FFmpeg

Commit Graph

Author	SHA1	Message	Date
Zuxy Meng	25e4f8aaee	Faster SSE FFT/MDCT, patch by Zuxy Meng %zuxy P meng A gmail P com% unrolls some loops, utilizing all 8 xmm registers. fft-test shows ~10% speed up in (I)FFT and ~8% speed up in (I)MDCT on Dothan Originally committed as revision 9017 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Loren Merritt	ff506a906e	sse2 & ssse3 versions of dct_quantize. core2: mmx2=154 sse2=73 ssse3=66 (cycles) k8: mmx2=179 sse2=149 p4: mmx2=284 sse2=194 Originally committed as revision 9003 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Loren Merritt	1edbfe1994	factor sum_abs_dctelem out of dct_sad, and simd it. sum_abs_dctelem_* alone: core2: c=186 mmx2=39 sse2=21 ssse3=13 (cycles) k8: c=163 mmx2=33 sse2=31 p4: c=370 mmx2=60 sse2=60 dct_sad including sum_abs_dctelem_*: core2: c=405 mmx2=258 sse2=240 ssse3=232 k8: c=624 mmx2=394 sse2=392 p4: c=849 mmx2=556 sse2=556 Originally committed as revision 9001 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Loren Merritt	561f940c03	sse2 & ssse3 versions of hadamard. unroll and inline diff_pixels. core2: before mmx2=193 cycles. after mmx2=174 sse2=122 ssse3=115 (cycles). k8: before mmx2=205. after mmx2=184 sse2=180. p4: before mmx2=342. after mmx2=314 sse2=309. Originally committed as revision 9000 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Loren Merritt	ba53071acb	10l, r8991 broke mmx1 sad Originally committed as revision 8993 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Loren Merritt	72946825fa	sse2 version of fullpel sad. 16% faster on core2, 5% faster on p4. 10% slower (and thus disabled) on k8. Originally committed as revision 8992 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Loren Merritt	164d75ebf3	tweak mmx2 sad. 40% faster on core2, 18% faster on k8, 5% faster on p4. Originally committed as revision 8991 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Loren Merritt	eca3810e31	tweak mmx2 sad. 6% faster on core2 and k8, no change on p4. Originally committed as revision 8984 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Loren Merritt	7c3a9fe2a3	sse2 version of fdct_col. k8: 72->61 cycles, core2: 51->26 cycles. Originally committed as revision 8966 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Loren Merritt	5adf43e47e	cosmetics: remove code duplication in hadamard8_diff_mmx Originally committed as revision 8946 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Loren Merritt	bba5293bb7	cosmetics: remove duplicate transpose macro Originally committed as revision 8939 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Reimar Döffinger	a1ce61108b	Fix parts missed in clip -> av_clip rename Originally committed as revision 8760 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Diego Biurrun	fe0372296a	typos Originally committed as revision 8642 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Loren Merritt	5900637219	mmx 16-bit ssd. 2.3x faster svq1 encoding. Originally committed as revision 8559 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Diego Biurrun	d42f88025a	Fix wrong conditional, Snow decoding, not encoding, was SIMD-accelerated. Originally committed as revision 8116 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Michael Niedermayer	58e31fb1d5	reorder a few more paddws to reduce dependancy chains chroma mc4 put 2480 -> 2460 dezicyles on duron Originally committed as revision 8098 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Michael Niedermayer	b4fe97696c	reorder paddws to reduce dependancy chain put_h264_chroma_mc2_mmx2() 927 -> 902 dezicyles on duron Originally committed as revision 8097 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Michael Niedermayer	0c67082e02	shortening dependancy chain in chroma mc2 Originally committed as revision 8095 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Michael Niedermayer	af26516261	remove now wrong comment Originally committed as revision 8094 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Michael Niedermayer	61240ae556	fix chroma mc2 bug, this is based on a patch by (Oleg Metelitsa oleg hitron co kr) and does slow the mc2 chroma put down, avg interrestingly seems unaffected speedwise on duron this of course should be rather done in a way which doesnt slow it down but its better a few % slower but correct then incorrect Originally committed as revision 8093 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Michael Niedermayer	470d2d03cc	gcc 2.95 fix Originally committed as revision 8059 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Måns Rullgård	459022f504	fix for x86-64 Originally committed as revision 8022 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Michael Niedermayer	b21e0b6dfc	rewrite H264_CHROMA_MC4_TMPL (20% faster) Originally committed as revision 8012 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Michael Niedermayer	2a115873af	add a few asserts to ensure alignment Originally committed as revision 7994 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Michael Niedermayer	00e210ddbb	prevent h.264 MC related functions from being inlined (yes this is much faster the code just doesnt fit in the code cache otherwise) Originally committed as revision 7993 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Reimar Döffinger	392b76ca93	Minor AMD64 compilation fix Originally committed as revision 7907 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Michael Niedermayer	9bc0d3ef3e	maybe fix x86_64 (untested) Originally committed as revision 7906 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Michael Niedermayer	7c4fd7eb0c	factor out common subexprssion (gcc of course is too stupid to do this ...) 5% faster avg_h264_chroma_mc2_mmx2() 10% faster put_h264_chroma_mc2_mmx2() Originally committed as revision 7898 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Michael Niedermayer	9301a0b4a9	merge asm fragments in H264_CHROMA_MC2_TMPL() 10% faster avg_h264_chroma_mc2_mmx2() 5% faster put_h264_chroma_mc2_mmx2() Originally committed as revision 7897 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Panagiotis Issaris	9dd6c80453	Add the const specifier as needed to reduce the number of warnings. Originally committed as revision 7764 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Diego Biurrun	9688979c51	Fix some more license headers. Originally committed as revision 7637 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Guillaume Poirier	5a5c770d5a	Add SSSE3 (Core2 aka Conroe/Merom/Woodcrester new instructions) detection Originally committed as revision 7332 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Måns Rullgård	849f10351d	rename always_inline to av_always_inline and move to common.h Originally committed as revision 7256 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Måns Rullgård	486497e07b	revert bad checkin Originally committed as revision 7044 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Måns Rullgård	be6ed6fff4	move some CFLAGS settings away from config.* writing section Originally committed as revision 7043 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Måns Rullgård	7466ed2f02	zigzag_direct_noperm doesn't exist, remove declaration Originally committed as revision 6998 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Måns Rullgård	36cd306907	rename inverse -> ff_inverse Originally committed as revision 6990 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Måns Rullgård	bb54f6ab62	adding more static keywords Originally committed as revision 6976 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Michael Niedermayer	079e61db5d	ensure alignment (no speed change) Originally committed as revision 6891 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Michael Niedermayer	f5a9e8f33d	merging mov & and (no speedchange) Originally committed as revision 6889 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Michael Niedermayer	e80cf125a7	2 instructions less (same speed) Originally committed as revision 6888 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Michael Niedermayer	9347118237	comment about failed optimization Originally committed as revision 6887 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Michael Niedermayer	38cfdc83f0	move luma tc0 related init into asm 5% faster filter_mb_fast() on P3 Originally committed as revision 6884 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Michael Niedermayer	25225c3773	2 instructions less in h264_loop_filter_luma_mmx2() Originally committed as revision 6882 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Michael Niedermayer	bda2203d56	preempt possible overflow Originally committed as revision 6881 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Michael Niedermayer	5a1553dee3	1 instruction less Originally committed as revision 6880 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Michael Niedermayer	e9f1885c21	optimize H264_DEBLOCK_P0_Q0 2.5% faster filter_mb_fast() on P3 Originally committed as revision 6877 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Diego Biurrun	7c428ea681	Put libmpeg2 IDCT functions under CONFIG_GPL, fixes link failure with --disable-opts. Originally committed as revision 6691 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Diego Biurrun	c26abfa541	Rename ABS macro to FFABS. Originally committed as revision 6666 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Diego Biurrun	b78e7197a8	Change license headers to say 'FFmpeg' instead of 'this program/this library' and fix GPL/LGPL version mismatches. Originally committed as revision 6577 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago

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386 Commits (cd195f14c6d9a20a932ff94f9d02f470de13cd14)