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fix parse Codec ID V_MS/VFW/FOURCC #8

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tony95271 opened this issue Dec 7, 2022 · 0 comments

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tony95271 commented Dec 7, 2022 •

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parse sample https://mkvtoolnix.download/samples/vsshort-vorbis-subs.mkv
the video track codec_name expected parsing from private data (such as "msmpeg4v3" likes ffprobe output), got "V_MS/VFW/FOURCC".

see also
https://github.com/FFmpeg/FFmpeg/blob/cb9ab38c527ab838151c44bc04715a3548162733/libavformat/matroskadec.c#L2589

refs

https://www.matroska.org/technical/codec_specs.html section 'Video Codec Mappings'
https://learn.microsoft.com/en-us/windows/win32/api/wingdi/ns-wingdi-bitmapinfoheader?redirectedfrom=MSDN

xlab added the help wanted label

xlab assigned tony95271

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