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Commit Graph

12 Commits

Author SHA1 Message Date
Michael Niedermayer
b0448e5123 Merge commit 'be3271009ef893fbed9640e8edbd771685fd957b'
* commit 'be3271009ef893fbed9640e8edbd771685fd957b':
  jpeg2000: Define the maximum decomposition levels

Conflicts:
	libavcodec/jpeg2000.h

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2013-07-03 12:02:11 +02:00
Luca Barbato
be3271009e jpeg2000: Define the maximum decomposition levels
And define the resolution levels according.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-07-02 20:05:43 +02:00
Michael Niedermayer
2c2a8f70f5 jpeg2000: Make nreslevel fields int
This prevents potential integer overflows

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-06-05 18:34:07 +02:00
Michael Niedermayer
62d00aa22f jpeg2000/j2k: merge j2k/jpeg2000.c/h
Now only j2kdec / jpeg2000dec.c remain

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-05-30 14:57:58 +02:00
Michael Niedermayer
8bedbb82ce j2k/jpeg2000: split data pointer in int & float.
This fixes a TODO item and unifies both decoders structures
It also fixes undefined behavior due to aliasing violations

I choose 2 fields instead of a union because mistakely using the
wrong type with a union will lead to hard to debug "wrong output"
while with 2 fields mistakely using the wrong type will crash
with a null pointer derefernce which is much easier to debug

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-05-30 14:18:53 +02:00
Michael Niedermayer
fe7136ef82 j2k/jpeg2000: split stepsize in float & int variables
This is more clear and less prone to mistakes.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-05-28 22:16:14 +02:00
Michael Niedermayer
f82e7330af jpeg2000: merge mant type from j2k
mant fits in 16bit

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-05-27 22:25:03 +02:00
Michael Niedermayer
8c2e201c4f j2k/jpeg2000: drop xi/yi0/1 from Jpeg2000Prec
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-05-27 15:53:42 +02:00
Michael Niedermayer
3300b5f6ce j2k/jpeg2000 headers: Cblk/Prec cleanup & merge
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-05-27 15:13:18 +02:00
Michael Niedermayer
bd89b2b22a j2k/jpeg2000: log2_prec size cleanup
This also changes the cblk size storage method to what jpeg2000 uses

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-05-26 22:29:11 +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