[FFmpeg-trac] #2414(avcodec:new): wmv2 decoding bug...

FFmpeg trac at avcodec.org
Fri Mar 29 10:17:25 CET 2013


#2414: wmv2 decoding bug...
----------------------------------+--------------------------------------
             Reporter:  kyh96403  |                     Type:  defect
               Status:  new       |                 Priority:  important
            Component:  avcodec   |                  Version:  git-master
             Keywords:  wmv2      |               Blocked By:
             Blocking:            |  Reproduced by developer:  0
Analyzed by developer:  0         |
----------------------------------+--------------------------------------
 FFmpeg's wmv2 decoder make demaged picture at after 00:12:00.
 Error message is
 I7:3E/
 dc overflow- block: 4 qscale: 5//

 error while decoding intra block: 4 x 7 (4)
 Error at MB: 151
 concealing 160 DC, 160 AC, 160 MV errors in I frame
 ignoring overflow at 18 0
 ignoring overflow at 3 4
 ignoring overflow at 3 4
 ignoring overflow at 11 4
 ignoring overflow at 11 4
 ignoring overflow at 11 4
 ignoring overflow at 16 7
 ignoring overflow at 5 8
 ignoring overflow at 16 8
 ignoring overflow at 4 9
 ignoring overflow at 4 9
 ignoring overflow at 4 9
 ignoring overflow at 4 9
 ignoring overflow at 4 9
 ignoring overflow at 1 10
 ignoring overflow at 2 10
 ignoring overflow at 2 10
 ignoring overflow at 12 10
 ignoring overflow at 16 10
 ignoring overflow at 2 11
 ignoring overflow at 16 11
 ignoring overflow at 4 12
 ignoring overflow at 3 13
 ignoring overflow at 16 14

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2414>
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