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mmx optimized avg/film noise 

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@6967 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
michael 2002-08-11 10:52:22 +00:00
parent 9a2e9050f2
commit 0f7ec7d885
1 changed files with 46 additions and 2 deletions
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48
libmpcodecs/vf_noise.c
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@ -192,6 +192,48 @@ static inline void lineNoise_C(uint8_t *dst, uint8_t *src, int8_t *noise, int le
/***************************************************************************/
#ifdef HAVE_MMX
static inline void lineNoiseAvg_MMX(uint8_t *dst, uint8_t *src, int len, int8_t **shift){
int mmx_len= len&(~7);
asm volatile(
"movl %5, %%eax \n\t"
".balign 16 \n\t"
"1: \n\t"
"movq (%1, %%eax), %%mm1 \n\t"
"movq (%0, %%eax), %%mm0 \n\t"
"paddb (%2, %%eax), %%mm1 \n\t"
"paddb (%3, %%eax), %%mm1 \n\t"
"movq %%mm0, %%mm2 \n\t"
"movq %%mm1, %%mm3 \n\t"
"punpcklbw %%mm0, %%mm0 \n\t"
"punpckhbw %%mm2, %%mm2 \n\t"
"punpcklbw %%mm1, %%mm1 \n\t"
"punpckhbw %%mm3, %%mm3 \n\t"
"pmulhw %%mm0, %%mm1 \n\t"
"pmulhw %%mm2, %%mm3 \n\t"
"paddw %%mm1, %%mm1 \n\t"
"paddw %%mm3, %%mm3 \n\t"
"paddw %%mm0, %%mm1 \n\t"
"paddw %%mm2, %%mm3 \n\t"
"psrlw $8, %%mm1 \n\t"
"psrlw $8, %%mm3 \n\t"
"packuswb %%mm3, %%mm1 \n\t"
"movq %%mm1, (%4, %%eax) \n\t"
"addl $8, %%eax \n\t"
" js 1b \n\t"
:: "r" (src+mmx_len), "r" (shift[0]+mmx_len), "r" (shift[1]+mmx_len), "r" (shift[2]+mmx_len),
"r" (dst+mmx_len), "g" (-mmx_len)
: "%eax"
);
if(mmx_len!=len){
int8_t *shift2[3]={shift[0]+mmx_len, shift[1]+mmx_len, shift[2]+mmx_len};
lineNoiseAvg_C(dst+mmx_len, src+mmx_len, len-mmx_len, shift2);
}
}
#endif
static inline void lineNoiseAvg_C(uint8_t *dst, uint8_t *src, int len, int8_t **shift){
int i;
int8_t *src2= (int8_t*)src;
@ -381,8 +423,10 @@ static int open(vf_instance_t *vf, char* args){
#ifdef HAVE_MMX
if(gCpuCaps.hasMMX) lineNoise= lineNoise_MMX;
// if(gCpuCaps.hasMMX) lineNoiseAvg= lineNoiseAvg_MMX;
if(gCpuCaps.hasMMX){
lineNoise= lineNoise_MMX;
lineNoiseAvg= lineNoiseAvg_MMX;
}
#endif
#ifdef HAVE_MMX2
if(gCpuCaps.hasMMX2) lineNoise= lineNoise_MMX2;