[FFmpeg-trac] #897(undetermined:new): sunras: support 4bpp

[FFmpeg]

#897: sunras: support 4bpp
-------------------------------------+-------------------------------------
             Reporter:  ami_stuff    |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:
  undetermined                       |  unspecified
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 decodes with irfanview

 looks valid:

 http://www.leadtools.com/help/leadtools/v175/dh/to/leadtools.topics.leadtools~l.topics.fileformatssun.html

 {{{
 C:\>ffmpeg -i 4bpp.ras
 ffmpeg version N-36492-g7f83db3, Copyright (c) 2000-2012 the FFmpeg
 developers
   built on Jan  5 2012 01:57:12 with gcc 4.6.2
   configuration: --enable-gpl --enable-version3 --disable-w32threads
 --enable-ru
 ntime-cpudetect --enable-avisynth --enable-bzlib --enable-frei0r --enable-
 libope
 ncore-amrnb --enable-libopencore-amrwb --enable-libfreetype --enable-
 libgsm --en
 able-libmp3lame --enable-libopenjpeg --enable-librtmp --enable-
 libschroedinger -
 -enable-libspeex --enable-libtheora --enable-libvo-aacenc --enable-libvo-
 amrwben
 c --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxavs
 --enable-
 libxvid --enable-zlib
   libavutil      51. 34.100 / 51. 34.100
   libavcodec     53. 53.100 / 53. 53.100
   libavformat    53. 29.100 / 53. 29.100
   libavdevice    53.  4.100 / 53.  4.100
   libavfilter     2. 57.101 /  2. 57.101
   libswscale      2.  1.100 /  2.  1.100
   libswresample   0.  5.100 /  0.  5.100
   libpostproc    51.  2.100 / 51.  2.100
 [sunrast @ 02645B60] invalid depth
 [image2 @ 020E2320] Could not find codec parameters (Video: sunrast)
 4bpp.ras: could not find codec parameters
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/897>
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