[FFmpeg-devel] [PATCH 2/2 v2] lavf: Add function for accessing Matroska Codec <-> CodecID table

Derek Buitenhuis derek.buitenhuis at gmail.com
Wed May 30 21:54:21 CEST 2012

On 30/05/2012 3:47 PM, Michael Niedermayer wrote:
> Maybe iam misunderstanding the problem this is supposed to solve but
> why do you not set the AVCodecTag arrays in AVIn/OutputFormat ?
> if the issue is to fit the arbitrary strings in AVCodecTag one way
> to do it is to consider the 32bit codec_tag a index into an public
> array of strings from libavformat.
> a char* could also be added to AVCodecTag but this may cause ABI
> issues
> This would not need API extensions per (de)muxer

I agree that needing to do this on a per-demuxer basis is really ugly.

I think it's worth looking into changing AVCodecTag, but of course
this would break ABI, as you said.

- Derek

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