092ce9712f
doc: reference the RISC-V specification
2022-09-13 16:50:43 -03:00
4f9297ac3b
build: Prefer NASM assembler over YASM
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NASM is more actively maintained and permits generating dependency information
as a sideeffect of assembling, thus cutting build times in half.
(Cherry-picked from libav commit 57b753b445
2017-06-21 17:00:30 -03:00
5a49097b42
Merge commit '2ec9fa5ec60dcd10e1cb10d8b4e4437e634ea428'
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* commit '2ec9fa5ec60dcd10e1cb10d8b4e4437e634ea428':
idct: Change type of array stride parameters to ptrdiff_t
Merged-by: James Almer <jamrial@gmail.com>
2017-03-21 14:29:52 -03:00
2ec9fa5ec6
idct: Change type of array stride parameters to ptrdiff_t
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ptrdiff_t is the correct type for array strides and similar.
2016-09-29 14:48:03 +02:00
8ef57a0d61
Merge commit '41ed7ab45fc693f7d7fc35664c0233f4c32d69bb'
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* commit '41ed7ab45fc693f7d7fc35664c0233f4c32d69bb':
cosmetics: Fix spelling mistakes
Merged-by: Clément Bœsch <u@pkh.me>
2016-06-21 21:55:34 +02:00
41ed7ab45f
cosmetics: Fix spelling mistakes
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Signed-off-by: Diego Biurrun <diego@biurrun.de>
2016-05-04 18:16:21 +02:00
bc8e044d8c
x86/doc/Makefile: DBG=1 to preprocess external asm
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The macro hell sometimes make it difficult to trace the source of
an error, so it is easier to analyze the preprocessed output.
This patch makes this automatical by specifying DBG=1 on the
command line: a file ffmpeg/dir/file.asm gets preprocessed to
builddir/dir/file.dbg.asm, which is then compiled.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2015-02-17 13:08:04 +01:00
581b5f0b9b
Merge commit 'e3fcb14347466095839c2a3c47ebecff02da891e'
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* 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>
2014-07-01 15:22:11 +02:00
e3fcb14347
dsputil: Split off IDCT bits into their own context
2014-06-30 07:58:46 -07:00
9d6a27d533
Merge commit '57f09608e1600d1cf1679885a46f5004d522d68f'
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* commit '57f09608e1600d1cf1679885a46f5004d522d68f':
dsputil: Move thirdpel-related bits into their own context
Conflicts:
libavcodec/svq3.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
2014-03-22 23:26:23 +01:00
57f09608e1
dsputil: Move thirdpel-related bits into their own context
2014-03-22 06:17:30 -07:00
3fc2362aef
Merge commit 'b4dd424d96f09f9bafb88e47f37df65dc4529143'
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* 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>
2014-03-13 22:35:47 +01:00
b4dd424d96
Remove all SPARC architecture optimizations
...
SPARC is no longer being used in any multimedia-related fields and the
VIS optimizations only represent a maintenance burden.
2014-03-13 05:50:28 -07:00
ac8987591f
Merge commit '88bd7fdc821aaa0cbcf44cf075c62aaa42121e3f'
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* 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>
2013-01-23 17:44:56 +01:00
88bd7fdc82
Drop DCTELEM typedef
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It does not help as an abstraction and adds dsputil dependencies.
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
2013-01-22 18:32:56 -08:00
78ec407d5a
Merge commit '652f5185945c8405fc57aed353286858df8d066f'
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* commit '652f5185945c8405fc57aed353286858df8d066f':
x86: mmx2 ---> mmxext in comments and messages
Conflicts:
libswscale/x86/swscale_template.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
2012-10-31 14:02:35 +01:00
652f518594
x86: mmx2 ---> mmxext in comments and messages
2012-10-31 00:37:42 +01:00
db95e559f2
fix another forgotten mplayerhq.hu link
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2011-04-08 01:35:43 +02:00
a6be21d3ba
Revert "replace FFmpeg with Libav in doc/"
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This reverts commit f8a45fa1b1
2011-03-17 17:26:45 +01:00
0fecf2642b
Merge remote-tracking branch 'newdev/master'
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Conflicts:
Changelog
doc/APIchanges
doc/optimization.txt
libavformat/avio.h
Merged-by: Michael Niedermayer <michaelni@gmx.at>
2011-03-17 17:22:52 +01:00
f8a45fa1b1
replace FFmpeg with Libav in doc/
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unless it stands for ffmpeg the program or is historic
2011-03-16 22:01:01 +01:00
21de920472
Update the url to the site website and change ffmpeg-devel to libav-devel
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Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
2011-03-13 18:45:29 -04:00
2eed5288d2
Documentation updates for the git migration
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This cleanup patch updates the developer documentation with respect to
the migration to the git scm.
(cherry picked from commit 87800dc2bf
2011-02-09 03:33:54 +01:00
87800dc2bf
Documentation updates for the git migration
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This cleanup patch updates the developer documentation with respect to
the migration to the git scm.
2011-02-08 22:07:02 +01:00
2344dc6bb6
doc: mention xmm clobber macros usage
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Originally committed as revision 25364 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-10-06 02:46:22 +00:00
d801f1c848
Update docs regarding writing optimizations:
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- 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
2010-09-24 14:01:09 +00:00
9c193cc47c
Fix typo (instruciton -> instruction).
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Originally committed as revision 25157 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-09-22 02:18:03 +00:00
0fa5f24c3b
Change mplayerhq.hu references to ffmpeg.org where appropriate.
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Originally committed as revision 16310 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-12-25 15:49:50 +00:00
a6493a8fbd
Rename libavcodec/i386/ --> libavcodec/x86/.
...
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
2008-12-22 09:12:42 +00:00
be449fca79
Convert asm keyword into __asm__.
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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
2008-10-16 13:34:09 +00:00
1a592ecc47
Add Intel IWMMXT2 link, patch by Dmitry Antipov, dmantipov yandex ru.
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Originally committed as revision 13467 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-05-27 13:27:51 +00:00
6609f9e2ee
minor English corrections
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Originally committed as revision 12171 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-02-21 18:46:49 +00:00
8144dff032
typos
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Originally committed as revision 12170 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-02-21 18:42:33 +00:00
7b8c3aedac
"General Tips" section
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Originally committed as revision 12168 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-02-21 13:02:31 +00:00
07bf0cc9cf
clarify previous revision on optimization justification
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Originally committed as revision 11598 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-01-22 21:57:19 +00:00
ac59e7f4b1
Ministry of English Composition edits
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Originally committed as revision 11597 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-01-22 18:21:12 +00:00
5e123bd359
Cosmetics to speed up finding sections of interest.
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Originally committed as revision 11596 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-01-22 14:48:02 +00:00
8f738eea43
"What speedup justifies an optimization" section
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Originally committed as revision 11595 to svn://svn.ffmpeg.org/ffmpeg/trunk
2008-01-22 14:45:20 +00:00
a1d0b6a277
cosmetics: Fix AltiVec spelling.
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Originally committed as revision 10639 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-10-02 10:34:57 +00:00
14c2634bcc
Fix links to ARM documentation
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Originally committed as revision 10399 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-09-05 07:49:01 +00:00
71253ce9a6
add a link to VIS instructions whitepaper
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Originally committed as revision 10235 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-08-26 11:45:09 +00:00
777bbfddde
more sparc asm docs
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Originally committed as revision 10215 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-08-24 22:10:21 +00:00
2c2b3130c2
PowerPC/CELL/Altivec pointers
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Originally committed as revision 10197 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-08-23 16:40:23 +00:00
277bb93642
sparc asm docs
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Originally committed as revision 10194 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-08-23 09:39:14 +00:00
2e1ad4a28e
simd gmc wasn't impossible.
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Originally committed as revision 10191 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-08-23 04:56:29 +00:00
20e570c8e8
links to ARM optimization manuals
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Originally committed as revision 7425 to svn://svn.ffmpeg.org/ffmpeg/trunk
2007-01-07 23:39:56 +00:00
2b165e2901
www1.mplayerhq.hu --> lists.mplayerhq.hu
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Originally committed as revision 5459 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-06-09 09:55:57 +00:00
1c1b5a4094
CVS --> Subversion
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Originally committed as revision 5458 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-06-09 09:55:04 +00:00
0a46c9330a
Rephrase a paragraph for ease of understanding, suggested by Mans.
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Originally committed as revision 4379 to svn://svn.ffmpeg.org/ffmpeg/trunk
2005-06-12 16:11:40 +00:00
c5a44f5715
spelling/phrasing fixes, mostly by Mans
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Originally committed as revision 4378 to svn://svn.ffmpeg.org/ffmpeg/trunk
2005-06-11 18:18:13 +00:00
Rémi Denis-Courmont
Diego Biurrun
James Almer
Clément Bœsch
Vittorio Giovara
Christophe Gisquet
Michael Niedermayer
Janne Grunau
Johan Andersson
Reinhard Tartler
Ramiro Polla
Ronald S. Bultje
Diego Pettenò
Dmitry Antipov
Mike Melanson
Guillaume Poirier
Dominik Mierzejewski
Luca Barbato
Loren Merritt