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gecko-dev/dom/media/omx/MediaCodecReader.cpp

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "MediaCodecReader.h"
#include <OMX_IVCommon.h>
#include <gui/Surface.h>
#include <ICrypto.h>
#include "GonkNativeWindow.h"
#include <stagefright/foundation/ABuffer.h>
#include <stagefright/foundation/ADebug.h>
#include <stagefright/foundation/ALooper.h>
#include <stagefright/foundation/AMessage.h>
#include <stagefright/MediaBuffer.h>
#include <stagefright/MediaCodec.h>
#include <stagefright/MediaDefs.h>
#include <stagefright/MediaExtractor.h>
#include <stagefright/MediaSource.h>
#include <stagefright/MetaData.h>
#include <stagefright/Utils.h>
#include "mozilla/TaskQueue.h"
#include "mozilla/TimeStamp.h"
#include "mozilla/layers/GrallocTextureClient.h"
#include "gfx2DGlue.h"
#include "MediaStreamSource.h"
#include "MP3FrameParser.h"
#include "nsMimeTypes.h"
#include "nsThreadUtils.h"
#include "ImageContainer.h"
#include "mozilla/SharedThreadPool.h"
#include "VideoFrameContainer.h"
#include "VideoUtils.h"
using namespace android;
using namespace mozilla::layers;
using namespace mozilla::media;
namespace mozilla {
static const int64_t sInvalidDurationUs = INT64_C(-1);
static const int64_t sInvalidTimestampUs = INT64_C(-1);
// Try not to spend more than this much time (in seconds) in a single call
// to GetCodecOutputData.
static const double sMaxAudioDecodeDurationS = 0.1;
static const double sMaxVideoDecodeDurationS = 0.1;
static CheckedUint32 sInvalidInputIndex = INT32_C(-1);
inline bool
IsValidDurationUs(int64_t aDuration)
{
return aDuration >= INT64_C(0);
}
inline bool
IsValidTimestampUs(int64_t aTimestamp)
{
return aTimestamp >= INT64_C(0);
}
MediaCodecReader::VideoResourceListener::VideoResourceListener(
MediaCodecReader* aReader)
: mReader(aReader)
{
}
MediaCodecReader::VideoResourceListener::~VideoResourceListener()
{
mReader = nullptr;
}
void
MediaCodecReader::VideoResourceListener::codecReserved()
{
if (mReader) {
mReader->VideoCodecReserved();
}
}
void
MediaCodecReader::VideoResourceListener::codecCanceled()
{
if (mReader) {
mReader->VideoCodecCanceled();
}
}
MediaCodecReader::TrackInputCopier::~TrackInputCopier()
{
}
bool
MediaCodecReader::TrackInputCopier::Copy(MediaBuffer* aSourceBuffer,
sp<ABuffer> aCodecBuffer)
{
if (aSourceBuffer == nullptr ||
aCodecBuffer == nullptr ||
aSourceBuffer->range_length() > aCodecBuffer->capacity()) {
return false;
}
aCodecBuffer->setRange(0, aSourceBuffer->range_length());
memcpy(aCodecBuffer->data(),
(uint8_t*)aSourceBuffer->data() + aSourceBuffer->range_offset(),
aSourceBuffer->range_length());
return true;
}
MediaCodecReader::Track::Track(Type type)
: mType(type)
, mSourceIsStopped(true)
, mDurationUs(INT64_C(0))
, mInputIndex(sInvalidInputIndex)
, mInputEndOfStream(false)
, mOutputEndOfStream(false)
, mSeekTimeUs(sInvalidTimestampUs)
, mFlushed(false)
, mDiscontinuity(false)
, mTaskQueue(nullptr)
, mTrackMonitor("MediaCodecReader::mTrackMonitor")
{
MOZ_ASSERT(mType != kUnknown, "Should have a valid Track::Type");
}
// Append the value of |kKeyValidSamples| to the end of each vorbis buffer.
// https://github.com/mozilla-b2g/platform_frameworks_av/blob/master/media/libstagefright/OMXCodec.cpp#L3128
// https://github.com/mozilla-b2g/platform_frameworks_av/blob/master/media/libstagefright/NuMediaExtractor.cpp#L472
bool
MediaCodecReader::VorbisInputCopier::Copy(MediaBuffer* aSourceBuffer,
sp<ABuffer> aCodecBuffer)
{
if (aSourceBuffer == nullptr ||
aCodecBuffer == nullptr ||
aSourceBuffer->range_length() + sizeof(int32_t) > aCodecBuffer->capacity()) {
return false;
}
int32_t numPageSamples = 0;
if (!aSourceBuffer->meta_data()->findInt32(kKeyValidSamples, &numPageSamples)) {
numPageSamples = -1;
}
aCodecBuffer->setRange(0, aSourceBuffer->range_length() + sizeof(int32_t));
memcpy(aCodecBuffer->data(),
(uint8_t*)aSourceBuffer->data() + aSourceBuffer->range_offset(),
aSourceBuffer->range_length());
memcpy(aCodecBuffer->data() + aSourceBuffer->range_length(),
&numPageSamples, sizeof(numPageSamples));
return true;
}
MediaCodecReader::AudioTrack::AudioTrack()
: Track(kAudio)
{
mAudioPromise.SetMonitor(&mTrackMonitor);
}
MediaCodecReader::VideoTrack::VideoTrack()
: Track(kVideo)
, mWidth(0)
, mHeight(0)
, mStride(0)
, mSliceHeight(0)
, mColorFormat(0)
, mRotation(0)
{
mVideoPromise.SetMonitor(&mTrackMonitor);
}
MediaCodecReader::CodecBufferInfo::CodecBufferInfo()
: mIndex(0)
, mOffset(0)
, mSize(0)
, mTimeUs(0)
, mFlags(0)
{
}
MediaCodecReader::SignalObject::SignalObject(const char* aName)
: mMonitor(aName)
, mSignaled(false)
{
}
MediaCodecReader::SignalObject::~SignalObject()
{
}
void
MediaCodecReader::SignalObject::Wait()
{
MonitorAutoLock al(mMonitor);
if (!mSignaled) {
mMonitor.Wait();
}
}
void
MediaCodecReader::SignalObject::Signal()
{
MonitorAutoLock al(mMonitor);
mSignaled = true;
mMonitor.Notify();
}
MediaCodecReader::ParseCachedDataRunnable::ParseCachedDataRunnable(nsRefPtr<MediaCodecReader> aReader,
const char* aBuffer,
uint32_t aLength,
int64_t aOffset,
nsRefPtr<SignalObject> aSignal)
: mReader(aReader)
, mBuffer(aBuffer)
, mLength(aLength)
, mOffset(aOffset)
, mSignal(aSignal)
{
MOZ_ASSERT(mReader, "Should have a valid MediaCodecReader.");
MOZ_ASSERT(mBuffer, "Should have a valid buffer.");
MOZ_ASSERT(mOffset >= INT64_C(0), "Should have a valid offset.");
}
NS_IMETHODIMP
MediaCodecReader::ParseCachedDataRunnable::Run()
{
NS_ASSERTION(NS_IsMainThread(), "Should be on main thread.");
if (mReader->ParseDataSegment(mBuffer, mLength, mOffset)) {
MonitorAutoLock monLock(mReader->mParserMonitor);
if (mReader->mNextParserPosition >= mOffset + mLength &&
mReader->mParsedDataLength < mOffset + mLength) {
mReader->mParsedDataLength = mOffset + mLength;
}
}
if (mSignal != nullptr) {
mSignal->Signal();
}
return NS_OK;
}
MediaCodecReader::ProcessCachedDataTask::ProcessCachedDataTask(nsRefPtr<MediaCodecReader> aReader,
int64_t aOffset)
: mReader(aReader)
, mOffset(aOffset)
{
MOZ_ASSERT(mReader, "Should have a valid MediaCodecReader.");
MOZ_ASSERT(mOffset >= INT64_C(0), "Should have a valid offset.");
}
void
MediaCodecReader::ProcessCachedDataTask::Run()
{
mReader->ProcessCachedData(mOffset, nullptr);
}
MediaCodecReader::MediaCodecReader(AbstractMediaDecoder* aDecoder)
: MediaOmxCommonReader(aDecoder)
, mExtractor(nullptr)
, mTextureClientIndexesLock("MediaCodecReader::mTextureClientIndexesLock")
, mColorConverterBufferSize(0)
, mParserMonitor("MediaCodecReader::mParserMonitor")
, mParseDataFromCache(true)
, mNextParserPosition(INT64_C(0))
, mParsedDataLength(INT64_C(0))
{
mVideoListener = new VideoResourceListener(this);
}
MediaCodecReader::~MediaCodecReader()
{
}
nsresult
MediaCodecReader::Init(MediaDecoderReader* aCloneDonor)
{
return NS_OK;
}
void
MediaCodecReader::ReleaseMediaResources()
{
// Stop the mSource because we are in the dormant state and the stop function
// will rewind the mSource to the beginning of the stream.
if (mVideoTrack.mSource != nullptr && !mVideoTrack.mSourceIsStopped) {
mVideoTrack.mSource->stop();
mVideoTrack.mSourceIsStopped = true;
}
if (mAudioTrack.mSource != nullptr && !mAudioTrack.mSourceIsStopped) {
mAudioTrack.mSource->stop();
mAudioTrack.mSourceIsStopped = true;
}
ReleaseCriticalResources();
}
nsRefPtr<ShutdownPromise>
MediaCodecReader::Shutdown()
{
MOZ_ASSERT(mAudioTrack.mAudioPromise.IsEmpty());
MOZ_ASSERT(mVideoTrack.mVideoPromise.IsEmpty());
ReleaseResources();
return MediaDecoderReader::Shutdown();
}
void
MediaCodecReader::DispatchAudioTask()
{
if (mAudioTrack.mTaskQueue) {
RefPtr<nsIRunnable> task =
NS_NewRunnableMethod(this,
&MediaCodecReader::DecodeAudioDataTask);
mAudioTrack.mTaskQueue->Dispatch(task.forget());
}
}
void
MediaCodecReader::DispatchVideoTask(int64_t aTimeThreshold)
{
if (mVideoTrack.mTaskQueue) {
RefPtr<nsIRunnable> task =
NS_NewRunnableMethodWithArg<int64_t>(this,
&MediaCodecReader::DecodeVideoFrameTask,
aTimeThreshold);
mVideoTrack.mTaskQueue->Dispatch(task.forget());
}
}
nsRefPtr<MediaDecoderReader::AudioDataPromise>
MediaCodecReader::RequestAudioData()
{
MOZ_ASSERT(OnTaskQueue());
MOZ_ASSERT(HasAudio());
MonitorAutoLock al(mAudioTrack.mTrackMonitor);
if (CheckAudioResources()) {
DispatchAudioTask();
}
MOZ_ASSERT(mAudioTrack.mAudioPromise.IsEmpty());
return mAudioTrack.mAudioPromise.Ensure(__func__);
}
nsRefPtr<MediaDecoderReader::VideoDataPromise>
MediaCodecReader::RequestVideoData(bool aSkipToNextKeyframe,
int64_t aTimeThreshold)
{
MOZ_ASSERT(OnTaskQueue());
MOZ_ASSERT(HasVideo());
int64_t threshold = sInvalidTimestampUs;
if (aSkipToNextKeyframe && IsValidTimestampUs(aTimeThreshold)) {
threshold = aTimeThreshold;
}
MonitorAutoLock al(mVideoTrack.mTrackMonitor);
if (CheckVideoResources()) {
DispatchVideoTask(threshold);
}
MOZ_ASSERT(mVideoTrack.mVideoPromise.IsEmpty());
return mVideoTrack.mVideoPromise.Ensure(__func__);
}
void
MediaCodecReader::DecodeAudioDataSync()
{
if (mAudioTrack.mCodec == nullptr || !mAudioTrack.mCodec->allocated() ||
mAudioTrack.mOutputEndOfStream) {
return;
}
// Get one audio output data from MediaCodec
CodecBufferInfo bufferInfo;
status_t status;
TimeStamp timeout = TimeStamp::Now() +
TimeDuration::FromSeconds(sMaxAudioDecodeDurationS);
while (true) {
// Try to fill more input buffers and then get one output buffer.
// FIXME: use callback from MediaCodec
FillCodecInputData(mAudioTrack);
status = GetCodecOutputData(mAudioTrack, bufferInfo, sInvalidTimestampUs,
timeout);
if (status == OK || status == ERROR_END_OF_STREAM) {
break;
} else if (status == -EAGAIN) {
if (TimeStamp::Now() > timeout) {
// Don't let this loop run for too long. Try it again later.
return;
}
continue; // Try it again now.
} else if (status == INFO_FORMAT_CHANGED) {
if (UpdateAudioInfo()) {
continue; // Try it again now.
} else {
return;
}
} else {
return;
}
}
if ((bufferInfo.mFlags & MediaCodec::BUFFER_FLAG_EOS) ||
(status == ERROR_END_OF_STREAM)) {
AudioQueue().Finish();
} else if (bufferInfo.mBuffer != nullptr && bufferInfo.mSize > 0 &&
bufferInfo.mBuffer->data() != nullptr) {
MOZ_ASSERT(mStreamSource);
// This is the approximate byte position in the stream.
int64_t pos = mStreamSource->Tell();
uint32_t frames = bufferInfo.mSize /
(mInfo.mAudio.mChannels * sizeof(AudioDataValue));
mAudioCompactor.Push(
pos,
bufferInfo.mTimeUs,
mInfo.mAudio.mRate,
frames,
mInfo.mAudio.mChannels,
AudioCompactor::NativeCopy(
bufferInfo.mBuffer->data() + bufferInfo.mOffset,
bufferInfo.mSize,
mInfo.mAudio.mChannels));
}
mAudioTrack.mCodec->releaseOutputBuffer(bufferInfo.mIndex);
}
void
MediaCodecReader::DecodeAudioDataTask()
{
MOZ_ASSERT(mAudioTrack.mTaskQueue->IsCurrentThreadIn());
MonitorAutoLock al(mAudioTrack.mTrackMonitor);
if (mAudioTrack.mAudioPromise.IsEmpty()) {
// Clear the data in queue because the promise might be canceled by
// ResetDecode().
AudioQueue().Reset();
return;
}
if (AudioQueue().GetSize() == 0 && !AudioQueue().IsFinished()) {
MonitorAutoUnlock ul(mAudioTrack.mTrackMonitor);
DecodeAudioDataSync();
}
// Since we unlock the monitor above, we should check the promise again
// because the promise might be canceled by ResetDecode().
if (mAudioTrack.mAudioPromise.IsEmpty()) {
AudioQueue().Reset();
return;
}
if (AudioQueue().GetSize() > 0) {
nsRefPtr<AudioData> a = AudioQueue().PopFront();
if (a) {
if (mAudioTrack.mDiscontinuity) {
a->mDiscontinuity = true;
mAudioTrack.mDiscontinuity = false;
}
mAudioTrack.mAudioPromise.Resolve(a, __func__);
}
} else if (AudioQueue().AtEndOfStream()) {
mAudioTrack.mAudioPromise.Reject(END_OF_STREAM, __func__);
} else if (AudioQueue().GetSize() == 0) {
DispatchAudioTask();
}
}
void
MediaCodecReader::DecodeVideoFrameTask(int64_t aTimeThreshold)
{
MOZ_ASSERT(mVideoTrack.mTaskQueue->IsCurrentThreadIn());
MonitorAutoLock al(mVideoTrack.mTrackMonitor);
if (mVideoTrack.mVideoPromise.IsEmpty()) {
// Clear the data in queue because the promise might be canceled by
// ResetDecode().
VideoQueue().Reset();
return;
}
{
MonitorAutoUnlock ul(mVideoTrack.mTrackMonitor);
DecodeVideoFrameSync(aTimeThreshold);
}
// Since we unlock the monitor above, we should check the promise again
// because the promise might be canceled by ResetDecode().
if (mVideoTrack.mVideoPromise.IsEmpty()) {
VideoQueue().Reset();
return;
}
if (VideoQueue().GetSize() > 0) {
nsRefPtr<VideoData> v = VideoQueue().PopFront();
if (v) {
if (mVideoTrack.mDiscontinuity) {
v->mDiscontinuity = true;
mVideoTrack.mDiscontinuity = false;
}
mVideoTrack.mVideoPromise.Resolve(v, __func__);
}
} else if (VideoQueue().AtEndOfStream()) {
mVideoTrack.mVideoPromise.Reject(END_OF_STREAM, __func__);
} else if (VideoQueue().GetSize() == 0) {
DispatchVideoTask(aTimeThreshold);
}
}
bool
MediaCodecReader::HasAudio()
{
return mInfo.HasAudio();
}
bool
MediaCodecReader::HasVideo()
{
return mInfo.HasVideo();
}
void
MediaCodecReader::NotifyDataArrivedInternal(uint32_t aLength,
int64_t aOffset)
{
IntervalSet<int64_t> intervals = mFilter.NotifyDataArrived(aLength, aOffset);
for (const auto& interval : intervals) {
nsRefPtr<MediaByteBuffer> bytes =
mDecoder->GetResource()->MediaReadAt(interval.mStart, interval.Length());
MonitorAutoLock monLock(mParserMonitor);
if (mNextParserPosition == mParsedDataLength &&
mNextParserPosition >= interval.mStart &&
mNextParserPosition <= interval.mEnd) {
// No pending parsing runnable currently. And available data are adjacent to
// parsed data.
int64_t shift = mNextParserPosition - interval.mStart;
const char* buffer = reinterpret_cast<const char*>(bytes->Elements()) + shift;
uint32_t length = interval.Length() - shift;
int64_t offset = mNextParserPosition;
if (length > 0) {
MonitorAutoUnlock monUnlock(mParserMonitor);
ParseDataSegment(buffer, length, offset);
}
mParseDataFromCache = false;
mParsedDataLength = offset + length;
mNextParserPosition = mParsedDataLength;
}
}
}
int64_t
MediaCodecReader::ProcessCachedData(int64_t aOffset,
nsRefPtr<SignalObject> aSignal)
{
// We read data in chunks of 32 KiB. We can reduce this
// value if media, such as sdcards, is too slow.
// Because of SD card's slowness, need to keep sReadSize to small size.
// See Bug 914870.
static const int64_t sReadSize = 32 * 1024;
MOZ_ASSERT(!NS_IsMainThread(), "Should not be on main thread.");
{
MonitorAutoLock monLock(mParserMonitor);
if (!mParseDataFromCache) {
// Skip cache processing since data can be continuously be parsed by
// ParseDataSegment() from NotifyDataArrived() directly.
return INT64_C(0);
}
}
MediaResource *resource = mDecoder->GetResource();
MOZ_ASSERT(resource);
int64_t resourceLength = resource->GetCachedDataEnd(0);
NS_ENSURE_TRUE(resourceLength >= 0, INT64_C(-1));
if (aOffset >= resourceLength) {
return INT64_C(0); // Cache is empty, nothing to do
}
int64_t bufferLength = std::min<int64_t>(resourceLength - aOffset, sReadSize);
nsAutoArrayPtr<char> buffer(new char[bufferLength]);
nsresult rv = resource->ReadFromCache(buffer.get(), aOffset, bufferLength);
NS_ENSURE_SUCCESS(rv, INT64_C(-1));
MonitorAutoLock monLock(mParserMonitor);
if (mParseDataFromCache) {
nsRefPtr<ParseCachedDataRunnable> runnable(
new ParseCachedDataRunnable(this,
buffer.forget(),
bufferLength,
aOffset,
aSignal));
rv = NS_DispatchToMainThread(runnable.get());
NS_ENSURE_SUCCESS(rv, INT64_C(-1));
mNextParserPosition = aOffset + bufferLength;
if (mNextParserPosition < resource->GetCachedDataEnd(0)) {
// We cannot read data in the main thread because it
// might block for too long. Instead we post an IO task
// to the IO thread if there is more data available.
XRE_GetIOMessageLoop()->PostTask(FROM_HERE,
new ProcessCachedDataTask(this, mNextParserPosition));
}
}
return bufferLength;
}
bool
MediaCodecReader::ParseDataSegment(const char* aBuffer,
uint32_t aLength,
int64_t aOffset)
{
NS_ASSERTION(NS_IsMainThread(), "Should be on main thread.");
int64_t duration = INT64_C(-1);
{
MonitorAutoLock monLock(mParserMonitor);
// currently only mp3 files are supported for incremental parsing
if (mMP3FrameParser == nullptr) {
return false;
}
if (!mMP3FrameParser->IsMP3()) {
return true; // NO-OP
}
mMP3FrameParser->Parse(reinterpret_cast<const uint8_t*>(aBuffer), aLength, aOffset);
duration = mMP3FrameParser->GetDuration();
}
bool durationUpdateRequired = false;
{
MonitorAutoLock al(mAudioTrack.mTrackMonitor);
if (duration > mAudioTrack.mDurationUs) {
mAudioTrack.mDurationUs = duration;
durationUpdateRequired = true;
}
}
if (durationUpdateRequired && HasVideo()) {
MonitorAutoLock al(mVideoTrack.mTrackMonitor);
durationUpdateRequired = duration > mVideoTrack.mDurationUs;
}
if (durationUpdateRequired) {
MOZ_ASSERT(mDecoder);
mDecoder->DispatchUpdateEstimatedMediaDuration(duration);
}
return true;
}
nsRefPtr<MediaDecoderReader::MetadataPromise>
MediaCodecReader::AsyncReadMetadata()
{
MOZ_ASSERT(OnTaskQueue());
if (!ReallocateExtractorResources()) {
return MediaDecoderReader::MetadataPromise::CreateAndReject(
ReadMetadataFailureReason::METADATA_ERROR, __func__);
}
bool incrementalParserNeeded =
mDecoder->GetResource()->GetContentType().EqualsASCII(AUDIO_MP3);
if (incrementalParserNeeded && !TriggerIncrementalParser()) {
return MediaDecoderReader::MetadataPromise::CreateAndReject(
ReadMetadataFailureReason::METADATA_ERROR, __func__);
}
nsRefPtr<MediaDecoderReader::MetadataPromise> p = mMetadataPromise.Ensure(__func__);
nsRefPtr<MediaCodecReader> self = this;
mMediaResourceRequest.Begin(CreateMediaCodecs()
->Then(OwnerThread(), __func__,
[self] (bool) -> void {
self->mMediaResourceRequest.Complete();
self->HandleResourceAllocated();
}, [self] (bool) -> void {
self->mMediaResourceRequest.Complete();
self->mMetadataPromise.Reject(ReadMetadataFailureReason::METADATA_ERROR, __func__);
}));
return p;
}
void
MediaCodecReader::HandleResourceAllocated()
{
// Configure video codec after the codecReserved.
if (mVideoTrack.mSource != nullptr) {
if (!ConfigureMediaCodec(mVideoTrack)) {
DestroyMediaCodec(mVideoTrack);
mMetadataPromise.Reject(ReadMetadataFailureReason::METADATA_ERROR, __func__);
return;
}
}
// TODO: start streaming
if (!UpdateDuration()) {
mMetadataPromise.Reject(ReadMetadataFailureReason::METADATA_ERROR, __func__);
return;
}
if (!UpdateAudioInfo()) {
mMetadataPromise.Reject(ReadMetadataFailureReason::METADATA_ERROR, __func__);
return;
}
if (!UpdateVideoInfo()) {
mMetadataPromise.Reject(ReadMetadataFailureReason::METADATA_ERROR, __func__);
return;
}
// Set the total duration (the max of the audio and video track).
int64_t audioDuration = INT64_C(-1);
{
MonitorAutoLock al(mAudioTrack.mTrackMonitor);
audioDuration = mAudioTrack.mDurationUs;
}
int64_t videoDuration = INT64_C(-1);
{
MonitorAutoLock al(mVideoTrack.mTrackMonitor);
videoDuration = mVideoTrack.mDurationUs;
}
int64_t duration = audioDuration > videoDuration ? audioDuration : videoDuration;
if (duration >= INT64_C(0)) {
mInfo.mMetadataDuration = Some(TimeUnit::FromMicroseconds(duration));
}
// Video track's frame sizes will not overflow. Activate the video track.
VideoFrameContainer* container = mDecoder->GetVideoFrameContainer();
if (container) {
container->ClearCurrentFrame(
gfx::IntSize(mInfo.mVideo.mDisplay.width, mInfo.mVideo.mDisplay.height));
}
nsRefPtr<MetadataHolder> metadata = new MetadataHolder();
metadata->mInfo = mInfo;
metadata->mTags = nullptr;
#ifdef MOZ_AUDIO_OFFLOAD
CheckAudioOffload();
#endif
mMetadataPromise.Resolve(metadata, __func__);
}
nsresult
MediaCodecReader::ResetDecode()
{
if (CheckAudioResources()) {
MonitorAutoLock al(mAudioTrack.mTrackMonitor);
if (!mAudioTrack.mAudioPromise.IsEmpty()) {
mAudioTrack.mAudioPromise.Reject(CANCELED, __func__);
}
FlushCodecData(mAudioTrack);
mAudioTrack.mDiscontinuity = true;
}
if (CheckVideoResources()) {
MonitorAutoLock al(mVideoTrack.mTrackMonitor);
if (!mVideoTrack.mVideoPromise.IsEmpty()) {
mVideoTrack.mVideoPromise.Reject(CANCELED, __func__);
}
FlushCodecData(mVideoTrack);
mVideoTrack.mDiscontinuity = true;
}
return MediaDecoderReader::ResetDecode();
}
void
MediaCodecReader::TextureClientRecycleCallback(TextureClient* aClient,
void* aClosure)
{
nsRefPtr<MediaCodecReader> reader = static_cast<MediaCodecReader*>(aClosure);
MOZ_ASSERT(reader, "reader should not be nullptr in TextureClientRecycleCallback()");
reader->TextureClientRecycleCallback(aClient);
}
void
MediaCodecReader::TextureClientRecycleCallback(TextureClient* aClient)
{
MOZ_ASSERT(aClient, "aClient should not be nullptr in RecycleCallback()");
MOZ_ASSERT(!aClient->IsDead());
size_t index = 0;
{
MutexAutoLock al(mTextureClientIndexesLock);
aClient->ClearRecycleCallback();
// aClient has been removed from mTextureClientIndexes by
// ReleaseAllTextureClients() on another thread.
if (!mTextureClientIndexes.Get(aClient, &index)) {
return;
}
FenceHandle handle = aClient->GetAndResetReleaseFenceHandle();
mPendingReleaseItems.AppendElement(ReleaseItem(index, handle));
mTextureClientIndexes.Remove(aClient);
}
if (mVideoTrack.mReleaseBufferTaskQueue->IsEmpty()) {
RefPtr<nsIRunnable> task =
NS_NewRunnableMethod(this,
&MediaCodecReader::WaitFenceAndReleaseOutputBuffer);
mVideoTrack.mReleaseBufferTaskQueue->Dispatch(task.forget());
}
}
void
MediaCodecReader::WaitFenceAndReleaseOutputBuffer()
{
nsTArray<ReleaseItem> releasingItems;
{
MutexAutoLock autoLock(mTextureClientIndexesLock);
releasingItems.AppendElements(mPendingReleaseItems);
mPendingReleaseItems.Clear();
}
for (size_t i = 0; i < releasingItems.Length(); i++) {
if (releasingItems[i].mReleaseFence.IsValid()) {
#if MOZ_WIDGET_GONK && ANDROID_VERSION >= 17
nsRefPtr<FenceHandle::FdObj> fdObj = releasingItems[i].mReleaseFence.GetAndResetFdObj();
sp<Fence> fence = new Fence(fdObj->GetAndResetFd());
fence->waitForever("MediaCodecReader");
#endif
}
if (mVideoTrack.mCodec != nullptr) {
mVideoTrack.mCodec->releaseOutputBuffer(releasingItems[i].mReleaseIndex);
}
}
}
void
MediaCodecReader::ReleaseAllTextureClients()
{
MutexAutoLock al(mTextureClientIndexesLock);
MOZ_ASSERT(mTextureClientIndexes.Count(), "All TextureClients should be released already");
if (mTextureClientIndexes.Count() == 0) {
return;
}
printf_stderr("All TextureClients should be released already");
for (auto iter = mTextureClientIndexes.Iter(); !iter.Done(); iter.Next()) {
TextureClient* client = iter.Key();
size_t& index = iter.Data();
client->ClearRecycleCallback();
if (mVideoTrack.mCodec != nullptr) {
mVideoTrack.mCodec->releaseOutputBuffer(index);
}
iter.Remove();
}
mTextureClientIndexes.Clear();
}
void
MediaCodecReader::DecodeVideoFrameSync(int64_t aTimeThreshold)
{
if (mVideoTrack.mCodec == nullptr || !mVideoTrack.mCodec->allocated() ||
mVideoTrack.mOutputEndOfStream) {
return;
}
// Get one video output data from MediaCodec
CodecBufferInfo bufferInfo;
status_t status;
TimeStamp timeout = TimeStamp::Now() +
TimeDuration::FromSeconds(sMaxVideoDecodeDurationS);
while (true) {
// Try to fill more input buffers and then get one output buffer.
// FIXME: use callback from MediaCodec
FillCodecInputData(mVideoTrack);
status = GetCodecOutputData(mVideoTrack, bufferInfo, aTimeThreshold,
timeout);
if (status == OK || status == ERROR_END_OF_STREAM) {
break;
} else if (status == -EAGAIN) {
if (TimeStamp::Now() > timeout) {
// Don't let this loop run for too long. Try it again later.
return;
}
continue; // Try it again now.
} else if (status == INFO_FORMAT_CHANGED) {
if (UpdateVideoInfo()) {
continue; // Try it again now.
} else {
return;
}
} else {
return;
}
}
if ((bufferInfo.mFlags & MediaCodec::BUFFER_FLAG_EOS) ||
(status == ERROR_END_OF_STREAM)) {
VideoQueue().Finish();
mVideoTrack.mCodec->releaseOutputBuffer(bufferInfo.mIndex);
return;
}
nsRefPtr<VideoData> v;
RefPtr<TextureClient> textureClient;
sp<GraphicBuffer> graphicBuffer;
if (bufferInfo.mBuffer != nullptr) {
MOZ_ASSERT(mStreamSource);
// This is the approximate byte position in the stream.
int64_t pos = mStreamSource->Tell();
if (mVideoTrack.mNativeWindow != nullptr &&
mVideoTrack.mCodec->getOutputGraphicBufferFromIndex(bufferInfo.mIndex, &graphicBuffer) == OK &&
graphicBuffer != nullptr) {
textureClient = mVideoTrack.mNativeWindow->getTextureClientFromBuffer(graphicBuffer.get());
v = VideoData::Create(mInfo.mVideo,
mDecoder->GetImageContainer(),
pos,
bufferInfo.mTimeUs,
1, // We don't know the duration.
textureClient,
bufferInfo.mFlags & MediaCodec::BUFFER_FLAG_SYNCFRAME,
-1,
mVideoTrack.mRelativePictureRect);
} else if (bufferInfo.mSize > 0 &&
bufferInfo.mBuffer->data() != nullptr) {
uint8_t* yuv420p_buffer = bufferInfo.mBuffer->data();
int32_t stride = mVideoTrack.mStride;
int32_t slice_height = mVideoTrack.mSliceHeight;
// Converts to OMX_COLOR_FormatYUV420Planar
if (mVideoTrack.mColorFormat != OMX_COLOR_FormatYUV420Planar) {
ARect crop;
crop.top = 0;
crop.bottom = mVideoTrack.mHeight;
crop.left = 0;
crop.right = mVideoTrack.mWidth;
yuv420p_buffer = GetColorConverterBuffer(mVideoTrack.mWidth,
mVideoTrack.mHeight);
if (mColorConverter.convertDecoderOutputToI420(
bufferInfo.mBuffer->data(), mVideoTrack.mWidth, mVideoTrack.mHeight,
crop, yuv420p_buffer) != OK) {
mVideoTrack.mCodec->releaseOutputBuffer(bufferInfo.mIndex);
NS_WARNING("Unable to convert color format");
return;
}
stride = mVideoTrack.mWidth;
slice_height = mVideoTrack.mHeight;
}
size_t yuv420p_y_size = stride * slice_height;
size_t yuv420p_u_size = ((stride + 1) / 2) * ((slice_height + 1) / 2);
uint8_t* yuv420p_y = yuv420p_buffer;
uint8_t* yuv420p_u = yuv420p_y + yuv420p_y_size;
uint8_t* yuv420p_v = yuv420p_u + yuv420p_u_size;
VideoData::YCbCrBuffer b;
b.mPlanes[0].mData = yuv420p_y;
b.mPlanes[0].mWidth = mVideoTrack.mWidth;
b.mPlanes[0].mHeight = mVideoTrack.mHeight;
b.mPlanes[0].mStride = stride;
b.mPlanes[0].mOffset = 0;
b.mPlanes[0].mSkip = 0;
b.mPlanes[1].mData = yuv420p_u;
b.mPlanes[1].mWidth = (mVideoTrack.mWidth + 1) / 2;
b.mPlanes[1].mHeight = (mVideoTrack.mHeight + 1) / 2;
b.mPlanes[1].mStride = (stride + 1) / 2;
b.mPlanes[1].mOffset = 0;
b.mPlanes[1].mSkip = 0;
b.mPlanes[2].mData = yuv420p_v;
b.mPlanes[2].mWidth =(mVideoTrack.mWidth + 1) / 2;
b.mPlanes[2].mHeight = (mVideoTrack.mHeight + 1) / 2;
b.mPlanes[2].mStride = (stride + 1) / 2;
b.mPlanes[2].mOffset = 0;
b.mPlanes[2].mSkip = 0;
v = VideoData::Create(mInfo.mVideo,
mDecoder->GetImageContainer(),
pos,
bufferInfo.mTimeUs,
1, // We don't know the duration.
b,
bufferInfo.mFlags & MediaCodec::BUFFER_FLAG_SYNCFRAME,
-1,
mVideoTrack.mRelativePictureRect);
}
if (v) {
// Notify mDecoder that we have decoded a video frame.
mDecoder->NotifyDecodedFrames(0, 1, 0);
VideoQueue().Push(v);
} else {
NS_WARNING("Unable to create VideoData");
}
}
if (v != nullptr && textureClient != nullptr && graphicBuffer != nullptr) {
MutexAutoLock al(mTextureClientIndexesLock);
mTextureClientIndexes.Put(textureClient.get(), bufferInfo.mIndex);
textureClient->SetRecycleCallback(MediaCodecReader::TextureClientRecycleCallback, this);
} else {
mVideoTrack.mCodec->releaseOutputBuffer(bufferInfo.mIndex);
}
}
nsRefPtr<MediaDecoderReader::SeekPromise>
MediaCodecReader::Seek(int64_t aTime, int64_t aEndTime)
{
MOZ_ASSERT(OnTaskQueue());
int64_t timestamp = sInvalidTimestampUs;
if (CheckVideoResources()) {
MonitorAutoLock al(mVideoTrack.mTrackMonitor);
mVideoTrack.mSeekTimeUs = aTime;
mVideoTrack.mInputEndOfStream = false;
mVideoTrack.mOutputEndOfStream = false;
mVideoTrack.mFlushed = false;
MediaBuffer* source_buffer = nullptr;
MediaSource::ReadOptions options;
options.setSeekTo(aTime, MediaSource::ReadOptions::SEEK_PREVIOUS_SYNC);
if (mVideoTrack.mSource->read(&source_buffer, &options) != OK ||
source_buffer == nullptr) {
return SeekPromise::CreateAndReject(NS_ERROR_FAILURE, __func__);
}
sp<MetaData> format = source_buffer->meta_data();
if (format != nullptr) {
if (format->findInt64(kKeyTime, &timestamp) &&
IsValidTimestampUs(timestamp)) {
mVideoTrack.mSeekTimeUs = timestamp;
}
format = nullptr;
}
source_buffer->release();
}
{
MonitorAutoLock al(mAudioTrack.mTrackMonitor);
mAudioTrack.mInputEndOfStream = false;
mAudioTrack.mOutputEndOfStream = false;
mAudioTrack.mFlushed = false;
if (IsValidTimestampUs(timestamp)) {
mAudioTrack.mSeekTimeUs = timestamp;
} else {
mAudioTrack.mSeekTimeUs = aTime;
}
}
return SeekPromise::CreateAndResolve(aTime, __func__);
}
bool
MediaCodecReader::IsMediaSeekable()
{
// Check the MediaExtract flag if the source is seekable.
return (mExtractor != nullptr) &&
(mExtractor->flags() & MediaExtractor::CAN_SEEK);
}
sp<MediaSource>
MediaCodecReader::GetAudioOffloadTrack()
{
return mAudioOffloadTrack.mSource;
}
bool
MediaCodecReader::ReallocateExtractorResources()
{
if (CreateLooper() &&
CreateExtractor() &&
CreateMediaSources() &&
CreateTaskQueues()) {
return true;
}
ReleaseResources();
return false;
}
void
MediaCodecReader::ReleaseCriticalResources()
{
mMediaResourceRequest.DisconnectIfExists();
mMediaResourcePromise.RejectIfExists(true, __func__);
mMetadataPromise.RejectIfExists(ReadMetadataFailureReason::METADATA_ERROR, __func__);
ResetDecode();
// Before freeing a video codec, all video buffers needed to be released
// even from graphics pipeline.
VideoFrameContainer* videoframe = mDecoder->GetVideoFrameContainer();
if (videoframe) {
videoframe->ClearCurrentFrame();
}
ReleaseAllTextureClients();
DestroyMediaCodecs();
ClearColorConverterBuffer();
}
void
MediaCodecReader::ReleaseResources()
{
ReleaseCriticalResources();
DestroyMediaSources();
DestroyExtractor();
DestroyLooper();
ShutdownTaskQueues();
}
bool
MediaCodecReader::CreateLooper()
{
if (mLooper != nullptr) {
return true;
}
// Create ALooper
sp<ALooper> looper = new ALooper;
looper->setName("MediaCodecReader::mLooper");
// Start ALooper thread.
if (looper->start() != OK) {
return false;
}
mLooper = looper;
return true;
}
void
MediaCodecReader::DestroyLooper()
{
if (mLooper == nullptr) {
return;
}
// Stop ALooper thread.
mLooper->stop();
// Clear ALooper
mLooper = nullptr;
}
bool
MediaCodecReader::CreateExtractor()
{
if (mExtractor != nullptr) {
return true;
}
//register sniffers, if they are not registered in this process.
DataSource::RegisterDefaultSniffers();
if (mExtractor == nullptr) {
sp<DataSource> dataSource = new MediaStreamSource(mDecoder->GetResource());
if (dataSource->initCheck() != OK) {
return false;
}
mStreamSource = static_cast<MediaStreamSource*>(dataSource.get());
mExtractor = MediaExtractor::Create(dataSource);
}
return mExtractor != nullptr;
}
void
MediaCodecReader::DestroyExtractor()
{
mExtractor = nullptr;
}
bool
MediaCodecReader::CreateMediaSources()
{
if (mExtractor == nullptr) {
return false;
}
mMetaData = mExtractor->getMetaData();
const ssize_t invalidTrackIndex = -1;
ssize_t audioTrackIndex = invalidTrackIndex;
ssize_t videoTrackIndex = invalidTrackIndex;
for (size_t i = 0; i < mExtractor->countTracks(); ++i) {
sp<MetaData> trackFormat = mExtractor->getTrackMetaData(i);
const char* mime;
if (!trackFormat->findCString(kKeyMIMEType, &mime)) {
continue;
}
if (audioTrackIndex == invalidTrackIndex &&
!strncasecmp(mime, "audio/", 6)) {
audioTrackIndex = i;
} else if (videoTrackIndex == invalidTrackIndex &&
!strncasecmp(mime, "video/", 6)) {
videoTrackIndex = i;
}
}
if (audioTrackIndex == invalidTrackIndex &&
videoTrackIndex == invalidTrackIndex) {
NS_WARNING("OMX decoder could not find audio or video tracks");
return false;
}
if (audioTrackIndex != invalidTrackIndex && mAudioTrack.mSource == nullptr) {
sp<MediaSource> audioSource = mExtractor->getTrack(audioTrackIndex);
if (audioSource != nullptr && audioSource->start() == OK) {
mAudioTrack.mSource = audioSource;
mAudioTrack.mSourceIsStopped = false;
}
// Get one another track instance for audio offload playback.
mAudioOffloadTrack.mSource = mExtractor->getTrack(audioTrackIndex);
}
if (videoTrackIndex != invalidTrackIndex && mVideoTrack.mSource == nullptr &&
mDecoder->GetImageContainer()) {
sp<MediaSource> videoSource = mExtractor->getTrack(videoTrackIndex);
if (videoSource != nullptr && videoSource->start() == OK) {
mVideoTrack.mSource = videoSource;
mVideoTrack.mSourceIsStopped = false;
}
}
return
(audioTrackIndex == invalidTrackIndex || mAudioTrack.mSource != nullptr) &&
(videoTrackIndex == invalidTrackIndex || mVideoTrack.mSource != nullptr);
}
void
MediaCodecReader::DestroyMediaSources()
{
mAudioTrack.mSource = nullptr;
mVideoTrack.mSource = nullptr;
#if ANDROID_VERSION >= 21
mAudioOffloadTrack.mSource = nullptr;
#endif
}
void
MediaCodecReader::ShutdownTaskQueues()
{
if (mAudioTrack.mTaskQueue) {
mAudioTrack.mTaskQueue->BeginShutdown();
mAudioTrack.mTaskQueue->AwaitShutdownAndIdle();
mAudioTrack.mTaskQueue = nullptr;
}
if (mVideoTrack.mTaskQueue) {
mVideoTrack.mTaskQueue->BeginShutdown();
mVideoTrack.mTaskQueue->AwaitShutdownAndIdle();
mVideoTrack.mTaskQueue = nullptr;
}
if (mVideoTrack.mReleaseBufferTaskQueue) {
mVideoTrack.mReleaseBufferTaskQueue->BeginShutdown();
mVideoTrack.mReleaseBufferTaskQueue->AwaitShutdownAndIdle();
mVideoTrack.mReleaseBufferTaskQueue = nullptr;
}
}
bool
MediaCodecReader::CreateTaskQueues()
{
if (mAudioTrack.mSource != nullptr && !mAudioTrack.mTaskQueue) {
mAudioTrack.mTaskQueue = CreateMediaDecodeTaskQueue();
NS_ENSURE_TRUE(mAudioTrack.mTaskQueue, false);
}
if (mVideoTrack.mSource != nullptr && !mVideoTrack.mTaskQueue) {
mVideoTrack.mTaskQueue = CreateMediaDecodeTaskQueue();
NS_ENSURE_TRUE(mVideoTrack.mTaskQueue, false);
mVideoTrack.mReleaseBufferTaskQueue = CreateMediaDecodeTaskQueue();
NS_ENSURE_TRUE(mVideoTrack.mReleaseBufferTaskQueue, false);
}
return true;
}
nsRefPtr<MediaOmxCommonReader::MediaResourcePromise>
MediaCodecReader::CreateMediaCodecs()
{
bool isWaiting = false;
nsRefPtr<MediaResourcePromise> p = mMediaResourcePromise.Ensure(__func__);
if (!CreateMediaCodec(mLooper, mAudioTrack, false, isWaiting, nullptr)) {
mMediaResourcePromise.Reject(true, __func__);
return p;
}
if (!CreateMediaCodec(mLooper, mVideoTrack, true, isWaiting, mVideoListener)) {
mMediaResourcePromise.Reject(true, __func__);
return p;
}
if (!isWaiting) {
// No MediaCodec allocation wait.
mMediaResourcePromise.Resolve(true, __func__);
}
return p;
}
bool
MediaCodecReader::CreateMediaCodec(sp<ALooper>& aLooper,
Track& aTrack,
bool aAsync,
bool& aIsWaiting,
wp<MediaCodecProxy::CodecResourceListener> aListener)
{
if (aTrack.mSource != nullptr && aTrack.mCodec == nullptr) {
sp<MetaData> sourceFormat = aTrack.mSource->getFormat();
const char* mime;
if (sourceFormat->findCString(kKeyMIMEType, &mime)) {
aTrack.mCodec = MediaCodecProxy::CreateByType(aLooper, mime, false, aListener);
}
if (aTrack.mCodec == nullptr) {
NS_WARNING("Couldn't create MediaCodecProxy");
return false;
}
if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_VORBIS)) {
aTrack.mInputCopier = new VorbisInputCopier;
} else {
aTrack.mInputCopier = new TrackInputCopier;
}
uint32_t capability = MediaCodecProxy::kEmptyCapability;
if (aTrack.mType == Track::kVideo &&
aTrack.mCodec->getCapability(&capability) == OK &&
(capability & MediaCodecProxy::kCanExposeGraphicBuffer) == MediaCodecProxy::kCanExposeGraphicBuffer) {
#if ANDROID_VERSION >= 21
android::sp<android::IGraphicBufferProducer> producer;
android::sp<android::IGonkGraphicBufferConsumer> consumer;
GonkBufferQueue::createBufferQueue(&producer, &consumer);
aTrack.mNativeWindow = new GonkNativeWindow(consumer);
aTrack.mGraphicBufferProducer = producer;
#else
aTrack.mNativeWindow = new GonkNativeWindow();
#endif
}
if (!aAsync && aTrack.mCodec->AskMediaCodecAndWait()) {
// Pending configure() and start() to codecReserved() if the creation
// should be asynchronous.
if (!aTrack.mCodec->allocated() || !ConfigureMediaCodec(aTrack)){
NS_WARNING("Couldn't create and configure MediaCodec synchronously");
DestroyMediaCodec(aTrack);
return false;
}
} else if (aAsync) {
if (aTrack.mCodec->AsyncAskMediaCodec()) {
aIsWaiting = true;
} else {
NS_WARNING("Couldn't request MediaCodec asynchronously");
DestroyMediaCodec(aTrack);
return false;
}
}
}
return true;
}
bool
MediaCodecReader::ConfigureMediaCodec(Track& aTrack)
{
if (aTrack.mSource != nullptr && aTrack.mCodec != nullptr) {
if (!aTrack.mCodec->allocated()) {
return false;
}
sp<Surface> surface;
if (aTrack.mNativeWindow != nullptr) {
#if ANDROID_VERSION >= 21
surface = new Surface(aTrack.mGraphicBufferProducer);
#else
surface = new Surface(aTrack.mNativeWindow->getBufferQueue());
#endif
}
sp<MetaData> sourceFormat = aTrack.mSource->getFormat();
sp<AMessage> codecFormat;
convertMetaDataToMessage(sourceFormat, &codecFormat);
bool allpass = true;
if (allpass && aTrack.mCodec->configure(codecFormat, surface, nullptr, 0) != OK) {
NS_WARNING("Couldn't configure MediaCodec");
allpass = false;
}
if (allpass && aTrack.mCodec->start() != OK) {
NS_WARNING("Couldn't start MediaCodec");
allpass = false;
}
if (allpass && aTrack.mCodec->getInputBuffers(&aTrack.mInputBuffers) != OK) {
NS_WARNING("Couldn't get input buffers from MediaCodec");
allpass = false;
}
if (allpass && aTrack.mCodec->getOutputBuffers(&aTrack.mOutputBuffers) != OK) {
NS_WARNING("Couldn't get output buffers from MediaCodec");
allpass = false;
}
if (!allpass) {
DestroyMediaCodec(aTrack);
return false;
}
}
return true;
}
void
MediaCodecReader::DestroyMediaCodecs()
{
DestroyMediaCodec(mAudioTrack);
DestroyMediaCodec(mVideoTrack);
}
void
MediaCodecReader::DestroyMediaCodec(Track& aTrack)
{
aTrack.mCodec = nullptr;
aTrack.mNativeWindow = nullptr;
#if ANDROID_VERSION >= 21
aTrack.mGraphicBufferProducer = nullptr;
#endif
}
bool
MediaCodecReader::TriggerIncrementalParser()
{
if (mMetaData == nullptr) {
return false;
}
int64_t duration = INT64_C(-1);
{
MonitorAutoLock monLock(mParserMonitor);
// only support incremental parsing for mp3 currently.
if (mMP3FrameParser != nullptr) {
return true;
}
mParseDataFromCache = true;
mNextParserPosition = INT64_C(0);
mParsedDataLength = INT64_C(0);
// MP3 file duration
const char* mime = nullptr;
if (mMetaData->findCString(kKeyMIMEType, &mime) &&
!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_MPEG)) {
mMP3FrameParser = new MP3FrameParser(mDecoder->GetResource()->GetLength());
{
MonitorAutoUnlock monUnlock(mParserMonitor);
// trigger parsing logic and wait for finishing parsing data in the beginning.
nsRefPtr<SignalObject> signalObject = new SignalObject("MediaCodecReader::UpdateDuration()");
if (ProcessCachedData(INT64_C(0), signalObject) > INT64_C(0)) {
signalObject->Wait();
}
}
duration = mMP3FrameParser->GetDuration();
}
}
{
MonitorAutoLock al(mAudioTrack.mTrackMonitor);
if (duration > mAudioTrack.mDurationUs) {
mAudioTrack.mDurationUs = duration;
}
}
return true;
}
bool
MediaCodecReader::UpdateDuration()
{
// read audio duration
if (mAudioTrack.mSource != nullptr) {
sp<MetaData> audioFormat = mAudioTrack.mSource->getFormat();
if (audioFormat != nullptr) {
int64_t duration = INT64_C(0);
if (audioFormat->findInt64(kKeyDuration, &duration)) {
MonitorAutoLock al(mAudioTrack.mTrackMonitor);
if (duration > mAudioTrack.mDurationUs) {
mAudioTrack.mDurationUs = duration;
}
}
}
}
// read video duration
if (mVideoTrack.mSource != nullptr) {
sp<MetaData> videoFormat = mVideoTrack.mSource->getFormat();
if (videoFormat != nullptr) {
int64_t duration = INT64_C(0);
if (videoFormat->findInt64(kKeyDuration, &duration)) {
MonitorAutoLock al(mVideoTrack.mTrackMonitor);
if (duration > mVideoTrack.mDurationUs) {
mVideoTrack.mDurationUs = duration;
}
}
}
}
return true;
}
bool
MediaCodecReader::UpdateAudioInfo()
{
if (mAudioTrack.mSource == nullptr && mAudioTrack.mCodec == nullptr) {
// No needs to update AudioInfo if no audio streams.
return true;
}
if (mAudioTrack.mSource == nullptr || mAudioTrack.mCodec == nullptr ||
!mAudioTrack.mCodec->allocated()) {
// Something wrong.
MOZ_ASSERT(mAudioTrack.mSource != nullptr, "mAudioTrack.mSource should not be nullptr");
MOZ_ASSERT(mAudioTrack.mCodec != nullptr, "mAudioTrack.mCodec should not be nullptr");
MOZ_ASSERT(mAudioTrack.mCodec->allocated(), "mAudioTrack.mCodec->allocated() should not be false");
return false;
}
// read audio metadata from MediaSource
sp<MetaData> audioSourceFormat = mAudioTrack.mSource->getFormat();
if (audioSourceFormat == nullptr) {
return false;
}
// ensure audio metadata from MediaCodec has been parsed
if (!EnsureCodecFormatParsed(mAudioTrack)){
return false;
}
// read audio metadata from MediaCodec
sp<AMessage> audioCodecFormat;
if (mAudioTrack.mCodec->getOutputFormat(&audioCodecFormat) != OK ||
audioCodecFormat == nullptr) {
return false;
}
AString codec_mime;
int32_t codec_channel_count = 0;
int32_t codec_sample_rate = 0;
if (!audioCodecFormat->findString("mime", &codec_mime) ||
!audioCodecFormat->findInt32("channel-count", &codec_channel_count) ||
!audioCodecFormat->findInt32("sample-rate", &codec_sample_rate)) {
return false;
}
// Update AudioInfo
mInfo.mAudio.mChannels = codec_channel_count;
mInfo.mAudio.mRate = codec_sample_rate;
return true;
}
bool
MediaCodecReader::UpdateVideoInfo()
{
if (mVideoTrack.mSource == nullptr && mVideoTrack.mCodec == nullptr) {
// No needs to update VideoInfo if no video streams.
return true;
}
if (mVideoTrack.mSource == nullptr || mVideoTrack.mCodec == nullptr ||
!mVideoTrack.mCodec->allocated()) {
// Something wrong.
MOZ_ASSERT(mVideoTrack.mSource != nullptr, "mVideoTrack.mSource should not be nullptr");
MOZ_ASSERT(mVideoTrack.mCodec != nullptr, "mVideoTrack.mCodec should not be nullptr");
MOZ_ASSERT(mVideoTrack.mCodec->allocated(), "mVideoTrack.mCodec->allocated() should not be false");
return false;
}
// read video metadata from MediaSource
sp<MetaData> videoSourceFormat = mVideoTrack.mSource->getFormat();
if (videoSourceFormat == nullptr) {
return false;
}
int32_t container_width = 0;
int32_t container_height = 0;
int32_t container_rotation = 0;
if (!videoSourceFormat->findInt32(kKeyWidth, &container_width) ||
!videoSourceFormat->findInt32(kKeyHeight, &container_height)) {
return false;
}
mVideoTrack.mFrameSize = nsIntSize(container_width, container_height);
if (videoSourceFormat->findInt32(kKeyRotation, &container_rotation)) {
mVideoTrack.mRotation = container_rotation;
}
// ensure video metadata from MediaCodec has been parsed
if (!EnsureCodecFormatParsed(mVideoTrack)){
return false;
}
// read video metadata from MediaCodec
sp<AMessage> videoCodecFormat;
if (mVideoTrack.mCodec->getOutputFormat(&videoCodecFormat) != OK ||
videoCodecFormat == nullptr) {
return false;
}
AString codec_mime;
int32_t codec_width = 0;
int32_t codec_height = 0;
int32_t codec_stride = 0;
int32_t codec_slice_height = 0;
int32_t codec_color_format = 0;
int32_t codec_crop_left = 0;
int32_t codec_crop_top = 0;
int32_t codec_crop_right = 0;
int32_t codec_crop_bottom = 0;
if (!videoCodecFormat->findString("mime", &codec_mime) ||
!videoCodecFormat->findInt32("width", &codec_width) ||
!videoCodecFormat->findInt32("height", &codec_height) ||
!videoCodecFormat->findInt32("stride", &codec_stride) ||
!videoCodecFormat->findInt32("slice-height", &codec_slice_height) ||
!videoCodecFormat->findInt32("color-format", &codec_color_format) ||
!videoCodecFormat->findRect("crop", &codec_crop_left, &codec_crop_top,
&codec_crop_right, &codec_crop_bottom)) {
return false;
}
mVideoTrack.mWidth = codec_width;
mVideoTrack.mHeight = codec_height;
mVideoTrack.mStride = codec_stride;
mVideoTrack.mSliceHeight = codec_slice_height;
mVideoTrack.mColorFormat = codec_color_format;
// Validate the container-reported frame and pictureRect sizes. This ensures
// that our video frame creation code doesn't overflow.
int32_t display_width = codec_crop_right - codec_crop_left + 1;
int32_t display_height = codec_crop_bottom - codec_crop_top + 1;
nsIntRect picture_rect(0, 0, mVideoTrack.mWidth, mVideoTrack.mHeight);
nsIntSize display_size(display_width, display_height);
if (!IsValidVideoRegion(mVideoTrack.mFrameSize, picture_rect, display_size)) {
return false;
}
// Relative picture size
gfx::IntRect relative_picture_rect = picture_rect;
if (mVideoTrack.mWidth != mVideoTrack.mFrameSize.width ||
mVideoTrack.mHeight != mVideoTrack.mFrameSize.height) {
// Frame size is different from what the container reports. This is legal,
// and we will preserve the ratio of the crop rectangle as it
// was reported relative to the picture size reported by the container.
relative_picture_rect.x = (picture_rect.x * mVideoTrack.mWidth) /
mVideoTrack.mFrameSize.width;
relative_picture_rect.y = (picture_rect.y * mVideoTrack.mHeight) /
mVideoTrack.mFrameSize.height;
relative_picture_rect.width = (picture_rect.width * mVideoTrack.mWidth) /
mVideoTrack.mFrameSize.width;
relative_picture_rect.height = (picture_rect.height * mVideoTrack.mHeight) /
mVideoTrack.mFrameSize.height;
}
// Update VideoInfo
mVideoTrack.mPictureRect = picture_rect;
mInfo.mVideo.mDisplay = display_size;
mVideoTrack.mRelativePictureRect = relative_picture_rect;
return true;
}
status_t
MediaCodecReader::FlushCodecData(Track& aTrack)
{
if (aTrack.mType == Track::kVideo) {
// TODO: if we do release TextureClient on a separate thread in the future,
// we will have to explicitly cleanup TextureClients which have been
// recycled through TextureClient::mRecycleCallback.
// Just NO-OP for now.
}
if (aTrack.mSource == nullptr || aTrack.mCodec == nullptr ||
!aTrack.mCodec->allocated()) {
return UNKNOWN_ERROR;
}
status_t status = aTrack.mCodec->flush();
aTrack.mFlushed = (status == OK);
if (aTrack.mFlushed) {
aTrack.mInputIndex = sInvalidInputIndex;
}
return status;
}
// Keep filling data if there are available buffers.
// FIXME: change to non-blocking read
status_t
MediaCodecReader::FillCodecInputData(Track& aTrack)
{
if (aTrack.mSource == nullptr || aTrack.mCodec == nullptr ||
!aTrack.mCodec->allocated()) {
return UNKNOWN_ERROR;
}
if (aTrack.mInputEndOfStream) {
return ERROR_END_OF_STREAM;
}
if (IsValidTimestampUs(aTrack.mSeekTimeUs) && !aTrack.mFlushed) {
FlushCodecData(aTrack);
}
size_t index = 0;
while (aTrack.mInputIndex.isValid() ||
aTrack.mCodec->dequeueInputBuffer(&index) == OK) {
if (!aTrack.mInputIndex.isValid()) {
aTrack.mInputIndex = index;
}
MOZ_ASSERT(aTrack.mInputIndex.isValid(), "aElement.mInputIndex should be valid");
// Start the mSource before we read it.
if (aTrack.mSourceIsStopped) {
if (aTrack.mSource->start() == OK) {
aTrack.mSourceIsStopped = false;
} else {
return UNKNOWN_ERROR;
}
}
MediaBuffer* source_buffer = nullptr;
status_t status = OK;
if (IsValidTimestampUs(aTrack.mSeekTimeUs)) {
MediaSource::ReadOptions options;
options.setSeekTo(aTrack.mSeekTimeUs);
status = aTrack.mSource->read(&source_buffer, &options);
} else {
status = aTrack.mSource->read(&source_buffer);
}
// read() fails
if (status == INFO_FORMAT_CHANGED) {
return INFO_FORMAT_CHANGED;
} else if (status == ERROR_END_OF_STREAM) {
aTrack.mInputEndOfStream = true;
aTrack.mCodec->queueInputBuffer(aTrack.mInputIndex.value(),
0, 0, 0,
MediaCodec::BUFFER_FLAG_EOS);
return ERROR_END_OF_STREAM;
} else if (status == -ETIMEDOUT) {
return OK; // try it later
} else if (status != OK) {
return status;
} else if (source_buffer == nullptr) {
return UNKNOWN_ERROR;
}
// read() successes
aTrack.mInputEndOfStream = false;
aTrack.mSeekTimeUs = sInvalidTimestampUs;
sp<ABuffer> input_buffer = nullptr;
if (aTrack.mInputIndex.value() < aTrack.mInputBuffers.size()) {
input_buffer = aTrack.mInputBuffers[aTrack.mInputIndex.value()];
}
if (input_buffer != nullptr &&
aTrack.mInputCopier != nullptr &&
aTrack.mInputCopier->Copy(source_buffer, input_buffer)) {
int64_t timestamp = sInvalidTimestampUs;
sp<MetaData> codec_format = source_buffer->meta_data();
if (codec_format != nullptr) {
codec_format->findInt64(kKeyTime, &timestamp);
}
status = aTrack.mCodec->queueInputBuffer(
aTrack.mInputIndex.value(), input_buffer->offset(),
input_buffer->size(), timestamp, 0);
if (status == OK) {
aTrack.mInputIndex = sInvalidInputIndex;
}
}
source_buffer->release();
if (status != OK) {
return status;
}
}
return OK;
}
status_t
MediaCodecReader::GetCodecOutputData(Track& aTrack,
CodecBufferInfo& aBuffer,
int64_t aThreshold,
const TimeStamp& aTimeout)
{
// Read next frame.
CodecBufferInfo info;
status_t status = OK;
while (status == OK || status == INFO_OUTPUT_BUFFERS_CHANGED ||
status == -EAGAIN) {
int64_t duration = (int64_t)(aTimeout - TimeStamp::Now()).ToMicroseconds();
if (!IsValidDurationUs(duration)) {
return -EAGAIN;
}
status = aTrack.mCodec->dequeueOutputBuffer(&info.mIndex, &info.mOffset,
&info.mSize, &info.mTimeUs, &info.mFlags, duration);
// Check EOS first.
if (status == ERROR_END_OF_STREAM ||
(info.mFlags & MediaCodec::BUFFER_FLAG_EOS)) {
aBuffer = info;
aBuffer.mBuffer = aTrack.mOutputBuffers[info.mIndex];
aTrack.mOutputEndOfStream = true;
return ERROR_END_OF_STREAM;
}
if (status == OK) {
// Notify mDecoder that we have parsed a video frame.
if (aTrack.mType == Track::kVideo) {
mDecoder->NotifyDecodedFrames(1, 0, 0);
}
if (!IsValidTimestampUs(aThreshold) || info.mTimeUs >= aThreshold) {
// Get a valid output buffer.
break;
} else {
aTrack.mCodec->releaseOutputBuffer(info.mIndex);
}
} else if (status == INFO_OUTPUT_BUFFERS_CHANGED) {
// Update output buffers of MediaCodec.
if (aTrack.mCodec->getOutputBuffers(&aTrack.mOutputBuffers) != OK) {
NS_WARNING("Couldn't get output buffers from MediaCodec");
return UNKNOWN_ERROR;
}
}
if (TimeStamp::Now() > aTimeout) {
// Don't let this loop run for too long. Try it again later.
return -EAGAIN;
}
}
if (status != OK) {
// Something wrong.
return status;
}
if (info.mIndex >= aTrack.mOutputBuffers.size()) {
NS_WARNING("Couldn't get proper index of output buffers from MediaCodec");
aTrack.mCodec->releaseOutputBuffer(info.mIndex);
return UNKNOWN_ERROR;
}
aBuffer = info;
aBuffer.mBuffer = aTrack.mOutputBuffers[info.mIndex];
return OK;
}
bool
MediaCodecReader::EnsureCodecFormatParsed(Track& aTrack)
{
if (aTrack.mSource == nullptr || aTrack.mCodec == nullptr ||
!aTrack.mCodec->allocated()) {
return false;
}
sp<AMessage> format;
if (aTrack.mCodec->getOutputFormat(&format) == OK) {
return true;
}
status_t status = OK;
size_t index = 0;
size_t offset = 0;
size_t size = 0;
int64_t timeUs = INT64_C(0);
uint32_t flags = 0;
FillCodecInputData(aTrack);
while ((status = aTrack.mCodec->dequeueOutputBuffer(&index, &offset, &size,
&timeUs, &flags)) != INFO_FORMAT_CHANGED) {
if (status == OK) {
aTrack.mCodec->releaseOutputBuffer(index);
} else if (status == INFO_OUTPUT_BUFFERS_CHANGED) {
// Update output buffers of MediaCodec.
if (aTrack.mCodec->getOutputBuffers(&aTrack.mOutputBuffers) != OK) {
NS_WARNING("Couldn't get output buffers from MediaCodec");
return false;
}
} else if (status != -EAGAIN) {
return false; // something wrong!!!
}
FillCodecInputData(aTrack);
}
aTrack.mCodec->releaseOutputBuffer(index);
return aTrack.mCodec->getOutputFormat(&format) == OK;
}
uint8_t*
MediaCodecReader::GetColorConverterBuffer(int32_t aWidth, int32_t aHeight)
{
// Allocate a temporary YUV420Planer buffer.
size_t yuv420p_y_size = aWidth * aHeight;
size_t yuv420p_u_size = ((aWidth + 1) / 2) * ((aHeight + 1) / 2);
size_t yuv420p_v_size = yuv420p_u_size;
size_t yuv420p_size = yuv420p_y_size + yuv420p_u_size + yuv420p_v_size;
if (mColorConverterBufferSize != yuv420p_size) {
mColorConverterBuffer = nullptr; // release the previous buffer first
mColorConverterBuffer = new uint8_t[yuv420p_size];
mColorConverterBufferSize = yuv420p_size;
}
return mColorConverterBuffer.get();
}
void
MediaCodecReader::ClearColorConverterBuffer()
{
mColorConverterBuffer = nullptr;
mColorConverterBufferSize = 0;
}
// Called on Binder thread.
void
MediaCodecReader::VideoCodecReserved()
{
mMediaResourcePromise.ResolveIfExists(true, __func__);
}
// Called on Binder thread.
void
MediaCodecReader::VideoCodecCanceled()
{
mMediaResourcePromise.RejectIfExists(true, __func__);
}
} // namespace mozilla
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