NS_IMETHODIMP
MediaEngineDefaultVideoSource::Notify(nsITimer* aTimer)
{
// Update the target color
if (mCr <= 16) {
if (mCb < 240) {
mCb++;
} else {
mCr++;
}
} else if (mCb >= 240) {
if (mCr < 240) {
mCr++;
} else {
mCb--;
}
} else if (mCr >= 240) {
if (mCb > 16) {
mCb--;
} else {
mCr--;
}
} else {
mCr--;
}
// Allocate a single solid color image
RefPtr<layers::PlanarYCbCrImage> ycbcr_image = mImageContainer->CreatePlanarYCbCrImage();
layers::PlanarYCbCrData data;
AllocateSolidColorFrame(data, mOpts.mWidth, mOpts.mHeight, 0x80, mCb, mCr);
#ifdef MOZ_WEBRTC
uint64_t timestamp = PR_Now();
YuvStamper::Encode(mOpts.mWidth, mOpts.mHeight, mOpts.mWidth,
data.mYChannel,
reinterpret_cast<unsigned char*>(×tamp), sizeof(timestamp),
0, 0);
#endif
bool setData = ycbcr_image->SetData(data);
MOZ_ASSERT(setData);
// SetData copies data, so we can free the frame
ReleaseFrame(data);
if (!setData) {
return NS_ERROR_FAILURE;
}
MonitorAutoLock lock(mMonitor);
// implicitly releases last image
mImage = ycbcr_image.forget();
return NS_OK;
}
nsresult
MediaEngineDefaultVideoSource::Start(SourceMediaStream* aStream, TrackID aID)
{
if (mState != kAllocated) {
return NS_ERROR_FAILURE;
}
mTimer = do_CreateInstance(NS_TIMER_CONTRACTID);
if (!mTimer) {
return NS_ERROR_FAILURE;
}
mSource = aStream;
// Allocate a single blank Image
ImageFormat format = PLANAR_YCBCR;
mImageContainer = layers::LayerManager::CreateImageContainer();
nsRefPtr<layers::Image> image = mImageContainer->CreateImage(&format, 1);
mImage = static_cast<layers::PlanarYCbCrImage*>(image.get());
layers::PlanarYCbCrImage::Data data;
// Allocate a single blank Image
mCb = 16;
mCr = 16;
AllocateSolidColorFrame(data, mOpts.mWidth, mOpts.mHeight, 0x80, mCb, mCr);
// SetData copies data, so we can free the frame
mImage->SetData(data);
ReleaseFrame(data);
// AddTrack takes ownership of segment
VideoSegment *segment = new VideoSegment();
segment->AppendFrame(image.forget(), USECS_PER_S / mOpts.mFPS,
gfxIntSize(mOpts.mWidth, mOpts.mHeight));
mSource->AddTrack(aID, VIDEO_RATE, 0, segment);
// We aren't going to add any more tracks
mSource->AdvanceKnownTracksTime(STREAM_TIME_MAX);
// Remember TrackID so we can end it later
mTrackID = aID;
// Start timer for subsequent frames
mTimer->InitWithCallback(this, 1000 / mOpts.mFPS, nsITimer::TYPE_REPEATING_SLACK);
mState = kStarted;
return NS_OK;
}
NS_IMETHODIMP
MediaEngineDefaultVideoSource::Notify(nsITimer* aTimer)
{
// Update the target color
if (mCr <= 16) {
if (mCb < 240) {
mCb++;
} else {
mCr++;
}
} else if (mCb >= 240) {
if (mCr < 240) {
mCr++;
} else {
mCb--;
}
} else if (mCr >= 240) {
if (mCb > 16) {
mCb--;
} else {
mCr--;
}
} else {
mCr--;
}
// Allocate a single solid color image
ImageFormat format = PLANAR_YCBCR;
nsRefPtr<layers::Image> image = mImageContainer->CreateImage(&format, 1);
nsRefPtr<layers::PlanarYCbCrImage> ycbcr_image =
static_cast<layers::PlanarYCbCrImage*>(image.get());
layers::PlanarYCbCrImage::Data data;
AllocateSolidColorFrame(data, mOpts.mWidth, mOpts.mHeight, 0x80, mCb, mCr);
ycbcr_image->SetData(data);
// SetData copies data, so we can free the frame
ReleaseFrame(data);
// AddTrack takes ownership of segment
VideoSegment segment;
segment.AppendFrame(ycbcr_image.forget(), USECS_PER_S / mOpts.mFPS,
gfxIntSize(mOpts.mWidth, mOpts.mHeight));
mSource->AppendToTrack(mTrackID, &segment);
return NS_OK;
}
NS_IMETHODIMP
MediaEngineDefaultVideoSource::Notify(nsITimer* aTimer)
{
// Update the target color
if (mCr <= 16) {
if (mCb < 240) {
mCb++;
} else {
mCr++;
}
} else if (mCb >= 240) {
if (mCr < 240) {
mCr++;
} else {
mCb--;
}
} else if (mCr >= 240) {
if (mCb > 16) {
mCb--;
} else {
mCr--;
}
} else {
mCr--;
}
// Allocate a single solid color image
ImageFormat format = PLANAR_YCBCR;
nsRefPtr<layers::Image> image = mImageContainer->CreateImage(&format, 1);
nsRefPtr<layers::PlanarYCbCrImage> ycbcr_image =
static_cast<layers::PlanarYCbCrImage*>(image.get());
layers::PlanarYCbCrData data;
AllocateSolidColorFrame(data, mOpts.mWidth, mOpts.mHeight, 0x80, mCb, mCr);
ycbcr_image->SetData(data);
// SetData copies data, so we can free the frame
ReleaseFrame(data);
MonitorAutoLock lock(mMonitor);
// implicitly releases last image
mImage = ycbcr_image.forget();
return NS_OK;
}
