FFmpeg

Commit Graph

Author	SHA1	Message	Date
Zuxy Meng	2ffb22d2ad	use xorps instead of mulps to toggle the sign of a float, as suggested by Software Optimization Guide for AMD64 Processors. Patch by Zuxy Meng < zuxy POIS meng AH gmail POIS com > OKed by Michael Original thread: Date: Mar 5, 2006 8:15 PM Subject: [Ffmpeg-devel] [PATCH] Little optimization to fft_sse.c Originally committed as revision 5112 to svn://svn.ffmpeg.org/ffmpeg/trunk	19 years ago
Loren Merritt	d84f7c61ee	gcc2.95 workaround Originally committed as revision 5111 to svn://svn.ffmpeg.org/ffmpeg/trunk	19 years ago
Loren Merritt	7a5b2fa812	remove some useless instructions Originally committed as revision 5109 to svn://svn.ffmpeg.org/ffmpeg/trunk	19 years ago
Loren Merritt	6a8eb0f45a	4% faster h264_qpel_mc Originally committed as revision 5094 to svn://svn.ffmpeg.org/ffmpeg/trunk	19 years ago
Loren Merritt	ef9d1d1575	h264: special case dc-only idct. ~1% faster overall Originally committed as revision 4971 to svn://svn.ffmpeg.org/ffmpeg/trunk	19 years ago
Loren Merritt	4e295993ba	10l in 1.12 Originally committed as revision 4965 to svn://svn.ffmpeg.org/ffmpeg/trunk	19 years ago
Loren Merritt	6ee669732d	10l (x86_64) Originally committed as revision 4952 to svn://svn.ffmpeg.org/ffmpeg/trunk	19 years ago
Loren Merritt	e545f37527	18% faster put_h264_qpel16_mc[13]2_mmx2 Originally committed as revision 4951 to svn://svn.ffmpeg.org/ffmpeg/trunk	19 years ago
Loren Merritt	c03ce51dfb	11% faster put_h264_qpel16_v_lowpass_mmx2 Originally committed as revision 4950 to svn://svn.ffmpeg.org/ffmpeg/trunk	19 years ago
Loren Merritt	0331f09237	15% faster put_h264_qpel16_hv_lowpass_mmx2 Originally committed as revision 4949 to svn://svn.ffmpeg.org/ffmpeg/trunk	19 years ago
Steve L'Homme	68b51e58ce	MSVC-compatible __align8/__align16 declaration patch by Steve Lhomme, steve .dot. lhomme .at. free .dot. fr Originally committed as revision 4942 to svn://svn.ffmpeg.org/ffmpeg/trunk	19 years ago
Diego Biurrun	5509bffa88	Update licensing information: The FSF changed postal address. Originally committed as revision 4842 to svn://svn.ffmpeg.org/ffmpeg/trunk	19 years ago
Loren Merritt	e8b562087d	tweak h264_biweight Originally committed as revision 4835 to svn://svn.ffmpeg.org/ffmpeg/trunk	19 years ago
Loren Merritt	cec9395977	fix some potential arithmetic overflows in pred_direct_motion() and ff_h264_weight_WxH_mmx2(). Originally committed as revision 4795 to svn://svn.ffmpeg.org/ffmpeg/trunk	19 years ago
Diego Biurrun	bb270c0896	COSMETICS: tabs --> spaces, some prettyprinting Originally committed as revision 4764 to svn://svn.ffmpeg.org/ffmpeg/trunk	19 years ago
Diego Biurrun	115329f160	COSMETICS: Remove all trailing whitespace. Originally committed as revision 4749 to svn://svn.ffmpeg.org/ffmpeg/trunk	19 years ago
Guillaume Poirier	f6d1338cb5	Add the rest of missing Reg_* macros to support both AMD-64 style regs and IA32 regs. Not used yet, but should be once the SIMD code to accelerate Snow decoding is merged. Originally committed as revision 4731 to svn://svn.ffmpeg.org/ffmpeg/trunk	19 years ago
Loren Merritt	ea15df8048	use sse16_sse2() in nsse Originally committed as revision 4688 to svn://svn.ffmpeg.org/ffmpeg/trunk	19 years ago
Loren Merritt	a6624e21cb	faster h264_chroma_mc8_mmx, added h264_chroma_mc4_mmx. 2-4% overall speedup. Originally committed as revision 4666 to svn://svn.ffmpeg.org/ffmpeg/trunk	19 years ago
Loren Merritt	b926572aa9	h264 mmx weighted prediction. up to 3% overall speedup. Originally committed as revision 4630 to svn://svn.ffmpeg.org/ffmpeg/trunk	19 years ago
Loren Merritt	5693c08356	sse2 16x16 sum squared diff (306=>268 cycles on a K8) faster 8x8 mmx ssd (77=>70 cycles) Originally committed as revision 4623 to svn://svn.ffmpeg.org/ffmpeg/trunk	19 years ago
Michael Niedermayer	12e9668119	replace a few mov + psrlq with pshufw, there are more cases which could benefit from this but they would require us to duplicate some functions ... the trick is from various places (my own code in libpostproc, a patch on the x264 list, ...) Originally committed as revision 4608 to svn://svn.ffmpeg.org/ffmpeg/trunk	19 years ago
Reimar Döffinger	cd7af76d9e	Fix compile without CONFIG_GPL, misplaced #endif caused a missing }. Originally committed as revision 4575 to svn://svn.ffmpeg.org/ffmpeg/trunk	19 years ago
Michael Niedermayer	9f211bc6d7	remove unused table entries change non portable table access Originally committed as revision 4574 to svn://svn.ffmpeg.org/ffmpeg/trunk	19 years ago
Michael Niedermayer	84740d5980	xvids mmx&mmx2 idcts needed to decode xvid without some minor artefacts under #ifdef CONFIG_GPL of course Originally committed as revision 4572 to svn://svn.ffmpeg.org/ffmpeg/trunk	19 years ago
Måns Rullgård	79396ac685	Kill some compiler warnings. Compiled code verified identical after changes. Originally committed as revision 4567 to svn://svn.ffmpeg.org/ffmpeg/trunk	19 years ago
Michael Niedermayer	d3a9f79871	simplify (d&a) and (d&~a) calculation, hint by skal Originally committed as revision 4552 to svn://svn.ffmpeg.org/ffmpeg/trunk	19 years ago
Michael Niedermayer	b5b65df7a9	add consts (this was in my local tree, dunno where it came from, probably forgoten from some const patch) Originally committed as revision 4551 to svn://svn.ffmpeg.org/ffmpeg/trunk	19 years ago
Måns Rullgård	bf4e3bd2d0	kill a bunch of compiler warnings Originally committed as revision 4522 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago
Alexander Strasser	c11c2bc20b	libavutil: Utility code from libavcodec moved to a separate library. Originally committed as revision 4489 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago
Loren Merritt	d2bb7db135	sort H.264 mmx dsp functions into their own file Originally committed as revision 4338 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago
Michael Niedermayer	c26ae41db2	adding a few const Originally committed as revision 4337 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago
Michael Niedermayer	435b0720a8	100l for myself (breaking amd64) Originally committed as revision 4336 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago
Michael Niedermayer	6510f43cf3	merge a few asm blocks so gcc cant unoptimize it (658->631 dezicycles on duron) Originally committed as revision 4334 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago
Michael Niedermayer	987ae784e6	get rid of 2 movq (680 -> 658 dezicycles on duron) Originally committed as revision 4333 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago
Michael Niedermayer	e4b36d4434	avoid one transpose (730->680 dezicycles on duron) Originally committed as revision 4332 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago
Loren Merritt	85bbfcd4ee	10l (symbol mangling) Originally committed as revision 4331 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago
Michael Niedermayer	1f3dbc09b1	add rounding bias before the horizontal idct (765->730 dezicyles on duron) Originally committed as revision 4330 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago
Loren Merritt	1d62fc8560	MMX for H.264 iDCT (adapted from x264) Originally committed as revision 4329 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago
Zoltán Hidvégi	3072f0cb2e	MMX code for (put\|avg)_h264_chroma_mc8 Originally committed as revision 4305 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago
Loren Merritt	5cf08f2393	H.264 deblocking optimizations (mmx for chroma_bS4 case, convert existing cases to 8-bit math) Originally committed as revision 4271 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago
Michael Niedermayer	5773a74669	porting the mmx&sse2 (sse2 untested) vp3 idcts to the lavc idct API Originally committed as revision 4260 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago
Michael Niedermayer	b178f758fa	disabling vp3 mmx&mmx2 idcts, they must be ported over to the lavc idct API, ill port the vp3 c idct Originally committed as revision 4255 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago
Michael Niedermayer	c998bdd9a0	fix PIC Originally committed as revision 4204 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago
Loren Merritt	42251a2a4f	MMX for H.264 deblocking filter Originally committed as revision 4158 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago
Michael Niedermayer	4e492bf107	read 32bit instead of 64bit to avoid overreading and missalignments Originally committed as revision 4133 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago
Martin Drab	4d9ae03b09	optimization and gcc 4.0 bug workaround patch by (Martin Drab >drab kepler.fjfi.cvut cz<) Originally committed as revision 3945 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago
Michael Niedermayer	e42a152bbc	x86 cpu capabilities detection rewrite / cleanup Originally committed as revision 3750 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago
Matthieu Castet	e7ddb0cf4c	detect sse on athlon-xp patch by (matthieu castet <castet >.< matthieu >at< free >.< fr>) Originally committed as revision 3729 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago
Michael Niedermayer	1c3990dbba	H.261 encoder by (Maarten Daniels <maarten dot daniels at luc dot ac dot be>) Originally committed as revision 3643 to svn://svn.ffmpeg.org/ffmpeg/trunk	20 years ago

1 2 3 4 5

230 Commits (e027d0a81ee012b3876a616f49dd84be66ff34f5)