FFmpeg

Commit Graph

Author	SHA1	Message	Date
Michael Niedermayer	e54f4510aa	avcodec/jpeg2000: zero i/f_data Fixes uninitialized use of variables Fixes part of Ticket2921 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	9e477a3770	jpeg2000: fix null pointer dereference in case of malloc failure Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	09927f3eaa	jpeg2000: zero reslevel array on allocation prevent use of uninitialized values Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	912ce9dd20	jpeg2000: fix dereferencing invalid pointers Found-by: Laurent Butti <laurentb@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	f57119b8e5	jpeg2000: fix overflow in dequantization Fixes decoding of file generated with: ffmpeg -f lavfi -i smptehdbars=hd720 -pix_fmt rgb48 /tmp/o.jp2 Reviewed-by: Nicolas BERTRAND <nicoinattendu@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Luca Barbato	daeb4e3042	jpeg2000: Proper cleanup on failure in decode_frame() Signed-off-by: Luca Barbato <lu_zero@gentoo.org>	12 years ago
Michael Niedermayer	db13e02c6f	jpeg2000: Compute corrections of sub-band coordinates Signed-off-by: Luca Barbato <lu_zero@gentoo.org>	12 years ago
Michael Niedermayer	5bf208f659	jpeg2000: Use separate fields for int and float codepaths 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>	12 years ago
Michael Niedermayer	690c8af97b	jpeg2000: Remove unneeded variable initialization Signed-off-by: Luca Barbato <lu_zero@gentoo.org>	12 years ago
Michael Niedermayer	4cbd5ed11b	jpeg2000: Fix compute precedence error in lut_gain index Signed-off-by: Luca Barbato <lu_zero@gentoo.org>	12 years ago
Michael Niedermayer	952f7ed3c0	jpeg2000: Compute quantization for 'scalar derived' in the correct case. Scalar derived case is represented by the JPEG2K_QSTY_SI define. Signed-off-by: Luca Barbato <lu_zero@gentoo.org>	12 years ago
Michael Niedermayer	b44925ae6b	jpeg2000: Initialize code blocks structures in precincts to 0 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>	12 years ago
Michael Niedermayer	2c3901b2c3	jpeg2000: Remove unneeded returns Signed-off-by: Luca Barbato <lu_zero@gentoo.org>	12 years ago
Michael Niedermayer	78962d3df4	jpeg2000: Check that nreslevels2decode has been initialized before use Avoid buffer overread. Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Luca Barbato <lu_zero@gentoo.org>	12 years ago
Michael Niedermayer	4e11b15534	jpeg2000: Calculate code-block coord in ff_jpeg2000_init_component() 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>	12 years ago
Michael Niedermayer	ffb1051b9b	jpeg2000: Zero prec->cblk Prevent use of uninitialized memory / valgrind failure Found-by: ubitux Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	6e9bfc19bd	jpeg2000: check that nreslevels2decode has been initialized before use Fixes out of array accesses Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	234f76ae7d	jpeg2000: Fix unintended sign extension in malloc arguments of prec Fixes: CID1026772/3 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	d8c10324ed	jpeg2000: Fix Unintended sign extension in malloc arguments of cblk. Fixes CID1026770 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	9d56ccf5af	j2k/jpeg2000dec: merge Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	62d00aa22f	jpeg2000/j2k: merge j2k/jpeg2000.c/h Now only j2kdec / jpeg2000dec.c remain Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	c2ac389bba	jpeg2000: remove unneeded casts Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	09e03a8467	jpeg2000: merges quantization fixes from j2k Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	efc2df2e27	jpeg2000: remove unneeded variable initialization Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	84a6bc2357	jpeg2000: tag_tree_size: replace check by assert This function is never called with values large enough for the error condition to occur Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
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>	12 years ago
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>	12 years ago
Michael Niedermayer	f7129ab928	j2k/jpeg2000: fix typo in lut_gain index no testcase Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	32475f56f3	j2kdec/jpeg2000dec: partially merge quantization code The quantization code needs more work, not so much work merging but more work investigating what is correct. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	1b5cb6c00a	j2k/jpeg2000: Partially merge quantization code Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	9a18395b92	j2k/jpeg2000: merge a few whitespaces Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	14652c080d	j2k/jpeg2000: restructure cblk coord Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	874a06bd1f	j2k: cosmetics from jpeg2000 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	b67fe48f34	jpeg2000/j2k: merge getsigctxno() Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
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>	12 years ago

40 Commits (1fc74926a5d13261721e1c9962c48db00d214853)