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path: root/doc/optimization.txt
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2014-07-01Merge commit 'e3fcb14347466095839c2a3c47ebecff02da891e'Michael Niedermayer
* commit 'e3fcb14347466095839c2a3c47ebecff02da891e': dsputil: Split off IDCT bits into their own context Conflicts: configure libavcodec/aic.c libavcodec/arm/Makefile libavcodec/arm/dsputil_init_arm.c libavcodec/arm/dsputil_init_armv6.c libavcodec/asvdec.c libavcodec/dnxhdenc.c libavcodec/dsputil.c libavcodec/dvdec.c libavcodec/dxva2_mpeg2.c libavcodec/intrax8.c libavcodec/mdec.c libavcodec/mjpegdec.c libavcodec/mjpegenc_common.h libavcodec/mpegvideo.c libavcodec/ppc/dsputil_altivec.h libavcodec/ppc/dsputil_ppc.c libavcodec/ppc/idctdsp.c libavcodec/x86/Makefile libavcodec/x86/dsputil_init.c libavcodec/x86/dsputil_mmx.c libavcodec/x86/dsputil_x86.h Merged-by: Michael Niedermayer <michaelni@gmx.at>
2014-06-30dsputil: Split off IDCT bits into their own contextDiego Biurrun
2014-03-23Merge commit '57f09608e1600d1cf1679885a46f5004d522d68f'Michael Niedermayer
* commit '57f09608e1600d1cf1679885a46f5004d522d68f': dsputil: Move thirdpel-related bits into their own context Conflicts: libavcodec/svq3.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
2014-03-22dsputil: Move thirdpel-related bits into their own contextDiego Biurrun
2014-03-14Merge commit 'b4dd424d96f09f9bafb88e47f37df65dc4529143'Michael Niedermayer
* commit 'b4dd424d96f09f9bafb88e47f37df65dc4529143': Remove all SPARC architecture optimizations Conflicts: Makefile configure libavcodec/sparc/dsputil_vis.c libavcodec/sparc/dsputil_vis.h libavcodec/sparc/hpeldsp_vis.c libavcodec/sparc/simple_idct_vis.c libavcodec/sparc/vis.h libswscale/sparc/yuv2rgb_vis.c libswscale/swscale_internal.h If someone wants to maintain these (or other) SPARC optimizations, please contact me or ffmpeg-devel. I am happy to revert this removial if theres someone considering to maintain this code. Merged-by: Michael Niedermayer <michaelni@gmx.at>
2014-03-13Remove all SPARC architecture optimizationsDiego Biurrun
SPARC is no longer being used in any multimedia-related fields and the VIS optimizations only represent a maintenance burden.
2013-01-23Merge commit '88bd7fdc821aaa0cbcf44cf075c62aaa42121e3f'Michael Niedermayer
* commit '88bd7fdc821aaa0cbcf44cf075c62aaa42121e3f': Drop DCTELEM typedef Conflicts: libavcodec/alpha/dsputil_alpha.h libavcodec/alpha/motion_est_alpha.c libavcodec/arm/dsputil_init_armv6.c libavcodec/bfin/dsputil_bfin.h libavcodec/bfin/pixels_bfin.S libavcodec/cavs.c libavcodec/cavsdec.c libavcodec/dct-test.c libavcodec/dnxhdenc.c libavcodec/dsputil.c libavcodec/dsputil.h libavcodec/dsputil_template.c libavcodec/eamad.c libavcodec/h264_cavlc.c libavcodec/h264idct_template.c libavcodec/mpeg12.c libavcodec/mpegvideo.c libavcodec/mpegvideo.h libavcodec/mpegvideo_enc.c libavcodec/ppc/dsputil_altivec.c libavcodec/proresdsp.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
2013-01-23Drop DCTELEM typedefDiego Biurrun
It does not help as an abstraction and adds dsputil dependencies. Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
2012-10-31Merge commit '652f5185945c8405fc57aed353286858df8d066f'Michael Niedermayer
* commit '652f5185945c8405fc57aed353286858df8d066f': x86: mmx2 ---> mmxext in comments and messages Conflicts: libswscale/x86/swscale_template.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
2012-10-31x86: mmx2 ---> mmxext in comments and messagesDiego Biurrun
2011-04-08fix another forgotten mplayerhq.hu linkMichael Niedermayer
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2011-03-17Revert "replace FFmpeg with Libav in doc/"Michael Niedermayer
This reverts commit f8a45fa1b1764b34d4263eacd93411e8ba0484a4. Conflicts: doc/optimization.txt
2011-03-17Merge remote-tracking branch 'newdev/master'Michael Niedermayer
Conflicts: Changelog doc/APIchanges doc/optimization.txt libavformat/avio.h Merged-by: Michael Niedermayer <michaelni@gmx.at>
2011-03-17replace FFmpeg with Libav in doc/Janne Grunau
unless it stands for ffmpeg the program or is historic
2011-03-14Update the url to the site website and change ffmpeg-devel to libav-develJohan Andersson
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
2011-02-09Documentation updates for the git migrationReinhard Tartler
This cleanup patch updates the developer documentation with respect to the migration to the git scm. (cherry picked from commit 87800dc2bf8f2724a99e51bb079ad7fb4b9dfd3b)
2011-02-09Documentation updates for the git migrationReinhard Tartler
This cleanup patch updates the developer documentation with respect to the migration to the git scm.
2010-10-06doc: mention xmm clobber macros usageRamiro Polla
Originally committed as revision 25364 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-09-24Update docs regarding writing optimizations:Ronald S. Bultje
- mention clobber-marking of xmm registers, - some notes on external vs. inline asm, including tips on which to use for what situation and to not rewrite+improve in the same patch (as with C code) - some more best-practice guidelines See "[PATCH] update doc/optimization.txt" thread on ML. Originally committed as revision 25170 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-09-22Fix typo (instruciton -> instruction).Ronald S. Bultje
Originally committed as revision 25157 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-25Change mplayerhq.hu references to ffmpeg.org where appropriate.Diego Biurrun
Originally committed as revision 16310 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-22Rename libavcodec/i386/ --> libavcodec/x86/.Diego Biurrun
It contains optimizations that are not specific to i386 and libavutil uses this naming scheme already. Originally committed as revision 16270 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-10-16Convert asm keyword into __asm__.Diego Pettenò
Neither the asm() nor the __asm__() keyword is part of the C99 standard, but while GCC accepts the former in C89 syntax, it is not accepted in C99 unless GNU extensions are turned on (with -fasm). The latter form is accepted in any syntax as an extension (without requiring further command-line options). Sun Studio C99 compiler also does not accept asm() while accepting __asm__(), albeit reporting warnings that it's not valid C99 syntax. Originally committed as revision 15627 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-05-27Add Intel IWMMXT2 link, patch by Dmitry Antipov, dmantipov yandex ru.Dmitry Antipov
Originally committed as revision 13467 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-02-21minor English correctionsMike Melanson
Originally committed as revision 12171 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-02-21typosMichael Niedermayer
Originally committed as revision 12170 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-02-21"General Tips" sectionMichael Niedermayer
Originally committed as revision 12168 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-01-23clarify previous revision on optimization justificationMike Melanson
Originally committed as revision 11598 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-01-22Ministry of English Composition editsMike Melanson
Originally committed as revision 11597 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-01-22Cosmetics to speed up finding sections of interest.Michael Niedermayer
Originally committed as revision 11596 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-01-22"What speedup justifies an optimization" sectionMichael Niedermayer
Originally committed as revision 11595 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-10-02cosmetics: Fix AltiVec spelling.Diego Biurrun
Originally committed as revision 10639 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-09-05Fix links to ARM documentationGuillaume Poirier
Originally committed as revision 10399 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-08-26add a link to VIS instructions whitepaperDominik Mierzejewski
Originally committed as revision 10235 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-08-25more sparc asm docsMichael Niedermayer
Originally committed as revision 10215 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-08-23PowerPC/CELL/Altivec pointersLuca Barbato
Originally committed as revision 10197 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-08-23sparc asm docsMichael Niedermayer
Originally committed as revision 10194 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-08-23simd gmc wasn't impossible.Loren Merritt
Originally committed as revision 10191 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-01-08links to ARM optimization manualsGuillaume Poirier
Originally committed as revision 7425 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-06-09www1.mplayerhq.hu --> lists.mplayerhq.huDiego Biurrun
Originally committed as revision 5459 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-06-09CVS --> SubversionDiego Biurrun
Originally committed as revision 5458 to svn://svn.ffmpeg.org/ffmpeg/trunk
2005-06-12Rephrase a paragraph for ease of understanding, suggested by Mans.Diego Biurrun
Originally committed as revision 4379 to svn://svn.ffmpeg.org/ffmpeg/trunk
2005-06-11spelling/phrasing fixes, mostly by MansDiego Biurrun
Originally committed as revision 4378 to svn://svn.ffmpeg.org/ffmpeg/trunk
2005-06-11spelling/grammar/wording/phrasingDiego Biurrun
Originally committed as revision 4376 to svn://svn.ffmpeg.org/ffmpeg/trunk
2005-06-11Cosmetics: Removed trailing whitespace, converted tabs to spaces.Diego Biurrun
Originally committed as revision 4375 to svn://svn.ffmpeg.org/ffmpeg/trunk
2005-04-11changed the mailinglist pointers to the new place (mplayerhq)Alex Beregszaszi
Originally committed as revision 4122 to svn://svn.ffmpeg.org/ffmpeg/trunk
2005-04-10testing cvslogMichael Niedermayer
Originally committed as revision 4118 to svn://svn.ffmpeg.org/ffmpeg/trunk
2005-04-10testing cvslogMichael Niedermayer
Originally committed as revision 4117 to svn://svn.ffmpeg.org/ffmpeg/trunk
2003-12-30info about h and tpelMichael Niedermayer
Originally committed as revision 2639 to svn://svn.ffmpeg.org/ffmpeg/trunk
2003-01-19add/put_pixels_clamped updateMichael Niedermayer
Originally committed as revision 1475 to svn://svn.ffmpeg.org/ffmpeg/trunk
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