FFmpeg

Commit Graph

Author	SHA1	Message	Date
Jason Garrett-Glaser	d222f6e39e	cabac: x86 version of get_cabac_bypass Signed-off-by: Luca Barbato <lu_zero@gentoo.org>	12 years ago
Kostya Shishkov	410066986f	aic: use chroma scan tables while decoding luma component in progressive mode For some unclear reason Apple decided to use the same scan tables for luma and chroma in the progressive mode while using different ones for luma in the interlaced mode.	12 years ago
Michael Niedermayer	95a57d26d8	jpeg2000: Use the matching coding style struct for transform selection Fixes a null pointer dereference. 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	c4604b8792	jpeg2000: Merge rescaling with interleaving in 9/7 IDWT Signed-off-by: Luca Barbato <lu_zero@gentoo.org>	12 years ago
Michael Niedermayer	22e18ea39e	jpeg2000: Optimize output sample conversion 67935 -> 29984 kcycles Reviewed-by: Nicolas BERTRAND <nicoinattendu@gmail.com> Signed-off-by: Luca Barbato <lu_zero@gentoo.org>	12 years ago
Michael Niedermayer	f0552e63a6	jpeg2000: Reset s->numX/Ytiles on tile deallocation Keep the structure fields more consistent after cleanup. 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	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	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	d57c737ac3	jpeg2000: Simplify jpeg2000_decode_packets() Raise PATCHWELCOME error in case of non-implemented progression order. 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	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	aa16bbaf9b	jpeg2000: Refactor SOT marker parsing Signed-off-by: Luca Barbato <lu_zero@gentoo.org>	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	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	5b73916d34	jpeg2000: Simplify init_tile() 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	db13e02c6f	jpeg2000: Compute corrections of sub-band coordinates 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	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	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	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	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	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	4cbd5ed11b	jpeg2000: Fix compute precedence error in lut_gain index 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	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	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	2c3901b2c3	jpeg2000: Remove unneeded returns 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	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	86a2602e16	jpeg2000: Drop unused and writeonly fields 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	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	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	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	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
Anton Khirnov	8ad3267ce3	oggdec: do not fall back on binary search in the generic code. Binary search is already attempted in the format-specific seek function, so the fallback is only reached if binary search failed already.	12 years ago
Loren Merritt	c8b920a9b7	lls/x86: use 3-operator vaddpd in ADDPD_MEM Fixes build with yasm-1.1 Signed-off-by: Anton Khirnov <anton@khirnov.net>	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

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