Michael Niedermayer
bc1e78d896
simplify senselessly complex addressing
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Originally committed as revision 10228 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Michael Niedermayer
25bb359f73
cosmetics
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remove brain amputated mmx wrappers around sse2 macros
fix name of ..._sub macro to match ..._add naming
Originally committed as revision 10227 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Michael Niedermayer
629750290f
avoid overflow in the 3rd lifting step, this now needs mmx2 at minimum
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(patch for plain mmx support is welcome ...)
Originally committed as revision 10226 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Michael Niedermayer
b696a4c91d
avoid an overflow in the 1 horizontal lifting step
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Originally committed as revision 10225 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Michael Niedermayer
9caa1cccb9
prevent one overflow in the first vertical lifting step
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Originally committed as revision 10224 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Michael Niedermayer
3e0f7126b5
update mmx code to latest snow changes
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note, the code likely can overflow and thus needs some more changes
sse2 updated too but disabled as it is untested
Originally committed as revision 10223 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Michael Niedermayer
ce611a27be
Change rounding of the horizontal DWT to match the vertical one.
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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
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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)
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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
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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
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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
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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)
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Originally committed as revision 10161 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Michael Niedermayer
7e665a3943
replace <<1 by add
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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
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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)
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Originally committed as revision 10158 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Michael Niedermayer
8510c519e7
fixme note
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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
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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
Ronald S. Bultje
b550bfaa61
Add libavcodec to compiler include flags in order to simplify header
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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
9dd6c80453
Add the const specifier as needed to reduce the number of warnings.
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Originally committed as revision 7764 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'
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and fix GPL/LGPL version mismatches.
Originally committed as revision 6577 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago
Luca Barbato
ffad4ed154
Fix x86 SIMD asm and pic, patch from Martin von Gagern <Martin.vGagern@gmx.net>
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Originally committed as revision 5973 to svn://svn.ffmpeg.org/ffmpeg/trunk
19 years ago
Luca Abeni
9c39071d6d
Move REG_* macros from libavcodec/i386/mmx.h to libavutil/x86_cpu.h
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Originally committed as revision 5595 to svn://svn.ffmpeg.org/ffmpeg/trunk
19 years ago
Wolfram Gloger
f42635f558
gcc-2.95 compile fix, patch by Wolfram Gloger <wmglo A dent PIS med PIS uni-muenchen PIS de>
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Originally committed as revision 5298 to svn://svn.ffmpeg.org/ffmpeg/trunk
19 years ago
Luca Barbato
22b48b85b6
altivec support for snow
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Originally committed as revision 5228 to svn://svn.ffmpeg.org/ffmpeg/trunk
19 years ago
Robert Edele
e8600e5edc
add MMX and SSE versions of ff_snow_inner_add_yblock
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Patch by Robert Edele < yartrebo AH earthlink POIS net >
Original Thread:
Date: Mar 22, 2006 3:24 AM
Subject: [Ffmpeg-devel] [PATCH] snow mmx + sse2 part 5
Originally committed as revision 5197 to svn://svn.ffmpeg.org/ffmpeg/trunk
19 years ago
Robert Edele
2c9a0285d4
snow mmx+sse2 optimizations, part 4
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Patch by Robert Edele, yartrebo <<at>> earthlink <<dot>> net
Originally committed as revision 5191 to svn://svn.ffmpeg.org/ffmpeg/trunk
19 years ago
Robert Edele
4567b4bdab
Add the mmx and sse2 implementations of ff_snow_vertical_compose().
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Patch by Robert Edele < yartrebo AH earthlink POIS net >
Original thread:
Date: Mar 20, 2006 5:54 PM
Subject: [Ffmpeg-devel] [PATCH] snow mmx + sse2 part 3
Originally committed as revision 5185 to svn://svn.ffmpeg.org/ffmpeg/trunk
19 years ago