[FFmpeg-trac] #2333(undetermined:new): mkv + ac3 remux adds a little time

FFmpeg trac at avcodec.org
Thu Mar 14 23:37:59 CET 2013

#2333: mkv + ac3 remux adds a little time
             Reporter:  Squeeto      |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
              Version:  unspecified  |  undetermined
             Keywords:               |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0

Comment (by Squeeto):

 I started this question at http://ffmpeg.zeranoe.com/forum; it was there
 that the demuxed times were asked for trouble-shooting purposes.

 I only want to mux the input.mkv and input.ac3.  I would prefer to use
 ffmpeg but I noticed that mkvmerge makes a done.mkv of 12.86 seconds.  Why
 does ffmpeg add a little time?  Does it matter?  Can I still splice
 together done.mkv, done2.mkv, done3.mkv, etc. and expect doneTotal.mkv to
 be okay?

 I am not concerned that input.ac3 is a little longer than input.mkv.

 Thank you

Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2333#comment:5>
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