Michael Niedermayer
db13e02c6f
jpeg2000: Compute corrections of sub-band coordinates
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Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-07-02 20:05:46 +02:00
Michael Niedermayer
690c8af97b
jpeg2000: Remove unneeded variable initialization
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Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-07-02 20:05:46 +02:00
Michael Niedermayer
5bf208f659
jpeg2000: Use separate fields for int and float codepaths
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Split stepsize and data into int and float variants.
Eliminates a number of casts and simplifies spotting errors.
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-07-02 20:05:46 +02:00
Michael Niedermayer
952f7ed3c0
jpeg2000: Compute quantization for 'scalar derived' in the correct case.
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Scalar derived case is represented by the JPEG2K_QSTY_SI define.
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-07-02 20:05:45 +02:00
Michael Niedermayer
4e11b15534
jpeg2000: Calculate code-block coord in ff_jpeg2000_init_component()
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Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
Signed-off-by: Nicolas Bertrand <nicoinattendu@gmail.com>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-07-02 20:05:45 +02:00
Michael Niedermayer
4cbd5ed11b
jpeg2000: Fix compute precedence error in lut_gain index
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Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-07-02 20:05:45 +02:00
Michael Niedermayer
b44925ae6b
jpeg2000: Initialize code blocks structures in precincts to 0
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Prevent use of uninitialized memory / valgrind failure.
Found-by: ubitux
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-07-02 20:05:45 +02:00
Michael Niedermayer
2c3901b2c3
jpeg2000: Remove unneeded returns
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Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-07-02 20:05:45 +02:00
Michael Niedermayer
78962d3df4
jpeg2000: Check that nreslevels2decode has been initialized before use
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Avoid buffer overread.
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2013-07-02 20:05:45 +02:00
Nicolas Bertrand
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
