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ffmpeg / libavcodec / i386 / h264dsp_mmx.c @ ec199cc9

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# Date Author Comment
ec199cc9 02/10/2008 01:45 AM Loren Merritt

asm argument that might be in memory needs a size

Originally committed as revision 11890 to svn://svn.ffmpeg.org/ffmpeg/trunk

1d67b037 02/06/2008 12:32 PM Loren Merritt

sse2 h264 motion compensation. not new code, just separate out the cases that didn't need ssse3.

Originally committed as revision 11877 to svn://svn.ffmpeg.org/ffmpeg/trunk

20d565be 02/06/2008 04:44 AM Loren Merritt

put loop counter in a register if possible. makes some of the qpel functions 3% faster.

Originally committed as revision 11876 to svn://svn.ffmpeg.org/ffmpeg/trunk

7080ec29 02/06/2008 04:14 AM Loren Merritt

fix aliasing warnings. simpler too.

Originally committed as revision 11875 to svn://svn.ffmpeg.org/ffmpeg/trunk

ddf96970 02/05/2008 11:22 AM Loren Merritt

ssse3 h264 motion compensation.
25% faster tham mmx on core2, 35% if you discount fullpel, 4% overall decoding.

Originally committed as revision 11871 to svn://svn.ffmpeg.org/ffmpeg/trunk

b64dfbb8 02/05/2008 03:58 AM Loren Merritt

add qpel rounder once during hv rather than twice during hv and whatever it's averaged with

Originally committed as revision 11870 to svn://svn.ffmpeg.org/ffmpeg/trunk

fa9b873e 02/05/2008 01:16 AM Loren Merritt

clean up an ugliness introduced in r11826. this syntax will require fewer changes when adding future sse2 code.

Originally committed as revision 11868 to svn://svn.ffmpeg.org/ffmpeg/trunk

6c01d006 02/03/2008 04:19 PM Loren Merritt

use mmx2/3dnow avg functions in avg_qpel*_mc00

Originally committed as revision 11828 to svn://svn.ffmpeg.org/ffmpeg/trunk

ed5d7a53 02/03/2008 07:05 AM Loren Merritt

ff_h264_idct8_add_sse2.
compared to mmx, 217->126 cycles on core2, 262->220 on k8.

Originally committed as revision 11826 to svn://svn.ffmpeg.org/ffmpeg/trunk

51f0ac65 02/03/2008 03:21 AM Loren Merritt

remove some movq in ff_h264_idct8_add_mmx. 225->217 cycles on core2.

Originally committed as revision 11825 to svn://svn.ffmpeg.org/ffmpeg/trunk

28748a91 01/11/2008 08:29 AM Christophe Gisquet

Factorize some duplicated code from CAVS and H.264 into a common file.
patch by Christophe Gisquet, christophe.gisquet free fr

Originally committed as revision 11504 to svn://svn.ffmpeg.org/ffmpeg/trunk

9fa35729 12/21/2007 11:11 PM Christophe Gisquet

add MMX version for put_no_rnd_h264_chroma_mc8_c, used in VC-1 decoding.
patch by Christophe GISQUET christophe P gisquet A free P fr
original thread:
date: Nov 25, 2007 12:35 AM
subject: Re: [FFmpeg-devel] MMX version for put_no_rnd_h264_chroma_mc8_c

Originally committed as revision 11298 to svn://svn.ffmpeg.org/ffmpeg/trunk

43de5065 11/27/2007 10:36 PM Aurelien Jacobs

use ff_ prefix for extern vars

Originally committed as revision 11101 to svn://svn.ffmpeg.org/ffmpeg/trunk

182f56cb 11/27/2007 10:23 PM Aurelien Jacobs

make ff_p* vars extern so that they can be used in various *_mmx.c files

Originally committed as revision 11100 to svn://svn.ffmpeg.org/ffmpeg/trunk

bdb27356 10/11/2007 10:18 PM Shane

Fix intended order of operations for 4 assert() checks.
Patch by Shane, gnome42 T gmail O com

Originally committed as revision 10711 to svn://svn.ffmpeg.org/ffmpeg/trunk

bba5293b 05/08/2007 05:55 PM Loren Merritt

cosmetics: remove duplicate transpose macro

Originally committed as revision 8939 to svn://svn.ffmpeg.org/ffmpeg/trunk

a1ce6110 04/19/2007 04:12 PM Reimar Döffinger

Fix parts missed in clip -> av_clip rename

Originally committed as revision 8760 to svn://svn.ffmpeg.org/ffmpeg/trunk

2a115873 02/16/2007 09:22 PM Michael Niedermayer

add a few asserts to ensure alignment

Originally committed as revision 7994 to svn://svn.ffmpeg.org/ffmpeg/trunk

00e210dd 02/16/2007 09:21 PM Michael Niedermayer

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

079e61db 11/03/2006 04:54 PM Michael Niedermayer

ensure alignment (no speed change)

Originally committed as revision 6891 to svn://svn.ffmpeg.org/ffmpeg/trunk

f5a9e8f3 11/03/2006 04:02 PM Michael Niedermayer

merging mov & and (no speedchange)

Originally committed as revision 6889 to svn://svn.ffmpeg.org/ffmpeg/trunk

e80cf125 11/03/2006 03:40 PM Michael Niedermayer

2 instructions less (same speed)

Originally committed as revision 6888 to svn://svn.ffmpeg.org/ffmpeg/trunk

93471182 11/03/2006 03:17 PM Michael Niedermayer

comment about failed optimization

Originally committed as revision 6887 to svn://svn.ffmpeg.org/ffmpeg/trunk

38cfdc83 11/03/2006 02:28 PM Michael Niedermayer

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

25225c37 11/03/2006 12:07 PM Michael Niedermayer

2 instructions less in h264_loop_filter_luma_mmx2()

Originally committed as revision 6882 to svn://svn.ffmpeg.org/ffmpeg/trunk

bda2203d 11/03/2006 11:07 AM Michael Niedermayer

preempt possible overflow

Originally committed as revision 6881 to svn://svn.ffmpeg.org/ffmpeg/trunk

5a1553de 11/03/2006 09:59 AM Michael Niedermayer

1 instruction less

Originally committed as revision 6880 to svn://svn.ffmpeg.org/ffmpeg/trunk

e9f1885c 11/03/2006 02:03 AM Michael Niedermayer

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

b78e7197 10/07/2006 03:30 PM Diego Biurrun

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

3e20143e 08/28/2006 09:33 AM Loren Merritt

mmx implementation of deblocking strength decision.
2-3% faster h264.

Originally committed as revision 6113 to svn://svn.ffmpeg.org/ffmpeg/trunk

3f8674a9 07/02/2006 10:01 PM Måns Rullgård

remove redundant macro definitions

Originally committed as revision 5589 to svn://svn.ffmpeg.org/ffmpeg/trunk

fdd30579 03/22/2006 10:05 PM Loren Merritt

added mmx implementation of h264_chroma_mc2

Originally committed as revision 5200 to svn://svn.ffmpeg.org/ffmpeg/trunk

548a1c8a 03/07/2006 10:45 PM Loren Merritt

h264_idct8_add_mmx

Originally committed as revision 5123 to svn://svn.ffmpeg.org/ffmpeg/trunk

6da971f1 03/07/2006 10:33 PM Loren Merritt

h264_idct_add only needs mmx1

Originally committed as revision 5122 to svn://svn.ffmpeg.org/ffmpeg/trunk

d84f7c61 03/05/2006 07:02 PM Loren Merritt

gcc2.95 workaround

Originally committed as revision 5111 to svn://svn.ffmpeg.org/ffmpeg/trunk

7a5b2fa8 03/04/2006 07:56 PM Loren Merritt

remove some useless instructions

Originally committed as revision 5109 to svn://svn.ffmpeg.org/ffmpeg/trunk

6a8eb0f4 03/02/2006 08:21 AM Loren Merritt

4% faster h264_qpel_mc

Originally committed as revision 5094 to svn://svn.ffmpeg.org/ffmpeg/trunk

ef9d1d15 02/10/2006 06:55 AM Loren Merritt

h264: special case dc-only idct. ~1% faster overall

Originally committed as revision 4971 to svn://svn.ffmpeg.org/ffmpeg/trunk

4e295993 02/09/2006 02:43 AM Loren Merritt

10l in 1.12

Originally committed as revision 4965 to svn://svn.ffmpeg.org/ffmpeg/trunk

6ee66973 02/07/2006 04:10 PM Loren Merritt

10l (x86_64)

Originally committed as revision 4952 to svn://svn.ffmpeg.org/ffmpeg/trunk

e545f375 02/07/2006 10:52 AM Loren Merritt

18% faster put_h264_qpel16_mc132_mmx2

Originally committed as revision 4951 to svn://svn.ffmpeg.org/ffmpeg/trunk

c03ce51d 02/07/2006 07:35 AM Loren Merritt

11% faster put_h264_qpel16_v_lowpass_mmx2

Originally committed as revision 4950 to svn://svn.ffmpeg.org/ffmpeg/trunk

0331f092 02/07/2006 06:25 AM Loren Merritt

15% faster put_h264_qpel16_hv_lowpass_mmx2

Originally committed as revision 4949 to svn://svn.ffmpeg.org/ffmpeg/trunk

5509bffa 01/12/2006 10:43 PM Diego Biurrun

Update licensing information: The FSF changed postal address.

Originally committed as revision 4842 to svn://svn.ffmpeg.org/ffmpeg/trunk

e8b56208 01/09/2006 03:38 AM Loren Merritt

tweak h264_biweight

Originally committed as revision 4835 to svn://svn.ffmpeg.org/ffmpeg/trunk

cec93959 12/30/2005 11:47 PM Loren Merritt

fix some potential arithmetic overflows in pred_direct_motion() and
ff_h264_weight_WxH_mmx2().

Originally committed as revision 4795 to svn://svn.ffmpeg.org/ffmpeg/trunk

bb270c08 12/22/2005 01:10 AM Diego Biurrun

COSMETICS: tabs --> spaces, some prettyprinting

Originally committed as revision 4764 to svn://svn.ffmpeg.org/ffmpeg/trunk

115329f1 12/17/2005 06:14 PM Diego Biurrun

COSMETICS: Remove all trailing whitespace.

Originally committed as revision 4749 to svn://svn.ffmpeg.org/ffmpeg/trunk

a6624e21 10/27/2005 06:45 AM Loren Merritt

faster h264_chroma_mc8_mmx, added h264_chroma_mc4_mmx.
2-4% overall speedup.

Originally committed as revision 4666 to svn://svn.ffmpeg.org/ffmpeg/trunk

b926572a 10/09/2005 11:38 PM Loren Merritt

h264 mmx weighted prediction. up to 3% overall speedup.

Originally committed as revision 4630 to svn://svn.ffmpeg.org/ffmpeg/trunk

d3a9f798 09/03/2005 09:17 AM Michael Niedermayer

simplify (d&a) and (d&~a) calculation, hint by skal

Originally committed as revision 4552 to svn://svn.ffmpeg.org/ffmpeg/trunk

d2bb7db1 06/02/2005 08:45 PM Loren Merritt

sort H.264 mmx dsp functions into their own file

Originally committed as revision 4338 to svn://svn.ffmpeg.org/ffmpeg/trunk