1 /* 2 * Copyright (C) 2010 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 RTSP_SOURCE_H_ 18 19 #define RTSP_SOURCE_H_ 20 21 #include "NuPlayerSource.h" 22 23 #include "ATSParser.h" 24 25 namespace android { 26 27 struct ALooper; 28 struct AReplyToken; 29 struct AnotherPacketSource; 30 struct MyHandler; 31 struct SDPLoader; 32 33 struct NuPlayer::RTSPSource : public NuPlayer::Source { 34 RTSPSource( 35 const sp<AMessage> ¬ify, 36 const sp<IMediaHTTPService> &httpService, 37 const char *url, 38 const KeyedVector<String8, String8> *headers, 39 bool uidValid = false, 40 uid_t uid = 0, 41 bool isSDP = false); 42 43 virtual status_t getDefaultBufferingSettings( 44 BufferingSettings* buffering /* nonnull */) override; 45 virtual status_t setBufferingSettings(const BufferingSettings& buffering) override; 46 47 virtual void prepareAsync(); 48 virtual void start(); 49 virtual void stop(); 50 51 virtual status_t feedMoreTSData(); 52 53 virtual status_t dequeueAccessUnit(bool audio, sp<ABuffer> *accessUnit); 54 55 virtual status_t getDuration(int64_t *durationUs); 56 virtual status_t seekTo( 57 int64_t seekTimeUs, 58 MediaPlayerSeekMode mode = MediaPlayerSeekMode::SEEK_PREVIOUS_SYNC) override; 59 60 void onMessageReceived(const sp<AMessage> &msg); 61 62 protected: 63 virtual ~RTSPSource(); 64 65 virtual sp<MetaData> getFormatMeta(bool audio); 66 67 private: 68 enum { 69 kWhatNotify = 'noti', 70 kWhatDisconnect = 'disc', 71 kWhatPerformSeek = 'seek', 72 kWhatPollBuffering = 'poll', 73 kWhatSignalEOS = 'eos ', 74 kWhatSetBufferingSettings = 'sBuS', 75 }; 76 77 enum State { 78 DISCONNECTED, 79 CONNECTING, 80 CONNECTED, 81 SEEKING, 82 }; 83 84 enum Flags { 85 // Don't log any URLs. 86 kFlagIncognito = 1, 87 }; 88 89 struct TrackInfo { 90 sp<AnotherPacketSource> mSource; 91 92 int32_t mTimeScale; 93 uint32_t mRTPTime; 94 int64_t mNormalPlaytimeUs; 95 bool mNPTMappingValid; 96 }; 97 98 sp<IMediaHTTPService> mHTTPService; 99 AString mURL; 100 KeyedVector<String8, String8> mExtraHeaders; 101 bool mUIDValid; 102 uid_t mUID; 103 uint32_t mFlags; 104 bool mIsSDP; 105 State mState; 106 status_t mFinalResult; 107 sp<AReplyToken> mDisconnectReplyID; 108 Mutex mBufferingLock; 109 bool mBuffering; 110 bool mInPreparationPhase; 111 bool mEOSPending; 112 BufferingSettings mBufferingSettings; 113 114 sp<ALooper> mLooper; 115 sp<MyHandler> mHandler; 116 sp<SDPLoader> mSDPLoader; 117 118 Vector<TrackInfo> mTracks; 119 sp<AnotherPacketSource> mAudioTrack; 120 sp<AnotherPacketSource> mVideoTrack; 121 122 sp<ATSParser> mTSParser; 123 124 int32_t mSeekGeneration; 125 126 int64_t mEOSTimeoutAudio; 127 int64_t mEOSTimeoutVideo; 128 129 sp<AReplyToken> mSeekReplyID; 130 131 sp<AnotherPacketSource> getSource(bool audio); 132 133 void onConnected(); 134 void onSDPLoaded(const sp<AMessage> &msg); 135 void onDisconnected(const sp<AMessage> &msg); 136 void finishDisconnectIfPossible(); 137 138 void performSeek(int64_t seekTimeUs); 139 void schedulePollBuffering(); 140 void checkBuffering( 141 bool *prepared, 142 bool *underflow, 143 bool *overflow, 144 bool *startServer, 145 bool *finished); 146 void onPollBuffering(); 147 148 bool haveSufficientDataOnAllTracks(); 149 150 void setEOSTimeout(bool audio, int64_t timeout); 151 void setError(status_t err); 152 void startBufferingIfNecessary(); 153 bool stopBufferingIfNecessary(); 154 void finishSeek(status_t err); 155 156 void postSourceEOSIfNecessary(); 157 void signalSourceEOS(status_t result); 158 void onSignalEOS(const sp<AMessage> &msg); 159 160 bool sourceNearEOS(bool audio); 161 bool sourceReachedEOS(bool audio); 162 163 DISALLOW_EVIL_CONSTRUCTORS(RTSPSource); 164 }; 165 166 } // namespace android 167 168 #endif // RTSP_SOURCE_H_ 169