FFmpeg

Commit Graph

Author	SHA1	Message	Date
James Almer	c9f2ec8a34	jpeg2000: split off inverse MCT decoding as Jpeg2000DSP This makes the addition of arch optimized functions easier. Reviewed-by: Michael Niedermayer <michaelni@gmx.at> Signed-off-by: James Almer <jamrial@gmail.com>	10 years ago
Vittorio Giovara	cbc808d726	jpeg2000: enable 4 component pixel formats Bug-Id: 721 CC: libav-stable@libav.org Sample-Id: 31230.mov	11 years ago
Diego Biurrun	fe4d5fe936	jpeg2000: Mark static data init functions as av_cold	11 years ago
Carl Eugen Hoyos	ced0d6c14d	Use correct msvc type specifiers for ptrdiff_t and size_t. The Windows runtime aborts if it finds %t or %z. Fixes ticket #3472. Reviewed-by: Ronald Bultje	11 years ago
Diego Biurrun	cc8163e1a3	avcodec: more correct printf specifiers	11 years ago
Lukasz Marek	aeb2905fb7	lavc/jpeg2000dec: silent warning discards qualifiers Signed-off-by: Lukasz Marek <lukasz.m.luki@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	8001e9f7d1	avcodec/jpeg2000dec: fix error detection in pix_fmt_match() Fixes out of array accesses with CODEC_FLAG_EMU_EDGE Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	723e7b86ea	avcodec/jpeg2000dec: calculate planar and pixelsize from pixel format descriptor Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	55fa898969	avcodec/jpeg2000dec: zero Jpeg2000QuantStyle structure before use in get_qcd() Fixes: msan_uninit-mem_7f50b84aac30_6823_mjp2.mov Fixes use of uninitialized memory Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	3d5a5e86be	avcodec/jpeg2000dec: Check precno before using it in JPEG2000_PGOD_CPRL Fixes out of array reads Fixes: asan_heap-oob_f0de57_6823_mjp2.mov Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	780669ef7c	avcodec/jpeg2000dec: non zero image offsets are not supported Fixes out of array accesses Fixes Ticket3080 Found-by: ami_stuff Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	a1b9004b76	avcodec/jpeg2000dec: fix context consistency with too large lowres Fixes out of array accesses Fixes Ticket2898 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	fe448cd28d	avcodec/jpeg2000dec: prevent out of array accesses in pixel addressing Fixes Ticket2921 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	ac3b01a9c0	avcodec/jpeg2000dec: check transform equality in MCT Fixes null pointer dereference Fixes Ticket2843 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Luca Barbato	1018a92219	jpeg2000: Check block length Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind CC: libav-stable@libav.org	11 years ago
Michael Niedermayer	fcd19d6c8d	avcodec/jpeg2000dec: Zero code and quant style This prevents future frames from using half initialized/inconsistent structures Fixes assertion failure Fixes Ticket2897 Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	2dd38a1d48	avcodec/jpeg2000dec: move "missing SIZ" check up Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Martin Storsjö	18a245a2ae	jpeg2000dec: Add more checks when parsing headers Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind CC: libav-stable@libav.org Signed-off-by: Martin Storsjö <martin@martin.st>	11 years ago
Clément Bœsch	04427182bc	avcodec: typo fix sepera* → separa*	11 years ago
Michael Niedermayer	e428632c1a	avcodec/jpeg2000dec: print invalid cdx/y values Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Carl Eugen Hoyos	f99f7f4025	Set bits_per_raw_sample when reading j2k frames.	11 years ago
Michael Niedermayer	4ced30908f	avcodec/jpeg2000dec: make SOC finding code more robust Fixes file from Ticket860 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	11 years ago
Michael Niedermayer	9a271a9368	jpeg2000: check log2_cblk dimensions Fixes out of array access Fixes Ticket2895 Found-by: Piotr Bandurski <ami_stuff@o2.pl> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	8bb11c3ca7	avcodec/jpeg2000dec: Check cdx/y values more carefully Some invalid values where not handled correctly in the later pixel format matching code. Fixes out of array accesses Fixes Ticket2848 Found-by: Piotr Bandurski <ami_stuff@o2.pl> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	63c0e9077e	avcodec/jpeg2000dec: fix near null pointer dereference Fixes Ticket2840 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	5cd57e8758	avcodec/jpeg2000dec: check sample sepration for validity Fixes division by 0 Fixes Ticket2841 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	bff371e34c	jpeg2000dec: simplify jpeg2000_read_bitstream_packets() 23 lines less less error prone as theres no more need to update *_size on every read Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	1434df3b93	jpeg2000dec: Support non subsampled 9-16bit planar pixel formats This applies changes similar to `fc6de70c44` to the >8bit codepath Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	db33010483	jpeg2000dec: silence unused variable warning Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	fc6de70c44	jpeg2000dec: Support non subsampled 8bit planar pixel formats Fixes file2.jp2 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Michael Niedermayer	99de97cabf	jpeg2000dec: parse CDEF Signed-off-by: Michael Niedermayer <michaelni@gmx.at> Conflicts: libavcodec/jpeg2000dec.c Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	12 years ago
Carl Eugen Hoyos	b39a6bbe7f	Fix pix_fmt detection in the native jpeg2000 decoder. Based on `b7a928b` by Michael Bradshaw. Fixes ticket #2683. Reviewed-by: Nicolas Bertrand	12 years ago
Nicolas Bertrand	f56fe04de3	jpeg2000: Initialize only once mqc arrays Improves decoding speed. Signed-off-by: Luca Barbato <lu_zero@gentoo.org>	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
Nicolas Bertrand	dd1382ac95	jpeg2000: Initialize only once mqc arrays Increases encoding and decoding speed Signed-off-by: Michael Niedermayer <michaelni@gmx.at>	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	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	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
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	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

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275 Commits (36cf42252152cf2c385c43a9053deac03ed2dcd9)