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mmx implementation of yadif. 3.5x faster.

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@19836 b3059339-0415-0410-9bf9-f77b7e298cf2
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lorenm 2006-09-14 04:00:49 +00:00
parent 4b28d2e4d4
commit 44a1a8ecb7
1 changed files with 228 additions and 1 deletions
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229
libmpcodecs/vf_yadif.c
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@ -23,6 +23,7 @@
#include <math.h>
#include "config.h"
#include "cpudetect.h"
#include "mp_msg.h"
@ -55,6 +56,8 @@ struct vf_priv_s {
uint8_t *ref[4][3];
};
static void (*filter_line)(struct vf_priv_s *p, uint8_t *dst, uint8_t *prev, uint8_t *cur, uint8_t *next, int w, int refs, int parity);
static void store_ref(struct vf_priv_s *p, uint8_t *src[3], int src_stride[3], int width, int height){
int i;
@ -68,7 +71,226 @@ static void store_ref(struct vf_priv_s *p, uint8_t *src[3], int src_stride[3], i
}
}
static void filter_line(struct vf_priv_s *p, uint8_t *dst, uint8_t *prev, uint8_t *cur, uint8_t *next, int w, int refs, int parity){
#if __GNUC__ < 3 || (__GNUC__ == 3 && __GNUC_MINOR__ == 0)
#undef HAVE_MMX
#endif
#ifdef HAVE_MMX
#define LOAD4(mem,dst) \
"movd "mem", "#dst" \n\t"\
"punpcklbw %%mm7, "#dst" \n\t"
#define PABS(tmp,dst) \
"pxor "#tmp", "#tmp" \n\t"\
"psubw "#dst", "#tmp" \n\t"\
"pmaxsw "#tmp", "#dst" \n\t"
#define CHECK(pj,mj) \
"movq "#pj"-1(%[cur],%[mrefs]), %%mm2 \n\t" /* cur[x-refs-1+j] */\
"movq "#mj"-1(%[cur],%[prefs]), %%mm3 \n\t" /* cur[x+refs-1-j] */\
"movq %%mm2, %%mm4 \n\t"\
"movq %%mm2, %%mm5 \n\t"\
"pxor %%mm3, %%mm4 \n\t"\
"pavgb %%mm3, %%mm5 \n\t"\
"pand %[pb1], %%mm4 \n\t"\
"psubusb %%mm4, %%mm5 \n\t"\
"psrlq $8, %%mm5 \n\t"\
"punpcklbw %%mm7, %%mm5 \n\t" /* (cur[x-refs+j] + cur[x+refs-j])>>1 */\
"movq %%mm2, %%mm4 \n\t"\
"psubusb %%mm3, %%mm2 \n\t"\
"psubusb %%mm4, %%mm3 \n\t"\
"pmaxub %%mm3, %%mm2 \n\t"\
"movq %%mm2, %%mm3 \n\t"\
"movq %%mm2, %%mm4 \n\t" /* ABS(cur[x-refs-1+j] - cur[x+refs-1-j]) */\
"psrlq $8, %%mm3 \n\t" /* ABS(cur[x-refs +j] - cur[x+refs -j]) */\
"psrlq $16, %%mm4 \n\t" /* ABS(cur[x-refs+1+j] - cur[x+refs+1-j]) */\
"punpcklbw %%mm7, %%mm2 \n\t"\
"punpcklbw %%mm7, %%mm3 \n\t"\
"punpcklbw %%mm7, %%mm4 \n\t"\
"paddw %%mm3, %%mm2 \n\t"\
"paddw %%mm4, %%mm2 \n\t" /* score */
#define CHECK1 \
"movq %%mm0, %%mm3 \n\t"\
"pcmpgtw %%mm2, %%mm3 \n\t" /* if(score < spatial_score) */\
"pminsw %%mm2, %%mm0 \n\t" /* spatial_score= score; */\
"movq %%mm3, %%mm6 \n\t"\
"pand %%mm3, %%mm5 \n\t"\
"pandn %%mm1, %%mm3 \n\t"\
"por %%mm5, %%mm3 \n\t"\
"movq %%mm3, %%mm1 \n\t" /* spatial_pred= (cur[x-refs+j] + cur[x+refs-j])>>1; */
#define CHECK2 /* pretend not to have checked dir=2 if dir=1 was bad.\
hurts both quality and speed, but matches the C version. */\
"paddw %[pw1], %%mm6 \n\t"\
"psllw $14, %%mm6 \n\t"\
"paddsw %%mm6, %%mm2 \n\t"\
"movq %%mm0, %%mm3 \n\t"\
"pcmpgtw %%mm2, %%mm3 \n\t"\
"pminsw %%mm2, %%mm0 \n\t"\
"pand %%mm3, %%mm5 \n\t"\
"pandn %%mm1, %%mm3 \n\t"\
"por %%mm5, %%mm3 \n\t"\
"movq %%mm3, %%mm1 \n\t"
static void filter_line_mmx2(struct vf_priv_s *p, uint8_t *dst, uint8_t *prev, uint8_t *cur, uint8_t *next, int w, int refs, int parity){
static const uint64_t pw_1 = 0x0001000100010001ULL;
static const uint64_t pb_1 = 0x0101010101010101ULL;
const int mode = p->mode;
uint64_t tmp0, tmp1, tmp2, tmp3;
int x;
#define FILTER\
for(x=0; x<w; x+=4){\
asm volatile(\
"pxor %%mm7, %%mm7 \n\t"\
LOAD4("(%[cur],%[mrefs])", %%mm0) /* c = cur[x-refs] */\
LOAD4("(%[cur],%[prefs])", %%mm1) /* e = cur[x+refs] */\
LOAD4("(%["prev2"])", %%mm2) /* prev2[x] */\
LOAD4("(%["next2"])", %%mm3) /* next2[x] */\
"movq %%mm3, %%mm4 \n\t"\
"paddw %%mm2, %%mm3 \n\t"\
"psraw $1, %%mm3 \n\t" /* d = (prev2[x] + next2[x])>>1 */\
"movq %%mm0, %[tmp0] \n\t" /* c */\
"movq %%mm3, %[tmp1] \n\t" /* d */\
"movq %%mm1, %[tmp2] \n\t" /* e */\
"psubw %%mm4, %%mm2 \n\t"\
PABS( %%mm4, %%mm2) /* temporal_diff0 */\
LOAD4("(%[prev],%[mrefs])", %%mm3) /* prev[x-refs] */\
LOAD4("(%[prev],%[prefs])", %%mm4) /* prev[x+refs] */\
"psubw %%mm0, %%mm3 \n\t"\
"psubw %%mm1, %%mm4 \n\t"\
PABS( %%mm5, %%mm3)\
PABS( %%mm5, %%mm4)\
"paddw %%mm4, %%mm3 \n\t" /* temporal_diff1 */\
"psrlw $1, %%mm2 \n\t"\
"psrlw $1, %%mm3 \n\t"\
"pmaxsw %%mm3, %%mm2 \n\t"\
LOAD4("(%[next],%[mrefs])", %%mm3) /* next[x-refs] */\
LOAD4("(%[next],%[prefs])", %%mm4) /* next[x+refs] */\
"psubw %%mm0, %%mm3 \n\t"\
"psubw %%mm1, %%mm4 \n\t"\
PABS( %%mm5, %%mm3)\
PABS( %%mm5, %%mm4)\
"paddw %%mm4, %%mm3 \n\t" /* temporal_diff2 */\
"psrlw $1, %%mm3 \n\t"\
"pmaxsw %%mm3, %%mm2 \n\t"\
"movq %%mm2, %[tmp3] \n\t" /* diff */\
\
"paddw %%mm0, %%mm1 \n\t"\
"paddw %%mm0, %%mm0 \n\t"\
"psubw %%mm1, %%mm0 \n\t"\
"psrlw $1, %%mm1 \n\t" /* spatial_pred */\
PABS( %%mm2, %%mm0) /* ABS(c-e) */\
\
"movq -1(%[cur],%[mrefs]), %%mm2 \n\t" /* cur[x-refs-1] */\
"movq -1(%[cur],%[prefs]), %%mm3 \n\t" /* cur[x+refs-1] */\
"movq %%mm2, %%mm4 \n\t"\
"psubusb %%mm3, %%mm2 \n\t"\
"psubusb %%mm4, %%mm3 \n\t"\
"pmaxub %%mm3, %%mm2 \n\t"\
"pshufw $9,%%mm2, %%mm3 \n\t"\
"punpcklbw %%mm7, %%mm2 \n\t" /* ABS(cur[x-refs-1] - cur[x+refs-1]) */\
"punpcklbw %%mm7, %%mm3 \n\t" /* ABS(cur[x-refs+1] - cur[x+refs+1]) */\
"paddw %%mm2, %%mm0 \n\t"\
"paddw %%mm3, %%mm0 \n\t"\
"psubw %[pw1], %%mm0 \n\t" /* spatial_score */\
\
CHECK(-1,1)\
CHECK1\
CHECK(-2,2)\
CHECK2\
CHECK(1,-1)\
CHECK1\
CHECK(2,-2)\
CHECK2\
\
/* if(p->mode<2) ... */\
"movq %[tmp3], %%mm6 \n\t" /* diff */\
"cmp $2, %[mode] \n\t"\
"jge 1f \n\t"\
LOAD4("(%["prev2"],%[mrefs],2)", %%mm2) /* prev2[x-2*refs] */\
LOAD4("(%["next2"],%[mrefs],2)", %%mm4) /* next2[x-2*refs] */\
LOAD4("(%["prev2"],%[prefs],2)", %%mm3) /* prev2[x+2*refs] */\
LOAD4("(%["next2"],%[prefs],2)", %%mm5) /* next2[x+2*refs] */\
"paddw %%mm4, %%mm2 \n\t"\
"paddw %%mm5, %%mm3 \n\t"\
"psrlw $1, %%mm2 \n\t" /* b */\
"psrlw $1, %%mm3 \n\t" /* f */\
"movq %[tmp0], %%mm4 \n\t" /* c */\
"movq %[tmp1], %%mm5 \n\t" /* d */\
"movq %[tmp2], %%mm7 \n\t" /* e */\
"psubw %%mm4, %%mm2 \n\t" /* b-c */\
"psubw %%mm7, %%mm3 \n\t" /* f-e */\
"movq %%mm5, %%mm0 \n\t"\
"psubw %%mm4, %%mm5 \n\t" /* d-c */\
"psubw %%mm7, %%mm0 \n\t" /* d-e */\
"movq %%mm2, %%mm4 \n\t"\
"pminsw %%mm3, %%mm2 \n\t"\
"pmaxsw %%mm4, %%mm3 \n\t"\
"pmaxsw %%mm5, %%mm2 \n\t"\
"pminsw %%mm5, %%mm3 \n\t"\
"pmaxsw %%mm0, %%mm2 \n\t" /* max */\
"pminsw %%mm0, %%mm3 \n\t" /* min */\
"pxor %%mm4, %%mm4 \n\t"\
"pmaxsw %%mm3, %%mm6 \n\t"\
"psubw %%mm2, %%mm4 \n\t" /* -max */\
"pmaxsw %%mm4, %%mm6 \n\t" /* diff= MAX3(diff, min, -max); */\
"1: \n\t"\
\
"movq %[tmp1], %%mm2 \n\t" /* d */\
"movq %%mm2, %%mm3 \n\t"\
"psubw %%mm6, %%mm2 \n\t" /* d-diff */\
"paddw %%mm6, %%mm3 \n\t" /* d+diff */\
"pmaxsw %%mm2, %%mm1 \n\t"\
"pminsw %%mm3, %%mm1 \n\t" /* d = clip(spatial_pred, d-diff, d+diff); */\
"packuswb %%mm1, %%mm1 \n\t"\
\
:[tmp0]"=m"(tmp0),\
[tmp1]"=m"(tmp1),\
[tmp2]"=m"(tmp2),\
[tmp3]"=m"(tmp3)\
:[prev] "r"(prev),\
[cur] "r"(cur),\
[next] "r"(next),\
[prefs]"r"((long)refs),\
[mrefs]"r"((long)-refs),\
[pw1] "m"(pw_1),\
[pb1] "m"(pb_1),\
[mode] "g"(mode)\
);\
asm volatile("movd %%mm1, %0" :"=m"(*dst));\
dst += 4;\
prev+= 4;\
cur += 4;\
next+= 4;\
}
if(parity){
#define prev2 "prev"
#define next2 "cur"
FILTER
#undef prev2
#undef next2
}else{
#define prev2 "cur"
#define next2 "next"
FILTER
#undef prev2
#undef next2
}
}
#undef LOAD4
#undef PABS
#undef CHECK
#undef CHECK1
#undef CHECK2
#undef FILTER
#endif // HAVE_MMX
static void filter_line_c(struct vf_priv_s *p, uint8_t *dst, uint8_t *prev, uint8_t *cur, uint8_t *next, int w, int refs, int parity){
int x;
uint8_t *prev2= parity ? prev : cur ;
uint8_t *next2= parity ? cur : next;
@ -262,6 +484,11 @@ static int open(vf_instance_t *vf, char* args){
if (args) sscanf(args, "%d:%d", &vf->priv->mode, &vf->priv->parity);
filter_line = filter_line_c;
#ifdef HAVE_MMX
if(gCpuCaps.hasMMX2) filter_line = filter_line_mmx2;
#endif
return 1;
}