[FFmpeg-trac] #1349(FFmpeg:closed): itsoffset doesn't work for second input file (audio)

[FFmpeg]

#1349: itsoffset doesn't work for second input file (audio)
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             Reporter:  bombo       |                    Owner:
                 Type:  defect      |                   Status:  closed
             Priority:  normal      |                Component:  FFmpeg
              Version:  git-master  |               Resolution:  invalid
             Keywords:  itsoffset   |               Blocked By:
             Blocking:              |  Reproduced by developer:  0
Analyzed by developer:  0           |
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Comment (by mjs973):

 So, are you saying that -10 didn't give the result you wanted?

 There are two experiments you could try:

 1) the .avi container is fairly dumb: it has no timestamps. Have you tried
 using a better container (.mp4 or .mkv) for the output file to see if that
 works any better? I'm not sure  which containers know how to handle XVID
 and mp3.

 2) There could be a bug when two input files are used. The -itsoffset
 feature is typically used on a single input file. Have you tried muxing
 the two streams into a single file without using -itsoffset, then doing
 the time shift by re-muxing that one file with -itsoffset?

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Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1349#comment:5>
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