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

FFmpeg trac at avcodec.org
Thu Jan 19 12:36:42 EET 2017

#386: Missing audio and subtitle streams in vob file
             Reporter:  Aztek        |                    Owner:
                 Type:  defect       |                   Status:  closed
             Priority:  normal       |                Component:
              Version:  unspecified  |  undetermined
             Keywords:  mpegps       |               Resolution:
             Blocking:               |  needs_more_info
Analyzed by developer:  0            |               Blocked By:
                                     |  Reproduced by developer:  0

Comment (by Cigaes):

 This is the normal behaviour for VOB files, since they do not have a
 global declaration of the available streams, streams must be discovered by
 reading the file until a packet is found; for subtitles it can happen very

 Furthermore, you are wrong using the VTS_XX_Y.VOB files directly. These
 files contain several contents glued together, and can only be exploited
 by software aware of the DVD structure.

Ticket URL: <https://trac.ffmpeg.org/ticket/386#comment:27>
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