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h263_h_loop_filter_mmx 

Originally committed as revision 2553 to svn://svn.ffmpeg.org/ffmpeg/trunk
tags/v0.5
Michael Niedermayer 22 years ago
parent
359f98ded9
commit
3615e2be84
1 changed files with 161 additions and 72 deletions
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  1. +161
    -72
      libavcodec/i386/dsputil_mmx.c

+ 161
- 72
libavcodec/i386/dsputil_mmx.c View File

@@ -469,84 +469,88 @@ static void add_bytes_mmx(uint8_t *dst, uint8_t *src, int w){
dst[i+0] += src[i+0];
}

#define H263_LOOP_FILTER \
"pxor %%mm7, %%mm7 \n\t"\
"movq %0, %%mm0 \n\t"\
"movq %0, %%mm1 \n\t"\
"movq %3, %%mm2 \n\t"\
"movq %3, %%mm3 \n\t"\
"punpcklbw %%mm7, %%mm0 \n\t"\
"punpckhbw %%mm7, %%mm1 \n\t"\
"punpcklbw %%mm7, %%mm2 \n\t"\
"punpckhbw %%mm7, %%mm3 \n\t"\
"psubw %%mm2, %%mm0 \n\t"\
"psubw %%mm3, %%mm1 \n\t"\
"movq %1, %%mm2 \n\t"\
"movq %1, %%mm3 \n\t"\
"movq %2, %%mm4 \n\t"\
"movq %2, %%mm5 \n\t"\
"punpcklbw %%mm7, %%mm2 \n\t"\
"punpckhbw %%mm7, %%mm3 \n\t"\
"punpcklbw %%mm7, %%mm4 \n\t"\
"punpckhbw %%mm7, %%mm5 \n\t"\
"psubw %%mm2, %%mm4 \n\t"\
"psubw %%mm3, %%mm5 \n\t"\
"psllw $2, %%mm4 \n\t"\
"psllw $2, %%mm5 \n\t"\
"paddw %%mm0, %%mm4 \n\t"\
"paddw %%mm1, %%mm5 \n\t"\
"pxor %%mm6, %%mm6 \n\t"\
"pcmpgtw %%mm4, %%mm6 \n\t"\
"pcmpgtw %%mm5, %%mm7 \n\t"\
"pxor %%mm6, %%mm4 \n\t"\
"pxor %%mm7, %%mm5 \n\t"\
"psubw %%mm6, %%mm4 \n\t"\
"psubw %%mm7, %%mm5 \n\t"\
"psrlw $3, %%mm4 \n\t"\
"psrlw $3, %%mm5 \n\t"\
"packuswb %%mm5, %%mm4 \n\t"\
"packsswb %%mm7, %%mm6 \n\t"\
"pxor %%mm7, %%mm7 \n\t"\
"movd %4, %%mm2 \n\t"\
"punpcklbw %%mm2, %%mm2 \n\t"\
"punpcklbw %%mm2, %%mm2 \n\t"\
"punpcklbw %%mm2, %%mm2 \n\t"\
"psubusb %%mm4, %%mm2 \n\t"\
"movq %%mm2, %%mm3 \n\t"\
"psubusb %%mm4, %%mm3 \n\t"\
"psubb %%mm3, %%mm2 \n\t"\
"movq %1, %%mm3 \n\t"\
"movq %2, %%mm4 \n\t"\
"pxor %%mm6, %%mm3 \n\t"\
"pxor %%mm6, %%mm4 \n\t"\
"paddusb %%mm2, %%mm3 \n\t"\
"psubusb %%mm2, %%mm4 \n\t"\
"pxor %%mm6, %%mm3 \n\t"\
"pxor %%mm6, %%mm4 \n\t"\
"paddusb %%mm2, %%mm2 \n\t"\
"packsswb %%mm1, %%mm0 \n\t"\
"pcmpgtb %%mm0, %%mm7 \n\t"\
"pxor %%mm7, %%mm0 \n\t"\
"psubb %%mm7, %%mm0 \n\t"\
"movq %%mm0, %%mm1 \n\t"\
"psubusb %%mm2, %%mm0 \n\t"\
"psubb %%mm0, %%mm1 \n\t"\
"pand %5, %%mm1 \n\t"\
"psrlw $2, %%mm1 \n\t"\
"pxor %%mm7, %%mm1 \n\t"\
"psubb %%mm7, %%mm1 \n\t"\
"movq %0, %%mm5 \n\t"\
"movq %3, %%mm6 \n\t"\
"psubb %%mm1, %%mm5 \n\t"\
"paddb %%mm1, %%mm6 \n\t"

static void h263_v_loop_filter_mmx(uint8_t *src, int stride, int qscale){
const int strength= ff_h263_loop_filter_strength[qscale];

asm volatile(
"pxor %%mm7, %%mm7 \n\t"
"movq %0, %%mm0 \n\t"
"movq %0, %%mm1 \n\t"
"movq %3, %%mm2 \n\t"
"movq %3, %%mm3 \n\t"
"punpcklbw %%mm7, %%mm0 \n\t"
"punpckhbw %%mm7, %%mm1 \n\t"
"punpcklbw %%mm7, %%mm2 \n\t"
"punpckhbw %%mm7, %%mm3 \n\t"
"psubw %%mm2, %%mm0 \n\t"
"psubw %%mm3, %%mm1 \n\t"
"movq %1, %%mm2 \n\t"
"movq %1, %%mm3 \n\t"
"movq %2, %%mm4 \n\t"
"movq %2, %%mm5 \n\t"
"punpcklbw %%mm7, %%mm2 \n\t"
"punpckhbw %%mm7, %%mm3 \n\t"
"punpcklbw %%mm7, %%mm4 \n\t"
"punpckhbw %%mm7, %%mm5 \n\t"
"psubw %%mm2, %%mm4 \n\t"
"psubw %%mm3, %%mm5 \n\t"
"psllw $2, %%mm4 \n\t"
"psllw $2, %%mm5 \n\t"
"paddw %%mm0, %%mm4 \n\t"
"paddw %%mm1, %%mm5 \n\t"
"pxor %%mm6, %%mm6 \n\t"
"pcmpgtw %%mm4, %%mm6 \n\t"
"pcmpgtw %%mm5, %%mm7 \n\t"
"pxor %%mm6, %%mm4 \n\t"
"pxor %%mm7, %%mm5 \n\t"
"psubw %%mm6, %%mm4 \n\t"
"psubw %%mm7, %%mm5 \n\t"
"psrlw $3, %%mm4 \n\t"
"psrlw $3, %%mm5 \n\t"
"packuswb %%mm5, %%mm4 \n\t" //abs(d)
"packsswb %%mm7, %%mm6 \n\t" //sign(d)
"pxor %%mm7, %%mm7 \n\t"
"movd %4, %%mm2 \n\t"
"punpcklbw %%mm2, %%mm2 \n\t"
"punpcklbw %%mm2, %%mm2 \n\t"
"punpcklbw %%mm2, %%mm2 \n\t" //2*strength
"psubusb %%mm4, %%mm2 \n\t" // S(2*strength - abs(d))
"movq %%mm2, %%mm3 \n\t" // S(2*strength - abs(d))
"psubusb %%mm4, %%mm3 \n\t" // S(S(2*strength - abs(d)) - abs(d))
"psubb %%mm3, %%mm2 \n\t" // MIN(abs(d), S(2*strength - abs(d)))
"movq %1, %%mm3 \n\t"
"movq %2, %%mm4 \n\t"
"pxor %%mm6, %%mm3 \n\t"
"pxor %%mm6, %%mm4 \n\t"
"paddusb %%mm2, %%mm3 \n\t"
"psubusb %%mm2, %%mm4 \n\t"
"pxor %%mm6, %%mm3 \n\t"
"pxor %%mm6, %%mm4 \n\t"
H263_LOOP_FILTER
"movq %%mm3, %1 \n\t"
"movq %%mm4, %2 \n\t"
"paddusb %%mm2, %%mm2 \n\t"
"packsswb %%mm1, %%mm0 \n\t"
"pcmpgtb %%mm0, %%mm7 \n\t"
"pxor %%mm7, %%mm0 \n\t"
"psubb %%mm7, %%mm0 \n\t"
"movq %%mm0, %%mm1 \n\t"
"psubusb %%mm2, %%mm0 \n\t"
"psubb %%mm0, %%mm1 \n\t"
"pand %5, %%mm1 \n\t"
"psrlw $2, %%mm1 \n\t"
"pxor %%mm7, %%mm1 \n\t"
"psubb %%mm7, %%mm1 \n\t"
"movq %0, %%mm3 \n\t"
"movq %3, %%mm4 \n\t"
"psubb %%mm1, %%mm3 \n\t"
"paddb %%mm1, %%mm4 \n\t"
"movq %%mm3, %0 \n\t"
"movq %%mm4, %3 \n\t"
"movq %%mm5, %0 \n\t"
"movq %%mm6, %3 \n\t"
: "+m" (*(uint64_t*)(src - 2*stride)),
"+m" (*(uint64_t*)(src - 1*stride)),
"+m" (*(uint64_t*)(src + 0*stride)),
@@ -555,6 +559,90 @@ static void h263_v_loop_filter_mmx(uint8_t *src, int stride, int qscale){
);
}

static inline void transpose4x4(uint8_t *dst, uint8_t *src, int dst_stride, int src_stride){
asm volatile( //FIXME could save 1 instruction if done as 8x4 ...
"movd %4, %%mm0 \n\t"
"movd %5, %%mm1 \n\t"
"movd %6, %%mm2 \n\t"
"movd %7, %%mm3 \n\t"
"punpcklbw %%mm1, %%mm0 \n\t"
"punpcklbw %%mm3, %%mm2 \n\t"
"movq %%mm0, %%mm1 \n\t"
"punpcklwd %%mm2, %%mm0 \n\t"
"punpckhwd %%mm2, %%mm1 \n\t"
"movd %%mm0, %0 \n\t"
"punpckhdq %%mm0, %%mm0 \n\t"
"movd %%mm0, %1 \n\t"
"movd %%mm1, %2 \n\t"
"punpckhdq %%mm1, %%mm1 \n\t"
"movd %%mm1, %3 \n\t"
: "=m" (*(uint32_t*)(dst + 0*dst_stride)),
"=m" (*(uint32_t*)(dst + 1*dst_stride)),
"=m" (*(uint32_t*)(dst + 2*dst_stride)),
"=m" (*(uint32_t*)(dst + 3*dst_stride))
: "m" (*(uint32_t*)(src + 0*src_stride)),
"m" (*(uint32_t*)(src + 1*src_stride)),
"m" (*(uint32_t*)(src + 2*src_stride)),
"m" (*(uint32_t*)(src + 3*src_stride))
);
}

static void h263_h_loop_filter_mmx(uint8_t *src, int stride, int qscale){
const int strength= ff_h263_loop_filter_strength[qscale];
uint64_t temp[4] __attribute__ ((aligned(8)));
uint8_t *btemp= (uint8_t*)temp;
src -= 2;

transpose4x4(btemp , src , 8, stride);
transpose4x4(btemp+4, src + 4*stride, 8, stride);
asm volatile(
H263_LOOP_FILTER // 5 3 4 6
: "+m" (temp[0]),
"+m" (temp[1]),
"+m" (temp[2]),
"+m" (temp[3])
: "g" (2*strength), "m"(ff_pb_FC)
);

asm volatile(
"movq %%mm5, %%mm1 \n\t"
"movq %%mm4, %%mm0 \n\t"
"punpcklbw %%mm3, %%mm5 \n\t"
"punpcklbw %%mm6, %%mm4 \n\t"
"punpckhbw %%mm3, %%mm1 \n\t"
"punpckhbw %%mm6, %%mm0 \n\t"
"movq %%mm5, %%mm3 \n\t"
"movq %%mm1, %%mm6 \n\t"
"punpcklwd %%mm4, %%mm5 \n\t"
"punpcklwd %%mm0, %%mm1 \n\t"
"punpckhwd %%mm4, %%mm3 \n\t"
"punpckhwd %%mm0, %%mm6 \n\t"
"movd %%mm5, %0 \n\t"
"punpckhdq %%mm5, %%mm5 \n\t"
"movd %%mm5, %1 \n\t"
"movd %%mm3, %2 \n\t"
"punpckhdq %%mm3, %%mm3 \n\t"
"movd %%mm3, %3 \n\t"
"movd %%mm1, %4 \n\t"
"punpckhdq %%mm1, %%mm1 \n\t"
"movd %%mm1, %5 \n\t"
"movd %%mm6, %6 \n\t"
"punpckhdq %%mm6, %%mm6 \n\t"
"movd %%mm6, %7 \n\t"
: "=m" (*(uint32_t*)(src + 0*stride)),
"=m" (*(uint32_t*)(src + 1*stride)),
"=m" (*(uint32_t*)(src + 2*stride)),
"=m" (*(uint32_t*)(src + 3*stride)),
"=m" (*(uint32_t*)(src + 4*stride)),
"=m" (*(uint32_t*)(src + 5*stride)),
"=m" (*(uint32_t*)(src + 6*stride)),
"=m" (*(uint32_t*)(src + 7*stride))
);
}

#ifdef CONFIG_ENCODERS
static int pix_norm1_mmx(uint8_t *pix, int line_size) {
int tmp;
@@ -1783,6 +1871,7 @@ void dsputil_init_mmx(DSPContext* c, AVCodecContext *avctx)
#endif //CONFIG_ENCODERS

c->h263_v_loop_filter= h263_v_loop_filter_mmx;
c->h263_h_loop_filter= h263_h_loop_filter_mmx;
if (mm_flags & MM_MMXEXT) {
c->put_pixels_tab[0][1] = put_pixels16_x2_mmx2;


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