[FFmpeg-trac] #386(undetermined:new): Missing audio and subtitle streams in vob file

FFmpeg trac at avcodec.org
Mon Aug 8 22:59:27 CEST 2011


#386: Missing audio and subtitle streams in vob file
--------------------------+--------------------------
 Reporter:  Aztek         |        Type:  defect
   Status:  new           |    Priority:  normal
Component:  undetermined  |     Version:  unspecified
 Keywords:                |  Blocked By:
 Blocking:                |  Reproduced:  0
 Analyzed:  0             |
--------------------------+--------------------------
 ==Problem==
 I want to transcode a VOB into x264 on a headless Debian stable server.
 `mediainfo` reports a number of audio tracks and subtitle streams.
 `ffprobe` (and `ffmpeg`) reports no audio nor subtitle stream.

 I'd like to provide the VOB file but I can't for legal reasons. I tried to
 cut the file (with `dd`) to give a "small sample" but `ffprobe` behaviour
 seems to depend on the length of the resulting VOB file (with 10MB, all
 the audio streams are found but non of the subtitles streams for instance;
 at 500MB, just one audio stream is available).

 `ffplay` can successfully play the file but I am not sure I can actually
 choose the audio stream I want.

 I can provide anything you might consider usefull.

 Thanks for your help.

 ==Important note==
 I am sure all the VOB files I concatenated actually contained parts of the
 movie (all of those were needed otherwise parts of the movie just
 disappear).
 `mediainfo` reports a menu stream (and that might be the reason why
 `ffprobe` reports wrong streams). But as I said, every VOB files I used
 are needed.

 So, if you know any way to extract precisely menu-related stuff from the
 VOB, please let me know. (I'd like to avoid mplayer or avidemux: those
 depend on too many useless things like dbus or avahi)


 ==Software version==
 ffprobe 0.8
 libavutil    51.  9. 1
 libavcodec   53.  7. 0
 libavformat  53.  4. 0
 libavdevice  53.  1. 1
 libavfilter   2. 23. 0
 libswscale    2.  0. 0
 libpostproc  51.  2. 0
 (also tried with ffmpeg v.8.0.1 from Debian unstable, same result with the
 same files so I reverted)
 MediaInfoLib - v0.7.47

 ==ffprobe output==
 (same result with ffmpeg v. 8.0.1)
 {{{
 $ffprobe FULLVOB.vob
 ffprobe version 0.8, Copyright (c) 2007-2011 the FFmpeg developers
   built on Jul 22 2011 16:19:50 with gcc 4.6.1
   configuration: --prefix=/usr --extra-cflags='-Wall -g ' --cc='ccache cc'
 --enable-shared --enable-libmp3lame --enable-gpl --enable-nonfree
 --enable-libdirac --disable-decoder=libdirac --enable-libvorbis --enable-
 pthreads --enable-libfaac --enable-libxvid --enable-postproc --enable-
 x11grab --enable-libgsm --enable-libtheora --enable-libopencore-amrnb
 --enable-libopencore-amrwb --enable-libx264 --enable-libspeex --enable-
 nonfree --disable-stripping --enable-libschroedinger --disable-
 encoder=libschroedinger --enable-version3 --enable-libopenjpeg --enable-
 libvpx --enable-librtmp --enable-avfilter --enable-frei0r --enable-
 libopencv --enable-libfreetype --enable-libvo-aacenc --enable-libvo-
 amrwbenc --libdir=/usr/lib/x86_64-linux-gnu --enable-libdc1394 --disable-
 altivec --disable-armv5te --disable-armv6 --disable-vis
 --shlibdir=/usr/lib/x86_64-linux-gnu
   libavutil    51.  9. 1 / 51.  9. 1
   libavcodec   53.  7. 0 / 53.  7. 0
   libavformat  53.  4. 0 / 53.  4. 0
   libavdevice  53.  1. 1 / 53.  1. 1
   libavfilter   2. 23. 0 /  2. 23. 0
   libswscale    2.  0. 0 /  2.  0. 0
   libpostproc  51.  2. 0 / 51.  2. 0
 [mpeg @ 0x1496440] max_analyze_duration reached
 Input #0, mpeg, from 'FULLVOB.vob':
   Duration: 00:00:31.88, start: 0.162622, bitrate: 1284320 kb/s
     Stream #0.0[0x1e0]: Video: mpeg2video, yuv420p, 720x480 [PAR 32:27 DAR
 16:9], 5500 kb/s, 29.97 fps, 29.97 tbr, 90k tbn, 59.94 tbc
 }}}


 ==mediainfo output==
 {{{
 $ mediainfo FULLVOB.vob
 General
 Complete name                    : FULLVOB.vob
 Format                           : MPEG-PS
 File size                        : 4.77 GiB
 Duration                         : 1h 13mn
 Overall bit rate                 : 9 334 Kbps

 Video
 ID                               : 224 (0xE0)
 Format                           : MPEG Video
 Format version                   : Version 2
 Format profile                   : Main at Main
 Format settings, BVOP            : Yes
 Format settings, Matrix          : Default
 Format settings, GOP             : M=3, N=15
 Duration                         : 1h 13mn
 Bit rate                         : 7 997 Kbps
 Maximum bit rate                 : 5 500 Kbps
 Width                            : 720 pixels
 Height                           : 480 pixels
 Display aspect ratio             : 16:9
 Frame rate                       : 29.970 fps
 Standard                         : NTSC
 Color space                      : YUV
 Chroma subsampling               : 4:2:0
 Bit depth                        : 8 bits
 Scan type                        : Interlaced
 Scan order                       : Top Field First
 Compression mode                 : Lossy
 Bits/(Pixel*Frame)               : 0.772
 Stream size                      : 4.08 GiB (86%)

 Audio #1
 ID                               : 189 (0xBD)-128 (0x80)
 Format                           : AC-3
 Format/Info                      : Audio Coding 3
 Mode extension                   : CM (complete main)
 Muxing mode                      : DVD-Video
 Duration                         : 7s 631ms
 Bit rate mode                    : Constant
 Bit rate                         : 384 Kbps
 Channel(s)                       : 6 channels
 Channel positions                : Front: L C R, Side: L R, LFE
 Sampling rate                    : 48.0 KHz
 Bit depth                        : 16 bits
 Compression mode                 : Lossy
 Delay relative to video          : -118ms
 Stream size                      : 358 KiB (0%)

 Audio #2
 ID                               : 189 (0xBD)-129 (0x81)
 Format                           : AC-3
 Format/Info                      : Audio Coding 3
 Mode extension                   : CM (complete main)
 Muxing mode                      : DVD-Video
 Duration                         : 14s 689ms
 Bit rate mode                    : Constant
 Bit rate                         : 192 Kbps
 Channel(s)                       : 1 channel
 Channel positions                : Front: C
 Sampling rate                    : 48.0 KHz
 Bit depth                        : 16 bits
 Compression mode                 : Lossy
 Delay relative to video          : -118ms
 Stream size                      : 344 KiB (0%)

 Audio #3
 ID                               : 189 (0xBD)-130 (0x82)
 Format                           : AC-3
 Format/Info                      : Audio Coding 3
 Mode extension                   : CM (complete main)
 Muxing mode                      : DVD-Video
 Duration                         : 14s 689ms
 Bit rate mode                    : Constant
 Bit rate                         : 192 Kbps
 Channel(s)                       : 1 channel
 Channel positions                : Front: C
 Sampling rate                    : 48.0 KHz
 Bit depth                        : 16 bits
 Compression mode                 : Lossy
 Delay relative to video          : -118ms
 Stream size                      : 344 KiB (0%)

 Audio #4
 ID                               : 189 (0xBD)-131 (0x83)
 Format                           : AC-3
 Format/Info                      : Audio Coding 3
 Mode extension                   : CM (complete main)
 Muxing mode                      : DVD-Video
 Duration                         : 14s 689ms
 Bit rate mode                    : Constant
 Bit rate                         : 192 Kbps
 Channel(s)                       : 1 channel
 Channel positions                : Front: C
 Sampling rate                    : 48.0 KHz
 Bit depth                        : 16 bits
 Compression mode                 : Lossy
 Delay relative to video          : -118ms
 Stream size                      : 344 KiB (0%)

 Audio #5
 ID                               : 189 (0xBD)-132 (0x84)
 Format                           : AC-3
 Format/Info                      : Audio Coding 3
 Format profile                   : Dolby Digital
 Mode extension                   : CM (complete main)
 Muxing mode                      : DVD-Video
 Duration                         : 6s 131ms
 Bit rate mode                    : Constant
 Bit rate                         : 192 Kbps
 Channel(s)                       : 2 channels
 Channel positions                : Front: L R
 Sampling rate                    : 48.0 KHz
 Bit depth                        : 16 bits
 Compression mode                 : Lossy
 Delay relative to video          : -117ms
 Stream size                      : 144 KiB (0%)

 Text #1
 ID                               : 189 (0xBD)-32 (0x20)
 Format                           : RLE
 Format/Info                      : Run-length encoding
 Muxing mode                      : DVD-Video
 Delay relative to video          : -118ms

 Text #2
 ID                               : 189 (0xBD)-34 (0x22)
 Format                           : RLE
 Format/Info                      : Run-length encoding
 Muxing mode                      : DVD-Video
 Delay relative to video          : -118ms

 Text #3
 ID                               : 189 (0xBD)-36 (0x24)
 Format                           : RLE
 Format/Info                      : Run-length encoding
 Muxing mode                      : DVD-Video
 Delay relative to video          : -118ms

 Text #4
 ID                               : 189 (0xBD)-38 (0x26)
 Format                           : RLE
 Format/Info                      : Run-length encoding
 Muxing mode                      : DVD-Video
 Delay relative to video          : -118ms

 Text #5
 ID                               : 224 (0xE0)-DVD-2
 Format                           : EIA-608
 Muxing mode                      : DVD-Video
 Muxing mode, more info           : Muxed in Video #1
 Stream size                      : 0.00 Byte (0%)

 Menu
 }}}


 ==mediainfo detailed output==
 input:
 mediainfo --Full FULLVOB.vob

 In the file attached to this ticket.

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/386>
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