[FFmpeg-trac] #4063(ffmpeg:new): sub2video gets stuck with damaged video and non-monotonic timestamps when used with -copyts

[FFmpeg]

#4063: sub2video gets stuck with damaged video and non-monotonic timestamps when
used with -copyts
-------------------------------------+-------------------------------------
             Reporter:  mikaraento   |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:  ffmpeg       |                  Version:
             Keywords:               |  unspecified
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
-------------------------------------+-------------------------------------
 Summary of the bug: sub2video gets stuck with damaged video and non-
 monotonic timestamps when used with -copyts

 I want -copyts to be able to keep all audio and all video, even if some is
 missing over time.

 How to reproduce:
 {{{
 $ ffmpeg -y -i dvb_with_disco_2.ts -copyts -filter_complex
 '[0:0][0:3]overlay[outv0]' -map 0:1 -map '[outv0]' broken.ts
 ffmpeg version N-67065-g2fa08fd Copyright (c) 2000-2014 the FFmpeg
 developers
   built on Oct 23 2014 08:58:30 with Apple LLVM version 6.0
 (clang-600.0.51) (based on LLVM 3.5svn)
 }}}

 Working (without -copyts):
 {{{
 $ ffmpeg -y -i dvb_with_disco_2.ts -filter_complex
 '[0:0][0:3]overlay[outv0]' -map 0:1 -map '[outv0]' working.ts
 }}}

 dvb_with_disco_2.ts uploaded to upload.ffmpeg.org/incoming

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Ticket URL: <https://trac.ffmpeg.org/ticket/4063>
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