diff options
Diffstat (limited to 'media/libmediaplayerservice/nuplayer/NuPlayerRenderer.cpp')
| -rw-r--r-- | media/libmediaplayerservice/nuplayer/NuPlayerRenderer.cpp | 554 |
1 files changed, 252 insertions, 302 deletions
diff --git a/media/libmediaplayerservice/nuplayer/NuPlayerRenderer.cpp b/media/libmediaplayerservice/nuplayer/NuPlayerRenderer.cpp index 25225a8..a2ec51c 100644 --- a/media/libmediaplayerservice/nuplayer/NuPlayerRenderer.cpp +++ b/media/libmediaplayerservice/nuplayer/NuPlayerRenderer.cpp @@ -25,6 +25,7 @@ #include <media/stagefright/foundation/AMessage.h> #include <media/stagefright/foundation/AUtils.h> #include <media/stagefright/foundation/AWakeLock.h> +#include <media/stagefright/MediaClock.h> #include <media/stagefright/MediaErrors.h> #include <media/stagefright/MetaData.h> #include <media/stagefright/Utils.h> @@ -63,22 +64,19 @@ NuPlayer::Renderer::Renderer( mDrainVideoQueuePending(false), mAudioQueueGeneration(0), mVideoQueueGeneration(0), + mAudioDrainGeneration(0), + mVideoDrainGeneration(0), + mPlaybackRate(1.0), mAudioFirstAnchorTimeMediaUs(-1), mAnchorTimeMediaUs(-1), - mAnchorTimeRealUs(-1), mAnchorNumFramesWritten(-1), - mAnchorMaxMediaUs(-1), mVideoLateByUs(0ll), mHasAudio(false), mHasVideo(false), - mPauseStartedTimeRealUs(-1), - mFlushingAudio(false), - mFlushingVideo(false), mNotifyCompleteAudio(false), mNotifyCompleteVideo(false), mSyncQueues(false), mPaused(false), - mPausePositionMediaTimeUs(-1), mVideoSampleReceived(false), mVideoRenderingStarted(false), mVideoRenderingStartGeneration(0), @@ -90,7 +88,7 @@ NuPlayer::Renderer::Renderer( mTotalBuffersQueued(0), mLastAudioBufferDrained(0), mWakeLock(new AWakeLock()) { - + mMediaClock = new MediaClock; } NuPlayer::Renderer::~Renderer() { @@ -105,7 +103,8 @@ void NuPlayer::Renderer::queueBuffer( bool audio, const sp<ABuffer> &buffer, const sp<AMessage> ¬ifyConsumed) { - sp<AMessage> msg = new AMessage(kWhatQueueBuffer, id()); + sp<AMessage> msg = new AMessage(kWhatQueueBuffer, this); + msg->setInt32("queueGeneration", getQueueGeneration(audio)); msg->setInt32("audio", static_cast<int32_t>(audio)); msg->setBuffer("buffer", buffer); msg->setMessage("notifyConsumed", notifyConsumed); @@ -115,199 +114,108 @@ void NuPlayer::Renderer::queueBuffer( void NuPlayer::Renderer::queueEOS(bool audio, status_t finalResult) { CHECK_NE(finalResult, (status_t)OK); - sp<AMessage> msg = new AMessage(kWhatQueueEOS, id()); + sp<AMessage> msg = new AMessage(kWhatQueueEOS, this); + msg->setInt32("queueGeneration", getQueueGeneration(audio)); msg->setInt32("audio", static_cast<int32_t>(audio)); msg->setInt32("finalResult", finalResult); msg->post(); } +void NuPlayer::Renderer::setPlaybackRate(float rate) { + sp<AMessage> msg = new AMessage(kWhatSetRate, this); + msg->setFloat("rate", rate); + msg->post(); +} + void NuPlayer::Renderer::flush(bool audio, bool notifyComplete) { { - Mutex::Autolock autoLock(mFlushLock); + Mutex::Autolock autoLock(mLock); if (audio) { mNotifyCompleteAudio |= notifyComplete; - if (mFlushingAudio) { - return; - } - mFlushingAudio = true; + ++mAudioQueueGeneration; + ++mAudioDrainGeneration; } else { mNotifyCompleteVideo |= notifyComplete; - if (mFlushingVideo) { - return; - } - mFlushingVideo = true; + ++mVideoQueueGeneration; + ++mVideoDrainGeneration; } + + clearAnchorTime_l(); + clearAudioFirstAnchorTime_l(); + mVideoLateByUs = 0; + mSyncQueues = false; } - sp<AMessage> msg = new AMessage(kWhatFlush, id()); + sp<AMessage> msg = new AMessage(kWhatFlush, this); msg->setInt32("audio", static_cast<int32_t>(audio)); msg->post(); } void NuPlayer::Renderer::signalTimeDiscontinuity() { - Mutex::Autolock autoLock(mLock); - // CHECK(mAudioQueue.empty()); - // CHECK(mVideoQueue.empty()); - setAudioFirstAnchorTime(-1); - setAnchorTime(-1, -1); - setVideoLateByUs(0); - mSyncQueues = false; -} - -void NuPlayer::Renderer::signalAudioSinkChanged() { - (new AMessage(kWhatAudioSinkChanged, id()))->post(); } void NuPlayer::Renderer::signalDisableOffloadAudio() { - (new AMessage(kWhatDisableOffloadAudio, id()))->post(); + (new AMessage(kWhatDisableOffloadAudio, this))->post(); } void NuPlayer::Renderer::signalEnableOffloadAudio() { - (new AMessage(kWhatEnableOffloadAudio, id()))->post(); + (new AMessage(kWhatEnableOffloadAudio, this))->post(); } void NuPlayer::Renderer::pause() { - (new AMessage(kWhatPause, id()))->post(); + (new AMessage(kWhatPause, this))->post(); } void NuPlayer::Renderer::resume() { - (new AMessage(kWhatResume, id()))->post(); + (new AMessage(kWhatResume, this))->post(); } void NuPlayer::Renderer::setVideoFrameRate(float fps) { - sp<AMessage> msg = new AMessage(kWhatSetVideoFrameRate, id()); + sp<AMessage> msg = new AMessage(kWhatSetVideoFrameRate, this); msg->setFloat("frame-rate", fps); msg->post(); } -// Called on any threads, except renderer's thread. -status_t NuPlayer::Renderer::getCurrentPosition(int64_t *mediaUs) { - { - Mutex::Autolock autoLock(mLock); - int64_t currentPositionUs; - if (getCurrentPositionIfPaused_l(¤tPositionUs)) { - *mediaUs = currentPositionUs; - return OK; - } - } - return getCurrentPositionFromAnchor(mediaUs, ALooper::GetNowUs()); -} - -// Called on only renderer's thread. -status_t NuPlayer::Renderer::getCurrentPositionOnLooper(int64_t *mediaUs) { - return getCurrentPositionOnLooper(mediaUs, ALooper::GetNowUs()); -} - -// Called on only renderer's thread. -// Since mPaused and mPausePositionMediaTimeUs are changed only on renderer's -// thread, no need to acquire mLock. -status_t NuPlayer::Renderer::getCurrentPositionOnLooper( - int64_t *mediaUs, int64_t nowUs, bool allowPastQueuedVideo) { - int64_t currentPositionUs; - if (getCurrentPositionIfPaused_l(¤tPositionUs)) { - *mediaUs = currentPositionUs; - return OK; - } - return getCurrentPositionFromAnchor(mediaUs, nowUs, allowPastQueuedVideo); -} - -// Called either with mLock acquired or on renderer's thread. -bool NuPlayer::Renderer::getCurrentPositionIfPaused_l(int64_t *mediaUs) { - if (!mPaused || mPausePositionMediaTimeUs < 0ll) { - return false; - } - *mediaUs = mPausePositionMediaTimeUs; - return true; -} - // Called on any threads. -status_t NuPlayer::Renderer::getCurrentPositionFromAnchor( - int64_t *mediaUs, int64_t nowUs, bool allowPastQueuedVideo) { - Mutex::Autolock autoLock(mTimeLock); - if (!mHasAudio && !mHasVideo) { - return NO_INIT; - } - - if (mAnchorTimeMediaUs < 0) { - return NO_INIT; - } - - int64_t positionUs = (nowUs - mAnchorTimeRealUs) + mAnchorTimeMediaUs; - - if (mPauseStartedTimeRealUs != -1) { - positionUs -= (nowUs - mPauseStartedTimeRealUs); - } - - // limit position to the last queued media time (for video only stream - // position will be discrete as we don't know how long each frame lasts) - if (mAnchorMaxMediaUs >= 0 && !allowPastQueuedVideo) { - if (positionUs > mAnchorMaxMediaUs) { - positionUs = mAnchorMaxMediaUs; - } - } - - if (positionUs < mAudioFirstAnchorTimeMediaUs) { - positionUs = mAudioFirstAnchorTimeMediaUs; - } - - *mediaUs = (positionUs <= 0) ? 0 : positionUs; - return OK; -} - -void NuPlayer::Renderer::setHasMedia(bool audio) { - Mutex::Autolock autoLock(mTimeLock); - if (audio) { - mHasAudio = true; - } else { - mHasVideo = true; - } +status_t NuPlayer::Renderer::getCurrentPosition(int64_t *mediaUs) { + return mMediaClock->getMediaTime(ALooper::GetNowUs(), mediaUs); } -void NuPlayer::Renderer::setAudioFirstAnchorTime(int64_t mediaUs) { - Mutex::Autolock autoLock(mTimeLock); - mAudioFirstAnchorTimeMediaUs = mediaUs; +void NuPlayer::Renderer::clearAudioFirstAnchorTime_l() { + mAudioFirstAnchorTimeMediaUs = -1; + mMediaClock->setStartingTimeMedia(-1); } -void NuPlayer::Renderer::setAudioFirstAnchorTimeIfNeeded(int64_t mediaUs) { - Mutex::Autolock autoLock(mTimeLock); +void NuPlayer::Renderer::setAudioFirstAnchorTimeIfNeeded_l(int64_t mediaUs) { if (mAudioFirstAnchorTimeMediaUs == -1) { mAudioFirstAnchorTimeMediaUs = mediaUs; + mMediaClock->setStartingTimeMedia(mediaUs); } } -void NuPlayer::Renderer::setAnchorTime( - int64_t mediaUs, int64_t realUs, int64_t numFramesWritten, bool resume) { - Mutex::Autolock autoLock(mTimeLock); - mAnchorTimeMediaUs = mediaUs; - mAnchorTimeRealUs = realUs; - mAnchorNumFramesWritten = numFramesWritten; - if (resume) { - mPauseStartedTimeRealUs = -1; - } +void NuPlayer::Renderer::clearAnchorTime_l() { + mMediaClock->clearAnchor(); + mAnchorTimeMediaUs = -1; + mAnchorNumFramesWritten = -1; } void NuPlayer::Renderer::setVideoLateByUs(int64_t lateUs) { - Mutex::Autolock autoLock(mTimeLock); + Mutex::Autolock autoLock(mLock); mVideoLateByUs = lateUs; } int64_t NuPlayer::Renderer::getVideoLateByUs() { - Mutex::Autolock autoLock(mTimeLock); + Mutex::Autolock autoLock(mLock); return mVideoLateByUs; } -void NuPlayer::Renderer::setPauseStartedTimeRealUs(int64_t realUs) { - Mutex::Autolock autoLock(mTimeLock); - mPauseStartedTimeRealUs = realUs; -} - status_t NuPlayer::Renderer::openAudioSink( const sp<AMessage> &format, bool offloadOnly, bool hasVideo, uint32_t flags, bool *isOffloaded) { - sp<AMessage> msg = new AMessage(kWhatOpenAudioSink, id()); + sp<AMessage> msg = new AMessage(kWhatOpenAudioSink, this); msg->setMessage("format", format); msg->setInt32("offload-only", offloadOnly); msg->setInt32("has-video", hasVideo); @@ -328,7 +236,7 @@ status_t NuPlayer::Renderer::openAudioSink( } void NuPlayer::Renderer::closeAudioSink() { - sp<AMessage> msg = new AMessage(kWhatCloseAudioSink, id()); + sp<AMessage> msg = new AMessage(kWhatCloseAudioSink, this); sp<AMessage> response; msg->postAndAwaitResponse(&response); @@ -356,7 +264,7 @@ void NuPlayer::Renderer::onMessageReceived(const sp<AMessage> &msg) { response->setInt32("err", err); response->setInt32("offload", offloadingAudio()); - uint32_t replyID; + sp<AReplyToken> replyID; CHECK(msg->senderAwaitsResponse(&replyID)); response->postReply(replyID); @@ -365,7 +273,7 @@ void NuPlayer::Renderer::onMessageReceived(const sp<AMessage> &msg) { case kWhatCloseAudioSink: { - uint32_t replyID; + sp<AReplyToken> replyID; CHECK(msg->senderAwaitsResponse(&replyID)); onCloseAudioSink(); @@ -384,8 +292,8 @@ void NuPlayer::Renderer::onMessageReceived(const sp<AMessage> &msg) { case kWhatDrainAudioQueue: { int32_t generation; - CHECK(msg->findInt32("generation", &generation)); - if (generation != mAudioQueueGeneration) { + CHECK(msg->findInt32("drainGeneration", &generation)); + if (generation != getDrainGeneration(true /* audio */)) { break; } @@ -407,9 +315,7 @@ void NuPlayer::Renderer::onMessageReceived(const sp<AMessage> &msg) { // Let's give it more data after about half that time // has elapsed. - // kWhatDrainAudioQueue is used for non-offloading mode, - // and mLock is used only for offloading mode. Therefore, - // no need to acquire mLock here. + Mutex::Autolock autoLock(mLock); postDrainAudioQueue_l(delayUs / 2); } break; @@ -418,8 +324,8 @@ void NuPlayer::Renderer::onMessageReceived(const sp<AMessage> &msg) { case kWhatDrainVideoQueue: { int32_t generation; - CHECK(msg->findInt32("generation", &generation)); - if (generation != mVideoQueueGeneration) { + CHECK(msg->findInt32("drainGeneration", &generation)); + if (generation != getDrainGeneration(false /* audio */)) { break; } @@ -427,22 +333,20 @@ void NuPlayer::Renderer::onMessageReceived(const sp<AMessage> &msg) { onDrainVideoQueue(); - Mutex::Autolock autoLock(mLock); - postDrainVideoQueue_l(); + postDrainVideoQueue(); break; } case kWhatPostDrainVideoQueue: { int32_t generation; - CHECK(msg->findInt32("generation", &generation)); - if (generation != mVideoQueueGeneration) { + CHECK(msg->findInt32("drainGeneration", &generation)); + if (generation != getDrainGeneration(false /* audio */)) { break; } mDrainVideoQueuePending = false; - Mutex::Autolock autoLock(mLock); - postDrainVideoQueue_l(); + postDrainVideoQueue(); break; } @@ -458,15 +362,19 @@ void NuPlayer::Renderer::onMessageReceived(const sp<AMessage> &msg) { break; } - case kWhatFlush: + case kWhatSetRate: { - onFlush(msg); + CHECK(msg->findFloat("rate", &mPlaybackRate)); + int32_t ratePermille = (int32_t)(0.5f + 1000 * mPlaybackRate); + mPlaybackRate = ratePermille / 1000.0f; + mMediaClock->setPlaybackRate(mPlaybackRate); + mAudioSink->setPlaybackRatePermille(ratePermille); break; } - case kWhatAudioSinkChanged: + case kWhatFlush: { - onAudioSinkChanged(); + onFlush(msg); break; } @@ -511,7 +419,7 @@ void NuPlayer::Renderer::onMessageReceived(const sp<AMessage> &msg) { case kWhatAudioOffloadPauseTimeout: { int32_t generation; - CHECK(msg->findInt32("generation", &generation)); + CHECK(msg->findInt32("drainGeneration", &generation)); if (generation != mAudioOffloadPauseTimeoutGeneration) { break; } @@ -538,19 +446,19 @@ void NuPlayer::Renderer::postDrainAudioQueue_l(int64_t delayUs) { } mDrainAudioQueuePending = true; - sp<AMessage> msg = new AMessage(kWhatDrainAudioQueue, id()); - msg->setInt32("generation", mAudioQueueGeneration); + sp<AMessage> msg = new AMessage(kWhatDrainAudioQueue, this); + msg->setInt32("drainGeneration", mAudioDrainGeneration); msg->post(delayUs); } -void NuPlayer::Renderer::prepareForMediaRenderingStart() { - mAudioRenderingStartGeneration = mAudioQueueGeneration; - mVideoRenderingStartGeneration = mVideoQueueGeneration; +void NuPlayer::Renderer::prepareForMediaRenderingStart_l() { + mAudioRenderingStartGeneration = mAudioDrainGeneration; + mVideoRenderingStartGeneration = mVideoDrainGeneration; } -void NuPlayer::Renderer::notifyIfMediaRenderingStarted() { - if (mVideoRenderingStartGeneration == mVideoQueueGeneration && - mAudioRenderingStartGeneration == mAudioQueueGeneration) { +void NuPlayer::Renderer::notifyIfMediaRenderingStarted_l() { + if (mVideoRenderingStartGeneration == mVideoDrainGeneration && + mAudioRenderingStartGeneration == mAudioDrainGeneration) { mVideoRenderingStartGeneration = -1; mAudioRenderingStartGeneration = -1; @@ -618,7 +526,7 @@ size_t NuPlayer::Renderer::fillAudioBuffer(void *buffer, size_t size) { int64_t mediaTimeUs; CHECK(entry->mBuffer->meta()->findInt64("timeUs", &mediaTimeUs)); ALOGV("rendering audio at media time %.2f secs", mediaTimeUs / 1E6); - setAudioFirstAnchorTimeIfNeeded(mediaTimeUs); + setAudioFirstAnchorTimeIfNeeded_l(mediaTimeUs); } size_t copy = entry->mBuffer->size() - entry->mOffset; @@ -638,34 +546,45 @@ size_t NuPlayer::Renderer::fillAudioBuffer(void *buffer, size_t size) { entry = NULL; } sizeCopied += copy; - notifyIfMediaRenderingStarted(); + + notifyIfMediaRenderingStarted_l(); } if (mAudioFirstAnchorTimeMediaUs >= 0) { int64_t nowUs = ALooper::GetNowUs(); - setAnchorTime(mAudioFirstAnchorTimeMediaUs, nowUs - getPlayedOutAudioDurationUs(nowUs)); + int64_t nowMediaUs = + mAudioFirstAnchorTimeMediaUs + getPlayedOutAudioDurationUs(nowUs); + // we don't know how much data we are queueing for offloaded tracks. + mMediaClock->updateAnchor(nowMediaUs, nowUs, INT64_MAX); } - // we don't know how much data we are queueing for offloaded tracks - mAnchorMaxMediaUs = -1; - if (hasEOS) { - (new AMessage(kWhatStopAudioSink, id()))->post(); + (new AMessage(kWhatStopAudioSink, this))->post(); } return sizeCopied; } bool NuPlayer::Renderer::onDrainAudioQueue() { + // TODO: This call to getPosition checks if AudioTrack has been created + // in AudioSink before draining audio. If AudioTrack doesn't exist, then + // CHECKs on getPosition will fail. + // We still need to figure out why AudioTrack is not created when + // this function is called. One possible reason could be leftover + // audio. Another possible place is to check whether decoder + // has received INFO_FORMAT_CHANGED as the first buffer since + // AudioSink is opened there, and possible interactions with flush + // immediately after start. Investigate error message + // "vorbis_dsp_synthesis returned -135", along with RTSP. uint32_t numFramesPlayed; if (mAudioSink->getPosition(&numFramesPlayed) != OK) { return false; } +#if 0 ssize_t numFramesAvailableToWrite = mAudioSink->frameCount() - (mNumFramesWritten - numFramesPlayed); -#if 0 if (numFramesAvailableToWrite == mAudioSink->frameCount()) { ALOGI("audio sink underrun"); } else { @@ -674,10 +593,7 @@ bool NuPlayer::Renderer::onDrainAudioQueue() { } #endif - size_t numBytesAvailableToWrite = - numFramesAvailableToWrite * mAudioSink->frameSize(); - - while (numBytesAvailableToWrite > 0 && !mAudioQueue.empty()) { + while (!mAudioQueue.empty()) { QueueEntry *entry = &*mAudioQueue.begin(); mLastAudioBufferDrained = entry->mBufferOrdinal; @@ -710,14 +626,16 @@ bool NuPlayer::Renderer::onDrainAudioQueue() { } size_t copy = entry->mBuffer->size() - entry->mOffset; - if (copy > numBytesAvailableToWrite) { - copy = numBytesAvailableToWrite; - } - ssize_t written = mAudioSink->write(entry->mBuffer->data() + entry->mOffset, copy); + ssize_t written = mAudioSink->write(entry->mBuffer->data() + entry->mOffset, + copy, false /* blocking */); if (written < 0) { // An error in AudioSink write. Perhaps the AudioSink was not properly opened. - ALOGE("AudioSink write error(%zd) when writing %zu bytes", written, copy); + if (written == WOULD_BLOCK) { + ALOGW("AudioSink write would block when writing %zu bytes", copy); + } else { + ALOGE("AudioSink write error(%zd) when writing %zu bytes", written, copy); + } break; } @@ -729,73 +647,92 @@ bool NuPlayer::Renderer::onDrainAudioQueue() { entry = NULL; } - numBytesAvailableToWrite -= written; size_t copiedFrames = written / mAudioSink->frameSize(); mNumFramesWritten += copiedFrames; - notifyIfMediaRenderingStarted(); + { + Mutex::Autolock autoLock(mLock); + notifyIfMediaRenderingStarted_l(); + } if (written != (ssize_t)copy) { // A short count was received from AudioSink::write() // - // AudioSink write should block until exactly the number of bytes are delivered. - // But it may return with a short count (without an error) when: + // AudioSink write is called in non-blocking mode. + // It may return with a short count when: // // 1) Size to be copied is not a multiple of the frame size. We consider this fatal. - // 2) AudioSink is an AudioCache for data retrieval, and the AudioCache is exceeded. + // 2) The data to be copied exceeds the available buffer in AudioSink. + // 3) An error occurs and data has been partially copied to the buffer in AudioSink. + // 4) AudioSink is an AudioCache for data retrieval, and the AudioCache is exceeded. // (Case 1) // Must be a multiple of the frame size. If it is not a multiple of a frame size, it // needs to fail, as we should not carry over fractional frames between calls. CHECK_EQ(copy % mAudioSink->frameSize(), 0); - // (Case 2) + // (Case 2, 3, 4) // Return early to the caller. // Beware of calling immediately again as this may busy-loop if you are not careful. - ALOGW("AudioSink write short frame count %zd < %zu", written, copy); + ALOGV("AudioSink write short frame count %zd < %zu", written, copy); break; } } - mAnchorMaxMediaUs = - mAnchorTimeMediaUs + - (int64_t)(max((long long)mNumFramesWritten - mAnchorNumFramesWritten, 0LL) - * 1000LL * mAudioSink->msecsPerFrame()); + int64_t maxTimeMedia; + { + Mutex::Autolock autoLock(mLock); + maxTimeMedia = + mAnchorTimeMediaUs + + (int64_t)(max((long long)mNumFramesWritten - mAnchorNumFramesWritten, 0LL) + * 1000LL * mAudioSink->msecsPerFrame()); + } + mMediaClock->updateMaxTimeMedia(maxTimeMedia); return !mAudioQueue.empty(); } +int64_t NuPlayer::Renderer::getDurationUsIfPlayedAtSampleRate(uint32_t numFrames) { + int32_t sampleRate = offloadingAudio() ? + mCurrentOffloadInfo.sample_rate : mCurrentPcmInfo.mSampleRate; + // TODO: remove the (int32_t) casting below as it may overflow at 12.4 hours. + return (int64_t)((int32_t)numFrames * 1000000LL / sampleRate); +} + +// Calculate duration of pending samples if played at normal rate (i.e., 1.0). int64_t NuPlayer::Renderer::getPendingAudioPlayoutDurationUs(int64_t nowUs) { - int64_t writtenAudioDurationUs = - mNumFramesWritten * 1000LL * mAudioSink->msecsPerFrame(); + int64_t writtenAudioDurationUs = getDurationUsIfPlayedAtSampleRate(mNumFramesWritten); return writtenAudioDurationUs - getPlayedOutAudioDurationUs(nowUs); } int64_t NuPlayer::Renderer::getRealTimeUs(int64_t mediaTimeUs, int64_t nowUs) { - int64_t currentPositionUs; - if (mPaused || getCurrentPositionOnLooper( - ¤tPositionUs, nowUs, true /* allowPastQueuedVideo */) != OK) { - // If failed to get current position, e.g. due to audio clock is not ready, then just - // play out video immediately without delay. + int64_t realUs; + if (mMediaClock->getRealTimeFor(mediaTimeUs, &realUs) != OK) { + // If failed to get current position, e.g. due to audio clock is + // not ready, then just play out video immediately without delay. return nowUs; } - return (mediaTimeUs - currentPositionUs) + nowUs; + return realUs; } void NuPlayer::Renderer::onNewAudioMediaTime(int64_t mediaTimeUs) { + Mutex::Autolock autoLock(mLock); // TRICKY: vorbis decoder generates multiple frames with the same // timestamp, so only update on the first frame with a given timestamp if (mediaTimeUs == mAnchorTimeMediaUs) { return; } - setAudioFirstAnchorTimeIfNeeded(mediaTimeUs); + setAudioFirstAnchorTimeIfNeeded_l(mediaTimeUs); int64_t nowUs = ALooper::GetNowUs(); - setAnchorTime( - mediaTimeUs, nowUs + getPendingAudioPlayoutDurationUs(nowUs), mNumFramesWritten); + int64_t nowMediaUs = mediaTimeUs - getPendingAudioPlayoutDurationUs(nowUs); + mMediaClock->updateAnchor(nowMediaUs, nowUs, mediaTimeUs); + mAnchorNumFramesWritten = mNumFramesWritten; + mAnchorTimeMediaUs = mediaTimeUs; } -void NuPlayer::Renderer::postDrainVideoQueue_l() { +// Called without mLock acquired. +void NuPlayer::Renderer::postDrainVideoQueue() { if (mDrainVideoQueuePending - || mSyncQueues + || getSyncQueues() || (mPaused && mVideoSampleReceived)) { return; } @@ -806,8 +743,8 @@ void NuPlayer::Renderer::postDrainVideoQueue_l() { QueueEntry &entry = *mVideoQueue.begin(); - sp<AMessage> msg = new AMessage(kWhatDrainVideoQueue, id()); - msg->setInt32("generation", mVideoQueueGeneration); + sp<AMessage> msg = new AMessage(kWhatDrainVideoQueue, this); + msg->setInt32("drainGeneration", getDrainGeneration(false /* audio */)); if (entry.mBuffer == NULL) { // EOS doesn't carry a timestamp. @@ -827,16 +764,19 @@ void NuPlayer::Renderer::postDrainVideoQueue_l() { int64_t mediaTimeUs; CHECK(entry.mBuffer->meta()->findInt64("timeUs", &mediaTimeUs)); - if (mAnchorTimeMediaUs < 0) { - setAnchorTime(mediaTimeUs, nowUs); - mPausePositionMediaTimeUs = mediaTimeUs; - mAnchorMaxMediaUs = mediaTimeUs; - realTimeUs = nowUs; - } else { - realTimeUs = getRealTimeUs(mediaTimeUs, nowUs); + { + Mutex::Autolock autoLock(mLock); + if (mAnchorTimeMediaUs < 0) { + mMediaClock->updateAnchor(mediaTimeUs, nowUs, mediaTimeUs); + mAnchorTimeMediaUs = mediaTimeUs; + realTimeUs = nowUs; + } else { + realTimeUs = getRealTimeUs(mediaTimeUs, nowUs); + } } if (!mHasAudio) { - mAnchorMaxMediaUs = mediaTimeUs + 100000; // smooth out videos >= 10fps + // smooth out videos >= 10fps + mMediaClock->updateMaxTimeMedia(mediaTimeUs + 100000); } // Heuristics to handle situation when media time changed without a @@ -915,16 +855,19 @@ void NuPlayer::Renderer::onDrainVideoQueue() { ALOGV("video late by %lld us (%.2f secs)", mVideoLateByUs, mVideoLateByUs / 1E6); } else { + int64_t mediaUs = 0; + mMediaClock->getMediaTime(realTimeUs, &mediaUs); ALOGV("rendering video at media time %.2f secs", (mFlags & FLAG_REAL_TIME ? realTimeUs : - (realTimeUs + mAnchorTimeMediaUs - mAnchorTimeRealUs)) / 1E6); + mediaUs) / 1E6); } } else { setVideoLateByUs(0); if (!mVideoSampleReceived && !mHasAudio) { // This will ensure that the first frame after a flush won't be used as anchor // when renderer is in paused state, because resume can happen any time after seek. - setAnchorTime(-1, -1); + Mutex::Autolock autoLock(mLock); + clearAnchorTime_l(); } } @@ -941,7 +884,8 @@ void NuPlayer::Renderer::onDrainVideoQueue() { mVideoRenderingStarted = true; notifyVideoRenderingStart(); } - notifyIfMediaRenderingStarted(); + Mutex::Autolock autoLock(mLock); + notifyIfMediaRenderingStarted_l(); } } @@ -960,14 +904,22 @@ void NuPlayer::Renderer::notifyEOS(bool audio, status_t finalResult, int64_t del } void NuPlayer::Renderer::notifyAudioOffloadTearDown() { - (new AMessage(kWhatAudioOffloadTearDown, id()))->post(); + (new AMessage(kWhatAudioOffloadTearDown, this))->post(); } void NuPlayer::Renderer::onQueueBuffer(const sp<AMessage> &msg) { int32_t audio; CHECK(msg->findInt32("audio", &audio)); - setHasMedia(audio); + if (dropBufferIfStale(audio, msg)) { + return; + } + + if (audio) { + mHasAudio = true; + } else { + mHasVideo = true; + } if (mHasVideo) { if (mVideoScheduler == NULL) { @@ -976,10 +928,6 @@ void NuPlayer::Renderer::onQueueBuffer(const sp<AMessage> &msg) { } } - if (dropBufferWhileFlushing(audio, msg)) { - return; - } - sp<ABuffer> buffer; CHECK(msg->findBuffer("buffer", &buffer)); @@ -993,15 +941,16 @@ void NuPlayer::Renderer::onQueueBuffer(const sp<AMessage> &msg) { entry.mFinalResult = OK; entry.mBufferOrdinal = ++mTotalBuffersQueued; - Mutex::Autolock autoLock(mLock); if (audio) { + Mutex::Autolock autoLock(mLock); mAudioQueue.push_back(entry); postDrainAudioQueue_l(); } else { mVideoQueue.push_back(entry); - postDrainVideoQueue_l(); + postDrainVideoQueue(); } + Mutex::Autolock autoLock(mLock); if (!mSyncQueues || mAudioQueue.empty() || mVideoQueue.empty()) { return; } @@ -1050,7 +999,9 @@ void NuPlayer::Renderer::syncQueuesDone_l() { } if (!mVideoQueue.empty()) { - postDrainVideoQueue_l(); + mLock.unlock(); + postDrainVideoQueue(); + mLock.lock(); } } @@ -1058,7 +1009,7 @@ void NuPlayer::Renderer::onQueueEOS(const sp<AMessage> &msg) { int32_t audio; CHECK(msg->findInt32("audio", &audio)); - if (dropBufferWhileFlushing(audio, msg)) { + if (dropBufferIfStale(audio, msg)) { return; } @@ -1069,19 +1020,20 @@ void NuPlayer::Renderer::onQueueEOS(const sp<AMessage> &msg) { entry.mOffset = 0; entry.mFinalResult = finalResult; - Mutex::Autolock autoLock(mLock); if (audio) { + Mutex::Autolock autoLock(mLock); if (mAudioQueue.empty() && mSyncQueues) { syncQueuesDone_l(); } mAudioQueue.push_back(entry); postDrainAudioQueue_l(); } else { - if (mVideoQueue.empty() && mSyncQueues) { + if (mVideoQueue.empty() && getSyncQueues()) { + Mutex::Autolock autoLock(mLock); syncQueuesDone_l(); } mVideoQueue.push_back(entry); - postDrainVideoQueue_l(); + postDrainVideoQueue(); } } @@ -1090,31 +1042,25 @@ void NuPlayer::Renderer::onFlush(const sp<AMessage> &msg) { CHECK(msg->findInt32("audio", &audio)); { - Mutex::Autolock autoLock(mFlushLock); + Mutex::Autolock autoLock(mLock); if (audio) { - mFlushingAudio = false; notifyComplete = mNotifyCompleteAudio; mNotifyCompleteAudio = false; } else { - mFlushingVideo = false; notifyComplete = mNotifyCompleteVideo; mNotifyCompleteVideo = false; } - } - // If we're currently syncing the queues, i.e. dropping audio while - // aligning the first audio/video buffer times and only one of the - // two queues has data, we may starve that queue by not requesting - // more buffers from the decoder. If the other source then encounters - // a discontinuity that leads to flushing, we'll never find the - // corresponding discontinuity on the other queue. - // Therefore we'll stop syncing the queues if at least one of them - // is flushed. - { - Mutex::Autolock autoLock(mLock); - syncQueuesDone_l(); - setPauseStartedTimeRealUs(-1); - setAnchorTime(-1, -1); + // If we're currently syncing the queues, i.e. dropping audio while + // aligning the first audio/video buffer times and only one of the + // two queues has data, we may starve that queue by not requesting + // more buffers from the decoder. If the other source then encounters + // a discontinuity that leads to flushing, we'll never find the + // corresponding discontinuity on the other queue. + // Therefore we'll stop syncing the queues if at least one of them + // is flushed. + syncQueuesDone_l(); + clearAnchorTime_l(); } ALOGV("flushing %s", audio ? "audio" : "video"); @@ -1123,11 +1069,11 @@ void NuPlayer::Renderer::onFlush(const sp<AMessage> &msg) { Mutex::Autolock autoLock(mLock); flushQueue(&mAudioQueue); - ++mAudioQueueGeneration; - prepareForMediaRenderingStart(); + ++mAudioDrainGeneration; + prepareForMediaRenderingStart_l(); if (offloadingAudio()) { - setAudioFirstAnchorTime(-1); + clearAudioFirstAnchorTime_l(); } } @@ -1142,13 +1088,14 @@ void NuPlayer::Renderer::onFlush(const sp<AMessage> &msg) { flushQueue(&mVideoQueue); mDrainVideoQueuePending = false; - ++mVideoQueueGeneration; if (mVideoScheduler != NULL) { mVideoScheduler->restart(); } - prepareForMediaRenderingStart(); + Mutex::Autolock autoLock(mLock); + ++mVideoDrainGeneration; + prepareForMediaRenderingStart_l(); } mVideoSampleReceived = false; @@ -1178,20 +1125,12 @@ void NuPlayer::Renderer::notifyFlushComplete(bool audio) { notify->post(); } -bool NuPlayer::Renderer::dropBufferWhileFlushing( +bool NuPlayer::Renderer::dropBufferIfStale( bool audio, const sp<AMessage> &msg) { - bool flushing = false; - - { - Mutex::Autolock autoLock(mFlushLock); - if (audio) { - flushing = mFlushingAudio; - } else { - flushing = mFlushingVideo; - } - } + int32_t queueGeneration; + CHECK(msg->findInt32("queueGeneration", &queueGeneration)); - if (!flushing) { + if (queueGeneration == getQueueGeneration(audio)) { return false; } @@ -1209,7 +1148,10 @@ void NuPlayer::Renderer::onAudioSinkChanged() { } CHECK(!mDrainAudioQueuePending); mNumFramesWritten = 0; - mAnchorNumFramesWritten = -1; + { + Mutex::Autolock autoLock(mLock); + mAnchorNumFramesWritten = -1; + } uint32_t written; if (mAudioSink->getFramesWritten(&written) == OK) { mNumFramesWritten = written; @@ -1219,13 +1161,13 @@ void NuPlayer::Renderer::onAudioSinkChanged() { void NuPlayer::Renderer::onDisableOffloadAudio() { Mutex::Autolock autoLock(mLock); mFlags &= ~FLAG_OFFLOAD_AUDIO; - ++mAudioQueueGeneration; + ++mAudioDrainGeneration; } void NuPlayer::Renderer::onEnableOffloadAudio() { Mutex::Autolock autoLock(mLock); mFlags |= FLAG_OFFLOAD_AUDIO; - ++mAudioQueueGeneration; + ++mAudioDrainGeneration; } void NuPlayer::Renderer::onPause() { @@ -1234,25 +1176,13 @@ void NuPlayer::Renderer::onPause() { return; } int64_t currentPositionUs; - int64_t pausePositionMediaTimeUs; - if (getCurrentPositionFromAnchor( - ¤tPositionUs, ALooper::GetNowUs()) == OK) { - pausePositionMediaTimeUs = currentPositionUs; - } else { - // Set paused position to -1 (unavailabe) if we don't have anchor time - // This could happen if client does a seekTo() immediately followed by - // pause(). Renderer will be flushed with anchor time cleared. We don't - // want to leave stale value in mPausePositionMediaTimeUs. - pausePositionMediaTimeUs = -1; - } { Mutex::Autolock autoLock(mLock); - mPausePositionMediaTimeUs = pausePositionMediaTimeUs; - ++mAudioQueueGeneration; - ++mVideoQueueGeneration; - prepareForMediaRenderingStart(); + ++mAudioDrainGeneration; + ++mVideoDrainGeneration; + prepareForMediaRenderingStart_l(); mPaused = true; - setPauseStartedTimeRealUs(ALooper::GetNowUs()); + mMediaClock->setPlaybackRate(0.0); } mDrainAudioQueuePending = false; @@ -1277,21 +1207,18 @@ void NuPlayer::Renderer::onResume() { mAudioSink->start(); } - Mutex::Autolock autoLock(mLock); - mPaused = false; - if (mPauseStartedTimeRealUs != -1) { - int64_t newAnchorRealUs = - mAnchorTimeRealUs + ALooper::GetNowUs() - mPauseStartedTimeRealUs; - setAnchorTime( - mAnchorTimeMediaUs, newAnchorRealUs, mAnchorNumFramesWritten, true /* resume */); - } + { + Mutex::Autolock autoLock(mLock); + mPaused = false; + mMediaClock->setPlaybackRate(mPlaybackRate); - if (!mAudioQueue.empty()) { - postDrainAudioQueue_l(); + if (!mAudioQueue.empty()) { + postDrainAudioQueue_l(); + } } if (!mVideoQueue.empty()) { - postDrainVideoQueue_l(); + postDrainVideoQueue(); } } @@ -1302,6 +1229,21 @@ void NuPlayer::Renderer::onSetVideoFrameRate(float fps) { mVideoScheduler->init(fps); } +int32_t NuPlayer::Renderer::getQueueGeneration(bool audio) { + Mutex::Autolock autoLock(mLock); + return (audio ? mAudioQueueGeneration : mVideoQueueGeneration); +} + +int32_t NuPlayer::Renderer::getDrainGeneration(bool audio) { + Mutex::Autolock autoLock(mLock); + return (audio ? mAudioDrainGeneration : mVideoDrainGeneration); +} + +bool NuPlayer::Renderer::getSyncQueues() { + Mutex::Autolock autoLock(mLock); + return mSyncQueues; +} + // TODO: Remove unnecessary calls to getPlayedOutAudioDurationUs() // as it acquires locks and may query the audio driver. // @@ -1309,6 +1251,7 @@ void NuPlayer::Renderer::onSetVideoFrameRate(float fps) { // accessing getTimestamp() or getPosition() every time a data buffer with // a media time is received. // +// Calculate duration of played samples if played at normal rate (i.e., 1.0). int64_t NuPlayer::Renderer::getPlayedOutAudioDurationUs(int64_t nowUs) { uint32_t numFramesPlayed; int64_t numFramesPlayedAt; @@ -1346,9 +1289,8 @@ int64_t NuPlayer::Renderer::getPlayedOutAudioDurationUs(int64_t nowUs) { //ALOGD("getPosition: %d %lld", numFramesPlayed, numFramesPlayedAt); } - // TODO: remove the (int32_t) casting below as it may overflow at 12.4 hours. //CHECK_EQ(numFramesPlayed & (1 << 31), 0); // can't be negative until 12.4 hrs, test - int64_t durationUs = (int64_t)((int32_t)numFramesPlayed * 1000LL * mAudioSink->msecsPerFrame()) + int64_t durationUs = getDurationUsIfPlayedAtSampleRate(numFramesPlayed) + nowUs - numFramesPlayedAt; if (durationUs < 0) { // Occurs when numFramesPlayed position is very small and the following: @@ -1373,7 +1315,7 @@ void NuPlayer::Renderer::onAudioOffloadTearDown(AudioOffloadTearDownReason reaso mAudioOffloadTornDown = true; int64_t currentPositionUs; - if (getCurrentPositionOnLooper(¤tPositionUs) != OK) { + if (getCurrentPosition(¤tPositionUs) != OK) { currentPositionUs = 0; } @@ -1390,8 +1332,8 @@ void NuPlayer::Renderer::onAudioOffloadTearDown(AudioOffloadTearDownReason reaso void NuPlayer::Renderer::startAudioOffloadPauseTimeout() { if (offloadingAudio()) { mWakeLock->acquire(); - sp<AMessage> msg = new AMessage(kWhatAudioOffloadPauseTimeout, id()); - msg->setInt32("generation", mAudioOffloadPauseTimeoutGeneration); + sp<AMessage> msg = new AMessage(kWhatAudioOffloadPauseTimeout, this); + msg->setInt32("drainGeneration", mAudioOffloadPauseTimeoutGeneration); msg->post(kOffloadPauseMaxUs); } } @@ -1487,6 +1429,10 @@ status_t NuPlayer::Renderer::onOpenAudioSink( &offloadInfo); if (err == OK) { + if (mPlaybackRate != 1.0) { + mAudioSink->setPlaybackRatePermille( + (int32_t)(mPlaybackRate * 1000 + 0.5f)); + } // If the playback is offloaded to h/w, we pass // the HAL some metadata information. // We don't want to do this for PCM because it @@ -1542,6 +1488,10 @@ status_t NuPlayer::Renderer::onOpenAudioSink( return err; } mCurrentPcmInfo = info; + if (mPlaybackRate != 1.0) { + mAudioSink->setPlaybackRatePermille( + (int32_t)(mPlaybackRate * 1000 + 0.5f)); + } mAudioSink->start(); } if (audioSinkChanged) { |