[FFmpeg-trac] #4898(avfilter:new): subtitles filter broken

FFmpeg trac at avcodec.org
Thu Oct 1 11:36:16 CEST 2015

#4898: subtitles filter broken
             Reporter:  sampsa       |                     Type:  defect
               Status:  new          |                 Priority:  important
            Component:  avfilter     |                  Version:  git-
             Keywords:  subtitles    |  master
  filter                             |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
 Summary of the bug:
 How to reproduce:
 % ffmpeg -y -ss 10.4301844784 -t 10.7448536896 -i HIK_SININEN.mkv
 -filter_complex "subtitles=events_export.srt" -map 0:a -c:v libx264 -c:a
 copy export.avi
 Tested on ffmpeg versions "N-75657-g9e9d731" and "2.8"
 built on linux (ubuntu 14.04)

 This gives the error message
 % [Parsed_subtitles_0 @ 0x3131960] Unable to open events_export.srt

 Exactly the same command with exactly the same files works OK with version

 So it seems that the "subtitles" filter has been hosed somewhere between
 versions "2.4.3" and "2.8".

 More details:
 - HIK_SININEN.mkv contains video in h264 and audio in pcmulaw
 - events_export.srt is a normal subrip subtitle file

Ticket URL: <https://trac.ffmpeg.org/ticket/4898>
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