[FFmpeg-devel] [PATCH] avformat/mp3dec: Workaround mp3 detection failure (PR #20212)

Nicolas George george at nsup.org
Mon Aug 11 11:40:08 EEST 2025


quink (HE12025-08-11):
> PR #20212 opened by quink
> URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20212
> Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20212.patch
> 
> A set of files begins with the following byte sequence.
> 
> 00000000  4c 41 4d 45 33 2e 31 30  30 aa aa aa aa aa aa aa  |LAME3.100.......|
> 00000010  aa aa aa aa aa aa aa aa  aa aa aa aa aa aa aa aa  |................|
> *
> 
> It seems they are encoded with lame, but missing header bytes at the
> beginning.
> 
> Signed-off-by: Zhao Zhili <zhilizhao at tencent.com>

The commit message should explain better what the commit does.

What other software manages to recognize these files as valid?

Regards,

-- 
  Nicolas George


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