[FFmpeg-trac] #2474(avformat:closed): MKV transcoded to MKV with copied attachments is unplayable if output is stdout

[FFmpeg]

#2474: MKV transcoded to MKV with copied attachments is unplayable if output is
stdout
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             Reporter:  bubbleguuum  |                    Owner:
                 Type:  defect       |                   Status:  closed
             Priority:  normal       |                Component:  avformat
              Version:  git-master   |               Resolution:  fixed
             Keywords:  mkv          |               Blocked By:
             Blocking:               |  Reproduced by developer:  1
Analyzed by developer:  0            |
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Changes (by mkver):

 * status:  open => closed
 * resolution:   => fixed


Comment:

 This has been fixed, most likely by commit
 4687240d52b398573ae64447c82e3be24749224b. Since this commit, a dynamic
 buffer is used to write the attachments, so that seeking back to update
 the size elements is avoided in the non-seekable case.

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Ticket URL: <https://trac.ffmpeg.org/ticket/2474#comment:5>
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