[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
 "2.4.3-1ubuntu1~trusty6".

 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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