static inline void RENAME(yuvPlanartouyvy)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst, long width, long height, long lumStride, long chromStride, long dstStride, long vertLumPerChroma) { long y; const long 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( "xor %%"REG_a", %%"REG_a" \n\t" ASMALIGN16 "1: \n\t" PREFETCH" 32(%1, %%"REG_a", 2) \n\t" PREFETCH" 32(%2, %%"REG_a") \n\t" PREFETCH" 32(%3, %%"REG_a") \n\t" "movq (%2, %%"REG_a"), %%mm0 \n\t" // U(0) "movq %%mm0, %%mm2 \n\t" // U(0) "movq (%3, %%"REG_a"), %%mm1 \n\t" // V(0) "punpcklbw %%mm1, %%mm0 \n\t" // UVUV UVUV(0) "punpckhbw %%mm1, %%mm2 \n\t" // UVUV UVUV(8) "movq (%1, %%"REG_a",2), %%mm3 \n\t" // Y(0) "movq 8(%1, %%"REG_a",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, %%"REG_a", 4)\n\t" MOVNTQ" %%mm4, 8(%0, %%"REG_a", 4)\n\t" MOVNTQ" %%mm2, 16(%0, %%"REG_a", 4)\n\t" MOVNTQ" %%mm6, 24(%0, %%"REG_a", 4)\n\t" "add $8, %%"REG_a" \n\t" "cmp %4, %%"REG_a" \n\t" " jb 1b \n\t" ::"r"(dst), "r"(ysrc), "r"(usrc), "r"(vsrc), "g" (chromWidth) : "%"REG_a ); #else //FIXME adapt the alpha asm code from yv12->yuy2 #if __WORDSIZE >= 64 int i; uint64_t *ldst = (uint64_t *) dst; const uint8_t *yc = ysrc, *uc = usrc, *vc = vsrc; for(i = 0; i < chromWidth; i += 2){ uint64_t k, l; k = uc[0] + (yc[0] << 8) + (vc[0] << 16) + (yc[1] << 24); l = uc[1] + (yc[2] << 8) + (vc[1] << 16) + (yc[3] << 24); *ldst++ = k + (l << 32); yc += 4; uc += 2; vc += 2; } #else int i, *idst = (int32_t *) dst; const uint8_t *yc = ysrc, *uc = usrc, *vc = vsrc; for(i = 0; i < chromWidth; i++){ #ifdef WORDS_BIGENDIAN *idst++ = (uc[0] << 24)+ (yc[0] << 16) + (vc[0] << 8) + (yc[1] << 0); #else *idst++ = uc[0] + (yc[0] << 8) + (vc[0] << 16) + (yc[1] << 24); #endif yc += 2; uc++; vc++; } #endif #endif if((y&(vertLumPerChroma-1))==(vertLumPerChroma-1) ) { usrc += chromStride; vsrc += chromStride; } ysrc += lumStride; dst += dstStride; } #ifdef HAVE_MMX asm( EMMS" \n\t" SFENCE" \n\t" :::"memory"); #endif }