void
VideoTrackEncoder::NotifyQueuedTrackChanges(MediaStreamGraph* aGraph,
TrackID aID,
StreamTime aTrackOffset,
uint32_t aTrackEvents,
const MediaSegment& aQueuedMedia)
{
if (mCanceled) {
return;
}
const VideoSegment& video = static_cast<const VideoSegment&>(aQueuedMedia);
// Check and initialize parameters for codec encoder.
if (!mInitialized) {
mInitCounter++;
TRACK_LOG(LogLevel::Debug, ("Init the video encoder %d times", mInitCounter));
VideoSegment::ChunkIterator iter(const_cast<VideoSegment&>(video));
while (!iter.IsEnded()) {
VideoChunk chunk = *iter;
if (!chunk.IsNull()) {
gfx::IntSize imgsize = chunk.mFrame.GetImage()->GetSize();
gfx::IntSize intrinsicSize = chunk.mFrame.GetIntrinsicSize();
nsresult rv = Init(imgsize.width, imgsize.height,
intrinsicSize.width, intrinsicSize.height,
aGraph->GraphRate());
if (NS_FAILED(rv)) {
LOG("[VideoTrackEncoder]: Fail to initialize the encoder!");
NotifyCancel();
}
break;
}
iter.Next();
}
mNotInitDuration += aQueuedMedia.GetDuration();
if (!mInitialized &&
(mNotInitDuration / aGraph->GraphRate() > INIT_FAILED_DURATION) &&
mInitCounter > 1) {
LOG("[VideoTrackEncoder]: Initialize failed for 30s.");
NotifyEndOfStream();
return;
}
}
AppendVideoSegment(video);
// The stream has stopped and reached the end of track.
if (aTrackEvents == MediaStreamListener::TRACK_EVENT_ENDED) {
LOG("[VideoTrackEncoder]: Receive TRACK_EVENT_ENDED .");
NotifyEndOfStream();
}
}
void
VideoTrackEncoder::NotifyQueuedTrackChanges(MediaStreamGraph* aGraph,
TrackID aID,
TrackRate aTrackRate,
TrackTicks aTrackOffset,
uint32_t aTrackEvents,
const MediaSegment& aQueuedMedia)
{
if (mCanceled) {
return;
}
const VideoSegment& video = static_cast<const VideoSegment&>(aQueuedMedia);
// Check and initialize parameters for codec encoder.
if (!mInitialized) {
#ifdef PR_LOGGING
mVideoInitCounter++;
TRACK_LOG(PR_LOG_DEBUG, ("Init the video encoder %d times", mVideoInitCounter));
#endif
VideoSegment::ChunkIterator iter(const_cast<VideoSegment&>(video));
while (!iter.IsEnded()) {
VideoChunk chunk = *iter;
if (!chunk.IsNull()) {
gfx::IntSize imgsize = chunk.mFrame.GetImage()->GetSize();
gfxIntSize intrinsicSize = chunk.mFrame.GetIntrinsicSize();
nsresult rv = Init(imgsize.width, imgsize.height,
intrinsicSize.width, intrinsicSize.height,
aTrackRate);
if (NS_FAILED(rv)) {
LOG("[VideoTrackEncoder]: Fail to initialize the encoder!");
NotifyCancel();
}
break;
}
iter.Next();
}
}
AppendVideoSegment(video);
// The stream has stopped and reached the end of track.
if (aTrackEvents == MediaStreamListener::TRACK_EVENT_ENDED) {
LOG("[VideoTrackEncoder]: Receive TRACK_EVENT_ENDED .");
NotifyEndOfStream();
}
}
nsresult VP8TrackEncoder::PrepareRawFrame(VideoChunk &aChunk)
{
if (aChunk.mFrame.GetForceBlack() || aChunk.IsNull()) {
PrepareMutedFrame();
} else {
layers::Image* img = aChunk.mFrame.GetImage();
ImageFormat format = img->GetFormat();
if (format != ImageFormat::PLANAR_YCBCR) {
VP8LOG("Unsupported video format\n");
return NS_ERROR_FAILURE;
}
// Cast away constness b/c some of the accessors are non-const
layers::PlanarYCbCrImage* yuv =
const_cast<layers::PlanarYCbCrImage *>(static_cast<const layers::PlanarYCbCrImage *>(img));
// Big-time assumption here that this is all contiguous data coming
// from getUserMedia or other sources.
MOZ_ASSERT(yuv);
const layers::PlanarYCbCrImage::Data *data = yuv->GetData();
mVPXImageWrapper->planes[PLANE_Y] = data->mYChannel;
mVPXImageWrapper->planes[PLANE_U] = data->mCbChannel;
mVPXImageWrapper->planes[PLANE_V] = data->mCrChannel;
mVPXImageWrapper->stride[VPX_PLANE_Y] = data->mYStride;
mVPXImageWrapper->stride[VPX_PLANE_U] = data->mCbCrStride;
mVPXImageWrapper->stride[VPX_PLANE_V] = data->mCbCrStride;
}
return NS_OK;
}
nsresult
VideoTrackEncoder::AppendVideoSegment(const VideoSegment& aSegment)
{
ReentrantMonitorAutoEnter mon(mReentrantMonitor);
// Append all video segments from MediaStreamGraph, including null an
// non-null frames.
VideoSegment::ChunkIterator iter(const_cast<VideoSegment&>(aSegment));
while (!iter.IsEnded()) {
VideoChunk chunk = *iter;
mTotalFrameDuration += chunk.GetDuration();
mLastFrameDuration += chunk.GetDuration();
// Send only the unique video frames for encoding.
// Or if we got the same video chunks more than 1 seconds,
// force to send into encoder.
if ((mLastFrame != chunk.mFrame) ||
(mLastFrameDuration >= mTrackRate)) {
RefPtr<layers::Image> image = chunk.mFrame.GetImage();
// Because we may get chunks with a null image (due to input blocking),
// accumulate duration and give it to the next frame that arrives.
// Canonically incorrect - the duration should go to the previous frame
// - but that would require delaying until the next frame arrives.
// Best would be to do like OMXEncoder and pass an effective timestamp
// in with each frame.
if (image) {
mRawSegment.AppendFrame(image.forget(),
mLastFrameDuration,
chunk.mFrame.GetIntrinsicSize(),
PRINCIPAL_HANDLE_NONE,
chunk.mFrame.GetForceBlack());
mLastFrameDuration = 0;
}
}
mLastFrame.TakeFrom(&chunk.mFrame);
iter.Next();
}
if (mRawSegment.GetDuration() > 0) {
mReentrantMonitor.NotifyAll();
}
return NS_OK;
}
nsresult
VideoTrackEncoder::AppendVideoSegment(const VideoSegment& aSegment)
{
ReentrantMonitorAutoEnter mon(mReentrantMonitor);
// Append all video segments from MediaStreamGraph, including null an
// non-null frames.
VideoSegment::ChunkIterator iter(const_cast<VideoSegment&>(aSegment));
while (!iter.IsEnded()) {
VideoChunk chunk = *iter;
nsRefPtr<layers::Image> image = chunk.mFrame.GetImage();
mRawSegment.AppendFrame(image.forget(), chunk.GetDuration(),
chunk.mFrame.GetIntrinsicSize().ToIntSize());
iter.Next();
}
if (mRawSegment.GetDuration() > 0) {
mReentrantMonitor.NotifyAll();
}
return NS_OK;
}
nsresult
OmxVideoTrackEncoder::GetEncodedTrack(EncodedFrameContainer& aData)
{
VideoSegment segment;
{
// Move all the samples from mRawSegment to segment. We only hold the
// monitor in this block.
ReentrantMonitorAutoEnter mon(mReentrantMonitor);
// Wait if mEncoder is not initialized nor is being canceled.
while (!mCanceled && (!mInitialized ||
(mRawSegment.GetDuration() == 0 && !mEndOfStream))) {
mReentrantMonitor.Wait();
}
if (mCanceled || mEncodingComplete) {
return NS_ERROR_FAILURE;
}
segment.AppendFrom(&mRawSegment);
}
nsresult rv;
// Start queuing raw frames to the input buffers of OMXCodecWrapper.
VideoSegment::ChunkIterator iter(segment);
while (!iter.IsEnded()) {
VideoChunk chunk = *iter;
// Send only the unique video frames to OMXCodecWrapper.
if (mLastFrame != chunk.mFrame) {
uint64_t totalDurationUs = mTotalFrameDuration * USECS_PER_S / mTrackRate;
layers::Image* img = (chunk.IsNull() || chunk.mFrame.GetForceBlack()) ?
nullptr : chunk.mFrame.GetImage();
rv = mEncoder->Encode(img, mFrameWidth, mFrameHeight, totalDurationUs);
NS_ENSURE_SUCCESS(rv, rv);
}
mLastFrame.TakeFrom(&chunk.mFrame);
mTotalFrameDuration += chunk.GetDuration();
iter.Next();
}
// Send the EOS signal to OMXCodecWrapper.
if (mEndOfStream && iter.IsEnded() && !mEosSetInEncoder) {
uint64_t totalDurationUs = mTotalFrameDuration * USECS_PER_S / mTrackRate;
layers::Image* img = (!mLastFrame.GetImage() || mLastFrame.GetForceBlack())
? nullptr : mLastFrame.GetImage();
rv = mEncoder->Encode(img, mFrameWidth, mFrameHeight, totalDurationUs,
OMXCodecWrapper::BUFFER_EOS);
NS_ENSURE_SUCCESS(rv, rv);
// Keep sending EOS signal until OMXVideoEncoder gets it.
mEosSetInEncoder = true;
}
// Dequeue an encoded frame from the output buffers of OMXCodecWrapper.
nsTArray<uint8_t> buffer;
int outFlags = 0;
int64_t outTimeStampUs = 0;
rv = mEncoder->GetNextEncodedFrame(&buffer, &outTimeStampUs, &outFlags,
GET_ENCODED_VIDEO_FRAME_TIMEOUT);
NS_ENSURE_SUCCESS(rv, rv);
if (!buffer.IsEmpty()) {
nsRefPtr<EncodedFrame> videoData = new EncodedFrame();
if (outFlags & OMXCodecWrapper::BUFFER_CODEC_CONFIG) {
videoData->SetFrameType(EncodedFrame::AVC_CSD);
} else {
videoData->SetFrameType((outFlags & OMXCodecWrapper::BUFFER_SYNC_FRAME) ?
EncodedFrame::AVC_I_FRAME : EncodedFrame::AVC_P_FRAME);
}
videoData->SwapInFrameData(buffer);
videoData->SetTimeStamp(outTimeStampUs);
aData.AppendEncodedFrame(videoData);
}
if (outFlags & OMXCodecWrapper::BUFFER_EOS) {
mEncodingComplete = true;
OMX_LOG("Done encoding video.");
}
return NS_OK;
}
void
CaptureTask::SetCurrentFrames(const VideoSegment& aSegment)
{
if (mImageGrabbedOrTrackEnd) {
return;
}
// Callback for encoding complete, it calls on main thread.
class EncodeComplete : public dom::EncodeCompleteCallback
{
public:
explicit EncodeComplete(CaptureTask* aTask) : mTask(aTask) {}
nsresult ReceiveBlob(already_AddRefed<dom::Blob> aBlob) override
{
RefPtr<dom::Blob> blob(aBlob);
mTask->TaskComplete(blob.forget(), NS_OK);
mTask = nullptr;
return NS_OK;
}
protected:
RefPtr<CaptureTask> mTask;
};
VideoSegment::ConstChunkIterator iter(aSegment);
while (!iter.IsEnded()) {
VideoChunk chunk = *iter;
// Extract the first valid video frame.
VideoFrame frame;
if (!chunk.IsNull()) {
RefPtr<layers::Image> image;
if (chunk.mFrame.GetForceBlack()) {
// Create a black image.
image = VideoFrame::CreateBlackImage(chunk.mFrame.GetIntrinsicSize());
} else {
image = chunk.mFrame.GetImage();
}
MOZ_ASSERT(image);
mImageGrabbedOrTrackEnd = true;
// Encode image.
nsresult rv;
nsAutoString type(NS_LITERAL_STRING("image/jpeg"));
nsAutoString options;
rv = dom::ImageEncoder::ExtractDataFromLayersImageAsync(
type,
options,
false,
image,
new EncodeComplete(this));
if (NS_FAILED(rv)) {
PostTrackEndEvent();
}
return;
}
iter.Next();
}
}
nsresult VP8TrackEncoder::PrepareRawFrame(VideoChunk &aChunk)
{
nsRefPtr<Image> img;
if (aChunk.mFrame.GetForceBlack() || aChunk.IsNull()) {
if (!mMuteFrame) {
mMuteFrame = VideoFrame::CreateBlackImage(gfxIntSize(mFrameWidth, mFrameHeight));
MOZ_ASSERT(mMuteFrame);
}
img = mMuteFrame;
} else {
img = aChunk.mFrame.GetImage();
}
ImageFormat format = img->GetFormat();
if (format != ImageFormat::PLANAR_YCBCR) {
VP8LOG("Unsupported video format\n");
return NS_ERROR_FAILURE;
}
// Cast away constness b/c some of the accessors are non-const
PlanarYCbCrImage* yuv =
const_cast<PlanarYCbCrImage *>(static_cast<const PlanarYCbCrImage *>(img.get()));
// Big-time assumption here that this is all contiguous data coming
// from getUserMedia or other sources.
MOZ_ASSERT(yuv);
if (!yuv->IsValid()) {
NS_WARNING("PlanarYCbCrImage is not valid");
return NS_ERROR_FAILURE;
}
const PlanarYCbCrImage::Data *data = yuv->GetData();
if (isYUV420(data) && !data->mCbSkip) { // 420 planar
mVPXImageWrapper->planes[VPX_PLANE_Y] = data->mYChannel;
mVPXImageWrapper->planes[VPX_PLANE_U] = data->mCbChannel;
mVPXImageWrapper->planes[VPX_PLANE_V] = data->mCrChannel;
mVPXImageWrapper->stride[VPX_PLANE_Y] = data->mYStride;
mVPXImageWrapper->stride[VPX_PLANE_U] = data->mCbCrStride;
mVPXImageWrapper->stride[VPX_PLANE_V] = data->mCbCrStride;
} else {
uint32_t yPlaneSize = mFrameWidth * mFrameHeight;
uint32_t halfWidth = (mFrameWidth + 1) / 2;
uint32_t halfHeight = (mFrameHeight + 1) / 2;
uint32_t uvPlaneSize = halfWidth * halfHeight;
if (mI420Frame.IsEmpty()) {
mI420Frame.SetLength(yPlaneSize + uvPlaneSize * 2);
}
MOZ_ASSERT(mI420Frame.Length() >= (yPlaneSize + uvPlaneSize * 2));
uint8_t *y = mI420Frame.Elements();
uint8_t *cb = mI420Frame.Elements() + yPlaneSize;
uint8_t *cr = mI420Frame.Elements() + yPlaneSize + uvPlaneSize;
if (isYUV420(data) && data->mCbSkip) {
// If mCbSkip is set, we assume it's nv12 or nv21.
if (data->mCbChannel < data->mCrChannel) { // nv12
libyuv::NV12ToI420(data->mYChannel, data->mYStride,
data->mCbChannel, data->mCbCrStride,
y, mFrameWidth,
cb, halfWidth,
cr, halfWidth,
mFrameWidth, mFrameHeight);
} else { // nv21
libyuv::NV21ToI420(data->mYChannel, data->mYStride,
data->mCrChannel, data->mCbCrStride,
y, mFrameWidth,
cb, halfWidth,
cr, halfWidth,
mFrameWidth, mFrameHeight);
}
} else if (isYUV444(data) && !data->mCbSkip) {
libyuv::I444ToI420(data->mYChannel, data->mYStride,
data->mCbChannel, data->mCbCrStride,
data->mCrChannel, data->mCbCrStride,
y, mFrameWidth,
cb, halfWidth,
cr, halfWidth,
mFrameWidth, mFrameHeight);
} else if (isYUV422(data) && !data->mCbSkip) {
libyuv::I422ToI420(data->mYChannel, data->mYStride,
data->mCbChannel, data->mCbCrStride,
data->mCrChannel, data->mCbCrStride,
y, mFrameWidth,
cb, halfWidth,
cr, halfWidth,
mFrameWidth, mFrameHeight);
} else {
VP8LOG("Unsupported planar format\n");
return NS_ERROR_NOT_IMPLEMENTED;
}
mVPXImageWrapper->planes[VPX_PLANE_Y] = y;
mVPXImageWrapper->planes[VPX_PLANE_U] = cb;
mVPXImageWrapper->planes[VPX_PLANE_V] = cr;
mVPXImageWrapper->stride[VPX_PLANE_Y] = mFrameWidth;
mVPXImageWrapper->stride[VPX_PLANE_U] = halfWidth;
mVPXImageWrapper->stride[VPX_PLANE_V] = halfWidth;
}
return NS_OK;
}
void VideoFrameContainer::SetCurrentFrames(const VideoSegment& aSegment)
{
if (aSegment.IsEmpty()) {
return;
}
MutexAutoLock lock(mMutex);
// Collect any new frames produced in this iteration.
AutoTArray<ImageContainer::NonOwningImage,4> newImages;
PrincipalHandle lastPrincipalHandle = PRINCIPAL_HANDLE_NONE;
VideoSegment::ConstChunkIterator iter(aSegment);
while (!iter.IsEnded()) {
VideoChunk chunk = *iter;
const VideoFrame* frame = &chunk.mFrame;
if (*frame == mLastPlayedVideoFrame) {
iter.Next();
continue;
}
Image* image = frame->GetImage();
CONTAINER_LOG(LogLevel::Verbose,
("VideoFrameContainer %p writing video frame %p (%d x %d)",
this, image, frame->GetIntrinsicSize().width,
frame->GetIntrinsicSize().height));
if (frame->GetForceBlack()) {
if (!mBlackImage) {
mBlackImage = GetImageContainer()->CreatePlanarYCbCrImage();
if (mBlackImage) {
// Sets the image to a single black pixel, which will be scaled to
// fill the rendered size.
SetImageToBlackPixel(mBlackImage->AsPlanarYCbCrImage());
}
}
if (mBlackImage) {
image = mBlackImage;
}
}
// Don't append null image to the newImages.
if (!image) {
iter.Next();
continue;
}
newImages.AppendElement(ImageContainer::NonOwningImage(image, chunk.mTimeStamp));
lastPrincipalHandle = chunk.GetPrincipalHandle();
mLastPlayedVideoFrame = *frame;
iter.Next();
}
// Don't update if there are no changes.
if (newImages.IsEmpty()) {
return;
}
AutoTArray<ImageContainer::NonOwningImage,4> images;
bool principalHandleChanged =
lastPrincipalHandle != PRINCIPAL_HANDLE_NONE &&
lastPrincipalHandle != GetLastPrincipalHandleLocked();
// Add the frames from this iteration.
for (auto& image : newImages) {
image.mFrameID = NewFrameID();
images.AppendElement(image);
}
if (principalHandleChanged) {
UpdatePrincipalHandleForFrameIDLocked(lastPrincipalHandle,
newImages.LastElement().mFrameID);
}
SetCurrentFramesLocked(mLastPlayedVideoFrame.GetIntrinsicSize(), images);
nsCOMPtr<nsIRunnable> event =
new VideoFrameContainerInvalidateRunnable(this);
mMainThread->Dispatch(event.forget());
images.ClearAndRetainStorage();
}
nsresult VP8TrackEncoder::PrepareRawFrame(VideoChunk &aChunk)
{
RefPtr<Image> img;
if (aChunk.mFrame.GetForceBlack() || aChunk.IsNull()) {
if (!mMuteFrame) {
mMuteFrame = VideoFrame::CreateBlackImage(gfx::IntSize(mFrameWidth, mFrameHeight));
MOZ_ASSERT(mMuteFrame);
}
img = mMuteFrame;
} else {
img = aChunk.mFrame.GetImage();
}
if (img->GetSize() != IntSize(mFrameWidth, mFrameHeight)) {
VP8LOG("Dynamic resolution changes (was %dx%d, now %dx%d) are unsupported\n",
mFrameWidth, mFrameHeight, img->GetSize().width, img->GetSize().height);
return NS_ERROR_FAILURE;
}
ImageFormat format = img->GetFormat();
if (format == ImageFormat::PLANAR_YCBCR) {
PlanarYCbCrImage* yuv = static_cast<PlanarYCbCrImage *>(img.get());
MOZ_RELEASE_ASSERT(yuv);
if (!yuv->IsValid()) {
NS_WARNING("PlanarYCbCrImage is not valid");
return NS_ERROR_FAILURE;
}
const PlanarYCbCrImage::Data *data = yuv->GetData();
if (isYUV420(data) && !data->mCbSkip) {
// 420 planar, no need for conversions
mVPXImageWrapper->planes[VPX_PLANE_Y] = data->mYChannel;
mVPXImageWrapper->planes[VPX_PLANE_U] = data->mCbChannel;
mVPXImageWrapper->planes[VPX_PLANE_V] = data->mCrChannel;
mVPXImageWrapper->stride[VPX_PLANE_Y] = data->mYStride;
mVPXImageWrapper->stride[VPX_PLANE_U] = data->mCbCrStride;
mVPXImageWrapper->stride[VPX_PLANE_V] = data->mCbCrStride;
return NS_OK;
}
}
// Not 420 planar, have to convert
uint32_t yPlaneSize = mFrameWidth * mFrameHeight;
uint32_t halfWidth = (mFrameWidth + 1) / 2;
uint32_t halfHeight = (mFrameHeight + 1) / 2;
uint32_t uvPlaneSize = halfWidth * halfHeight;
if (mI420Frame.IsEmpty()) {
mI420Frame.SetLength(yPlaneSize + uvPlaneSize * 2);
}
uint8_t *y = mI420Frame.Elements();
uint8_t *cb = mI420Frame.Elements() + yPlaneSize;
uint8_t *cr = mI420Frame.Elements() + yPlaneSize + uvPlaneSize;
if (format == ImageFormat::PLANAR_YCBCR) {
PlanarYCbCrImage* yuv = static_cast<PlanarYCbCrImage *>(img.get());
MOZ_RELEASE_ASSERT(yuv);
if (!yuv->IsValid()) {
NS_WARNING("PlanarYCbCrImage is not valid");
return NS_ERROR_FAILURE;
}
const PlanarYCbCrImage::Data *data = yuv->GetData();
int rv;
std::string yuvFormat;
if (isYUV420(data) && data->mCbSkip) {
// If mCbSkip is set, we assume it's nv12 or nv21.
if (data->mCbChannel < data->mCrChannel) { // nv12
rv = libyuv::NV12ToI420(data->mYChannel, data->mYStride,
data->mCbChannel, data->mCbCrStride,
y, mFrameWidth,
cb, halfWidth,
cr, halfWidth,
mFrameWidth, mFrameHeight);
yuvFormat = "NV12";
} else { // nv21
rv = libyuv::NV21ToI420(data->mYChannel, data->mYStride,
data->mCrChannel, data->mCbCrStride,
y, mFrameWidth,
cb, halfWidth,
cr, halfWidth,
mFrameWidth, mFrameHeight);
yuvFormat = "NV21";
}
} else if (isYUV444(data) && !data->mCbSkip) {
rv = libyuv::I444ToI420(data->mYChannel, data->mYStride,
data->mCbChannel, data->mCbCrStride,
data->mCrChannel, data->mCbCrStride,
y, mFrameWidth,
cb, halfWidth,
cr, halfWidth,
mFrameWidth, mFrameHeight);
yuvFormat = "I444";
} else if (isYUV422(data) && !data->mCbSkip) {
rv = libyuv::I422ToI420(data->mYChannel, data->mYStride,
data->mCbChannel, data->mCbCrStride,
data->mCrChannel, data->mCbCrStride,
y, mFrameWidth,
cb, halfWidth,
cr, halfWidth,
mFrameWidth, mFrameHeight);
yuvFormat = "I422";
} else {
VP8LOG("Unsupported planar format\n");
NS_ASSERTION(false, "Unsupported planar format");
return NS_ERROR_NOT_IMPLEMENTED;
}
if (rv != 0) {
VP8LOG("Converting an %s frame to I420 failed\n", yuvFormat.c_str());
return NS_ERROR_FAILURE;
}
VP8LOG("Converted an %s frame to I420\n");
} else {
// Not YCbCr at all. Try to get access to the raw data and convert.
RefPtr<SourceSurface> surf = img->GetAsSourceSurface();
if (!surf) {
VP8LOG("Getting surface from %s image failed\n", Stringify(format).c_str());
return NS_ERROR_FAILURE;
}
RefPtr<DataSourceSurface> data = surf->GetDataSurface();
if (!data) {
VP8LOG("Getting data surface from %s image with %s (%s) surface failed\n",
Stringify(format).c_str(), Stringify(surf->GetType()).c_str(),
Stringify(surf->GetFormat()).c_str());
return NS_ERROR_FAILURE;
}
DataSourceSurface::ScopedMap map(data, DataSourceSurface::READ);
if (!map.IsMapped()) {
VP8LOG("Reading DataSourceSurface from %s image with %s (%s) surface failed\n",
Stringify(format).c_str(), Stringify(surf->GetType()).c_str(),
Stringify(surf->GetFormat()).c_str());
return NS_ERROR_FAILURE;
}
int rv;
switch (surf->GetFormat()) {
case SurfaceFormat::B8G8R8A8:
case SurfaceFormat::B8G8R8X8:
rv = libyuv::ARGBToI420(static_cast<uint8*>(map.GetData()),
map.GetStride(),
y, mFrameWidth,
cb, halfWidth,
cr, halfWidth,
mFrameWidth, mFrameHeight);
break;
case SurfaceFormat::R5G6B5_UINT16:
rv = libyuv::RGB565ToI420(static_cast<uint8*>(map.GetData()),
map.GetStride(),
y, mFrameWidth,
cb, halfWidth,
cr, halfWidth,
mFrameWidth, mFrameHeight);
break;
default:
VP8LOG("Unsupported SourceSurface format %s\n",
Stringify(surf->GetFormat()).c_str());
NS_ASSERTION(false, "Unsupported SourceSurface format");
return NS_ERROR_NOT_IMPLEMENTED;
}
if (rv != 0) {
VP8LOG("%s to I420 conversion failed\n",
Stringify(surf->GetFormat()).c_str());
return NS_ERROR_FAILURE;
}
VP8LOG("Converted a %s frame to I420\n",
Stringify(surf->GetFormat()).c_str());
}
mVPXImageWrapper->planes[VPX_PLANE_Y] = y;
mVPXImageWrapper->planes[VPX_PLANE_U] = cb;
mVPXImageWrapper->planes[VPX_PLANE_V] = cr;
mVPXImageWrapper->stride[VPX_PLANE_Y] = mFrameWidth;
mVPXImageWrapper->stride[VPX_PLANE_U] = halfWidth;
mVPXImageWrapper->stride[VPX_PLANE_V] = halfWidth;
return NS_OK;
}
