#4631 closed defect (fixed)
jpeg2000: corrupted vertical line at thr right side
Reported by: | ami_stuff | Owned by: | |
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Priority: | normal | Component: | avcodec |
Version: | git-master | Keywords: | j2k |
Cc: | Blocked By: | ||
Blocking: | Reproduced by developer: | yes | |
Analyzed by developer: | no |
Description
the last vertical line at the right side looks corrupted
attached file is lossy, tile dimension 199x199
C:\>ffmpeg -i 199.jp2 out.bmp ffmpeg version 2.6.git Copyright (c) 2000-2015 the FFmpeg developers built with gcc 4.6.2 (GCC) configuration: --disable-pthreads --enable-gpl --disable-ffprobe libavutil 54. 27.100 / 54. 27.100 libavcodec 56. 41.100 / 56. 41.100 libavformat 56. 36.100 / 56. 36.100 libavdevice 56. 4.100 / 56. 4.100 libavfilter 5. 17.100 / 5. 17.100 libswscale 3. 1.101 / 3. 1.101 libswresample 1. 2.100 / 1. 2.100 libpostproc 53. 3.100 / 53. 3.100 [jpeg2000 @ 0228f600] Warning: not compiled with thread support, using thread em ulation [jpeg2000 @ 0228f600] extra cblk styles 1 [jpeg2000 @ 0228f600] Selective arithmetic coding bypass [jpeg2000 @ 0228f600] End mismatch 2 Last message repeated 808 times Input #0, j2k_pipe, from '199.jp2': Duration: N/A, bitrate: N/A Stream #0:0: Video: jpeg2000 (JPEG 2000 codestream restriction 0), gray, 999 x749, 25 tbr, 25 tbn, 25 tbc [bmp @ 0236c7e0] Warning: not compiled with thread support, using thread emulati on [jpeg2000 @ 0236d680] Warning: not compiled with thread support, using thread em ulation Output #0, image2, to 'out.bmp': Metadata: encoder : Lavf56.36.100 Stream #0:0: Video: bmp, gray, 999x749, q=2-31, 200 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc56.41.100 bmp Stream mapping: Stream #0:0 -> #0:0 (jpeg2000 (native) -> bmp (native)) Press [q] to stop, [?] for help [jpeg2000 @ 0236d680] extra cblk styles 1 [jpeg2000 @ 0236d680] Selective arithmetic coding bypass [jpeg2000 @ 0236d680] End mismatch 2 Last message repeated 808 times frame= 1 fps=0.0 q=0.0 Lsize=N/A time=00:00:00.04 bitrate=N/A video:732kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing o verhead: unknown
Attachments (1)
Change History (5)
by , 9 years ago
comment:1 by , 9 years ago
Component: | undetermined → avcodec |
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Keywords: | j2k added |
Reproduced by developer: | set |
Status: | new → open |
Version: | unspecified → git-master |
comment:2 by , 9 years ago
Resolution: | → fixed |
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Status: | open → closed |
follow-up: 4 comment:3 by , 9 years ago
Was the sample encoded in lossless mode?
jasper, libopenjpeg and FFmpeg decode this file differently here...
comment:4 by , 9 years ago
Replying to cehoyos:
Was the sample encoded in lossless mode?
jasper, libopenjpeg and FFmpeg decode this file differently here...
probably lossy
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The last eight pixels on the right are not bitexact:
-vf crop=991:749 -f framecrc
is bitexact.