Opened 9 years ago
Closed 9 years ago
#889 closed defect (fixed)
ljpeg: lossless predictor
Reported by: | ami_stuff | Owned by: | |
---|---|---|---|
Priority: | normal | Component: | avcodec |
Version: | git-master | Keywords: | mjpeg ljpeg |
Cc: | Blocked By: | ||
Blocking: | Reproduced by developer: | yes | |
Analyzed by developer: | no |
Description
when the file have lossless predictor set to 0, ffmpeg decodes it incorrectly (8/12/16/24/48bpp)
there is also a problem with lossless predictor 7 with 12bpp file
C:\>ffmpeg -i 12_lossless_predictor_7.jpg ffmpeg version N-36492-g7f83db3, Copyright (c) 2000-2012 the FFmpeg developers built on Jan 5 2012 01:57:12 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. 34.100 / 51. 34.100 libavcodec 53. 53.100 / 53. 53.100 libavformat 53. 29.100 / 53. 29.100 libavdevice 53. 4.100 / 53. 4.100 libavfilter 2. 57.101 / 2. 57.101 libswscale 2. 1.100 / 2. 1.100 libswresample 0. 5.100 / 0. 5.100 libpostproc 51. 2.100 / 51. 2.100 Input #0, image2, from '12_lossless_predictor_7.jpg': Duration: 00:00:00.04, start: 0.000000, bitrate: N/A Stream #0:0: Video: mjpeg, gray16le, 1024x768 [SAR 96:96 DAR 4:3], 25 tbr, 2 5 tbn, 25 tbc At least one output file must be specified
Attachments (3)
Change History (5)
Changed 9 years ago by ami_stuff
Changed 9 years ago by ami_stuff
Changed 9 years ago by ami_stuff
comment:1 Changed 9 years ago by cehoyos
- Component changed from undetermined to avcodec
- Keywords mjpeg ljpeg added
- Reproduced by developer set
- Status changed from new to open
- Version changed from unspecified to git-master
comment:2 Changed 9 years ago by michael
- Resolution set to fixed
- Status changed from open to closed
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Fixed, patch on ML