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| author | Michael Niedermayer <michaelni@gmx.at> | 2003-02-11 13:13:16 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2003-02-11 13:13:16 +0000 |
| commit | b3b8bf6419d8bc065f2215204ae23d6698dac430 (patch) | |
| tree | 0e7b36bf4a2df24411619c138e264bbf342e9f8e | |
| parent | f0b62bbde2bebb847414ceeb5d0038adf15dd73a (diff) | |
| download | ffmpeg-b3b8bf6419d8bc065f2215204ae23d6698dac430.tar.gz | |
yv12 -> yuy2 converter in alpha asm (from mplayerxp)
Originally committed as revision 9394 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
| -rw-r--r-- | postproc/rgb2rgb_template.c | 52 |
1 files changed, 50 insertions, 2 deletions
diff --git a/postproc/rgb2rgb_template.c b/postproc/rgb2rgb_template.c index ad827aee19..6ca1510761 100644 --- a/postproc/rgb2rgb_template.c +++ b/postproc/rgb2rgb_template.c @@ -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" |