82467b635e
avcodec/jpeg2000: Improve FF_DWT97_INT to pass ISO/IEC 15444-4 conformance tests
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Fixes https://trac.ffmpeg.org/ticket/10123
Signed-off-by: Pierre-Anthony Lemieux <pal@palemieux.com >
2024-11-08 08:30:07 -08:00
0eb7de1973
avcodec/jpeg2000: Change coord to 32bit to support larger than 32k width or height
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Fixes: 03e0abe721b1174856d41a1eb5d6a896/signal_sigabrt_7ffff6ae7cc9_3813_e71bf3541abed3ccba031cd5ba0269a4.avi
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc >
2015-11-15 22:11:05 +01:00
69f7ccef8e
avcodec/jpeg2000dwt: Move K/X constants to header
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this makes them accessible by the rest of the jpeg2000 code
Signed-off-by: Michael Niedermayer <michaelni@gmx.at >
2015-06-22 01:54:51 +02:00
c9f2ec8a34
jpeg2000: split off inverse MCT decoding as Jpeg2000DSP
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This makes the addition of arch optimized functions easier.
Reviewed-by: Michael Niedermayer <michaelni@gmx.at >
Signed-off-by: James Almer <jamrial@gmail.com >
2014-10-02 03:21:45 -03:00
197e219c92
jpeg2000dwt: add float based 9/7 dwt
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Untested as theres no code yet using it in the encoder.
Code based on mixed float/int dwt
Signed-off-by: Michael Niedermayer <michaelni@gmx.at >
2013-05-28 09:42:19 +02:00
d4a4661342
j2k/jpeg2000: merge j2k & jpeg2000 dwts, drop j2k dwt
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at >
2013-05-27 21:54:07 +02:00
e2e9bee2da
Merge remote-tracking branch 'qatar/master'
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* qatar/master:
avcodec: Bump minor for JPEG 2000 decoder
JPEG 2000 decoder for DCinema
The mqc code is merged, the rest is added independent of
the existing jpeg2000 decoder and encoder.
Conflicts:
Changelog
doc/general.texi
libavcodec/Makefile
libavcodec/allcodecs.c
libavcodec/mqc.c
libavcodec/mqc.h
libavcodec/mqcdec.c
libavcodec/version.h
tests/fate/video.mak
Merged-by: Michael Niedermayer <michaelni@gmx.at >
2013-04-22 20:00:54 +02:00
c81a706381
JPEG 2000 decoder for DCinema
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Based on the 2007 GSoC project from Kamil Nowosad <k.nowosad@students.mimuw.edu.pl >
Updated to current programming standards, style and many more small
fixes by Diego Biurrun <diego@biurrun.de >.
Signed-off-by: Diego Biurrun <diego@biurrun.de >
2013-04-22 15:38:29 +02:00
Osamu Watanabe