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yv12->uyvy MMX

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Originally committed as revision 11073 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
This commit is contained in:
Michael Niedermayer 2003-10-10 00:19:16 +00:00
parent abdcd3379a
commit 7ac25f2d00
1 changed files with 44 additions and 0 deletions
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44
postproc/rgb2rgb_template.c
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@ -1576,6 +1576,44 @@ static inline void RENAME(yuvPlanartouyvy)(const uint8_t *ysrc, const uint8_t *u
const unsigned chromWidth= width>>1;
for(y=0; y<height; y++)
{
#ifdef HAVE_MMX
//FIXME handle 2 lines a once (fewer prefetch, reuse some chrom, but very likely limited by mem anyway)
asm volatile(
"xorl %%eax, %%eax \n\t"
".balign 16 \n\t"
"1: \n\t"
PREFETCH" 32(%1, %%eax, 2) \n\t"
PREFETCH" 32(%2, %%eax) \n\t"
PREFETCH" 32(%3, %%eax) \n\t"
"movq (%2, %%eax), %%mm0 \n\t" // U(0)
"movq %%mm0, %%mm2 \n\t" // U(0)
"movq (%3, %%eax), %%mm1 \n\t" // V(0)
"punpcklbw %%mm1, %%mm0 \n\t" // UVUV UVUV(0)
"punpckhbw %%mm1, %%mm2 \n\t" // UVUV UVUV(8)
"movq (%1, %%eax,2), %%mm3 \n\t" // Y(0)
"movq 8(%1, %%eax,2), %%mm5 \n\t" // Y(8)
"movq %%mm0, %%mm4 \n\t" // Y(0)
"movq %%mm2, %%mm6 \n\t" // Y(8)
"punpcklbw %%mm3, %%mm0 \n\t" // YUYV YUYV(0)
"punpckhbw %%mm3, %%mm4 \n\t" // YUYV YUYV(4)
"punpcklbw %%mm5, %%mm2 \n\t" // YUYV YUYV(8)
"punpckhbw %%mm5, %%mm6 \n\t" // YUYV YUYV(12)
MOVNTQ" %%mm0, (%0, %%eax, 4) \n\t"
MOVNTQ" %%mm4, 8(%0, %%eax, 4) \n\t"
MOVNTQ" %%mm2, 16(%0, %%eax, 4) \n\t"
MOVNTQ" %%mm6, 24(%0, %%eax, 4) \n\t"
"addl $8, %%eax \n\t"
"cmpl %4, %%eax \n\t"
" jb 1b \n\t"
::"r"(dst), "r"(ysrc), "r"(usrc), "r"(vsrc), "g" (chromWidth)
: "%eax"
);
#else
//FIXME adapt the alpha asm code from yv12->yuy2
#if __WORDSIZE >= 64
int i;
uint64_t *ldst = (uint64_t *) dst;
@ -1602,6 +1640,7 @@ static inline void RENAME(yuvPlanartouyvy)(const uint8_t *ysrc, const uint8_t *u
uc++;
vc++;
}
#endif
#endif
if((y&(vertLumPerChroma-1))==(vertLumPerChroma-1) )
{
@ -1611,6 +1650,11 @@ static inline void RENAME(yuvPlanartouyvy)(const uint8_t *ysrc, const uint8_t *u
ysrc += lumStride;
dst += dstStride;
}
#ifdef HAVE_MMX
asm( EMMS" \n\t"
SFENCE" \n\t"
:::"memory");
#endif
}
/**