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| author | Felix von Leitner <felix-ffmpeg@fefe.de> | 2003-01-11 22:32:56 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2003-01-11 22:32:56 +0000 |
| commit | 2a006cd3968461455c8d15640f8cec38ddfc97bb (patch) | |
| tree | 36e3737da7e91d7d1d57984cbb22a92613f8b6df /libavcodec/dsputil.c | |
| parent | d32ac509f6d9c828fed64a4584193828378cb22f (diff) | |
| download | ffmpeg-2a006cd3968461455c8d15640f8cec38ddfc97bb.tar.gz | |
sse16 & pix_norm1 optimization patch by (Felix von Leitner <felix-ffmpeg at fefe dot de>) (with some modifications)
Originally committed as revision 1450 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/dsputil.c')
| -rw-r--r-- | libavcodec/dsputil.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/libavcodec/dsputil.c b/libavcodec/dsputil.c index 80e9ea1470..fb6399700d 100644 --- a/libavcodec/dsputil.c +++ b/libavcodec/dsputil.c @@ -129,6 +129,7 @@ static int pix_norm1_c(UINT8 * pix, int line_size) s = 0; for (i = 0; i < 16; i++) { for (j = 0; j < 16; j += 8) { +#if 0 s += sq[pix[0]]; s += sq[pix[1]]; s += sq[pix[2]]; @@ -137,6 +138,30 @@ static int pix_norm1_c(UINT8 * pix, int line_size) s += sq[pix[5]]; s += sq[pix[6]]; s += sq[pix[7]]; +#else +#if LONG_MAX > 2147483647 + register uint64_t x=*(uint64_t*)pix; + s += sq[x&0xff]; + s += sq[(x>>8)&0xff]; + s += sq[(x>>16)&0xff]; + s += sq[(x>>24)&0xff]; + s += sq[(x>>32)&0xff]; + s += sq[(x>>40)&0xff]; + s += sq[(x>>48)&0xff]; + s += sq[(x>>56)&0xff]; +#else + register uint32_t x=*(uint32_t*)pix; + s += sq[x&0xff]; + s += sq[(x>>8)&0xff]; + s += sq[(x>>16)&0xff]; + s += sq[(x>>24)&0xff]; + x=*(uint32_t*)(pix+4); + s += sq[x&0xff]; + s += sq[(x>>8)&0xff]; + s += sq[(x>>16)&0xff]; + s += sq[(x>>24)&0xff]; +#endif +#endif pix += 8; } pix += line_size - 16; @@ -174,6 +199,38 @@ static int sse16_c(void *v, UINT8 * pix1, UINT8 * pix2, int line_size) s = 0; for (i = 0; i < 16; i++) { for (j = 0; j < 16; j += 8) { +#if 1 +#if LONG_MAX > 2147483647 + uint64_t x,y; + x=*(uint64_t*)pix1; + y=*(uint64_t*)pix2; + + s += sq[(x&0xff) - (y&0xff)]; + s += sq[((x>>8)&0xff) - ((y>>8)&0xff)]; + s += sq[((x>>16)&0xff) - ((y>>16)&0xff)]; + s += sq[((x>>24)&0xff) - ((y>>24)&0xff)]; + s += sq[((x>>32)&0xff) - ((y>>32)&0xff)]; + s += sq[((x>>40)&0xff) - ((y>>40)&0xff)]; + s += sq[((x>>48)&0xff) - ((y>>48)&0xff)]; + s += sq[((x>>56)&0xff) - ((y>>56)&0xff)]; +#else + uint32_t x,y; + x=*(uint32_t*)pix1; + y=*(uint32_t*)pix2; + + s += sq[(x&0xff) - (y&0xff)]; + s += sq[((x>>8)&0xff) - ((y>>8)&0xff)]; + s += sq[((x>>16)&0xff) - ((y>>16)&0xff)]; + s += sq[((x>>24)&0xff) - ((y>>24)&0xff)]; + + x=*(uint32_t*)(pix1+4); + y=*(uint32_t*)(pix2+4); + s += sq[(x&0xff) - (y&0xff)]; + s += sq[((x>>8)&0xff) - ((y>>8)&0xff)]; + s += sq[((x>>16)&0xff) - ((y>>16)&0xff)]; + s += sq[((x>>24)&0xff) - ((y>>24)&0xff)]; +#endif +#else s += sq[pix1[0] - pix2[0]]; s += sq[pix1[1] - pix2[1]]; s += sq[pix1[2] - pix2[2]]; @@ -182,6 +239,7 @@ static int sse16_c(void *v, UINT8 * pix1, UINT8 * pix2, int line_size) s += sq[pix1[5] - pix2[5]]; s += sq[pix1[6] - pix2[6]]; s += sq[pix1[7] - pix2[7]]; +#endif pix1 += 8; pix2 += 8; } |