[FFmpeg-trac] #10536(avformat:closed): writing .avi files via custom IO context (AVIOContext) yields incomplete header

[FFmpeg]

#10536: writing .avi files via custom IO context (AVIOContext) yields incomplete
header
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             Reporter:  Gustav      |                    Owner:  (none)
                 Type:  defect      |                   Status:  closed
             Priority:  normal      |                Component:  avformat
              Version:  git-master  |               Resolution:  invalid
             Keywords:  avi         |               Blocked By:
             Blocking:              |  Reproduced by developer:  0
Analyzed by developer:  0           |
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Changes (by mkver):

 * status:  new => closed
 * resolution:   => invalid

Comment:

 The AVI muxer (as well as many other muxers) update some stats (or other
 stuff) at the end of muxing, but they can only do that if the output is
 seekable; your custom I/O is not, because you do not use a seek function.
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/10536#comment:2>
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