[FFmpeg-trac] #3999(ffmpeg:open): Input option -r does not work for all formats without reencoding (was: Stretching (increasing duration) of video without reencoding)

[FFmpeg]

#3999: Input option -r does not work for all formats without reencoding
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             Reporter:  Ilya87      |                    Owner:
                 Type:  defect      |                   Status:  open
             Priority:  normal      |                Component:  ffmpeg
              Version:  git-master  |               Resolution:
             Keywords:  fps         |               Blocked By:
             Blocking:              |  Reproduced by developer:  1
Analyzed by developer:  0           |
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Changes (by cehoyos):

 * keywords:  Stretching => fps
 * status:  new => open
 * version:  2.4.1 => git-master
 * reproduced:  0 => 1


Comment:

 One workaround is to use the following commands:
 {{{
 $ ffmpeg -r 10 -i 122.mkv -vcodec copy out.avi
 $ ffmpeg -fflags +genpts -i out.avi -vcodec copy out.mkv
 }}}

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Ticket URL: <https://trac.ffmpeg.org/ticket/3999#comment:6>
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