[FFmpeg-trac] #1482(undetermined:new): FFMPEG fails to create a SRT file when extracting Subtitles

FFmpeg trac at avcodec.org
Sat Jun 23 21:00:05 CEST 2012


#1482: FFMPEG fails to create a SRT file when extracting Subtitles
-------------------------------------+-------------------------------------
             Reporter:  ramitbhalla  |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:
  undetermined                       |  unspecified
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 Summary of the bug: When extracing subtitles in SRT format FFMPEG creates
 a file but it is an illegible format.

 The link to the original file (too big to attach)
 http://www.mediafire.com/?dnvw6m61mky8pea

 Attaching the output file created

 How to reproduce:
 COMMAND:
 ffmpeg -i srt.ts -an -vn -scodec copy -copyinkf -f srt sub.srt


 {{{
 ffmpeg version N-41578-ga5c1a0c Copyright (c) 2000-2012 the FFmpeg
 developers
   built on Jun 13 2012 22:34:53 with gcc 4.6.3
   configuration: --enable-gpl --enable-version3 --disable-w32threads
 --enable-runtime-cpudetect --enable-avisynth --enab
 le-bzlib --enable-frei0r --enable-libass --enable-libcelt --enable-
 libopencore-amrnb --enable-libopencore-amrwb --enable
 -libfreetype --enable-libgsm --enable-libmp3lame --enable-libnut --enable-
 libopenjpeg --enable-librtmp --enable-libschro
 edinger --enable-libspeex --enable-libtheora --enable-libutvideo --enable-
 libvo-aacenc --enable-libvo-amrwbenc --enable-
 libvorbis --enable-libvpx --ena  libavutil      51. 58.100 / 51. 58.100
   libavcodec     54. 25.100 / 54. 25.100
   libavformat    54.  6.101 / 54.  6.101
   libavdevice    54.  0.100 / 54.  0.100
   libavfilter     2. 79.100 /  2. 79.100
   libswscale      2.  1.100 /  2.  1.100
   libswresample   0. 15.100 /  0. 15.100
   libpostproc    52.  0.100 / 52.  0.100
 [mpegts @ 002dbd00] max_analyze_duration 5000000 reached at 5000000
 [NULL @ 02b171c0] start time is not set in estimate_timings_from_pts
 Input #0, mpegts, from 'srt.ts':
   Duration: 00:01:38.16, start: 0.151678, bitrate: 4310 kb/s
   Program 1
     Stream #0:0[0x30]: Video: mpeg2video (Main) ([2][0][0][0] / 0x0002),
 yuv420p, 720x576 [SAR 64:45 DAR 16:9], 15000 kb
 /s, 25 fps, 25 tbr, 90k tbn, 50 tbc
     Stream #0:1[0x40](eng): Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz,
 stereo, s16, 256 kb/s
     Stream #0:2[0x50](eng): Subtitle: dvb_subtitle ([6][0][0][0] / 0x0006)
 Output #0, srt, to 'sub.srt':
   Metadata:
     encoder         : Lavf54.6.101
     Stream #0:0(eng): Subtitle: dvb_subtitle ([6][0][0][0] / 0x0006)
 Stream mapping:
   Stream #0:2 -> #0:0 (copy)
 Press [q] to stop, [?] for help
 size=     113kB time=00:01:37.25 bitrate=   9.5kbits/s
 video:0kB audio:0kB global headers:0kB muxing overhead inf%
 Output file is empty, nothing was encoded (check -ss / -t / -frames
 parameters if used)
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1482>
FFmpeg <http://ffmpeg.org>
FFmpeg issue tracker


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