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optimize 

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@11302 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
michael 2003-10-28 10:45:55 +00:00
parent 99f95a48ca
commit b2e9e05254
1 changed files with 76 additions and 4 deletions
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80
libmpcodecs/vf_spp.c
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@ -96,13 +96,12 @@ struct vf_priv_s {
#define SHIFT 22
static inline void requantize(DCTELEM dst[64], DCTELEM src[64], int qp, uint8_t *permutation){
static void requantize_c(DCTELEM dst[64], DCTELEM src[64], int qp, uint8_t *permutation){
int i;
const int qmul= qp<<1;
int bias= 0; //FIXME
unsigned int threshold1, threshold2;
threshold1= qmul*((1<<3) - bias) - 1;
threshold1= qp*((1<<4) - bias) - 1;
threshold2= (threshold1<<1);
memset(dst, 0, 64*sizeof(DCTELEM));
@ -117,6 +116,76 @@ static inline void requantize(DCTELEM dst[64], DCTELEM src[64], int qp, uint8_t
}
}
#ifdef HAVE_MMX
static void requantize_mmx(DCTELEM dst[64], DCTELEM src[64], int qp, uint8_t *permutation){
int bias= 0; //FIXME
unsigned int threshold1;
threshold1= qp*((1<<4) - bias) - 1;
asm volatile(
#define REQUANT_CORE(dst0, dst1, dst2, dst3, src0, src1, src2, src3) \
"movq " #src0 ", %%mm0 \n\t"\
"movq " #src1 ", %%mm1 \n\t"\
"movq " #src2 ", %%mm2 \n\t"\
"movq " #src3 ", %%mm3 \n\t"\
"psubw %%mm4, %%mm0 \n\t"\
"psubw %%mm4, %%mm1 \n\t"\
"psubw %%mm4, %%mm2 \n\t"\
"psubw %%mm4, %%mm3 \n\t"\
"paddusw %%mm5, %%mm0 \n\t"\
"paddusw %%mm5, %%mm1 \n\t"\
"paddusw %%mm5, %%mm2 \n\t"\
"paddusw %%mm5, %%mm3 \n\t"\
"paddw %%mm6, %%mm0 \n\t"\
"paddw %%mm6, %%mm1 \n\t"\
"paddw %%mm6, %%mm2 \n\t"\
"paddw %%mm6, %%mm3 \n\t"\
"psubusw %%mm6, %%mm0 \n\t"\
"psubusw %%mm6, %%mm1 \n\t"\
"psubusw %%mm6, %%mm2 \n\t"\
"psubusw %%mm6, %%mm3 \n\t"\
"psraw $3, %%mm0 \n\t"\
"psraw $3, %%mm1 \n\t"\
"psraw $3, %%mm2 \n\t"\
"psraw $3, %%mm3 \n\t"\
\
"movq %%mm0, %%mm7 \n\t"\
"punpcklwd %%mm2, %%mm0 \n\t" /*A*/\
"punpckhwd %%mm2, %%mm7 \n\t" /*C*/\
"movq %%mm1, %%mm2 \n\t"\
"punpcklwd %%mm3, %%mm1 \n\t" /*B*/\
"punpckhwd %%mm3, %%mm2 \n\t" /*D*/\
"movq %%mm0, %%mm3 \n\t"\
"punpcklwd %%mm1, %%mm0 \n\t" /*A*/\
"punpckhwd %%mm7, %%mm3 \n\t" /*C*/\
"punpcklwd %%mm1, %%mm7 \n\t" /*B*/\
"punpckhwd %%mm2, %%mm1 \n\t" /*D*/\
\
"movq %%mm0, " #dst0 " \n\t"\
"movq %%mm7, " #dst1 " \n\t"\
"movq %%mm3, " #dst2 " \n\t"\
"movq %%mm1, " #dst3 " \n\t"
"movd %2, %%mm4 \n\t"
"movd %3, %%mm5 \n\t"
"movd %4, %%mm6 \n\t"
"packssdw %%mm4, %%mm4 \n\t"
"packssdw %%mm5, %%mm5 \n\t"
"packssdw %%mm6, %%mm6 \n\t"
"packssdw %%mm4, %%mm4 \n\t"
"packssdw %%mm5, %%mm5 \n\t"
"packssdw %%mm6, %%mm6 \n\t"
REQUANT_CORE( (%1), 8(%1), 16(%1), 24(%1), (%0), 8(%0), 64(%0), 72(%0))
REQUANT_CORE(32(%1), 40(%1), 48(%1), 56(%1),16(%0),24(%0), 48(%0), 56(%0))
REQUANT_CORE(64(%1), 72(%1), 80(%1), 88(%1),32(%0),40(%0), 96(%0),104(%0))
REQUANT_CORE(96(%1),104(%1),112(%1),120(%1),80(%0),88(%0),112(%0),120(%0))
: : "r" (src), "r" (dst), "g" (threshold1+1), "g" (threshold1+5), "g" (threshold1-4) //FIXME maybe more accurate then needed?
);
dst[0]= (src[0] + 4)>>3;
}
#endif
static inline void add_block(int16_t *dst, int stride, DCTELEM block[64]){
int y;
@ -195,6 +264,8 @@ static void store_slice_mmx(uint8_t *dst, int16_t *src, int dst_stride, int src_
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 (*requantize)(DCTELEM dst[64], DCTELEM src[64], int qp, uint8_t *permutation)= requantize_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;
@ -202,7 +273,7 @@ static void filter(struct vf_priv_s *p, uint8_t *dst, uint8_t *src, int dst_stri
uint64_t block_align[32];
DCTELEM *block = (DCTELEM *)block_align;
DCTELEM *block2= (DCTELEM *)(block_align+16);
for(y=0; y<height; y++){
int index= 8 + 8*stride + y*stride;
memcpy(p->src + index, src + y*src_stride, width);
@ -364,6 +435,7 @@ static int open(vf_instance_t *vf, char* args){
dsputil_init(&vf->priv->dsp, vf->priv->avctx);
if(gCpuCaps.hasMMX){
store_slice= store_slice_mmx;
requantize= requantize_mmx;
}
vf->priv->log2_count= 6;