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 getBufferingSettings( 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 }; 75 76 enum State { 77 DISCONNECTED, 78 CONNECTING, 79 CONNECTED, 80 SEEKING, 81 }; 82 83 enum Flags { 84 // Don't log any URLs. 85 kFlagIncognito = 1, 86 }; 87 88 struct TrackInfo { 89 sp<AnotherPacketSource> mSource; 90 91 int32_t mTimeScale; 92 uint32_t mRTPTime; 93 int64_t mNormalPlaytimeUs; 94 bool mNPTMappingValid; 95 }; 96 97 sp<IMediaHTTPService> mHTTPService; 98 AString mURL; 99 KeyedVector<String8, String8> mExtraHeaders; 100 bool mUIDValid; 101 uid_t mUID; 102 uint32_t mFlags; 103 bool mIsSDP; 104 State mState; 105 status_t mFinalResult; 106 sp<AReplyToken> mDisconnectReplyID; 107 Mutex mBufferingLock; 108 bool mBuffering; 109 bool mInPreparationPhase; 110 bool mEOSPending; 111 112 Mutex mBufferingSettingsLock; 113 BufferingSettings mBufferingSettings; 114 115 sp<ALooper> mLooper; 116 sp<MyHandler> mHandler; 117 sp<SDPLoader> mSDPLoader; 118 119 Vector<TrackInfo> mTracks; 120 sp<AnotherPacketSource> mAudioTrack; 121 sp<AnotherPacketSource> mVideoTrack; 122 123 sp<ATSParser> mTSParser; 124 125 int32_t mSeekGeneration; 126 127 int64_t mEOSTimeoutAudio; 128 int64_t mEOSTimeoutVideo; 129 130 sp<AReplyToken> mSeekReplyID; 131 132 sp<AnotherPacketSource> getSource(bool audio); 133 134 void onConnected(); 135 void onSDPLoaded(const sp<AMessage> &msg); 136 void onDisconnected(const sp<AMessage> &msg); 137 void finishDisconnectIfPossible(); 138 139 void performSeek(int64_t seekTimeUs); 140 void schedulePollBuffering(); 141 void checkBuffering( 142 bool *prepared, 143 bool *underflow, 144 bool *overflow, 145 bool *startServer, 146 bool *finished); 147 void onPollBuffering(); 148 149 bool haveSufficientDataOnAllTracks(); 150 151 void setEOSTimeout(bool audio, int64_t timeout); 152 void setError(status_t err); 153 void startBufferingIfNecessary(); 154 bool stopBufferingIfNecessary(); 155 void finishSeek(status_t err); 156 157 void postSourceEOSIfNecessary(); 158 void signalSourceEOS(status_t result); 159 void onSignalEOS(const sp<AMessage> &msg); 160 161 bool sourceNearEOS(bool audio); 162 bool sourceReachedEOS(bool audio); 163 164 DISALLOW_EVIL_CONSTRUCTORS(RTSPSource); 165 }; 166 167 } // namespace android 168 169 #endif // RTSP_SOURCE_H_ 170