#2683: Jpeg2000 decoder broken
-------------------------------------+-------------------------------------
Reporter: Aegwyn11 | Owner:
Type: defect | Status: open
Priority: important | Component: avcodec
Version: git-master | Resolution:
Keywords: j2k | Blocked By:
regression, jpeg2000, motion | Reproduced by developer: 1
jpeg2000 |
Blocking: |
Analyzed by developer: 0 |
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Changes (by Buxiness):
* cc: nicoinattendu@… (added)
* keywords: j2k regression => j2k regression, jpeg2000, motion jpeg2000
Comment:
The sample looks like a 3D video in motion jpeg2000 is that correct? or
maybe interlaced video?
And native jpeg2000 decoder shall be corrected as it does not decode
correctly the images and returns :
{{{
./ffplay -vcodec jpeg2000 "/home/nicolas/Téléchargements/J2K Decoding
Regression.mkv"
ffplay version N-53811-gc8faa47 Copyright (c) 2003-2013 the FFmpeg
developers
built on Jun 17 2013 18:16:53 with gcc 4.6 (Ubuntu/Linaro
4.6.3-1ubuntu5)
configuration: --prefix=/home/nicolas/dev/local --enable-pic --enable-
libopenjpeg
libavutil 52. 34.100 / 52. 34.100
libavcodec 55. 15.100 / 55. 15.100
libavformat 55. 8.102 / 55. 8.102
libavdevice 55. 2.100 / 55. 2.100
libavfilter 3. 74.101 / 3. 74.101
libswscale 2. 3.100 / 2. 3.100
libswresample 0. 17.102 / 0. 17.102
[jpeg2000 @ 0x7f6630003020] unsupported/ CDxy values 2 1 for component 1
[jpeg2000 @ 0x7f6630003020] unsupported/ CDxy values 2 1 for component 2
Input #0, matroska,webm, from '/home/nicolas/Téléchargements/J2K Decoding
Regression.mkv':
Metadata:
ENCODER : Lavf55.8.103
Duration: 00:00:00.10, start: 0.000000, bitrate: 155549 kb/s
Stream #0:0: Video: jpeg2000 (JPEG 2000 codestream restriction 0)
(mjp2 / 0x32706A6D), rgb48le, 1920x1080, SAR 1:1 DAR 16:9, 29.97 fps,
29.97 tbr, 1k tbn, 1k tbc (default)
[jpeg2000 @ 0x7f6630009c20] unsupported/ CDxy values 2 1 for component 1
[jpeg2000 @ 0x7f6630009c20] unsupported/ CDxy values 2 1 for component 2
[jpeg2000 @ 0x7f663000a0a0] unsupported/ CDxy values 2 1 for component 1
[jpeg2000 @ 0x7f663000a0a0] unsupported/ CDxy values 2 1 for component 2
[jpeg2000 @ 0x7f663000b000] unsupported/ CDxy values 2 1 for component 1
[jpeg2000 @ 0x7f663000b000] unsupported/ CDxy values 2 1 for component 2
10.56 M-V: 0.074 fd= 1 aq= 0KB vq= 0KB sq= 0B f=0/0
}}}
The issue can maybe also related to motion jpeg2000 container.
--
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2683#comment:4>
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