[FFmpeg-trac] #3428(avformat:open): WMV file has wrong length detected by ffprobe/ffmpeg

[FFmpeg]

#3428: WMV file has wrong length detected by ffprobe/ffmpeg
------------------------------------+------------------------------------
             Reporter:  boose       |                    Owner:
                 Type:  defect      |                   Status:  open
             Priority:  minor       |                Component:  avformat
              Version:  git-master  |               Resolution:
             Keywords:  asf         |               Blocked By:
             Blocking:              |  Reproduced by developer:  1
Analyzed by developer:  0           |
------------------------------------+------------------------------------
Changes (by cehoyos):

 * priority:  normal => minor
 * status:  new => open
 * version:  2.1.3 => git-master
 * component:  undetermined => avformat
 * reproduced:  0 => 1


Comment:

 For future tickets: Please always test current FFmpeg git head before
 reporting problems.

 MPlayer reports the correct length.
 {{{
 $ ffmpeg -i wmv_wrong_length_3428.wmv -f null -
 ffmpeg version N-61034-g7e268a8 Copyright (c) 2000-2014 the FFmpeg
 developers
   built on Mar  1 2014 19:53:29 with gcc 4.7 (SUSE Linux)
   configuration: --enable-gpl
   libavutil      52. 66.100 / 52. 66.100
   libavcodec     55. 52.102 / 55. 52.102
   libavformat    55. 33.100 / 55. 33.100
   libavdevice    55. 10.100 / 55. 10.100
   libavfilter     4.  2.100 /  4.  2.100
   libswscale      2.  5.101 /  2.  5.101
   libswresample   0. 18.100 /  0. 18.100
   libpostproc    52.  3.100 / 52.  3.100
 [asf @ 0x3235900] Estimating duration from bitrate, this may be inaccurate
 Guessed Channel Layout for  Input Stream #0.0 : stereo
 Input #0, asf, from 'wmv_wrong_length_3428.wmv':
   Metadata:
     date            : 2011
     WM/SeasonNumber : 8215
     WM/PartOfACompilation: 1
     artist          : Prof. Kenneth R. Bartlett
     WM/Year         : 2011
     title           : Lect.08 Christian Humanism
     album_artist    : Various Artists
     composer        : The Great Courses
     WM/URL          : http://www.thegreatcourses.com
     WM/UserWebURL   : http://www.thegreatcourses.com
     disc            : 1
     WM/ContentGroupDescription: Development of European Civilization
     WM/VideoKind    : 10
     WM/Show         : Development of European Civilization
     album           : Development of European Civilization
     genre           : Development of European Civilization
     copyright       : The Teaching Company, LLC
     track           : 08
     WM/EpisodeID    : Lect.08 Christian Humanism
     WM/EpisodeNumber: 8
   Duration: 00:21:36.74, start: 0.000000, bitrate: 2128 kb/s
     Stream #0:0: Audio: wmav2 (a[1][0][0] / 0x0161), 44100 Hz, stereo,
 fltp, 128 kb/s
     Stream #0:1: Video: wmv3 (Main) (WMV3 / 0x33564D57), yuv420p, 640x480,
 2000 kb/s, SAR 1:1 DAR 4:3, 29.97 tbr, 1k tbn, 1k tbc
     Stream #0:2: Video: mjpeg, yuvj444p(pc), 419x563 [SAR 96:96 DAR
 419:563], 90k tbr, 90k tbn, 90k tbc
     Metadata:
       title           :
       comment         : Other
     Stream #0:3: Video: mjpeg, yuvj444p(pc), 419x563 [SAR 96:96 DAR
 419:563], 90k tbr, 90k tbn, 90k tbc
     Metadata:
       comment         : Cover (front)
 Output #0, null, to 'pipe:':
   Metadata:
     date            : 2011
     WM/SeasonNumber : 8215
     WM/PartOfACompilation: 1
     artist          : Prof. Kenneth R. Bartlett
     WM/Year         : 2011
     title           : Lect.08 Christian Humanism
     album_artist    : Various Artists
     composer        : The Great Courses
     WM/URL          : http://www.thegreatcourses.com
     WM/UserWebURL   : http://www.thegreatcourses.com
     disc            : 1
     WM/ContentGroupDescription: Development of European Civilization
     WM/VideoKind    : 10
     WM/Show         : Development of European Civilization
     album           : Development of European Civilization
     genre           : Development of European Civilization
     copyright       : The Teaching Company, LLC
     track           : 08
     WM/EpisodeID    : Lect.08 Christian Humanism
     WM/EpisodeNumber: 8
     encoder         : Lavf55.33.100
     Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 640x480
 [SAR 1:1 DAR 4:3], q=2-31, 200 kb/s, 90k tbn, 29.97 tbc
     Stream #0:1: Audio: pcm_s16le, 44100 Hz, stereo, s16, 1411 kb/s
 Stream mapping:
   Stream #0:1 -> #0:0 (wmv3 -> rawvideo)
   Stream #0:0 -> #0:1 (wmav2 -> pcm_s16le)
 Press [q] to stop, [?] for help
 [null @ 0x32729e0] Encoder did not produce proper pts, making some up.
 frame=55107 fps=954 q=0.0 Lsize=N/A time=00:30:38.74 bitrate=N/A
 video:5166kB audio:316760kB subtitle:0 data:0 global headers:0kB muxing
 overhead -100.000008%
 }}}

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Ticket URL: <https://trac.ffmpeg.org/ticket/3428#comment:3>
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