WebRtc_Word32 => int32_t for rtp_rtcp/

BUG=314

Review URL: https://webrtc-codereview.appspot.com/1279007

git-svn-id: http://webrtc.googlecode.com/svn/trunk@3777 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/webrtc/modules/rtp_rtcp/interface/rtp_rtcp.h b/webrtc/modules/rtp_rtcp/interface/rtp_rtcp.h
index 648b1b0..3855204 100644
--- a/webrtc/modules/rtp_rtcp/interface/rtp_rtcp.h
+++ b/webrtc/modules/rtp_rtcp/interface/rtp_rtcp.h
@@ -89,9 +89,9 @@
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 SetPacketTimeout(
-        const WebRtc_UWord32 RTPtimeoutMS,
-        const WebRtc_UWord32 RTCPtimeoutMS) = 0;
+    virtual int32_t SetPacketTimeout(
+        const uint32_t RTPtimeoutMS,
+        const uint32_t RTCPtimeoutMS) = 0;
 
     /*
     *   Set periodic dead or alive notification
@@ -102,9 +102,9 @@
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 SetPeriodicDeadOrAliveStatus(
+    virtual int32_t SetPeriodicDeadOrAliveStatus(
         const bool enable,
-        const WebRtc_UWord8 sampleTimeSeconds) = 0;
+        const uint8_t sampleTimeSeconds) = 0;
 
     /*
     *   Get periodic dead or alive notification status
@@ -115,16 +115,16 @@
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 PeriodicDeadOrAliveStatus(
+    virtual int32_t PeriodicDeadOrAliveStatus(
         bool& enable,
-        WebRtc_UWord8& sampleTimeSeconds) = 0;
+        uint8_t& sampleTimeSeconds) = 0;
 
     /*
     *   set voice codec name and payload type
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 RegisterReceivePayload(
+    virtual int32_t RegisterReceivePayload(
         const CodecInst& voiceCodec) = 0;
 
     /*
@@ -132,7 +132,7 @@
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 RegisterReceivePayload(
+    virtual int32_t RegisterReceivePayload(
         const VideoCodec& videoCodec) = 0;
 
     /*
@@ -140,18 +140,18 @@
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 ReceivePayloadType(
+    virtual int32_t ReceivePayloadType(
         const CodecInst& voiceCodec,
-        WebRtc_Word8* plType) = 0;
+        int8_t* plType) = 0;
 
     /*
     *   get payload type for a video codec
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 ReceivePayloadType(
+    virtual int32_t ReceivePayloadType(
         const VideoCodec& videoCodec,
-        WebRtc_Word8* plType) = 0;
+        int8_t* plType) = 0;
 
     /*
     *   Remove a registered payload type from list of accepted payloads
@@ -160,25 +160,25 @@
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 DeRegisterReceivePayload(
-        const WebRtc_Word8 payloadType) = 0;
+    virtual int32_t DeRegisterReceivePayload(
+        const int8_t payloadType) = 0;
 
    /*
     *   (De)register RTP header extension type and id.
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 RegisterReceiveRtpHeaderExtension(
+    virtual int32_t RegisterReceiveRtpHeaderExtension(
         const RTPExtensionType type,
-        const WebRtc_UWord8 id) = 0;
+        const uint8_t id) = 0;
 
-    virtual WebRtc_Word32 DeregisterReceiveRtpHeaderExtension(
+    virtual int32_t DeregisterReceiveRtpHeaderExtension(
         const RTPExtensionType type) = 0;
 
     /*
     *   Get last received remote timestamp
     */
-    virtual WebRtc_UWord32 RemoteTimestamp() const = 0;
+    virtual uint32_t RemoteTimestamp() const = 0;
 
     /*
     *   Get the local time of the last received remote timestamp
@@ -192,13 +192,13 @@
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 EstimatedRemoteTimeStamp(
-        WebRtc_UWord32& timestamp) const = 0;
+    virtual int32_t EstimatedRemoteTimeStamp(
+        uint32_t& timestamp) const = 0;
 
     /*
     *   Get incoming SSRC
     */
-    virtual WebRtc_UWord32 RemoteSSRC() const = 0;
+    virtual uint32_t RemoteSSRC() const = 0;
 
     /*
     *   Get remote CSRC
@@ -207,8 +207,8 @@
     *
     *   return -1 on failure else the number of valid entries in the list
     */
-    virtual WebRtc_Word32 RemoteCSRCs(
-        WebRtc_UWord32 arrOfCSRC[kRtpCsrcSize]) const  = 0;
+    virtual int32_t RemoteCSRCs(
+        uint32_t arrOfCSRC[kRtpCsrcSize]) const  = 0;
 
     /*
     *   get the currently configured SSRC filter
@@ -217,7 +217,7 @@
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 SSRCFilter(WebRtc_UWord32& allowedSSRC) const = 0;
+    virtual int32_t SSRCFilter(uint32_t& allowedSSRC) const = 0;
 
     /*
     *   set a SSRC to be used as a filter for incoming RTP streams
@@ -226,20 +226,20 @@
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 SetSSRCFilter(const bool enable,
-                                        const WebRtc_UWord32 allowedSSRC) = 0;
+    virtual int32_t SetSSRCFilter(const bool enable,
+                                  const uint32_t allowedSSRC) = 0;
 
     /*
     * Turn on/off receiving RTX (RFC 4588) on a specific SSRC.
     */
-    virtual WebRtc_Word32 SetRTXReceiveStatus(const bool enable,
-                                              const WebRtc_UWord32 SSRC) = 0;
+    virtual int32_t SetRTXReceiveStatus(const bool enable,
+                                        const uint32_t SSRC) = 0;
 
     /*
     * Get status of receiving RTX (RFC 4588) on a specific SSRC.
     */
-    virtual WebRtc_Word32 RTXReceiveStatus(bool* enable,
-                                           WebRtc_UWord32* SSRC) const = 0;
+    virtual int32_t RTXReceiveStatus(bool* enable,
+                                     uint32_t* SSRC) const = 0;
 
     /*
     *   called by the network module when we receive a packet
@@ -249,8 +249,8 @@
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 IncomingPacket(const WebRtc_UWord8* incomingPacket,
-                                         const WebRtc_UWord16 packetLength) = 0;
+    virtual int32_t IncomingPacket(const uint8_t* incomingPacket,
+                                   const uint16_t packetLength) = 0;
 
     /**************************************************************************
     *
@@ -265,7 +265,7 @@
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 SetMaxTransferUnit(const WebRtc_UWord16 size) = 0;
+    virtual int32_t SetMaxTransferUnit(const uint16_t size) = 0;
 
     /*
     *   set transtport overhead
@@ -278,10 +278,10 @@
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 SetTransportOverhead(
+    virtual int32_t SetTransportOverhead(
         const bool TCP,
         const bool IPV6,
-        const WebRtc_UWord8 authenticationOverhead = 0) = 0;
+        const uint8_t authenticationOverhead = 0) = 0;
 
     /*
     *   Get max payload length
@@ -291,7 +291,7 @@
     *   Does not account FEC/ULP/RED overhead if FEC is enabled.
     *   Does not account for RTP headers
     */
-    virtual WebRtc_UWord16 MaxPayloadLength() const = 0;
+    virtual uint16_t MaxPayloadLength() const = 0;
 
     /*
     *   Get max data payload length
@@ -301,14 +301,14 @@
     *   Takes into account FEC/ULP/RED overhead if FEC is enabled.
     *   Takes into account RTP headers
     */
-    virtual WebRtc_UWord16 MaxDataPayloadLength() const = 0;
+    virtual uint16_t MaxDataPayloadLength() const = 0;
 
     /*
     *   set codec name and payload type
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 RegisterSendPayload(
+    virtual int32_t RegisterSendPayload(
         const CodecInst& voiceCodec) = 0;
 
     /*
@@ -316,7 +316,7 @@
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 RegisterSendPayload(
+    virtual int32_t RegisterSendPayload(
         const VideoCodec& videoCodec) = 0;
 
     /*
@@ -326,25 +326,25 @@
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 DeRegisterSendPayload(
-        const WebRtc_Word8 payloadType) = 0;
+    virtual int32_t DeRegisterSendPayload(
+        const int8_t payloadType) = 0;
 
    /*
     *   (De)register RTP header extension type and id.
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 RegisterSendRtpHeaderExtension(
+    virtual int32_t RegisterSendRtpHeaderExtension(
         const RTPExtensionType type,
-        const WebRtc_UWord8 id) = 0;
+        const uint8_t id) = 0;
 
-    virtual WebRtc_Word32 DeregisterSendRtpHeaderExtension(
+    virtual int32_t DeregisterSendRtpHeaderExtension(
         const RTPExtensionType type) = 0;
 
     /*
     *   get start timestamp
     */
-    virtual WebRtc_UWord32 StartTimestamp() const = 0;
+    virtual uint32_t StartTimestamp() const = 0;
 
     /*
     *   configure start timestamp, default is a random number
@@ -353,32 +353,32 @@
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 SetStartTimestamp(
-        const WebRtc_UWord32 timestamp) = 0;
+    virtual int32_t SetStartTimestamp(
+        const uint32_t timestamp) = 0;
 
     /*
     *   Get SequenceNumber
     */
-    virtual WebRtc_UWord16 SequenceNumber() const = 0;
+    virtual uint16_t SequenceNumber() const = 0;
 
     /*
     *   Set SequenceNumber, default is a random number
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 SetSequenceNumber(const WebRtc_UWord16 seq) = 0;
+    virtual int32_t SetSequenceNumber(const uint16_t seq) = 0;
 
     /*
     *   Get SSRC
     */
-    virtual WebRtc_UWord32 SSRC() const = 0;
+    virtual uint32_t SSRC() const = 0;
 
     /*
     *   configure SSRC, default is a random number
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 SetSSRC(const WebRtc_UWord32 ssrc) = 0;
+    virtual int32_t SetSSRC(const uint32_t ssrc) = 0;
 
     /*
     *   Get CSRC
@@ -387,8 +387,8 @@
     *
     *   return -1 on failure else number of valid entries in the array
     */
-    virtual WebRtc_Word32 CSRCs(
-        WebRtc_UWord32 arrOfCSRC[kRtpCsrcSize]) const = 0;
+    virtual int32_t CSRCs(
+        uint32_t arrOfCSRC[kRtpCsrcSize]) const = 0;
 
     /*
     *   Set CSRC
@@ -398,9 +398,9 @@
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 SetCSRCs(
-        const WebRtc_UWord32 arrOfCSRC[kRtpCsrcSize],
-        const WebRtc_UWord8 arrLength) = 0;
+    virtual int32_t SetCSRCs(
+        const uint32_t arrOfCSRC[kRtpCsrcSize],
+        const uint8_t arrLength) = 0;
 
     /*
     *   includes CSRCs in RTP header if enabled
@@ -411,20 +411,20 @@
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 SetCSRCStatus(const bool include) = 0;
+    virtual int32_t SetCSRCStatus(const bool include) = 0;
 
     /*
     * Turn on/off sending RTX (RFC 4588) on a specific SSRC.
     */
-    virtual WebRtc_Word32 SetRTXSendStatus(const RtxMode mode,
-                                           const bool setSSRC,
-                                           const WebRtc_UWord32 SSRC) = 0;
+    virtual int32_t SetRTXSendStatus(const RtxMode mode,
+                                     const bool setSSRC,
+                                     const uint32_t SSRC) = 0;
 
     /*
     * Get status of sending RTX (RFC 4588) on a specific SSRC.
     */
-    virtual WebRtc_Word32 RTXSendStatus(RtxMode* mode,
-                                        WebRtc_UWord32* SSRC) const = 0;
+    virtual int32_t RTXSendStatus(RtxMode* mode,
+                                  uint32_t* SSRC) const = 0;
 
     /*
     *   sends kRtcpByeCode when going from true to false
@@ -433,7 +433,7 @@
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 SetSendingStatus(const bool sending) = 0;
+    virtual int32_t SetSendingStatus(const bool sending) = 0;
 
     /*
     *   get send status
@@ -447,7 +447,7 @@
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 SetSendingMediaStatus(const bool sending) = 0;
+    virtual int32_t SetSendingMediaStatus(const bool sending) = 0;
 
     /*
     *   get send status
@@ -457,10 +457,10 @@
     /*
     *   get sent bitrate in Kbit/s
     */
-    virtual void BitrateSent(WebRtc_UWord32* totalRate,
-                             WebRtc_UWord32* videoRate,
-                             WebRtc_UWord32* fecRate,
-                             WebRtc_UWord32* nackRate) const = 0;
+    virtual void BitrateSent(uint32_t* totalRate,
+                             uint32_t* videoRate,
+                             uint32_t* fecRate,
+                             uint32_t* nackRate) const = 0;
 
     /*
     *   Used by the codec module to deliver a video or audio frame for
@@ -476,13 +476,13 @@
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 SendOutgoingData(
+    virtual int32_t SendOutgoingData(
         const FrameType frameType,
-        const WebRtc_Word8 payloadType,
-        const WebRtc_UWord32 timeStamp,
+        const int8_t payloadType,
+        const uint32_t timeStamp,
         int64_t capture_time_ms,
-        const WebRtc_UWord8* payloadData,
-        const WebRtc_UWord32 payloadSize,
+        const uint8_t* payloadData,
+        const uint32_t payloadSize,
         const RTPFragmentationHeader* fragmentation = NULL,
         const RTPVideoHeader* rtpVideoHdr = NULL) = 0;
 
@@ -507,29 +507,29 @@
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 SetRTCPStatus(const RTCPMethod method) = 0;
+    virtual int32_t SetRTCPStatus(const RTCPMethod method) = 0;
 
     /*
     *   Set RTCP CName (i.e unique identifier)
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 SetCNAME(const char cName[RTCP_CNAME_SIZE]) = 0;
+    virtual int32_t SetCNAME(const char cName[RTCP_CNAME_SIZE]) = 0;
 
     /*
     *   Get RTCP CName (i.e unique identifier)
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 CNAME(char cName[RTCP_CNAME_SIZE]) = 0;
+    virtual int32_t CNAME(char cName[RTCP_CNAME_SIZE]) = 0;
 
     /*
     *   Get remote CName
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 RemoteCNAME(
-        const WebRtc_UWord32 remoteSSRC,
+    virtual int32_t RemoteCNAME(
+        const uint32_t remoteSSRC,
         char cName[RTCP_CNAME_SIZE]) const = 0;
 
     /*
@@ -537,20 +537,20 @@
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 RemoteNTP(
-        WebRtc_UWord32 *ReceivedNTPsecs,
-        WebRtc_UWord32 *ReceivedNTPfrac,
-        WebRtc_UWord32 *RTCPArrivalTimeSecs,
-        WebRtc_UWord32 *RTCPArrivalTimeFrac,
-        WebRtc_UWord32 *rtcp_timestamp) const  = 0;
+    virtual int32_t RemoteNTP(
+        uint32_t *ReceivedNTPsecs,
+        uint32_t *ReceivedNTPfrac,
+        uint32_t *RTCPArrivalTimeSecs,
+        uint32_t *RTCPArrivalTimeFrac,
+        uint32_t *rtcp_timestamp) const  = 0;
 
     /*
     *   AddMixedCNAME
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 AddMixedCNAME(
-        const WebRtc_UWord32 SSRC,
+    virtual int32_t AddMixedCNAME(
+        const uint32_t SSRC,
         const char cName[RTCP_CNAME_SIZE]) = 0;
 
     /*
@@ -558,25 +558,25 @@
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 RemoveMixedCNAME(const WebRtc_UWord32 SSRC) = 0;
+    virtual int32_t RemoveMixedCNAME(const uint32_t SSRC) = 0;
 
     /*
     *   Get RoundTripTime
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 RTT(const WebRtc_UWord32 remoteSSRC,
-                              WebRtc_UWord16* RTT,
-                              WebRtc_UWord16* avgRTT,
-                              WebRtc_UWord16* minRTT,
-                              WebRtc_UWord16* maxRTT) const = 0 ;
+    virtual int32_t RTT(const uint32_t remoteSSRC,
+                        uint16_t* RTT,
+                        uint16_t* avgRTT,
+                        uint16_t* minRTT,
+                        uint16_t* maxRTT) const = 0 ;
 
     /*
     *   Reset RoundTripTime statistics
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 ResetRTT(const WebRtc_UWord32 remoteSSRC)= 0 ;
+    virtual int32_t ResetRTT(const uint32_t remoteSSRC)= 0 ;
 
     /*
      * Sets the estimated RTT, to be used for receive only modules without
@@ -590,86 +590,86 @@
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 SendRTCP(
-        WebRtc_UWord32 rtcpPacketType = kRtcpReport) = 0;
+    virtual int32_t SendRTCP(
+        uint32_t rtcpPacketType = kRtcpReport) = 0;
 
     /*
     *    Good state of RTP receiver inform sender
     */
-    virtual WebRtc_Word32 SendRTCPReferencePictureSelection(
-        const WebRtc_UWord64 pictureID) = 0;
+    virtual int32_t SendRTCPReferencePictureSelection(
+        const uint64_t pictureID) = 0;
 
     /*
     *    Send a RTCP Slice Loss Indication (SLI)
     *    6 least significant bits of pictureID
     */
-    virtual WebRtc_Word32 SendRTCPSliceLossIndication(
-        const WebRtc_UWord8 pictureID) = 0;
+    virtual int32_t SendRTCPSliceLossIndication(
+        const uint8_t pictureID) = 0;
 
     /*
     *   Reset RTP statistics
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 ResetStatisticsRTP() = 0;
+    virtual int32_t ResetStatisticsRTP() = 0;
 
     /*
     *   statistics of our localy created statistics of the received RTP stream
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 StatisticsRTP(
-        WebRtc_UWord8* fraction_lost,  // scale 0 to 255
-        WebRtc_UWord32* cum_lost,      // number of lost packets
-        WebRtc_UWord32* ext_max,       // highest sequence number received
-        WebRtc_UWord32* jitter,
-        WebRtc_UWord32* max_jitter = NULL) const = 0;
+    virtual int32_t StatisticsRTP(
+        uint8_t* fraction_lost,  // scale 0 to 255
+        uint32_t* cum_lost,      // number of lost packets
+        uint32_t* ext_max,       // highest sequence number received
+        uint32_t* jitter,
+        uint32_t* max_jitter = NULL) const = 0;
 
     /*
     *   Reset RTP data counters for the receiving side
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 ResetReceiveDataCountersRTP() = 0;
+    virtual int32_t ResetReceiveDataCountersRTP() = 0;
 
     /*
     *   Reset RTP data counters for the sending side
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 ResetSendDataCountersRTP() = 0;
+    virtual int32_t ResetSendDataCountersRTP() = 0;
 
     /*
     *   statistics of the amount of data sent and received
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 DataCountersRTP(
-        WebRtc_UWord32* bytesSent,
-        WebRtc_UWord32* packetsSent,
-        WebRtc_UWord32* bytesReceived,
-        WebRtc_UWord32* packetsReceived) const = 0;
+    virtual int32_t DataCountersRTP(
+        uint32_t* bytesSent,
+        uint32_t* packetsSent,
+        uint32_t* bytesReceived,
+        uint32_t* packetsReceived) const = 0;
     /*
     *   Get received RTCP sender info
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 RemoteRTCPStat(RTCPSenderInfo* senderInfo) = 0;
+    virtual int32_t RemoteRTCPStat(RTCPSenderInfo* senderInfo) = 0;
 
     /*
     *   Get received RTCP report block
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 RemoteRTCPStat(
+    virtual int32_t RemoteRTCPStat(
         std::vector<RTCPReportBlock>* receiveBlocks) const = 0;
     /*
     *   Set received RTCP report block
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 AddRTCPReportBlock(
-        const WebRtc_UWord32 SSRC,
+    virtual int32_t AddRTCPReportBlock(
+        const uint32_t SSRC,
         const RTCPReportBlock* receiveBlock) = 0;
 
     /*
@@ -677,24 +677,24 @@
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 RemoveRTCPReportBlock(const WebRtc_UWord32 SSRC) = 0;
+    virtual int32_t RemoveRTCPReportBlock(const uint32_t SSRC) = 0;
 
     /*
     *   (APP) Application specific data
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 SetRTCPApplicationSpecificData(
-        const WebRtc_UWord8 subType,
-        const WebRtc_UWord32 name,
-        const WebRtc_UWord8* data,
-        const WebRtc_UWord16 length) = 0;
+    virtual int32_t SetRTCPApplicationSpecificData(
+        const uint8_t subType,
+        const uint32_t name,
+        const uint8_t* data,
+        const uint16_t length) = 0;
     /*
     *   (XR) VOIP metric
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 SetRTCPVoIPMetrics(
+    virtual int32_t SetRTCPVoIPMetrics(
         const RTCPVoIPMetric* VoIPMetric) = 0;
 
     /*
@@ -702,18 +702,18 @@
     */
     virtual bool REMB() const = 0;
 
-    virtual WebRtc_Word32 SetREMBStatus(const bool enable) = 0;
+    virtual int32_t SetREMBStatus(const bool enable) = 0;
 
-    virtual WebRtc_Word32 SetREMBData(const WebRtc_UWord32 bitrate,
-                                      const WebRtc_UWord8 numberOfSSRC,
-                                      const WebRtc_UWord32* SSRC) = 0;
+    virtual int32_t SetREMBData(const uint32_t bitrate,
+                                const uint8_t numberOfSSRC,
+                                const uint32_t* SSRC) = 0;
 
     /*
     *   (IJ) Extended jitter report.
     */
     virtual bool IJ() const = 0;
 
-    virtual WebRtc_Word32 SetIJStatus(const bool enable) = 0;
+    virtual int32_t SetIJStatus(const bool enable) = 0;
 
     /*
     *   (TMMBR) Temporary Max Media Bit Rate
@@ -724,7 +724,7 @@
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 SetTMMBRStatus(const bool enable) = 0;
+    virtual int32_t SetTMMBRStatus(const bool enable) = 0;
 
     /*
     *   (NACK)
@@ -739,8 +739,8 @@
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 SetNACKStatus(const NACKMethod method,
-                                        int max_reordering_threshold) = 0;
+    virtual int32_t SetNACKStatus(const NACKMethod method,
+                                  int max_reordering_threshold) = 0;
 
     /*
      *  TODO(holmer): Propagate this API to VideoEngine.
@@ -767,8 +767,8 @@
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 SendNACK(const WebRtc_UWord16* nackList,
-                                   const WebRtc_UWord16 size) = 0;
+    virtual int32_t SendNACK(const uint16_t* nackList,
+                             const uint16_t size) = 0;
 
     /*
     *   Store the sent packets, needed to answer to a Negative acknowledgement
@@ -776,9 +776,9 @@
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 SetStorePacketsStatus(
+    virtual int32_t SetStorePacketsStatus(
         const bool enable,
-        const WebRtc_UWord16 numberToStore) = 0;
+        const uint16_t numberToStore) = 0;
 
     /**************************************************************************
     *
@@ -792,8 +792,8 @@
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 SetAudioPacketSize(
-        const WebRtc_UWord16 packetSizeSamples) = 0;
+    virtual int32_t SetAudioPacketSize(
+        const uint16_t packetSizeSamples) = 0;
 
     /*
     *   Forward DTMF to decoder for playout.
@@ -816,33 +816,33 @@
     *   by the microphone and send inband just after the tone has ended.
     */
     virtual bool SendTelephoneEventActive(
-        WebRtc_Word8& telephoneEvent) const = 0;
+        int8_t& telephoneEvent) const = 0;
 
     /*
     *   Send a TelephoneEvent tone using RFC 2833 (4733)
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 SendTelephoneEventOutband(
-        const WebRtc_UWord8 key,
-        const WebRtc_UWord16 time_ms,
-        const WebRtc_UWord8 level) = 0;
+    virtual int32_t SendTelephoneEventOutband(
+        const uint8_t key,
+        const uint16_t time_ms,
+        const uint8_t level) = 0;
 
     /*
     *   Set payload type for Redundant Audio Data RFC 2198
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 SetSendREDPayloadType(
-        const WebRtc_Word8 payloadType) = 0;
+    virtual int32_t SetSendREDPayloadType(
+        const int8_t payloadType) = 0;
 
     /*
     *   Get payload type for Redundant Audio Data RFC 2198
     *
     *   return -1 on failure else 0
     */
-     virtual WebRtc_Word32 SendREDPayloadType(
-         WebRtc_Word8& payloadType) const = 0;
+     virtual int32_t SendREDPayloadType(
+         int8_t& payloadType) const = 0;
 
      /*
      * Set status and ID for header-extension-for-audio-level-indication.
@@ -850,18 +850,18 @@
      *
      * return -1 on failure else 0
      */
-     virtual WebRtc_Word32 SetRTPAudioLevelIndicationStatus(
+     virtual int32_t SetRTPAudioLevelIndicationStatus(
          const bool enable,
-         const WebRtc_UWord8 ID) = 0;
+         const uint8_t ID) = 0;
 
      /*
      * Get status and ID for header-extension-for-audio-level-indication.
      *
      * return -1 on failure else 0
      */
-     virtual WebRtc_Word32 GetRTPAudioLevelIndicationStatus(
+     virtual int32_t GetRTPAudioLevelIndicationStatus(
          bool& enable,
-         WebRtc_UWord8& ID) const = 0;
+         uint8_t& ID) const = 0;
 
      /*
      * Store the audio level in dBov for header-extension-for-audio-level-
@@ -871,7 +871,7 @@
      *
      * return -1 on failure else 0.
      */
-     virtual WebRtc_Word32 SetAudioLevel(const WebRtc_UWord8 level_dBov) = 0;
+     virtual int32_t SetAudioLevel(const uint8_t level_dBov) = 0;
 
     /**************************************************************************
     *
@@ -884,34 +884,34 @@
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 SetCameraDelay(const WebRtc_Word32 delayMS) = 0;
+    virtual int32_t SetCameraDelay(const int32_t delayMS) = 0;
 
     /*
     *   Set the target send bitrate
     */
-    virtual void SetTargetSendBitrate(const WebRtc_UWord32 bitrate) = 0;
+    virtual void SetTargetSendBitrate(const uint32_t bitrate) = 0;
 
     /*
     *   Turn on/off generic FEC
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 SetGenericFECStatus(
+    virtual int32_t SetGenericFECStatus(
         const bool enable,
-        const WebRtc_UWord8 payloadTypeRED,
-        const WebRtc_UWord8 payloadTypeFEC) = 0;
+        const uint8_t payloadTypeRED,
+        const uint8_t payloadTypeFEC) = 0;
 
     /*
     *   Get generic FEC setting
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 GenericFECStatus(bool& enable,
-                                           WebRtc_UWord8& payloadTypeRED,
-                                           WebRtc_UWord8& payloadTypeFEC) = 0;
+    virtual int32_t GenericFECStatus(bool& enable,
+                                     uint8_t& payloadTypeRED,
+                                     uint8_t& payloadTypeFEC) = 0;
 
 
-    virtual WebRtc_Word32 SetFecParameters(
+    virtual int32_t SetFecParameters(
         const FecProtectionParams* delta_params,
         const FecProtectionParams* key_params) = 0;
 
@@ -920,7 +920,7 @@
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 SetKeyFrameRequestMethod(
+    virtual int32_t SetKeyFrameRequestMethod(
         const KeyFrameRequestMethod method) = 0;
 
     /*
@@ -928,7 +928,7 @@
     *
     *   return -1 on failure else 0
     */
-    virtual WebRtc_Word32 RequestKeyFrame() = 0;
+    virtual int32_t RequestKeyFrame() = 0;
 };
 } // namespace webrtc
 #endif // WEBRTC_MODULES_RTP_RTCP_INTERFACE_RTP_RTCP_H_
diff --git a/webrtc/modules/rtp_rtcp/interface/rtp_rtcp_defines.h b/webrtc/modules/rtp_rtcp/interface/rtp_rtcp_defines.h
index f0ef84f..616e534 100644
--- a/webrtc/modules/rtp_rtcp/interface/rtp_rtcp_defines.h
+++ b/webrtc/modules/rtp_rtcp/interface/rtp_rtcp_defines.h
@@ -26,7 +26,7 @@
 
 namespace webrtc{
 
-const WebRtc_Word32 kDefaultVideoFrequency = 90000;
+const int32_t kDefaultVideoFrequency = 90000;
 
 enum RTCPMethod
 {
@@ -115,32 +115,32 @@
 
 struct RTCPSenderInfo
 {
-    WebRtc_UWord32 NTPseconds;
-    WebRtc_UWord32 NTPfraction;
-    WebRtc_UWord32 RTPtimeStamp;
-    WebRtc_UWord32 sendPacketCount;
-    WebRtc_UWord32 sendOctetCount;
+    uint32_t NTPseconds;
+    uint32_t NTPfraction;
+    uint32_t RTPtimeStamp;
+    uint32_t sendPacketCount;
+    uint32_t sendOctetCount;
 };
 
 struct RTCPReportBlock
 {
   // Fields as described by RFC 3550 6.4.2.
-    WebRtc_UWord32 remoteSSRC;  // SSRC of sender of this report.
-    WebRtc_UWord32 sourceSSRC;  // SSRC of the RTP packet sender.
-    WebRtc_UWord8 fractionLost;
-    WebRtc_UWord32 cumulativeLost;  // 24 bits valid
-    WebRtc_UWord32 extendedHighSeqNum;
-    WebRtc_UWord32 jitter;
-    WebRtc_UWord32 lastSR;
-    WebRtc_UWord32 delaySinceLastSR;
+    uint32_t remoteSSRC;  // SSRC of sender of this report.
+    uint32_t sourceSSRC;  // SSRC of the RTP packet sender.
+    uint8_t fractionLost;
+    uint32_t cumulativeLost;  // 24 bits valid
+    uint32_t extendedHighSeqNum;
+    uint32_t jitter;
+    uint32_t lastSR;
+    uint32_t delaySinceLastSR;
 };
 
 class RtpData
 {
 public:
-    virtual WebRtc_Word32 OnReceivedPayloadData(
-        const WebRtc_UWord8* payloadData,
-        const WebRtc_UWord16 payloadSize,
+    virtual int32_t OnReceivedPayloadData(
+        const uint8_t* payloadData,
+        const uint16_t payloadSize,
         const WebRtcRTPHeader* rtpHeader) = 0;
 protected:
     virtual ~RtpData() {}
@@ -149,29 +149,29 @@
 class RtcpFeedback
 {
 public:
-    virtual void OnApplicationDataReceived(const WebRtc_Word32 /*id*/,
-                                           const WebRtc_UWord8 /*subType*/,
-                                           const WebRtc_UWord32 /*name*/,
-                                           const WebRtc_UWord16 /*length*/,
-                                           const WebRtc_UWord8* /*data*/)  {};
+    virtual void OnApplicationDataReceived(const int32_t /*id*/,
+                                           const uint8_t /*subType*/,
+                                           const uint32_t /*name*/,
+                                           const uint16_t /*length*/,
+                                           const uint8_t* /*data*/)  {};
 
     virtual void OnXRVoIPMetricReceived(
-        const WebRtc_Word32 /*id*/,
+        const int32_t /*id*/,
         const RTCPVoIPMetric* /*metric*/)  {};
 
-    virtual void OnRTCPPacketTimeout(const WebRtc_Word32 /*id*/)  {};
+    virtual void OnRTCPPacketTimeout(const int32_t /*id*/)  {};
 
     // |ntp_secs|, |ntp_frac| and |timestamp| are the NTP time and RTP timestamp
     // parsed from the RTCP sender report from the sender with ssrc
     // |senderSSRC|.
-    virtual void OnSendReportReceived(const WebRtc_Word32 id,
-                                      const WebRtc_UWord32 senderSSRC,
+    virtual void OnSendReportReceived(const int32_t id,
+                                      const uint32_t senderSSRC,
                                       uint32_t ntp_secs,
                                       uint32_t ntp_frac,
                                       uint32_t timestamp)  {};
 
-    virtual void OnReceiveReportReceived(const WebRtc_Word32 id,
-                                         const WebRtc_UWord32 senderSSRC)  {};
+    virtual void OnReceiveReportReceived(const int32_t id,
+                                         const uint32_t senderSSRC)  {};
 
 protected:
     virtual ~RtcpFeedback() {}
@@ -184,27 +184,27 @@
     /*
     *   channels    - number of channels in codec (1 = mono, 2 = stereo)
     */
-    virtual WebRtc_Word32 OnInitializeDecoder(
-        const WebRtc_Word32 id,
-        const WebRtc_Word8 payloadType,
+    virtual int32_t OnInitializeDecoder(
+        const int32_t id,
+        const int8_t payloadType,
         const char payloadName[RTP_PAYLOAD_NAME_SIZE],
         const int frequency,
-        const WebRtc_UWord8 channels,
-        const WebRtc_UWord32 rate) = 0;
+        const uint8_t channels,
+        const uint32_t rate) = 0;
 
-    virtual void OnPacketTimeout(const WebRtc_Word32 id) = 0;
+    virtual void OnPacketTimeout(const int32_t id) = 0;
 
-    virtual void OnReceivedPacket(const WebRtc_Word32 id,
+    virtual void OnReceivedPacket(const int32_t id,
                                   const RtpRtcpPacketType packetType) = 0;
 
-    virtual void OnPeriodicDeadOrAlive(const WebRtc_Word32 id,
+    virtual void OnPeriodicDeadOrAlive(const int32_t id,
                                        const RTPAliveType alive) = 0;
 
-    virtual void OnIncomingSSRCChanged( const WebRtc_Word32 id,
-                                        const WebRtc_UWord32 SSRC) = 0;
+    virtual void OnIncomingSSRCChanged( const int32_t id,
+                                        const uint32_t SSRC) = 0;
 
-    virtual void OnIncomingCSRCChanged( const WebRtc_Word32 id,
-                                        const WebRtc_UWord32 CSRC,
+    virtual void OnIncomingCSRCChanged( const int32_t id,
+                                        const uint32_t CSRC,
                                         const bool added) = 0;
 
 protected:
@@ -214,10 +214,10 @@
 class RtpAudioFeedback {
  public:
 
-  virtual void OnPlayTelephoneEvent(const WebRtc_Word32 id,
-                                    const WebRtc_UWord8 event,
-                                    const WebRtc_UWord16 lengthMs,
-                                    const WebRtc_UWord8 volume) = 0;
+  virtual void OnPlayTelephoneEvent(const int32_t id,
+                                    const uint8_t event,
+                                    const uint16_t lengthMs,
+                                    const uint8_t volume) = 0;
  protected:
   virtual ~RtpAudioFeedback() {}
 };
@@ -264,29 +264,29 @@
  public:
   virtual ~NullRtpFeedback() {}
 
-  virtual WebRtc_Word32 OnInitializeDecoder(
-      const WebRtc_Word32 id,
-      const WebRtc_Word8 payloadType,
+  virtual int32_t OnInitializeDecoder(
+      const int32_t id,
+      const int8_t payloadType,
       const char payloadName[RTP_PAYLOAD_NAME_SIZE],
       const int frequency,
-      const WebRtc_UWord8 channels,
-      const WebRtc_UWord32 rate) {
+      const uint8_t channels,
+      const uint32_t rate) {
    return 0;
  }
 
- virtual void OnPacketTimeout(const WebRtc_Word32 id) {}
+ virtual void OnPacketTimeout(const int32_t id) {}
 
- virtual void OnReceivedPacket(const WebRtc_Word32 id,
+ virtual void OnReceivedPacket(const int32_t id,
                                const RtpRtcpPacketType packetType) {}
 
- virtual void OnPeriodicDeadOrAlive(const WebRtc_Word32 id,
+ virtual void OnPeriodicDeadOrAlive(const int32_t id,
                                     const RTPAliveType alive) {}
 
- virtual void OnIncomingSSRCChanged(const WebRtc_Word32 id,
-                                    const WebRtc_UWord32 SSRC) {}
+ virtual void OnIncomingSSRCChanged(const int32_t id,
+                                    const uint32_t SSRC) {}
 
- virtual void OnIncomingCSRCChanged(const WebRtc_Word32 id,
-                                    const WebRtc_UWord32 CSRC,
+ virtual void OnIncomingCSRCChanged(const int32_t id,
+                                    const uint32_t CSRC,
                                     const bool added) {}
 };
 
@@ -294,9 +294,9 @@
 class NullRtpData : public RtpData {
  public:
   virtual ~NullRtpData() {}
-  virtual WebRtc_Word32 OnReceivedPayloadData(
-      const WebRtc_UWord8* payloadData,
-      const WebRtc_UWord16 payloadSize,
+  virtual int32_t OnReceivedPayloadData(
+      const uint8_t* payloadData,
+      const uint16_t payloadSize,
       const WebRtcRTPHeader* rtpHeader) {
    return 0;
  }
@@ -307,10 +307,10 @@
  public:
   virtual ~NullRtpAudioFeedback() {}
 
-  virtual void OnPlayTelephoneEvent(const WebRtc_Word32 id,
-                                    const WebRtc_UWord8 event,
-                                    const WebRtc_UWord16 lengthMs,
-                                    const WebRtc_UWord8 volume) {}
+  virtual void OnPlayTelephoneEvent(const int32_t id,
+                                    const uint8_t event,
+                                    const uint16_t lengthMs,
+                                    const uint8_t volume) {}
 };
 
 } // namespace webrtc
diff --git a/webrtc/modules/rtp_rtcp/mocks/mock_rtp_rtcp.h b/webrtc/modules/rtp_rtcp/mocks/mock_rtp_rtcp.h
index 53670f9..76cc316 100644
--- a/webrtc/modules/rtp_rtcp/mocks/mock_rtp_rtcp.h
+++ b/webrtc/modules/rtp_rtcp/mocks/mock_rtp_rtcp.h
@@ -22,137 +22,137 @@
 class MockRtpRtcp : public RtpRtcp {
  public:
   MOCK_METHOD1(ChangeUniqueId,
-      WebRtc_Word32(const WebRtc_Word32 id));
+      int32_t(const int32_t id));
   MOCK_METHOD1(RegisterDefaultModule,
-      WebRtc_Word32(RtpRtcp* module));
+      int32_t(RtpRtcp* module));
   MOCK_METHOD0(DeRegisterDefaultModule,
-      WebRtc_Word32());
+      int32_t());
   MOCK_METHOD0(DefaultModuleRegistered,
       bool());
   MOCK_METHOD0(NumberChildModules,
-      WebRtc_UWord32());
+      uint32_t());
   MOCK_METHOD1(RegisterSyncModule,
-      WebRtc_Word32(RtpRtcp* module));
+      int32_t(RtpRtcp* module));
   MOCK_METHOD0(DeRegisterSyncModule,
-      WebRtc_Word32());
+      int32_t());
   MOCK_METHOD0(InitReceiver,
-      WebRtc_Word32());
+      int32_t());
   MOCK_METHOD1(RegisterIncomingDataCallback,
-      WebRtc_Word32(RtpData* incomingDataCallback));
+      int32_t(RtpData* incomingDataCallback));
   MOCK_METHOD1(RegisterIncomingRTPCallback,
-      WebRtc_Word32(RtpFeedback* incomingMessagesCallback));
+      int32_t(RtpFeedback* incomingMessagesCallback));
   MOCK_METHOD2(SetPacketTimeout,
-      WebRtc_Word32(const WebRtc_UWord32 RTPtimeoutMS, const WebRtc_UWord32 RTCPtimeoutMS));
+      int32_t(const uint32_t RTPtimeoutMS, const uint32_t RTCPtimeoutMS));
   MOCK_METHOD2(SetPeriodicDeadOrAliveStatus,
-      WebRtc_Word32(const bool enable, const WebRtc_UWord8 sampleTimeSeconds));
+      int32_t(const bool enable, const uint8_t sampleTimeSeconds));
   MOCK_METHOD2(PeriodicDeadOrAliveStatus,
-      WebRtc_Word32(bool &enable, WebRtc_UWord8 &sampleTimeSeconds));
+      int32_t(bool &enable, uint8_t &sampleTimeSeconds));
   MOCK_METHOD1(RegisterReceivePayload,
-      WebRtc_Word32(const CodecInst& voiceCodec));
+      int32_t(const CodecInst& voiceCodec));
   MOCK_METHOD1(RegisterReceivePayload,
-      WebRtc_Word32(const VideoCodec& videoCodec));
+      int32_t(const VideoCodec& videoCodec));
   MOCK_METHOD2(ReceivePayloadType,
-      WebRtc_Word32(const CodecInst& voiceCodec, WebRtc_Word8* plType));
+      int32_t(const CodecInst& voiceCodec, int8_t* plType));
   MOCK_METHOD2(ReceivePayloadType,
-      WebRtc_Word32(const VideoCodec& videoCodec, WebRtc_Word8* plType));
+      int32_t(const VideoCodec& videoCodec, int8_t* plType));
   MOCK_METHOD1(DeRegisterReceivePayload,
-      WebRtc_Word32(const WebRtc_Word8 payloadType));
+      int32_t(const int8_t payloadType));
   MOCK_METHOD2(RegisterReceiveRtpHeaderExtension,
-      WebRtc_Word32(const RTPExtensionType type, const WebRtc_UWord8 id));
+      int32_t(const RTPExtensionType type, const uint8_t id));
   MOCK_METHOD1(DeregisterReceiveRtpHeaderExtension,
-               WebRtc_Word32(const RTPExtensionType type));
+               int32_t(const RTPExtensionType type));
   MOCK_CONST_METHOD0(RemoteTimestamp,
-      WebRtc_UWord32());
+      uint32_t());
   MOCK_CONST_METHOD0(LocalTimeOfRemoteTimeStamp,
         int64_t());
   MOCK_CONST_METHOD1(EstimatedRemoteTimeStamp,
-      WebRtc_Word32(WebRtc_UWord32& timestamp));
+      int32_t(uint32_t& timestamp));
   MOCK_CONST_METHOD0(RemoteSSRC,
-      WebRtc_UWord32());
+      uint32_t());
   MOCK_CONST_METHOD1(RemoteCSRCs,
-      WebRtc_Word32(WebRtc_UWord32 arrOfCSRC[kRtpCsrcSize]));
+      int32_t(uint32_t arrOfCSRC[kRtpCsrcSize]));
   MOCK_CONST_METHOD1(SSRCFilter,
-      WebRtc_Word32(WebRtc_UWord32& allowedSSRC));
+      int32_t(uint32_t& allowedSSRC));
   MOCK_METHOD2(SetSSRCFilter,
-      WebRtc_Word32(const bool enable, const WebRtc_UWord32 allowedSSRC));
+      int32_t(const bool enable, const uint32_t allowedSSRC));
   MOCK_METHOD2(SetRTXReceiveStatus,
-      WebRtc_Word32(const bool enable, const WebRtc_UWord32 SSRC));
+      int32_t(const bool enable, const uint32_t SSRC));
   MOCK_CONST_METHOD2(RTXReceiveStatus,
-      WebRtc_Word32(bool* enable, WebRtc_UWord32* SSRC));
+      int32_t(bool* enable, uint32_t* SSRC));
   MOCK_METHOD2(IncomingPacket,
-      WebRtc_Word32(const WebRtc_UWord8* incomingPacket, const WebRtc_UWord16 packetLength));
+      int32_t(const uint8_t* incomingPacket, const uint16_t packetLength));
   MOCK_METHOD4(IncomingAudioNTP,
-      WebRtc_Word32(const WebRtc_UWord32 audioReceivedNTPsecs,
-                    const WebRtc_UWord32 audioReceivedNTPfrac,
-                    const WebRtc_UWord32 audioRTCPArrivalTimeSecs,
-                    const WebRtc_UWord32 audioRTCPArrivalTimeFrac));
+      int32_t(const uint32_t audioReceivedNTPsecs,
+              const uint32_t audioReceivedNTPfrac,
+              const uint32_t audioRTCPArrivalTimeSecs,
+              const uint32_t audioRTCPArrivalTimeFrac));
   MOCK_METHOD0(InitSender,
-      WebRtc_Word32());
+      int32_t());
   MOCK_METHOD1(RegisterSendTransport,
-      WebRtc_Word32(Transport* outgoingTransport));
+      int32_t(Transport* outgoingTransport));
   MOCK_METHOD1(SetMaxTransferUnit,
-      WebRtc_Word32(const WebRtc_UWord16 size));
+      int32_t(const uint16_t size));
   MOCK_METHOD3(SetTransportOverhead,
-      WebRtc_Word32(const bool TCP, const bool IPV6,
-                    const WebRtc_UWord8 authenticationOverhead));
+      int32_t(const bool TCP, const bool IPV6,
+              const uint8_t authenticationOverhead));
   MOCK_CONST_METHOD0(MaxPayloadLength,
-      WebRtc_UWord16());
+      uint16_t());
   MOCK_CONST_METHOD0(MaxDataPayloadLength,
-      WebRtc_UWord16());
+      uint16_t());
   MOCK_METHOD1(RegisterSendPayload,
-      WebRtc_Word32(const CodecInst& voiceCodec));
+      int32_t(const CodecInst& voiceCodec));
   MOCK_METHOD1(RegisterSendPayload,
-      WebRtc_Word32(const VideoCodec& videoCodec));
+      int32_t(const VideoCodec& videoCodec));
   MOCK_METHOD1(DeRegisterSendPayload,
-      WebRtc_Word32(const WebRtc_Word8 payloadType));
+      int32_t(const int8_t payloadType));
   MOCK_METHOD2(RegisterSendRtpHeaderExtension,
-      WebRtc_Word32(const RTPExtensionType type, const WebRtc_UWord8 id));
+      int32_t(const RTPExtensionType type, const uint8_t id));
   MOCK_METHOD1(DeregisterSendRtpHeaderExtension,
-      WebRtc_Word32(const RTPExtensionType type));
+      int32_t(const RTPExtensionType type));
   MOCK_CONST_METHOD0(StartTimestamp,
-      WebRtc_UWord32());
+      uint32_t());
   MOCK_METHOD1(SetStartTimestamp,
-      WebRtc_Word32(const WebRtc_UWord32 timestamp));
+      int32_t(const uint32_t timestamp));
   MOCK_CONST_METHOD0(SequenceNumber,
-      WebRtc_UWord16());
+      uint16_t());
   MOCK_METHOD1(SetSequenceNumber,
-      WebRtc_Word32(const WebRtc_UWord16 seq));
+      int32_t(const uint16_t seq));
   MOCK_CONST_METHOD0(SSRC,
-      WebRtc_UWord32());
+      uint32_t());
   MOCK_METHOD1(SetSSRC,
-      WebRtc_Word32(const WebRtc_UWord32 ssrc));
+      int32_t(const uint32_t ssrc));
   MOCK_CONST_METHOD1(CSRCs,
-      WebRtc_Word32(WebRtc_UWord32 arrOfCSRC[kRtpCsrcSize]));
+      int32_t(uint32_t arrOfCSRC[kRtpCsrcSize]));
   MOCK_METHOD2(SetCSRCs,
-      WebRtc_Word32(const WebRtc_UWord32 arrOfCSRC[kRtpCsrcSize], const WebRtc_UWord8 arrLength));
+      int32_t(const uint32_t arrOfCSRC[kRtpCsrcSize], const uint8_t arrLength));
   MOCK_METHOD1(SetCSRCStatus,
-      WebRtc_Word32(const bool include));
+      int32_t(const bool include));
   MOCK_METHOD3(SetRTXSendStatus,
-      WebRtc_Word32(const RtxMode mode, const bool setSSRC,
-                    const WebRtc_UWord32 SSRC));
+      int32_t(const RtxMode mode, const bool setSSRC,
+              const uint32_t SSRC));
  MOCK_CONST_METHOD2(RTXSendStatus,
-      WebRtc_Word32(RtxMode* mode, WebRtc_UWord32* SSRC));
+      int32_t(RtxMode* mode, uint32_t* SSRC));
   MOCK_METHOD1(SetSendingStatus,
-      WebRtc_Word32(const bool sending));
+      int32_t(const bool sending));
   MOCK_CONST_METHOD0(Sending,
       bool());
   MOCK_METHOD1(SetSendingMediaStatus,
-      WebRtc_Word32(const bool sending));
+      int32_t(const bool sending));
   MOCK_CONST_METHOD0(SendingMedia,
       bool());
   MOCK_CONST_METHOD4(BitrateSent,
-      void(WebRtc_UWord32* totalRate, WebRtc_UWord32* videoRate, WebRtc_UWord32* fecRate, WebRtc_UWord32* nackRate));
+      void(uint32_t* totalRate, uint32_t* videoRate, uint32_t* fecRate, uint32_t* nackRate));
   MOCK_CONST_METHOD1(EstimatedReceiveBandwidth,
-      int(WebRtc_UWord32* available_bandwidth));
+      int(uint32_t* available_bandwidth));
   MOCK_METHOD8(SendOutgoingData,
-      WebRtc_Word32(const FrameType frameType,
-                    const WebRtc_Word8 payloadType,
-                    const WebRtc_UWord32 timeStamp,
-                    int64_t capture_time_ms,
-                    const WebRtc_UWord8* payloadData,
-                    const WebRtc_UWord32 payloadSize,
-                    const RTPFragmentationHeader* fragmentation,
-                    const RTPVideoHeader* rtpVideoHdr));
+      int32_t(const FrameType frameType,
+              const int8_t payloadType,
+              const uint32_t timeStamp,
+              int64_t capture_time_ms,
+              const uint8_t* payloadData,
+              const uint32_t payloadSize,
+              const RTPFragmentationHeader* fragmentation,
+              const RTPVideoHeader* rtpVideoHdr));
   MOCK_METHOD3(TimeToSendPacket,
       void(uint32_t ssrc, uint16_t sequence_number, int64_t capture_time_ms));
   MOCK_METHOD3(RegisterRtcpObservers,
@@ -162,124 +162,124 @@
   MOCK_CONST_METHOD0(RTCP,
       RTCPMethod());
   MOCK_METHOD1(SetRTCPStatus,
-      WebRtc_Word32(const RTCPMethod method));
+      int32_t(const RTCPMethod method));
   MOCK_METHOD1(SetCNAME,
-      WebRtc_Word32(const char cName[RTCP_CNAME_SIZE]));
+      int32_t(const char cName[RTCP_CNAME_SIZE]));
   MOCK_METHOD1(CNAME,
-      WebRtc_Word32(char cName[RTCP_CNAME_SIZE]));
+      int32_t(char cName[RTCP_CNAME_SIZE]));
   MOCK_CONST_METHOD2(RemoteCNAME,
-      WebRtc_Word32(const WebRtc_UWord32 remoteSSRC,
-                    char cName[RTCP_CNAME_SIZE]));
+      int32_t(const uint32_t remoteSSRC,
+              char cName[RTCP_CNAME_SIZE]));
   MOCK_CONST_METHOD5(RemoteNTP,
-      WebRtc_Word32(WebRtc_UWord32 *ReceivedNTPsecs,
-                    WebRtc_UWord32 *ReceivedNTPfrac,
-                    WebRtc_UWord32 *RTCPArrivalTimeSecs,
-                    WebRtc_UWord32 *RTCPArrivalTimeFrac,
-                    WebRtc_UWord32 *rtcp_timestamp));
+      int32_t(uint32_t *ReceivedNTPsecs,
+              uint32_t *ReceivedNTPfrac,
+              uint32_t *RTCPArrivalTimeSecs,
+              uint32_t *RTCPArrivalTimeFrac,
+              uint32_t *rtcp_timestamp));
   MOCK_METHOD2(AddMixedCNAME,
-      WebRtc_Word32(const WebRtc_UWord32 SSRC,
-                    const char cName[RTCP_CNAME_SIZE]));
+      int32_t(const uint32_t SSRC,
+              const char cName[RTCP_CNAME_SIZE]));
   MOCK_METHOD1(RemoveMixedCNAME,
-      WebRtc_Word32(const WebRtc_UWord32 SSRC));
+      int32_t(const uint32_t SSRC));
   MOCK_CONST_METHOD5(RTT,
-      WebRtc_Word32(const WebRtc_UWord32 remoteSSRC, WebRtc_UWord16* RTT, WebRtc_UWord16* avgRTT, WebRtc_UWord16* minRTT, WebRtc_UWord16* maxRTT));
+      int32_t(const uint32_t remoteSSRC, uint16_t* RTT, uint16_t* avgRTT, uint16_t* minRTT, uint16_t* maxRTT));
   MOCK_METHOD1(ResetRTT,
-      WebRtc_Word32(const WebRtc_UWord32 remoteSSRC));
+      int32_t(const uint32_t remoteSSRC));
   MOCK_METHOD1(SetRtt, void(uint32_t rtt));
   MOCK_METHOD1(SendRTCP,
-      WebRtc_Word32(WebRtc_UWord32 rtcpPacketType));
+      int32_t(uint32_t rtcpPacketType));
   MOCK_METHOD1(SendRTCPReferencePictureSelection,
-      WebRtc_Word32(const WebRtc_UWord64 pictureID));
+      int32_t(const uint64_t pictureID));
   MOCK_METHOD1(SendRTCPSliceLossIndication,
-      WebRtc_Word32(const WebRtc_UWord8 pictureID));
+      int32_t(const uint8_t pictureID));
   MOCK_METHOD0(ResetStatisticsRTP,
-      WebRtc_Word32());
+      int32_t());
   MOCK_CONST_METHOD5(StatisticsRTP,
-      WebRtc_Word32(WebRtc_UWord8 *fraction_lost, WebRtc_UWord32 *cum_lost, WebRtc_UWord32 *ext_max, WebRtc_UWord32 *jitter, WebRtc_UWord32 *max_jitter));
+      int32_t(uint8_t *fraction_lost, uint32_t *cum_lost, uint32_t *ext_max, uint32_t *jitter, uint32_t *max_jitter));
   MOCK_METHOD0(ResetReceiveDataCountersRTP,
-      WebRtc_Word32());
+      int32_t());
   MOCK_METHOD0(ResetSendDataCountersRTP,
-      WebRtc_Word32());
+      int32_t());
   MOCK_CONST_METHOD4(DataCountersRTP,
-      WebRtc_Word32(WebRtc_UWord32 *bytesSent, WebRtc_UWord32 *packetsSent, WebRtc_UWord32 *bytesReceived, WebRtc_UWord32 *packetsReceived));
+      int32_t(uint32_t *bytesSent, uint32_t *packetsSent, uint32_t *bytesReceived, uint32_t *packetsReceived));
   MOCK_METHOD1(RemoteRTCPStat,
-      WebRtc_Word32(RTCPSenderInfo* senderInfo));
+      int32_t(RTCPSenderInfo* senderInfo));
   MOCK_CONST_METHOD1(RemoteRTCPStat,
-      WebRtc_Word32(std::vector<RTCPReportBlock>* receiveBlocks));
+      int32_t(std::vector<RTCPReportBlock>* receiveBlocks));
   MOCK_METHOD2(AddRTCPReportBlock,
-      WebRtc_Word32(const WebRtc_UWord32 SSRC, const RTCPReportBlock* receiveBlock));
+      int32_t(const uint32_t SSRC, const RTCPReportBlock* receiveBlock));
   MOCK_METHOD1(RemoveRTCPReportBlock,
-      WebRtc_Word32(const WebRtc_UWord32 SSRC));
+      int32_t(const uint32_t SSRC));
   MOCK_METHOD4(SetRTCPApplicationSpecificData,
-      WebRtc_Word32(const WebRtc_UWord8 subType, const WebRtc_UWord32 name, const WebRtc_UWord8* data, const WebRtc_UWord16 length));
+      int32_t(const uint8_t subType, const uint32_t name, const uint8_t* data, const uint16_t length));
   MOCK_METHOD1(SetRTCPVoIPMetrics,
-      WebRtc_Word32(const RTCPVoIPMetric* VoIPMetric));
+      int32_t(const RTCPVoIPMetric* VoIPMetric));
   MOCK_CONST_METHOD0(REMB,
       bool());
   MOCK_METHOD1(SetREMBStatus,
-      WebRtc_Word32(const bool enable));
+      int32_t(const bool enable));
   MOCK_METHOD3(SetREMBData,
-      WebRtc_Word32(const WebRtc_UWord32 bitrate, const WebRtc_UWord8 numberOfSSRC, const WebRtc_UWord32* SSRC));
+      int32_t(const uint32_t bitrate, const uint8_t numberOfSSRC, const uint32_t* SSRC));
   MOCK_METHOD1(SetRemoteBitrateObserver,
       bool(RemoteBitrateObserver*));
   MOCK_CONST_METHOD0(IJ,
       bool());
   MOCK_METHOD1(SetIJStatus,
-      WebRtc_Word32(const bool));
+      int32_t(const bool));
   MOCK_CONST_METHOD0(TMMBR,
       bool());
   MOCK_METHOD1(SetTMMBRStatus,
-      WebRtc_Word32(const bool enable));
+      int32_t(const bool enable));
   MOCK_METHOD1(OnBandwidthEstimateUpdate,
-      void(WebRtc_UWord16 bandWidthKbit));
+      void(uint16_t bandWidthKbit));
   MOCK_CONST_METHOD0(NACK,
       NACKMethod());
   MOCK_METHOD2(SetNACKStatus,
-      WebRtc_Word32(const NACKMethod method, int oldestSequenceNumberToNack));
+      int32_t(const NACKMethod method, int oldestSequenceNumberToNack));
   MOCK_CONST_METHOD0(SelectiveRetransmissions,
       int());
   MOCK_METHOD1(SetSelectiveRetransmissions,
       int(uint8_t settings));
   MOCK_METHOD2(SendNACK,
-      WebRtc_Word32(const WebRtc_UWord16* nackList, const WebRtc_UWord16 size));
+      int32_t(const uint16_t* nackList, const uint16_t size));
   MOCK_METHOD2(SetStorePacketsStatus,
-      WebRtc_Word32(const bool enable, const WebRtc_UWord16 numberToStore));
+      int32_t(const bool enable, const uint16_t numberToStore));
   MOCK_METHOD1(RegisterAudioCallback,
-      WebRtc_Word32(RtpAudioFeedback* messagesCallback));
+      int32_t(RtpAudioFeedback* messagesCallback));
   MOCK_METHOD1(SetAudioPacketSize,
-      WebRtc_Word32(const WebRtc_UWord16 packetSizeSamples));
+      int32_t(const uint16_t packetSizeSamples));
   MOCK_METHOD1(SetTelephoneEventForwardToDecoder, int(bool forwardToDecoder));
   MOCK_CONST_METHOD0(TelephoneEventForwardToDecoder,
       bool());
   MOCK_CONST_METHOD1(SendTelephoneEventActive,
-      bool(WebRtc_Word8& telephoneEvent));
+      bool(int8_t& telephoneEvent));
   MOCK_METHOD3(SendTelephoneEventOutband,
-      WebRtc_Word32(const WebRtc_UWord8 key, const WebRtc_UWord16 time_ms, const WebRtc_UWord8 level));
+      int32_t(const uint8_t key, const uint16_t time_ms, const uint8_t level));
   MOCK_METHOD1(SetSendREDPayloadType,
-      WebRtc_Word32(const WebRtc_Word8 payloadType));
+      int32_t(const int8_t payloadType));
   MOCK_CONST_METHOD1(SendREDPayloadType,
-      WebRtc_Word32(WebRtc_Word8& payloadType));
+      int32_t(int8_t& payloadType));
   MOCK_METHOD2(SetRTPAudioLevelIndicationStatus,
-      WebRtc_Word32(const bool enable, const WebRtc_UWord8 ID));
+      int32_t(const bool enable, const uint8_t ID));
   MOCK_CONST_METHOD2(GetRTPAudioLevelIndicationStatus,
-      WebRtc_Word32(bool& enable, WebRtc_UWord8& ID));
+      int32_t(bool& enable, uint8_t& ID));
   MOCK_METHOD1(SetAudioLevel,
-      WebRtc_Word32(const WebRtc_UWord8 level_dBov));
+      int32_t(const uint8_t level_dBov));
   MOCK_METHOD1(SetCameraDelay,
-      WebRtc_Word32(const WebRtc_Word32 delayMS));
+      int32_t(const int32_t delayMS));
   MOCK_METHOD1(SetTargetSendBitrate,
-      void(const WebRtc_UWord32 bitrate));
+      void(const uint32_t bitrate));
   MOCK_METHOD3(SetGenericFECStatus,
-      WebRtc_Word32(const bool enable, const WebRtc_UWord8 payloadTypeRED, const WebRtc_UWord8 payloadTypeFEC));
+      int32_t(const bool enable, const uint8_t payloadTypeRED, const uint8_t payloadTypeFEC));
   MOCK_METHOD3(GenericFECStatus,
-      WebRtc_Word32(bool& enable, WebRtc_UWord8& payloadTypeRED, WebRtc_UWord8& payloadTypeFEC));
+      int32_t(bool& enable, uint8_t& payloadTypeRED, uint8_t& payloadTypeFEC));
   MOCK_METHOD2(SetFecParameters,
-      WebRtc_Word32(const FecProtectionParams* delta_params,
-                    const FecProtectionParams* key_params));
+      int32_t(const FecProtectionParams* delta_params,
+              const FecProtectionParams* key_params));
   MOCK_METHOD1(SetKeyFrameRequestMethod,
-      WebRtc_Word32(const KeyFrameRequestMethod method));
+      int32_t(const KeyFrameRequestMethod method));
   MOCK_METHOD0(RequestKeyFrame,
-      WebRtc_Word32());
+      int32_t());
   MOCK_CONST_METHOD3(Version,
       int32_t(char* version, uint32_t& remaining_buffer_in_bytes, uint32_t& position));
   MOCK_METHOD0(TimeUntilNextProcess,
diff --git a/webrtc/modules/rtp_rtcp/source/H264/bitstream_builder.cc b/webrtc/modules/rtp_rtcp/source/H264/bitstream_builder.cc
index 05b7e2f..7909f88 100644
--- a/webrtc/modules/rtp_rtcp/source/H264/bitstream_builder.cc
+++ b/webrtc/modules/rtp_rtcp/source/H264/bitstream_builder.cc
@@ -13,7 +13,7 @@
 #include <string.h>
 
 namespace webrtc {
-BitstreamBuilder::BitstreamBuilder(WebRtc_UWord8* data, const WebRtc_UWord32 dataSize) :
+BitstreamBuilder::BitstreamBuilder(uint8_t* data, const uint32_t dataSize) :
     _data(data),
     _dataSize(dataSize),
     _byteOffset(0),
@@ -22,14 +22,14 @@
     memset(data, 0, dataSize);
 }
 
-WebRtc_UWord32
+uint32_t
 BitstreamBuilder::Length() const
 {
     return _byteOffset+ (_bitOffset?1:0);
 }
 
-WebRtc_Word32
-BitstreamBuilder::Add1Bit(const WebRtc_UWord8 bit)
+int32_t
+BitstreamBuilder::Add1Bit(const uint8_t bit)
 {
     // sanity
     if(_bitOffset + 1 > 8)
@@ -45,7 +45,7 @@
 }
 
 void
-BitstreamBuilder::Add1BitWithoutSanity(const WebRtc_UWord8 bit)
+BitstreamBuilder::Add1BitWithoutSanity(const uint8_t bit)
 {
     if(bit & 0x1)
     {
@@ -63,8 +63,8 @@
     }
 }
 
-WebRtc_Word32
-BitstreamBuilder::Add2Bits(const WebRtc_UWord8 bits)
+int32_t
+BitstreamBuilder::Add2Bits(const uint8_t bits)
 {
     // sanity
     if(_bitOffset + 2 > 8)
@@ -80,8 +80,8 @@
     return 0;
 }
 
-WebRtc_Word32
-BitstreamBuilder::Add3Bits(const WebRtc_UWord8 bits)
+int32_t
+BitstreamBuilder::Add3Bits(const uint8_t bits)
 {
     // sanity
     if(_bitOffset + 3 > 8)
@@ -98,8 +98,8 @@
     return 0;
 }
 
-WebRtc_Word32
-BitstreamBuilder::Add4Bits(const WebRtc_UWord8 bits)
+int32_t
+BitstreamBuilder::Add4Bits(const uint8_t bits)
 {
     // sanity
     if(_bitOffset + 4 > 8)
@@ -117,8 +117,8 @@
     return 0;
 }
 
-WebRtc_Word32
-BitstreamBuilder::Add5Bits(const WebRtc_UWord8 bits)
+int32_t
+BitstreamBuilder::Add5Bits(const uint8_t bits)
 {
     // sanity
     if(_bitOffset + 5 > 8)
@@ -137,8 +137,8 @@
     return 0;
 }
 
-WebRtc_Word32
-BitstreamBuilder::Add6Bits(const WebRtc_UWord8 bits)
+int32_t
+BitstreamBuilder::Add6Bits(const uint8_t bits)
 {
     // sanity
     if(_bitOffset + 6 > 8)
@@ -158,8 +158,8 @@
     return 0;
 }
 
-WebRtc_Word32
-BitstreamBuilder::Add7Bits(const WebRtc_UWord8 bits)
+int32_t
+BitstreamBuilder::Add7Bits(const uint8_t bits)
 {
     // sanity
     if(_bitOffset + 7 > 8)
@@ -180,8 +180,8 @@
     return 0;
 }
 
-WebRtc_Word32
-BitstreamBuilder::Add8Bits(const WebRtc_UWord8 bits)
+int32_t
+BitstreamBuilder::Add8Bits(const uint8_t bits)
 {
     // sanity
     if(_dataSize < Length()+1)
@@ -201,8 +201,8 @@
     return 0;
 }
 
-WebRtc_Word32
-BitstreamBuilder::Add16Bits(const WebRtc_UWord16 bits)
+int32_t
+BitstreamBuilder::Add16Bits(const uint16_t bits)
 {
     // sanity
     if(_dataSize < Length()+2)
@@ -212,20 +212,20 @@
     }
     if(_bitOffset == 0)
     {
-        _data[_byteOffset] = (WebRtc_UWord8)(bits >> 8);
-        _data[_byteOffset+1] = (WebRtc_UWord8)(bits);
+        _data[_byteOffset] = (uint8_t)(bits >> 8);
+        _data[_byteOffset+1] = (uint8_t)(bits);
     } else
     {
-        _data[_byteOffset] += (WebRtc_UWord8)(bits >> (_bitOffset + 8));
-        _data[_byteOffset+1] += (WebRtc_UWord8)(bits >> _bitOffset);
-        _data[_byteOffset+2] += (WebRtc_UWord8)(bits << (8-_bitOffset));
+        _data[_byteOffset] += (uint8_t)(bits >> (_bitOffset + 8));
+        _data[_byteOffset+1] += (uint8_t)(bits >> _bitOffset);
+        _data[_byteOffset+2] += (uint8_t)(bits << (8-_bitOffset));
     }
     _byteOffset += 2;
     return 0;
 }
 
-WebRtc_Word32
-BitstreamBuilder::Add24Bits(const WebRtc_UWord32 bits)
+int32_t
+BitstreamBuilder::Add24Bits(const uint32_t bits)
 {
     // sanity
     if(_dataSize < Length()+3)
@@ -235,22 +235,22 @@
     }
     if(_bitOffset == 0)
     {
-        _data[_byteOffset] = (WebRtc_UWord8)(bits >> 16);
-        _data[_byteOffset+1] = (WebRtc_UWord8)(bits >> 8);
-        _data[_byteOffset+2] = (WebRtc_UWord8)(bits);
+        _data[_byteOffset] = (uint8_t)(bits >> 16);
+        _data[_byteOffset+1] = (uint8_t)(bits >> 8);
+        _data[_byteOffset+2] = (uint8_t)(bits);
     } else
     {
-        _data[_byteOffset]   += (WebRtc_UWord8)(bits >> (_bitOffset+16));
-        _data[_byteOffset+1] += (WebRtc_UWord8)(bits >> (_bitOffset+8));
-        _data[_byteOffset+2] += (WebRtc_UWord8)(bits >> (_bitOffset));
-        _data[_byteOffset+3] += (WebRtc_UWord8)(bits << (8-_bitOffset));
+        _data[_byteOffset]   += (uint8_t)(bits >> (_bitOffset+16));
+        _data[_byteOffset+1] += (uint8_t)(bits >> (_bitOffset+8));
+        _data[_byteOffset+2] += (uint8_t)(bits >> (_bitOffset));
+        _data[_byteOffset+3] += (uint8_t)(bits << (8-_bitOffset));
     }
     _byteOffset += 3;
     return 0;
 }
 
-WebRtc_Word32
-BitstreamBuilder::Add32Bits(const WebRtc_UWord32 bits)
+int32_t
+BitstreamBuilder::Add32Bits(const uint32_t bits)
 {
     // sanity
     if(_dataSize < Length()+4)
@@ -260,17 +260,17 @@
     }
     if(_bitOffset == 0)
     {
-        _data[_byteOffset]   = (WebRtc_UWord8)(bits >> 24);
-        _data[_byteOffset+1] = (WebRtc_UWord8)(bits >> 16);
-        _data[_byteOffset+2] = (WebRtc_UWord8)(bits >> 8);
-        _data[_byteOffset+3] = (WebRtc_UWord8)(bits);
+        _data[_byteOffset]   = (uint8_t)(bits >> 24);
+        _data[_byteOffset+1] = (uint8_t)(bits >> 16);
+        _data[_byteOffset+2] = (uint8_t)(bits >> 8);
+        _data[_byteOffset+3] = (uint8_t)(bits);
     } else
     {
-        _data[_byteOffset]   += (WebRtc_UWord8)(bits >> (_bitOffset+24));
-        _data[_byteOffset+1] += (WebRtc_UWord8)(bits >> (_bitOffset+16));
-        _data[_byteOffset+2] += (WebRtc_UWord8)(bits >> (_bitOffset+8));
-        _data[_byteOffset+3] += (WebRtc_UWord8)(bits >> (_bitOffset));
-        _data[_byteOffset+4] += (WebRtc_UWord8)(bits << (8-_bitOffset));
+        _data[_byteOffset]   += (uint8_t)(bits >> (_bitOffset+24));
+        _data[_byteOffset+1] += (uint8_t)(bits >> (_bitOffset+16));
+        _data[_byteOffset+2] += (uint8_t)(bits >> (_bitOffset+8));
+        _data[_byteOffset+3] += (uint8_t)(bits >> (_bitOffset));
+        _data[_byteOffset+4] += (uint8_t)(bits << (8-_bitOffset));
     }
     _byteOffset += 4;
     return 0;
@@ -287,8 +287,8 @@
       0 0 0 0 1 x3 x2 x1 x0    15..30
     0 0 0 0 0 1 x4 x3 x2 x1 x0 31..62
 */
-WebRtc_Word32
-BitstreamBuilder::AddUE(const WebRtc_UWord32 value)
+int32_t
+BitstreamBuilder::AddUE(const uint32_t value)
 {
     // un-rolled on 8 bit base to avoid too deep if else chain
     if(value < 0x0000ffff)
@@ -543,18 +543,18 @@
     return 0;
 }
 
-WebRtc_Word32
-BitstreamBuilder::AddPrefix(const WebRtc_UWord8 numZeros)
+int32_t
+BitstreamBuilder::AddPrefix(const uint8_t numZeros)
 {
     // sanity for the sufix too
-    WebRtc_UWord32 numBitsToAdd = numZeros * 2 + 1;
+    uint32_t numBitsToAdd = numZeros * 2 + 1;
     if(((_dataSize - _byteOffset) *8 + 8-_bitOffset) < numBitsToAdd)
     {
         return -1;
     }
 
     // add numZeros
-    for (WebRtc_UWord32 i = 0; i < numZeros; i++)
+    for (uint32_t i = 0; i < numZeros; i++)
     {
         Add1Bit(0);
     }
@@ -563,10 +563,10 @@
 }
 
 void
-BitstreamBuilder::AddSuffix(const WebRtc_UWord8 numBits, const WebRtc_UWord32 rest)
+BitstreamBuilder::AddSuffix(const uint8_t numBits, const uint32_t rest)
 {
     // most significant bit first
-    for(WebRtc_Word32 i = numBits - 1; i >= 0; i--)
+    for(int32_t i = numBits - 1; i >= 0; i--)
     {
         if(( rest >> i) & 0x1)
         {
diff --git a/webrtc/modules/rtp_rtcp/source/H264/bitstream_builder.h b/webrtc/modules/rtp_rtcp/source/H264/bitstream_builder.h
index c88ef8f..edfe677 100644
--- a/webrtc/modules/rtp_rtcp/source/H264/bitstream_builder.h
+++ b/webrtc/modules/rtp_rtcp/source/H264/bitstream_builder.h
@@ -17,35 +17,35 @@
 class BitstreamBuilder
 {
 public:
-    BitstreamBuilder(WebRtc_UWord8* data, const WebRtc_UWord32 dataSize);
+    BitstreamBuilder(uint8_t* data, const uint32_t dataSize);
 
-    WebRtc_UWord32 Length() const;
+    uint32_t Length() const;
 
-    WebRtc_Word32 Add1Bit(const WebRtc_UWord8 bit);
-    WebRtc_Word32 Add2Bits(const WebRtc_UWord8 bits);
-    WebRtc_Word32 Add3Bits(const WebRtc_UWord8 bits);
-    WebRtc_Word32 Add4Bits(const WebRtc_UWord8 bits);
-    WebRtc_Word32 Add5Bits(const WebRtc_UWord8 bits);
-    WebRtc_Word32 Add6Bits(const WebRtc_UWord8 bits);
-    WebRtc_Word32 Add7Bits(const WebRtc_UWord8 bits);
-    WebRtc_Word32 Add8Bits(const WebRtc_UWord8 bits);
-    WebRtc_Word32 Add16Bits(const WebRtc_UWord16 bits);
-    WebRtc_Word32 Add24Bits(const WebRtc_UWord32 bits);
-    WebRtc_Word32 Add32Bits(const WebRtc_UWord32 bits);
+    int32_t Add1Bit(const uint8_t bit);
+    int32_t Add2Bits(const uint8_t bits);
+    int32_t Add3Bits(const uint8_t bits);
+    int32_t Add4Bits(const uint8_t bits);
+    int32_t Add5Bits(const uint8_t bits);
+    int32_t Add6Bits(const uint8_t bits);
+    int32_t Add7Bits(const uint8_t bits);
+    int32_t Add8Bits(const uint8_t bits);
+    int32_t Add16Bits(const uint16_t bits);
+    int32_t Add24Bits(const uint32_t bits);
+    int32_t Add32Bits(const uint32_t bits);
 
     // Exp-Golomb codes
-    WebRtc_Word32 AddUE(const WebRtc_UWord32 value);
+    int32_t AddUE(const uint32_t value);
 
 private:
-    WebRtc_Word32 AddPrefix(const WebRtc_UWord8 numZeros);
-    void AddSuffix(const WebRtc_UWord8 numBits, const WebRtc_UWord32 rest);
-    void Add1BitWithoutSanity(const WebRtc_UWord8 bit);
+    int32_t AddPrefix(const uint8_t numZeros);
+    void AddSuffix(const uint8_t numBits, const uint32_t rest);
+    void Add1BitWithoutSanity(const uint8_t bit);
 
-    WebRtc_UWord8* _data;
-    WebRtc_UWord32 _dataSize;
+    uint8_t* _data;
+    uint32_t _dataSize;
 
-    WebRtc_UWord32 _byteOffset;
-    WebRtc_UWord8  _bitOffset;
+    uint32_t _byteOffset;
+    uint8_t  _bitOffset;
 };
 } // namespace webrtc
 
diff --git a/webrtc/modules/rtp_rtcp/source/H264/bitstream_parser.cc b/webrtc/modules/rtp_rtcp/source/H264/bitstream_parser.cc
index 79ec967..43b1398 100644
--- a/webrtc/modules/rtp_rtcp/source/H264/bitstream_parser.cc
+++ b/webrtc/modules/rtp_rtcp/source/H264/bitstream_parser.cc
@@ -11,7 +11,7 @@
 #include "bitstream_parser.h"
 
 namespace webrtc {
-BitstreamParser::BitstreamParser(const WebRtc_UWord8* data, const WebRtc_UWord32 dataLength) :
+BitstreamParser::BitstreamParser(const uint8_t* data, const uint32_t dataLength) :
     _data(data),
     _dataLength(dataLength),
     _byteOffset(0),
@@ -20,10 +20,10 @@
 }
     // todo should we have any error codes from this?
 
-WebRtc_UWord8
+uint8_t
 BitstreamParser::Get1Bit()
 {
-    WebRtc_UWord8 retVal = 0x1 & (_data[_byteOffset] >> (7-_bitOffset++));
+    uint8_t retVal = 0x1 & (_data[_byteOffset] >> (7-_bitOffset++));
 
     // prepare next byte
     if(_bitOffset == 8)
@@ -34,37 +34,37 @@
     return retVal;
 }
 
-WebRtc_UWord8
+uint8_t
 BitstreamParser::Get2Bits()
 {
-    WebRtc_UWord8 retVal = (Get1Bit() << 1);
+    uint8_t retVal = (Get1Bit() << 1);
     retVal += Get1Bit();
     return retVal;
 }
 
-WebRtc_UWord8
+uint8_t
 BitstreamParser::Get3Bits()
 {
-    WebRtc_UWord8 retVal = (Get1Bit() << 2);
+    uint8_t retVal = (Get1Bit() << 2);
     retVal += (Get1Bit() << 1);
     retVal += Get1Bit();
     return retVal;
 }
 
-WebRtc_UWord8
+uint8_t
 BitstreamParser::Get4Bits()
 {
-    WebRtc_UWord8 retVal = (Get1Bit() << 3);
+    uint8_t retVal = (Get1Bit() << 3);
     retVal += (Get1Bit() << 2);
     retVal += (Get1Bit() << 1);
     retVal += Get1Bit();
     return retVal;
 }
 
-WebRtc_UWord8
+uint8_t
 BitstreamParser::Get5Bits()
 {
-    WebRtc_UWord8 retVal = (Get1Bit() << 4);
+    uint8_t retVal = (Get1Bit() << 4);
     retVal += (Get1Bit() << 3);
     retVal += (Get1Bit() << 2);
     retVal += (Get1Bit() << 1);
@@ -72,10 +72,10 @@
     return retVal;
 }
 
-WebRtc_UWord8
+uint8_t
 BitstreamParser::Get6Bits()
 {
-    WebRtc_UWord8 retVal = (Get1Bit() << 5);
+    uint8_t retVal = (Get1Bit() << 5);
     retVal += (Get1Bit() << 4);
     retVal += (Get1Bit() << 3);
     retVal += (Get1Bit() << 2);
@@ -84,10 +84,10 @@
     return retVal;
 }
 
-WebRtc_UWord8
+uint8_t
 BitstreamParser::Get7Bits()
 {
-    WebRtc_UWord8 retVal = (Get1Bit() << 6);
+    uint8_t retVal = (Get1Bit() << 6);
     retVal += (Get1Bit() << 5);
     retVal += (Get1Bit() << 4);
     retVal += (Get1Bit() << 3);
@@ -97,10 +97,10 @@
     return retVal;
 }
 
-WebRtc_UWord8
+uint8_t
 BitstreamParser::Get8Bits()
 {
-    WebRtc_UWord16 retVal;
+    uint16_t retVal;
 
     if(_bitOffset != 0)
     {
@@ -112,13 +112,13 @@
         retVal = _data[_byteOffset];
     }
     _byteOffset++;
-    return (WebRtc_UWord8)retVal;
+    return (uint8_t)retVal;
 }
 
-WebRtc_UWord16
+uint16_t
 BitstreamParser::Get16Bits()
 {
-    WebRtc_UWord32 retVal;
+    uint32_t retVal;
 
     if(_bitOffset != 0)
     {
@@ -131,13 +131,13 @@
         retVal = (_data[_byteOffset] << 8) + (_data[_byteOffset+1]) ;
     }
     _byteOffset += 2;
-    return (WebRtc_UWord16)retVal;
+    return (uint16_t)retVal;
 }
 
-WebRtc_UWord32
+uint32_t
 BitstreamParser::Get24Bits()
 {
-    WebRtc_UWord32 retVal;
+    uint32_t retVal;
 
     if(_bitOffset != 0)
     {
@@ -153,15 +153,15 @@
     return retVal & 0x00ffffff; // we need to clean up the high 8 bits
 }
 
-WebRtc_UWord32
+uint32_t
 BitstreamParser::Get32Bits()
 {
-    WebRtc_UWord32 retVal;
+    uint32_t retVal;
 
     if(_bitOffset != 0)
     {
         // read 40 bits
-        WebRtc_UWord64 tempVal = _data[_byteOffset];
+        uint64_t tempVal = _data[_byteOffset];
         tempVal <<= 8;
         tempVal += _data[_byteOffset+1];
         tempVal <<= 8;
@@ -172,7 +172,7 @@
         tempVal += _data[_byteOffset+4];
         tempVal >>= (8-_bitOffset);
 
-        retVal = WebRtc_UWord32(tempVal);
+        retVal = uint32_t(tempVal);
     }else
     {
         // read 32  bits
@@ -194,11 +194,11 @@
     0 0 0 0 0 1 x4 x3 x2 x1 x0 31..62
 */
 
-WebRtc_UWord32
+uint32_t
 BitstreamParser::GetUE()
 {
-    WebRtc_UWord32 retVal = 0;
-    WebRtc_UWord8 numLeadingZeros = 0;
+    uint32_t retVal = 0;
+    uint8_t numLeadingZeros = 0;
 
     while (Get1Bit() != 1)
     {
diff --git a/webrtc/modules/rtp_rtcp/source/H264/bitstream_parser.h b/webrtc/modules/rtp_rtcp/source/H264/bitstream_parser.h
index 3d8f9ef..31c66c6 100644
--- a/webrtc/modules/rtp_rtcp/source/H264/bitstream_parser.h
+++ b/webrtc/modules/rtp_rtcp/source/H264/bitstream_parser.h
@@ -17,29 +17,29 @@
 class BitstreamParser
 {
 public:
-    BitstreamParser(const WebRtc_UWord8* data, const WebRtc_UWord32 dataLength);
+    BitstreamParser(const uint8_t* data, const uint32_t dataLength);
 
-    WebRtc_UWord8 Get1Bit();
-    WebRtc_UWord8 Get2Bits();
-    WebRtc_UWord8 Get3Bits();
-    WebRtc_UWord8 Get4Bits();
-    WebRtc_UWord8 Get5Bits();
-    WebRtc_UWord8 Get6Bits();
-    WebRtc_UWord8 Get7Bits();
-    WebRtc_UWord8 Get8Bits();
-    WebRtc_UWord16 Get16Bits();
-    WebRtc_UWord32 Get24Bits();
-    WebRtc_UWord32 Get32Bits();
+    uint8_t Get1Bit();
+    uint8_t Get2Bits();
+    uint8_t Get3Bits();
+    uint8_t Get4Bits();
+    uint8_t Get5Bits();
+    uint8_t Get6Bits();
+    uint8_t Get7Bits();
+    uint8_t Get8Bits();
+    uint16_t Get16Bits();
+    uint32_t Get24Bits();
+    uint32_t Get32Bits();
 
     // Exp-Golomb codes
-    WebRtc_UWord32 GetUE();
+    uint32_t GetUE();
 
 private:
-    const WebRtc_UWord8* _data;
-    const WebRtc_UWord32 _dataLength;
+    const uint8_t* _data;
+    const uint32_t _dataLength;
 
-    WebRtc_UWord32 _byteOffset;
-    WebRtc_UWord8  _bitOffset;
+    uint32_t _byteOffset;
+    uint8_t  _bitOffset;
 };
 } // namespace webrtc
 
diff --git a/webrtc/modules/rtp_rtcp/source/H264/h264_information.cc b/webrtc/modules/rtp_rtcp/source/H264/h264_information.cc
index cf6b549..e75ddf5 100644
--- a/webrtc/modules/rtp_rtcp/source/H264/h264_information.cc
+++ b/webrtc/modules/rtp_rtcp/source/H264/h264_information.cc
@@ -18,9 +18,9 @@
     #include <stdio.h>
     #include <math.h>
 
-    WebRtc_UWord32 BitRateBPS(WebRtc_UWord16 x )
+    uint32_t BitRateBPS(uint16_t x )
     {
-        return (x & 0x3fff) * WebRtc_UWord32(pow(10.0f,(2 + (x >> 14))));
+        return (x & 0x3fff) * uint32_t(pow(10.0f,(2 + (x >> 14))));
     }
 
 #endif
@@ -52,7 +52,7 @@
     memset(_info.type, 0, sizeof(_info.type));
     memset(_info.accLayerSize, 0, sizeof(_info.accLayerSize));
 
-    for (WebRtc_Word32 i = 0; i < KMaxNumberOfNALUs; i++)
+    for (int32_t i = 0; i < KMaxNumberOfNALUs; i++)
     {
         _info.SVCheader[i].idr =            0;
         _info.SVCheader[i].priorityID =     0;
@@ -81,8 +81,8 @@
 }
 
 /*******************************************************************************
- * WebRtc_Word32 GetInfo(const WebRtc_UWord8* ptrEncodedBuffer,
- *             const WebRtc_UWord32 length,
+ * int32_t GetInfo(const uint8_t* ptrEncodedBuffer,
+ *             const uint32_t length,
  *             const H264Info*& ptrInfo);
  *
  * Gets information from an encoded stream.
@@ -98,9 +98,9 @@
  *          - 0                 : ok
  *          - (-1)              : Error
  */
-WebRtc_Word32
-H264Information::GetInfo(const WebRtc_UWord8* ptrEncodedBuffer,
-                             const WebRtc_UWord32 length,
+int32_t
+H264Information::GetInfo(const uint8_t* ptrEncodedBuffer,
+                             const uint32_t length,
                              const H264Info*& ptrInfo)
 {
     if (!ptrEncodedBuffer || length < 4)
@@ -132,7 +132,7 @@
 
 
 /*******************************************************************************
- * bool HasInfo(const WebRtc_UWord32 length);
+ * bool HasInfo(const uint32_t length);
  *
  * Checks if information has already been stored for this encoded stream.
  *
@@ -144,7 +144,7 @@
  */
 
 bool
-H264Information::HasInfo(const WebRtc_UWord32 length)
+H264Information::HasInfo(const uint32_t length)
 {
     if (!_info.numNALUs)
     {
@@ -162,8 +162,8 @@
 }
 
 /*******************************************************************************
- * WebRtc_Word32 FindInfo(const WebRtc_UWord8* ptrEncodedBuffer,
- *              const WebRtc_UWord32 length);
+ * int32_t FindInfo(const uint8_t* ptrEncodedBuffer,
+ *              const uint32_t length);
  *
  * Parses the encoded stream.
  *
@@ -175,8 +175,8 @@
  *          - 0                 : ok
  *          - (-1)              : Error
  */
-WebRtc_Word32
-H264Information::FindInfo(const WebRtc_UWord8* ptrEncodedBuffer, const WebRtc_UWord32 length)
+int32_t
+H264Information::FindInfo(const uint8_t* ptrEncodedBuffer, const uint32_t length)
 {
     _ptrData = ptrEncodedBuffer;
     _length = length;
@@ -193,7 +193,7 @@
         }
 
         // Get NAL unit payload size
-        WebRtc_Word32 foundLast = FindNALU();
+        int32_t foundLast = FindNALU();
         if (foundLast == -1)
         {
             Reset();
@@ -251,7 +251,7 @@
 }
 
 /*******************************************************************************
- * WebRtc_Word32 FindNALUStartCodeSize();
+ * int32_t FindNALUStartCodeSize();
  *
  * Finds the start code length of the current NAL unit.
  *
@@ -262,15 +262,15 @@
  *          - 0                 : ok
  *          - (-1)              : Error
  */
-WebRtc_Word32
+int32_t
 H264Information::FindNALUStartCodeSize()
 {
     // NAL unit start code. Ex. {0,0,1} or {0,0,0,1}
-    for (WebRtc_UWord32 i = 2; i < _remLength; i++)
+    for (uint32_t i = 2; i < _remLength; i++)
     {
         if (_ptrData[i] == 1 && _ptrData[i - 1] == 0 && _ptrData[i - 2] == 0)
         {
-            _info.startCodeSize[_info.numNALUs] = WebRtc_UWord8(i + 1);
+            _info.startCodeSize[_info.numNALUs] = uint8_t(i + 1);
             return 0;
         }
     }
@@ -278,7 +278,7 @@
 }
 
 /*******************************************************************************
- * WebRtc_Word32 FindNALU();
+ * int32_t FindNALU();
  *
  * Finds the length of the current NAL unit.
  *
@@ -292,14 +292,14 @@
  *          - 0                 : ok
  *          - (-1)              : Error
  */
-WebRtc_Word32
+int32_t
 H264Information::FindNALU()
 {
-    for (WebRtc_UWord32 i = _info.startCodeSize[_info.numNALUs]; i < _remLength - 2; i += 2)
+    for (uint32_t i = _info.startCodeSize[_info.numNALUs]; i < _remLength - 2; i += 2)
     {
         if (_ptrData[i] == 0)
         {
-            WebRtc_Word32 size = 0;
+            int32_t size = 0;
             if ((_ptrData[i + 1] == 1 && _ptrData[i - 1] == 0) ||
                 (_ptrData[i + 2] == 1 && _ptrData[i + 1] == 0))
             {
@@ -354,7 +354,7 @@
     //                                    in the same layer, or contains a parameter set.
 
 
-    const WebRtc_UWord8 type = _ptrData[_info.startCodeSize[_info.numNALUs]] & 0x1f;
+    const uint8_t type = _ptrData[_info.startCodeSize[_info.numNALUs]] & 0x1f;
 
     // NALU type of 5, 7 and 8 shoud have NRI to b011
     if( type == 5 ||
@@ -370,7 +370,7 @@
 
 
 /*******************************************************************************
- * WebRtc_Word32 FindNALUType();
+ * int32_t FindNALUType();
  *
  * Finds the type of the current NAL unit.
  *
@@ -381,7 +381,7 @@
  *          - 0                        : ok
  *          - (-1)                     : Error
  */
-WebRtc_Word32
+int32_t
 H264Information::FindNALUType()
 {
     //  NAL unit header (1 byte)
@@ -406,7 +406,7 @@
 }
 
 /*******************************************************************************
- * WebRtc_Word32 ParseSVCNALUHeader();
+ * int32_t ParseSVCNALUHeader();
  *
  * Finds the extended header of the current NAL unit. Included for NAL unit types 14 and 20.
  *
@@ -417,7 +417,7 @@
  *          - 0                             : ok
  *          - (-1)                          : Error
  */
-WebRtc_Word32
+int32_t
 H264Information::ParseSVCNALUHeader()
 {
     if (_info.type[_info.numNALUs] == 5)
@@ -426,16 +426,16 @@
     }
     if (_info.type[_info.numNALUs] == 6)
     {
-        WebRtc_UWord32 seiPayloadSize;
+        uint32_t seiPayloadSize;
         do
         {
             // SEI message
             seiPayloadSize = 0;
 
-            WebRtc_UWord32 curByte = _info.startCodeSize[_info.numNALUs] + 1;
-            const WebRtc_UWord32 seiStartOffset = curByte;
+            uint32_t curByte = _info.startCodeSize[_info.numNALUs] + 1;
+            const uint32_t seiStartOffset = curByte;
 
-            WebRtc_UWord32 seiPayloadType = 0;
+            uint32_t seiPayloadType = 0;
             while(_ptrData[curByte] == 0xff)
             {
                 seiPayloadType += 255;
@@ -466,27 +466,27 @@
                 {
                     _info.PACSI[0].seiMessageLength[0] = seiPayloadSize;
                     delete [] _info.PACSI[0].seiMessageData[0];
-                    _info.PACSI[0].seiMessageData[0] = new WebRtc_UWord8[seiPayloadSize];
+                    _info.PACSI[0].seiMessageData[0] = new uint8_t[seiPayloadSize];
                 }
                 memcpy(_info.PACSI[0].seiMessageData[0], _ptrData+seiStartOffset, seiPayloadSize);
 
                 _info.PACSI[0].NALlength += seiPayloadSize + 2; // additional 2 is the length
 
 #ifdef DEBUG_SEI_MESSAGE
-                const WebRtc_UWord8 numberOfLayers = 10;
-                WebRtc_UWord16 avgBitrate[numberOfLayers]= {0,0,0,0,0,0,0,0,0,0};
-                WebRtc_UWord16 maxBitrateLayer[numberOfLayers]= {0,0,0,0,0,0,0,0,0,0};
-                WebRtc_UWord16 maxBitrateLayerRepresentation[numberOfLayers] = {0,0,0,0,0,0,0,0,0,0};
-                WebRtc_UWord16 maxBitrareCalcWindow[numberOfLayers] = {0,0,0,0,0,0,0,0,0,0};
+                const uint8_t numberOfLayers = 10;
+                uint16_t avgBitrate[numberOfLayers]= {0,0,0,0,0,0,0,0,0,0};
+                uint16_t maxBitrateLayer[numberOfLayers]= {0,0,0,0,0,0,0,0,0,0};
+                uint16_t maxBitrateLayerRepresentation[numberOfLayers] = {0,0,0,0,0,0,0,0,0,0};
+                uint16_t maxBitrareCalcWindow[numberOfLayers] = {0,0,0,0,0,0,0,0,0,0};
 
                 BitstreamParser parserScalabilityInfo(_ptrData+curByte, seiPayloadSize);
 
                 parserScalabilityInfo.Get1Bit(); // not used in futher parsing
-                const WebRtc_UWord8 priority_layer_info_present = parserScalabilityInfo.Get1Bit();
-                const WebRtc_UWord8 priority_id_setting_flag = parserScalabilityInfo.Get1Bit();
+                const uint8_t priority_layer_info_present = parserScalabilityInfo.Get1Bit();
+                const uint8_t priority_id_setting_flag = parserScalabilityInfo.Get1Bit();
 
-                WebRtc_UWord32 numberOfLayersMinusOne = parserScalabilityInfo.GetUE();
-                for(WebRtc_UWord32 j = 0; j<= numberOfLayersMinusOne; j++)
+                uint32_t numberOfLayersMinusOne = parserScalabilityInfo.GetUE();
+                for(uint32_t j = 0; j<= numberOfLayersMinusOne; j++)
                 {
                     printf("\nLayer ID:%d \n",parserScalabilityInfo.GetUE());
                     printf("Priority ID:%d \n", parserScalabilityInfo.Get6Bits());
@@ -496,24 +496,24 @@
                     printf("Quality ID:%d \n", parserScalabilityInfo.Get4Bits());
                     printf("Temporal ID:%d \n", parserScalabilityInfo.Get3Bits());
 
-                    const WebRtc_UWord8 sub_pic_layer_flag = parserScalabilityInfo.Get1Bit();
-                    const WebRtc_UWord8 sub_region_layer_flag = parserScalabilityInfo.Get1Bit();
-                    const WebRtc_UWord8 iroi_division_info_present_flag = parserScalabilityInfo.Get1Bit();
-                    const WebRtc_UWord8 profile_level_info_present_flag = parserScalabilityInfo.Get1Bit();
-                    const WebRtc_UWord8 bitrate_info_present_flag = parserScalabilityInfo.Get1Bit();
-                    const WebRtc_UWord8 frm_rate_info_present_flag = parserScalabilityInfo.Get1Bit();
-                    const WebRtc_UWord8 frm_size_info_present_flag = parserScalabilityInfo.Get1Bit();
-                    const WebRtc_UWord8 layer_dependency_info_present_flag = parserScalabilityInfo.Get1Bit();
-                    const WebRtc_UWord8 parameter_sets_info_present_flag = parserScalabilityInfo.Get1Bit();
-                    const WebRtc_UWord8 bitstream_restriction_info_present_flag = parserScalabilityInfo.Get1Bit();
-                    const WebRtc_UWord8 exact_inter_layer_pred_flag = parserScalabilityInfo.Get1Bit();  // not used in futher parsing
+                    const uint8_t sub_pic_layer_flag = parserScalabilityInfo.Get1Bit();
+                    const uint8_t sub_region_layer_flag = parserScalabilityInfo.Get1Bit();
+                    const uint8_t iroi_division_info_present_flag = parserScalabilityInfo.Get1Bit();
+                    const uint8_t profile_level_info_present_flag = parserScalabilityInfo.Get1Bit();
+                    const uint8_t bitrate_info_present_flag = parserScalabilityInfo.Get1Bit();
+                    const uint8_t frm_rate_info_present_flag = parserScalabilityInfo.Get1Bit();
+                    const uint8_t frm_size_info_present_flag = parserScalabilityInfo.Get1Bit();
+                    const uint8_t layer_dependency_info_present_flag = parserScalabilityInfo.Get1Bit();
+                    const uint8_t parameter_sets_info_present_flag = parserScalabilityInfo.Get1Bit();
+                    const uint8_t bitstream_restriction_info_present_flag = parserScalabilityInfo.Get1Bit();
+                    const uint8_t exact_inter_layer_pred_flag = parserScalabilityInfo.Get1Bit();  // not used in futher parsing
 
                     if(sub_pic_layer_flag || iroi_division_info_present_flag)
                     {
                         parserScalabilityInfo.Get1Bit();
                     }
-                    const WebRtc_UWord8 layer_conversion_flag = parserScalabilityInfo.Get1Bit();
-                    const WebRtc_UWord8 layer_output_flag = parserScalabilityInfo.Get1Bit();  // not used in futher parsing
+                    const uint8_t layer_conversion_flag = parserScalabilityInfo.Get1Bit();
+                    const uint8_t layer_output_flag = parserScalabilityInfo.Get1Bit();  // not used in futher parsing
 
                     if(profile_level_info_present_flag)
                     {
@@ -565,8 +565,8 @@
                             parserScalabilityInfo.GetUE();
                         }else
                         {
-                            const WebRtc_UWord32 numRoisMinusOne = parserScalabilityInfo.GetUE();
-                            for(WebRtc_UWord32 k = 0; k <= numRoisMinusOne; k++)
+                            const uint32_t numRoisMinusOne = parserScalabilityInfo.GetUE();
+                            for(uint32_t k = 0; k <= numRoisMinusOne; k++)
                             {
                                 parserScalabilityInfo.GetUE();
                                 parserScalabilityInfo.GetUE();
@@ -576,8 +576,8 @@
                     }
                     if(layer_dependency_info_present_flag)
                     {
-                        const WebRtc_UWord32 numDirectlyDependentLayers = parserScalabilityInfo.GetUE();
-                        for(WebRtc_UWord32 k = 0; k < numDirectlyDependentLayers; k++)
+                        const uint32_t numDirectlyDependentLayers = parserScalabilityInfo.GetUE();
+                        for(uint32_t k = 0; k < numDirectlyDependentLayers; k++)
                         {
                             parserScalabilityInfo.GetUE();
                         }
@@ -587,18 +587,18 @@
                     }
                     if(parameter_sets_info_present_flag)
                     {
-                        const WebRtc_UWord32 numSeqParameterSetMinusOne = parserScalabilityInfo.GetUE();
-                        for(WebRtc_UWord32 k = 0; k <= numSeqParameterSetMinusOne; k++)
+                        const uint32_t numSeqParameterSetMinusOne = parserScalabilityInfo.GetUE();
+                        for(uint32_t k = 0; k <= numSeqParameterSetMinusOne; k++)
                         {
                             parserScalabilityInfo.GetUE();
                         }
-                        const WebRtc_UWord32 numSubsetSeqParameterSetMinusOne = parserScalabilityInfo.GetUE();
-                        for(WebRtc_UWord32 l = 0; l <= numSubsetSeqParameterSetMinusOne; l++)
+                        const uint32_t numSubsetSeqParameterSetMinusOne = parserScalabilityInfo.GetUE();
+                        for(uint32_t l = 0; l <= numSubsetSeqParameterSetMinusOne; l++)
                         {
                             parserScalabilityInfo.GetUE();
                         }
-                        const WebRtc_UWord32 numPicParameterSetMinusOne = parserScalabilityInfo.GetUE();
-                        for(WebRtc_UWord32 m = 0; m <= numPicParameterSetMinusOne; m++)
+                        const uint32_t numPicParameterSetMinusOne = parserScalabilityInfo.GetUE();
+                        for(uint32_t m = 0; m <= numPicParameterSetMinusOne; m++)
                         {
                             parserScalabilityInfo.GetUE();
                         }
@@ -619,7 +619,7 @@
                     if(layer_conversion_flag)
                     {
                         parserScalabilityInfo.GetUE();
-                        for(WebRtc_UWord32 k = 0; k <2;k++)
+                        for(uint32_t k = 0; k <2;k++)
                         {
                             if(parserScalabilityInfo.Get1Bit())
                             {
@@ -632,12 +632,12 @@
                 }
                 if(priority_layer_info_present)
                 {
-                    const WebRtc_UWord32 prNumDidMinusOne = parserScalabilityInfo.GetUE();
-                    for(WebRtc_UWord32 k = 0; k <= prNumDidMinusOne;k++)
+                    const uint32_t prNumDidMinusOne = parserScalabilityInfo.GetUE();
+                    for(uint32_t k = 0; k <= prNumDidMinusOne;k++)
                     {
                         parserScalabilityInfo.Get3Bits();
-                        const WebRtc_UWord32 prNumMinusOne = parserScalabilityInfo.GetUE();
-                        for(WebRtc_UWord32 l = 0; l <= prNumMinusOne; l++)
+                        const uint32_t prNumMinusOne = parserScalabilityInfo.GetUE();
+                        for(uint32_t l = 0; l <= prNumMinusOne; l++)
                         {
                             parserScalabilityInfo.GetUE();
                             parserScalabilityInfo.Get24Bits();
@@ -648,8 +648,8 @@
                 }
                 if(priority_id_setting_flag)
                 {
-                    WebRtc_UWord8 priorityIdSettingUri;
-                    WebRtc_UWord32 priorityIdSettingUriIdx = 0;
+                    uint8_t priorityIdSettingUri;
+                    uint32_t priorityIdSettingUriIdx = 0;
                     do
                     {
                         priorityIdSettingUri = parserScalabilityInfo.Get8Bits();
@@ -686,7 +686,7 @@
     if (_info.type[_info.numNALUs] == 14 ||
         _info.type[_info.numNALUs] == 20)
     {
-        WebRtc_UWord32 curByte = _info.startCodeSize[_info.numNALUs] + 1;
+        uint32_t curByte = _info.startCodeSize[_info.numNALUs] + 1;
 
         if (_remLength < curByte + 3)
         {
@@ -726,7 +726,7 @@
  *
  */
 void
-H264Information::SetLayerSEBit(WebRtc_Word32 foundLast)
+H264Information::SetLayerSEBit(int32_t foundLast)
 {
     if (_info.numNALUs == 0)
     {
@@ -766,7 +766,7 @@
 }
 
 /*******************************************************************************
- * WebRtc_Word32 SetLayerLengths();
+ * int32_t SetLayerLengths();
  *
  * Sets the accumulated layer length.
  *
@@ -778,17 +778,17 @@
  *          - (-1)                     : Error
  *
  */
-WebRtc_Word32
+int32_t
 H264Information::SetLayerLengths()
 {
-    for (WebRtc_UWord32 curNALU = 0; curNALU < _info.numNALUs; curNALU++)
+    for (uint32_t curNALU = 0; curNALU < _info.numNALUs; curNALU++)
     {
         _info.accLayerSize[_info.numLayers] += _info.startCodeSize[curNALU] + _info.payloadSize[curNALU];
 
         if (_info.PACSI[curNALU].E == 1)
         {
             _info.numLayers++;
-            if (curNALU == WebRtc_UWord32(_info.numNALUs - 1))
+            if (curNALU == uint32_t(_info.numNALUs - 1))
             {
                 break;
             }
@@ -807,7 +807,7 @@
         return -1;
     }
 
-    if (_info.accLayerSize[_info.numLayers - 1] != WebRtc_Word32(_length))
+    if (_info.accLayerSize[_info.numLayers - 1] != int32_t(_length))
     {
         Reset();
         return -1;
diff --git a/webrtc/modules/rtp_rtcp/source/H264/h264_information.h b/webrtc/modules/rtp_rtcp/source/H264/h264_information.h
index c7f5214..e51b9e1 100644
--- a/webrtc/modules/rtp_rtcp/source/H264/h264_information.h
+++ b/webrtc/modules/rtp_rtcp/source/H264/h264_information.h
@@ -40,18 +40,18 @@
     length(3)
     {
     }
-    const WebRtc_UWord8 r;
-    WebRtc_UWord8       idr;
-    WebRtc_UWord8       priorityID;
-    WebRtc_UWord8       interLayerPred;
-    WebRtc_UWord8       dependencyID;
-    WebRtc_UWord8       qualityID;
-    WebRtc_UWord8       temporalID;
-    WebRtc_UWord8       useRefBasePic;
-    WebRtc_UWord8       discardable;
-    WebRtc_UWord8       output;
-    const WebRtc_UWord8 rr;
-    const WebRtc_UWord8 length;
+    const uint8_t r;
+    uint8_t       idr;
+    uint8_t       priorityID;
+    uint8_t       interLayerPred;
+    uint8_t       dependencyID;
+    uint8_t       qualityID;
+    uint8_t       temporalID;
+    uint8_t       useRefBasePic;
+    uint8_t       discardable;
+    uint8_t       output;
+    const uint8_t rr;
+    const uint8_t length;
 };
 
 class H264_PACSI_NALU
@@ -87,22 +87,22 @@
         }
     }
 
-    WebRtc_UWord32        NALlength;
-    const WebRtc_UWord8   type;
-    WebRtc_UWord8         X;
-    WebRtc_UWord8         Y;
-//  WebRtc_UWord8         T;
-    WebRtc_UWord8         A;
-    WebRtc_UWord8         P;
-    WebRtc_UWord8         C;
-    WebRtc_UWord8         S;
-    WebRtc_UWord8         E;
-    WebRtc_UWord8         TL0picIDx;
-    WebRtc_UWord16        IDRpicID;
-    WebRtc_UWord16        DONC;
-    WebRtc_UWord32        numSEINALUs;
-    WebRtc_UWord32        seiMessageLength[KMaxNumberOfSEINALUs]; // we allow KMaxNumberOfSEINALUs SEI messages
-    WebRtc_UWord8*        seiMessageData[KMaxNumberOfSEINALUs];
+    uint32_t        NALlength;
+    const uint8_t   type;
+    uint8_t         X;
+    uint8_t         Y;
+//  uint8_t         T;
+    uint8_t         A;
+    uint8_t         P;
+    uint8_t         C;
+    uint8_t         S;
+    uint8_t         E;
+    uint8_t         TL0picIDx;
+    uint16_t        IDRpicID;
+    uint16_t        DONC;
+    uint32_t        numSEINALUs;
+    uint32_t        seiMessageLength[KMaxNumberOfSEINALUs]; // we allow KMaxNumberOfSEINALUs SEI messages
+    uint8_t*        seiMessageData[KMaxNumberOfSEINALUs];
 };
 
 struct H264Info
@@ -118,15 +118,15 @@
             memset(type, 0, sizeof(type));
             memset(accLayerSize, 0, sizeof(accLayerSize));
         }
-    WebRtc_UWord16             numNALUs;
-    WebRtc_UWord8              numLayers;
-    WebRtc_UWord8              startCodeSize[KMaxNumberOfNALUs];
-    WebRtc_UWord32             payloadSize[KMaxNumberOfNALUs];
-    WebRtc_UWord8              NRI[KMaxNumberOfNALUs];
-    WebRtc_UWord8              type[KMaxNumberOfNALUs];
+    uint16_t             numNALUs;
+    uint8_t              numLayers;
+    uint8_t              startCodeSize[KMaxNumberOfNALUs];
+    uint32_t             payloadSize[KMaxNumberOfNALUs];
+    uint8_t              NRI[KMaxNumberOfNALUs];
+    uint8_t              type[KMaxNumberOfNALUs];
     H264_SVC_NALUHeader SVCheader[KMaxNumberOfNALUs];
     H264_PACSI_NALU     PACSI[KMaxNumberOfNALUs];
-    WebRtc_Word32              accLayerSize[KMaxNumberOfLayers];
+    int32_t              accLayerSize[KMaxNumberOfLayers];
 };
 
 
@@ -140,29 +140,29 @@
 
     virtual RtpVideoCodecTypes Type();
 
-    virtual WebRtc_Word32 GetInfo(const WebRtc_UWord8* ptrEncodedBuffer, const WebRtc_UWord32 length, const H264Info*& ptrInfo);
+    virtual int32_t GetInfo(const uint8_t* ptrEncodedBuffer, const uint32_t length, const H264Info*& ptrInfo);
 
 
 protected:
-    bool HasInfo(const WebRtc_UWord32 length);
-    WebRtc_Word32  FindInfo(const WebRtc_UWord8* ptrEncodedBuffer, const WebRtc_UWord32 length);
+    bool HasInfo(const uint32_t length);
+    int32_t  FindInfo(const uint8_t* ptrEncodedBuffer, const uint32_t length);
 
     void GetNRI();
-    WebRtc_Word32 FindNALU();
-    WebRtc_Word32 FindNALUStartCodeSize();
-    WebRtc_Word32 FindNALUType();
+    int32_t FindNALU();
+    int32_t FindNALUStartCodeSize();
+    int32_t FindNALUType();
 
-    WebRtc_Word32 ParseSVCNALUHeader();
+    int32_t ParseSVCNALUHeader();
 
-    void SetLayerSEBit(WebRtc_Word32 foundLast);
-    WebRtc_Word32 SetLayerLengths();
+    void SetLayerSEBit(int32_t foundLast);
+    int32_t SetLayerLengths();
 
 private:
     const bool            _SVC;
-    const WebRtc_UWord8*    _ptrData;
-    WebRtc_UWord32          _length;
-    WebRtc_UWord32          _parsedLength;
-    WebRtc_UWord32          _remLength;
+    const uint8_t*    _ptrData;
+    uint32_t          _length;
+    uint32_t          _parsedLength;
+    uint32_t          _remLength;
     H264Info          _info;
 };
 } // namespace webrtc
diff --git a/webrtc/modules/rtp_rtcp/source/H264/rtp_sender_h264.cc b/webrtc/modules/rtp_rtcp/source/H264/rtp_sender_h264.cc
index 1f35526..f121a41 100644
--- a/webrtc/modules/rtp_rtcp/source/H264/rtp_sender_h264.cc
+++ b/webrtc/modules/rtp_rtcp/source/H264/rtp_sender_h264.cc
@@ -36,7 +36,7 @@
 {
 }
 
-WebRtc_Word32
+int32_t
 RTPSenderH264::Init()
 {
     _h264SendPPS_SPS = true;
@@ -71,8 +71,8 @@
 
 bool
 RTPSenderH264::AddH264SVCNALUHeader(const H264_SVC_NALUHeader& svc,
-                                    WebRtc_UWord8* databuffer,
-                                    WebRtc_Word32& curByte) const
+                                    uint8_t* databuffer,
+                                    int32_t& curByte) const
 {
    // +---------------+---------------+---------------+
    // |0|1|2|3|4|5|6|7|0|1|2|3|4|5|6|7|0|1|2|3|4|5|6|7|
@@ -100,14 +100,14 @@
    return true;
 }
 
-WebRtc_Word32
+int32_t
 RTPSenderH264::AddH264PACSINALU(const bool firstPacketInNALU,
                                 const bool lastPacketInNALU,
                                 const H264_PACSI_NALU& pacsi,
                                 const H264_SVC_NALUHeader& svc,
-                                const WebRtc_UWord16 DONC,
-                                WebRtc_UWord8* databuffer,
-                                WebRtc_Word32& curByte) const
+                                const uint16_t DONC,
+                                uint8_t* databuffer,
+                                int32_t& curByte) const
 {
     //  0                   1                   2                   3
     //  0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
@@ -144,7 +144,7 @@
       return 0;
     }
 
-    WebRtc_Word32 startByte = curByte;
+    int32_t startByte = curByte;
 
     // NAL unit header
     databuffer[curByte++] = 30; // NRI will be added later
@@ -166,25 +166,25 @@
     if (pacsi.Y)
     {
         databuffer[curByte++] = pacsi.TL0picIDx;
-        databuffer[curByte++] = (WebRtc_UWord8)(pacsi.IDRpicID >> 8);
-        databuffer[curByte++] = (WebRtc_UWord8)(pacsi.IDRpicID);
+        databuffer[curByte++] = (uint8_t)(pacsi.IDRpicID >> 8);
+        databuffer[curByte++] = (uint8_t)(pacsi.IDRpicID);
     }
     // Decoding order number
     if (addDONC) // pacsi.T
     {
-        databuffer[curByte++] = (WebRtc_UWord8)(DONC >> 8);
-        databuffer[curByte++] = (WebRtc_UWord8)(DONC);
+        databuffer[curByte++] = (uint8_t)(DONC >> 8);
+        databuffer[curByte++] = (uint8_t)(DONC);
     }
 
     // SEI NALU
     if(firstPacketInNALU) // IMPROVEMENT duplicate it to make sure it arrives...
     {
         // we only set this for NALU 0 to make sure we send it only once per frame
-        for (WebRtc_UWord32 i = 0; i < pacsi.numSEINALUs; i++)
+        for (uint32_t i = 0; i < pacsi.numSEINALUs; i++)
         {
             // NALU size
-            databuffer[curByte++] = (WebRtc_UWord8)(pacsi.seiMessageLength[i] >> 8);
-            databuffer[curByte++] = (WebRtc_UWord8)(pacsi.seiMessageLength[i]);
+            databuffer[curByte++] = (uint8_t)(pacsi.seiMessageLength[i] >> 8);
+            databuffer[curByte++] = (uint8_t)(pacsi.seiMessageLength[i]);
 
             // NALU data
             memcpy(databuffer + curByte, pacsi.seiMessageData[i], pacsi.seiMessageLength[i]);
@@ -194,14 +194,14 @@
     return curByte - startByte;
 }
 
-WebRtc_Word32
-RTPSenderH264::SetH264RelaySequenceNumber(const WebRtc_UWord16 seqNum)
+int32_t
+RTPSenderH264::SetH264RelaySequenceNumber(const uint16_t seqNum)
 {
     _h264SVCRelaySequenceNumber = seqNum;
     return 0;
 }
 
-WebRtc_Word32
+int32_t
 RTPSenderH264::SetH264RelayCompleteLayer(const bool complete)
 {
     _h264SVCRelayLayerComplete = complete;
@@ -215,12 +215,12 @@
         access unit is that they shall not precede the first VCL
         NAL unit with the same access unit.
 */
-WebRtc_Word32
+int32_t
 RTPSenderH264::SendH264FillerData(const WebRtcRTPHeader* rtpHeader,
-                                  const WebRtc_UWord16 bytesToSend,
-                                  const WebRtc_UWord32 ssrc)
+                                  const uint16_t bytesToSend,
+                                  const uint32_t ssrc)
 {
-    WebRtc_UWord16 fillerLength = bytesToSend - 12 - 1;
+    uint16_t fillerLength = bytesToSend - 12 - 1;
 
     if (fillerLength > WEBRTC_IP_PACKET_SIZE - 12 - 1)
     {
@@ -234,9 +234,9 @@
     }
 
     // send codec valid data, H.264 has defined data which is binary 1111111
-    WebRtc_UWord8 dataBuffer[WEBRTC_IP_PACKET_SIZE];
+    uint8_t dataBuffer[WEBRTC_IP_PACKET_SIZE];
 
-    dataBuffer[0] = static_cast<WebRtc_UWord8>(0x80);            // version 2
+    dataBuffer[0] = static_cast<uint8_t>(0x80);            // version 2
     dataBuffer[1] = rtpHeader->header.payloadType;
     ModuleRTPUtility::AssignUWord16ToBuffer(dataBuffer+2, _rtpSender.IncrementSequenceNumber()); // get the current SequenceNumber and add by 1 after returning
     ModuleRTPUtility::AssignUWord32ToBuffer(dataBuffer+4, rtpHeader->header.timestamp);
@@ -253,27 +253,27 @@
                         12 + 1);
 }
 
-WebRtc_Word32
-RTPSenderH264::SendH264FillerData(const WebRtc_UWord32 captureTimestamp,
-                                  const WebRtc_UWord8 payloadType,
-                                  const WebRtc_UWord32 bytes
+int32_t
+RTPSenderH264::SendH264FillerData(const uint32_t captureTimestamp,
+                                  const uint8_t payloadType,
+                                  const uint32_t bytes
                                   )
 {
 
-    const WebRtc_UWord16 rtpHeaderLength = _rtpSender.RTPHeaderLength();
-    WebRtc_UWord16 maxLength = _rtpSender.MaxPayloadLength() - FECPacketOverhead() - _rtpSender.RTPHeaderLength();
+    const uint16_t rtpHeaderLength = _rtpSender.RTPHeaderLength();
+    uint16_t maxLength = _rtpSender.MaxPayloadLength() - FECPacketOverhead() - _rtpSender.RTPHeaderLength();
 
-    WebRtc_Word32 bytesToSend=bytes;
-    WebRtc_UWord16 fillerLength=0;
+    int32_t bytesToSend=bytes;
+    uint16_t fillerLength=0;
 
-    WebRtc_UWord8 dataBuffer[WEBRTC_IP_PACKET_SIZE];
+    uint8_t dataBuffer[WEBRTC_IP_PACKET_SIZE];
 
     while(bytesToSend>0)
     {
         fillerLength=maxLength;
         if(fillerLength<maxLength)
         {
-            fillerLength = (WebRtc_UWord16) bytesToSend;
+            fillerLength = (uint16_t) bytesToSend;
         }
 
         bytesToSend-=fillerLength;
@@ -311,14 +311,14 @@
     return 0;
 }
 
-WebRtc_Word32
+int32_t
 RTPSenderH264::SendH264SVCRelayPacket(const WebRtcRTPHeader* rtpHeader,
-                                      const WebRtc_UWord8* incomingRTPPacket,
-                                      const WebRtc_UWord16 incomingRTPPacketSize,
-                                      const WebRtc_UWord32 ssrc,
+                                      const uint8_t* incomingRTPPacket,
+                                      const uint16_t incomingRTPPacketSize,
+                                      const uint32_t ssrc,
                                       const bool higestLayer)
 {
-    if (rtpHeader->header.sequenceNumber != (WebRtc_UWord16)(_h264SVCRelaySequenceNumber + 1))
+    if (rtpHeader->header.sequenceNumber != (uint16_t)(_h264SVCRelaySequenceNumber + 1))
     {
          // not continous, signal loss
          _rtpSender.IncrementSequenceNumber();
@@ -346,7 +346,7 @@
     // we keep the timestap unchanged
     // make a copy and only change the SSRC and seqNum
 
-    WebRtc_UWord8 dataBuffer[WEBRTC_IP_PACKET_SIZE];
+    uint8_t dataBuffer[WEBRTC_IP_PACKET_SIZE];
     memcpy(dataBuffer, incomingRTPPacket, incomingRTPPacketSize);
 
     // _sequenceNumber initiated in Init()
@@ -382,28 +382,28 @@
                          rtpHeader->header.headerLength);
 }
 
-WebRtc_Word32
+int32_t
 RTPSenderH264::SendH264_STAP_A(const FrameType frameType,
                                 const H264Info* ptrH264Info,
-                                WebRtc_UWord16 &idxNALU,
-                                const WebRtc_Word8 payloadType,
-                                const WebRtc_UWord32 captureTimeStamp,
+                                uint16_t &idxNALU,
+                                const int8_t payloadType,
+                                const uint32_t captureTimeStamp,
                                 bool& switchToFUA,
-                                WebRtc_Word32 &payloadBytesToSend,
-                                const WebRtc_UWord8*& data,
-                                const WebRtc_UWord16 rtpHeaderLength)
+                                int32_t &payloadBytesToSend,
+                                const uint8_t*& data,
+                                const uint16_t rtpHeaderLength)
 {
-    const WebRtc_Word32 H264_NALU_LENGTH = 2;
+    const int32_t H264_NALU_LENGTH = 2;
 
-    WebRtc_UWord16 h264HeaderLength = 1; // normal header length
-    WebRtc_UWord16 maxPayloadLengthSTAP_A = _rtpSender.MaxPayloadLength() -
+    uint16_t h264HeaderLength = 1; // normal header length
+    uint16_t maxPayloadLengthSTAP_A = _rtpSender.MaxPayloadLength() -
                                           FECPacketOverhead() - rtpHeaderLength -
                                           h264HeaderLength - H264_NALU_LENGTH;
 
-    WebRtc_Word32 dataOffset = rtpHeaderLength + h264HeaderLength;
-    WebRtc_UWord8 NRI = 0;
-    WebRtc_UWord16 payloadBytesInPacket = 0;
-    WebRtc_UWord8 dataBuffer[WEBRTC_IP_PACKET_SIZE];
+    int32_t dataOffset = rtpHeaderLength + h264HeaderLength;
+    uint8_t NRI = 0;
+    uint16_t payloadBytesInPacket = 0;
+    uint8_t dataBuffer[WEBRTC_IP_PACKET_SIZE];
 
     if (ptrH264Info->payloadSize[idxNALU] > maxPayloadLengthSTAP_A)
     {
@@ -432,15 +432,15 @@
                     NRI = ptrH264Info->NRI[idxNALU];
                 }
                 // put NAL size into packet
-                dataBuffer[dataOffset] = (WebRtc_UWord8)(ptrH264Info->payloadSize[idxNALU] >> 8);
+                dataBuffer[dataOffset] = (uint8_t)(ptrH264Info->payloadSize[idxNALU] >> 8);
                 dataOffset++;
-                dataBuffer[dataOffset] = (WebRtc_UWord8)(ptrH264Info->payloadSize[idxNALU] & 0xff);
+                dataBuffer[dataOffset] = (uint8_t)(ptrH264Info->payloadSize[idxNALU] & 0xff);
                 dataOffset++;
                 // Put payload in packet
                 memcpy(&dataBuffer[dataOffset], &data[ptrH264Info->startCodeSize[idxNALU]], ptrH264Info->payloadSize[idxNALU]);
                 dataOffset += ptrH264Info->payloadSize[idxNALU];
                 data += ptrH264Info->payloadSize[idxNALU] + ptrH264Info->startCodeSize[idxNALU];
-                payloadBytesInPacket += (WebRtc_UWord16)(ptrH264Info->payloadSize[idxNALU] + H264_NALU_LENGTH);
+                payloadBytesInPacket += (uint16_t)(ptrH264Info->payloadSize[idxNALU] + H264_NALU_LENGTH);
                 payloadBytesToSend -= ptrH264Info->payloadSize[idxNALU] + ptrH264Info->startCodeSize[idxNALU];
             } else
             {
@@ -458,7 +458,7 @@
         // add RTP header
         _rtpSender.BuildRTPheader(dataBuffer, payloadType, (payloadBytesToSend==0)?true:false, captureTimeStamp);
         dataBuffer[rtpHeaderLength] = 24 + NRI; // STAP-A == 24
-        WebRtc_UWord16 payloadLength = payloadBytesInPacket + h264HeaderLength;
+        uint16_t payloadLength = payloadBytesInPacket + h264HeaderLength;
 
         if(-1 == SendVideoPacket(frameType, dataBuffer, payloadLength, rtpHeaderLength))
         {
@@ -469,43 +469,43 @@
 } // end STAP-A
 
 // STAP-A for H.264 SVC
-WebRtc_Word32
+int32_t
 RTPSenderH264::SendH264_STAP_A_PACSI(const FrameType frameType,
                                       const H264Info* ptrH264Info,
-                                      WebRtc_UWord16 &idxNALU,
-                                      const WebRtc_Word8 payloadType,
-                                      const WebRtc_UWord32 captureTimeStamp,
+                                      uint16_t &idxNALU,
+                                      const int8_t payloadType,
+                                      const uint32_t captureTimeStamp,
                                       bool& switchToFUA,
-                                      WebRtc_Word32 &payloadBytesToSend,
-                                      const WebRtc_UWord8*& data,
-                                      const WebRtc_UWord16 rtpHeaderLength,
-                                      WebRtc_UWord16& decodingOrderNumber)
+                                      int32_t &payloadBytesToSend,
+                                      const uint8_t*& data,
+                                      const uint16_t rtpHeaderLength,
+                                      uint16_t& decodingOrderNumber)
 {
-    const WebRtc_Word32 H264_NALU_LENGTH = 2;
+    const int32_t H264_NALU_LENGTH = 2;
 
-    WebRtc_UWord16 h264HeaderLength = 1; // normal header length
-    WebRtc_UWord16 maxPayloadLengthSTAP_A = _rtpSender.MaxPayloadLength() - FECPacketOverhead() - rtpHeaderLength - h264HeaderLength - H264_NALU_LENGTH;
-    WebRtc_Word32 dataOffset = rtpHeaderLength + h264HeaderLength;
-    WebRtc_UWord8 NRI = 0;
-    WebRtc_UWord16 payloadBytesInPacket = 0;
-    WebRtc_UWord8 dataBuffer[WEBRTC_IP_PACKET_SIZE];
+    uint16_t h264HeaderLength = 1; // normal header length
+    uint16_t maxPayloadLengthSTAP_A = _rtpSender.MaxPayloadLength() - FECPacketOverhead() - rtpHeaderLength - h264HeaderLength - H264_NALU_LENGTH;
+    int32_t dataOffset = rtpHeaderLength + h264HeaderLength;
+    uint8_t NRI = 0;
+    uint16_t payloadBytesInPacket = 0;
+    uint8_t dataBuffer[WEBRTC_IP_PACKET_SIZE];
     bool firstNALUNotIDR = true; //delta
 
     // Put PACSI NAL unit into packet
-    WebRtc_Word32 lengthPACSI = 0;
-    WebRtc_UWord32 PACSI_NALlength = ptrH264Info->PACSI[idxNALU].NALlength;
+    int32_t lengthPACSI = 0;
+    uint32_t PACSI_NALlength = ptrH264Info->PACSI[idxNALU].NALlength;
     if (PACSI_NALlength > maxPayloadLengthSTAP_A)
     {
         return -1;
     }
-    dataBuffer[dataOffset++] = (WebRtc_UWord8)(PACSI_NALlength >> 8);
-    dataBuffer[dataOffset++] = (WebRtc_UWord8)(PACSI_NALlength & 0xff);
+    dataBuffer[dataOffset++] = (uint8_t)(PACSI_NALlength >> 8);
+    dataBuffer[dataOffset++] = (uint8_t)(PACSI_NALlength & 0xff);
 
     // end bit will be updated later, since another NALU in this packet might be the last
-    WebRtc_Word32 lengthPASCINALU = AddH264PACSINALU(true,
-                                                   false,
-                                                   ptrH264Info->PACSI[idxNALU],
-                                                   ptrH264Info->SVCheader[idxNALU],
+    int32_t lengthPASCINALU = AddH264PACSINALU(true,
+                                               false,
+                                               ptrH264Info->PACSI[idxNALU],
+                                               ptrH264Info->SVCheader[idxNALU],
                            decodingOrderNumber,
                            dataBuffer,
                                                    dataOffset);
@@ -516,7 +516,7 @@
     decodingOrderNumber++;
 
     lengthPACSI = H264_NALU_LENGTH + lengthPASCINALU;
-    maxPayloadLengthSTAP_A -= (WebRtc_UWord16)lengthPACSI;
+    maxPayloadLengthSTAP_A -= (uint16_t)lengthPACSI;
     if (ptrH264Info->payloadSize[idxNALU] > maxPayloadLengthSTAP_A)
     {
         // we need to fragment NAL switch to mode FU-A
@@ -528,7 +528,7 @@
         firstNALUNotIDR = true;
     }
 
-    WebRtc_UWord32 layer = (ptrH264Info->SVCheader[idxNALU].dependencyID << 16)+
+    uint32_t layer = (ptrH264Info->SVCheader[idxNALU].dependencyID << 16)+
                          (ptrH264Info->SVCheader[idxNALU].qualityID << 8) +
                           ptrH264Info->SVCheader[idxNALU].temporalID;
 
@@ -560,7 +560,7 @@
                 continue;
             }
 
-            const WebRtc_UWord32 layerNALU = (ptrH264Info->SVCheader[idxNALU].dependencyID << 16)+
+            const uint32_t layerNALU = (ptrH264Info->SVCheader[idxNALU].dependencyID << 16)+
                                            (ptrH264Info->SVCheader[idxNALU].qualityID << 8) +
                                             ptrH264Info->SVCheader[idxNALU].temporalID;
 
@@ -573,15 +573,15 @@
                     NRI = ptrH264Info->NRI[idxNALU];
                 }
                 // put NAL size into packet
-                dataBuffer[dataOffset] = (WebRtc_UWord8)(ptrH264Info->payloadSize[idxNALU] >> 8);
+                dataBuffer[dataOffset] = (uint8_t)(ptrH264Info->payloadSize[idxNALU] >> 8);
                 dataOffset++;
-                dataBuffer[dataOffset] = (WebRtc_UWord8)(ptrH264Info->payloadSize[idxNALU] & 0xff);
+                dataBuffer[dataOffset] = (uint8_t)(ptrH264Info->payloadSize[idxNALU] & 0xff);
                 dataOffset++;
                 // Put payload in packet
                 memcpy(&dataBuffer[dataOffset], &data[ptrH264Info->startCodeSize[idxNALU]], ptrH264Info->payloadSize[idxNALU]);
                 dataOffset += ptrH264Info->payloadSize[idxNALU];
                 data += ptrH264Info->payloadSize[idxNALU] + ptrH264Info->startCodeSize[idxNALU];
-                payloadBytesInPacket += (WebRtc_UWord16)(ptrH264Info->payloadSize[idxNALU] + H264_NALU_LENGTH);
+                payloadBytesInPacket += (uint16_t)(ptrH264Info->payloadSize[idxNALU] + H264_NALU_LENGTH);
                 payloadBytesToSend -= ptrH264Info->payloadSize[idxNALU] + ptrH264Info->startCodeSize[idxNALU];
             } else
             {
@@ -595,7 +595,7 @@
                 {
                     // we don't send this NALU due to it's a new layer
                     // check if we should send the next or if this is the last
-                    const WebRtc_UWord8 dependencyQualityID = (ptrH264Info->SVCheader[idxNALU].dependencyID << 4) + ptrH264Info->SVCheader[idxNALU].qualityID;
+                    const uint8_t dependencyQualityID = (ptrH264Info->SVCheader[idxNALU].dependencyID << 4) + ptrH264Info->SVCheader[idxNALU].qualityID;
 
                     bool highestLayer;
                     if(SendH264SVCLayer(frameType,
@@ -649,7 +649,7 @@
                 dataBuffer[rtpHeaderLength + H264_NALU_LENGTH + 2] |= 0x40;
             }
         }
-        const WebRtc_UWord16 payloadLength = payloadBytesInPacket + h264HeaderLength + (WebRtc_UWord16)lengthPACSI;
+        const uint16_t payloadLength = payloadBytesInPacket + h264HeaderLength + (uint16_t)lengthPACSI;
         if(-1 == SendVideoPacket(frameType,
                                  dataBuffer,
                                  payloadLength,
@@ -662,30 +662,30 @@
     return 0;
 } // end STAP-A
 
-WebRtc_Word32
+int32_t
 RTPSenderH264::SendH264_FU_A(const FrameType frameType,
                               const H264Info* ptrH264Info,
-                              WebRtc_UWord16 &idxNALU,
-                              const WebRtc_Word8 payloadType,
-                              const WebRtc_UWord32 captureTimeStamp,
-                              WebRtc_Word32 &payloadBytesToSend,
-                              const WebRtc_UWord8*& data,
-                              const WebRtc_UWord16 rtpHeaderLength,
-                              WebRtc_UWord16& decodingOrderNumber,
+                              uint16_t &idxNALU,
+                              const int8_t payloadType,
+                              const uint32_t captureTimeStamp,
+                              int32_t &payloadBytesToSend,
+                              const uint8_t*& data,
+                              const uint16_t rtpHeaderLength,
+                              uint16_t& decodingOrderNumber,
                               const bool sendSVCPACSI)
 {
 
     // FUA for the rest of the frame
-    WebRtc_UWord16 maxPayloadLength = _rtpSender.MaxPayloadLength() - FECPacketOverhead() - rtpHeaderLength;
-    WebRtc_UWord8 dataBuffer[WEBRTC_IP_PACKET_SIZE];
-    WebRtc_UWord32 payloadBytesRemainingInNALU = ptrH264Info->payloadSize[idxNALU];
+    uint16_t maxPayloadLength = _rtpSender.MaxPayloadLength() - FECPacketOverhead() - rtpHeaderLength;
+    uint8_t dataBuffer[WEBRTC_IP_PACKET_SIZE];
+    uint32_t payloadBytesRemainingInNALU = ptrH264Info->payloadSize[idxNALU];
 
     bool isBaseLayer=false;
 
     if(payloadBytesRemainingInNALU > maxPayloadLength)
     {
         // we need to fragment NALU
-        const WebRtc_UWord16 H264_FUA_LENGTH = 2; // FU-a H.264 header is 2 bytes
+        const uint16_t H264_FUA_LENGTH = 2; // FU-a H.264 header is 2 bytes
 
         if(sendSVCPACSI)
         {
@@ -697,7 +697,7 @@
                                  true,
                                  false);
 
-            WebRtc_UWord32 layer = (ptrH264Info->SVCheader[idxNALU].dependencyID << 16)+
+            uint32_t layer = (ptrH264Info->SVCheader[idxNALU].dependencyID << 16)+
                                  (ptrH264Info->SVCheader[idxNALU].qualityID << 8) +
                                   ptrH264Info->SVCheader[idxNALU].temporalID;
             isBaseLayer=(layer==0);
@@ -706,13 +706,13 @@
         // First packet
         _rtpSender.BuildRTPheader(dataBuffer,payloadType, false, captureTimeStamp);
 
-        WebRtc_UWord16 maxPayloadLengthFU_A = maxPayloadLength - H264_FUA_LENGTH ;
-        WebRtc_UWord8 fuaIndc = 28 + ptrH264Info->NRI[idxNALU];
+        uint16_t maxPayloadLengthFU_A = maxPayloadLength - H264_FUA_LENGTH ;
+        uint8_t fuaIndc = 28 + ptrH264Info->NRI[idxNALU];
         dataBuffer[rtpHeaderLength] = fuaIndc;                                                     // FU-A indicator
-        dataBuffer[rtpHeaderLength+1] = (WebRtc_UWord8)(ptrH264Info->type[idxNALU] + 0x80)/*start*/; // FU-A header
+        dataBuffer[rtpHeaderLength+1] = (uint8_t)(ptrH264Info->type[idxNALU] + 0x80)/*start*/; // FU-A header
 
         memcpy(&dataBuffer[rtpHeaderLength + H264_FUA_LENGTH], &data[ptrH264Info->startCodeSize[idxNALU]+1], maxPayloadLengthFU_A);
-        WebRtc_UWord16 payloadLength = maxPayloadLengthFU_A + H264_FUA_LENGTH;
+        uint16_t payloadLength = maxPayloadLengthFU_A + H264_FUA_LENGTH;
         if(-1 == SendVideoPacket(frameType, dataBuffer, payloadLength, rtpHeaderLength, isBaseLayer))
         {
             return -1;
@@ -740,7 +740,7 @@
             // prepare next header
             _rtpSender.BuildRTPheader(dataBuffer, payloadType, false, captureTimeStamp);
 
-            dataBuffer[rtpHeaderLength] = (WebRtc_UWord8)fuaIndc;           // FU-A indicator
+            dataBuffer[rtpHeaderLength] = (uint8_t)fuaIndc;           // FU-A indicator
             dataBuffer[rtpHeaderLength+1] = ptrH264Info->type[idxNALU];   // FU-A header
 
             memcpy(&dataBuffer[rtpHeaderLength+H264_FUA_LENGTH], data, maxPayloadLengthFU_A);
@@ -772,7 +772,7 @@
                 // check if it's the the next layer should not be sent
 
                 // check if we should send the next or if this is the last
-                const WebRtc_UWord8 dependencyQualityID = (ptrH264Info->SVCheader[idxNALU+1].dependencyID << 4) +
+                const uint8_t dependencyQualityID = (ptrH264Info->SVCheader[idxNALU+1].dependencyID << 4) +
                                                          ptrH264Info->SVCheader[idxNALU+1].qualityID;
 
                 bool highestLayer;
@@ -787,11 +787,11 @@
             }
         }
         // last packet in NALU
-        _rtpSender.BuildRTPheader(dataBuffer, payloadType,(payloadBytesToSend == (WebRtc_Word32)payloadBytesRemainingInNALU)?true:false, captureTimeStamp);
+        _rtpSender.BuildRTPheader(dataBuffer, payloadType,(payloadBytesToSend == (int32_t)payloadBytesRemainingInNALU)?true:false, captureTimeStamp);
         dataBuffer[rtpHeaderLength+1] = ptrH264Info->type[idxNALU] + 0x40/*stop*/; // FU-A header
 
         memcpy(&dataBuffer[rtpHeaderLength+H264_FUA_LENGTH], data, payloadBytesRemainingInNALU);
-        payloadLength = (WebRtc_UWord16)payloadBytesRemainingInNALU + H264_FUA_LENGTH;
+        payloadLength = (uint16_t)payloadBytesRemainingInNALU + H264_FUA_LENGTH;
         payloadBytesToSend -= payloadBytesRemainingInNALU;
         if(payloadBytesToSend != 0)
         {
@@ -819,22 +819,22 @@
     return 0;
 }
 
-WebRtc_Word32
+int32_t
 RTPSenderH264::SendH264_SingleMode(const FrameType frameType,
                                     const H264Info* ptrH264Info,
-                                    WebRtc_UWord16 &idxNALU,
-                                    const WebRtc_Word8 payloadType,
-                                    const WebRtc_UWord32 captureTimeStamp,
-                                    WebRtc_Word32 &payloadBytesToSend,
-                                    const WebRtc_UWord8*& data,
-                                    const WebRtc_UWord16 rtpHeaderLength,
-                                    WebRtc_UWord16& decodingOrderNumber,
+                                    uint16_t &idxNALU,
+                                    const int8_t payloadType,
+                                    const uint32_t captureTimeStamp,
+                                    int32_t &payloadBytesToSend,
+                                    const uint8_t*& data,
+                                    const uint16_t rtpHeaderLength,
+                                    uint16_t& decodingOrderNumber,
                                     const bool sendSVCPACSI)
 {
     // no H.264 header lenght in single mode
     // we use WEBRTC_IP_PACKET_SIZE instead of the configured MTU since it's better to send fragmented UDP than not to send
-    const WebRtc_UWord16 maxPayloadLength = WEBRTC_IP_PACKET_SIZE - _rtpSender.PacketOverHead() - FECPacketOverhead() - rtpHeaderLength;
-    WebRtc_UWord8 dataBuffer[WEBRTC_IP_PACKET_SIZE];
+    const uint16_t maxPayloadLength = WEBRTC_IP_PACKET_SIZE - _rtpSender.PacketOverHead() - FECPacketOverhead() - rtpHeaderLength;
+    uint8_t dataBuffer[WEBRTC_IP_PACKET_SIZE];
     bool isBaseLayer=false;
 
     if(ptrH264Info->payloadSize[idxNALU] > maxPayloadLength)
@@ -862,7 +862,7 @@
                              true,
                              true);
 
-        WebRtc_UWord32 layer = (ptrH264Info->SVCheader[idxNALU].dependencyID << 16)+
+        uint32_t layer = (ptrH264Info->SVCheader[idxNALU].dependencyID << 16)+
                              (ptrH264Info->SVCheader[idxNALU].qualityID << 8) +
                               ptrH264Info->SVCheader[idxNALU].temporalID;
         isBaseLayer=(layer==0);
@@ -871,7 +871,7 @@
     // Put payload in packet
     memcpy(&dataBuffer[rtpHeaderLength], &data[ptrH264Info->startCodeSize[idxNALU]], ptrH264Info->payloadSize[idxNALU]);
 
-    WebRtc_UWord16 payloadBytesInPacket = (WebRtc_UWord16)ptrH264Info->payloadSize[idxNALU];
+    uint16_t payloadBytesInPacket = (uint16_t)ptrH264Info->payloadSize[idxNALU];
     payloadBytesToSend -= ptrH264Info->payloadSize[idxNALU] + ptrH264Info->startCodeSize[idxNALU]; // left to send
 
     //
@@ -891,27 +891,27 @@
     return 0;
 }
 
-WebRtc_Word32
+int32_t
 RTPSenderH264::SendH264_SinglePACSI(const FrameType frameType,
                                     const H264Info* ptrH264Info,
-                                     const WebRtc_UWord16 idxNALU,
-                                     const WebRtc_Word8 payloadType,
-                                     const WebRtc_UWord32 captureTimeStamp,
+                                     const uint16_t idxNALU,
+                                     const int8_t payloadType,
+                                     const uint32_t captureTimeStamp,
                                      const bool firstPacketInNALU,
                                      const bool lastPacketInNALU);
 {
     // Send PACSI in single mode
-    WebRtc_UWord8 dataBuffer[WEBRTC_IP_PACKET_SIZE];
-    WebRtc_UWord16 rtpHeaderLength = (WebRtc_UWord16)_rtpSender.BuildRTPheader(dataBuffer, payloadType,false, captureTimeStamp);
-    WebRtc_Word32 dataOffset = rtpHeaderLength;
+    uint8_t dataBuffer[WEBRTC_IP_PACKET_SIZE];
+    uint16_t rtpHeaderLength = (uint16_t)_rtpSender.BuildRTPheader(dataBuffer, payloadType,false, captureTimeStamp);
+    int32_t dataOffset = rtpHeaderLength;
 
-    WebRtc_Word32 lengthPASCINALU = AddH264PACSINALU(firstPacketInNALU,
-                                                   lastPacketInNALU,
-                                                   ptrH264Info->PACSI[idxNALU],
-                                                   ptrH264Info->SVCheader[idxNALU],
-                                                   decodingOrderNumber,
-                                                   dataBuffer,
-                                                   dataOffset);
+    int32_t lengthPASCINALU = AddH264PACSINALU(firstPacketInNALU,
+                                               lastPacketInNALU,
+                                               ptrH264Info->PACSI[idxNALU],
+                                               ptrH264Info->SVCheader[idxNALU],
+                                               decodingOrderNumber,
+                                               dataBuffer,
+                                               dataOffset);
 
     if (lengthPASCINALU <= 0)
     {
@@ -919,13 +919,13 @@
     }
     decodingOrderNumber++;
 
-    WebRtc_UWord16 payloadBytesInPacket = (WebRtc_UWord16)lengthPASCINALU;
+    uint16_t payloadBytesInPacket = (uint16_t)lengthPASCINALU;
 
     // Set payload header (first payload byte co-serves as the payload header)
     dataBuffer[rtpHeaderLength] &= 0x1f;        // zero out NRI field
     dataBuffer[rtpHeaderLength] |= ptrH264Info->NRI[idxNALU]; // nri
 
-    const WebRtc_UWord32 layer = (ptrH264Info->SVCheader[idxNALU].dependencyID << 16)+
+    const uint32_t layer = (ptrH264Info->SVCheader[idxNALU].dependencyID << 16)+
                                (ptrH264Info->SVCheader[idxNALU].qualityID << 8) +
                                 ptrH264Info->SVCheader[idxNALU].temporalID;
 
@@ -939,17 +939,17 @@
 
 
 
-WebRtc_Word32
+int32_t
 RTPSenderH264::SendH264SVC(const FrameType frameType,
-                            const WebRtc_Word8 payloadType,
-                            const WebRtc_UWord32 captureTimeStamp,
-                            const WebRtc_UWord8* payloadData,
-                            const WebRtc_UWord32 payloadSize,
+                            const int8_t payloadType,
+                            const uint32_t captureTimeStamp,
+                            const uint8_t* payloadData,
+                            const uint32_t payloadSize,
                             H264Information& h264Information,
-                            WebRtc_UWord16& decodingOrderNumber)
+                            uint16_t& decodingOrderNumber)
 {
-    WebRtc_Word32 payloadBytesToSend = payloadSize;
-    const WebRtc_UWord16 rtpHeaderLength = _rtpSender.RTPHeaderLength();
+    int32_t payloadBytesToSend = payloadSize;
+    const uint16_t rtpHeaderLength = _rtpSender.RTPHeaderLength();
 
     const H264Info* ptrH264Info = NULL;
     if (h264Information.GetInfo(payloadData,payloadSize, ptrH264Info) == -1)
@@ -960,7 +960,7 @@
     {
         // we need to check if we should drop the frame
         // it could be a temporal layer (aka a temporal frame)
-        const WebRtc_UWord8 dependencyQualityID = (ptrH264Info->SVCheader[0].dependencyID << 4) + ptrH264Info->SVCheader[0].qualityID;
+        const uint8_t dependencyQualityID = (ptrH264Info->SVCheader[0].dependencyID << 4) + ptrH264Info->SVCheader[0].qualityID;
 
         bool dummyHighestLayer;
         if(SendH264SVCLayer(frameType,
@@ -973,7 +973,7 @@
         }
     }
 
-    WebRtc_UWord16 idxNALU = 0;
+    uint16_t idxNALU = 0;
     while (payloadBytesToSend > 0)
     {
         bool switchToFUA = false;
@@ -1010,14 +1010,14 @@
     return 0;
 }
 
-WebRtc_Word32
+int32_t
 RTPSenderH264::SetH264PacketizationMode(const H264PacketizationMode mode)
 {
     _h264Mode = mode;
     return 0;
 }
 
-WebRtc_Word32
+int32_t
 RTPSenderH264::SetH264SendModeNALU_PPS_SPS(const bool dontSend)
 {
     _h264SendPPS_SPS = !dontSend;
@@ -1026,11 +1026,11 @@
 
 bool
 RTPSenderH264::SendH264SVCLayer(const FrameType frameType,
-                                  const WebRtc_UWord8 temporalID,
-                                  const WebRtc_UWord8 dependencyQualityID,
+                                  const uint8_t temporalID,
+                                  const uint8_t dependencyQualityID,
                                   bool& higestLayer)
 {
-    WebRtc_UWord8 dependencyID  = dependencyQualityID >> 4;
+    uint8_t dependencyID  = dependencyQualityID >> 4;
 
     // keyframe required to switch between dependency layers not quality and temporal
     if( _highestDependencyLayer != _highestDependencyLayerOld)
@@ -1146,11 +1146,11 @@
     return true;
 }
 
-WebRtc_Word32
-RTPSenderH264::SetHighestSendLayer(const WebRtc_UWord8 dependencyQualityLayer,
-                                   const WebRtc_UWord8 temporalLayer)
+int32_t
+RTPSenderH264::SetHighestSendLayer(const uint8_t dependencyQualityLayer,
+                                   const uint8_t temporalLayer)
 {
-    const WebRtc_UWord8 dependencyLayer = (dependencyQualityLayer >> 4);
+    const uint8_t dependencyLayer = (dependencyQualityLayer >> 4);
 
     if(_highestDependencyLayerOld != _highestDependencyLayer)
     {
@@ -1175,9 +1175,9 @@
     return 0;
 }
 
-WebRtc_Word32
-RTPSenderH264::HighestSendLayer(WebRtc_UWord8& dependencyQualityLayer,
-                                WebRtc_UWord8& temporalLayer)
+int32_t
+RTPSenderH264::HighestSendLayer(uint8_t& dependencyQualityLayer,
+                                uint8_t& temporalLayer)
 {
     if (!_useHighestSendLayer)
     {
@@ -1191,26 +1191,26 @@
 /*
 *   H.264
 */
-WebRtc_Word32
+int32_t
 RTPSenderH264::SendH264(const FrameType frameType,
-                        const WebRtc_Word8 payloadType,
-                        const WebRtc_UWord32 captureTimeStamp,
-                        const WebRtc_UWord8* payloadData,
-                        const WebRtc_UWord32 payloadSize,
+                        const int8_t payloadType,
+                        const uint32_t captureTimeStamp,
+                        const uint8_t* payloadData,
+                        const uint32_t payloadSize,
                         H264Information& h264Information)
 {
-    WebRtc_Word32 payloadBytesToSend = payloadSize;
-    const WebRtc_UWord8* data = payloadData;
+    int32_t payloadBytesToSend = payloadSize;
+    const uint8_t* data = payloadData;
     bool switchToFUA = false;
-    const WebRtc_UWord16 rtpHeaderLength = _rtpSender.RTPHeaderLength();
+    const uint16_t rtpHeaderLength = _rtpSender.RTPHeaderLength();
 
     const H264Info* ptrH264Info = NULL;
     if (h264Information.GetInfo(payloadData,payloadSize, ptrH264Info) == -1)
     {
         return -1;
     }
-    WebRtc_UWord16 idxNALU = 0;
-    WebRtc_UWord16 DONCdummy = 0;
+    uint16_t idxNALU = 0;
+    uint16_t DONCdummy = 0;
 
     while (payloadBytesToSend > 0)
     {
diff --git a/webrtc/modules/rtp_rtcp/source/H264/rtp_sender_h264.h b/webrtc/modules/rtp_rtcp/source/H264/rtp_sender_h264.h
index 564b870..60e71b2 100644
--- a/webrtc/modules/rtp_rtcp/source/H264/rtp_sender_h264.h
+++ b/webrtc/modules/rtp_rtcp/source/H264/rtp_sender_h264.h
@@ -22,154 +22,154 @@
 class RTPSenderH264
 {
 public:
-    WebRtc_Word32 SendH264(const FrameType frameType,
-                  const WebRtc_Word8 payloadType,
-                          const WebRtc_UWord32 captureTimeStamp,
-                          const WebRtc_UWord8* payloadData,
-                          const WebRtc_UWord32 payloadSize,
-                          H264Information& h264Information);
+    int32_t SendH264(const FrameType frameType,
+                     const int8_t payloadType,
+                     const uint32_t captureTimeStamp,
+                     const uint8_t* payloadData,
+                     const uint32_t payloadSize,
+                     H264Information& h264Information);
 
-    WebRtc_Word32 SendH264SVC(const FrameType frameType,
-                              const WebRtc_Word8 payloadType,
-                              const WebRtc_UWord32 captureTimeStamp,
-                              const WebRtc_UWord8* payloadData,
-                              const WebRtc_UWord32 payloadSize,
-                              H264Information& h264Information);
+    int32_t SendH264SVC(const FrameType frameType,
+                        const int8_t payloadType,
+                        const uint32_t captureTimeStamp,
+                        const uint8_t* payloadData,
+                        const uint32_t payloadSize,
+                        H264Information& h264Information);
 
     // H.264 AVC
-    WebRtc_Word32 SetH264PacketizationMode(const H264PacketizationMode mode);
+    int32_t SetH264PacketizationMode(const H264PacketizationMode mode);
 
-    WebRtc_Word32 SetH264SendModeNALU_PPS_SPS(const bool dontSend);
+    int32_t SetH264SendModeNALU_PPS_SPS(const bool dontSend);
 
     // H.264 SVC
-    WebRtc_Word32 SetHighestSendLayer(const WebRtc_UWord8 dependencyQualityLayer,
-                                    const WebRtc_UWord8 temporalLayer);
+    int32_t SetHighestSendLayer(const uint8_t dependencyQualityLayer,
+                                const uint8_t temporalLayer);
 
-    WebRtc_Word32 HighestSendLayer(WebRtc_UWord8& dependencyQualityLayer,
-                                 WebRtc_UWord8& temporalLayer);
+    int32_t HighestSendLayer(uint8_t& dependencyQualityLayer,
+                             uint8_t& temporalLayer);
 
 protected:
     RTPSenderH264(RTPSenderInterface* rtpSender);
     virtual ~RTPSenderH264();
 
-    WebRtc_Word32 Init();
+    int32_t Init();
 
-    virtual WebRtc_UWord16 FECPacketOverhead() const = 0;
+    virtual uint16_t FECPacketOverhead() const = 0;
     virtual RtpVideoCodecTypes VideoCodecType() const = 0;
 
-    virtual WebRtc_Word32 SendVideoPacket(const FrameType frameType,
-                                        const WebRtc_UWord8* dataBuffer,
-                                        const WebRtc_UWord16 payloadLength,
-                                        const WebRtc_UWord16 rtpHeaderLength,
-                                        bool baseLayerVideoPacket=false) = 0;
+    virtual int32_t SendVideoPacket(const FrameType frameType,
+                                   const uint8_t* dataBuffer,
+                                   const uint16_t payloadLength,
+                                   const uint16_t rtpHeaderLength,
+                                   bool baseLayerVideoPacket=false) = 0;
 
 
     bool SendH264SVCLayer(const FrameType frameType,
-                          const WebRtc_UWord8 temporalID,
-                          const WebRtc_UWord8 dependencyQualityID,
+                          const uint8_t temporalID,
+                          const uint8_t dependencyQualityID,
                           bool& higestLayer);
 
     // H.264 SVC
-    WebRtc_Word32 AddH264PACSINALU(const bool firstPacketInNALU,
-                                 const bool lastPacketInNALU,
-                                 const H264_PACSI_NALU& paci,
-                                 const H264_SVC_NALUHeader& svc,
-                                 const WebRtc_UWord16 DONC,
-                                 WebRtc_UWord8* databuffer,
-                                 WebRtc_Word32& curByte) const;
+    int32_t AddH264PACSINALU(const bool firstPacketInNALU,
+                             const bool lastPacketInNALU,
+                             const H264_PACSI_NALU& paci,
+                             const H264_SVC_NALUHeader& svc,
+                             const uint16_t DONC,
+                             uint8_t* databuffer,
+                             int32_t& curByte) const;
 
-    WebRtc_Word32 SendH264FillerData(const WebRtcRTPHeader* rtpHeader,
-                                   const WebRtc_UWord16 bytesToSend,
-                                   const WebRtc_UWord32 ssrc);
+    int32_t SendH264FillerData(const WebRtcRTPHeader* rtpHeader,
+                              const uint16_t bytesToSend,
+                              const uint32_t ssrc);
 
-    WebRtc_Word32 SendH264FillerData(const WebRtc_UWord32 captureTimestamp,
-                                   const WebRtc_UWord8 payloadType,
-                                   const WebRtc_UWord32 bytesToSend);
+    int32_t SendH264FillerData(const uint32_t captureTimestamp,
+                               const uint8_t payloadType,
+                               const uint32_t bytesToSend);
 
-    WebRtc_Word32 SendH264SVCRelayPacket(const WebRtcRTPHeader* rtpHeader,
-                                       const WebRtc_UWord8* incomingRTPPacket,
-                                       const WebRtc_UWord16 incomingRTPPacketSize,
-                                       const WebRtc_UWord32 ssrc,
-                                       const bool higestLayer);
+    int32_t SendH264SVCRelayPacket(const WebRtcRTPHeader* rtpHeader,
+                                   const uint8_t* incomingRTPPacket,
+                                   const uint16_t incomingRTPPacketSize,
+                                   const uint32_t ssrc,
+                                   const bool higestLayer);
 
-    WebRtc_Word32 SetH264RelaySequenceNumber(const WebRtc_UWord16 seqNum);
+    int32_t SetH264RelaySequenceNumber(const uint16_t seqNum);
 
-    WebRtc_Word32 SetH264RelayCompleteLayer(const bool complete);
+    int32_t SetH264RelayCompleteLayer(const bool complete);
 
     // H.264
     H264PacketizationMode _h264Mode;
     bool                      _h264SendPPS_SPS;
 
     // H.264-SVC
-    WebRtc_Word8                _h264SVCPayloadType;
-    WebRtc_UWord16              _h264SVCRelaySequenceNumber;
-    WebRtc_UWord32              _h264SVCRelayTimeStamp;
+    int8_t                _h264SVCPayloadType;
+    uint16_t              _h264SVCRelaySequenceNumber;
+    uint32_t              _h264SVCRelayTimeStamp;
     bool                      _h264SVCRelayLayerComplete;
 
 
 private:
     // H.264
-    WebRtc_Word32 SendH264_SingleMode(const FrameType frameType,
+    int32_t SendH264_SingleMode(const FrameType frameType,
                                 const H264Info* ptrH264Info,
-                                    WebRtc_UWord16 &idxNALU,
-                                    const WebRtc_Word8 payloadType,
-                                    const WebRtc_UWord32 captureTimeStamp,
-                                    WebRtc_Word32 &payloadBytesToSend,
-                                    const WebRtc_UWord8*& data,
-                                    const WebRtc_UWord16 rtpHeaderLength,
-                                    const bool sendSVCPACSI=false);
+                                uint16_t &idxNALU,
+                                const int8_t payloadType,
+                                const uint32_t captureTimeStamp,
+                                int32_t &payloadBytesToSend,
+                                const uint8_t*& data,
+                                const uint16_t rtpHeaderLength,
+                                const bool sendSVCPACSI=false);
 
-    WebRtc_Word32 SendH264_FU_A(const FrameType frameType,
-                              const H264Info* ptrH264Info,
-                              WebRtc_UWord16 &idxNALU,
-                              const WebRtc_Word8 payloadType,
-                              const WebRtc_UWord32 captureTimeStamp,
-                              WebRtc_Word32 &payloadBytesToSend,
-                              const WebRtc_UWord8*& data,
-                              const WebRtc_UWord16 rtpHeaderLength,
-                              const bool sendSVCPACSI = false);
+    int32_t SendH264_FU_A(const FrameType frameType,
+                          const H264Info* ptrH264Info,
+                          uint16_t &idxNALU,
+                          const int8_t payloadType,
+                          const uint32_t captureTimeStamp,
+                          int32_t &payloadBytesToSend,
+                          const uint8_t*& data,
+                          const uint16_t rtpHeaderLength,
+                          const bool sendSVCPACSI = false);
 
-    WebRtc_Word32 SendH264_STAP_A(const FrameType frameType,
+    int32_t SendH264_STAP_A(const FrameType frameType,
                             const H264Info* ptrH264Info,
-                                WebRtc_UWord16 &idxNALU,
-                                const WebRtc_Word8 payloadType,
-                                const WebRtc_UWord32 captureTimeStamp,
-                                bool& switchToFUA,
-                                WebRtc_Word32 &payloadBytesToSend,
-                                const WebRtc_UWord8*& data,
-                                const WebRtc_UWord16 rtpHeaderLength);
+                            uint16_t &idxNALU,
+                            const int8_t payloadType,
+                            const uint32_t captureTimeStamp,
+                            bool& switchToFUA,
+                            int32_t &payloadBytesToSend,
+                            const uint8_t*& data,
+                            const uint16_t rtpHeaderLength);
 
-    WebRtc_Word32 SendH264_STAP_A_PACSI(const FrameType frameType,
-                                      const H264Info* ptrH264Info,
-                                      WebRtc_UWord16 &idxNALU,
-                                      const WebRtc_Word8 payloadType,
-                                      const WebRtc_UWord32 captureTimeStamp,
-                                      bool& switchToFUA,
-                                      WebRtc_Word32 &payloadBytesToSend,
-                                      const WebRtc_UWord8*& data,
-                                      const WebRtc_UWord16 rtpHeaderLengh)
+    int32_t SendH264_STAP_A_PACSI(const FrameType frameType,
+                                  const H264Info* ptrH264Info,
+                                  uint16_t &idxNALU,
+                                  const int8_t payloadType,
+                                  const uint32_t captureTimeStamp,
+                                  bool& switchToFUA,
+                                  int32_t &payloadBytesToSend,
+                                  const uint8_t*& data,
+                                  const uint16_t rtpHeaderLengh)
 
-    WebRtc_Word32 SendH264_SinglePACSI(const FrameType frameType,
+    int32_t SendH264_SinglePACSI(const FrameType frameType,
                                  const H264Info* ptrH264Info,
-                                     const WebRtc_UWord16 idxNALU,
-                                     const WebRtc_Word8 payloadType,
-                                     const WebRtc_UWord32 captureTimeStamp,
-                                     const bool firstPacketInNALU,
-                                     const bool lastPacketInNALU);
+                                 const uint16_t idxNALU,
+                                 const int8_t payloadType,
+                                 const uint32_t captureTimeStamp,
+                                 const bool firstPacketInNALU,
+                                 const bool lastPacketInNALU);
 
     bool AddH264SVCNALUHeader(const H264_SVC_NALUHeader& svc,
-                              WebRtc_UWord8* databuffer,
-                              WebRtc_Word32& curByte) const;
+                              uint8_t* databuffer,
+                              int32_t& curByte) const;
 
     RTPSenderInterface&        _rtpSender;
 
     // relay
     bool                    _useHighestSendLayer;
-    WebRtc_UWord8             _highestDependencyLayerOld;
-    WebRtc_UWord8             _highestDependencyQualityIDOld;
-    WebRtc_UWord8             _highestDependencyLayer;
-    WebRtc_UWord8             _highestDependencyQualityID;
-    WebRtc_UWord8             _highestTemporalLayer;
+    uint8_t             _highestDependencyLayerOld;
+    uint8_t             _highestDependencyQualityIDOld;
+    uint8_t             _highestDependencyLayer;
+    uint8_t             _highestDependencyQualityID;
+    uint8_t             _highestTemporalLayer;
 
 
 };
diff --git a/webrtc/modules/rtp_rtcp/source/bitrate.cc b/webrtc/modules/rtp_rtcp/source/bitrate.cc
index 69601d2..e3995ad 100644
--- a/webrtc/modules/rtp_rtcp/source/bitrate.cc
+++ b/webrtc/modules/rtp_rtcp/source/bitrate.cc
@@ -27,40 +27,40 @@
   memset(bitrate_array_, 0, sizeof(bitrate_array_));
 }
 
-void Bitrate::Update(const WebRtc_Word32 bytes) {
+void Bitrate::Update(const int32_t bytes) {
   bytes_count_ += bytes;
   packet_count_++;
 }
 
-WebRtc_UWord32 Bitrate::PacketRate() const {
+uint32_t Bitrate::PacketRate() const {
   return packet_rate_;
 }
 
-WebRtc_UWord32 Bitrate::BitrateLast() const {
+uint32_t Bitrate::BitrateLast() const {
   return bitrate_;
 }
 
-WebRtc_UWord32 Bitrate::BitrateNow() const {
-  WebRtc_Word64 now = clock_->TimeInMilliseconds();
-  WebRtc_Word64 diff_ms = now - time_last_rate_update_;
+uint32_t Bitrate::BitrateNow() const {
+  int64_t now = clock_->TimeInMilliseconds();
+  int64_t diff_ms = now - time_last_rate_update_;
 
   if (diff_ms > 10000) {  // 10 seconds.
     // Too high difference, ignore.
     return bitrate_;
   }
-  WebRtc_Word64 bits_since_last_rate_update = 8 * bytes_count_ * 1000;
+  int64_t bits_since_last_rate_update = 8 * bytes_count_ * 1000;
 
   // We have to consider the time when the measurement was done:
   // ((bits/sec * sec) + (bits)) / sec.
-  WebRtc_Word64 bitrate = (static_cast<WebRtc_UWord64>(bitrate_) * 1000 +
+  int64_t bitrate = (static_cast<uint64_t>(bitrate_) * 1000 +
                            bits_since_last_rate_update) / (1000 + diff_ms);
-  return static_cast<WebRtc_UWord32>(bitrate);
+  return static_cast<uint32_t>(bitrate);
 }
 
 void Bitrate::Process() {
   // Triggered by timer.
-  WebRtc_Word64 now = clock_->TimeInMilliseconds();
-  WebRtc_Word64 diff_ms = now - time_last_rate_update_;
+  int64_t now = clock_->TimeInMilliseconds();
+  int64_t diff_ms = now - time_last_rate_update_;
 
   if (diff_ms < 100) {
     // Not enough data, wait...
@@ -80,9 +80,9 @@
   if (bitrate_next_idx_ >= 10) {
     bitrate_next_idx_ = 0;
   }
-  WebRtc_Word64 sum_diffMS = 0;
-  WebRtc_Word64 sum_bitrateMS = 0;
-  WebRtc_Word64 sum_packetrateMS = 0;
+  int64_t sum_diffMS = 0;
+  int64_t sum_bitrateMS = 0;
+  int64_t sum_packetrateMS = 0;
   for (int i = 0; i < 10; i++) {
     sum_diffMS += bitrate_diff_ms_[i];
     sum_bitrateMS += bitrate_array_[i] * bitrate_diff_ms_[i];
@@ -91,8 +91,8 @@
   time_last_rate_update_ = now;
   bytes_count_ = 0;
   packet_count_ = 0;
-  packet_rate_ = static_cast<WebRtc_UWord32>(sum_packetrateMS / sum_diffMS);
-  bitrate_ = static_cast<WebRtc_UWord32>(sum_bitrateMS / sum_diffMS);
+  packet_rate_ = static_cast<uint32_t>(sum_packetrateMS / sum_diffMS);
+  bitrate_ = static_cast<uint32_t>(sum_bitrateMS / sum_diffMS);
 }
 
 }  // namespace webrtc
diff --git a/webrtc/modules/rtp_rtcp/source/bitrate.h b/webrtc/modules/rtp_rtcp/source/bitrate.h
index 9a0217f..708fd98 100644
--- a/webrtc/modules/rtp_rtcp/source/bitrate.h
+++ b/webrtc/modules/rtp_rtcp/source/bitrate.h
@@ -30,30 +30,30 @@
   void Process();
 
   // Update with a packet.
-  void Update(const WebRtc_Word32 bytes);
+  void Update(const int32_t bytes);
 
   // Packet rate last second, updated roughly every 100 ms.
-  WebRtc_UWord32 PacketRate() const;
+  uint32_t PacketRate() const;
 
   // Bitrate last second, updated roughly every 100 ms.
-  WebRtc_UWord32 BitrateLast() const;
+  uint32_t BitrateLast() const;
 
   // Bitrate last second, updated now.
-  WebRtc_UWord32 BitrateNow() const;
+  uint32_t BitrateNow() const;
 
  protected:
   Clock* clock_;
 
  private:
-  WebRtc_UWord32 packet_rate_;
-  WebRtc_UWord32 bitrate_;
-  WebRtc_UWord8 bitrate_next_idx_;
-  WebRtc_Word64 packet_rate_array_[10];
-  WebRtc_Word64 bitrate_array_[10];
-  WebRtc_Word64 bitrate_diff_ms_[10];
-  WebRtc_Word64 time_last_rate_update_;
-  WebRtc_UWord32 bytes_count_;
-  WebRtc_UWord32 packet_count_;
+  uint32_t packet_rate_;
+  uint32_t bitrate_;
+  uint8_t bitrate_next_idx_;
+  int64_t packet_rate_array_[10];
+  int64_t bitrate_array_[10];
+  int64_t bitrate_diff_ms_[10];
+  int64_t time_last_rate_update_;
+  uint32_t bytes_count_;
+  uint32_t packet_count_;
 };
 
 }  // namespace webrtc
diff --git a/webrtc/modules/rtp_rtcp/source/dtmf_queue.cc b/webrtc/modules/rtp_rtcp/source/dtmf_queue.cc
index 749309b..6fa6d65 100644
--- a/webrtc/modules/rtp_rtcp/source/dtmf_queue.cc
+++ b/webrtc/modules/rtp_rtcp/source/dtmf_queue.cc
@@ -27,8 +27,8 @@
     delete _DTMFCritsect;
 }
 
-WebRtc_Word32
-DTMFqueue::AddDTMF(WebRtc_UWord8 key, WebRtc_UWord16 len, WebRtc_UWord8 level)
+int32_t
+DTMFqueue::AddDTMF(uint8_t key, uint16_t len, uint8_t level)
 {
     CriticalSectionScoped lock(_DTMFCritsect);
 
@@ -36,7 +36,7 @@
     {
         return -1;
     }
-    WebRtc_Word32 index = _nextEmptyIndex;
+    int32_t index = _nextEmptyIndex;
     _DTMFKey[index] = key;
     _DTMFLen[index] = len;
     _DTMFLevel[index] = level;
@@ -44,8 +44,8 @@
     return 0;
 }
 
-WebRtc_Word8
-DTMFqueue::NextDTMF(WebRtc_UWord8* DTMFKey, WebRtc_UWord16* len, WebRtc_UWord8* level)
+int8_t
+DTMFqueue::NextDTMF(uint8_t* DTMFKey, uint16_t* len, uint8_t* level)
 {
     CriticalSectionScoped lock(_DTMFCritsect);
 
@@ -57,9 +57,9 @@
     *len=_DTMFLen[0];
     *level=_DTMFLevel[0];
 
-    memmove(&(_DTMFKey[0]), &(_DTMFKey[1]), _nextEmptyIndex*sizeof(WebRtc_UWord8));
-    memmove(&(_DTMFLen[0]), &(_DTMFLen[1]), _nextEmptyIndex*sizeof(WebRtc_UWord16));
-    memmove(&(_DTMFLevel[0]), &(_DTMFLevel[1]), _nextEmptyIndex*sizeof(WebRtc_UWord8));
+    memmove(&(_DTMFKey[0]), &(_DTMFKey[1]), _nextEmptyIndex*sizeof(uint8_t));
+    memmove(&(_DTMFLen[0]), &(_DTMFLen[1]), _nextEmptyIndex*sizeof(uint16_t));
+    memmove(&(_DTMFLevel[0]), &(_DTMFLevel[1]), _nextEmptyIndex*sizeof(uint8_t));
 
     _nextEmptyIndex--;
     return 0;
diff --git a/webrtc/modules/rtp_rtcp/source/dtmf_queue.h b/webrtc/modules/rtp_rtcp/source/dtmf_queue.h
index 8451a21..190f2ac 100644
--- a/webrtc/modules/rtp_rtcp/source/dtmf_queue.h
+++ b/webrtc/modules/rtp_rtcp/source/dtmf_queue.h
@@ -23,17 +23,17 @@
     DTMFqueue();
     virtual ~DTMFqueue();
 
-    WebRtc_Word32 AddDTMF(WebRtc_UWord8 DTMFKey, WebRtc_UWord16 len, WebRtc_UWord8 level);
-    WebRtc_Word8 NextDTMF(WebRtc_UWord8* DTMFKey, WebRtc_UWord16 * len, WebRtc_UWord8 * level);
+    int32_t AddDTMF(uint8_t DTMFKey, uint16_t len, uint8_t level);
+    int8_t NextDTMF(uint8_t* DTMFKey, uint16_t * len, uint8_t * level);
     bool PendingDTMF();
     void ResetDTMF();
 
 private:
     CriticalSectionWrapper* _DTMFCritsect;
-    WebRtc_UWord8        _nextEmptyIndex;
-    WebRtc_UWord8        _DTMFKey[DTMF_OUTBAND_MAX];
-    WebRtc_UWord16       _DTMFLen[DTMF_OUTBAND_MAX];
-    WebRtc_UWord8        _DTMFLevel[DTMF_OUTBAND_MAX];
+    uint8_t        _nextEmptyIndex;
+    uint8_t        _DTMFKey[DTMF_OUTBAND_MAX];
+    uint16_t       _DTMFLen[DTMF_OUTBAND_MAX];
+    uint8_t        _DTMFLevel[DTMF_OUTBAND_MAX];
 };
 } // namespace webrtc
 
diff --git a/webrtc/modules/rtp_rtcp/source/mock/mock_rtp_payload_strategy.h b/webrtc/modules/rtp_rtcp/source/mock/mock_rtp_payload_strategy.h
index 9acec28..855b911 100644
--- a/webrtc/modules/rtp_rtcp/source/mock/mock_rtp_payload_strategy.h
+++ b/webrtc/modules/rtp_rtcp/source/mock/mock_rtp_payload_strategy.h
@@ -22,18 +22,18 @@
       bool());
   MOCK_CONST_METHOD4(PayloadIsCompatible,
       bool(const ModuleRTPUtility::Payload& payload,
-           const WebRtc_UWord32 frequency,
-           const WebRtc_UWord8 channels,
-           const WebRtc_UWord32 rate));
+           const uint32_t frequency,
+           const uint8_t channels,
+           const uint32_t rate));
   MOCK_CONST_METHOD2(UpdatePayloadRate,
-      void(ModuleRTPUtility::Payload* payload, const WebRtc_UWord32 rate));
+      void(ModuleRTPUtility::Payload* payload, const uint32_t rate));
   MOCK_CONST_METHOD5(CreatePayloadType,
       ModuleRTPUtility::Payload*(
           const char payloadName[RTP_PAYLOAD_NAME_SIZE],
-          const WebRtc_Word8 payloadType,
-          const WebRtc_UWord32 frequency,
-          const WebRtc_UWord8 channels,
-          const WebRtc_UWord32 rate));
+          const int8_t payloadType,
+          const uint32_t frequency,
+          const uint8_t channels,
+          const uint32_t rate));
 };
 
 }  // namespace webrtc
diff --git a/webrtc/modules/rtp_rtcp/source/mock/mock_rtp_receiver_video.h b/webrtc/modules/rtp_rtcp/source/mock/mock_rtp_receiver_video.h
index 498c864..b9ad446 100644
--- a/webrtc/modules/rtp_rtcp/source/mock/mock_rtp_receiver_video.h
+++ b/webrtc/modules/rtp_rtcp/source/mock/mock_rtp_receiver_video.h
@@ -19,27 +19,27 @@
  public:
   MockRTPReceiverVideo() : RTPReceiverVideo(0, NULL, NULL) {}
   MOCK_METHOD1(ChangeUniqueId,
-      void(const WebRtc_Word32 id));
+      void(const int32_t id));
   MOCK_METHOD3(ReceiveRecoveredPacketCallback,
-      WebRtc_Word32(WebRtcRTPHeader* rtpHeader,
-                    const WebRtc_UWord8* payloadData,
-                    const WebRtc_UWord16 payloadDataLength));
+      int32_t(WebRtcRTPHeader* rtpHeader,
+              const uint8_t* payloadData,
+              const uint16_t payloadDataLength));
   MOCK_METHOD3(CallbackOfReceivedPayloadData,
-      WebRtc_Word32(const WebRtc_UWord8* payloadData,
-                    const WebRtc_UWord16 payloadSize,
-                    const WebRtcRTPHeader* rtpHeader));
+      int32_t(const uint8_t* payloadData,
+              const uint16_t payloadSize,
+              const WebRtcRTPHeader* rtpHeader));
   MOCK_CONST_METHOD0(TimeStamp,
-      WebRtc_UWord32());
+      uint32_t());
   MOCK_CONST_METHOD0(SequenceNumber,
-      WebRtc_UWord16());
+      uint16_t());
   MOCK_CONST_METHOD2(PayloadTypeToPayload,
-      WebRtc_UWord32(const WebRtc_UWord8 payloadType,
-                     ModuleRTPUtility::Payload*& payload));
+      uint32_t(const uint8_t payloadType,
+               ModuleRTPUtility::Payload*& payload));
   MOCK_CONST_METHOD2(RetransmitOfOldPacket,
-      bool(const WebRtc_UWord16 sequenceNumber,
-           const WebRtc_UWord32 rtpTimeStamp));
+      bool(const uint16_t sequenceNumber,
+           const uint32_t rtpTimeStamp));
   MOCK_CONST_METHOD0(REDPayloadType,
-      WebRtc_Word8());
+      int8_t());
   MOCK_CONST_METHOD0(HaveNotReceivedPackets,
         bool());
 };
diff --git a/webrtc/modules/rtp_rtcp/source/nack_rtx_unittest.cc b/webrtc/modules/rtp_rtcp/source/nack_rtx_unittest.cc
index 59d8f1c..925db94 100644
--- a/webrtc/modules/rtp_rtcp/source/nack_rtx_unittest.cc
+++ b/webrtc/modules/rtp_rtcp/source/nack_rtx_unittest.cc
@@ -19,18 +19,18 @@
 namespace webrtc {
 const int kVideoNackListSize = 10;
 const int kTestId = 123;
-const WebRtc_UWord32 kTestSsrc = 3456;
-const WebRtc_UWord16 kTestSequenceNumber = 2345;
-const WebRtc_UWord32 kTestNumberOfPackets = 450;
+const uint32_t kTestSsrc = 3456;
+const uint16_t kTestSequenceNumber = 2345;
+const uint32_t kTestNumberOfPackets = 450;
 const int kTestNumberOfRtxPackets = 49;
 
 class VerifyingRtxReceiver : public RtpData {
  public:
   VerifyingRtxReceiver() {}
 
-  virtual WebRtc_Word32 OnReceivedPayloadData(
-      const WebRtc_UWord8* data,
-      const WebRtc_UWord16 size,
+  virtual int32_t OnReceivedPayloadData(
+      const uint8_t* data,
+      const uint16_t size,
       const webrtc::WebRtcRTPHeader* rtp_header) {
     if (!sequence_numbers_.empty()) {
       EXPECT_EQ(kTestSsrc, rtp_header->header.ssrc);
@@ -38,7 +38,7 @@
     sequence_numbers_.push_back(rtp_header->header.sequenceNumber);
     return 0;
   }
-  std::vector<WebRtc_UWord16 > sequence_numbers_;
+  std::vector<uint16_t > sequence_numbers_;
 };
 
 class RtxLoopBackTransport : public webrtc::Transport {
@@ -66,13 +66,13 @@
         return len;
       }
     }
-    if (module_->IncomingPacket((const WebRtc_UWord8*)data, len) == 0) {
+    if (module_->IncomingPacket((const uint8_t*)data, len) == 0) {
       return len;
     }
     return -1;
   }
   virtual int SendRTCPPacket(int channel, const void *data, int len) {
-    if (module_->IncomingPacket((const WebRtc_UWord8*)data, len) == 0) {
+    if (module_->IncomingPacket((const uint8_t*)data, len) == 0) {
       return len;
     }
     return -1;
@@ -133,14 +133,14 @@
   RtpRtcp* rtp_rtcp_module_;
   RtxLoopBackTransport transport_;
   VerifyingRtxReceiver receiver_;
-  WebRtc_UWord8  payload_data[65000];
+  uint8_t  payload_data[65000];
   int payload_data_length;
   SimulatedClock fake_clock;
 };
 
 TEST_F(RtpRtcpRtxNackTest, RTCP) {
-  WebRtc_UWord32 timestamp = 3000;
-  WebRtc_UWord16 nack_list[kVideoNackListSize];
+  uint32_t timestamp = 3000;
+  uint16_t nack_list[kVideoNackListSize];
   transport_.DropEveryNthPacket(10);
 
   for (int frame = 0; frame < 10; ++frame) {
@@ -154,17 +154,17 @@
     std::sort(receiver_.sequence_numbers_.begin(),
               receiver_.sequence_numbers_.end());
 
-    std::vector<WebRtc_UWord16> missing_sequence_numbers;
-    std::vector<WebRtc_UWord16>::iterator it =
+    std::vector<uint16_t> missing_sequence_numbers;
+    std::vector<uint16_t>::iterator it =
         receiver_.sequence_numbers_.begin();
 
     while (it != receiver_.sequence_numbers_.end()) {
-      WebRtc_UWord16 sequence_number_1 = *it;
+      uint16_t sequence_number_1 = *it;
       ++it;
       if (it != receiver_.sequence_numbers_.end()) {
-        WebRtc_UWord16 sequence_number_2 = *it;
+        uint16_t sequence_number_2 = *it;
         // Add all missing sequence numbers to list.
-        for (WebRtc_UWord16 i = sequence_number_1 + 1; i < sequence_number_2;
+        for (uint16_t i = sequence_number_1 + 1; i < sequence_number_2;
             ++i) {
           missing_sequence_numbers.push_back(i);
         }
@@ -198,8 +198,8 @@
 
   transport_.DropEveryNthPacket(10);
 
-  WebRtc_UWord32 timestamp = 3000;
-  WebRtc_UWord16 nack_list[kVideoNackListSize];
+  uint32_t timestamp = 3000;
+  uint16_t nack_list[kVideoNackListSize];
 
   for (int frame = 0; frame < 10; ++frame) {
     EXPECT_EQ(0, rtp_rtcp_module_->SendOutgoingData(webrtc::kVideoFrameDelta,
@@ -212,10 +212,10 @@
     std::sort(receiver_.sequence_numbers_.begin(),
               receiver_.sequence_numbers_.end());
 
-    std::vector<WebRtc_UWord16> missing_sequence_numbers;
+    std::vector<uint16_t> missing_sequence_numbers;
 
 
-    std::vector<WebRtc_UWord16>::iterator it =
+    std::vector<uint16_t>::iterator it =
         receiver_.sequence_numbers_.begin();
     while (it != receiver_.sequence_numbers_.end()) {
       int sequence_number_1 = *it;
@@ -255,7 +255,7 @@
                                                   true, kTestSsrc + 1));
   transport_.DropEveryNthPacket(0);
 
-  WebRtc_UWord32 timestamp = 3000;
+  uint32_t timestamp = 3000;
 
   for (int frame = 0; frame < 10; ++frame) {
     EXPECT_EQ(0, rtp_rtcp_module_->SendOutgoingData(webrtc::kVideoFrameDelta,
@@ -292,8 +292,8 @@
   int loss = 10;
   transport_.DropEveryNthPacket(loss);
 
-  WebRtc_UWord32 timestamp = 3000;
-  WebRtc_UWord16 nack_list[kVideoNackListSize];
+  uint32_t timestamp = 3000;
+  uint16_t nack_list[kVideoNackListSize];
 
   for (int frame = 0; frame < 10; ++frame) {
     EXPECT_EQ(0, rtp_rtcp_module_->SendOutgoingData(webrtc::kVideoFrameDelta,
@@ -304,9 +304,9 @@
                                                     payload_data_length));
     std::sort(receiver_.sequence_numbers_.begin(),
               receiver_.sequence_numbers_.end());
-    std::vector<WebRtc_UWord16> missing_sequence_numbers;
+    std::vector<uint16_t> missing_sequence_numbers;
 
-    std::vector<WebRtc_UWord16>::iterator it =
+    std::vector<uint16_t>::iterator it =
         receiver_.sequence_numbers_.begin();
     while (it != receiver_.sequence_numbers_.end()) {
       int sequence_number_1 = *it;
diff --git a/webrtc/modules/rtp_rtcp/source/producer_fec.cc b/webrtc/modules/rtp_rtcp/source/producer_fec.cc
index 52d5086..9d9a4b3 100644
--- a/webrtc/modules/rtp_rtcp/source/producer_fec.cc
+++ b/webrtc/modules/rtp_rtcp/source/producer_fec.cc
@@ -32,7 +32,7 @@
 // media packets).
 
 struct RtpPacket {
-  WebRtc_UWord16 rtpHeaderLength;
+  uint16_t rtpHeaderLength;
   ForwardErrorCorrection::Packet* pkt;
 };
 
diff --git a/webrtc/modules/rtp_rtcp/source/receiver_fec.cc b/webrtc/modules/rtp_rtcp/source/receiver_fec.cc
index e86f578..bf640d6 100644
--- a/webrtc/modules/rtp_rtcp/source/receiver_fec.cc
+++ b/webrtc/modules/rtp_rtcp/source/receiver_fec.cc
@@ -19,7 +19,7 @@
 
 // RFC 5109
 namespace webrtc {
-ReceiverFEC::ReceiverFEC(const WebRtc_Word32 id, RTPReceiverVideo* owner)
+ReceiverFEC::ReceiverFEC(const int32_t id, RTPReceiverVideo* owner)
     : _id(id),
       _owner(owner),
       _fec(new ForwardErrorCorrection(id)),
@@ -42,7 +42,7 @@
   }
 }
 
-void ReceiverFEC::SetPayloadTypeFEC(const WebRtc_Word8 payloadType) {
+void ReceiverFEC::SetPayloadTypeFEC(const int8_t payloadType) {
   _payloadTypeFEC = payloadType;
 }
 
@@ -76,16 +76,16 @@
        block excluding header.
 */
 
-WebRtc_Word32 ReceiverFEC::AddReceivedFECPacket(
+int32_t ReceiverFEC::AddReceivedFECPacket(
     const WebRtcRTPHeader* rtpHeader,
-    const WebRtc_UWord8* incomingRtpPacket,
-    const WebRtc_UWord16 payloadDataLength,
+    const uint8_t* incomingRtpPacket,
+    const uint16_t payloadDataLength,
     bool& FECpacket) {
   if (_payloadTypeFEC == -1) {
     return -1;
   }
 
-  WebRtc_UWord8 REDHeaderLength = 1;
+  uint8_t REDHeaderLength = 1;
 
   // Add to list without RED header, aka a virtual RTP packet
   // we remove the RED header
@@ -95,7 +95,7 @@
   receivedPacket->pkt = new ForwardErrorCorrection::Packet;
 
   // get payload type from RED header
-  WebRtc_UWord8 payloadType =
+  uint8_t payloadType =
       incomingRtpPacket[rtpHeader->header.headerLength] & 0x7f;
 
   // use the payloadType to decide if it's FEC or coded data
@@ -108,11 +108,11 @@
   }
   receivedPacket->seqNum = rtpHeader->header.sequenceNumber;
 
-  WebRtc_UWord16 blockLength = 0;
+  uint16_t blockLength = 0;
   if(incomingRtpPacket[rtpHeader->header.headerLength] & 0x80) {
     // f bit set in RED header
     REDHeaderLength = 4;
-    WebRtc_UWord16 timestampOffset =
+    uint16_t timestampOffset =
         (incomingRtpPacket[rtpHeader->header.headerLength + 1]) << 8;
     timestampOffset += incomingRtpPacket[rtpHeader->header.headerLength+2];
     timestampOffset = timestampOffset >> 2;
@@ -221,7 +221,7 @@
   return 0;
 }
 
-WebRtc_Word32 ReceiverFEC::ProcessReceivedFEC() {
+int32_t ReceiverFEC::ProcessReceivedFEC() {
   if (!_receivedPacketList.empty()) {
     // Send received media packet to VCM.
     if (!_receivedPacketList.front()->isFec) {
diff --git a/webrtc/modules/rtp_rtcp/source/receiver_fec.h b/webrtc/modules/rtp_rtcp/source/receiver_fec.h
index 63aaa72..4ce2e97 100644
--- a/webrtc/modules/rtp_rtcp/source/receiver_fec.h
+++ b/webrtc/modules/rtp_rtcp/source/receiver_fec.h
@@ -23,17 +23,17 @@
 class ReceiverFEC
 {
 public:
-    ReceiverFEC(const WebRtc_Word32 id, RTPReceiverVideo* owner);
+    ReceiverFEC(const int32_t id, RTPReceiverVideo* owner);
     virtual ~ReceiverFEC();
 
-    WebRtc_Word32 AddReceivedFECPacket(const WebRtcRTPHeader* rtpHeader,
-                                       const WebRtc_UWord8* incomingRtpPacket,
-                                       const WebRtc_UWord16 payloadDataLength,
-                                       bool& FECpacket);
+    int32_t AddReceivedFECPacket(const WebRtcRTPHeader* rtpHeader,
+                                 const uint8_t* incomingRtpPacket,
+                                 const uint16_t payloadDataLength,
+                                 bool& FECpacket);
 
-    WebRtc_Word32 ProcessReceivedFEC();
+    int32_t ProcessReceivedFEC();
 
-    void SetPayloadTypeFEC(const WebRtc_Word8 payloadType);
+    void SetPayloadTypeFEC(const int8_t payloadType);
 
 private:
     int ParseAndReceivePacket(const ForwardErrorCorrection::Packet* packet);
@@ -46,7 +46,7 @@
     // arrives. We should remove the list.
     ForwardErrorCorrection::ReceivedPacketList _receivedPacketList;
     ForwardErrorCorrection::RecoveredPacketList _recoveredPacketList;
-    WebRtc_Word8 _payloadTypeFEC;
+    int8_t _payloadTypeFEC;
 };
 } // namespace webrtc
 
diff --git a/webrtc/modules/rtp_rtcp/source/rtcp_format_remb_unittest.cc b/webrtc/modules/rtp_rtcp/source/rtcp_format_remb_unittest.cc
index cdf334d..3d0c3fa 100644
--- a/webrtc/modules/rtp_rtcp/source/rtcp_format_remb_unittest.cc
+++ b/webrtc/modules/rtp_rtcp/source/rtcp_format_remb_unittest.cc
@@ -36,8 +36,8 @@
   virtual int SendRTCPPacket(int /*channel*/,
                              const void *packet,
                              int packetLength) {
-    RTCPUtility::RTCPParserV2 rtcpParser((WebRtc_UWord8*)packet,
-                                         (WebRtc_Word32)packetLength,
+    RTCPUtility::RTCPParserV2 rtcpParser((uint8_t*)packet,
+                                         (int32_t)packetLength,
                                          true); // Allow non-compound RTCP
 
     EXPECT_TRUE(rtcpParser.IsValid());
@@ -45,9 +45,9 @@
     EXPECT_EQ(0, rtcp_receiver_->IncomingRTCPPacket(rtcpPacketInformation,
                                                     &rtcpParser));
 
-    EXPECT_EQ((WebRtc_UWord32)kRtcpRemb,
+    EXPECT_EQ((uint32_t)kRtcpRemb,
               rtcpPacketInformation.rtcpPacketTypeFlags & kRtcpRemb);
-    EXPECT_EQ((WebRtc_UWord32)1234,
+    EXPECT_EQ((uint32_t)1234,
               rtcpPacketInformation.receiverEstimatedMaxBitrate);
     return packetLength;
   }
@@ -113,14 +113,14 @@
 }
 
 TEST_F(RtcpFormatRembTest, TestNonCompund) {
-  WebRtc_UWord32 SSRC = 456789;
+  uint32_t SSRC = 456789;
   EXPECT_EQ(0, rtcp_sender_->SetRTCPStatus(kRtcpNonCompound));
   EXPECT_EQ(0, rtcp_sender_->SetREMBData(1234, 1, &SSRC));
   EXPECT_EQ(0, rtcp_sender_->SendRTCP(kRtcpRemb));
 }
 
 TEST_F(RtcpFormatRembTest, TestCompund) {
-  WebRtc_UWord32 SSRCs[2] = {456789, 98765};
+  uint32_t SSRCs[2] = {456789, 98765};
   EXPECT_EQ(0, rtcp_sender_->SetRTCPStatus(kRtcpCompound));
   EXPECT_EQ(0, rtcp_sender_->SetREMBData(1234, 2, SSRCs));
   EXPECT_EQ(0, rtcp_sender_->SendRTCP(kRtcpRemb));
diff --git a/webrtc/modules/rtp_rtcp/source/rtcp_receiver.cc b/webrtc/modules/rtp_rtcp/source/rtcp_receiver.cc
index fba1818..d6bf092 100644
--- a/webrtc/modules/rtp_rtcp/source/rtcp_receiver.cc
+++ b/webrtc/modules/rtp_rtcp/source/rtcp_receiver.cc
@@ -30,7 +30,7 @@
 // The number of RTCP time intervals needed to trigger a timeout.
 const int kRrTimeoutIntervals = 3;
 
-RTCPReceiver::RTCPReceiver(const WebRtc_Word32 id, Clock* clock,
+RTCPReceiver::RTCPReceiver(const int32_t id, Clock* clock,
                            ModuleRtpRtcpImpl* owner)
     : TMMBRHelp(),
     _id(id),
@@ -64,19 +64,19 @@
   delete _criticalSectionFeedbacks;
 
   while (!_receivedReportBlockMap.empty()) {
-    std::map<WebRtc_UWord32, RTCPReportBlockInformation*>::iterator first =
+    std::map<uint32_t, RTCPReportBlockInformation*>::iterator first =
         _receivedReportBlockMap.begin();
     delete first->second;
     _receivedReportBlockMap.erase(first);
   }
   while (!_receivedInfoMap.empty()) {
-    std::map<WebRtc_UWord32, RTCPReceiveInformation*>::iterator first =
+    std::map<uint32_t, RTCPReceiveInformation*>::iterator first =
         _receivedInfoMap.begin();
     delete first->second;
     _receivedInfoMap.erase(first);
   }
   while (!_receivedCnameMap.empty()) {
-    std::map<WebRtc_UWord32, RTCPCnameInformation*>::iterator first =
+    std::map<uint32_t, RTCPCnameInformation*>::iterator first =
         _receivedCnameMap.begin();
     delete first->second;
     _receivedCnameMap.erase(first);
@@ -86,7 +86,7 @@
 }
 
 void
-RTCPReceiver::ChangeUniqueId(const WebRtc_Word32 id)
+RTCPReceiver::ChangeUniqueId(const int32_t id)
 {
     _id = id;
 }
@@ -98,7 +98,7 @@
     return _method;
 }
 
-WebRtc_Word32
+int32_t
 RTCPReceiver::SetRTCPStatus(const RTCPMethod method)
 {
     CriticalSectionScoped lock(_criticalSectionRTCPReceiver);
@@ -106,17 +106,17 @@
     return 0;
 }
 
-WebRtc_Word64
+int64_t
 RTCPReceiver::LastReceived()
 {
     CriticalSectionScoped lock(_criticalSectionRTCPReceiver);
     return _lastReceived;
 }
 
-WebRtc_Word64
+int64_t
 RTCPReceiver::LastReceivedReceiverReport() const {
     CriticalSectionScoped lock(_criticalSectionRTCPReceiver);
-    WebRtc_Word64 last_received_rr = -1;
+    int64_t last_received_rr = -1;
     for (ReceivedInfoMap::const_iterator it = _receivedInfoMap.begin();
          it != _receivedInfoMap.end(); ++it) {
       if (it->second->lastTimeReceived > last_received_rr) {
@@ -126,8 +126,8 @@
     return last_received_rr;
 }
 
-WebRtc_Word32
-RTCPReceiver::SetRemoteSSRC( const WebRtc_UWord32 ssrc)
+int32_t
+RTCPReceiver::SetRemoteSSRC( const uint32_t ssrc)
 {
     CriticalSectionScoped lock(_criticalSectionRTCPReceiver);
 
@@ -151,8 +151,8 @@
 }
 
 
-void RTCPReceiver::SetSSRC(const WebRtc_UWord32 ssrc) {
-  WebRtc_UWord32 old_ssrc = 0;
+void RTCPReceiver::SetSSRC(const uint32_t ssrc) {
+  uint32_t old_ssrc = 0;
   {
     CriticalSectionScoped lock(_criticalSectionRTCPReceiver);
     old_ssrc = _SSRC;
@@ -166,7 +166,7 @@
   }
 }
 
-WebRtc_Word32 RTCPReceiver::ResetRTT(const WebRtc_UWord32 remoteSSRC) {
+int32_t RTCPReceiver::ResetRTT(const uint32_t remoteSSRC) {
   CriticalSectionScoped lock(_criticalSectionRTCPReceiver);
   RTCPReportBlockInformation* reportBlock =
       GetReportBlockInformation(remoteSSRC);
@@ -182,11 +182,11 @@
   return 0;
 }
 
-WebRtc_Word32 RTCPReceiver::RTT(const WebRtc_UWord32 remoteSSRC,
-                                WebRtc_UWord16* RTT,
-                                WebRtc_UWord16* avgRTT,
-                                WebRtc_UWord16* minRTT,
-                                WebRtc_UWord16* maxRTT) const {
+int32_t RTCPReceiver::RTT(const uint32_t remoteSSRC,
+                          uint16_t* RTT,
+                          uint16_t* avgRTT,
+                          uint16_t* minRTT,
+                          uint16_t* maxRTT) const {
   CriticalSectionScoped lock(_criticalSectionRTCPReceiver);
 
   RTCPReportBlockInformation* reportBlock =
@@ -210,7 +210,7 @@
   return 0;
 }
 
-WebRtc_UWord16 RTCPReceiver::RTT() const {
+uint16_t RTCPReceiver::RTT() const {
   CriticalSectionScoped lock(_criticalSectionRTCPReceiver);
   if (!_receivedReportBlockMap.empty()) {
     return 0;
@@ -218,7 +218,7 @@
   return _rtt;
 }
 
-int RTCPReceiver::SetRTT(WebRtc_UWord16 rtt) {
+int RTCPReceiver::SetRTT(uint16_t rtt) {
   CriticalSectionScoped lock(_criticalSectionRTCPReceiver);
   if (!_receivedReportBlockMap.empty()) {
     return -1;
@@ -227,12 +227,12 @@
   return 0;
 }
 
-WebRtc_Word32
-RTCPReceiver::NTP(WebRtc_UWord32 *ReceivedNTPsecs,
-                  WebRtc_UWord32 *ReceivedNTPfrac,
-                  WebRtc_UWord32 *RTCPArrivalTimeSecs,
-                  WebRtc_UWord32 *RTCPArrivalTimeFrac,
-                  WebRtc_UWord32 *rtcp_timestamp) const
+int32_t
+RTCPReceiver::NTP(uint32_t *ReceivedNTPsecs,
+                  uint32_t *ReceivedNTPfrac,
+                  uint32_t *RTCPArrivalTimeSecs,
+                  uint32_t *RTCPArrivalTimeFrac,
+                  uint32_t *rtcp_timestamp) const
 {
     CriticalSectionScoped lock(_criticalSectionRTCPReceiver);
     if(ReceivedNTPsecs)
@@ -257,7 +257,7 @@
     return 0;
 }
 
-WebRtc_Word32
+int32_t
 RTCPReceiver::SenderInfoReceived(RTCPSenderInfo* senderInfo) const
 {
     if(senderInfo == NULL)
@@ -277,12 +277,12 @@
 
 // statistics
 // we can get multiple receive reports when we receive the report from a CE
-WebRtc_Word32 RTCPReceiver::StatisticsReceived(
+int32_t RTCPReceiver::StatisticsReceived(
     std::vector<RTCPReportBlock>* receiveBlocks) const {
   assert(receiveBlocks);
   CriticalSectionScoped lock(_criticalSectionRTCPReceiver);
 
-  std::map<WebRtc_UWord32, RTCPReportBlockInformation*>::const_iterator it =
+  std::map<uint32_t, RTCPReportBlockInformation*>::const_iterator it =
       _receivedReportBlockMap.begin();
 
   while (it != _receivedReportBlockMap.end()) {
@@ -292,7 +292,7 @@
   return 0;
 }
 
-WebRtc_Word32
+int32_t
 RTCPReceiver::IncomingRTCPPacket(RTCPPacketInformation& rtcpPacketInformation,
                                  RTCPUtility::RTCPParserV2* rtcpParser)
 {
@@ -383,8 +383,8 @@
     // rtcpPacket.RR.SenderSSRC
     // The source of the packet sender, same as of SR? or is this a CE?
 
-    const WebRtc_UWord32 remoteSSRC = (rtcpPacketType == RTCPUtility::kRtcpRrCode) ? rtcpPacket.RR.SenderSSRC:rtcpPacket.SR.SenderSSRC;
-    const WebRtc_UWord8  numberOfReportBlocks = (rtcpPacketType == RTCPUtility::kRtcpRrCode) ? rtcpPacket.RR.NumberOfReportBlocks:rtcpPacket.SR.NumberOfReportBlocks;
+    const uint32_t remoteSSRC = (rtcpPacketType == RTCPUtility::kRtcpRrCode) ? rtcpPacket.RR.SenderSSRC:rtcpPacket.SR.SenderSSRC;
+    const uint8_t  numberOfReportBlocks = (rtcpPacketType == RTCPUtility::kRtcpRrCode) ? rtcpPacket.RR.NumberOfReportBlocks:rtcpPacket.SR.NumberOfReportBlocks;
 
     rtcpPacketInformation.remoteSSRC = remoteSSRC;
 
@@ -447,8 +447,8 @@
 void
 RTCPReceiver::HandleReportBlock(const RTCPUtility::RTCPPacket& rtcpPacket,
                                 RTCPPacketInformation& rtcpPacketInformation,
-                                const WebRtc_UWord32 remoteSSRC,
-                                const WebRtc_UWord8 numberOfReportBlocks) {
+                                const uint32_t remoteSSRC,
+                                const uint8_t numberOfReportBlocks) {
   // This will be called once per report block in the RTCP packet.
   // We filter out all report blocks that are not for us.
   // Each packet has max 31 RR blocks.
@@ -467,7 +467,7 @@
   // To avoid problem with acquiring _criticalSectionRTCPSender while holding
   // _criticalSectionRTCPReceiver.
   _criticalSectionRTCPReceiver->Leave();
-  WebRtc_UWord32 sendTimeMS =
+  uint32_t sendTimeMS =
       _rtpRtcp.SendTimeOfSendReport(rtcpPacket.ReportBlockItem.LastSR);
   _criticalSectionRTCPReceiver->Enter();
 
@@ -502,25 +502,25 @@
     reportBlock->remoteMaxJitter = rtcpPacket.ReportBlockItem.Jitter;
   }
 
-  WebRtc_UWord32 delaySinceLastSendReport =
+  uint32_t delaySinceLastSendReport =
       rtcpPacket.ReportBlockItem.DelayLastSR;
 
   // local NTP time when we received this
-  WebRtc_UWord32 lastReceivedRRNTPsecs = 0;
-  WebRtc_UWord32 lastReceivedRRNTPfrac = 0;
+  uint32_t lastReceivedRRNTPsecs = 0;
+  uint32_t lastReceivedRRNTPfrac = 0;
 
   _clock->CurrentNtp(lastReceivedRRNTPsecs, lastReceivedRRNTPfrac);
 
   // time when we received this in MS
-  WebRtc_UWord32 receiveTimeMS = ModuleRTPUtility::ConvertNTPTimeToMS(
+  uint32_t receiveTimeMS = ModuleRTPUtility::ConvertNTPTimeToMS(
       lastReceivedRRNTPsecs, lastReceivedRRNTPfrac);
 
   // Estimate RTT
-  WebRtc_UWord32 d = (delaySinceLastSendReport & 0x0000ffff) * 1000;
+  uint32_t d = (delaySinceLastSendReport & 0x0000ffff) * 1000;
   d /= 65536;
   d += ((delaySinceLastSendReport & 0xffff0000) >> 16) * 1000;
 
-  WebRtc_Word32 RTT = 0;
+  int32_t RTT = 0;
 
   if (sendTimeMS > 0) {
     RTT = receiveTimeMS - d - sendTimeMS;
@@ -529,17 +529,17 @@
     }
     if (RTT > reportBlock->maxRTT) {
       // store max RTT
-      reportBlock->maxRTT = (WebRtc_UWord16) RTT;
+      reportBlock->maxRTT = (uint16_t) RTT;
     }
     if (reportBlock->minRTT == 0) {
       // first RTT
-      reportBlock->minRTT = (WebRtc_UWord16) RTT;
+      reportBlock->minRTT = (uint16_t) RTT;
     } else if (RTT < reportBlock->minRTT) {
       // Store min RTT
-      reportBlock->minRTT = (WebRtc_UWord16) RTT;
+      reportBlock->minRTT = (uint16_t) RTT;
     }
     // store last RTT
-    reportBlock->RTT = (WebRtc_UWord16) RTT;
+    reportBlock->RTT = (uint16_t) RTT;
 
     // store average RTT
     if (reportBlock->numAverageCalcs != 0) {
@@ -549,7 +549,7 @@
       reportBlock->avgRTT = static_cast<int> (newAverage + 0.5f);
     } else {
       // first RTT
-      reportBlock->avgRTT = (WebRtc_UWord16) RTT;
+      reportBlock->avgRTT = (uint16_t) RTT;
     }
     reportBlock->numAverageCalcs++;
   }
@@ -560,16 +560,16 @@
 
   // rtcpPacketInformation
   rtcpPacketInformation.AddReportInfo(
-      reportBlock->remoteReceiveBlock.fractionLost, (WebRtc_UWord16) RTT,
+      reportBlock->remoteReceiveBlock.fractionLost, (uint16_t) RTT,
       reportBlock->remoteReceiveBlock.extendedHighSeqNum,
       reportBlock->remoteReceiveBlock.jitter);
 }
 
 RTCPReportBlockInformation*
-RTCPReceiver::CreateReportBlockInformation(WebRtc_UWord32 remoteSSRC) {
+RTCPReceiver::CreateReportBlockInformation(uint32_t remoteSSRC) {
   CriticalSectionScoped lock(_criticalSectionRTCPReceiver);
 
-  std::map<WebRtc_UWord32, RTCPReportBlockInformation*>::iterator it =
+  std::map<uint32_t, RTCPReportBlockInformation*>::iterator it =
       _receivedReportBlockMap.find(remoteSSRC);
 
   RTCPReportBlockInformation* ptrReportBlockInfo = NULL;
@@ -583,10 +583,10 @@
 }
 
 RTCPReportBlockInformation*
-RTCPReceiver::GetReportBlockInformation(WebRtc_UWord32 remoteSSRC) const {
+RTCPReceiver::GetReportBlockInformation(uint32_t remoteSSRC) const {
   CriticalSectionScoped lock(_criticalSectionRTCPReceiver);
 
-  std::map<WebRtc_UWord32, RTCPReportBlockInformation*>::const_iterator it =
+  std::map<uint32_t, RTCPReportBlockInformation*>::const_iterator it =
       _receivedReportBlockMap.find(remoteSSRC);
 
   if (it == _receivedReportBlockMap.end()) {
@@ -596,10 +596,10 @@
 }
 
 RTCPCnameInformation*
-RTCPReceiver::CreateCnameInformation(WebRtc_UWord32 remoteSSRC) {
+RTCPReceiver::CreateCnameInformation(uint32_t remoteSSRC) {
   CriticalSectionScoped lock(_criticalSectionRTCPReceiver);
 
-  std::map<WebRtc_UWord32, RTCPCnameInformation*>::iterator it =
+  std::map<uint32_t, RTCPCnameInformation*>::iterator it =
       _receivedCnameMap.find(remoteSSRC);
 
   if (it != _receivedCnameMap.end()) {
@@ -612,10 +612,10 @@
 }
 
 RTCPCnameInformation*
-RTCPReceiver::GetCnameInformation(WebRtc_UWord32 remoteSSRC) const {
+RTCPReceiver::GetCnameInformation(uint32_t remoteSSRC) const {
   CriticalSectionScoped lock(_criticalSectionRTCPReceiver);
 
-  std::map<WebRtc_UWord32, RTCPCnameInformation*>::const_iterator it =
+  std::map<uint32_t, RTCPCnameInformation*>::const_iterator it =
       _receivedCnameMap.find(remoteSSRC);
 
   if (it == _receivedCnameMap.end()) {
@@ -625,10 +625,10 @@
 }
 
 RTCPReceiveInformation*
-RTCPReceiver::CreateReceiveInformation(WebRtc_UWord32 remoteSSRC) {
+RTCPReceiver::CreateReceiveInformation(uint32_t remoteSSRC) {
   CriticalSectionScoped lock(_criticalSectionRTCPReceiver);
 
-  std::map<WebRtc_UWord32, RTCPReceiveInformation*>::iterator it =
+  std::map<uint32_t, RTCPReceiveInformation*>::iterator it =
       _receivedInfoMap.find(remoteSSRC);
 
   if (it != _receivedInfoMap.end()) {
@@ -640,10 +640,10 @@
 }
 
 RTCPReceiveInformation*
-RTCPReceiver::GetReceiveInformation(WebRtc_UWord32 remoteSSRC) {
+RTCPReceiver::GetReceiveInformation(uint32_t remoteSSRC) {
   CriticalSectionScoped lock(_criticalSectionRTCPReceiver);
 
-  std::map<WebRtc_UWord32, RTCPReceiveInformation*>::iterator it =
+  std::map<uint32_t, RTCPReceiveInformation*>::iterator it =
       _receivedInfoMap.find(remoteSSRC);
   if (it == _receivedInfoMap.end()) {
     return NULL;
@@ -690,9 +690,9 @@
   CriticalSectionScoped lock(_criticalSectionRTCPReceiver);
 
   bool updateBoundingSet = false;
-  WebRtc_Word64 timeNow = _clock->TimeInMilliseconds();
+  int64_t timeNow = _clock->TimeInMilliseconds();
 
-  std::map<WebRtc_UWord32, RTCPReceiveInformation*>::iterator receiveInfoIt =
+  std::map<uint32_t, RTCPReceiveInformation*>::iterator receiveInfoIt =
       _receivedInfoMap.begin();
 
   while (receiveInfoIt != _receivedInfoMap.end()) {
@@ -718,7 +718,7 @@
       receiveInfoIt++;
     } else if (receiveInfo->readyForDelete) {
       // store our current receiveInfoItem
-      std::map<WebRtc_UWord32, RTCPReceiveInformation*>::iterator
+      std::map<uint32_t, RTCPReceiveInformation*>::iterator
       receiveInfoItemToBeErased = receiveInfoIt;
       receiveInfoIt++;
       delete receiveInfoItemToBeErased->second;
@@ -730,11 +730,10 @@
   return updateBoundingSet;
 }
 
-WebRtc_Word32 RTCPReceiver::BoundingSet(bool &tmmbrOwner,
-                                        TMMBRSet* boundingSetRec) {
+int32_t RTCPReceiver::BoundingSet(bool &tmmbrOwner, TMMBRSet* boundingSetRec) {
   CriticalSectionScoped lock(_criticalSectionRTCPReceiver);
 
-  std::map<WebRtc_UWord32, RTCPReceiveInformation*>::iterator receiveInfoIt =
+  std::map<uint32_t, RTCPReceiveInformation*>::iterator receiveInfoIt =
       _receivedInfoMap.find(_remoteSSRC);
 
   if (receiveInfoIt == _receivedInfoMap.end()) {
@@ -750,7 +749,7 @@
   if (receiveInfo->TmmbnBoundingSet.lengthOfSet() > 0) {
     boundingSetRec->VerifyAndAllocateSet(
         receiveInfo->TmmbnBoundingSet.lengthOfSet() + 1);
-    for(WebRtc_UWord32 i=0; i< receiveInfo->TmmbnBoundingSet.lengthOfSet();
+    for(uint32_t i=0; i< receiveInfo->TmmbnBoundingSet.lengthOfSet();
         i++) {
       if(receiveInfo->TmmbnBoundingSet.Ssrc(i) == _SSRC) {
         // owner of bounding set
@@ -817,7 +816,7 @@
 {
     rtcpPacketInformation.AddNACKPacket(rtcpPacket.NACKItem.PacketID);
 
-    WebRtc_UWord16 bitMask = rtcpPacket.NACKItem.BitMask;
+    uint16_t bitMask = rtcpPacket.NACKItem.BitMask;
     if(bitMask)
     {
         for(int i=1; i <= 16; ++i)
@@ -839,7 +838,7 @@
 
   // clear our lists
   CriticalSectionScoped lock(_criticalSectionRTCPReceiver);
-  std::map<WebRtc_UWord32, RTCPReportBlockInformation*>::iterator
+  std::map<uint32_t, RTCPReportBlockInformation*>::iterator
       reportBlockInfoIt = _receivedReportBlockMap.find(
           rtcpPacket.BYE.SenderSSRC);
 
@@ -848,14 +847,14 @@
     _receivedReportBlockMap.erase(reportBlockInfoIt);
   }
   //  we can't delete it due to TMMBR
-  std::map<WebRtc_UWord32, RTCPReceiveInformation*>::iterator receiveInfoIt =
+  std::map<uint32_t, RTCPReceiveInformation*>::iterator receiveInfoIt =
       _receivedInfoMap.find(rtcpPacket.BYE.SenderSSRC);
 
   if (receiveInfoIt != _receivedInfoMap.end()) {
     receiveInfoIt->second->readyForDelete = true;
   }
 
-  std::map<WebRtc_UWord32, RTCPCnameInformation*>::iterator cnameInfoIt =
+  std::map<uint32_t, RTCPCnameInformation*>::iterator cnameInfoIt =
       _receivedCnameMap.find(rtcpPacket.BYE.SenderSSRC);
 
   if (cnameInfoIt != _receivedCnameMap.end()) {
@@ -927,7 +926,7 @@
 {
     const RTCPUtility::RTCPPacket& rtcpPacket = rtcpParser.Packet();
 
-    WebRtc_UWord32 senderSSRC = rtcpPacket.TMMBR.SenderSSRC;
+    uint32_t senderSSRC = rtcpPacket.TMMBR.SenderSSRC;
     RTCPReceiveInformation* ptrReceiveInfo = GetReceiveInformation(senderSSRC);
     if (ptrReceiveInfo == NULL)
     {
@@ -953,7 +952,7 @@
         rtcpParser.Iterate();
         return;
     }
-    ptrReceiveInfo->VerifyAndAllocateTMMBRSet((WebRtc_UWord32)maxNumOfTMMBRBlocks);
+    ptrReceiveInfo->VerifyAndAllocateTMMBRSet((uint32_t)maxNumOfTMMBRBlocks);
 
     RTCPUtility::RTCPPacketTypes pktType = rtcpParser.Iterate();
     while (pktType == RTCPUtility::kRtcpRtpfbTmmbrItemCode)
@@ -968,7 +967,7 @@
 RTCPReceiver::HandleTMMBRItem(RTCPReceiveInformation& receiveInfo,
                               const RTCPUtility::RTCPPacket& rtcpPacket,
                               RTCPPacketInformation& rtcpPacketInformation,
-                              const WebRtc_UWord32 senderSSRC)
+                              const uint32_t senderSSRC)
 {
     if (_SSRC == rtcpPacket.TMMBRItem.SSRC &&
         rtcpPacket.TMMBRItem.MaxTotalMediaBitRate > 0)
@@ -1005,7 +1004,7 @@
         return;
     }
 
-    ptrReceiveInfo->VerifyAndAllocateBoundingSet((WebRtc_UWord32)maxNumOfTMMBNBlocks);
+    ptrReceiveInfo->VerifyAndAllocateBoundingSet((uint32_t)maxNumOfTMMBNBlocks);
 
     RTCPUtility::RTCPPacketTypes pktType = rtcpParser.Iterate();
     while (pktType == RTCPUtility::kRtcpRtpfbTmmbnItemCode)
@@ -1078,8 +1077,8 @@
         rtcpPacketInformation.rpsiPictureId = 0;
 
         // convert NativeBitString to rpsiPictureId
-        WebRtc_UWord8 numberOfBytes = rtcpPacket.RPSI.NumberOfValidBits /8;
-        for(WebRtc_UWord8 n = 0; n < (numberOfBytes-1); n++)
+        uint8_t numberOfBytes = rtcpPacket.RPSI.NumberOfValidBits /8;
+        for(uint8_t n = 0; n < (numberOfBytes-1); n++)
         {
             rtcpPacketInformation.rpsiPictureId += (rtcpPacket.RPSI.NativeBitString[n] & 0x7f);
             rtcpPacketInformation.rpsiPictureId <<= 7; // prepare next
@@ -1162,7 +1161,7 @@
     // check if we have reported this FIRSequenceNumber before
     if (rtcpPacket.FIRItem.CommandSequenceNumber !=
         receiveInfo->lastFIRSequenceNumber) {
-      WebRtc_Word64 now = _clock->TimeInMilliseconds();
+      int64_t now = _clock->TimeInMilliseconds();
       // sanity; don't go crazy with the callbacks
       if ((now - receiveInfo->lastFIRRequest) > RTCP_MIN_FRAME_LENGTH_MS) {
         receiveInfo->lastFIRRequest = now;
@@ -1202,12 +1201,12 @@
     rtcpParser.Iterate();
 }
 
-WebRtc_Word32 RTCPReceiver::UpdateTMMBR() {
-  WebRtc_Word32 numBoundingSet = 0;
-  WebRtc_UWord32 bitrate = 0;
-  WebRtc_UWord32 accNumCandidates = 0;
+int32_t RTCPReceiver::UpdateTMMBR() {
+  int32_t numBoundingSet = 0;
+  uint32_t bitrate = 0;
+  uint32_t accNumCandidates = 0;
 
-  WebRtc_Word32 size = TMMBRReceived(0, 0, NULL);
+  int32_t size = TMMBRReceived(0, 0, NULL);
   if (size > 0) {
     TMMBRSet* candidateSet = VerifyAndAllocateCandidateSet(size);
     // Get candidate set from receiver.
@@ -1318,7 +1317,7 @@
       if ((rtcpPacketInformation.rtcpPacketTypeFlags & kRtcpSr ||
           rtcpPacketInformation.rtcpPacketTypeFlags & kRtcpRr) &&
           rtcpPacketInformation.reportBlock) {
-        WebRtc_Word64 now = _clock->TimeInMilliseconds();
+        int64_t now = _clock->TimeInMilliseconds();
         _cbRtcpBandwidthObserver->OnReceivedRtcpReceiverReport(
             rtcpPacketInformation.remoteSSRC,
             rtcpPacketInformation.fractionLost,
@@ -1353,8 +1352,8 @@
   }
 }
 
-WebRtc_Word32 RTCPReceiver::CNAME(const WebRtc_UWord32 remoteSSRC,
-                                  char cName[RTCP_CNAME_SIZE]) const {
+int32_t RTCPReceiver::CNAME(const uint32_t remoteSSRC,
+                            char cName[RTCP_CNAME_SIZE]) const {
   assert(cName);
 
   CriticalSectionScoped lock(_criticalSectionRTCPReceiver);
@@ -1368,24 +1367,24 @@
 }
 
 // no callbacks allowed inside this function
-WebRtc_Word32 RTCPReceiver::TMMBRReceived(const WebRtc_UWord32 size,
-                                          const WebRtc_UWord32 accNumCandidates,
-                                          TMMBRSet* candidateSet) const {
+int32_t RTCPReceiver::TMMBRReceived(const uint32_t size,
+                                    const uint32_t accNumCandidates,
+                                    TMMBRSet* candidateSet) const {
   CriticalSectionScoped lock(_criticalSectionRTCPReceiver);
 
-  std::map<WebRtc_UWord32, RTCPReceiveInformation*>::const_iterator
+  std::map<uint32_t, RTCPReceiveInformation*>::const_iterator
       receiveInfoIt = _receivedInfoMap.begin();
   if (receiveInfoIt == _receivedInfoMap.end()) {
     return -1;
   }
-  WebRtc_UWord32 num = accNumCandidates;
+  uint32_t num = accNumCandidates;
   if (candidateSet) {
     while( num < size && receiveInfoIt != _receivedInfoMap.end()) {
       RTCPReceiveInformation* receiveInfo = receiveInfoIt->second;
       if (receiveInfo == NULL) {
         return 0;
       }
-      for (WebRtc_UWord32 i = 0;
+      for (uint32_t i = 0;
            (num < size) && (i < receiveInfo->TmmbrSet.lengthOfSet()); i++) {
         if (receiveInfo->GetTMMBRSet(i, num, candidateSet,
                                      _clock->TimeInMilliseconds()) == 0) {
@@ -1410,8 +1409,8 @@
   return num;
 }
 
-WebRtc_Word32
-RTCPReceiver::SetPacketTimeout(const WebRtc_UWord32 timeoutMS)
+int32_t
+RTCPReceiver::SetPacketTimeout(const uint32_t timeoutMS)
 {
     CriticalSectionScoped lock(_criticalSectionRTCPReceiver);
     _packetTimeOutMS = timeoutMS;
@@ -1435,7 +1434,7 @@
             return;
         }
 
-        WebRtc_Word64 now = _clock->TimeInMilliseconds();
+        int64_t now = _clock->TimeInMilliseconds();
         if(now - _lastReceived > _packetTimeOutMS)
         {
             packetTimeOut = true;
diff --git a/webrtc/modules/rtp_rtcp/source/rtcp_receiver.h b/webrtc/modules/rtp_rtcp/source/rtcp_receiver.h
index befe2df..0833b4a 100644
--- a/webrtc/modules/rtp_rtcp/source/rtcp_receiver.h
+++ b/webrtc/modules/rtp_rtcp/source/rtcp_receiver.h
@@ -27,61 +27,62 @@
 class RTCPReceiver : public TMMBRHelp
 {
 public:
-    RTCPReceiver(const WebRtc_Word32 id, Clock* clock,
+    RTCPReceiver(const int32_t id, Clock* clock,
                  ModuleRtpRtcpImpl* owner);
     virtual ~RTCPReceiver();
 
-    void ChangeUniqueId(const WebRtc_Word32 id);
+    void ChangeUniqueId(const int32_t id);
 
     RTCPMethod Status() const;
-    WebRtc_Word32 SetRTCPStatus(const RTCPMethod method);
+    int32_t SetRTCPStatus(const RTCPMethod method);
 
-    WebRtc_Word64 LastReceived();
-    WebRtc_Word64 LastReceivedReceiverReport() const;
+    int64_t LastReceived();
+    int64_t LastReceivedReceiverReport() const;
 
-    void SetSSRC( const WebRtc_UWord32 ssrc);
-    void SetRelaySSRC( const WebRtc_UWord32 ssrc);
-    WebRtc_Word32 SetRemoteSSRC( const WebRtc_UWord32 ssrc);
+    void SetSSRC( const uint32_t ssrc);
+    void SetRelaySSRC( const uint32_t ssrc);
+    int32_t SetRemoteSSRC( const uint32_t ssrc);
 
-    WebRtc_UWord32 RelaySSRC() const;
+    uint32_t RelaySSRC() const;
 
     void RegisterRtcpObservers(RtcpIntraFrameObserver* intra_frame_callback,
                                RtcpBandwidthObserver* bandwidth_callback,
                                RtcpFeedback* feedback_callback);
 
-    WebRtc_Word32 IncomingRTCPPacket(RTCPHelp::RTCPPacketInformation& rtcpPacketInformation,
-                                   RTCPUtility::RTCPParserV2 *rtcpParser);
+    int32_t IncomingRTCPPacket(
+        RTCPHelp::RTCPPacketInformation& rtcpPacketInformation,
+        RTCPUtility::RTCPParserV2 *rtcpParser);
 
     void TriggerCallbacksFromRTCPPacket(RTCPHelp::RTCPPacketInformation& rtcpPacketInformation);
 
     // get received cname
-    WebRtc_Word32 CNAME(const WebRtc_UWord32 remoteSSRC,
-                        char cName[RTCP_CNAME_SIZE]) const;
+    int32_t CNAME(const uint32_t remoteSSRC,
+                  char cName[RTCP_CNAME_SIZE]) const;
 
     // get received NTP
-    WebRtc_Word32 NTP(WebRtc_UWord32 *ReceivedNTPsecs,
-                      WebRtc_UWord32 *ReceivedNTPfrac,
-                      WebRtc_UWord32 *RTCPArrivalTimeSecs,
-                      WebRtc_UWord32 *RTCPArrivalTimeFrac,
-                      WebRtc_UWord32 *rtcp_timestamp) const;
+    int32_t NTP(uint32_t *ReceivedNTPsecs,
+                uint32_t *ReceivedNTPfrac,
+                uint32_t *RTCPArrivalTimeSecs,
+                uint32_t *RTCPArrivalTimeFrac,
+                uint32_t *rtcp_timestamp) const;
 
     // get rtt
-    WebRtc_Word32 RTT(const WebRtc_UWord32 remoteSSRC,
-                      WebRtc_UWord16* RTT,
-                      WebRtc_UWord16* avgRTT,
-                      WebRtc_UWord16* minRTT,
-                      WebRtc_UWord16* maxRTT) const;
+    int32_t RTT(const uint32_t remoteSSRC,
+                uint16_t* RTT,
+                uint16_t* avgRTT,
+                uint16_t* minRTT,
+                uint16_t* maxRTT) const;
 
-    WebRtc_UWord16 RTT() const;
+    uint16_t RTT() const;
 
-    int SetRTT(WebRtc_UWord16 rtt);
+    int SetRTT(uint16_t rtt);
 
-    WebRtc_Word32 ResetRTT(const WebRtc_UWord32 remoteSSRC);
+    int32_t ResetRTT(const uint32_t remoteSSRC);
 
-    WebRtc_Word32 SenderInfoReceived(RTCPSenderInfo* senderInfo) const;
+    int32_t SenderInfoReceived(RTCPSenderInfo* senderInfo) const;
 
     // get statistics
-    WebRtc_Word32 StatisticsReceived(
+    int32_t StatisticsReceived(
         std::vector<RTCPReportBlock>* receiveBlocks) const;
 
     // Returns true if we haven't received an RTCP RR for several RTCP
@@ -95,28 +96,28 @@
     bool RtcpRrSequenceNumberTimeout(int64_t rtcp_interval_ms);
 
     // Get TMMBR
-    WebRtc_Word32 TMMBRReceived(const WebRtc_UWord32 size,
-                                const WebRtc_UWord32 accNumCandidates,
-                                TMMBRSet* candidateSet) const;
+    int32_t TMMBRReceived(const uint32_t size,
+                          const uint32_t accNumCandidates,
+                          TMMBRSet* candidateSet) const;
 
     bool UpdateRTCPReceiveInformationTimers();
 
-    WebRtc_Word32 BoundingSet(bool &tmmbrOwner, TMMBRSet* boundingSetRec);
+    int32_t BoundingSet(bool &tmmbrOwner, TMMBRSet* boundingSetRec);
 
-    WebRtc_Word32 UpdateTMMBR();
+    int32_t UpdateTMMBR();
 
-    WebRtc_Word32 SetPacketTimeout(const WebRtc_UWord32 timeoutMS);
+    int32_t SetPacketTimeout(const uint32_t timeoutMS);
     void PacketTimeout();
 
 protected:
-    RTCPHelp::RTCPReportBlockInformation* CreateReportBlockInformation(const WebRtc_UWord32 remoteSSRC);
-    RTCPHelp::RTCPReportBlockInformation* GetReportBlockInformation(const WebRtc_UWord32 remoteSSRC) const;
+    RTCPHelp::RTCPReportBlockInformation* CreateReportBlockInformation(const uint32_t remoteSSRC);
+    RTCPHelp::RTCPReportBlockInformation* GetReportBlockInformation(const uint32_t remoteSSRC) const;
 
-    RTCPUtility::RTCPCnameInformation* CreateCnameInformation(const WebRtc_UWord32 remoteSSRC);
-    RTCPUtility::RTCPCnameInformation* GetCnameInformation(const WebRtc_UWord32 remoteSSRC) const;
+    RTCPUtility::RTCPCnameInformation* CreateCnameInformation(const uint32_t remoteSSRC);
+    RTCPUtility::RTCPCnameInformation* GetCnameInformation(const uint32_t remoteSSRC) const;
 
-    RTCPHelp::RTCPReceiveInformation* CreateReceiveInformation(const WebRtc_UWord32 remoteSSRC);
-    RTCPHelp::RTCPReceiveInformation* GetReceiveInformation(const WebRtc_UWord32 remoteSSRC);
+    RTCPHelp::RTCPReceiveInformation* CreateReceiveInformation(const uint32_t remoteSSRC);
+    RTCPHelp::RTCPReceiveInformation* GetReceiveInformation(const uint32_t remoteSSRC);
 
     void UpdateReceiveInformation( RTCPHelp::RTCPReceiveInformation& receiveInformation);
 
@@ -125,8 +126,8 @@
 
     void HandleReportBlock(const RTCPUtility::RTCPPacket& rtcpPacket,
                            RTCPHelp::RTCPPacketInformation& rtcpPacketInformation,
-                           const WebRtc_UWord32 remoteSSRC,
-                           const WebRtc_UWord8 numberOfReportBlocks);
+                           const uint32_t remoteSSRC,
+                           const uint8_t numberOfReportBlocks);
 
     void HandleSDES(RTCPUtility::RTCPParserV2& rtcpParser);
 
@@ -173,7 +174,7 @@
     void HandleTMMBRItem(RTCPHelp::RTCPReceiveInformation& receiveInfo,
                          const RTCPUtility::RTCPPacket& rtcpPacket,
                          RTCPHelp::RTCPPacketInformation& rtcpPacketInformation,
-                         const WebRtc_UWord32 senderSSRC);
+                         const uint32_t senderSSRC);
 
     void HandleTMMBN(RTCPUtility::RTCPParserV2& rtcpParser,
                      RTCPHelp::RTCPPacketInformation& rtcpPacketInformation);
@@ -198,12 +199,12 @@
                        RTCPHelp::RTCPPacketInformation& rtcpPacketInformation);
 
  private:
-  typedef std::map<WebRtc_UWord32, RTCPHelp::RTCPReceiveInformation*>
+  typedef std::map<uint32_t, RTCPHelp::RTCPReceiveInformation*>
       ReceivedInfoMap;
-  WebRtc_Word32           _id;
+  int32_t           _id;
   Clock*                  _clock;
   RTCPMethod              _method;
-  WebRtc_Word64           _lastReceived;
+  int64_t           _lastReceived;
   ModuleRtpRtcpImpl&      _rtpRtcp;
 
   CriticalSectionWrapper* _criticalSectionFeedbacks;
@@ -212,23 +213,23 @@
   RtcpIntraFrameObserver* _cbRtcpIntraFrameObserver;
 
   CriticalSectionWrapper* _criticalSectionRTCPReceiver;
-  WebRtc_UWord32          _SSRC;
-  WebRtc_UWord32          _remoteSSRC;
+  uint32_t          _SSRC;
+  uint32_t          _remoteSSRC;
 
   // Received send report
   RTCPSenderInfo _remoteSenderInfo;
   // when did we receive the last send report
-  WebRtc_UWord32 _lastReceivedSRNTPsecs;
-  WebRtc_UWord32 _lastReceivedSRNTPfrac;
+  uint32_t _lastReceivedSRNTPsecs;
+  uint32_t _lastReceivedSRNTPfrac;
 
   // Received report blocks.
-  std::map<WebRtc_UWord32, RTCPHelp::RTCPReportBlockInformation*>
+  std::map<uint32_t, RTCPHelp::RTCPReportBlockInformation*>
       _receivedReportBlockMap;
   ReceivedInfoMap _receivedInfoMap;
-  std::map<WebRtc_UWord32, RTCPUtility::RTCPCnameInformation*>
+  std::map<uint32_t, RTCPUtility::RTCPCnameInformation*>
       _receivedCnameMap;
 
-  WebRtc_UWord32            _packetTimeOutMS;
+  uint32_t            _packetTimeOutMS;
 
   // The last time we received an RTCP RR.
   int64_t _lastReceivedRrMs;
@@ -239,7 +240,7 @@
 
   // Externally set RTT. This value can only be used if there are no valid
   // RTT estimates.
-  WebRtc_UWord16 _rtt;
+  uint16_t _rtt;
 
 };
 } // namespace webrtc
diff --git a/webrtc/modules/rtp_rtcp/source/rtcp_receiver_help.cc b/webrtc/modules/rtp_rtcp/source/rtcp_receiver_help.cc
index 4115f5d..31b41ab 100644
--- a/webrtc/modules/rtp_rtcp/source/rtcp_receiver_help.cc
+++ b/webrtc/modules/rtp_rtcp/source/rtcp_receiver_help.cc
@@ -54,19 +54,19 @@
     memcpy(VoIPMetric, metric, sizeof(RTCPVoIPMetric));
 }
 
-void RTCPPacketInformation::AddApplicationData(const WebRtc_UWord8* data,
-                                               const WebRtc_UWord16 size) {
-    WebRtc_UWord8* oldData = applicationData;
-    WebRtc_UWord16 oldLength = applicationLength;
+void RTCPPacketInformation::AddApplicationData(const uint8_t* data,
+                                               const uint16_t size) {
+    uint8_t* oldData = applicationData;
+    uint16_t oldLength = applicationLength;
 
     // Don't copy more than kRtcpAppCode_DATA_SIZE bytes.
-    WebRtc_UWord16 copySize = size;
+    uint16_t copySize = size;
     if (size > kRtcpAppCode_DATA_SIZE) {
         copySize = kRtcpAppCode_DATA_SIZE;
     }
 
     applicationLength += copySize;
-    applicationData = new WebRtc_UWord8[applicationLength];
+    applicationData = new uint8_t[applicationLength];
 
     if (oldData)
     {
@@ -86,7 +86,7 @@
 }
 
 void
-RTCPPacketInformation::AddNACKPacket(const WebRtc_UWord16 packetID)
+RTCPPacketInformation::AddNACKPacket(const uint16_t packetID)
 {
   if (nackSequenceNumbers.size() >= kSendSideNackListSizeSanity) {
     return;
@@ -95,10 +95,10 @@
 }
 
 void
-RTCPPacketInformation::AddReportInfo(const WebRtc_UWord8 fraction,
-                                     const WebRtc_UWord16 rtt,
-                                     const WebRtc_UWord32 extendedHighSeqNum,
-                                     const WebRtc_UWord32 j)
+RTCPPacketInformation::AddReportInfo(const uint8_t fraction,
+                                     const uint16_t rtt,
+                                     const uint32_t extendedHighSeqNum,
+                                     const uint32_t j)
 {
     reportBlock = true;
     fractionLost = fraction;
@@ -136,7 +136,7 @@
 // Increase size of TMMBRSet if needed, and also take care of
 // the _tmmbrSetTimeouts vector.
 void RTCPReceiveInformation::VerifyAndAllocateTMMBRSet(
-    const WebRtc_UWord32 minimumSize) {
+    const uint32_t minimumSize) {
   if (minimumSize > TmmbrSet.sizeOfSet()) {
     TmmbrSet.VerifyAndAllocateSetKeepingData(minimumSize);
     // make sure that our buffers are big enough
@@ -145,11 +145,11 @@
 }
 
 void RTCPReceiveInformation::InsertTMMBRItem(
-    const WebRtc_UWord32 senderSSRC,
+    const uint32_t senderSSRC,
     const RTCPUtility::RTCPPacketRTPFBTMMBRItem& TMMBRItem,
-    const WebRtc_Word64 currentTimeMS) {
+    const int64_t currentTimeMS) {
   // serach to see if we have it in our list
-  for (WebRtc_UWord32 i = 0; i < TmmbrSet.lengthOfSet(); i++)  {
+  for (uint32_t i = 0; i < TmmbrSet.lengthOfSet(); i++)  {
     if (TmmbrSet.Ssrc(i) == senderSSRC) {
       // we already have this SSRC in our list update it
       TmmbrSet.SetEntry(i,
@@ -167,11 +167,11 @@
   _tmmbrSetTimeouts.push_back(currentTimeMS);
 }
 
-WebRtc_Word32 RTCPReceiveInformation::GetTMMBRSet(
-    const WebRtc_UWord32 sourceIdx,
-    const WebRtc_UWord32 targetIdx,
+int32_t RTCPReceiveInformation::GetTMMBRSet(
+    const uint32_t sourceIdx,
+    const uint32_t targetIdx,
     TMMBRSet* candidateSet,
-    const WebRtc_Word64 currentTimeMS) {
+    const int64_t currentTimeMS) {
   if (sourceIdx >= TmmbrSet.lengthOfSet()) {
     return -1;
   }
@@ -194,7 +194,7 @@
 }
 
 void RTCPReceiveInformation::VerifyAndAllocateBoundingSet(
-    const WebRtc_UWord32 minimumSize) {
+    const uint32_t minimumSize) {
   TmmbnBoundingSet.VerifyAndAllocateSet(minimumSize);
 }
 } // namespace webrtc
diff --git a/webrtc/modules/rtp_rtcp/source/rtcp_receiver_help.h b/webrtc/modules/rtp_rtcp/source/rtcp_receiver_help.h
index 1d538f0..2c2c375 100644
--- a/webrtc/modules/rtp_rtcp/source/rtcp_receiver_help.h
+++ b/webrtc/modules/rtp_rtcp/source/rtcp_receiver_help.h
@@ -32,38 +32,38 @@
 
     void AddVoIPMetric(const RTCPVoIPMetric*  metric);
 
-    void AddApplicationData(const WebRtc_UWord8* data,
-                            const WebRtc_UWord16 size);
+    void AddApplicationData(const uint8_t* data,
+                            const uint16_t size);
 
-    void AddNACKPacket(const WebRtc_UWord16 packetID);
+    void AddNACKPacket(const uint16_t packetID);
     void ResetNACKPacketIdArray();
 
-    void AddReportInfo(const WebRtc_UWord8 fractionLost,
-                       const WebRtc_UWord16 rtt,
-                       const WebRtc_UWord32 extendedHighSeqNum,
-                       const WebRtc_UWord32 jitter);
+    void AddReportInfo(const uint8_t fractionLost,
+                       const uint16_t rtt,
+                       const uint32_t extendedHighSeqNum,
+                       const uint32_t jitter);
 
-    WebRtc_UWord32  rtcpPacketTypeFlags; // RTCPPacketTypeFlags bit field
-    WebRtc_UWord32  remoteSSRC;
+    uint32_t  rtcpPacketTypeFlags; // RTCPPacketTypeFlags bit field
+    uint32_t  remoteSSRC;
 
     std::list<uint16_t> nackSequenceNumbers;
 
-    WebRtc_UWord8   applicationSubType;
-    WebRtc_UWord32  applicationName;
-    WebRtc_UWord8*  applicationData;
-    WebRtc_UWord16  applicationLength;
+    uint8_t   applicationSubType;
+    uint32_t  applicationName;
+    uint8_t*  applicationData;
+    uint16_t  applicationLength;
 
     bool            reportBlock;
-    WebRtc_UWord8   fractionLost;
-    WebRtc_UWord16  roundTripTime;
-    WebRtc_UWord32  lastReceivedExtendedHighSeqNum;
-    WebRtc_UWord32  jitter;
+    uint8_t   fractionLost;
+    uint16_t  roundTripTime;
+    uint32_t  lastReceivedExtendedHighSeqNum;
+    uint32_t  jitter;
 
-    WebRtc_UWord32  interArrivalJitter;
+    uint32_t  interArrivalJitter;
 
-    WebRtc_UWord8   sliPictureId;
-    WebRtc_UWord64  rpsiPictureId;
-    WebRtc_UWord32  receiverEstimatedMaxBitrate;
+    uint8_t   sliPictureId;
+    uint64_t  rpsiPictureId;
+    uint32_t  receiverEstimatedMaxBitrate;
 
     uint32_t ntp_secs;
     uint32_t ntp_frac;
@@ -84,14 +84,14 @@
 
     // Statistics
     RTCPReportBlock remoteReceiveBlock;
-    WebRtc_UWord32        remoteMaxJitter;
+    uint32_t        remoteMaxJitter;
 
     // RTT
-    WebRtc_UWord16    RTT;
-    WebRtc_UWord16    minRTT;
-    WebRtc_UWord16    maxRTT;
-    WebRtc_UWord16    avgRTT;
-    WebRtc_UWord32    numAverageCalcs;
+    uint16_t    RTT;
+    uint16_t    minRTT;
+    uint16_t    maxRTT;
+    uint16_t    avgRTT;
+    uint32_t    numAverageCalcs;
 };
 
 class RTCPReceiveInformation
@@ -100,24 +100,24 @@
     RTCPReceiveInformation();
     ~RTCPReceiveInformation();
 
-    void VerifyAndAllocateBoundingSet(const WebRtc_UWord32 minimumSize);
-    void VerifyAndAllocateTMMBRSet(const WebRtc_UWord32 minimumSize);
+    void VerifyAndAllocateBoundingSet(const uint32_t minimumSize);
+    void VerifyAndAllocateTMMBRSet(const uint32_t minimumSize);
 
-    void InsertTMMBRItem(const WebRtc_UWord32 senderSSRC,
+    void InsertTMMBRItem(const uint32_t senderSSRC,
                          const RTCPUtility::RTCPPacketRTPFBTMMBRItem& TMMBRItem,
-                         const WebRtc_Word64 currentTimeMS);
+                         const int64_t currentTimeMS);
 
     // get
-    WebRtc_Word32 GetTMMBRSet(const WebRtc_UWord32 sourceIdx,
-                              const WebRtc_UWord32 targetIdx,
-                              TMMBRSet* candidateSet,
-                              const WebRtc_Word64 currentTimeMS);
+    int32_t GetTMMBRSet(const uint32_t sourceIdx,
+                        const uint32_t targetIdx,
+                        TMMBRSet* candidateSet,
+                        const int64_t currentTimeMS);
 
-    WebRtc_Word64 lastTimeReceived;
+    int64_t lastTimeReceived;
 
     // FIR
-    WebRtc_Word32 lastFIRSequenceNumber;
-    WebRtc_Word64 lastFIRRequest;
+    int32_t lastFIRSequenceNumber;
+    int64_t lastFIRRequest;
 
     // TMMBN
     TMMBRSet        TmmbnBoundingSet;
@@ -127,7 +127,7 @@
 
     bool            readyForDelete;
 private:
-    std::vector<WebRtc_Word64> _tmmbrSetTimeouts;
+    std::vector<int64_t> _tmmbrSetTimeouts;
 };
 
 } // end namespace RTCPHelp
diff --git a/webrtc/modules/rtp_rtcp/source/rtcp_receiver_unittest.cc b/webrtc/modules/rtp_rtcp/source/rtcp_receiver_unittest.cc
index 6de2590..b0f5c20 100644
--- a/webrtc/modules/rtp_rtcp/source/rtcp_receiver_unittest.cc
+++ b/webrtc/modules/rtp_rtcp/source/rtcp_receiver_unittest.cc
@@ -39,25 +39,25 @@
   }
 
 
-  void Add8(WebRtc_UWord8 byte) {
+  void Add8(uint8_t byte) {
     EXPECT_LT(pos_, kMaxPacketSize - 1);
     buffer_[pos_] = byte;
     ++ pos_;
   }
 
-  void Add16(WebRtc_UWord16 word) {
+  void Add16(uint16_t word) {
     Add8(word >> 8);
     Add8(word & 0xFF);
   }
 
-  void Add32(WebRtc_UWord32 word) {
+  void Add32(uint32_t word) {
     Add8(word >> 24);
     Add8((word >> 16) & 0xFF);
     Add8((word >> 8) & 0xFF);
     Add8(word & 0xFF);
   }
 
-  void Add64(WebRtc_UWord32 upper_half, WebRtc_UWord32 lower_half) {
+  void Add64(uint32_t upper_half, uint32_t lower_half) {
     Add32(upper_half);
     Add32(lower_half);
   }
@@ -76,14 +76,14 @@
 
   void AddTmmbrBandwidth(int mantissa, int exponent, int overhead) {
     // 6 bits exponent, 17 bits mantissa, 9 bits overhead.
-    WebRtc_UWord32 word = 0;
+    uint32_t word = 0;
     word |= (exponent << 26);
     word |= ((mantissa & 0x1FFFF) << 9);
     word |= (overhead & 0x1FF);
     Add32(word);
   }
 
-  void AddSrPacket(WebRtc_UWord32 sender_ssrc) {
+  void AddSrPacket(uint32_t sender_ssrc) {
     AddRtcpHeader(200, 0);
     Add32(sender_ssrc);
     Add64(0x10203, 0x4050607);  // NTP timestamp
@@ -92,8 +92,8 @@
     Add32(0);  // Sender's octet count
   }
 
-  void AddRrPacket(WebRtc_UWord32 sender_ssrc, WebRtc_UWord32 rtp_ssrc,
-                   WebRtc_UWord32 extended_max) {
+  void AddRrPacket(uint32_t sender_ssrc, uint32_t rtp_ssrc,
+                   uint32_t extended_max) {
     AddRtcpHeader(201, 1);
     Add32(sender_ssrc);
     Add32(rtp_ssrc);
@@ -104,7 +104,7 @@
     Add32(0);  // Delay since last SR.
   }
 
-  const WebRtc_UWord8* packet() {
+  const uint8_t* packet() {
     PatchLengthField();
     return buffer_;
   }
@@ -131,7 +131,7 @@
   // Where the length field of the current packet is.
   // Note that 0 is not a legal value, so is used for "uninitialized".
   int pos_of_len_;
-  WebRtc_UWord8 buffer_[kMaxPacketSize];
+  uint8_t buffer_[kMaxPacketSize];
 };
 
 // This test transport verifies that no functions get called.
@@ -155,8 +155,8 @@
     return 0;
   }
 
-  virtual int OnReceivedPayloadData(const WebRtc_UWord8* payloadData,
-                                    const WebRtc_UWord16 payloadSize,
+  virtual int OnReceivedPayloadData(const uint8_t* payloadData,
+                                    const uint16_t payloadSize,
                                     const WebRtcRTPHeader* rtpHeader) {
     ADD_FAILURE();
     return 0;
@@ -196,8 +196,8 @@
 
   // Injects an RTCP packet into the receiver.
   // Returns 0 for OK, non-0 for failure.
-  int InjectRtcpPacket(const WebRtc_UWord8* packet,
-                        WebRtc_UWord16 packet_len) {
+  int InjectRtcpPacket(const uint8_t* packet,
+                        uint16_t packet_len) {
     RTCPUtility::RTCPParserV2 rtcpParser(packet,
                                          packet_len,
                                          true);  // Allow non-compound RTCP
@@ -243,13 +243,13 @@
 
 
 TEST_F(RtcpReceiverTest, BrokenPacketIsIgnored) {
-  const WebRtc_UWord8 bad_packet[] = {0, 0, 0, 0};
+  const uint8_t bad_packet[] = {0, 0, 0, 0};
   EXPECT_EQ(0, InjectRtcpPacket(bad_packet, sizeof(bad_packet)));
   EXPECT_EQ(0U, rtcp_packet_info_.rtcpPacketTypeFlags);
 }
 
 TEST_F(RtcpReceiverTest, InjectSrPacket) {
-  const WebRtc_UWord32 kSenderSsrc = 0x10203;
+  const uint32_t kSenderSsrc = 0x10203;
   PacketBuilder p;
   p.AddSrPacket(kSenderSsrc);
   EXPECT_EQ(0, InjectRtcpPacket(p.packet(), p.length()));
@@ -326,9 +326,9 @@
 }
 
 TEST_F(RtcpReceiverTest, TmmbrPacketAccepted) {
-  const WebRtc_UWord32 kMediaFlowSsrc = 0x2040608;
-  const WebRtc_UWord32 kSenderSsrc = 0x10203;
-  const WebRtc_UWord32 kMediaRecipientSsrc = 0x101;
+  const uint32_t kMediaFlowSsrc = 0x2040608;
+  const uint32_t kSenderSsrc = 0x10203;
+  const uint32_t kMediaRecipientSsrc = 0x101;
   rtcp_receiver_->SetSSRC(kMediaFlowSsrc);  // Matches "media source" above.
 
   PacketBuilder p;
@@ -350,10 +350,10 @@
 }
 
 TEST_F(RtcpReceiverTest, TmmbrPacketNotForUsIgnored) {
-  const WebRtc_UWord32 kMediaFlowSsrc = 0x2040608;
-  const WebRtc_UWord32 kSenderSsrc = 0x10203;
-  const WebRtc_UWord32 kMediaRecipientSsrc = 0x101;
-  const WebRtc_UWord32 kOtherMediaFlowSsrc = 0x9999;
+  const uint32_t kMediaFlowSsrc = 0x2040608;
+  const uint32_t kSenderSsrc = 0x10203;
+  const uint32_t kMediaRecipientSsrc = 0x101;
+  const uint32_t kOtherMediaFlowSsrc = 0x9999;
 
   PacketBuilder p;
   p.AddSrPacket(kSenderSsrc);
@@ -370,9 +370,9 @@
 }
 
 TEST_F(RtcpReceiverTest, TmmbrPacketZeroRateIgnored) {
-  const WebRtc_UWord32 kMediaFlowSsrc = 0x2040608;
-  const WebRtc_UWord32 kSenderSsrc = 0x10203;
-  const WebRtc_UWord32 kMediaRecipientSsrc = 0x101;
+  const uint32_t kMediaFlowSsrc = 0x2040608;
+  const uint32_t kSenderSsrc = 0x10203;
+  const uint32_t kMediaRecipientSsrc = 0x101;
   rtcp_receiver_->SetSSRC(kMediaFlowSsrc);  // Matches "media source" above.
 
   PacketBuilder p;
@@ -389,14 +389,14 @@
 }
 
 TEST_F(RtcpReceiverTest, TmmbrThreeConstraintsTimeOut) {
-  const WebRtc_UWord32 kMediaFlowSsrc = 0x2040608;
-  const WebRtc_UWord32 kSenderSsrc = 0x10203;
-  const WebRtc_UWord32 kMediaRecipientSsrc = 0x101;
+  const uint32_t kMediaFlowSsrc = 0x2040608;
+  const uint32_t kSenderSsrc = 0x10203;
+  const uint32_t kMediaRecipientSsrc = 0x101;
   rtcp_receiver_->SetSSRC(kMediaFlowSsrc);  // Matches "media source" above.
 
   // Inject 3 packets "from" kMediaRecipientSsrc, Ssrc+1, Ssrc+2.
   // The times of arrival are starttime + 0, starttime + 5 and starttime + 10.
-  for (WebRtc_UWord32 ssrc = kMediaRecipientSsrc;
+  for (uint32_t ssrc = kMediaRecipientSsrc;
        ssrc < kMediaRecipientSsrc+3; ++ssrc) {
     PacketBuilder p;
     p.AddSrPacket(kSenderSsrc);
diff --git a/webrtc/modules/rtp_rtcp/source/rtcp_sender.cc b/webrtc/modules/rtp_rtcp/source/rtcp_sender.cc
index 92b0be6..ef97f85 100644
--- a/webrtc/modules/rtp_rtcp/source/rtcp_sender.cc
+++ b/webrtc/modules/rtp_rtcp/source/rtcp_sender.cc
@@ -30,7 +30,7 @@
     // Empty.
 }
 
-void NACKStringBuilder::PushNACK(WebRtc_UWord16 nack)
+void NACKStringBuilder::PushNACK(uint16_t nack)
 {
     if (_count == 0)
     {
@@ -61,7 +61,7 @@
     return _stream.str();
 }
 
-RTCPSender::RTCPSender(const WebRtc_Word32 id,
+RTCPSender::RTCPSender(const int32_t id,
                        const bool audio,
                        Clock* clock,
                        ModuleRtpRtcpImpl* owner) :
@@ -134,13 +134,13 @@
   delete [] _appData;
 
   while (!_reportBlocks.empty()) {
-    std::map<WebRtc_UWord32, RTCPReportBlock*>::iterator it =
+    std::map<uint32_t, RTCPReportBlock*>::iterator it =
         _reportBlocks.begin();
     delete it->second;
     _reportBlocks.erase(it);
   }
   while (!_csrcCNAMEs.empty()) {
-    std::map<WebRtc_UWord32, RTCPCnameInformation*>::iterator it =
+    std::map<uint32_t, RTCPCnameInformation*>::iterator it =
         _csrcCNAMEs.begin();
     delete it->second;
     _csrcCNAMEs.erase(it);
@@ -151,7 +151,7 @@
   WEBRTC_TRACE(kTraceMemory, kTraceRtpRtcp, _id, "%s deleted", __FUNCTION__);
 }
 
-WebRtc_Word32
+int32_t
 RTCPSender::Init()
 {
     CriticalSectionScoped lock(_criticalSectionRTCPSender);
@@ -201,12 +201,12 @@
 }
 
 void
-RTCPSender::ChangeUniqueId(const WebRtc_Word32 id)
+RTCPSender::ChangeUniqueId(const int32_t id)
 {
     _id = id;
 }
 
-WebRtc_Word32
+int32_t
 RTCPSender::RegisterSendTransport(Transport* outgoingTransport)
 {
     CriticalSectionScoped lock(_criticalSectionTransport);
@@ -221,7 +221,7 @@
     return _method;
 }
 
-WebRtc_Word32
+int32_t
 RTCPSender::SetRTCPStatus(const RTCPMethod method)
 {
     CriticalSectionScoped lock(_criticalSectionRTCPSender);
@@ -248,7 +248,7 @@
     return _sending;
 }
 
-WebRtc_Word32
+int32_t
 RTCPSender::SetSendingStatus(const bool sending)
 {
     bool sendRTCPBye = false;
@@ -279,7 +279,7 @@
     return _REMB;
 }
 
-WebRtc_Word32
+int32_t
 RTCPSender::SetREMBStatus(const bool enable)
 {
     CriticalSectionScoped lock(_criticalSectionRTCPSender);
@@ -287,10 +287,10 @@
     return 0;
 }
 
-WebRtc_Word32
-RTCPSender::SetREMBData(const WebRtc_UWord32 bitrate,
-                        const WebRtc_UWord8 numberOfSSRC,
-                        const WebRtc_UWord32* SSRC)
+int32_t
+RTCPSender::SetREMBData(const uint32_t bitrate,
+                        const uint8_t numberOfSSRC,
+                        const uint32_t* SSRC)
 {
     CriticalSectionScoped lock(_criticalSectionRTCPSender);
     _rembBitrate = bitrate;
@@ -298,7 +298,7 @@
     if(_sizeRembSSRC < numberOfSSRC)
     {
         delete [] _rembSSRC;
-        _rembSSRC = new WebRtc_UWord32[numberOfSSRC];
+        _rembSSRC = new uint32_t[numberOfSSRC];
         _sizeRembSSRC = numberOfSSRC;
     } 
 
@@ -318,7 +318,7 @@
     return _TMMBR;
 }
 
-WebRtc_Word32
+int32_t
 RTCPSender::SetTMMBRStatus(const bool enable)
 {
     CriticalSectionScoped lock(_criticalSectionRTCPSender);
@@ -333,7 +333,7 @@
     return _IJ;
 }
 
-WebRtc_Word32
+int32_t
 RTCPSender::SetIJStatus(const bool enable)
 {
     CriticalSectionScoped lock(_criticalSectionRTCPSender);
@@ -358,7 +358,7 @@
 }
 
 void
-RTCPSender::SetSSRC( const WebRtc_UWord32 ssrc)
+RTCPSender::SetSSRC( const uint32_t ssrc)
 {
     CriticalSectionScoped lock(_criticalSectionRTCPSender);
 
@@ -372,16 +372,16 @@
     _SSRC = ssrc;
 }
 
-WebRtc_Word32
-RTCPSender::SetRemoteSSRC( const WebRtc_UWord32 ssrc)
+int32_t
+RTCPSender::SetRemoteSSRC( const uint32_t ssrc)
 {
     CriticalSectionScoped lock(_criticalSectionRTCPSender);
     _remoteSSRC = ssrc;
     return 0;
 }
 
-WebRtc_Word32
-RTCPSender::SetCameraDelay(const WebRtc_Word32 delayMS)
+int32_t
+RTCPSender::SetCameraDelay(const int32_t delayMS)
 {
     CriticalSectionScoped lock(_criticalSectionRTCPSender);
     if(delayMS > 1000 || delayMS < -1000)
@@ -393,7 +393,7 @@
     return 0;
 }
 
-WebRtc_Word32 RTCPSender::CNAME(char cName[RTCP_CNAME_SIZE]) {
+int32_t RTCPSender::CNAME(char cName[RTCP_CNAME_SIZE]) {
   assert(cName);
   CriticalSectionScoped lock(_criticalSectionRTCPSender);
   cName[RTCP_CNAME_SIZE - 1] = 0;
@@ -401,7 +401,7 @@
   return 0;
 }
 
-WebRtc_Word32 RTCPSender::SetCNAME(const char cName[RTCP_CNAME_SIZE]) {
+int32_t RTCPSender::SetCNAME(const char cName[RTCP_CNAME_SIZE]) {
   if (!cName)
     return -1;
 
@@ -411,8 +411,8 @@
   return 0;
 }
 
-WebRtc_Word32 RTCPSender::AddMixedCNAME(const WebRtc_UWord32 SSRC,
-                                        const char cName[RTCP_CNAME_SIZE]) {
+int32_t RTCPSender::AddMixedCNAME(const uint32_t SSRC,
+                                  const char cName[RTCP_CNAME_SIZE]) {
   assert(cName);
   CriticalSectionScoped lock(_criticalSectionRTCPSender);
   if (_csrcCNAMEs.size() >= kRtpCsrcSize) {
@@ -425,9 +425,9 @@
   return 0;
 }
 
-WebRtc_Word32 RTCPSender::RemoveMixedCNAME(const WebRtc_UWord32 SSRC) {
+int32_t RTCPSender::RemoveMixedCNAME(const uint32_t SSRC) {
   CriticalSectionScoped lock(_criticalSectionRTCPSender);
-  std::map<WebRtc_UWord32, RTCPCnameInformation*>::iterator it =
+  std::map<uint32_t, RTCPCnameInformation*>::iterator it =
       _csrcCNAMEs.find(SSRC);
 
   if (it == _csrcCNAMEs.end()) {
@@ -498,7 +498,7 @@
       a value of the RTCP bandwidth below the intended average
 */
 
-    WebRtc_Word64 now = _clock->TimeInMilliseconds();
+    int64_t now = _clock->TimeInMilliseconds();
 
     CriticalSectionScoped lock(_criticalSectionRTCPSender);
 
@@ -526,8 +526,8 @@
     return false;
 }
 
-WebRtc_UWord32
-RTCPSender::LastSendReport( WebRtc_UWord32& lastRTCPTime)
+uint32_t
+RTCPSender::LastSendReport( uint32_t& lastRTCPTime)
 {
     CriticalSectionScoped lock(_criticalSectionRTCPSender);
 
@@ -535,8 +535,8 @@
     return _lastSendReport[0];
 }
 
-WebRtc_UWord32
-RTCPSender::SendTimeOfSendReport(const WebRtc_UWord32 sendReport)
+uint32_t
+RTCPSender::SendTimeOfSendReport(const uint32_t sendReport)
 {
     CriticalSectionScoped lock(_criticalSectionRTCPSender);
 
@@ -557,8 +557,8 @@
     return 0;
 }
 
-WebRtc_Word32 RTCPSender::AddReportBlock(const WebRtc_UWord32 SSRC,
-                                         const RTCPReportBlock* reportBlock) {
+int32_t RTCPSender::AddReportBlock(const uint32_t SSRC,
+                                   const RTCPReportBlock* reportBlock) {
   if (reportBlock == NULL) {
     WEBRTC_TRACE(kTraceError, kTraceRtpRtcp, _id,
                  "%s invalid argument", __FUNCTION__);
@@ -571,7 +571,7 @@
                  "%s invalid argument", __FUNCTION__);
     return -1;
   }
-  std::map<WebRtc_UWord32, RTCPReportBlock*>::iterator it =
+  std::map<uint32_t, RTCPReportBlock*>::iterator it =
       _reportBlocks.find(SSRC);
   if (it != _reportBlocks.end()) {
     delete it->second;
@@ -583,10 +583,10 @@
   return 0;
 }
 
-WebRtc_Word32 RTCPSender::RemoveReportBlock(const WebRtc_UWord32 SSRC) {
+int32_t RTCPSender::RemoveReportBlock(const uint32_t SSRC) {
   CriticalSectionScoped lock(_criticalSectionRTCPSender);
 
-  std::map<WebRtc_UWord32, RTCPReportBlock*>::iterator it =
+  std::map<uint32_t, RTCPReportBlock*>::iterator it =
       _reportBlocks.find(SSRC);
 
   if (it == _reportBlocks.end()) {
@@ -597,11 +597,11 @@
   return 0;
 }
 
-WebRtc_Word32
-RTCPSender::BuildSR(WebRtc_UWord8* rtcpbuffer,
-                    WebRtc_UWord32& pos,
-                    const WebRtc_UWord32 NTPsec,
-                    const WebRtc_UWord32 NTPfrac,
+int32_t
+RTCPSender::BuildSR(uint8_t* rtcpbuffer,
+                    uint32_t& pos,
+                    const uint32_t NTPsec,
+                    const uint32_t NTPfrac,
                     const RTCPReportBlock* received)
 {
     // sanity
@@ -610,13 +610,13 @@
         WEBRTC_TRACE(kTraceError, kTraceRtpRtcp, _id, "%s invalid argument", __FUNCTION__);
         return -2;
     }
-    WebRtc_UWord32 RTPtime;
+    uint32_t RTPtime;
 
-    WebRtc_UWord32 posNumberOfReportBlocks = pos;
-    rtcpbuffer[pos++]=(WebRtc_UWord8)0x80;
+    uint32_t posNumberOfReportBlocks = pos;
+    rtcpbuffer[pos++]=(uint8_t)0x80;
 
     // Sender report
-    rtcpbuffer[pos++]=(WebRtc_UWord8)200;
+    rtcpbuffer[pos++]=(uint8_t)200;
 
     for(int i = (RTCP_NUMBER_OF_SR-2); i >= 0; i--)
     {
@@ -628,7 +628,7 @@
     _lastRTCPTime[0] = ModuleRTPUtility::ConvertNTPTimeToMS(NTPsec, NTPfrac);
     _lastSendReport[0] = (NTPsec << 16) + (NTPfrac >> 16);
 
-    WebRtc_UWord32 freqHz = 90000; // For video
+    uint32_t freqHz = 90000; // For video
     if(_audio) {
       freqHz =  _rtpRtcp.CurrentSendFrequencyHz();
     }
@@ -669,8 +669,8 @@
     ModuleRTPUtility::AssignUWord32ToBuffer(rtcpbuffer+pos, _rtpRtcp.ByteCountSent());
     pos += 4;
 
-    WebRtc_UWord8 numberOfReportBlocks = 0;
-    WebRtc_Word32 retVal = AddReportBlocks(rtcpbuffer, pos, numberOfReportBlocks, received, NTPsec, NTPfrac);
+    uint8_t numberOfReportBlocks = 0;
+    int32_t retVal = AddReportBlocks(rtcpbuffer, pos, numberOfReportBlocks, received, NTPsec, NTPfrac);
     if(retVal < 0)
     {
         //
@@ -678,14 +678,14 @@
     }
     rtcpbuffer[posNumberOfReportBlocks] += numberOfReportBlocks;
 
-    WebRtc_UWord16 len = WebRtc_UWord16((pos/4) -1);
+    uint16_t len = uint16_t((pos/4) -1);
     ModuleRTPUtility::AssignUWord16ToBuffer(rtcpbuffer+2, len);
     return 0;
 }
 
 
-WebRtc_Word32 RTCPSender::BuildSDEC(WebRtc_UWord8* rtcpbuffer,
-                                    WebRtc_UWord32& pos) {
+int32_t RTCPSender::BuildSDEC(uint8_t* rtcpbuffer,
+                              uint32_t& pos) {
   size_t lengthCname = strlen(_CNAME);
   assert(lengthCname < RTCP_CNAME_SIZE);
 
@@ -698,11 +698,11 @@
   // SDEC Source Description
 
   // We always need to add SDES CNAME
-  rtcpbuffer[pos++] = static_cast<WebRtc_UWord8>(0x80 + 1 + _csrcCNAMEs.size());
-  rtcpbuffer[pos++] = static_cast<WebRtc_UWord8>(202);
+  rtcpbuffer[pos++] = static_cast<uint8_t>(0x80 + 1 + _csrcCNAMEs.size());
+  rtcpbuffer[pos++] = static_cast<uint8_t>(202);
 
   // handle SDES length later on
-  WebRtc_UWord32 SDESLengthPos = pos;
+  uint32_t SDESLengthPos = pos;
   pos++;
   pos++;
 
@@ -711,18 +711,18 @@
   pos += 4;
 
   // CNAME = 1
-  rtcpbuffer[pos++] = static_cast<WebRtc_UWord8>(1);
+  rtcpbuffer[pos++] = static_cast<uint8_t>(1);
 
   //
-  rtcpbuffer[pos++] = static_cast<WebRtc_UWord8>(lengthCname);
+  rtcpbuffer[pos++] = static_cast<uint8_t>(lengthCname);
 
-  WebRtc_UWord16 SDESLength = 10;
+  uint16_t SDESLength = 10;
 
   memcpy(&rtcpbuffer[pos], _CNAME, lengthCname);
   pos += lengthCname;
-  SDESLength += (WebRtc_UWord16)lengthCname;
+  SDESLength += (uint16_t)lengthCname;
 
-  WebRtc_UWord16 padding = 0;
+  uint16_t padding = 0;
   // We must have a zero field even if we have an even multiple of 4 bytes
   if ((pos % 4) == 0) {
     padding++;
@@ -734,31 +734,31 @@
   }
   SDESLength += padding;
 
-  std::map<WebRtc_UWord32, RTCPUtility::RTCPCnameInformation*>::iterator it =
+  std::map<uint32_t, RTCPUtility::RTCPCnameInformation*>::iterator it =
       _csrcCNAMEs.begin();
 
   for(; it != _csrcCNAMEs.end(); it++) {
     RTCPCnameInformation* cname = it->second;
-    WebRtc_UWord32 SSRC = it->first;
+    uint32_t SSRC = it->first;
 
     // Add SSRC
     ModuleRTPUtility::AssignUWord32ToBuffer(rtcpbuffer+pos, SSRC);
     pos += 4;
 
     // CNAME = 1
-    rtcpbuffer[pos++] = static_cast<WebRtc_UWord8>(1);
+    rtcpbuffer[pos++] = static_cast<uint8_t>(1);
 
     size_t length = strlen(cname->name);
     assert(length < RTCP_CNAME_SIZE);
 
-    rtcpbuffer[pos++]= static_cast<WebRtc_UWord8>(length);
+    rtcpbuffer[pos++]= static_cast<uint8_t>(length);
     SDESLength += 6;
 
     memcpy(&rtcpbuffer[pos],cname->name, length);
 
     pos += length;
     SDESLength += length;
-    WebRtc_UWord16 padding = 0;
+    uint16_t padding = 0;
 
     // We must have a zero field even if we have an even multiple of 4 bytes
     if((pos % 4) == 0){
@@ -772,17 +772,17 @@
     SDESLength += padding;
   }
   // in 32-bit words minus one and we don't count the header
-  WebRtc_UWord16 buffer_length = (SDESLength / 4) - 1;
+  uint16_t buffer_length = (SDESLength / 4) - 1;
   ModuleRTPUtility::AssignUWord16ToBuffer(rtcpbuffer + SDESLengthPos,
                                           buffer_length);
   return 0;
 }
 
-WebRtc_Word32
-RTCPSender::BuildRR(WebRtc_UWord8* rtcpbuffer,
-                    WebRtc_UWord32& pos,
-                    const WebRtc_UWord32 NTPsec,
-                    const WebRtc_UWord32 NTPfrac,
+int32_t
+RTCPSender::BuildRR(uint8_t* rtcpbuffer,
+                    uint32_t& pos,
+                    const uint32_t NTPsec,
+                    const uint32_t NTPfrac,
                     const RTCPReportBlock* received)
 {
     // sanity one block
@@ -790,10 +790,10 @@
     {
         return -2;
     }
-    WebRtc_UWord32 posNumberOfReportBlocks = pos;
+    uint32_t posNumberOfReportBlocks = pos;
 
-    rtcpbuffer[pos++]=(WebRtc_UWord8)0x80;
-    rtcpbuffer[pos++]=(WebRtc_UWord8)201;
+    rtcpbuffer[pos++]=(uint8_t)0x80;
+    rtcpbuffer[pos++]=(uint8_t)201;
 
     // Save  for our length field
     pos++;
@@ -803,15 +803,15 @@
     ModuleRTPUtility::AssignUWord32ToBuffer(rtcpbuffer+pos, _SSRC);
     pos += 4;
 
-    WebRtc_UWord8 numberOfReportBlocks = 0;
-    WebRtc_Word32 retVal = AddReportBlocks(rtcpbuffer, pos, numberOfReportBlocks, received, NTPsec, NTPfrac);
+    uint8_t numberOfReportBlocks = 0;
+    int32_t retVal = AddReportBlocks(rtcpbuffer, pos, numberOfReportBlocks, received, NTPsec, NTPfrac);
     if(retVal < 0)
     {
         return retVal;
     }
     rtcpbuffer[posNumberOfReportBlocks] += numberOfReportBlocks;
 
-    WebRtc_UWord16 len = WebRtc_UWord16((pos)/4 -1);
+    uint16_t len = uint16_t((pos)/4 -1);
     ModuleRTPUtility::AssignUWord16ToBuffer(rtcpbuffer+2, len);
     return 0;
 }
@@ -834,11 +834,11 @@
 //  (inside a compound RTCP packet), and MUST have the same value for RC
 //  (reception report count) as the receiver report.
 
-WebRtc_Word32
+int32_t
 RTCPSender::BuildExtendedJitterReport(
-    WebRtc_UWord8* rtcpbuffer,
-    WebRtc_UWord32& pos,
-    const WebRtc_UWord32 jitterTransmissionTimeOffset)
+    uint8_t* rtcpbuffer,
+    uint32_t& pos,
+    const uint32_t jitterTransmissionTimeOffset)
 {
     if (_reportBlocks.size() > 0)
     {
@@ -852,13 +852,13 @@
         return -2;
     }
     // add picture loss indicator
-    WebRtc_UWord8 RC = 1;
-    rtcpbuffer[pos++]=(WebRtc_UWord8)0x80 + RC;
-    rtcpbuffer[pos++]=(WebRtc_UWord8)195;
+    uint8_t RC = 1;
+    rtcpbuffer[pos++]=(uint8_t)0x80 + RC;
+    rtcpbuffer[pos++]=(uint8_t)195;
 
     // Used fixed length of 2
-    rtcpbuffer[pos++]=(WebRtc_UWord8)0;
-    rtcpbuffer[pos++]=(WebRtc_UWord8)(1);
+    rtcpbuffer[pos++]=(uint8_t)0;
+    rtcpbuffer[pos++]=(uint8_t)(1);
 
     // Add inter-arrival jitter
     ModuleRTPUtility::AssignUWord32ToBuffer(rtcpbuffer + pos,
@@ -867,8 +867,8 @@
     return 0;
 }
 
-WebRtc_Word32
-RTCPSender::BuildPLI(WebRtc_UWord8* rtcpbuffer, WebRtc_UWord32& pos)
+int32_t
+RTCPSender::BuildPLI(uint8_t* rtcpbuffer, uint32_t& pos)
 {
     // sanity
     if(pos + 12 >= IP_PACKET_SIZE)
@@ -876,13 +876,13 @@
         return -2;
     }
     // add picture loss indicator
-    WebRtc_UWord8 FMT = 1;
-    rtcpbuffer[pos++]=(WebRtc_UWord8)0x80 + FMT;
-    rtcpbuffer[pos++]=(WebRtc_UWord8)206;
+    uint8_t FMT = 1;
+    rtcpbuffer[pos++]=(uint8_t)0x80 + FMT;
+    rtcpbuffer[pos++]=(uint8_t)206;
 
     //Used fixed length of 2
-    rtcpbuffer[pos++]=(WebRtc_UWord8)0;
-    rtcpbuffer[pos++]=(WebRtc_UWord8)(2);
+    rtcpbuffer[pos++]=(uint8_t)0;
+    rtcpbuffer[pos++]=(uint8_t)(2);
 
     // Add our own SSRC
     ModuleRTPUtility::AssignUWord32ToBuffer(rtcpbuffer+pos, _SSRC);
@@ -894,9 +894,9 @@
     return 0;
 }
 
-WebRtc_Word32 RTCPSender::BuildFIR(WebRtc_UWord8* rtcpbuffer,
-                                   WebRtc_UWord32& pos,
-                                   bool repeat) {
+int32_t RTCPSender::BuildFIR(uint8_t* rtcpbuffer,
+                             uint32_t& pos,
+                             bool repeat) {
   // sanity
   if(pos + 20 >= IP_PACKET_SIZE)  {
     return -2;
@@ -906,13 +906,13 @@
   }
 
   // add full intra request indicator
-  WebRtc_UWord8 FMT = 4;
-  rtcpbuffer[pos++] = (WebRtc_UWord8)0x80 + FMT;
-  rtcpbuffer[pos++] = (WebRtc_UWord8)206;
+  uint8_t FMT = 4;
+  rtcpbuffer[pos++] = (uint8_t)0x80 + FMT;
+  rtcpbuffer[pos++] = (uint8_t)206;
 
   //Length of 4
-  rtcpbuffer[pos++] = (WebRtc_UWord8)0;
-  rtcpbuffer[pos++] = (WebRtc_UWord8)(4);
+  rtcpbuffer[pos++] = (uint8_t)0;
+  rtcpbuffer[pos++] = (uint8_t)(4);
 
   // Add our own SSRC
   ModuleRTPUtility::AssignUWord32ToBuffer(rtcpbuffer + pos, _SSRC);
@@ -920,19 +920,19 @@
 
   // RFC 5104     4.3.1.2.  Semantics
   // SSRC of media source
-  rtcpbuffer[pos++] = (WebRtc_UWord8)0;
-  rtcpbuffer[pos++] = (WebRtc_UWord8)0;
-  rtcpbuffer[pos++] = (WebRtc_UWord8)0;
-  rtcpbuffer[pos++] = (WebRtc_UWord8)0;
+  rtcpbuffer[pos++] = (uint8_t)0;
+  rtcpbuffer[pos++] = (uint8_t)0;
+  rtcpbuffer[pos++] = (uint8_t)0;
+  rtcpbuffer[pos++] = (uint8_t)0;
 
   // Additional Feedback Control Information (FCI)
   ModuleRTPUtility::AssignUWord32ToBuffer(rtcpbuffer + pos, _remoteSSRC);
   pos += 4;
 
-  rtcpbuffer[pos++] = (WebRtc_UWord8)(_sequenceNumberFIR);
-  rtcpbuffer[pos++] = (WebRtc_UWord8)0;
-  rtcpbuffer[pos++] = (WebRtc_UWord8)0;
-  rtcpbuffer[pos++] = (WebRtc_UWord8)0;
+  rtcpbuffer[pos++] = (uint8_t)(_sequenceNumberFIR);
+  rtcpbuffer[pos++] = (uint8_t)0;
+  rtcpbuffer[pos++] = (uint8_t)0;
+  rtcpbuffer[pos++] = (uint8_t)0;
   return 0;
 }
 
@@ -943,8 +943,8 @@
    |            First        |        Number           | PictureID |
    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */
-WebRtc_Word32
-RTCPSender::BuildSLI(WebRtc_UWord8* rtcpbuffer, WebRtc_UWord32& pos, const WebRtc_UWord8 pictureID)
+int32_t
+RTCPSender::BuildSLI(uint8_t* rtcpbuffer, uint32_t& pos, const uint8_t pictureID)
 {
     // sanity
     if(pos + 16 >= IP_PACKET_SIZE)
@@ -952,13 +952,13 @@
         return -2;
     }
     // add slice loss indicator
-    WebRtc_UWord8 FMT = 2;
-    rtcpbuffer[pos++]=(WebRtc_UWord8)0x80 + FMT;
-    rtcpbuffer[pos++]=(WebRtc_UWord8)206;
+    uint8_t FMT = 2;
+    rtcpbuffer[pos++]=(uint8_t)0x80 + FMT;
+    rtcpbuffer[pos++]=(uint8_t)206;
 
     //Used fixed length of 3
-    rtcpbuffer[pos++]=(WebRtc_UWord8)0;
-    rtcpbuffer[pos++]=(WebRtc_UWord8)(3);
+    rtcpbuffer[pos++]=(uint8_t)0;
+    rtcpbuffer[pos++]=(uint8_t)(3);
 
     // Add our own SSRC
     ModuleRTPUtility::AssignUWord32ToBuffer(rtcpbuffer+pos, _SSRC);
@@ -971,7 +971,7 @@
     // Add first, number & picture ID 6 bits
     // first  = 0, 13 - bits
     // number = 0x1fff, 13 - bits only ones for now
-    WebRtc_UWord32 sliField = (0x1fff << 6)+ (0x3f & pictureID);
+    uint32_t sliField = (0x1fff << 6)+ (0x3f & pictureID);
     ModuleRTPUtility::AssignUWord32ToBuffer(rtcpbuffer+pos, sliField);
     pos += 4;
     return 0;
@@ -989,11 +989,11 @@
 /*
 *    Note: not generic made for VP8
 */
-WebRtc_Word32
-RTCPSender::BuildRPSI(WebRtc_UWord8* rtcpbuffer,
-                     WebRtc_UWord32& pos,
-                     const WebRtc_UWord64 pictureID,
-                     const WebRtc_UWord8 payloadType)
+int32_t
+RTCPSender::BuildRPSI(uint8_t* rtcpbuffer,
+                     uint32_t& pos,
+                     const uint64_t pictureID,
+                     const uint8_t payloadType)
 {
     // sanity
     if(pos + 24 >= IP_PACKET_SIZE)
@@ -1001,20 +1001,20 @@
         return -2;
     }
     // add Reference Picture Selection Indication
-    WebRtc_UWord8 FMT = 3;
-    rtcpbuffer[pos++]=(WebRtc_UWord8)0x80 + FMT;
-    rtcpbuffer[pos++]=(WebRtc_UWord8)206;
+    uint8_t FMT = 3;
+    rtcpbuffer[pos++]=(uint8_t)0x80 + FMT;
+    rtcpbuffer[pos++]=(uint8_t)206;
 
     // calc length
-    WebRtc_UWord32 bitsRequired = 7;
-    WebRtc_UWord8 bytesRequired = 1;
+    uint32_t bitsRequired = 7;
+    uint8_t bytesRequired = 1;
     while((pictureID>>bitsRequired) > 0)
     {
         bitsRequired += 7;
         bytesRequired++;
     }
 
-    WebRtc_UWord8 size = 3;
+    uint8_t size = 3;
     if(bytesRequired > 6)
     {
         size = 5;
@@ -1022,7 +1022,7 @@
     {
         size = 4;
     }
-    rtcpbuffer[pos++]=(WebRtc_UWord8)0;
+    rtcpbuffer[pos++]=(uint8_t)0;
     rtcpbuffer[pos++]=size;
 
     // Add our own SSRC
@@ -1034,7 +1034,7 @@
     pos += 4;
 
     // calc padding length
-    WebRtc_UWord8 paddingBytes = 4-((2+bytesRequired)%4);
+    uint8_t paddingBytes = 4-((2+bytesRequired)%4);
     if(paddingBytes == 4)
     {
         paddingBytes = 0;
@@ -1050,11 +1050,11 @@
     // add picture ID
     for(int i = bytesRequired-1; i > 0; i--)
     {
-        rtcpbuffer[pos] = 0x80 | WebRtc_UWord8(pictureID >> (i*7));
+        rtcpbuffer[pos] = 0x80 | uint8_t(pictureID >> (i*7));
         pos++;
     }
     // add last byte of picture ID
-    rtcpbuffer[pos] = WebRtc_UWord8(pictureID & 0x7f);
+    rtcpbuffer[pos] = uint8_t(pictureID & 0x7f);
     pos++;
 
     // add padding
@@ -1066,8 +1066,8 @@
     return 0;
 }
 
-WebRtc_Word32
-RTCPSender::BuildREMB(WebRtc_UWord8* rtcpbuffer, WebRtc_UWord32& pos)
+int32_t
+RTCPSender::BuildREMB(uint8_t* rtcpbuffer, uint32_t& pos)
 {
     // sanity
     if(pos + 20 + 4 * _lengthRembSSRC >= IP_PACKET_SIZE)
@@ -1075,11 +1075,11 @@
         return -2;
     }
     // add application layer feedback
-    WebRtc_UWord8 FMT = 15;
-    rtcpbuffer[pos++]=(WebRtc_UWord8)0x80 + FMT;
-    rtcpbuffer[pos++]=(WebRtc_UWord8)206;
+    uint8_t FMT = 15;
+    rtcpbuffer[pos++]=(uint8_t)0x80 + FMT;
+    rtcpbuffer[pos++]=(uint8_t)206;
 
-    rtcpbuffer[pos++]=(WebRtc_UWord8)0;
+    rtcpbuffer[pos++]=(uint8_t)0;
     rtcpbuffer[pos++]=_lengthRembSSRC + 4;
 
     // Add our own SSRC
@@ -1098,19 +1098,19 @@
     rtcpbuffer[pos++] = _lengthRembSSRC;
     // 6 bit Exp
     // 18 bit mantissa
-    WebRtc_UWord8 brExp = 0;
-    for(WebRtc_UWord32 i=0; i<64; i++)
+    uint8_t brExp = 0;
+    for(uint32_t i=0; i<64; i++)
     {
-        if(_rembBitrate <= ((WebRtc_UWord32)262143 << i))
+        if(_rembBitrate <= ((uint32_t)262143 << i))
         {
             brExp = i;
             break;
         }
     }
-    const WebRtc_UWord32 brMantissa = (_rembBitrate >> brExp);
-    rtcpbuffer[pos++]=(WebRtc_UWord8)((brExp << 2) + ((brMantissa >> 16) & 0x03));
-    rtcpbuffer[pos++]=(WebRtc_UWord8)(brMantissa >> 8);
-    rtcpbuffer[pos++]=(WebRtc_UWord8)(brMantissa);
+    const uint32_t brMantissa = (_rembBitrate >> brExp);
+    rtcpbuffer[pos++]=(uint8_t)((brExp << 2) + ((brMantissa >> 16) & 0x03));
+    rtcpbuffer[pos++]=(uint8_t)(brMantissa >> 8);
+    rtcpbuffer[pos++]=(uint8_t)(brMantissa);
 
     for (int i = 0; i < _lengthRembSSRC; i++) 
     { 
@@ -1128,8 +1128,8 @@
     _tmmbr_Send = target_bitrate / 1000;
 }
 
-WebRtc_Word32
-RTCPSender::BuildTMMBR(WebRtc_UWord8* rtcpbuffer, WebRtc_UWord32& pos)
+int32_t
+RTCPSender::BuildTMMBR(uint8_t* rtcpbuffer, uint32_t& pos)
 {
     // Before sending the TMMBR check the received TMMBN, only an owner is allowed to raise the bitrate
     // If the sender is an owner of the TMMBN -> send TMMBR
@@ -1143,12 +1143,12 @@
     // holding _criticalSectionRTCPSender while calling RTCPreceiver which
     // will accuire _criticalSectionRTCPReceiver is a potental deadlock but
     // since RTCPreceiver is not doing the reverse we should be fine
-    WebRtc_Word32 lengthOfBoundingSet
+    int32_t lengthOfBoundingSet
         = _rtpRtcp.BoundingSet(tmmbrOwner, candidateSet);
 
     if(lengthOfBoundingSet > 0)
     {
-        for (WebRtc_Word32 i = 0; i < lengthOfBoundingSet; i++)
+        for (int32_t i = 0; i < lengthOfBoundingSet; i++)
         {
             if( candidateSet->Tmmbr(i) == _tmmbr_Send &&
                 candidateSet->PacketOH(i) == _packetOH_Send)
@@ -1190,13 +1190,13 @@
             return -2;
         }
         // add TMMBR indicator
-        WebRtc_UWord8 FMT = 3;
-        rtcpbuffer[pos++]=(WebRtc_UWord8)0x80 + FMT;
-        rtcpbuffer[pos++]=(WebRtc_UWord8)205;
+        uint8_t FMT = 3;
+        rtcpbuffer[pos++]=(uint8_t)0x80 + FMT;
+        rtcpbuffer[pos++]=(uint8_t)205;
 
         //Length of 4
-        rtcpbuffer[pos++]=(WebRtc_UWord8)0;
-        rtcpbuffer[pos++]=(WebRtc_UWord8)(4);
+        rtcpbuffer[pos++]=(uint8_t)0;
+        rtcpbuffer[pos++]=(uint8_t)(4);
 
         // Add our own SSRC
         ModuleRTPUtility::AssignUWord32ToBuffer(rtcpbuffer+pos, _SSRC);
@@ -1205,37 +1205,37 @@
         // RFC 5104     4.2.1.2.  Semantics
 
         // SSRC of media source
-        rtcpbuffer[pos++]=(WebRtc_UWord8)0;
-        rtcpbuffer[pos++]=(WebRtc_UWord8)0;
-        rtcpbuffer[pos++]=(WebRtc_UWord8)0;
-        rtcpbuffer[pos++]=(WebRtc_UWord8)0;
+        rtcpbuffer[pos++]=(uint8_t)0;
+        rtcpbuffer[pos++]=(uint8_t)0;
+        rtcpbuffer[pos++]=(uint8_t)0;
+        rtcpbuffer[pos++]=(uint8_t)0;
 
         // Additional Feedback Control Information (FCI)
         ModuleRTPUtility::AssignUWord32ToBuffer(rtcpbuffer+pos, _remoteSSRC);
         pos += 4;
 
-        WebRtc_UWord32 bitRate = _tmmbr_Send*1000;
-        WebRtc_UWord32 mmbrExp = 0;
-        for(WebRtc_UWord32 i=0;i<64;i++)
+        uint32_t bitRate = _tmmbr_Send*1000;
+        uint32_t mmbrExp = 0;
+        for(uint32_t i=0;i<64;i++)
         {
-            if(bitRate <= ((WebRtc_UWord32)131071 << i))
+            if(bitRate <= ((uint32_t)131071 << i))
             {
                 mmbrExp = i;
                 break;
             }
         }
-        WebRtc_UWord32 mmbrMantissa = (bitRate >> mmbrExp);
+        uint32_t mmbrMantissa = (bitRate >> mmbrExp);
 
-        rtcpbuffer[pos++]=(WebRtc_UWord8)((mmbrExp << 2) + ((mmbrMantissa >> 15) & 0x03));
-        rtcpbuffer[pos++]=(WebRtc_UWord8)(mmbrMantissa >> 7);
-        rtcpbuffer[pos++]=(WebRtc_UWord8)((mmbrMantissa << 1) + ((_packetOH_Send >> 8)& 0x01));
-        rtcpbuffer[pos++]=(WebRtc_UWord8)(_packetOH_Send);
+        rtcpbuffer[pos++]=(uint8_t)((mmbrExp << 2) + ((mmbrMantissa >> 15) & 0x03));
+        rtcpbuffer[pos++]=(uint8_t)(mmbrMantissa >> 7);
+        rtcpbuffer[pos++]=(uint8_t)((mmbrMantissa << 1) + ((_packetOH_Send >> 8)& 0x01));
+        rtcpbuffer[pos++]=(uint8_t)(_packetOH_Send);
     }
     return 0;
 }
 
-WebRtc_Word32
-RTCPSender::BuildTMMBN(WebRtc_UWord8* rtcpbuffer, WebRtc_UWord32& pos)
+int32_t
+RTCPSender::BuildTMMBN(uint8_t* rtcpbuffer, uint32_t& pos)
 {
     TMMBRSet* boundingSet = _tmmbrHelp.BoundingSetToSend();
     if(boundingSet == NULL)
@@ -1248,10 +1248,10 @@
         WEBRTC_TRACE(kTraceError, kTraceRtpRtcp, _id, "%s invalid argument", __FUNCTION__);
         return -2;
     }
-    WebRtc_UWord8 FMT = 4;
+    uint8_t FMT = 4;
     // add TMMBN indicator
-    rtcpbuffer[pos++]=(WebRtc_UWord8)0x80 + FMT;
-    rtcpbuffer[pos++]=(WebRtc_UWord8)205;
+    rtcpbuffer[pos++]=(uint8_t)0x80 + FMT;
+    rtcpbuffer[pos++]=(uint8_t)205;
 
     //Add length later
     int posLength = pos;
@@ -1265,49 +1265,49 @@
     // RFC 5104     4.2.2.2.  Semantics
 
     // SSRC of media source
-    rtcpbuffer[pos++]=(WebRtc_UWord8)0;
-    rtcpbuffer[pos++]=(WebRtc_UWord8)0;
-    rtcpbuffer[pos++]=(WebRtc_UWord8)0;
-    rtcpbuffer[pos++]=(WebRtc_UWord8)0;
+    rtcpbuffer[pos++]=(uint8_t)0;
+    rtcpbuffer[pos++]=(uint8_t)0;
+    rtcpbuffer[pos++]=(uint8_t)0;
+    rtcpbuffer[pos++]=(uint8_t)0;
 
     // Additional Feedback Control Information (FCI)
     int numBoundingSet = 0;
-    for(WebRtc_UWord32 n=0; n< boundingSet->lengthOfSet(); n++)
+    for(uint32_t n=0; n< boundingSet->lengthOfSet(); n++)
     {
         if (boundingSet->Tmmbr(n) > 0)
         {
-            WebRtc_UWord32 tmmbrSSRC = boundingSet->Ssrc(n);
+            uint32_t tmmbrSSRC = boundingSet->Ssrc(n);
             ModuleRTPUtility::AssignUWord32ToBuffer(rtcpbuffer+pos, tmmbrSSRC);
             pos += 4;
 
-            WebRtc_UWord32 bitRate = boundingSet->Tmmbr(n) * 1000;
-            WebRtc_UWord32 mmbrExp = 0;
+            uint32_t bitRate = boundingSet->Tmmbr(n) * 1000;
+            uint32_t mmbrExp = 0;
             for(int i=0; i<64; i++)
             {
-                if(bitRate <=  ((WebRtc_UWord32)131071 << i))
+                if(bitRate <=  ((uint32_t)131071 << i))
                 {
                     mmbrExp = i;
                     break;
                 }
             }
-            WebRtc_UWord32 mmbrMantissa = (bitRate >> mmbrExp);
-            WebRtc_UWord32 measuredOH = boundingSet->PacketOH(n);
+            uint32_t mmbrMantissa = (bitRate >> mmbrExp);
+            uint32_t measuredOH = boundingSet->PacketOH(n);
 
-            rtcpbuffer[pos++]=(WebRtc_UWord8)((mmbrExp << 2) + ((mmbrMantissa >> 15) & 0x03));
-            rtcpbuffer[pos++]=(WebRtc_UWord8)(mmbrMantissa >> 7);
-            rtcpbuffer[pos++]=(WebRtc_UWord8)((mmbrMantissa << 1) + ((measuredOH >> 8)& 0x01));
-            rtcpbuffer[pos++]=(WebRtc_UWord8)(measuredOH);
+            rtcpbuffer[pos++]=(uint8_t)((mmbrExp << 2) + ((mmbrMantissa >> 15) & 0x03));
+            rtcpbuffer[pos++]=(uint8_t)(mmbrMantissa >> 7);
+            rtcpbuffer[pos++]=(uint8_t)((mmbrMantissa << 1) + ((measuredOH >> 8)& 0x01));
+            rtcpbuffer[pos++]=(uint8_t)(measuredOH);
             numBoundingSet++;
         }
     }
-    WebRtc_UWord16 length= (WebRtc_UWord16)(2+2*numBoundingSet);
-    rtcpbuffer[posLength++]=(WebRtc_UWord8)(length>>8);
-    rtcpbuffer[posLength]=(WebRtc_UWord8)(length);
+    uint16_t length= (uint16_t)(2+2*numBoundingSet);
+    rtcpbuffer[posLength++]=(uint8_t)(length>>8);
+    rtcpbuffer[posLength]=(uint8_t)(length);
     return 0;
 }
 
-WebRtc_Word32
-RTCPSender::BuildAPP(WebRtc_UWord8* rtcpbuffer, WebRtc_UWord32& pos)
+int32_t
+RTCPSender::BuildAPP(uint8_t* rtcpbuffer, uint32_t& pos)
 {
     // sanity
     if(_appData == NULL)
@@ -1320,14 +1320,14 @@
         WEBRTC_TRACE(kTraceError, kTraceRtpRtcp, _id, "%s invalid argument", __FUNCTION__);
         return -2;
     }
-    rtcpbuffer[pos++]=(WebRtc_UWord8)0x80 + _appSubType;
+    rtcpbuffer[pos++]=(uint8_t)0x80 + _appSubType;
 
     // Add APP ID
-    rtcpbuffer[pos++]=(WebRtc_UWord8)204;
+    rtcpbuffer[pos++]=(uint8_t)204;
 
-    WebRtc_UWord16 length = (_appLength>>2) + 2; // include SSRC and name
-    rtcpbuffer[pos++]=(WebRtc_UWord8)(length>>8);
-    rtcpbuffer[pos++]=(WebRtc_UWord8)(length);
+    uint16_t length = (_appLength>>2) + 2; // include SSRC and name
+    rtcpbuffer[pos++]=(uint8_t)(length>>8);
+    rtcpbuffer[pos++]=(uint8_t)(length);
 
     // Add our own SSRC
     ModuleRTPUtility::AssignUWord32ToBuffer(rtcpbuffer+pos, _SSRC);
@@ -1343,11 +1343,11 @@
     return 0;
 }
 
-WebRtc_Word32
-RTCPSender::BuildNACK(WebRtc_UWord8* rtcpbuffer,
-                      WebRtc_UWord32& pos,
-                      const WebRtc_Word32 nackSize,
-                      const WebRtc_UWord16* nackList,
+int32_t
+RTCPSender::BuildNACK(uint8_t* rtcpbuffer,
+                      uint32_t& pos,
+                      const int32_t nackSize,
+                      const uint16_t* nackList,
                       std::string* nackString)
 {
     // sanity
@@ -1357,15 +1357,15 @@
         return -2;
     }
 
-    // int size, WebRtc_UWord16* nackList
+    // int size, uint16_t* nackList
     // add nack list
-    WebRtc_UWord8 FMT = 1;
-    rtcpbuffer[pos++]=(WebRtc_UWord8)0x80 + FMT;
-    rtcpbuffer[pos++]=(WebRtc_UWord8)205;
+    uint8_t FMT = 1;
+    rtcpbuffer[pos++]=(uint8_t)0x80 + FMT;
+    rtcpbuffer[pos++]=(uint8_t)205;
 
-    rtcpbuffer[pos++]=(WebRtc_UWord8) 0;
+    rtcpbuffer[pos++]=(uint8_t) 0;
     int nackSizePos = pos;
-    rtcpbuffer[pos++]=(WebRtc_UWord8)(3); //setting it to one kNACK signal as default
+    rtcpbuffer[pos++]=(uint8_t)(3); //setting it to one kNACK signal as default
 
     // Add our own SSRC
     ModuleRTPUtility::AssignUWord32ToBuffer(rtcpbuffer+pos, _SSRC);
@@ -1381,7 +1381,7 @@
     NACKStringBuilder stringBuilder;
     while (nackSize > i && numOfNackFields < kRtcpMaxNackFields)
     {
-        WebRtc_UWord16 nack = nackList[i];
+        uint16_t nack = nackList[i];
         // put dow our sequence number
         ModuleRTPUtility::AssignUWord16ToBuffer(rtcpbuffer+pos, nack);
         pos += 2;
@@ -1391,11 +1391,11 @@
         numOfNackFields++;
         if(nackSize > i)
         {
-            bool moreThan16Away = (WebRtc_UWord16(nack+16) < nackList[i])?true: false;
+            bool moreThan16Away = (uint16_t(nack+16) < nackList[i])?true: false;
             if(!moreThan16Away)
             {
                 // check for a wrap
-                if(WebRtc_UWord16(nack+16) > 0xff00 && nackList[i] < 0x0fff)
+                if(uint16_t(nack+16) > 0xff00 && nackList[i] < 0x0fff)
                 {
                     // wrap
                     moreThan16Away = true;
@@ -1404,18 +1404,18 @@
             if(moreThan16Away)
             {
                 // next is more than 16 away
-                rtcpbuffer[pos++]=(WebRtc_UWord8)0;
-                rtcpbuffer[pos++]=(WebRtc_UWord8)0;
+                rtcpbuffer[pos++]=(uint8_t)0;
+                rtcpbuffer[pos++]=(uint8_t)0;
             } else
             {
                 // build our bitmask
-                WebRtc_UWord16 bitmask = 0;
+                uint16_t bitmask = 0;
 
-                bool within16Away = (WebRtc_UWord16(nack+16) > nackList[i])?true: false;
+                bool within16Away = (uint16_t(nack+16) > nackList[i])?true: false;
                 if(within16Away)
                 {
                    // check for a wrap
-                    if(WebRtc_UWord16(nack+16) > 0xff00 && nackList[i] < 0x0fff)
+                    if(uint16_t(nack+16) > 0xff00 && nackList[i] < 0x0fff)
                     {
                         // wrap
                         within16Away = false;
@@ -1424,7 +1424,7 @@
 
                 while( nackSize > i && within16Away)
                 {
-                    WebRtc_Word16 shift = (nackList[i]-nack)-1;
+                    int16_t shift = (nackList[i]-nack)-1;
                     assert(!(shift > 15) && !(shift < 0));
 
                     bitmask += (1<< shift);
@@ -1432,11 +1432,11 @@
                     i++;
                     if(nackSize > i)
                     {
-                        within16Away = (WebRtc_UWord16(nack+16) > nackList[i])?true: false;
+                        within16Away = (uint16_t(nack+16) > nackList[i])?true: false;
                         if(within16Away)
                         {
                             // check for a wrap
-                            if(WebRtc_UWord16(nack+16) > 0xff00 && nackList[i] < 0x0fff)
+                            if(uint16_t(nack+16) > 0xff00 && nackList[i] < 0x0fff)
                             {
                                 // wrap
                                 within16Away = false;
@@ -1455,17 +1455,17 @@
         } else
         {
             // no more in the list
-            rtcpbuffer[pos++]=(WebRtc_UWord8)0;
-            rtcpbuffer[pos++]=(WebRtc_UWord8)0;
+            rtcpbuffer[pos++]=(uint8_t)0;
+            rtcpbuffer[pos++]=(uint8_t)0;
         }
     }
-    rtcpbuffer[nackSizePos]=(WebRtc_UWord8)(2+numOfNackFields);
+    rtcpbuffer[nackSizePos]=(uint8_t)(2+numOfNackFields);
     *nackString = stringBuilder.GetResult();
     return 0;
 }
 
-WebRtc_Word32
-RTCPSender::BuildBYE(WebRtc_UWord8* rtcpbuffer, WebRtc_UWord32& pos)
+int32_t
+RTCPSender::BuildBYE(uint8_t* rtcpbuffer, uint32_t& pos)
 {
     // sanity
     if(pos + 8 >= IP_PACKET_SIZE)
@@ -1475,12 +1475,12 @@
     if(_includeCSRCs)
     {
         // Add a bye packet
-        rtcpbuffer[pos++]=(WebRtc_UWord8)0x80 + 1 + _CSRCs;  // number of SSRC+CSRCs
-        rtcpbuffer[pos++]=(WebRtc_UWord8)203;
+        rtcpbuffer[pos++]=(uint8_t)0x80 + 1 + _CSRCs;  // number of SSRC+CSRCs
+        rtcpbuffer[pos++]=(uint8_t)203;
 
         // length
-        rtcpbuffer[pos++]=(WebRtc_UWord8)0;
-        rtcpbuffer[pos++]=(WebRtc_UWord8)(1 + _CSRCs);
+        rtcpbuffer[pos++]=(uint8_t)0;
+        rtcpbuffer[pos++]=(uint8_t)(1 + _CSRCs);
 
         // Add our own SSRC
         ModuleRTPUtility::AssignUWord32ToBuffer(rtcpbuffer+pos, _SSRC);
@@ -1495,12 +1495,12 @@
     } else
     {
         // Add a bye packet
-        rtcpbuffer[pos++]=(WebRtc_UWord8)0x80 + 1;  // number of SSRC+CSRCs
-        rtcpbuffer[pos++]=(WebRtc_UWord8)203;
+        rtcpbuffer[pos++]=(uint8_t)0x80 + 1;  // number of SSRC+CSRCs
+        rtcpbuffer[pos++]=(uint8_t)203;
 
         // length
-        rtcpbuffer[pos++]=(WebRtc_UWord8)0;
-        rtcpbuffer[pos++]=(WebRtc_UWord8)1;
+        rtcpbuffer[pos++]=(uint8_t)0;
+        rtcpbuffer[pos++]=(uint8_t)1;
 
         // Add our own SSRC
         ModuleRTPUtility::AssignUWord32ToBuffer(rtcpbuffer+pos, _SSRC);
@@ -1509,8 +1509,8 @@
     return 0;
 }
 
-WebRtc_Word32
-RTCPSender::BuildVoIPMetric(WebRtc_UWord8* rtcpbuffer, WebRtc_UWord32& pos)
+int32_t
+RTCPSender::BuildVoIPMetric(uint8_t* rtcpbuffer, uint32_t& pos)
 {
     // sanity
     if(pos + 44 >= IP_PACKET_SIZE)
@@ -1519,10 +1519,10 @@
     }
 
     // Add XR header
-    rtcpbuffer[pos++]=(WebRtc_UWord8)0x80;
-    rtcpbuffer[pos++]=(WebRtc_UWord8)207;
+    rtcpbuffer[pos++]=(uint8_t)0x80;
+    rtcpbuffer[pos++]=(uint8_t)207;
 
-    WebRtc_UWord32 XRLengthPos = pos;
+    uint32_t XRLengthPos = pos;
 
     // handle length later on
     pos++;
@@ -1547,15 +1547,15 @@
     rtcpbuffer[pos++] = _xrVoIPMetric.burstDensity;
     rtcpbuffer[pos++] = _xrVoIPMetric.gapDensity;
 
-    rtcpbuffer[pos++] = (WebRtc_UWord8)(_xrVoIPMetric.burstDuration >> 8);
-    rtcpbuffer[pos++] = (WebRtc_UWord8)(_xrVoIPMetric.burstDuration);
-    rtcpbuffer[pos++] = (WebRtc_UWord8)(_xrVoIPMetric.gapDuration >> 8);
-    rtcpbuffer[pos++] = (WebRtc_UWord8)(_xrVoIPMetric.gapDuration);
+    rtcpbuffer[pos++] = (uint8_t)(_xrVoIPMetric.burstDuration >> 8);
+    rtcpbuffer[pos++] = (uint8_t)(_xrVoIPMetric.burstDuration);
+    rtcpbuffer[pos++] = (uint8_t)(_xrVoIPMetric.gapDuration >> 8);
+    rtcpbuffer[pos++] = (uint8_t)(_xrVoIPMetric.gapDuration);
 
-    rtcpbuffer[pos++] = (WebRtc_UWord8)(_xrVoIPMetric.roundTripDelay >> 8);
-    rtcpbuffer[pos++] = (WebRtc_UWord8)(_xrVoIPMetric.roundTripDelay);
-    rtcpbuffer[pos++] = (WebRtc_UWord8)(_xrVoIPMetric.endSystemDelay >> 8);
-    rtcpbuffer[pos++] = (WebRtc_UWord8)(_xrVoIPMetric.endSystemDelay);
+    rtcpbuffer[pos++] = (uint8_t)(_xrVoIPMetric.roundTripDelay >> 8);
+    rtcpbuffer[pos++] = (uint8_t)(_xrVoIPMetric.roundTripDelay);
+    rtcpbuffer[pos++] = (uint8_t)(_xrVoIPMetric.endSystemDelay >> 8);
+    rtcpbuffer[pos++] = (uint8_t)(_xrVoIPMetric.endSystemDelay);
 
     rtcpbuffer[pos++] = _xrVoIPMetric.signalLevel;
     rtcpbuffer[pos++] = _xrVoIPMetric.noiseLevel;
@@ -1569,39 +1569,39 @@
 
     rtcpbuffer[pos++] = _xrVoIPMetric.RXconfig;
     rtcpbuffer[pos++] = 0; // reserved
-    rtcpbuffer[pos++] = (WebRtc_UWord8)(_xrVoIPMetric.JBnominal >> 8);
-    rtcpbuffer[pos++] = (WebRtc_UWord8)(_xrVoIPMetric.JBnominal);
+    rtcpbuffer[pos++] = (uint8_t)(_xrVoIPMetric.JBnominal >> 8);
+    rtcpbuffer[pos++] = (uint8_t)(_xrVoIPMetric.JBnominal);
 
-    rtcpbuffer[pos++] = (WebRtc_UWord8)(_xrVoIPMetric.JBmax >> 8);
-    rtcpbuffer[pos++] = (WebRtc_UWord8)(_xrVoIPMetric.JBmax);
-    rtcpbuffer[pos++] = (WebRtc_UWord8)(_xrVoIPMetric.JBabsMax >> 8);
-    rtcpbuffer[pos++] = (WebRtc_UWord8)(_xrVoIPMetric.JBabsMax);
+    rtcpbuffer[pos++] = (uint8_t)(_xrVoIPMetric.JBmax >> 8);
+    rtcpbuffer[pos++] = (uint8_t)(_xrVoIPMetric.JBmax);
+    rtcpbuffer[pos++] = (uint8_t)(_xrVoIPMetric.JBabsMax >> 8);
+    rtcpbuffer[pos++] = (uint8_t)(_xrVoIPMetric.JBabsMax);
 
-    rtcpbuffer[XRLengthPos]=(WebRtc_UWord8)(0);
-    rtcpbuffer[XRLengthPos+1]=(WebRtc_UWord8)(10);
+    rtcpbuffer[XRLengthPos]=(uint8_t)(0);
+    rtcpbuffer[XRLengthPos+1]=(uint8_t)(10);
     return 0;
 }
 
-WebRtc_Word32
-RTCPSender::SendRTCP(const WebRtc_UWord32 packetTypeFlags,
-                     const WebRtc_Word32 nackSize,       // NACK
-                     const WebRtc_UWord16* nackList,     // NACK
+int32_t
+RTCPSender::SendRTCP(const uint32_t packetTypeFlags,
+                     const int32_t nackSize,       // NACK
+                     const uint16_t* nackList,     // NACK
                      const bool repeat,                  // FIR
-                     const WebRtc_UWord64 pictureID)     // SLI & RPSI
+                     const uint64_t pictureID)     // SLI & RPSI
 {
-    WebRtc_UWord32 rtcpPacketTypeFlags = packetTypeFlags;
-    WebRtc_UWord32 pos = 0;
-    WebRtc_UWord8 rtcpbuffer[IP_PACKET_SIZE];
+    uint32_t rtcpPacketTypeFlags = packetTypeFlags;
+    uint32_t pos = 0;
+    uint8_t rtcpbuffer[IP_PACKET_SIZE];
 
     do  // only to be able to use break :) (and the critsect must be inside its own scope)
     {
         // collect the received information
         RTCPReportBlock received;
         bool hasReceived = false;
-        WebRtc_UWord32 NTPsec = 0;
-        WebRtc_UWord32 NTPfrac = 0;
+        uint32_t NTPsec = 0;
+        uint32_t NTPfrac = 0;
         bool rtcpCompound = false;
-        WebRtc_UWord32 jitterTransmissionOffset = 0;
+        uint32_t jitterTransmissionOffset = 0;
 
         {
           CriticalSectionScoped lock(_criticalSectionRTCPSender);
@@ -1628,9 +1628,9 @@
             {
                 hasReceived = true;
 
-                WebRtc_UWord32 lastReceivedRRNTPsecs = 0;
-                WebRtc_UWord32 lastReceivedRRNTPfrac = 0;
-                WebRtc_UWord32 remoteSR = 0;
+                uint32_t lastReceivedRRNTPsecs = 0;
+                uint32_t lastReceivedRRNTPfrac = 0;
+                uint32_t remoteSR = 0;
 
                 // ok even if we have not received a SR, we will send 0 in that case
                 _rtpRtcp.LastReceivedNTP(lastReceivedRRNTPsecs,
@@ -1641,15 +1641,15 @@
                 _clock->CurrentNtp(NTPsec, NTPfrac);
 
                 // Delay since last received report
-                WebRtc_UWord32 delaySinceLastReceivedSR = 0;
+                uint32_t delaySinceLastReceivedSR = 0;
                 if((lastReceivedRRNTPsecs !=0) || (lastReceivedRRNTPfrac !=0))
                 {
                     // get the 16 lowest bits of seconds and the 16 higest bits of fractions
-                    WebRtc_UWord32 now=NTPsec&0x0000FFFF;
+                    uint32_t now=NTPsec&0x0000FFFF;
                     now <<=16;
                     now += (NTPfrac&0xffff0000)>>16;
 
-                    WebRtc_UWord32 receiveTime = lastReceivedRRNTPsecs&0x0000FFFF;
+                    uint32_t receiveTime = lastReceivedRRNTPsecs&0x0000FFFF;
                     receiveTime <<=16;
                     receiveTime += (lastReceivedRRNTPfrac&0xffff0000)>>16;
 
@@ -1723,22 +1723,22 @@
         {
             // generate next time to send a RTCP report
             // seeded from RTP constructor
-            WebRtc_Word32 random = rand() % 1000;
-            WebRtc_Word32 timeToNext = RTCP_INTERVAL_AUDIO_MS;
+            int32_t random = rand() % 1000;
+            int32_t timeToNext = RTCP_INTERVAL_AUDIO_MS;
 
             if(_audio)
             {
                 timeToNext = (RTCP_INTERVAL_AUDIO_MS/2) + (RTCP_INTERVAL_AUDIO_MS*random/1000);
             }else
             {
-                WebRtc_UWord32 minIntervalMs = RTCP_INTERVAL_AUDIO_MS;
+                uint32_t minIntervalMs = RTCP_INTERVAL_AUDIO_MS;
                 if(_sending)
                 {
                     // calc bw for video 360/sendBW in kbit/s
-                    WebRtc_UWord32 sendBitrateKbit = 0;
-                    WebRtc_UWord32 videoRate = 0;
-                    WebRtc_UWord32 fecRate = 0;
-                    WebRtc_UWord32 nackRate = 0;
+                    uint32_t sendBitrateKbit = 0;
+                    uint32_t videoRate = 0;
+                    uint32_t fecRate = 0;
+                    uint32_t nackRate = 0;
                     _rtpRtcp.BitrateSent(&sendBitrateKbit,
                                          &videoRate,
                                          &fecRate,
@@ -1759,7 +1759,7 @@
         }
 
         // if the data does not fitt in the packet we fill it as much as possible
-        WebRtc_Word32 buildVal = 0;
+        int32_t buildVal = 0;
 
         if(rtcpPacketTypeFlags & kRtcpSr)
         {
@@ -1863,7 +1863,7 @@
         }
         if(rtcpPacketTypeFlags & kRtcpSli)
         {
-            buildVal = BuildSLI(rtcpbuffer, pos, (WebRtc_UWord8)pictureID);
+            buildVal = BuildSLI(rtcpbuffer, pos, (uint8_t)pictureID);
             if(buildVal == -1)
             {
                 return -1; // error
@@ -1875,12 +1875,12 @@
         }
         if(rtcpPacketTypeFlags & kRtcpRpsi)
         {
-            const WebRtc_Word8 payloadType = _rtpRtcp.SendPayloadType();
+            const int8_t payloadType = _rtpRtcp.SendPayloadType();
             if(payloadType == -1)
             {
                 return -1;
             }
-            buildVal = BuildRPSI(rtcpbuffer, pos, pictureID, (WebRtc_UWord8)payloadType);
+            buildVal = BuildRPSI(rtcpbuffer, pos, pictureID, (uint8_t)payloadType);
             if(buildVal == -1)
             {
                 return -1; // error
@@ -1988,12 +1988,12 @@
     {
         return -1;
     }
-    return SendToNetwork(rtcpbuffer, (WebRtc_UWord16)pos);
+    return SendToNetwork(rtcpbuffer, (uint16_t)pos);
 }
 
-WebRtc_Word32
-RTCPSender::SendToNetwork(const WebRtc_UWord8* dataBuffer,
-                          const WebRtc_UWord16 length)
+int32_t
+RTCPSender::SendToNetwork(const uint8_t* dataBuffer,
+                          const uint16_t length)
 {
     CriticalSectionScoped lock(_criticalSectionTransport);
     if(_cbTransport)
@@ -2006,16 +2006,16 @@
     return -1;
 }
 
-WebRtc_Word32
+int32_t
 RTCPSender::SetCSRCStatus(const bool include)
 {
     _includeCSRCs = include;
     return 0;
 }
 
-WebRtc_Word32
-RTCPSender::SetCSRCs(const WebRtc_UWord32 arrOfCSRC[kRtpCsrcSize],
-                    const WebRtc_UWord8 arrLength)
+int32_t
+RTCPSender::SetCSRCs(const uint32_t arrOfCSRC[kRtpCsrcSize],
+                    const uint8_t arrLength)
 {
     if(arrLength > kRtpCsrcSize)
     {
@@ -2034,11 +2034,11 @@
     return 0;
 }
 
-WebRtc_Word32
-RTCPSender::SetApplicationSpecificData(const WebRtc_UWord8 subType,
-                                       const WebRtc_UWord32 name,
-                                       const WebRtc_UWord8* data,
-                                       const WebRtc_UWord16 length)
+int32_t
+RTCPSender::SetApplicationSpecificData(const uint8_t subType,
+                                       const uint32_t name,
+                                       const uint8_t* data,
+                                       const uint16_t length)
 {
     if(length %4 != 0)
     {
@@ -2055,13 +2055,13 @@
     _appSend = true;
     _appSubType = subType;
     _appName = name;
-    _appData = new WebRtc_UWord8[length];
+    _appData = new uint8_t[length];
     _appLength = length;
     memcpy(_appData, data, length);
     return 0;
 }
 
-WebRtc_Word32
+int32_t
 RTCPSender::SetRTCPVoIPMetrics(const RTCPVoIPMetric* VoIPMetric)
 {
     CriticalSectionScoped lock(_criticalSectionRTCPSender);
@@ -2072,12 +2072,12 @@
 }
 
 // called under critsect _criticalSectionRTCPSender
-WebRtc_Word32 RTCPSender::AddReportBlocks(WebRtc_UWord8* rtcpbuffer,
-                                          WebRtc_UWord32& pos,
-                                          WebRtc_UWord8& numberOfReportBlocks,
-                                          const RTCPReportBlock* received,
-                                          const WebRtc_UWord32 NTPsec,
-                                          const WebRtc_UWord32 NTPfrac) {
+int32_t RTCPSender::AddReportBlocks(uint8_t* rtcpbuffer,
+                                    uint32_t& pos,
+                                    uint8_t& numberOfReportBlocks,
+                                    const RTCPReportBlock* received,
+                                    const uint32_t NTPsec,
+                                    const uint32_t NTPfrac) {
   // sanity one block
   if(pos + 24 >= IP_PACKET_SIZE) {
     WEBRTC_TRACE(kTraceError, kTraceRtpRtcp, _id,
@@ -2129,12 +2129,12 @@
                  "%s invalid argument", __FUNCTION__);
     return -1;
   }
-  std::map<WebRtc_UWord32, RTCPReportBlock*>::iterator it =
+  std::map<uint32_t, RTCPReportBlock*>::iterator it =
       _reportBlocks.begin();
 
   for (; it != _reportBlocks.end(); it++) {
     // we can have multiple report block in a conference
-    WebRtc_UWord32 remoteSSRC = it->first;
+    uint32_t remoteSSRC = it->first;
     RTCPReportBlock* reportBlock = it->second;
     if (reportBlock) {
       // Remote SSRC
@@ -2172,9 +2172,9 @@
 }
 
 // no callbacks allowed inside this function
-WebRtc_Word32
+int32_t
 RTCPSender::SetTMMBN(const TMMBRSet* boundingSet,
-                     const WebRtc_UWord32 maxBitrateKbit)
+                     const uint32_t maxBitrateKbit)
 {
     CriticalSectionScoped lock(_criticalSectionRTCPSender);
 
diff --git a/webrtc/modules/rtp_rtcp/source/rtcp_sender.h b/webrtc/modules/rtp_rtcp/source/rtcp_sender.h
index 5ca6a01..014b975 100644
--- a/webrtc/modules/rtp_rtcp/source/rtcp_sender.h
+++ b/webrtc/modules/rtp_rtcp/source/rtcp_sender.h
@@ -32,176 +32,173 @@
 {
 public:
     NACKStringBuilder();
-    void PushNACK(WebRtc_UWord16 nack);
+    void PushNACK(uint16_t nack);
     std::string GetResult();
 
 private:
     std::ostringstream _stream;
     int _count;
-    WebRtc_UWord16 _prevNack;
+    uint16_t _prevNack;
     bool _consecutive;
 };
 
 class RTCPSender
 {
 public:
-    RTCPSender(const WebRtc_Word32 id, const bool audio,
+    RTCPSender(const int32_t id, const bool audio,
                Clock* clock, ModuleRtpRtcpImpl* owner);
     virtual ~RTCPSender();
 
-    void ChangeUniqueId(const WebRtc_Word32 id);
+    void ChangeUniqueId(const int32_t id);
 
-    WebRtc_Word32 Init();
+    int32_t Init();
 
-    WebRtc_Word32 RegisterSendTransport(Transport* outgoingTransport);
+    int32_t RegisterSendTransport(Transport* outgoingTransport);
 
     RTCPMethod Status() const;
-    WebRtc_Word32 SetRTCPStatus(const RTCPMethod method);
+    int32_t SetRTCPStatus(const RTCPMethod method);
 
     bool Sending() const;
-    WebRtc_Word32 SetSendingStatus(const bool enabled); // combine the functions
+    int32_t SetSendingStatus(const bool enabled); // combine the functions
 
-    WebRtc_Word32 SetNackStatus(const bool enable);
+    int32_t SetNackStatus(const bool enable);
 
     void SetStartTimestamp(uint32_t start_timestamp);
 
     void SetLastRtpTime(uint32_t rtp_timestamp,
                         int64_t capture_time_ms);
 
-    void SetSSRC( const WebRtc_UWord32 ssrc);
+    void SetSSRC( const uint32_t ssrc);
 
-    WebRtc_Word32 SetRemoteSSRC( const WebRtc_UWord32 ssrc);
+    int32_t SetRemoteSSRC( const uint32_t ssrc);
 
-    WebRtc_Word32 SetCameraDelay(const WebRtc_Word32 delayMS);
+    int32_t SetCameraDelay(const int32_t delayMS);
 
-    WebRtc_Word32 CNAME(char cName[RTCP_CNAME_SIZE]);
-    WebRtc_Word32 SetCNAME(const char cName[RTCP_CNAME_SIZE]);
+    int32_t CNAME(char cName[RTCP_CNAME_SIZE]);
+    int32_t SetCNAME(const char cName[RTCP_CNAME_SIZE]);
 
-    WebRtc_Word32 AddMixedCNAME(const WebRtc_UWord32 SSRC,
-                                const char cName[RTCP_CNAME_SIZE]);
+    int32_t AddMixedCNAME(const uint32_t SSRC,
+                          const char cName[RTCP_CNAME_SIZE]);
 
-    WebRtc_Word32 RemoveMixedCNAME(const WebRtc_UWord32 SSRC);
+    int32_t RemoveMixedCNAME(const uint32_t SSRC);
 
-    WebRtc_UWord32 SendTimeOfSendReport(const WebRtc_UWord32 sendReport);
+    uint32_t SendTimeOfSendReport(const uint32_t sendReport);
 
     bool TimeToSendRTCPReport(const bool sendKeyframeBeforeRTP = false) const;
 
-    WebRtc_UWord32 LastSendReport(WebRtc_UWord32& lastRTCPTime);
+    uint32_t LastSendReport(uint32_t& lastRTCPTime);
 
-    WebRtc_Word32 SendRTCP(const WebRtc_UWord32 rtcpPacketTypeFlags,
-                           const WebRtc_Word32 nackSize = 0,
-                           const WebRtc_UWord16* nackList = 0,
-                           const bool repeat = false,
-                           const WebRtc_UWord64 pictureID = 0);
+    int32_t SendRTCP(const uint32_t rtcpPacketTypeFlags,
+                     const int32_t nackSize = 0,
+                     const uint16_t* nackList = 0,
+                     const bool repeat = false,
+                     const uint64_t pictureID = 0);
 
-    WebRtc_Word32 AddReportBlock(const WebRtc_UWord32 SSRC,
-                                 const RTCPReportBlock* receiveBlock);
+    int32_t AddReportBlock(const uint32_t SSRC,
+                           const RTCPReportBlock* receiveBlock);
 
-    WebRtc_Word32 RemoveReportBlock(const WebRtc_UWord32 SSRC);
+    int32_t RemoveReportBlock(const uint32_t SSRC);
 
     /*
     *  REMB
     */
     bool REMB() const;
 
-    WebRtc_Word32 SetREMBStatus(const bool enable);
+    int32_t SetREMBStatus(const bool enable);
 
-    WebRtc_Word32 SetREMBData(const WebRtc_UWord32 bitrate,
-                              const WebRtc_UWord8 numberOfSSRC,
-                              const WebRtc_UWord32* SSRC);
+    int32_t SetREMBData(const uint32_t bitrate,
+                        const uint8_t numberOfSSRC,
+                        const uint32_t* SSRC);
 
     /*
     *   TMMBR
     */
     bool TMMBR() const;
 
-    WebRtc_Word32 SetTMMBRStatus(const bool enable);
+    int32_t SetTMMBRStatus(const bool enable);
 
-    WebRtc_Word32 SetTMMBN(const TMMBRSet* boundingSet,
-                           const WebRtc_UWord32 maxBitrateKbit);
+    int32_t SetTMMBN(const TMMBRSet* boundingSet,
+                     const uint32_t maxBitrateKbit);
 
     /*
     *   Extended jitter report
     */
     bool IJ() const;
 
-    WebRtc_Word32 SetIJStatus(const bool enable);
+    int32_t SetIJStatus(const bool enable);
 
     /*
     *
     */
 
-    WebRtc_Word32 SetApplicationSpecificData(const WebRtc_UWord8 subType,
-                                             const WebRtc_UWord32 name,
-                                             const WebRtc_UWord8* data,
-                                             const WebRtc_UWord16 length);
+    int32_t SetApplicationSpecificData(const uint8_t subType,
+                                       const uint32_t name,
+                                       const uint8_t* data,
+                                       const uint16_t length);
 
-    WebRtc_Word32 SetRTCPVoIPMetrics(const RTCPVoIPMetric* VoIPMetric);
+    int32_t SetRTCPVoIPMetrics(const RTCPVoIPMetric* VoIPMetric);
 
-    WebRtc_Word32 SetCSRCs(const WebRtc_UWord32 arrOfCSRC[kRtpCsrcSize],
-                           const WebRtc_UWord8 arrLength);
+    int32_t SetCSRCs(const uint32_t arrOfCSRC[kRtpCsrcSize],
+                     const uint8_t arrLength);
 
-    WebRtc_Word32 SetCSRCStatus(const bool include);
+    int32_t SetCSRCStatus(const bool include);
 
     void SetTargetBitrate(unsigned int target_bitrate);
 
 private:
-    WebRtc_Word32 SendToNetwork(const WebRtc_UWord8* dataBuffer,
-                                const WebRtc_UWord16 length);
+    int32_t SendToNetwork(const uint8_t* dataBuffer, const uint16_t length);
 
     void UpdatePacketRate();
 
-    WebRtc_Word32 AddReportBlocks(WebRtc_UWord8* rtcpbuffer,
-                                WebRtc_UWord32& pos,
-                                WebRtc_UWord8& numberOfReportBlocks,
-                                const RTCPReportBlock* received,
-                                const WebRtc_UWord32 NTPsec,
-                                const WebRtc_UWord32 NTPfrac);
+    int32_t AddReportBlocks(uint8_t* rtcpbuffer,
+                            uint32_t& pos,
+                            uint8_t& numberOfReportBlocks,
+                            const RTCPReportBlock* received,
+                            const uint32_t NTPsec,
+                            const uint32_t NTPfrac);
 
-    WebRtc_Word32 BuildSR(WebRtc_UWord8* rtcpbuffer,
-                        WebRtc_UWord32& pos,
-                        const WebRtc_UWord32 NTPsec,
-                        const WebRtc_UWord32 NTPfrac,
-                        const RTCPReportBlock* received = NULL);
+    int32_t BuildSR(uint8_t* rtcpbuffer,
+                    uint32_t& pos,
+                    const uint32_t NTPsec,
+                    const uint32_t NTPfrac,
+                    const RTCPReportBlock* received = NULL);
 
-    WebRtc_Word32 BuildRR(WebRtc_UWord8* rtcpbuffer,
-                        WebRtc_UWord32& pos,
-                        const WebRtc_UWord32 NTPsec,
-                        const WebRtc_UWord32 NTPfrac,
-                        const RTCPReportBlock* received = NULL);
+    int32_t BuildRR(uint8_t* rtcpbuffer,
+                    uint32_t& pos,
+                    const uint32_t NTPsec,
+                    const uint32_t NTPfrac,
+                    const RTCPReportBlock* received = NULL);
 
-    WebRtc_Word32 BuildExtendedJitterReport(
-        WebRtc_UWord8* rtcpbuffer,
-        WebRtc_UWord32& pos,
-        const WebRtc_UWord32 jitterTransmissionTimeOffset);
+    int32_t BuildExtendedJitterReport(
+        uint8_t* rtcpbuffer,
+        uint32_t& pos,
+        const uint32_t jitterTransmissionTimeOffset);
 
-    WebRtc_Word32 BuildSDEC(WebRtc_UWord8* rtcpbuffer, WebRtc_UWord32& pos);
-    WebRtc_Word32 BuildPLI(WebRtc_UWord8* rtcpbuffer, WebRtc_UWord32& pos);
-    WebRtc_Word32 BuildREMB(WebRtc_UWord8* rtcpbuffer, WebRtc_UWord32& pos);
-    WebRtc_Word32 BuildTMMBR(WebRtc_UWord8* rtcpbuffer, WebRtc_UWord32& pos);
-    WebRtc_Word32 BuildTMMBN(WebRtc_UWord8* rtcpbuffer, WebRtc_UWord32& pos);
-    WebRtc_Word32 BuildAPP(WebRtc_UWord8* rtcpbuffer, WebRtc_UWord32& pos);
-    WebRtc_Word32 BuildVoIPMetric(WebRtc_UWord8* rtcpbuffer, WebRtc_UWord32& pos);
-    WebRtc_Word32 BuildBYE(WebRtc_UWord8* rtcpbuffer, WebRtc_UWord32& pos);
-    WebRtc_Word32 BuildFIR(WebRtc_UWord8* rtcpbuffer,
-                           WebRtc_UWord32& pos,
-                           bool repeat);
-    WebRtc_Word32 BuildSLI(WebRtc_UWord8* rtcpbuffer,
-                         WebRtc_UWord32& pos,
-                         const WebRtc_UWord8 pictureID);
-    WebRtc_Word32 BuildRPSI(WebRtc_UWord8* rtcpbuffer,
-                         WebRtc_UWord32& pos,
-                         const WebRtc_UWord64 pictureID,
-                         const WebRtc_UWord8 payloadType);
+    int32_t BuildSDEC(uint8_t* rtcpbuffer, uint32_t& pos);
+    int32_t BuildPLI(uint8_t* rtcpbuffer, uint32_t& pos);
+    int32_t BuildREMB(uint8_t* rtcpbuffer, uint32_t& pos);
+    int32_t BuildTMMBR(uint8_t* rtcpbuffer, uint32_t& pos);
+    int32_t BuildTMMBN(uint8_t* rtcpbuffer, uint32_t& pos);
+    int32_t BuildAPP(uint8_t* rtcpbuffer, uint32_t& pos);
+    int32_t BuildVoIPMetric(uint8_t* rtcpbuffer, uint32_t& pos);
+    int32_t BuildBYE(uint8_t* rtcpbuffer, uint32_t& pos);
+    int32_t BuildFIR(uint8_t* rtcpbuffer, uint32_t& pos, bool repeat);
+    int32_t BuildSLI(uint8_t* rtcpbuffer,
+                     uint32_t& pos,
+                     const uint8_t pictureID);
+    int32_t BuildRPSI(uint8_t* rtcpbuffer,
+                      uint32_t& pos,
+                      const uint64_t pictureID,
+                      const uint8_t payloadType);
 
-    WebRtc_Word32 BuildNACK(WebRtc_UWord8* rtcpbuffer,
-                          WebRtc_UWord32& pos,
-                          const WebRtc_Word32 nackSize,
-                          const WebRtc_UWord16* nackList,
+    int32_t BuildNACK(uint8_t* rtcpbuffer,
+                      uint32_t& pos,
+                      const int32_t nackSize,
+                      const uint16_t* nackList,
                           std::string* nackString);
 
 private:
-    WebRtc_Word32            _id;
+    int32_t            _id;
     const bool               _audio;
     Clock*                   _clock;
     RTCPMethod               _method;
@@ -220,57 +217,57 @@
     bool                    _TMMBR;
     bool                    _IJ;
 
-    WebRtc_Word64        _nextTimeToSendRTCP;
+    int64_t        _nextTimeToSendRTCP;
 
     uint32_t start_timestamp_;
     uint32_t last_rtp_timestamp_;
     int64_t last_frame_capture_time_ms_;
-    WebRtc_UWord32 _SSRC;
-    WebRtc_UWord32 _remoteSSRC;  // SSRC that we receive on our RTP channel
+    uint32_t _SSRC;
+    uint32_t _remoteSSRC;  // SSRC that we receive on our RTP channel
     char _CNAME[RTCP_CNAME_SIZE];
 
-    std::map<WebRtc_UWord32, RTCPReportBlock*> _reportBlocks;
-    std::map<WebRtc_UWord32, RTCPUtility::RTCPCnameInformation*> _csrcCNAMEs;
+    std::map<uint32_t, RTCPReportBlock*> _reportBlocks;
+    std::map<uint32_t, RTCPUtility::RTCPCnameInformation*> _csrcCNAMEs;
 
-    WebRtc_Word32         _cameraDelayMS;
+    int32_t         _cameraDelayMS;
 
     // Sent
-    WebRtc_UWord32        _lastSendReport[RTCP_NUMBER_OF_SR];  // allow packet loss and RTT above 1 sec
-    WebRtc_UWord32        _lastRTCPTime[RTCP_NUMBER_OF_SR];
+    uint32_t        _lastSendReport[RTCP_NUMBER_OF_SR];  // allow packet loss and RTT above 1 sec
+    uint32_t        _lastRTCPTime[RTCP_NUMBER_OF_SR];
 
     // send CSRCs
-    WebRtc_UWord8         _CSRCs;
-    WebRtc_UWord32        _CSRC[kRtpCsrcSize];
+    uint8_t         _CSRCs;
+    uint32_t        _CSRC[kRtpCsrcSize];
     bool                _includeCSRCs;
 
     // Full intra request
-    WebRtc_UWord8         _sequenceNumberFIR;
+    uint8_t         _sequenceNumberFIR;
 
     // REMB    
-    WebRtc_UWord8       _lengthRembSSRC;
-    WebRtc_UWord8       _sizeRembSSRC;
-    WebRtc_UWord32*     _rembSSRC;
-    WebRtc_UWord32      _rembBitrate;
+    uint8_t       _lengthRembSSRC;
+    uint8_t       _sizeRembSSRC;
+    uint32_t*     _rembSSRC;
+    uint32_t      _rembBitrate;
 
     TMMBRHelp           _tmmbrHelp;
-    WebRtc_UWord32      _tmmbr_Send;
-    WebRtc_UWord32      _packetOH_Send;
+    uint32_t      _tmmbr_Send;
+    uint32_t      _packetOH_Send;
 
     // APP
     bool                 _appSend;
-    WebRtc_UWord8        _appSubType;
-    WebRtc_UWord32       _appName;
-    WebRtc_UWord8*       _appData;
-    WebRtc_UWord16       _appLength;
+    uint8_t        _appSubType;
+    uint32_t       _appName;
+    uint8_t*       _appData;
+    uint16_t       _appLength;
 
     // XR VoIP metric
     bool                _xrSendVoIPMetric;
     RTCPVoIPMetric      _xrVoIPMetric;
 
     // Counters
-    WebRtc_UWord32      _nackCount;
-    WebRtc_UWord32      _pliCount;
-    WebRtc_UWord32      _fullIntraRequestCount;
+    uint32_t      _nackCount;
+    uint32_t      _pliCount;
+    uint32_t      _fullIntraRequestCount;
 };
 } // namespace webrtc
 
diff --git a/webrtc/modules/rtp_rtcp/source/rtcp_sender_unittest.cc b/webrtc/modules/rtp_rtcp/source/rtcp_sender_unittest.cc
index 2395130..74dd91d 100644
--- a/webrtc/modules/rtp_rtcp/source/rtcp_sender_unittest.cc
+++ b/webrtc/modules/rtp_rtcp/source/rtcp_sender_unittest.cc
@@ -181,10 +181,10 @@
   EXPECT_EQ(std::string("5-6,9"), builder.GetResult());
 }
 
-void CreateRtpPacket(const bool marker_bit, const WebRtc_UWord8 payload,
-    const WebRtc_UWord16 seq_num, const WebRtc_UWord32 timestamp,
-    const WebRtc_UWord32 ssrc, WebRtc_UWord8* array,
-    WebRtc_UWord16* cur_pos) {
+void CreateRtpPacket(const bool marker_bit, const uint8_t payload,
+    const uint16_t seq_num, const uint32_t timestamp,
+    const uint32_t ssrc, uint8_t* array,
+    uint16_t* cur_pos) {
   ASSERT_TRUE(payload <= 127);
   array[(*cur_pos)++] = 0x80;
   array[(*cur_pos)++] = payload | (marker_bit ? 0x80 : 0);
@@ -228,8 +228,8 @@
   }
 
   virtual int SendRTCPPacket(int /*ch*/, const void *packet, int packet_len) {
-    RTCPUtility::RTCPParserV2 rtcpParser((WebRtc_UWord8*)packet,
-                                         (WebRtc_Word32)packet_len,
+    RTCPUtility::RTCPParserV2 rtcpParser((uint8_t*)packet,
+                                         (int32_t)packet_len,
                                          true); // Allow non-compound RTCP
 
     EXPECT_TRUE(rtcpParser.IsValid());
@@ -261,8 +261,8 @@
     return packet_len;
   }
 
-  virtual int OnReceivedPayloadData(const WebRtc_UWord8* payloadData,
-                                    const WebRtc_UWord16 payloadSize,
+  virtual int OnReceivedPayloadData(const uint8_t* payloadData,
+                                    const uint16_t payloadSize,
                                     const WebRtcRTPHeader* rtpHeader) {
     return 0;
   }
@@ -339,11 +339,11 @@
 
 TEST_F(RtcpSenderTest, TestCompound) {
   const bool marker_bit = false;
-  const WebRtc_UWord8 payload = 100;
-  const WebRtc_UWord16 seq_num = 11111;
-  const WebRtc_UWord32 timestamp = 1234567;
-  const WebRtc_UWord32 ssrc = 0x11111111;
-  WebRtc_UWord16 packet_length = 0;
+  const uint8_t payload = 100;
+  const uint16_t seq_num = 11111;
+  const uint32_t timestamp = 1234567;
+  const uint32_t ssrc = 0x11111111;
+  uint16_t packet_length = 0;
   CreateRtpPacket(marker_bit, payload, seq_num, timestamp, ssrc, packet_,
       &packet_length);
   EXPECT_EQ(25, packet_length);
@@ -404,7 +404,7 @@
   EXPECT_EQ(0, rtcp_sender_->SetRTCPStatus(kRtcpCompound));
   TMMBRSet bounding_set;
   bounding_set.VerifyAndAllocateSet(1);
-  const WebRtc_UWord32 kSourceSsrc = 12345;
+  const uint32_t kSourceSsrc = 12345;
   bounding_set.AddEntry(32768, 0, kSourceSsrc);
 
   EXPECT_EQ(0, rtcp_sender_->SetTMMBN(&bounding_set, 3));
diff --git a/webrtc/modules/rtp_rtcp/source/rtcp_utility.cc b/webrtc/modules/rtp_rtcp/source/rtcp_utility.cc
index 8673e87..b330e18 100644
--- a/webrtc/modules/rtp_rtcp/source/rtcp_utility.cc
+++ b/webrtc/modules/rtp_rtcp/source/rtcp_utility.cc
@@ -17,7 +17,7 @@
 namespace webrtc {
 // RTCPParserV2 : currently read only
 
-RTCPUtility::RTCPParserV2::RTCPParserV2(const WebRtc_UWord8* rtcpData,
+RTCPUtility::RTCPParserV2::RTCPParserV2(const uint8_t* rtcpData,
                                         size_t rtcpDataLength,
                                         bool rtcpReducedSizeEnable)
     : _ptrRTCPDataBegin(rtcpData),
@@ -411,8 +411,8 @@
 }
 
 bool
-RTCPUtility::RTCPParseCommonHeader( const WebRtc_UWord8* ptrDataBegin,
-                                    const WebRtc_UWord8* ptrDataEnd,
+RTCPUtility::RTCPParseCommonHeader( const uint8_t* ptrDataBegin,
+                                    const uint8_t* ptrDataEnd,
                                     RTCPCommonHeader& parsedHeader)
 {
     if (!ptrDataBegin || !ptrDataEnd)
@@ -689,7 +689,7 @@
             return false;
         }
 
-        WebRtc_UWord32 SSRC = *_ptrRTCPData++ << 24;
+        uint32_t SSRC = *_ptrRTCPData++ << 24;
         SSRC += *_ptrRTCPData++ << 16;
         SSRC += *_ptrRTCPData++ << 8;
         SSRC += *_ptrRTCPData++;
@@ -717,7 +717,7 @@
     size_t itemOctetsRead = 0;
     while (_ptrRTCPData < _ptrRTCPBlockEnd)
     {
-        const WebRtc_UWord8 tag = *_ptrRTCPData++;
+        const uint8_t tag = *_ptrRTCPData++;
         ++itemOctetsRead;
 
         if (tag == 0)
@@ -732,7 +732,7 @@
 
         if (_ptrRTCPData < _ptrRTCPBlockEnd)
         {
-            const WebRtc_UWord8 len = *_ptrRTCPData++;
+            const uint8_t len = *_ptrRTCPData++;
             ++itemOctetsRead;
 
             if (tag == 1)
@@ -747,10 +747,10 @@
                     EndCurrentBlock();
                     return false;
                 }
-                WebRtc_UWord8 i = 0;
+                uint8_t i = 0;
                 for (; i < len; ++i)
                 {
-                    const WebRtc_UWord8 c = _ptrRTCPData[i];
+                    const uint8_t c = _ptrRTCPData[i];
                     if ((c < ' ') || (c > '{') || (c == '%') || (c == '\\'))
                     {
                         // Illegal char
@@ -870,10 +870,10 @@
         return false;
     }
 
-    WebRtc_UWord8 blockType = *_ptrRTCPData++;
-    WebRtc_UWord8 typeSpecific = *_ptrRTCPData++;
+    uint8_t blockType = *_ptrRTCPData++;
+    uint8_t typeSpecific = *_ptrRTCPData++;
 
-    WebRtc_UWord16 blockLength = *_ptrRTCPData++ << 8;
+    uint16_t blockLength = *_ptrRTCPData++ << 8;
     blockLength = *_ptrRTCPData++;
 
     if(blockType == 7 && typeSpecific == 0)
@@ -985,12 +985,12 @@
 
     _ptrRTCPData += 4; // Skip RTCP header
 
-    WebRtc_UWord32 senderSSRC = *_ptrRTCPData++ << 24;
+    uint32_t senderSSRC = *_ptrRTCPData++ << 24;
     senderSSRC += *_ptrRTCPData++ << 16;
     senderSSRC += *_ptrRTCPData++ << 8;
     senderSSRC += *_ptrRTCPData++;
 
-    WebRtc_UWord32 mediaSSRC = *_ptrRTCPData++ << 24;
+    uint32_t mediaSSRC = *_ptrRTCPData++ << 24;
     mediaSSRC += *_ptrRTCPData++ << 16;
     mediaSSRC += *_ptrRTCPData++ << 8;
     mediaSSRC += *_ptrRTCPData++;
@@ -1149,12 +1149,12 @@
 
     _packetType = kRtcpPsfbRpsiCode;
 
-    WebRtc_UWord8 paddingBits = *_ptrRTCPData++;
+    uint8_t paddingBits = *_ptrRTCPData++;
     _packet.RPSI.PayloadType = *_ptrRTCPData++;
 
     memcpy(_packet.RPSI.NativeBitString, _ptrRTCPData, length-2);
 
-    _packet.RPSI.NumberOfValidBits = WebRtc_UWord16(length-2)*8 - paddingBits;
+    _packet.RPSI.NumberOfValidBits = uint16_t(length-2)*8 - paddingBits;
     return true;
 }
 
@@ -1243,9 +1243,9 @@
     }
 
     _packet.REMBItem.NumberOfSSRCs = *_ptrRTCPData++;
-    const WebRtc_UWord8 brExp = (_ptrRTCPData[0] >> 2) & 0x3F;
+    const uint8_t brExp = (_ptrRTCPData[0] >> 2) & 0x3F;
 
-    WebRtc_UWord32 brMantissa = (_ptrRTCPData[0] & 0x03) << 16;
+    uint32_t brMantissa = (_ptrRTCPData[0] & 0x03) << 16;
     brMantissa += (_ptrRTCPData[1] << 8);
     brMantissa += (_ptrRTCPData[2]);
 
@@ -1295,13 +1295,13 @@
     _packet.TMMBRItem.SSRC += *_ptrRTCPData++ << 8;
     _packet.TMMBRItem.SSRC += *_ptrRTCPData++;
 
-    WebRtc_UWord8 mxtbrExp = (_ptrRTCPData[0] >> 2) & 0x3F;
+    uint8_t mxtbrExp = (_ptrRTCPData[0] >> 2) & 0x3F;
 
-    WebRtc_UWord32 mxtbrMantissa = (_ptrRTCPData[0] & 0x03) << 15;
+    uint32_t mxtbrMantissa = (_ptrRTCPData[0] & 0x03) << 15;
     mxtbrMantissa += (_ptrRTCPData[1] << 7);
     mxtbrMantissa += (_ptrRTCPData[2] >> 1) & 0x7F;
 
-    WebRtc_UWord32 measuredOH = (_ptrRTCPData[2] & 0x01) << 8;
+    uint32_t measuredOH = (_ptrRTCPData[2] & 0x01) << 8;
     measuredOH += _ptrRTCPData[3];
 
     _ptrRTCPData += 4; // Fwd read data
@@ -1334,13 +1334,13 @@
     _packet.TMMBNItem.SSRC += *_ptrRTCPData++ << 8;
     _packet.TMMBNItem.SSRC += *_ptrRTCPData++;
 
-    WebRtc_UWord8 mxtbrExp = (_ptrRTCPData[0] >> 2) & 0x3F;
+    uint8_t mxtbrExp = (_ptrRTCPData[0] >> 2) & 0x3F;
 
-    WebRtc_UWord32 mxtbrMantissa = (_ptrRTCPData[0] & 0x03) << 15;
+    uint32_t mxtbrMantissa = (_ptrRTCPData[0] & 0x03) << 15;
     mxtbrMantissa += (_ptrRTCPData[1] << 7);
     mxtbrMantissa += (_ptrRTCPData[2] >> 1) & 0x7F;
 
-    WebRtc_UWord32 measuredOH = (_ptrRTCPData[2] & 0x01) << 8;
+    uint32_t measuredOH = (_ptrRTCPData[2] & 0x01) << 8;
     measuredOH += _ptrRTCPData[3];
 
     _ptrRTCPData += 4; // Fwd read data
@@ -1374,15 +1374,15 @@
     }
     _packetType = kRtcpPsfbSliItemCode;
 
-    WebRtc_UWord32 buffer;
+    uint32_t buffer;
     buffer = *_ptrRTCPData++ << 24;
     buffer += *_ptrRTCPData++ << 16;
     buffer += *_ptrRTCPData++ << 8;
     buffer += *_ptrRTCPData++;
 
-    _packet.SLIItem.FirstMB = WebRtc_UWord16((buffer>>19) & 0x1fff);
-    _packet.SLIItem.NumberOfMB = WebRtc_UWord16((buffer>>6) & 0x1fff);
-    _packet.SLIItem.PictureId = WebRtc_UWord8(buffer & 0x3f);
+    _packet.SLIItem.FirstMB = uint16_t((buffer>>19) & 0x1fff);
+    _packet.SLIItem.NumberOfMB = uint16_t((buffer>>6) & 0x1fff);
+    _packet.SLIItem.PictureId = uint8_t(buffer & 0x3f);
 
     return true;
 }
@@ -1427,12 +1427,12 @@
 
     _ptrRTCPData += 4; // Skip RTCP header
 
-    WebRtc_UWord32 senderSSRC = *_ptrRTCPData++ << 24;
+    uint32_t senderSSRC = *_ptrRTCPData++ << 24;
     senderSSRC += *_ptrRTCPData++ << 16;
     senderSSRC += *_ptrRTCPData++ << 8;
     senderSSRC += *_ptrRTCPData++;
 
-    WebRtc_UWord32 name = *_ptrRTCPData++ << 24;
+    uint32_t name = *_ptrRTCPData++ << 24;
     name += *_ptrRTCPData++ << 16;
     name += *_ptrRTCPData++ << 8;
     name += *_ptrRTCPData++;
@@ -1469,13 +1469,13 @@
     }else
     {
         memcpy(_packet.APP.Data, _ptrRTCPData, length);
-        _packet.APP.Size = (WebRtc_UWord16)length;
+        _packet.APP.Size = (uint16_t)length;
         _ptrRTCPData += length;
     }
     return true;
 }
 
-RTCPUtility::RTCPPacketIterator::RTCPPacketIterator(WebRtc_UWord8* rtcpData,
+RTCPUtility::RTCPPacketIterator::RTCPPacketIterator(uint8_t* rtcpData,
                                                     size_t rtcpDataLength)
     : _ptrBegin(rtcpData),
       _ptrEnd(rtcpData + rtcpDataLength),
diff --git a/webrtc/modules/rtp_rtcp/source/rtcp_utility.h b/webrtc/modules/rtp_rtcp/source/rtcp_utility.h
index cce1f0b..86b2efd 100644
--- a/webrtc/modules/rtp_rtcp/source/rtcp_utility.h
+++ b/webrtc/modules/rtp_rtcp/source/rtcp_utility.h
@@ -26,177 +26,177 @@
     };
     struct RTCPPacketRR
     {
-        WebRtc_UWord32 SenderSSRC;
-        WebRtc_UWord8  NumberOfReportBlocks;
+        uint32_t SenderSSRC;
+        uint8_t  NumberOfReportBlocks;
     };
     struct RTCPPacketSR
     {
-        WebRtc_UWord32 SenderSSRC;
-        WebRtc_UWord8  NumberOfReportBlocks;
+        uint32_t SenderSSRC;
+        uint8_t  NumberOfReportBlocks;
 
         // sender info
-        WebRtc_UWord32 NTPMostSignificant;
-        WebRtc_UWord32 NTPLeastSignificant;
-        WebRtc_UWord32 RTPTimestamp;
-        WebRtc_UWord32 SenderPacketCount;
-        WebRtc_UWord32 SenderOctetCount;
+        uint32_t NTPMostSignificant;
+        uint32_t NTPLeastSignificant;
+        uint32_t RTPTimestamp;
+        uint32_t SenderPacketCount;
+        uint32_t SenderOctetCount;
     };
     struct RTCPPacketReportBlockItem
     {
         // report block
-        WebRtc_UWord32 SSRC;
-        WebRtc_UWord8  FractionLost;
-        WebRtc_UWord32 CumulativeNumOfPacketsLost;
-        WebRtc_UWord32 ExtendedHighestSequenceNumber;
-        WebRtc_UWord32 Jitter;
-        WebRtc_UWord32 LastSR;
-        WebRtc_UWord32 DelayLastSR;
+        uint32_t SSRC;
+        uint8_t  FractionLost;
+        uint32_t CumulativeNumOfPacketsLost;
+        uint32_t ExtendedHighestSequenceNumber;
+        uint32_t Jitter;
+        uint32_t LastSR;
+        uint32_t DelayLastSR;
     };
     struct RTCPPacketSDESCName
     {
         // RFC3550
-        WebRtc_UWord32 SenderSSRC;
+        uint32_t SenderSSRC;
         char CName[RTCP_CNAME_SIZE];
     };
 
     struct RTCPPacketExtendedJitterReportItem
     {
         // RFC 5450
-        WebRtc_UWord32 Jitter;
+        uint32_t Jitter;
     };
 
     struct RTCPPacketBYE
     {
-        WebRtc_UWord32 SenderSSRC;
+        uint32_t SenderSSRC;
     };
     struct RTCPPacketXR
     {
         // RFC 3611
-        WebRtc_UWord32 OriginatorSSRC;
+        uint32_t OriginatorSSRC;
     };
     struct RTCPPacketXRVOIPMetricItem
     {
         // RFC 3611 4.7
-        WebRtc_UWord32    SSRC;
-        WebRtc_UWord8     lossRate;
-        WebRtc_UWord8     discardRate;
-        WebRtc_UWord8     burstDensity;
-        WebRtc_UWord8     gapDensity;
-        WebRtc_UWord16    burstDuration;
-        WebRtc_UWord16    gapDuration;
-        WebRtc_UWord16    roundTripDelay;
-        WebRtc_UWord16    endSystemDelay;
-        WebRtc_UWord8     signalLevel;
-        WebRtc_UWord8     noiseLevel;
-        WebRtc_UWord8     RERL;
-        WebRtc_UWord8     Gmin;
-        WebRtc_UWord8     Rfactor;
-        WebRtc_UWord8     extRfactor;
-        WebRtc_UWord8     MOSLQ;
-        WebRtc_UWord8     MOSCQ;
-        WebRtc_UWord8     RXconfig;
-        WebRtc_UWord16    JBnominal;
-        WebRtc_UWord16    JBmax;
-        WebRtc_UWord16    JBabsMax;
+        uint32_t    SSRC;
+        uint8_t     lossRate;
+        uint8_t     discardRate;
+        uint8_t     burstDensity;
+        uint8_t     gapDensity;
+        uint16_t    burstDuration;
+        uint16_t    gapDuration;
+        uint16_t    roundTripDelay;
+        uint16_t    endSystemDelay;
+        uint8_t     signalLevel;
+        uint8_t     noiseLevel;
+        uint8_t     RERL;
+        uint8_t     Gmin;
+        uint8_t     Rfactor;
+        uint8_t     extRfactor;
+        uint8_t     MOSLQ;
+        uint8_t     MOSCQ;
+        uint8_t     RXconfig;
+        uint16_t    JBnominal;
+        uint16_t    JBmax;
+        uint16_t    JBabsMax;
     };
 
     struct RTCPPacketRTPFBNACK
     {
-        WebRtc_UWord32 SenderSSRC;
-        WebRtc_UWord32 MediaSSRC;
+        uint32_t SenderSSRC;
+        uint32_t MediaSSRC;
     };
     struct RTCPPacketRTPFBNACKItem
     {
         // RFC4585
-        WebRtc_UWord16 PacketID;
-        WebRtc_UWord16 BitMask;
+        uint16_t PacketID;
+        uint16_t BitMask;
     };
 
     struct RTCPPacketRTPFBTMMBR
     {
-        WebRtc_UWord32 SenderSSRC;
-        WebRtc_UWord32 MediaSSRC; // zero!
+        uint32_t SenderSSRC;
+        uint32_t MediaSSRC; // zero!
     };
     struct RTCPPacketRTPFBTMMBRItem
     {
         // RFC5104
-        WebRtc_UWord32 SSRC;
-        WebRtc_UWord32 MaxTotalMediaBitRate; // In Kbit/s
-        WebRtc_UWord32 MeasuredOverhead;
+        uint32_t SSRC;
+        uint32_t MaxTotalMediaBitRate; // In Kbit/s
+        uint32_t MeasuredOverhead;
     };
 
     struct RTCPPacketRTPFBTMMBN
     {
-        WebRtc_UWord32 SenderSSRC;
-        WebRtc_UWord32 MediaSSRC; // zero!
+        uint32_t SenderSSRC;
+        uint32_t MediaSSRC; // zero!
     };
     struct RTCPPacketRTPFBTMMBNItem
     {
         // RFC5104
-        WebRtc_UWord32 SSRC; // "Owner"
-        WebRtc_UWord32 MaxTotalMediaBitRate;
-        WebRtc_UWord32 MeasuredOverhead;
+        uint32_t SSRC; // "Owner"
+        uint32_t MaxTotalMediaBitRate;
+        uint32_t MeasuredOverhead;
     };
 
     struct RTCPPacketPSFBFIR
     {
-        WebRtc_UWord32 SenderSSRC;
-        WebRtc_UWord32 MediaSSRC; // zero!
+        uint32_t SenderSSRC;
+        uint32_t MediaSSRC; // zero!
     };
     struct RTCPPacketPSFBFIRItem
     {
         // RFC5104
-        WebRtc_UWord32 SSRC;
-        WebRtc_UWord8  CommandSequenceNumber;
+        uint32_t SSRC;
+        uint8_t  CommandSequenceNumber;
     };
 
     struct RTCPPacketPSFBPLI
     {
         // RFC4585
-        WebRtc_UWord32 SenderSSRC;
-        WebRtc_UWord32 MediaSSRC;
+        uint32_t SenderSSRC;
+        uint32_t MediaSSRC;
     };
 
     struct RTCPPacketPSFBSLI
     {
         // RFC4585
-        WebRtc_UWord32 SenderSSRC;
-        WebRtc_UWord32 MediaSSRC;
+        uint32_t SenderSSRC;
+        uint32_t MediaSSRC;
     };
     struct RTCPPacketPSFBSLIItem
     {
         // RFC4585
-        WebRtc_UWord16 FirstMB;
-        WebRtc_UWord16 NumberOfMB;
-        WebRtc_UWord8 PictureId;
+        uint16_t FirstMB;
+        uint16_t NumberOfMB;
+        uint8_t PictureId;
     };
     struct RTCPPacketPSFBRPSI
     {
         // RFC4585
-        WebRtc_UWord32 SenderSSRC;
-        WebRtc_UWord32 MediaSSRC;
-        WebRtc_UWord8  PayloadType;
-        WebRtc_UWord16 NumberOfValidBits;
-        WebRtc_UWord8  NativeBitString[RTCP_RPSI_DATA_SIZE];
+        uint32_t SenderSSRC;
+        uint32_t MediaSSRC;
+        uint8_t  PayloadType;
+        uint16_t NumberOfValidBits;
+        uint8_t  NativeBitString[RTCP_RPSI_DATA_SIZE];
     };
     struct RTCPPacketPSFBAPP
     {
-        WebRtc_UWord32 SenderSSRC;
-        WebRtc_UWord32 MediaSSRC;
+        uint32_t SenderSSRC;
+        uint32_t MediaSSRC;
     };
     struct RTCPPacketPSFBREMBItem
     {
-        WebRtc_UWord32 BitRate;
-        WebRtc_UWord8 NumberOfSSRCs;
-        WebRtc_UWord32 SSRCs[MAX_NUMBER_OF_REMB_FEEDBACK_SSRCS];
+        uint32_t BitRate;
+        uint8_t NumberOfSSRCs;
+        uint32_t SSRCs[MAX_NUMBER_OF_REMB_FEEDBACK_SSRCS];
     };
     // generic name APP
     struct RTCPPacketAPP
     {
-        WebRtc_UWord8     SubType;
-        WebRtc_UWord32    Name;
-        WebRtc_UWord8     Data[kRtcpAppCode_DATA_SIZE];
-        WebRtc_UWord16    Size;
+        uint8_t     SubType;
+        uint32_t    Name;
+        uint8_t     Data[kRtcpAppCode_DATA_SIZE];
+        uint16_t    Size;
     };
 
     union RTCPPacket
@@ -282,23 +282,23 @@
 
     struct RTCPRawPacket
     {
-        const WebRtc_UWord8* _ptrPacketBegin;
-        const WebRtc_UWord8* _ptrPacketEnd;
+        const uint8_t* _ptrPacketBegin;
+        const uint8_t* _ptrPacketEnd;
     };
 
     struct RTCPModRawPacket
     {
-        WebRtc_UWord8* _ptrPacketBegin;
-        WebRtc_UWord8* _ptrPacketEnd;
+        uint8_t* _ptrPacketBegin;
+        uint8_t* _ptrPacketEnd;
     };
 
     struct RTCPCommonHeader
     {
-        WebRtc_UWord8  V;  // Version
+        uint8_t  V;  // Version
         bool           P;  // Padding
-        WebRtc_UWord8  IC; // Item count/subtype
-        WebRtc_UWord8  PT; // Packet Type
-        WebRtc_UWord16 LengthInOctets;
+        uint8_t  IC; // Item count/subtype
+        uint8_t  PT; // Packet Type
+        uint16_t LengthInOctets;
     };
 
     enum RTCPPT
@@ -314,14 +314,14 @@
         PT_XR    = 207
     };
 
-    bool RTCPParseCommonHeader( const WebRtc_UWord8* ptrDataBegin,
-                                const WebRtc_UWord8* ptrDataEnd,
+    bool RTCPParseCommonHeader( const uint8_t* ptrDataBegin,
+                                const uint8_t* ptrDataEnd,
                                 RTCPCommonHeader& parsedHeader);
 
     class RTCPParserV2
     {
     public:
-        RTCPParserV2(const WebRtc_UWord8* rtcpData,
+        RTCPParserV2(const uint8_t* rtcpData,
                      size_t rtcpDataLength,
                      bool rtcpReducedSizeEnable); // Set to true, to allow non-compound RTCP!
         ~RTCPParserV2();
@@ -407,16 +407,16 @@
         bool ParseAPPItem();
 
     private:
-        const WebRtc_UWord8* const _ptrRTCPDataBegin;
+        const uint8_t* const _ptrRTCPDataBegin;
         const bool                 _RTCPReducedSizeEnable;
-        const WebRtc_UWord8* const _ptrRTCPDataEnd;
+        const uint8_t* const _ptrRTCPDataEnd;
 
         bool                     _validPacket;
-        const WebRtc_UWord8*     _ptrRTCPData;
-        const WebRtc_UWord8*     _ptrRTCPBlockEnd;
+        const uint8_t*     _ptrRTCPData;
+        const uint8_t*     _ptrRTCPBlockEnd;
 
         ParseState               _state;
-        WebRtc_UWord8            _numberOfBlocks;
+        uint8_t            _numberOfBlocks;
 
         RTCPPacketTypes          _packetType;
         RTCPPacket               _packet;
@@ -425,7 +425,7 @@
     class RTCPPacketIterator
     {
     public:
-        RTCPPacketIterator(WebRtc_UWord8* rtcpData,
+        RTCPPacketIterator(uint8_t* rtcpData,
                             size_t rtcpDataLength);
         ~RTCPPacketIterator();
 
@@ -434,10 +434,10 @@
         const RTCPCommonHeader* Current();
 
     private:
-        WebRtc_UWord8* const     _ptrBegin;
-        WebRtc_UWord8* const     _ptrEnd;
+        uint8_t* const     _ptrBegin;
+        uint8_t* const     _ptrEnd;
 
-        WebRtc_UWord8*           _ptrBlock;
+        uint8_t*           _ptrBlock;
 
         RTCPCommonHeader         _header;
     };
diff --git a/webrtc/modules/rtp_rtcp/source/rtp_format_vp8.cc b/webrtc/modules/rtp_rtcp/source/rtp_format_vp8.cc
index 1b3c598..5f1a17c 100644
--- a/webrtc/modules/rtp_rtcp/source/rtp_format_vp8.cc
+++ b/webrtc/modules/rtp_rtcp/source/rtp_format_vp8.cc
@@ -28,8 +28,8 @@
 const bool RtpFormatVp8::separate_first_modes_[kNumModes] =
     { true, false, false };
 
-RtpFormatVp8::RtpFormatVp8(const WebRtc_UWord8* payload_data,
-                           WebRtc_UWord32 payload_size,
+RtpFormatVp8::RtpFormatVp8(const uint8_t* payload_data,
+                           uint32_t payload_size,
                            const RTPVideoHeaderVP8& hdr_info,
                            int max_payload_len,
                            const RTPFragmentationHeader& fragmentation,
@@ -47,8 +47,8 @@
   part_info_.CopyFrom(fragmentation);
 }
 
-RtpFormatVp8::RtpFormatVp8(const WebRtc_UWord8* payload_data,
-                           WebRtc_UWord32 payload_size,
+RtpFormatVp8::RtpFormatVp8(const uint8_t* payload_data,
+                           uint32_t payload_size,
                            const RTPVideoHeaderVP8& hdr_info,
                            int max_payload_len)
     : payload_data_(payload_data),
@@ -67,7 +67,7 @@
     part_info_.fragmentationOffset[0] = 0;
 }
 
-int RtpFormatVp8::NextPacket(WebRtc_UWord8* buffer,
+int RtpFormatVp8::NextPacket(uint8_t* buffer,
                              int* bytes_to_send,
                              bool* last_packet) {
   if (!packets_calculated_) {
@@ -297,7 +297,7 @@
 }
 
 int RtpFormatVp8::WriteHeaderAndPayload(const InfoStruct& packet_info,
-                                        WebRtc_UWord8* buffer,
+                                        uint8_t* buffer,
                                         int buffer_length) const {
   // Write the VP8 payload descriptor.
   //       0
@@ -331,11 +331,11 @@
       + extension_length;
 }
 
-int RtpFormatVp8::WriteExtensionFields(WebRtc_UWord8* buffer,
+int RtpFormatVp8::WriteExtensionFields(uint8_t* buffer,
                                        int buffer_length) const {
   int extension_length = 0;
   if (XFieldPresent()) {
-    WebRtc_UWord8* x_field = buffer + vp8_fixed_payload_descriptor_bytes_;
+    uint8_t* x_field = buffer + vp8_fixed_payload_descriptor_bytes_;
     *x_field = 0;
     extension_length = 1;  // One octet for the X field.
     if (PictureIdPresent()) {
@@ -361,8 +361,8 @@
   return extension_length;
 }
 
-int RtpFormatVp8::WritePictureIDFields(WebRtc_UWord8* x_field,
-                                       WebRtc_UWord8* buffer,
+int RtpFormatVp8::WritePictureIDFields(uint8_t* x_field,
+                                       uint8_t* buffer,
                                        int buffer_length,
                                        int* extension_length) const {
   *x_field |= kIBit;
@@ -375,10 +375,10 @@
   return 0;
 }
 
-int RtpFormatVp8::WritePictureID(WebRtc_UWord8* buffer,
+int RtpFormatVp8::WritePictureID(uint8_t* buffer,
                                  int buffer_length) const {
-  const WebRtc_UWord16 pic_id =
-      static_cast<WebRtc_UWord16> (hdr_info_.pictureId);
+  const uint16_t pic_id =
+      static_cast<uint16_t> (hdr_info_.pictureId);
   int picture_id_len = PictureIdLength();
   if (picture_id_len > buffer_length) return -1;
   if (picture_id_len == 2) {
@@ -390,8 +390,8 @@
   return picture_id_len;
 }
 
-int RtpFormatVp8::WriteTl0PicIdxFields(WebRtc_UWord8* x_field,
-                                       WebRtc_UWord8* buffer,
+int RtpFormatVp8::WriteTl0PicIdxFields(uint8_t* x_field,
+                                       uint8_t* buffer,
                                        int buffer_length,
                                        int* extension_length) const {
   if (buffer_length < vp8_fixed_payload_descriptor_bytes_ + *extension_length
@@ -405,15 +405,15 @@
   return 0;
 }
 
-int RtpFormatVp8::WriteTIDAndKeyIdxFields(WebRtc_UWord8* x_field,
-                                          WebRtc_UWord8* buffer,
+int RtpFormatVp8::WriteTIDAndKeyIdxFields(uint8_t* x_field,
+                                          uint8_t* buffer,
                                           int buffer_length,
                                           int* extension_length) const {
   if (buffer_length < vp8_fixed_payload_descriptor_bytes_ + *extension_length
       + 1) {
     return -1;
   }
-  WebRtc_UWord8* data_field =
+  uint8_t* data_field =
       &buffer[vp8_fixed_payload_descriptor_bytes_ + *extension_length];
   *data_field = 0;
   if (TIDFieldPresent()) {
diff --git a/webrtc/modules/rtp_rtcp/source/rtp_format_vp8.h b/webrtc/modules/rtp_rtcp/source/rtp_format_vp8.h
index f568f4d..2a62b40 100644
--- a/webrtc/modules/rtp_rtcp/source/rtp_format_vp8.h
+++ b/webrtc/modules/rtp_rtcp/source/rtp_format_vp8.h
@@ -48,8 +48,8 @@
  public:
   // Initialize with payload from encoder and fragmentation info.
   // The payload_data must be exactly one encoded VP8 frame.
-  RtpFormatVp8(const WebRtc_UWord8* payload_data,
-               WebRtc_UWord32 payload_size,
+  RtpFormatVp8(const uint8_t* payload_data,
+               uint32_t payload_size,
                const RTPVideoHeaderVP8& hdr_info,
                int max_payload_len,
                const RTPFragmentationHeader& fragmentation,
@@ -57,8 +57,8 @@
 
   // Initialize without fragmentation info. Mode kEqualSize will be used.
   // The payload_data must be exactly one encoded VP8 frame.
-  RtpFormatVp8(const WebRtc_UWord8* payload_data,
-               WebRtc_UWord32 payload_size,
+  RtpFormatVp8(const uint8_t* payload_data,
+               uint32_t payload_size,
                const RTPVideoHeaderVP8& hdr_info,
                int max_payload_len);
 
@@ -73,7 +73,7 @@
   // the first payload byte in the packet is taken, with the first partition
   // having index 0; returns negative on error.
   // For the kEqualSize mode: returns 0 on success, return negative on error.
-  int NextPacket(WebRtc_UWord8* buffer,
+  int NextPacket(uint8_t* buffer,
                  int* bytes_to_send,
                  bool* last_packet);
 
@@ -139,35 +139,35 @@
   // The info in packet_info determines which part of the payload is written
   // and what to write in the header fields.
   int WriteHeaderAndPayload(const InfoStruct& packet_info,
-                            WebRtc_UWord8* buffer,
+                            uint8_t* buffer,
                             int buffer_length) const;
 
 
   // Write the X field and the appropriate extension fields to buffer.
   // The function returns the extension length (including X field), or -1
   // on error.
-  int WriteExtensionFields(WebRtc_UWord8* buffer, int buffer_length) const;
+  int WriteExtensionFields(uint8_t* buffer, int buffer_length) const;
 
   // Set the I bit in the x_field, and write PictureID to the appropriate
   // position in buffer. The function returns 0 on success, -1 otherwise.
-  int WritePictureIDFields(WebRtc_UWord8* x_field, WebRtc_UWord8* buffer,
+  int WritePictureIDFields(uint8_t* x_field, uint8_t* buffer,
                            int buffer_length, int* extension_length) const;
 
   // Set the L bit in the x_field, and write Tl0PicIdx to the appropriate
   // position in buffer. The function returns 0 on success, -1 otherwise.
-  int WriteTl0PicIdxFields(WebRtc_UWord8* x_field, WebRtc_UWord8* buffer,
+  int WriteTl0PicIdxFields(uint8_t* x_field, uint8_t* buffer,
                            int buffer_length, int* extension_length) const;
 
   // Set the T and K bits in the x_field, and write TID, Y and KeyIdx to the
   // appropriate position in buffer. The function returns 0 on success,
   // -1 otherwise.
-  int WriteTIDAndKeyIdxFields(WebRtc_UWord8* x_field, WebRtc_UWord8* buffer,
+  int WriteTIDAndKeyIdxFields(uint8_t* x_field, uint8_t* buffer,
                               int buffer_length, int* extension_length) const;
 
   // Write the PictureID from codec_specific_info_ to buffer. One or two
   // bytes are written, depending on magnitude of PictureID. The function
   // returns the number of bytes written.
-  int WritePictureID(WebRtc_UWord8* buffer, int buffer_length) const;
+  int WritePictureID(uint8_t* buffer, int buffer_length) const;
 
   // Calculate and return length (octets) of the variable header fields in
   // the next header (i.e., header length in addition to vp8_header_bytes_).
@@ -184,7 +184,7 @@
   bool TL0PicIdxFieldPresent() const;
   bool PictureIdPresent() const { return (PictureIdLength() > 0); }
 
-  const WebRtc_UWord8* payload_data_;
+  const uint8_t* payload_data_;
   const int payload_size_;
   RTPFragmentationHeader part_info_;
   const int vp8_fixed_payload_descriptor_bytes_;  // Length of VP8 payload
diff --git a/webrtc/modules/rtp_rtcp/source/rtp_format_vp8_test_helper.cc b/webrtc/modules/rtp_rtcp/source/rtp_format_vp8_test_helper.cc
index 6c668dd..5bd4647 100644
--- a/webrtc/modules/rtp_rtcp/source/rtp_format_vp8_test_helper.cc
+++ b/webrtc/modules/rtp_rtcp/source/rtp_format_vp8_test_helper.cc
@@ -46,8 +46,8 @@
     payload_size_ += partition_sizes[p];
   }
   buffer_size_ = payload_size_ + 6;  // Add space for payload descriptor.
-  payload_data_ = new WebRtc_UWord8[payload_size_];
-  buffer_ = new WebRtc_UWord8[buffer_size_];
+  payload_data_ = new uint8_t[payload_size_];
+  buffer_ = new uint8_t[buffer_size_];
   int j = 0;
   // Loop through the partitions again.
   for (int p = 0; p < num_partitions; ++p) {
diff --git a/webrtc/modules/rtp_rtcp/source/rtp_payload_registry.cc b/webrtc/modules/rtp_rtcp/source/rtp_payload_registry.cc
index 13b9b77..cb689ee 100644
--- a/webrtc/modules/rtp_rtcp/source/rtp_payload_registry.cc
+++ b/webrtc/modules/rtp_rtcp/source/rtp_payload_registry.cc
@@ -15,7 +15,7 @@
 namespace webrtc {
 
 RTPPayloadRegistry::RTPPayloadRegistry(
-    const WebRtc_Word32 id,
+    const int32_t id,
     RTPPayloadStrategy* rtp_payload_strategy)
     : id_(id),
       rtp_payload_strategy_(rtp_payload_strategy),
@@ -32,12 +32,12 @@
   }
 }
 
-WebRtc_Word32 RTPPayloadRegistry::RegisterReceivePayload(
+int32_t RTPPayloadRegistry::RegisterReceivePayload(
     const char payload_name[RTP_PAYLOAD_NAME_SIZE],
-    const WebRtc_Word8 payload_type,
-    const WebRtc_UWord32 frequency,
-    const WebRtc_UWord8 channels,
-    const WebRtc_UWord32 rate,
+    const int8_t payload_type,
+    const uint32_t frequency,
+    const uint8_t channels,
+    const uint32_t rate,
     bool* created_new_payload) {
   assert(payload_type >= 0);
   assert(payload_name);
@@ -121,8 +121,8 @@
   return 0;
 }
 
-WebRtc_Word32 RTPPayloadRegistry::DeRegisterReceivePayload(
-    const WebRtc_Word8 payload_type) {
+int32_t RTPPayloadRegistry::DeRegisterReceivePayload(
+    const int8_t payload_type) {
   ModuleRTPUtility::PayloadTypeMap::iterator it =
     payload_type_map_.find(payload_type);
 
@@ -142,9 +142,9 @@
 void RTPPayloadRegistry::DeregisterAudioCodecOrRedTypeRegardlessOfPayloadType(
     const char payload_name[RTP_PAYLOAD_NAME_SIZE],
     const size_t payload_name_length,
-    const WebRtc_UWord32 frequency,
-    const WebRtc_UWord8 channels,
-    const WebRtc_UWord32 rate) {
+    const uint32_t frequency,
+    const uint8_t channels,
+    const uint32_t rate) {
   ModuleRTPUtility::PayloadTypeMap::iterator iterator =
       payload_type_map_.begin();
   for (; iterator != payload_type_map_.end(); ++iterator) {
@@ -173,12 +173,12 @@
   }
 }
 
-WebRtc_Word32 RTPPayloadRegistry::ReceivePayloadType(
+int32_t RTPPayloadRegistry::ReceivePayloadType(
     const char payload_name[RTP_PAYLOAD_NAME_SIZE],
-    const WebRtc_UWord32 frequency,
-    const WebRtc_UWord8 channels,
-    const WebRtc_UWord32 rate,
-    WebRtc_Word8* payload_type) const {
+    const uint32_t frequency,
+    const uint8_t channels,
+    const uint32_t rate,
+    int8_t* payload_type) const {
   if (payload_type == NULL) {
     WEBRTC_TRACE(kTraceError, kTraceRtpRtcp, id_,
                  "%s invalid argument", __FUNCTION__);
@@ -226,8 +226,8 @@
   return -1;
 }
 
-WebRtc_Word32 RTPPayloadRegistry::PayloadTypeToPayload(
-  const WebRtc_UWord8 payload_type,
+int32_t RTPPayloadRegistry::PayloadTypeToPayload(
+  const uint8_t payload_type,
   ModuleRTPUtility::Payload*& payload) const {
 
   ModuleRTPUtility::PayloadTypeMap::const_iterator it =
@@ -242,7 +242,7 @@
 }
 
 bool RTPPayloadRegistry::ReportMediaPayloadType(
-    WebRtc_UWord8 media_payload_type) {
+    uint8_t media_payload_type) {
   if (last_received_media_payload_type_ == media_payload_type) {
     // Media type unchanged.
     return true;
@@ -257,9 +257,9 @@
 
   bool PayloadIsCompatible(
        const ModuleRTPUtility::Payload& payload,
-       const WebRtc_UWord32 frequency,
-       const WebRtc_UWord8 channels,
-       const WebRtc_UWord32 rate) const {
+       const uint32_t frequency,
+       const uint8_t channels,
+       const uint32_t rate) const {
     return
         payload.audio &&
         payload.typeSpecific.Audio.frequency == frequency &&
@@ -270,16 +270,16 @@
 
   void UpdatePayloadRate(
       ModuleRTPUtility::Payload* payload,
-      const WebRtc_UWord32 rate) const {
+      const uint32_t rate) const {
     payload->typeSpecific.Audio.rate = rate;
   }
 
   ModuleRTPUtility::Payload* CreatePayloadType(
       const char payloadName[RTP_PAYLOAD_NAME_SIZE],
-      const WebRtc_Word8 payloadType,
-      const WebRtc_UWord32 frequency,
-      const WebRtc_UWord8 channels,
-      const WebRtc_UWord32 rate) const {
+      const int8_t payloadType,
+      const uint32_t frequency,
+      const uint8_t channels,
+      const uint32_t rate) const {
     ModuleRTPUtility::Payload* payload = new ModuleRTPUtility::Payload;
     payload->name[RTP_PAYLOAD_NAME_SIZE - 1] = 0;
     strncpy(payload->name, payloadName, RTP_PAYLOAD_NAME_SIZE - 1);
@@ -297,24 +297,24 @@
 
   bool PayloadIsCompatible(
       const ModuleRTPUtility::Payload& payload,
-      const WebRtc_UWord32 frequency,
-      const WebRtc_UWord8 channels,
-      const WebRtc_UWord32 rate) const {
+      const uint32_t frequency,
+      const uint8_t channels,
+      const uint32_t rate) const {
     return !payload.audio;
   }
 
   void UpdatePayloadRate(
       ModuleRTPUtility::Payload* payload,
-      const WebRtc_UWord32 rate) const {
+      const uint32_t rate) const {
     payload->typeSpecific.Video.maxRate = rate;
   }
 
   ModuleRTPUtility::Payload* CreatePayloadType(
       const char payloadName[RTP_PAYLOAD_NAME_SIZE],
-      const WebRtc_Word8 payloadType,
-      const WebRtc_UWord32 frequency,
-      const WebRtc_UWord8 channels,
-      const WebRtc_UWord32 rate) const {
+      const int8_t payloadType,
+      const uint32_t frequency,
+      const uint8_t channels,
+      const uint32_t rate) const {
     RtpVideoCodecTypes videoType = kRtpGenericVideo;
     if (ModuleRTPUtility::StringCompare(payloadName, "VP8", 3)) {
       videoType = kRtpVp8Video;
diff --git a/webrtc/modules/rtp_rtcp/source/rtp_payload_registry.h b/webrtc/modules/rtp_rtcp/source/rtp_payload_registry.h
index 7153ba2..7ba4c25 100644
--- a/webrtc/modules/rtp_rtcp/source/rtp_payload_registry.h
+++ b/webrtc/modules/rtp_rtcp/source/rtp_payload_registry.h
@@ -27,20 +27,20 @@
 
   virtual bool PayloadIsCompatible(
       const ModuleRTPUtility::Payload& payload,
-      const WebRtc_UWord32 frequency,
-      const WebRtc_UWord8 channels,
-      const WebRtc_UWord32 rate) const = 0;
+      const uint32_t frequency,
+      const uint8_t channels,
+      const uint32_t rate) const = 0;
 
   virtual void UpdatePayloadRate(
       ModuleRTPUtility::Payload* payload,
-      const WebRtc_UWord32 rate) const = 0;
+      const uint32_t rate) const = 0;
 
   virtual ModuleRTPUtility::Payload* CreatePayloadType(
       const char payloadName[RTP_PAYLOAD_NAME_SIZE],
-      const WebRtc_Word8 payloadType,
-      const WebRtc_UWord32 frequency,
-      const WebRtc_UWord8 channels,
-      const WebRtc_UWord32 rate) const = 0;
+      const int8_t payloadType,
+      const uint32_t frequency,
+      const uint8_t channels,
+      const uint32_t rate) const = 0;
 
   static RTPPayloadStrategy* CreateStrategy(const bool handling_audio);
 
@@ -51,30 +51,30 @@
 class RTPPayloadRegistry {
  public:
   // The registry takes ownership of the strategy.
-  RTPPayloadRegistry(const WebRtc_Word32 id,
+  RTPPayloadRegistry(const int32_t id,
                      RTPPayloadStrategy* rtp_payload_strategy);
   ~RTPPayloadRegistry();
 
-  WebRtc_Word32 RegisterReceivePayload(
+  int32_t RegisterReceivePayload(
       const char payload_name[RTP_PAYLOAD_NAME_SIZE],
-      const WebRtc_Word8 payload_type,
-      const WebRtc_UWord32 frequency,
-      const WebRtc_UWord8 channels,
-      const WebRtc_UWord32 rate,
+      const int8_t payload_type,
+      const uint32_t frequency,
+      const uint8_t channels,
+      const uint32_t rate,
       bool* created_new_payload_type);
 
-  WebRtc_Word32 DeRegisterReceivePayload(
-      const WebRtc_Word8 payload_type);
+  int32_t DeRegisterReceivePayload(
+      const int8_t payload_type);
 
-  WebRtc_Word32 ReceivePayloadType(
+  int32_t ReceivePayloadType(
       const char payload_name[RTP_PAYLOAD_NAME_SIZE],
-      const WebRtc_UWord32 frequency,
-      const WebRtc_UWord8 channels,
-      const WebRtc_UWord32 rate,
-      WebRtc_Word8* payload_type) const;
+      const uint32_t frequency,
+      const uint8_t channels,
+      const uint32_t rate,
+      int8_t* payload_type) const;
 
-  WebRtc_Word32 PayloadTypeToPayload(
-    const WebRtc_UWord8 payload_type,
+  int32_t PayloadTypeToPayload(
+    const uint8_t payload_type,
     ModuleRTPUtility::Payload*& payload) const;
 
   void ResetLastReceivedPayloadTypes() {
@@ -83,13 +83,13 @@
   }
 
   // Returns true if the new media payload type has not changed.
-  bool ReportMediaPayloadType(WebRtc_UWord8 media_payload_type);
+  bool ReportMediaPayloadType(uint8_t media_payload_type);
 
-  WebRtc_Word8 red_payload_type() const { return red_payload_type_; }
-  WebRtc_Word8 last_received_payload_type() const {
+  int8_t red_payload_type() const { return red_payload_type_; }
+  int8_t last_received_payload_type() const {
     return last_received_payload_type_;
   }
-  void set_last_received_payload_type(WebRtc_Word8 last_received_payload_type) {
+  void set_last_received_payload_type(int8_t last_received_payload_type) {
     last_received_payload_type_ = last_received_payload_type;
   }
 
@@ -98,16 +98,16 @@
   void DeregisterAudioCodecOrRedTypeRegardlessOfPayloadType(
       const char payload_name[RTP_PAYLOAD_NAME_SIZE],
       const size_t payload_name_length,
-      const WebRtc_UWord32 frequency,
-      const WebRtc_UWord8 channels,
-      const WebRtc_UWord32 rate);
+      const uint32_t frequency,
+      const uint8_t channels,
+      const uint32_t rate);
 
   ModuleRTPUtility::PayloadTypeMap payload_type_map_;
-  WebRtc_Word32 id_;
+  int32_t id_;
   scoped_ptr<RTPPayloadStrategy> rtp_payload_strategy_;
-  WebRtc_Word8  red_payload_type_;
-  WebRtc_Word8  last_received_payload_type_;
-  WebRtc_Word8  last_received_media_payload_type_;
+  int8_t  red_payload_type_;
+  int8_t  last_received_payload_type_;
+  int8_t  last_received_media_payload_type_;
 };
 
 }  // namespace webrtc
diff --git a/webrtc/modules/rtp_rtcp/source/rtp_receiver.cc b/webrtc/modules/rtp_rtcp/source/rtp_receiver.cc
index eb34673..f18529c 100644
--- a/webrtc/modules/rtp_rtcp/source/rtp_receiver.cc
+++ b/webrtc/modules/rtp_rtcp/source/rtp_receiver.cc
@@ -32,7 +32,7 @@
 using ModuleRTPUtility::StringCompare;
 using ModuleRTPUtility::VideoPayload;
 
-RTPReceiver::RTPReceiver(const WebRtc_Word32 id,
+RTPReceiver::RTPReceiver(const int32_t id,
                          Clock* clock,
                          ModuleRtpRtcpImpl* owner,
                          RtpAudioFeedback* incoming_audio_messages_callback,
@@ -120,21 +120,21 @@
   return media_specific.Video.videoCodecType;
 }
 
-WebRtc_UWord32 RTPReceiver::MaxConfiguredBitrate() const {
+uint32_t RTPReceiver::MaxConfiguredBitrate() const {
   ModuleRTPUtility::PayloadUnion media_specific;
   rtp_media_receiver_->GetLastMediaSpecificPayload(&media_specific);
   return media_specific.Video.maxRate;
 }
 
-bool RTPReceiver::REDPayloadType(const WebRtc_Word8 payload_type) const {
+bool RTPReceiver::REDPayloadType(const int8_t payload_type) const {
   return rtp_payload_registry_->red_payload_type() == payload_type;
 }
 
-WebRtc_Word8 RTPReceiver::REDPayloadType() const {
+int8_t RTPReceiver::REDPayloadType() const {
   return rtp_payload_registry_->red_payload_type();
 }
 
-WebRtc_Word32 RTPReceiver::SetPacketTimeout(const WebRtc_UWord32 timeout_ms) {
+int32_t RTPReceiver::SetPacketTimeout(const uint32_t timeout_ms) {
   CriticalSectionScoped lock(critical_section_rtp_receiver_);
   packet_timeout_ms_ = timeout_ms;
   return 0;
@@ -158,7 +158,7 @@
       return;
     }
 
-    WebRtc_Word64 now = clock_->TimeInMilliseconds();
+    int64_t now = clock_->TimeInMilliseconds();
 
     if (now - last_receive_time_ > packet_timeout_ms_) {
       packet_time_out = true;
@@ -172,7 +172,7 @@
 }
 
 void RTPReceiver::ProcessDeadOrAlive(const bool rtcp_alive,
-                                     const WebRtc_Word64 now) {
+                                     const int64_t now) {
   RTPAliveType alive = kRtpDead;
 
   if (last_receive_time_ + 1000 > now) {
@@ -191,34 +191,34 @@
   cb_rtp_feedback_->OnPeriodicDeadOrAlive(id_, alive);
 }
 
-WebRtc_UWord16 RTPReceiver::PacketOHReceived() const {
+uint16_t RTPReceiver::PacketOHReceived() const {
   CriticalSectionScoped lock(critical_section_rtp_receiver_);
   return received_packet_oh_;
 }
 
-WebRtc_UWord32 RTPReceiver::PacketCountReceived() const {
+uint32_t RTPReceiver::PacketCountReceived() const {
   CriticalSectionScoped lock(critical_section_rtp_receiver_);
   return received_inorder_packet_count_;
 }
 
-WebRtc_UWord32 RTPReceiver::ByteCountReceived() const {
+uint32_t RTPReceiver::ByteCountReceived() const {
   CriticalSectionScoped lock(critical_section_rtp_receiver_);
   return received_byte_count_;
 }
 
-WebRtc_Word32 RTPReceiver::RegisterReceivePayload(
+int32_t RTPReceiver::RegisterReceivePayload(
     const char payload_name[RTP_PAYLOAD_NAME_SIZE],
-    const WebRtc_Word8 payload_type,
-    const WebRtc_UWord32 frequency,
-    const WebRtc_UWord8 channels,
-    const WebRtc_UWord32 rate) {
+    const int8_t payload_type,
+    const uint32_t frequency,
+    const uint8_t channels,
+    const uint32_t rate) {
   CriticalSectionScoped lock(critical_section_rtp_receiver_);
 
   // TODO(phoglund): Try to streamline handling of the RED codec and some other
   // cases which makes it necessary to keep track of whether we created a
   // payload or not.
   bool created_new_payload = false;
-  WebRtc_Word32 result = rtp_payload_registry_->RegisterReceivePayload(
+  int32_t result = rtp_payload_registry_->RegisterReceivePayload(
       payload_name, payload_type, frequency, channels, rate,
       &created_new_payload);
   if (created_new_payload) {
@@ -233,31 +233,31 @@
   return result;
 }
 
-WebRtc_Word32 RTPReceiver::DeRegisterReceivePayload(
-    const WebRtc_Word8 payload_type) {
+int32_t RTPReceiver::DeRegisterReceivePayload(
+    const int8_t payload_type) {
   CriticalSectionScoped lock(critical_section_rtp_receiver_);
   return rtp_payload_registry_->DeRegisterReceivePayload(payload_type);
 }
 
-WebRtc_Word32 RTPReceiver::ReceivePayloadType(
+int32_t RTPReceiver::ReceivePayloadType(
     const char payload_name[RTP_PAYLOAD_NAME_SIZE],
-    const WebRtc_UWord32 frequency,
-    const WebRtc_UWord8 channels,
-    const WebRtc_UWord32 rate,
-    WebRtc_Word8* payload_type) const {
+    const uint32_t frequency,
+    const uint8_t channels,
+    const uint32_t rate,
+    int8_t* payload_type) const {
   CriticalSectionScoped lock(critical_section_rtp_receiver_);
   return rtp_payload_registry_->ReceivePayloadType(
       payload_name, frequency, channels, rate, payload_type);
 }
 
-WebRtc_Word32 RTPReceiver::RegisterRtpHeaderExtension(
+int32_t RTPReceiver::RegisterRtpHeaderExtension(
     const RTPExtensionType type,
-    const WebRtc_UWord8 id) {
+    const uint8_t id) {
   CriticalSectionScoped cs(critical_section_rtp_receiver_);
   return rtp_header_extension_map_.Register(type, id);
 }
 
-WebRtc_Word32 RTPReceiver::DeregisterRtpHeaderExtension(
+int32_t RTPReceiver::DeregisterRtpHeaderExtension(
     const RTPExtensionType type) {
   CriticalSectionScoped cs(critical_section_rtp_receiver_);
   return rtp_header_extension_map_.Deregister(type);
@@ -274,8 +274,8 @@
 }
 
 // Turn negative acknowledgment requests on/off.
-WebRtc_Word32 RTPReceiver::SetNACKStatus(const NACKMethod method,
-                                         int max_reordering_threshold) {
+int32_t RTPReceiver::SetNACKStatus(const NACKMethod method,
+                                   int max_reordering_threshold) {
   CriticalSectionScoped lock(critical_section_rtp_receiver_);
   if (max_reordering_threshold < 0) {
     return -1;
@@ -289,54 +289,54 @@
 }
 
 void RTPReceiver::SetRTXStatus(const bool enable,
-                               const WebRtc_UWord32 ssrc) {
+                               const uint32_t ssrc) {
   CriticalSectionScoped lock(critical_section_rtp_receiver_);
   rtx_ = enable;
   ssrc_rtx_ = ssrc;
 }
 
-void RTPReceiver::RTXStatus(bool* enable, WebRtc_UWord32* ssrc) const {
+void RTPReceiver::RTXStatus(bool* enable, uint32_t* ssrc) const {
   CriticalSectionScoped lock(critical_section_rtp_receiver_);
   *enable = rtx_;
   *ssrc = ssrc_rtx_;
 }
 
-WebRtc_UWord32 RTPReceiver::SSRC() const {
+uint32_t RTPReceiver::SSRC() const {
   CriticalSectionScoped lock(critical_section_rtp_receiver_);
   return ssrc_;
 }
 
 // Get remote CSRC.
-WebRtc_Word32 RTPReceiver::CSRCs(
-    WebRtc_UWord32 array_of_csrcs[kRtpCsrcSize]) const {
+int32_t RTPReceiver::CSRCs(
+    uint32_t array_of_csrcs[kRtpCsrcSize]) const {
   CriticalSectionScoped lock(critical_section_rtp_receiver_);
 
   assert(num_csrcs_ <= kRtpCsrcSize);
 
   if (num_csrcs_ > 0) {
     memcpy(array_of_csrcs, current_remote_csrc_,
-           sizeof(WebRtc_UWord32)*num_csrcs_);
+           sizeof(uint32_t)*num_csrcs_);
   }
   return num_csrcs_;
 }
 
-WebRtc_Word32 RTPReceiver::Energy(
-    WebRtc_UWord8 array_of_energy[kRtpCsrcSize]) const {
+int32_t RTPReceiver::Energy(
+    uint8_t array_of_energy[kRtpCsrcSize]) const {
   CriticalSectionScoped lock(critical_section_rtp_receiver_);
 
   assert(num_energy_ <= kRtpCsrcSize);
 
   if (num_energy_ > 0) {
     memcpy(array_of_energy, current_remote_energy_,
-           sizeof(WebRtc_UWord8)*num_csrcs_);
+           sizeof(uint8_t)*num_csrcs_);
   }
   return num_energy_;
 }
 
-WebRtc_Word32 RTPReceiver::IncomingRTPPacket(
+int32_t RTPReceiver::IncomingRTPPacket(
   WebRtcRTPHeader* rtp_header,
-  const WebRtc_UWord8* packet,
-  const WebRtc_UWord16 packet_length) {
+  const uint8_t* packet,
+  const uint16_t packet_length) {
   // The rtp_header argument contains the parsed RTP header.
   int length = packet_length - rtp_header->header.paddingLength;
 
@@ -378,7 +378,7 @@
       cb_rtp_feedback_->OnReceivedPacket(id_, kPacketRtp);
     }
   }
-  WebRtc_Word8 first_payload_byte = 0;
+  int8_t first_payload_byte = 0;
   if (length > 0) {
     first_payload_byte = packet[rtp_header->header.headerLength];
   }
@@ -406,7 +406,7 @@
   }
   CheckCSRC(rtp_header);
 
-  WebRtc_UWord16 payload_data_length =
+  uint16_t payload_data_length =
     ModuleRTPUtility::GetPayloadDataLength(rtp_header, packet_length);
 
   bool is_first_packet_in_frame =
@@ -414,7 +414,7 @@
       TimeStamp() != rtp_header->header.timestamp;
   bool is_first_packet = is_first_packet_in_frame || HaveNotReceivedPackets();
 
-  WebRtc_Word32 ret_val = rtp_media_receiver_->ParseRtpPacket(
+  int32_t ret_val = rtp_media_receiver_->ParseRtpPacket(
       rtp_header, specific_payload, is_red, packet, packet_length,
       clock_->TimeInMilliseconds(), is_first_packet);
 
@@ -452,9 +452,9 @@
 // Implementation note: we expect to have the critical_section_rtp_receiver_
 // critsect when we call this.
 void RTPReceiver::UpdateStatistics(const WebRtcRTPHeader* rtp_header,
-                                   const WebRtc_UWord16 bytes,
+                                   const uint16_t bytes,
                                    const bool old_packet) {
-  WebRtc_UWord32 frequency_hz = rtp_media_receiver_->GetFrequencyHz();
+  uint32_t frequency_hz = rtp_media_receiver_->GetFrequencyHz();
 
   Bitrate::Update(bytes);
 
@@ -472,12 +472,12 @@
 
   // Count only the new packets received.
   if (InOrderPacket(rtp_header->header.sequenceNumber)) {
-    const WebRtc_UWord32 RTPtime =
+    const uint32_t RTPtime =
       GetCurrentRTP(clock_, frequency_hz);  // Time in samples.
     received_inorder_packet_count_++;
 
     // Wrong if we use RetransmitOfOldPacket.
-    WebRtc_Word32 seq_diff =
+    int32_t seq_diff =
         rtp_header->header.sequenceNumber - received_seq_max_;
     if (seq_diff < 0) {
       // Wrap around detected.
@@ -488,7 +488,7 @@
 
     if (rtp_header->header.timestamp != last_received_timestamp_ &&
         received_inorder_packet_count_ > 1) {
-      WebRtc_Word32 time_diff_samples =
+      int32_t time_diff_samples =
           (RTPtime - local_time_last_received_timestamp_) -
           (rtp_header->header.timestamp - last_received_timestamp_);
 
@@ -499,13 +499,13 @@
       // as the treshold.
       if (time_diff_samples < 450000) {
         // Note we calculate in Q4 to avoid using float.
-        WebRtc_Word32 jitter_diff_q4 = (time_diff_samples << 4) - jitter_q4_;
+        int32_t jitter_diff_q4 = (time_diff_samples << 4) - jitter_q4_;
         jitter_q4_ += ((jitter_diff_q4 + 8) >> 4);
       }
 
       // Extended jitter report, RFC 5450.
       // Actual network jitter, excluding the source-introduced jitter.
-      WebRtc_Word32 time_diff_samples_ext =
+      int32_t time_diff_samples_ext =
         (RTPtime - local_time_last_received_timestamp_) -
         ((rtp_header->header.timestamp +
           rtp_header->extension.transmissionTimeOffset) -
@@ -515,7 +515,7 @@
       time_diff_samples_ext = abs(time_diff_samples_ext);
 
       if (time_diff_samples_ext < 450000) {
-        WebRtc_Word32 jitter_diffQ4TransmissionTimeOffset =
+        int32_t jitter_diffQ4TransmissionTimeOffset =
           (time_diff_samples_ext << 4) - jitter_q4_transmission_time_offset_;
         jitter_q4_transmission_time_offset_ +=
           ((jitter_diffQ4TransmissionTimeOffset + 8) >> 4);
@@ -530,7 +530,7 @@
     }
   }
 
-  WebRtc_UWord16 packet_oh =
+  uint16_t packet_oh =
       rtp_header->header.headerLength + rtp_header->header.paddingLength;
 
   // Our measured overhead. Filter from RFC 5104 4.2.1.2:
@@ -541,23 +541,23 @@
 // Implementation note: we expect to have the critical_section_rtp_receiver_
 // critsect when we call this.
 bool RTPReceiver::RetransmitOfOldPacket(
-    const WebRtc_UWord16 sequence_number,
-    const WebRtc_UWord32 rtp_time_stamp) const {
+    const uint16_t sequence_number,
+    const uint32_t rtp_time_stamp) const {
   if (InOrderPacket(sequence_number)) {
     return false;
   }
 
-  WebRtc_UWord32 frequency_khz = rtp_media_receiver_->GetFrequencyHz() / 1000;
-  WebRtc_Word64 time_diff_ms = clock_->TimeInMilliseconds() -
+  uint32_t frequency_khz = rtp_media_receiver_->GetFrequencyHz() / 1000;
+  int64_t time_diff_ms = clock_->TimeInMilliseconds() -
       last_receive_time_;
 
   // Diff in time stamp since last received in order.
-  WebRtc_Word32 rtp_time_stamp_diff_ms =
-      static_cast<WebRtc_Word32>(rtp_time_stamp - last_received_timestamp_) /
+  int32_t rtp_time_stamp_diff_ms =
+      static_cast<int32_t>(rtp_time_stamp - last_received_timestamp_) /
       frequency_khz;
 
-  WebRtc_UWord16 min_rtt = 0;
-  WebRtc_Word32 max_delay_ms = 0;
+  uint16_t min_rtt = 0;
+  int32_t max_delay_ms = 0;
   rtp_rtcp_.RTT(ssrc_, NULL, NULL, &min_rtt, NULL);
   if (min_rtt == 0) {
     // Jitter variance in samples.
@@ -568,7 +568,7 @@
 
     // 2 times the standard deviation => 95% confidence.
     // And transform to milliseconds by dividing by the frequency in kHz.
-    max_delay_ms = static_cast<WebRtc_Word32>((2 * jitter_std) / frequency_khz);
+    max_delay_ms = static_cast<int32_t>((2 * jitter_std) / frequency_khz);
 
     // Min max_delay_ms is 1.
     if (max_delay_ms == 0) {
@@ -583,7 +583,7 @@
   return false;
 }
 
-bool RTPReceiver::InOrderPacket(const WebRtc_UWord16 sequence_number) const {
+bool RTPReceiver::InOrderPacket(const uint16_t sequence_number) const {
   if (received_seq_max_ >= sequence_number) {
     // Detect wrap-around.
     if (!(received_seq_max_ > 0xff00 && sequence_number < 0x0ff)) {
@@ -608,12 +608,12 @@
   return true;
 }
 
-WebRtc_UWord16 RTPReceiver::SequenceNumber() const {
+uint16_t RTPReceiver::SequenceNumber() const {
   CriticalSectionScoped lock(critical_section_rtp_receiver_);
   return last_received_sequence_number_;
 }
 
-WebRtc_UWord32 RTPReceiver::TimeStamp() const {
+uint32_t RTPReceiver::TimeStamp() const {
   CriticalSectionScoped lock(critical_section_rtp_receiver_);
   return last_received_timestamp_;
 }
@@ -625,10 +625,10 @@
 
 // Compute time stamp of the last incoming packet that is the first packet of
 // its frame.
-WebRtc_Word32 RTPReceiver::EstimatedRemoteTimeStamp(
-    WebRtc_UWord32& timestamp) const {
+int32_t RTPReceiver::EstimatedRemoteTimeStamp(
+    uint32_t& timestamp) const {
   CriticalSectionScoped lock(critical_section_rtp_receiver_);
-  WebRtc_UWord32 frequency_hz = rtp_media_receiver_->GetFrequencyHz();
+  uint32_t frequency_hz = rtp_media_receiver_->GetFrequencyHz();
 
   if (local_time_last_received_timestamp_ == 0) {
     WEBRTC_TRACE(kTraceWarning, kTraceRtpRtcp, id_,
@@ -636,7 +636,7 @@
     return -1;
   }
   // Time in samples.
-  WebRtc_UWord32 diff = GetCurrentRTP(clock_, frequency_hz) -
+  uint32_t diff = GetCurrentRTP(clock_, frequency_hz) -
                         local_time_last_received_timestamp_;
 
   timestamp = last_received_timestamp_ + diff;
@@ -644,7 +644,7 @@
 }
 
 // Get the currently configured SSRC filter.
-WebRtc_Word32 RTPReceiver::SSRCFilter(WebRtc_UWord32& allowed_ssrc) const {
+int32_t RTPReceiver::SSRCFilter(uint32_t& allowed_ssrc) const {
   CriticalSectionScoped lock(critical_section_rtp_receiver_);
   if (use_ssrc_filter_) {
     allowed_ssrc = ssrc_filter_;
@@ -656,8 +656,8 @@
 }
 
 // Set a SSRC to be used as a filter for incoming RTP streams.
-WebRtc_Word32 RTPReceiver::SetSSRCFilter(
-    const bool enable, const WebRtc_UWord32 allowed_ssrc) {
+int32_t RTPReceiver::SetSSRCFilter(
+    const bool enable, const uint32_t allowed_ssrc) {
   CriticalSectionScoped lock(critical_section_rtp_receiver_);
 
   use_ssrc_filter_ = enable;
@@ -674,14 +674,14 @@
   bool new_ssrc = false;
   bool re_initialize_decoder = false;
   char payload_name[RTP_PAYLOAD_NAME_SIZE];
-  WebRtc_UWord32 frequency = kDefaultVideoFrequency;
-  WebRtc_UWord8 channels = 1;
-  WebRtc_UWord32 rate = 0;
+  uint32_t frequency = kDefaultVideoFrequency;
+  uint8_t channels = 1;
+  uint32_t rate = 0;
 
   {
     CriticalSectionScoped lock(critical_section_rtp_receiver_);
 
-    WebRtc_Word8 last_received_payload_type =
+    int8_t last_received_payload_type =
         rtp_payload_registry_->last_received_payload_type();
     if (ssrc_ != rtp_header->header.ssrc ||
         (last_received_payload_type == -1 && ssrc_ == 0)) {
@@ -746,20 +746,20 @@
 // this code path moves we can get rid of some of the rtp_receiver ->
 // media_specific interface (such as CheckPayloadChange, possibly get/set
 // last known payload).
-WebRtc_Word32 RTPReceiver::CheckPayloadChanged(
+int32_t RTPReceiver::CheckPayloadChanged(
   const WebRtcRTPHeader* rtp_header,
-  const WebRtc_Word8 first_payload_byte,
+  const int8_t first_payload_byte,
   bool& is_red,
   ModuleRTPUtility::PayloadUnion* specific_payload) {
   bool re_initialize_decoder = false;
 
   char payload_name[RTP_PAYLOAD_NAME_SIZE];
-  WebRtc_Word8 payload_type = rtp_header->header.payloadType;
+  int8_t payload_type = rtp_header->header.payloadType;
 
   {
     CriticalSectionScoped lock(critical_section_rtp_receiver_);
 
-    WebRtc_Word8 last_received_payload_type =
+    int8_t last_received_payload_type =
         rtp_payload_registry_->last_received_payload_type();
     if (payload_type != last_received_payload_type) {
       if (REDPayloadType(payload_type)) {
@@ -846,9 +846,9 @@
 
 // Implementation note: must not hold critsect when called.
 void RTPReceiver::CheckCSRC(const WebRtcRTPHeader* rtp_header) {
-  WebRtc_Word32 num_csrcs_diff = 0;
-  WebRtc_UWord32 old_remote_csrc[kRtpCsrcSize];
-  WebRtc_UWord8 old_num_csrcs = 0;
+  int32_t num_csrcs_diff = 0;
+  uint32_t old_remote_csrc[kRtpCsrcSize];
+  uint8_t old_num_csrcs = 0;
 
   {
     CriticalSectionScoped lock(critical_section_rtp_receiver_);
@@ -868,14 +868,14 @@
     if (old_num_csrcs > 0) {
       // Make a copy of old.
       memcpy(old_remote_csrc, current_remote_csrc_,
-             num_csrcs_ * sizeof(WebRtc_UWord32));
+             num_csrcs_ * sizeof(uint32_t));
     }
-    const WebRtc_UWord8 num_csrcs = rtp_header->header.numCSRCs;
+    const uint8_t num_csrcs = rtp_header->header.numCSRCs;
     if ((num_csrcs > 0) && (num_csrcs <= kRtpCsrcSize)) {
       // Copy new.
       memcpy(current_remote_csrc_,
              rtp_header->header.arrOfCSRCs,
-             num_csrcs * sizeof(WebRtc_UWord32));
+             num_csrcs * sizeof(uint32_t));
     }
     if (num_csrcs > 0 || old_num_csrcs > 0) {
       num_csrcs_diff = num_csrcs - old_num_csrcs;
@@ -888,11 +888,11 @@
 
   bool have_called_callback = false;
   // Search for new CSRC in old array.
-  for (WebRtc_UWord8 i = 0; i < rtp_header->header.numCSRCs; ++i) {
-    const WebRtc_UWord32 csrc = rtp_header->header.arrOfCSRCs[i];
+  for (uint8_t i = 0; i < rtp_header->header.numCSRCs; ++i) {
+    const uint32_t csrc = rtp_header->header.arrOfCSRCs[i];
 
     bool found_match = false;
-    for (WebRtc_UWord8 j = 0; j < old_num_csrcs; ++j) {
+    for (uint8_t j = 0; j < old_num_csrcs; ++j) {
       if (csrc == old_remote_csrc[j]) {  // old list
         found_match = true;
         break;
@@ -905,11 +905,11 @@
     }
   }
   // Search for old CSRC in new array.
-  for (WebRtc_UWord8 i = 0; i < old_num_csrcs; ++i) {
-    const WebRtc_UWord32 csrc = old_remote_csrc[i];
+  for (uint8_t i = 0; i < old_num_csrcs; ++i) {
+    const uint32_t csrc = old_remote_csrc[i];
 
     bool found_match = false;
-    for (WebRtc_UWord8 j = 0; j < rtp_header->header.numCSRCs; ++j) {
+    for (uint8_t j = 0; j < rtp_header->header.numCSRCs; ++j) {
       if (csrc == rtp_header->header.arrOfCSRCs[j]) {
         found_match = true;
         break;
@@ -933,7 +933,7 @@
   }
 }
 
-WebRtc_Word32 RTPReceiver::ResetStatistics() {
+int32_t RTPReceiver::ResetStatistics() {
   CriticalSectionScoped lock(critical_section_rtp_receiver_);
 
   last_report_inorder_packets_ = 0;
@@ -957,7 +957,7 @@
   return 0;
 }
 
-WebRtc_Word32 RTPReceiver::ResetDataCounters() {
+int32_t RTPReceiver::ResetDataCounters() {
   CriticalSectionScoped lock(critical_section_rtp_receiver_);
 
   received_byte_count_ = 0;
@@ -968,15 +968,15 @@
   return 0;
 }
 
-WebRtc_Word32 RTPReceiver::Statistics(
-    WebRtc_UWord8*  fraction_lost,
-    WebRtc_UWord32* cum_lost,
-    WebRtc_UWord32* ext_max,
-    WebRtc_UWord32* jitter,
-    WebRtc_UWord32* max_jitter,
-    WebRtc_UWord32* jitter_transmission_time_offset,
+int32_t RTPReceiver::Statistics(
+    uint8_t*  fraction_lost,
+    uint32_t* cum_lost,
+    uint32_t* ext_max,
+    uint32_t* jitter,
+    uint32_t* max_jitter,
+    uint32_t* jitter_transmission_time_offset,
     bool reset) const {
-  WebRtc_Word32 missing;
+  int32_t missing;
   return Statistics(fraction_lost,
                     cum_lost,
                     ext_max,
@@ -987,14 +987,14 @@
                     reset);
 }
 
-WebRtc_Word32 RTPReceiver::Statistics(
-    WebRtc_UWord8*  fraction_lost,
-    WebRtc_UWord32* cum_lost,
-    WebRtc_UWord32* ext_max,
-    WebRtc_UWord32* jitter,
-    WebRtc_UWord32* max_jitter,
-    WebRtc_UWord32* jitter_transmission_time_offset,
-    WebRtc_Word32*  missing,
+int32_t RTPReceiver::Statistics(
+    uint8_t*  fraction_lost,
+    uint32_t* cum_lost,
+    uint32_t* ext_max,
+    uint32_t* jitter,
+    uint32_t* max_jitter,
+    uint32_t* jitter_transmission_time_offset,
+    int32_t*  missing,
     bool reset) const {
   CriticalSectionScoped lock(critical_section_rtp_receiver_);
 
@@ -1039,7 +1039,7 @@
     last_report_seq_max_ = received_seq_first_ - 1;
   }
   // Calculate fraction lost.
-  WebRtc_UWord16 exp_since_last = (received_seq_max_ - last_report_seq_max_);
+  uint16_t exp_since_last = (received_seq_max_ - last_report_seq_max_);
 
   if (last_report_seq_max_ > received_seq_max_) {
     // Can we assume that the seq_num can't go decrease over a full RTCP period?
@@ -1048,12 +1048,12 @@
 
   // Number of received RTP packets since last report, counts all packets but
   // not re-transmissions.
-  WebRtc_UWord32 rec_since_last =
+  uint32_t rec_since_last =
       received_inorder_packet_count_ - last_report_inorder_packets_;
 
   if (nack_method_ == kNackOff) {
     // This is needed for re-ordered packets.
-    WebRtc_UWord32 old_packets =
+    uint32_t old_packets =
         received_old_packet_count_ - last_report_old_packets_;
     rec_since_last += old_packets;
   } else {
@@ -1072,10 +1072,10 @@
   if (exp_since_last > rec_since_last) {
     *missing = (exp_since_last - rec_since_last);
   }
-  WebRtc_UWord8 local_fraction_lost = 0;
+  uint8_t local_fraction_lost = 0;
   if (exp_since_last) {
     // Scale 0 to 255, where 255 is 100% loss.
-    local_fraction_lost = (WebRtc_UWord8)((255 * (*missing)) / exp_since_last);
+    local_fraction_lost = (uint8_t)((255 * (*missing)) / exp_since_last);
   }
   if (fraction_lost) {
     *fraction_lost = local_fraction_lost;
@@ -1122,9 +1122,9 @@
   return 0;
 }
 
-WebRtc_Word32 RTPReceiver::DataCounters(
-    WebRtc_UWord32* bytes_received,
-    WebRtc_UWord32* packets_received) const {
+int32_t RTPReceiver::DataCounters(
+    uint32_t* bytes_received,
+    uint32_t* packets_received) const {
   CriticalSectionScoped lock(critical_section_rtp_receiver_);
 
   if (bytes_received) {
diff --git a/webrtc/modules/rtp_rtcp/source/rtp_receiver.h b/webrtc/modules/rtp_rtcp/source/rtp_receiver.h
index d859297..8d794ce 100644
--- a/webrtc/modules/rtp_rtcp/source/rtp_receiver.h
+++ b/webrtc/modules/rtp_rtcp/source/rtp_receiver.h
@@ -37,7 +37,7 @@
   // Callbacks passed in here may not be NULL (use Null Object callbacks if you
   // want callbacks to do nothing). This class takes ownership of the media
   // receiver but nothing else.
-  RTPReceiver(const WebRtc_Word32 id,
+  RTPReceiver(const int32_t id,
               Clock* clock,
               ModuleRtpRtcpImpl* owner,
               RtpAudioFeedback* incoming_audio_messages_callback,
@@ -49,193 +49,191 @@
   virtual ~RTPReceiver();
 
   RtpVideoCodecTypes VideoCodecType() const;
-  WebRtc_UWord32 MaxConfiguredBitrate() const;
+  uint32_t MaxConfiguredBitrate() const;
 
-  WebRtc_Word32 SetPacketTimeout(const WebRtc_UWord32 timeout_ms);
+  int32_t SetPacketTimeout(const uint32_t timeout_ms);
   void PacketTimeout();
 
-  void ProcessDeadOrAlive(const bool RTCPalive, const WebRtc_Word64 now);
+  void ProcessDeadOrAlive(const bool RTCPalive, const int64_t now);
 
   void ProcessBitrate();
 
-  WebRtc_Word32 RegisterReceivePayload(
+  int32_t RegisterReceivePayload(
       const char payload_name[RTP_PAYLOAD_NAME_SIZE],
-      const WebRtc_Word8 payload_type,
-      const WebRtc_UWord32 frequency,
-      const WebRtc_UWord8 channels,
-      const WebRtc_UWord32 rate);
+      const int8_t payload_type,
+      const uint32_t frequency,
+      const uint8_t channels,
+      const uint32_t rate);
 
-  WebRtc_Word32 DeRegisterReceivePayload(const WebRtc_Word8 payload_type);
+  int32_t DeRegisterReceivePayload(const int8_t payload_type);
 
-  WebRtc_Word32 ReceivePayloadType(
+  int32_t ReceivePayloadType(
       const char payload_name[RTP_PAYLOAD_NAME_SIZE],
-      const WebRtc_UWord32 frequency,
-      const WebRtc_UWord8 channels,
-      const WebRtc_UWord32 rate,
-      WebRtc_Word8* payload_type) const;
+      const uint32_t frequency,
+      const uint8_t channels,
+      const uint32_t rate,
+      int8_t* payload_type) const;
 
-  WebRtc_Word32 IncomingRTPPacket(
+  int32_t IncomingRTPPacket(
       WebRtcRTPHeader* rtpheader,
-      const WebRtc_UWord8* incoming_rtp_packet,
-      const WebRtc_UWord16 incoming_rtp_packet_length);
+      const uint8_t* incoming_rtp_packet,
+      const uint16_t incoming_rtp_packet_length);
 
   NACKMethod NACK() const ;
 
   // Turn negative acknowledgement requests on/off.
-  WebRtc_Word32 SetNACKStatus(const NACKMethod method,
-                              int max_reordering_threshold);
+  int32_t SetNACKStatus(const NACKMethod method, int max_reordering_threshold);
 
   // Returns the last received timestamp.
-  virtual WebRtc_UWord32 TimeStamp() const;
+  virtual uint32_t TimeStamp() const;
   int32_t LastReceivedTimeMs() const;
-  virtual WebRtc_UWord16 SequenceNumber() const;
+  virtual uint16_t SequenceNumber() const;
 
-  WebRtc_Word32 EstimatedRemoteTimeStamp(WebRtc_UWord32& timestamp) const;
+  int32_t EstimatedRemoteTimeStamp(uint32_t& timestamp) const;
 
-  WebRtc_UWord32 SSRC() const;
+  uint32_t SSRC() const;
 
-  WebRtc_Word32 CSRCs(WebRtc_UWord32 array_of_csrc[kRtpCsrcSize]) const;
+  int32_t CSRCs(uint32_t array_of_csrc[kRtpCsrcSize]) const;
 
-  WebRtc_Word32 Energy(WebRtc_UWord8 array_of_energy[kRtpCsrcSize]) const;
+  int32_t Energy(uint8_t array_of_energy[kRtpCsrcSize]) const;
 
   // Get the currently configured SSRC filter.
-  WebRtc_Word32 SSRCFilter(WebRtc_UWord32& allowed_ssrc) const;
+  int32_t SSRCFilter(uint32_t& allowed_ssrc) const;
 
   // Set a SSRC to be used as a filter for incoming RTP streams.
-  WebRtc_Word32 SetSSRCFilter(const bool enable,
-                              const WebRtc_UWord32 allowed_ssrc);
+  int32_t SetSSRCFilter(const bool enable, const uint32_t allowed_ssrc);
 
-  WebRtc_Word32 Statistics(WebRtc_UWord8*  fraction_lost,
-                           WebRtc_UWord32* cum_lost,
-                           WebRtc_UWord32* ext_max,
-                           WebRtc_UWord32* jitter,  // Will be moved from JB.
-                           WebRtc_UWord32* max_jitter,
-                           WebRtc_UWord32* jitter_transmission_time_offset,
-                           bool reset) const;
+  int32_t Statistics(uint8_t*  fraction_lost,
+                     uint32_t* cum_lost,
+                     uint32_t* ext_max,
+                     uint32_t* jitter,  // Will be moved from JB.
+                     uint32_t* max_jitter,
+                     uint32_t* jitter_transmission_time_offset,
+                     bool reset) const;
 
-  WebRtc_Word32 Statistics(WebRtc_UWord8*  fraction_lost,
-                           WebRtc_UWord32* cum_lost,
-                           WebRtc_UWord32* ext_max,
-                           WebRtc_UWord32* jitter,  // Will be moved from JB.
-                           WebRtc_UWord32* max_jitter,
-                           WebRtc_UWord32* jitter_transmission_time_offset,
-                           WebRtc_Word32* missing,
-                           bool reset) const;
+  int32_t Statistics(uint8_t*  fraction_lost,
+                     uint32_t* cum_lost,
+                     uint32_t* ext_max,
+                     uint32_t* jitter,  // Will be moved from JB.
+                     uint32_t* max_jitter,
+                     uint32_t* jitter_transmission_time_offset,
+                     int32_t* missing,
+                     bool reset) const;
 
-  WebRtc_Word32 DataCounters(WebRtc_UWord32* bytes_received,
-                             WebRtc_UWord32* packets_received) const;
+  int32_t DataCounters(uint32_t* bytes_received,
+                       uint32_t* packets_received) const;
 
-  WebRtc_Word32 ResetStatistics();
+  int32_t ResetStatistics();
 
-  WebRtc_Word32 ResetDataCounters();
+  int32_t ResetDataCounters();
 
-  WebRtc_UWord16 PacketOHReceived() const;
+  uint16_t PacketOHReceived() const;
 
-  WebRtc_UWord32 PacketCountReceived() const;
+  uint32_t PacketCountReceived() const;
 
-  WebRtc_UWord32 ByteCountReceived() const;
+  uint32_t ByteCountReceived() const;
 
-  WebRtc_Word32 RegisterRtpHeaderExtension(const RTPExtensionType type,
-                                           const WebRtc_UWord8 id);
+  int32_t RegisterRtpHeaderExtension(const RTPExtensionType type,
+                                     const uint8_t id);
 
-  WebRtc_Word32 DeregisterRtpHeaderExtension(const RTPExtensionType type);
+  int32_t DeregisterRtpHeaderExtension(const RTPExtensionType type);
 
   void GetHeaderExtensionMapCopy(RtpHeaderExtensionMap* map) const;
 
   // RTX.
-  void SetRTXStatus(const bool enable, const WebRtc_UWord32 ssrc);
+  void SetRTXStatus(const bool enable, const uint32_t ssrc);
 
-  void RTXStatus(bool* enable, WebRtc_UWord32* ssrc) const;
+  void RTXStatus(bool* enable, uint32_t* ssrc) const;
 
-  virtual WebRtc_Word8 REDPayloadType() const;
+  virtual int8_t REDPayloadType() const;
 
   bool HaveNotReceivedPackets() const;
 
-  virtual bool RetransmitOfOldPacket(const WebRtc_UWord16 sequence_number,
-                                     const WebRtc_UWord32 rtp_time_stamp) const;
+  virtual bool RetransmitOfOldPacket(const uint16_t sequence_number,
+                                     const uint32_t rtp_time_stamp) const;
 
   void UpdateStatistics(const WebRtcRTPHeader* rtp_header,
-                        const WebRtc_UWord16 bytes,
+                        const uint16_t bytes,
                         const bool old_packet);
 
  private:
   // Returns whether RED is configured with payload_type.
-  bool REDPayloadType(const WebRtc_Word8 payload_type) const;
+  bool REDPayloadType(const int8_t payload_type) const;
 
-  bool InOrderPacket(const WebRtc_UWord16 sequence_number) const;
+  bool InOrderPacket(const uint16_t sequence_number) const;
 
   void CheckSSRCChanged(const WebRtcRTPHeader* rtp_header);
   void CheckCSRC(const WebRtcRTPHeader* rtp_header);
-  WebRtc_Word32 CheckPayloadChanged(const WebRtcRTPHeader* rtp_header,
-                                    const WebRtc_Word8 first_payload_byte,
-                                    bool& isRED,
-                                    ModuleRTPUtility::PayloadUnion* payload);
+  int32_t CheckPayloadChanged(const WebRtcRTPHeader* rtp_header,
+                              const int8_t first_payload_byte,
+                              bool& isRED,
+                              ModuleRTPUtility::PayloadUnion* payload);
 
-  void UpdateNACKBitRate(WebRtc_Word32 bytes, WebRtc_UWord32 now);
-  bool ProcessNACKBitRate(WebRtc_UWord32 now);
+  void UpdateNACKBitRate(int32_t bytes, uint32_t now);
+  bool ProcessNACKBitRate(uint32_t now);
 
   RTPPayloadRegistry*             rtp_payload_registry_;
   scoped_ptr<RTPReceiverStrategy> rtp_media_receiver_;
 
-  WebRtc_Word32           id_;
+  int32_t           id_;
   ModuleRtpRtcpImpl&      rtp_rtcp_;
 
   RtpFeedback*            cb_rtp_feedback_;
 
   CriticalSectionWrapper* critical_section_rtp_receiver_;
-  mutable WebRtc_Word64   last_receive_time_;
-  WebRtc_UWord16          last_received_payload_length_;
+  mutable int64_t   last_receive_time_;
+  uint16_t          last_received_payload_length_;
 
-  WebRtc_UWord32          packet_timeout_ms_;
+  uint32_t          packet_timeout_ms_;
 
   RtpHeaderExtensionMap   rtp_header_extension_map_;
 
   // SSRCs.
-  WebRtc_UWord32            ssrc_;
-  WebRtc_UWord8             num_csrcs_;
-  WebRtc_UWord32            current_remote_csrc_[kRtpCsrcSize];
-  WebRtc_UWord8             num_energy_;
-  WebRtc_UWord8             current_remote_energy_[kRtpCsrcSize];
+  uint32_t            ssrc_;
+  uint8_t             num_csrcs_;
+  uint32_t            current_remote_csrc_[kRtpCsrcSize];
+  uint8_t             num_energy_;
+  uint8_t             current_remote_energy_[kRtpCsrcSize];
 
   bool                      use_ssrc_filter_;
-  WebRtc_UWord32            ssrc_filter_;
+  uint32_t            ssrc_filter_;
 
   // Stats on received RTP packets.
-  WebRtc_UWord32            jitter_q4_;
-  mutable WebRtc_UWord32    jitter_max_q4_;
-  mutable WebRtc_UWord32    cumulative_loss_;
-  WebRtc_UWord32            jitter_q4_transmission_time_offset_;
+  uint32_t            jitter_q4_;
+  mutable uint32_t    jitter_max_q4_;
+  mutable uint32_t    cumulative_loss_;
+  uint32_t            jitter_q4_transmission_time_offset_;
 
-  WebRtc_UWord32            local_time_last_received_timestamp_;
+  uint32_t            local_time_last_received_timestamp_;
   int64_t                   last_received_frame_time_ms_;
-  WebRtc_UWord32            last_received_timestamp_;
-  WebRtc_UWord16            last_received_sequence_number_;
-  WebRtc_Word32             last_received_transmission_time_offset_;
-  WebRtc_UWord16            received_seq_first_;
-  WebRtc_UWord16            received_seq_max_;
-  WebRtc_UWord16            received_seq_wraps_;
+  uint32_t            last_received_timestamp_;
+  uint16_t            last_received_sequence_number_;
+  int32_t             last_received_transmission_time_offset_;
+  uint16_t            received_seq_first_;
+  uint16_t            received_seq_max_;
+  uint16_t            received_seq_wraps_;
 
   // Current counter values.
-  WebRtc_UWord16            received_packet_oh_;
-  WebRtc_UWord32            received_byte_count_;
-  WebRtc_UWord32            received_old_packet_count_;
-  WebRtc_UWord32            received_inorder_packet_count_;
+  uint16_t            received_packet_oh_;
+  uint32_t            received_byte_count_;
+  uint32_t            received_old_packet_count_;
+  uint32_t            received_inorder_packet_count_;
 
   // Counter values when we sent the last report.
-  mutable WebRtc_UWord32    last_report_inorder_packets_;
-  mutable WebRtc_UWord32    last_report_old_packets_;
-  mutable WebRtc_UWord16    last_report_seq_max_;
-  mutable WebRtc_UWord8     last_report_fraction_lost_;
-  mutable WebRtc_UWord32    last_report_cumulative_lost_;  // 24 bits valid.
-  mutable WebRtc_UWord32    last_report_extended_high_seq_num_;
-  mutable WebRtc_UWord32    last_report_jitter_;
-  mutable WebRtc_UWord32    last_report_jitter_transmission_time_offset_;
+  mutable uint32_t    last_report_inorder_packets_;
+  mutable uint32_t    last_report_old_packets_;
+  mutable uint16_t    last_report_seq_max_;
+  mutable uint8_t     last_report_fraction_lost_;
+  mutable uint32_t    last_report_cumulative_lost_;  // 24 bits valid.
+  mutable uint32_t    last_report_extended_high_seq_num_;
+  mutable uint32_t    last_report_jitter_;
+  mutable uint32_t    last_report_jitter_transmission_time_offset_;
 
   NACKMethod nack_method_;
   int max_reordering_threshold_;
 
   bool rtx_;
-  WebRtc_UWord32 ssrc_rtx_;
+  uint32_t ssrc_rtx_;
 };
 
 } // namespace webrtc
diff --git a/webrtc/modules/rtp_rtcp/source/rtp_receiver_audio.cc b/webrtc/modules/rtp_rtcp/source/rtp_receiver_audio.cc
index 55894eb..ea921cc 100644
--- a/webrtc/modules/rtp_rtcp/source/rtp_receiver_audio.cc
+++ b/webrtc/modules/rtp_rtcp/source/rtp_receiver_audio.cc
@@ -20,7 +20,7 @@
 #include "webrtc/system_wrappers/interface/trace_event.h"
 
 namespace webrtc {
-RTPReceiverAudio::RTPReceiverAudio(const WebRtc_Word32 id,
+RTPReceiverAudio::RTPReceiverAudio(const int32_t id,
                                    RtpData* data_callback,
                                    RtpAudioFeedback* incoming_messages_callback)
     : RTPReceiverStrategy(data_callback),
@@ -41,7 +41,7 @@
   last_payload_.Audio.channels = 1;
 }
 
-WebRtc_UWord32 RTPReceiverAudio::AudioFrequency() const {
+uint32_t RTPReceiverAudio::AudioFrequency() const {
   CriticalSectionScoped lock(critical_section_rtp_receiver_audio_.get());
   if (last_received_g722_) {
     return 8000;
@@ -64,13 +64,13 @@
 }
 
 bool RTPReceiverAudio::TelephoneEventPayloadType(
-    const WebRtc_Word8 payload_type) const {
+    const int8_t payload_type) const {
   CriticalSectionScoped lock(critical_section_rtp_receiver_audio_.get());
   return (telephone_event_payload_type_ == payload_type) ? true : false;
 }
 
-bool RTPReceiverAudio::CNGPayloadType(const WebRtc_Word8 payload_type,
-                                      WebRtc_UWord32* frequency,
+bool RTPReceiverAudio::CNGPayloadType(const int8_t payload_type,
+                                      uint32_t* frequency,
                                       bool* cng_payload_type_has_changed) {
   CriticalSectionScoped lock(critical_section_rtp_receiver_audio_.get());
   *cng_payload_type_has_changed = false;
@@ -119,7 +119,7 @@
 }
 
 bool RTPReceiverAudio::ShouldReportCsrcChanges(
-    WebRtc_UWord8 payload_type) const {
+    uint8_t payload_type) const {
   // Don't do this for DTMF packets, otherwise it's fine.
   return !TelephoneEventPayloadType(payload_type);
 }
@@ -156,10 +156,10 @@
 // -   MPA       frame         N/A              var.      var.
 // -
 // -   G7221     frame         N/A
-WebRtc_Word32 RTPReceiverAudio::OnNewPayloadTypeCreated(
+int32_t RTPReceiverAudio::OnNewPayloadTypeCreated(
     const char payload_name[RTP_PAYLOAD_NAME_SIZE],
-    const WebRtc_Word8 payload_type,
-    const WebRtc_UWord32 frequency) {
+    const int8_t payload_type,
+    const uint32_t frequency) {
   CriticalSectionScoped lock(critical_section_rtp_receiver_audio_.get());
 
   if (ModuleRTPUtility::StringCompare(payload_name, "telephone-event", 15)) {
@@ -183,21 +183,21 @@
   return 0;
 }
 
-WebRtc_Word32 RTPReceiverAudio::ParseRtpPacket(
+int32_t RTPReceiverAudio::ParseRtpPacket(
     WebRtcRTPHeader* rtp_header,
     const ModuleRTPUtility::PayloadUnion& specific_payload,
     const bool is_red,
-    const WebRtc_UWord8* packet,
-    const WebRtc_UWord16 packet_length,
-    const WebRtc_Word64 timestamp_ms,
+    const uint8_t* packet,
+    const uint16_t packet_length,
+    const int64_t timestamp_ms,
     const bool is_first_packet) {
   TRACE_EVENT_INSTANT2("webrtc_rtp", "RTPReceiverAudio::ParseRtpPacket",
                        "seqnum", rtp_header->header.sequenceNumber,
                        "timestamp", rtp_header->header.timestamp);
 
-  const WebRtc_UWord8* payload_data =
+  const uint8_t* payload_data =
       ModuleRTPUtility::GetPayloadData(rtp_header, packet);
-  const WebRtc_UWord16 payload_data_length =
+  const uint16_t payload_data_length =
       ModuleRTPUtility::GetPayloadDataLength(rtp_header, packet_length);
 
   return ParseAudioCodecSpecific(rtp_header,
@@ -207,12 +207,12 @@
                                  is_red);
 }
 
-WebRtc_Word32 RTPReceiverAudio::GetFrequencyHz() const {
+int32_t RTPReceiverAudio::GetFrequencyHz() const {
   return AudioFrequency();
 }
 
 RTPAliveType RTPReceiverAudio::ProcessDeadOrAlive(
-    WebRtc_UWord16 last_payload_length) const {
+    uint16_t last_payload_length) const {
 
   // Our CNG is 9 bytes; if it's a likely CNG the receiver needs to check
   // kRtpNoRtp against NetEq speech_type kOutputPLCtoCNG.
@@ -224,7 +224,7 @@
 }
 
 void RTPReceiverAudio::CheckPayloadChanged(
-    const WebRtc_Word8 payload_type,
+    const int8_t payload_type,
     ModuleRTPUtility::PayloadUnion* specific_payload,
     bool* should_reset_statistics,
     bool* should_discard_changes) {
@@ -251,10 +251,10 @@
   }
 }
 
-WebRtc_Word32 RTPReceiverAudio::InvokeOnInitializeDecoder(
+int32_t RTPReceiverAudio::InvokeOnInitializeDecoder(
     RtpFeedback* callback,
-    const WebRtc_Word32 id,
-    const WebRtc_Word8 payload_type,
+    const int32_t id,
+    const int8_t payload_type,
     const char payload_name[RTP_PAYLOAD_NAME_SIZE],
     const ModuleRTPUtility::PayloadUnion& specific_payload) const {
   if (-1 == callback->OnInitializeDecoder(id,
@@ -274,10 +274,10 @@
 }
 
 // We are not allowed to have any critsects when calling data_callback.
-WebRtc_Word32 RTPReceiverAudio::ParseAudioCodecSpecific(
+int32_t RTPReceiverAudio::ParseAudioCodecSpecific(
     WebRtcRTPHeader* rtp_header,
-    const WebRtc_UWord8* payload_data,
-    const WebRtc_UWord16 payload_length,
+    const uint8_t* payload_data,
+    const uint16_t payload_length,
     const ModuleRTPUtility::AudioPayload& audio_specific,
     const bool is_red) {
 
@@ -300,7 +300,7 @@
     if (payload_length % 4 != 0) {
       return -1;
     }
-    WebRtc_UWord8 number_of_events = payload_length / 4;
+    uint8_t number_of_events = payload_length / 4;
 
     // sanity
     if (number_of_events >= MAX_NUMBER_OF_PARALLEL_TELEPHONE_EVENTS) {
@@ -309,7 +309,7 @@
     for (int n = 0; n < number_of_events; ++n) {
       bool end = (payload_data[(4 * n) + 1] & 0x80) ? true : false;
 
-      std::set<WebRtc_UWord8>::iterator event =
+      std::set<uint8_t>::iterator event =
           telephone_event_reported_.find(payload_data[4 * n]);
 
       if (event != telephone_event_reported_.end()) {
@@ -340,7 +340,7 @@
     }
 
     // Check if this is a CNG packet, receiver might want to know
-    WebRtc_UWord32 ignored;
+    uint32_t ignored;
     bool also_ignored;
     if (CNGPayloadType(rtp_header->header.payloadType,
                        &ignored,
@@ -358,7 +358,7 @@
         // don't forward event to decoder
         return 0;
       }
-      std::set<WebRtc_UWord8>::iterator first =
+      std::set<uint8_t>::iterator first =
           telephone_event_reported_.begin();
       if (first != telephone_event_reported_.end() && *first > 15) {
         // don't forward non DTMF events
diff --git a/webrtc/modules/rtp_rtcp/source/rtp_receiver_audio.h b/webrtc/modules/rtp_rtcp/source/rtp_receiver_audio.h
index 96df5f1..67b30c0 100644
--- a/webrtc/modules/rtp_rtcp/source/rtp_receiver_audio.h
+++ b/webrtc/modules/rtp_rtcp/source/rtp_receiver_audio.h
@@ -27,11 +27,11 @@
 // Handles audio RTP packets. This class is thread-safe.
 class RTPReceiverAudio : public RTPReceiverStrategy {
  public:
-  RTPReceiverAudio(const WebRtc_Word32 id,
+  RTPReceiverAudio(const int32_t id,
                    RtpData* data_callback,
                    RtpAudioFeedback* incoming_messages_callback);
 
-  WebRtc_UWord32 AudioFrequency() const;
+  uint32_t AudioFrequency() const;
 
   // Forward DTMFs to decoder for playout.
   int SetTelephoneEventForwardToDecoder(bool forward_to_decoder);
@@ -40,38 +40,38 @@
   bool TelephoneEventForwardToDecoder() const;
 
   // Is TelephoneEvent configured with payload type payload_type
-  bool TelephoneEventPayloadType(const WebRtc_Word8 payload_type) const;
+  bool TelephoneEventPayloadType(const int8_t payload_type) const;
 
   // Returns true if CNG is configured with payload type payload_type. If so,
   // the frequency and cng_payload_type_has_changed are filled in.
-  bool CNGPayloadType(const WebRtc_Word8 payload_type,
-                      WebRtc_UWord32* frequency,
+  bool CNGPayloadType(const int8_t payload_type,
+                      uint32_t* frequency,
                       bool* cng_payload_type_has_changed);
 
-  WebRtc_Word32 ParseRtpPacket(
+  int32_t ParseRtpPacket(
       WebRtcRTPHeader* rtp_header,
       const ModuleRTPUtility::PayloadUnion& specific_payload,
       const bool is_red,
-      const WebRtc_UWord8* packet,
-      const WebRtc_UWord16 packet_length,
-      const WebRtc_Word64 timestamp_ms,
+      const uint8_t* packet,
+      const uint16_t packet_length,
+      const int64_t timestamp_ms,
       const bool is_first_packet);
 
-  WebRtc_Word32 GetFrequencyHz() const;
+  int32_t GetFrequencyHz() const;
 
-  RTPAliveType ProcessDeadOrAlive(WebRtc_UWord16 last_payload_length) const;
+  RTPAliveType ProcessDeadOrAlive(uint16_t last_payload_length) const;
 
-  bool ShouldReportCsrcChanges(WebRtc_UWord8 payload_type) const;
+  bool ShouldReportCsrcChanges(uint8_t payload_type) const;
 
-  WebRtc_Word32 OnNewPayloadTypeCreated(
+  int32_t OnNewPayloadTypeCreated(
       const char payload_name[RTP_PAYLOAD_NAME_SIZE],
-      const WebRtc_Word8 payload_type,
-      const WebRtc_UWord32 frequency);
+      const int8_t payload_type,
+      const uint32_t frequency);
 
-  WebRtc_Word32 InvokeOnInitializeDecoder(
+  int32_t InvokeOnInitializeDecoder(
       RtpFeedback* callback,
-      const WebRtc_Word32 id,
-      const WebRtc_Word8 payload_type,
+      const int32_t id,
+      const int8_t payload_type,
       const char payload_name[RTP_PAYLOAD_NAME_SIZE],
       const ModuleRTPUtility::PayloadUnion& specific_payload) const;
 
@@ -81,44 +81,44 @@
       ModuleRTPUtility::PayloadTypeMap* payload_type_map,
       const char payload_name[RTP_PAYLOAD_NAME_SIZE],
       const size_t payload_name_length,
-      const WebRtc_UWord32 frequency,
-      const WebRtc_UWord8 channels,
-      const WebRtc_UWord32 rate) const;
+      const uint32_t frequency,
+      const uint8_t channels,
+      const uint32_t rate) const;
 
   // We need to look out for special payload types here and sometimes reset
   // statistics. In addition we sometimes need to tweak the frequency.
-  void CheckPayloadChanged(const WebRtc_Word8 payload_type,
+  void CheckPayloadChanged(const int8_t payload_type,
                            ModuleRTPUtility::PayloadUnion* specific_payload,
                            bool* should_reset_statistics,
                            bool* should_discard_changes);
 
  private:
 
-  WebRtc_Word32 ParseAudioCodecSpecific(
+  int32_t ParseAudioCodecSpecific(
       WebRtcRTPHeader* rtp_header,
-      const WebRtc_UWord8* payload_data,
-      const WebRtc_UWord16 payload_length,
+      const uint8_t* payload_data,
+      const uint16_t payload_length,
       const ModuleRTPUtility::AudioPayload& audio_specific,
       const bool is_red);
 
-  WebRtc_Word32 id_;
+  int32_t id_;
   scoped_ptr<CriticalSectionWrapper> critical_section_rtp_receiver_audio_;
 
-  WebRtc_UWord32 last_received_frequency_;
+  uint32_t last_received_frequency_;
 
   bool telephone_event_forward_to_decoder_;
-  WebRtc_Word8 telephone_event_payload_type_;
-  std::set<WebRtc_UWord8> telephone_event_reported_;
+  int8_t telephone_event_payload_type_;
+  std::set<uint8_t> telephone_event_reported_;
 
-  WebRtc_Word8 cng_nb_payload_type_;
-  WebRtc_Word8 cng_wb_payload_type_;
-  WebRtc_Word8 cng_swb_payload_type_;
-  WebRtc_Word8 cng_fb_payload_type_;
-  WebRtc_Word8 cng_payload_type_;
+  int8_t cng_nb_payload_type_;
+  int8_t cng_wb_payload_type_;
+  int8_t cng_swb_payload_type_;
+  int8_t cng_fb_payload_type_;
+  int8_t cng_payload_type_;
 
   // G722 is special since it use the wrong number of RTP samples in timestamp
   // VS. number of samples in the frame
-  WebRtc_Word8 g722_payload_type_;
+  int8_t g722_payload_type_;
   bool last_received_g722_;
 
   RtpAudioFeedback* cb_audio_feedback_;
diff --git a/webrtc/modules/rtp_rtcp/source/rtp_receiver_strategy.h b/webrtc/modules/rtp_rtcp/source/rtp_receiver_strategy.h
index 19b6488..8e8fa1d 100644
--- a/webrtc/modules/rtp_rtcp/source/rtp_receiver_strategy.h
+++ b/webrtc/modules/rtp_rtcp/source/rtp_receiver_strategy.h
@@ -39,45 +39,45 @@
   // make changes in the data as necessary. The specific_payload argument
   // provides audio or video-specific data. The is_first_packet argument is true
   // if this packet is either the first packet ever or the first in its frame.
-  virtual WebRtc_Word32 ParseRtpPacket(
+  virtual int32_t ParseRtpPacket(
     WebRtcRTPHeader* rtp_header,
     const ModuleRTPUtility::PayloadUnion& specific_payload,
     const bool is_red,
-    const WebRtc_UWord8* packet,
-    const WebRtc_UWord16 packet_length,
-    const WebRtc_Word64 timestamp_ms,
+    const uint8_t* packet,
+    const uint16_t packet_length,
+    const int64_t timestamp_ms,
     const bool is_first_packet) = 0;
 
   // Retrieves the last known applicable frequency.
-  virtual WebRtc_Word32 GetFrequencyHz() const = 0;
+  virtual int32_t GetFrequencyHz() const = 0;
 
   // Computes the current dead-or-alive state.
   virtual RTPAliveType ProcessDeadOrAlive(
-    WebRtc_UWord16 last_payload_length) const = 0;
+    uint16_t last_payload_length) const = 0;
 
   // Returns true if we should report CSRC changes for this payload type.
   // TODO(phoglund): should move out of here along with other payload stuff.
-  virtual bool ShouldReportCsrcChanges(WebRtc_UWord8 payload_type) const = 0;
+  virtual bool ShouldReportCsrcChanges(uint8_t payload_type) const = 0;
 
   // Notifies the strategy that we have created a new non-RED payload type in
   // the payload registry.
-  virtual WebRtc_Word32 OnNewPayloadTypeCreated(
+  virtual int32_t OnNewPayloadTypeCreated(
       const char payloadName[RTP_PAYLOAD_NAME_SIZE],
-      const WebRtc_Word8 payloadType,
-      const WebRtc_UWord32 frequency) = 0;
+      const int8_t payloadType,
+      const uint32_t frequency) = 0;
 
   // Invokes the OnInitializeDecoder callback in a media-specific way.
-  virtual WebRtc_Word32 InvokeOnInitializeDecoder(
+  virtual int32_t InvokeOnInitializeDecoder(
     RtpFeedback* callback,
-    const WebRtc_Word32 id,
-    const WebRtc_Word8 payload_type,
+    const int32_t id,
+    const int8_t payload_type,
     const char payload_name[RTP_PAYLOAD_NAME_SIZE],
     const ModuleRTPUtility::PayloadUnion& specific_payload) const = 0;
 
   // Checks if the payload type has changed, and returns whether we should
   // reset statistics and/or discard this packet.
   virtual void CheckPayloadChanged(
-    const WebRtc_Word8 payload_type,
+    const int8_t payload_type,
     ModuleRTPUtility::PayloadUnion* specific_payload,
     bool* should_reset_statistics,
     bool* should_discard_changes) {
diff --git a/webrtc/modules/rtp_rtcp/source/rtp_receiver_video.cc b/webrtc/modules/rtp_rtcp/source/rtp_receiver_video.cc
index 09180d8..ca6e05b 100644
--- a/webrtc/modules/rtp_rtcp/source/rtp_receiver_video.cc
+++ b/webrtc/modules/rtp_rtcp/source/rtp_receiver_video.cc
@@ -25,12 +25,12 @@
 #include "webrtc/system_wrappers/interface/trace_event.h"
 
 namespace webrtc {
-WebRtc_UWord32 BitRateBPS(WebRtc_UWord16 x) {
-  return (x & 0x3fff) * WebRtc_UWord32(pow(10.0f, (2 + (x >> 14))));
+uint32_t BitRateBPS(uint16_t x) {
+  return (x & 0x3fff) * uint32_t(pow(10.0f, (2 + (x >> 14))));
 }
 
 RTPReceiverVideo::RTPReceiverVideo(
-    const WebRtc_Word32 id,
+    const int32_t id,
     const RTPPayloadRegistry* rtp_rtp_payload_registry,
     RtpData* data_callback)
     : RTPReceiverStrategy(data_callback),
@@ -48,15 +48,15 @@
 }
 
 bool RTPReceiverVideo::ShouldReportCsrcChanges(
-    WebRtc_UWord8 payload_type) const {
+    uint8_t payload_type) const {
   // Always do this for video packets.
   return true;
 }
 
-WebRtc_Word32 RTPReceiverVideo::OnNewPayloadTypeCreated(
+int32_t RTPReceiverVideo::OnNewPayloadTypeCreated(
     const char payload_name[RTP_PAYLOAD_NAME_SIZE],
-    const WebRtc_Word8 payload_type,
-    const WebRtc_UWord32 frequency) {
+    const int8_t payload_type,
+    const uint32_t frequency) {
   if (ModuleRTPUtility::StringCompare(payload_name, "ULPFEC", 6)) {
     // Enable FEC if not enabled.
     if (receive_fec_ == NULL) {
@@ -67,20 +67,20 @@
   return 0;
 }
 
-WebRtc_Word32 RTPReceiverVideo::ParseRtpPacket(
+int32_t RTPReceiverVideo::ParseRtpPacket(
     WebRtcRTPHeader* rtp_header,
     const ModuleRTPUtility::PayloadUnion& specific_payload,
     const bool is_red,
-    const WebRtc_UWord8* packet,
-    const WebRtc_UWord16 packet_length,
-    const WebRtc_Word64 timestamp_ms,
+    const uint8_t* packet,
+    const uint16_t packet_length,
+    const int64_t timestamp_ms,
     const bool is_first_packet) {
   TRACE_EVENT_INSTANT2("webrtc_rtp", "RTPReceiverVideo::ParseRtpPacket",
                        "seqnum", rtp_header->header.sequenceNumber,
                        "timestamp", rtp_header->header.timestamp);
-  const WebRtc_UWord8* payload_data =
+  const uint8_t* payload_data =
       ModuleRTPUtility::GetPayloadData(rtp_header, packet);
-  const WebRtc_UWord16 payload_data_length =
+  const uint16_t payload_data_length =
       ModuleRTPUtility::GetPayloadDataLength(rtp_header, packet_length);
   return ParseVideoCodecSpecific(rtp_header,
                                  payload_data,
@@ -93,19 +93,19 @@
                                  is_first_packet);
 }
 
-WebRtc_Word32 RTPReceiverVideo::GetFrequencyHz() const {
+int32_t RTPReceiverVideo::GetFrequencyHz() const {
   return kDefaultVideoFrequency;
 }
 
 RTPAliveType RTPReceiverVideo::ProcessDeadOrAlive(
-    WebRtc_UWord16 last_payload_length) const {
+    uint16_t last_payload_length) const {
   return kRtpDead;
 }
 
-WebRtc_Word32 RTPReceiverVideo::InvokeOnInitializeDecoder(
+int32_t RTPReceiverVideo::InvokeOnInitializeDecoder(
     RtpFeedback* callback,
-    const WebRtc_Word32 id,
-    const WebRtc_Word8 payload_type,
+    const int32_t id,
+    const int8_t payload_type,
     const char payload_name[RTP_PAYLOAD_NAME_SIZE],
     const ModuleRTPUtility::PayloadUnion& specific_payload) const {
   // For video we just go with default values.
@@ -124,17 +124,17 @@
 // we have no critext when calling this
 // we are not allowed to have any critsects when calling
 // CallbackOfReceivedPayloadData
-WebRtc_Word32 RTPReceiverVideo::ParseVideoCodecSpecific(
+int32_t RTPReceiverVideo::ParseVideoCodecSpecific(
     WebRtcRTPHeader* rtp_header,
-    const WebRtc_UWord8* payload_data,
-    const WebRtc_UWord16 payload_data_length,
+    const uint8_t* payload_data,
+    const uint16_t payload_data_length,
     const RtpVideoCodecTypes video_type,
     const bool is_red,
-    const WebRtc_UWord8* incoming_rtp_packet,
-    const WebRtc_UWord16 incoming_rtp_packet_size,
-    const WebRtc_Word64 now_ms,
+    const uint8_t* incoming_rtp_packet,
+    const uint16_t incoming_rtp_packet_size,
+    const int64_t now_ms,
     const bool is_first_packet) {
-  WebRtc_Word32 ret_val = 0;
+  int32_t ret_val = 0;
 
   critical_section_receiver_video_->Enter();
 
@@ -158,7 +158,7 @@
       // empty payload and data length.
       rtp_header->frameType = kFrameEmpty;
       // We need this for the routing.
-      WebRtc_Word32 ret_val = SetCodecType(video_type, rtp_header);
+      int32_t ret_val = SetCodecType(video_type, rtp_header);
       if (ret_val != 0) {
         return ret_val;
       }
@@ -178,11 +178,11 @@
   return ret_val;
 }
 
-WebRtc_Word32 RTPReceiverVideo::BuildRTPheader(
+int32_t RTPReceiverVideo::BuildRTPheader(
     const WebRtcRTPHeader* rtp_header,
-    WebRtc_UWord8* data_buffer) const {
-  data_buffer[0] = static_cast<WebRtc_UWord8>(0x80);  // version 2
-  data_buffer[1] = static_cast<WebRtc_UWord8>(rtp_header->header.payloadType);
+    uint8_t* data_buffer) const {
+  data_buffer[0] = static_cast<uint8_t>(0x80);  // version 2
+  data_buffer[1] = static_cast<uint8_t>(rtp_header->header.payloadType);
   if (rtp_header->header.markerBit) {
     data_buffer[1] |= kRtpMarkerBitMask;  // MarkerBit is 1
   }
@@ -193,7 +193,7 @@
   ModuleRTPUtility::AssignUWord32ToBuffer(data_buffer + 8,
                                           rtp_header->header.ssrc);
 
-  WebRtc_Word32 rtp_header_length = 12;
+  int32_t rtp_header_length = 12;
 
   // Add the CSRCs if any
   if (rtp_header->header.numCSRCs > 0) {
@@ -201,23 +201,23 @@
       // error
       assert(false);
     }
-    WebRtc_UWord8* ptr = &data_buffer[rtp_header_length];
-    for (WebRtc_UWord32 i = 0; i < rtp_header->header.numCSRCs; ++i) {
+    uint8_t* ptr = &data_buffer[rtp_header_length];
+    for (uint32_t i = 0; i < rtp_header->header.numCSRCs; ++i) {
       ModuleRTPUtility::AssignUWord32ToBuffer(ptr,
                                               rtp_header->header.arrOfCSRCs[i]);
       ptr += 4;
     }
     data_buffer[0] = (data_buffer[0] & 0xf0) | rtp_header->header.numCSRCs;
     // Update length of header
-    rtp_header_length += sizeof(WebRtc_UWord32) * rtp_header->header.numCSRCs;
+    rtp_header_length += sizeof(uint32_t) * rtp_header->header.numCSRCs;
   }
   return rtp_header_length;
 }
 
-WebRtc_Word32 RTPReceiverVideo::ReceiveRecoveredPacketCallback(
+int32_t RTPReceiverVideo::ReceiveRecoveredPacketCallback(
     WebRtcRTPHeader* rtp_header,
-    const WebRtc_UWord8* payload_data,
-    const WebRtc_UWord16 payload_data_length) {
+    const uint8_t* payload_data,
+    const uint16_t payload_data_length) {
   // TODO(pwestin) Re-factor this to avoid the messy critsect handling.
   critical_section_receiver_video_->Enter();
 
@@ -231,11 +231,11 @@
   }
   // here we can re-create the original lost packet so that we can use it for
   // the relay we need to re-create the RED header too
-  WebRtc_UWord8 recovered_packet[IP_PACKET_SIZE];
-  WebRtc_UWord16 rtp_header_length =
-      (WebRtc_UWord16) BuildRTPheader(rtp_header, recovered_packet);
+  uint8_t recovered_packet[IP_PACKET_SIZE];
+  uint16_t rtp_header_length =
+      (uint16_t) BuildRTPheader(rtp_header, recovered_packet);
 
-  const WebRtc_UWord8 kREDForFECHeaderLength = 1;
+  const uint8_t kREDForFECHeaderLength = 1;
 
   // replace pltype
   recovered_packet[1] &= 0x80;  // Reset.
@@ -262,7 +262,7 @@
       is_first_packet);
 }
 
-WebRtc_Word32 RTPReceiverVideo::SetCodecType(
+int32_t RTPReceiverVideo::SetCodecType(
     const RtpVideoCodecTypes video_type,
     WebRtcRTPHeader* rtp_header) const {
   switch (video_type) {
@@ -279,13 +279,13 @@
   return 0;
 }
 
-WebRtc_Word32 RTPReceiverVideo::ParseVideoCodecSpecificSwitch(
+int32_t RTPReceiverVideo::ParseVideoCodecSpecificSwitch(
     WebRtcRTPHeader* rtp_header,
-    const WebRtc_UWord8* payload_data,
-    const WebRtc_UWord16 payload_data_length,
+    const uint8_t* payload_data,
+    const uint16_t payload_data_length,
     const RtpVideoCodecTypes video_type,
     const bool is_first_packet) {
-  WebRtc_Word32 ret_val = SetCodecType(video_type, rtp_header);
+  int32_t ret_val = SetCodecType(video_type, rtp_header);
   if (ret_val != 0) {
     critical_section_receiver_video_->Leave();
     return ret_val;
@@ -312,10 +312,10 @@
   return -1;
 }
 
-WebRtc_Word32 RTPReceiverVideo::ReceiveVp8Codec(
+int32_t RTPReceiverVideo::ReceiveVp8Codec(
     WebRtcRTPHeader* rtp_header,
-    const WebRtc_UWord8* payload_data,
-    const WebRtc_UWord16 payload_data_length) {
+    const uint8_t* payload_data,
+    const uint16_t payload_data_length) {
   bool success;
   ModuleRTPUtility::RTPPayload parsed_packet;
   if (payload_data_length == 0) {
@@ -378,10 +378,10 @@
   return 0;
 }
 
-WebRtc_Word32 RTPReceiverVideo::ReceiveGenericCodec(
+int32_t RTPReceiverVideo::ReceiveGenericCodec(
     WebRtcRTPHeader* rtp_header,
-    const WebRtc_UWord8* payload_data,
-    WebRtc_UWord16 payload_data_length) {
+    const uint8_t* payload_data,
+    uint16_t payload_data_length) {
   uint8_t generic_header = *payload_data++;
   --payload_data_length;
 
diff --git a/webrtc/modules/rtp_rtcp/source/rtp_receiver_video.h b/webrtc/modules/rtp_rtcp/source/rtp_receiver_video.h
index d5bbb81..520e201 100644
--- a/webrtc/modules/rtp_rtcp/source/rtp_receiver_video.h
+++ b/webrtc/modules/rtp_rtcp/source/rtp_receiver_video.h
@@ -27,81 +27,81 @@
 
 class RTPReceiverVideo : public RTPReceiverStrategy {
  public:
-  RTPReceiverVideo(const WebRtc_Word32 id,
+  RTPReceiverVideo(const int32_t id,
                    const RTPPayloadRegistry* rtp_payload_registry,
                    RtpData* data_callback);
 
   virtual ~RTPReceiverVideo();
 
-  WebRtc_Word32 ParseRtpPacket(
+  int32_t ParseRtpPacket(
       WebRtcRTPHeader* rtp_header,
       const ModuleRTPUtility::PayloadUnion& specific_payload,
       const bool is_red,
-      const WebRtc_UWord8* packet,
-      const WebRtc_UWord16 packet_length,
-      const WebRtc_Word64 timestamp,
+      const uint8_t* packet,
+      const uint16_t packet_length,
+      const int64_t timestamp,
       const bool is_first_packet);
 
-  WebRtc_Word32 GetFrequencyHz() const;
+  int32_t GetFrequencyHz() const;
 
-  RTPAliveType ProcessDeadOrAlive(WebRtc_UWord16 last_payload_length) const;
+  RTPAliveType ProcessDeadOrAlive(uint16_t last_payload_length) const;
 
-  bool ShouldReportCsrcChanges(WebRtc_UWord8 payload_type) const;
+  bool ShouldReportCsrcChanges(uint8_t payload_type) const;
 
-  WebRtc_Word32 OnNewPayloadTypeCreated(
+  int32_t OnNewPayloadTypeCreated(
       const char payload_name[RTP_PAYLOAD_NAME_SIZE],
-      const WebRtc_Word8 payload_type,
-      const WebRtc_UWord32 frequency);
+      const int8_t payload_type,
+      const uint32_t frequency);
 
-  WebRtc_Word32 InvokeOnInitializeDecoder(
+  int32_t InvokeOnInitializeDecoder(
       RtpFeedback* callback,
-      const WebRtc_Word32 id,
-      const WebRtc_Word8 payload_type,
+      const int32_t id,
+      const int8_t payload_type,
       const char payload_name[RTP_PAYLOAD_NAME_SIZE],
       const ModuleRTPUtility::PayloadUnion& specific_payload) const;
 
-  virtual WebRtc_Word32 ReceiveRecoveredPacketCallback(
+  virtual int32_t ReceiveRecoveredPacketCallback(
       WebRtcRTPHeader* rtp_header,
-      const WebRtc_UWord8* payload_data,
-      const WebRtc_UWord16 payload_data_length);
+      const uint8_t* payload_data,
+      const uint16_t payload_data_length);
 
-  void SetPacketOverHead(WebRtc_UWord16 packet_over_head);
+  void SetPacketOverHead(uint16_t packet_over_head);
 
  protected:
-  WebRtc_Word32 SetCodecType(const RtpVideoCodecTypes video_type,
-                             WebRtcRTPHeader* rtp_header) const;
+  int32_t SetCodecType(const RtpVideoCodecTypes video_type,
+                       WebRtcRTPHeader* rtp_header) const;
 
-  WebRtc_Word32 ParseVideoCodecSpecificSwitch(
+  int32_t ParseVideoCodecSpecificSwitch(
       WebRtcRTPHeader* rtp_header,
-      const WebRtc_UWord8* payload_data,
-      const WebRtc_UWord16 payload_data_length,
+      const uint8_t* payload_data,
+      const uint16_t payload_data_length,
       const RtpVideoCodecTypes video_type,
       const bool is_first_packet);
 
-  WebRtc_Word32 ReceiveGenericCodec(WebRtcRTPHeader* rtp_header,
-                                    const WebRtc_UWord8* payload_data,
-                                    const WebRtc_UWord16 payload_data_length);
+  int32_t ReceiveGenericCodec(WebRtcRTPHeader* rtp_header,
+                              const uint8_t* payload_data,
+                              const uint16_t payload_data_length);
 
-  WebRtc_Word32 ReceiveVp8Codec(WebRtcRTPHeader* rtp_header,
-                                const WebRtc_UWord8* payload_data,
-                                const WebRtc_UWord16 payload_data_length);
+  int32_t ReceiveVp8Codec(WebRtcRTPHeader* rtp_header,
+                          const uint8_t* payload_data,
+                          const uint16_t payload_data_length);
 
-  WebRtc_Word32 BuildRTPheader(const WebRtcRTPHeader* rtp_header,
-                               WebRtc_UWord8* data_buffer) const;
+  int32_t BuildRTPheader(const WebRtcRTPHeader* rtp_header,
+                         uint8_t* data_buffer) const;
 
  private:
-  WebRtc_Word32 ParseVideoCodecSpecific(
+  int32_t ParseVideoCodecSpecific(
       WebRtcRTPHeader* rtp_header,
-      const WebRtc_UWord8* payload_data,
-      const WebRtc_UWord16 payload_data_length,
+      const uint8_t* payload_data,
+      const uint16_t payload_data_length,
       const RtpVideoCodecTypes video_type,
       const bool is_red,
-      const WebRtc_UWord8* incoming_rtp_packet,
-      const WebRtc_UWord16 incoming_rtp_packet_size,
-      const WebRtc_Word64 now_ms,
+      const uint8_t* incoming_rtp_packet,
+      const uint16_t incoming_rtp_packet_size,
+      const int64_t now_ms,
       const bool is_first_packet);
 
-  WebRtc_Word32 id_;
+  int32_t id_;
   const RTPPayloadRegistry* rtp_rtp_payload_registry_;
 
   CriticalSectionWrapper* critical_section_receiver_video_;
diff --git a/webrtc/modules/rtp_rtcp/source/rtp_rtcp_impl.cc b/webrtc/modules/rtp_rtcp/source/rtp_rtcp_impl.cc
index 71d7940..1597ab2 100644
--- a/webrtc/modules/rtp_rtcp/source/rtp_rtcp_impl.cc
+++ b/webrtc/modules/rtp_rtcp/source/rtp_rtcp_impl.cc
@@ -159,7 +159,7 @@
   rtcp_sender_.RegisterSendTransport(configuration.outgoing_transport);
 
   // Make sure that RTCP objects are aware of our SSRC
-  WebRtc_UWord32 SSRC = rtp_sender_.SSRC();
+  uint32_t SSRC = rtp_sender_.SSRC();
   rtcp_sender_.SetSSRC(SSRC);
   rtcp_receiver_.SetSSRC(SSRC);
 
@@ -228,14 +228,14 @@
 
 // Returns the number of milliseconds until the module want a worker thread
 // to call Process.
-WebRtc_Word32 ModuleRtpRtcpImpl::TimeUntilNextProcess() {
-    const WebRtc_Word64 now = clock_->TimeInMilliseconds();
+int32_t ModuleRtpRtcpImpl::TimeUntilNextProcess() {
+    const int64_t now = clock_->TimeInMilliseconds();
   return kRtpRtcpMaxIdleTimeProcess - (now - last_process_time_);
 }
 
 // Process any pending tasks such as timeouts (non time critical events).
-WebRtc_Word32 ModuleRtpRtcpImpl::Process() {
-    const WebRtc_Word64 now = clock_->TimeInMilliseconds();
+int32_t ModuleRtpRtcpImpl::Process() {
+    const int64_t now = clock_->TimeInMilliseconds();
   last_process_time_ = now;
 
   if (now >=
@@ -309,9 +309,8 @@
 }
 
 void ModuleRtpRtcpImpl::ProcessDeadOrAliveTimer() {
-
   bool RTCPalive = false;
-  WebRtc_Word64 now = 0;
+  int64_t now = 0;
   bool do_callback = false;
 
   // Do operations on members under lock but avoid making the
@@ -336,9 +335,9 @@
     rtp_receiver_->ProcessDeadOrAlive(RTCPalive, now);
 }
 
-WebRtc_Word32 ModuleRtpRtcpImpl::SetPeriodicDeadOrAliveStatus(
+int32_t ModuleRtpRtcpImpl::SetPeriodicDeadOrAliveStatus(
     const bool enable,
-    const WebRtc_UWord8 sample_time_seconds) {
+    const uint8_t sample_time_seconds) {
   if (enable) {
     WEBRTC_TRACE(kTraceModuleCall,
                  kTraceRtpRtcp,
@@ -364,9 +363,9 @@
   return 0;
 }
 
-WebRtc_Word32 ModuleRtpRtcpImpl::PeriodicDeadOrAliveStatus(
+int32_t ModuleRtpRtcpImpl::PeriodicDeadOrAliveStatus(
     bool& enable,
-    WebRtc_UWord8& sample_time_seconds) {
+    uint8_t& sample_time_seconds) {
   WEBRTC_TRACE(kTraceModuleCall,
                kTraceRtpRtcp,
                id_,
@@ -374,13 +373,13 @@
 
   enable = dead_or_alive_active_;
   sample_time_seconds =
-      static_cast<WebRtc_UWord8>(dead_or_alive_timeout_ms_ / 1000);
+      static_cast<uint8_t>(dead_or_alive_timeout_ms_ / 1000);
   return 0;
 }
 
-WebRtc_Word32 ModuleRtpRtcpImpl::SetPacketTimeout(
-    const WebRtc_UWord32 rtp_timeout_ms,
-    const WebRtc_UWord32 rtcp_timeout_ms) {
+int32_t ModuleRtpRtcpImpl::SetPacketTimeout(
+    const uint32_t rtp_timeout_ms,
+    const uint32_t rtcp_timeout_ms) {
   WEBRTC_TRACE(kTraceModuleCall,
                kTraceRtpRtcp,
                id_,
@@ -394,7 +393,7 @@
   return -1;
 }
 
-WebRtc_Word32 ModuleRtpRtcpImpl::RegisterReceivePayload(
+int32_t ModuleRtpRtcpImpl::RegisterReceivePayload(
     const CodecInst& voice_codec) {
   WEBRTC_TRACE(kTraceModuleCall,
                kTraceRtpRtcp,
@@ -409,7 +408,7 @@
       (voice_codec.rate < 0) ? 0 : voice_codec.rate);
 }
 
-WebRtc_Word32 ModuleRtpRtcpImpl::RegisterReceivePayload(
+int32_t ModuleRtpRtcpImpl::RegisterReceivePayload(
     const VideoCodec& video_codec) {
   WEBRTC_TRACE(kTraceModuleCall,
                kTraceRtpRtcp,
@@ -423,9 +422,9 @@
                                                video_codec.maxBitrate);
 }
 
-WebRtc_Word32 ModuleRtpRtcpImpl::ReceivePayloadType(
+int32_t ModuleRtpRtcpImpl::ReceivePayloadType(
     const CodecInst& voice_codec,
-  WebRtc_Word8* pl_type) {
+  int8_t* pl_type) {
   WEBRTC_TRACE(kTraceModuleCall,
                kTraceRtpRtcp,
                id_,
@@ -439,9 +438,9 @@
            pl_type);
 }
 
-WebRtc_Word32 ModuleRtpRtcpImpl::ReceivePayloadType(
+int32_t ModuleRtpRtcpImpl::ReceivePayloadType(
     const VideoCodec& video_codec,
-  WebRtc_Word8* pl_type) {
+  int8_t* pl_type) {
   WEBRTC_TRACE(kTraceModuleCall,
                kTraceRtpRtcp,
                id_,
@@ -454,8 +453,8 @@
                                            pl_type);
 }
 
-WebRtc_Word32 ModuleRtpRtcpImpl::DeRegisterReceivePayload(
-    const WebRtc_Word8 payload_type) {
+int32_t ModuleRtpRtcpImpl::DeRegisterReceivePayload(
+    const int8_t payload_type) {
   WEBRTC_TRACE(kTraceModuleCall,
                kTraceRtpRtcp,
                id_,
@@ -466,17 +465,17 @@
 }
 
 // Get the currently configured SSRC filter.
-WebRtc_Word32 ModuleRtpRtcpImpl::SSRCFilter(
-    WebRtc_UWord32& allowed_ssrc) const {
+int32_t ModuleRtpRtcpImpl::SSRCFilter(
+    uint32_t& allowed_ssrc) const {
   WEBRTC_TRACE(kTraceModuleCall, kTraceRtpRtcp, id_, "SSRCFilter()");
 
   return rtp_receiver_->SSRCFilter(allowed_ssrc);
 }
 
 // Set a SSRC to be used as a filter for incoming RTP streams.
-WebRtc_Word32 ModuleRtpRtcpImpl::SetSSRCFilter(
+int32_t ModuleRtpRtcpImpl::SetSSRCFilter(
     const bool enable,
-    const WebRtc_UWord32 allowed_ssrc) {
+    const uint32_t allowed_ssrc) {
   if (enable) {
     WEBRTC_TRACE(kTraceModuleCall,
                  kTraceRtpRtcp,
@@ -494,7 +493,7 @@
 }
 
 // Get last received remote timestamp.
-WebRtc_UWord32 ModuleRtpRtcpImpl::RemoteTimestamp() const {
+uint32_t ModuleRtpRtcpImpl::RemoteTimestamp() const {
   WEBRTC_TRACE(kTraceModuleCall, kTraceRtpRtcp, id_, "RemoteTimestamp()");
 
   return rtp_receiver_->TimeStamp();
@@ -508,8 +507,8 @@
 }
 
 // Get the current estimated remote timestamp.
-WebRtc_Word32 ModuleRtpRtcpImpl::EstimatedRemoteTimeStamp(
-    WebRtc_UWord32& timestamp) const {
+int32_t ModuleRtpRtcpImpl::EstimatedRemoteTimeStamp(
+    uint32_t& timestamp) const {
   WEBRTC_TRACE(kTraceModuleCall,
                kTraceRtpRtcp,
                id_,
@@ -519,51 +518,50 @@
 }
 
 // Get incoming SSRC.
-WebRtc_UWord32 ModuleRtpRtcpImpl::RemoteSSRC() const {
+uint32_t ModuleRtpRtcpImpl::RemoteSSRC() const {
   WEBRTC_TRACE(kTraceModuleCall, kTraceRtpRtcp, id_, "RemoteSSRC()");
 
   return rtp_receiver_->SSRC();
 }
 
 // Get remote CSRC
-WebRtc_Word32 ModuleRtpRtcpImpl::RemoteCSRCs(
-    WebRtc_UWord32 arr_of_csrc[kRtpCsrcSize]) const {
+int32_t ModuleRtpRtcpImpl::RemoteCSRCs(
+    uint32_t arr_of_csrc[kRtpCsrcSize]) const {
   WEBRTC_TRACE(kTraceModuleCall, kTraceRtpRtcp, id_, "RemoteCSRCs()");
 
   return rtp_receiver_->CSRCs(arr_of_csrc);
 }
 
-WebRtc_Word32 ModuleRtpRtcpImpl::SetRTXSendStatus(
+int32_t ModuleRtpRtcpImpl::SetRTXSendStatus(
     const RtxMode mode,
     const bool set_ssrc,
-    const WebRtc_UWord32 ssrc) {
+    const uint32_t ssrc) {
   rtp_sender_.SetRTXStatus(mode, set_ssrc, ssrc);
   return 0;
 }
 
-WebRtc_Word32 ModuleRtpRtcpImpl::RTXSendStatus(RtxMode* mode,
-                                               WebRtc_UWord32* ssrc) const {
+int32_t ModuleRtpRtcpImpl::RTXSendStatus(RtxMode* mode, uint32_t* ssrc) const {
   rtp_sender_.RTXStatus(mode, ssrc);
   return 0;
 }
 
-WebRtc_Word32 ModuleRtpRtcpImpl::SetRTXReceiveStatus(
+int32_t ModuleRtpRtcpImpl::SetRTXReceiveStatus(
     const bool enable,
-    const WebRtc_UWord32 ssrc) {
+    const uint32_t ssrc) {
   rtp_receiver_->SetRTXStatus(enable, ssrc);
   return 0;
 }
 
-WebRtc_Word32 ModuleRtpRtcpImpl::RTXReceiveStatus(bool* enable,
-                                                  WebRtc_UWord32* ssrc) const {
+int32_t ModuleRtpRtcpImpl::RTXReceiveStatus(bool* enable,
+                                            uint32_t* ssrc) const {
   rtp_receiver_->RTXStatus(enable, ssrc);
   return 0;
 }
 
 // Called by the network module when we receive a packet.
-WebRtc_Word32 ModuleRtpRtcpImpl::IncomingPacket(
-    const WebRtc_UWord8* incoming_packet,
-    const WebRtc_UWord16 incoming_packet_length) {
+int32_t ModuleRtpRtcpImpl::IncomingPacket(
+    const uint8_t* incoming_packet,
+    const uint16_t incoming_packet_length) {
   WEBRTC_TRACE(kTraceStream,
                kTraceRtpRtcp,
                id_,
@@ -579,7 +577,7 @@
     return -1;
   }
   // Check RTP version.
-  const WebRtc_UWord8 version = incoming_packet[0] >> 6;
+  const uint8_t version = incoming_packet[0] >> 6;
   if (version != 2) {
     WEBRTC_TRACE(kTraceDebug,
                  kTraceRtpRtcp,
@@ -606,7 +604,7 @@
       return -1;
     }
     RTCPHelp::RTCPPacketInformation rtcp_packet_information;
-    WebRtc_Word32 ret_val = rtcp_receiver_.IncomingRTCPPacket(
+    int32_t ret_val = rtcp_receiver_.IncomingRTCPPacket(
         rtcp_packet_information, &rtcp_parser);
     if (ret_val == 0) {
       rtcp_receiver_.TriggerCallbacksFromRTCPPacket(rtcp_packet_information);
@@ -634,7 +632,7 @@
   }
 }
 
-WebRtc_Word32 ModuleRtpRtcpImpl::RegisterSendPayload(
+int32_t ModuleRtpRtcpImpl::RegisterSendPayload(
     const CodecInst& voice_codec) {
   WEBRTC_TRACE(kTraceModuleCall,
                kTraceRtpRtcp,
@@ -652,7 +650,7 @@
            (voice_codec.rate < 0) ? 0 : voice_codec.rate);
 }
 
-WebRtc_Word32 ModuleRtpRtcpImpl::RegisterSendPayload(
+int32_t ModuleRtpRtcpImpl::RegisterSendPayload(
     const VideoCodec& video_codec) {
   WEBRTC_TRACE(kTraceModuleCall,
                kTraceRtpRtcp,
@@ -670,8 +668,8 @@
                                      video_codec.maxBitrate);
 }
 
-WebRtc_Word32 ModuleRtpRtcpImpl::DeRegisterSendPayload(
-    const WebRtc_Word8 payload_type) {
+int32_t ModuleRtpRtcpImpl::DeRegisterSendPayload(
+    const int8_t payload_type) {
   WEBRTC_TRACE(kTraceModuleCall,
                kTraceRtpRtcp,
                id_,
@@ -680,19 +678,19 @@
   return rtp_sender_.DeRegisterSendPayload(payload_type);
 }
 
-WebRtc_Word8 ModuleRtpRtcpImpl::SendPayloadType() const {
+int8_t ModuleRtpRtcpImpl::SendPayloadType() const {
   return rtp_sender_.SendPayloadType();
 }
 
-WebRtc_UWord32 ModuleRtpRtcpImpl::StartTimestamp() const {
+uint32_t ModuleRtpRtcpImpl::StartTimestamp() const {
   WEBRTC_TRACE(kTraceModuleCall, kTraceRtpRtcp, id_, "StartTimestamp()");
 
   return rtp_sender_.StartTimestamp();
 }
 
 // Configure start timestamp, default is a random number.
-WebRtc_Word32 ModuleRtpRtcpImpl::SetStartTimestamp(
-    const WebRtc_UWord32 timestamp) {
+int32_t ModuleRtpRtcpImpl::SetStartTimestamp(
+    const uint32_t timestamp) {
   WEBRTC_TRACE(kTraceModuleCall,
                kTraceRtpRtcp,
                id_,
@@ -703,15 +701,15 @@
   return 0;  // TODO(pwestin): change to void.
 }
 
-WebRtc_UWord16 ModuleRtpRtcpImpl::SequenceNumber() const {
+uint16_t ModuleRtpRtcpImpl::SequenceNumber() const {
   WEBRTC_TRACE(kTraceModuleCall, kTraceRtpRtcp, id_, "SequenceNumber()");
 
   return rtp_sender_.SequenceNumber();
 }
 
 // Set SequenceNumber, default is a random number.
-WebRtc_Word32 ModuleRtpRtcpImpl::SetSequenceNumber(
-    const WebRtc_UWord16 seq_num) {
+int32_t ModuleRtpRtcpImpl::SetSequenceNumber(
+    const uint16_t seq_num) {
   WEBRTC_TRACE(kTraceModuleCall,
                kTraceRtpRtcp,
                id_,
@@ -722,14 +720,14 @@
   return 0;  // TODO(pwestin): change to void.
 }
 
-WebRtc_UWord32 ModuleRtpRtcpImpl::SSRC() const {
+uint32_t ModuleRtpRtcpImpl::SSRC() const {
   WEBRTC_TRACE(kTraceModuleCall, kTraceRtpRtcp, id_, "SSRC()");
 
   return rtp_sender_.SSRC();
 }
 
 // Configure SSRC, default is a random number.
-WebRtc_Word32 ModuleRtpRtcpImpl::SetSSRC(const WebRtc_UWord32 ssrc) {
+int32_t ModuleRtpRtcpImpl::SetSSRC(const uint32_t ssrc) {
   WEBRTC_TRACE(kTraceModuleCall, kTraceRtpRtcp, id_, "SetSSRC(%d)", ssrc);
 
   rtp_sender_.SetSSRC(ssrc);
@@ -738,22 +736,22 @@
   return 0;  // TODO(pwestin): change to void.
 }
 
-WebRtc_Word32 ModuleRtpRtcpImpl::SetCSRCStatus(const bool include) {
+int32_t ModuleRtpRtcpImpl::SetCSRCStatus(const bool include) {
   rtcp_sender_.SetCSRCStatus(include);
   rtp_sender_.SetCSRCStatus(include);
   return 0;  // TODO(pwestin): change to void.
 }
 
-WebRtc_Word32 ModuleRtpRtcpImpl::CSRCs(
-  WebRtc_UWord32 arr_of_csrc[kRtpCsrcSize]) const {
+int32_t ModuleRtpRtcpImpl::CSRCs(
+  uint32_t arr_of_csrc[kRtpCsrcSize]) const {
   WEBRTC_TRACE(kTraceModuleCall, kTraceRtpRtcp, id_, "CSRCs()");
 
   return rtp_sender_.CSRCs(arr_of_csrc);
 }
 
-WebRtc_Word32 ModuleRtpRtcpImpl::SetCSRCs(
-    const WebRtc_UWord32 arr_of_csrc[kRtpCsrcSize],
-    const WebRtc_UWord8 arr_length) {
+int32_t ModuleRtpRtcpImpl::SetCSRCs(
+    const uint32_t arr_of_csrc[kRtpCsrcSize],
+    const uint8_t arr_length) {
   WEBRTC_TRACE(kTraceModuleCall,
                kTraceRtpRtcp,
                id_,
@@ -785,13 +783,13 @@
   return 0;  // TODO(pwestin): change to void.
 }
 
-WebRtc_UWord32 ModuleRtpRtcpImpl::PacketCountSent() const {
+uint32_t ModuleRtpRtcpImpl::PacketCountSent() const {
   WEBRTC_TRACE(kTraceModuleCall, kTraceRtpRtcp, id_, "PacketCountSent()");
 
   return rtp_sender_.Packets();
 }
 
-WebRtc_UWord32 ModuleRtpRtcpImpl::ByteCountSent() const {
+uint32_t ModuleRtpRtcpImpl::ByteCountSent() const {
   WEBRTC_TRACE(kTraceModuleCall, kTraceRtpRtcp, id_, "ByteCountSent()");
 
   return rtp_sender_.Bytes();
@@ -804,7 +802,7 @@
   return rtp_sender_.SendPayloadFrequency();
 }
 
-WebRtc_Word32 ModuleRtpRtcpImpl::SetSendingStatus(const bool sending) {
+int32_t ModuleRtpRtcpImpl::SetSendingStatus(const bool sending) {
   if (sending) {
     WEBRTC_TRACE(kTraceModuleCall, kTraceRtpRtcp, id_,
                  "SetSendingStatus(sending)");
@@ -831,7 +829,7 @@
 
     // Make sure that RTCP objects are aware of our SSRC (it could have changed
     // Due to collision)
-    WebRtc_UWord32 SSRC = rtp_sender_.SSRC();
+    uint32_t SSRC = rtp_sender_.SSRC();
     rtcp_receiver_.SetSSRC(SSRC);
     rtcp_sender_.SetSSRC(SSRC);
     return 0;
@@ -845,7 +843,7 @@
   return rtcp_sender_.Sending();
 }
 
-WebRtc_Word32 ModuleRtpRtcpImpl::SetSendingMediaStatus(const bool sending) {
+int32_t ModuleRtpRtcpImpl::SetSendingMediaStatus(const bool sending) {
   if (sending) {
     WEBRTC_TRACE(kTraceModuleCall, kTraceRtpRtcp, id_,
                  "SetSendingMediaStatus(sending)");
@@ -877,13 +875,13 @@
   return false;
 }
 
-WebRtc_Word32 ModuleRtpRtcpImpl::SendOutgoingData(
+int32_t ModuleRtpRtcpImpl::SendOutgoingData(
     FrameType frame_type,
-    WebRtc_Word8 payload_type,
-    WebRtc_UWord32 time_stamp,
+    int8_t payload_type,
+    uint32_t time_stamp,
     int64_t capture_time_ms,
-    const WebRtc_UWord8* payload_data,
-    WebRtc_UWord32 payload_size,
+    const uint8_t* payload_data,
+    uint32_t payload_size,
     const RTPFragmentationHeader* fragmentation,
     const RTPVideoHeader* rtp_video_hdr) {
   WEBRTC_TRACE(
@@ -911,7 +909,7 @@
                                         NULL,
                                         &(rtp_video_hdr->codecHeader));
   }
-  WebRtc_Word32 ret_val = -1;
+  int32_t ret_val = -1;
   if (simulcast_) {
     if (rtp_video_hdr == NULL) {
       return -1;
@@ -1025,20 +1023,20 @@
   }
 }
 
-WebRtc_UWord16 ModuleRtpRtcpImpl::MaxPayloadLength() const {
+uint16_t ModuleRtpRtcpImpl::MaxPayloadLength() const {
   WEBRTC_TRACE(kTraceModuleCall, kTraceRtpRtcp, id_, "MaxPayloadLength()");
 
   return rtp_sender_.MaxPayloadLength();
 }
 
-WebRtc_UWord16 ModuleRtpRtcpImpl::MaxDataPayloadLength() const {
+uint16_t ModuleRtpRtcpImpl::MaxDataPayloadLength() const {
   WEBRTC_TRACE(kTraceModuleCall,
                kTraceRtpRtcp,
                id_,
                "MaxDataPayloadLength()");
 
   // Assuming IP/UDP.
-  WebRtc_UWord16 min_data_payload_length = IP_PACKET_SIZE - 28;
+  uint16_t min_data_payload_length = IP_PACKET_SIZE - 28;
 
   const bool default_instance(child_modules_.empty() ? false : true);
   if (default_instance) {
@@ -1049,7 +1047,7 @@
     while (it != child_modules_.end()) {
       RtpRtcp* module = *it;
       if (module) {
-        WebRtc_UWord16 data_payload_length =
+        uint16_t data_payload_length =
           module->MaxDataPayloadLength();
         if (data_payload_length < min_data_payload_length) {
           min_data_payload_length = data_payload_length;
@@ -1059,17 +1057,17 @@
     }
   }
 
-  WebRtc_UWord16 data_payload_length = rtp_sender_.MaxDataPayloadLength();
+  uint16_t data_payload_length = rtp_sender_.MaxDataPayloadLength();
   if (data_payload_length < min_data_payload_length) {
     min_data_payload_length = data_payload_length;
   }
   return min_data_payload_length;
 }
 
-WebRtc_Word32 ModuleRtpRtcpImpl::SetTransportOverhead(
+int32_t ModuleRtpRtcpImpl::SetTransportOverhead(
     const bool tcp,
     const bool ipv6,
-    const WebRtc_UWord8 authentication_overhead) {
+    const uint8_t authentication_overhead) {
   WEBRTC_TRACE(
     kTraceModuleCall,
     kTraceRtpRtcp,
@@ -1077,7 +1075,7 @@
     "SetTransportOverhead(TCP:%d, IPV6:%d authentication_overhead:%u)",
     tcp, ipv6, authentication_overhead);
 
-  WebRtc_UWord16 packet_overhead = 0;
+  uint16_t packet_overhead = 0;
   if (ipv6) {
     packet_overhead = 40;
   } else {
@@ -1097,17 +1095,17 @@
     return 0;
   }
   // Calc diff.
-  WebRtc_Word16 packet_over_head_diff = packet_overhead - packet_overhead_;
+  int16_t packet_over_head_diff = packet_overhead - packet_overhead_;
 
   // Store new.
   packet_overhead_ = packet_overhead;
 
-  WebRtc_UWord16 length =
+  uint16_t length =
       rtp_sender_.MaxPayloadLength() - packet_over_head_diff;
   return rtp_sender_.SetMaxPayloadLength(length, packet_overhead_);
 }
 
-WebRtc_Word32 ModuleRtpRtcpImpl::SetMaxTransferUnit(const WebRtc_UWord16 mtu) {
+int32_t ModuleRtpRtcpImpl::SetMaxTransferUnit(const uint16_t mtu) {
   WEBRTC_TRACE(kTraceModuleCall, kTraceRtpRtcp, id_, "SetMaxTransferUnit(%u)",
                mtu);
 
@@ -1130,7 +1128,7 @@
 }
 
 // Configure RTCP status i.e on/off.
-WebRtc_Word32 ModuleRtpRtcpImpl::SetRTCPStatus(const RTCPMethod method) {
+int32_t ModuleRtpRtcpImpl::SetRTCPStatus(const RTCPMethod method) {
   WEBRTC_TRACE(kTraceModuleCall, kTraceRtpRtcp, id_, "SetRTCPStatus(%d)",
                method);
 
@@ -1141,23 +1139,23 @@
 }
 
 // Only for internal test.
-WebRtc_UWord32 ModuleRtpRtcpImpl::LastSendReport(
-    WebRtc_UWord32& last_rtcptime) {
+uint32_t ModuleRtpRtcpImpl::LastSendReport(
+    uint32_t& last_rtcptime) {
   return rtcp_sender_.LastSendReport(last_rtcptime);
 }
 
-WebRtc_Word32 ModuleRtpRtcpImpl::SetCNAME(const char c_name[RTCP_CNAME_SIZE]) {
+int32_t ModuleRtpRtcpImpl::SetCNAME(const char c_name[RTCP_CNAME_SIZE]) {
   WEBRTC_TRACE(kTraceModuleCall, kTraceRtpRtcp, id_, "SetCNAME(%s)", c_name);
   return rtcp_sender_.SetCNAME(c_name);
 }
 
-WebRtc_Word32 ModuleRtpRtcpImpl::CNAME(char c_name[RTCP_CNAME_SIZE]) {
+int32_t ModuleRtpRtcpImpl::CNAME(char c_name[RTCP_CNAME_SIZE]) {
   WEBRTC_TRACE(kTraceModuleCall, kTraceRtpRtcp, id_, "CNAME()");
   return rtcp_sender_.CNAME(c_name);
 }
 
-WebRtc_Word32 ModuleRtpRtcpImpl::AddMixedCNAME(
-  const WebRtc_UWord32 ssrc,
+int32_t ModuleRtpRtcpImpl::AddMixedCNAME(
+  const uint32_t ssrc,
   const char c_name[RTCP_CNAME_SIZE]) {
   WEBRTC_TRACE(kTraceModuleCall, kTraceRtpRtcp, id_,
                "AddMixedCNAME(SSRC:%u)", ssrc);
@@ -1165,14 +1163,14 @@
   return rtcp_sender_.AddMixedCNAME(ssrc, c_name);
 }
 
-WebRtc_Word32 ModuleRtpRtcpImpl::RemoveMixedCNAME(const WebRtc_UWord32 ssrc) {
+int32_t ModuleRtpRtcpImpl::RemoveMixedCNAME(const uint32_t ssrc) {
   WEBRTC_TRACE(kTraceModuleCall, kTraceRtpRtcp, id_,
                "RemoveMixedCNAME(SSRC:%u)", ssrc);
   return rtcp_sender_.RemoveMixedCNAME(ssrc);
 }
 
-WebRtc_Word32 ModuleRtpRtcpImpl::RemoteCNAME(
-    const WebRtc_UWord32 remote_ssrc,
+int32_t ModuleRtpRtcpImpl::RemoteCNAME(
+    const uint32_t remote_ssrc,
     char c_name[RTCP_CNAME_SIZE]) const {
   WEBRTC_TRACE(kTraceModuleCall, kTraceRtpRtcp, id_,
                "RemoteCNAME(SSRC:%u)", remote_ssrc);
@@ -1180,18 +1178,18 @@
   return rtcp_receiver_.CNAME(remote_ssrc, c_name);
 }
 
-WebRtc_UWord16 ModuleRtpRtcpImpl::RemoteSequenceNumber() const {
+uint16_t ModuleRtpRtcpImpl::RemoteSequenceNumber() const {
   WEBRTC_TRACE(kTraceModuleCall, kTraceRtpRtcp, id_, "RemoteSequenceNumber()");
 
   return rtp_receiver_->SequenceNumber();
 }
 
-WebRtc_Word32 ModuleRtpRtcpImpl::RemoteNTP(
-    WebRtc_UWord32* received_ntpsecs,
-    WebRtc_UWord32* received_ntpfrac,
-    WebRtc_UWord32* rtcp_arrival_time_secs,
-    WebRtc_UWord32* rtcp_arrival_time_frac,
-    WebRtc_UWord32* rtcp_timestamp) const {
+int32_t ModuleRtpRtcpImpl::RemoteNTP(
+    uint32_t* received_ntpsecs,
+    uint32_t* received_ntpfrac,
+    uint32_t* rtcp_arrival_time_secs,
+    uint32_t* rtcp_arrival_time_frac,
+    uint32_t* rtcp_timestamp) const {
   WEBRTC_TRACE(kTraceModuleCall, kTraceRtpRtcp, id_, "RemoteNTP()");
 
   return rtcp_receiver_.NTP(received_ntpsecs,
@@ -1202,18 +1200,18 @@
 }
 
 // Get RoundTripTime.
-WebRtc_Word32 ModuleRtpRtcpImpl::RTT(const WebRtc_UWord32 remote_ssrc,
-                                     WebRtc_UWord16* rtt,
-                                     WebRtc_UWord16* avg_rtt,
-                                     WebRtc_UWord16* min_rtt,
-                                     WebRtc_UWord16* max_rtt) const {
+int32_t ModuleRtpRtcpImpl::RTT(const uint32_t remote_ssrc,
+                               uint16_t* rtt,
+                               uint16_t* avg_rtt,
+                               uint16_t* min_rtt,
+                               uint16_t* max_rtt) const {
   WEBRTC_TRACE(kTraceModuleCall, kTraceRtpRtcp, id_, "RTT()");
 
   return rtcp_receiver_.RTT(remote_ssrc, rtt, avg_rtt, min_rtt, max_rtt);
 }
 
 // Reset RoundTripTime statistics.
-WebRtc_Word32 ModuleRtpRtcpImpl::ResetRTT(const WebRtc_UWord32 remote_ssrc) {
+int32_t ModuleRtpRtcpImpl::ResetRTT(const uint32_t remote_ssrc) {
   WEBRTC_TRACE(kTraceModuleCall, kTraceRtpRtcp, id_, "ResetRTT(SSRC:%u)",
                remote_ssrc);
 
@@ -1222,18 +1220,18 @@
 
 void ModuleRtpRtcpImpl:: SetRtt(uint32_t rtt) {
   WEBRTC_TRACE(kTraceModuleCall, kTraceRtpRtcp, id_, "SetRtt(rtt: %u)", rtt);
-  rtcp_receiver_.SetRTT(static_cast<WebRtc_UWord16>(rtt));
+  rtcp_receiver_.SetRTT(static_cast<uint16_t>(rtt));
 }
 
 // Reset RTP statistics.
-WebRtc_Word32 ModuleRtpRtcpImpl::ResetStatisticsRTP() {
+int32_t ModuleRtpRtcpImpl::ResetStatisticsRTP() {
   WEBRTC_TRACE(kTraceModuleCall, kTraceRtpRtcp, id_, "ResetStatisticsRTP()");
 
   return rtp_receiver_->ResetStatistics();
 }
 
 // Reset RTP data counters for the receiving side.
-WebRtc_Word32 ModuleRtpRtcpImpl::ResetReceiveDataCountersRTP() {
+int32_t ModuleRtpRtcpImpl::ResetReceiveDataCountersRTP() {
   WEBRTC_TRACE(kTraceModuleCall, kTraceRtpRtcp, id_,
                "ResetReceiveDataCountersRTP()");
 
@@ -1241,7 +1239,7 @@
 }
 
 // Reset RTP data counters for the sending side.
-WebRtc_Word32 ModuleRtpRtcpImpl::ResetSendDataCountersRTP() {
+int32_t ModuleRtpRtcpImpl::ResetSendDataCountersRTP() {
   WEBRTC_TRACE(kTraceModuleCall, kTraceRtpRtcp, id_,
                "ResetSendDataCountersRTP()");
 
@@ -1251,18 +1249,18 @@
 
 // Force a send of an RTCP packet.
 // Normal SR and RR are triggered via the process function.
-WebRtc_Word32 ModuleRtpRtcpImpl::SendRTCP(WebRtc_UWord32 rtcp_packet_type) {
+int32_t ModuleRtpRtcpImpl::SendRTCP(uint32_t rtcp_packet_type) {
   WEBRTC_TRACE(kTraceModuleCall, kTraceRtpRtcp, id_, "SendRTCP(0x%x)",
                rtcp_packet_type);
 
   return  rtcp_sender_.SendRTCP(rtcp_packet_type);
 }
 
-WebRtc_Word32 ModuleRtpRtcpImpl::SetRTCPApplicationSpecificData(
-    const WebRtc_UWord8 sub_type,
-    const WebRtc_UWord32 name,
-    const WebRtc_UWord8* data,
-    const WebRtc_UWord16 length) {
+int32_t ModuleRtpRtcpImpl::SetRTCPApplicationSpecificData(
+    const uint8_t sub_type,
+    const uint32_t name,
+    const uint8_t* data,
+    const uint16_t length) {
   WEBRTC_TRACE(kTraceModuleCall, kTraceRtpRtcp, id_,
                "SetRTCPApplicationSpecificData(sub_type:%d name:0x%x)",
                sub_type, name);
@@ -1271,7 +1269,7 @@
 }
 
 // (XR) VOIP metric.
-WebRtc_Word32 ModuleRtpRtcpImpl::SetRTCPVoIPMetrics(
+int32_t ModuleRtpRtcpImpl::SetRTCPVoIPMetrics(
   const RTCPVoIPMetric* voip_metric) {
   WEBRTC_TRACE(kTraceModuleCall, kTraceRtpRtcp, id_, "SetRTCPVoIPMetrics()");
 
@@ -1279,17 +1277,17 @@
 }
 
 // Our locally created statistics of the received RTP stream.
-WebRtc_Word32 ModuleRtpRtcpImpl::StatisticsRTP(
-    WebRtc_UWord8*  fraction_lost,
-    WebRtc_UWord32* cum_lost,
-    WebRtc_UWord32* ext_max,
-    WebRtc_UWord32* jitter,
-    WebRtc_UWord32* max_jitter) const {
+int32_t ModuleRtpRtcpImpl::StatisticsRTP(
+    uint8_t*  fraction_lost,
+    uint32_t* cum_lost,
+    uint32_t* ext_max,
+    uint32_t* jitter,
+    uint32_t* max_jitter) const {
   WEBRTC_TRACE(kTraceModuleCall, kTraceRtpRtcp, id_, "StatisticsRTP()");
 
-  WebRtc_UWord32 jitter_transmission_time_offset = 0;
+  uint32_t jitter_transmission_time_offset = 0;
 
-  WebRtc_Word32 ret_val = rtp_receiver_->Statistics(
+  int32_t ret_val = rtp_receiver_->Statistics(
       fraction_lost, cum_lost, ext_max, jitter, max_jitter,
       &jitter_transmission_time_offset, (rtcp_sender_.Status() == kRtcpOff));
   if (ret_val == -1) {
@@ -1299,11 +1297,11 @@
   return ret_val;
 }
 
-WebRtc_Word32 ModuleRtpRtcpImpl::DataCountersRTP(
-    WebRtc_UWord32* bytes_sent,
-    WebRtc_UWord32* packets_sent,
-    WebRtc_UWord32* bytes_received,
-    WebRtc_UWord32* packets_received) const {
+int32_t ModuleRtpRtcpImpl::DataCountersRTP(
+    uint32_t* bytes_sent,
+    uint32_t* packets_sent,
+    uint32_t* bytes_received,
+    uint32_t* packets_received) const {
   WEBRTC_TRACE(kTraceStream, kTraceRtpRtcp, id_, "DataCountersRTP()");
 
   if (bytes_sent) {
@@ -1315,21 +1313,21 @@
   return rtp_receiver_->DataCounters(bytes_received, packets_received);
 }
 
-WebRtc_Word32 ModuleRtpRtcpImpl::ReportBlockStatistics(
-    WebRtc_UWord8* fraction_lost,
-    WebRtc_UWord32* cum_lost,
-    WebRtc_UWord32* ext_max,
-    WebRtc_UWord32* jitter,
-    WebRtc_UWord32* jitter_transmission_time_offset) {
+int32_t ModuleRtpRtcpImpl::ReportBlockStatistics(
+    uint8_t* fraction_lost,
+    uint32_t* cum_lost,
+    uint32_t* ext_max,
+    uint32_t* jitter,
+    uint32_t* jitter_transmission_time_offset) {
   WEBRTC_TRACE(kTraceModuleCall, kTraceRtpRtcp, id_, "ReportBlockStatistics()");
-  WebRtc_Word32 missing = 0;
-  WebRtc_Word32 ret = rtp_receiver_->Statistics(fraction_lost,
-                                                cum_lost,
-                                                ext_max,
-                                                jitter,
-                                                NULL,
-                                                jitter_transmission_time_offset,
-                                                &missing,
+  int32_t missing = 0;
+  int32_t ret = rtp_receiver_->Statistics(fraction_lost,
+                                          cum_lost,
+                                          ext_max,
+                                          jitter,
+                                          NULL,
+                                          jitter_transmission_time_offset,
+                                          &missing,
                                                 true);
 
 #ifdef MATLAB
@@ -1344,30 +1342,30 @@
   return ret;
 }
 
-WebRtc_Word32 ModuleRtpRtcpImpl::RemoteRTCPStat(RTCPSenderInfo* sender_info) {
+int32_t ModuleRtpRtcpImpl::RemoteRTCPStat(RTCPSenderInfo* sender_info) {
   WEBRTC_TRACE(kTraceModuleCall, kTraceRtpRtcp, id_, "RemoteRTCPStat()");
 
   return rtcp_receiver_.SenderInfoReceived(sender_info);
 }
 
 // Received RTCP report.
-WebRtc_Word32 ModuleRtpRtcpImpl::RemoteRTCPStat(
+int32_t ModuleRtpRtcpImpl::RemoteRTCPStat(
     std::vector<RTCPReportBlock>* receive_blocks) const {
   WEBRTC_TRACE(kTraceModuleCall, kTraceRtpRtcp, id_, "RemoteRTCPStat()");
 
   return rtcp_receiver_.StatisticsReceived(receive_blocks);
 }
 
-WebRtc_Word32 ModuleRtpRtcpImpl::AddRTCPReportBlock(
-    const WebRtc_UWord32 ssrc,
+int32_t ModuleRtpRtcpImpl::AddRTCPReportBlock(
+    const uint32_t ssrc,
     const RTCPReportBlock* report_block) {
   WEBRTC_TRACE(kTraceModuleCall, kTraceRtpRtcp, id_, "AddRTCPReportBlock()");
 
   return rtcp_sender_.AddReportBlock(ssrc, report_block);
 }
 
-WebRtc_Word32 ModuleRtpRtcpImpl::RemoveRTCPReportBlock(
-  const WebRtc_UWord32 ssrc) {
+int32_t ModuleRtpRtcpImpl::RemoveRTCPReportBlock(
+  const uint32_t ssrc) {
   WEBRTC_TRACE(kTraceModuleCall, kTraceRtpRtcp, id_, "RemoveRTCPReportBlock()");
 
   return rtcp_sender_.RemoveReportBlock(ssrc);
@@ -1380,7 +1378,7 @@
   return rtcp_sender_.REMB();
 }
 
-WebRtc_Word32 ModuleRtpRtcpImpl::SetREMBStatus(const bool enable) {
+int32_t ModuleRtpRtcpImpl::SetREMBStatus(const bool enable) {
   if (enable) {
     WEBRTC_TRACE(kTraceModuleCall,
                  kTraceRtpRtcp,
@@ -1395,9 +1393,9 @@
   return rtcp_sender_.SetREMBStatus(enable);
 }
 
-WebRtc_Word32 ModuleRtpRtcpImpl::SetREMBData(const WebRtc_UWord32 bitrate,
-                                             const WebRtc_UWord8 number_of_ssrc,
-                                             const WebRtc_UWord32* ssrc) {
+int32_t ModuleRtpRtcpImpl::SetREMBData(const uint32_t bitrate,
+                                       const uint8_t number_of_ssrc,
+                                       const uint32_t* ssrc) {
   WEBRTC_TRACE(kTraceModuleCall, kTraceRtpRtcp, id_,
                "SetREMBData(bitrate:%d,?,?)", bitrate);
   return rtcp_sender_.SetREMBData(bitrate, number_of_ssrc, ssrc);
@@ -1410,7 +1408,7 @@
   return rtcp_sender_.IJ();
 }
 
-WebRtc_Word32 ModuleRtpRtcpImpl::SetIJStatus(const bool enable) {
+int32_t ModuleRtpRtcpImpl::SetIJStatus(const bool enable) {
   WEBRTC_TRACE(kTraceModuleCall,
                kTraceRtpRtcp,
                id_,
@@ -1419,24 +1417,24 @@
   return rtcp_sender_.SetIJStatus(enable);
 }
 
-WebRtc_Word32 ModuleRtpRtcpImpl::RegisterSendRtpHeaderExtension(
+int32_t ModuleRtpRtcpImpl::RegisterSendRtpHeaderExtension(
     const RTPExtensionType type,
-    const WebRtc_UWord8 id) {
+    const uint8_t id) {
   return rtp_sender_.RegisterRtpHeaderExtension(type, id);
 }
 
-WebRtc_Word32 ModuleRtpRtcpImpl::DeregisterSendRtpHeaderExtension(
+int32_t ModuleRtpRtcpImpl::DeregisterSendRtpHeaderExtension(
     const RTPExtensionType type) {
   return rtp_sender_.DeregisterRtpHeaderExtension(type);
 }
 
-WebRtc_Word32 ModuleRtpRtcpImpl::RegisterReceiveRtpHeaderExtension(
+int32_t ModuleRtpRtcpImpl::RegisterReceiveRtpHeaderExtension(
     const RTPExtensionType type,
-    const WebRtc_UWord8 id) {
+    const uint8_t id) {
   return rtp_receiver_->RegisterRtpHeaderExtension(type, id);
 }
 
-WebRtc_Word32 ModuleRtpRtcpImpl::DeregisterReceiveRtpHeaderExtension(
+int32_t ModuleRtpRtcpImpl::DeregisterReceiveRtpHeaderExtension(
   const RTPExtensionType type) {
   return rtp_receiver_->DeregisterRtpHeaderExtension(type);
 }
@@ -1448,7 +1446,7 @@
   return rtcp_sender_.TMMBR();
 }
 
-WebRtc_Word32 ModuleRtpRtcpImpl::SetTMMBRStatus(const bool enable) {
+int32_t ModuleRtpRtcpImpl::SetTMMBRStatus(const bool enable) {
   if (enable) {
     WEBRTC_TRACE(kTraceModuleCall, kTraceRtpRtcp, id_,
                  "SetTMMBRStatus(enable)");
@@ -1459,10 +1457,10 @@
   return rtcp_sender_.SetTMMBRStatus(enable);
 }
 
-WebRtc_Word32 ModuleRtpRtcpImpl::SetTMMBN(const TMMBRSet* bounding_set) {
+int32_t ModuleRtpRtcpImpl::SetTMMBN(const TMMBRSet* bounding_set) {
   WEBRTC_TRACE(kTraceModuleCall, kTraceRtpRtcp, id_, "SetTMMBN()");
 
-  WebRtc_UWord32 max_bitrate_kbit =
+  uint32_t max_bitrate_kbit =
       rtp_sender_.MaxConfiguredBitrateVideo() / 1000;
   return rtcp_sender_.SetTMMBN(bounding_set, max_bitrate_kbit);
 }
@@ -1501,7 +1499,7 @@
 }
 
 // Turn negative acknowledgment requests on/off.
-WebRtc_Word32 ModuleRtpRtcpImpl::SetNACKStatus(
+int32_t ModuleRtpRtcpImpl::SetNACKStatus(
     NACKMethod method, int max_reordering_threshold) {
   WEBRTC_TRACE(kTraceModuleCall,
                kTraceRtpRtcp,
@@ -1534,24 +1532,24 @@
 }
 
 // Send a Negative acknowledgment packet.
-WebRtc_Word32 ModuleRtpRtcpImpl::SendNACK(const WebRtc_UWord16* nack_list,
-                                          const WebRtc_UWord16 size) {
+int32_t ModuleRtpRtcpImpl::SendNACK(const uint16_t* nack_list,
+                                    const uint16_t size) {
   WEBRTC_TRACE(kTraceModuleCall,
                kTraceRtpRtcp,
                id_,
                "SendNACK(size:%u)", size);
 
-  WebRtc_UWord16 avg_rtt = 0;
+  uint16_t avg_rtt = 0;
   rtcp_receiver_.RTT(rtp_receiver_->SSRC(), NULL, &avg_rtt, NULL, NULL);
 
-  WebRtc_Word64 wait_time = 5 + ((avg_rtt * 3) >> 1);  // 5 + RTT * 1.5.
+  int64_t wait_time = 5 + ((avg_rtt * 3) >> 1);  // 5 + RTT * 1.5.
   if (wait_time == 5) {
     wait_time = 100;  // During startup we don't have an RTT.
   }
-  const WebRtc_Word64 now = clock_->TimeInMilliseconds();
-  const WebRtc_Word64 time_limit = now - wait_time;
-  WebRtc_UWord16 nackLength = size;
-  WebRtc_UWord16 start_id = 0;
+  const int64_t now = clock_->TimeInMilliseconds();
+  const int64_t time_limit = now - wait_time;
+  uint16_t nackLength = size;
+  uint16_t start_id = 0;
 
   if (nack_last_time_sent_full_ < time_limit) {
     // Send list. Set the timer to make sure we only send a full NACK list once
@@ -1592,9 +1590,9 @@
 
 // Store the sent packets, needed to answer to a Negative acknowledgment
 // requests.
-WebRtc_Word32 ModuleRtpRtcpImpl::SetStorePacketsStatus(
+int32_t ModuleRtpRtcpImpl::SetStorePacketsStatus(
     const bool enable,
-    const WebRtc_UWord16 number_to_store) {
+    const uint16_t number_to_store) {
   if (enable) {
     WEBRTC_TRACE(kTraceModuleCall, kTraceRtpRtcp, id_,
                  "SetStorePacketsStatus(enable, number_to_store:%d)",
@@ -1631,10 +1629,10 @@
 }
 
 // Send a TelephoneEvent tone using RFC 2833 (4733).
-WebRtc_Word32 ModuleRtpRtcpImpl::SendTelephoneEventOutband(
-    const WebRtc_UWord8 key,
-    const WebRtc_UWord16 time_ms,
-    const WebRtc_UWord8 level) {
+int32_t ModuleRtpRtcpImpl::SendTelephoneEventOutband(
+    const uint8_t key,
+    const uint16_t time_ms,
+    const uint8_t level) {
   WEBRTC_TRACE(kTraceModuleCall, kTraceRtpRtcp, id_,
                "SendTelephoneEventOutband(key:%u, time_ms:%u, level:%u)", key,
                time_ms, level);
@@ -1643,7 +1641,7 @@
 }
 
 bool ModuleRtpRtcpImpl::SendTelephoneEventActive(
-    WebRtc_Word8& telephone_event) const {
+    int8_t& telephone_event) const {
 
   WEBRTC_TRACE(kTraceModuleCall,
                kTraceRtpRtcp,
@@ -1655,8 +1653,8 @@
 
 // Set audio packet size, used to determine when it's time to send a DTMF
 // packet in silence (CNG).
-WebRtc_Word32 ModuleRtpRtcpImpl::SetAudioPacketSize(
-    const WebRtc_UWord16 packet_size_samples) {
+int32_t ModuleRtpRtcpImpl::SetAudioPacketSize(
+    const uint16_t packet_size_samples) {
 
   WEBRTC_TRACE(kTraceModuleCall,
                kTraceRtpRtcp,
@@ -1667,9 +1665,9 @@
   return rtp_sender_.SetAudioPacketSize(packet_size_samples);
 }
 
-WebRtc_Word32 ModuleRtpRtcpImpl::SetRTPAudioLevelIndicationStatus(
+int32_t ModuleRtpRtcpImpl::SetRTPAudioLevelIndicationStatus(
     const bool enable,
-    const WebRtc_UWord8 id) {
+    const uint8_t id) {
 
   WEBRTC_TRACE(kTraceModuleCall,
                kTraceRtpRtcp,
@@ -1686,9 +1684,9 @@
   return rtp_sender_.SetAudioLevelIndicationStatus(enable, id);
 }
 
-WebRtc_Word32 ModuleRtpRtcpImpl::GetRTPAudioLevelIndicationStatus(
+int32_t ModuleRtpRtcpImpl::GetRTPAudioLevelIndicationStatus(
     bool& enable,
-    WebRtc_UWord8& id) const {
+    uint8_t& id) const {
 
   WEBRTC_TRACE(kTraceModuleCall,
                kTraceRtpRtcp,
@@ -1697,8 +1695,8 @@
   return rtp_sender_.AudioLevelIndicationStatus(&enable, &id);
 }
 
-WebRtc_Word32 ModuleRtpRtcpImpl::SetAudioLevel(
-    const WebRtc_UWord8 level_d_bov) {
+int32_t ModuleRtpRtcpImpl::SetAudioLevel(
+    const uint8_t level_d_bov) {
   WEBRTC_TRACE(kTraceModuleCall,
                kTraceRtpRtcp,
                id_,
@@ -1708,8 +1706,8 @@
 }
 
 // Set payload type for Redundant Audio Data RFC 2198.
-WebRtc_Word32 ModuleRtpRtcpImpl::SetSendREDPayloadType(
-    const WebRtc_Word8 payload_type) {
+int32_t ModuleRtpRtcpImpl::SetSendREDPayloadType(
+    const int8_t payload_type) {
   WEBRTC_TRACE(kTraceModuleCall,
                kTraceRtpRtcp,
                id_,
@@ -1720,8 +1718,8 @@
 }
 
 // Get payload type for Redundant Audio Data RFC 2198.
-WebRtc_Word32 ModuleRtpRtcpImpl::SendREDPayloadType(
-    WebRtc_Word8& payload_type) const {
+int32_t ModuleRtpRtcpImpl::SendREDPayloadType(
+    int8_t& payload_type) const {
   WEBRTC_TRACE(kTraceModuleCall, kTraceRtpRtcp, id_, "SendREDPayloadType()");
 
   return rtp_sender_.RED(&payload_type);
@@ -1774,7 +1772,7 @@
   }
 }
 
-WebRtc_Word32 ModuleRtpRtcpImpl::SetKeyFrameRequestMethod(
+int32_t ModuleRtpRtcpImpl::SetKeyFrameRequestMethod(
     const KeyFrameRequestMethod method) {
   WEBRTC_TRACE(kTraceModuleCall,
                kTraceRtpRtcp,
@@ -1786,7 +1784,7 @@
   return 0;
 }
 
-WebRtc_Word32 ModuleRtpRtcpImpl::RequestKeyFrame() {
+int32_t ModuleRtpRtcpImpl::RequestKeyFrame() {
   WEBRTC_TRACE(kTraceModuleCall,
                kTraceRtpRtcp,
                id_,
@@ -1803,8 +1801,8 @@
   return -1;
 }
 
-WebRtc_Word32 ModuleRtpRtcpImpl::SendRTCPSliceLossIndication(
-    const WebRtc_UWord8 picture_id) {
+int32_t ModuleRtpRtcpImpl::SendRTCPSliceLossIndication(
+    const uint8_t picture_id) {
   WEBRTC_TRACE(kTraceModuleCall,
                kTraceRtpRtcp,
                id_,
@@ -1813,7 +1811,7 @@
   return rtcp_sender_.SendRTCP(kRtcpSli, 0, 0, false, picture_id);
 }
 
-WebRtc_Word32 ModuleRtpRtcpImpl::SetCameraDelay(const WebRtc_Word32 delay_ms) {
+int32_t ModuleRtpRtcpImpl::SetCameraDelay(const int32_t delay_ms) {
   WEBRTC_TRACE(kTraceModuleCall,
                kTraceRtpRtcp,
                id_,
@@ -1837,10 +1835,10 @@
   return rtcp_sender_.SetCameraDelay(delay_ms);
 }
 
-WebRtc_Word32 ModuleRtpRtcpImpl::SetGenericFECStatus(
+int32_t ModuleRtpRtcpImpl::SetGenericFECStatus(
     const bool enable,
-    const WebRtc_UWord8 payload_type_red,
-    const WebRtc_UWord8 payload_type_fec) {
+    const uint8_t payload_type_red,
+    const uint8_t payload_type_fec) {
   if (enable) {
     WEBRTC_TRACE(kTraceModuleCall,
                  kTraceRtpRtcp,
@@ -1858,10 +1856,10 @@
                                          payload_type_fec);
 }
 
-WebRtc_Word32 ModuleRtpRtcpImpl::GenericFECStatus(
+int32_t ModuleRtpRtcpImpl::GenericFECStatus(
     bool& enable,
-    WebRtc_UWord8& payload_type_red,
-    WebRtc_UWord8& payload_type_fec) {
+    uint8_t& payload_type_red,
+    uint8_t& payload_type_fec) {
 
   WEBRTC_TRACE(kTraceModuleCall, kTraceRtpRtcp, id_, "GenericFECStatus()");
 
@@ -1875,8 +1873,8 @@
       RtpRtcp* module = *it;
       if (module)  {
         bool enabled = false;
-        WebRtc_UWord8 dummy_ptype_red = 0;
-        WebRtc_UWord8 dummy_ptype_fec = 0;
+        uint8_t dummy_ptype_red = 0;
+        uint8_t dummy_ptype_fec = 0;
         if (module->GenericFECStatus(enabled,
                                      dummy_ptype_red,
                                      dummy_ptype_fec) == 0 && enabled) {
@@ -1887,9 +1885,9 @@
       it++;
     }
   }
-  WebRtc_Word32 ret_val = rtp_sender_.GenericFECStatus(&enable,
-                                                       &payload_type_red,
-                                                       &payload_type_fec);
+  int32_t ret_val = rtp_sender_.GenericFECStatus(&enable,
+                                                 &payload_type_red,
+                                                 &payload_type_fec);
   if (child_enabled) {
     // Returns true if enabled for any child module.
     enable = child_enabled;
@@ -1897,7 +1895,7 @@
   return ret_val;
 }
 
-WebRtc_Word32 ModuleRtpRtcpImpl::SetFecParameters(
+int32_t ModuleRtpRtcpImpl::SetFecParameters(
     const FecProtectionParams* delta_params,
     const FecProtectionParams* key_params) {
   const bool default_instance(child_modules_.empty() ? false : true);
@@ -1918,7 +1916,7 @@
   return rtp_sender_.SetFecParameters(delta_params, key_params);
 }
 
-void ModuleRtpRtcpImpl::SetRemoteSSRC(const WebRtc_UWord32 ssrc) {
+void ModuleRtpRtcpImpl::SetRemoteSSRC(const uint32_t ssrc) {
   // Inform about the incoming SSRC.
   rtcp_sender_.SetRemoteSSRC(ssrc);
   rtcp_receiver_.SetRemoteSSRC(ssrc);
@@ -1927,7 +1925,7 @@
   if (rtp_sender_.SSRC() == ssrc && !collision_detected_) {
     // If we detect a collision change the SSRC but only once.
     collision_detected_ = true;
-    WebRtc_UWord32 new_ssrc = rtp_sender_.GenerateNewSSRC();
+    uint32_t new_ssrc = rtp_sender_.GenerateNewSSRC();
     if (new_ssrc == 0) {
       // Configured via API ignore.
       return;
@@ -1942,14 +1940,14 @@
   }
 }
 
-WebRtc_UWord32 ModuleRtpRtcpImpl::BitrateReceivedNow() const {
+uint32_t ModuleRtpRtcpImpl::BitrateReceivedNow() const {
   return rtp_receiver_->BitrateNow();
 }
 
-void ModuleRtpRtcpImpl::BitrateSent(WebRtc_UWord32* total_rate,
-                                    WebRtc_UWord32* video_rate,
-                                    WebRtc_UWord32* fec_rate,
-                                    WebRtc_UWord32* nack_rate) const {
+void ModuleRtpRtcpImpl::BitrateSent(uint32_t* total_rate,
+                                    uint32_t* video_rate,
+                                    uint32_t* fec_rate,
+                                    uint32_t* nack_rate) const {
   const bool default_instance(child_modules_.empty() ? false : true);
 
   if (default_instance) {
@@ -1970,10 +1968,10 @@
     while (it != child_modules_.end()) {
       RtpRtcp* module = *it;
       if (module) {
-        WebRtc_UWord32 child_total_rate = 0;
-        WebRtc_UWord32 child_video_rate = 0;
-        WebRtc_UWord32 child_fec_rate = 0;
-        WebRtc_UWord32 child_nack_rate = 0;
+        uint32_t child_total_rate = 0;
+        uint32_t child_video_rate = 0;
+        uint32_t child_fec_rate = 0;
+        uint32_t child_nack_rate = 0;
         module->BitrateSent(&child_total_rate,
                             &child_video_rate,
                             &child_fec_rate,
@@ -2010,13 +2008,13 @@
   rtcp_sender_.SendRTCP(kRtcpSr);
 }
 
-WebRtc_Word32 ModuleRtpRtcpImpl::SendRTCPReferencePictureSelection(
-    const WebRtc_UWord64 picture_id) {
+int32_t ModuleRtpRtcpImpl::SendRTCPReferencePictureSelection(
+    const uint64_t picture_id) {
   return rtcp_sender_.SendRTCP(kRtcpRpsi, 0, 0, false, picture_id);
 }
 
-WebRtc_UWord32 ModuleRtpRtcpImpl::SendTimeOfSendReport(
-    const WebRtc_UWord32 send_report) {
+uint32_t ModuleRtpRtcpImpl::SendTimeOfSendReport(
+    const uint32_t send_report) {
   return rtcp_sender_.SendTimeOfSendReport(send_report);
 }
 
@@ -2026,18 +2024,18 @@
       nack_sequence_numbers.size() == 0) {
     return;
   }
-  WebRtc_UWord16 avg_rtt = 0;
+  uint16_t avg_rtt = 0;
   rtcp_receiver_.RTT(rtp_receiver_->SSRC(), NULL, &avg_rtt, NULL, NULL);
   rtp_sender_.OnReceivedNACK(nack_sequence_numbers, avg_rtt);
 }
 
-WebRtc_Word32 ModuleRtpRtcpImpl::LastReceivedNTP(
-    WebRtc_UWord32& rtcp_arrival_time_secs,  // When we got the last report.
-    WebRtc_UWord32& rtcp_arrival_time_frac,
-    WebRtc_UWord32& remote_sr) {
+int32_t ModuleRtpRtcpImpl::LastReceivedNTP(
+    uint32_t& rtcp_arrival_time_secs,  // When we got the last report.
+    uint32_t& rtcp_arrival_time_frac,
+    uint32_t& remote_sr) {
   // Remote SR: NTP inside the last received (mid 16 bits from sec and frac).
-  WebRtc_UWord32 ntp_secs = 0;
-  WebRtc_UWord32 ntp_frac = 0;
+  uint32_t ntp_secs = 0;
+  uint32_t ntp_frac = 0;
 
   if (-1 == rtcp_receiver_.NTP(&ntp_secs,
                                &ntp_frac,
@@ -2057,8 +2055,8 @@
 }
 
 // Called from RTCPsender.
-WebRtc_Word32 ModuleRtpRtcpImpl::BoundingSet(bool& tmmbr_owner,
-                                             TMMBRSet*& bounding_set) {
+int32_t ModuleRtpRtcpImpl::BoundingSet(bool& tmmbr_owner,
+                                       TMMBRSet*& bounding_set) {
   return rtcp_receiver_.BoundingSet(tmmbr_owner, bounding_set);
 }
 
diff --git a/webrtc/modules/rtp_rtcp/source/rtp_rtcp_impl.h b/webrtc/modules/rtp_rtcp/source/rtp_rtcp_impl.h
index b15b9aa..3d0be8b 100644
--- a/webrtc/modules/rtp_rtcp/source/rtp_rtcp_impl.h
+++ b/webrtc/modules/rtp_rtcp/source/rtp_rtcp_impl.h
@@ -36,153 +36,152 @@
 
   // Returns the number of milliseconds until the module want a worker thread to
   // call Process.
-  virtual WebRtc_Word32 TimeUntilNextProcess();
+  virtual int32_t TimeUntilNextProcess();
 
   // Process any pending tasks such as timeouts.
-  virtual WebRtc_Word32 Process();
+  virtual int32_t Process();
 
   // Receiver part.
 
   // Configure a timeout value.
-  virtual WebRtc_Word32 SetPacketTimeout(const WebRtc_UWord32 rtp_timeout_ms,
-                                         const WebRtc_UWord32 rtcp_timeout_ms);
+  virtual int32_t SetPacketTimeout(const uint32_t rtp_timeout_ms,
+                                   const uint32_t rtcp_timeout_ms);
 
   // Set periodic dead or alive notification.
-  virtual WebRtc_Word32 SetPeriodicDeadOrAliveStatus(
+  virtual int32_t SetPeriodicDeadOrAliveStatus(
       const bool enable,
-      const WebRtc_UWord8 sample_time_seconds);
+      const uint8_t sample_time_seconds);
 
   // Get periodic dead or alive notification status.
-  virtual WebRtc_Word32 PeriodicDeadOrAliveStatus(
+  virtual int32_t PeriodicDeadOrAliveStatus(
       bool& enable,
-      WebRtc_UWord8& sample_time_seconds);
+      uint8_t& sample_time_seconds);
 
-  virtual WebRtc_Word32 RegisterReceivePayload(const CodecInst& voice_codec);
+  virtual int32_t RegisterReceivePayload(const CodecInst& voice_codec);
 
-  virtual WebRtc_Word32 RegisterReceivePayload(const VideoCodec& video_codec);
+  virtual int32_t RegisterReceivePayload(const VideoCodec& video_codec);
 
-  virtual WebRtc_Word32 ReceivePayloadType(const CodecInst& voice_codec,
-                                           WebRtc_Word8* pl_type);
+  virtual int32_t ReceivePayloadType(const CodecInst& voice_codec,
+                                     int8_t* pl_type);
 
-  virtual WebRtc_Word32 ReceivePayloadType(const VideoCodec& video_codec,
-                                           WebRtc_Word8* pl_type);
+  virtual int32_t ReceivePayloadType(const VideoCodec& video_codec,
+                                     int8_t* pl_type);
 
-  virtual WebRtc_Word32 DeRegisterReceivePayload(
-      const WebRtc_Word8 payload_type);
+  virtual int32_t DeRegisterReceivePayload(
+      const int8_t payload_type);
 
   // Register RTP header extension.
-  virtual WebRtc_Word32 RegisterReceiveRtpHeaderExtension(
+  virtual int32_t RegisterReceiveRtpHeaderExtension(
       const RTPExtensionType type,
-      const WebRtc_UWord8 id);
+      const uint8_t id);
 
-  virtual WebRtc_Word32 DeregisterReceiveRtpHeaderExtension(
+  virtual int32_t DeregisterReceiveRtpHeaderExtension(
       const RTPExtensionType type);
 
   // Get the currently configured SSRC filter.
-  virtual WebRtc_Word32 SSRCFilter(WebRtc_UWord32& allowed_ssrc) const;
+  virtual int32_t SSRCFilter(uint32_t& allowed_ssrc) const;
 
   // Set a SSRC to be used as a filter for incoming RTP streams.
-  virtual WebRtc_Word32 SetSSRCFilter(const bool enable,
-                                      const WebRtc_UWord32 allowed_ssrc);
+  virtual int32_t SetSSRCFilter(const bool enable,
+                                const uint32_t allowed_ssrc);
 
   // Get last received remote timestamp.
-  virtual WebRtc_UWord32 RemoteTimestamp() const;
+  virtual uint32_t RemoteTimestamp() const;
 
   // Get the local time of the last received remote timestamp.
   virtual int64_t LocalTimeOfRemoteTimeStamp() const;
 
   // Get the current estimated remote timestamp.
-  virtual WebRtc_Word32 EstimatedRemoteTimeStamp(
-      WebRtc_UWord32& timestamp) const;
+  virtual int32_t EstimatedRemoteTimeStamp(
+      uint32_t& timestamp) const;
 
-  virtual WebRtc_UWord32 RemoteSSRC() const;
+  virtual uint32_t RemoteSSRC() const;
 
-  virtual WebRtc_Word32 RemoteCSRCs(
-      WebRtc_UWord32 arr_of_csrc[kRtpCsrcSize]) const;
+  virtual int32_t RemoteCSRCs(
+      uint32_t arr_of_csrc[kRtpCsrcSize]) const;
 
-  virtual WebRtc_Word32 SetRTXReceiveStatus(const bool enable,
-                                            const WebRtc_UWord32 ssrc);
+  virtual int32_t SetRTXReceiveStatus(const bool enable,
+                                      const uint32_t ssrc);
 
-  virtual WebRtc_Word32 RTXReceiveStatus(bool* enable,
-                                         WebRtc_UWord32* ssrc) const;
+  virtual int32_t RTXReceiveStatus(bool* enable,
+                                   uint32_t* ssrc) const;
 
   // Called by the network module when we receive a packet.
-  virtual WebRtc_Word32 IncomingPacket(const WebRtc_UWord8* incoming_packet,
-                                       const WebRtc_UWord16 packet_length);
+  virtual int32_t IncomingPacket(const uint8_t* incoming_packet,
+                                 const uint16_t packet_length);
 
   // Sender part.
 
-  virtual WebRtc_Word32 RegisterSendPayload(const CodecInst& voice_codec);
+  virtual int32_t RegisterSendPayload(const CodecInst& voice_codec);
 
-  virtual WebRtc_Word32 RegisterSendPayload(const VideoCodec& video_codec);
+  virtual int32_t RegisterSendPayload(const VideoCodec& video_codec);
 
-  virtual WebRtc_Word32 DeRegisterSendPayload(const WebRtc_Word8 payload_type);
+  virtual int32_t DeRegisterSendPayload(const int8_t payload_type);
 
-  virtual WebRtc_Word8 SendPayloadType() const;
+  virtual int8_t SendPayloadType() const;
 
   // Register RTP header extension.
-  virtual WebRtc_Word32 RegisterSendRtpHeaderExtension(
+  virtual int32_t RegisterSendRtpHeaderExtension(
       const RTPExtensionType type,
-      const WebRtc_UWord8 id);
+      const uint8_t id);
 
-  virtual WebRtc_Word32 DeregisterSendRtpHeaderExtension(
+  virtual int32_t DeregisterSendRtpHeaderExtension(
       const RTPExtensionType type);
 
   // Get start timestamp.
-  virtual WebRtc_UWord32 StartTimestamp() const;
+  virtual uint32_t StartTimestamp() const;
 
   // Configure start timestamp, default is a random number.
-  virtual WebRtc_Word32 SetStartTimestamp(const WebRtc_UWord32 timestamp);
+  virtual int32_t SetStartTimestamp(const uint32_t timestamp);
 
-  virtual WebRtc_UWord16 SequenceNumber() const;
+  virtual uint16_t SequenceNumber() const;
 
   // Set SequenceNumber, default is a random number.
-  virtual WebRtc_Word32 SetSequenceNumber(const WebRtc_UWord16 seq);
+  virtual int32_t SetSequenceNumber(const uint16_t seq);
 
-  virtual WebRtc_UWord32 SSRC() const;
+  virtual uint32_t SSRC() const;
 
   // Configure SSRC, default is a random number.
-  virtual WebRtc_Word32 SetSSRC(const WebRtc_UWord32 ssrc);
+  virtual int32_t SetSSRC(const uint32_t ssrc);
 
-  virtual WebRtc_Word32 CSRCs(WebRtc_UWord32 arr_of_csrc[kRtpCsrcSize]) const;
+  virtual int32_t CSRCs(uint32_t arr_of_csrc[kRtpCsrcSize]) const;
 
-  virtual WebRtc_Word32 SetCSRCs(const WebRtc_UWord32 arr_of_csrc[kRtpCsrcSize],
-                                 const WebRtc_UWord8 arr_length);
+  virtual int32_t SetCSRCs(const uint32_t arr_of_csrc[kRtpCsrcSize],
+                           const uint8_t arr_length);
 
-  virtual WebRtc_Word32 SetCSRCStatus(const bool include);
+  virtual int32_t SetCSRCStatus(const bool include);
 
-  virtual WebRtc_UWord32 PacketCountSent() const;
+  virtual uint32_t PacketCountSent() const;
 
   virtual int CurrentSendFrequencyHz() const;
 
-  virtual WebRtc_UWord32 ByteCountSent() const;
+  virtual uint32_t ByteCountSent() const;
 
-  virtual WebRtc_Word32 SetRTXSendStatus(const RtxMode mode,
-                                         const bool set_ssrc,
-                                         const WebRtc_UWord32 ssrc);
+  virtual int32_t SetRTXSendStatus(const RtxMode mode,
+                                   const bool set_ssrc,
+                                   const uint32_t ssrc);
 
-  virtual WebRtc_Word32 RTXSendStatus(RtxMode* mode,
-                                      WebRtc_UWord32* ssrc) const;
+  virtual int32_t RTXSendStatus(RtxMode* mode, uint32_t* ssrc) const;
 
   // Sends kRtcpByeCode when going from true to false.
-  virtual WebRtc_Word32 SetSendingStatus(const bool sending);
+  virtual int32_t SetSendingStatus(const bool sending);
 
   virtual bool Sending() const;
 
   // Drops or relays media packets.
-  virtual WebRtc_Word32 SetSendingMediaStatus(const bool sending);
+  virtual int32_t SetSendingMediaStatus(const bool sending);
 
   virtual bool SendingMedia() const;
 
   // Used by the codec module to deliver a video or audio frame for
   // packetization.
-  virtual WebRtc_Word32 SendOutgoingData(
+  virtual int32_t SendOutgoingData(
       const FrameType frame_type,
-      const WebRtc_Word8 payload_type,
-      const WebRtc_UWord32 time_stamp,
+      const int8_t payload_type,
+      const uint32_t time_stamp,
       int64_t capture_time_ms,
-      const WebRtc_UWord8* payload_data,
-      const WebRtc_UWord32 payload_size,
+      const uint8_t* payload_data,
+      const uint32_t payload_size,
       const RTPFragmentationHeader* fragmentation = NULL,
       const RTPVideoHeader* rtp_video_hdr = NULL);
 
@@ -194,117 +193,117 @@
   virtual RTCPMethod RTCP() const;
 
   // Configure RTCP status i.e on/off.
-  virtual WebRtc_Word32 SetRTCPStatus(const RTCPMethod method);
+  virtual int32_t SetRTCPStatus(const RTCPMethod method);
 
   // Set RTCP CName.
-  virtual WebRtc_Word32 SetCNAME(const char c_name[RTCP_CNAME_SIZE]);
+  virtual int32_t SetCNAME(const char c_name[RTCP_CNAME_SIZE]);
 
   // Get RTCP CName.
-  virtual WebRtc_Word32 CNAME(char c_name[RTCP_CNAME_SIZE]);
+  virtual int32_t CNAME(char c_name[RTCP_CNAME_SIZE]);
 
   // Get remote CName.
-  virtual WebRtc_Word32 RemoteCNAME(const WebRtc_UWord32 remote_ssrc,
-                                    char c_name[RTCP_CNAME_SIZE]) const;
+  virtual int32_t RemoteCNAME(const uint32_t remote_ssrc,
+                              char c_name[RTCP_CNAME_SIZE]) const;
 
   // Get remote NTP.
-  virtual WebRtc_Word32 RemoteNTP(WebRtc_UWord32* received_ntp_secs,
-                                  WebRtc_UWord32* received_ntp_frac,
-                                  WebRtc_UWord32* rtcp_arrival_time_secs,
-                                  WebRtc_UWord32* rtcp_arrival_time_frac,
-                                  WebRtc_UWord32* rtcp_timestamp) const;
+  virtual int32_t RemoteNTP(uint32_t* received_ntp_secs,
+                            uint32_t* received_ntp_frac,
+                            uint32_t* rtcp_arrival_time_secs,
+                            uint32_t* rtcp_arrival_time_frac,
+                            uint32_t* rtcp_timestamp) const;
 
-  virtual WebRtc_Word32 AddMixedCNAME(const WebRtc_UWord32 ssrc,
-                                      const char c_name[RTCP_CNAME_SIZE]);
+  virtual int32_t AddMixedCNAME(const uint32_t ssrc,
+                                const char c_name[RTCP_CNAME_SIZE]);
 
-  virtual WebRtc_Word32 RemoveMixedCNAME(const WebRtc_UWord32 ssrc);
+  virtual int32_t RemoveMixedCNAME(const uint32_t ssrc);
 
   // Get RoundTripTime.
-  virtual WebRtc_Word32 RTT(const WebRtc_UWord32 remote_ssrc,
-                            WebRtc_UWord16* rtt,
-                            WebRtc_UWord16* avg_rtt,
-                            WebRtc_UWord16* min_rtt,
-                            WebRtc_UWord16* max_rtt) const;
+  virtual int32_t RTT(const uint32_t remote_ssrc,
+                      uint16_t* rtt,
+                      uint16_t* avg_rtt,
+                      uint16_t* min_rtt,
+                      uint16_t* max_rtt) const;
 
   // Reset RoundTripTime statistics.
-  virtual WebRtc_Word32 ResetRTT(const WebRtc_UWord32 remote_ssrc);
+  virtual int32_t ResetRTT(const uint32_t remote_ssrc);
 
   virtual void SetRtt(uint32_t rtt);
 
   // Force a send of an RTCP packet.
   // Normal SR and RR are triggered via the process function.
-  virtual WebRtc_Word32 SendRTCP(WebRtc_UWord32 rtcp_packet_type = kRtcpReport);
+  virtual int32_t SendRTCP(uint32_t rtcp_packet_type = kRtcpReport);
 
   // Statistics of our locally created statistics of the received RTP stream.
-  virtual WebRtc_Word32 StatisticsRTP(WebRtc_UWord8*  fraction_lost,
-                                      WebRtc_UWord32* cum_lost,
-                                      WebRtc_UWord32* ext_max,
-                                      WebRtc_UWord32* jitter,
-                                      WebRtc_UWord32* max_jitter = NULL) const;
+  virtual int32_t StatisticsRTP(uint8_t*  fraction_lost,
+                                uint32_t* cum_lost,
+                                uint32_t* ext_max,
+                                uint32_t* jitter,
+                                uint32_t* max_jitter = NULL) const;
 
   // Reset RTP statistics.
-  virtual WebRtc_Word32 ResetStatisticsRTP();
+  virtual int32_t ResetStatisticsRTP();
 
-  virtual WebRtc_Word32 ResetReceiveDataCountersRTP();
+  virtual int32_t ResetReceiveDataCountersRTP();
 
-  virtual WebRtc_Word32 ResetSendDataCountersRTP();
+  virtual int32_t ResetSendDataCountersRTP();
 
   // Statistics of the amount of data sent and received.
-  virtual WebRtc_Word32 DataCountersRTP(WebRtc_UWord32* bytes_sent,
-                                        WebRtc_UWord32* packets_sent,
-                                        WebRtc_UWord32* bytes_received,
-                                        WebRtc_UWord32* packets_received) const;
+  virtual int32_t DataCountersRTP(uint32_t* bytes_sent,
+                                  uint32_t* packets_sent,
+                                  uint32_t* bytes_received,
+                                  uint32_t* packets_received) const;
 
-  virtual WebRtc_Word32 ReportBlockStatistics(
-      WebRtc_UWord8* fraction_lost,
-      WebRtc_UWord32* cum_lost,
-      WebRtc_UWord32* ext_max,
-      WebRtc_UWord32* jitter,
-      WebRtc_UWord32* jitter_transmission_time_offset);
+  virtual int32_t ReportBlockStatistics(
+      uint8_t* fraction_lost,
+      uint32_t* cum_lost,
+      uint32_t* ext_max,
+      uint32_t* jitter,
+      uint32_t* jitter_transmission_time_offset);
 
   // Get received RTCP report, sender info.
-  virtual WebRtc_Word32 RemoteRTCPStat(RTCPSenderInfo* sender_info);
+  virtual int32_t RemoteRTCPStat(RTCPSenderInfo* sender_info);
 
   // Get received RTCP report, report block.
-  virtual WebRtc_Word32 RemoteRTCPStat(
+  virtual int32_t RemoteRTCPStat(
       std::vector<RTCPReportBlock>* receive_blocks) const;
 
   // Set received RTCP report block.
-  virtual WebRtc_Word32 AddRTCPReportBlock(
-    const WebRtc_UWord32 ssrc, const RTCPReportBlock* receive_block);
+  virtual int32_t AddRTCPReportBlock(
+    const uint32_t ssrc, const RTCPReportBlock* receive_block);
 
-  virtual WebRtc_Word32 RemoveRTCPReportBlock(const WebRtc_UWord32 ssrc);
+  virtual int32_t RemoveRTCPReportBlock(const uint32_t ssrc);
 
   // (REMB) Receiver Estimated Max Bitrate.
   virtual bool REMB() const;
 
-  virtual WebRtc_Word32 SetREMBStatus(const bool enable);
+  virtual int32_t SetREMBStatus(const bool enable);
 
-  virtual WebRtc_Word32 SetREMBData(const WebRtc_UWord32 bitrate,
-                                    const WebRtc_UWord8 number_of_ssrc,
-                                    const WebRtc_UWord32* ssrc);
+  virtual int32_t SetREMBData(const uint32_t bitrate,
+                              const uint8_t number_of_ssrc,
+                              const uint32_t* ssrc);
 
   // (IJ) Extended jitter report.
   virtual bool IJ() const;
 
-  virtual WebRtc_Word32 SetIJStatus(const bool enable);
+  virtual int32_t SetIJStatus(const bool enable);
 
   // (TMMBR) Temporary Max Media Bit Rate.
   virtual bool TMMBR() const;
 
-  virtual WebRtc_Word32 SetTMMBRStatus(const bool enable);
+  virtual int32_t SetTMMBRStatus(const bool enable);
 
-  WebRtc_Word32 SetTMMBN(const TMMBRSet* bounding_set);
+  int32_t SetTMMBN(const TMMBRSet* bounding_set);
 
-  virtual WebRtc_UWord16 MaxPayloadLength() const;
+  virtual uint16_t MaxPayloadLength() const;
 
-  virtual WebRtc_UWord16 MaxDataPayloadLength() const;
+  virtual uint16_t MaxDataPayloadLength() const;
 
-  virtual WebRtc_Word32 SetMaxTransferUnit(const WebRtc_UWord16 size);
+  virtual int32_t SetMaxTransferUnit(const uint16_t size);
 
-  virtual WebRtc_Word32 SetTransportOverhead(
+  virtual int32_t SetTransportOverhead(
       const bool tcp,
       const bool ipv6,
-      const WebRtc_UWord8 authentication_overhead = 0);
+      const uint8_t authentication_overhead = 0);
 
   // (NACK) Negative acknowledgment part.
 
@@ -312,38 +311,37 @@
   virtual NACKMethod NACK() const;
 
   // Turn negative acknowledgment requests on/off.
-  virtual WebRtc_Word32 SetNACKStatus(const NACKMethod method,
-                                      int max_reordering_threshold);
+  virtual int32_t SetNACKStatus(const NACKMethod method,
+                                int max_reordering_threshold);
 
   virtual int SelectiveRetransmissions() const;
 
   virtual int SetSelectiveRetransmissions(uint8_t settings);
 
   // Send a Negative acknowledgment packet.
-  virtual WebRtc_Word32 SendNACK(const WebRtc_UWord16* nack_list,
-                                 const WebRtc_UWord16 size);
+  virtual int32_t SendNACK(const uint16_t* nack_list, const uint16_t size);
 
   // Store the sent packets, needed to answer to a negative acknowledgment
   // requests.
-  virtual WebRtc_Word32 SetStorePacketsStatus(
-      const bool enable, const WebRtc_UWord16 number_to_store);
+  virtual int32_t SetStorePacketsStatus(
+      const bool enable, const uint16_t number_to_store);
 
   // (APP) Application specific data.
-  virtual WebRtc_Word32 SetRTCPApplicationSpecificData(
-      const WebRtc_UWord8 sub_type,
-      const WebRtc_UWord32 name,
-      const WebRtc_UWord8* data,
-      const WebRtc_UWord16 length);
+  virtual int32_t SetRTCPApplicationSpecificData(
+      const uint8_t sub_type,
+      const uint32_t name,
+      const uint8_t* data,
+      const uint16_t length);
 
   // (XR) VOIP metric.
-  virtual WebRtc_Word32 SetRTCPVoIPMetrics(const RTCPVoIPMetric* VoIPMetric);
+  virtual int32_t SetRTCPVoIPMetrics(const RTCPVoIPMetric* VoIPMetric);
 
   // Audio part.
 
   // Set audio packet size, used to determine when it's time to send a DTMF
   // packet in silence (CNG).
-  virtual WebRtc_Word32 SetAudioPacketSize(
-      const WebRtc_UWord16 packet_size_samples);
+  virtual int32_t SetAudioPacketSize(
+      const uint16_t packet_size_samples);
 
   // Forward DTMFs to decoder for playout.
   virtual int SetTelephoneEventForwardToDecoder(bool forward_to_decoder);
@@ -351,30 +349,30 @@
   // Is forwarding of outband telephone events turned on/off?
   virtual bool TelephoneEventForwardToDecoder() const;
 
-  virtual bool SendTelephoneEventActive(WebRtc_Word8& telephone_event) const;
+  virtual bool SendTelephoneEventActive(int8_t& telephone_event) const;
 
   // Send a TelephoneEvent tone using RFC 2833 (4733).
-  virtual WebRtc_Word32 SendTelephoneEventOutband(const WebRtc_UWord8 key,
-                                                  const WebRtc_UWord16 time_ms,
-                                                  const WebRtc_UWord8 level);
+  virtual int32_t SendTelephoneEventOutband(const uint8_t key,
+                                            const uint16_t time_ms,
+                                            const uint8_t level);
 
   // Set payload type for Redundant Audio Data RFC 2198.
-  virtual WebRtc_Word32 SetSendREDPayloadType(const WebRtc_Word8 payload_type);
+  virtual int32_t SetSendREDPayloadType(const int8_t payload_type);
 
   // Get payload type for Redundant Audio Data RFC 2198.
-  virtual WebRtc_Word32 SendREDPayloadType(WebRtc_Word8& payload_type) const;
+  virtual int32_t SendREDPayloadType(int8_t& payload_type) const;
 
   // Set status and id for header-extension-for-audio-level-indication.
-  virtual WebRtc_Word32 SetRTPAudioLevelIndicationStatus(
-      const bool enable, const WebRtc_UWord8 id);
+  virtual int32_t SetRTPAudioLevelIndicationStatus(
+      const bool enable, const uint8_t id);
 
   // Get status and id for header-extension-for-audio-level-indication.
-  virtual WebRtc_Word32 GetRTPAudioLevelIndicationStatus(
-      bool& enable, WebRtc_UWord8& id) const;
+  virtual int32_t GetRTPAudioLevelIndicationStatus(
+      bool& enable, uint8_t& id) const;
 
   // Store the audio level in d_bov for header-extension-for-audio-level-
   // indication.
-  virtual WebRtc_Word32 SetAudioLevel(const WebRtc_UWord8 level_d_bov);
+  virtual int32_t SetAudioLevel(const uint8_t level_d_bov);
 
   // Video part.
 
@@ -382,53 +380,52 @@
 
   virtual RtpVideoCodecTypes SendVideoCodec() const;
 
-  virtual WebRtc_Word32 SendRTCPSliceLossIndication(
-      const WebRtc_UWord8 picture_id);
+  virtual int32_t SendRTCPSliceLossIndication(
+      const uint8_t picture_id);
 
   // Set method for requestion a new key frame.
-  virtual WebRtc_Word32 SetKeyFrameRequestMethod(
+  virtual int32_t SetKeyFrameRequestMethod(
       const KeyFrameRequestMethod method);
 
   // Send a request for a keyframe.
-  virtual WebRtc_Word32 RequestKeyFrame();
+  virtual int32_t RequestKeyFrame();
 
-  virtual WebRtc_Word32 SetCameraDelay(const WebRtc_Word32 delay_ms);
+  virtual int32_t SetCameraDelay(const int32_t delay_ms);
 
-  virtual void SetTargetSendBitrate(const WebRtc_UWord32 bitrate);
+  virtual void SetTargetSendBitrate(const uint32_t bitrate);
 
-  virtual WebRtc_Word32 SetGenericFECStatus(
+  virtual int32_t SetGenericFECStatus(
       const bool enable,
-      const WebRtc_UWord8 payload_type_red,
-      const WebRtc_UWord8 payload_type_fec);
+      const uint8_t payload_type_red,
+      const uint8_t payload_type_fec);
 
-  virtual WebRtc_Word32 GenericFECStatus(
+  virtual int32_t GenericFECStatus(
       bool& enable,
-      WebRtc_UWord8& payload_type_red,
-      WebRtc_UWord8& payload_type_fec);
+      uint8_t& payload_type_red,
+      uint8_t& payload_type_fec);
 
-  virtual WebRtc_Word32 SetFecParameters(
+  virtual int32_t SetFecParameters(
       const FecProtectionParams* delta_params,
       const FecProtectionParams* key_params);
 
-  virtual WebRtc_Word32 LastReceivedNTP(WebRtc_UWord32& NTPsecs,
-                                        WebRtc_UWord32& NTPfrac,
-                                        WebRtc_UWord32& remote_sr);
+  virtual int32_t LastReceivedNTP(uint32_t& NTPsecs,
+                                  uint32_t& NTPfrac,
+                                  uint32_t& remote_sr);
 
-  virtual WebRtc_Word32 BoundingSet(bool& tmmbr_owner,
-                                    TMMBRSet*& bounding_set_rec);
+  virtual int32_t BoundingSet(bool& tmmbr_owner, TMMBRSet*& bounding_set_rec);
 
-  virtual void BitrateSent(WebRtc_UWord32* total_rate,
-                           WebRtc_UWord32* video_rate,
-                           WebRtc_UWord32* fec_rate,
-                           WebRtc_UWord32* nackRate) const;
+  virtual void BitrateSent(uint32_t* total_rate,
+                           uint32_t* video_rate,
+                           uint32_t* fec_rate,
+                           uint32_t* nackRate) const;
 
-  virtual void SetRemoteSSRC(const WebRtc_UWord32 ssrc);
+  virtual void SetRemoteSSRC(const uint32_t ssrc);
 
-  virtual WebRtc_UWord32 SendTimeOfSendReport(const WebRtc_UWord32 send_report);
+  virtual uint32_t SendTimeOfSendReport(const uint32_t send_report);
 
   // Good state of RTP receiver inform sender.
-  virtual WebRtc_Word32 SendRTCPReferencePictureSelection(
-      const WebRtc_UWord64 picture_id);
+  virtual int32_t SendRTCPReferencePictureSelection(
+      const uint64_t picture_id);
 
   void OnReceivedTMMBR();
 
@@ -436,11 +433,11 @@
   void OnRequestIntraFrame();
 
   // Received a request for a new SLI.
-  void OnReceivedSliceLossIndication(const WebRtc_UWord8 picture_id);
+  void OnReceivedSliceLossIndication(const uint8_t picture_id);
 
   // Received a new reference frame.
   void OnReceivedReferencePictureSelectionIndication(
-      const WebRtc_UWord64 picture_id);
+      const uint64_t picture_id);
 
   void OnReceivedNACK(const std::list<uint16_t>& nack_sequence_numbers);
 
@@ -455,13 +452,13 @@
 
   void ProcessDeadOrAliveTimer();
 
-  WebRtc_UWord32 BitrateReceivedNow() const;
+  uint32_t BitrateReceivedNow() const;
 
   // Get remote SequenceNumber.
-  WebRtc_UWord16 RemoteSequenceNumber() const;
+  uint16_t RemoteSequenceNumber() const;
 
   // Only for internal testing.
-  WebRtc_UWord32 LastSendReport(WebRtc_UWord32& last_rtcptime);
+  uint32_t LastSendReport(uint32_t& last_rtcptime);
 
   RTPPayloadRegistry        rtp_payload_registry_;
 
@@ -478,14 +475,14 @@
 
   RTPReceiverAudio*         rtp_telephone_event_handler_;
 
-  WebRtc_Word32             id_;
+  int32_t             id_;
   const bool                audio_;
   bool                      collision_detected_;
-  WebRtc_Word64             last_process_time_;
-  WebRtc_Word64             last_bitrate_process_time_;
-  WebRtc_Word64             last_packet_timeout_process_time_;
-  WebRtc_Word64             last_rtt_process_time_;
-  WebRtc_UWord16            packet_overhead_;
+  int64_t             last_process_time_;
+  int64_t             last_bitrate_process_time_;
+  int64_t             last_packet_timeout_process_time_;
+  int64_t             last_rtt_process_time_;
+  uint16_t            packet_overhead_;
 
   scoped_ptr<CriticalSectionWrapper> critical_section_module_ptrs_;
   scoped_ptr<CriticalSectionWrapper> critical_section_module_ptrs_feedback_;
@@ -494,12 +491,12 @@
 
   // Dead or alive.
   bool                  dead_or_alive_active_;
-  WebRtc_UWord32        dead_or_alive_timeout_ms_;
-  WebRtc_Word64         dead_or_alive_last_timer_;
+  uint32_t        dead_or_alive_timeout_ms_;
+  int64_t         dead_or_alive_last_timer_;
   // Send side
   NACKMethod            nack_method_;
-  WebRtc_UWord32        nack_last_time_sent_full_;
-  WebRtc_UWord16        nack_last_seq_number_sent_;
+  uint32_t        nack_last_time_sent_full_;
+  uint16_t        nack_last_seq_number_sent_;
 
   bool                  simulcast_;
   VideoCodec            send_video_codec_;
diff --git a/webrtc/modules/rtp_rtcp/source/rtp_sender.cc b/webrtc/modules/rtp_rtcp/source/rtp_sender.cc
index 2b43af1..9c5cfe0 100644
--- a/webrtc/modules/rtp_rtcp/source/rtp_sender.cc
+++ b/webrtc/modules/rtp_rtcp/source/rtp_sender.cc
@@ -21,7 +21,7 @@
 
 namespace webrtc {
 
-RTPSender::RTPSender(const WebRtc_Word32 id, const bool audio, Clock *clock,
+RTPSender::RTPSender(const int32_t id, const bool audio, Clock *clock,
                      Transport *transport, RtpAudioFeedback *audio_feedback,
                      PacedSender *paced_sender)
     : Bitrate(clock), id_(id), audio_configured_(audio), audio_(NULL),
@@ -45,7 +45,7 @@
   memset(nack_byte_count_, 0, sizeof(nack_byte_count_));
   memset(csrc_, 0, sizeof(csrc_));
   // We need to seed the random generator.
-  srand(static_cast<WebRtc_UWord32>(clock_->TimeInMilliseconds()));
+  srand(static_cast<uint32_t>(clock_->TimeInMilliseconds()));
   ssrc_ = ssrc_db_.CreateSSRC();  // Can't be 0.
   ssrc_rtx_ = ssrc_db_.CreateSSRC();  // Can't be 0.
   // Random start, 16 bits. Can't be 0.
@@ -70,7 +70,7 @@
   SSRCDatabase::ReturnSSRCDatabase();
   delete send_critsect_;
   while (!payload_type_map_.empty()) {
-    std::map<WebRtc_Word8, ModuleRTPUtility::Payload *>::iterator it =
+    std::map<int8_t, ModuleRTPUtility::Payload *>::iterator it =
         payload_type_map_.begin();
     delete it->second;
     payload_type_map_.erase(it);
@@ -82,34 +82,34 @@
   WEBRTC_TRACE(kTraceMemory, kTraceRtpRtcp, id_, "%s deleted", __FUNCTION__);
 }
 
-void RTPSender::SetTargetSendBitrate(const WebRtc_UWord32 bits) {
+void RTPSender::SetTargetSendBitrate(const uint32_t bits) {
   target_send_bitrate_ = static_cast<uint16_t>(bits / 1000);
 }
 
-WebRtc_UWord16 RTPSender::ActualSendBitrateKbit() const {
-  return (WebRtc_UWord16)(Bitrate::BitrateNow() / 1000);
+uint16_t RTPSender::ActualSendBitrateKbit() const {
+  return (uint16_t)(Bitrate::BitrateNow() / 1000);
 }
 
-WebRtc_UWord32 RTPSender::VideoBitrateSent() const {
+uint32_t RTPSender::VideoBitrateSent() const {
   if (video_) {
     return video_->VideoBitrateSent();
   }
   return 0;
 }
 
-WebRtc_UWord32 RTPSender::FecOverheadRate() const {
+uint32_t RTPSender::FecOverheadRate() const {
   if (video_) {
     return video_->FecOverheadRate();
   }
   return 0;
 }
 
-WebRtc_UWord32 RTPSender::NackOverheadRate() const {
+uint32_t RTPSender::NackOverheadRate() const {
   return nack_bitrate_.BitrateLast();
 }
 
-WebRtc_Word32 RTPSender::SetTransmissionTimeOffset(
-    const WebRtc_Word32 transmission_time_offset) {
+int32_t RTPSender::SetTransmissionTimeOffset(
+    const int32_t transmission_time_offset) {
   if (transmission_time_offset > (0x800000 - 1) ||
       transmission_time_offset < -(0x800000 - 1)) {  // Word24.
     return -1;
@@ -119,31 +119,31 @@
   return 0;
 }
 
-WebRtc_Word32 RTPSender::RegisterRtpHeaderExtension(const RTPExtensionType type,
-                                                    const WebRtc_UWord8 id) {
+int32_t RTPSender::RegisterRtpHeaderExtension(const RTPExtensionType type,
+                                              const uint8_t id) {
   CriticalSectionScoped cs(send_critsect_);
   return rtp_header_extension_map_.Register(type, id);
 }
 
-WebRtc_Word32 RTPSender::DeregisterRtpHeaderExtension(
+int32_t RTPSender::DeregisterRtpHeaderExtension(
     const RTPExtensionType type) {
   CriticalSectionScoped cs(send_critsect_);
   return rtp_header_extension_map_.Deregister(type);
 }
 
-WebRtc_UWord16 RTPSender::RtpHeaderExtensionTotalLength() const {
+uint16_t RTPSender::RtpHeaderExtensionTotalLength() const {
   CriticalSectionScoped cs(send_critsect_);
   return rtp_header_extension_map_.GetTotalLengthInBytes();
 }
 
-WebRtc_Word32 RTPSender::RegisterPayload(
+int32_t RTPSender::RegisterPayload(
     const char payload_name[RTP_PAYLOAD_NAME_SIZE],
-    const WebRtc_Word8 payload_number, const WebRtc_UWord32 frequency,
-    const WebRtc_UWord8 channels, const WebRtc_UWord32 rate) {
+    const int8_t payload_number, const uint32_t frequency,
+    const uint8_t channels, const uint32_t rate) {
   assert(payload_name);
   CriticalSectionScoped cs(send_critsect_);
 
-  std::map<WebRtc_Word8, ModuleRTPUtility::Payload *>::iterator it =
+  std::map<int8_t, ModuleRTPUtility::Payload *>::iterator it =
       payload_type_map_.find(payload_number);
 
   if (payload_type_map_.end() != it) {
@@ -168,7 +168,7 @@
     }
     return -1;
   }
-  WebRtc_Word32 ret_val = -1;
+  int32_t ret_val = -1;
   ModuleRTPUtility::Payload *payload = NULL;
   if (audio_configured_) {
     ret_val = audio_->RegisterAudioPayload(payload_name, payload_number,
@@ -183,11 +183,11 @@
   return ret_val;
 }
 
-WebRtc_Word32 RTPSender::DeRegisterSendPayload(
-    const WebRtc_Word8 payload_type) {
+int32_t RTPSender::DeRegisterSendPayload(
+    const int8_t payload_type) {
   CriticalSectionScoped lock(send_critsect_);
 
-  std::map<WebRtc_Word8, ModuleRTPUtility::Payload *>::iterator it =
+  std::map<int8_t, ModuleRTPUtility::Payload *>::iterator it =
       payload_type_map_.find(payload_type);
 
   if (payload_type_map_.end() == it) {
@@ -199,13 +199,13 @@
   return 0;
 }
 
-WebRtc_Word8 RTPSender::SendPayloadType() const { return payload_type_; }
+int8_t RTPSender::SendPayloadType() const { return payload_type_; }
 
 int RTPSender::SendPayloadFrequency() const { return audio_->AudioFrequency(); }
 
-WebRtc_Word32 RTPSender::SetMaxPayloadLength(
-    const WebRtc_UWord16 max_payload_length,
-    const WebRtc_UWord16 packet_over_head) {
+int32_t RTPSender::SetMaxPayloadLength(
+    const uint16_t max_payload_length,
+    const uint16_t packet_over_head) {
   // Sanity check.
   if (max_payload_length < 100 || max_payload_length > IP_PACKET_SIZE) {
     WEBRTC_TRACE(kTraceError, kTraceRtpRtcp, id_, "%s invalid argument",
@@ -221,7 +221,7 @@
   return 0;
 }
 
-WebRtc_UWord16 RTPSender::MaxDataPayloadLength() const {
+uint16_t RTPSender::MaxDataPayloadLength() const {
   if (audio_configured_) {
     return max_payload_length_ - RTPHeaderLength();
   } else {
@@ -231,14 +231,14 @@
   }
 }
 
-WebRtc_UWord16 RTPSender::MaxPayloadLength() const {
+uint16_t RTPSender::MaxPayloadLength() const {
   return max_payload_length_;
 }
 
-WebRtc_UWord16 RTPSender::PacketOverHead() const { return packet_over_head_; }
+uint16_t RTPSender::PacketOverHead() const { return packet_over_head_; }
 
 void RTPSender::SetRTXStatus(const RtxMode mode, const bool set_ssrc,
-                             const WebRtc_UWord32 ssrc) {
+                             const uint32_t ssrc) {
   CriticalSectionScoped cs(send_critsect_);
   rtx_ = mode;
   if (rtx_ != kRtxOff) {
@@ -250,14 +250,14 @@
   }
 }
 
-void RTPSender::RTXStatus(RtxMode* mode, WebRtc_UWord32 *SSRC) const {
+void RTPSender::RTXStatus(RtxMode* mode, uint32_t *SSRC) const {
   CriticalSectionScoped cs(send_critsect_);
   *mode = rtx_;
   *SSRC = ssrc_rtx_;
 }
 
-WebRtc_Word32 RTPSender::CheckPayloadType(const WebRtc_Word8 payload_type,
-                                          RtpVideoCodecTypes *video_type) {
+int32_t RTPSender::CheckPayloadType(const int8_t payload_type,
+                                    RtpVideoCodecTypes *video_type) {
   CriticalSectionScoped cs(send_critsect_);
 
   if (payload_type < 0) {
@@ -266,7 +266,7 @@
     return -1;
   }
   if (audio_configured_) {
-    WebRtc_Word8 red_pl_type = -1;
+    int8_t red_pl_type = -1;
     if (audio_->RED(red_pl_type) == 0) {
       // We have configured RED.
       if (red_pl_type == payload_type) {
@@ -281,7 +281,7 @@
     }
     return 0;
   }
-  std::map<WebRtc_Word8, ModuleRTPUtility::Payload *>::iterator it =
+  std::map<int8_t, ModuleRTPUtility::Payload *>::iterator it =
       payload_type_map_.find(payload_type);
   if (it == payload_type_map_.end()) {
     WEBRTC_TRACE(kTraceError, kTraceRtpRtcp, id_,
@@ -299,10 +299,10 @@
   return 0;
 }
 
-WebRtc_Word32 RTPSender::SendOutgoingData(
-    const FrameType frame_type, const WebRtc_Word8 payload_type,
-    const WebRtc_UWord32 capture_timestamp, int64_t capture_time_ms,
-    const WebRtc_UWord8 *payload_data, const WebRtc_UWord32 payload_size,
+int32_t RTPSender::SendOutgoingData(
+    const FrameType frame_type, const int8_t payload_type,
+    const uint32_t capture_timestamp, int64_t capture_time_ms,
+    const uint8_t *payload_data, const uint32_t payload_size,
     const RTPFragmentationHeader *fragmentation,
     VideoCodecInformation *codec_info, const RTPVideoTypeHeader *rtp_type_hdr) {
   {
@@ -340,8 +340,8 @@
   }
 }
 
-WebRtc_Word32 RTPSender::SendPaddingAccordingToBitrate(
-    WebRtc_Word8 payload_type, WebRtc_UWord32 capture_timestamp,
+int32_t RTPSender::SendPaddingAccordingToBitrate(
+    int8_t payload_type, uint32_t capture_timestamp,
     int64_t capture_time_ms) {
   // Current bitrate since last estimate(1 second) averaged with the
   // estimate since then, to get the most up to date bitrate.
@@ -365,16 +365,16 @@
   return SendPadData(payload_type, capture_timestamp, capture_time_ms, bytes);
 }
 
-WebRtc_Word32 RTPSender::SendPadData(
-    WebRtc_Word8 payload_type, WebRtc_UWord32 capture_timestamp,
-    int64_t capture_time_ms, WebRtc_Word32 bytes) {
+int32_t RTPSender::SendPadData(
+    int8_t payload_type, uint32_t capture_timestamp,
+    int64_t capture_time_ms, int32_t bytes) {
   // Drop this packet if we're not sending media packets.
   if (!sending_media_) {
     return 0;
   }
   // Max in the RFC 3550 is 255 bytes, we limit it to be modulus 32 for SRTP.
   int max_length = 224;
-  WebRtc_UWord8 data_buffer[IP_PACKET_SIZE];
+  uint8_t data_buffer[IP_PACKET_SIZE];
 
   for (; bytes > 0; bytes -= max_length) {
     int padding_bytes_in_packet = max_length;
@@ -391,8 +391,8 @@
                             capture_timestamp, true,  // Timestamp provided.
                             true);  // Increment sequence number.
     data_buffer[0] |= 0x20;  // Set padding bit.
-    WebRtc_Word32 *data =
-        reinterpret_cast<WebRtc_Word32 *>(&(data_buffer[header_length]));
+    int32_t *data =
+        reinterpret_cast<int32_t *>(&(data_buffer[header_length]));
 
     // Fill data buffer with random data.
     for (int j = 0; j < (padding_bytes_in_packet >> 2); ++j) {
@@ -416,17 +416,16 @@
 }
 
 void RTPSender::SetStorePacketsStatus(const bool enable,
-                                      const WebRtc_UWord16 number_to_store) {
+                                      const uint16_t number_to_store) {
   packet_history_->SetStorePacketsStatus(enable, number_to_store);
 }
 
 bool RTPSender::StorePackets() const { return packet_history_->StorePackets(); }
 
-WebRtc_Word32 RTPSender::ReSendPacket(WebRtc_UWord16 packet_id,
-                                      WebRtc_UWord32 min_resend_time) {
-  WebRtc_UWord16 length = IP_PACKET_SIZE;
-  WebRtc_UWord8 data_buffer[IP_PACKET_SIZE];
-  WebRtc_UWord8 *buffer_to_send_ptr = data_buffer;
+int32_t RTPSender::ReSendPacket(uint16_t packet_id, uint32_t min_resend_time) {
+  uint16_t length = IP_PACKET_SIZE;
+  uint8_t data_buffer[IP_PACKET_SIZE];
+  uint8_t *buffer_to_send_ptr = data_buffer;
 
   int64_t stored_time_in_ms;
   StorageType type;
@@ -442,13 +441,13 @@
     // packet should not be retransmitted.
     return 0;
   }
-  WebRtc_UWord8 data_buffer_rtx[IP_PACKET_SIZE];
+  uint8_t data_buffer_rtx[IP_PACKET_SIZE];
   if (rtx_ != kRtxOff) {
     BuildRtxPacket(data_buffer, &length, data_buffer_rtx);
     buffer_to_send_ptr = data_buffer_rtx;
   }
 
-  WebRtc_Word32 bytes_sent = ReSendToNetwork(buffer_to_send_ptr, length);
+  int32_t bytes_sent = ReSendToNetwork(buffer_to_send_ptr, length);
   if (bytes_sent <= 0) {
     WEBRTC_TRACE(kTraceWarning, kTraceRtpRtcp, id_,
                  "Transport failed to resend packet_id %u", packet_id);
@@ -459,9 +458,8 @@
   return bytes_sent;
 }
 
-WebRtc_Word32 RTPSender::ReSendToNetwork(const WebRtc_UWord8 *packet,
-                                         const WebRtc_UWord32 size) {
-  WebRtc_Word32 bytes_sent = -1;
+int32_t RTPSender::ReSendToNetwork(const uint8_t *packet, const uint32_t size) {
+  int32_t bytes_sent = -1;
   if (transport_) {
     bytes_sent = transport_->SendPacket(id_, packet, size);
   }
@@ -491,9 +489,9 @@
 
 void RTPSender::OnReceivedNACK(
     const std::list<uint16_t>& nack_sequence_numbers,
-    const WebRtc_UWord16 avg_rtt) {
-  const WebRtc_Word64 now = clock_->TimeInMilliseconds();
-  WebRtc_UWord32 bytes_re_sent = 0;
+    const uint16_t avg_rtt) {
+  const int64_t now = clock_->TimeInMilliseconds();
+  uint32_t bytes_re_sent = 0;
 
   // Enough bandwidth to send NACK?
   if (!ProcessNACKBitRate(now)) {
@@ -505,7 +503,7 @@
 
   for (std::list<uint16_t>::const_iterator it = nack_sequence_numbers.begin();
       it != nack_sequence_numbers.end(); ++it) {
-    const WebRtc_Word32 bytes_sent = ReSendPacket(*it, 5 + avg_rtt);
+    const int32_t bytes_sent = ReSendPacket(*it, 5 + avg_rtt);
     if (bytes_sent > 0) {
       bytes_re_sent += bytes_sent;
     } else if (bytes_sent == 0) {
@@ -522,8 +520,8 @@
     // Delay bandwidth estimate (RTT * BW).
     if (target_send_bitrate_ != 0 && avg_rtt) {
       // kbits/s * ms = bits => bits/8 = bytes
-      WebRtc_UWord32 target_bytes =
-          (static_cast<WebRtc_UWord32>(target_send_bitrate_) * avg_rtt) >> 3;
+      uint32_t target_bytes =
+          (static_cast<uint32_t>(target_send_bitrate_) * avg_rtt) >> 3;
       if (bytes_re_sent > target_bytes) {
         break;  // Ignore the rest of the packets in the list.
       }
@@ -536,10 +534,10 @@
   }
 }
 
-bool RTPSender::ProcessNACKBitRate(const WebRtc_UWord32 now) {
-  WebRtc_UWord32 num = 0;
-  WebRtc_Word32 byte_count = 0;
-  const WebRtc_UWord32 avg_interval = 1000;
+bool RTPSender::ProcessNACKBitRate(const uint32_t now) {
+  uint32_t num = 0;
+  int32_t byte_count = 0;
+  const uint32_t avg_interval = 1000;
 
   CriticalSectionScoped cs(send_critsect_);
 
@@ -554,7 +552,7 @@
       byte_count += nack_byte_count_[num];
     }
   }
-  WebRtc_Word32 time_interval = avg_interval;
+  int32_t time_interval = avg_interval;
   if (num == NACK_BYTECOUNT_SIZE) {
     // More than NACK_BYTECOUNT_SIZE nack messages has been received
     // during the last msg_interval.
@@ -566,8 +564,8 @@
   return (byte_count * 8) < (target_send_bitrate_ * time_interval);
 }
 
-void RTPSender::UpdateNACKBitRate(const WebRtc_UWord32 bytes,
-                                  const WebRtc_UWord32 now) {
+void RTPSender::UpdateNACKBitRate(const uint32_t bytes,
+                                  const uint32_t now) {
   CriticalSectionScoped cs(send_critsect_);
 
   // Save bitrate statistics.
@@ -635,7 +633,7 @@
 }
 
 // TODO(pwestin): send in the RTPHeaderParser to avoid parsing it again.
-WebRtc_Word32 RTPSender::SendToNetwork(
+int32_t RTPSender::SendToNetwork(
     uint8_t *buffer, int payload_length, int rtp_header_length,
     int64_t capture_time_ms, StorageType storage) {
   ModuleRTPUtility::RTPHeaderParser rtp_parser(
@@ -658,11 +656,11 @@
     return -1;
   }
 
-  WebRtc_Word32 bytes_sent = -1;
+  int32_t bytes_sent = -1;
   // Create and send RTX Packet.
   if (rtx_ == kRtxAll && storage == kAllowRetransmission) {
-    WebRtc_UWord16 length_rtx = payload_length + rtp_header_length;
-    WebRtc_UWord8 data_buffer_rtx[IP_PACKET_SIZE];
+    uint16_t length_rtx = payload_length + rtp_header_length;
+    uint8_t data_buffer_rtx[IP_PACKET_SIZE];
     BuildRtxPacket(buffer, &length_rtx, data_buffer_rtx);
     if (transport_) {
       bytes_sent += transport_->SendPacket(id_, data_buffer_rtx, length_rtx);
@@ -711,16 +709,16 @@
   video_->ProcessBitrate();
 }
 
-WebRtc_UWord16 RTPSender::RTPHeaderLength() const {
-  WebRtc_UWord16 rtp_header_length = 12;
+uint16_t RTPSender::RTPHeaderLength() const {
+  uint16_t rtp_header_length = 12;
   if (include_csrcs_) {
-    rtp_header_length += sizeof(WebRtc_UWord32) * csrcs_;
+    rtp_header_length += sizeof(uint32_t) * csrcs_;
   }
   rtp_header_length += RtpHeaderExtensionTotalLength();
   return rtp_header_length;
 }
 
-WebRtc_UWord16 RTPSender::IncrementSequenceNumber() {
+uint16_t RTPSender::IncrementSequenceNumber() {
   CriticalSectionScoped cs(send_critsect_);
   return sequence_number_++;
 }
@@ -730,26 +728,26 @@
   payload_bytes_sent_ = 0;
 }
 
-WebRtc_UWord32 RTPSender::Packets() const {
+uint32_t RTPSender::Packets() const {
   // Don't use critsect to avoid potential deadlock.
   return packets_sent_;
 }
 
 // Number of sent RTP bytes.
 // Don't use critsect to avoid potental deadlock.
-WebRtc_UWord32 RTPSender::Bytes() const {
+uint32_t RTPSender::Bytes() const {
   return payload_bytes_sent_;
 }
 
-WebRtc_Word32 RTPSender::BuildRTPheader(
-    WebRtc_UWord8 *data_buffer, const WebRtc_Word8 payload_type,
-    const bool marker_bit, const WebRtc_UWord32 capture_time_stamp,
+int32_t RTPSender::BuildRTPheader(
+    uint8_t *data_buffer, const int8_t payload_type,
+    const bool marker_bit, const uint32_t capture_time_stamp,
     const bool time_stamp_provided, const bool inc_sequence_number) {
   assert(payload_type >= 0);
   CriticalSectionScoped cs(send_critsect_);
 
-  data_buffer[0] = static_cast<WebRtc_UWord8>(0x80);  // version 2.
-  data_buffer[1] = static_cast<WebRtc_UWord8>(payload_type);
+  data_buffer[0] = static_cast<uint8_t>(0x80);  // version 2.
+  data_buffer[1] = static_cast<uint8_t>(payload_type);
   if (marker_bit) {
     data_buffer[1] |= kRtpMarkerBitMask;  // Marker bit is set.
   }
@@ -764,7 +762,7 @@
   ModuleRTPUtility::AssignUWord16ToBuffer(data_buffer + 2, sequence_number_);
   ModuleRTPUtility::AssignUWord32ToBuffer(data_buffer + 4, time_stamp_);
   ModuleRTPUtility::AssignUWord32ToBuffer(data_buffer + 8, ssrc_);
-  WebRtc_Word32 rtp_header_length = 12;
+  int32_t rtp_header_length = 12;
 
   // Add the CSRCs if any.
   if (include_csrcs_ && csrcs_ > 0) {
@@ -773,19 +771,19 @@
       assert(false);
       return -1;
     }
-    WebRtc_UWord8 *ptr = &data_buffer[rtp_header_length];
-    for (WebRtc_UWord32 i = 0; i < csrcs_; ++i) {
+    uint8_t *ptr = &data_buffer[rtp_header_length];
+    for (uint32_t i = 0; i < csrcs_; ++i) {
       ModuleRTPUtility::AssignUWord32ToBuffer(ptr, csrc_[i]);
       ptr += 4;
     }
     data_buffer[0] = (data_buffer[0] & 0xf0) | csrcs_;
 
     // Update length of header.
-    rtp_header_length += sizeof(WebRtc_UWord32) * csrcs_;
+    rtp_header_length += sizeof(uint32_t) * csrcs_;
   }
   sequence_number_++;  // Prepare for next packet.
 
-  WebRtc_UWord16 len = BuildRTPHeaderExtension(data_buffer + rtp_header_length);
+  uint16_t len = BuildRTPHeaderExtension(data_buffer + rtp_header_length);
   if (len) {
     data_buffer[0] |= 0x10;  // Set extension bit.
     rtp_header_length += len;
@@ -793,8 +791,8 @@
   return rtp_header_length;
 }
 
-WebRtc_UWord16 RTPSender::BuildRTPHeaderExtension(
-    WebRtc_UWord8 *data_buffer) const {
+uint16_t RTPSender::BuildRTPHeaderExtension(
+    uint8_t *data_buffer) const {
   if (rtp_header_extension_map_.Size() <= 0) {
     return 0;
   }
@@ -807,19 +805,19 @@
   //  |                        header extension                       |
   //  |                             ....                              |
   //
-  const WebRtc_UWord32 kPosLength = 2;
-  const WebRtc_UWord32 kHeaderLength = RTP_ONE_BYTE_HEADER_LENGTH_IN_BYTES;
+  const uint32_t kPosLength = 2;
+  const uint32_t kHeaderLength = RTP_ONE_BYTE_HEADER_LENGTH_IN_BYTES;
 
   // Add extension ID (0xBEDE).
   ModuleRTPUtility::AssignUWord16ToBuffer(data_buffer,
                                           RTP_ONE_BYTE_HEADER_EXTENSION);
 
   // Add extensions.
-  WebRtc_UWord16 total_block_length = 0;
+  uint16_t total_block_length = 0;
 
   RTPExtensionType type = rtp_header_extension_map_.First();
   while (type != kRtpExtensionNone) {
-    WebRtc_UWord8 block_length = 0;
+    uint8_t block_length = 0;
     if (type == kRtpExtensionTransmissionTimeOffset) {
       block_length = BuildTransmissionTimeOffsetExtension(
                          data_buffer + kHeaderLength + total_block_length);
@@ -839,8 +837,8 @@
   return kHeaderLength + total_block_length;
 }
 
-WebRtc_UWord8 RTPSender::BuildTransmissionTimeOffsetExtension(
-    WebRtc_UWord8* data_buffer) const {
+uint8_t RTPSender::BuildTransmissionTimeOffsetExtension(
+    uint8_t* data_buffer) const {
   // From RFC 5450: Transmission Time Offsets in RTP Streams.
   //
   // The transmission time is signaled to the receiver in-band using the
@@ -859,14 +857,14 @@
   //   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 
   // Get id defined by user.
-  WebRtc_UWord8 id;
+  uint8_t id;
   if (rtp_header_extension_map_.GetId(kRtpExtensionTransmissionTimeOffset,
                                       &id) != 0) {
     // Not registered.
     return 0;
   }
   int pos = 0;
-  const WebRtc_UWord8 len = 2;
+  const uint8_t len = 2;
   data_buffer[pos++] = (id << 4) + len;
   ModuleRTPUtility::AssignUWord24ToBuffer(data_buffer + pos,
                                           transmission_time_offset_);
@@ -876,8 +874,8 @@
 }
 
 bool RTPSender::UpdateTransmissionTimeOffset(
-    WebRtc_UWord8 *rtp_packet, const WebRtc_UWord16 rtp_packet_length,
-    const WebRtcRTPHeader &rtp_header, const WebRtc_Word64 time_diff_ms) const {
+    uint8_t *rtp_packet, const uint16_t rtp_packet_length,
+    const WebRtcRTPHeader &rtp_header, const int64_t time_diff_ms) const {
   CriticalSectionScoped cs(send_critsect_);
 
   // Get length until start of transmission block.
@@ -905,7 +903,7 @@
     return false;
   }
   // Get id.
-  WebRtc_UWord8 id = 0;
+  uint8_t id = 0;
   if (rtp_header_extension_map_.GetId(kRtpExtensionTransmissionTimeOffset,
                                       &id) != 0) {
     WEBRTC_TRACE(kTraceStream, kTraceRtpRtcp, id_,
@@ -913,7 +911,7 @@
     return false;
   }
   // Verify first byte in block.
-  const WebRtc_UWord8 first_block_byte = (id << 4) + 2;
+  const uint8_t first_block_byte = (id << 4) + 2;
   if (rtp_packet[block_pos] != first_block_byte) {
     WEBRTC_TRACE(kTraceStream, kTraceRtpRtcp, id_,
                  "Failed to update transmission time offset.");
@@ -927,9 +925,9 @@
 
 void RTPSender::SetSendingStatus(const bool enabled) {
   if (enabled) {
-    WebRtc_UWord32 frequency_hz;
+    uint32_t frequency_hz;
     if (audio_configured_) {
-      WebRtc_UWord32 frequency = audio_->AudioFrequency();
+      uint32_t frequency = audio_->AudioFrequency();
 
       // sanity
       switch (frequency) {
@@ -947,8 +945,7 @@
     } else {
       frequency_hz = kDefaultVideoFrequency;
     }
-    WebRtc_UWord32 RTPtime = ModuleRTPUtility::GetCurrentRTP(clock_,
-                                                             frequency_hz);
+    uint32_t RTPtime = ModuleRTPUtility::GetCurrentRTP(clock_, frequency_hz);
 
     // Will be ignored if it's already configured via API.
     SetStartTimestamp(RTPtime, false);
@@ -977,12 +974,12 @@
   return sending_media_;
 }
 
-WebRtc_UWord32 RTPSender::Timestamp() const {
+uint32_t RTPSender::Timestamp() const {
   CriticalSectionScoped cs(send_critsect_);
   return time_stamp_;
 }
 
-void RTPSender::SetStartTimestamp(WebRtc_UWord32 timestamp, bool force) {
+void RTPSender::SetStartTimestamp(uint32_t timestamp, bool force) {
   CriticalSectionScoped cs(send_critsect_);
   if (force) {
     start_time_stamp_forced_ = force;
@@ -994,12 +991,12 @@
   }
 }
 
-WebRtc_UWord32 RTPSender::StartTimestamp() const {
+uint32_t RTPSender::StartTimestamp() const {
   CriticalSectionScoped cs(send_critsect_);
   return start_time_stamp_;
 }
 
-WebRtc_UWord32 RTPSender::GenerateNewSSRC() {
+uint32_t RTPSender::GenerateNewSSRC() {
   // If configured via API, return 0.
   CriticalSectionScoped cs(send_critsect_);
 
@@ -1010,7 +1007,7 @@
   return ssrc_;
 }
 
-void RTPSender::SetSSRC(WebRtc_UWord32 ssrc) {
+void RTPSender::SetSSRC(uint32_t ssrc) {
   // This is configured via the API.
   CriticalSectionScoped cs(send_critsect_);
 
@@ -1027,7 +1024,7 @@
   }
 }
 
-WebRtc_UWord32 RTPSender::SSRC() const {
+uint32_t RTPSender::SSRC() const {
   CriticalSectionScoped cs(send_critsect_);
   return ssrc_;
 }
@@ -1036,8 +1033,8 @@
   include_csrcs_ = include;
 }
 
-void RTPSender::SetCSRCs(const WebRtc_UWord32 arr_of_csrc[kRtpCsrcSize],
-                         const WebRtc_UWord8 arr_length) {
+void RTPSender::SetCSRCs(const uint32_t arr_of_csrc[kRtpCsrcSize],
+                         const uint8_t arr_length) {
   assert(arr_length <= kRtpCsrcSize);
   CriticalSectionScoped cs(send_critsect_);
 
@@ -1047,7 +1044,7 @@
   csrcs_ = arr_length;
 }
 
-WebRtc_Word32 RTPSender::CSRCs(WebRtc_UWord32 arr_of_csrc[kRtpCsrcSize]) const {
+int32_t RTPSender::CSRCs(uint32_t arr_of_csrc[kRtpCsrcSize]) const {
   assert(arr_of_csrc);
   CriticalSectionScoped cs(send_critsect_);
   for (int i = 0; i < csrcs_ && i < kRtpCsrcSize; i++) {
@@ -1056,67 +1053,67 @@
   return csrcs_;
 }
 
-void RTPSender::SetSequenceNumber(WebRtc_UWord16 seq) {
+void RTPSender::SetSequenceNumber(uint16_t seq) {
   CriticalSectionScoped cs(send_critsect_);
   sequence_number_forced_ = true;
   sequence_number_ = seq;
 }
 
-WebRtc_UWord16 RTPSender::SequenceNumber() const {
+uint16_t RTPSender::SequenceNumber() const {
   CriticalSectionScoped cs(send_critsect_);
   return sequence_number_;
 }
 
 // Audio.
-WebRtc_Word32 RTPSender::SendTelephoneEvent(const WebRtc_UWord8 key,
-                                            const WebRtc_UWord16 time_ms,
-                                            const WebRtc_UWord8 level) {
+int32_t RTPSender::SendTelephoneEvent(const uint8_t key,
+                                      const uint16_t time_ms,
+                                      const uint8_t level) {
   if (!audio_configured_) {
     return -1;
   }
   return audio_->SendTelephoneEvent(key, time_ms, level);
 }
 
-bool RTPSender::SendTelephoneEventActive(WebRtc_Word8 *telephone_event) const {
+bool RTPSender::SendTelephoneEventActive(int8_t *telephone_event) const {
   if (!audio_configured_) {
     return false;
   }
   return audio_->SendTelephoneEventActive(*telephone_event);
 }
 
-WebRtc_Word32 RTPSender::SetAudioPacketSize(
-    const WebRtc_UWord16 packet_size_samples) {
+int32_t RTPSender::SetAudioPacketSize(
+    const uint16_t packet_size_samples) {
   if (!audio_configured_) {
     return -1;
   }
   return audio_->SetAudioPacketSize(packet_size_samples);
 }
 
-WebRtc_Word32 RTPSender::SetAudioLevelIndicationStatus(const bool enable,
-                                                       const WebRtc_UWord8 ID) {
+int32_t RTPSender::SetAudioLevelIndicationStatus(const bool enable,
+                                                 const uint8_t ID) {
   if (!audio_configured_) {
     return -1;
   }
   return audio_->SetAudioLevelIndicationStatus(enable, ID);
 }
 
-WebRtc_Word32 RTPSender::AudioLevelIndicationStatus(bool *enable,
-                                                    WebRtc_UWord8* id) const {
+int32_t RTPSender::AudioLevelIndicationStatus(bool *enable,
+                                              uint8_t* id) const {
   return audio_->AudioLevelIndicationStatus(*enable, *id);
 }
 
-WebRtc_Word32 RTPSender::SetAudioLevel(const WebRtc_UWord8 level_d_bov) {
+int32_t RTPSender::SetAudioLevel(const uint8_t level_d_bov) {
   return audio_->SetAudioLevel(level_d_bov);
 }
 
-WebRtc_Word32 RTPSender::SetRED(const WebRtc_Word8 payload_type) {
+int32_t RTPSender::SetRED(const int8_t payload_type) {
   if (!audio_configured_) {
     return -1;
   }
   return audio_->SetRED(payload_type);
 }
 
-WebRtc_Word32 RTPSender::RED(WebRtc_Word8 *payload_type) const {
+int32_t RTPSender::RED(int8_t *payload_type) const {
   if (!audio_configured_) {
     return -1;
   }
@@ -1136,23 +1133,23 @@
   return video_->VideoCodecType();
 }
 
-WebRtc_UWord32 RTPSender::MaxConfiguredBitrateVideo() const {
+uint32_t RTPSender::MaxConfiguredBitrateVideo() const {
   if (audio_configured_) {
     return 0;
   }
   return video_->MaxConfiguredBitrateVideo();
 }
 
-WebRtc_Word32 RTPSender::SendRTPIntraRequest() {
+int32_t RTPSender::SendRTPIntraRequest() {
   if (audio_configured_) {
     return -1;
   }
   return video_->SendRTPIntraRequest();
 }
 
-WebRtc_Word32 RTPSender::SetGenericFECStatus(
-    const bool enable, const WebRtc_UWord8 payload_type_red,
-    const WebRtc_UWord8 payload_type_fec) {
+int32_t RTPSender::SetGenericFECStatus(
+    const bool enable, const uint8_t payload_type_red,
+    const uint8_t payload_type_fec) {
   if (audio_configured_) {
     return -1;
   }
@@ -1160,9 +1157,9 @@
                                      payload_type_fec);
 }
 
-WebRtc_Word32 RTPSender::GenericFECStatus(
-    bool *enable, WebRtc_UWord8 *payload_type_red,
-    WebRtc_UWord8 *payload_type_fec) const {
+int32_t RTPSender::GenericFECStatus(
+    bool *enable, uint8_t *payload_type_red,
+    uint8_t *payload_type_fec) const {
   if (audio_configured_) {
     return -1;
   }
@@ -1170,7 +1167,7 @@
       *enable, *payload_type_red, *payload_type_fec);
 }
 
-WebRtc_Word32 RTPSender::SetFecParameters(
+int32_t RTPSender::SetFecParameters(
     const FecProtectionParams *delta_params,
     const FecProtectionParams *key_params) {
   if (audio_configured_) {
@@ -1179,13 +1176,13 @@
   return video_->SetFecParameters(delta_params, key_params);
 }
 
-void RTPSender::BuildRtxPacket(WebRtc_UWord8* buffer, WebRtc_UWord16* length,
-                               WebRtc_UWord8* buffer_rtx) {
+void RTPSender::BuildRtxPacket(uint8_t* buffer, uint16_t* length,
+                               uint8_t* buffer_rtx) {
   CriticalSectionScoped cs(send_critsect_);
-  WebRtc_UWord8* data_buffer_rtx = buffer_rtx;
+  uint8_t* data_buffer_rtx = buffer_rtx;
   // Add RTX header.
   ModuleRTPUtility::RTPHeaderParser rtp_parser(
-      reinterpret_cast<const WebRtc_UWord8 *>(buffer), *length);
+      reinterpret_cast<const uint8_t *>(buffer), *length);
 
   WebRtcRTPHeader rtp_header;
   rtp_parser.Parse(rtp_header);
@@ -1194,7 +1191,7 @@
   memcpy(data_buffer_rtx, buffer, rtp_header.header.headerLength);
 
   // Replace sequence number.
-  WebRtc_UWord8 *ptr = data_buffer_rtx + 2;
+  uint8_t *ptr = data_buffer_rtx + 2;
   ModuleRTPUtility::AssignUWord16ToBuffer(ptr, sequence_number_rtx_++);
 
   // Replace SSRC.
diff --git a/webrtc/modules/rtp_rtcp/source/rtp_sender.h b/webrtc/modules/rtp_rtcp/source/rtp_sender.h
index b101a3d..b57bcf4 100644
--- a/webrtc/modules/rtp_rtcp/source/rtp_sender.h
+++ b/webrtc/modules/rtp_rtcp/source/rtp_sender.h
@@ -38,55 +38,55 @@
   RTPSenderInterface() {}
   virtual ~RTPSenderInterface() {}
 
-  virtual WebRtc_UWord32 SSRC() const = 0;
-  virtual WebRtc_UWord32 Timestamp() const = 0;
+  virtual uint32_t SSRC() const = 0;
+  virtual uint32_t Timestamp() const = 0;
 
-  virtual WebRtc_Word32 BuildRTPheader(
-      WebRtc_UWord8 *data_buffer, const WebRtc_Word8 payload_type,
-      const bool marker_bit, const WebRtc_UWord32 capture_time_stamp,
+  virtual int32_t BuildRTPheader(
+      uint8_t *data_buffer, const int8_t payload_type,
+      const bool marker_bit, const uint32_t capture_time_stamp,
       const bool time_stamp_provided = true,
       const bool inc_sequence_number = true) = 0;
 
-  virtual WebRtc_UWord16 RTPHeaderLength() const = 0;
-  virtual WebRtc_UWord16 IncrementSequenceNumber() = 0;
-  virtual WebRtc_UWord16 SequenceNumber() const = 0;
-  virtual WebRtc_UWord16 MaxPayloadLength() const = 0;
-  virtual WebRtc_UWord16 MaxDataPayloadLength() const = 0;
-  virtual WebRtc_UWord16 PacketOverHead() const = 0;
-  virtual WebRtc_UWord16 ActualSendBitrateKbit() const = 0;
+  virtual uint16_t RTPHeaderLength() const = 0;
+  virtual uint16_t IncrementSequenceNumber() = 0;
+  virtual uint16_t SequenceNumber() const = 0;
+  virtual uint16_t MaxPayloadLength() const = 0;
+  virtual uint16_t MaxDataPayloadLength() const = 0;
+  virtual uint16_t PacketOverHead() const = 0;
+  virtual uint16_t ActualSendBitrateKbit() const = 0;
 
-  virtual WebRtc_Word32 SendToNetwork(
+  virtual int32_t SendToNetwork(
       uint8_t *data_buffer, int payload_length, int rtp_header_length,
       int64_t capture_time_ms, StorageType storage) = 0;
 };
 
 class RTPSender : public Bitrate, public RTPSenderInterface {
  public:
-  RTPSender(const WebRtc_Word32 id, const bool audio, Clock *clock,
+  RTPSender(const int32_t id, const bool audio, Clock *clock,
             Transport *transport, RtpAudioFeedback *audio_feedback,
             PacedSender *paced_sender);
   virtual ~RTPSender();
 
   void ProcessBitrate();
 
-  WebRtc_UWord16 ActualSendBitrateKbit() const;
+  uint16_t ActualSendBitrateKbit() const;
 
-  WebRtc_UWord32 VideoBitrateSent() const;
-  WebRtc_UWord32 FecOverheadRate() const;
-  WebRtc_UWord32 NackOverheadRate() const;
+  uint32_t VideoBitrateSent() const;
+  uint32_t FecOverheadRate() const;
+  uint32_t NackOverheadRate() const;
 
-  void SetTargetSendBitrate(const WebRtc_UWord32 bits);
+  void SetTargetSendBitrate(const uint32_t bits);
 
-  WebRtc_UWord16 MaxDataPayloadLength() const;  // with RTP and FEC headers.
+  uint16_t MaxDataPayloadLength() const;  // with RTP and FEC headers.
 
-  WebRtc_Word32 RegisterPayload(
+  int32_t RegisterPayload(
       const char payload_name[RTP_PAYLOAD_NAME_SIZE],
-      const WebRtc_Word8 payload_type, const WebRtc_UWord32 frequency,
-      const WebRtc_UWord8 channels, const WebRtc_UWord32 rate);
+      const int8_t payload_type, const uint32_t frequency,
+      const uint8_t channels, const uint32_t rate);
 
-  WebRtc_Word32 DeRegisterSendPayload(const WebRtc_Word8 payload_type);
+  int32_t DeRegisterSendPayload(const int8_t payload_type);
 
-  WebRtc_Word8 SendPayloadType() const;
+  int8_t SendPayloadType() const;
 
   int SendPayloadFrequency() const;
 
@@ -96,63 +96,63 @@
   bool SendingMedia() const;
 
   // Number of sent RTP packets.
-  WebRtc_UWord32 Packets() const;
+  uint32_t Packets() const;
 
   // Number of sent RTP bytes.
-  WebRtc_UWord32 Bytes() const;
+  uint32_t Bytes() const;
 
   void ResetDataCounters();
 
-  WebRtc_UWord32 StartTimestamp() const;
-  void SetStartTimestamp(WebRtc_UWord32 timestamp, bool force);
+  uint32_t StartTimestamp() const;
+  void SetStartTimestamp(uint32_t timestamp, bool force);
 
-  WebRtc_UWord32 GenerateNewSSRC();
-  void SetSSRC(const WebRtc_UWord32 ssrc);
+  uint32_t GenerateNewSSRC();
+  void SetSSRC(const uint32_t ssrc);
 
-  WebRtc_UWord16 SequenceNumber() const;
-  void SetSequenceNumber(WebRtc_UWord16 seq);
+  uint16_t SequenceNumber() const;
+  void SetSequenceNumber(uint16_t seq);
 
-  WebRtc_Word32 CSRCs(WebRtc_UWord32 arr_of_csrc[kRtpCsrcSize]) const;
+  int32_t CSRCs(uint32_t arr_of_csrc[kRtpCsrcSize]) const;
 
   void SetCSRCStatus(const bool include);
 
-  void SetCSRCs(const WebRtc_UWord32 arr_of_csrc[kRtpCsrcSize],
-                const WebRtc_UWord8 arr_length);
+  void SetCSRCs(const uint32_t arr_of_csrc[kRtpCsrcSize],
+                const uint8_t arr_length);
 
-  WebRtc_Word32 SetMaxPayloadLength(const WebRtc_UWord16 length,
-                                    const WebRtc_UWord16 packet_over_head);
+  int32_t SetMaxPayloadLength(const uint16_t length,
+                              const uint16_t packet_over_head);
 
-  WebRtc_Word32 SendOutgoingData(
-      const FrameType frame_type, const WebRtc_Word8 payload_type,
-      const WebRtc_UWord32 time_stamp, int64_t capture_time_ms,
-      const WebRtc_UWord8 *payload_data, const WebRtc_UWord32 payload_size,
+  int32_t SendOutgoingData(
+      const FrameType frame_type, const int8_t payload_type,
+      const uint32_t time_stamp, int64_t capture_time_ms,
+      const uint8_t *payload_data, const uint32_t payload_size,
       const RTPFragmentationHeader *fragmentation,
       VideoCodecInformation *codec_info = NULL,
       const RTPVideoTypeHeader * rtp_type_hdr = NULL);
 
-  WebRtc_Word32 SendPadData(WebRtc_Word8 payload_type,
-                            WebRtc_UWord32 capture_timestamp,
-                            int64_t capture_time_ms, WebRtc_Word32 bytes);
+  int32_t SendPadData(int8_t payload_type,
+                      uint32_t capture_timestamp,
+                      int64_t capture_time_ms, int32_t bytes);
   // RTP header extension
-  WebRtc_Word32 SetTransmissionTimeOffset(
-      const WebRtc_Word32 transmission_time_offset);
+  int32_t SetTransmissionTimeOffset(
+      const int32_t transmission_time_offset);
 
-  WebRtc_Word32 RegisterRtpHeaderExtension(const RTPExtensionType type,
-                                           const WebRtc_UWord8 id);
+  int32_t RegisterRtpHeaderExtension(const RTPExtensionType type,
+                                     const uint8_t id);
 
-  WebRtc_Word32 DeregisterRtpHeaderExtension(const RTPExtensionType type);
+  int32_t DeregisterRtpHeaderExtension(const RTPExtensionType type);
 
-  WebRtc_UWord16 RtpHeaderExtensionTotalLength() const;
+  uint16_t RtpHeaderExtensionTotalLength() const;
 
-  WebRtc_UWord16 BuildRTPHeaderExtension(WebRtc_UWord8 *data_buffer) const;
+  uint16_t BuildRTPHeaderExtension(uint8_t *data_buffer) const;
 
-  WebRtc_UWord8 BuildTransmissionTimeOffsetExtension(
-      WebRtc_UWord8 *data_buffer) const;
+  uint8_t BuildTransmissionTimeOffsetExtension(
+      uint8_t *data_buffer) const;
 
-  bool UpdateTransmissionTimeOffset(WebRtc_UWord8 *rtp_packet,
-                                    const WebRtc_UWord16 rtp_packet_length,
+  bool UpdateTransmissionTimeOffset(uint8_t *rtp_packet,
+                                    const uint16_t rtp_packet_length,
                                     const WebRtcRTPHeader &rtp_header,
-                                    const WebRtc_Word64 time_diff_ms) const;
+                                    const int64_t time_diff_ms) const;
 
   void TimeToSendPacket(uint16_t sequence_number, int64_t capture_time_ms);
 
@@ -160,113 +160,109 @@
   int SelectiveRetransmissions() const;
   int SetSelectiveRetransmissions(uint8_t settings);
   void OnReceivedNACK(const std::list<uint16_t>& nack_sequence_numbers,
-                      const WebRtc_UWord16 avg_rtt);
+                      const uint16_t avg_rtt);
 
   void SetStorePacketsStatus(const bool enable,
-                             const WebRtc_UWord16 number_to_store);
+                             const uint16_t number_to_store);
 
   bool StorePackets() const;
 
-  WebRtc_Word32 ReSendPacket(WebRtc_UWord16 packet_id,
-                             WebRtc_UWord32 min_resend_time = 0);
+  int32_t ReSendPacket(uint16_t packet_id, uint32_t min_resend_time = 0);
 
-  WebRtc_Word32 ReSendToNetwork(const WebRtc_UWord8 *packet,
-                                const WebRtc_UWord32 size);
+  int32_t ReSendToNetwork(const uint8_t *packet, const uint32_t size);
 
-  bool ProcessNACKBitRate(const WebRtc_UWord32 now);
+  bool ProcessNACKBitRate(const uint32_t now);
 
   // RTX.
   void SetRTXStatus(const RtxMode mode, const bool set_ssrc,
-                    const WebRtc_UWord32 SSRC);
+                    const uint32_t SSRC);
 
-  void RTXStatus(RtxMode* mode, WebRtc_UWord32 *SSRC) const;
+  void RTXStatus(RtxMode* mode, uint32_t *SSRC) const;
 
   // Functions wrapping RTPSenderInterface.
-  virtual WebRtc_Word32 BuildRTPheader(
-      WebRtc_UWord8 *data_buffer, const WebRtc_Word8 payload_type,
-      const bool marker_bit, const WebRtc_UWord32 capture_time_stamp,
+  virtual int32_t BuildRTPheader(
+      uint8_t *data_buffer, const int8_t payload_type,
+      const bool marker_bit, const uint32_t capture_time_stamp,
       const bool time_stamp_provided = true,
       const bool inc_sequence_number = true);
 
-  virtual WebRtc_UWord16 RTPHeaderLength() const;
-  virtual WebRtc_UWord16 IncrementSequenceNumber();
-  virtual WebRtc_UWord16 MaxPayloadLength() const;
-  virtual WebRtc_UWord16 PacketOverHead() const;
+  virtual uint16_t RTPHeaderLength() const;
+  virtual uint16_t IncrementSequenceNumber();
+  virtual uint16_t MaxPayloadLength() const;
+  virtual uint16_t PacketOverHead() const;
 
   // Current timestamp.
-  virtual WebRtc_UWord32 Timestamp() const;
-  virtual WebRtc_UWord32 SSRC() const;
+  virtual uint32_t Timestamp() const;
+  virtual uint32_t SSRC() const;
 
-  virtual WebRtc_Word32 SendToNetwork(
+  virtual int32_t SendToNetwork(
       uint8_t *data_buffer, int payload_length, int rtp_header_length,
       int64_t capture_time_ms, StorageType storage);
 
   // Audio.
 
   // Send a DTMF tone using RFC 2833 (4733).
-  WebRtc_Word32 SendTelephoneEvent(const WebRtc_UWord8 key,
-                                   const WebRtc_UWord16 time_ms,
-                                   const WebRtc_UWord8 level);
+  int32_t SendTelephoneEvent(const uint8_t key,
+                             const uint16_t time_ms,
+                             const uint8_t level);
 
-  bool SendTelephoneEventActive(WebRtc_Word8 *telephone_event) const;
+  bool SendTelephoneEventActive(int8_t *telephone_event) const;
 
   // Set audio packet size, used to determine when it's time to send a DTMF
   // packet in silence (CNG).
-  WebRtc_Word32 SetAudioPacketSize(const WebRtc_UWord16 packet_size_samples);
+  int32_t SetAudioPacketSize(const uint16_t packet_size_samples);
 
   // Set status and ID for header-extension-for-audio-level-indication.
-  WebRtc_Word32 SetAudioLevelIndicationStatus(const bool enable,
-                                              const WebRtc_UWord8 ID);
+  int32_t SetAudioLevelIndicationStatus(const bool enable, const uint8_t ID);
 
   // Get status and ID for header-extension-for-audio-level-indication.
-  WebRtc_Word32 AudioLevelIndicationStatus(bool *enable,
-                                           WebRtc_UWord8 *id) const;
+  int32_t AudioLevelIndicationStatus(bool *enable, uint8_t *id) const;
 
   // Store the audio level in d_bov for
   // header-extension-for-audio-level-indication.
-  WebRtc_Word32 SetAudioLevel(const WebRtc_UWord8 level_d_bov);
+  int32_t SetAudioLevel(const uint8_t level_d_bov);
 
   // Set payload type for Redundant Audio Data RFC 2198.
-  WebRtc_Word32 SetRED(const WebRtc_Word8 payload_type);
+  int32_t SetRED(const int8_t payload_type);
 
   // Get payload type for Redundant Audio Data RFC 2198.
-  WebRtc_Word32 RED(WebRtc_Word8 *payload_type) const;
+  int32_t RED(int8_t *payload_type) const;
 
   // Video.
   VideoCodecInformation *CodecInformationVideo();
 
   RtpVideoCodecTypes VideoCodecType() const;
 
-  WebRtc_UWord32 MaxConfiguredBitrateVideo() const;
+  uint32_t MaxConfiguredBitrateVideo() const;
 
-  WebRtc_Word32 SendRTPIntraRequest();
+  int32_t SendRTPIntraRequest();
 
   // FEC.
-  WebRtc_Word32 SetGenericFECStatus(const bool enable,
-                                    const WebRtc_UWord8 payload_type_red,
-                                    const WebRtc_UWord8 payload_type_fec);
+  int32_t SetGenericFECStatus(const bool enable,
+                              const uint8_t payload_type_red,
+                              const uint8_t payload_type_fec);
 
-  WebRtc_Word32 GenericFECStatus(bool *enable, WebRtc_UWord8 *payload_type_red,
-                                 WebRtc_UWord8 *payload_type_fec) const;
+  int32_t GenericFECStatus(bool *enable, uint8_t *payload_type_red,
+                           uint8_t *payload_type_fec) const;
 
-  WebRtc_Word32 SetFecParameters(const FecProtectionParams *delta_params,
-                                 const FecProtectionParams *key_params);
+  int32_t SetFecParameters(const FecProtectionParams *delta_params,
+                           const FecProtectionParams *key_params);
 
  protected:
-  WebRtc_Word32 CheckPayloadType(const WebRtc_Word8 payload_type,
-                                 RtpVideoCodecTypes *video_type);
+  int32_t CheckPayloadType(const int8_t payload_type,
+                           RtpVideoCodecTypes *video_type);
 
  private:
-  void UpdateNACKBitRate(const WebRtc_UWord32 bytes, const WebRtc_UWord32 now);
+  void UpdateNACKBitRate(const uint32_t bytes, const uint32_t now);
 
-  WebRtc_Word32 SendPaddingAccordingToBitrate(WebRtc_Word8 payload_type,
-                                              WebRtc_UWord32 capture_timestamp,
-                                              int64_t capture_time_ms);
+  int32_t SendPaddingAccordingToBitrate(int8_t payload_type,
+                                        uint32_t capture_timestamp,
+                                        int64_t capture_time_ms);
 
-  void BuildRtxPacket(WebRtc_UWord8* buffer, WebRtc_UWord16* length,
-                      WebRtc_UWord8* buffer_rtx);
+  void BuildRtxPacket(uint8_t* buffer, uint16_t* length,
+                      uint8_t* buffer_rtx);
 
-  WebRtc_Word32 id_;
+  int32_t id_;
   const bool audio_configured_;
   RTPSenderAudio *audio_;
   RTPSenderVideo *video_;
@@ -277,43 +273,43 @@
   Transport *transport_;
   bool sending_media_;
 
-  WebRtc_UWord16 max_payload_length_;
-  WebRtc_UWord16 target_send_bitrate_;
-  WebRtc_UWord16 packet_over_head_;
+  uint16_t max_payload_length_;
+  uint16_t target_send_bitrate_;
+  uint16_t packet_over_head_;
 
-  WebRtc_Word8 payload_type_;
-  std::map<WebRtc_Word8, ModuleRTPUtility::Payload *> payload_type_map_;
+  int8_t payload_type_;
+  std::map<int8_t, ModuleRTPUtility::Payload *> payload_type_map_;
 
   RtpHeaderExtensionMap rtp_header_extension_map_;
-  WebRtc_Word32 transmission_time_offset_;
+  int32_t transmission_time_offset_;
 
   // NACK
-  WebRtc_UWord32 nack_byte_count_times_[NACK_BYTECOUNT_SIZE];
-  WebRtc_Word32 nack_byte_count_[NACK_BYTECOUNT_SIZE];
+  uint32_t nack_byte_count_times_[NACK_BYTECOUNT_SIZE];
+  int32_t nack_byte_count_[NACK_BYTECOUNT_SIZE];
   Bitrate nack_bitrate_;
 
   RTPPacketHistory *packet_history_;
 
   // Statistics
-  WebRtc_UWord32 packets_sent_;
-  WebRtc_UWord32 payload_bytes_sent_;
+  uint32_t packets_sent_;
+  uint32_t payload_bytes_sent_;
 
   // RTP variables
   bool start_time_stamp_forced_;
-  WebRtc_UWord32 start_time_stamp_;
+  uint32_t start_time_stamp_;
   SSRCDatabase &ssrc_db_;
-  WebRtc_UWord32 remote_ssrc_;
+  uint32_t remote_ssrc_;
   bool sequence_number_forced_;
-  WebRtc_UWord16 sequence_number_;
-  WebRtc_UWord16 sequence_number_rtx_;
+  uint16_t sequence_number_;
+  uint16_t sequence_number_rtx_;
   bool ssrc_forced_;
-  WebRtc_UWord32 ssrc_;
-  WebRtc_UWord32 time_stamp_;
-  WebRtc_UWord8 csrcs_;
-  WebRtc_UWord32 csrc_[kRtpCsrcSize];
+  uint32_t ssrc_;
+  uint32_t time_stamp_;
+  uint8_t csrcs_;
+  uint32_t csrc_[kRtpCsrcSize];
   bool include_csrcs_;
   RtxMode rtx_;
-  WebRtc_UWord32 ssrc_rtx_;
+  uint32_t ssrc_rtx_;
 };
 
 }  // namespace webrtc
diff --git a/webrtc/modules/rtp_rtcp/source/rtp_sender_audio.cc b/webrtc/modules/rtp_rtcp/source/rtp_sender_audio.cc
index 34f650f..8589874 100644
--- a/webrtc/modules/rtp_rtcp/source/rtp_sender_audio.cc
+++ b/webrtc/modules/rtp_rtcp/source/rtp_sender_audio.cc
@@ -14,7 +14,7 @@
 #include <cassert> //assert
 
 namespace webrtc {
-RTPSenderAudio::RTPSenderAudio(const WebRtc_Word32 id, Clock* clock,
+RTPSenderAudio::RTPSenderAudio(const int32_t id, Clock* clock,
                                RTPSenderInterface* rtpSender) :
     _id(id),
     _clock(clock),
@@ -51,7 +51,7 @@
     delete _audioFeedbackCritsect;
 }
 
-WebRtc_Word32
+int32_t
 RTPSenderAudio::RegisterAudioCallback(RtpAudioFeedback* messagesCallback)
 {
     CriticalSectionScoped cs(_audioFeedbackCritsect);
@@ -60,7 +60,7 @@
 }
 
 void
-RTPSenderAudio::SetAudioFrequency(const WebRtc_UWord32 f)
+RTPSenderAudio::SetAudioFrequency(const uint32_t f)
 {
     CriticalSectionScoped cs(_sendAudioCritsect);
     _frequency = f;
@@ -74,8 +74,8 @@
 }
 
     // set audio packet size, used to determine when it's time to send a DTMF packet in silence (CNG)
-WebRtc_Word32
-RTPSenderAudio::SetAudioPacketSize(const WebRtc_UWord16 packetSizeSamples)
+int32_t
+RTPSenderAudio::SetAudioPacketSize(const uint16_t packetSizeSamples)
 {
     CriticalSectionScoped cs(_sendAudioCritsect);
 
@@ -83,12 +83,12 @@
     return 0;
 }
 
-WebRtc_Word32 RTPSenderAudio::RegisterAudioPayload(
+int32_t RTPSenderAudio::RegisterAudioPayload(
     const char payloadName[RTP_PAYLOAD_NAME_SIZE],
-    const WebRtc_Word8 payloadType,
-    const WebRtc_UWord32 frequency,
-    const WebRtc_UWord8 channels,
-    const WebRtc_UWord32 rate,
+    const int8_t payloadType,
+    const uint32_t frequency,
+    const uint8_t channels,
+    const uint32_t rate,
     ModuleRTPUtility::Payload*& payload) {
   CriticalSectionScoped cs(_sendAudioCritsect);
 
@@ -129,7 +129,7 @@
 
 bool
 RTPSenderAudio::MarkerBit(const FrameType frameType,
-                          const WebRtc_Word8 payloadType)
+                          const int8_t payloadType)
 {
     CriticalSectionScoped cs(_sendAudioCritsect);
 
@@ -210,14 +210,14 @@
 }
 
 bool
-RTPSenderAudio::SendTelephoneEventActive(WebRtc_Word8& telephoneEvent) const
+RTPSenderAudio::SendTelephoneEventActive(int8_t& telephoneEvent) const
 {
     if(_dtmfEventIsOn)
     {
         telephoneEvent = _dtmfKey;
         return true;
     }
-    WebRtc_Word64 delaySinceLastDTMF = _clock->TimeInMilliseconds() -
+    int64_t delaySinceLastDTMF = _clock->TimeInMilliseconds() -
         _dtmfTimeLastSent;
     if(delaySinceLastDTMF < 100)
     {
@@ -228,25 +228,25 @@
     return false;
 }
 
-WebRtc_Word32 RTPSenderAudio::SendAudio(
+int32_t RTPSenderAudio::SendAudio(
     const FrameType frameType,
-    const WebRtc_Word8 payloadType,
-    const WebRtc_UWord32 captureTimeStamp,
-    const WebRtc_UWord8* payloadData,
-    const WebRtc_UWord32 dataSize,
+    const int8_t payloadType,
+    const uint32_t captureTimeStamp,
+    const uint8_t* payloadData,
+    const uint32_t dataSize,
     const RTPFragmentationHeader* fragmentation) {
   // TODO(pwestin) Breakup function in smaller functions.
-  WebRtc_UWord16 payloadSize = static_cast<WebRtc_UWord16>(dataSize);
-  WebRtc_UWord16 maxPayloadLength = _rtpSender->MaxPayloadLength();
+  uint16_t payloadSize = static_cast<uint16_t>(dataSize);
+  uint16_t maxPayloadLength = _rtpSender->MaxPayloadLength();
   bool dtmfToneStarted = false;
-  WebRtc_UWord16 dtmfLengthMS = 0;
-  WebRtc_UWord8 key = 0;
+  uint16_t dtmfLengthMS = 0;
+  uint8_t key = 0;
 
   // Check if we have pending DTMFs to send
   if (!_dtmfEventIsOn && PendingDTMF()) {
     CriticalSectionScoped cs(_sendAudioCritsect);
 
-    WebRtc_Word64 delaySinceLastDTMF = _clock->TimeInMilliseconds() -
+    int64_t delaySinceLastDTMF = _clock->TimeInMilliseconds() -
         _dtmfTimeLastSent;
 
     if (delaySinceLastDTMF > 100) {
@@ -285,7 +285,7 @@
         }
       }
       _dtmfTimestampLastSent = captureTimeStamp;
-      WebRtc_UWord32 dtmfDurationSamples = captureTimeStamp - _dtmfTimestamp;
+      uint32_t dtmfDurationSamples = captureTimeStamp - _dtmfTimestamp;
       bool ended = false;
       bool send = true;
 
@@ -305,7 +305,7 @@
         if (dtmfDurationSamples > 0xffff) {
           // RFC 4733 2.5.2.3 Long-Duration Events
           SendTelephoneEventPacket(ended, _dtmfTimestamp,
-                                   static_cast<WebRtc_UWord16>(0xffff), false);
+                                   static_cast<uint16_t>(0xffff), false);
 
           // set new timestap for this segment
           _dtmfTimestamp = captureTimeStamp;
@@ -315,7 +315,7 @@
           return SendTelephoneEventPacket(
               ended,
               _dtmfTimestamp,
-              static_cast<WebRtc_UWord16>(dtmfDurationSamples),
+              static_cast<uint16_t>(dtmfDurationSamples),
               false);
         } else {
           // set markerBit on the first packet in the burst
@@ -323,7 +323,7 @@
           return SendTelephoneEventPacket(
               ended,
               _dtmfTimestamp,
-              static_cast<WebRtc_UWord16>(dtmfDurationSamples),
+              static_cast<uint16_t>(dtmfDurationSamples),
               !_dtmfEventFirstPacketSent);
         }
       }
@@ -339,21 +339,21 @@
     }
     return -1;
   }
-  WebRtc_UWord8 dataBuffer[IP_PACKET_SIZE];
+  uint8_t dataBuffer[IP_PACKET_SIZE];
   bool markerBit = MarkerBit(frameType, payloadType);
 
-  WebRtc_Word32 rtpHeaderLength = 0;
-  WebRtc_UWord16 timestampOffset = 0;
+  int32_t rtpHeaderLength = 0;
+  uint16_t timestampOffset = 0;
 
   if (_REDPayloadType >= 0 && fragmentation && !markerBit &&
       fragmentation->fragmentationVectorSize > 1) {
     // have we configured RED? use its payload type
     // we need to get the current timestamp to calc the diff
-    WebRtc_UWord32 oldTimeStamp = _rtpSender->Timestamp();
+    uint32_t oldTimeStamp = _rtpSender->Timestamp();
     rtpHeaderLength = _rtpSender->BuildRTPheader(dataBuffer, _REDPayloadType,
                                                  markerBit, captureTimeStamp);
 
-    timestampOffset = WebRtc_UWord16(_rtpSender->Timestamp() - oldTimeStamp);
+    timestampOffset = uint16_t(_rtpSender->Timestamp() - oldTimeStamp);
   } else {
     rtpHeaderLength = _rtpSender->BuildRTPheader(dataBuffer, payloadType,
                                                  markerBit, captureTimeStamp);
@@ -382,19 +382,19 @@
       rtpHeaderLength += 2;
 
       // add the length (length=1) in number of word32
-      const WebRtc_UWord8 length = 1;
+      const uint8_t length = 1;
       ModuleRTPUtility::AssignUWord16ToBuffer(dataBuffer+rtpHeaderLength,
                                               length);
       rtpHeaderLength += 2;
 
       // add ID (defined by the user) and len(=0) byte
-      const WebRtc_UWord8 id = _audioLevelIndicationID;
-      const WebRtc_UWord8 len = 0;
+      const uint8_t id = _audioLevelIndicationID;
+      const uint8_t len = 0;
       dataBuffer[rtpHeaderLength++] = (id << 4) + len;
 
       // add voice-activity flag (V) bit and the audio level (in dBov)
-      const WebRtc_UWord8 V = (frameType == kAudioFrameSpeech);
-      WebRtc_UWord8 level = _audioLevel_dBov;
+      const uint8_t V = (frameType == kAudioFrameSpeech);
+      uint8_t level = _audioLevel_dBov;
       dataBuffer[rtpHeaderLength++] = (V << 7) + level;
 
       // add two bytes zero padding
@@ -419,13 +419,13 @@
         // only 0x80 if we have multiple blocks
         dataBuffer[rtpHeaderLength++] = 0x80 +
             fragmentation->fragmentationPlType[1];
-        WebRtc_UWord32 blockLength = fragmentation->fragmentationLength[1];
+        uint32_t blockLength = fragmentation->fragmentationLength[1];
 
         // sanity blockLength
         if(blockLength > 0x3ff) {  // block length 10 bits 1023 bytes
           return -1;
         }
-        WebRtc_UWord32 REDheader = (timestampOffset << 10) + blockLength;
+        uint32_t REDheader = (timestampOffset << 10) + blockLength;
         ModuleRTPUtility::AssignUWord24ToBuffer(dataBuffer + rtpHeaderLength,
                                                 REDheader);
         rtpHeaderLength += 3;
@@ -442,7 +442,7 @@
                payloadData + fragmentation->fragmentationOffset[0],
                fragmentation->fragmentationLength[0]);
 
-        payloadSize = static_cast<WebRtc_UWord16>(
+        payloadSize = static_cast<uint16_t>(
             fragmentation->fragmentationLength[0] +
             fragmentation->fragmentationLength[1]);
       } else {
@@ -452,7 +452,7 @@
                payloadData + fragmentation->fragmentationOffset[0],
                fragmentation->fragmentationLength[0]);
 
-        payloadSize = static_cast<WebRtc_UWord16>(
+        payloadSize = static_cast<uint16_t>(
             fragmentation->fragmentationLength[0]);
       }
     } else {
@@ -463,7 +463,7 @@
                 payloadData + fragmentation->fragmentationOffset[0],
                 fragmentation->fragmentationLength[0]);
 
-        payloadSize = static_cast<WebRtc_UWord16>(
+        payloadSize = static_cast<uint16_t>(
             fragmentation->fragmentationLength[0]);
       } else {
         memcpy(dataBuffer+rtpHeaderLength, payloadData, payloadSize);
@@ -473,14 +473,14 @@
   }   // end critical section
   return _rtpSender->SendToNetwork(dataBuffer,
                                    payloadSize,
-                                   static_cast<WebRtc_UWord16>(rtpHeaderLength),
+                                   static_cast<uint16_t>(rtpHeaderLength),
                                    -1,
                                    kAllowRetransmission);
 }
 
-WebRtc_Word32
+int32_t
 RTPSenderAudio::SetAudioLevelIndicationStatus(const bool enable,
-                                              const WebRtc_UWord8 ID)
+                                              const uint8_t ID)
 {
     if(ID < 1 || ID > 14)
     {
@@ -494,9 +494,9 @@
     return 0;
 }
 
-WebRtc_Word32
+int32_t
 RTPSenderAudio::AudioLevelIndicationStatus(bool& enable,
-                                           WebRtc_UWord8& ID) const
+                                           uint8_t& ID) const
 {
     CriticalSectionScoped cs(_sendAudioCritsect);
     enable = _includeAudioLevelIndication;
@@ -505,8 +505,8 @@
 }
 
     // Audio level magnitude and voice activity flag are set for each RTP packet
-WebRtc_Word32
-RTPSenderAudio::SetAudioLevel(const WebRtc_UWord8 level_dBov)
+int32_t
+RTPSenderAudio::SetAudioLevel(const uint8_t level_dBov)
 {
     if (level_dBov > 127)
     {
@@ -518,8 +518,8 @@
 }
 
     // Set payload type for Redundant Audio Data RFC 2198
-WebRtc_Word32
-RTPSenderAudio::SetRED(const WebRtc_Word8 payloadType)
+int32_t
+RTPSenderAudio::SetRED(const int8_t payloadType)
 {
     if(payloadType < -1 )
     {
@@ -530,8 +530,8 @@
 }
 
     // Get payload type for Redundant Audio Data RFC 2198
-WebRtc_Word32
-RTPSenderAudio::RED(WebRtc_Word8& payloadType) const
+int32_t
+RTPSenderAudio::RED(int8_t& payloadType) const
 {
     if(_REDPayloadType == -1)
     {
@@ -543,10 +543,10 @@
 }
 
 // Send a TelephoneEvent tone using RFC 2833 (4733)
-WebRtc_Word32
-RTPSenderAudio::SendTelephoneEvent(const WebRtc_UWord8 key,
-                                   const WebRtc_UWord16 time_ms,
-                                   const WebRtc_UWord8 level)
+int32_t
+RTPSenderAudio::SendTelephoneEvent(const uint8_t key,
+                                   const uint16_t time_ms,
+                                   const uint8_t level)
 {
     // DTMF is protected by its own critsect
     if(_dtmfPayloadType < 0)
@@ -557,15 +557,15 @@
     return AddDTMF(key, time_ms, level);
 }
 
-WebRtc_Word32
+int32_t
 RTPSenderAudio::SendTelephoneEventPacket(const bool ended,
-                                         const WebRtc_UWord32 dtmfTimeStamp,
-                                         const WebRtc_UWord16 duration,
+                                         const uint32_t dtmfTimeStamp,
+                                         const uint16_t duration,
                                          const bool markerBit)
 {
-    WebRtc_UWord8 dtmfbuffer[IP_PACKET_SIZE];
-    WebRtc_UWord8 sendCount = 1;
-    WebRtc_Word32 retVal = 0;
+    uint8_t dtmfbuffer[IP_PACKET_SIZE];
+    uint8_t sendCount = 1;
+    int32_t retVal = 0;
 
     if(ended)
     {
@@ -592,11 +592,11 @@
         +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
         */
         // R bit always cleared
-        WebRtc_UWord8 R = 0x00;
-        WebRtc_UWord8 volume = _dtmfLevel;
+        uint8_t R = 0x00;
+        uint8_t volume = _dtmfLevel;
 
         // First packet un-ended
-          WebRtc_UWord8 E = 0x00;
+          uint8_t E = 0x00;
 
         if(ended)
         {
diff --git a/webrtc/modules/rtp_rtcp/source/rtp_sender_audio.h b/webrtc/modules/rtp_rtcp/source/rtp_sender_audio.h
index 535c0d0..c7b3672 100644
--- a/webrtc/modules/rtp_rtcp/source/rtp_sender_audio.h
+++ b/webrtc/modules/rtp_rtcp/source/rtp_sender_audio.h
@@ -24,71 +24,69 @@
 class RTPSenderAudio: public DTMFqueue
 {
 public:
-    RTPSenderAudio(const WebRtc_Word32 id, Clock* clock,
+    RTPSenderAudio(const int32_t id, Clock* clock,
                    RTPSenderInterface* rtpSender);
     virtual ~RTPSenderAudio();
 
-    WebRtc_Word32 RegisterAudioPayload(
+    int32_t RegisterAudioPayload(
         const char payloadName[RTP_PAYLOAD_NAME_SIZE],
-        const WebRtc_Word8 payloadType,
-        const WebRtc_UWord32 frequency,
-        const WebRtc_UWord8 channels,
-        const WebRtc_UWord32 rate,
+        const int8_t payloadType,
+        const uint32_t frequency,
+        const uint8_t channels,
+        const uint32_t rate,
         ModuleRTPUtility::Payload*& payload);
 
-    WebRtc_Word32 SendAudio(const FrameType frameType,
-                            const WebRtc_Word8 payloadType,
-                            const WebRtc_UWord32 captureTimeStamp,
-                            const WebRtc_UWord8* payloadData,
-                            const WebRtc_UWord32 payloadSize,
-                            const RTPFragmentationHeader* fragmentation);
+    int32_t SendAudio(const FrameType frameType,
+                      const int8_t payloadType,
+                      const uint32_t captureTimeStamp,
+                      const uint8_t* payloadData,
+                      const uint32_t payloadSize,
+                      const RTPFragmentationHeader* fragmentation);
 
     // set audio packet size, used to determine when it's time to send a DTMF packet in silence (CNG)
-    WebRtc_Word32 SetAudioPacketSize(const WebRtc_UWord16 packetSizeSamples);
+    int32_t SetAudioPacketSize(const uint16_t packetSizeSamples);
 
     // Set status and ID for header-extension-for-audio-level-indication.
     // Valid ID range is [1,14].
-    WebRtc_Word32 SetAudioLevelIndicationStatus(const bool enable,
-                                              const WebRtc_UWord8 ID);
+    int32_t SetAudioLevelIndicationStatus(const bool enable, const uint8_t ID);
 
     // Get status and ID for header-extension-for-audio-level-indication.
-    WebRtc_Word32 AudioLevelIndicationStatus(bool& enable,
-                                           WebRtc_UWord8& ID) const;
+    int32_t AudioLevelIndicationStatus(bool& enable, uint8_t& ID) const;
 
     // Store the audio level in dBov for header-extension-for-audio-level-indication.
     // Valid range is [0,100]. Actual value is negative.
-    WebRtc_Word32 SetAudioLevel(const WebRtc_UWord8 level_dBov);
+    int32_t SetAudioLevel(const uint8_t level_dBov);
 
     // Send a DTMF tone using RFC 2833 (4733)
-      WebRtc_Word32 SendTelephoneEvent(const WebRtc_UWord8 key,
-                                   const WebRtc_UWord16 time_ms,
-                                   const WebRtc_UWord8 level);
+      int32_t SendTelephoneEvent(const uint8_t key,
+                                 const uint16_t time_ms,
+                                 const uint8_t level);
 
-    bool SendTelephoneEventActive(WebRtc_Word8& telephoneEvent) const;
+    bool SendTelephoneEventActive(int8_t& telephoneEvent) const;
 
-    void SetAudioFrequency(const WebRtc_UWord32 f);
+    void SetAudioFrequency(const uint32_t f);
 
     int AudioFrequency() const;
 
     // Set payload type for Redundant Audio Data RFC 2198
-    WebRtc_Word32 SetRED(const WebRtc_Word8 payloadType);
+    int32_t SetRED(const int8_t payloadType);
 
     // Get payload type for Redundant Audio Data RFC 2198
-    WebRtc_Word32 RED(WebRtc_Word8& payloadType) const;
+    int32_t RED(int8_t& payloadType) const;
 
-    WebRtc_Word32 RegisterAudioCallback(RtpAudioFeedback* messagesCallback);
+    int32_t RegisterAudioCallback(RtpAudioFeedback* messagesCallback);
 
 protected:
-    WebRtc_Word32 SendTelephoneEventPacket(const bool ended,
-                                         const WebRtc_UWord32 dtmfTimeStamp,
-                                         const WebRtc_UWord16 duration,
-                                         const bool markerBit); // set on first packet in talk burst
+    int32_t SendTelephoneEventPacket(const bool ended,
+                                     const uint32_t dtmfTimeStamp,
+                                     const uint16_t duration,
+                                     const bool markerBit); // set on first packet in talk burst
 
     bool MarkerBit(const FrameType frameType,
-                   const WebRtc_Word8 payloadType);
+                   const int8_t payloadType);
 
 private:
-    WebRtc_Word32             _id;
+    int32_t             _id;
     Clock*                    _clock;
     RTPSenderInterface*       _rtpSender;
     CriticalSectionWrapper*   _audioFeedbackCritsect;
@@ -96,34 +94,34 @@
 
     CriticalSectionWrapper*   _sendAudioCritsect;
 
-    WebRtc_UWord32            _frequency;
-    WebRtc_UWord16            _packetSizeSamples;
+    uint32_t            _frequency;
+    uint16_t            _packetSizeSamples;
 
     // DTMF
     bool              _dtmfEventIsOn;
     bool              _dtmfEventFirstPacketSent;
-    WebRtc_Word8      _dtmfPayloadType;
-    WebRtc_UWord32    _dtmfTimestamp;
-    WebRtc_UWord8     _dtmfKey;
-    WebRtc_UWord32    _dtmfLengthSamples;
-    WebRtc_UWord8     _dtmfLevel;
-    WebRtc_Word64     _dtmfTimeLastSent;
-    WebRtc_UWord32    _dtmfTimestampLastSent;
+    int8_t      _dtmfPayloadType;
+    uint32_t    _dtmfTimestamp;
+    uint8_t     _dtmfKey;
+    uint32_t    _dtmfLengthSamples;
+    uint8_t     _dtmfLevel;
+    int64_t     _dtmfTimeLastSent;
+    uint32_t    _dtmfTimestampLastSent;
 
-    WebRtc_Word8      _REDPayloadType;
+    int8_t      _REDPayloadType;
 
     // VAD detection, used for markerbit
     bool              _inbandVADactive;
-    WebRtc_Word8      _cngNBPayloadType;
-    WebRtc_Word8      _cngWBPayloadType;
-    WebRtc_Word8      _cngSWBPayloadType;
-    WebRtc_Word8      _cngFBPayloadType;
-    WebRtc_Word8      _lastPayloadType;
+    int8_t      _cngNBPayloadType;
+    int8_t      _cngWBPayloadType;
+    int8_t      _cngSWBPayloadType;
+    int8_t      _cngFBPayloadType;
+    int8_t      _lastPayloadType;
 
     // Audio level indication (https://datatracker.ietf.org/doc/draft-lennox-avt-rtp-audio-level-exthdr/)
     bool            _includeAudioLevelIndication;
-    WebRtc_UWord8     _audioLevelIndicationID;
-    WebRtc_UWord8     _audioLevel_dBov;
+    uint8_t     _audioLevelIndicationID;
+    uint8_t     _audioLevel_dBov;
 };
 } // namespace webrtc
 
diff --git a/webrtc/modules/rtp_rtcp/source/rtp_sender_unittest.cc b/webrtc/modules/rtp_rtcp/source/rtp_sender_unittest.cc
index 4d38bec..2c22201 100644
--- a/webrtc/modules/rtp_rtcp/source/rtp_sender_unittest.cc
+++ b/webrtc/modules/rtp_rtcp/source/rtp_sender_unittest.cc
@@ -92,10 +92,10 @@
 }
 
 TEST_F(RtpSenderTest, BuildRTPPacket) {
-  WebRtc_Word32 length = rtp_sender_->BuildRTPheader(packet_,
-                                                     kPayload,
-                                                     kMarkerBit,
-                                                     kTimestamp);
+  int32_t length = rtp_sender_->BuildRTPheader(packet_,
+                                               kPayload,
+                                               kMarkerBit,
+                                               kTimestamp);
   EXPECT_EQ(12, length);
 
   // Verify
@@ -117,10 +117,10 @@
   EXPECT_EQ(0, rtp_sender_->SetTransmissionTimeOffset(kTimeOffset));
   EXPECT_EQ(0, rtp_sender_->RegisterRtpHeaderExtension(kType, kId));
 
-  WebRtc_Word32 length = rtp_sender_->BuildRTPheader(packet_,
-                                                     kPayload,
-                                                     kMarkerBit,
-                                                     kTimestamp);
+  int32_t length = rtp_sender_->BuildRTPheader(packet_,
+                                               kPayload,
+                                               kMarkerBit,
+                                               kTimestamp);
   EXPECT_EQ(12 + rtp_sender_->RtpHeaderExtensionTotalLength(), length);
 
   // Verify
@@ -152,10 +152,10 @@
   EXPECT_EQ(0, rtp_sender_->SetTransmissionTimeOffset(kNegTimeOffset));
   EXPECT_EQ(0, rtp_sender_->RegisterRtpHeaderExtension(kType, kId));
 
-  WebRtc_Word32 length = rtp_sender_->BuildRTPheader(packet_,
-                                                     kPayload,
-                                                     kMarkerBit,
-                                                     kTimestamp);
+  int32_t length = rtp_sender_->BuildRTPheader(packet_,
+                                               kPayload,
+                                               kMarkerBit,
+                                               kTimestamp);
   EXPECT_EQ(12 + rtp_sender_->RtpHeaderExtensionTotalLength(), length);
 
   // Verify
@@ -174,10 +174,10 @@
 }
 
 TEST_F(RtpSenderTest, NoTrafficSmoothing) {
-  WebRtc_Word32 rtp_length = rtp_sender_->BuildRTPheader(packet_,
-                                                         kPayload,
-                                                         kMarkerBit,
-                                                         kTimestamp);
+  int32_t rtp_length = rtp_sender_->BuildRTPheader(packet_,
+                                                   kPayload,
+                                                   kMarkerBit,
+                                                   kTimestamp);
 
   // Packet should be sent immediately.
   EXPECT_EQ(0, rtp_sender_->SendToNetwork(packet_,
@@ -194,10 +194,10 @@
   rtp_sender_->SetStorePacketsStatus(true, 10);
   EXPECT_EQ(0, rtp_sender_->RegisterRtpHeaderExtension(kType, kId));
   rtp_sender_->SetTargetSendBitrate(300000);
-  WebRtc_Word32 rtp_length = rtp_sender_->BuildRTPheader(packet_,
-                                                         kPayload,
-                                                         kMarkerBit,
-                                                         kTimestamp);
+  int32_t rtp_length = rtp_sender_->BuildRTPheader(packet_,
+                                                   kPayload,
+                                                   kMarkerBit,
+                                                   kTimestamp);
   // Packet should be stored in a send bucket.
   EXPECT_EQ(0, rtp_sender_->SendToNetwork(packet_,
                                           0,
diff --git a/webrtc/modules/rtp_rtcp/source/rtp_sender_video.cc b/webrtc/modules/rtp_rtcp/source/rtp_sender_video.cc
index 59d4403..034b3df 100644
--- a/webrtc/modules/rtp_rtcp/source/rtp_sender_video.cc
+++ b/webrtc/modules/rtp_rtcp/source/rtp_sender_video.cc
@@ -27,11 +27,11 @@
 enum { REDForFECHeaderLength = 1 };
 
 struct RtpPacket {
-  WebRtc_UWord16 rtpHeaderLength;
+  uint16_t rtpHeaderLength;
   ForwardErrorCorrection::Packet* pkt;
 };
 
-RTPSenderVideo::RTPSenderVideo(const WebRtc_Word32 id,
+RTPSenderVideo::RTPSenderVideo(const int32_t id,
                                Clock* clock,
                                RTPSenderInterface* rtpSender) :
     _id(id),
@@ -83,10 +83,10 @@
     return _videoType;
 }
 
-WebRtc_Word32 RTPSenderVideo::RegisterVideoPayload(
+int32_t RTPSenderVideo::RegisterVideoPayload(
     const char payloadName[RTP_PAYLOAD_NAME_SIZE],
-    const WebRtc_Word8 payloadType,
-    const WebRtc_UWord32 maxBitRate,
+    const int8_t payloadType,
+    const uint32_t maxBitRate,
     ModuleRTPUtility::Payload*& payload) {
   CriticalSectionScoped cs(_sendVideoCritsect);
 
@@ -107,10 +107,10 @@
   return 0;
 }
 
-WebRtc_Word32
-RTPSenderVideo::SendVideoPacket(WebRtc_UWord8* data_buffer,
-                                const WebRtc_UWord16 payload_length,
-                                const WebRtc_UWord16 rtp_header_length,
+int32_t
+RTPSenderVideo::SendVideoPacket(uint8_t* data_buffer,
+                                const uint16_t payload_length,
+                                const uint16_t rtp_header_length,
                                 int64_t capture_time_ms,
                                 StorageType storage,
                                 bool protect) {
@@ -188,14 +188,14 @@
   return ret;
 }
 
-WebRtc_Word32
+int32_t
 RTPSenderVideo::SendRTPIntraRequest()
 {
     // RFC 2032
     // 5.2.1.  Full intra-frame Request (FIR) packet
 
-    WebRtc_UWord16 length = 8;
-    WebRtc_UWord8 data[8];
+    uint16_t length = 8;
+    uint8_t data[8];
     data[0] = 0x80;
     data[1] = 192;
     data[2] = 0;
@@ -206,10 +206,10 @@
     return _rtpSender.SendToNetwork(data, 0, length, -1, kDontStore);
 }
 
-WebRtc_Word32
+int32_t
 RTPSenderVideo::SetGenericFECStatus(const bool enable,
-                                    const WebRtc_UWord8 payloadTypeRED,
-                                    const WebRtc_UWord8 payloadTypeFEC)
+                                    const uint8_t payloadTypeRED,
+                                    const uint8_t payloadTypeFEC)
 {
     _fecEnabled = enable;
     _payloadTypeRED = payloadTypeRED;
@@ -222,10 +222,10 @@
     return 0;
 }
 
-WebRtc_Word32
+int32_t
 RTPSenderVideo::GenericFECStatus(bool& enable,
-                                 WebRtc_UWord8& payloadTypeRED,
-                                 WebRtc_UWord8& payloadTypeFEC) const
+                                 uint8_t& payloadTypeRED,
+                                 uint8_t& payloadTypeFEC) const
 {
     enable = _fecEnabled;
     payloadTypeRED = _payloadTypeRED;
@@ -233,7 +233,7 @@
     return 0;
 }
 
-WebRtc_UWord16
+uint16_t
 RTPSenderVideo::FECPacketOverhead() const
 {
     if (_fecEnabled)
@@ -244,7 +244,7 @@
     return 0;
 }
 
-WebRtc_Word32 RTPSenderVideo::SetFecParameters(
+int32_t RTPSenderVideo::SetFecParameters(
     const FecProtectionParams* delta_params,
     const FecProtectionParams* key_params) {
   assert(delta_params);
@@ -254,14 +254,14 @@
   return 0;
 }
 
-WebRtc_Word32
+int32_t
 RTPSenderVideo::SendVideo(const RtpVideoCodecTypes videoType,
                           const FrameType frameType,
-                          const WebRtc_Word8 payloadType,
+                          const int8_t payloadType,
                           const uint32_t captureTimeStamp,
                           int64_t capture_time_ms,
-                          const WebRtc_UWord8* payloadData,
-                          const WebRtc_UWord32 payloadSize,
+                          const uint8_t* payloadData,
+                          const uint32_t payloadSize,
                           const RTPFragmentationHeader* fragmentation,
                           VideoCodecInformation* codecInfo,
                           const RTPVideoTypeHeader* rtpTypeHdr)
@@ -283,7 +283,7 @@
     // Will be extracted in SendVP8 for VP8 codec; other codecs use 0
     _numberFirstPartition = 0;
 
-    WebRtc_Word32 retVal = -1;
+    int32_t retVal = -1;
     switch(videoType)
     {
     case kRtpGenericVideo:
@@ -375,33 +375,33 @@
 }
 
 void
-RTPSenderVideo::SetMaxConfiguredBitrateVideo(const WebRtc_UWord32 maxBitrate)
+RTPSenderVideo::SetMaxConfiguredBitrateVideo(const uint32_t maxBitrate)
 {
     _maxBitrate = maxBitrate;
 }
 
-WebRtc_UWord32
+uint32_t
 RTPSenderVideo::MaxConfiguredBitrateVideo() const
 {
     return _maxBitrate;
 }
 
-WebRtc_Word32
+int32_t
 RTPSenderVideo::SendVP8(const FrameType frameType,
-                        const WebRtc_Word8 payloadType,
+                        const int8_t payloadType,
                         const uint32_t captureTimeStamp,
                         int64_t capture_time_ms,
-                        const WebRtc_UWord8* payloadData,
-                        const WebRtc_UWord32 payloadSize,
+                        const uint8_t* payloadData,
+                        const uint32_t payloadSize,
                         const RTPFragmentationHeader* fragmentation,
                         const RTPVideoTypeHeader* rtpTypeHdr)
 {
-    const WebRtc_UWord16 rtpHeaderLength = _rtpSender.RTPHeaderLength();
+    const uint16_t rtpHeaderLength = _rtpSender.RTPHeaderLength();
 
-    WebRtc_Word32 payloadBytesToSend = payloadSize;
-    const WebRtc_UWord8* data = payloadData;
+    int32_t payloadBytesToSend = payloadSize;
+    const uint8_t* data = payloadData;
 
-    WebRtc_UWord16 maxPayloadLengthVP8 = _rtpSender.MaxDataPayloadLength();
+    uint16_t maxPayloadLengthVP8 = _rtpSender.MaxDataPayloadLength();
 
     assert(rtpTypeHdr);
     // Initialize disregarding partition boundaries: this will use kEqualSize
@@ -427,7 +427,7 @@
     while (!last)
     {
         // Write VP8 Payload Descriptor and VP8 payload.
-        WebRtc_UWord8 dataBuffer[IP_PACKET_SIZE] = {0};
+        uint8_t dataBuffer[IP_PACKET_SIZE] = {0};
         int payloadBytesInPacket = 0;
         int packetStartPartition =
             packetizer.NextPacket(&dataBuffer[rtpHeaderLength],
@@ -465,11 +465,11 @@
   _fecOverheadRate.Process();
 }
 
-WebRtc_UWord32 RTPSenderVideo::VideoBitrateSent() const {
+uint32_t RTPSenderVideo::VideoBitrateSent() const {
   return _videoBitrate.BitrateLast();
 }
 
-WebRtc_UWord32 RTPSenderVideo::FecOverheadRate() const {
+uint32_t RTPSenderVideo::FecOverheadRate() const {
   return _fecOverheadRate.BitrateLast();
 }
 
diff --git a/webrtc/modules/rtp_rtcp/source/rtp_sender_video.h b/webrtc/modules/rtp_rtcp/source/rtp_sender_video.h
index 9ddd860..e1dc942 100644
--- a/webrtc/modules/rtp_rtcp/source/rtp_sender_video.h
+++ b/webrtc/modules/rtp_rtcp/source/rtp_sender_video.h
@@ -33,100 +33,100 @@
 class RTPSenderVideo
 {
 public:
-    RTPSenderVideo(const WebRtc_Word32 id, Clock* clock,
+    RTPSenderVideo(const int32_t id, Clock* clock,
                    RTPSenderInterface* rtpSender);
     virtual ~RTPSenderVideo();
 
     virtual RtpVideoCodecTypes VideoCodecType() const;
 
-    WebRtc_UWord16 FECPacketOverhead() const;
+    uint16_t FECPacketOverhead() const;
 
-    WebRtc_Word32 RegisterVideoPayload(
+    int32_t RegisterVideoPayload(
         const char payloadName[RTP_PAYLOAD_NAME_SIZE],
-        const WebRtc_Word8 payloadType,
-        const WebRtc_UWord32 maxBitRate,
+        const int8_t payloadType,
+        const uint32_t maxBitRate,
         ModuleRTPUtility::Payload*& payload);
 
-    WebRtc_Word32 SendVideo(const RtpVideoCodecTypes videoType,
-                          const FrameType frameType,
-                          const WebRtc_Word8 payloadType,
-                          const uint32_t captureTimeStamp,
-                          int64_t capture_time_ms,
-                          const WebRtc_UWord8* payloadData,
-                          const WebRtc_UWord32 payloadSize,
-                          const RTPFragmentationHeader* fragmentation,
-                          VideoCodecInformation* codecInfo,
-                          const RTPVideoTypeHeader* rtpTypeHdr);
+    int32_t SendVideo(const RtpVideoCodecTypes videoType,
+                      const FrameType frameType,
+                      const int8_t payloadType,
+                      const uint32_t captureTimeStamp,
+                      int64_t capture_time_ms,
+                      const uint8_t* payloadData,
+                      const uint32_t payloadSize,
+                      const RTPFragmentationHeader* fragmentation,
+                      VideoCodecInformation* codecInfo,
+                      const RTPVideoTypeHeader* rtpTypeHdr);
 
-    WebRtc_Word32 SendRTPIntraRequest();
+    int32_t SendRTPIntraRequest();
 
     void SetVideoCodecType(RtpVideoCodecTypes type);
 
     VideoCodecInformation* CodecInformationVideo();
 
-    void SetMaxConfiguredBitrateVideo(const WebRtc_UWord32 maxBitrate);
+    void SetMaxConfiguredBitrateVideo(const uint32_t maxBitrate);
 
-    WebRtc_UWord32 MaxConfiguredBitrateVideo() const;
+    uint32_t MaxConfiguredBitrateVideo() const;
 
     // FEC
-    WebRtc_Word32 SetGenericFECStatus(const bool enable,
-                                    const WebRtc_UWord8 payloadTypeRED,
-                                    const WebRtc_UWord8 payloadTypeFEC);
+    int32_t SetGenericFECStatus(const bool enable,
+                                const uint8_t payloadTypeRED,
+                                const uint8_t payloadTypeFEC);
 
-    WebRtc_Word32 GenericFECStatus(bool& enable,
-                                 WebRtc_UWord8& payloadTypeRED,
-                                 WebRtc_UWord8& payloadTypeFEC) const;
+    int32_t GenericFECStatus(bool& enable,
+                             uint8_t& payloadTypeRED,
+                             uint8_t& payloadTypeFEC) const;
 
-    WebRtc_Word32 SetFecParameters(const FecProtectionParams* delta_params,
-                                   const FecProtectionParams* key_params);
+    int32_t SetFecParameters(const FecProtectionParams* delta_params,
+                             const FecProtectionParams* key_params);
 
     void ProcessBitrate();
 
-    WebRtc_UWord32 VideoBitrateSent() const;
-    WebRtc_UWord32 FecOverheadRate() const;
+    uint32_t VideoBitrateSent() const;
+    uint32_t FecOverheadRate() const;
 
     int SelectiveRetransmissions() const;
     int SetSelectiveRetransmissions(uint8_t settings);
 
 protected:
-    virtual WebRtc_Word32 SendVideoPacket(WebRtc_UWord8* dataBuffer,
-                                          const WebRtc_UWord16 payloadLength,
-                                          const WebRtc_UWord16 rtpHeaderLength,
-                                          int64_t capture_time_ms,
-                                          StorageType storage,
-                                          bool protect);
+    virtual int32_t SendVideoPacket(uint8_t* dataBuffer,
+                                    const uint16_t payloadLength,
+                                    const uint16_t rtpHeaderLength,
+                                    int64_t capture_time_ms,
+                                    StorageType storage,
+                                    bool protect);
 
 private:
-    WebRtc_Word32 SendGeneric(const FrameType frame_type,
-                              const int8_t payload_type,
-                              const uint32_t capture_timestamp,
-                              int64_t capture_time_ms,
-                              const uint8_t* payload, const uint32_t size);
-
-    WebRtc_Word32 SendVP8(const FrameType frameType,
-                        const WebRtc_Word8 payloadType,
-                        const uint32_t captureTimeStamp,
+    int32_t SendGeneric(const FrameType frame_type,
+                        const int8_t payload_type,
+                        const uint32_t capture_timestamp,
                         int64_t capture_time_ms,
-                        const WebRtc_UWord8* payloadData,
-                        const WebRtc_UWord32 payloadSize,
-                        const RTPFragmentationHeader* fragmentation,
-                        const RTPVideoTypeHeader* rtpTypeHdr);
+                        const uint8_t* payload, const uint32_t size);
+
+    int32_t SendVP8(const FrameType frameType,
+                    const int8_t payloadType,
+                    const uint32_t captureTimeStamp,
+                    int64_t capture_time_ms,
+                    const uint8_t* payloadData,
+                    const uint32_t payloadSize,
+                    const RTPFragmentationHeader* fragmentation,
+                    const RTPVideoTypeHeader* rtpTypeHdr);
 
 private:
-    WebRtc_Word32             _id;
+    int32_t             _id;
     RTPSenderInterface&        _rtpSender;
 
     CriticalSectionWrapper*   _sendVideoCritsect;
     RtpVideoCodecTypes  _videoType;
     VideoCodecInformation*  _videoCodecInformation;
-    WebRtc_UWord32            _maxBitrate;
-    WebRtc_Word32             _retransmissionSettings;
+    uint32_t            _maxBitrate;
+    int32_t             _retransmissionSettings;
 
     // FEC
     ForwardErrorCorrection  _fec;
     bool                    _fecEnabled;
-    WebRtc_Word8              _payloadTypeRED;
-    WebRtc_Word8              _payloadTypeFEC;
+    int8_t              _payloadTypeRED;
+    int8_t              _payloadTypeFEC;
     unsigned int              _numberFirstPartition;
     FecProtectionParams delta_fec_params_;
     FecProtectionParams key_fec_params_;
diff --git a/webrtc/modules/rtp_rtcp/source/rtp_utility.cc b/webrtc/modules/rtp_rtcp/source/rtp_utility.cc
index 08743b3..c9af76c 100644
--- a/webrtc/modules/rtp_rtcp/source/rtp_utility.cc
+++ b/webrtc/modules/rtp_rtcp/source/rtp_utility.cc
@@ -54,13 +54,13 @@
  * Time routines.
  */
 
-WebRtc_UWord32 GetCurrentRTP(Clock* clock, WebRtc_UWord32 freq) {
+uint32_t GetCurrentRTP(Clock* clock, uint32_t freq) {
   const bool use_global_clock = (clock == NULL);
   Clock* local_clock = clock;
   if (use_global_clock) {
     local_clock = Clock::GetRealTimeClock();
   }
-  WebRtc_UWord32 secs = 0, frac = 0;
+  uint32_t secs = 0, frac = 0;
   local_clock->CurrentNtp(secs, frac);
   if (use_global_clock) {
     delete local_clock;
@@ -68,20 +68,17 @@
   return ConvertNTPTimeToRTP(secs, frac, freq);
 }
 
-WebRtc_UWord32 ConvertNTPTimeToRTP(WebRtc_UWord32 NTPsec,
-                                   WebRtc_UWord32 NTPfrac,
-                                   WebRtc_UWord32 freq) {
+uint32_t ConvertNTPTimeToRTP(uint32_t NTPsec, uint32_t NTPfrac, uint32_t freq) {
   float ftemp = (float)NTPfrac / (float)NTP_FRAC;
-  WebRtc_UWord32 tmp = (WebRtc_UWord32)(ftemp * freq);
+  uint32_t tmp = (uint32_t)(ftemp * freq);
   return NTPsec * freq + tmp;
 }
 
-WebRtc_UWord32 ConvertNTPTimeToMS(WebRtc_UWord32 NTPsec,
-                                  WebRtc_UWord32 NTPfrac) {
+uint32_t ConvertNTPTimeToMS(uint32_t NTPsec, uint32_t NTPfrac) {
   int freq = 1000;
   float ftemp = (float)NTPfrac / (float)NTP_FRAC;
-  WebRtc_UWord32 tmp = (WebRtc_UWord32)(ftemp * freq);
-  WebRtc_UWord32 MStime = NTPsec * freq + tmp;
+  uint32_t tmp = (uint32_t)(ftemp * freq);
+  uint32_t MStime = NTPsec * freq + tmp;
   return MStime;
 }
 
@@ -107,26 +104,26 @@
  * Misc utility routines
  */
 
-const WebRtc_UWord8* GetPayloadData(const WebRtcRTPHeader* rtp_header,
-                                    const WebRtc_UWord8* packet) {
+const uint8_t* GetPayloadData(const WebRtcRTPHeader* rtp_header,
+                              const uint8_t* packet) {
   return packet + rtp_header->header.headerLength;
 }
 
-WebRtc_UWord16 GetPayloadDataLength(const WebRtcRTPHeader* rtp_header,
-                                    const WebRtc_UWord16 packet_length) {
-  WebRtc_UWord16 length = packet_length - rtp_header->header.paddingLength -
+uint16_t GetPayloadDataLength(const WebRtcRTPHeader* rtp_header,
+                              const uint16_t packet_length) {
+  uint16_t length = packet_length - rtp_header->header.paddingLength -
       rtp_header->header.headerLength;
-  return static_cast<WebRtc_UWord16>(length);
+  return static_cast<uint16_t>(length);
 }
 
 #if defined(_WIN32)
 bool StringCompare(const char* str1, const char* str2,
-                   const WebRtc_UWord32 length) {
+                   const uint32_t length) {
   return (_strnicmp(str1, str2, length) == 0) ? true : false;
 }
 #elif defined(WEBRTC_LINUX) || defined(WEBRTC_MAC)
 bool StringCompare(const char* str1, const char* str2,
-                   const WebRtc_UWord32 length) {
+                   const uint32_t length) {
   return (strncasecmp(str1, str2, length) == 0) ? true : false;
 }
 #endif
@@ -139,62 +136,62 @@
     All integer fields are carried in network byte order, that is, most
     significant byte (octet) first.  AKA big-endian.
 */
-void AssignUWord32ToBuffer(WebRtc_UWord8* dataBuffer, WebRtc_UWord32 value) {
+void AssignUWord32ToBuffer(uint8_t* dataBuffer, uint32_t value) {
 #if defined(WEBRTC_LITTLE_ENDIAN)
-  dataBuffer[0] = static_cast<WebRtc_UWord8>(value >> 24);
-  dataBuffer[1] = static_cast<WebRtc_UWord8>(value >> 16);
-  dataBuffer[2] = static_cast<WebRtc_UWord8>(value >> 8);
-  dataBuffer[3] = static_cast<WebRtc_UWord8>(value);
+  dataBuffer[0] = static_cast<uint8_t>(value >> 24);
+  dataBuffer[1] = static_cast<uint8_t>(value >> 16);
+  dataBuffer[2] = static_cast<uint8_t>(value >> 8);
+  dataBuffer[3] = static_cast<uint8_t>(value);
 #else
-  WebRtc_UWord32* ptr = reinterpret_cast<WebRtc_UWord32*>(dataBuffer);
+  uint32_t* ptr = reinterpret_cast<uint32_t*>(dataBuffer);
   ptr[0] = value;
 #endif
 }
 
-void AssignUWord24ToBuffer(WebRtc_UWord8* dataBuffer, WebRtc_UWord32 value) {
+void AssignUWord24ToBuffer(uint8_t* dataBuffer, uint32_t value) {
 #if defined(WEBRTC_LITTLE_ENDIAN)
-  dataBuffer[0] = static_cast<WebRtc_UWord8>(value >> 16);
-  dataBuffer[1] = static_cast<WebRtc_UWord8>(value >> 8);
-  dataBuffer[2] = static_cast<WebRtc_UWord8>(value);
+  dataBuffer[0] = static_cast<uint8_t>(value >> 16);
+  dataBuffer[1] = static_cast<uint8_t>(value >> 8);
+  dataBuffer[2] = static_cast<uint8_t>(value);
 #else
-  dataBuffer[0] = static_cast<WebRtc_UWord8>(value);
-  dataBuffer[1] = static_cast<WebRtc_UWord8>(value >> 8);
-  dataBuffer[2] = static_cast<WebRtc_UWord8>(value >> 16);
+  dataBuffer[0] = static_cast<uint8_t>(value);
+  dataBuffer[1] = static_cast<uint8_t>(value >> 8);
+  dataBuffer[2] = static_cast<uint8_t>(value >> 16);
 #endif
 }
 
-void AssignUWord16ToBuffer(WebRtc_UWord8* dataBuffer, WebRtc_UWord16 value) {
+void AssignUWord16ToBuffer(uint8_t* dataBuffer, uint16_t value) {
 #if defined(WEBRTC_LITTLE_ENDIAN)
-  dataBuffer[0] = static_cast<WebRtc_UWord8>(value >> 8);
-  dataBuffer[1] = static_cast<WebRtc_UWord8>(value);
+  dataBuffer[0] = static_cast<uint8_t>(value >> 8);
+  dataBuffer[1] = static_cast<uint8_t>(value);
 #else
-  WebRtc_UWord16* ptr = reinterpret_cast<WebRtc_UWord16*>(dataBuffer);
+  uint16_t* ptr = reinterpret_cast<uint16_t*>(dataBuffer);
   ptr[0] = value;
 #endif
 }
 
-WebRtc_UWord16 BufferToUWord16(const WebRtc_UWord8* dataBuffer) {
+uint16_t BufferToUWord16(const uint8_t* dataBuffer) {
 #if defined(WEBRTC_LITTLE_ENDIAN)
   return (dataBuffer[0] << 8) + dataBuffer[1];
 #else
-  return *reinterpret_cast<const WebRtc_UWord16*>(dataBuffer);
+  return *reinterpret_cast<const uint16_t*>(dataBuffer);
 #endif
 }
 
-WebRtc_UWord32 BufferToUWord24(const WebRtc_UWord8* dataBuffer) {
+uint32_t BufferToUWord24(const uint8_t* dataBuffer) {
   return (dataBuffer[0] << 16) + (dataBuffer[1] << 8) + dataBuffer[2];
 }
 
-WebRtc_UWord32 BufferToUWord32(const WebRtc_UWord8* dataBuffer) {
+uint32_t BufferToUWord32(const uint8_t* dataBuffer) {
 #if defined(WEBRTC_LITTLE_ENDIAN)
   return (dataBuffer[0] << 24) + (dataBuffer[1] << 16) + (dataBuffer[2] << 8) +
       dataBuffer[3];
 #else
-  return *reinterpret_cast<const WebRtc_UWord32*>(dataBuffer);
+  return *reinterpret_cast<const uint32_t*>(dataBuffer);
 #endif
 }
 
-WebRtc_UWord32 pow2(WebRtc_UWord8 exp) {
+uint32_t pow2(uint8_t exp) {
   return 1 << exp;
 }
 
@@ -225,8 +222,8 @@
   }
 }
 
-RTPHeaderParser::RTPHeaderParser(const WebRtc_UWord8* rtpData,
-                                 const WebRtc_UWord32 rtpDataLength)
+RTPHeaderParser::RTPHeaderParser(const uint8_t* rtpData,
+                                 const uint32_t rtpDataLength)
   : _ptrRTPDataBegin(rtpData),
     _ptrRTPDataEnd(rtpData ? (rtpData + rtpDataLength) : NULL) {
 }
@@ -279,12 +276,12 @@
     return false;
   }
 
-  const WebRtc_UWord8 V  = _ptrRTPDataBegin[0] >> 6;
+  const uint8_t V  = _ptrRTPDataBegin[0] >> 6;
   if (V != kRtcpExpectedVersion) {
     return false;
   }
 
-  const WebRtc_UWord8  payloadType = _ptrRTPDataBegin[1];
+  const uint8_t  payloadType = _ptrRTPDataBegin[1];
   bool RTCP = false;
   switch (payloadType) {
     case 192:
@@ -318,27 +315,27 @@
   }
 
   // Version
-  const WebRtc_UWord8 V  = _ptrRTPDataBegin[0] >> 6;
+  const uint8_t V  = _ptrRTPDataBegin[0] >> 6;
   // Padding
   const bool          P  = ((_ptrRTPDataBegin[0] & 0x20) == 0) ? false : true;
   // eXtension
   const bool          X  = ((_ptrRTPDataBegin[0] & 0x10) == 0) ? false : true;
-  const WebRtc_UWord8 CC = _ptrRTPDataBegin[0] & 0x0f;
+  const uint8_t CC = _ptrRTPDataBegin[0] & 0x0f;
   const bool          M  = ((_ptrRTPDataBegin[1] & 0x80) == 0) ? false : true;
 
-  const WebRtc_UWord8 PT = _ptrRTPDataBegin[1] & 0x7f;
+  const uint8_t PT = _ptrRTPDataBegin[1] & 0x7f;
 
-  const WebRtc_UWord16 sequenceNumber = (_ptrRTPDataBegin[2] << 8) +
+  const uint16_t sequenceNumber = (_ptrRTPDataBegin[2] << 8) +
       _ptrRTPDataBegin[3];
 
-  const WebRtc_UWord8* ptr = &_ptrRTPDataBegin[4];
+  const uint8_t* ptr = &_ptrRTPDataBegin[4];
 
-  WebRtc_UWord32 RTPTimestamp = *ptr++ << 24;
+  uint32_t RTPTimestamp = *ptr++ << 24;
   RTPTimestamp += *ptr++ << 16;
   RTPTimestamp += *ptr++ << 8;
   RTPTimestamp += *ptr++;
 
-  WebRtc_UWord32 SSRC = *ptr++ << 24;
+  uint32_t SSRC = *ptr++ << 24;
   SSRC += *ptr++ << 16;
   SSRC += *ptr++ << 8;
   SSRC += *ptr++;
@@ -347,7 +344,7 @@
     return false;
   }
 
-  const WebRtc_UWord8 CSRCocts = CC * 4;
+  const uint8_t CSRCocts = CC * 4;
 
   if ((ptr + CSRCocts) > _ptrRTPDataEnd) {
     return false;
@@ -362,7 +359,7 @@
   parsedPacket.header.paddingLength  = P ? *(_ptrRTPDataEnd - 1) : 0;
 
   for (unsigned int i = 0; i < CC; ++i) {
-    WebRtc_UWord32 CSRC = *ptr++ << 24;
+    uint32_t CSRC = *ptr++ << 24;
     CSRC += *ptr++ << 16;
     CSRC += *ptr++ << 8;
     CSRC += *ptr++;
@@ -393,10 +390,10 @@
 
     parsedPacket.header.headerLength += 4;
 
-    WebRtc_UWord16 definedByProfile = *ptr++ << 8;
+    uint16_t definedByProfile = *ptr++ << 8;
     definedByProfile += *ptr++;
 
-    WebRtc_UWord16 XLen = *ptr++ << 8;
+    uint16_t XLen = *ptr++ << 8;
     XLen += *ptr++; // in 32 bit words
     XLen *= 4; // in octs
 
@@ -404,7 +401,7 @@
       return false;
     }
     if (definedByProfile == RTP_ONE_BYTE_HEADER_EXTENSION) {
-      const WebRtc_UWord8* ptrRTPDataExtensionEnd = ptr + XLen;
+      const uint8_t* ptrRTPDataExtensionEnd = ptr + XLen;
       ParseOneByteExtensionHeader(parsedPacket,
                                   ptrExtensionMap,
                                   ptrRTPDataExtensionEnd,
@@ -418,8 +415,8 @@
 void RTPHeaderParser::ParseOneByteExtensionHeader(
     WebRtcRTPHeader& parsedPacket,
     const RtpHeaderExtensionMap* ptrExtensionMap,
-    const WebRtc_UWord8* ptrRTPDataExtensionEnd,
-    const WebRtc_UWord8* ptr) const {
+    const uint8_t* ptrRTPDataExtensionEnd,
+    const uint8_t* ptr) const {
   if (!ptrExtensionMap) {
     return;
   }
@@ -431,8 +428,8 @@
     // |  ID   |  len  |
     // +-+-+-+-+-+-+-+-+
 
-    const WebRtc_UWord8 id = (*ptr & 0xf0) >> 4;
-    const WebRtc_UWord8 len = (*ptr & 0x0f);
+    const uint8_t id = (*ptr & 0xf0) >> 4;
+    const uint8_t len = (*ptr & 0x0f);
     ptr++;
 
     if (id == 15) {
@@ -461,7 +458,7 @@
         // |  ID   | len=2 |              transmission offset              |
         // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 
-        WebRtc_Word32 transmissionTimeOffset = *ptr++ << 16;
+        int32_t transmissionTimeOffset = *ptr++ << 16;
         transmissionTimeOffset += *ptr++ << 8;
         transmissionTimeOffset += *ptr++;
         parsedPacket.extension.transmissionTimeOffset = transmissionTimeOffset;
@@ -481,8 +478,8 @@
         //
 
         // Parse out the fields but only use it for debugging for now.
-        // const WebRtc_UWord8 V = (*ptr & 0x80) >> 7;
-        // const WebRtc_UWord8 level = (*ptr & 0x7f);
+        // const uint8_t V = (*ptr & 0x80) >> 7;
+        // const uint8_t level = (*ptr & 0x7f);
         // DEBUG_PRINT("RTP_AUDIO_LEVEL_UNIQUE_ID: ID=%u, len=%u, V=%u,
         // level=%u", ID, len, V, level);
         break;
@@ -493,16 +490,16 @@
         return;
       }
     }
-    WebRtc_UWord8 num_bytes = ParsePaddingBytes(ptrRTPDataExtensionEnd, ptr);
+    uint8_t num_bytes = ParsePaddingBytes(ptrRTPDataExtensionEnd, ptr);
     ptr += num_bytes;
   }
 }
 
-WebRtc_UWord8 RTPHeaderParser::ParsePaddingBytes(
-  const WebRtc_UWord8* ptrRTPDataExtensionEnd,
-  const WebRtc_UWord8* ptr) const {
+uint8_t RTPHeaderParser::ParsePaddingBytes(
+  const uint8_t* ptrRTPDataExtensionEnd,
+  const uint8_t* ptr) const {
 
-  WebRtc_UWord8 num_zero_bytes = 0;
+  uint8_t num_zero_bytes = 0;
   while (ptrRTPDataExtensionEnd - ptr > 0) {
     if (*ptr != 0) {
       return num_zero_bytes;
@@ -515,9 +512,9 @@
 
 // RTP payload parser
 RTPPayloadParser::RTPPayloadParser(const RtpVideoCodecTypes videoType,
-                                   const WebRtc_UWord8* payloadData,
-                                   WebRtc_UWord16 payloadDataLength,
-                                   WebRtc_Word32 id)
+                                   const uint8_t* payloadData,
+                                   uint16_t payloadDataLength,
+                                   int32_t id)
   :
   _id(id),
   _dataPtr(payloadData),
@@ -572,7 +569,7 @@
 
 bool RTPPayloadParser::ParseVP8(RTPPayload& parsedPacket) const {
   RTPPayloadVP8* vp8 = &parsedPacket.info.VP8;
-  const WebRtc_UWord8* dataPtr = _dataPtr;
+  const uint8_t* dataPtr = _dataPtr;
   int dataLength = _dataLength;
 
   // Parse mandatory first byte of payload descriptor
@@ -618,7 +615,7 @@
 }
 
 int RTPPayloadParser::ParseVP8FrameSize(RTPPayload& parsedPacket,
-                                        const WebRtc_UWord8* dataPtr,
+                                        const uint8_t* dataPtr,
                                         int dataLength) const {
   if (parsedPacket.frameType != kIFrame) {
     // Included in payload header for I-frames.
@@ -636,7 +633,7 @@
 }
 
 int RTPPayloadParser::ParseVP8Extension(RTPPayloadVP8* vp8,
-                                        const WebRtc_UWord8* dataPtr,
+                                        const uint8_t* dataPtr,
                                         int dataLength) const {
   int parsedBytes = 0;
   if (dataLength <= 0) return -1;
@@ -672,7 +669,7 @@
 }
 
 int RTPPayloadParser::ParseVP8PictureID(RTPPayloadVP8* vp8,
-                                        const WebRtc_UWord8** dataPtr,
+                                        const uint8_t** dataPtr,
                                         int* dataLength,
                                         int* parsedBytes) const {
   if (*dataLength <= 0) return -1;
@@ -691,7 +688,7 @@
 }
 
 int RTPPayloadParser::ParseVP8Tl0PicIdx(RTPPayloadVP8* vp8,
-                                        const WebRtc_UWord8** dataPtr,
+                                        const uint8_t** dataPtr,
                                         int* dataLength,
                                         int* parsedBytes) const {
   if (*dataLength <= 0) return -1;
@@ -703,7 +700,7 @@
 }
 
 int RTPPayloadParser::ParseVP8TIDAndKeyIdx(RTPPayloadVP8* vp8,
-                                           const WebRtc_UWord8** dataPtr,
+                                           const uint8_t** dataPtr,
                                            int* dataLength,
                                            int* parsedBytes) const {
   if (*dataLength <= 0) return -1;
diff --git a/webrtc/modules/rtp_rtcp/source/rtp_utility.h b/webrtc/modules/rtp_rtcp/source/rtp_utility.h
index 255c080..7614ca6 100644
--- a/webrtc/modules/rtp_rtcp/source/rtp_utility.h
+++ b/webrtc/modules/rtp_rtcp/source/rtp_utility.h
@@ -26,7 +26,7 @@
     kRtpVp8Video      = 11
 };
 
-const WebRtc_UWord8 kRtpMarkerBitMask = 0x80;
+const uint8_t kRtpMarkerBitMask = 0x80;
 
 namespace ModuleRTPUtility
 {
@@ -38,14 +38,14 @@
 
     struct AudioPayload
     {
-        WebRtc_UWord32    frequency;
-        WebRtc_UWord8     channels;
-        WebRtc_UWord32    rate;
+        uint32_t    frequency;
+        uint8_t     channels;
+        uint32_t    rate;
     };
     struct VideoPayload
     {
         RtpVideoCodecTypes   videoCodecType;
-        WebRtc_UWord32       maxRate;
+        uint32_t       maxRate;
     };
     union PayloadUnion
     {
@@ -59,31 +59,31 @@
         PayloadUnion typeSpecific;
     };
 
-    typedef std::map<WebRtc_Word8, Payload*> PayloadTypeMap;
+    typedef std::map<int8_t, Payload*> PayloadTypeMap;
 
     // Return the current RTP timestamp from the NTP timestamp
     // returned by the specified clock.
-    WebRtc_UWord32 GetCurrentRTP(Clock* clock, WebRtc_UWord32 freq);
+    uint32_t GetCurrentRTP(Clock* clock, uint32_t freq);
 
     // Return the current RTP absolute timestamp.
-    WebRtc_UWord32 ConvertNTPTimeToRTP(WebRtc_UWord32 NTPsec,
-                                       WebRtc_UWord32 NTPfrac,
-                                       WebRtc_UWord32 freq);
+    uint32_t ConvertNTPTimeToRTP(uint32_t NTPsec,
+                                 uint32_t NTPfrac,
+                                 uint32_t freq);
 
     // Return the time in milliseconds corresponding to the specified
     // NTP timestamp.
-    WebRtc_UWord32 ConvertNTPTimeToMS(WebRtc_UWord32 NTPsec,
-                                      WebRtc_UWord32 NTPfrac);
+    uint32_t ConvertNTPTimeToMS(uint32_t NTPsec,
+                                uint32_t NTPfrac);
 
-    WebRtc_UWord32 pow2(WebRtc_UWord8 exp);
+    uint32_t pow2(uint8_t exp);
 
     // Returns a pointer to the payload data given a packet.
-    const WebRtc_UWord8* GetPayloadData(const WebRtcRTPHeader* rtp_header,
-                                        const WebRtc_UWord8* packet);
+    const uint8_t* GetPayloadData(const WebRtcRTPHeader* rtp_header,
+                                  const uint8_t* packet);
 
     // Returns payload length given a packet.
-    WebRtc_UWord16 GetPayloadDataLength(const WebRtcRTPHeader* rtp_header,
-                                        const WebRtc_UWord16 packet_length);
+    uint16_t GetPayloadDataLength(const WebRtcRTPHeader* rtp_header,
+                                  const uint16_t packet_length);
 
     // Returns true if |newTimestamp| is older than |existingTimestamp|.
     // |wrapped| will be set to true if there has been a wraparound between the
@@ -94,38 +94,38 @@
 
     bool StringCompare(const char* str1,
                        const char* str2,
-                       const WebRtc_UWord32 length);
+                       const uint32_t length);
 
-    void AssignUWord32ToBuffer(WebRtc_UWord8* dataBuffer, WebRtc_UWord32 value);
-    void AssignUWord24ToBuffer(WebRtc_UWord8* dataBuffer, WebRtc_UWord32 value);
-    void AssignUWord16ToBuffer(WebRtc_UWord8* dataBuffer, WebRtc_UWord16 value);
+    void AssignUWord32ToBuffer(uint8_t* dataBuffer, uint32_t value);
+    void AssignUWord24ToBuffer(uint8_t* dataBuffer, uint32_t value);
+    void AssignUWord16ToBuffer(uint8_t* dataBuffer, uint16_t value);
 
     /**
      * Converts a network-ordered two-byte input buffer to a host-ordered value.
      * \param[in] dataBuffer Network-ordered two-byte buffer to convert.
      * \return Host-ordered value.
      */
-    WebRtc_UWord16 BufferToUWord16(const WebRtc_UWord8* dataBuffer);
+    uint16_t BufferToUWord16(const uint8_t* dataBuffer);
 
     /**
      * Converts a network-ordered three-byte input buffer to a host-ordered value.
      * \param[in] dataBuffer Network-ordered three-byte buffer to convert.
      * \return Host-ordered value.
      */
-    WebRtc_UWord32 BufferToUWord24(const WebRtc_UWord8* dataBuffer);
+    uint32_t BufferToUWord24(const uint8_t* dataBuffer);
 
     /**
      * Converts a network-ordered four-byte input buffer to a host-ordered value.
      * \param[in] dataBuffer Network-ordered four-byte buffer to convert.
      * \return Host-ordered value.
      */
-    WebRtc_UWord32 BufferToUWord32(const WebRtc_UWord8* dataBuffer);
+    uint32_t BufferToUWord32(const uint8_t* dataBuffer);
 
     class RTPHeaderParser
     {
     public:
-        RTPHeaderParser(const WebRtc_UWord8* rtpData,
-                        const WebRtc_UWord32 rtpDataLength);
+        RTPHeaderParser(const uint8_t* rtpData,
+                        const uint32_t rtpDataLength);
         ~RTPHeaderParser();
 
         bool RTCP() const;
@@ -136,15 +136,15 @@
         void ParseOneByteExtensionHeader(
             WebRtcRTPHeader& parsedPacket,
             const RtpHeaderExtensionMap* ptrExtensionMap,
-            const WebRtc_UWord8* ptrRTPDataExtensionEnd,
-            const WebRtc_UWord8* ptr) const;
+            const uint8_t* ptrRTPDataExtensionEnd,
+            const uint8_t* ptr) const;
 
-        WebRtc_UWord8 ParsePaddingBytes(
-            const WebRtc_UWord8* ptrRTPDataExtensionEnd,
-            const WebRtc_UWord8* ptr) const;
+        uint8_t ParsePaddingBytes(
+            const uint8_t* ptrRTPDataExtensionEnd,
+            const uint8_t* ptr) const;
 
-        const WebRtc_UWord8* const _ptrRTPDataBegin;
-        const WebRtc_UWord8* const _ptrRTPDataEnd;
+        const uint8_t* const _ptrRTPDataBegin;
+        const uint8_t* const _ptrRTPDataEnd;
     };
 
     enum FrameTypes
@@ -170,8 +170,8 @@
         int                  frameWidth;
         int                  frameHeight;
 
-        const WebRtc_UWord8*   data;
-        WebRtc_UWord16         dataLength;
+        const uint8_t*   data;
+        uint16_t         dataLength;
     };
 
     union RTPPayloadUnion
@@ -193,9 +193,9 @@
     {
     public:
         RTPPayloadParser(const RtpVideoCodecTypes payloadType,
-                         const WebRtc_UWord8* payloadData,
-                         const WebRtc_UWord16 payloadDataLength, // Length w/o padding.
-                         const WebRtc_Word32 id);
+                         const uint8_t* payloadData,
+                         const uint16_t payloadDataLength, // Length w/o padding.
+                         const int32_t id);
 
         ~RTPPayloadParser();
 
@@ -207,32 +207,32 @@
         bool ParseVP8(RTPPayload& parsedPacket) const;
 
         int ParseVP8Extension(RTPPayloadVP8 *vp8,
-                              const WebRtc_UWord8 *dataPtr,
+                              const uint8_t *dataPtr,
                               int dataLength) const;
 
         int ParseVP8PictureID(RTPPayloadVP8 *vp8,
-                              const WebRtc_UWord8 **dataPtr,
+                              const uint8_t **dataPtr,
                               int *dataLength,
                               int *parsedBytes) const;
 
         int ParseVP8Tl0PicIdx(RTPPayloadVP8 *vp8,
-                              const WebRtc_UWord8 **dataPtr,
+                              const uint8_t **dataPtr,
                               int *dataLength,
                               int *parsedBytes) const;
 
         int ParseVP8TIDAndKeyIdx(RTPPayloadVP8 *vp8,
-                                 const WebRtc_UWord8 **dataPtr,
+                                 const uint8_t **dataPtr,
                                  int *dataLength,
                                  int *parsedBytes) const;
 
         int ParseVP8FrameSize(RTPPayload& parsedPacket,
-                              const WebRtc_UWord8 *dataPtr,
+                              const uint8_t *dataPtr,
                               int dataLength) const;
 
     private:
-        WebRtc_Word32               _id;
-        const WebRtc_UWord8*        _dataPtr;
-        const WebRtc_UWord16        _dataLength;
+        int32_t               _id;
+        const uint8_t*        _dataPtr;
+        const uint16_t        _dataLength;
         const RtpVideoCodecTypes    _videoType;
     };
 
diff --git a/webrtc/modules/rtp_rtcp/source/rtp_utility_unittest.cc b/webrtc/modules/rtp_rtcp/source/rtp_utility_unittest.cc
index eabc812..b20eb6a 100644
--- a/webrtc/modules/rtp_rtcp/source/rtp_utility_unittest.cc
+++ b/webrtc/modules/rtp_rtcp/source/rtp_utility_unittest.cc
@@ -72,7 +72,7 @@
 }
 
 TEST(ParseVP8Test, BasicHeader) {
-  WebRtc_UWord8 payload[4] = {0};
+  uint8_t payload[4] = {0};
   payload[0] = 0x14;  // Binary 0001 0100; S = 1, PartID = 4.
   payload[1] = 0x01;  // P frame.
 
@@ -92,7 +92,7 @@
 }
 
 TEST(ParseVP8Test, PictureID) {
-  WebRtc_UWord8 payload[10] = {0};
+  uint8_t payload[10] = {0};
   payload[0] = 0xA0;
   payload[1] = 0x80;
   payload[2] = 17;
@@ -131,7 +131,7 @@
 }
 
 TEST(ParseVP8Test, Tl0PicIdx) {
-  WebRtc_UWord8 payload[13] = {0};
+  uint8_t payload[13] = {0};
   payload[0] = 0x90;
   payload[1] = 0x40;
   payload[2] = 17;
@@ -154,7 +154,7 @@
 }
 
 TEST(ParseVP8Test, TIDAndLayerSync) {
-  WebRtc_UWord8 payload[10] = {0};
+  uint8_t payload[10] = {0};
   payload[0] = 0x88;
   payload[1] = 0x20;
   payload[2] = 0x80;  // TID(2) + LayerSync(false)
@@ -178,7 +178,7 @@
 }
 
 TEST(ParseVP8Test, KeyIdx) {
-  WebRtc_UWord8 payload[10] = {0};
+  uint8_t payload[10] = {0};
   payload[0] = 0x88;
   payload[1] = 0x10;  // K = 1.
   payload[2] = 0x11;  // KEYIDX = 17 decimal.
@@ -201,7 +201,7 @@
 }
 
 TEST(ParseVP8Test, MultipleExtensions) {
-  WebRtc_UWord8 payload[10] = {0};
+  uint8_t payload[10] = {0};
   payload[0] = 0x88;
   payload[1] = 0x80 | 0x40 | 0x20 | 0x10;
   payload[2] = 0x80 | 17;    // PictureID, high 7 bits.
@@ -230,7 +230,7 @@
 }
 
 TEST(ParseVP8Test, TooShortHeader) {
-  WebRtc_UWord8 payload[4] = {0};
+  uint8_t payload[4] = {0};
   payload[0] = 0x88;
   payload[1] = 0x80 | 0x40 | 0x20 | 0x10;  // All extensions are enabled...
   payload[2] = 0x80 | 17;  // ... but only 2 bytes PictureID is provided.
@@ -243,8 +243,8 @@
 }
 
 TEST(ParseVP8Test, TestWithPacketizer) {
-  WebRtc_UWord8 payload[10] = {0};
-  WebRtc_UWord8 packet[20] = {0};
+  uint8_t payload[10] = {0};
+  uint8_t packet[20] = {0};
   RTPVideoHeaderVP8 inputHeader;
   inputHeader.nonReference = true;
   inputHeader.pictureId = 300;
diff --git a/webrtc/modules/rtp_rtcp/source/ssrc_database.cc b/webrtc/modules/rtp_rtcp/source/ssrc_database.cc
index b3e9ab0..b51efb5 100644
--- a/webrtc/modules/rtp_rtcp/source/ssrc_database.cc
+++ b/webrtc/modules/rtp_rtcp/source/ssrc_database.cc
@@ -51,12 +51,12 @@
     StaticInstance(kRelease);
 }
 
-WebRtc_UWord32
+uint32_t
 SSRCDatabase::CreateSSRC()
 {
     CriticalSectionScoped lock(_critSect);
 
-    WebRtc_UWord32 ssrc = GenerateRandom();
+    uint32_t ssrc = GenerateRandom();
 
 #ifndef WEBRTC_NO_STL
 
@@ -71,8 +71,8 @@
     {
         // allocate more space
         const int newSize = _sizeOfSSRC + 10;
-        WebRtc_UWord32* tempSSRCVector = new WebRtc_UWord32[newSize];
-        memcpy(tempSSRCVector, _ssrcVector, _sizeOfSSRC*sizeof(WebRtc_UWord32));
+        uint32_t* tempSSRCVector = new uint32_t[newSize];
+        memcpy(tempSSRCVector, _ssrcVector, _sizeOfSSRC*sizeof(uint32_t));
         delete [] _ssrcVector;
 
         _ssrcVector = tempSSRCVector;
@@ -100,8 +100,8 @@
     return ssrc;
 }
 
-WebRtc_Word32
-SSRCDatabase::RegisterSSRC(const WebRtc_UWord32 ssrc)
+int32_t
+SSRCDatabase::RegisterSSRC(const uint32_t ssrc)
 {
     CriticalSectionScoped lock(_critSect);
 
@@ -114,8 +114,8 @@
     {
         // allocate more space
         const int newSize = _sizeOfSSRC + 10;
-        WebRtc_UWord32* tempSSRCVector = new WebRtc_UWord32[newSize];
-        memcpy(tempSSRCVector, _ssrcVector, _sizeOfSSRC*sizeof(WebRtc_UWord32));
+        uint32_t* tempSSRCVector = new uint32_t[newSize];
+        memcpy(tempSSRCVector, _ssrcVector, _sizeOfSSRC*sizeof(uint32_t));
         delete [] _ssrcVector;
 
         _ssrcVector = tempSSRCVector;
@@ -140,8 +140,8 @@
     return 0;
 }
 
-WebRtc_Word32
-SSRCDatabase::ReturnSSRC(const WebRtc_UWord32 ssrc)
+int32_t
+SSRCDatabase::ReturnSSRC(const uint32_t ssrc)
 {
     CriticalSectionScoped lock(_critSect);
 
@@ -182,7 +182,7 @@
 #ifdef WEBRTC_NO_STL
     _sizeOfSSRC = 10;
     _numberOfSSRC = 0;
-    _ssrcVector = new WebRtc_UWord32[10];
+    _ssrcVector = new uint32_t[10];
 #endif
     _critSect = CriticalSectionWrapper::CreateCriticalSection();
 
@@ -201,9 +201,9 @@
     WEBRTC_TRACE(kTraceMemory, kTraceRtpRtcp, -1, "%s deleted", __FUNCTION__);
 }
 
-WebRtc_UWord32 SSRCDatabase::GenerateRandom()
+uint32_t SSRCDatabase::GenerateRandom()
 {
-    WebRtc_UWord32 ssrc = 0;
+    uint32_t ssrc = 0;
     do
     {
         ssrc = rand();
diff --git a/webrtc/modules/rtp_rtcp/source/ssrc_database.h b/webrtc/modules/rtp_rtcp/source/ssrc_database.h
index 370e549..555fe09 100644
--- a/webrtc/modules/rtp_rtcp/source/ssrc_database.h
+++ b/webrtc/modules/rtp_rtcp/source/ssrc_database.h
@@ -27,9 +27,9 @@
     static SSRCDatabase* GetSSRCDatabase();
     static void ReturnSSRCDatabase();
 
-    WebRtc_UWord32 CreateSSRC();
-    WebRtc_Word32 RegisterSSRC(const WebRtc_UWord32 ssrc);
-    WebRtc_Word32 ReturnSSRC(const WebRtc_UWord32 ssrc);
+    uint32_t CreateSSRC();
+    int32_t RegisterSSRC(const uint32_t ssrc);
+    int32_t ReturnSSRC(const uint32_t ssrc);
 
 protected:
     SSRCDatabase();
@@ -44,15 +44,15 @@
         CountOperation count_operation);
     static SSRCDatabase* StaticInstance(CountOperation count_operation);
 
-    WebRtc_UWord32 GenerateRandom();
+    uint32_t GenerateRandom();
 
 #ifdef WEBRTC_NO_STL
     int _numberOfSSRC;
     int _sizeOfSSRC;
 
-    WebRtc_UWord32* _ssrcVector;
+    uint32_t* _ssrcVector;
 #else
-    std::map<WebRtc_UWord32, WebRtc_UWord32>    _ssrcMap;
+    std::map<uint32_t, uint32_t>    _ssrcMap;
 #endif
 
     CriticalSectionWrapper* _critSect;
diff --git a/webrtc/modules/rtp_rtcp/source/tmmbr_help.cc b/webrtc/modules/rtp_rtcp/source/tmmbr_help.cc
index ab85cdc..5bd6221 100644
--- a/webrtc/modules/rtp_rtcp/source/tmmbr_help.cc
+++ b/webrtc/modules/rtp_rtcp/source/tmmbr_help.cc
@@ -29,7 +29,7 @@
 }
 
 void
-TMMBRSet::VerifyAndAllocateSet(WebRtc_UWord32 minimumSize)
+TMMBRSet::VerifyAndAllocateSet(uint32_t minimumSize)
 {
     if(minimumSize > _sizeOfSet)
     {
@@ -38,7 +38,7 @@
         _sizeOfSet = minimumSize;
     }
     // reset memory
-    for(WebRtc_UWord32 i = 0; i < _sizeOfSet; i++)
+    for(uint32_t i = 0; i < _sizeOfSet; i++)
     {
         _data.at(i).tmmbr = 0;
         _data.at(i).packet_oh = 0;
@@ -48,7 +48,7 @@
 }
 
 void
-TMMBRSet::VerifyAndAllocateSetKeepingData(WebRtc_UWord32 minimumSize)
+TMMBRSet::VerifyAndAllocateSetKeepingData(uint32_t minimumSize)
 {
     if(minimumSize > _sizeOfSet)
     {
@@ -60,9 +60,9 @@
 }
 
 void TMMBRSet::SetEntry(unsigned int i,
-                         WebRtc_UWord32 tmmbrSet,
-                         WebRtc_UWord32 packetOHSet,
-                         WebRtc_UWord32 ssrcSet) {
+                         uint32_t tmmbrSet,
+                         uint32_t packetOHSet,
+                         uint32_t ssrcSet) {
   assert(i < _sizeOfSet);
   _data.at(i).tmmbr = tmmbrSet;
   _data.at(i).packet_oh = packetOHSet;
@@ -72,28 +72,28 @@
   }
 }
 
-void TMMBRSet::AddEntry(WebRtc_UWord32 tmmbrSet,
-                        WebRtc_UWord32 packetOHSet,
-                        WebRtc_UWord32 ssrcSet) {
+void TMMBRSet::AddEntry(uint32_t tmmbrSet,
+                        uint32_t packetOHSet,
+                        uint32_t ssrcSet) {
   assert(_lengthOfSet < _sizeOfSet);
   SetEntry(_lengthOfSet, tmmbrSet, packetOHSet, ssrcSet);
 }
 
-void TMMBRSet::RemoveEntry(WebRtc_UWord32 sourceIdx) {
+void TMMBRSet::RemoveEntry(uint32_t sourceIdx) {
   assert(sourceIdx < _lengthOfSet);
   _data.erase(_data.begin() + sourceIdx);
   _lengthOfSet--;
   _data.resize(_sizeOfSet);  // Ensure that size remains the same.
 }
 
-void TMMBRSet::SwapEntries(WebRtc_UWord32 i, WebRtc_UWord32 j) {
+void TMMBRSet::SwapEntries(uint32_t i, uint32_t j) {
     SetElement temp;
     temp = _data[i];
     _data[i] = _data[j];
     _data[j] = temp;
 }
 
-void TMMBRSet::ClearEntry(WebRtc_UWord32 idx) {
+void TMMBRSet::ClearEntry(uint32_t idx) {
   SetEntry(idx, 0, 0, 0);
 }
 
@@ -115,7 +115,7 @@
 }
 
 TMMBRSet*
-TMMBRHelp::VerifyAndAllocateBoundingSet(WebRtc_UWord32 minimumSize)
+TMMBRHelp::VerifyAndAllocateBoundingSet(uint32_t minimumSize)
 {
     CriticalSectionScoped lock(_criticalSection);
 
@@ -138,9 +138,9 @@
   return &_boundingSet;
 }
 
-WebRtc_Word32
+int32_t
 TMMBRHelp::SetTMMBRBoundingSetToSend(const TMMBRSet* boundingSetToSend,
-                                     const WebRtc_UWord32 maxBitrateKbit)
+                                     const uint32_t maxBitrateKbit)
 {
     CriticalSectionScoped lock(_criticalSection);
 
@@ -152,10 +152,10 @@
 
     VerifyAndAllocateBoundingSetToSend(boundingSetToSend->lengthOfSet());
     _boundingSetToSend.clearSet();
-    for (WebRtc_UWord32 i = 0; i < boundingSetToSend->lengthOfSet(); i++)
+    for (uint32_t i = 0; i < boundingSetToSend->lengthOfSet(); i++)
     {
         // cap at our configured max bitrate
-        WebRtc_UWord32 bitrate = boundingSetToSend->Tmmbr(i);
+        uint32_t bitrate = boundingSetToSend->Tmmbr(i);
         if(maxBitrateKbit)
         {
             // do we have a configured max bitrate?
@@ -171,8 +171,8 @@
     return 0;
 }
 
-WebRtc_Word32
-TMMBRHelp::VerifyAndAllocateBoundingSetToSend(WebRtc_UWord32 minimumSize)
+int32_t
+TMMBRHelp::VerifyAndAllocateBoundingSetToSend(uint32_t minimumSize)
 {
     CriticalSectionScoped lock(_criticalSection);
 
@@ -181,7 +181,7 @@
 }
 
 TMMBRSet*
-TMMBRHelp::VerifyAndAllocateCandidateSet(WebRtc_UWord32 minimumSize)
+TMMBRHelp::VerifyAndAllocateCandidateSet(uint32_t minimumSize)
 {
     CriticalSectionScoped lock(_criticalSection);
 
@@ -201,7 +201,7 @@
     return &_boundingSetToSend;
 }
 
-WebRtc_Word32
+int32_t
 TMMBRHelp::FindTMMBRBoundingSet(TMMBRSet*& boundingSet)
 {
     CriticalSectionScoped lock(_criticalSection);
@@ -211,7 +211,7 @@
     candidateSet.VerifyAndAllocateSet(_candidateSet.sizeOfSet());
 
     // TODO(hta) Figure out if this should be lengthOfSet instead.
-    for (WebRtc_UWord32 i = 0; i < _candidateSet.sizeOfSet(); i++)
+    for (uint32_t i = 0; i < _candidateSet.sizeOfSet(); i++)
     {
         if(_candidateSet.Tmmbr(i))
         {
@@ -229,9 +229,9 @@
     }
 
     // Number of set candidates
-    WebRtc_Word32 numSetCandidates = candidateSet.lengthOfSet();
+    int32_t numSetCandidates = candidateSet.lengthOfSet();
     // Find bounding set
-    WebRtc_UWord32 numBoundingSet = 0;
+    uint32_t numBoundingSet = 0;
     if (numSetCandidates > 0)
     {
         numBoundingSet =  FindTMMBRBoundingSet(numSetCandidates, candidateSet);
@@ -245,18 +245,18 @@
 }
 
 
-WebRtc_Word32
-TMMBRHelp::FindTMMBRBoundingSet(WebRtc_Word32 numCandidates, TMMBRSet& candidateSet)
+int32_t
+TMMBRHelp::FindTMMBRBoundingSet(int32_t numCandidates, TMMBRSet& candidateSet)
 {
     CriticalSectionScoped lock(_criticalSection);
 
-    WebRtc_UWord32 numBoundingSet = 0;
+    uint32_t numBoundingSet = 0;
     VerifyAndAllocateBoundingSet(candidateSet.sizeOfSet());
 
     if (numCandidates == 1)
     {
         // TODO(hta): lengthOfSet instead of sizeOfSet?
-        for (WebRtc_UWord32 i = 0; i < candidateSet.sizeOfSet(); i++)
+        for (uint32_t i = 0; i < candidateSet.sizeOfSet(); i++)
         {
             if (candidateSet.Tmmbr(i) > 0)
             {
@@ -284,15 +284,15 @@
             }
         }
         // 2. For tuples with same OH, keep the one w/ the lowest bitrate
-        for (WebRtc_UWord32 i = 0; i < candidateSet.sizeOfSet(); i++)
+        for (uint32_t i = 0; i < candidateSet.sizeOfSet(); i++)
         {
             if (candidateSet.Tmmbr(i) > 0)
             {
                 // get min bitrate for packets w/ same OH
-                WebRtc_UWord32 currentPacketOH = candidateSet.PacketOH(i);
-                WebRtc_UWord32 currentMinTMMBR = candidateSet.Tmmbr(i);
-                WebRtc_UWord32 currentMinIndexTMMBR = i;
-                for (WebRtc_UWord32 j = i+1; j < candidateSet.sizeOfSet(); j++)
+                uint32_t currentPacketOH = candidateSet.PacketOH(i);
+                uint32_t currentMinTMMBR = candidateSet.Tmmbr(i);
+                uint32_t currentMinIndexTMMBR = i;
+                for (uint32_t j = i+1; j < candidateSet.sizeOfSet(); j++)
                 {
                     if(candidateSet.PacketOH(j) == currentPacketOH)
                     {
@@ -304,7 +304,7 @@
                     }
                 }
                 // keep lowest bitrate
-                for (WebRtc_UWord32 j = 0; j < candidateSet.sizeOfSet(); j++)
+                for (uint32_t j = 0; j < candidateSet.sizeOfSet(); j++)
                 {
                   if(candidateSet.PacketOH(j) == currentPacketOH
                      && j != currentMinIndexTMMBR)
@@ -316,9 +316,9 @@
         }
         // 3. Select and remove tuple w/ lowest tmmbr.
         // (If more than 1, choose the one w/ highest OH).
-        WebRtc_UWord32 minTMMBR = 0;
-        WebRtc_UWord32 minIndexTMMBR = 0;
-        for (WebRtc_UWord32 i = 0; i < candidateSet.sizeOfSet(); i++)
+        uint32_t minTMMBR = 0;
+        uint32_t minIndexTMMBR = 0;
+        for (uint32_t i = 0; i < candidateSet.sizeOfSet(); i++)
         {
             if (candidateSet.Tmmbr(i) > 0)
             {
@@ -328,7 +328,7 @@
             }
         }
 
-        for (WebRtc_UWord32 i = 0; i < candidateSet.sizeOfSet(); i++)
+        for (uint32_t i = 0; i < candidateSet.sizeOfSet(); i++)
         {
             if (candidateSet.Tmmbr(i) > 0 && candidateSet.Tmmbr(i) <= minTMMBR)
             {
@@ -356,7 +356,7 @@
 
         // 4. Discard from candidate list all tuple w/ lower OH
         // (next tuple must be steeper)
-        for (WebRtc_UWord32 i = 0; i < candidateSet.sizeOfSet(); i++)
+        for (uint32_t i = 0; i < candidateSet.sizeOfSet(); i++)
         {
             if(candidateSet.Tmmbr(i) > 0
                && candidateSet.PacketOH(i) < _boundingSet.PacketOH(0))
@@ -383,7 +383,7 @@
             if (getNewCandidate)
             {
                 // 5. Remove first remaining tuple from candidate list
-                for (WebRtc_UWord32 i = 0; i < candidateSet.sizeOfSet(); i++)
+                for (uint32_t i = 0; i < candidateSet.sizeOfSet(); i++)
                 {
                     if (candidateSet.Tmmbr(i) > 0)
                     {
@@ -443,15 +443,15 @@
     return numBoundingSet;
 }
 
-bool TMMBRHelp::IsOwner(const WebRtc_UWord32 ssrc,
-                        const WebRtc_UWord32 length) const {
+bool TMMBRHelp::IsOwner(const uint32_t ssrc,
+                        const uint32_t length) const {
   CriticalSectionScoped lock(_criticalSection);
 
   if (length == 0) {
     // Empty bounding set.
     return false;
   }
-  for(WebRtc_UWord32 i = 0;
+  for(uint32_t i = 0;
       (i < length) && (i < _boundingSet.sizeOfSet()); ++i) {
     if(_boundingSet.Ssrc(i) == ssrc) {
       return true;
@@ -460,7 +460,7 @@
   return false;
 }
 
-bool TMMBRHelp::CalcMinBitRate( WebRtc_UWord32* minBitrateKbit) const {
+bool TMMBRHelp::CalcMinBitRate( uint32_t* minBitrateKbit) const {
   CriticalSectionScoped lock(_criticalSection);
 
   if (_candidateSet.sizeOfSet() == 0) {
@@ -469,8 +469,8 @@
   }
   *minBitrateKbit = std::numeric_limits<uint32_t>::max();
 
-  for (WebRtc_UWord32 i = 0; i < _candidateSet.lengthOfSet(); ++i) {
-    WebRtc_UWord32 curNetBitRateKbit = _candidateSet.Tmmbr(i);
+  for (uint32_t i = 0; i < _candidateSet.lengthOfSet(); ++i) {
+    uint32_t curNetBitRateKbit = _candidateSet.Tmmbr(i);
     if (curNetBitRateKbit < MIN_VIDEO_BW_MANAGEMENT_BITRATE) {
       curNetBitRateKbit = MIN_VIDEO_BW_MANAGEMENT_BITRATE;
     }
diff --git a/webrtc/modules/rtp_rtcp/source/tmmbr_help.h b/webrtc/modules/rtp_rtcp/source/tmmbr_help.h
index 45ce1c4..055c9ed 100644
--- a/webrtc/modules/rtp_rtcp/source/tmmbr_help.h
+++ b/webrtc/modules/rtp_rtcp/source/tmmbr_help.h
@@ -27,56 +27,56 @@
     TMMBRSet();
     ~TMMBRSet();
 
-    void VerifyAndAllocateSet(WebRtc_UWord32 minimumSize);
-    void VerifyAndAllocateSetKeepingData(WebRtc_UWord32 minimumSize);
+    void VerifyAndAllocateSet(uint32_t minimumSize);
+    void VerifyAndAllocateSetKeepingData(uint32_t minimumSize);
     // Number of valid data items in set.
-    WebRtc_UWord32 lengthOfSet() const { return _lengthOfSet; }
+    uint32_t lengthOfSet() const { return _lengthOfSet; }
     // Presently allocated max size of set.
-    WebRtc_UWord32 sizeOfSet() const { return _sizeOfSet; }
+    uint32_t sizeOfSet() const { return _sizeOfSet; }
     void clearSet() {
       _lengthOfSet = 0;
     }
-    WebRtc_UWord32 Tmmbr(int i) const {
+    uint32_t Tmmbr(int i) const {
       return _data.at(i).tmmbr;
     }
-    WebRtc_UWord32 PacketOH(int i) const {
+    uint32_t PacketOH(int i) const {
       return _data.at(i).packet_oh;
     }
-    WebRtc_UWord32 Ssrc(int i) const {
+    uint32_t Ssrc(int i) const {
       return _data.at(i).ssrc;
     }
     void SetEntry(unsigned int i,
-                  WebRtc_UWord32 tmmbrSet,
-                  WebRtc_UWord32 packetOHSet,
-                  WebRtc_UWord32 ssrcSet);
+                  uint32_t tmmbrSet,
+                  uint32_t packetOHSet,
+                  uint32_t ssrcSet);
 
-    void AddEntry(WebRtc_UWord32 tmmbrSet,
-                  WebRtc_UWord32 packetOHSet,
-                  WebRtc_UWord32 ssrcSet);
+    void AddEntry(uint32_t tmmbrSet,
+                  uint32_t packetOHSet,
+                  uint32_t ssrcSet);
 
     // Remove one entry from table, and move all others down.
-    void RemoveEntry(WebRtc_UWord32 sourceIdx);
+    void RemoveEntry(uint32_t sourceIdx);
 
-    void SwapEntries(WebRtc_UWord32 firstIdx,
-                     WebRtc_UWord32 secondIdx);
+    void SwapEntries(uint32_t firstIdx,
+                     uint32_t secondIdx);
 
     // Set entry data to zero, but keep it in table.
-    void ClearEntry(WebRtc_UWord32 idx);
+    void ClearEntry(uint32_t idx);
 
  private:
     class SetElement {
       public:
         SetElement() : tmmbr(0), packet_oh(0), ssrc(0) {}
-        WebRtc_UWord32 tmmbr;
-        WebRtc_UWord32 packet_oh;
-        WebRtc_UWord32 ssrc;
+        uint32_t tmmbr;
+        uint32_t packet_oh;
+        uint32_t ssrc;
     };
 
     std::vector<SetElement> _data;
     // Number of places allocated.
-    WebRtc_UWord32    _sizeOfSet;
+    uint32_t    _sizeOfSet;
     // NUmber of places currently in use.
-    WebRtc_UWord32    _lengthOfSet;
+    uint32_t    _lengthOfSet;
 };
 
 class TMMBRHelp
@@ -89,21 +89,21 @@
     TMMBRSet* CandidateSet();
     TMMBRSet* BoundingSetToSend();
 
-    TMMBRSet* VerifyAndAllocateCandidateSet(const WebRtc_UWord32 minimumSize);
-    WebRtc_Word32 FindTMMBRBoundingSet(TMMBRSet*& boundingSet);
-    WebRtc_Word32 SetTMMBRBoundingSetToSend(
+    TMMBRSet* VerifyAndAllocateCandidateSet(const uint32_t minimumSize);
+    int32_t FindTMMBRBoundingSet(TMMBRSet*& boundingSet);
+    int32_t SetTMMBRBoundingSetToSend(
         const TMMBRSet* boundingSetToSend,
-        const WebRtc_UWord32 maxBitrateKbit);
+        const uint32_t maxBitrateKbit);
 
-    bool IsOwner(const WebRtc_UWord32 ssrc, const WebRtc_UWord32 length) const;
+    bool IsOwner(const uint32_t ssrc, const uint32_t length) const;
 
-    bool CalcMinBitRate(WebRtc_UWord32* minBitrateKbit) const;
+    bool CalcMinBitRate(uint32_t* minBitrateKbit) const;
 
 protected:
-    TMMBRSet*   VerifyAndAllocateBoundingSet(WebRtc_UWord32 minimumSize);
-    WebRtc_Word32 VerifyAndAllocateBoundingSetToSend(WebRtc_UWord32 minimumSize);
+    TMMBRSet*   VerifyAndAllocateBoundingSet(uint32_t minimumSize);
+    int32_t VerifyAndAllocateBoundingSetToSend(uint32_t minimumSize);
 
-    WebRtc_Word32 FindTMMBRBoundingSet(WebRtc_Word32 numCandidates, TMMBRSet& candidateSet);
+    int32_t FindTMMBRBoundingSet(int32_t numCandidates, TMMBRSet& candidateSet);
 
 private:
     CriticalSectionWrapper* _criticalSection;
diff --git a/webrtc/modules/rtp_rtcp/test/BWEStandAlone/BWEConvergenceTest.cc b/webrtc/modules/rtp_rtcp/test/BWEStandAlone/BWEConvergenceTest.cc
index 1a55e4e..e917e93 100644
--- a/webrtc/modules/rtp_rtcp/test/BWEStandAlone/BWEConvergenceTest.cc
+++ b/webrtc/modules/rtp_rtcp/test/BWEStandAlone/BWEConvergenceTest.cc
@@ -38,7 +38,7 @@
 }
 
 
-int BWEConvergenceTestUp::Init(std::string ip, WebRtc_UWord16 port)
+int BWEConvergenceTestUp::Init(std::string ip, uint16_t port)
 {
     // create the load generator object
     const int rtpSampleRate = 90000;
diff --git a/webrtc/modules/rtp_rtcp/test/BWEStandAlone/BWEConvergenceTest.h b/webrtc/modules/rtp_rtcp/test/BWEStandAlone/BWEConvergenceTest.h
index b830d14..0226787 100644
--- a/webrtc/modules/rtp_rtcp/test/BWEStandAlone/BWEConvergenceTest.h
+++ b/webrtc/modules/rtp_rtcp/test/BWEStandAlone/BWEConvergenceTest.h
@@ -25,7 +25,7 @@
     BWEConvergenceTestUp(std::string testName, int startRateKbps, int availBWkbps);
     virtual ~BWEConvergenceTestUp();
 
-    virtual int Init(std::string ip, WebRtc_UWord16 port);
+    virtual int Init(std::string ip, uint16_t port);
 
 protected:
     virtual bool StoppingCriterionMaster();
diff --git a/webrtc/modules/rtp_rtcp/test/BWEStandAlone/BWEStabilityTest.cc b/webrtc/modules/rtp_rtcp/test/BWEStandAlone/BWEStabilityTest.cc
index 1fd19fe..886ad85 100644
--- a/webrtc/modules/rtp_rtcp/test/BWEStandAlone/BWEStabilityTest.cc
+++ b/webrtc/modules/rtp_rtcp/test/BWEStandAlone/BWEStabilityTest.cc
@@ -35,7 +35,7 @@
 }
 
 
-int BWEStabilityTest::Init(std::string ip, WebRtc_UWord16 port)
+int BWEStabilityTest::Init(std::string ip, uint16_t port)
 {
     // create the load generator object
     const int rtpSampleRate = 90000;
diff --git a/webrtc/modules/rtp_rtcp/test/BWEStandAlone/BWEStabilityTest.h b/webrtc/modules/rtp_rtcp/test/BWEStandAlone/BWEStabilityTest.h
index 8f213b1..dc23557 100644
--- a/webrtc/modules/rtp_rtcp/test/BWEStandAlone/BWEStabilityTest.h
+++ b/webrtc/modules/rtp_rtcp/test/BWEStandAlone/BWEStabilityTest.h
@@ -25,7 +25,7 @@
     BWEStabilityTest(std::string testName, int rateKbps, int testDurationSeconds);
     virtual ~BWEStabilityTest();
 
-    virtual int Init(std::string ip, WebRtc_UWord16 port);
+    virtual int Init(std::string ip, uint16_t port);
     virtual void Report(std::fstream &log);
 
 protected:
diff --git a/webrtc/modules/rtp_rtcp/test/BWEStandAlone/BWEStandAlone.cc b/webrtc/modules/rtp_rtcp/test/BWEStandAlone/BWEStandAlone.cc
index 471ea5f..1f01c70 100644
--- a/webrtc/modules/rtp_rtcp/test/BWEStandAlone/BWEStandAlone.cc
+++ b/webrtc/modules/rtp_rtcp/test/BWEStandAlone/BWEStandAlone.cc
@@ -32,36 +32,36 @@
     myTransportCB (RtpRtcp *rtpMod) : _rtpMod(rtpMod) {};
 protected:
     // Inherited from UdpTransportData
-    virtual void IncomingRTPPacket(const WebRtc_Word8* incomingRtpPacket,
-        const WebRtc_Word32 rtpPacketLength,
-        const WebRtc_Word8* fromIP,
-        const WebRtc_UWord16 fromPort);
+    virtual void IncomingRTPPacket(const int8_t* incomingRtpPacket,
+        const int32_t rtpPacketLength,
+        const int8_t* fromIP,
+        const uint16_t fromPort);
 
-    virtual void IncomingRTCPPacket(const WebRtc_Word8* incomingRtcpPacket,
-        const WebRtc_Word32 rtcpPacketLength,
-        const WebRtc_Word8* fromIP,
-        const WebRtc_UWord16 fromPort);
+    virtual void IncomingRTCPPacket(const int8_t* incomingRtcpPacket,
+        const int32_t rtcpPacketLength,
+        const int8_t* fromIP,
+        const uint16_t fromPort);
 
 private:
     RtpRtcp *_rtpMod;
 };
 
-void myTransportCB::IncomingRTPPacket(const WebRtc_Word8* incomingRtpPacket,
-                                      const WebRtc_Word32 rtpPacketLength,
-                                      const WebRtc_Word8* fromIP,
-                                      const WebRtc_UWord16 fromPort)
+void myTransportCB::IncomingRTPPacket(const int8_t* incomingRtpPacket,
+                                      const int32_t rtpPacketLength,
+                                      const int8_t* fromIP,
+                                      const uint16_t fromPort)
 {
     printf("Receiving RTP from IP %s, port %u\n", fromIP, fromPort);
-    _rtpMod->IncomingPacket((WebRtc_UWord8 *) incomingRtpPacket, static_cast<WebRtc_UWord16>(rtpPacketLength));
+    _rtpMod->IncomingPacket((uint8_t *) incomingRtpPacket, static_cast<uint16_t>(rtpPacketLength));
 }
 
-void myTransportCB::IncomingRTCPPacket(const WebRtc_Word8* incomingRtcpPacket,
-                                       const WebRtc_Word32 rtcpPacketLength,
-                                       const WebRtc_Word8* fromIP,
-                                       const WebRtc_UWord16 fromPort)
+void myTransportCB::IncomingRTCPPacket(const int8_t* incomingRtcpPacket,
+                                       const int32_t rtcpPacketLength,
+                                       const int8_t* fromIP,
+                                       const uint16_t fromPort)
 {
     printf("Receiving RTCP from IP %s, port %u\n", fromIP, fromPort);
-    _rtpMod->IncomingPacket((WebRtc_UWord8 *) incomingRtcpPacket, static_cast<WebRtc_UWord16>(rtcpPacketLength));
+    _rtpMod->IncomingPacket((uint8_t *) incomingRtcpPacket, static_cast<uint16_t>(rtcpPacketLength));
 }
 
 
@@ -69,7 +69,7 @@
 {
     bool isSender = false;
     bool isReceiver = false;
-    WebRtc_UWord16 port;
+    uint16_t port;
     std::string ip;
     TestSenderReceiver *sendrec = new TestSenderReceiver();
     TestLoadGenerator *gen;
@@ -105,12 +105,12 @@
 
     if (isSender)
     {
-        const WebRtc_UWord32 startRateKbps = 1000;
+        const uint32_t startRateKbps = 1000;
         //gen = new CBRGenerator(sendrec, 1000, 500);
         gen = new CBRFixFRGenerator(sendrec, startRateKbps, 90000, 30, 0.2);
         //gen = new PeriodicKeyFixFRGenerator(sendrec, startRateKbps, 90000, 30, 0.2, 7, 300);
-        //const WebRtc_UWord16 numFrameRates = 5;
-        //const WebRtc_UWord8 frameRates[numFrameRates] = {30, 15, 20, 23, 25};
+        //const uint16_t numFrameRates = 5;
+        //const uint8_t frameRates[numFrameRates] = {30, 15, 20, 23, 25};
         //gen = new CBRVarFRGenerator(sendrec, 1000, frameRates, numFrameRates, 90000, 4.0, 0.1, 0.2);
         //gen = new CBRFrameDropGenerator(sendrec, startRateKbps, 90000, 0.2);
         sendrec->SetLoadGenerator(gen);
@@ -130,7 +130,7 @@
 
     delete sendrec;
 
-    //WebRtc_UWord8 numberOfSocketThreads = 1;
+    //uint8_t numberOfSocketThreads = 1;
     //UdpTransport* transport = UdpTransport::Create(0, numberOfSocketThreads);
 
     //RtpRtcp* rtp = RtpRtcp::CreateRtpRtcp(1, false);
@@ -153,7 +153,7 @@
  //   transport->InitializeReceiveSockets(tp, 10000, "0.0.0.0");
  //   transport->StartReceiving(500);
 
- //   WebRtc_Word8 data[100];
+ //   int8_t data[100];
  //   for (int i = 0; i < 100; data[i] = i++);
 
  //   for (int i = 0; i < 100; i++)
@@ -163,11 +163,11 @@
 
 
 
- //   WebRtc_Word32 totTime = 0;
+ //   int32_t totTime = 0;
  //   while (totTime < 10000)
  //   {
  //       transport->Process();
- //       WebRtc_Word32 wTime = transport->TimeUntilNextProcess();
+ //       int32_t wTime = transport->TimeUntilNextProcess();
  //       totTime += wTime;
  //       Sleep(wTime);
  //   }
diff --git a/webrtc/modules/rtp_rtcp/test/BWEStandAlone/BWETestBase.cc b/webrtc/modules/rtp_rtcp/test/BWEStandAlone/BWETestBase.cc
index 2940abd..8b289a5 100644
--- a/webrtc/modules/rtp_rtcp/test/BWEStandAlone/BWETestBase.cc
+++ b/webrtc/modules/rtp_rtcp/test/BWEStandAlone/BWETestBase.cc
@@ -235,7 +235,7 @@
 }
 
 
-int BWETest::Init(std::string ip, WebRtc_UWord16 port)
+int BWETest::Init(std::string ip, uint16_t port)
 {
     if (_initialized)
     {
@@ -403,17 +403,17 @@
 
 
 // SenderReceiver callback
-void BWETest::OnOnNetworkChanged(const WebRtc_UWord32 bitrateTargetBps,
-                                 const WebRtc_UWord8 fractionLost,
-                                 const WebRtc_UWord16 roundTripTimeMs,
-                                 const WebRtc_UWord32 jitterMS,
-                                 const WebRtc_UWord16 bwEstimateKbitMin,
-                                 const WebRtc_UWord16 bwEstimateKbitMax)
+void BWETest::OnOnNetworkChanged(const uint32_t bitrateTargetBps,
+                                 const uint8_t fractionLost,
+                                 const uint16_t roundTripTimeMs,
+                                 const uint32_t jitterMS,
+                                 const uint16_t bwEstimateKbitMin,
+                                 const uint16_t bwEstimateKbitMax)
 {
     CriticalSectionScoped cs(_statCritSect);
 
     // bitrate statistics
-    WebRtc_Word32 newBitrateKbps = bitrateTargetBps/1000;
+    int32_t newBitrateKbps = bitrateTargetBps/1000;
 
     _rateVecKbps.push_back(newBitrateKbps);
     _rttVecMs.push_back(roundTripTimeMs);
@@ -421,7 +421,7 @@
 }
 
 
-int BWEOneWayTest::Init(std::string ip, WebRtc_UWord16 port)
+int BWEOneWayTest::Init(std::string ip, uint16_t port)
 {
 
     if (!_master)
@@ -442,10 +442,10 @@
     if (!_master)
     {
         // send one dummy RTP packet to enable RTT measurements
-        const WebRtc_UWord8 dummy = 0;
+        const uint8_t dummy = 0;
         //_gen->sendPayload(TickTime::MillisecondTimestamp(), &dummy, 0);
         _sendrec->SendOutgoingData(
-            static_cast<WebRtc_UWord32>(TickTime::MillisecondTimestamp()*90),
+            static_cast<uint32_t>(TickTime::MillisecondTimestamp()*90),
             &dummy, 1, webrtc::kVideoFrameDelta);
     }
 
diff --git a/webrtc/modules/rtp_rtcp/test/BWEStandAlone/BWETestBase.h b/webrtc/modules/rtp_rtcp/test/BWEStandAlone/BWETestBase.h
index bab1b94..06dd803 100644
--- a/webrtc/modules/rtp_rtcp/test/BWEStandAlone/BWETestBase.h
+++ b/webrtc/modules/rtp_rtcp/test/BWEStandAlone/BWETestBase.h
@@ -41,7 +41,7 @@
 
     bool SetMaster(bool isMaster = true);
     void UseRecvTimeout() { _sendrec->SetPacketTimeout(1000); };
-    virtual int Init(std::string ip, WebRtc_UWord16 port);
+    virtual int Init(std::string ip, uint16_t port);
     virtual bool Start();
     virtual bool Stop();
     bool ProcLoop(void);
@@ -49,12 +49,12 @@
     std::string TestName() { return (_testName); };
 
     // SenderReceiver callback
-    virtual void OnOnNetworkChanged(const WebRtc_UWord32 bitrateTargetBps,
-        const WebRtc_UWord8 fractionLost,
-        const WebRtc_UWord16 roundTripTimeMs,
-        const WebRtc_UWord32 jitterMS,
-        const WebRtc_UWord16 bwEstimateKbitMin,
-        const WebRtc_UWord16 bwEstimateKbitMax);
+    virtual void OnOnNetworkChanged(const uint32_t bitrateTargetBps,
+        const uint8_t fractionLost,
+        const uint16_t roundTripTimeMs,
+        const uint32_t jitterMS,
+        const uint16_t bwEstimateKbitMin,
+        const uint16_t bwEstimateKbitMax);
 
 
 protected:
@@ -72,8 +72,8 @@
     bool _running;
     EventWrapper *_eventPtr;
     ThreadWrapper* _procThread;
-    WebRtc_Word64 _startTimeMs;
-    WebRtc_Word64 _stopTimeMs;
+    int64_t _startTimeMs;
+    int64_t _stopTimeMs;
 
     // Statistics, protected by separate CritSect
     CriticalSectionWrapper* _statCritSect;
@@ -89,7 +89,7 @@
     BWEOneWayTest(std::string testName, int startRateKbps) :
       BWETest(testName, startRateKbps) {};
 
-    virtual int Init(std::string ip, WebRtc_UWord16 port);
+    virtual int Init(std::string ip, uint16_t port);
     virtual bool Start();
 
 protected:
diff --git a/webrtc/modules/rtp_rtcp/test/BWEStandAlone/BWETester.cc b/webrtc/modules/rtp_rtcp/test/BWEStandAlone/BWETester.cc
index f1d79fe..7f19410 100644
--- a/webrtc/modules/rtp_rtcp/test/BWEStandAlone/BWETester.cc
+++ b/webrtc/modules/rtp_rtcp/test/BWEStandAlone/BWETester.cc
@@ -148,7 +148,7 @@
 {
 
     bool isMaster = false;
-    WebRtc_UWord16 port;
+    uint16_t port;
     std::string ip;
     std::fstream log;
     log.open("TestLog.txt", std::fstream::out | std::fstream::app);
diff --git a/webrtc/modules/rtp_rtcp/test/BWEStandAlone/BWETwoWayLimitFinding.cc b/webrtc/modules/rtp_rtcp/test/BWEStandAlone/BWETwoWayLimitFinding.cc
index 043c7b0..1c0acc2 100644
--- a/webrtc/modules/rtp_rtcp/test/BWEStandAlone/BWETwoWayLimitFinding.cc
+++ b/webrtc/modules/rtp_rtcp/test/BWEStandAlone/BWETwoWayLimitFinding.cc
@@ -38,7 +38,7 @@
 }
 
 
-int BWETwoWayLimitFinding::Init(std::string ip, WebRtc_UWord16 port)
+int BWETwoWayLimitFinding::Init(std::string ip, uint16_t port)
 {
     // create the load generator object
     const int rtpSampleRate = 90000;
@@ -64,7 +64,7 @@
         _forwLimitReached = true;
     }
 
-    WebRtc_Word32 revRateKbps = _sendrec->ReceiveBitrateKbps();
+    int32_t revRateKbps = _sendrec->ReceiveBitrateKbps();
     if (revRateKbps > (0.95 * _incomingAvailBWkbps))
     {
         _revLimitReached = true;
diff --git a/webrtc/modules/rtp_rtcp/test/BWEStandAlone/BWETwoWayLimitFinding.h b/webrtc/modules/rtp_rtcp/test/BWEStandAlone/BWETwoWayLimitFinding.h
index fc790e5..4fef0e6 100644
--- a/webrtc/modules/rtp_rtcp/test/BWEStandAlone/BWETwoWayLimitFinding.h
+++ b/webrtc/modules/rtp_rtcp/test/BWEStandAlone/BWETwoWayLimitFinding.h
@@ -23,7 +23,7 @@
 
     virtual ~BWETwoWayLimitFinding();
 
-    virtual int Init(std::string ip, WebRtc_UWord16 port);
+    virtual int Init(std::string ip, uint16_t port);
 
 protected:
     virtual bool StoppingCriterionMaster();
diff --git a/webrtc/modules/rtp_rtcp/test/BWEStandAlone/MatlabPlot.cc b/webrtc/modules/rtp_rtcp/test/BWEStandAlone/MatlabPlot.cc
index 9c81fd0..939cd8a 100644
--- a/webrtc/modules/rtp_rtcp/test/BWEStandAlone/MatlabPlot.cc
+++ b/webrtc/modules/rtp_rtcp/test/BWEStandAlone/MatlabPlot.cc
@@ -66,7 +66,7 @@
 
 void MatlabLine::Append(double x, double y)
 {
-    if (_maxLen > 0 && _xData.size() > static_cast<WebRtc_UWord32>(_maxLen))
+    if (_maxLen > 0 && _xData.size() > static_cast<uint32_t>(_maxLen))
     {
         _xData.resize(_maxLen);
         _yData.resize(_maxLen);
@@ -312,7 +312,7 @@
 
 MatlabTimeLine::MatlabTimeLine(int horizonSeconds /*= -1*/, const char *plotAttrib /*= NULL*/,
                                const char *name /*= NULL*/,
-                               WebRtc_Word64 refTimeMs /* = -1*/)
+                               int64_t refTimeMs /* = -1*/)
                                :
 _timeHorizon(horizonSeconds),
 MatlabLine(-1, plotAttrib, name) // infinite number of elements
@@ -340,7 +340,7 @@
             - _timeHorizon; // remove data points older than this
 
         std::list<double>::reverse_iterator ritx = _xData.rbegin();
-        WebRtc_UWord32 removeCount = 0;
+        uint32_t removeCount = 0;
         while (ritx != _xData.rend())
         {
             if (*ritx >= historyLimit)
@@ -366,7 +366,7 @@
 }
 
 
-WebRtc_Word64 MatlabTimeLine::GetRefTime()
+int64_t MatlabTimeLine::GetRefTime()
 {
     return(_refTimeMs);
 }
@@ -433,7 +433,7 @@
 
 
 int MatlabPlot::AddTimeLine(int maxLen /*= -1*/, const char *plotAttrib /*= NULL*/, const char *name /*= NULL*/,
-                            WebRtc_Word64 refTimeMs /*= -1*/)
+                            int64_t refTimeMs /*= -1*/)
 {
     CriticalSectionScoped cs(_critSect);
 
@@ -1031,7 +1031,7 @@
                     // things to plot, we have already accessed what we need in the plot
                     plot->DonePlotting();
 
-                    WebRtc_Word64 start = TickTime::MillisecondTimestamp();
+                    int64_t start = TickTime::MillisecondTimestamp();
                     // plot it
                     int ret = engEvalString(ep, cmd.str().c_str());
                     printf("time=%I64i\n", TickTime::MillisecondTimestamp() - start);
diff --git a/webrtc/modules/rtp_rtcp/test/BWEStandAlone/MatlabPlot.h b/webrtc/modules/rtp_rtcp/test/BWEStandAlone/MatlabPlot.h
index 08c7006..fdf382d 100644
--- a/webrtc/modules/rtp_rtcp/test/BWEStandAlone/MatlabPlot.h
+++ b/webrtc/modules/rtp_rtcp/test/BWEStandAlone/MatlabPlot.h
@@ -74,14 +74,14 @@
 {
 public:
     MatlabTimeLine(int horizonSeconds = -1, const char *plotAttrib = NULL, const char *name = NULL,
-        WebRtc_Word64 refTimeMs = -1);
+        int64_t refTimeMs = -1);
     ~MatlabTimeLine() {};
     void Append(double y);
     void PurgeOldData();
-    WebRtc_Word64 GetRefTime();
+    int64_t GetRefTime();
 
 private:
-    WebRtc_Word64 _refTimeMs;
+    int64_t _refTimeMs;
     int _timeHorizon;
 };
 
@@ -96,7 +96,7 @@
 
     int AddLine(int maxLen = -1, const char *plotAttrib = NULL, const char *name = NULL);
     int AddTimeLine(int maxLen = -1, const char *plotAttrib = NULL, const char *name = NULL,
-        WebRtc_Word64 refTimeMs = -1);
+        int64_t refTimeMs = -1);
     int GetLineIx(const char *name);
     void Append(int lineIndex, double x, double y);
     void Append(int lineIndex, double y);
@@ -118,8 +118,8 @@
     int MakeTrend(const char *sourceName, const char *trendName, double slope, double offset, const char *plotAttrib = NULL);
 
 #ifdef PLOT_TESTING
-    WebRtc_Word64 _plotStartTime;
-    WebRtc_Word64 _plotDelay;
+    int64_t _plotStartTime;
+    int64_t _plotDelay;
 #endif
 
 private:
diff --git a/webrtc/modules/rtp_rtcp/test/BWEStandAlone/TestLoadGenerator.cc b/webrtc/modules/rtp_rtcp/test/BWEStandAlone/TestLoadGenerator.cc
index d322242..cc49402 100644
--- a/webrtc/modules/rtp_rtcp/test/BWEStandAlone/TestLoadGenerator.cc
+++ b/webrtc/modules/rtp_rtcp/test/BWEStandAlone/TestLoadGenerator.cc
@@ -31,7 +31,7 @@
 }
 
 
-TestLoadGenerator::TestLoadGenerator(TestSenderReceiver *sender, WebRtc_Word32 rtpSampleRate)
+TestLoadGenerator::TestLoadGenerator(TestSenderReceiver *sender, int32_t rtpSampleRate)
 :
 _critSect(CriticalSectionWrapper::CreateCriticalSection()),
 _eventPtr(NULL),
@@ -53,7 +53,7 @@
     delete _critSect;
 }
 
-WebRtc_Word32 TestLoadGenerator::SetBitrate (WebRtc_Word32 newBitrateKbps)
+int32_t TestLoadGenerator::SetBitrate (int32_t newBitrateKbps)
 {
     CriticalSectionScoped cs(_critSect);
 
@@ -70,7 +70,7 @@
 }
 
 
-WebRtc_Word32 TestLoadGenerator::Start (const char *threadName)
+int32_t TestLoadGenerator::Start (const char *threadName)
 {
     CriticalSectionScoped cs(_critSect);
 
@@ -92,7 +92,7 @@
 }
 
 
-WebRtc_Word32 TestLoadGenerator::Stop ()
+int32_t TestLoadGenerator::Stop ()
 {
     _critSect.Enter();
 
@@ -123,13 +123,13 @@
 
 int TestLoadGenerator::generatePayload ()
 {
-    return(generatePayload( static_cast<WebRtc_UWord32>( TickTime::MillisecondTimestamp() * _rtpSampleRate / 1000 )));
+    return(generatePayload( static_cast<uint32_t>( TickTime::MillisecondTimestamp() * _rtpSampleRate / 1000 )));
 }
 
 
-int TestLoadGenerator::sendPayload (const WebRtc_UWord32 timeStamp,
-                                    const WebRtc_UWord8* payloadData,
-                                    const WebRtc_UWord32 payloadSize,
+int TestLoadGenerator::sendPayload (const uint32_t timeStamp,
+                                    const uint8_t* payloadData,
+                                    const uint32_t payloadSize,
                                     const webrtc::FrameType frameType /*= webrtc::kVideoFrameDelta*/)
 {
 
@@ -137,11 +137,11 @@
 }
 
 
-CBRGenerator::CBRGenerator (TestSenderReceiver *sender, WebRtc_Word32 payloadSizeBytes, WebRtc_Word32 bitrateKbps, WebRtc_Word32 rtpSampleRate)
+CBRGenerator::CBRGenerator (TestSenderReceiver *sender, int32_t payloadSizeBytes, int32_t bitrateKbps, int32_t rtpSampleRate)
 :
 //_eventPtr(NULL),
 _payloadSizeBytes(payloadSizeBytes),
-_payload(new WebRtc_UWord8[payloadSizeBytes]),
+_payload(new uint8_t[payloadSizeBytes]),
 TestLoadGenerator(sender, rtpSampleRate)
 {
     SetBitrate (bitrateKbps);
@@ -164,37 +164,37 @@
 bool CBRGenerator::GeneratorLoop ()
 {
     double periodMs;
-    WebRtc_Word64 nextSendTime = TickTime::MillisecondTimestamp();
+    int64_t nextSendTime = TickTime::MillisecondTimestamp();
 
 
     // no critSect
     while (_running)
     {
         // send data (critSect inside)
-        generatePayload( static_cast<WebRtc_UWord32>(nextSendTime * _rtpSampleRate / 1000) );
+        generatePayload( static_cast<uint32_t>(nextSendTime * _rtpSampleRate / 1000) );
 
         // calculate wait time
         periodMs = 8.0 * _payloadSizeBytes / ( _bitrateKbps );
 
-        nextSendTime = static_cast<WebRtc_Word64>(nextSendTime + periodMs);
+        nextSendTime = static_cast<int64_t>(nextSendTime + periodMs);
 
-        WebRtc_Word32 waitTime = static_cast<WebRtc_Word32>(nextSendTime - TickTime::MillisecondTimestamp());
+        int32_t waitTime = static_cast<int32_t>(nextSendTime - TickTime::MillisecondTimestamp());
         if (waitTime < 0)
         {
             waitTime = 0;
         }
         // wait
-        _eventPtr->Wait(static_cast<WebRtc_Word32>(waitTime));
+        _eventPtr->Wait(static_cast<int32_t>(waitTime));
     }
 
     return true;
 }
 
-int CBRGenerator::generatePayload ( WebRtc_UWord32 timestamp )
+int CBRGenerator::generatePayload ( uint32_t timestamp )
 {
     CriticalSectionScoped cs(_critSect);
 
-    //WebRtc_UWord8 *payload = new WebRtc_UWord8[_payloadSizeBytes];
+    //uint8_t *payload = new uint8_t[_payloadSizeBytes];
 
     int ret = sendPayload(timestamp, _payload, _payloadSizeBytes);
 
@@ -207,8 +207,8 @@
 
 /////////////////////
 
-CBRFixFRGenerator::CBRFixFRGenerator (TestSenderReceiver *sender, WebRtc_Word32 bitrateKbps,
-                                      WebRtc_Word32 rtpSampleRate, WebRtc_Word32 frameRateFps /*= 30*/,
+CBRFixFRGenerator::CBRFixFRGenerator (TestSenderReceiver *sender, int32_t bitrateKbps,
+                                      int32_t rtpSampleRate, int32_t frameRateFps /*= 30*/,
                                       double spread /*= 0.0*/)
 :
 //_eventPtr(NULL),
@@ -240,7 +240,7 @@
 bool CBRFixFRGenerator::GeneratorLoop ()
 {
     double periodMs;
-    WebRtc_Word64 nextSendTime = TickTime::MillisecondTimestamp();
+    int64_t nextSendTime = TickTime::MillisecondTimestamp();
 
     _critSect.Enter();
 
@@ -271,22 +271,22 @@
                     _payload = NULL;
                 }
 
-                _payloadAllocLen = static_cast<WebRtc_Word32>((_payloadSizeBytes * (1 + _spreadFactor) * 3) / 2 + .5); // 50% extra to avoid frequent re-alloc
-                _payload = new WebRtc_UWord8[_payloadAllocLen];
+                _payloadAllocLen = static_cast<int32_t>((_payloadSizeBytes * (1 + _spreadFactor) * 3) / 2 + .5); // 50% extra to avoid frequent re-alloc
+                _payload = new uint8_t[_payloadAllocLen];
             }
 
 
             // send data (critSect inside)
-            generatePayload( static_cast<WebRtc_UWord32>(nextSendTime * _rtpSampleRate / 1000) );
+            generatePayload( static_cast<uint32_t>(nextSendTime * _rtpSampleRate / 1000) );
         }
 
         _critSect.Leave();
 
         // calculate wait time
         periodMs = 1000.0 / _frameRateFps;
-        nextSendTime = static_cast<WebRtc_Word64>(nextSendTime + periodMs + 0.5);
+        nextSendTime = static_cast<int64_t>(nextSendTime + periodMs + 0.5);
 
-        WebRtc_Word32 waitTime = static_cast<WebRtc_Word32>(nextSendTime - TickTime::MillisecondTimestamp());
+        int32_t waitTime = static_cast<int32_t>(nextSendTime - TickTime::MillisecondTimestamp());
         if (waitTime < 0)
         {
             waitTime = 0;
@@ -298,20 +298,20 @@
     return true;
 }
 
-WebRtc_Word32 CBRFixFRGenerator::nextPayloadSize()
+int32_t CBRFixFRGenerator::nextPayloadSize()
 {
     const double periodMs = 1000.0 / _frameRateFps;
-    return static_cast<WebRtc_Word32>(_bitrateKbps * periodMs / 8 + 0.5);
+    return static_cast<int32_t>(_bitrateKbps * periodMs / 8 + 0.5);
 }
 
-int CBRFixFRGenerator::generatePayload ( WebRtc_UWord32 timestamp )
+int CBRFixFRGenerator::generatePayload ( uint32_t timestamp )
 {
     CriticalSectionScoped cs(_critSect);
 
     double factor = ((double) rand() - RAND_MAX/2) / RAND_MAX; // [-0.5; 0.5]
     factor = 1 + 2 * _spreadFactor * factor; // [1 - _spreadFactor ; 1 + _spreadFactor]
 
-    WebRtc_Word32 thisPayloadBytes = static_cast<WebRtc_Word32>(_payloadSizeBytes * factor);
+    int32_t thisPayloadBytes = static_cast<int32_t>(_payloadSizeBytes * factor);
     // sanity
     if (thisPayloadBytes > _payloadAllocLen)
     {
@@ -325,9 +325,9 @@
 
 /////////////////////
 
-PeriodicKeyFixFRGenerator::PeriodicKeyFixFRGenerator (TestSenderReceiver *sender, WebRtc_Word32 bitrateKbps,
-                                                      WebRtc_Word32 rtpSampleRate, WebRtc_Word32 frameRateFps /*= 30*/,
-                                                      double spread /*= 0.0*/, double keyFactor /*= 4.0*/, WebRtc_UWord32 keyPeriod /*= 300*/)
+PeriodicKeyFixFRGenerator::PeriodicKeyFixFRGenerator (TestSenderReceiver *sender, int32_t bitrateKbps,
+                                                      int32_t rtpSampleRate, int32_t frameRateFps /*= 30*/,
+                                                      double spread /*= 0.0*/, double keyFactor /*= 4.0*/, uint32_t keyPeriod /*= 300*/)
 :
 _keyFactor(keyFactor),
 _keyPeriod(keyPeriod),
@@ -336,15 +336,15 @@
 {
 }
 
-WebRtc_Word32 PeriodicKeyFixFRGenerator::nextPayloadSize()
+int32_t PeriodicKeyFixFRGenerator::nextPayloadSize()
 {
     // calculate payload size for a delta frame
-    WebRtc_Word32 payloadSizeBytes = static_cast<WebRtc_Word32>(1000 * _bitrateKbps / (8.0 * _frameRateFps * (1.0 + (_keyFactor - 1.0) / _keyPeriod)) + 0.5);
+    int32_t payloadSizeBytes = static_cast<int32_t>(1000 * _bitrateKbps / (8.0 * _frameRateFps * (1.0 + (_keyFactor - 1.0) / _keyPeriod)) + 0.5);
 
     if (_frameCount % _keyPeriod == 0)
     {
         // this is a key frame, scale the payload size
-        payloadSizeBytes = static_cast<WebRtc_Word32>(_keyFactor * _payloadSizeBytes + 0.5);
+        payloadSizeBytes = static_cast<int32_t>(_keyFactor * _payloadSizeBytes + 0.5);
     }
     _frameCount++;
 
@@ -353,8 +353,8 @@
 
 ////////////////////
 
-CBRVarFRGenerator::CBRVarFRGenerator(TestSenderReceiver *sender, WebRtc_Word32 bitrateKbps, const WebRtc_UWord8* frameRates,
-                                     WebRtc_UWord16 numFrameRates, WebRtc_Word32 rtpSampleRate, double avgFrPeriodMs,
+CBRVarFRGenerator::CBRVarFRGenerator(TestSenderReceiver *sender, int32_t bitrateKbps, const uint8_t* frameRates,
+                                     uint16_t numFrameRates, int32_t rtpSampleRate, double avgFrPeriodMs,
                                      double frSpreadFactor, double spreadFactor)
 :
 _avgFrPeriodMs(avgFrPeriodMs),
@@ -364,7 +364,7 @@
 _frChangeTimeMs(TickTime::MillisecondTimestamp() + _avgFrPeriodMs),
 CBRFixFRGenerator(sender, bitrateKbps, rtpSampleRate, frameRates[0], spreadFactor)
 {
-    _frameRates = new WebRtc_UWord8[_numFrameRates];
+    _frameRates = new uint8_t[_numFrameRates];
     memcpy(_frameRates, frameRates, _numFrameRates);
 }
 
@@ -375,26 +375,26 @@
 
 void CBRVarFRGenerator::ChangeFrameRate()
 {
-    const WebRtc_Word64 nowMs = TickTime::MillisecondTimestamp();
+    const int64_t nowMs = TickTime::MillisecondTimestamp();
     if (nowMs < _frChangeTimeMs)
     {
         return;
     }
     // Time to change frame rate
-    WebRtc_UWord16 frIndex = static_cast<WebRtc_UWord16>(static_cast<double>(rand()) / RAND_MAX
+    uint16_t frIndex = static_cast<uint16_t>(static_cast<double>(rand()) / RAND_MAX
                                             * (_numFrameRates - 1) + 0.5) ;
     assert(frIndex < _numFrameRates);
     _frameRateFps = _frameRates[frIndex];
     // Update the next frame rate change time
     double factor = ((double) rand() - RAND_MAX/2) / RAND_MAX; // [-0.5; 0.5]
     factor = 1 + 2 * _frSpreadFactor * factor; // [1 - _frSpreadFactor ; 1 + _frSpreadFactor]
-    _frChangeTimeMs = nowMs + static_cast<WebRtc_Word64>(1000.0 * factor *
-                                    _avgFrPeriodMs + 0.5);
+    _frChangeTimeMs = nowMs + static_cast<int64_t>(1000.0 * factor *
+                                                   _avgFrPeriodMs + 0.5);
 
     printf("New frame rate: %d\n", _frameRateFps);
 }
 
-WebRtc_Word32 CBRVarFRGenerator::nextPayloadSize()
+int32_t CBRVarFRGenerator::nextPayloadSize()
 {
     ChangeFrameRate();
     return CBRFixFRGenerator::nextPayloadSize();
@@ -402,8 +402,8 @@
 
 ////////////////////
 
-CBRFrameDropGenerator::CBRFrameDropGenerator(TestSenderReceiver *sender, WebRtc_Word32 bitrateKbps,
-                                         WebRtc_Word32 rtpSampleRate, double spreadFactor)
+CBRFrameDropGenerator::CBRFrameDropGenerator(TestSenderReceiver *sender, int32_t bitrateKbps,
+                                         int32_t rtpSampleRate, double spreadFactor)
 :
 _accBits(0),
 CBRFixFRGenerator(sender, bitrateKbps, rtpSampleRate, 30, spreadFactor)
@@ -414,7 +414,7 @@
 {
 }
 
-WebRtc_Word32 CBRFrameDropGenerator::nextPayloadSize()
+int32_t CBRFrameDropGenerator::nextPayloadSize()
 {
     _accBits -= 1000 * _bitrateKbps / _frameRateFps;
     if (_accBits < 0)
@@ -430,8 +430,8 @@
     {
         //printf("keep\n");
         const double periodMs = 1000.0 / _frameRateFps;
-        WebRtc_Word32 frameSize = static_cast<WebRtc_Word32>(_bitrateKbps * periodMs / 8 + 0.5);
-        frameSize = std::max(frameSize, static_cast<WebRtc_Word32>(300 * periodMs / 8 + 0.5));
+        int32_t frameSize = static_cast<int32_t>(_bitrateKbps * periodMs / 8 + 0.5);
+        frameSize = std::max(frameSize, static_cast<int32_t>(300 * periodMs / 8 + 0.5));
         _accBits += frameSize * 8;
         return frameSize;
     }
diff --git a/webrtc/modules/rtp_rtcp/test/BWEStandAlone/TestLoadGenerator.h b/webrtc/modules/rtp_rtcp/test/BWEStandAlone/TestLoadGenerator.h
index c22591c..232796a 100644
--- a/webrtc/modules/rtp_rtcp/test/BWEStandAlone/TestLoadGenerator.h
+++ b/webrtc/modules/rtp_rtcp/test/BWEStandAlone/TestLoadGenerator.h
@@ -26,85 +26,85 @@
 class TestLoadGenerator
 {
 public:
-    TestLoadGenerator (TestSenderReceiver *sender, WebRtc_Word32 rtpSampleRate = 90000);
+    TestLoadGenerator (TestSenderReceiver *sender, int32_t rtpSampleRate = 90000);
     virtual ~TestLoadGenerator ();
 
-    WebRtc_Word32 SetBitrate (WebRtc_Word32 newBitrateKbps);
-    virtual WebRtc_Word32 Start (const char *threadName = NULL);
-    virtual WebRtc_Word32 Stop ();
+    int32_t SetBitrate (int32_t newBitrateKbps);
+    virtual int32_t Start (const char *threadName = NULL);
+    virtual int32_t Stop ();
     virtual bool GeneratorLoop () = 0;
 
 protected:
-    virtual int generatePayload ( WebRtc_UWord32 timestamp ) = 0;
+    virtual int generatePayload ( uint32_t timestamp ) = 0;
     int generatePayload ();
-    int sendPayload (const WebRtc_UWord32 timeStamp,
-        const WebRtc_UWord8* payloadData,
-        const WebRtc_UWord32 payloadSize,
+    int sendPayload (const uint32_t timeStamp,
+        const uint8_t* payloadData,
+        const uint32_t payloadSize,
         const webrtc::FrameType frameType = webrtc::kVideoFrameDelta);
 
     webrtc::CriticalSectionWrapper* _critSect;
     webrtc::EventWrapper *_eventPtr;
     webrtc::ThreadWrapper* _genThread;
-    WebRtc_Word32 _bitrateKbps;
+    int32_t _bitrateKbps;
     TestSenderReceiver *_sender;
     bool _running;
-    WebRtc_Word32 _rtpSampleRate;
+    int32_t _rtpSampleRate;
 };
 
 
 class CBRGenerator : public TestLoadGenerator
 {
 public:
-    CBRGenerator (TestSenderReceiver *sender, WebRtc_Word32 payloadSizeBytes, WebRtc_Word32 bitrateKbps, WebRtc_Word32 rtpSampleRate = 90000);
+    CBRGenerator (TestSenderReceiver *sender, int32_t payloadSizeBytes, int32_t bitrateKbps, int32_t rtpSampleRate = 90000);
     virtual ~CBRGenerator ();
 
-    virtual WebRtc_Word32 Start () {return (TestLoadGenerator::Start("CBRGenerator"));};
+    virtual int32_t Start () {return (TestLoadGenerator::Start("CBRGenerator"));};
 
     virtual bool GeneratorLoop ();
 
 protected:
-    virtual int generatePayload ( WebRtc_UWord32 timestamp );
+    virtual int generatePayload ( uint32_t timestamp );
 
-    WebRtc_Word32 _payloadSizeBytes;
-    WebRtc_UWord8 *_payload;
+    int32_t _payloadSizeBytes;
+    uint8_t *_payload;
 };
 
 
 class CBRFixFRGenerator : public TestLoadGenerator // constant bitrate and fixed frame rate
 {
 public:
-    CBRFixFRGenerator (TestSenderReceiver *sender, WebRtc_Word32 bitrateKbps, WebRtc_Word32 rtpSampleRate = 90000,
-        WebRtc_Word32 frameRateFps = 30, double spread = 0.0);
+    CBRFixFRGenerator (TestSenderReceiver *sender, int32_t bitrateKbps, int32_t rtpSampleRate = 90000,
+        int32_t frameRateFps = 30, double spread = 0.0);
     virtual ~CBRFixFRGenerator ();
 
-    virtual WebRtc_Word32 Start () {return (TestLoadGenerator::Start("CBRFixFRGenerator"));};
+    virtual int32_t Start () {return (TestLoadGenerator::Start("CBRFixFRGenerator"));};
 
     virtual bool GeneratorLoop ();
 
 protected:
-    virtual WebRtc_Word32 nextPayloadSize ();
-    virtual int generatePayload ( WebRtc_UWord32 timestamp );
+    virtual int32_t nextPayloadSize ();
+    virtual int generatePayload ( uint32_t timestamp );
 
-    WebRtc_Word32 _payloadSizeBytes;
-    WebRtc_UWord8 *_payload;
-    WebRtc_Word32 _payloadAllocLen;
-    WebRtc_Word32 _frameRateFps;
+    int32_t _payloadSizeBytes;
+    uint8_t *_payload;
+    int32_t _payloadAllocLen;
+    int32_t _frameRateFps;
     double      _spreadFactor;
 };
 
 class PeriodicKeyFixFRGenerator : public CBRFixFRGenerator // constant bitrate and fixed frame rate with periodically large frames
 {
 public:
-    PeriodicKeyFixFRGenerator (TestSenderReceiver *sender, WebRtc_Word32 bitrateKbps, WebRtc_Word32 rtpSampleRate = 90000,
-        WebRtc_Word32 frameRateFps = 30, double spread = 0.0, double keyFactor = 4.0, WebRtc_UWord32 keyPeriod = 300);
+    PeriodicKeyFixFRGenerator (TestSenderReceiver *sender, int32_t bitrateKbps, int32_t rtpSampleRate = 90000,
+        int32_t frameRateFps = 30, double spread = 0.0, double keyFactor = 4.0, uint32_t keyPeriod = 300);
     virtual ~PeriodicKeyFixFRGenerator () {}
 
 protected:
-    virtual WebRtc_Word32 nextPayloadSize ();
+    virtual int32_t nextPayloadSize ();
 
     double          _keyFactor;
-    WebRtc_UWord32    _keyPeriod;
-    WebRtc_UWord32    _frameCount;
+    uint32_t    _keyPeriod;
+    uint32_t    _frameCount;
 };
 
 // Probably better to inherit CBRFixFRGenerator from CBRVarFRGenerator, but since
@@ -112,33 +112,33 @@
 class CBRVarFRGenerator : public CBRFixFRGenerator // constant bitrate and variable frame rate
 {
 public:
-    CBRVarFRGenerator(TestSenderReceiver *sender, WebRtc_Word32 bitrateKbps, const WebRtc_UWord8* frameRates,
-        WebRtc_UWord16 numFrameRates, WebRtc_Word32 rtpSampleRate = 90000, double avgFrPeriodMs = 5.0,
+    CBRVarFRGenerator(TestSenderReceiver *sender, int32_t bitrateKbps, const uint8_t* frameRates,
+        uint16_t numFrameRates, int32_t rtpSampleRate = 90000, double avgFrPeriodMs = 5.0,
         double frSpreadFactor = 0.05, double spreadFactor = 0.0);
 
     ~CBRVarFRGenerator();
 
 protected:
     virtual void ChangeFrameRate();
-    virtual WebRtc_Word32 nextPayloadSize ();
+    virtual int32_t nextPayloadSize ();
 
     double       _avgFrPeriodMs;
     double       _frSpreadFactor;
-    WebRtc_UWord8* _frameRates;
-    WebRtc_UWord16 _numFrameRates;
-    WebRtc_Word64  _frChangeTimeMs;
+    uint8_t* _frameRates;
+    uint16_t _numFrameRates;
+    int64_t  _frChangeTimeMs;
 };
 
 class CBRFrameDropGenerator : public CBRFixFRGenerator // constant bitrate and variable frame rate
 {
 public:
-    CBRFrameDropGenerator(TestSenderReceiver *sender, WebRtc_Word32 bitrateKbps,
-                    WebRtc_Word32 rtpSampleRate = 90000, double spreadFactor = 0.0);
+    CBRFrameDropGenerator(TestSenderReceiver *sender, int32_t bitrateKbps,
+                    int32_t rtpSampleRate = 90000, double spreadFactor = 0.0);
 
     ~CBRFrameDropGenerator();
 
 protected:
-    virtual WebRtc_Word32 nextPayloadSize();
+    virtual int32_t nextPayloadSize();
 
     double       _accBits;
 };
diff --git a/webrtc/modules/rtp_rtcp/test/BWEStandAlone/TestSenderReceiver.cc b/webrtc/modules/rtp_rtcp/test/BWEStandAlone/TestSenderReceiver.cc
index 1fc0fd3..85666c5 100644
--- a/webrtc/modules/rtp_rtcp/test/BWEStandAlone/TestSenderReceiver.cc
+++ b/webrtc/modules/rtp_rtcp/test/BWEStandAlone/TestSenderReceiver.cc
@@ -71,7 +71,7 @@
     }
 
     // SocketTransport module
-    WebRtc_UWord8 numberOfThreads = 1;
+    uint8_t numberOfThreads = 1;
     _transport = UdpTransport::Create(0, numberOfThreads);
     if (!_transport)
     {
@@ -104,9 +104,9 @@
 }
 
 
-WebRtc_Word32 TestSenderReceiver::InitReceiver (const WebRtc_UWord16 rtpPort,
-                                              const WebRtc_UWord16 rtcpPort,
-                                              const WebRtc_Word8 payloadType /*= 127*/)
+int32_t TestSenderReceiver::InitReceiver (const uint16_t rtpPort,
+                                          const uint16_t rtcpPort,
+                                          const int8_t payloadType /*= 127*/)
 {
     CriticalSectionScoped cs(_critSect);
 
@@ -153,7 +153,7 @@
 }
 
 
-WebRtc_Word32 TestSenderReceiver::Start()
+int32_t TestSenderReceiver::Start()
 {
     CriticalSectionScoped cs(_critSect);
 
@@ -191,7 +191,7 @@
 }
 
 
-WebRtc_Word32 TestSenderReceiver::Stop ()
+int32_t TestSenderReceiver::Stop ()
 {
     CriticalSectionScoped cs(_critSect);
 
@@ -232,12 +232,12 @@
     while (_running)
     {
         // ask RTP/RTCP module for wait time
-        WebRtc_Word32 rtpWait = _rtp->TimeUntilNextProcess();
+        int32_t rtpWait = _rtp->TimeUntilNextProcess();
 
         // ask SocketTransport module for wait time
-        WebRtc_Word32 tpWait = _transport->TimeUntilNextProcess();
+        int32_t tpWait = _transport->TimeUntilNextProcess();
 
-        WebRtc_Word32 minWait = (rtpWait < tpWait) ? rtpWait: tpWait;
+        int32_t minWait = (rtpWait < tpWait) ? rtpWait: tpWait;
         minWait = (minWait > 0) ? minWait : 0;
         // wait
         _eventPtr->Wait(minWait);
@@ -254,23 +254,23 @@
 }
 
 
-WebRtc_Word32 TestSenderReceiver::ReceiveBitrateKbps ()
+int32_t TestSenderReceiver::ReceiveBitrateKbps ()
 {
-    WebRtc_UWord32 bytesSent;
-    WebRtc_UWord32 packetsSent;
-    WebRtc_UWord32 bytesReceived;
-    WebRtc_UWord32 packetsReceived;
+    uint32_t bytesSent;
+    uint32_t packetsSent;
+    uint32_t bytesReceived;
+    uint32_t packetsReceived;
 
     if (_rtp->DataCountersRTP(&bytesSent, &packetsSent, &bytesReceived, &packetsReceived) == 0)
     {
-        WebRtc_Word64 now = TickTime::MillisecondTimestamp();
-        WebRtc_Word32 kbps = 0;
+        int64_t now = TickTime::MillisecondTimestamp();
+        int32_t kbps = 0;
         if (now > _lastTime)
         {
             if (_lastTime > 0)
             {
                 // 8 * bytes / ms = kbps
-                kbps = static_cast<WebRtc_Word32>(
+                kbps = static_cast<int32_t>(
                     (8 * (bytesReceived - _lastBytesReceived)) / (now - _lastTime));
             }
             _lastTime = now;
@@ -283,13 +283,13 @@
 }
 
 
-WebRtc_Word32 TestSenderReceiver::SetPacketTimeout(const WebRtc_UWord32 timeoutMS)
+int32_t TestSenderReceiver::SetPacketTimeout(const uint32_t timeoutMS)
 {
     return (_rtp->SetPacketTimeout(timeoutMS, 0 /* RTCP timeout */));
 }
 
 
-void TestSenderReceiver::OnPacketTimeout(const WebRtc_Word32 id)
+void TestSenderReceiver::OnPacketTimeout(const int32_t id)
 {
     CriticalSectionScoped lock(_critSect);
 
@@ -297,7 +297,7 @@
 }
 
 
-void TestSenderReceiver::OnReceivedPacket(const WebRtc_Word32 id,
+void TestSenderReceiver::OnReceivedPacket(const int32_t id,
                                     const RtpRtcpPacketType packetType)
 {
     // do nothing
@@ -305,31 +305,31 @@
 
 }
 
-WebRtc_Word32 TestSenderReceiver::OnReceivedPayloadData(const WebRtc_UWord8* payloadData,
-                                          const WebRtc_UWord16 payloadSize,
-                                          const webrtc::WebRtcRTPHeader* rtpHeader)
+int32_t TestSenderReceiver::OnReceivedPayloadData(const uint8_t* payloadData,
+                                                  const uint16_t payloadSize,
+                                                  const webrtc::WebRtcRTPHeader* rtpHeader)
 {
     //printf("OnReceivedPayloadData\n");
     return (0);
 }
 
 
-void TestSenderReceiver::IncomingRTPPacket(const WebRtc_Word8* incomingRtpPacket,
-                                      const WebRtc_Word32 rtpPacketLength,
-                                      const WebRtc_Word8* fromIP,
-                                      const WebRtc_UWord16 fromPort)
+void TestSenderReceiver::IncomingRTPPacket(const int8_t* incomingRtpPacket,
+                                      const int32_t rtpPacketLength,
+                                      const int8_t* fromIP,
+                                      const uint16_t fromPort)
 {
-    _rtp->IncomingPacket((WebRtc_UWord8 *) incomingRtpPacket, static_cast<WebRtc_UWord16>(rtpPacketLength));
+    _rtp->IncomingPacket((uint8_t *) incomingRtpPacket, static_cast<uint16_t>(rtpPacketLength));
 }
 
 
 
-void TestSenderReceiver::IncomingRTCPPacket(const WebRtc_Word8* incomingRtcpPacket,
-                                       const WebRtc_Word32 rtcpPacketLength,
-                                       const WebRtc_Word8* fromIP,
-                                       const WebRtc_UWord16 fromPort)
+void TestSenderReceiver::IncomingRTCPPacket(const int8_t* incomingRtcpPacket,
+                                       const int32_t rtcpPacketLength,
+                                       const int8_t* fromIP,
+                                       const uint16_t fromPort)
 {
-    _rtp->IncomingPacket((WebRtc_UWord8 *) incomingRtcpPacket, static_cast<WebRtc_UWord16>(rtcpPacketLength));
+    _rtp->IncomingPacket((uint8_t *) incomingRtcpPacket, static_cast<uint16_t>(rtcpPacketLength));
 }
 
 
@@ -339,11 +339,11 @@
 ///////////////////
 
 
-WebRtc_Word32 TestSenderReceiver::InitSender (const WebRtc_UWord32 startBitrateKbps,
-                                            const WebRtc_Word8* ipAddr,
-                                            const WebRtc_UWord16 rtpPort,
-                                            const WebRtc_UWord16 rtcpPort /*= 0*/,
-                                            const WebRtc_Word8 payloadType /*= 127*/)
+int32_t TestSenderReceiver::InitSender (const uint32_t startBitrateKbps,
+                                        const int8_t* ipAddr,
+                                        const uint16_t rtpPort,
+                                        const uint16_t rtcpPort /*= 0*/,
+                                        const int8_t payloadType /*= 127*/)
 {
     CriticalSectionScoped cs(_critSect);
 
@@ -399,17 +399,17 @@
 
 
 
-WebRtc_Word32
-TestSenderReceiver::SendOutgoingData(const WebRtc_UWord32 timeStamp,
-                                     const WebRtc_UWord8* payloadData,
-                                     const WebRtc_UWord32 payloadSize,
+int32_t
+TestSenderReceiver::SendOutgoingData(const uint32_t timeStamp,
+                                     const uint8_t* payloadData,
+                                     const uint32_t payloadSize,
                                      const webrtc::FrameType frameType /*= webrtc::kVideoFrameDelta*/)
 {
     return (_rtp->SendOutgoingData(frameType, _payloadType, timeStamp, payloadData, payloadSize));
 }
 
 
-WebRtc_Word32 TestSenderReceiver::SetLoadGenerator(TestLoadGenerator *generator)
+int32_t TestSenderReceiver::SetLoadGenerator(TestLoadGenerator *generator)
 {
     CriticalSectionScoped cs(_critSect);
 
@@ -418,13 +418,13 @@
 
 }
 
-void TestSenderReceiver::OnNetworkChanged(const WebRtc_Word32 id,
-                                  const WebRtc_UWord32 minBitrateBps,
-                                  const WebRtc_UWord32 maxBitrateBps,
-                                  const WebRtc_UWord8 fractionLost,
-                                  const WebRtc_UWord16 roundTripTimeMs,
-                                  const WebRtc_UWord16 bwEstimateKbitMin,
-                                  const WebRtc_UWord16 bwEstimateKbitMax)
+void TestSenderReceiver::OnNetworkChanged(const int32_t id,
+                                  const uint32_t minBitrateBps,
+                                  const uint32_t maxBitrateBps,
+                                  const uint8_t fractionLost,
+                                  const uint16_t roundTripTimeMs,
+                                  const uint16_t bwEstimateKbitMin,
+                                  const uint16_t bwEstimateKbitMax)
 {
     if (_loadGenerator)
     {
diff --git a/webrtc/modules/rtp_rtcp/test/BWEStandAlone/TestSenderReceiver.h b/webrtc/modules/rtp_rtcp/test/BWEStandAlone/TestSenderReceiver.h
index 7f7f2f0..e9c65ae 100644
--- a/webrtc/modules/rtp_rtcp/test/BWEStandAlone/TestSenderReceiver.h
+++ b/webrtc/modules/rtp_rtcp/test/BWEStandAlone/TestSenderReceiver.h
@@ -31,11 +31,11 @@
 class SendRecCB
 {
 public:
-    virtual void OnOnNetworkChanged(const WebRtc_UWord32 bitrateTarget,
-        const WebRtc_UWord8 fractionLost,
-        const WebRtc_UWord16 roundTripTimeMs,
-        const WebRtc_UWord16 bwEstimateKbitMin,
-        const WebRtc_UWord16 bwEstimateKbitMax) = 0;
+    virtual void OnOnNetworkChanged(const uint32_t bitrateTarget,
+        const uint8_t fractionLost,
+        const uint16_t roundTripTimeMs,
+        const uint16_t bwEstimateKbitMin,
+        const uint16_t bwEstimateKbitMax) = 0;
 
     virtual ~SendRecCB() {};
 };
@@ -51,99 +51,99 @@
 
     void SetCallback (SendRecCB *cb) { _sendRecCB = cb; };
 
-    WebRtc_Word32 Start();
+    int32_t Start();
 
-    WebRtc_Word32 Stop();
+    int32_t Stop();
 
     bool ProcLoop();
 
     /////////////////////////////////////////////
     // Receiver methods
 
-    WebRtc_Word32 InitReceiver (const WebRtc_UWord16 rtpPort,
-        const WebRtc_UWord16 rtcpPort = 0,
-        const WebRtc_Word8 payloadType = 127);
+    int32_t InitReceiver (const uint16_t rtpPort,
+                          const uint16_t rtcpPort = 0,
+                          const int8_t payloadType = 127);
 
-    WebRtc_Word32 ReceiveBitrateKbps ();
+    int32_t ReceiveBitrateKbps ();
 
-    WebRtc_Word32 SetPacketTimeout(const WebRtc_UWord32 timeoutMS);
+    int32_t SetPacketTimeout(const uint32_t timeoutMS);
 
     bool timeOutTriggered () { return (_timeOut); };
 
     // Inherited from RtpFeedback
-    virtual WebRtc_Word32 OnInitializeDecoder(const WebRtc_Word32 id,
-                                            const WebRtc_Word8 payloadType,
-                                            const WebRtc_Word8 payloadName[RTP_PAYLOAD_NAME_SIZE],
-                                            const WebRtc_UWord32 frequency,
-                                            const WebRtc_UWord8 channels,
-                                            const WebRtc_UWord32 rate) { return(0);};
+    virtual int32_t OnInitializeDecoder(const int32_t id,
+                                        const int8_t payloadType,
+                                        const int8_t payloadName[RTP_PAYLOAD_NAME_SIZE],
+                                        const uint32_t frequency,
+                                        const uint8_t channels,
+                                        const uint32_t rate) { return(0);};
 
-    virtual void OnPacketTimeout(const WebRtc_Word32 id);
+    virtual void OnPacketTimeout(const int32_t id);
 
-    virtual void OnReceivedPacket(const WebRtc_Word32 id,
+    virtual void OnReceivedPacket(const int32_t id,
                                   const RtpRtcpPacketType packetType);
 
-    virtual void OnPeriodicDeadOrAlive(const WebRtc_Word32 id,
+    virtual void OnPeriodicDeadOrAlive(const int32_t id,
                                        const RTPAliveType alive) {};
 
-    virtual void OnIncomingSSRCChanged( const WebRtc_Word32 id,
-                                        const WebRtc_UWord32 SSRC) {};
+    virtual void OnIncomingSSRCChanged( const int32_t id,
+                                        const uint32_t SSRC) {};
 
-    virtual void OnIncomingCSRCChanged( const WebRtc_Word32 id,
-                                        const WebRtc_UWord32 CSRC,
+    virtual void OnIncomingCSRCChanged( const int32_t id,
+                                        const uint32_t CSRC,
                                         const bool added) {};
 
 
     // Inherited from RtpData
 
-    virtual WebRtc_Word32 OnReceivedPayloadData(const WebRtc_UWord8* payloadData,
-                                                const WebRtc_UWord16 payloadSize,
-                                                const webrtc::WebRtcRTPHeader* rtpHeader);
+    virtual int32_t OnReceivedPayloadData(const uint8_t* payloadData,
+                                          const uint16_t payloadSize,
+                                          const webrtc::WebRtcRTPHeader* rtpHeader);
 
 
     // Inherited from UdpTransportData
-    virtual void IncomingRTPPacket(const WebRtc_Word8* incomingRtpPacket,
-        const WebRtc_Word32 rtpPacketLength,
-        const WebRtc_Word8* fromIP,
-        const WebRtc_UWord16 fromPort);
+    virtual void IncomingRTPPacket(const int8_t* incomingRtpPacket,
+        const int32_t rtpPacketLength,
+        const int8_t* fromIP,
+        const uint16_t fromPort);
 
-    virtual void IncomingRTCPPacket(const WebRtc_Word8* incomingRtcpPacket,
-        const WebRtc_Word32 rtcpPacketLength,
-        const WebRtc_Word8* fromIP,
-        const WebRtc_UWord16 fromPort);
+    virtual void IncomingRTCPPacket(const int8_t* incomingRtcpPacket,
+        const int32_t rtcpPacketLength,
+        const int8_t* fromIP,
+        const uint16_t fromPort);
 
 
 
     /////////////////////////////////
     // Sender methods
 
-    WebRtc_Word32 InitSender (const WebRtc_UWord32 startBitrateKbps,
-        const WebRtc_Word8* ipAddr,
-        const WebRtc_UWord16 rtpPort,
-        const WebRtc_UWord16 rtcpPort = 0,
-        const WebRtc_Word8 payloadType = 127);
+    int32_t InitSender (const uint32_t startBitrateKbps,
+                        const int8_t* ipAddr,
+                        const uint16_t rtpPort,
+                        const uint16_t rtcpPort = 0,
+                        const int8_t payloadType = 127);
 
-    WebRtc_Word32 SendOutgoingData(const WebRtc_UWord32 timeStamp,
-        const WebRtc_UWord8* payloadData,
-        const WebRtc_UWord32 payloadSize,
+    int32_t SendOutgoingData(const uint32_t timeStamp,
+        const uint8_t* payloadData,
+        const uint32_t payloadSize,
         const webrtc::FrameType frameType = webrtc::kVideoFrameDelta);
 
-    WebRtc_Word32 SetLoadGenerator(TestLoadGenerator *generator);
+    int32_t SetLoadGenerator(TestLoadGenerator *generator);
 
-    WebRtc_UWord32 BitrateSent() { return (_rtp->BitrateSent()); };
+    uint32_t BitrateSent() { return (_rtp->BitrateSent()); };
 
 
     // Inherited from RtpVideoFeedback
-    virtual void OnReceivedIntraFrameRequest(const WebRtc_Word32 id,
-        const WebRtc_UWord8 message = 0) {};
+    virtual void OnReceivedIntraFrameRequest(const int32_t id,
+        const uint8_t message = 0) {};
 
-    virtual void OnNetworkChanged(const WebRtc_Word32 id,
-                                  const WebRtc_UWord32 minBitrateBps,
-                                  const WebRtc_UWord32 maxBitrateBps,
-                                  const WebRtc_UWord8 fractionLost,
-                                  const WebRtc_UWord16 roundTripTimeMs,
-                                  const WebRtc_UWord16 bwEstimateKbitMin,
-                                  const WebRtc_UWord16 bwEstimateKbitMax);
+    virtual void OnNetworkChanged(const int32_t id,
+                                  const uint32_t minBitrateBps,
+                                  const uint32_t maxBitrateBps,
+                                  const uint8_t fractionLost,
+                                  const uint16_t roundTripTimeMs,
+                                  const uint16_t bwEstimateKbitMin,
+                                  const uint16_t bwEstimateKbitMax);
 
 private:
     RtpRtcp* _rtp;
@@ -152,14 +152,14 @@
     webrtc::EventWrapper *_eventPtr;
     webrtc::ThreadWrapper* _procThread;
     bool _running;
-    WebRtc_Word8 _payloadType;
+    int8_t _payloadType;
     TestLoadGenerator* _loadGenerator;
     bool _isSender;
     bool _isReceiver;
     bool _timeOut;
     SendRecCB * _sendRecCB;
-    WebRtc_UWord32 _lastBytesReceived;
-    WebRtc_Word64 _lastTime;
+    uint32_t _lastBytesReceived;
+    int64_t _lastTime;
 
 };
 
diff --git a/webrtc/modules/rtp_rtcp/test/bitstreamTest/bitstreamTest.cc b/webrtc/modules/rtp_rtcp/test/bitstreamTest/bitstreamTest.cc
index 38b6e15..e947142 100644
--- a/webrtc/modules/rtp_rtcp/test/bitstreamTest/bitstreamTest.cc
+++ b/webrtc/modules/rtp_rtcp/test/bitstreamTest/bitstreamTest.cc
@@ -17,12 +17,12 @@
 #include <tchar.h>
 #include <windows.h>
 
-WebRtc_UWord32 BitRateBPS(WebRtc_UWord16 x )
+uint32_t BitRateBPS(uint16_t x )
 {
-    return (x & 0x3fff) * WebRtc_UWord32(pow(10.0f,(2 + (x >> 14))));
+    return (x & 0x3fff) * uint32_t(pow(10.0f,(2 + (x >> 14))));
 }
 
-WebRtc_UWord16 BitRateBPSInv(WebRtc_UWord32 x )
+uint16_t BitRateBPSInv(uint32_t x )
 {
     // 16383 0x3fff
     //     1 638 300    exp 0
@@ -32,16 +32,16 @@
     const float exp = log10(float(x>>14)) - 2;
     if(exp < 0.0)
     {
-        return WebRtc_UWord16(x /100);
+        return uint16_t(x /100);
     }else if(exp < 1.0)
     {
-        return 0x4000 + WebRtc_UWord16(x /1000);
+        return 0x4000 + uint16_t(x /1000);
     }else if(exp < 2.0)
     {
-        return 0x8000 + WebRtc_UWord16(x /10000);
+        return 0x8000 + uint16_t(x /10000);
     }else if(exp < 3.0)
     {
-        return 0xC000 + WebRtc_UWord16(x /100000);
+        return 0xC000 + uint16_t(x /100000);
     } else
     {
         assert(false);
@@ -52,7 +52,7 @@
 
 int _tmain(int argc, _TCHAR* argv[])
 {
-    WebRtc_UWord8 dataBuffer[128];
+    uint8_t dataBuffer[128];
     BitstreamBuilder builder(dataBuffer, sizeof(dataBuffer));
 
     // test 1 to 4 bits
@@ -278,27 +278,27 @@
     BitstreamBuilder builderScalabilityInfo(dataBuffer, sizeof(dataBuffer));
     BitstreamParser parserScalabilityInfo(dataBuffer, sizeof(dataBuffer));
 
-    const WebRtc_UWord8 numberOfLayers = 4;
-    const WebRtc_UWord8 layerId[numberOfLayers] = {0,1,2,3};
-    const WebRtc_UWord8 priorityId[numberOfLayers] = {0,1,2,3};
-    const WebRtc_UWord8 discardableId[numberOfLayers] = {0,1,1,1};
+    const uint8_t numberOfLayers = 4;
+    const uint8_t layerId[numberOfLayers] = {0,1,2,3};
+    const uint8_t priorityId[numberOfLayers] = {0,1,2,3};
+    const uint8_t discardableId[numberOfLayers] = {0,1,1,1};
 
-    const WebRtc_UWord8 dependencyId[numberOfLayers]= {0,1,1,1};
-    const WebRtc_UWord8 qualityId[numberOfLayers]= {0,0,0,1};
-    const WebRtc_UWord8 temporalId[numberOfLayers]= {0,0,1,1};
+    const uint8_t dependencyId[numberOfLayers]= {0,1,1,1};
+    const uint8_t qualityId[numberOfLayers]= {0,0,0,1};
+    const uint8_t temporalId[numberOfLayers]= {0,0,1,1};
 
-    const WebRtc_UWord16 avgBitrate[numberOfLayers]= {BitRateBPSInv(100000),
+    const uint16_t avgBitrate[numberOfLayers]= {BitRateBPSInv(100000),
                                                     BitRateBPSInv(200000),
                                                     BitRateBPSInv(400000),
                                                     BitRateBPSInv(800000)};
 
     // todo which one is the sum?
-    const WebRtc_UWord16 maxBitrateLayer[numberOfLayers]= {BitRateBPSInv(150000),
+    const uint16_t maxBitrateLayer[numberOfLayers]= {BitRateBPSInv(150000),
                                                          BitRateBPSInv(300000),
                                                          BitRateBPSInv(500000),
                                                          BitRateBPSInv(900000)};
 
-    const WebRtc_UWord16 maxBitrateLayerRepresentation[numberOfLayers] = {BitRateBPSInv(150000),
+    const uint16_t maxBitrateLayerRepresentation[numberOfLayers] = {BitRateBPSInv(150000),
                                                                         BitRateBPSInv(450000),
                                                                         BitRateBPSInv(950000),
                                                                         BitRateBPSInv(1850000)};
@@ -314,7 +314,7 @@
     assert( 18500000 == BitRateBPS(BitRateBPSInv(18500000)));
     assert( 185000000 == BitRateBPS(BitRateBPSInv(185000000)));
 
-    const WebRtc_UWord16 maxBitrareCalcWindow[numberOfLayers] = {200, 200,200,200};// in 1/100 of second
+    const uint16_t maxBitrareCalcWindow[numberOfLayers] = {200, 200,200,200};// in 1/100 of second
 
     builderScalabilityInfo.Add1Bit(0);  // temporal_id_nesting_flag
     builderScalabilityInfo.Add1Bit(0);    // priority_layer_info_present_flag
@@ -360,11 +360,11 @@
 
     // Scalability Info parser
     parserScalabilityInfo.Get1Bit(); // not used in futher parsing
-    const WebRtc_UWord8 priority_layer_info_present = parserScalabilityInfo.Get1Bit();
-    const WebRtc_UWord8 priority_id_setting_flag = parserScalabilityInfo.Get1Bit();
+    const uint8_t priority_layer_info_present = parserScalabilityInfo.Get1Bit();
+    const uint8_t priority_id_setting_flag = parserScalabilityInfo.Get1Bit();
 
-    WebRtc_UWord32 numberOfLayersMinusOne = parserScalabilityInfo.GetUE();
-    for(WebRtc_UWord32 j = 0; j<= numberOfLayersMinusOne; j++)
+    uint32_t numberOfLayersMinusOne = parserScalabilityInfo.GetUE();
+    for(uint32_t j = 0; j<= numberOfLayersMinusOne; j++)
     {
         parserScalabilityInfo.GetUE();
         parserScalabilityInfo.Get6Bits();
@@ -373,24 +373,24 @@
         parserScalabilityInfo.Get4Bits();
         parserScalabilityInfo.Get3Bits();
 
-        const WebRtc_UWord8 sub_pic_layer_flag = parserScalabilityInfo.Get1Bit();
-        const WebRtc_UWord8 sub_region_layer_flag = parserScalabilityInfo.Get1Bit();
-        const WebRtc_UWord8 iroi_division_info_present_flag = parserScalabilityInfo.Get1Bit();
-        const WebRtc_UWord8 profile_level_info_present_flag = parserScalabilityInfo.Get1Bit();
-        const WebRtc_UWord8 bitrate_info_present_flag = parserScalabilityInfo.Get1Bit();
-        const WebRtc_UWord8 frm_rate_info_present_flag = parserScalabilityInfo.Get1Bit();
-        const WebRtc_UWord8 frm_size_info_present_flag = parserScalabilityInfo.Get1Bit();
-        const WebRtc_UWord8 layer_dependency_info_present_flag = parserScalabilityInfo.Get1Bit();
-        const WebRtc_UWord8 parameter_sets_info_present_flag = parserScalabilityInfo.Get1Bit();
-        const WebRtc_UWord8 bitstream_restriction_info_present_flag = parserScalabilityInfo.Get1Bit();
-        const WebRtc_UWord8 exact_inter_layer_pred_flag = parserScalabilityInfo.Get1Bit();  // not used in futher parsing
+        const uint8_t sub_pic_layer_flag = parserScalabilityInfo.Get1Bit();
+        const uint8_t sub_region_layer_flag = parserScalabilityInfo.Get1Bit();
+        const uint8_t iroi_division_info_present_flag = parserScalabilityInfo.Get1Bit();
+        const uint8_t profile_level_info_present_flag = parserScalabilityInfo.Get1Bit();
+        const uint8_t bitrate_info_present_flag = parserScalabilityInfo.Get1Bit();
+        const uint8_t frm_rate_info_present_flag = parserScalabilityInfo.Get1Bit();
+        const uint8_t frm_size_info_present_flag = parserScalabilityInfo.Get1Bit();
+        const uint8_t layer_dependency_info_present_flag = parserScalabilityInfo.Get1Bit();
+        const uint8_t parameter_sets_info_present_flag = parserScalabilityInfo.Get1Bit();
+        const uint8_t bitstream_restriction_info_present_flag = parserScalabilityInfo.Get1Bit();
+        const uint8_t exact_inter_layer_pred_flag = parserScalabilityInfo.Get1Bit();  // not used in futher parsing
 
         if(sub_pic_layer_flag || iroi_division_info_present_flag)
         {
             parserScalabilityInfo.Get1Bit();
         }
-        const WebRtc_UWord8 layer_conversion_flag = parserScalabilityInfo.Get1Bit();
-        const WebRtc_UWord8 layer_output_flag = parserScalabilityInfo.Get1Bit();  // not used in futher parsing
+        const uint8_t layer_conversion_flag = parserScalabilityInfo.Get1Bit();
+        const uint8_t layer_output_flag = parserScalabilityInfo.Get1Bit();  // not used in futher parsing
 
         if(profile_level_info_present_flag)
         {
@@ -440,8 +440,8 @@
                 parserScalabilityInfo.GetUE();
             }else
             {
-                const WebRtc_UWord32 numRoisMinusOne = parserScalabilityInfo.GetUE();
-                for(WebRtc_UWord32 k = 0; k <= numRoisMinusOne; k++)
+                const uint32_t numRoisMinusOne = parserScalabilityInfo.GetUE();
+                for(uint32_t k = 0; k <= numRoisMinusOne; k++)
                 {
                     parserScalabilityInfo.GetUE();
                     parserScalabilityInfo.GetUE();
@@ -451,8 +451,8 @@
         }
         if(layer_dependency_info_present_flag)
         {
-            const WebRtc_UWord32 numDirectlyDependentLayers = parserScalabilityInfo.GetUE();
-            for(WebRtc_UWord32 k = 0; k < numDirectlyDependentLayers; k++)
+            const uint32_t numDirectlyDependentLayers = parserScalabilityInfo.GetUE();
+            for(uint32_t k = 0; k < numDirectlyDependentLayers; k++)
             {
                 parserScalabilityInfo.GetUE();
             }
@@ -462,18 +462,18 @@
         }
         if(parameter_sets_info_present_flag)
         {
-            const WebRtc_UWord32 numSeqParameterSetMinusOne = parserScalabilityInfo.GetUE();
-            for(WebRtc_UWord32 k = 0; k <= numSeqParameterSetMinusOne; k++)
+            const uint32_t numSeqParameterSetMinusOne = parserScalabilityInfo.GetUE();
+            for(uint32_t k = 0; k <= numSeqParameterSetMinusOne; k++)
             {
                 parserScalabilityInfo.GetUE();
             }
-            const WebRtc_UWord32 numSubsetSeqParameterSetMinusOne = parserScalabilityInfo.GetUE();
-            for(WebRtc_UWord32 l = 0; l <= numSubsetSeqParameterSetMinusOne; l++)
+            const uint32_t numSubsetSeqParameterSetMinusOne = parserScalabilityInfo.GetUE();
+            for(uint32_t l = 0; l <= numSubsetSeqParameterSetMinusOne; l++)
             {
                 parserScalabilityInfo.GetUE();
             }
-            const WebRtc_UWord32 numPicParameterSetMinusOne = parserScalabilityInfo.GetUE();
-            for(WebRtc_UWord32 m = 0; m <= numPicParameterSetMinusOne; m++)
+            const uint32_t numPicParameterSetMinusOne = parserScalabilityInfo.GetUE();
+            for(uint32_t m = 0; m <= numPicParameterSetMinusOne; m++)
             {
                 parserScalabilityInfo.GetUE();
             }
@@ -494,7 +494,7 @@
         if(layer_conversion_flag)
         {
             parserScalabilityInfo.GetUE();
-            for(WebRtc_UWord32 k = 0; k <2;k++)
+            for(uint32_t k = 0; k <2;k++)
             {
                 if(parserScalabilityInfo.Get1Bit())
                 {
@@ -507,12 +507,12 @@
     }
     if(priority_layer_info_present)
     {
-        const WebRtc_UWord32 prNumDidMinusOne = parserScalabilityInfo.GetUE();
-        for(WebRtc_UWord32 k = 0; k <= prNumDidMinusOne;k++)
+        const uint32_t prNumDidMinusOne = parserScalabilityInfo.GetUE();
+        for(uint32_t k = 0; k <= prNumDidMinusOne;k++)
         {
             parserScalabilityInfo.Get3Bits();
-            const WebRtc_UWord32 prNumMinusOne = parserScalabilityInfo.GetUE();
-            for(WebRtc_UWord32 l = 0; l <= prNumMinusOne; l++)
+            const uint32_t prNumMinusOne = parserScalabilityInfo.GetUE();
+            for(uint32_t l = 0; l <= prNumMinusOne; l++)
             {
                 parserScalabilityInfo.GetUE();
                 parserScalabilityInfo.Get24Bits();
@@ -523,8 +523,8 @@
     }
     if(priority_id_setting_flag)
     {
-        WebRtc_UWord8 priorityIdSettingUri;
-        WebRtc_UWord32 priorityIdSettingUriIdx = 0;
+        uint8_t priorityIdSettingUri;
+        uint32_t priorityIdSettingUriIdx = 0;
         do
         {
             priorityIdSettingUri = parserScalabilityInfo.Get8Bits();
diff --git a/webrtc/modules/rtp_rtcp/test/testAPI/test_api.cc b/webrtc/modules/rtp_rtcp/test/testAPI/test_api.cc
index fb1b337..4a00935 100644
--- a/webrtc/modules/rtp_rtcp/test/testAPI/test_api.cc
+++ b/webrtc/modules/rtp_rtcp/test/testAPI/test_api.cc
@@ -41,10 +41,10 @@
 
   int test_id;
   RtpRtcp* module;
-  WebRtc_UWord32 test_ssrc;
-  WebRtc_UWord32 test_timestamp;
-  WebRtc_UWord16 test_sequence_number;
-  WebRtc_UWord32 test_CSRC[webrtc::kRtpCsrcSize];
+  uint32_t test_ssrc;
+  uint32_t test_timestamp;
+  uint16_t test_sequence_number;
+  uint32_t test_CSRC[webrtc::kRtpCsrcSize];
   SimulatedClock fake_clock;
 };
 
@@ -80,7 +80,7 @@
 
 TEST_F(RtpRtcpAPITest, CSRC) {
   EXPECT_EQ(0, module->SetCSRCs(test_CSRC, 2));
-  WebRtc_UWord32 testOfCSRC[webrtc::kRtpCsrcSize];
+  uint32_t testOfCSRC[webrtc::kRtpCsrcSize];
   EXPECT_EQ(2, module->CSRCs(testOfCSRC));
   EXPECT_EQ(test_CSRC[0], testOfCSRC[0]);
   EXPECT_EQ(test_CSRC[1], testOfCSRC[1]);
diff --git a/webrtc/modules/rtp_rtcp/test/testAPI/test_api.h b/webrtc/modules/rtp_rtcp/test/testAPI/test_api.h
index d3698d4..040ed06 100644
--- a/webrtc/modules/rtp_rtcp/test/testAPI/test_api.h
+++ b/webrtc/modules/rtp_rtcp/test/testAPI/test_api.h
@@ -37,13 +37,13 @@
         return len;
       }
     }
-    if (_rtpRtcpModule->IncomingPacket((const WebRtc_UWord8*)data, len) == 0) {
+    if (_rtpRtcpModule->IncomingPacket((const uint8_t*)data, len) == 0) {
       return len;
     }
     return -1;
   }
   virtual int SendRTCPPacket(int channel, const void *data, int len) {
-    if (_rtpRtcpModule->IncomingPacket((const WebRtc_UWord8*)data, len) == 0) {
+    if (_rtpRtcpModule->IncomingPacket((const uint8_t*)data, len) == 0) {
       return len;
     }
     return -1;
@@ -58,9 +58,9 @@
  public:
   enum { kMaxPayloadSize = 1500 };
 
-  virtual WebRtc_Word32 OnReceivedPayloadData(
-      const WebRtc_UWord8* payloadData,
-      const WebRtc_UWord16 payloadSize,
+  virtual int32_t OnReceivedPayloadData(
+      const uint8_t* payloadData,
+      const uint16_t payloadSize,
       const webrtc::WebRtcRTPHeader* rtpHeader) {
     EXPECT_LE(payloadSize, kMaxPayloadSize);
     memcpy(_payloadData, payloadData, payloadSize);
@@ -69,11 +69,11 @@
     return 0;
   }
 
-  const WebRtc_UWord8* payload_data() const {
+  const uint8_t* payload_data() const {
     return _payloadData;
   }
 
-  WebRtc_UWord16 payload_size() const {
+  uint16_t payload_size() const {
     return _payloadSize;
   }
 
@@ -82,8 +82,8 @@
   }
 
  private:
-  WebRtc_UWord8 _payloadData[kMaxPayloadSize];
-  WebRtc_UWord16 _payloadSize;
+  uint8_t _payloadData[kMaxPayloadSize];
+  uint16_t _payloadSize;
   webrtc::WebRtcRTPHeader _rtpHeader;
 };
 
diff --git a/webrtc/modules/rtp_rtcp/test/testAPI/test_api_audio.cc b/webrtc/modules/rtp_rtcp/test/testAPI/test_api_audio.cc
index f59b192..0d1ed9d 100644
--- a/webrtc/modules/rtp_rtcp/test/testAPI/test_api_audio.cc
+++ b/webrtc/modules/rtp_rtcp/test/testAPI/test_api_audio.cc
@@ -24,9 +24,9 @@
 
 class VerifyingAudioReceiver : public RtpData {
  public:
-  virtual WebRtc_Word32 OnReceivedPayloadData(
-      const WebRtc_UWord8* payloadData,
-      const WebRtc_UWord16 payloadSize,
+  virtual int32_t OnReceivedPayloadData(
+      const uint8_t* payloadData,
+      const uint16_t payloadSize,
       const webrtc::WebRtcRTPHeader* rtpHeader) {
     if (rtpHeader->header.payloadType == 98 ||
         rtpHeader->header.payloadType == 99) {
@@ -60,44 +60,44 @@
 
 class RTPCallback : public RtpFeedback {
  public:
-  virtual WebRtc_Word32 OnInitializeDecoder(
-      const WebRtc_Word32 id,
-      const WebRtc_Word8 payloadType,
+  virtual int32_t OnInitializeDecoder(
+      const int32_t id,
+      const int8_t payloadType,
       const char payloadName[RTP_PAYLOAD_NAME_SIZE],
       const int frequency,
-      const WebRtc_UWord8 channels,
-      const WebRtc_UWord32 rate) {
+      const uint8_t channels,
+      const uint32_t rate) {
     if (payloadType == 96) {
       EXPECT_EQ(test_rate, rate) <<
           "The rate should be 64K for this payloadType";
     }
     return 0;
   }
-  virtual void OnPacketTimeout(const WebRtc_Word32 id) {
+  virtual void OnPacketTimeout(const int32_t id) {
   }
-  virtual void OnReceivedPacket(const WebRtc_Word32 id,
+  virtual void OnReceivedPacket(const int32_t id,
                                 const RtpRtcpPacketType packetType) {
   }
-  virtual void OnPeriodicDeadOrAlive(const WebRtc_Word32 id,
+  virtual void OnPeriodicDeadOrAlive(const int32_t id,
                                      const RTPAliveType alive) {
   }
-  virtual void OnIncomingSSRCChanged(const WebRtc_Word32 id,
-                                     const WebRtc_UWord32 SSRC) {
+  virtual void OnIncomingSSRCChanged(const int32_t id,
+                                     const uint32_t SSRC) {
   }
-  virtual void OnIncomingCSRCChanged(const WebRtc_Word32 id,
-                                     const WebRtc_UWord32 CSRC,
+  virtual void OnIncomingCSRCChanged(const int32_t id,
+                                     const uint32_t CSRC,
                                      const bool added) {
   }
 };
 
 class AudioFeedback : public RtpAudioFeedback {
-  virtual void OnReceivedTelephoneEvent(const WebRtc_Word32 id,
-                                        const WebRtc_UWord8 event,
+  virtual void OnReceivedTelephoneEvent(const int32_t id,
+                                        const uint8_t event,
                                         const bool end) {
-    static WebRtc_UWord8 expectedEvent = 0;
+    static uint8_t expectedEvent = 0;
 
     if (end) {
-      WebRtc_UWord8 oldEvent = expectedEvent-1;
+      uint8_t oldEvent = expectedEvent-1;
       if (expectedEvent == 32) {
         oldEvent = 15;
       }
@@ -110,10 +110,10 @@
       expectedEvent = 32;
     }
   }
-  virtual void OnPlayTelephoneEvent(const WebRtc_Word32 id,
-                                    const WebRtc_UWord8 event,
-                                    const WebRtc_UWord16 lengthMs,
-                                    const WebRtc_UWord8 volume) {
+  virtual void OnPlayTelephoneEvent(const int32_t id,
+                                    const uint8_t event,
+                                    const uint16_t lengthMs,
+                                    const uint8_t volume) {
   };
 };
 
@@ -179,10 +179,10 @@
   LoopBackTransport* transport2;
   AudioFeedback* audioFeedback;
   RTPCallback* rtp_callback;
-  WebRtc_UWord32 test_ssrc;
-  WebRtc_UWord32 test_timestamp;
-  WebRtc_UWord16 test_sequence_number;
-  WebRtc_UWord32 test_CSRC[webrtc::kRtpCsrcSize];
+  uint32_t test_ssrc;
+  uint32_t test_timestamp;
+  uint16_t test_sequence_number;
+  uint32_t test_CSRC[webrtc::kRtpCsrcSize];
   SimulatedClock fake_clock;
 };
 
@@ -214,7 +214,7 @@
   EXPECT_EQ(0, module2->RegisterReceivePayload(voiceCodec));
   printf("4\n");
 
-  const WebRtc_UWord8 test[5] = "test";
+  const uint8_t test[5] = "test";
   EXPECT_EQ(0, module1->SendOutgoingData(webrtc::kAudioFrameSpeech, 96,
                                          0, -1, test, 4));
 
@@ -243,7 +243,7 @@
   memcpy(voiceCodec.plname, "RED", 4);
 
   EXPECT_EQ(0, module1->SetSendREDPayloadType(voiceCodec.pltype));
-  WebRtc_Word8 red = 0;
+  int8_t red = 0;
   EXPECT_EQ(0, module1->SendREDPayloadType(red));
   EXPECT_EQ(voiceCodec.pltype, red);
   EXPECT_EQ(0, module1->RegisterReceivePayload(voiceCodec));
@@ -251,20 +251,20 @@
 
   RTPFragmentationHeader fragmentation;
   fragmentation.fragmentationVectorSize = 2;
-  fragmentation.fragmentationLength = new WebRtc_UWord32[2];
+  fragmentation.fragmentationLength = new uint32_t[2];
   fragmentation.fragmentationLength[0] = 4;
   fragmentation.fragmentationLength[1] = 4;
-  fragmentation.fragmentationOffset = new WebRtc_UWord32[2];
+  fragmentation.fragmentationOffset = new uint32_t[2];
   fragmentation.fragmentationOffset[0] = 0;
   fragmentation.fragmentationOffset[1] = 4;
-  fragmentation.fragmentationTimeDiff = new WebRtc_UWord16[2];
+  fragmentation.fragmentationTimeDiff = new uint16_t[2];
   fragmentation.fragmentationTimeDiff[0] = 0;
   fragmentation.fragmentationTimeDiff[1] = 0;
-  fragmentation.fragmentationPlType = new WebRtc_UWord8[2];
+  fragmentation.fragmentationPlType = new uint8_t[2];
   fragmentation.fragmentationPlType[0] = 96;
   fragmentation.fragmentationPlType[1] = 96;
 
-  const WebRtc_UWord8 test[5] = "test";
+  const uint8_t test[5] = "test";
   // Send a RTP packet.
   EXPECT_EQ(0, module1->SendOutgoingData(webrtc::kAudioFrameSpeech,
                                          96, 160, -1, test, 4,
@@ -299,7 +299,7 @@
   EXPECT_EQ(0, module2->RegisterReceivePayload(voiceCodec));
 
   // Start DTMF test.
-  WebRtc_UWord32 timeStamp = 160;
+  uint32_t timeStamp = 160;
 
   // Send a DTMF tone using RFC 2833 (4733).
   for (int i = 0; i < 16; i++) {
@@ -307,7 +307,7 @@
   }
   timeStamp += 160;  // Prepare for next packet.
 
-  const WebRtc_UWord8 test[9] = "test";
+  const uint8_t test[9] = "test";
 
   // Send RTP packets for 16 tones a 160 ms  100ms
   // pause between = 2560ms + 1600ms = 4160ms
diff --git a/webrtc/modules/rtp_rtcp/test/testAPI/test_api_nack.cc b/webrtc/modules/rtp_rtcp/test/testAPI/test_api_nack.cc
index 1a859c2..92663fa 100644
--- a/webrtc/modules/rtp_rtcp/test/testAPI/test_api_nack.cc
+++ b/webrtc/modules/rtp_rtcp/test/testAPI/test_api_nack.cc
@@ -24,9 +24,9 @@
 
 const int kVideoNackListSize = 10;
 const int kTestId = 123;
-const WebRtc_UWord32 kTestSsrc = 3456;
-const WebRtc_UWord16 kTestSequenceNumber = 2345;
-const WebRtc_UWord32 kTestNumberOfPackets = 450;
+const uint32_t kTestSsrc = 3456;
+const uint16_t kTestSequenceNumber = 2345;
+const uint32_t kTestNumberOfPackets = 450;
 const int kTestNumberOfRtxPackets = 49;
 
 class VerifyingNackReceiver : public RtpData
@@ -34,9 +34,9 @@
  public:
   VerifyingNackReceiver() {}
 
-  virtual WebRtc_Word32 OnReceivedPayloadData(
-      const WebRtc_UWord8* data,
-      const WebRtc_UWord16 size,
+  virtual int32_t OnReceivedPayloadData(
+      const uint8_t* data,
+      const uint16_t size,
       const webrtc::WebRtcRTPHeader* rtp_header) {
 
     EXPECT_EQ(kTestSsrc, rtp_header->header.ssrc);
@@ -91,13 +91,13 @@
         count_ < consecutive_drop_end_) {
       return len;
     }
-    if (module_->IncomingPacket((const WebRtc_UWord8*)data, len) == 0) {
+    if (module_->IncomingPacket((const uint8_t*)data, len) == 0) {
       return len;
     }
     return -1;
   }
   virtual int SendRTCPPacket(int channel, const void *data, int len) {
-    if (module_->IncomingPacket((const WebRtc_UWord8*)data, len) == 0) {
+    if (module_->IncomingPacket((const uint8_t*)data, len) == 0) {
       return len;
     }
     return -1;
@@ -171,12 +171,12 @@
         nack_receiver_->sequence_numbers_.begin();
 
     while (it != nack_receiver_->sequence_numbers_.end()) {
-      WebRtc_UWord16 sequence_number_1 = *it;
+      uint16_t sequence_number_1 = *it;
       ++it;
       if (it != nack_receiver_->sequence_numbers_.end()) {
-        WebRtc_UWord16 sequence_number_2 = *it;
+        uint16_t sequence_number_2 = *it;
         // Add all missing sequence numbers to list
-        for (WebRtc_UWord16 i = sequence_number_1 + 1; i < sequence_number_2;
+        for (uint16_t i = sequence_number_1 + 1; i < sequence_number_2;
             ++i) {
           missing_sequence_numbers.push_back(i);
         }
@@ -203,13 +203,13 @@
   RtpRtcp* video_module_;
   NackLoopBackTransport* transport_;
   VerifyingNackReceiver* nack_receiver_;
-  WebRtc_UWord8  payload_data[65000];
+  uint8_t  payload_data[65000];
   int payload_data_length;
   SimulatedClock fake_clock;
 };
 
 TEST_F(RtpRtcpNackTest, RTCP) {
-  WebRtc_UWord32 timestamp = 3000;
+  uint32_t timestamp = 3000;
   uint16_t nack_list[kVideoNackListSize];
   transport_->DropEveryNthPacket(10);
 
@@ -240,7 +240,7 @@
   const int kNumPacketsToDrop = 900;
   const int kNumFrames = 30;
   const int kNumRequiredRtcp = 4;
-  WebRtc_UWord32 timestamp = 3000;
+  uint32_t timestamp = 3000;
   uint16_t nack_list[kNumPacketsToDrop];
   // Disable StorePackets to be able to set a larger packet history.
   EXPECT_EQ(0, video_module_->SetStorePacketsStatus(false, 0));
diff --git a/webrtc/modules/rtp_rtcp/test/testAPI/test_api_rtcp.cc b/webrtc/modules/rtp_rtcp/test/testAPI/test_api_rtcp.cc
index d15dcc8..681f74e 100644
--- a/webrtc/modules/rtp_rtcp/test/testAPI/test_api_rtcp.cc
+++ b/webrtc/modules/rtp_rtcp/test/testAPI/test_api_rtcp.cc
@@ -27,20 +27,20 @@
   void SetModule(RtpRtcp* module) {
     _rtpRtcpModule = module;
   };
-  virtual void OnRTCPPacketTimeout(const WebRtc_Word32 id) {
+  virtual void OnRTCPPacketTimeout(const int32_t id) {
   }
-  virtual void OnLipSyncUpdate(const WebRtc_Word32 id,
-                               const WebRtc_Word32 audioVideoOffset) {
+  virtual void OnLipSyncUpdate(const int32_t id,
+                               const int32_t audioVideoOffset) {
   };
   virtual void OnXRVoIPMetricReceived(
-      const WebRtc_Word32 id,
+      const int32_t id,
       const RTCPVoIPMetric* metric) {
   };
-  virtual void OnApplicationDataReceived(const WebRtc_Word32 id,
-                                         const WebRtc_UWord8 subType,
-                                         const WebRtc_UWord32 name,
-                                         const WebRtc_UWord16 length,
-                                         const WebRtc_UWord8* data) {
+  virtual void OnApplicationDataReceived(const int32_t id,
+                                         const uint8_t subType,
+                                         const uint32_t name,
+                                         const uint16_t length,
+                                         const uint8_t* data) {
     char print_name[5];
     print_name[0] = static_cast<char>(name >> 24);
     print_name[1] = static_cast<char>(name >> 16);
@@ -50,16 +50,16 @@
 
     EXPECT_STRCASEEQ("test", print_name);
   };
-  virtual void OnSendReportReceived(const WebRtc_Word32 id,
-                                    const WebRtc_UWord32 senderSSRC,
+  virtual void OnSendReportReceived(const int32_t id,
+                                    const uint32_t senderSSRC,
                                     uint32_t ntp_secs,
                                     uint32_t ntp_frac,
                                     uint32_t timestamp) {
     RTCPSenderInfo senderInfo;
     EXPECT_EQ(0, _rtpRtcpModule->RemoteRTCPStat(&senderInfo));
   };
-  virtual void OnReceiveReportReceived(const WebRtc_Word32 id,
-                                       const WebRtc_UWord32 senderSSRC) {
+  virtual void OnReceiveReportReceived(const int32_t id,
+                                       const uint32_t senderSSRC) {
   };
   virtual void OnReceivedIntraFrameRequest(uint32_t ssrc) {
   };
@@ -143,7 +143,7 @@
     // We need to send one RTP packet to get the RTCP packet to be accepted by
     // the receiving module.
     // send RTP packet with the data "testtest"
-    const WebRtc_UWord8 test[9] = "testtest";
+    const uint8_t test[9] = "testtest";
     EXPECT_EQ(0, module1->SendOutgoingData(webrtc::kAudioFrameSpeech, 96,
                                            0, -1, test, 8));
   }
@@ -167,10 +167,10 @@
   RtcpCallback* myRTCPFeedback1;
   RtcpCallback* myRTCPFeedback2;
 
-  WebRtc_UWord32 test_ssrc;
-  WebRtc_UWord32 test_timestamp;
-  WebRtc_UWord16 test_sequence_number;
-  WebRtc_UWord32 test_CSRC[webrtc::kRtpCsrcSize];
+  uint32_t test_ssrc;
+  uint32_t test_timestamp;
+  uint16_t test_sequence_number;
+  uint32_t test_CSRC[webrtc::kRtpCsrcSize];
   SimulatedClock fake_clock;
 };
 
@@ -180,7 +180,7 @@
 }
 
 TEST_F(RtpRtcpRtcpTest, RTCP_CNAME) {
-  WebRtc_UWord32 testOfCSRC[webrtc::kRtpCsrcSize];
+  uint32_t testOfCSRC[webrtc::kRtpCsrcSize];
   EXPECT_EQ(2, module2->RemoteCSRCs(testOfCSRC));
   EXPECT_EQ(test_CSRC[0], testOfCSRC[0]);
   EXPECT_EQ(test_CSRC[1], testOfCSRC[1]);
@@ -236,14 +236,14 @@
   reportBlock.lastSR= 7;
   EXPECT_EQ(0, module1->AddRTCPReportBlock(test_CSRC[1], &reportBlock));
 
-  WebRtc_UWord32 name = 't' << 24;
+  uint32_t name = 't' << 24;
   name += 'e' << 16;
   name += 's' << 8;
   name += 't';
   EXPECT_EQ(0, module1->SetRTCPApplicationSpecificData(
       3,
       name,
-      (const WebRtc_UWord8 *)"test test test test test test test test test"\
+      (const uint8_t *)"test test test test test test test test test"\
           " test test test test test test test test test test test test test"\
           " test test test test test test test test test test test test test"\
           " test test test test test test test test test test test test test"\
@@ -256,10 +256,10 @@
   fake_clock.AdvanceTimeMilliseconds(100);
   module2->Process();
 
-  WebRtc_UWord32 receivedNTPsecs = 0;
-  WebRtc_UWord32 receivedNTPfrac = 0;
-  WebRtc_UWord32 RTCPArrivalTimeSecs = 0;
-  WebRtc_UWord32 RTCPArrivalTimeFrac = 0;
+  uint32_t receivedNTPsecs = 0;
+  uint32_t receivedNTPfrac = 0;
+  uint32_t RTCPArrivalTimeSecs = 0;
+  uint32_t RTCPArrivalTimeFrac = 0;
   EXPECT_EQ(0, module2->RemoteNTP(&receivedNTPsecs,
                                   &receivedNTPfrac,
                                   &RTCPArrivalTimeSecs,
@@ -281,28 +281,28 @@
   EXPECT_EQ(test_sequence_number, reportBlockReceived.extendedHighSeqNum);
   EXPECT_EQ(0, reportBlockReceived.fractionLost);
 
-  EXPECT_EQ(static_cast<WebRtc_UWord32>(0),
+  EXPECT_EQ(static_cast<uint32_t>(0),
             reportBlockReceived.cumulativeLost);
 
-  WebRtc_UWord8  fraction_lost = 0;  // scale 0 to 255
-  WebRtc_UWord32 cum_lost = 0;       // number of lost packets
-  WebRtc_UWord32 ext_max = 0;        // highest sequence number received
-  WebRtc_UWord32 jitter = 0;
-  WebRtc_UWord32 max_jitter = 0;
+  uint8_t  fraction_lost = 0;  // scale 0 to 255
+  uint32_t cum_lost = 0;       // number of lost packets
+  uint32_t ext_max = 0;        // highest sequence number received
+  uint32_t jitter = 0;
+  uint32_t max_jitter = 0;
   EXPECT_EQ(0, module2->StatisticsRTP(&fraction_lost,
                                       &cum_lost,
                                       &ext_max,
                                       &jitter,
                                       &max_jitter));
   EXPECT_EQ(0, fraction_lost);
-  EXPECT_EQ((WebRtc_UWord32)0, cum_lost);
+  EXPECT_EQ((uint32_t)0, cum_lost);
   EXPECT_EQ(test_sequence_number, ext_max);
   EXPECT_EQ(reportBlockReceived.jitter, jitter);
 
-  WebRtc_UWord16 RTT;
-  WebRtc_UWord16 avgRTT;
-  WebRtc_UWord16 minRTT;
-  WebRtc_UWord16 maxRTT;
+  uint16_t RTT;
+  uint16_t avgRTT;
+  uint16_t minRTT;
+  uint16_t maxRTT;
 
   // Get RoundTripTime.
   EXPECT_EQ(0, module1->RTT(test_ssrc + 1, &RTT, &avgRTT, &minRTT, &maxRTT));
diff --git a/webrtc/modules/rtp_rtcp/test/testAPI/test_api_video.cc b/webrtc/modules/rtp_rtcp/test/testAPI/test_api_video.cc
index cf181a6..ea22738 100644
--- a/webrtc/modules/rtp_rtcp/test/testAPI/test_api_video.cc
+++ b/webrtc/modules/rtp_rtcp/test/testAPI/test_api_video.cc
@@ -68,24 +68,24 @@
     }
   }
 
-  WebRtc_Word32 BuildRTPheader(WebRtc_UWord8* dataBuffer,
-                               WebRtc_UWord32 timestamp,
-                               WebRtc_UWord32 sequence_number) {
-    dataBuffer[0] = static_cast<WebRtc_UWord8>(0x80);  // version 2
-    dataBuffer[1] = static_cast<WebRtc_UWord8>(kPayloadType);
+  int32_t BuildRTPheader(uint8_t* dataBuffer,
+                               uint32_t timestamp,
+                               uint32_t sequence_number) {
+    dataBuffer[0] = static_cast<uint8_t>(0x80);  // version 2
+    dataBuffer[1] = static_cast<uint8_t>(kPayloadType);
     ModuleRTPUtility::AssignUWord16ToBuffer(dataBuffer + 2,
                                                     sequence_number);
     ModuleRTPUtility::AssignUWord32ToBuffer(dataBuffer + 4, timestamp);
     ModuleRTPUtility::AssignUWord32ToBuffer(dataBuffer + 8,
                                                     0x1234);  // SSRC.
-    WebRtc_Word32 rtpHeaderLength = 12;
+    int32_t rtpHeaderLength = 12;
     return rtpHeaderLength;
   }
 
   int PaddingPacket(uint8_t* buffer,
-                    WebRtc_UWord32 timestamp,
-                    WebRtc_UWord32 sequence_number,
-                    WebRtc_Word32 bytes) {
+                    uint32_t timestamp,
+                    uint32_t sequence_number,
+                    int32_t bytes) {
     // Max in the RFC 3550 is 255 bytes, we limit it to be modulus 32 for SRTP.
     int max_length = 224;
 
@@ -97,8 +97,8 @@
     int header_length = BuildRTPheader(buffer, timestamp,
                                        sequence_number);
     buffer[0] |= 0x20;  // Set padding bit.
-    WebRtc_Word32* data =
-        reinterpret_cast<WebRtc_Word32*>(&(buffer[header_length]));
+    int32_t* data =
+        reinterpret_cast<int32_t*>(&(buffer[header_length]));
 
     // Fill data buffer with random data.
     for (int j = 0; j < (padding_bytes_in_packet >> 2); j++) {
@@ -120,17 +120,17 @@
   RtpRtcp* video_module_;
   LoopBackTransport* transport_;
   RtpReceiver* receiver_;
-  WebRtc_UWord32 test_ssrc_;
-  WebRtc_UWord32 test_timestamp_;
-  WebRtc_UWord16 test_sequence_number_;
-  WebRtc_UWord8  video_frame_[65000];
+  uint32_t test_ssrc_;
+  uint32_t test_timestamp_;
+  uint16_t test_sequence_number_;
+  uint8_t  video_frame_[65000];
   int payload_data_length_;
   SimulatedClock fake_clock;
   enum { kPayloadType = 100 };
 };
 
 TEST_F(RtpRtcpVideoTest, BasicVideo) {
-  WebRtc_UWord32 timestamp = 3000;
+  uint32_t timestamp = 3000;
   EXPECT_EQ(0, video_module_->SendOutgoingData(kVideoFrameDelta, 123,
                                                timestamp,
                                                timestamp / 90,
diff --git a/webrtc/modules/rtp_rtcp/test/testFec/test_fec.cc b/webrtc/modules/rtp_rtcp/test/testFec/test_fec.cc
index 1918ff8..3110a0d 100644
--- a/webrtc/modules/rtp_rtcp/test/testFec/test_fec.cc
+++ b/webrtc/modules/rtp_rtcp/test/testFec/test_fec.cc
@@ -34,15 +34,15 @@
 void ReceivePackets(
     ForwardErrorCorrection::ReceivedPacketList* toDecodeList,
     ForwardErrorCorrection::ReceivedPacketList* receivedPacketList,
-    WebRtc_UWord32 numPacketsToDecode, float reorderRate, float duplicateRate);
+    uint32_t numPacketsToDecode, float reorderRate, float duplicateRate);
 
 int main() {
   // TODO(marpan): Split this function into subroutines/helper functions.
   enum { kMaxNumberMediaPackets = 48 };
   enum { kMaxNumberFecPackets = 48 };
 
-  const WebRtc_UWord32 kNumMaskBytesL0 = 2;
-  const WebRtc_UWord32 kNumMaskBytesL1 = 6;
+  const uint32_t kNumMaskBytesL0 = 2;
+  const uint32_t kNumMaskBytesL1 = 6;
 
   // FOR UEP
   const bool kUseUnequalProtection = true;
@@ -58,7 +58,7 @@
     return -1;
   }
 
-  WebRtc_UWord32 id = 0;
+  uint32_t id = 0;
   ForwardErrorCorrection fec(id);
 
   ForwardErrorCorrection::PacketList mediaPacketList;
@@ -66,18 +66,18 @@
   ForwardErrorCorrection::ReceivedPacketList toDecodeList;
   ForwardErrorCorrection::ReceivedPacketList receivedPacketList;
   ForwardErrorCorrection::RecoveredPacketList recoveredPacketList;
-  std::list<WebRtc_UWord8*> fecMaskList;
+  std::list<uint8_t*> fecMaskList;
 
   ForwardErrorCorrection::Packet* mediaPacket = NULL;
   // Running over only one loss rate to limit execution time.
   const float lossRate[] = {0.5f};
-  const WebRtc_UWord32 lossRateSize = sizeof(lossRate)/sizeof(*lossRate);
+  const uint32_t lossRateSize = sizeof(lossRate)/sizeof(*lossRate);
   const float reorderRate = 0.1f;
   const float duplicateRate = 0.1f;
 
-  WebRtc_UWord8 mediaLossMask[kMaxNumberMediaPackets];
-  WebRtc_UWord8 fecLossMask[kMaxNumberFecPackets];
-  WebRtc_UWord8 fecPacketMasks[kMaxNumberFecPackets][kMaxNumberMediaPackets];
+  uint8_t mediaLossMask[kMaxNumberMediaPackets];
+  uint8_t fecLossMask[kMaxNumberFecPackets];
+  uint8_t fecPacketMasks[kMaxNumberFecPackets][kMaxNumberMediaPackets];
 
   // Seed the random number generator, storing the seed to file in order to
   // reproduce past results.
@@ -89,48 +89,48 @@
   fclose(randomSeedFile);
   randomSeedFile = NULL;
 
-  WebRtc_UWord16 seqNum = static_cast<WebRtc_UWord16>(rand());
-  WebRtc_UWord32 timeStamp = static_cast<WebRtc_UWord32>(rand());
-  const WebRtc_UWord32 ssrc = static_cast<WebRtc_UWord32>(rand());
+  uint16_t seqNum = static_cast<uint16_t>(rand());
+  uint32_t timeStamp = static_cast<uint32_t>(rand());
+  const uint32_t ssrc = static_cast<uint32_t>(rand());
 
   // Loop over the mask types: random and bursty.
   for (int mask_type_idx = 0; mask_type_idx < kNumFecMaskTypes;
       ++mask_type_idx) {
 
-    for (WebRtc_UWord32 lossRateIdx = 0; lossRateIdx < lossRateSize;
+    for (uint32_t lossRateIdx = 0; lossRateIdx < lossRateSize;
         ++lossRateIdx) {
 
       printf("Loss rate: %.2f, Mask type %d \n", lossRate[lossRateIdx],
              mask_type_idx);
 
-      const WebRtc_UWord32 packetMaskMax = kMaxMediaPackets[mask_type_idx];
-      WebRtc_UWord8* packetMask =
-          new WebRtc_UWord8[packetMaskMax * kNumMaskBytesL1];
+      const uint32_t packetMaskMax = kMaxMediaPackets[mask_type_idx];
+      uint8_t* packetMask =
+          new uint8_t[packetMaskMax * kNumMaskBytesL1];
 
       FecMaskType fec_mask_type = kMaskTypes[mask_type_idx];
 
-      for (WebRtc_UWord32 numMediaPackets = 1;
+      for (uint32_t numMediaPackets = 1;
           numMediaPackets <= packetMaskMax;
           numMediaPackets++) {
         internal::PacketMaskTable mask_table(fec_mask_type, numMediaPackets);
 
-        for (WebRtc_UWord32 numFecPackets = 1;
+        for (uint32_t numFecPackets = 1;
             numFecPackets <= numMediaPackets &&
             numFecPackets <= packetMaskMax;
             numFecPackets++) {
 
           // Loop over numImpPackets: usually <= (0.3*numMediaPackets).
           // For this test we check up to ~ (0.5*numMediaPackets).
-          WebRtc_UWord32 maxNumImpPackets = numMediaPackets / 2 + 1;
-          for (WebRtc_UWord32 numImpPackets = 0;
+          uint32_t maxNumImpPackets = numMediaPackets / 2 + 1;
+          for (uint32_t numImpPackets = 0;
               numImpPackets <= maxNumImpPackets &&
               numImpPackets <= packetMaskMax;
               numImpPackets++) {
 
-            WebRtc_UWord8 protectionFactor = static_cast<WebRtc_UWord8>
+            uint8_t protectionFactor = static_cast<uint8_t>
             (numFecPackets * 255 / numMediaPackets);
 
-            const WebRtc_UWord32 maskBytesPerFecPacket =
+            const uint32_t maskBytesPerFecPacket =
                 (numMediaPackets > 16) ? kNumMaskBytesL1 : kNumMaskBytesL0;
 
             memset(packetMask, 0, numMediaPackets * maskBytesPerFecPacket);
@@ -151,11 +151,11 @@
             printf("Packet mask matrix \n");
 #endif
 
-            for (WebRtc_UWord32 i = 0; i < numFecPackets; i++) {
-              for (WebRtc_UWord32 j = 0; j < numMediaPackets; j++) {
-                const WebRtc_UWord8 byteMask =
+            for (uint32_t i = 0; i < numFecPackets; i++) {
+              for (uint32_t j = 0; j < numMediaPackets; j++) {
+                const uint8_t byteMask =
                     packetMask[i * maskBytesPerFecPacket + j / 8];
-                const WebRtc_UWord32 bitPosition = (7 - j % 8);
+                const uint32_t bitPosition = (7 - j % 8);
                 fecPacketMasks[i][j] =
                     (byteMask & (1 << bitPosition)) >> bitPosition;
 #ifdef VERBOSE_OUTPUT
@@ -170,10 +170,10 @@
             printf("\n");
 #endif
             // Check for all zero rows or columns: indicates incorrect mask.
-            WebRtc_UWord32 rowLimit = numMediaPackets;
-            for (WebRtc_UWord32 i = 0; i < numFecPackets; ++i) {
-              WebRtc_UWord32 rowSum = 0;
-              for (WebRtc_UWord32 j = 0; j < rowLimit; ++j) {
+            uint32_t rowLimit = numMediaPackets;
+            for (uint32_t i = 0; i < numFecPackets; ++i) {
+              uint32_t rowSum = 0;
+              for (uint32_t j = 0; j < rowLimit; ++j) {
                 rowSum += fecPacketMasks[i][j];
               }
               if (rowSum == 0) {
@@ -181,9 +181,9 @@
                 return -1;
               }
             }
-            for (WebRtc_UWord32 j = 0; j < rowLimit; ++j) {
-              WebRtc_UWord32 columnSum = 0;
-              for (WebRtc_UWord32 i = 0; i < numFecPackets; ++i) {
+            for (uint32_t j = 0; j < rowLimit; ++j) {
+              uint32_t columnSum = 0;
+              for (uint32_t i = 0; i < numFecPackets; ++i) {
                 columnSum += fecPacketMasks[i][j];
               }
               if (columnSum == 0) {
@@ -193,19 +193,19 @@
             }
 
             // Construct media packets.
-            for (WebRtc_UWord32 i = 0; i < numMediaPackets; ++i)  {
+            for (uint32_t i = 0; i < numMediaPackets; ++i)  {
               mediaPacket = new ForwardErrorCorrection::Packet;
               mediaPacketList.push_back(mediaPacket);
               mediaPacket->length =
-                  static_cast<WebRtc_UWord16>((static_cast<float>(rand()) /
+                  static_cast<uint16_t>((static_cast<float>(rand()) /
                       RAND_MAX) * (IP_PACKET_SIZE - 12 -
                           28 - ForwardErrorCorrection::PacketOverhead()));
               if (mediaPacket->length < 12) {
                 mediaPacket->length = 12;
               }
               // Generate random values for the first 2 bytes.
-              mediaPacket->data[0] = static_cast<WebRtc_UWord8>(rand() % 256);
-              mediaPacket->data[1] = static_cast<WebRtc_UWord8>(rand() % 256);
+              mediaPacket->data[0] = static_cast<uint8_t>(rand() % 256);
+              mediaPacket->data[1] = static_cast<uint8_t>(rand() % 256);
 
               // The first two bits are assumed to be 10 by the
               // FEC encoder. In fact the FEC decoder will set the
@@ -230,9 +230,9 @@
               ModuleRTPUtility::AssignUWord32ToBuffer(&mediaPacket->data[8],
                                                       ssrc);
               // Generate random values for payload
-              for (WebRtc_Word32 j = 12; j < mediaPacket->length; ++j)  {
+              for (int32_t j = 12; j < mediaPacket->length; ++j)  {
                 mediaPacket->data[j] =
-                    static_cast<WebRtc_UWord8> (rand() % 256);
+                    static_cast<uint8_t> (rand() % 256);
               }
               seqNum++;
             }
@@ -249,14 +249,14 @@
               printf("Error: we requested %u FEC packets, "
                   "but GenerateFEC() produced %u\n",
                   numFecPackets,
-                  static_cast<WebRtc_UWord32>(fecPacketList.size()));
+                  static_cast<uint32_t>(fecPacketList.size()));
               return -1;
             }
             memset(mediaLossMask, 0, sizeof(mediaLossMask));
             ForwardErrorCorrection::PacketList::iterator
                 mediaPacketListItem = mediaPacketList.begin();
             ForwardErrorCorrection::ReceivedPacket* receivedPacket;
-            WebRtc_UWord32 mediaPacketIdx = 0;
+            uint32_t mediaPacketIdx = 0;
 
             while (mediaPacketListItem != mediaPacketList.end()) {
               mediaPacket = *mediaPacketListItem;
@@ -285,7 +285,7 @@
             ForwardErrorCorrection::PacketList::iterator
                 fecPacketListItem = fecPacketList.begin();
             ForwardErrorCorrection::Packet* fecPacket;
-            WebRtc_UWord32 fecPacketIdx = 0;
+            uint32_t fecPacketIdx = 0;
             while (fecPacketListItem != fecPacketList.end()) {
               fecPacket = *fecPacketListItem;
               const float lossRandomVariable =
@@ -315,31 +315,31 @@
 
 #ifdef VERBOSE_OUTPUT
             printf("Media loss mask:\n");
-            for (WebRtc_UWord32 i = 0; i < numMediaPackets; i++) {
+            for (uint32_t i = 0; i < numMediaPackets; i++) {
               printf("%u ", mediaLossMask[i]);
             }
             printf("\n\n");
 
             printf("FEC loss mask:\n");
-            for (WebRtc_UWord32 i = 0; i < numFecPackets; i++) {
+            for (uint32_t i = 0; i < numFecPackets; i++) {
               printf("%u ", fecLossMask[i]);
             }
             printf("\n\n");
 #endif
 
-            std::list<WebRtc_UWord8*>::iterator fecMaskIt = fecMaskList.begin();
-            WebRtc_UWord8* fecMask;
+            std::list<uint8_t*>::iterator fecMaskIt = fecMaskList.begin();
+            uint8_t* fecMask;
             while (fecMaskIt != fecMaskList.end()) {
               fecMask = *fecMaskIt;
-              WebRtc_UWord32 hammingDist = 0;
-              WebRtc_UWord32 recoveryPosition = 0;
-              for (WebRtc_UWord32 i = 0; i < numMediaPackets; i++) {
+              uint32_t hammingDist = 0;
+              uint32_t recoveryPosition = 0;
+              for (uint32_t i = 0; i < numMediaPackets; i++) {
                 if (mediaLossMask[i] == 0 && fecMask[i] == 1) {
                   recoveryPosition = i;
                   ++hammingDist;
                 }
               }
-              std::list<WebRtc_UWord8*>::iterator itemToDelete = fecMaskIt;
+              std::list<uint8_t*>::iterator itemToDelete = fecMaskIt;
               ++fecMaskIt;
 
               if (hammingDist == 1) {
@@ -353,7 +353,7 @@
             }
 #ifdef VERBOSE_OUTPUT
             printf("Recovery mask:\n");
-            for (WebRtc_UWord32 i = 0; i < numMediaPackets; ++i) {
+            for (uint32_t i = 0; i < numMediaPackets; ++i) {
               printf("%u ", mediaLossMask[i]);
             }
             printf("\n\n");
@@ -361,7 +361,7 @@
             // For error-checking frame completion.
             bool fecPacketReceived = false;
             while (!receivedPacketList.empty()) {
-              WebRtc_UWord32 numPacketsToDecode = static_cast<WebRtc_UWord32>
+              uint32_t numPacketsToDecode = static_cast<uint32_t>
                   ((static_cast<float>(rand()) / RAND_MAX) *
                   receivedPacketList.size() + 0.5);
               if (numPacketsToDecode < 1) {
@@ -428,7 +428,7 @@
             if (!recoveredPacketList.empty()) {
               printf("Error: excessive number of recovered packets.\n");
               printf("\t size is:%u\n",
-                     static_cast<WebRtc_UWord32>(recoveredPacketList.size()));
+                     static_cast<uint32_t>(recoveredPacketList.size()));
               return -1;
             }
             // -- Teardown --
@@ -482,12 +482,12 @@
 void ReceivePackets(
     ForwardErrorCorrection::ReceivedPacketList* toDecodeList,
     ForwardErrorCorrection::ReceivedPacketList* receivedPacketList,
-    WebRtc_UWord32 numPacketsToDecode, float reorderRate, float duplicateRate) {
+    uint32_t numPacketsToDecode, float reorderRate, float duplicateRate) {
   assert(toDecodeList->empty());
   assert(numPacketsToDecode <= receivedPacketList->size());
 
   ForwardErrorCorrection::ReceivedPacketList::iterator it;
-  for (WebRtc_UWord32 i = 0; i < numPacketsToDecode; i++) {
+  for (uint32_t i = 0; i < numPacketsToDecode; i++) {
     it = receivedPacketList->begin();
     // Reorder packets.
     float randomVariable = static_cast<float>(rand()) / RAND_MAX;
diff --git a/webrtc/modules/rtp_rtcp/test/testRateControl/testRateControl.cc b/webrtc/modules/rtp_rtcp/test/testRateControl/testRateControl.cc
index c282557..2fdaedf 100644
--- a/webrtc/modules/rtp_rtcp/test/testRateControl/testRateControl.cc
+++ b/webrtc/modules/rtp_rtcp/test/testRateControl/testRateControl.cc
@@ -25,14 +25,14 @@
 
 
 const int maxFileLen = 200;
-WebRtc_UWord8* dataFile[maxFileLen];
+uint8_t* dataFile[maxFileLen];
 
 
 struct InputSet
 {
-    WebRtc_UWord32 TMMBR;
-    WebRtc_UWord32 packetOH;
-    WebRtc_UWord32 SSRC;
+    uint32_t TMMBR;
+    uint32_t packetOH;
+    uint32_t SSRC;
 };
 
 const InputSet set0   = {220,  80, 11111};  // bitRate, packetOH, ssrc
@@ -48,7 +48,7 @@
 
 
 
-WebRtc_Word32 GetFile(char* fileName)
+int32_t GetFile(char* fileName)
 {
     if (!fileName[0])
     {
@@ -58,7 +58,7 @@
     FILE* openFile = fopen(fileName, "rb");
     assert(openFile != NULL);
     fseek(openFile, 0, SEEK_END);
-    int len = (WebRtc_Word16)(ftell(openFile));
+    int len = (int16_t)(ftell(openFile));
     rewind(openFile);
     assert(len > 0 && len < maxFileLen);
     fread(dataFile, 1, len, openFile);
@@ -77,7 +77,7 @@
     }
     virtual int SendPacket(int channel, const void *data, int len)
     {
-        return _rtpRtcpModule->IncomingPacket((const WebRtc_UWord8*)data, len);
+        return _rtpRtcpModule->IncomingPacket((const uint8_t*)data, len);
     }
     virtual int SendRTCPPacket(int channel, const void *data, int len)
     {
@@ -92,10 +92,10 @@
         }
 
         // Send in bitrate request
-        return _rtpRtcpModule->IncomingPacket((const WebRtc_UWord8*)dataFile, len);
+        return _rtpRtcpModule->IncomingPacket((const uint8_t*)dataFile, len);
     }
     RtpRtcp* _rtpRtcpModule;
-    WebRtc_UWord32       _cnt;
+    uint32_t       _cnt;
 };
 
 
@@ -109,7 +109,7 @@
     }
     virtual int SendPacket(int channel, const void *data, int len)
     {
-        return _rtpRtcpModule->IncomingPacket((const WebRtc_UWord8*)data, len);
+        return _rtpRtcpModule->IncomingPacket((const uint8_t*)data, len);
     }
     virtual int SendRTCPPacket(int channel, const void *data, int len)
     {
@@ -127,11 +127,11 @@
         }
 
         // Send in bitrate request*/
-        return _rtpRtcpModule->IncomingPacket((const WebRtc_UWord8*)dataFile, len);
+        return _rtpRtcpModule->IncomingPacket((const uint8_t*)dataFile, len);
     }
 
     RtpRtcp* _rtpRtcpModule;
-    WebRtc_UWord32       _cnt;
+    uint32_t       _cnt;
 };
 
 class TestRateControl : private RateControlDetector
@@ -148,16 +148,16 @@
         //Test perfect conditions
         // But only one packet per frame
         SetLastUsedBitRate(500);
-        WebRtc_UWord32 rtpTs=1234*90;
-        WebRtc_UWord32 framePeriod=33; // In Ms
-        WebRtc_UWord32 rtpDelta=framePeriod*90;
-        WebRtc_UWord32 netWorkDelay=10;
-        WebRtc_UWord32 arrivalTime=rtpTs/90+netWorkDelay;
-        WebRtc_UWord32 newBitRate=0;
-        for(WebRtc_UWord32 k=0;k<10;k++)
+        uint32_t rtpTs=1234*90;
+        uint32_t framePeriod=33; // In Ms
+        uint32_t rtpDelta=framePeriod*90;
+        uint32_t netWorkDelay=10;
+        uint32_t arrivalTime=rtpTs/90+netWorkDelay;
+        uint32_t newBitRate=0;
+        for(uint32_t k=0;k<10;k++)
         {
             // Receive 10 packets
-            for(WebRtc_UWord32 i=0;i<10;i++)
+            for(uint32_t i=0;i<10;i++)
             {
                 NotifyNewArrivedPacket(rtpTs,arrivalTime);
                 rtpTs+=rtpDelta;
@@ -175,16 +175,16 @@
         std::cout << "Test increasing RTT - No Receive timing changes" << std::endl;
         SetLastUsedBitRate(500);
 
-        for(WebRtc_UWord32 k=0;k<10;k++)
+        for(uint32_t k=0;k<10;k++)
         {
             // Receive 10 packets
-            for(WebRtc_UWord32 i=0;i<10;i++)
+            for(uint32_t i=0;i<10;i++)
             {
                 NotifyNewArrivedPacket(rtpTs,arrivalTime);
                 rtpTs+=rtpDelta;
                 arrivalTime=rtpTs/90+netWorkDelay;
             }
-            WebRtc_UWord32 rtt=2*netWorkDelay+k*20;
+            uint32_t rtt=2*netWorkDelay+k*20;
             newBitRate=RateControl(rtt);
             Sleep(10*framePeriod);
             SetLastUsedBitRate(newBitRate);
@@ -199,16 +199,16 @@
         std::cout << "Test increasing RTT - Changed receive timing" << std::endl;
         SetLastUsedBitRate(500);
 
-        for(WebRtc_UWord32 k=0;k<10;k++)
+        for(uint32_t k=0;k<10;k++)
         {
             // Receive 10 packets
-            for(WebRtc_UWord32 i=0;i<10;i++)
+            for(uint32_t i=0;i<10;i++)
             {
                 NotifyNewArrivedPacket(rtpTs,arrivalTime);
                 rtpTs+=rtpDelta;
                 arrivalTime=rtpTs/90+netWorkDelay+i+(k*20);
             }
-            WebRtc_UWord32 rtt=2*netWorkDelay+k*20;
+            uint32_t rtt=2*netWorkDelay+k*20;
             newBitRate=RateControl(rtt);
             Sleep(10*framePeriod);
             SetLastUsedBitRate(newBitRate);
@@ -223,9 +223,9 @@
 
 class NULLDataZink: public RtpData
 {
-    virtual WebRtc_Word32 OnReceivedPayloadData(const WebRtc_UWord8* payloadData,
-                                                const WebRtc_UWord16 payloadSize,
-                                                const webrtc::WebRtcRTPHeader* rtpHeader)
+    virtual int32_t OnReceivedPayloadData(const uint8_t* payloadData,
+        const uint16_t payloadSize,
+        const webrtc::WebRtcRTPHeader* rtpHeader)
     {
         return 0;
     };
diff --git a/webrtc/modules/rtp_rtcp/test/testTMMBR/testTMMBR.cc b/webrtc/modules/rtp_rtcp/test/testTMMBR/testTMMBR.cc
index d1e1572..c77015a 100644
--- a/webrtc/modules/rtp_rtcp/test/testTMMBR/testTMMBR.cc
+++ b/webrtc/modules/rtp_rtcp/test/testTMMBR/testTMMBR.cc
@@ -24,14 +24,14 @@
 
 
 const int maxFileLen = 200;
-WebRtc_UWord8* dataFile[maxFileLen];
+uint8_t* dataFile[maxFileLen];
 
 
 struct InputSet
 {
-    WebRtc_UWord32 TMMBR;
-    WebRtc_UWord32 packetOH;
-    WebRtc_UWord32 SSRC;
+    uint32_t TMMBR;
+    uint32_t packetOH;
+    uint32_t SSRC;
 };
 
 const InputSet set0   = {220,  80, 11111};  // bitRate, packetOH, ssrc
@@ -56,7 +56,7 @@
 int ParseRTCPPacket(const void *data, int len, TMMBRSet*& boundingSet)
 {
     int numItems = -1;
-    RTCPUtility::RTCPParserV2 rtcpParser((const WebRtc_UWord8*)data, len, true);
+    RTCPUtility::RTCPParserV2 rtcpParser((const uint8_t*)data, len, true);
     RTCPUtility::RTCPPacketTypes pktType = rtcpParser.Begin();
     while (pktType != RTCPUtility::kRtcpNotValidCode)
     {
@@ -79,7 +79,7 @@
     return numItems;
 };
 
-WebRtc_Word32 GetFile(char* fileName)
+int32_t GetFile(char* fileName)
 {
     if (!fileName[0])
     {
@@ -89,7 +89,7 @@
     FILE* openFile = fopen(fileName, "rb");
     assert(openFile != NULL);
     fseek(openFile, 0, SEEK_END);
-    int len = (WebRtc_Word16)(ftell(openFile));
+    int len = (int16_t)(ftell(openFile));
     rewind(openFile);
     assert(len > 0 && len < maxFileLen);
     fread(dataFile, 1, len, openFile);
@@ -109,7 +109,7 @@
     }
     virtual int SendPacket(int channel, const void *data, int len)
     {
-        if( 0  == _rtpRtcpModule->IncomingPacket((const WebRtc_UWord8*)data, len))
+        if( 0  == _rtpRtcpModule->IncomingPacket((const uint8_t*)data, len))
         {
             return len;
         }
@@ -144,14 +144,14 @@
         }
 
         // Send in bitrate request
-        if(_rtpRtcpModule->IncomingPacket((const WebRtc_UWord8*)dataFile, len) == 0)
+        if(_rtpRtcpModule->IncomingPacket((const uint8_t*)dataFile, len) == 0)
         {
             return len;
         }
         return -1;
     }
     RtpRtcp* _rtpRtcpModule;
-    WebRtc_UWord32       _cnt;
+    uint32_t       _cnt;
 };
 
 
@@ -166,7 +166,7 @@
     }
     virtual int SendPacket(int channel, const void *data, int len)
     {
-        if(_rtpRtcpModule->IncomingPacket((const WebRtc_UWord8*)data, len)== 0)
+        if(_rtpRtcpModule->IncomingPacket((const uint8_t*)data, len)== 0)
         {
             return len;
         }
@@ -330,7 +330,7 @@
         }
 
         // Send in bitrate request
-        if( 0 == _rtpRtcpModule->IncomingPacket((const WebRtc_UWord8*)dataFile, len))
+        if( 0 == _rtpRtcpModule->IncomingPacket((const uint8_t*)dataFile, len))
         {
             return len;
         }
@@ -338,7 +338,7 @@
     }
 
     RtpRtcp* _rtpRtcpModule;
-    WebRtc_UWord32       _cnt;
+    uint32_t       _cnt;
 };
 
 class TestTMMBR : private TMMBRHelp
@@ -363,14 +363,14 @@
         TMMBRSet* boundingSetToSend = BoundingSetToSend();
         assert(0 == boundingSetToSend->sizeOfSet);
 
-        WebRtc_Word32 numBoundingSet = FindTMMBRBoundingSet(boundingSet);
+        int32_t numBoundingSet = FindTMMBRBoundingSet(boundingSet);
         assert(0 == numBoundingSet); // should be empty
 
         assert( 0 == SetTMMBRBoundingSetToSend(NULL,0));        // ok to send empty set
         assert( 0 == SetTMMBRBoundingSetToSend(boundingSet,0)); // ok to send empty set
 
-        WebRtc_UWord32 minBitrateKbit = 0;
-        WebRtc_UWord32 maxBitrateKbit = 0;
+        uint32_t minBitrateKbit = 0;
+        uint32_t maxBitrateKbit = 0;
         assert(-1 == CalcMinMaxBitRate(0, 0, 1, false, minBitrateKbit, maxBitrateKbit)); // no bounding set
 
         // ---------------------------------
@@ -918,11 +918,11 @@
 
 class NULLDataZink: public RtpData
 {
-    virtual WebRtc_Word32 OnReceivedPayloadData(const WebRtc_UWord8* payloadData,
-                                              const WebRtc_UWord16 payloadSize,
-                                              const webrtc::WebRtcRTPHeader* rtpHeader,
-                                              const WebRtc_UWord8* incomingRtpPacket,
-                                              const WebRtc_UWord16 incomingRtpPacketLengt)
+    virtual int32_t OnReceivedPayloadData(const uint8_t* payloadData,
+        const uint16_t payloadSize,
+        const webrtc::WebRtcRTPHeader* rtpHeader,
+        const uint8_t* incomingRtpPacket,
+        const uint16_t incomingRtpPacketLengt)
     {
         return 0;
     };
@@ -963,7 +963,7 @@
 
     // send a RTP packet with SSRC 11111 to get 11111 as the received SSRC
     assert(0 == rtpRtcpModuleVideo->SetSSRC(11111));
-    const WebRtc_UWord8 testStream[9] = "testtest";
+    const uint8_t testStream[9] = "testtest";
     assert(0 == rtpRtcpModuleVideo->RegisterIncomingDataCallback(new NULLDataZink())); // needed to avoid error from parsing the incoming stream
     assert(0 == rtpRtcpModuleVideo->SendOutgoingData(webrtc::kVideoFrameKey,96, 0, testStream, 8));