[FFmpeg-trac] #3199(avformat:new): duration incorrect for mpeg file

[FFmpeg]

#3199: duration incorrect for mpeg file
------------------------------------+------------------------------------
             Reporter:  DonMoir     |                    Owner:
                 Type:  defect      |                   Status:  new
             Priority:  normal      |                Component:  avformat
              Version:  git-master  |               Resolution:
             Keywords:  mpegps      |               Blocked By:
             Blocking:              |  Reproduced by developer:  0
Analyzed by developer:  0           |
------------------------------------+------------------------------------
Changes (by cehoyos):

 * keywords:   => mpegps
 * version:  unspecified => git-master
 * component:  undetermined => avformat


Comment:

 {{{
 $ ffmpeg -i dolbycity.vob -f null -
 ffmpeg version N-58755-gaf7562a Copyright (c) 2000-2013 the FFmpeg
 developers
   built on Dec  5 2013 23:36:29 with gcc 4.7 (SUSE Linux)
   configuration: --enable-gpl
   libavutil      52. 56.100 / 52. 56.100
   libavcodec     55. 45.100 / 55. 45.100
   libavformat    55. 22.100 / 55. 22.100
   libavdevice    55.  5.102 / 55.  5.102
   libavfilter     3. 91.100 /  3. 91.100
   libswscale      2.  5.101 /  2.  5.101
   libswresample   0. 17.104 /  0. 17.104
   libpostproc    52.  3.100 / 52.  3.100
 Input #0, mpeg, from 'dolbycity.vob':
   Duration: 00:00:31.78, start: 0.049756, bitrate: 5291 kb/s
     Stream #0:0[0x1bf]: Data: dvd_nav_packet
     Stream #0:1[0x1e0]: Video: mpeg2video (Main), yuv420p(tv), 720x576
 [SAR 16:15 DAR 4:3], max. 9800 kb/s, 25 fps, 25 tbr, 90k tbn, 50 tbc
     Stream #0:2[0x80]: Audio: ac3, 48000 Hz, 5.1(side), fltp, 384 kb/s
 Output #0, null, to 'pipe:':
   Metadata:
     encoder         : Lavf55.22.100
     Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 720x576
 [SAR 16:15 DAR 4:3], q=2-31, 200 kb/s, 90k tbn, 25 tbc
     Stream #0:1: Audio: pcm_s16le, 48000 Hz, 5.1(side), s16, 4608 kb/s
 Stream mapping:
   Stream #0:1 -> #0:0 (mpeg2video -> rawvideo)
   Stream #0:2 -> #0:1 (ac3 -> pcm_s16le)
 Press [q] to stop, [?] for help
 [null @ 0x215ee20] Encoder did not produce proper pts, making some up.
 frame=  800 fps=0.0 q=0.0 Lsize=N/A time=00:00:32.00 bitrate=N/A
 video:75kB audio:17892kB subtitle:0 global headers:0kB muxing overhead
 -100.000120%
 }}}

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Ticket URL: <https://trac.ffmpeg.org/ticket/3199#comment:1>
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