[Libav-user] Unable to register custom decoder

Timothy Fleming tim at magichome.net
Sun Feb 2 00:20:57 EET 2020

> It should be enough to add the new codec to allcodecs.c and its codec_id to the demuxer (as you did). Please compile ffmpeg (for the desktop) and run ffmpeg -i > yourfile to test your change.

Turns out Matroska does it's own decoder lookup.  It needs to be defined in libavformat/matroska.c. 

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