[FFmpeg-trac] #2826(undetermined:new): ljpeg: fix decoding of some gray samples (with lossless predictor > 4)
FFmpeg
trac at avcodec.org
Wed Jul 31 01:14:38 CEST 2013
#2826: ljpeg: fix decoding of some gray samples (with lossless predictor > 4)
-------------------------------------+-------------------------------------
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
-------------------------------------+-------------------------------------
Lossless Predictor: 6
Lossless Point Transform: 7
{{{
C:\>ffmpeg -i pred6disc7.jpg out.bmp
ffmpeg version N-55066-gc96b3ae Copyright (c) 2000-2013 the FFmpeg
developers
built on Jul 30 2013 02:33:47 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-pthreads --enable-memalign-hack --enable-runtime-
cpudetect --
enable-cross-compile --enable-static --disable-shared --extra-
libs='-lws2_32 -lw
inmm -lpthread' --extra-cflags='--static
-I/var/www/users/research/ffmpeg/snapsh
ots/build/include' --extra-ldflags='-static
-L/var/www/users/research/ffmpeg/sna
pshots/build/lib' --enable-bzlib --enable-zlib --enable-gpl --enable-
version3 --
enable-nonfree --enable-libx264 --enable-libspeex --enable-libtheora
--enable-li
bvorbis --enable-libfaac --enable-libxvid --enable-libopencore-amrnb
--enable-li
bopencore-amrwb --enable-libmp3lame --enable-libvpx --disable-
decoder=libvpx
libavutil 52. 40.100 / 52. 40.100
libavcodec 55. 19.100 / 55. 19.100
libavformat 55. 12.102 / 55. 12.102
libavdevice 55. 3.100 / 55. 3.100
libavfilter 3. 82.100 / 3. 82.100
libswscale 2. 4.100 / 2. 4.100
libswresample 0. 17.103 / 0. 17.103
libpostproc 52. 3.100 / 52. 3.100
[mjpeg @ 0x20e64c0] unknown colorspace
Input #0, image2, from 'pred6disc7.jpg':
Duration: 00:00:00.04, start: 0.000000, bitrate: N/A
Stream #0:0: Video: mjpeg, gray, 1024x768, 25 tbr, 25 tbn, 25 tbc
Output #0, image2, to 'out.bmp':
Metadata:
encoder : Lavf55.12.102
Stream #0:0: Video: bmp, gray, 1024x768, q=2-31, 200 kb/s, 90k tbn, 25
tbc
Stream mapping:
Stream #0:0 -> #0:0 (mjpeg -> bmp)
Press [q] to stop, [?] for help
[mjpeg @ 0x20e64c0] unknown colorspace
frame= 1 fps=0.0 q=-1.0 Lsize=N/A time=00:00:00.04 bitrate=N/A
video:769kB audio:0kB subtitle:0 global headers:0kB muxing overhead
-100.002794%
}}}
--
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2826>
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