[FFmpeg-trac] #5124(undetermined:new): Vobsub subtitles not burning with a certain file

FFmpeg trac at avcodec.org
Wed Jan 6 18:29:55 CET 2016


#5124: Vobsub subtitles not burning with a certain file
-------------------------------------+-------------------------------------
             Reporter:               |                    Owner:
  Rapper_skull                       |                   Status:  new
                 Type:  defect       |                Component:
             Priority:  normal       |  undetermined
              Version:  git-master   |               Resolution:
             Keywords:  dvdsub       |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------

Comment (by Rapper_skull):

 Solved the problem scaling the subtitles first:

 {{{
 ffmpeg -threads auto -i /media/rapperskull/Volume/vobsub_not_burning.mkv
 -y -c:v mpeg2video -pix_fmt yuv420p -qscale:v 1 -filter_complex
 '[0:2]scale=1920x800[sub];[0:0][sub]overlay[v]' -g 15 -c:a ac3 -b:a 192k
 -ac 2 -map [v] -map 0:1 -sn -f mpegts
 /media/rapperskull/Volume/vobsub_not_burning.ts
 ffmpeg version N-77710-g5b4da8a Copyright (c) 2000-2016 the FFmpeg
 developers
   built with gcc 5.2.1 (Ubuntu 5.2.1-22ubuntu2) 20151010
   configuration: --prefix=/home/rapperskull/ffmpeg_build --pkg-config-
 flags=--static --extra-cflags=-I/home/rapperskull/ffmpeg_build/include
 --extra-ldflags=-L/home/rapperskull/ffmpeg_build/lib
 --bindir=/home/rapperskull/bin --enable-gpl --enable-libass --enable-
 libfdk-aac --enable-libfreetype --enable-libmp3lame --enable-libopus
 --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264
 --enable-libx265 --enable-nonfree
   libavutil      55. 12.100 / 55. 12.100
   libavcodec     57. 21.100 / 57. 21.100
   libavformat    57. 21.100 / 57. 21.100
   libavdevice    57.  0.100 / 57.  0.100
   libavfilter     6. 23.100 /  6. 23.100
   libswscale      4.  0.100 /  4.  0.100
   libswresample   2.  0.101 /  2.  0.101
   libpostproc    54.  0.100 / 54.  0.100
 Input #0, matroska,webm, from
 '/media/rapperskull/Volume/vobsub_not_burning.mkv':
   Metadata:
     ENCODER         : Lavf56.36.100
   Duration: 00:00:07.47, start: 0.000000, bitrate: 11124 kb/s
     Chapter #0:0: start 0.000000, end 7.450000
     Metadata:
       title           : Opening Titles
     Stream #0:0(ita): Video: h264 (High), yuv420p, 1920x800 [SAR 1:1 DAR
 12:5], 23.98 fps, 23.98 tbr, 1k tbn, 47.95 tbc (default)
     Metadata:
       title           : The Hitchhiker's Guide to the Galaxy - Sample
       LANGUAGE        : ita
       BPS             : 20041526
       BPS-eng         : 20041526
       DURATION        : 00:00:19.102000000
       DURATION-eng    : 00:00:19.102000000
       NUMBER_OF_FRAMES: 458
       NUMBER_OF_FRAMES-eng: 458
       NUMBER_OF_BYTES : 47854155
       NUMBER_OF_BYTES-eng: 47854155
       _STATISTICS_WRITING_APP: mkvmerge v8.7.0 ('All of the above') 64bit
       _STATISTICS_WRITING_APP-eng: mkvmerge v8.7.0 ('All of the above')
 64bit
       _STATISTICS_WRITING_DATE_UTC: 2016-01-05 23:04:15
       _STATISTICS_WRITING_DATE_UTC-eng: 2016-01-05 23:04:15
       _STATISTICS_TAGS: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
       _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
       ENCODER         : Lavc56.41.100 libx264
     Stream #0:1(ita): Audio: ac3, 48000 Hz, stereo, fltp, 192 kb/s
 (default)
     Metadata:
       title           : Ita Ac3 5.1
       LANGUAGE        : ita
       BPS             : 640000
       BPS-eng         : 640000
       DURATION        : 00:00:19.104000000
       DURATION-eng    : 00:00:19.104000000
       NUMBER_OF_FRAMES: 597
       NUMBER_OF_FRAMES-eng: 597
       NUMBER_OF_BYTES : 1528320
       NUMBER_OF_BYTES-eng: 1528320
       _STATISTICS_WRITING_APP: mkvmerge v8.7.0 ('All of the above') 64bit
       _STATISTICS_WRITING_APP-eng: mkvmerge v8.7.0 ('All of the above')
 64bit
       _STATISTICS_WRITING_DATE_UTC: 2016-01-05 23:04:15
       _STATISTICS_WRITING_DATE_UTC-eng: 2016-01-05 23:04:15
       _STATISTICS_TAGS: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
       _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
       ENCODER         : Lavc56.41.100 ac3
     Stream #0:2(ita): Subtitle: dvd_subtitle, 1920x1080 (default)
     Metadata:
       title           : Sub Ita Forced
       LANGUAGE        : ita
       BPS             : 4601
       BPS-eng         : 4601
       DURATION        : 00:00:05.313000000
       DURATION-eng    : 00:00:05.313000000
       NUMBER_OF_FRAMES: 1
       NUMBER_OF_FRAMES-eng: 1
       NUMBER_OF_BYTES : 3056
       NUMBER_OF_BYTES-eng: 3056
       _STATISTICS_WRITING_APP: mkvmerge v8.7.0 ('All of the above') 64bit
       _STATISTICS_WRITING_APP-eng: mkvmerge v8.7.0 ('All of the above')
 64bit
       _STATISTICS_WRITING_DATE_UTC: 2016-01-05 23:04:15
       _STATISTICS_WRITING_DATE_UTC-eng: 2016-01-05 23:04:15
       _STATISTICS_TAGS: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
       _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
 Output #0, mpegts, to '/media/rapperskull/Volume/vobsub_not_burning.ts':
   Metadata:
     encoder         : Lavf57.21.100
     Chapter #0:0: start 0.000000, end 7.450000
     Metadata:
       title           : Opening Titles
     Stream #0:0: Video: mpeg2video (Main), yuv420p, 1920x800 [SAR 1:1 DAR
 12:5], q=2-31, 200 kb/s, 23.98 fps, 90k tbn, 23.98 tbc (default)
     Metadata:
       encoder         : Lavc57.21.100 mpeg2video
     Side data:
       unknown side data type 10 (24 bytes)
     Stream #0:1(ita): Audio: ac3, 48000 Hz, stereo, fltp, 192 kb/s
 (default)
     Metadata:
       title           : Ita Ac3 5.1
       LANGUAGE        : ita
       BPS             : 640000
       BPS-eng         : 640000
       DURATION        : 00:00:19.104000000
       DURATION-eng    : 00:00:19.104000000
       NUMBER_OF_FRAMES: 597
       NUMBER_OF_FRAMES-eng: 597
       NUMBER_OF_BYTES : 1528320
       NUMBER_OF_BYTES-eng: 1528320
       _STATISTICS_WRITING_APP: mkvmerge v8.7.0 ('All of the above') 64bit
       _STATISTICS_WRITING_APP-eng: mkvmerge v8.7.0 ('All of the above')
 64bit
       _STATISTICS_WRITING_DATE_UTC: 2016-01-05 23:04:15
       _STATISTICS_WRITING_DATE_UTC-eng: 2016-01-05 23:04:15
       _STATISTICS_TAGS: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
       _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
       encoder         : Lavc57.21.100 ac3
 Stream mapping:
   Stream #0:0 (h264) -> overlay:main (graph 0)
   Stream #0:2 (dvdsub) -> scale (graph 0)
   overlay (graph 0) -> Stream #0:0 (mpeg2video)
   Stream #0:1 -> #0:1 (ac3 (native) -> ac3 (native))
 Press [q] to stop, [?] for help
 frame=    7 fps=0.0 q=1.0 size=    1440kB time=00:00:00.37
 bitrate=31159.0kbits/frame=   16 fps= 15 q=1.0 size=    3754kB
 time=00:00:00.76 bitrate=40326.0kbits/frame=   25 fps= 16 q=1.0 size=
 6135kB time=00:00:01.14 bitrate=43828.0kbits/frame=   38 fps= 18 q=1.0
 size=    9689kB time=00:00:01.69 bitrate=46945.4kbits/frame=   53 fps= 20
 q=1.0 size=   13980kB time=00:00:02.29 bitrate=49822.4kbits/frame=   68
 fps= 22 q=1.0 size=   18349kB time=00:00:02.93 bitrate=51150.5kbits/frame=
 84 fps= 23 q=1.0 size=   22971kB time=00:00:03.61
 bitrate=52117.1kbits/frame=  100 fps= 24 q=1.0 size=   27689kB
 time=00:00:04.21 bitrate=53766.8kbits/frame=  114 fps= 24 q=1.0 size=
 31854kB time=00:00:04.85 bitrate=53708.5kbits/frame=  128 fps= 25 q=1.0
 size=   35934kB time=00:00:05.43 bitrate=54165.0kbits/frame=  143 fps= 25
 q=1.0 size=   40363kB time=00:00:06.04 bitrate=54719.4kbits/frame=  158
 fps= 25 q=1.0 size=   44717kB time=00:00:06.68 bitrate=54816.5kbits/frame=
 173 fps= 26 q=1.0 size=   49096kB time=00:00:07.29
 bitrate=55165.1kbits/frame=  179 fps= 26 q=1.0 Lsize=   51145kB
 time=00:00:07.45 bitrate=56234.1kbits/s speed=1.08x
 video:47244kB audio:175kB subtitle:0kB other streams:0kB global
 headers:0kB muxing overhead: 7.857729%
 }}}

 I don't know if it should still considered a bug or not.

--
Ticket URL: <https://trac.ffmpeg.org/ticket/5124#comment:8>
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