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 void resume(); 58 59 // Will notify the driver through "notifyResetComplete" once finished. 60 void resetAsync(); 61 62 // Will notify the driver through "notifySeekComplete" once finished 63 // and needNotify is true. 64 void seekToAsync(int64_t seekTimeUs, bool needNotify = false); 65 66 status_t setVideoScalingMode(int32_t mode); 67 status_t getTrackInfo(Parcel* reply) const; 68 status_t getSelectedTrack(int32_t type, Parcel* reply) const; 69 status_t selectTrack(size_t trackIndex, bool select); 70 status_t getCurrentPosition(int64_t *mediaUs); 71 void getStats(int64_t *mNumFramesTotal, int64_t *mNumFramesDropped); 72 73 sp<MetaData> getFileMeta(); 74 75 static const size_t kAggregateBufferSizeBytes; 76 77 protected: 78 virtual ~NuPlayer(); 79 80 virtual void onMessageReceived(const sp<AMessage> &msg); 81 82 public: 83 struct NuPlayerStreamListener; 84 struct Source; 85 86 private: 87 struct Decoder; 88 struct DecoderPassThrough; 89 struct CCDecoder; 90 struct GenericSource; 91 struct HTTPLiveSource; 92 struct Renderer; 93 struct RTSPSource; 94 struct StreamingSource; 95 struct Action; 96 struct SeekAction; 97 struct SetSurfaceAction; 98 struct ShutdownDecoderAction; 99 struct PostMessageAction; 100 struct SimpleAction; 101 102 enum { 103 kWhatSetDataSource = '=DaS', 104 kWhatPrepare = 'prep', 105 kWhatSetVideoNativeWindow = '=NaW', 106 kWhatSetAudioSink = '=AuS', 107 kWhatMoreDataQueued = 'more', 108 kWhatStart = 'strt', 109 kWhatScanSources = 'scan', 110 kWhatVideoNotify = 'vidN', 111 kWhatAudioNotify = 'audN', 112 kWhatClosedCaptionNotify = 'capN', 113 kWhatRendererNotify = 'renN', 114 kWhatReset = 'rset', 115 kWhatSeek = 'seek', 116 kWhatPause = 'paus', 117 kWhatResume = 'rsme', 118 kWhatPollDuration = 'polD', 119 kWhatSourceNotify = 'srcN', 120 kWhatGetTrackInfo = 'gTrI', 121 kWhatGetSelectedTrack = 'gSel', 122 kWhatSelectTrack = 'selT', 123 }; 124 125 wp<NuPlayerDriver> mDriver; 126 bool mUIDValid; 127 uid_t mUID; 128 sp<Source> mSource; 129 uint32_t mSourceFlags; 130 sp<NativeWindowWrapper> mNativeWindow; 131 sp<MediaPlayerBase::AudioSink> mAudioSink; 132 sp<Decoder> mVideoDecoder; 133 bool mVideoIsAVC; 134 bool mOffloadAudio; 135 sp<Decoder> mAudioDecoder; 136 sp<CCDecoder> mCCDecoder; 137 sp<Renderer> mRenderer; 138 sp<ALooper> mRendererLooper; 139 int32_t mAudioDecoderGeneration; 140 int32_t mVideoDecoderGeneration; 141 int32_t mRendererGeneration; 142 143 List<sp<Action> > mDeferredActions; 144 145 bool mAudioEOS; 146 bool mVideoEOS; 147 148 bool mScanSourcesPending; 149 int32_t mScanSourcesGeneration; 150 151 int32_t mPollDurationGeneration; 152 int32_t mTimedTextGeneration; 153 154 enum FlushStatus { 155 NONE, 156 FLUSHING_DECODER, 157 FLUSHING_DECODER_SHUTDOWN, 158 SHUTTING_DOWN_DECODER, 159 FLUSHED, 160 SHUT_DOWN, 161 }; 162 163 // Once the current flush is complete this indicates whether the 164 // notion of time has changed. 165 bool mTimeDiscontinuityPending; 166 167 // Status of flush responses from the decoder and renderer. 168 bool mFlushComplete[2][2]; 169 170 // Used by feedDecoderInputData to aggregate small buffers into 171 // one large buffer. 172 sp<ABuffer> mPendingAudioAccessUnit; 173 status_t mPendingAudioErr; 174 sp<ABuffer> mAggregateBuffer; 175 176 FlushStatus mFlushingAudio; 177 FlushStatus mFlushingVideo; 178 179 int64_t mSkipRenderingAudioUntilMediaTimeUs; 180 int64_t mSkipRenderingVideoUntilMediaTimeUs; 181 182 int64_t mNumFramesTotal, mNumFramesDropped; 183 184 int32_t mVideoScalingMode; 185 186 bool mStarted; 187 getDecoderNuPlayer188 inline const sp<Decoder> &getDecoder(bool audio) { 189 return audio ? mAudioDecoder : mVideoDecoder; 190 } 191 clearFlushCompleteNuPlayer192 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 openAudioSink(const sp<AMessage> &format, bool offloadOnly); 200 void closeAudioSink(); 201 202 status_t instantiateDecoder(bool audio, sp<Decoder> *decoder); 203 204 void updateVideoSize( 205 const sp<AMessage> &inputFormat, 206 const sp<AMessage> &outputFormat = NULL); 207 208 status_t feedDecoderInputData(bool audio, const sp<AMessage> &msg); 209 void renderBuffer(bool audio, const sp<AMessage> &msg); 210 211 void notifyListener(int msg, int ext1, int ext2, const Parcel *in = NULL); 212 213 void handleFlushComplete(bool audio, bool isDecoder); 214 void finishFlushIfPossible(); 215 216 bool audioDecoderStillNeeded(); 217 218 void flushDecoder( 219 bool audio, bool needShutdown, const sp<AMessage> &newFormat = NULL); 220 void updateDecoderFormatWithoutFlush(bool audio, const sp<AMessage> &format); 221 222 void postScanSources(); 223 224 void schedulePollDuration(); 225 void cancelPollDuration(); 226 227 void processDeferredActions(); 228 229 void performSeek(int64_t seekTimeUs, bool needNotify); 230 void performDecoderFlush(); 231 void performDecoderShutdown(bool audio, bool video); 232 void performReset(); 233 void performScanSources(); 234 void performSetSurface(const sp<NativeWindowWrapper> &wrapper); 235 236 void onSourceNotify(const sp<AMessage> &msg); 237 void onClosedCaptionNotify(const sp<AMessage> &msg); 238 239 void queueDecoderShutdown( 240 bool audio, bool video, const sp<AMessage> &reply); 241 242 void sendSubtitleData(const sp<ABuffer> &buffer, int32_t baseIndex); 243 void sendTimedTextData(const sp<ABuffer> &buffer); 244 245 void writeTrackInfo(Parcel* reply, const sp<AMessage> format) const; 246 247 DISALLOW_EVIL_CONSTRUCTORS(NuPlayer); 248 }; 249 250 } // namespace android 251 252 #endif // NU_PLAYER_H_ 253