already_AddRefed<gfxASurface>
BasicPlanarYCbCrImage::GetAsSurface()
{
NS_ASSERTION(NS_IsMainThread(), "Must be main thread");
if (mSurface) {
nsRefPtr<gfxASurface> result = mSurface.get();
return result.forget();
}
if (!mDecodedBuffer) {
return PlanarYCbCrImage::GetAsSurface();
}
gfxASurface::gfxImageFormat format = GetOffscreenFormat();
nsRefPtr<gfxImageSurface> imgSurface =
new gfxImageSurface(mDecodedBuffer, mSize, mStride, format);
if (!imgSurface || imgSurface->CairoStatus() != 0) {
return nullptr;
}
// Pass ownership of the buffer to the surface
imgSurface->SetData(&imageSurfaceDataKey, mDecodedBuffer.forget(), DestroyBuffer);
nsRefPtr<gfxASurface> result = imgSurface.get();
#if defined(XP_MACOSX)
nsRefPtr<gfxQuartzImageSurface> quartzSurface =
new gfxQuartzImageSurface(imgSurface);
if (quartzSurface) {
result = quartzSurface.forget();
}
#endif
mSurface = result;
return result.forget();
}
already_AddRefed<gfx::SourceSurface>
BasicPlanarYCbCrImage::GetAsSourceSurface()
{
NS_ASSERTION(NS_IsMainThread(), "Must be main thread");
if (mSourceSurface) {
RefPtr<gfx::SourceSurface> surface(mSourceSurface);
return surface.forget();
}
if (!mDecodedBuffer) {
return PlanarYCbCrImage::GetAsSourceSurface();
}
gfxImageFormat format = GetOffscreenFormat();
RefPtr<gfx::SourceSurface> surface;
{
// Create a DrawTarget so that we can own the data inside mDecodeBuffer.
// We create the target out of mDecodedBuffer, and get a snapshot from it.
// The draw target is destroyed on scope exit and the surface owns the data.
RefPtr<gfx::DrawTarget> drawTarget
= gfxPlatform::GetPlatform()->CreateDrawTargetForData(mDecodedBuffer,
mSize,
mStride,
gfx::ImageFormatToSurfaceFormat(format));
if (!drawTarget) {
return nullptr;
}
surface = drawTarget->Snapshot();
}
mRecycleBin->RecycleBuffer(mDecodedBuffer.forget(), mSize.height * mStride);
mSourceSurface = surface;
return surface.forget();
}
NS_IMETHOD Run()
{
mDecoder->AudioAvailable(mFrameBuffer.forget(), mFrameBufferLength, mTime);
return NS_OK;
}
