[FFmpeg-trac] #679(undetermined:new): DVB subtitles are badly placed on the screen

[FFmpeg]

#679: DVB subtitles are badly placed on the screen
-------------------------------------+-------------------------------------
               Reporter:  cehoyos    |                  Owner:
                   Type:  defect     |                 Status:  new
               Priority:  normal     |              Component:
                Version:  git-       |  undetermined
  master                             |               Keywords:  dvbsub
             Blocked By:             |  mpegts
Reproduced by developer:  0          |               Blocking:
                                     |  Analyzed by developer:  0
-------------------------------------+-------------------------------------
 Attached sample shows subtitles too far right on the screen so that a part
 cannot be read.
 mplayer -demuxer mpegts -sid 593 and mplayer -demuxer lavf -sid 0 show the
 subtitle at the right position in the center of the screen (but cuts away
 the upper half).
 {{{
 $ ffmpeg -i subtitles.ts
 ffmpeg version N-35086-g530a540, Copyright (c) 2000-2011 the FFmpeg
 developers
   built on Nov 23 2011 00:29:45 with gcc 4.5.3
   configuration: --cc='/usr/local/gcc-4.5.3/bin/gcc -m32'
   libavutil    51. 26. 0 / 51. 26. 0
   libavcodec   53. 36. 0 / 53. 36. 0
   libavformat  53. 21. 0 / 53. 21. 0
   libavdevice  53.  4. 0 / 53.  4. 0
   libavfilter   2. 49. 0 /  2. 49. 0
   libswscale    2.  1. 0 /  2.  1. 0
 [mpeg2video @ 0x8dac120] mpeg_decode_postinit() failure
     Last message repeated 10 times
 [mpegts @ 0x8d93a80] max_analyze_duration 5000000 reached at 5016000
 [NULL @ 0x8db0420] start time is not set in estimate_timings_from_pts
 [NULL @ 0x8dd06c0] start time is not set in estimate_timings_from_pts
 [NULL @ 0x8dd6780] start time is not set in estimate_timings_from_pts
 [NULL @ 0x8ddca00] start time is not set in estimate_timings_from_pts
 [NULL @ 0x8de2c80] start time is not set in estimate_timings_from_pts
 [mpegts @ 0x8d93a80] PES packet size mismatch
 Input #0, mpegts, from 'subtitles.ts':
   Duration: 00:00:09.17, start: 11318.457333, bitrate: 2233 kb/s
   Program 8270
     Metadata:
       service_name    : ITV1
       service_provider: ITV
   Program 8325
     Metadata:
       service_name    : ITV2
       service_provider: ITV
   Program 8634
     Metadata:
       service_name    : Rabbit
       service_provider: Teletext Limited
   Program 8384
     Metadata:
       service_name    : Channel 4
       service_provider: Channel 4 TV
   Program 8448
     Metadata:
       service_name    : E4
       service_provider: Channel 4 TV
   Program 8442
     Metadata:
       service_name    : More 4
       service_provider: Channel 4 TV
     Stream #0:0[0x24e]: Video: mpeg2video (Main) ([2][0][0][0] / 0x0002),
 yuv420p, 544x576 [SAR 32:17 DAR 16:9], 15000 kb/s, 26.80 fps, 25 tbr, 90k
 tbn, 50 tbc
     Stream #0:1[0x24f](eng): Audio: mp2 ([4][0][0][0] / 0x0004), 48000 Hz,
 stereo, s16, 192 kb/s
     Stream #0:2[0x250](eng): Audio: mp3 ([4][0][0][0] / 0x0004), 0
 channels, s16 (visual impaired)
     Stream #0:3[0x251](eng): Subtitle: dvb_subtitle ([6][0][0][0] /
 0x0006)
     Stream #0:4[0x84f]: Unknown: none ([11][0][0][0] / 0x000B)
     Stream #0:5[0x911]: Unknown: none ([11][0][0][0] / 0x000B)
     Stream #0:6[0x912]: Unknown: none ([11][0][0][0] / 0x000B)
     Stream #0:7[0xbbb]: Unknown: none ([11][0][0][0] / 0x000B)
   Program 8452
     Metadata:
       service_name    : Channel 4+1
       service_provider: Channel 4 TV
   Program 8577
     Metadata:
       service_name    : Gay Rabbit
       service_provider: Teletext Limited
   Program 8500
     Metadata:
       service_name    : Channel 5
       service_provider: five
   Program 8370
     Metadata:
       service_name    : ITV1 +1
       service_provider: ITV
 At least one output file must be specified
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/679>
FFmpeg <http://ffmpeg.org>
FFmpeg issue tracker