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Fixes Ticket4680
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Fixes part of Ticket4680
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Fixes Ticket4657
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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This also reduces the amount of memory needed
Fixes Ticket4672
The new code seems slightly faster as well, probably due to better cache usage
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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reduce memory needed for flags
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Fixes Ticket4649
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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codeword segments
These 2 are highly related so they are in the same commit
Fixes part of Ticket4605
Fixes p0_04.j2k
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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* commit 'be3271009ef893fbed9640e8edbd771685fd957b':
jpeg2000: Define the maximum decomposition levels
Conflicts:
libavcodec/jpeg2000.h
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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And define the resolution levels according.
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
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This prevents potential integer overflows
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Now only j2kdec / jpeg2000dec.c remain
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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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>
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This is more clear and less prone to mistakes.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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mant fits in 16bit
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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This also changes the cblk size storage method to what jpeg2000 uses
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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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>
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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>
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