[FFmpeg-trac] #1999(undetermined:new): fax 2d decompression bug
FFmpeg
trac at avcodec.org
Fri Dec 7 17:07:39 CET 2012
#1999: fax 2d decompression bug
-------------------------------------+-------------------------------------
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
-------------------------------------+-------------------------------------
there must be some error (maybe off by one) in fax decoding code
attached files have normal FillOrder and were created with tiffcp
tiffcp -f msb2lsb -c g3:2d test.tif g3_2d_msb2lsb.tif
tiffcp -f msb2lsb -c g4 test.tif g4_msb2lsb.tif
(-c g3:1d decodes ok)
{{{
C:\>ffmpeg -i g3_2d_msb2lsb.tif -f null -
ffmpeg version N-47325-gb90e795 Copyright (c) 2000-2012 the FFmpeg
developers
built on Dec 1 2012 02:23:25 with gcc 4.5.0 (GCC) 20100414 (Fedora
MinGW 4.5.
0-1.fc14)
configuration: --prefix=/var/www/users/research/ffmpeg/snapshots/build
--arch=
x86 --target-os=mingw32 --cross-prefix=i686-pc-mingw32- --cc='ccache i686
-pc-min
gw32-gcc' --enable-w32threads --enable-memalign-hack --enable-runtime-
cpudetect
--enable-cross-compile --enable-static --disable-shared --extra-
libs='-lws2_32 -
lwinmm -lpthread' --extra-cflags='--static
-I/var/www/users/research/ffmpeg/snap
shots/build/include' --extra-ldflags='-static
-L/var/www/users/research/ffmpeg/s
napshots/build/lib' --enable-bzlib --enable-zlib --enable-gpl --enable-
version3
--enable-nonfree --enable-libx264 --enable-libspeex --enable-libtheora
--enable-
libvorbis --enable-libfaac --enable-libxvid --enable-libopencore-amrnb
--enable-
libopencore-amrwb --enable-libmp3lame --enable-libvpx --disable-
decoder=libvpx
libavutil 52. 10.100 / 52. 10.100
libavcodec 54. 78.100 / 54. 78.100
libavformat 54. 41.100 / 54. 41.100
libavdevice 54. 3.101 / 54. 3.101
libavfilter 3. 23.104 / 3. 23.104
libswscale 2. 1.103 / 2. 1.103
libswresample 0. 17.101 / 0. 17.101
libpostproc 52. 2.100 / 52. 2.100
[tiff @ 0x1eec9e0] Run overrun
Last message repeated 6 times
Input #0, image2, from 'g3_2d_msb2lsb.tif':
Duration: 00:00:00.04, start: 0.000000, bitrate: N/A
Stream #0:0: Video: tiff, monob, 1024x768, 25 tbr, 25 tbn, 25 tbc
Output #0, null, to 'pipe:':
Metadata:
encoder : Lavf54.41.100
Stream #0:0: Video: rawvideo (B0W1 / 0x31573042), monob, 1024x768,
q=2-31, 2
00 kb/s, 90k tbn, 25 tbc
Stream mapping:
Stream #0:0 -> #0:0 (tiff -> rawvideo)
Press [q] to stop, [?] for help
[tiff @ 0x1eec9e0] Run overrun
Last message repeated 6 times
[null @ 0x1fc5da0] Encoder did not produce proper pts, making some up.
frame= 1 fps=0.0 q=0.0 Lsize= 0kB time=00:00:00.04 bitrate=
0.0kbits/
s
video:0kB audio:0kB subtitle:0 global headers:0kB muxing overhead
-100.000000%
}}}
{{{
C:\>ffmpeg -i g4_msb2lsb.tif -f null -
ffmpeg version N-47325-gb90e795 Copyright (c) 2000-2012 the FFmpeg
developers
built on Dec 1 2012 02:23:25 with gcc 4.5.0 (GCC) 20100414 (Fedora
MinGW 4.5.
0-1.fc14)
configuration: --prefix=/var/www/users/research/ffmpeg/snapshots/build
--arch=
x86 --target-os=mingw32 --cross-prefix=i686-pc-mingw32- --cc='ccache i686
-pc-min
gw32-gcc' --enable-w32threads --enable-memalign-hack --enable-runtime-
cpudetect
--enable-cross-compile --enable-static --disable-shared --extra-
libs='-lws2_32 -
lwinmm -lpthread' --extra-cflags='--static
-I/var/www/users/research/ffmpeg/snap
shots/build/include' --extra-ldflags='-static
-L/var/www/users/research/ffmpeg/s
napshots/build/lib' --enable-bzlib --enable-zlib --enable-gpl --enable-
version3
--enable-nonfree --enable-libx264 --enable-libspeex --enable-libtheora
--enable-
libvorbis --enable-libfaac --enable-libxvid --enable-libopencore-amrnb
--enable-
libopencore-amrwb --enable-libmp3lame --enable-libvpx --disable-
decoder=libvpx
libavutil 52. 10.100 / 52. 10.100
libavcodec 54. 78.100 / 54. 78.100
libavformat 54. 41.100 / 54. 41.100
libavdevice 54. 3.101 / 54. 3.101
libavfilter 3. 23.104 / 3. 23.104
libswscale 2. 1.103 / 2. 1.103
libswresample 0. 17.101 / 0. 17.101
libpostproc 52. 2.100 / 52. 2.100
[tiff @ 0x1eec9e0] Run overrun
Input #0, image2, from 'g4_msb2lsb.tif':
Duration: 00:00:00.04, start: 0.000000, bitrate: N/A
Stream #0:0: Video: tiff, monob, 1024x768, 25 tbr, 25 tbn, 25 tbc
Output #0, null, to 'pipe:':
Metadata:
encoder : Lavf54.41.100
Stream #0:0: Video: rawvideo (B0W1 / 0x31573042), monob, 1024x768,
q=2-31, 2
00 kb/s, 90k tbn, 25 tbc
Stream mapping:
Stream #0:0 -> #0:0 (tiff -> rawvideo)
Press [q] to stop, [?] for help
[tiff @ 0x1eec9e0] Run overrun
[null @ 0x1fc5da0] Encoder did not produce proper pts, making some up.
frame= 1 fps=0.0 q=0.0 Lsize= 0kB time=00:00:00.04 bitrate=
0.0kbits/
s
video:0kB audio:0kB subtitle:0 global headers:0kB muxing overhead
-100.000000%
}}}
--
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1999>
FFmpeg <http://ffmpeg.org>
FFmpeg issue tracker
More information about the FFmpeg-trac
mailing list