[FFmpeg-trac] #1187(avcodec:new): WMV video does not seek correctly in Windows Media Player on Windows 7

[FFmpeg]

#1187: WMV video does not seek correctly in Windows Media Player on Windows 7
-------------------------------------+-----------------------------------
             Reporter:  vpi          |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:  avcodec
              Version:  unspecified  |               Resolution:
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-----------------------------------

Comment (by vpi):

 Here is the console output with verbose logging:

 ffmpeg -v 9 -loglevel 99 -i seeks_fine.wmv -vcodec copy seeks_delayed.wmv


 {{{
 ffmpeg version N-36635-gceb0dd9 Copyright (c) 2000-2012 the FFmpeg
 developers
   built on Jan  9 2012 17:42:37 with gcc 4.6.2
   configuration: --disable-static --enable-shared --enable-gpl --enable-
 version3 --disable-w32threads --enable-runtime-cpudetect --enable-avisynth
 --enable-bzlib --enable-frei0r --enable-libopencore-amrnb --enable-
 libopencore-amrwb --enable-libfreetype --enable-libgsm --enable-libmp3lame
 --enable-libopenjpeg --enable-librtmp --enable-libschroedinger --enable-
 libspeex --enable-libtheora --enable-libvo-aacenc --enable-libvo-amrwbenc
 --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxavs
 --enable-libxvid --enable-zlib
   libavutil      51. 34.100 / 51. 34.100
   libavcodec     53. 54.100 / 53. 54.100
   libavformat    53. 29.100 / 53. 29.100
   libavdevice    53.  4.100 / 53.  4.100
   libavfilter     2. 58.100 /  2. 58.100
   libswscale      2.  1.100 /  2.  1.100
   libswresample   0.  6.100 /  0.  6.100
   libpostproc    51.  2.100 / 51.  2.100
 [asf @ 003EA060] Format asf probed with size=2048 and score=100
 [asf @ 003EA060] Unsupported value type 1 in tag ASFLeakyBucketPairs.
 [asf @ 003EA060] gpos mismatch our pos=24, end=104
 [asf @ 003EA060] gpos mismatch our pos=24, end=26
 [asf @ 003EA060] gpos mismatch our pos=24, end=1536
 [asf @ 003EA060] gpos mismatch our pos=24, end=34
 [asf @ 003EA060] gpos mismatch our pos=24, end=32
 [wmv1 @ 00B25B40] err{or,}_recognition separate: 1; 1
 [wmv1 @ 00B25B40] err{or,}_recognition combined: 1; 10001
 [wmv1 @ 00B25B40] Unsupported bit depth: 0
 [asf @ 003EA060] All info found
 Input #0, asf, from 'C:\Documents and Settings\rp\Desktop\PCI
 Scrubbing\seeks_fine.wmv':
   Metadata:
     WMFSDKVersion   : 9.00.00.3250
     WMFSDKNeeded    : 0.0.0.0000
     IsVBR           : 1
     VBR Peak        : 1045
     Buffer Average  : 2090
   Duration: 00:00:56.00, start: 0.000000, bitrate: 31 kb/s
     Stream #0:0(eng), 41, 1/1000: Video: wmv1 (WMV1 / 0x31564D57),
 yuv420p, 1024x768, 1/1000, 29 kb/s, 1 tbr, 1k tbn, 1k tbc
 Output #0, asf, to 'C:\Documents and Settings\rp\Desktop\PCI
 Scrubbing\seeks_delayed.wmv':
   Metadata:
     WMFSDKVersion   : 9.00.00.3250
     WMFSDKNeeded    : 0.0.0.0000
     IsVBR           : 1
     VBR Peak        : 1045
     Buffer Average  : 2090
     WM/EncodingSettings: Lavf53.29.100
     Stream #0:0(eng), 0, 1/1000: Video: wmv1 (WMV1 / 0x31564D57), yuv420p,
 1024x768, 1/1000, q=2-31, 29 kb/s, 1k tbn, 1k tbc
 Stream mapping:
   Stream #0:0 -> #0:0 (copy)
 Press [q] to stop, [?] for help
 frame=   57 fps=  0 q=-1.0 Lsize=     214kB time=00:00:56.00 bitrate=
 31.2kbits/s
 video:208kB audio:0kB global headers:0kB muxing overhead 2.746522%
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1187#comment:1>
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