[FFmpeg-trac] #7042(ffmpeg:new): Wrong subtitle cut using -ss input option

FFmpeg trac at avcodec.org
Sun Feb 25 18:49:42 EET 2018

#7042: Wrong subtitle cut using -ss input option
             Reporter:  MonoS        |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:  ffmpeg       |                  Version:  git-
             Keywords:  subtitle ss  |  master
  cut                                |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
 Summary of the bug:
 When applying an -ss offset on a srt subtitle file the resulting output
 file is cut at the wrong line and has the wrong offset.
 Using the attached eng.srt file and an -ss of 0:46:38.045 i expect the cut
 to happen on the 641th line with a timestamp of about 7 seconds, instead
 it happen on the 640th line messing up with the timecodes
 How to reproduce:
 ffmpeg -ss 0:46:38.045 -i eng.srt 3.srt
 ffmpeg version N-90168-gc0919c4985

Ticket URL: <https://trac.ffmpeg.org/ticket/7042>
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