[FFmpeg-trac] #6054(undetermined:new): iff: support IFF ILBM with byterun2 compression
FFmpeg
trac at avcodec.org
Fri Dec 30 17:41:45 EET 2016
#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>
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