[FFmpeg-trac] #2612(avcodec:new): 8bpp j2k image is not decoded anymore
FFmpeg
trac at avcodec.org
Fri May 31 10:38:37 CEST 2013
#2612: 8bpp j2k image is not decoded anymore
-------------------------------------+-------------------------------------
Reporter: cehoyos | Owner:
Type: defect | Status: new
Priority: important | Component: avcodec
Version: git- | Keywords: j2k
master | regression
Blocked By: | Blocking:
Reproduced by developer: 0 | Analyzed by developer: 0
-------------------------------------+-------------------------------------
http://ffmpeg.org/trac/ffmpeg/raw-attachment/ticket/1211/8bpp.jp2
The gray sample from ticket #1211 used to be decoded visually correct with
{{{-vcodec j2k -strict -2}}}, that does not work sine 369422d
{{{
$ ffmpeg -i 8bpp.jp2 out.png
ffmpeg version N-53704-g9d56ccf Copyright (c) 2000-2013 the FFmpeg
developers
built on May 31 2013 10:05:08 with gcc 4.7 (SUSE Linux)
configuration: --enable-gpl --disable-indev=jack
libavutil 52. 34.100 / 52. 34.100
libavcodec 55. 12.102 / 55. 12.102
libavformat 55. 8.102 / 55. 8.102
libavdevice 55. 2.100 / 55. 2.100
libavfilter 3. 73.100 / 3. 73.100
libswscale 2. 3.100 / 2. 3.100
libswresample 0. 17.102 / 0. 17.102
libpostproc 52. 3.100 / 52. 3.100
Input #0, image2, from '8bpp.jp2':
Duration: 00:00:00.04, start: 0.000000, bitrate: N/A
Stream #0:0: Video: jpeg2000 (JPEG 2000 codestream restriction 0),
gray, 1024x768, 25 tbr, 25 tbn, 25 tbc
Output #0, image2, to 'out.png':
Metadata:
encoder : Lavf55.8.102
Stream #0:0: Video: png, gray, 1024x768, q=2-31, 200 kb/s, 90k tbn, 25
tbc
Stream mapping:
Stream #0:0 -> #0:0 (jpeg2000 -> png)
Press [q] to stop, [?] for help
frame= 1 fps=0.0 q=0.0 Lsize=N/A time=00:00:00.04 bitrate=N/A
video:3kB audio:0kB subtitle:0 global headers:0kB muxing overhead
-100.762565%
}}}
out.png looks broken.
The other lossy samples from ticket #1211 that were not decoded completely
correct before are also completely broken now:
http://ffmpeg.org/trac/ffmpeg/raw-attachment/ticket/1211/24bpp.jp2
http://ffmpeg.org/trac/ffmpeg/raw-attachment/ticket/1211/32bpp.jp2
This is a regression since
--
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2612>
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