[FFmpeg-trac] #967(undetermined:new): iff ilbm ham8 with transparency decodes incorrectly

[FFmpeg]

#967: iff ilbm ham8 with transparency decodes incorrectly
-------------------------------------+-------------------------------------
             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 ok with amiga programs and pmview

 http://www.pmview.com/

 {{{
 C:\>ffmpeg -i ham8_transparent.iff out.bmp
 ffmpeg version N-37208-g01fcbdf Copyright (c) 2000-2012 the FFmpeg
 developers
   built on Jan 27 2012 18:34:52 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. 34.101 / 51. 34.101
   libavcodec     53. 60.100 / 53. 60.100
   libavformat    53. 31.100 / 53. 31.100
   libavdevice    53.  4.100 / 53.  4.100
   libavfilter     2. 60.100 /  2. 60.100
   libswscale      2.  1.100 /  2.  1.100
   libswresample   0.  6.100 /  0.  6.100
   libpostproc    52.  0.100 / 52.  0.100
 [IFF @ 02142320] Estimating duration from bitrate, this may be inaccurate
 Input #0, IFF, from 'ham8_transparent.iff':
   Duration: N/A, bitrate: N/A
     Stream #0:0: Video: iff_byterun1 (ILBM / 0x4D424C49), bgra, 170x129,
 SAR 44:
 44 DAR 170:129, 90k tbr, 90k tbn, 90k tbc
 [image2 @ 02143760] Frame rate very high for a muxer not effciciently
 supporting
  it.
 Please consider specifiying a lower framerate, a different muxer or -vsync
 2
 [buffer @ 021519A0] w:170 h:129 pixfmt:bgra tb:1/1000000 sar:44/44
 sws_param:
 Output #0, image2, to 'out.bmp':
   Metadata:
     encoder         : Lavf53.31.100
     Stream #0:0: Video: bmp, bgra, 170x129 [SAR 44:44 DAR 170:129],
 q=2-31, 200
 kb/s, 90k tbn, 90k tbc
 Stream mapping:
   Stream #0:0 -> #0:0 (iff_byterun1 -> bmp)
 Press [q] to stop, [?] for help
 frame=    1 fps=  0 q=0.0 Lsize=       0kB time=00:00:00.00 bitrate=
 0.0kbits/
 s
 video:86kB audio:0kB global headers:0kB muxing overhead -100.000000%
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/967>
FFmpeg <http://ffmpeg.org>
FFmpeg issue tracker