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c optimizations

bugfix

Originally committed as revision 2577 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
This commit is contained in:
Michael Niedermayer 2001-10-30 22:24:38 +00:00
parent d9fc1cfec1
commit 397c035e91
2 changed files with 150 additions and 48 deletions

View File

@ -290,10 +290,10 @@ static int canMMX2BeUsed=0;
"movq (%3, %%eax), %%mm3 \n\t" /* uvbuf1[eax]*/\
"movq 4096(%2, %%eax), %%mm5 \n\t" /* uvbuf0[eax+2048]*/\
"movq 4096(%3, %%eax), %%mm4 \n\t" /* uvbuf1[eax+2048]*/\
"paddw %%mm2, %%mm3 \n\t"\
"paddw %%mm5, %%mm4 \n\t"\
"psraw $5, %%mm3 \n\t" /* uvbuf0[eax] - uvbuf1[eax] >>4*/\
"psraw $5, %%mm4 \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048] >>4*/\
"paddw %%mm2, %%mm3 \n\t" /* uvbuf0[eax] + uvbuf1[eax]*/\
"paddw %%mm5, %%mm4 \n\t" /* uvbuf0[eax+2048] + uvbuf1[eax+2048]*/\
"psrlw $5, %%mm3 \n\t"\
"psrlw $5, %%mm4 \n\t"\
"psubw w400, %%mm3 \n\t" /* (U-128)8*/\
"psubw w400, %%mm4 \n\t" /* (V-128)8*/\
"movq %%mm3, %%mm2 \n\t" /* (U-128)8*/\
@ -785,7 +785,6 @@ FULL_YSCALEYUV2RGB
);
}
#else
//FIXME unroll C loop and dont recalculate UV
asm volatile ("\n\t"::: "memory");
if(dstbpp==32)
@ -898,8 +897,9 @@ static inline void yuv2rgb1(uint16_t *buf0, uint16_t *buf1, uint16_t *uvbuf0, ui
yuv2rgbX(buf0, buf1, uvbuf0, uvbuf1, dest, dstw, yalpha, uvalpha, dstbpp);
return;
}
#ifdef HAVE_MMX
if( yalpha > 2048 ) buf0 = buf1;
#ifdef HAVE_MMX
if( uvalpha < 2048 ) // note this is not correct (shifts chrominance by 0.5 pixels) but its a bit faster
{
if(dstbpp == 32)
@ -1013,48 +1013,99 @@ static inline void yuv2rgb1(uint16_t *buf0, uint16_t *buf1, uint16_t *uvbuf0, ui
}
}
#else
//FIXME unroll C loop and dont recalculate UV
//FIXME write 2 versions (for even & odd lines)
asm volatile ("\n\t"::: "memory");
if(dstbpp==32 || dstbpp==24)
if(dstbpp==32)
{
for(i=0;i<dstw;i++){
for(i=0; i<dstw-1; i+=2){
// vertical linear interpolation && yuv2rgb in a single step:
int Y=yuvtab_2568[buf0[i]>>7];
int Y1=yuvtab_2568[buf0[i]>>7];
int Y2=yuvtab_2568[buf0[i+1]>>7];
int U=((uvbuf0[i/2]*uvalpha1+uvbuf1[i/2]*uvalpha)>>19);
int V=((uvbuf0[i/2+2048]*uvalpha1+uvbuf1[i/2+2048]*uvalpha)>>19);
dest[0]=clip_table[((Y + yuvtab_40cf[U]) >>13)];
dest[1]=clip_table[((Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13)];
dest[2]=clip_table[((Y + yuvtab_3343[V]) >>13)];
dest+=dstbpp>>3;
int Cb= yuvtab_40cf[U];
int Cg= yuvtab_1a1e[V] + yuvtab_0c92[U];
int Cr= yuvtab_3343[V];
dest[4*i+0]=clip_table[((Y1 + Cb) >>13)];
dest[4*i+1]=clip_table[((Y1 + Cg) >>13)];
dest[4*i+2]=clip_table[((Y1 + Cr) >>13)];
dest[4*i+4]=clip_table[((Y2 + Cb) >>13)];
dest[4*i+5]=clip_table[((Y2 + Cg) >>13)];
dest[4*i+6]=clip_table[((Y2 + Cr) >>13)];
}
}
if(dstbpp==24)
{
for(i=0; i<dstw-1; i+=2){
// vertical linear interpolation && yuv2rgb in a single step:
int Y1=yuvtab_2568[buf0[i]>>7];
int Y2=yuvtab_2568[buf0[i+1]>>7];
int U=((uvbuf0[i/2]*uvalpha1+uvbuf1[i/2]*uvalpha)>>19);
int V=((uvbuf0[i/2+2048]*uvalpha1+uvbuf1[i/2+2048]*uvalpha)>>19);
int Cb= yuvtab_40cf[U];
int Cg= yuvtab_1a1e[V] + yuvtab_0c92[U];
int Cr= yuvtab_3343[V];
dest[0]=clip_table[((Y1 + Cb) >>13)];
dest[1]=clip_table[((Y1 + Cg) >>13)];
dest[2]=clip_table[((Y1 + Cr) >>13)];
dest[3]=clip_table[((Y2 + Cb) >>13)];
dest[4]=clip_table[((Y2 + Cg) >>13)];
dest[5]=clip_table[((Y2 + Cr) >>13)];
dest+=6;
}
}
else if(dstbpp==16)
{
for(i=0;i<dstw;i++){
for(i=0; i<dstw-1; i+=2){
// vertical linear interpolation && yuv2rgb in a single step:
int Y=yuvtab_2568[buf0[i]>>7];
int Y1=yuvtab_2568[buf0[i]>>7];
int Y2=yuvtab_2568[buf0[i+1]>>7];
int U=((uvbuf0[i/2]*uvalpha1+uvbuf1[i/2]*uvalpha)>>19);
int V=((uvbuf0[i/2+2048]*uvalpha1+uvbuf1[i/2+2048]*uvalpha)>>19);
int Cb= yuvtab_40cf[U];
int Cg= yuvtab_1a1e[V] + yuvtab_0c92[U];
int Cr= yuvtab_3343[V];
((uint16_t*)dest)[i] =
(clip_table[(Y + yuvtab_40cf[U]) >>13]>>3) |
((clip_table[(Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13]<<3)&0x07E0) |
((clip_table[(Y + yuvtab_3343[V]) >>13]<<8)&0xF800);
(clip_table[(Y1 + Cb) >>13]>>3) |
((clip_table[(Y1 + Cg) >>13]<<3)&0x07E0) |
((clip_table[(Y1 + Cr) >>13]<<8)&0xF800);
((uint16_t*)dest)[i+1] =
(clip_table[(Y2 + Cb) >>13]>>3) |
((clip_table[(Y2 + Cg) >>13]<<3)&0x07E0) |
((clip_table[(Y2 + Cr) >>13]<<8)&0xF800);
}
}
else if(dstbpp==15)
{
for(i=0;i<dstw;i++){
for(i=0; i<dstw-1; i+=2){
// vertical linear interpolation && yuv2rgb in a single step:
int Y=yuvtab_2568[buf0[i]>>7];
int Y1=yuvtab_2568[buf0[i]>>7];
int Y2=yuvtab_2568[buf0[i+1]>>7];
int U=((uvbuf0[i/2]*uvalpha1+uvbuf1[i/2]*uvalpha)>>19);
int V=((uvbuf0[i/2+2048]*uvalpha1+uvbuf1[i/2+2048]*uvalpha)>>19);
int Cb= yuvtab_40cf[U];
int Cg= yuvtab_1a1e[V] + yuvtab_0c92[U];
int Cr= yuvtab_3343[V];
((uint16_t*)dest)[i] =
(clip_table[(Y + yuvtab_40cf[U]) >>13]>>3) |
((clip_table[(Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13]<<2)&0x03E0) |
((clip_table[(Y + yuvtab_3343[V]) >>13]<<7)&0x7C00);
(clip_table[(Y1 + Cb) >>13]>>3) |
((clip_table[(Y1 + Cg) >>13]<<2)&0x03E0) |
((clip_table[(Y1 + Cr) >>13]<<7)&0x7C00);
((uint16_t*)dest)[i+1] =
(clip_table[(Y2 + Cb) >>13]>>3) |
((clip_table[(Y2 + Cg) >>13]<<2)&0x03E0) |
((clip_table[(Y2 + Cr) >>13]<<7)&0x7C00);
}
}
#endif

View File

@ -290,10 +290,10 @@ static int canMMX2BeUsed=0;
"movq (%3, %%eax), %%mm3 \n\t" /* uvbuf1[eax]*/\
"movq 4096(%2, %%eax), %%mm5 \n\t" /* uvbuf0[eax+2048]*/\
"movq 4096(%3, %%eax), %%mm4 \n\t" /* uvbuf1[eax+2048]*/\
"paddw %%mm2, %%mm3 \n\t"\
"paddw %%mm5, %%mm4 \n\t"\
"psraw $5, %%mm3 \n\t" /* uvbuf0[eax] - uvbuf1[eax] >>4*/\
"psraw $5, %%mm4 \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048] >>4*/\
"paddw %%mm2, %%mm3 \n\t" /* uvbuf0[eax] + uvbuf1[eax]*/\
"paddw %%mm5, %%mm4 \n\t" /* uvbuf0[eax+2048] + uvbuf1[eax+2048]*/\
"psrlw $5, %%mm3 \n\t"\
"psrlw $5, %%mm4 \n\t"\
"psubw w400, %%mm3 \n\t" /* (U-128)8*/\
"psubw w400, %%mm4 \n\t" /* (V-128)8*/\
"movq %%mm3, %%mm2 \n\t" /* (U-128)8*/\
@ -785,7 +785,6 @@ FULL_YSCALEYUV2RGB
);
}
#else
//FIXME unroll C loop and dont recalculate UV
asm volatile ("\n\t"::: "memory");
if(dstbpp==32)
@ -898,8 +897,9 @@ static inline void yuv2rgb1(uint16_t *buf0, uint16_t *buf1, uint16_t *uvbuf0, ui
yuv2rgbX(buf0, buf1, uvbuf0, uvbuf1, dest, dstw, yalpha, uvalpha, dstbpp);
return;
}
#ifdef HAVE_MMX
if( yalpha > 2048 ) buf0 = buf1;
#ifdef HAVE_MMX
if( uvalpha < 2048 ) // note this is not correct (shifts chrominance by 0.5 pixels) but its a bit faster
{
if(dstbpp == 32)
@ -1013,48 +1013,99 @@ static inline void yuv2rgb1(uint16_t *buf0, uint16_t *buf1, uint16_t *uvbuf0, ui
}
}
#else
//FIXME unroll C loop and dont recalculate UV
//FIXME write 2 versions (for even & odd lines)
asm volatile ("\n\t"::: "memory");
if(dstbpp==32 || dstbpp==24)
if(dstbpp==32)
{
for(i=0;i<dstw;i++){
for(i=0; i<dstw-1; i+=2){
// vertical linear interpolation && yuv2rgb in a single step:
int Y=yuvtab_2568[buf0[i]>>7];
int Y1=yuvtab_2568[buf0[i]>>7];
int Y2=yuvtab_2568[buf0[i+1]>>7];
int U=((uvbuf0[i/2]*uvalpha1+uvbuf1[i/2]*uvalpha)>>19);
int V=((uvbuf0[i/2+2048]*uvalpha1+uvbuf1[i/2+2048]*uvalpha)>>19);
dest[0]=clip_table[((Y + yuvtab_40cf[U]) >>13)];
dest[1]=clip_table[((Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13)];
dest[2]=clip_table[((Y + yuvtab_3343[V]) >>13)];
dest+=dstbpp>>3;
int Cb= yuvtab_40cf[U];
int Cg= yuvtab_1a1e[V] + yuvtab_0c92[U];
int Cr= yuvtab_3343[V];
dest[4*i+0]=clip_table[((Y1 + Cb) >>13)];
dest[4*i+1]=clip_table[((Y1 + Cg) >>13)];
dest[4*i+2]=clip_table[((Y1 + Cr) >>13)];
dest[4*i+4]=clip_table[((Y2 + Cb) >>13)];
dest[4*i+5]=clip_table[((Y2 + Cg) >>13)];
dest[4*i+6]=clip_table[((Y2 + Cr) >>13)];
}
}
if(dstbpp==24)
{
for(i=0; i<dstw-1; i+=2){
// vertical linear interpolation && yuv2rgb in a single step:
int Y1=yuvtab_2568[buf0[i]>>7];
int Y2=yuvtab_2568[buf0[i+1]>>7];
int U=((uvbuf0[i/2]*uvalpha1+uvbuf1[i/2]*uvalpha)>>19);
int V=((uvbuf0[i/2+2048]*uvalpha1+uvbuf1[i/2+2048]*uvalpha)>>19);
int Cb= yuvtab_40cf[U];
int Cg= yuvtab_1a1e[V] + yuvtab_0c92[U];
int Cr= yuvtab_3343[V];
dest[0]=clip_table[((Y1 + Cb) >>13)];
dest[1]=clip_table[((Y1 + Cg) >>13)];
dest[2]=clip_table[((Y1 + Cr) >>13)];
dest[3]=clip_table[((Y2 + Cb) >>13)];
dest[4]=clip_table[((Y2 + Cg) >>13)];
dest[5]=clip_table[((Y2 + Cr) >>13)];
dest+=6;
}
}
else if(dstbpp==16)
{
for(i=0;i<dstw;i++){
for(i=0; i<dstw-1; i+=2){
// vertical linear interpolation && yuv2rgb in a single step:
int Y=yuvtab_2568[buf0[i]>>7];
int Y1=yuvtab_2568[buf0[i]>>7];
int Y2=yuvtab_2568[buf0[i+1]>>7];
int U=((uvbuf0[i/2]*uvalpha1+uvbuf1[i/2]*uvalpha)>>19);
int V=((uvbuf0[i/2+2048]*uvalpha1+uvbuf1[i/2+2048]*uvalpha)>>19);
int Cb= yuvtab_40cf[U];
int Cg= yuvtab_1a1e[V] + yuvtab_0c92[U];
int Cr= yuvtab_3343[V];
((uint16_t*)dest)[i] =
(clip_table[(Y + yuvtab_40cf[U]) >>13]>>3) |
((clip_table[(Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13]<<3)&0x07E0) |
((clip_table[(Y + yuvtab_3343[V]) >>13]<<8)&0xF800);
(clip_table[(Y1 + Cb) >>13]>>3) |
((clip_table[(Y1 + Cg) >>13]<<3)&0x07E0) |
((clip_table[(Y1 + Cr) >>13]<<8)&0xF800);
((uint16_t*)dest)[i+1] =
(clip_table[(Y2 + Cb) >>13]>>3) |
((clip_table[(Y2 + Cg) >>13]<<3)&0x07E0) |
((clip_table[(Y2 + Cr) >>13]<<8)&0xF800);
}
}
else if(dstbpp==15)
{
for(i=0;i<dstw;i++){
for(i=0; i<dstw-1; i+=2){
// vertical linear interpolation && yuv2rgb in a single step:
int Y=yuvtab_2568[buf0[i]>>7];
int Y1=yuvtab_2568[buf0[i]>>7];
int Y2=yuvtab_2568[buf0[i+1]>>7];
int U=((uvbuf0[i/2]*uvalpha1+uvbuf1[i/2]*uvalpha)>>19);
int V=((uvbuf0[i/2+2048]*uvalpha1+uvbuf1[i/2+2048]*uvalpha)>>19);
int Cb= yuvtab_40cf[U];
int Cg= yuvtab_1a1e[V] + yuvtab_0c92[U];
int Cr= yuvtab_3343[V];
((uint16_t*)dest)[i] =
(clip_table[(Y + yuvtab_40cf[U]) >>13]>>3) |
((clip_table[(Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13]<<2)&0x03E0) |
((clip_table[(Y + yuvtab_3343[V]) >>13]<<7)&0x7C00);
(clip_table[(Y1 + Cb) >>13]>>3) |
((clip_table[(Y1 + Cg) >>13]<<2)&0x03E0) |
((clip_table[(Y1 + Cr) >>13]<<7)&0x7C00);
((uint16_t*)dest)[i+1] =
(clip_table[(Y2 + Cb) >>13]>>3) |
((clip_table[(Y2 + Cg) >>13]<<2)&0x03E0) |
((clip_table[(Y2 + Cr) >>13]<<7)&0x7C00);
}
}
#endif