SharedImage* ImageContainerChild::AsSharedImage(Image* aImage)
{
#ifdef MOZ_WIDGET_GONK
if (aImage->GetFormat() == GONK_IO_SURFACE) {
GonkIOSurfaceImage* gonkImage = static_cast<GonkIOSurfaceImage*>(aImage);
SharedImage* result = new SharedImage(gonkImage->GetSurfaceDescriptor());
return result;
} else if (aImage->GetFormat() == GRALLOC_PLANAR_YCBCR) {
GrallocPlanarYCbCrImage* GrallocImage = static_cast<GrallocPlanarYCbCrImage*>(aImage);
SharedImage* result = new SharedImage(GrallocImage->GetSurfaceDescriptor());
return result;
}
#endif
return nullptr; // XXX: bug 773440
}
SharedImage* ImageContainerChild::CreateSharedImageFromData(Image* image)
{
NS_ABORT_IF_FALSE(InImageBridgeChildThread(),
"Should be in ImageBridgeChild thread.");
if (!image) {
return nullptr;
}
if (image->GetFormat() == PLANAR_YCBCR ) {
PlanarYCbCrImage *planarYCbCrImage = static_cast<PlanarYCbCrImage*>(image);
const PlanarYCbCrImage::Data *data = planarYCbCrImage->GetData();
NS_ASSERTION(data, "Must be able to retrieve yuv data from image!");
if (!data) {
return nullptr;
}
SharedMemory::SharedMemoryType shmType = OptimalShmemType();
size_t size = ShmemYCbCrImage::ComputeMinBufferSize(data->mYSize,
data->mCbCrSize);
Shmem shmem;
if (!AllocUnsafeShmem(size, shmType, &shmem)) {
return nullptr;
}
ShmemYCbCrImage::InitializeBufferInfo(shmem.get<uint8_t>(),
data->mYSize,
data->mCbCrSize);
ShmemYCbCrImage shmemImage(shmem);
if (!shmemImage.IsValid() || shmem.Size<uint8_t>() < size) {
DeallocShmem(shmem);
return nullptr;
}
for (int i = 0; i < data->mYSize.height; i++) {
memcpy(shmemImage.GetYData() + i * shmemImage.GetYStride(),
data->mYChannel + i * data->mYStride,
data->mYSize.width);
}
for (int i = 0; i < data->mCbCrSize.height; i++) {
memcpy(shmemImage.GetCbData() + i * shmemImage.GetCbCrStride(),
data->mCbChannel + i * data->mCbCrStride,
data->mCbCrSize.width);
memcpy(shmemImage.GetCrData() + i * shmemImage.GetCbCrStride(),
data->mCrChannel + i * data->mCbCrStride,
data->mCbCrSize.width);
}
++mActiveImageCount;
SharedImage* result = new SharedImage(YCbCrImage(shmem, 0, data->GetPictureRect()));
return result;
#ifdef MOZ_WIDGET_GONK
} else if (image->GetFormat() == GONK_IO_SURFACE) {
GonkIOSurfaceImage* gonkImage = static_cast<GonkIOSurfaceImage*>(image);
SharedImage* result = new SharedImage(gonkImage->GetSurfaceDescriptor());
return result;
} else if (image->GetFormat() == GRALLOC_PLANAR_YCBCR) {
GrallocPlanarYCbCrImage* GrallocImage = static_cast<GrallocPlanarYCbCrImage*>(image);
SharedImage* result = new SharedImage(GrallocImage->GetSurfaceDescriptor());
return result;
#endif
} else {
NS_RUNTIMEABORT("TODO: Only YCbCrImage is supported here right now.");
}
return nullptr;
}
