Andreas Huber | a556c48 | 2013-03-05 10:56:27 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2013, The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #ifndef MEDIA_SENDER_H_ |
| 18 | |
| 19 | #define MEDIA_SENDER_H_ |
| 20 | |
| 21 | #include "rtp/RTPSender.h" |
| 22 | |
| 23 | #include <media/stagefright/foundation/ABase.h> |
| 24 | #include <media/stagefright/foundation/AHandler.h> |
| 25 | #include <utils/Errors.h> |
| 26 | #include <utils/Vector.h> |
| 27 | |
| 28 | namespace android { |
| 29 | |
| 30 | struct ABuffer; |
| 31 | struct ANetworkSession; |
| 32 | struct AMessage; |
| 33 | struct IHDCP; |
| 34 | struct TSPacketizer; |
| 35 | |
| 36 | // This class facilitates sending of data from one or more media tracks |
| 37 | // through one or more RTP channels, either providing a 1:1 mapping from |
| 38 | // track to RTP channel or muxing all tracks into a single RTP channel and |
| 39 | // using transport stream encapsulation. |
| 40 | // Optionally the (video) data is encrypted using the provided hdcp object. |
| 41 | struct MediaSender : public AHandler { |
| 42 | enum { |
| 43 | kWhatInitDone, |
| 44 | kWhatError, |
| 45 | }; |
| 46 | |
| 47 | MediaSender( |
| 48 | const sp<ANetworkSession> &netSession, |
| 49 | const sp<AMessage> ¬ify); |
| 50 | |
| 51 | status_t setHDCP(const sp<IHDCP> &hdcp); |
| 52 | |
| 53 | enum FlagBits { |
| 54 | FLAG_MANUALLY_PREPEND_SPS_PPS = 1, |
| 55 | }; |
| 56 | ssize_t addTrack(const sp<AMessage> &format, uint32_t flags); |
| 57 | |
| 58 | // If trackIndex == -1, initialize for transport stream muxing. |
| 59 | status_t initAsync( |
| 60 | ssize_t trackIndex, |
| 61 | RTPSender::TransportMode transportMode, |
| 62 | const char *remoteHost, |
| 63 | int32_t remoteRTPPort, |
| 64 | int32_t remoteRTCPPort, |
| 65 | int32_t *localRTPPort); |
| 66 | |
| 67 | status_t queueAccessUnit( |
| 68 | size_t trackIndex, const sp<ABuffer> &accessUnit); |
| 69 | |
| 70 | protected: |
| 71 | virtual void onMessageReceived(const sp<AMessage> &msg); |
| 72 | virtual ~MediaSender(); |
| 73 | |
| 74 | private: |
| 75 | enum { |
| 76 | kWhatSenderNotify, |
| 77 | }; |
| 78 | |
| 79 | enum Mode { |
| 80 | MODE_UNDEFINED, |
| 81 | MODE_TRANSPORT_STREAM, |
| 82 | MODE_ELEMENTARY_STREAMS, |
| 83 | }; |
| 84 | |
| 85 | struct TrackInfo { |
| 86 | sp<AMessage> mFormat; |
| 87 | uint32_t mFlags; |
| 88 | sp<RTPSender> mSender; |
| 89 | List<sp<ABuffer> > mAccessUnits; |
| 90 | ssize_t mPacketizerTrackIndex; |
| 91 | bool mIsAudio; |
| 92 | }; |
| 93 | |
| 94 | sp<ANetworkSession> mNetSession; |
| 95 | sp<AMessage> mNotify; |
| 96 | |
| 97 | sp<IHDCP> mHDCP; |
| 98 | |
| 99 | Mode mMode; |
| 100 | int32_t mGeneration; |
| 101 | |
| 102 | Vector<TrackInfo> mTrackInfos; |
| 103 | |
| 104 | sp<TSPacketizer> mTSPacketizer; |
| 105 | sp<RTPSender> mTSSender; |
| 106 | int64_t mPrevTimeUs; |
| 107 | |
| 108 | size_t mInitDoneCount; |
| 109 | |
Andreas Huber | bfd79f2 | 2013-03-07 10:33:20 -0800 | [diff] [blame^] | 110 | FILE *mLogFile; |
| 111 | |
Andreas Huber | a556c48 | 2013-03-05 10:56:27 -0800 | [diff] [blame] | 112 | void onSenderNotify(const sp<AMessage> &msg); |
| 113 | |
| 114 | void notifyInitDone(status_t err); |
| 115 | void notifyError(status_t err); |
| 116 | |
| 117 | status_t packetizeAccessUnit( |
| 118 | size_t trackIndex, |
| 119 | sp<ABuffer> accessUnit, |
| 120 | sp<ABuffer> *tsPackets); |
| 121 | |
| 122 | DISALLOW_EVIL_CONSTRUCTORS(MediaSender); |
| 123 | }; |
| 124 | |
| 125 | } // namespace android |
| 126 | |
| 127 | #endif // MEDIA_SENDER_H_ |
| 128 | |