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7 Commits

Author SHA1 Message Date
Michael Niedermayer
0eb7de1973 avcodec/jpeg2000: Change coord to 32bit to support larger than 32k width or height 
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
Michael Niedermayer
69f7ccef8e avcodec/jpeg2000dwt: Move K/X constants to header 
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
James Almer
c9f2ec8a34 jpeg2000: split off inverse MCT decoding as Jpeg2000DSP 
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
Michael Niedermayer
197e219c92 jpeg2000dwt: add float based 9/7 dwt 
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
Michael Niedermayer
d4a4661342 j2k/jpeg2000: merge j2k & jpeg2000 dwts, drop j2k dwt 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-05-27 21:54:07 +02:00
Michael Niedermayer
e2e9bee2da Merge remote-tracking branch 'qatar/master' 
* 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
Nicolas Bertrand
c81a706381 JPEG 2000 decoder for DCinema 
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