[FFmpeg-trac] #6375(ffmpeg:reopened): [bug][regression] Too many packets buffered for output stream

FFmpeg trac at avcodec.org
Mon Oct 30 20:53:43 EET 2017

#6375: [bug][regression] Too many packets buffered for output stream
             Reporter:  p137        |                    Owner:
                 Type:  defect      |                   Status:  reopened
             Priority:  important   |                Component:  ffmpeg
              Version:  git-master  |               Resolution:
             Keywords:  regression  |               Blocked By:
             Blocking:              |  Reproduced by developer:  1
Analyzed by developer:  0           |

Comment (by cus):

 Not that simple to fix this, because the root cause of these issues, which
 is the fact that ffmpeg only writes the header of the output after it gets
 one decoded frame from each input is intentional as far as I know.

 Increaseing the muxing queue seems realtively harmless, but it might
 increase the initial latency and the initial memory usage of ffmpeg. (for
 cases which would fail right now).

 Until we figure out something better, incresing the default to 1024 seems
 like the right move, altough that is still not something that will fix
 every case which used to work.

Ticket URL: <https://trac.ffmpeg.org/ticket/6375#comment:17>
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