FFmpeg

Commit Graph

Author	SHA1	Message	Date
Michael Niedermayer	ce611a27be	Change rounding of the horizontal DWT to match the vertical one. This allows some simplifications and optimizations and should not have any effect on quality. Originally committed as revision 10172 to svn://svn.ffmpeg.org/ffmpeg/trunk	17 years ago
Michael Niedermayer	30cd3e66bd	remove code which become unused by the previous changes Originally committed as revision 10166 to svn://svn.ffmpeg.org/ffmpeg/trunk	17 years ago
Michael Niedermayer	72dee89b5d	Simplify and optimize the 4th vertical lifting step of the SSE2 code (untested) This also reduces the needed headroom in that step by 1 bit Originally committed as revision 10165 to svn://svn.ffmpeg.org/ffmpeg/trunk	17 years ago
Michael Niedermayer	d0dae46a90	Simplify and optimize the 4th vertical lifting step of the MMX code This also reduces the needed headroom in that step by 1 bit Originally committed as revision 10164 to svn://svn.ffmpeg.org/ffmpeg/trunk	17 years ago
Michael Niedermayer	1ffbbef217	Simplify and speedup code, reduce needed headroom by 2 bits in the 3rd vertical lifting step of the SSE2 code (untested) Originally committed as revision 10163 to svn://svn.ffmpeg.org/ffmpeg/trunk	17 years ago
Michael Niedermayer	4bf1790421	simplify, speedup and reduce needed headroom by 2 bits in the 3rd vertical lifting step Originally committed as revision 10162 to svn://svn.ffmpeg.org/ffmpeg/trunk	17 years ago
Michael Niedermayer	dd30437bbe	replace <<1 by add for SSE2 (untested) Originally committed as revision 10161 to svn://svn.ffmpeg.org/ffmpeg/trunk	17 years ago
Michael Niedermayer	7e665a3943	replace <<1 by add Originally committed as revision 10160 to svn://svn.ffmpeg.org/ffmpeg/trunk	17 years ago
Michael Niedermayer	eee649d3b5	slightly change horizontal lift3 so it needs 1 bit less headroom Originally committed as revision 10159 to svn://svn.ffmpeg.org/ffmpeg/trunk	17 years ago
Michael Niedermayer	be3b22f9ca	remove idiotc double subtraction from the sse2 code (untested, no sse2 here) Originally committed as revision 10158 to svn://svn.ffmpeg.org/ffmpeg/trunk	17 years ago
Michael Niedermayer	8510c519e7	fixme note Originally committed as revision 10157 to svn://svn.ffmpeg.org/ffmpeg/trunk	17 years ago
Michael Niedermayer	3a9f44d5d5	and of course the unneeded double subtractions were blindly put in the mmx code this also makes the affected code 4% faster Originally committed as revision 10156 to svn://svn.ffmpeg.org/ffmpeg/trunk	17 years ago
Aurelien Jacobs	73f51a4d3e	help some gcc version to optimize out those functions Originally committed as revision 9785 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Aurelien Jacobs	674eeb5f57	cosmetics: indentation Originally committed as revision 9582 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Aurelien Jacobs	eb75a69818	Avoid linking with h263.c functions when the relevant codecs are not compiled in. Originally committed as revision 9581 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Måns Rullgård	a00177a952	make arguments to ssd_int8_vs_int16() const Originally committed as revision 9548 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Diego Biurrun	09a6682648	typos Originally committed as revision 9486 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Diego Biurrun	e5a389a1b7	license header consistency cosmetics Originally committed as revision 9484 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Diego Biurrun	7b94177e37	Group all copyright and author notices together. Originally committed as revision 9483 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Guillaume Poirier	efb775777f	add a comment to indicate which #endif belong to which #define Originally committed as revision 9356 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Måns Rullgård	699b3f99d0	add multiple inclusion guards to headers Originally committed as revision 9345 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Måns Rullgård	8657d5e549	correct type for {put,avg}_h264_chroma_mc2_mmx2 Originally committed as revision 9333 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Diego Biurrun	90b5b51eab	misc typo fixes Originally committed as revision 9291 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Diego Biurrun	755bfeabcc	misc spelling fixes Originally committed as revision 9289 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Graham Booker	ee387b57fd	work around issues with the old version of Gnu Assembler shipped on Intel / OSX 10.4.9 patch by Graham Booker % gbooker A cod3r P com % Original thread: Date: May 25, 2007 11:51 PM Subject: [FFmpeg-devel] r9017 breaks WMA decoding on Intel Macs The patch: Date: Jun 3, 2007 4:37 PM Subject: Re: [FFmpeg-devel] r9017 breaks WMA decoding on Intel Macs Originally committed as revision 9260 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Diego Biurrun	34933442ac	Preprocessor #defines starting with __ are reserved for the system. Originally committed as revision 9251 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Ronald S. Bultje	3d4e3e560f	Use FFmpeg-specific CPU feature definitions. taken from a patch by Ronald S. Bultje, rbultje ronald.bitfreak net Date: Thu, 07 Jun 2007 08:57:46 -0400 Subject: Re: [FFmpeg-devel] [PATCH] Coremake support - ffmpeg_nommx.patch (1/1) - ffmpeg-nommx.patch (1/1) - ff-cputest-noavconfig.patch (1/1) Originally committed as revision 9250 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Carl Eugen Hoyos	154e30f6c2	rename attribute_unused to av_unused and moves its declaration to common.h patch by Carl Eugen Hoyos cehoyos chez ag or at original thread: [FFmpeg-devel] [PATCH] attribute_unused -> av_unused date: 05/29/2007 01:23 PM Originally committed as revision 9155 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Zuxy Meng	663deb54af	Remove incorrect comment; MMX2 is preferred over 3DNow! on Athlon Originally committed as revision 9079 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Zuxy Meng	038bfcf9d6	3DNow! and SSSE3 optimization to QNS DSP functions; use pmulhrw/pmulhrsw instead of pmulhw Originally committed as revision 9053 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Aurelien Jacobs	5b0b7054b4	better separation of vp3dsp functions from dsputil_mmx.c Originally committed as revision 9039 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Ronald S. Bultje	b550bfaa61	Add libavcodec to compiler include flags in order to simplify header include paths in the source files. mostly from a patch by Ronald S. Bultje, rbultje ronald.bitfreak net Originally committed as revision 9034 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Panagiotis Issaris	9b5dc86746	Make vp3dsp*.c compilation optional. Originally committed as revision 9025 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
Reimar Döffinger	e36d79c837	Change some leftover __attribute__((unused)) and __attribute__((used)) to attribute_unused and attribute_used respectively to ease compiling on non-gcc. Originally committed as revision 9024 to svn://svn.ffmpeg.org/ffmpeg/trunk	18 years ago
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

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370 Commits (830bf1f20d8087e76e3070840c02be7056cf781f)