virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-23 12:43:46 +02:00
Code Issues Releases Activity

rgb24to32 now is faster

Browse Source 
Originally committed as revision 2739 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
This commit is contained in:
Nick Kurshev 2001-11-06 13:53:43 +00:00
parent 18e19c3159
commit 0155db7f6c
2 changed files with 112 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

64
postproc/rgb2rgb.c
View File

@ -40,20 +40,26 @@ void rgb24to32(const uint8_t *src,uint8_t *dst,unsigned src_size)
__asm __volatile(
PREFETCH" 32%1\n\t"
"movd %1, %%mm0\n\t"
"movd 3%1, %%mm1\n\t"
"movd 6%1, %%mm2\n\t"
"movd 9%1, %%mm3\n\t"
"punpckldq %%mm1, %%mm0\n\t"
"punpckldq %%mm3, %%mm2\n\t"
"punpckldq 3%1, %%mm0\n\t"
"movd 6%1, %%mm1\n\t"
"punpckldq 9%1, %%mm1\n\t"
"movd 12%1, %%mm2\n\t"
"punpckldq 15%1, %%mm2\n\t"
"movd 18%1, %%mm3\n\t"
"punpckldq 21%1, %%mm3\n\t"
"pand %%mm7, %%mm0\n\t"
"pand %%mm7, %%mm1\n\t"
"pand %%mm7, %%mm2\n\t"
"pand %%mm7, %%mm3\n\t"
MOVNTQ" %%mm0, %0\n\t"
MOVNTQ" %%mm2, 8%0"
MOVNTQ" %%mm1, 8%0\n\t"
MOVNTQ" %%mm2, 16%0\n\t"
MOVNTQ" %%mm3, 24%0"
:"=m"(*dest)
:"m"(*s)
:"memory");
dest += 16;
s += 12;
dest += 32;
s += 24;
}
__asm __volatile(SFENCE:::"memory");
__asm __volatile(EMMS:::"memory");
@ -249,6 +255,48 @@ void rgb24to16(const uint8_t *src, uint8_t *dst, unsigned src_size)
{
unsigned j,i,num_pixels=src_size/3;
uint16_t *d = (uint16_t *)dst;
#if 0/*def HAVE_MMX*/
unsigned mm_npix;
const uint64_t mm_fc = 0xFCFCFCFCFCFCFCFCULL, mm_f8 = 0xF8F8F8F8F8F8F8F8ULL;
mm_npix = ((num_pixels)/(MMREG_SIZE*2))*(MMREG_SIZE*2);
num_pixels -= mm_npix;
__asm __volatile(PREFETCH" %0"::"m"(*src):"memory");
__asm __volatile(
"movq %0, %%mm7\n\t"
"movq %1, %%mm6\n\t"
::"m"(mm_fc),"m"(mm_f8));
for(j=0,i=0;j<mm_npix;j+=4,i+=12)
{
__asm __volatile(
PREFETCH" 32%1\n\t"
"movd %1, %%mm0\n\t"
"punpckldq 3%1, %%mm0\n\t"
"movd 6%1, %%mm3\n\t"
"punpckldq 9%1, %%mm3\n\t"
"movq %%mm0, %%mm1\n\t"
"movq %%mm0, %%mm2\n\t"
"movq %%mm3, %%mm4\n\t"
"movq %%mm3, %%mm5\n\t"
"psrlq $3, %%mm0\n\t"
"psrlq $3, %%mm3\n\t"
"pand %%mm7, %%mm1\n\t"
"pand %%mm7, %%mm4\n\t"
"psllq $3, %%mm1\n\t"
"psllq $3, %%mm4\n\t"
"pand %%mm6, %%mm2\n\t"
"pand %%mm6, %%mm5\n\t"
"psllq $8, %%mm2\n\t"
"psllq $8, %%mm5\n\t"
"por %%mm1, %%mm0\n\t"
"por %%mm2, %%mm0\n\t"
"por %%mm4, %%mm3\n\t"
"por %%mm5, %%mm3\n\t"
"punpcklwd %%mm3, %%mm0\n\t"
MOVNTQ" %%mm0, %0\n\t"
:"=m"(d[j]):"m"(src[i]):"memory");
}
#endif
for(i=0,j=0; j<num_pixels; i+=3,j++)
{
const int b= src[i+0];

64
postproc/rgb2rgb_template.c
View File

@ -40,20 +40,26 @@ void rgb24to32(const uint8_t *src,uint8_t *dst,unsigned src_size)
__asm __volatile(
PREFETCH" 32%1\n\t"
"movd %1, %%mm0\n\t"
"movd 3%1, %%mm1\n\t"
"movd 6%1, %%mm2\n\t"
"movd 9%1, %%mm3\n\t"
"punpckldq %%mm1, %%mm0\n\t"
"punpckldq %%mm3, %%mm2\n\t"
"punpckldq 3%1, %%mm0\n\t"
"movd 6%1, %%mm1\n\t"
"punpckldq 9%1, %%mm1\n\t"
"movd 12%1, %%mm2\n\t"
"punpckldq 15%1, %%mm2\n\t"
"movd 18%1, %%mm3\n\t"
"punpckldq 21%1, %%mm3\n\t"
"pand %%mm7, %%mm0\n\t"
"pand %%mm7, %%mm1\n\t"
"pand %%mm7, %%mm2\n\t"
"pand %%mm7, %%mm3\n\t"
MOVNTQ" %%mm0, %0\n\t"
MOVNTQ" %%mm2, 8%0"
MOVNTQ" %%mm1, 8%0\n\t"
MOVNTQ" %%mm2, 16%0\n\t"
MOVNTQ" %%mm3, 24%0"
:"=m"(*dest)
:"m"(*s)
:"memory");
dest += 16;
s += 12;
dest += 32;
s += 24;
}
__asm __volatile(SFENCE:::"memory");
__asm __volatile(EMMS:::"memory");
@ -249,6 +255,48 @@ void rgb24to16(const uint8_t *src, uint8_t *dst, unsigned src_size)
{
unsigned j,i,num_pixels=src_size/3;
uint16_t *d = (uint16_t *)dst;
#if 0/*def HAVE_MMX*/
unsigned mm_npix;
const uint64_t mm_fc = 0xFCFCFCFCFCFCFCFCULL, mm_f8 = 0xF8F8F8F8F8F8F8F8ULL;
mm_npix = ((num_pixels)/(MMREG_SIZE*2))*(MMREG_SIZE*2);
num_pixels -= mm_npix;
__asm __volatile(PREFETCH" %0"::"m"(*src):"memory");
__asm __volatile(
"movq %0, %%mm7\n\t"
"movq %1, %%mm6\n\t"
::"m"(mm_fc),"m"(mm_f8));
for(j=0,i=0;j<mm_npix;j+=4,i+=12)
{
__asm __volatile(
PREFETCH" 32%1\n\t"
"movd %1, %%mm0\n\t"
"punpckldq 3%1, %%mm0\n\t"
"movd 6%1, %%mm3\n\t"
"punpckldq 9%1, %%mm3\n\t"
"movq %%mm0, %%mm1\n\t"
"movq %%mm0, %%mm2\n\t"
"movq %%mm3, %%mm4\n\t"
"movq %%mm3, %%mm5\n\t"
"psrlq $3, %%mm0\n\t"
"psrlq $3, %%mm3\n\t"
"pand %%mm7, %%mm1\n\t"
"pand %%mm7, %%mm4\n\t"
"psllq $3, %%mm1\n\t"
"psllq $3, %%mm4\n\t"
"pand %%mm6, %%mm2\n\t"
"pand %%mm6, %%mm5\n\t"
"psllq $8, %%mm2\n\t"
"psllq $8, %%mm5\n\t"
"por %%mm1, %%mm0\n\t"
"por %%mm2, %%mm0\n\t"
"por %%mm4, %%mm3\n\t"
"por %%mm5, %%mm3\n\t"
"punpcklwd %%mm3, %%mm0\n\t"
MOVNTQ" %%mm0, %0\n\t"
:"=m"(d[j]):"m"(src[i]):"memory");
}
#endif
for(i=0,j=0; j<num_pixels; i+=3,j++)
{
const int b= src[i+0];