[FFmpeg-trac] #7684(avformat:open): ffmpeg -ss: issue with one flac uncompressed

[FFmpeg]

#7684: ffmpeg -ss: issue with one flac uncompressed
-------------------------------------+-------------------------------------
             Reporter:  rdsu         |                    Owner:
                 Type:  defect       |                   Status:  open
             Priority:  important    |                Component:  avformat
              Version:  git-master   |               Resolution:
             Keywords:  flac seek    |               Blocked By:
  regression                         |
             Blocking:               |  Reproduced by developer:  1
Analyzed by developer:  1            |
-------------------------------------+-------------------------------------
Changes (by mkver):

 * analyzed:  0 => 1


Comment:

 There is a wrong header at 187108258 that passes all checks. It is read
 via flac_read_timestamp and ff_find_last_ts. Said header indicates a
 blocksize of 16384 samples, a sample rate of 49920 and a timestamp of 0.
 The implication is of course that the file has a duration of zero.

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Ticket URL: <https://trac.ffmpeg.org/ticket/7684#comment:5>
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