[FFmpeg-trac] #9185(avformat:new): ffmpeg flac decoder incorrectly finds junk frame

[FFmpeg]

#9185: ffmpeg flac decoder incorrectly finds junk frame
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             Reporter:  Mattias      |                    Owner:  (none)
  Wadman                             |
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:  avformat
              Version:  git-master   |               Resolution:
             Keywords:  flac         |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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Comment (by Mattias Wadman):

 {{{-err_detect +crccheck}}} does not seem to make any difference in output
 or logging.

 Yes I understand ffmpeg primary tries to workaround and fix issues but in
 this case I don't think the file is broken, at least {{{flac -t
 flac_junk_frame_issue2.flac}}} does not find any errors.

 Add optional samples md5 verification would both detect broken files and
 implementation bugs. As a note ffmpeg:s flac encoder/muxer has support for
 calculating and writing samples md5.
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Ticket URL: <https://trac.ffmpeg.org/ticket/9185#comment:5>
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