d3d11: Don't register decoders if unavailable
DXVA requires a hardware interface but may not be available, such as in the case of VMs or when the GPU vendor does not provide a decoder interface.
Due to an influx of spam, we have had to impose restrictions on new accounts. Please see this wiki page for instructions on how to get full permissions. Sorry for the inconvenience.
DXVA requires a hardware interface but may not be available, such as in the case of VMs or when the GPU vendor does not provide a decoder interface.