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 NU_PLAYER_H_ 18 19 #define NU_PLAYER_H_ 20 21 #include <media/MediaPlayerInterface.h> 22 #include <media/stagefright/foundation/AHandler.h> 23 #include <media/stagefright/NativeWindowWrapper.h> 24 25 namespace android { 26 27 struct ABuffer; 28 struct AMessage; 29 struct MetaData; 30 struct NuPlayerDriver; 31 32 struct NuPlayer : public AHandler { 33 NuPlayer(); 34 35 void setUID(uid_t uid); 36 37 void setDriver(const wp<NuPlayerDriver> &driver); 38 39 void setDataSourceAsync(const sp<IStreamSource> &source); 40 41 void setDataSourceAsync( 42 const sp<IMediaHTTPService> &httpService, 43 const char *url, 44 const KeyedVector<String8, String8> *headers); 45 46 void setDataSourceAsync(int fd, int64_t offset, int64_t length); 47 48 void prepareAsync(); 49 50 void setVideoSurfaceTextureAsync( 51 const sp<IGraphicBufferProducer> &bufferProducer); 52 53 void setAudioSink(const sp<MediaPlayerBase::AudioSink> &sink); 54 void start(); 55 56 void pause(); 57 58 // Will notify the driver through "notifyResetComplete" once finished. 59 void resetAsync(); 60 61 // Will notify the driver through "notifySeekComplete" once finished 62 // and needNotify is true. 63 void seekToAsync(int64_t seekTimeUs, bool needNotify = false); 64 65 status_t setVideoScalingMode(int32_t mode); 66 status_t getTrackInfo(Parcel* reply) const; 67 status_t getSelectedTrack(int32_t type, Parcel* reply) const; 68 status_t selectTrack(size_t trackIndex, bool select, int64_t timeUs); 69 status_t getCurrentPosition(int64_t *mediaUs); 70 void getStats(int64_t *mNumFramesTotal, int64_t *mNumFramesDropped); 71 72 sp<MetaData> getFileMeta(); 73 74 protected: 75 virtual ~NuPlayer(); 76 77 virtual void onMessageReceived(const sp<AMessage> &msg); 78 79 public: 80 struct NuPlayerStreamListener; 81 struct Source; 82 83 private: 84 struct Decoder; 85 struct DecoderBase; 86 struct DecoderPassThrough; 87 struct CCDecoder; 88 struct GenericSource; 89 struct HTTPLiveSource; 90 struct Renderer; 91 struct RTSPSource; 92 struct StreamingSource; 93 struct Action; 94 struct SeekAction; 95 struct SetSurfaceAction; 96 struct ResumeDecoderAction; 97 struct FlushDecoderAction; 98 struct PostMessageAction; 99 struct SimpleAction; 100 101 enum { 102 kWhatSetDataSource = '=DaS', 103 kWhatPrepare = 'prep', 104 kWhatSetVideoNativeWindow = '=NaW', 105 kWhatSetAudioSink = '=AuS', 106 kWhatMoreDataQueued = 'more', 107 kWhatStart = 'strt', 108 kWhatScanSources = 'scan', 109 kWhatVideoNotify = 'vidN', 110 kWhatAudioNotify = 'audN', 111 kWhatClosedCaptionNotify = 'capN', 112 kWhatRendererNotify = 'renN', 113 kWhatReset = 'rset', 114 kWhatSeek = 'seek', 115 kWhatPause = 'paus', 116 kWhatResume = 'rsme', 117 kWhatPollDuration = 'polD', 118 kWhatSourceNotify = 'srcN', 119 kWhatGetTrackInfo = 'gTrI', 120 kWhatGetSelectedTrack = 'gSel', 121 kWhatSelectTrack = 'selT', 122 }; 123 124 wp<NuPlayerDriver> mDriver; 125 bool mUIDValid; 126 uid_t mUID; 127 sp<Source> mSource; 128 uint32_t mSourceFlags; 129 sp<NativeWindowWrapper> mNativeWindow; 130 sp<MediaPlayerBase::AudioSink> mAudioSink; 131 sp<DecoderBase> mVideoDecoder; 132 bool mOffloadAudio; 133 sp<DecoderBase> mAudioDecoder; 134 sp<CCDecoder> mCCDecoder; 135 sp<Renderer> mRenderer; 136 sp<ALooper> mRendererLooper; 137 int32_t mAudioDecoderGeneration; 138 int32_t mVideoDecoderGeneration; 139 int32_t mRendererGeneration; 140 141 List<sp<Action> > mDeferredActions; 142 143 bool mAudioEOS; 144 bool mVideoEOS; 145 146 bool mScanSourcesPending; 147 int32_t mScanSourcesGeneration; 148 149 int32_t mPollDurationGeneration; 150 int32_t mTimedTextGeneration; 151 152 enum FlushStatus { 153 NONE, 154 FLUSHING_DECODER, 155 FLUSHING_DECODER_SHUTDOWN, 156 SHUTTING_DOWN_DECODER, 157 FLUSHED, 158 SHUT_DOWN, 159 }; 160 161 enum FlushCommand { 162 FLUSH_CMD_NONE, 163 FLUSH_CMD_FLUSH, 164 FLUSH_CMD_SHUTDOWN, 165 }; 166 167 // Status of flush responses from the decoder and renderer. 168 bool mFlushComplete[2][2]; 169 170 FlushStatus mFlushingAudio; 171 FlushStatus mFlushingVideo; 172 173 // Status of flush responses from the decoder and renderer. 174 bool mResumePending; 175 176 int32_t mVideoScalingMode; 177 178 bool mStarted; 179 180 // Actual pause state, either as requested by client or due to buffering. 181 bool mPaused; 182 183 // Pause state as requested by client. Note that if mPausedByClient is 184 // true, mPaused is always true; if mPausedByClient is false, mPaused could 185 // still become true, when we pause internally due to buffering. 186 bool mPausedByClient; 187 188 inline const sp<DecoderBase> &getDecoder(bool audio) { 189 return audio ? mAudioDecoder : mVideoDecoder; 190 } 191 192 inline void clearFlushComplete() { 193 mFlushComplete[0][0] = false; 194 mFlushComplete[0][1] = false; 195 mFlushComplete[1][0] = false; 196 mFlushComplete[1][1] = false; 197 } 198 199 void tryOpenAudioSinkForOffload(const sp<AMessage> &format, bool hasVideo); 200 void closeAudioSink(); 201 202 status_t instantiateDecoder(bool audio, sp<DecoderBase> *decoder); 203 204 status_t onInstantiateSecureDecoders(); 205 206 void updateVideoSize( 207 const sp<AMessage> &inputFormat, 208 const sp<AMessage> &outputFormat = NULL); 209 210 void notifyListener(int msg, int ext1, int ext2, const Parcel *in = NULL); 211 212 void handleFlushComplete(bool audio, bool isDecoder); 213 void finishFlushIfPossible(); 214 215 void onStart(); 216 void onResume(); 217 void onPause(); 218 219 bool audioDecoderStillNeeded(); 220 221 void flushDecoder(bool audio, bool needShutdown); 222 223 void finishResume(); 224 225 void postScanSources(); 226 227 void schedulePollDuration(); 228 void cancelPollDuration(); 229 230 void processDeferredActions(); 231 232 void performSeek(int64_t seekTimeUs, bool needNotify); 233 void performDecoderFlush(FlushCommand audio, FlushCommand video); 234 void performReset(); 235 void performScanSources(); 236 void performSetSurface(const sp<NativeWindowWrapper> &wrapper); 237 void performResumeDecoders(bool needNotify); 238 239 void onSourceNotify(const sp<AMessage> &msg); 240 void onClosedCaptionNotify(const sp<AMessage> &msg); 241 242 void queueDecoderShutdown( 243 bool audio, bool video, const sp<AMessage> &reply); 244 245 void sendSubtitleData(const sp<ABuffer> &buffer, int32_t baseIndex); 246 void sendTimedTextData(const sp<ABuffer> &buffer); 247 248 void writeTrackInfo(Parcel* reply, const sp<AMessage> format) const; 249 250 DISALLOW_EVIL_CONSTRUCTORS(NuPlayer); 251 }; 252 253 } // namespace android 254 255 #endif // NU_PLAYER_H_ 256
