| /* |
| * Copyright (C) 2010 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef A_RTP_CONNECTION_H_ |
| |
| #define A_RTP_CONNECTION_H_ |
| |
| #include <media/stagefright/foundation/AHandler.h> |
| #include <utils/List.h> |
| |
| namespace android { |
| |
| struct ABuffer; |
| struct ARTPSource; |
| struct ASessionDescription; |
| |
| struct ARTPConnection : public AHandler { |
| enum Flags { |
| kFakeTimestamps = 1, |
| kRegularlyRequestFIR = 2, |
| }; |
| |
| ARTPConnection(uint32_t flags = 0); |
| |
| void addStream( |
| int rtpSocket, int rtcpSocket, |
| const sp<ASessionDescription> &sessionDesc, size_t index, |
| const sp<AMessage> ¬ify, |
| bool injected); |
| |
| void removeStream(int rtpSocket, int rtcpSocket); |
| |
| void injectPacket(int index, const sp<ABuffer> &buffer); |
| |
| // Creates a pair of UDP datagram sockets bound to adjacent ports |
| // (the rtpSocket is bound to an even port, the rtcpSocket to the |
| // next higher port). |
| static void MakePortPair( |
| int *rtpSocket, int *rtcpSocket, unsigned *rtpPort); |
| |
| void fakeTimestamps(); |
| |
| protected: |
| virtual ~ARTPConnection(); |
| virtual void onMessageReceived(const sp<AMessage> &msg); |
| |
| private: |
| enum { |
| kWhatAddStream, |
| kWhatRemoveStream, |
| kWhatPollStreams, |
| kWhatInjectPacket, |
| kWhatFakeTimestamps, |
| }; |
| |
| static const int64_t kSelectTimeoutUs; |
| |
| uint32_t mFlags; |
| |
| struct StreamInfo; |
| List<StreamInfo> mStreams; |
| |
| bool mPollEventPending; |
| int64_t mLastReceiverReportTimeUs; |
| |
| void onAddStream(const sp<AMessage> &msg); |
| void onRemoveStream(const sp<AMessage> &msg); |
| void onPollStreams(); |
| void onInjectPacket(const sp<AMessage> &msg); |
| void onSendReceiverReports(); |
| void onFakeTimestamps(); |
| |
| status_t receive(StreamInfo *info, bool receiveRTP); |
| |
| status_t parseRTP(StreamInfo *info, const sp<ABuffer> &buffer); |
| status_t parseRTCP(StreamInfo *info, const sp<ABuffer> &buffer); |
| status_t parseSR(StreamInfo *info, const uint8_t *data, size_t size); |
| status_t parseBYE(StreamInfo *info, const uint8_t *data, size_t size); |
| |
| sp<ARTPSource> findSource(StreamInfo *info, uint32_t id); |
| |
| void postPollEvent(); |
| |
| DISALLOW_EVIL_CONSTRUCTORS(ARTPConnection); |
| }; |
| |
| } // namespace android |
| |
| #endif // A_RTP_CONNECTION_H_ |