OmxDecoder.cpp
/* -*- 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 <unistd.h>
#include <fcntl.h>
#include "base/basictypes.h"
#include <cutils/properties.h>
#include <stagefright/foundation/ADebug.h>
#include <stagefright/foundation/AMessage.h>
#include <stagefright/MediaExtractor.h>
#include <stagefright/MetaData.h>
#include <stagefright/OMXClient.h>
#include <stagefright/OMXCodec.h>
#include <OMX.h>
#if MOZ_WIDGET_GONK && ANDROID_VERSION >= 17
#include <ui/Fence.h>
#endif
#include "mozilla/layers/GrallocTextureClient.h"
#include "mozilla/layers/TextureClient.h"
#include "mozilla/Preferences.h"
#include "mozilla/Types.h"
#include "mozilla/Monitor.h"
#include "nsMimeTypes.h"
#include "MPAPI.h"
#include "mozilla/Logging.h"
#include "GonkNativeWindow.h"
#include "GonkNativeWindowClient.h"
#include "OMXCodecProxy.h"
#include "OmxDecoder.h"
#include <android/log.h>
#define OD_LOG(...) __android_log_print(ANDROID_LOG_DEBUG, "OmxDecoder", __VA_ARGS__)
#undef LOG
mozilla::LazyLogModule gOmxDecoderLog("OmxDecoder");
#define LOG(type, msg...) MOZ_LOG(gOmxDecoderLog, type, (msg))
using namespace MPAPI;
using namespace mozilla;
using namespace mozilla::gfx;
using namespace mozilla::layers;
using namespace android;
OmxDecoder::OmxDecoder(AbstractMediaDecoder *aDecoder,
mozilla::TaskQueue* aTaskQueue) :
mDecoder(aDecoder),
mDisplayWidth(0),
mDisplayHeight(0),
mVideoWidth(0),
mVideoHeight(0),
mVideoColorFormat(0),
mVideoStride(0),
mVideoSliceHeight(0),
mVideoRotation(0),
mAudioChannels(-1),
mAudioSampleRate(-1),
mDurationUs(-1),
mLastSeekTime(-1),
mVideoBuffer(nullptr),
mAudioBuffer(nullptr),
mIsVideoSeeking(false),
mAudioMetadataRead(false),
mTaskQueue(aTaskQueue),
mAudioPaused(false),
mVideoPaused(false)
{
mLooper = new ALooper;
mLooper->setName("OmxDecoder");
mReflector = new AHandlerReflector<OmxDecoder>(this);
// Register AMessage handler to ALooper.
mLooper->registerHandler(mReflector);
// Start ALooper thread.
mLooper->start();
}
OmxDecoder::~OmxDecoder()
{
MOZ_ASSERT(NS_IsMainThread());
ReleaseMediaResources();
// unregister AMessage handler from ALooper.
mLooper->unregisterHandler(mReflector->id());
// Stop ALooper thread.
mLooper->stop();
}
static sp<IOMX> sOMX = nullptr;
static sp<IOMX> GetOMX()
{
if(sOMX.get() == nullptr) {
sOMX = new OMX;
}
return sOMX;
}
bool
OmxDecoder::Init(sp<MediaExtractor>& extractor) {
sp<MetaData> meta = extractor->getMetaData();
ssize_t audioTrackIndex = -1;
ssize_t videoTrackIndex = -1;
for (size_t i = 0; i < extractor->countTracks(); ++i) {
sp<MetaData> meta = extractor->getTrackMetaData(i);
int32_t bitRate;
if (!meta->findInt32(kKeyBitRate, &bitRate))
bitRate = 0;
const char *mime;
if (!meta->findCString(kKeyMIMEType, &mime)) {
continue;
}
if (videoTrackIndex == -1 && !strncasecmp(mime, "video/", 6)) {
videoTrackIndex = i;
} else if (audioTrackIndex == -1 && !strncasecmp(mime, "audio/", 6)) {
audioTrackIndex = i;
}
}
if (videoTrackIndex == -1 && audioTrackIndex == -1) {
NS_WARNING("OMX decoder could not find video or audio tracks");
return false;
}
if (videoTrackIndex != -1 && mDecoder->GetImageContainer()) {
mVideoTrack = extractor->getTrack(videoTrackIndex);
}
if (audioTrackIndex != -1) {
mAudioTrack = extractor->getTrack(audioTrackIndex);
#ifdef MOZ_AUDIO_OFFLOAD
// mAudioTrack is be used by OMXCodec. For offloaded audio track, using same
// object gives undetermined behavior. So get a new track
mAudioOffloadTrack = extractor->getTrack(audioTrackIndex);
#endif
}
return true;
}
bool
OmxDecoder::EnsureMetadata() {
// calculate duration
int64_t totalDurationUs = 0;
int64_t durationUs = 0;
if (mVideoTrack.get() && mVideoTrack->getFormat()->findInt64(kKeyDuration, &durationUs)) {
if (durationUs > totalDurationUs)
totalDurationUs = durationUs;
}
if (mAudioTrack.get()) {
durationUs = -1;
sp<MetaData> meta = mAudioTrack->getFormat();
if ((durationUs == -1) && meta->findInt64(kKeyDuration, &durationUs)) {
if (durationUs > totalDurationUs) {
totalDurationUs = durationUs;
}
}
}
mDurationUs = totalDurationUs;
// read video metadata
if (mVideoSource.get() && !SetVideoFormat()) {
NS_WARNING("Couldn't set OMX video format");
return false;
}
// read audio metadata
if (mAudioSource.get()) {
// To reliably get the channel and sample rate data we need to read from the
// audio source until we get a INFO_FORMAT_CHANGE status
status_t err = mAudioSource->read(&mAudioBuffer);
if (err != INFO_FORMAT_CHANGED) {
if (err != OK) {
NS_WARNING("Couldn't read audio buffer from OMX decoder");
return false;
}
sp<MetaData> meta = mAudioSource->getFormat();
if (!meta->findInt32(kKeyChannelCount, &mAudioChannels) ||
!meta->findInt32(kKeySampleRate, &mAudioSampleRate)) {
NS_WARNING("Couldn't get audio metadata from OMX decoder");
return false;
}
mAudioMetadataRead = true;
}
else if (!SetAudioFormat()) {
NS_WARNING("Couldn't set audio format");
return false;
}
}
return true;
}
static bool isInEmulator()
{
char propQemu[PROPERTY_VALUE_MAX];
property_get("ro.kernel.qemu", propQemu, "");
return !strncmp(propQemu, "1", 1);
}
RefPtr<mozilla::MediaOmxCommonReader::MediaResourcePromise>
OmxDecoder::AllocateMediaResources()
{
RefPtr<MediaResourcePromise> p = mMediaResourcePromise.Ensure(__func__);
if ((mVideoTrack != nullptr) && (mVideoSource == nullptr)) {
// OMXClient::connect() always returns OK and abort's fatally if
// it can't connect.
OMXClient client;
DebugOnly<status_t> err = client.connect();
NS_ASSERTION(err == OK, "Failed to connect to OMX in mediaserver.");
sp<IOMX> omx = client.interface();
#if defined(MOZ_WIDGET_GONK) && ANDROID_VERSION >= 21
sp<IGraphicBufferProducer> producer;
sp<IGonkGraphicBufferConsumer> consumer;
GonkBufferQueue::createBufferQueue(&producer, &consumer);
mNativeWindow = new GonkNativeWindow(consumer);
#else
mNativeWindow = new GonkNativeWindow();
#endif
#if defined(MOZ_WIDGET_GONK) && ANDROID_VERSION >= 21
mNativeWindowClient = new GonkNativeWindowClient(producer);
#elif defined(MOZ_WIDGET_GONK) && ANDROID_VERSION >= 17
mNativeWindowClient = new GonkNativeWindowClient(mNativeWindow->getBufferQueue());
#else
mNativeWindowClient = new GonkNativeWindowClient(mNativeWindow);
#endif
// Experience with OMX codecs is that only the HW decoders are
// worth bothering with, at least on the platforms where this code
// is currently used, and for formats this code is currently used
// for (h.264). So if we don't get a hardware decoder, just give
// up.
#ifdef MOZ_OMX_WEBM_DECODER
int flags = 0;//fallback to omx sw decoder if there is no hw decoder
#else
int flags = kHardwareCodecsOnly;
#endif//MOZ_OMX_WEBM_DECODER
if (isInEmulator()) {
// If we are in emulator, allow to fall back to software.
flags = 0;
}
mVideoSource =
OMXCodecProxy::Create(omx,
mVideoTrack->getFormat(),
false, // decoder
mVideoTrack,
nullptr,
flags,
mNativeWindowClient);
if (mVideoSource == nullptr) {
NS_WARNING("Couldn't create OMX video source");
mMediaResourcePromise.Reject(true, __func__);
return p;
} else {
sp<OmxDecoder> self = this;
mVideoCodecRequest.Begin(mVideoSource->requestResource()
->Then(OwnerThread(), __func__,
[self] (bool) -> void {
self->mVideoCodecRequest.Complete();
self->mMediaResourcePromise.ResolveIfExists(true, __func__);
}, [self] (bool) -> void {
self->mVideoCodecRequest.Complete();
self->mMediaResourcePromise.RejectIfExists(true, __func__);
}));
}
}
if ((mAudioTrack != nullptr) && (mAudioSource == nullptr)) {
// OMXClient::connect() always returns OK and abort's fatally if
// it can't connect.
OMXClient client;
DebugOnly<status_t> err = client.connect();
NS_ASSERTION(err == OK, "Failed to connect to OMX in mediaserver.");
sp<IOMX> omx = client.interface();
const char *audioMime = nullptr;
sp<MetaData> meta = mAudioTrack->getFormat();
if (!meta->findCString(kKeyMIMEType, &audioMime)) {
mMediaResourcePromise.Reject(true, __func__);
return p;
}
if (!strcasecmp(audioMime, "audio/raw")) {
mAudioSource = mAudioTrack;
} else {
// try to load hardware codec in mediaserver process.
int flags = kHardwareCodecsOnly;
mAudioSource = OMXCodec::Create(omx,
mAudioTrack->getFormat(),
false, // decoder
mAudioTrack,
nullptr,
flags);
}
if (mAudioSource == nullptr) {
// try to load software codec in this process.
int flags = kSoftwareCodecsOnly;
mAudioSource = OMXCodec::Create(GetOMX(),
mAudioTrack->getFormat(),
false, // decoder
mAudioTrack,
nullptr,
flags);
if (mAudioSource == nullptr) {
NS_WARNING("Couldn't create OMX audio source");
mMediaResourcePromise.Reject(true, __func__);
return p;
}
}
if (mAudioSource->start() != OK) {
NS_WARNING("Couldn't start OMX audio source");
mAudioSource.clear();
mMediaResourcePromise.Reject(true, __func__);
return p;
}
}
if (!mVideoSource.get()) {
// No resource allocation wait.
mMediaResourcePromise.Resolve(true, __func__);
}
return p;
}
void
OmxDecoder::ReleaseMediaResources() {
mVideoCodecRequest.DisconnectIfExists();
mMediaResourcePromise.RejectIfExists(true, __func__);
ReleaseVideoBuffer();
ReleaseAudioBuffer();
{
Mutex::Autolock autoLock(mPendingVideoBuffersLock);
MOZ_ASSERT(mPendingRecycleTexutreClients.empty());
// Release all pending recycle TextureClients, if they are not recycled yet.
// This should not happen. See Bug 1042308.
if (!mPendingRecycleTexutreClients.empty()) {
printf_stderr("OmxDecoder::ReleaseMediaResources -- TextureClients are not recycled yet\n");
for (std::set<TextureClient*>::iterator it=mPendingRecycleTexutreClients.begin();
it!=mPendingRecycleTexutreClients.end(); it++)
{
GrallocTextureData* client = static_cast<GrallocTextureData*>((*it)->GetInternalData());
(*it)->ClearRecycleCallback();
if (client->GetMediaBuffer()) {
mPendingVideoBuffers.push(BufferItem(client->GetMediaBuffer(), (*it)->GetAndResetReleaseFenceHandle()));
}
}
mPendingRecycleTexutreClients.clear();
}
}
{
// Free all pending video buffers.
Mutex::Autolock autoLock(mSeekLock);
ReleaseAllPendingVideoBuffersLocked();
}
if (mVideoSource.get()) {
mVideoSource->stop();
mVideoSource.clear();
}
if (mAudioSource.get()) {
mAudioSource->stop();
mAudioSource.clear();
}
mNativeWindowClient.clear();
mNativeWindow.clear();
// Reset this variable to make the first seek go to the previous keyframe
// when resuming
mLastSeekTime = -1;
}
bool
OmxDecoder::SetVideoFormat() {
const char *componentName;
if (!mVideoSource->getFormat()->findInt32(kKeyWidth, &mVideoWidth) ||
!mVideoSource->getFormat()->findInt32(kKeyHeight, &mVideoHeight) ||
!mVideoSource->getFormat()->findCString(kKeyDecoderComponent, &componentName) ||
!mVideoSource->getFormat()->findInt32(kKeyColorFormat, &mVideoColorFormat) ) {
return false;
}
if (!mVideoTrack.get() || !mVideoTrack->getFormat()->findInt32(kKeyDisplayWidth, &mDisplayWidth)) {
mDisplayWidth = mVideoWidth;
NS_WARNING("display width not available, assuming width");
}
if (!mVideoTrack.get() || !mVideoTrack->getFormat()->findInt32(kKeyDisplayHeight, &mDisplayHeight)) {
mDisplayHeight = mVideoHeight;
NS_WARNING("display height not available, assuming height");
}
if (!mVideoSource->getFormat()->findInt32(kKeyStride, &mVideoStride)) {
mVideoStride = mVideoWidth;
NS_WARNING("stride not available, assuming width");
}
if (!mVideoSource->getFormat()->findInt32(kKeySliceHeight, &mVideoSliceHeight)) {
mVideoSliceHeight = mVideoHeight;
NS_WARNING("slice height not available, assuming height");
}
// Since ICS, valid video side is caluculated from kKeyCropRect.
// kKeyWidth means decoded video buffer width.
// kKeyHeight means decoded video buffer height.
// On some hardwares, decoded video buffer and valid video size are different.
int32_t crop_left, crop_top, crop_right, crop_bottom;
if (mVideoSource->getFormat()->findRect(kKeyCropRect,
&crop_left,
&crop_top,
&crop_right,
&crop_bottom)) {
mVideoWidth = crop_right - crop_left + 1;
mVideoHeight = crop_bottom - crop_top + 1;
}
if (!mVideoSource->getFormat()->findInt32(kKeyRotation, &mVideoRotation)) {
mVideoRotation = 0;
NS_WARNING("rotation not available, assuming 0");
}
LOG(LogLevel::Debug, "display width: %d display height %d width: %d height: %d component: %s format: %d stride: %d sliceHeight: %d rotation: %d",
mDisplayWidth, mDisplayHeight, mVideoWidth, mVideoHeight, componentName,
mVideoColorFormat, mVideoStride, mVideoSliceHeight, mVideoRotation);
return true;
}
bool
OmxDecoder::SetAudioFormat() {
// If the format changed, update our cached info.
if (!mAudioSource->getFormat()->findInt32(kKeyChannelCount, &mAudioChannels) ||
!mAudioSource->getFormat()->findInt32(kKeySampleRate, &mAudioSampleRate)) {
return false;
}
LOG(LogLevel::Debug, "channelCount: %d sampleRate: %d",
mAudioChannels, mAudioSampleRate);
return true;
}
void
OmxDecoder::ReleaseDecoder()
{
mDecoder = nullptr;
}
void
OmxDecoder::ReleaseVideoBuffer() {
if (mVideoBuffer) {
mVideoBuffer->release();
mVideoBuffer = nullptr;
}
}
void
OmxDecoder::ReleaseAudioBuffer() {
if (mAudioBuffer) {
mAudioBuffer->release();
mAudioBuffer = nullptr;
}
}
void
OmxDecoder::PlanarYUV420Frame(VideoFrame *aFrame, int64_t aTimeUs, void *aData, size_t aSize, bool aKeyFrame) {
void *y = aData;
void *u = static_cast<uint8_t *>(y) + mVideoStride * mVideoSliceHeight;
void *v = static_cast<uint8_t *>(u) + mVideoStride/2 * mVideoSliceHeight/2;
aFrame->Set(aTimeUs, aKeyFrame,
aData, aSize, mVideoStride, mVideoSliceHeight, mVideoRotation,
y, mVideoStride, mVideoWidth, mVideoHeight, 0, 0,
u, mVideoStride/2, mVideoWidth/2, mVideoHeight/2, 0, 0,
v, mVideoStride/2, mVideoWidth/2, mVideoHeight/2, 0, 0);
}
void
OmxDecoder::CbYCrYFrame(VideoFrame *aFrame, int64_t aTimeUs, void *aData, size_t aSize, bool aKeyFrame) {
aFrame->Set(aTimeUs, aKeyFrame,
aData, aSize, mVideoStride, mVideoSliceHeight, mVideoRotation,
aData, mVideoStride, mVideoWidth, mVideoHeight, 1, 1,
aData, mVideoStride, mVideoWidth/2, mVideoHeight/2, 0, 3,
aData, mVideoStride, mVideoWidth/2, mVideoHeight/2, 2, 3);
}
void
OmxDecoder::SemiPlanarYUV420Frame(VideoFrame *aFrame, int64_t aTimeUs, void *aData, size_t aSize, bool aKeyFrame) {
void *y = aData;
void *uv = static_cast<uint8_t *>(y) + (mVideoStride * mVideoSliceHeight);
aFrame->Set(aTimeUs, aKeyFrame,
aData, aSize, mVideoStride, mVideoSliceHeight, mVideoRotation,
y, mVideoStride, mVideoWidth, mVideoHeight, 0, 0,
uv, mVideoStride, mVideoWidth/2, mVideoHeight/2, 0, 1,
uv, mVideoStride, mVideoWidth/2, mVideoHeight/2, 1, 1);
}
void
OmxDecoder::SemiPlanarYVU420Frame(VideoFrame *aFrame, int64_t aTimeUs, void *aData, size_t aSize, bool aKeyFrame) {
SemiPlanarYUV420Frame(aFrame, aTimeUs, aData, aSize, aKeyFrame);
aFrame->Cb.mOffset = 1;
aFrame->Cr.mOffset = 0;
}
bool
OmxDecoder::ToVideoFrame(VideoFrame *aFrame, int64_t aTimeUs, void *aData, size_t aSize, bool aKeyFrame) {
const int OMX_QCOM_COLOR_FormatYVU420SemiPlanar = 0x7FA30C00;
aFrame->mGraphicBuffer = nullptr;
switch (mVideoColorFormat) {
case OMX_COLOR_FormatYUV420Planar:
PlanarYUV420Frame(aFrame, aTimeUs, aData, aSize, aKeyFrame);
break;
case OMX_COLOR_FormatCbYCrY:
CbYCrYFrame(aFrame, aTimeUs, aData, aSize, aKeyFrame);
break;
case OMX_COLOR_FormatYUV420SemiPlanar:
SemiPlanarYUV420Frame(aFrame, aTimeUs, aData, aSize, aKeyFrame);
break;
case OMX_QCOM_COLOR_FormatYVU420SemiPlanar:
SemiPlanarYVU420Frame(aFrame, aTimeUs, aData, aSize, aKeyFrame);
break;
default:
LOG(LogLevel::Debug, "Unknown video color format %08x", mVideoColorFormat);
return false;
}
return true;
}
bool
OmxDecoder::ToAudioFrame(AudioFrame *aFrame, int64_t aTimeUs, void *aData, size_t aDataOffset, size_t aSize, int32_t aAudioChannels, int32_t aAudioSampleRate)
{
aFrame->Set(aTimeUs, static_cast<char *>(aData) + aDataOffset, aSize, aAudioChannels, aAudioSampleRate);
return true;
}
bool
OmxDecoder::ReadVideo(VideoFrame *aFrame, int64_t aTimeUs,
bool aKeyframeSkip, bool aDoSeek)
{
if (!mVideoSource.get())
return false;
ReleaseVideoBuffer();
status_t err;
if (aDoSeek) {
{
Mutex::Autolock autoLock(mSeekLock);
ReleaseAllPendingVideoBuffersLocked();
mIsVideoSeeking = true;
}
MediaSource::ReadOptions options;
MediaSource::ReadOptions::SeekMode seekMode;
// If the last timestamp of decoded frame is smaller than seekTime,
// seek to next key frame. Otherwise seek to the previos one.
OD_LOG("SeekTime: %lld, mLastSeekTime:%lld", aTimeUs, mLastSeekTime);
if (mLastSeekTime == -1 || mLastSeekTime > aTimeUs) {
seekMode = MediaSource::ReadOptions::SEEK_PREVIOUS_SYNC;
} else {
seekMode = MediaSource::ReadOptions::SEEK_NEXT_SYNC;
}
mLastSeekTime = aTimeUs;
bool findNextBuffer = true;
while (findNextBuffer) {
options.setSeekTo(aTimeUs, seekMode);
findNextBuffer = false;
if (mIsVideoSeeking) {
err = mVideoSource->read(&mVideoBuffer, &options);
Mutex::Autolock autoLock(mSeekLock);
mIsVideoSeeking = false;
PostReleaseVideoBuffer(nullptr, FenceHandle());
}
else {
err = mVideoSource->read(&mVideoBuffer);
}
// If there is no next Keyframe, jump to the previous key frame.
if (err == ERROR_END_OF_STREAM && seekMode == MediaSource::ReadOptions::SEEK_NEXT_SYNC) {
seekMode = MediaSource::ReadOptions::SEEK_PREVIOUS_SYNC;
findNextBuffer = true;
{
Mutex::Autolock autoLock(mSeekLock);
mIsVideoSeeking = true;
}
continue;
} else if (err != OK) {
OD_LOG("Unexpected error when seeking to %lld", aTimeUs);
break;
}
// For some codecs, the length of first decoded frame after seek is 0.
// Need to ignore it and continue to find the next one
if (mVideoBuffer->range_length() == 0) {
PostReleaseVideoBuffer(mVideoBuffer, FenceHandle());
findNextBuffer = true;
}
}
aDoSeek = false;
} else {
err = mVideoSource->read(&mVideoBuffer);
}
aFrame->mSize = 0;
if (err == OK) {
int64_t timeUs;
int32_t unreadable;
int32_t keyFrame;
size_t length = mVideoBuffer->range_length();
if (!mVideoBuffer->meta_data()->findInt64(kKeyTime, &timeUs) ) {
NS_WARNING("OMX decoder did not return frame time");
return false;
}
if (!mVideoBuffer->meta_data()->findInt32(kKeyIsSyncFrame, &keyFrame)) {
keyFrame = 0;
}
if (!mVideoBuffer->meta_data()->findInt32(kKeyIsUnreadable, &unreadable)) {
unreadable = 0;
}
RefPtr<mozilla::layers::TextureClient> textureClient;
if ((mVideoBuffer->graphicBuffer().get())) {
textureClient = mNativeWindow->getTextureClientFromBuffer(mVideoBuffer->graphicBuffer().get());
}
if (textureClient) {
// Manually increment reference count to keep MediaBuffer alive
// during TextureClient is in use.
mVideoBuffer->add_ref();
static_cast<GrallocTextureData*>(textureClient->GetInternalData())->SetMediaBuffer(mVideoBuffer);
// Set recycle callback for TextureClient
textureClient->SetRecycleCallback(OmxDecoder::RecycleCallback, this);
{
Mutex::Autolock autoLock(mPendingVideoBuffersLock);
// Store pending recycle TextureClient.
MOZ_ASSERT(mPendingRecycleTexutreClients.find(textureClient) == mPendingRecycleTexutreClients.end());
mPendingRecycleTexutreClients.insert(textureClient);
}
aFrame->mGraphicBuffer = textureClient;
aFrame->mRotation = mVideoRotation;
aFrame->mTimeUs = timeUs;
aFrame->mKeyFrame = keyFrame;
aFrame->Y.mWidth = mVideoWidth;
aFrame->Y.mHeight = mVideoHeight;
// Release to hold video buffer in OmxDecoder more.
// MediaBuffer's ref count is changed from 2 to 1.
ReleaseVideoBuffer();
} else if (length > 0) {
char *data = static_cast<char *>(mVideoBuffer->data()) + mVideoBuffer->range_offset();
if (unreadable) {
LOG(LogLevel::Debug, "video frame is unreadable");
}
if (!ToVideoFrame(aFrame, timeUs, data, length, keyFrame)) {
return false;
}
}
// Check if this frame is valid or not. If not, skip it.
if ((aKeyframeSkip && timeUs < aTimeUs) || length == 0) {
aFrame->mShouldSkip = true;
}
}
else if (err == INFO_FORMAT_CHANGED) {
// If the format changed, update our cached info.
if (!SetVideoFormat()) {
return false;
} else {
return ReadVideo(aFrame, aTimeUs, aKeyframeSkip, aDoSeek);
}
}
else if (err == ERROR_END_OF_STREAM) {
return false;
}
else if (err == -ETIMEDOUT) {
LOG(LogLevel::Debug, "OmxDecoder::ReadVideo timed out, will retry");
return true;
}
else {
// UNKNOWN_ERROR is sometimes is used to mean "out of memory", but
// regardless, don't keep trying to decode if the decoder doesn't want to.
LOG(LogLevel::Debug, "OmxDecoder::ReadVideo failed, err=%d", err);
return false;
}
return true;
}
bool
OmxDecoder::ReadAudio(AudioFrame *aFrame, int64_t aSeekTimeUs)
{
status_t err;
if (mAudioMetadataRead && aSeekTimeUs == -1) {
// Use the data read into the buffer during metadata time
err = OK;
}
else {
ReleaseAudioBuffer();
if (aSeekTimeUs != -1) {
MediaSource::ReadOptions options;
options.setSeekTo(aSeekTimeUs);
err = mAudioSource->read(&mAudioBuffer, &options);
} else {
err = mAudioSource->read(&mAudioBuffer);
}
}
mAudioMetadataRead = false;
aSeekTimeUs = -1;
aFrame->mSize = 0;
if (err == OK && mAudioBuffer && mAudioBuffer->range_length() != 0) {
int64_t timeUs;
if (!mAudioBuffer->meta_data()->findInt64(kKeyTime, &timeUs))
return false;
return ToAudioFrame(aFrame, timeUs,
mAudioBuffer->data(),
mAudioBuffer->range_offset(),
mAudioBuffer->range_length(),
mAudioChannels, mAudioSampleRate);
}
else if (err == INFO_FORMAT_CHANGED) {
// If the format changed, update our cached info.
if (!SetAudioFormat()) {
return false;
} else {
return ReadAudio(aFrame, aSeekTimeUs);
}
}
else if (err == ERROR_END_OF_STREAM) {
if (aFrame->mSize == 0) {
return false;
}
}
else if (err == -ETIMEDOUT) {
LOG(LogLevel::Debug, "OmxDecoder::ReadAudio timed out, will retry");
return true;
}
else if (err != OK) {
LOG(LogLevel::Debug, "OmxDecoder::ReadAudio failed, err=%d", err);
return false;
}
return true;
}
nsresult
OmxDecoder::Play()
{
if (!mVideoPaused && !mAudioPaused) {
return NS_OK;
}
if (mVideoPaused && mVideoSource.get() && mVideoSource->start() != OK) {
return NS_ERROR_UNEXPECTED;
}
mVideoPaused = false;
if (mAudioPaused && mAudioSource.get() && mAudioSource->start() != OK) {
return NS_ERROR_UNEXPECTED;
}
mAudioPaused = false;
return NS_OK;
}
// AOSP didn't give implementation on OMXCodec::Pause() and not define
// OMXCodec::Start() should be called for resuming the decoding. Currently
// it is customized by a specific open source repository only.
// ToDo The one not supported OMXCodec::Pause() should return error code here,
// so OMXCodec::Start() doesn't be called again for resuming. But if someone
// implement the OMXCodec::Pause() and need a following OMXCodec::Read() with
// seek option (define in MediaSource.h) then it is still not supported here.
// We need to fix it until it is really happened.
void
OmxDecoder::Pause()
{
/* The implementation of OMXCodec::pause is flawed.
* OMXCodec::start will not restore from the paused state and result in
* buffer timeout which causes timeouts in mochitests.
* Since there is not power consumption problem in emulator, we will just
* return when running in emulator to fix timeouts in mochitests.
*/
if (isInEmulator()) {
return;
}
if (mVideoPaused || mAudioPaused) {
return;
}
if (mVideoSource.get() && mVideoSource->pause() == OK) {
mVideoPaused = true;
}
if (mAudioSource.get() && mAudioSource->pause() == OK) {
mAudioPaused = true;
}
}
// Called on ALooper thread.
void
OmxDecoder::onMessageReceived(const sp<AMessage> &msg)
{
switch (msg->what()) {
case kNotifyPostReleaseVideoBuffer:
{
Mutex::Autolock autoLock(mSeekLock);
// Free pending video buffers when OmxDecoder is not seeking video.
// If OmxDecoder is seeking video, the buffers are freed on seek exit.
if (!mIsVideoSeeking) {
ReleaseAllPendingVideoBuffersLocked();
}
break;
}
default:
TRESPASS();
break;
}
}
void
OmxDecoder::PostReleaseVideoBuffer(MediaBuffer *aBuffer, const FenceHandle& aReleaseFenceHandle)
{
{
Mutex::Autolock autoLock(mPendingVideoBuffersLock);
if (aBuffer) {
mPendingVideoBuffers.push(BufferItem(aBuffer, aReleaseFenceHandle));
}
}
sp<AMessage> notify =
new AMessage(kNotifyPostReleaseVideoBuffer, mReflector->id());
// post AMessage to OmxDecoder via ALooper.
notify->post();
}
void
OmxDecoder::ReleaseAllPendingVideoBuffersLocked()
{
Vector<BufferItem> releasingVideoBuffers;
{
Mutex::Autolock autoLock(mPendingVideoBuffersLock);
int size = mPendingVideoBuffers.size();
for (int i = 0; i < size; i++) {
releasingVideoBuffers.push(mPendingVideoBuffers[i]);
}
mPendingVideoBuffers.clear();
}
// Free all pending video buffers without holding mPendingVideoBuffersLock.
int size = releasingVideoBuffers.size();
for (int i = 0; i < size; i++) {
MediaBuffer *buffer;
buffer = releasingVideoBuffers[i].mMediaBuffer;
#if defined(MOZ_WIDGET_GONK) && ANDROID_VERSION >= 17
RefPtr<FenceHandle::FdObj> fdObj = releasingVideoBuffers.editItemAt(i).mReleaseFenceHandle.GetAndResetFdObj();
int fenceFd = fdObj->GetAndResetFd();
MOZ_ASSERT(buffer->refcount() == 1);
// This code expect MediaBuffer's ref count is 1.
// Return gralloc buffer to ANativeWindow
ANativeWindow* window = static_cast<ANativeWindow*>(mNativeWindowClient.get());
window->cancelBuffer(window,
buffer->graphicBuffer().get(),
fenceFd);
// Mark MediaBuffer as rendered.
// When gralloc buffer is directly returned to ANativeWindow,
// this mark is necesary.
sp<MetaData> metaData = buffer->meta_data();
metaData->setInt32(kKeyRendered, 1);
#endif
// Return MediaBuffer to OMXCodec.
buffer->release();
}
releasingVideoBuffers.clear();
}
void
OmxDecoder::RecycleCallbackImp(TextureClient* aClient)
{
aClient->ClearRecycleCallback();
{
Mutex::Autolock autoLock(mPendingVideoBuffersLock);
if (mPendingRecycleTexutreClients.find(aClient) == mPendingRecycleTexutreClients.end()) {
printf_stderr("OmxDecoder::RecycleCallbackImp -- TextureClient is not pending recycle\n");
return;
}
mPendingRecycleTexutreClients.erase(aClient);
GrallocTextureData* grallocData = static_cast<GrallocTextureData*>(aClient->GetInternalData());
if (grallocData->GetMediaBuffer()) {
mPendingVideoBuffers.push(BufferItem(grallocData->GetMediaBuffer(), aClient->GetAndResetReleaseFenceHandle()));
}
}
sp<AMessage> notify =
new AMessage(kNotifyPostReleaseVideoBuffer, mReflector->id());
// post AMessage to OmxDecoder via ALooper.
notify->post();
}
/* static */ void
OmxDecoder::RecycleCallback(TextureClient* aClient, void* aClosure)
{
MOZ_ASSERT(aClient && !aClient->IsDead());
OmxDecoder* decoder = static_cast<OmxDecoder*>(aClosure);
decoder->RecycleCallbackImp(aClient);
}
