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yv12 -> yuy2 converter in alpha asm (from mplayerxp)

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Originally committed as revision 9394 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
This commit is contained in:
Michael Niedermayer 2003-02-11 13:13:16 +00:00
parent f0b62bbde2
commit b3b8bf6419
1 changed files with 50 additions and 2 deletions
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52
postproc/rgb2rgb_template.c
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@ -1413,7 +1413,55 @@ static inline void RENAME(yuvPlanartoyuy2)(const uint8_t *ysrc, const uint8_t *u
: "%eax"
);
#else
#if __WORDSIZE >= 64
#if defined ARCH_ALPHA && defined HAVE_MVI
#define pl2yuy2(n) \
y1 = yc[n]; \
y2 = yc2[n]; \
u = uc[n]; \
v = vc[n]; \
asm("unpkbw %1, %0" : "=r"(y1) : "r"(y1)); \
asm("unpkbw %1, %0" : "=r"(y2) : "r"(y2)); \
asm("unpkbl %1, %0" : "=r"(u) : "r"(u)); \
asm("unpkbl %1, %0" : "=r"(v) : "r"(v)); \
yuv1 = (u << 8) + (v << 24); \
yuv2 = yuv1 + y2; \
yuv1 += y1; \
qdst[n] = yuv1; \
qdst2[n] = yuv2;
int i;
uint64_t *qdst = (uint64_t *) dst;
uint64_t *qdst2 = (uint64_t *) (dst + dstStride);
const uint32_t *yc = (uint32_t *) ysrc;
const uint32_t *yc2 = (uint32_t *) (ysrc + lumStride);
const uint16_t *uc = (uint16_t*) usrc, *vc = (uint16_t*) vsrc;
for(i = 0; i < chromWidth; i += 8){
uint64_t y1, y2, yuv1, yuv2;
uint64_t u, v;
/* Prefetch */
asm("ldq $31,64(%0)" :: "r"(yc));
asm("ldq $31,64(%0)" :: "r"(yc2));
asm("ldq $31,64(%0)" :: "r"(uc));
asm("ldq $31,64(%0)" :: "r"(vc));
pl2yuy2(0);
pl2yuy2(1);
pl2yuy2(2);
pl2yuy2(3);
yc += 4;
yc2 += 4;
uc += 4;
vc += 4;
qdst += 4;
qdst2 += 4;
}
y++;
ysrc += lumStride;
dst += dstStride;
#elif __WORDSIZE >= 64
int i;
uint64_t *ldst = (uint64_t *) dst;
const uint8_t *yc = ysrc, *uc = usrc, *vc = vsrc;
@ -2354,7 +2402,7 @@ static inline void RENAME(yvu9_to_yuy2)(const uint8_t *src1, const uint8_t *src2
x2=0;
x=0;
#ifdef HAVE_MMX
for(;x<w;x+=8,x2+=32)
for(;x<w-7;x+=8,x2+=32)
{
asm volatile(
PREFETCH" 32%1\n\t"