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 NUPLAYER_RENDERER_H_ 18 19 #define NUPLAYER_RENDERER_H_ 20 21 #include <media/AudioResamplerPublic.h> 22 #include <media/AVSyncSettings.h> 23 24 #include "NuPlayer.h" 25 26 namespace android { 27 28 struct ABuffer; 29 class AWakeLock; 30 struct MediaClock; 31 struct VideoFrameScheduler; 32 33 struct NuPlayer::Renderer : public AHandler { 34 enum Flags { 35 FLAG_REAL_TIME = 1, 36 FLAG_OFFLOAD_AUDIO = 2, 37 }; 38 Renderer(const sp<MediaPlayerBase::AudioSink> &sink, 39 const sp<AMessage> ¬ify, 40 uint32_t flags = 0); 41 42 static size_t AudioSinkCallback( 43 MediaPlayerBase::AudioSink *audioSink, 44 void *data, size_t size, void *me, 45 MediaPlayerBase::AudioSink::cb_event_t event); 46 47 void queueBuffer( 48 bool audio, 49 const sp<ABuffer> &buffer, 50 const sp<AMessage> ¬ifyConsumed); 51 52 void queueEOS(bool audio, status_t finalResult); 53 54 status_t setPlaybackSettings(const AudioPlaybackRate &rate /* sanitized */); 55 status_t getPlaybackSettings(AudioPlaybackRate *rate /* nonnull */); 56 status_t setSyncSettings(const AVSyncSettings &sync, float videoFpsHint); 57 status_t getSyncSettings(AVSyncSettings *sync /* nonnull */, float *videoFps /* nonnull */); 58 59 void flush(bool audio, bool notifyComplete); 60 61 void signalTimeDiscontinuity(); 62 63 void signalAudioSinkChanged(); 64 65 void signalDisableOffloadAudio(); 66 void signalEnableOffloadAudio(); 67 68 void pause(); 69 void resume(); 70 71 void setVideoFrameRate(float fps); 72 73 status_t getCurrentPosition(int64_t *mediaUs); 74 int64_t getVideoLateByUs(); 75 76 status_t openAudioSink( 77 const sp<AMessage> &format, 78 bool offloadOnly, 79 bool hasVideo, 80 uint32_t flags, 81 bool *isOffloaded); 82 void closeAudioSink(); 83 84 enum { 85 kWhatEOS = 'eos ', 86 kWhatFlushComplete = 'fluC', 87 kWhatPosition = 'posi', 88 kWhatVideoRenderingStart = 'vdrd', 89 kWhatMediaRenderingStart = 'mdrd', 90 kWhatAudioTearDown = 'adTD', 91 kWhatAudioOffloadPauseTimeout = 'aOPT', 92 }; 93 94 enum AudioTearDownReason { 95 kDueToError = 0, 96 kDueToTimeout, 97 }; 98 99 protected: 100 virtual ~Renderer(); 101 102 virtual void onMessageReceived(const sp<AMessage> &msg); 103 104 private: 105 enum { 106 kWhatDrainAudioQueue = 'draA', 107 kWhatDrainVideoQueue = 'draV', 108 kWhatPostDrainVideoQueue = 'pDVQ', 109 kWhatQueueBuffer = 'queB', 110 kWhatQueueEOS = 'qEOS', 111 kWhatConfigPlayback = 'cfPB', 112 kWhatConfigSync = 'cfSy', 113 kWhatGetPlaybackSettings = 'gPbS', 114 kWhatGetSyncSettings = 'gSyS', 115 kWhatFlush = 'flus', 116 kWhatPause = 'paus', 117 kWhatResume = 'resm', 118 kWhatOpenAudioSink = 'opnA', 119 kWhatCloseAudioSink = 'clsA', 120 kWhatStopAudioSink = 'stpA', 121 kWhatDisableOffloadAudio = 'noOA', 122 kWhatEnableOffloadAudio = 'enOA', 123 kWhatSetVideoFrameRate = 'sVFR', 124 }; 125 126 struct QueueEntry { 127 sp<ABuffer> mBuffer; 128 sp<AMessage> mNotifyConsumed; 129 size_t mOffset; 130 status_t mFinalResult; 131 int32_t mBufferOrdinal; 132 }; 133 134 static const int64_t kMinPositionUpdateDelayUs; 135 136 sp<MediaPlayerBase::AudioSink> mAudioSink; 137 sp<AMessage> mNotify; 138 Mutex mLock; 139 uint32_t mFlags; 140 List<QueueEntry> mAudioQueue; 141 List<QueueEntry> mVideoQueue; 142 uint32_t mNumFramesWritten; 143 sp<VideoFrameScheduler> mVideoScheduler; 144 145 bool mDrainAudioQueuePending; 146 bool mDrainVideoQueuePending; 147 int32_t mAudioQueueGeneration; 148 int32_t mVideoQueueGeneration; 149 int32_t mAudioDrainGeneration; 150 int32_t mVideoDrainGeneration; 151 152 sp<MediaClock> mMediaClock; 153 float mPlaybackRate; // audio track rate 154 155 AudioPlaybackRate mPlaybackSettings; 156 AVSyncSettings mSyncSettings; 157 float mVideoFpsHint; 158 159 int64_t mAudioFirstAnchorTimeMediaUs; 160 int64_t mAnchorTimeMediaUs; 161 int64_t mAnchorNumFramesWritten; 162 int64_t mVideoLateByUs; 163 bool mHasAudio; 164 bool mHasVideo; 165 166 bool mNotifyCompleteAudio; 167 bool mNotifyCompleteVideo; 168 169 bool mSyncQueues; 170 171 // modified on only renderer's thread. 172 bool mPaused; 173 174 bool mVideoSampleReceived; 175 bool mVideoRenderingStarted; 176 int32_t mVideoRenderingStartGeneration; 177 int32_t mAudioRenderingStartGeneration; 178 179 int64_t mLastPositionUpdateUs; 180 181 int32_t mAudioOffloadPauseTimeoutGeneration; 182 bool mAudioTornDown; 183 audio_offload_info_t mCurrentOffloadInfo; 184 185 struct PcmInfo { 186 audio_channel_mask_t mChannelMask; 187 audio_output_flags_t mFlags; 188 audio_format_t mFormat; 189 int32_t mNumChannels; 190 int32_t mSampleRate; 191 }; 192 PcmInfo mCurrentPcmInfo; 193 static const PcmInfo AUDIO_PCMINFO_INITIALIZER; 194 195 int32_t mTotalBuffersQueued; 196 int32_t mLastAudioBufferDrained; 197 bool mUseAudioCallback; 198 199 sp<AWakeLock> mWakeLock; 200 201 status_t getCurrentPositionOnLooper(int64_t *mediaUs); 202 status_t getCurrentPositionOnLooper( 203 int64_t *mediaUs, int64_t nowUs, bool allowPastQueuedVideo = false); 204 bool getCurrentPositionIfPaused_l(int64_t *mediaUs); 205 status_t getCurrentPositionFromAnchor( 206 int64_t *mediaUs, int64_t nowUs, bool allowPastQueuedVideo = false); 207 208 size_t fillAudioBuffer(void *buffer, size_t size); 209 210 bool onDrainAudioQueue(); 211 void drainAudioQueueUntilLastEOS(); 212 int64_t getPendingAudioPlayoutDurationUs(int64_t nowUs); 213 int64_t getPlayedOutAudioDurationUs(int64_t nowUs); 214 void postDrainAudioQueue_l(int64_t delayUs = 0); 215 216 void clearAnchorTime_l(); 217 void clearAudioFirstAnchorTime_l(); 218 void setAudioFirstAnchorTimeIfNeeded_l(int64_t mediaUs); 219 void setVideoLateByUs(int64_t lateUs); 220 221 void onNewAudioMediaTime(int64_t mediaTimeUs); 222 int64_t getRealTimeUs(int64_t mediaTimeUs, int64_t nowUs); 223 224 void onDrainVideoQueue(); 225 void postDrainVideoQueue(); 226 227 void prepareForMediaRenderingStart_l(); 228 void notifyIfMediaRenderingStarted_l(); 229 230 void onQueueBuffer(const sp<AMessage> &msg); 231 void onQueueEOS(const sp<AMessage> &msg); 232 void onFlush(const sp<AMessage> &msg); 233 void onAudioSinkChanged(); 234 void onDisableOffloadAudio(); 235 void onEnableOffloadAudio(); 236 status_t onConfigPlayback(const AudioPlaybackRate &rate /* sanitized */); 237 status_t onGetPlaybackSettings(AudioPlaybackRate *rate /* nonnull */); 238 status_t onConfigSync(const AVSyncSettings &sync, float videoFpsHint); 239 status_t onGetSyncSettings(AVSyncSettings *sync /* nonnull */, float *videoFps /* nonnull */); 240 241 void onPause(); 242 void onResume(); 243 void onSetVideoFrameRate(float fps); 244 int32_t getQueueGeneration(bool audio); 245 int32_t getDrainGeneration(bool audio); 246 bool getSyncQueues(); 247 void onAudioTearDown(AudioTearDownReason reason); 248 status_t onOpenAudioSink( 249 const sp<AMessage> &format, 250 bool offloadOnly, 251 bool hasVideo, 252 uint32_t flags); 253 void onCloseAudioSink(); 254 255 void notifyEOS(bool audio, status_t finalResult, int64_t delayUs = 0); 256 void notifyFlushComplete(bool audio); 257 void notifyPosition(); 258 void notifyVideoLateBy(int64_t lateByUs); 259 void notifyVideoRenderingStart(); 260 void notifyAudioTearDown(); 261 262 void flushQueue(List<QueueEntry> *queue); 263 bool dropBufferIfStale(bool audio, const sp<AMessage> &msg); 264 void syncQueuesDone_l(); 265 266 bool offloadingAudio() const { return (mFlags & FLAG_OFFLOAD_AUDIO) != 0; } 267 268 void startAudioOffloadPauseTimeout(); 269 void cancelAudioOffloadPauseTimeout(); 270 271 int64_t getDurationUsIfPlayedAtSampleRate(uint32_t numFrames); 272 273 DISALLOW_EVIL_CONSTRUCTORS(Renderer); 274 }; 275 276 } // namespace android 277 278 #endif // NUPLAYER_RENDERER_H_ 279
