[FFmpeg-trac] #3594(avcodec:new): Green artefacts when decoding svq1

FFmpeg trac at avcodec.org
Sat Apr 26 23:39:32 CEST 2014


#3594: Green artefacts when decoding svq1
-------------------------------------+-------------------------------------
               Reporter:  cehoyos    |                  Owner:
                   Type:  defect     |                 Status:  new
               Priority:  important  |              Component:  avcodec
                Version:  git-       |               Keywords:  svq1
  master                             |  regression
             Blocked By:             |               Blocking:
Reproduced by developer:  0          |  Analyzed by developer:  0
-------------------------------------+-------------------------------------
 (videolan ticket 11351)

 A user uploaded a svq1 sample that shows green artefacts since a05a44e2
 {{{
 $ ffmpeg -i Chrono\ Trigger\ -\ Ending\ 2.mov -an out.avi
 ffmpeg version N-62727-g66e30a2 Copyright (c) 2000-2014 the FFmpeg
 developers
   built on Apr 26 2014 23:35:28 with gcc 4.7 (SUSE Linux)
   configuration: --enable-gpl
   libavutil      52. 79.100 / 52. 79.100
   libavcodec     55. 59.100 / 55. 59.100
   libavformat    55. 37.101 / 55. 37.101
   libavdevice    55. 13.100 / 55. 13.100
   libavfilter     4.  4.100 /  4.  4.100
   libswscale      2.  6.100 /  2.  6.100
   libswresample   0. 18.100 /  0. 18.100
   libpostproc    52.  3.100 / 52.  3.100
 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'Chrono Trigger - Ending 2.mov':
   Metadata:
     creation_time   : 1999-11-09 18:32:04
     copyright       : © 1999 Squarenet (Squarenet.org)
     copyright-eng   : © 1999 Squarenet (Squarenet.org)
     title           : Squarenet.org
     title-eng       : Squarenet.org
     comment         : Created for use on squarenet.org only.
     comment-eng     : Created for use on squarenet.org only.
   Duration: 00:00:31.40, start: 0.503333, bitrate: 407 kb/s
     Stream #0:0(eng): Video: svq1 (SVQ1 / 0x31515653), yuv410p, 293x178,
 360 kb/s, 10.02 fps, 10 tbr, 600 tbn, 600 tbc (default)
     Metadata:
       creation_time   : 1999-11-09 18:32:04
       handler_name    : Apple Alias Data Handler
     Stream #0:1(eng): Audio: qdm2 (QDM2 / 0x324D4451), 44100 Hz, stereo,
 s16, 32 kb/s (default)
     Metadata:
       creation_time   : 1999-11-09 18:32:04
       handler_name    : Apple Alias Data Handler
 Output #0, avi, to 'out.avi':
   Metadata:
     comment-eng     : Created for use on squarenet.org only.
     ICOP            : © 1999 Squarenet (Squarenet.org)
     copyright-eng   : © 1999 Squarenet (Squarenet.org)
     INAM            : Squarenet.org
     title-eng       : Squarenet.org
     ICMT            : Created for use on squarenet.org only.
     ISFT            : Lavf55.37.101
     Stream #0:0(eng): Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 293x178,
 q=2-31, 200 kb/s, 10 tbn, 10 tbc (default)
     Metadata:
       creation_time   : 1999-11-09 18:32:04
       handler_name    : Apple Alias Data Handler
 Stream mapping:
   Stream #0:0 -> #0:0 (svq1 -> mpeg4)
 Press [q] to stop, [?] for help
 frame=  325 fps=0.0 q=2.0 Lsize=     883kB time=00:00:32.50 bitrate=
 222.7kbits/s
 video:870kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: 1.541926%
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/3594>
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