[FFmpeg-trac] #3400(avcodec:new): libavcodec: cavs decoder bug when decoding multi-sliced chinese avs streams

[FFmpeg]

#3400: libavcodec: cavs decoder bug when decoding  multi-sliced chinese avs
streams
-------------------------------------+-------------------------------------
             Reporter:  coolfat      |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:  avcodec      |                  Version:
             Keywords:  libavcodec   |  unspecified
  cavs                               |               Blocked By:
             Blocking:               |  Reproduced by developer:  1
Analyzed by developer:  1            |
-------------------------------------+-------------------------------------
 Summary of the bug:
 libavcodec: cavs decoder bug when decoding  multi-sliced chinese avs
 streams
 How to reproduce:
 {{{
 % ffmpeg -i akiyo_cif.avs akiyo_cif.yuv
 avconv version 9_beta3, Copyright (c) 2000-2012 the Libav developers
   built on Jan 15 2014 09:45:40 with gcc 4.3.3 (Ubuntu 4.3.3-5ubuntu4)
 Illegal intra prediction mode
     Last message repeated 13 times
 [cavs @ 0x9cf0ec0] illegal intra chroma pred mode
     Last message repeated 4 times
 [cavsvideo @ 0x9cef000] max_analyze_duration reached
 [cavsvideo @ 0x9cef000] Estimating duration from bitrate, this may be
 inaccurate
 Input #0, cavsvideo, from '/home/samba_share/hfxing/akiyo_cif.avs':
   Duration: N/A, bitrate: N/A
     Stream #0.0: Video: cavs, yuv420p, 352x288, 25 fps, 25 tbr, 25 tbn, 25
 tbc
 File '/home/samba_share/hfxing/akiyo_cif.yuv' already exists. Overwrite ?
 [y/N] y
 Output #0, rawvideo, to '/home/samba_share/hfxing/akiyo_cif.yuv':
   Metadata:
     encoder         : Lavf54.20.0
     Stream #0.0: Video: rawvideo, yuv420p, 352x288, q=2-31, 200 kb/s, 90k
 tbn, 25 tbc
 Stream mapping:
   Stream #0:0 -> #0:0 (cavs -> rawvideo)
 Press ctrl-c to stop encoding
 Illegal intra prediction mode
     Last message repeated 13 times
 [cavs @ 0x9cf0ec0] illegal intra chroma pred mode
     Last message repeated 4 times
 [cavs @ 0x9cf0ec0] position out of block bounds at pic 6 MB(3,9)
 Illegal intra prediction mode
 [cavs @ 0x9cf0ec0] position out of block bounds at pic 6 MB(6,9)
 [cavs @ 0x9cf0ec0] position out of block bounds at pic 6 MB(8,12)
 ..........
 }}}
 Patches should be submitted to the ffmpeg-devel mailing list and not this
 bug tracker.

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Ticket URL: <https://trac.ffmpeg.org/ticket/3400>
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