[FFmpeg-trac] #1332(undetermined:new): XSUB encoding regression

FFmpeg trac at avcodec.org
Mon May 21 09:48:26 CEST 2012


#1332: XSUB encoding regression
-------------------------------------+-------------------------------------
               Reporter:  cehoyos    |                  Owner:
                   Type:  defect     |                 Status:  new
               Priority:  important  |              Component:
                Version:  git-       |  undetermined
  master                             |               Keywords:  xsub
             Blocked By:             |  regression
Reproduced by developer:  1          |               Blocking:
                                     |  Analyzed by developer:  0
-------------------------------------+-------------------------------------
 (related to issue 2424)

 Encoding http://samples.mplayerhq.hu/MPEG-
 VOB/ClosedCaptions/Starship_Troopers.vob with -scodec xsub produced a file
 with working subtitles until r19325, current git master leads to a file
 that shows "coded frame too small" on decoding.
 {{{
 $ ffmpeg -i Starship_Troopers.vob -scodec xsub -qscale 2 -ac 2 out.avi
 ffmpeg version N-40924-g349c624 Copyright (c) 2000-2012 the FFmpeg
 developers
   built on May 21 2012 07:59:42 with gcc 4.3.2
   configuration: --cc=/usr/local/gcc-4.3.2/bin/gcc --enable-gpl --enable-
 libopenjpeg --enable-libvorbis --enable-libspeex --enable-libmp3lame
 --enable-libtheora --extra-ldflags=-lm
   libavutil      51. 53.100 / 51. 53.100
   libavcodec     54. 21.101 / 54. 21.101
   libavformat    54.  5.101 / 54.  5.101
   libavdevice    53.  4.100 / 53.  4.100
   libavfilter     2. 75.100 /  2. 75.100
   libswscale      2.  1.100 /  2.  1.100
   libswresample   0. 15.100 /  0. 15.100
   libpostproc    52.  0.100 / 52.  0.100
 [mpeg @ 0x8f0c3c0] Adjusting PTS forward
     Last message repeated 295 times
 [mpeg @ 0x8f0c3c0] max_analyze_duration 5000000 reached at 5024000
 Input #0, mpeg, from 'Starship_Troopers.vob':
   Duration: 00:00:51.28, start: 1986.626100, bitrate: 4620 kb/s
     Stream #0:0[0x1e0]: Video: mpeg2video (Main), yuv420p, 720x480 [SAR
 32:27 DAR 16:9], 9800 kb/s, 23.98 fps, 59.94 tbr, 90k tbn, 59.94 tbc
     Stream #0:1[0x83]: Audio: ac3, 48000 Hz, stereo, s16, 192 kb/s
     Stream #0:2[0x82]: Audio: ac3, 48000 Hz, stereo, s16, 192 kb/s
     Stream #0:3[0x80]: Audio: ac3, 48000 Hz, stereo, s16, 192 kb/s
     Stream #0:4[0x81]: Audio: ac3, 48000 Hz, 5.1(side), s16, 384 kb/s
     Stream #0:5[0x20]: Subtitle: dvd_subtitle
     Stream #0:6[0x22]: Subtitle: dvd_subtitle
 Please use -q:a or -q:v, -qscale is ambiguous
 [buffer @ 0x8f24180] w:720 h:480 pixfmt:yuv420p tb:1/90000 sar:32/27
 sws_param:flags=2
 [buffersink @ 0x8f3e580] No opaque field provided
 [aformat @ 0x8f13f00] auto-inserting filter 'auto-inserted resampler 0'
 between the filter 'src' and the filter 'aformat'
 [aresample @ 0x8f13b80] r:48000Hz -> r:48000Hz
 Output #0, avi, to 'out.avi':
   Metadata:
     ISFT            : Lavf54.5.101
     Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 720x480 [SAR
 32:27 DAR 16:9], q=2-31, 200 kb/s, 59.94 tbn, 59.94 tbc
     Stream #0:1: Audio: mp3 (U[0][0][0] / 0x0055), 48000 Hz, stereo, s16
     Stream #0:2: Subtitle: xsub (DXSB / 0x42535844)
 Stream mapping:
   Stream #0:0 -> #0:0 (mpeg2video -> mpeg4)
   Stream #0:4 -> #0:1 (ac3 -> libmp3lame)
   Stream #0:5 -> #0:2 (dvdsub -> xsub)
 Press [q] to stop, [?] for help
 [ac3 @ 0x8f44be0] frame sync error
 Error while decoding stream #0:4
 [mpeg @ 0x8f0c3c0] Adjusting PTS forward
     Last message repeated 28 times
 frame=   30 fps=0.0 q=2.0 size=      14kB time=00:00:00.00 bitrate=
 0.0kbits/s
 Adjusting PTS forward
 [mpeg @ 0x8f0c3c0] Adjusting PTS forward
     Last message repeated 23 times
 frame=   55 fps= 54 q=2.0 size=      14kB time=00:00:00.00 bitrate=
 0.0kbits/s
 Adjusting PTS forward

 ...

 Adjusting PTS forward
 [mpeg @ 0x8f0c3c0] Adjusting PTS forward
     Last message repeated 30 times
 frame= 1207 fps= 56 q=2.0 size=   26344kB time=00:00:47.78
 bitrate=4516.7kbits/s
 Adjusting PTS forward
 [mpeg @ 0x8f0c3c0] Adjusting PTS forward
     Last message repeated 17 times
 [mpeg2video @ 0x8f12760] ac-tex damaged at 3 27
 [mpeg2video @ 0x8f12760] Warning MVs not available
 [mpeg2video @ 0x8f12760] concealing 135 DC, 135 AC, 135 MV errors
 [ac3 @ 0x8f44be0] incomplete frame
 frame= 1229 fps= 56 q=2.0 Lsize=   28936kB time=00:00:50.95
 bitrate=4652.4kbits/s
 video:26785kB audio:801kB global headers:0kB muxing overhead 4.895654%
 }}}
 {{{
 $ ffplay out.avi
 ffplay version N-40924-g349c624 Copyright (c) 2003-2012 the FFmpeg
 developers
   built on May 21 2012 07:59:42 with gcc 4.3.2
   configuration: --cc=/usr/local/gcc-4.3.2/bin/gcc --enable-gpl --enable-
 libopenjpeg --enable-libvorbis --enable-libspeex --enable-libmp3lame
 --enable-libtheora --extra-ldflags=-lm
   libavutil      51. 53.100 / 51. 53.100
   libavcodec     54. 21.101 / 54. 21.101
   libavformat    54.  5.101 / 54.  5.101
   libavdevice    53.  4.100 / 53.  4.100
   libavfilter     2. 75.100 /  2. 75.100
   libswscale      2.  1.100 /  2.  1.100
   libswresample   0. 15.100 /  0. 15.100
   libpostproc    52.  0.100 / 52.  0.100
 [avi @ 0x8f43fe0] non-interleaved AVI
 Input #0, avi, from 'out.avi':
   Metadata:
     encoder         : Lavf54.5.101
   Duration: 00:00:51.30, start: 0.000000, bitrate: 4620 kb/s
     Stream #0:0: Video: mpeg4 (Simple Profile) (FMP4 / 0x34504D46),
 yuv420p, 720x480 [SAR 32:27 DAR 16:9], 59.94 fps, 59.94 tbr, 59.94 tbn,
 60k tbc
     Stream #0:1: Audio: mp3 (U[0][0][0] / 0x0055), 48000 Hz, stereo, s16,
 128 kb/s
     Stream #0:2: Subtitle: xsub (DXSB / 0x42535844)
 [xsub @ 0x8f4bfe0] coded frame too small
     Last message repeated 1052 times
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1332>
FFmpeg <http://ffmpeg.org>
FFmpeg issue tracker


More information about the FFmpeg-trac mailing list