NuPlayer.h revision a73d9e0b3d171d2bfcd9eb07df9d6d36ae74df57
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 25namespace android { 26 27struct ABuffer; 28struct AMessage; 29struct MetaData; 30struct NuPlayerDriver; 31 32struct 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 77protected: 78 virtual ~NuPlayer(); 79 80 virtual void onMessageReceived(const sp<AMessage> &msg); 81 82public: 83 struct NuPlayerStreamListener; 84 struct Source; 85 86private: 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 audio_offload_info_t mCurrentOffloadInfo; 136 sp<Decoder> mAudioDecoder; 137 sp<CCDecoder> mCCDecoder; 138 sp<Renderer> mRenderer; 139 sp<ALooper> mRendererLooper; 140 int32_t mAudioDecoderGeneration; 141 int32_t mVideoDecoderGeneration; 142 int32_t mRendererGeneration; 143 144 List<sp<Action> > mDeferredActions; 145 146 bool mAudioEOS; 147 bool mVideoEOS; 148 149 bool mScanSourcesPending; 150 int32_t mScanSourcesGeneration; 151 152 int32_t mPollDurationGeneration; 153 int32_t mTimedTextGeneration; 154 155 enum FlushStatus { 156 NONE, 157 FLUSHING_DECODER, 158 FLUSHING_DECODER_SHUTDOWN, 159 SHUTTING_DOWN_DECODER, 160 FLUSHED, 161 SHUT_DOWN, 162 }; 163 164 // Once the current flush is complete this indicates whether the 165 // notion of time has changed. 166 bool mTimeDiscontinuityPending; 167 168 // Status of flush responses from the decoder and renderer. 169 bool mFlushComplete[2][2]; 170 171 // Used by feedDecoderInputData to aggregate small buffers into 172 // one large buffer. 173 sp<ABuffer> mPendingAudioAccessUnit; 174 status_t mPendingAudioErr; 175 sp<ABuffer> mAggregateBuffer; 176 177 FlushStatus mFlushingAudio; 178 FlushStatus mFlushingVideo; 179 180 int64_t mSkipRenderingAudioUntilMediaTimeUs; 181 int64_t mSkipRenderingVideoUntilMediaTimeUs; 182 183 int64_t mNumFramesTotal, mNumFramesDropped; 184 185 int32_t mVideoScalingMode; 186 187 bool mStarted; 188 189 inline const sp<Decoder> &getDecoder(bool audio) { 190 return audio ? mAudioDecoder : mVideoDecoder; 191 } 192 193 inline void clearFlushComplete() { 194 mFlushComplete[0][0] = false; 195 mFlushComplete[0][1] = false; 196 mFlushComplete[1][0] = false; 197 mFlushComplete[1][1] = false; 198 } 199 200 void openAudioSink(const sp<AMessage> &format, bool offloadOnly); 201 void closeAudioSink(); 202 203 status_t instantiateDecoder(bool audio, sp<Decoder> *decoder); 204 205 void updateVideoSize( 206 const sp<AMessage> &inputFormat, 207 const sp<AMessage> &outputFormat = NULL); 208 209 status_t feedDecoderInputData(bool audio, const sp<AMessage> &msg); 210 void renderBuffer(bool audio, const sp<AMessage> &msg); 211 212 void notifyListener(int msg, int ext1, int ext2, const Parcel *in = NULL); 213 214 void handleFlushComplete(bool audio, bool isDecoder); 215 void finishFlushIfPossible(); 216 217 bool audioDecoderStillNeeded(); 218 219 void flushDecoder( 220 bool audio, bool needShutdown, const sp<AMessage> &newFormat = NULL); 221 void updateDecoderFormatWithoutFlush(bool audio, const sp<AMessage> &format); 222 223 void postScanSources(); 224 225 void schedulePollDuration(); 226 void cancelPollDuration(); 227 228 void processDeferredActions(); 229 230 void performSeek(int64_t seekTimeUs, bool needNotify); 231 void performDecoderFlush(); 232 void performDecoderShutdown(bool audio, bool video); 233 void performReset(); 234 void performScanSources(); 235 void performSetSurface(const sp<NativeWindowWrapper> &wrapper); 236 237 void onSourceNotify(const sp<AMessage> &msg); 238 void onClosedCaptionNotify(const sp<AMessage> &msg); 239 240 void queueDecoderShutdown( 241 bool audio, bool video, const sp<AMessage> &reply); 242 243 void sendSubtitleData(const sp<ABuffer> &buffer, int32_t baseIndex); 244 void sendTimedTextData(const sp<ABuffer> &buffer); 245 246 void writeTrackInfo(Parcel* reply, const sp<AMessage> format) const; 247 248 DISALLOW_EVIL_CONSTRUCTORS(NuPlayer); 249}; 250 251} // namespace android 252 253#endif // NU_PLAYER_H_ 254