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ffmpeg.wasm-core
Commit 1ef64490 authored by Baptiste Coudurier's avatar Baptiste Coudurier
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yadif sse2/ssse3 optimizations 

Originally committed as revision 25874 to svn://svn.ffmpeg.org/ffmpeg/trunk
parent 23b8342a
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Showing with 294 additions and 212 deletions
libavfilter/vf_yadif.c
View file @ 1ef64490
......@@ -304,7 +304,11 @@ static av_cold int init(AVFilterContext *ctx, const char *args, void *opaque)
if (args) sscanf(args, "%d:%d", &yadif->mode, &yadif->parity);
yadif->filter_line = filter_line_c;
if (HAVE_MMX && cpu_flags & AV_CPU_FLAG_MMX)
if (HAVE_SSSE3 && cpu_flags & AV_CPU_FLAG_SSSE3)
yadif->filter_line = ff_yadif_filter_line_ssse3;
else if (HAVE_SSE && cpu_flags & AV_CPU_FLAG_SSE2)
yadif->filter_line = ff_yadif_filter_line_sse2;
else if (HAVE_MMX && cpu_flags & AV_CPU_FLAG_MMX)
yadif->filter_line = ff_yadif_filter_line_mmx;
av_log(ctx, AV_LOG_INFO, "mode:%d parity:%d\n", yadif->mode, yadif->parity);
......
libavfilter/x86/yadif.c
View file @ 1ef64490
......@@ -22,214 +22,24 @@
#include "libavutil/x86_cpu.h"
#include "libavfilter/yadif.h"
#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"(%[cur],%[mrefs]), %%mm2 \n\t" /* cur[x-refs-1+j] */\
"movq "#mj"(%[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 "MANGLE(pb_1)", %%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 "MANGLE(pw_1)", %%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"
DECLARE_ASM_CONST(16, uint64_t, pw_1) = 0x0001000100010001ULL;
DECLARE_ASM_CONST(16, uint64_t, pb_1) = 0x0101010101010101ULL;
void ff_yadif_filter_line_mmx(uint8_t *dst,
uint8_t *prev, uint8_t *cur, uint8_t *next,
int w, int refs, int parity, int 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 "MANGLE(pw_1)", %%mm0 \n\t" /* spatial_score */\
\
CHECK(-2,0)\
CHECK1\
CHECK(-3,1)\
CHECK2\
CHECK(0,-2)\
CHECK1\
CHECK(1,-3)\
CHECK2\
\
/* if(p->mode<2) ... */\
"movq %[tmp3], %%mm6 \n\t" /* diff */\
"cmpl $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"((x86_reg)refs),\
[mrefs]"r"((x86_reg)-refs),\
[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
#if HAVE_SSSE3
#define COMPILE_TEMPLATE_SSE 1
#define COMPILE_TEMPLATE_SSSE3 1
#undef RENAME
#define RENAME(a) a ## _ssse3
#include "yadif_template.c"
#undef COMPILE_TEMPLATE_SSSE3
#endif
#if HAVE_SSE
#undef RENAME
#define RENAME(a) a ## _sse2
#include "yadif_template.c"
#undef COMPILE_TEMPLATE_SSE
#endif
#if HAVE_MMX
#undef RENAME
#define RENAME(a) a ## _mmx
#include "yadif_template.c"
#endif
libavfilter/x86/yadif_template.c 0 → 100644
View file @ 1ef64490
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