NuPlayer.h revision e427abf1ea252ff305fc33aacdd2e83cf34891b5
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 71 sp<MetaData> getFileMeta(); 72 73 static const size_t kAggregateBufferSizeBytes; 74 75protected: 76 virtual ~NuPlayer(); 77 78 virtual void onMessageReceived(const sp<AMessage> &msg); 79 80public: 81 struct NuPlayerStreamListener; 82 struct Source; 83 84private: 85 struct Decoder; 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 ShutdownDecoderAction; 97 struct PostMessageAction; 98 struct SimpleAction; 99 100 enum { 101 kWhatSetDataSource = '=DaS', 102 kWhatPrepare = 'prep', 103 kWhatSetVideoNativeWindow = '=NaW', 104 kWhatSetAudioSink = '=AuS', 105 kWhatMoreDataQueued = 'more', 106 kWhatStart = 'strt', 107 kWhatScanSources = 'scan', 108 kWhatVideoNotify = 'vidN', 109 kWhatAudioNotify = 'audN', 110 kWhatClosedCaptionNotify = 'capN', 111 kWhatRendererNotify = 'renN', 112 kWhatReset = 'rset', 113 kWhatSeek = 'seek', 114 kWhatPause = 'paus', 115 kWhatResume = 'rsme', 116 kWhatPollDuration = 'polD', 117 kWhatSourceNotify = 'srcN', 118 kWhatGetTrackInfo = 'gTrI', 119 kWhatGetSelectedTrack = 'gSel', 120 kWhatSelectTrack = 'selT', 121 }; 122 123 wp<NuPlayerDriver> mDriver; 124 bool mUIDValid; 125 uid_t mUID; 126 sp<Source> mSource; 127 uint32_t mSourceFlags; 128 sp<NativeWindowWrapper> mNativeWindow; 129 int64_t mCurrentPositionUs; 130 sp<MediaPlayerBase::AudioSink> mAudioSink; 131 sp<Decoder> mVideoDecoder; 132 bool mVideoIsAVC; 133 bool mOffloadAudio; 134 audio_offload_info_t mCurrentOffloadInfo; 135 sp<Decoder> mAudioDecoder; 136 sp<CCDecoder> mCCDecoder; 137 sp<Renderer> mRenderer; 138 sp<ALooper> mRendererLooper; 139 int32_t mAudioDecoderGeneration; 140 int32_t mVideoDecoderGeneration; 141 142 List<sp<Action> > mDeferredActions; 143 144 bool mAudioEOS; 145 bool mVideoEOS; 146 147 bool mScanSourcesPending; 148 int32_t mScanSourcesGeneration; 149 150 int32_t mPollDurationGeneration; 151 int32_t mTimedTextGeneration; 152 153 enum FlushStatus { 154 NONE, 155 FLUSHING_DECODER, 156 FLUSHING_DECODER_SHUTDOWN, 157 SHUTTING_DOWN_DECODER, 158 FLUSHED, 159 SHUT_DOWN, 160 }; 161 162 // Once the current flush is complete this indicates whether the 163 // notion of time has changed. 164 bool mTimeDiscontinuityPending; 165 166 // Used by feedDecoderInputData to aggregate small buffers into 167 // one large buffer. 168 sp<ABuffer> mPendingAudioAccessUnit; 169 status_t mPendingAudioErr; 170 sp<ABuffer> mAggregateBuffer; 171 172 FlushStatus mFlushingAudio; 173 FlushStatus mFlushingVideo; 174 175 int64_t mSkipRenderingAudioUntilMediaTimeUs; 176 int64_t mSkipRenderingVideoUntilMediaTimeUs; 177 178 int64_t mVideoLateByUs; 179 int64_t mNumFramesTotal, mNumFramesDropped; 180 181 int32_t mVideoScalingMode; 182 183 bool mStarted; 184 185 inline const sp<Decoder> &getDecoder(bool audio) { 186 return audio ? mAudioDecoder : mVideoDecoder; 187 } 188 189 void openAudioSink(const sp<AMessage> &format, bool offloadOnly); 190 void closeAudioSink(); 191 192 status_t instantiateDecoder(bool audio, sp<Decoder> *decoder); 193 194 void updateVideoSize( 195 const sp<AMessage> &inputFormat, 196 const sp<AMessage> &outputFormat = NULL); 197 198 status_t feedDecoderInputData(bool audio, const sp<AMessage> &msg); 199 void renderBuffer(bool audio, const sp<AMessage> &msg); 200 201 void notifyListener(int msg, int ext1, int ext2, const Parcel *in = NULL); 202 203 void finishFlushIfPossible(); 204 205 void flushDecoder( 206 bool audio, bool needShutdown, const sp<AMessage> &newFormat = NULL); 207 void updateDecoderFormatWithoutFlush(bool audio, const sp<AMessage> &format); 208 209 static bool IsFlushingState(FlushStatus state, bool *needShutdown = NULL); 210 211 void postScanSources(); 212 213 void schedulePollDuration(); 214 void cancelPollDuration(); 215 216 void processDeferredActions(); 217 218 void performSeek(int64_t seekTimeUs, bool needNotify); 219 void performDecoderFlush(); 220 void performDecoderShutdown(bool audio, bool video); 221 void performReset(); 222 void performScanSources(); 223 void performSetSurface(const sp<NativeWindowWrapper> &wrapper); 224 225 void onSourceNotify(const sp<AMessage> &msg); 226 void onClosedCaptionNotify(const sp<AMessage> &msg); 227 228 void queueDecoderShutdown( 229 bool audio, bool video, const sp<AMessage> &reply); 230 231 void sendSubtitleData(const sp<ABuffer> &buffer, int32_t baseIndex); 232 void sendTimedTextData(const sp<ABuffer> &buffer); 233 234 void writeTrackInfo(Parcel* reply, const sp<AMessage> format) const; 235 236 DISALLOW_EVIL_CONSTRUCTORS(NuPlayer); 237}; 238 239} // namespace android 240 241#endif // NU_PLAYER_H_ 242