[FFmpeg-trac] #2683(undetermined:new): Jpeg2000 decoder broken
FFmpeg
trac at avcodec.org
Tue Jun 18 01:59:14 CEST 2013
#2683: Jpeg2000 decoder broken
-------------------------------------+-------------------------------------
Reporter: Aegwyn11 | Type: defect
Status: new | Priority: normal
Component: | Version:
undetermined | unspecified
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
Summary of the bug: Regression in the JPEG2000 decoder. I see the problem
using either libopenjpeg or jpeg2000 as the decoder. It seems that FFmpeg
erroneously recognizes the video as rgb48le when it is really yuv422p10le.
I have a version of FFmpeg from 3/28/2013 that does not exhibit the
problem.
How to reproduce: Try to decode JPEG2000 video with the following command:
ffmpeg -i "J2K Decoding Regression.mkv" -f rawvideo NUL -y
{{{
ffmpeg -i "J2K Decoding Regression.mkv" -f rawvideo NUL -y
ffmpeg version N-54082-g96b33dd Copyright (c) 2000-2013 the FFmpeg
developers
built on Jun 17 2013 02:05:16 with gcc 4.7.3 (GCC)
configuration: --enable-gpl --enable-version3 --disable-w32threads
--enable-av
isynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls
--enab
le-iconv --enable-libass --enable-libbluray --enable-libcaca --enable-
libfreetyp
e --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame
--ena
ble-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg
--enable-l
ibopus --enable-librtmp --enable-libschroedinger --enable-libsoxr
--enable-libsp
eex --enable-libtheora --enable-libtwolame --enable-libvo-aacenc --enable-
libvo-
amrwbenc --enable-libvorbis --enable-libvpx --enable-libx264 --enable-
libxavs --
enable-libxvid --enable-zlib
libavutil 52. 37.101 / 52. 37.101
libavcodec 55. 16.100 / 55. 16.100
libavformat 55. 8.103 / 55. 8.103
libavdevice 55. 2.100 / 55. 2.100
libavfilter 3. 77.101 / 3. 77.101
libswscale 2. 3.100 / 2. 3.100
libswresample 0. 17.102 / 0. 17.102
libpostproc 52. 3.100 / 52. 3.100
[jpeg2000 @ 0287b6a0] unsupported/ CDxy values 2 1 for component 1
[jpeg2000 @ 0287b6a0] unsupported/ CDxy values 2 1 for component 2
Input #0, matroska,webm, from 'J2K Decoding Regression.mkv':
Metadata:
ENCODER : Lavf55.8.103
Duration: 00:00:00.17, start: 0.000000, bitrate: 156157 kb/s
Stream #0:0: Video: jpeg2000 (JPEG 2000 codestream restriction 0)
(mjp2 / 0x
32706A6D), rgb48le, 1920x1080, SAR 1:1 DAR 16:9, 29.97 fps, 29.97 tbr, 1k
tbn, 1
k tbc (default)
Output #0, rawvideo, to 'NUL':
Metadata:
encoder : Lavf55.8.103
Stream #0:0: Video: rawvideo (RGB0 / 0x30424752), rgb48le, 1920x1080
[SAR 1:
1 DAR 16:9], q=2-31, 200 kb/s, 90k tbn, 29.97 tbc (default)
Stream mapping:
Stream #0:0 -> #0:0 (jpeg2000 -> rawvideo)
Press [q] to stop, [?] for help
[jpeg2000 @ 063d0060] unsupported/ CDxy values 2 1 for component 1
[jpeg2000 @ 063d0060] unsupported/ CDxy values 2 1 for component 2
[jpeg2000 @ 04005fe0] unsupported/ CDxy values 2 1 for component 1
[jpeg2000 @ 040063c0] unsupported/ CDxy values 2 1 for component 1
[jpeg2000 @ 04005fe0] [jpeg2000 @ 040067a0] [jpeg2000 @ 04006ba0]
[jpeg2000 @ 04
0063c0] unsupported/ CDxy values 2 1 for component 1
unsupported/ CDxy values 2 1 for component 2
unsupported/ CDxy values 2 1 for component 1
[jpeg2000 @ 04006ba0] unsupported/ CDxy values 2 1 for component 2
unsupported/ CDxy values 2 1 for component 2
[jpeg2000 @ 040067a0] unsupported/ CDxy values 2 1 for component 2
frame= 1 fps=0.0 q=0.0 size= 12150kB time=00:00:00.03
bitrate=2982971.2kbit
frame= 5 fps=0.0 q=0.0 Lsize= 60750kB time=00:00:00.16
bitrate=2983007.0kbi
ts/s
video:60750kB audio:0kB subtitle:0 global headers:0kB muxing overhead
0.000000%
}}}
Patches should be submitted to the ffmpeg-devel mailing list and not this
bug tracker.
--
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2683>
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