[FFmpeg-trac] #2983(avcodec:new): support VP7 video

[FFmpeg]

#2983: support VP7 video
---------------------------------------+---------------------------------
               Reporter:  ubitux       |                  Owner:
                   Type:  enhancement  |                 Status:  new
               Priority:  normal       |              Component:  avcodec
                Version:  git-master   |               Keywords:  vp7
             Blocked By:               |               Blocking:
Reproduced by developer:  0            |  Analyzed by developer:  0
---------------------------------------+---------------------------------
 From: https://bugs.gentoo.org/show_bug.cgi?id=468406

 VP7 codec unsupported:
 {{{
 ☭ ./ffplay /tmp/vp7.mkv
 ffplay version N-56589-g9fedc8b Copyright (c) 2003-2013 the FFmpeg
 developers
   built on Sep 22 2013 13:59:40 with gcc 4.8.1 (GCC) 20130725 (prerelease)
   configuration: --enable-gpl --enable-version3 --enable-fontconfig
 --enable-libfreetype --enable-libmp3lame --enable-libvorbis --enable-
 libxvid --enable-libx264 --enable-libvpx --enable-libtheora --enable-
 x11grab --enable-libopenjpeg --enable-libass --enable-libmodplug --enable-
 libv4l2 --cc=colorgcc --samples=/home/ubitux/fate-samples
 --prefix=/tmp/ffinstall --disable-runtime-cpudetect --enable-libcelt
 --enable-libopencv --enable-frei0r --enable-libcaca --enable-libiec61883
 --enable-libopencore-amrwb --enable-libopencore-amrnb --enable-libopus
 --enable-libpulse --enable-libspeex --enable-libquvi --assert-level=2
 --enable-libzmq --enable-libschroedinger --cpu=native
   libavutil      52. 45.100 / 52. 45.100
   libavcodec     55. 33.100 / 55. 33.100
   libavformat    55. 18.100 / 55. 18.100
   libavdevice    55.  3.100 / 55.  3.100
   libavfilter     3. 86.102 /  3. 86.102
   libswscale      2.  5.100 /  2.  5.100
   libswresample   0. 17.103 /  0. 17.103
   libpostproc    52.  3.100 / 52.  3.100
 [matroska,webm @ 0x7f6990000940] Unknown/unsupported AVCodecID
 V_MS/VFW/FOURCC.
 [matroska,webm @ 0x7f6990000940] Could not find codec parameters for
 stream 0 (Video: none (VP70 / 0x30375056), 640x272): unknown codec
 Consider increasing the value for the 'analyzeduration' and 'probesize'
 options
 Input #0, matroska,webm, from '/tmp/vp7.mkv':
   Metadata:
     title           : Derailed
     creation_time   : 2006-05-30 22:37:13
   Duration: 01:42:04.12, start: 0.000000, bitrate: 1 kb/s
     Stream #0:0(eng): Video: none (VP70 / 0x30375056), 640x272, SAR 1:1
 DAR 40:17, 25 fps, 25 tbr, 1k tbn, 1k tbc (default)
     Stream #0:1(eng): Audio: vorbis, 48000 Hz, stereo, fltp (default)
 No codec could be found with id 0
 }}}

 Note: attached file is the same as {{{sample.avi}}} from the gentoo bug
 report, but with fixed extension.

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2983>
FFmpeg <http://ffmpeg.org>
FFmpeg issue tracker