No that's in the decoder step which is up to the shared library that's used for it on your system - likely doing a hardware call to your graphics card which is

No that's in the decoder step which is up to the shared library that's used for it on your system - likely doing a hardware call to your graphics card which is the perfect place to do this stuff. The solution is a drop in decoder replacement. Heck it might already exist, it's a pretty obvious, easy and direct application.