[FFmpeg-trac] #2557(avcodec:open): vc1 visible decoding error

[FFmpeg]

#2557: vc1 visible decoding error
------------------------------------+-----------------------------------
             Reporter:  compn       |                    Owner:
                 Type:  defect      |                   Status:  open
             Priority:  normal      |                Component:  avcodec
              Version:  git-master  |               Resolution:
             Keywords:  vc1         |               Blocked By:
             Blocking:              |  Reproduced by developer:  1
Analyzed by developer:  0           |
------------------------------------+-----------------------------------
Description changed by cehoyos:

Old description:

> http://www36.zippyshare.com/v/73283608/file.html
>
> H:\>y:\ffmpeg -i glitch-ffvc1.avi out.avi
> ffmpeg version N-52523-g0fb64da Copyright (c) 2000-2013 the FFmpeg
> developers
>   built on Apr 28 2013 00:01:23 with gcc 4.7.3 (GCC)
>   configuration: --enable-gpl --enable-version3 --disable-w32threads
> --enable-avisynth --enable-bzli
> b --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv
> --enable-libass --enable-libblu
> ray --enable-libcaca --enable-libfreetype --enable-libgsm --enable-
> libilbc --enable-libmp3lame --ena
> ble-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg
> --enable-libopus --enable-libr
> tmp --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-
> libtheora --enable-libtwola
> me --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis
> --enable-libvpx --enable-libx264
>  --enable-libxavs --enable-libxvid --enable-zlib
>   libavutil      52. 27.101 / 52. 27.101
>   libavcodec     55.  6.100 / 55.  6.100
>   libavformat    55.  3.100 / 55.  3.100
>   libavdevice    55.  0.100 / 55.  0.100
>   libavfilter     3. 61.100 /  3. 61.100
>   libswscale      2.  2.100 /  2.  2.100
>   libswresample   0. 17.102 /  0. 17.102
>   libpostproc    52.  3.100 / 52.  3.100
> Input #0, avi, from 'glitch-ffvc1.avi':
>   Metadata:
>     encoder         : mkvextract 6.1.0
>   Duration: 00:00:02.24, start: 0.000000, bitrate: 22457 kb/s
>     Stream #0:0: Video: vc1 (Advanced) (WVC1 / 0x31435657), yuv420p,
> 1920x1080 [SAR 1:1 DAR 16:9], 2
> 5 tbr, 25 tbn, 50 tbc
> Output #0, avi, to 'out.avi':
>   Metadata:
>     ISFT            : Lavf55.3.100
>     Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 1920x1080
> [SAR 1:1 DAR 16:9], q=2-31, 20
> 0 kb/s, 25 tbn, 25 tbc
> Stream mapping:
>   Stream #0:0 -> #0:0 (vc1 -> mpeg4)
> Press [q] to stop, [?] for help
> frame=   56 fps= 14 q=31.0 Lsize=    1116kB time=00:00:02.28
> bitrate=4009.7kbits/s
> video:1109kB audio:0kB subtitle:0 global headers:0kB muxing overhead
> 0.630242%

New description:

 http://www36.zippyshare.com/v/73283608/file.html
 {{{
 H:\>y:\ffmpeg -i glitch-ffvc1.avi out.avi
 ffmpeg version N-52523-g0fb64da Copyright (c) 2000-2013 the FFmpeg
 developers
   built on Apr 28 2013 00:01:23 with gcc 4.7.3 (GCC)
   configuration: --enable-gpl --enable-version3 --disable-w32threads
 --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r
 --enable-gnutls --enable-iconv --enable-libass --enable-libbluray
 --enable-libcaca --enable-libfreetype --enable-libgsm --enable-libilbc
 --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb
 --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-
 libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora
 --enable-libtwolame --enable-libvo-aacenc --enable-libvo-amrwbenc
 --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxavs
 --enable-libxvid --enable-zlib
   libavutil      52. 27.101 / 52. 27.101
   libavcodec     55.  6.100 / 55.  6.100
   libavformat    55.  3.100 / 55.  3.100
   libavdevice    55.  0.100 / 55.  0.100
   libavfilter     3. 61.100 /  3. 61.100
   libswscale      2.  2.100 /  2.  2.100
   libswresample   0. 17.102 /  0. 17.102
   libpostproc    52.  3.100 / 52.  3.100
 Input #0, avi, from 'glitch-ffvc1.avi':
   Metadata:
     encoder         : mkvextract 6.1.0
   Duration: 00:00:02.24, start: 0.000000, bitrate: 22457 kb/s
     Stream #0:0: Video: vc1 (Advanced) (WVC1 / 0x31435657), yuv420p,
 1920x1080 [SAR 1:1 DAR 16:9], 25 tbr, 25 tbn, 50 tbc
 Output #0, avi, to 'out.avi':
   Metadata:
     ISFT            : Lavf55.3.100
     Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 1920x1080 [SAR
 1:1 DAR 16:9], q=2-31, 200 kb/s, 25 tbn, 25 tbc
 Stream mapping:
   Stream #0:0 -> #0:0 (vc1 -> mpeg4)
 Press [q] to stop, [?] for help
 frame=   56 fps= 14 q=31.0 Lsize=    1116kB time=00:00:02.28
 bitrate=4009.7kbits/s
 video:1109kB audio:0kB subtitle:0 global headers:0kB muxing overhead
 0.630242%
 }}}

--

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2557#comment:2>
FFmpeg <http://ffmpeg.org>
FFmpeg issue tracker