+static inline void RENAME(nvXXtoUV)(uint8_t *dst1, uint8_t *dst2,
+ const uint8_t *src, long width)
+{
+#if COMPILE_TEMPLATE_MMX
+ __asm__ volatile(
+ "movq "MANGLE(bm01010101)", %%mm4 \n\t"
+ "mov %0, %%"REG_a" \n\t"
+ "1: \n\t"
+ "movq (%1, %%"REG_a",2), %%mm0 \n\t"
+ "movq 8(%1, %%"REG_a",2), %%mm1 \n\t"
+ "movq %%mm0, %%mm2 \n\t"
+ "movq %%mm1, %%mm3 \n\t"
+ "pand %%mm4, %%mm0 \n\t"
+ "pand %%mm4, %%mm1 \n\t"
+ "psrlw $8, %%mm2 \n\t"
+ "psrlw $8, %%mm3 \n\t"
+ "packuswb %%mm1, %%mm0 \n\t"
+ "packuswb %%mm3, %%mm2 \n\t"
+ "movq %%mm0, (%2, %%"REG_a") \n\t"
+ "movq %%mm2, (%3, %%"REG_a") \n\t"
+ "add $8, %%"REG_a" \n\t"
+ " js 1b \n\t"
+ : : "g" ((x86_reg)-width), "r" (src+width*2), "r" (dst1+width), "r" (dst2+width)
+ : "%"REG_a
+ );
+#else
+ int i;
+ for (i = 0; i < width; i++) {
+ dst1[i] = src[2*i+0];
+ dst2[i] = src[2*i+1];
+ }
+#endif
+}
+
+static inline void RENAME(nv12ToUV)(uint8_t *dstU, uint8_t *dstV,
+ const uint8_t *src1, const uint8_t *src2,
+ long width, uint32_t *unused)
+{
+ RENAME(nvXXtoUV)(dstU, dstV, src1, width);
+}
+
+static inline void RENAME(nv21ToUV)(uint8_t *dstU, uint8_t *dstV,
+ const uint8_t *src1, const uint8_t *src2,
+ long width, uint32_t *unused)
+{
+ RENAME(nvXXtoUV)(dstV, dstU, src1, width);
+}
+