FFmpeg

Commit Graph

Author	SHA1	Message	Date
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	e11099db20	jpeg2000: Optimize dequantization Float: 4700 -> 2700 cycles Integer: 4400 -> 2800 cycles (sandybridge i7) Signed-off-by: Luca Barbato <lu_zero@gentoo.org>	12 years ago
Michael Niedermayer	09d5929f37	jpeg2000: Do not crash on NULL node in tag_tree_decode Signed-off-by: Luca Barbato <lu_zero@gentoo.org>	12 years ago
Michael Niedermayer	c1dcbc590d	jpeg2000: Do not assume a single tile In preparation of supporting multiple tiles. Signed-off-by: Luca Barbato <lu_zero@gentoo.org>	12 years ago
Michael Niedermayer	aa16bbaf9b	jpeg2000: Refactor SOT marker parsing Signed-off-by: Luca Barbato <lu_zero@gentoo.org>	12 years ago
Michael Niedermayer	53d5d89c1b	jpeg2000: Speed up jpeg2000_decode_tile() Skip processing bands with dimension set to 0. Signed-off-by: Luca Barbato <lu_zero@gentoo.org>	12 years ago
Michael Niedermayer	64f6570c6e	jpeg2000: Use EBCOT's CAUSAL and BYPASS mode in decode_cblk() Speed it up a bit. Signed-off-by: Luca Barbato <lu_zero@gentoo.org>	12 years ago
Michael Niedermayer	589e5b52f6	jpeg2000: Use the correct sizeof in memset for T1 data 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	f9581f1414	jpeg2000: Improve reduced resolution decoding Correctly scale down the component coordinates and clean up some redundant code. Signed-off-by: Luca Barbato <lu_zero@gentoo.org>	12 years ago
Michael Niedermayer	5b73916d34	jpeg2000: Simplify init_tile() 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	a458b91cf4	jpeg2000: Split int/float codepaths depending on the DWT DWT53 is always int, DWT97 is always float. Signed-off-by: Luca Barbato <lu_zero@gentoo.org>	12 years ago
Michael Niedermayer	33e665a6ab	jpeg2000: Update pixel format support 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	b564784a20	jpeg2000: Check that there is a SOT before SOD Avoid overreads. Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at> Signed-off-by: Luca Barbato <lu_zero@gentoo.org>	12 years ago
Michael Niedermayer	ef35d6dbc6	jpeg2000: Propagate error code from get_cox() Signed-off-by: Michael Niedermayer <michaelni@gmx.at> 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	cf04af2086	jpeg2000: Check that we have enough components for MCT Avoid overread. Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at> Signed-off-by: Luca Barbato <lu_zero@gentoo.org>	12 years ago
Michael Niedermayer	86a2602e16	jpeg2000: Drop unused and writeonly fields Signed-off-by: Luca Barbato <lu_zero@gentoo.org>	12 years ago
Michael Niedermayer	fd54dd028b	jpeg2000: check len before parsing header Avoid overread. Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at> Signed-off-by: Luca Barbato <lu_zero@gentoo.org>	12 years ago
Michael Niedermayer	17e5d614a8	jpeg2000: Check zero bit-plane validity Prevent integer overflows. Signed-off-by: Luca Barbato <lu_zero@gentoo.org>	12 years ago
Luca Barbato	7e201d575d	jpeg2000: Validate block lengthinc Currently we are using an array with a static data size. Similar to a patch with the same purpose by Michael Niedermayer. Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Luca Barbato <lu_zero@gentoo.org>	12 years ago
Michael Niedermayer	278a923c51	jpeg2000: Validate SIZ parsing Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Luca Barbato <lu_zero@gentoo.org>	12 years ago
Michael Niedermayer	d3cb302b88	jpeg2000: Validate SOT parsing Avoid some overreads. Signed-off-by: Luca Barbato <lu_zero@gentoo.org>	12 years ago
Michael Niedermayer	ac921338a4	jpeg2000: Correctly calculate sgnd Signed-off-by: Luca Barbato <lu_zero@gentoo.org>	12 years ago
Michael Niedermayer	eae63e3c15	jpeg2000: Check component number in get_coc() and get_qcc() Avoid overreads. Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at> Signed-off-by: Nicolas Bertrand <nicoinattendu@gmail.com> Signed-off-by: Luca Barbato <lu_zero@gentoo.org>	12 years ago
Michael Niedermayer	1a3598aae7	jpeg2000: Use bytestream2 Prevent a number of overreads. Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Luca Barbato <lu_zero@gentoo.org>	12 years ago
Luca Barbato	5efadcb8cd	jpeg2000: Clean up return paths and error messages Signed-off-by: Luca Barbato <lu_zero@gentoo.org>	12 years ago
Luca Barbato	be3271009e	jpeg2000: Define the maximum decomposition levels And define the resolution levels according. Signed-off-by: Luca Barbato <lu_zero@gentoo.org>	12 years ago
Michael Niedermayer	fbcc03db8f	jpeg2000: Check code-block size 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
Luca Barbato	5650e331a7	jpeg2000: Validate resolution levels There are 32 maximum decomposition levels, thus 33 resolution levels. Signed-off-by: Luca Barbato <lu_zero@gentoo.org>	12 years ago
Michael Niedermayer	a35494c566	h264: fix indention of xchg_mb_border() Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	f27b22b497	h264: move 444 border xchg under if (deblock_top) Fixes out of array access Fixes Ticket2668 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	b791a0831b	avcodec/x86/dsputil_init: only use xvid idct for lowres=0 Fixes crash Fixes Ticket2714 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Luca Barbato	8bd9039900	Revert "indeo5: reject negative motion vectors" Negative motion vectors are possible. This reverts commit `1194a41080`.	12 years ago
Luca Barbato	b36e1893ef	indeo: check for reference when inheriting mvs The same is done already for qdelta. Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind CC: libav-stable@libav.org	12 years ago
Luca Barbato	1194a41080	indeo5: reject negative motion vectors Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind CC: libav-stable@libav.org	12 years ago
Luca Barbato	dd3754a488	indeo: use proper error code	12 years ago
Luca Barbato	7388c0c586	indeo: Properly forward the error codes If the tile data size does not match the buffer size it did not return an AVERROR_INVALIDDATA causing futher corruption later. Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind CC: libav-stable@libav.org	12 years ago
Carl Eugen Hoyos	b42bcaef29	Avoid a null pointer dereference in avcodec_decode_audio4(). This could happen if oom occured while probing a file. Fixes ticket #2722.	12 years ago
Michael Niedermayer	709cae2bcb	vorbisdec: Check VLC tables during use instead of setup Fixes regression and Ticket2720 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	ae038c0914	vorbisdec: propagate errors from setup_classifs() Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Loren Merritt	1221bb6239	x86: lpc: fix a segfault in av_evaluate_lls_sse2()	12 years ago
Carl Eugen Hoyos	712ef25116	Avoid a null pointer dereference after oom on frame size change in mpegvideo.c. Fixes ticket #2735.	12 years ago

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25007 Commits (148310ca1659e3be95a2e87a8e30d1894a32d6d6)