avcodecmap: Add MxPEG codec ID
The MXPEG AVCodecId was missing from the libav mapping list, so the caps were being set to unknown/unknown
, meaning avdec_mxpeg
wasn't working. This fixes that
The MXPEG AVCodecId was missing from the libav mapping list, so the caps were being set to unknown/unknown
, meaning avdec_mxpeg
wasn't working. This fixes that