[FFmpeg-trac] #7461(undetermined:new): Application provided invalid, non monotonically increasing dts to muxer

FFmpeg trac at avcodec.org
Thu Oct 4 01:00:51 EEST 2018


#7461: Application provided invalid, non monotonically increasing dts to muxer
-------------------------------------+-------------------------------------
             Reporter:  Anuskuss     |                    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 Anuskuss):

 I think I got my timings wrong the first time, but this works.

 '''Find last position without error'''
 {{{
 ffmpeg -t 1175.040 -i input.ac3 -c copy p1.ac3
 }}}

 '''Find first position without error'''
 {{{
 ffmpeg -ss 1175.328 -i input.ac3 -c copy -y p3.ac3
 }}}

 '''Substitute silence'''
 {{{
 ffmpeg -f lavfi -i "anullsrc=r=48000:cl=5.1" -t 0.288 p2.ac3
 }}}

 '''Concat and filter'''
 {{{
 ffmpeg -i "concat:p1.ac3|p2.ac3|p3.ac3" -af "atempo=0.95904" fin.ac3
 }}}

 One filter (like `[0]atrim;[0]atrim;[A][B]concat,atempo`) '''does not'''
 work.
 Ticket can be closed since it's not really a priority and I don't think
 this will get resolved anyway.

--
Ticket URL: <https://trac.ffmpeg.org/ticket/7461#comment:7>
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