[FFmpeg-user] How to extract DVD subtitle from this VOB file?

[Adi Marvillo]

Am 2018-03-15 um 11:05 schrieb Farhad Mohammadi Majd:
> at 2018 Mar 13 18:19:45, Adi Marvillo wrote:
>
>> I can't support you with anything with this information. Please
>> provide
>> [code] ffprobe stream.dump [/code]. Look the used ffmpeg codecs
>> (libx264) up in the Documentation. cheers
> [code]
> $ ffprobe stream.dump 
> ffprobe version 3.2.10-1~deb9u1 Copyright (c) 2007-2018 the FFmpeg
> developers
>   built with gcc 6.3.0 (Debian 6.3.0-18) 20170516
>   configuration: --prefix=/usr --extra-version='1~deb9u1' --
> toolchain=hardened --libdir=/usr/lib/i386-linux-gnu --
> incdir=/usr/include/i386-linux-gnu --enable-gpl --disable-stripping --
> enable-avresample --enable-avisynth --enable-gnutls --enable-ladspa --
> enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --
> enable-libcdio --enable-libebur128 --enable-libflite --enable-
> libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme
> --enable-libgsm --enable-libmp3lame --enable-libopenjpeg --enable-
> libopenmpt --enable-libopus --enable-libpulse --enable-librubberband --
> enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex
> --enable-libssh --enable-libtheora --enable-libtwolame --enable-
> libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --
> enable-libx265 --enable-libxvid --enable-libzmq --enable-libzvbi --
> enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-
> libdc1394 --enable-libiec61883 --enable-chromaprint --enable-frei0r --
> enable-libopencv --enable-libx264 --enable-shared
>   libavutil      55. 34.101 / 55. 34.101
>   libavcodec     57. 64.101 / 57. 64.101
>   libavformat    57. 56.101 / 57. 56.101
>   libavdevice    57.  1.100 / 57.  1.100
>   libavfilter     6. 65.100 /  6. 65.100
>   libavresample   3.  1.  0 /  3.  1.  0
>   libswscale      4.  2.100 /  4.  2.100
>   libswresample   2.  3.100 /  2.  3.100
>   libpostproc    54.  1.100 / 54.  1.100
> Input #0, mpeg, from 'stream.dump':
>   Duration: 01:16:44.93, start: 0.040033, bitrate: 5392 kb/s
>     Stream #0:0[0x1e0]: Video: mpeg2video (Main), yuv420p(tv, top
> first), 720x480 [SAR 32:27 DAR 16:9], 29.67 fps, 59.94 tbr, 90k tbn,
> 59.94 tbc
>     Stream #0:1[0x80]: Audio: ac3, ....
> [/code]
>
> It is odd that mediainfo can't report anything about this file, even
> after changing its suffix to mpeg or vob.
>
> When I play it with MPV/SMplayer I can disable or select one from two
> available subtitles.
>
> THANKS
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This is your command:
*ffmpeg -i ./dump.stream -g 25 -keyint_min 3 -vf -aspect "16:9" -map v
-c:v libx264 -map a -c:a copy ./output.mkv
*ffprobe doesn't show a subtitle stream, don't know where it is... as
much as I know subtitles are streams as well. Let us know when you find
out.CU