[FFmpeg-trac] #8706(undetermined:new): Merge / concat videos do not work

FFmpeg trac at avcodec.org
Tue Jun 2 17:22:57 EEST 2020


#8706: Merge / concat videos do not work
-------------------------------------+-------------------------------------
             Reporter:  matej.m      |                     Type:  defect
               Status:  new          |                 Priority:  critical
            Component:               |                  Version:
  undetermined                       |  unspecified
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 Hello,
 I am very sad.
 It is unbelievable, but ffmpeg do not support merge videos (mp4, webm, and
 mkv) without reencoding.
 My OS is actual version of Ubuntu.
 My ffmpeg version is actual.
 I use for merge / concat only videos in the same resolution and bitrate

 For me do not work

 {{{
 ffmpeg -i "concat:vid1.mp4|vid2.mp4" -c copy output.mp4
 }}}


 Sample of video files in the same resolution and bitrate you can download
 here
 https://www.uschovna.cz/en/zasilka/YXANUKJHU6TMBYY7-3J2/2YMIEPH94X/?set_lang=en

 Can you please repair it?

 Thanks

--
Ticket URL: <https://trac.ffmpeg.org/ticket/8706>
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