size_t
YCbCrImageDataSerializer::ComputeMinBufferSize(const gfxIntSize& aYSize,
const gfxIntSize& aCbCrSize)
{
return ComputeMinBufferSize(gfx::IntSize(aYSize.width, aYSize.height),
gfx::IntSize(aCbCrSize.width, aCbCrSize.height));
}
void YCbCrImageDataDeserializerBase::Validate()
{
mIsValid = false;
if (!mData) {
return;
}
YCbCrBufferInfo* info = GetYCbCrBufferInfo(mData, mDataSize);
if (!info) {
return;
}
size_t requiredSize = ComputeMinBufferSize(
IntSize(info->mYWidth, info->mYHeight),
info->mYStride,
IntSize(info->mCbCrWidth, info->mCbCrHeight),
info->mCbCrStride);
mIsValid = requiredSize && requiredSize <= mDataSize;
}
// Minimum required shmem size in bytes
size_t
YCbCrImageDataDeserializerBase::ComputeMinBufferSize(const gfx::IntSize& aYSize,
const gfx::IntSize& aCbCrSize)
{
return ComputeMinBufferSize(aYSize, aYSize.width, aCbCrSize, aCbCrSize.width);
}
