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optimizing

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@11300 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
michael 2003-10-27 23:47:39 +00:00
parent c829d6fe6a
commit 5ac153b4c5
1 changed files with 78 additions and 28 deletions
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102
libmpcodecs/vf_spp.c
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@ -128,20 +128,85 @@ static inline void add_block(int16_t *dst, int stride, DCTELEM block[64]){
}
}
static void store_slice_c(uint8_t *dst, int16_t *src, int dst_stride, int src_stride, int width, int log2_scale){
int y, x;
#define STORE(pos) \
temp= ((src[x + y*src_stride + pos]<<log2_scale) + d[pos])>>6;\
if(temp & 0x100) temp= ~(temp>>31);\
dst[x + y*dst_stride + pos]= temp;
for(y=0; y<8; y++){
uint8_t *d= dither[y];
for(x=0; x<width; x+=8){
int temp;
STORE(0);
STORE(1);
STORE(2);
STORE(3);
STORE(4);
STORE(5);
STORE(6);
STORE(7);
}
}
}
#ifdef HAVE_MMX
static void store_slice_mmx(uint8_t *dst, int16_t *src, int dst_stride, int src_stride, int width, int log2_scale){
int y;
for(y=0; y<8; y++){
uint8_t *dst1= dst;
int16_t *src1= src;
asm volatile(
"movq (%3), %%mm3 \n\t"
"movq (%3), %%mm4 \n\t"
"movd %4, %%mm2 \n\t"
"pxor %%mm0, %%mm0 \n\t"
"punpcklbw %%mm0, %%mm3 \n\t"
"punpckhbw %%mm0, %%mm4 \n\t"
"psraw %%mm2, %%mm3 \n\t"
"psraw %%mm2, %%mm4 \n\t"
"movd %5, %%mm2 \n\t"
"1: \n\t"
"movq (%0), %%mm0 \n\t"
"movq 8(%0), %%mm1 \n\t"
"paddw %%mm3, %%mm0 \n\t"
"paddw %%mm4, %%mm1 \n\t"
"psraw %%mm2, %%mm0 \n\t"
"psraw %%mm2, %%mm1 \n\t"
"packuswb %%mm1, %%mm0 \n\t"
"movq %%mm0, (%1) \n\t"
"addl $16, %0 \n\t"
"addl $8, %1 \n\t"
"cmpl %2, %1 \n\t"
" jb 1b \n\t"
: "+r" (src1), "+r"(dst1)
: "r"(dst + width), "r"(dither[y]), "g"(log2_scale), "g"(6-log2_scale)
);
src += src_stride;
dst += dst_stride;
}
// if(width != mmxw)
// store_slice_c(dst + mmxw, src + mmxw, dst_stride, src_stride, width - mmxw, log2_scale);
}
#endif
static void (*store_slice)(uint8_t *dst, int16_t *src, int dst_stride, int src_stride, int width, int log2_scale)= store_slice_c;
static void filter(struct vf_priv_s *p, uint8_t *dst, uint8_t *src, int dst_stride, int src_stride, int width, int height, uint8_t *qp_store, int qp_stride, int is_luma){
int x, y, i;
const int count= 1<<p->log2_count;
const int log2_scale= 6-p->log2_count;
const int stride= p->temp_stride; //FIXME
const int stride= is_luma ? p->temp_stride : (p->temp_stride/2 + 8);
uint64_t block_align[32];
DCTELEM *block = (DCTELEM *)block_align;
DCTELEM *block2= (DCTELEM *)(block_align+16);
for(y=0; y<height; y++){
memcpy(p->src + 8 + 8*stride + y*stride, src + y*src_stride, width);
memset(p->temp + 8*stride + y*stride, 0, stride*sizeof(int16_t));
for(x=0; x<8; x++){
int index= 8 + 8*stride + y*stride;
memcpy(p->src + index, src + y*src_stride, width);
for(x=0; x<8; x++){
p->src[index - x - 1]= p->src[index + x ];
p->src[index + width + x ]= p->src[index + width - x - 1];
}
@ -153,6 +218,7 @@ static void filter(struct vf_priv_s *p, uint8_t *dst, uint8_t *src, int dst_stri
//FIXME (try edge emu)
for(y=0; y<height+8; y+=8){
memset(p->temp + (8+y)*stride, 0, 8*stride*sizeof(int16_t));
for(x=0; x<width+8; x+=8){
const int qps= 3 + is_luma;
int qp;
@ -174,27 +240,8 @@ static void filter(struct vf_priv_s *p, uint8_t *dst, uint8_t *src, int dst_stri
add_block(p->temp + index, stride, block2);
}
}
}
#define STORE(pos) \
temp= ((p->temp[index + pos]<<log2_scale) + d[pos])>>6;\
if(temp & 0x100) temp= ~(temp>>31);\
dst[x + y*dst_stride + pos]= temp;
for(y=0; y<height; y++){
uint8_t *d= dither[y&7];
for(x=0; x<width; x+=8){
const int index= 8 + 8*stride + x + y*stride;
int temp;
STORE(0);
STORE(1);
STORE(2);
STORE(3);
STORE(4);
STORE(5);
STORE(6);
STORE(7);
}
if(y)
store_slice(dst + (y-8)*dst_stride, p->temp + 8 + y*stride, dst_stride, stride, width, 6-p->log2_count);
}
#if 0
for(y=0; y<height; y++){
@ -315,6 +362,9 @@ static int open(vf_instance_t *vf, char* args){
vf->priv->avctx= avcodec_alloc_context();
dsputil_init(&vf->priv->dsp, vf->priv->avctx);
if(gCpuCaps.hasMMX){
store_slice= store_slice_mmx;
}
vf->priv->log2_count= 6;