[FFmpeg-trac] #710(avcodec:open): vqavideo codec playback corruption

[FFmpeg]

#710: vqavideo codec playback corruption
------------------------------------+-----------------------------------
             Reporter:  richardpl   |                    Owner:
                 Type:  defect      |                   Status:  open
             Priority:  normal      |                Component:  avcodec
              Version:  git-master  |               Resolution:
             Keywords:  vqa         |               Blocked By:
             Blocking:              |  Reproduced by developer:  1
Analyzed by developer:  0           |
------------------------------------+-----------------------------------
Changes (by cehoyos):

 * keywords:   => vqa
 * status:  new => open
 * reproduced:  0 => 1


Comment:

 out.avi looks very broken...
 {{{
 $ ffmpeg -loglevel 99 -i B0EB8711.VQA -an -qscale 2 out.avi
 ffmpeg version N-35464-g4547d88, Copyright (c) 2000-2011 the FFmpeg
 developers
   built on Dec  5 2011 23:59:08 with gcc 4.5.3
   configuration: --cc=/usr/local/gcc-4.5.3/bin/gcc
   libavutil    51. 30. 0 / 51. 30. 0
   libavcodec   53. 40. 0 / 53. 40. 0
   libavformat  53. 24. 0 / 53. 24. 0
   libavdevice  53.  4. 0 / 53.  4. 0
   libavfilter   2. 51. 0 /  2. 51. 0
   libswscale    2.  1. 0 /  2.  1. 0
 [wsvqa @ 0x13a27a0] Format wsvqa probed with size=2048 and score=100
 [vqavideo @ 0x13a8b80] err{or,}_recognition separate: 1; 1
 [vqavideo @ 0x13a8b80] err{or,}_recognition combined: 1; 65537
 [adpcm_ima_ws @ 0x13a9360] err{or,}_recognition separate: 1; 1
 [adpcm_ima_ws @ 0x13a9360] err{or,}_recognition combined: 1; 65537
 [wsvqa @ 0x13a27a0] max_analyze_duration 5000000 reached at 5000000
 [wsvqa @ 0x13a27a0] Estimating duration from bitrate, this may be
 inaccurate
 Input #0, wsvqa, from 'B0EB8711.VQA':
   Duration: 00:25:09.33, bitrate: 88 kb/s
     Stream #0:0, 77, 1/15: Video: ws_vqa, pal8, 640x400, 1/15, 15 fps, 15
 tbr, 15 tbn, 15 tbc
     Stream #0:1, 0, 1/15: Audio: adpcm_ima_ws, 22050 Hz, 1 channels, s16,
 88 kb/s
 Incompatible pixel format 'pal8' for codec 'mpeg4', auto-selecting format
 'yuv420p'
 [buffer @ 0x13a7340] w:640 h:400 pixfmt:pal8 tb:1/1000000 sar:0/1
 sws_param:
 [buffersink @ 0x13a7740] auto-inserting filter 'auto-inserted scale 0'
 between the filter 'src' and the filter 'out'
 [scale @ 0x13a7f60] w:640 h:400 fmt:pal8 -> w:640 h:400 fmt:yuv420p
 flags:0x4
 [mpeg4 @ 0x13a3080] err{or,}_recognition separate: 1; 1
 [mpeg4 @ 0x13a3080] err{or,}_recognition combined: 1; 65537
 [mpeg4 @ 0x13a3080] intra_quant_bias = 0 inter_quant_bias = -64
 [mpeg4 @ 0x13a3080] Unsupported bit depth: 0
 [vqavideo @ 0x13a8b80] err{or,}_recognition separate: 1; 65537
 [vqavideo @ 0x13a8b80] err{or,}_recognition combined: 1; 65537
 Output #0, avi, to 'out.avi':
   Metadata:
     ISFT            : Lavf53.24.0
     Stream #0:0, 0, 1/15: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p,
 640x400, 1/15, q=2-31, 200 kb/s, 15 tbn, 15 tbc
 Stream mapping:
   Stream #0:0 -> #0:0 (vqavideo -> mpeg4)
 Press [q] to stop, [?] for help
 frame=  699 fps=160 q=2.0 Lsize=   74932kB time=00:00:46.60
 bitrate=13172.5kbits/s
 video:74909kB audio:0kB global headers:0kB muxing overhead 0.029727%
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/710#comment:4>
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