[FFmpeg-trac] #6054(undetermined:new): iff: support IFF ILBM with byterun2 compression

[FFmpeg]

#6054: iff: support IFF ILBM with byterun2 compression
-------------------------------------+-------------------------------------
               Reporter:  ami_stuff  |                  Owner:
                   Type:  defect     |                 Status:  new
               Priority:  normal     |              Component:
                Version:             |  undetermined
  unspecified                        |               Keywords:
             Blocked By:             |               Blocking:
Reproduced by developer:  0          |  Analyzed by developer:  0
-------------------------------------+-------------------------------------
 this was a format used by DeluxePaint for Atari ST

 supported by recoil:

 http://recoil.sourceforge.net/

 (search for "RECOIL_DecodeIff" in "recoil.c")

 {{{
 C:\>ffmpeg -i atari_neworld.iff  out.bmp
 ffmpeg version N-78758-g5156578 Copyright (c) 2000-2016 the FFmpeg
 developers
   built with gcc 5.3.0 (GCC)
   configuration: --enable-gpl --enable-version3 --disable-w32threads
 --enable-av
 isynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls
 --enab
 le-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-
 libcaca --
 enable-libdcadec --enable-libfreetype --enable-libgme --enable-libgsm
 --enable-l
 ibilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb
 --enab
 le-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-
 librtmp --en
 able-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora
 --ena
 ble-libtwolame --enable-libvidstab --enable-libvo-amrwbenc --enable-
 libvorbis --
 enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264
 --enable-lib
 x265 --enable-libxavs --enable-libxvid --enable-libzimg --enable-lzma
 --enable-d
 ecklink --enable-zlib
   libavutil      55. 19.100 / 55. 19.100
   libavcodec     57. 27.100 / 57. 27.100
   libavformat    57. 26.100 / 57. 26.100
   libavdevice    57.  0.101 / 57.  0.101
   libavfilter     6. 37.100 /  6. 37.100
   libswscale      4.  0.100 /  4.  0.100
   libswresample   2.  0.101 /  2.  0.101
   libpostproc    54.  0.100 / 54.  0.100
 Input #0, iff, from 'atari_neworld.iff':
   Duration: N/A, bitrate: N/A
     Stream #0:0: Video: iff_ilbm (ILBM / 0x4D424C49), pal8, 320x200, SAR
 9:10 DA
 R 36:25, 90k tbr, 90k tbn, 90k tbc
 [image2 @ 038f0bc0] Frame rate very high for a muxer not efficiently
 supporting
 it.
 Please consider specifying a lower framerate, a different muxer or -vsync
 2
 Output #0, image2, to 'out.bmp':
   Metadata:
     encoder         : Lavf57.26.100
     Stream #0:0: Video: bmp, pal8, 320x200 [SAR 9:10 DAR 36:25], q=2-31,
 200 kb/
 s, 90k fps, 90k tbn, 90k tbc
     Metadata:
       encoder         : Lavc57.27.100 bmp
 Stream mapping:
   Stream #0:0 -> #0:0 (iff_ilbm (iff) -> bmp (native))
 Press [q] to stop, [?] for help
 [iff @ 038f0660] bitmap (compression 2, bpp 4, ham 0) is not implemented.
 Update
  your FFmpeg version to the newest one from Git. If the problem still
 occurs, it
  means that your file has a feature which has not been implemented.
 [iff @ 038f0660] If you want to help, upload a sample of this file to
 ftp://uplo
 ad.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing list.
 (ffmpeg-devel
 @ffmpeg.org)
 Error while decoding stream #0:0: Invalid data found when processing input
 frame=    0 fps=0.0 q=0.0 Lsize=N/A time=00:00:00.00 bitrate=N/A speed=N/A
 video:0kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
 muxing ove
 rhead: unknown
 Output file is empty, nothing was encoded (check -ss / -t / -frames
 parameters i
 f used)
 Conversion failed!
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/6054>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker