[FFmpeg-trac] #3849(avcodec:open): ffvp9 fails to decode file libpvpx decodes just fine

[FFmpeg]

#3849: ffvp9 fails to decode file libpvpx decodes just fine
-------------------------------------+-----------------------------------
             Reporter:  jimbankoski  |                    Owner:
                 Type:  defect       |                   Status:  open
             Priority:  normal       |                Component:  avcodec
              Version:  git-master   |               Resolution:
             Keywords:  vp9          |               Blocked By:
             Blocking:               |  Reproduced by developer:  1
Analyzed by developer:  0            |
-------------------------------------+-----------------------------------
Changes (by ubitux):

 * keywords:   => vp9
 * status:  new => open
 * component:  undetermined => avcodec
 * reproduced:  0 => 1


Comment:

 Confirmed. Doesn't look ASM related.

 {{{
 [~/src/ffmpeg]☭ ./ffplay -cpuflags none
 /tmp/ffvp9_fails_where_libvpx.succeeds.webm
 ffplay version N-65523-g9a16214 Copyright (c) 2003-2014 the FFmpeg
 developers
   built on Aug 11 2014 20:39:35 with gcc 4.9.1 (GCC)
   configuration: --enable-gpl --enable-fontconfig --enable-libfreetype
 --enable-libmp3lame --enable-libvorbis --enable-libx264 --enable-libvpx
 --enable-x11grab --samples=/home/ubitux/fate-samples --assert-level=2
 --cc='ccache cc'
   libavutil      54.  1.100 / 54.  1.100
   libavcodec     56.  0.100 / 56.  0.100
   libavformat    56.  0.100 / 56.  0.100
   libavdevice    56.  0.100 / 56.  0.100
   libavfilter     5.  0.100 /  5.  0.100
   libswscale      3.  0.100 /  3.  0.100
   libswresample   1.  0.100 /  1.  0.100
   libpostproc    53.  0.100 / 53.  0.100
 Input #0, matroska,webm, from
 '/tmp/ffvp9_fails_where_libvpx.succeeds.webm':
   Metadata:
     encoder         : libwebm-0.2.1.0
   Duration: 00:00:26.20, start: 0.000000, bitrate: 800 kb/s
     Stream #0:0(eng): Video: vp9, yuv420p, 640x360, SAR 1:1 DAR 16:9, 30
 fps, 30 tbr, 1k tbn, 1k tbc (default)
 }}}

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Ticket URL: <https://trac.ffmpeg.org/ticket/3849#comment:1>
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