[FFmpeg-trac] #538(avcodec:reopened): J2K files with 444p are incorrectly written
FFmpeg
trac at avcodec.org
Sat Aug 24 12:36:35 CEST 2013
#538: J2K files with 444p are incorrectly written
------------------------------------+------------------------------------
Reporter: cehoyos | Owner:
Type: defect | Status: reopened
Priority: normal | Component: avcodec
Version: git-master | Resolution:
Keywords: j2k | Blocked By:
Blocking: | Reproduced by developer: 1
Analyzed by developer: 0 |
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Changes (by cehoyos):
* status: closed => reopened
* resolution: worksforme =>
Comment:
I don't think it can be expected behaviour if an encoder is fed with
yuv444p and encodes rgb24.
{{{
$ ffmpeg -i tests/lena.pnm -pix_fmt yuv444p -strict -2 out.jp2
ffmpeg version N-55749-g6067186 Copyright (c) 2000-2013 the FFmpeg
developers
built on Aug 24 2013 11:53:22 with gcc 4.7 (SUSE Linux)
configuration: --enable-gpl --disable-indev=jack
libavutil 52. 42.100 / 52. 42.100
libavcodec 55. 29.100 / 55. 29.100
libavformat 55. 14.102 / 55. 14.102
libavdevice 55. 3.100 / 55. 3.100
libavfilter 3. 82.102 / 3. 82.102
libswscale 2. 5.100 / 2. 5.100
libswresample 0. 17.103 / 0. 17.103
libpostproc 52. 3.100 / 52. 3.100
Input #0, image2, from 'tests/lena.pnm':
Duration: 00:00:00.04, start: 0.000000, bitrate: N/A
Stream #0:0: Video: ppm, rgb24, 256x256, 25 tbr, 25 tbn, 25 tbc
Output #0, image2, to 'out.jp2':
Metadata:
encoder : Lavf55.14.102
Stream #0:0: Video: jpeg2000, yuv444p, 256x256, q=2-31, 200 kb/s, 90k
tbn, 25 tbc
Stream mapping:
Stream #0:0 -> #0:0 (ppm -> jpeg2000)
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:76kB audio:0kB subtitle:0 global headers:0kB muxing overhead
-100.028340%
}}}
{{{
$ ffmpeg -i out.jp2
ffmpeg version N-55749-g6067186 Copyright (c) 2000-2013 the FFmpeg
developers
built on Aug 24 2013 11:53:22 with gcc 4.7 (SUSE Linux)
configuration: --enable-gpl --disable-indev=jack
libavutil 52. 42.100 / 52. 42.100
libavcodec 55. 29.100 / 55. 29.100
libavformat 55. 14.102 / 55. 14.102
libavdevice 55. 3.100 / 55. 3.100
libavfilter 3. 82.102 / 3. 82.102
libswscale 2. 5.100 / 2. 5.100
libswresample 0. 17.103 / 0. 17.103
libpostproc 52. 3.100 / 52. 3.100
Input #0, image2, from 'out.jp2':
Duration: 00:00:00.04, start: 0.000000, bitrate: N/A
Stream #0:0: Video: jpeg2000 (JPEG 2000 codestream restriction 0),
rgb24, 256x256, 25 tbr, 25 tbn, 25 tbc
At least one output file must be specified
}}}
{{{
$ ffmpeg -i out.jp2
ffmpeg version N-55750-gbbe0045 Copyright (c) 2000-2013 the FFmpeg
developers
built on Aug 24 2013 12:08:27 with gcc 4.7 (SUSE Linux)
configuration: --enable-libopenjpeg --disable-decoder=jpeg2000
libavutil 52. 42.100 / 52. 42.100
libavcodec 55. 29.100 / 55. 29.100
libavformat 55. 14.102 / 55. 14.102
libavdevice 55. 3.100 / 55. 3.100
libavfilter 3. 82.102 / 3. 82.102
libswscale 2. 5.100 / 2. 5.100
libswresample 0. 17.103 / 0. 17.103
Input #0, image2, from 'out.jp2':
Duration: 00:00:00.04, start: 0.000000, bitrate: N/A
Stream #0:0: Video: jpeg2000, rgb24, 256x256, 25 tbr, 25 tbn, 25 tbc
At least one output file must be specified
}}}
--
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/538#comment:5>
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