From cc30aae17bf521fc5453c7ee173cceefde255faf Mon Sep 17 00:00:00 2001
From: lucabe <lucabe@b3059339-0415-0410-9bf9-f77b7e298cf2>
Date: Fri, 30 Jun 2006 12:00:31 +0000
Subject: Move postproc ---> libswscale

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@18866 b3059339-0415-0410-9bf9-f77b7e298cf2
---
 libswscale/rgb2rgb_template.c | 2675 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 2675 insertions(+)
 create mode 100644 libswscale/rgb2rgb_template.c

(limited to 'libswscale/rgb2rgb_template.c')

diff --git a/libswscale/rgb2rgb_template.c b/libswscale/rgb2rgb_template.c
new file mode 100644
index 0000000000..807da6166f
--- /dev/null
+++ b/libswscale/rgb2rgb_template.c
@@ -0,0 +1,2675 @@
+/*
+ *
+ *  rgb2rgb.c, Software RGB to RGB convertor
+ *  pluralize by Software PAL8 to RGB convertor
+ *               Software YUV to YUV convertor
+ *               Software YUV to RGB convertor
+ *  Written by Nick Kurshev.
+ *  palette & yuv & runtime cpu stuff by Michael (michaelni@gmx.at) (under GPL)
+ *  lot of big-endian byteorder fixes by Alex Beregszaszi
+ */
+
+#include <stddef.h>
+#include <inttypes.h> /* for __WORDSIZE */
+
+#include "asmalign.h"
+
+#ifndef __WORDSIZE
+// #warning You have misconfigured system and probably will lose performance!
+#define __WORDSIZE MP_WORDSIZE
+#endif
+
+#undef PREFETCH
+#undef MOVNTQ
+#undef EMMS
+#undef SFENCE
+#undef MMREG_SIZE
+#undef PREFETCHW
+#undef PAVGB
+
+#ifdef HAVE_SSE2
+#define MMREG_SIZE 16
+#else
+#define MMREG_SIZE 8
+#endif
+
+#ifdef HAVE_3DNOW
+#define PREFETCH  "prefetch"
+#define PREFETCHW "prefetchw"
+#define PAVGB	  "pavgusb"
+#elif defined ( HAVE_MMX2 )
+#define PREFETCH "prefetchnta"
+#define PREFETCHW "prefetcht0"
+#define PAVGB	  "pavgb"
+#else
+#ifdef __APPLE__
+#define PREFETCH "#"
+#define PREFETCHW "#"
+#else
+#define PREFETCH "/nop"
+#define PREFETCHW "/nop"
+#endif
+#endif
+
+#ifdef HAVE_3DNOW
+/* On K6 femms is faster of emms. On K7 femms is directly mapped on emms. */
+#define EMMS     "femms"
+#else
+#define EMMS     "emms"
+#endif
+
+#ifdef HAVE_MMX2
+#define MOVNTQ "movntq"
+#define SFENCE "sfence"
+#else
+#define MOVNTQ "movq"
+#ifdef __APPLE__
+#define SFENCE "#"
+#else
+#define SFENCE "/nop"
+#endif
+#endif
+
+static inline void RENAME(rgb24to32)(const uint8_t *src,uint8_t *dst,long src_size)
+{
+  uint8_t *dest = dst;
+  const uint8_t *s = src;
+  const uint8_t *end;
+#ifdef HAVE_MMX
+  const uint8_t *mm_end;
+#endif
+  end = s + src_size;
+#ifdef HAVE_MMX
+  __asm __volatile(PREFETCH"	%0"::"m"(*s):"memory");
+  mm_end = end - 23;
+  __asm __volatile("movq	%0, %%mm7"::"m"(mask32):"memory");
+  while(s < mm_end)
+  {
+    __asm __volatile(
+	PREFETCH"	32%1\n\t"
+	"movd	%1, %%mm0\n\t"
+	"punpckldq 3%1, %%mm0\n\t"
+	"movd	6%1, %%mm1\n\t"
+	"punpckldq 9%1, %%mm1\n\t"
+	"movd	12%1, %%mm2\n\t"
+	"punpckldq 15%1, %%mm2\n\t"
+	"movd	18%1, %%mm3\n\t"
+	"punpckldq 21%1, %%mm3\n\t"
+	"pand	%%mm7, %%mm0\n\t"
+	"pand	%%mm7, %%mm1\n\t"
+	"pand	%%mm7, %%mm2\n\t"
+	"pand	%%mm7, %%mm3\n\t"
+	MOVNTQ"	%%mm0, %0\n\t"
+	MOVNTQ"	%%mm1, 8%0\n\t"
+	MOVNTQ"	%%mm2, 16%0\n\t"
+	MOVNTQ"	%%mm3, 24%0"
+	:"=m"(*dest)
+	:"m"(*s)
+	:"memory");
+    dest += 32;
+    s += 24;
+  }
+  __asm __volatile(SFENCE:::"memory");
+  __asm __volatile(EMMS:::"memory");
+#endif
+  while(s < end)
+  {
+#ifdef WORDS_BIGENDIAN
+    /* RGB24 (= R,G,B) -> RGB32 (= A,B,G,R) */
+    *dest++ = 0;
+    *dest++ = s[2];
+    *dest++ = s[1];
+    *dest++ = s[0];
+    s+=3;
+#else
+    *dest++ = *s++;
+    *dest++ = *s++;
+    *dest++ = *s++;
+    *dest++ = 0;
+#endif
+  }
+}
+
+static inline void RENAME(rgb32to24)(const uint8_t *src,uint8_t *dst,long src_size)
+{
+  uint8_t *dest = dst;
+  const uint8_t *s = src;
+  const uint8_t *end;
+#ifdef HAVE_MMX
+  const uint8_t *mm_end;
+#endif
+  end = s + src_size;
+#ifdef HAVE_MMX
+  __asm __volatile(PREFETCH"	%0"::"m"(*s):"memory");
+  mm_end = end - 31;
+  while(s < mm_end)
+  {
+    __asm __volatile(
+	PREFETCH"	32%1\n\t"
+	"movq	%1, %%mm0\n\t"
+	"movq	8%1, %%mm1\n\t"
+	"movq	16%1, %%mm4\n\t"
+	"movq	24%1, %%mm5\n\t"
+	"movq	%%mm0, %%mm2\n\t"
+	"movq	%%mm1, %%mm3\n\t"
+	"movq	%%mm4, %%mm6\n\t"
+	"movq	%%mm5, %%mm7\n\t"
+	"psrlq	$8, %%mm2\n\t"
+	"psrlq	$8, %%mm3\n\t"
+	"psrlq	$8, %%mm6\n\t"
+	"psrlq	$8, %%mm7\n\t"
+	"pand	%2, %%mm0\n\t"
+	"pand	%2, %%mm1\n\t"
+	"pand	%2, %%mm4\n\t"
+	"pand	%2, %%mm5\n\t"
+	"pand	%3, %%mm2\n\t"
+	"pand	%3, %%mm3\n\t"
+	"pand	%3, %%mm6\n\t"
+	"pand	%3, %%mm7\n\t"
+	"por	%%mm2, %%mm0\n\t"
+	"por	%%mm3, %%mm1\n\t"
+	"por	%%mm6, %%mm4\n\t"
+	"por	%%mm7, %%mm5\n\t"
+
+	"movq	%%mm1, %%mm2\n\t"
+	"movq	%%mm4, %%mm3\n\t"
+	"psllq	$48, %%mm2\n\t"
+	"psllq	$32, %%mm3\n\t"
+	"pand	%4, %%mm2\n\t"
+	"pand	%5, %%mm3\n\t"
+	"por	%%mm2, %%mm0\n\t"
+	"psrlq	$16, %%mm1\n\t"
+	"psrlq	$32, %%mm4\n\t"
+	"psllq	$16, %%mm5\n\t"
+	"por	%%mm3, %%mm1\n\t"
+	"pand	%6, %%mm5\n\t"
+	"por	%%mm5, %%mm4\n\t"
+
+	MOVNTQ"	%%mm0, %0\n\t"
+	MOVNTQ"	%%mm1, 8%0\n\t"
+	MOVNTQ"	%%mm4, 16%0"
+	:"=m"(*dest)
+	:"m"(*s),"m"(mask24l),
+	 "m"(mask24h),"m"(mask24hh),"m"(mask24hhh),"m"(mask24hhhh)
+	:"memory");
+    dest += 24;
+    s += 32;
+  }
+  __asm __volatile(SFENCE:::"memory");
+  __asm __volatile(EMMS:::"memory");
+#endif
+  while(s < end)
+  {
+#ifdef WORDS_BIGENDIAN
+    /* RGB32 (= A,B,G,R) -> RGB24 (= R,G,B) */
+    s++;
+    dest[2] = *s++;
+    dest[1] = *s++;
+    dest[0] = *s++;
+    dest += 3;
+#else
+    *dest++ = *s++;
+    *dest++ = *s++;
+    *dest++ = *s++;
+    s++;
+#endif
+  }
+}
+
+/*
+ Original by Strepto/Astral
+ ported to gcc & bugfixed : A'rpi
+ MMX2, 3DNOW optimization by Nick Kurshev
+ 32bit c version, and and&add trick by Michael Niedermayer
+*/
+static inline void RENAME(rgb15to16)(const uint8_t *src,uint8_t *dst,long src_size)
+{
+  register const uint8_t* s=src;
+  register uint8_t* d=dst;
+  register const uint8_t *end;
+  const uint8_t *mm_end;
+  end = s + src_size;
+#ifdef HAVE_MMX
+  __asm __volatile(PREFETCH"	%0"::"m"(*s));
+  __asm __volatile("movq	%0, %%mm4"::"m"(mask15s));
+  mm_end = end - 15;
+  while(s<mm_end)
+  {
+	__asm __volatile(
+		PREFETCH"	32%1\n\t"
+		"movq	%1, %%mm0\n\t"
+		"movq	8%1, %%mm2\n\t"
+		"movq	%%mm0, %%mm1\n\t"
+		"movq	%%mm2, %%mm3\n\t"
+		"pand	%%mm4, %%mm0\n\t"
+		"pand	%%mm4, %%mm2\n\t"
+		"paddw	%%mm1, %%mm0\n\t"
+		"paddw	%%mm3, %%mm2\n\t"
+		MOVNTQ"	%%mm0, %0\n\t"
+		MOVNTQ"	%%mm2, 8%0"
+		:"=m"(*d)
+		:"m"(*s)
+		);
+	d+=16;
+	s+=16;
+  }
+  __asm __volatile(SFENCE:::"memory");
+  __asm __volatile(EMMS:::"memory");
+#endif
+    mm_end = end - 3;
+    while(s < mm_end)
+    {
+	register unsigned x= *((uint32_t *)s);
+	*((uint32_t *)d) = (x&0x7FFF7FFF) + (x&0x7FE07FE0);
+	d+=4;
+	s+=4;
+    }
+    if(s < end)
+    {
+	register unsigned short x= *((uint16_t *)s);
+	*((uint16_t *)d) = (x&0x7FFF) + (x&0x7FE0);
+    }
+}
+
+static inline void RENAME(rgb16to15)(const uint8_t *src,uint8_t *dst,long src_size)
+{
+  register const uint8_t* s=src;
+  register uint8_t* d=dst;
+  register const uint8_t *end;
+  const uint8_t *mm_end;
+  end = s + src_size;
+#ifdef HAVE_MMX
+  __asm __volatile(PREFETCH"	%0"::"m"(*s));
+  __asm __volatile("movq	%0, %%mm7"::"m"(mask15rg));
+  __asm __volatile("movq	%0, %%mm6"::"m"(mask15b));
+  mm_end = end - 15;
+  while(s<mm_end)
+  {
+	__asm __volatile(
+		PREFETCH"	32%1\n\t"
+		"movq	%1, %%mm0\n\t"
+		"movq	8%1, %%mm2\n\t"
+		"movq	%%mm0, %%mm1\n\t"
+		"movq	%%mm2, %%mm3\n\t"
+		"psrlq	$1, %%mm0\n\t"
+		"psrlq	$1, %%mm2\n\t"
+		"pand	%%mm7, %%mm0\n\t"
+		"pand	%%mm7, %%mm2\n\t"
+		"pand	%%mm6, %%mm1\n\t"
+		"pand	%%mm6, %%mm3\n\t"
+		"por	%%mm1, %%mm0\n\t"
+		"por	%%mm3, %%mm2\n\t"
+		MOVNTQ"	%%mm0, %0\n\t"
+		MOVNTQ"	%%mm2, 8%0"
+		:"=m"(*d)
+		:"m"(*s)
+		);
+	d+=16;
+	s+=16;
+  }
+  __asm __volatile(SFENCE:::"memory");
+  __asm __volatile(EMMS:::"memory");
+#endif
+    mm_end = end - 3;
+    while(s < mm_end)
+    {
+	register uint32_t x= *((uint32_t *)s);
+	*((uint32_t *)d) = ((x>>1)&0x7FE07FE0) | (x&0x001F001F);
+	s+=4;
+	d+=4;
+    }
+    if(s < end)
+    {
+	register uint16_t x= *((uint16_t *)s);
+	*((uint16_t *)d) = ((x>>1)&0x7FE0) | (x&0x001F);
+	s+=2;
+	d+=2;
+    }
+}
+
+static inline void RENAME(rgb32to16)(const uint8_t *src, uint8_t *dst, long src_size)
+{
+	const uint8_t *s = src;
+	const uint8_t *end;
+#ifdef HAVE_MMX
+	const uint8_t *mm_end;
+#endif
+	uint16_t *d = (uint16_t *)dst;
+	end = s + src_size;
+#ifdef HAVE_MMX
+	mm_end = end - 15;
+#if 1 //is faster only if multiplies are reasonable fast (FIXME figure out on which cpus this is faster, on Athlon its slightly faster)
+	asm volatile(
+		"movq %3, %%mm5			\n\t"
+		"movq %4, %%mm6			\n\t"
+		"movq %5, %%mm7			\n\t"
+		ASMALIGN16
+		"1:				\n\t"
+		PREFETCH" 32(%1)		\n\t"
+		"movd	(%1), %%mm0		\n\t"
+		"movd	4(%1), %%mm3		\n\t"
+		"punpckldq 8(%1), %%mm0		\n\t"
+		"punpckldq 12(%1), %%mm3	\n\t"
+		"movq %%mm0, %%mm1		\n\t"
+		"movq %%mm3, %%mm4		\n\t"
+		"pand %%mm6, %%mm0		\n\t"
+		"pand %%mm6, %%mm3		\n\t"
+		"pmaddwd %%mm7, %%mm0		\n\t"
+		"pmaddwd %%mm7, %%mm3		\n\t"
+		"pand %%mm5, %%mm1		\n\t"
+		"pand %%mm5, %%mm4		\n\t"
+		"por %%mm1, %%mm0		\n\t"	
+		"por %%mm4, %%mm3		\n\t"
+		"psrld $5, %%mm0		\n\t"
+		"pslld $11, %%mm3		\n\t"
+		"por %%mm3, %%mm0		\n\t"
+		MOVNTQ"	%%mm0, (%0)		\n\t"
+		"add $16, %1			\n\t"
+		"add $8, %0			\n\t"
+		"cmp %2, %1			\n\t"
+		" jb 1b				\n\t"
+		: "+r" (d), "+r"(s)
+		: "r" (mm_end), "m" (mask3216g), "m" (mask3216br), "m" (mul3216)
+	);
+#else
+	__asm __volatile(PREFETCH"	%0"::"m"(*src):"memory");
+	__asm __volatile(
+	    "movq	%0, %%mm7\n\t"
+	    "movq	%1, %%mm6\n\t"
+	    ::"m"(red_16mask),"m"(green_16mask));
+	while(s < mm_end)
+	{
+	    __asm __volatile(
+		PREFETCH" 32%1\n\t"
+		"movd	%1, %%mm0\n\t"
+		"movd	4%1, %%mm3\n\t"
+		"punpckldq 8%1, %%mm0\n\t"
+		"punpckldq 12%1, %%mm3\n\t"
+		"movq	%%mm0, %%mm1\n\t"
+		"movq	%%mm0, %%mm2\n\t"
+		"movq	%%mm3, %%mm4\n\t"
+		"movq	%%mm3, %%mm5\n\t"
+		"psrlq	$3, %%mm0\n\t"
+		"psrlq	$3, %%mm3\n\t"
+		"pand	%2, %%mm0\n\t"
+		"pand	%2, %%mm3\n\t"
+		"psrlq	$5, %%mm1\n\t"
+		"psrlq	$5, %%mm4\n\t"
+		"pand	%%mm6, %%mm1\n\t"
+		"pand	%%mm6, %%mm4\n\t"
+		"psrlq	$8, %%mm2\n\t"
+		"psrlq	$8, %%mm5\n\t"
+		"pand	%%mm7, %%mm2\n\t"
+		"pand	%%mm7, %%mm5\n\t"
+		"por	%%mm1, %%mm0\n\t"
+		"por	%%mm4, %%mm3\n\t"
+		"por	%%mm2, %%mm0\n\t"
+		"por	%%mm5, %%mm3\n\t"
+		"psllq	$16, %%mm3\n\t"
+		"por	%%mm3, %%mm0\n\t"
+		MOVNTQ"	%%mm0, %0\n\t"
+		:"=m"(*d):"m"(*s),"m"(blue_16mask):"memory");
+		d += 4;
+		s += 16;
+	}
+#endif
+	__asm __volatile(SFENCE:::"memory");
+	__asm __volatile(EMMS:::"memory");
+#endif
+	while(s < end)
+	{
+		register int rgb = *(uint32_t*)s; s += 4;
+		*d++ = ((rgb&0xFF)>>3) + ((rgb&0xFC00)>>5) + ((rgb&0xF80000)>>8);
+	}
+}
+
+static inline void RENAME(rgb32tobgr16)(const uint8_t *src, uint8_t *dst, long src_size)
+{
+	const uint8_t *s = src;
+	const uint8_t *end;
+#ifdef HAVE_MMX
+	const uint8_t *mm_end;
+#endif
+	uint16_t *d = (uint16_t *)dst;
+	end = s + src_size;
+#ifdef HAVE_MMX
+	__asm __volatile(PREFETCH"	%0"::"m"(*src):"memory");
+	__asm __volatile(
+	    "movq	%0, %%mm7\n\t"
+	    "movq	%1, %%mm6\n\t"
+	    ::"m"(red_16mask),"m"(green_16mask));
+	mm_end = end - 15;
+	while(s < mm_end)
+	{
+	    __asm __volatile(
+		PREFETCH" 32%1\n\t"
+		"movd	%1, %%mm0\n\t"
+		"movd	4%1, %%mm3\n\t"
+		"punpckldq 8%1, %%mm0\n\t"
+		"punpckldq 12%1, %%mm3\n\t"
+		"movq	%%mm0, %%mm1\n\t"
+		"movq	%%mm0, %%mm2\n\t"
+		"movq	%%mm3, %%mm4\n\t"
+		"movq	%%mm3, %%mm5\n\t"
+		"psllq	$8, %%mm0\n\t"
+		"psllq	$8, %%mm3\n\t"
+		"pand	%%mm7, %%mm0\n\t"
+		"pand	%%mm7, %%mm3\n\t"
+		"psrlq	$5, %%mm1\n\t"
+		"psrlq	$5, %%mm4\n\t"
+		"pand	%%mm6, %%mm1\n\t"
+		"pand	%%mm6, %%mm4\n\t"
+		"psrlq	$19, %%mm2\n\t"
+		"psrlq	$19, %%mm5\n\t"
+		"pand	%2, %%mm2\n\t"
+		"pand	%2, %%mm5\n\t"
+		"por	%%mm1, %%mm0\n\t"
+		"por	%%mm4, %%mm3\n\t"
+		"por	%%mm2, %%mm0\n\t"
+		"por	%%mm5, %%mm3\n\t"
+		"psllq	$16, %%mm3\n\t"
+		"por	%%mm3, %%mm0\n\t"
+		MOVNTQ"	%%mm0, %0\n\t"
+		:"=m"(*d):"m"(*s),"m"(blue_16mask):"memory");
+		d += 4;
+		s += 16;
+	}
+	__asm __volatile(SFENCE:::"memory");
+	__asm __volatile(EMMS:::"memory");
+#endif
+	while(s < end)
+	{
+		register int rgb = *(uint32_t*)s; s += 4;
+		*d++ = ((rgb&0xF8)<<8) + ((rgb&0xFC00)>>5) + ((rgb&0xF80000)>>19);
+	}
+}
+
+static inline void RENAME(rgb32to15)(const uint8_t *src, uint8_t *dst, long src_size)
+{
+	const uint8_t *s = src;
+	const uint8_t *end;
+#ifdef HAVE_MMX
+	const uint8_t *mm_end;
+#endif
+	uint16_t *d = (uint16_t *)dst;
+	end = s + src_size;
+#ifdef HAVE_MMX
+	mm_end = end - 15;
+#if 1 //is faster only if multiplies are reasonable fast (FIXME figure out on which cpus this is faster, on Athlon its slightly faster)
+	asm volatile(
+		"movq %3, %%mm5			\n\t"
+		"movq %4, %%mm6			\n\t"
+		"movq %5, %%mm7			\n\t"
+		ASMALIGN16
+		"1:				\n\t"
+		PREFETCH" 32(%1)		\n\t"
+		"movd	(%1), %%mm0		\n\t"
+		"movd	4(%1), %%mm3		\n\t"
+		"punpckldq 8(%1), %%mm0		\n\t"
+		"punpckldq 12(%1), %%mm3	\n\t"
+		"movq %%mm0, %%mm1		\n\t"
+		"movq %%mm3, %%mm4		\n\t"
+		"pand %%mm6, %%mm0		\n\t"
+		"pand %%mm6, %%mm3		\n\t"
+		"pmaddwd %%mm7, %%mm0		\n\t"
+		"pmaddwd %%mm7, %%mm3		\n\t"
+		"pand %%mm5, %%mm1		\n\t"
+		"pand %%mm5, %%mm4		\n\t"
+		"por %%mm1, %%mm0		\n\t"	
+		"por %%mm4, %%mm3		\n\t"
+		"psrld $6, %%mm0		\n\t"
+		"pslld $10, %%mm3		\n\t"
+		"por %%mm3, %%mm0		\n\t"
+		MOVNTQ"	%%mm0, (%0)		\n\t"
+		"add $16, %1			\n\t"
+		"add $8, %0			\n\t"
+		"cmp %2, %1			\n\t"
+		" jb 1b				\n\t"
+		: "+r" (d), "+r"(s)
+		: "r" (mm_end), "m" (mask3215g), "m" (mask3216br), "m" (mul3215)
+	);
+#else
+	__asm __volatile(PREFETCH"	%0"::"m"(*src):"memory");
+	__asm __volatile(
+	    "movq	%0, %%mm7\n\t"
+	    "movq	%1, %%mm6\n\t"
+	    ::"m"(red_15mask),"m"(green_15mask));
+	while(s < mm_end)
+	{
+	    __asm __volatile(
+		PREFETCH" 32%1\n\t"
+		"movd	%1, %%mm0\n\t"
+		"movd	4%1, %%mm3\n\t"
+		"punpckldq 8%1, %%mm0\n\t"
+		"punpckldq 12%1, %%mm3\n\t"
+		"movq	%%mm0, %%mm1\n\t"
+		"movq	%%mm0, %%mm2\n\t"
+		"movq	%%mm3, %%mm4\n\t"
+		"movq	%%mm3, %%mm5\n\t"
+		"psrlq	$3, %%mm0\n\t"
+		"psrlq	$3, %%mm3\n\t"
+		"pand	%2, %%mm0\n\t"
+		"pand	%2, %%mm3\n\t"
+		"psrlq	$6, %%mm1\n\t"
+		"psrlq	$6, %%mm4\n\t"
+		"pand	%%mm6, %%mm1\n\t"
+		"pand	%%mm6, %%mm4\n\t"
+		"psrlq	$9, %%mm2\n\t"
+		"psrlq	$9, %%mm5\n\t"
+		"pand	%%mm7, %%mm2\n\t"
+		"pand	%%mm7, %%mm5\n\t"
+		"por	%%mm1, %%mm0\n\t"
+		"por	%%mm4, %%mm3\n\t"
+		"por	%%mm2, %%mm0\n\t"
+		"por	%%mm5, %%mm3\n\t"
+		"psllq	$16, %%mm3\n\t"
+		"por	%%mm3, %%mm0\n\t"
+		MOVNTQ"	%%mm0, %0\n\t"
+		:"=m"(*d):"m"(*s),"m"(blue_15mask):"memory");
+		d += 4;
+		s += 16;
+	}
+#endif
+	__asm __volatile(SFENCE:::"memory");
+	__asm __volatile(EMMS:::"memory");
+#endif
+	while(s < end)
+	{
+		register int rgb = *(uint32_t*)s; s += 4;
+		*d++ = ((rgb&0xFF)>>3) + ((rgb&0xF800)>>6) + ((rgb&0xF80000)>>9);
+	}
+}
+
+static inline void RENAME(rgb32tobgr15)(const uint8_t *src, uint8_t *dst, long src_size)
+{
+	const uint8_t *s = src;
+	const uint8_t *end;
+#ifdef HAVE_MMX
+	const uint8_t *mm_end;
+#endif
+	uint16_t *d = (uint16_t *)dst;
+	end = s + src_size;
+#ifdef HAVE_MMX
+	__asm __volatile(PREFETCH"	%0"::"m"(*src):"memory");
+	__asm __volatile(
+	    "movq	%0, %%mm7\n\t"
+	    "movq	%1, %%mm6\n\t"
+	    ::"m"(red_15mask),"m"(green_15mask));
+	mm_end = end - 15;
+	while(s < mm_end)
+	{
+	    __asm __volatile(
+		PREFETCH" 32%1\n\t"
+		"movd	%1, %%mm0\n\t"
+		"movd	4%1, %%mm3\n\t"
+		"punpckldq 8%1, %%mm0\n\t"
+		"punpckldq 12%1, %%mm3\n\t"
+		"movq	%%mm0, %%mm1\n\t"
+		"movq	%%mm0, %%mm2\n\t"
+		"movq	%%mm3, %%mm4\n\t"
+		"movq	%%mm3, %%mm5\n\t"
+		"psllq	$7, %%mm0\n\t"
+		"psllq	$7, %%mm3\n\t"
+		"pand	%%mm7, %%mm0\n\t"
+		"pand	%%mm7, %%mm3\n\t"
+		"psrlq	$6, %%mm1\n\t"
+		"psrlq	$6, %%mm4\n\t"
+		"pand	%%mm6, %%mm1\n\t"
+		"pand	%%mm6, %%mm4\n\t"
+		"psrlq	$19, %%mm2\n\t"
+		"psrlq	$19, %%mm5\n\t"
+		"pand	%2, %%mm2\n\t"
+		"pand	%2, %%mm5\n\t"
+		"por	%%mm1, %%mm0\n\t"
+		"por	%%mm4, %%mm3\n\t"
+		"por	%%mm2, %%mm0\n\t"
+		"por	%%mm5, %%mm3\n\t"
+		"psllq	$16, %%mm3\n\t"
+		"por	%%mm3, %%mm0\n\t"
+		MOVNTQ"	%%mm0, %0\n\t"
+		:"=m"(*d):"m"(*s),"m"(blue_15mask):"memory");
+		d += 4;
+		s += 16;
+	}
+	__asm __volatile(SFENCE:::"memory");
+	__asm __volatile(EMMS:::"memory");
+#endif
+	while(s < end)
+	{
+		register int rgb = *(uint32_t*)s; s += 4;
+		*d++ = ((rgb&0xF8)<<7) + ((rgb&0xF800)>>6) + ((rgb&0xF80000)>>19);
+	}
+}
+
+static inline void RENAME(rgb24to16)(const uint8_t *src, uint8_t *dst, long src_size)
+{
+	const uint8_t *s = src;
+	const uint8_t *end;
+#ifdef HAVE_MMX
+	const uint8_t *mm_end;
+#endif
+	uint16_t *d = (uint16_t *)dst;
+	end = s + src_size;
+#ifdef HAVE_MMX
+	__asm __volatile(PREFETCH"	%0"::"m"(*src):"memory");
+	__asm __volatile(
+	    "movq	%0, %%mm7\n\t"
+	    "movq	%1, %%mm6\n\t"
+	    ::"m"(red_16mask),"m"(green_16mask));
+	mm_end = end - 11;
+	while(s < mm_end)
+	{
+	    __asm __volatile(
+		PREFETCH" 32%1\n\t"
+		"movd	%1, %%mm0\n\t"
+		"movd	3%1, %%mm3\n\t"
+		"punpckldq 6%1, %%mm0\n\t"
+		"punpckldq 9%1, %%mm3\n\t"
+		"movq	%%mm0, %%mm1\n\t"
+		"movq	%%mm0, %%mm2\n\t"
+		"movq	%%mm3, %%mm4\n\t"
+		"movq	%%mm3, %%mm5\n\t"
+		"psrlq	$3, %%mm0\n\t"
+		"psrlq	$3, %%mm3\n\t"
+		"pand	%2, %%mm0\n\t"
+		"pand	%2, %%mm3\n\t"
+		"psrlq	$5, %%mm1\n\t"
+		"psrlq	$5, %%mm4\n\t"
+		"pand	%%mm6, %%mm1\n\t"
+		"pand	%%mm6, %%mm4\n\t"
+		"psrlq	$8, %%mm2\n\t"
+		"psrlq	$8, %%mm5\n\t"
+		"pand	%%mm7, %%mm2\n\t"
+		"pand	%%mm7, %%mm5\n\t"
+		"por	%%mm1, %%mm0\n\t"
+		"por	%%mm4, %%mm3\n\t"
+		"por	%%mm2, %%mm0\n\t"
+		"por	%%mm5, %%mm3\n\t"
+		"psllq	$16, %%mm3\n\t"
+		"por	%%mm3, %%mm0\n\t"
+		MOVNTQ"	%%mm0, %0\n\t"
+		:"=m"(*d):"m"(*s),"m"(blue_16mask):"memory");
+		d += 4;
+		s += 12;
+	}
+	__asm __volatile(SFENCE:::"memory");
+	__asm __volatile(EMMS:::"memory");
+#endif
+	while(s < end)
+	{
+		const int b= *s++;
+		const int g= *s++;
+		const int r= *s++;
+		*d++ = (b>>3) | ((g&0xFC)<<3) | ((r&0xF8)<<8);
+	}
+}
+
+static inline void RENAME(rgb24tobgr16)(const uint8_t *src, uint8_t *dst, long src_size)
+{
+	const uint8_t *s = src;
+	const uint8_t *end;
+#ifdef HAVE_MMX
+	const uint8_t *mm_end;
+#endif
+	uint16_t *d = (uint16_t *)dst;
+	end = s + src_size;
+#ifdef HAVE_MMX
+	__asm __volatile(PREFETCH"	%0"::"m"(*src):"memory");
+	__asm __volatile(
+	    "movq	%0, %%mm7\n\t"
+	    "movq	%1, %%mm6\n\t"
+	    ::"m"(red_16mask),"m"(green_16mask));
+	mm_end = end - 15;
+	while(s < mm_end)
+	{
+	    __asm __volatile(
+		PREFETCH" 32%1\n\t"
+		"movd	%1, %%mm0\n\t"
+		"movd	3%1, %%mm3\n\t"
+		"punpckldq 6%1, %%mm0\n\t"
+		"punpckldq 9%1, %%mm3\n\t"
+		"movq	%%mm0, %%mm1\n\t"
+		"movq	%%mm0, %%mm2\n\t"
+		"movq	%%mm3, %%mm4\n\t"
+		"movq	%%mm3, %%mm5\n\t"
+		"psllq	$8, %%mm0\n\t"
+		"psllq	$8, %%mm3\n\t"
+		"pand	%%mm7, %%mm0\n\t"
+		"pand	%%mm7, %%mm3\n\t"
+		"psrlq	$5, %%mm1\n\t"
+		"psrlq	$5, %%mm4\n\t"
+		"pand	%%mm6, %%mm1\n\t"
+		"pand	%%mm6, %%mm4\n\t"
+		"psrlq	$19, %%mm2\n\t"
+		"psrlq	$19, %%mm5\n\t"
+		"pand	%2, %%mm2\n\t"
+		"pand	%2, %%mm5\n\t"
+		"por	%%mm1, %%mm0\n\t"
+		"por	%%mm4, %%mm3\n\t"
+		"por	%%mm2, %%mm0\n\t"
+		"por	%%mm5, %%mm3\n\t"
+		"psllq	$16, %%mm3\n\t"
+		"por	%%mm3, %%mm0\n\t"
+		MOVNTQ"	%%mm0, %0\n\t"
+		:"=m"(*d):"m"(*s),"m"(blue_16mask):"memory");
+		d += 4;
+		s += 12;
+	}
+	__asm __volatile(SFENCE:::"memory");
+	__asm __volatile(EMMS:::"memory");
+#endif
+	while(s < end)
+	{
+		const int r= *s++;
+		const int g= *s++;
+		const int b= *s++;
+		*d++ = (b>>3) | ((g&0xFC)<<3) | ((r&0xF8)<<8);
+	}
+}
+
+static inline void RENAME(rgb24to15)(const uint8_t *src, uint8_t *dst, long src_size)
+{
+	const uint8_t *s = src;
+	const uint8_t *end;
+#ifdef HAVE_MMX
+	const uint8_t *mm_end;
+#endif
+	uint16_t *d = (uint16_t *)dst;
+	end = s + src_size;
+#ifdef HAVE_MMX
+	__asm __volatile(PREFETCH"	%0"::"m"(*src):"memory");
+	__asm __volatile(
+	    "movq	%0, %%mm7\n\t"
+	    "movq	%1, %%mm6\n\t"
+	    ::"m"(red_15mask),"m"(green_15mask));
+	mm_end = end - 11;
+	while(s < mm_end)
+	{
+	    __asm __volatile(
+		PREFETCH" 32%1\n\t"
+		"movd	%1, %%mm0\n\t"
+		"movd	3%1, %%mm3\n\t"
+		"punpckldq 6%1, %%mm0\n\t"
+		"punpckldq 9%1, %%mm3\n\t"
+		"movq	%%mm0, %%mm1\n\t"
+		"movq	%%mm0, %%mm2\n\t"
+		"movq	%%mm3, %%mm4\n\t"
+		"movq	%%mm3, %%mm5\n\t"
+		"psrlq	$3, %%mm0\n\t"
+		"psrlq	$3, %%mm3\n\t"
+		"pand	%2, %%mm0\n\t"
+		"pand	%2, %%mm3\n\t"
+		"psrlq	$6, %%mm1\n\t"
+		"psrlq	$6, %%mm4\n\t"
+		"pand	%%mm6, %%mm1\n\t"
+		"pand	%%mm6, %%mm4\n\t"
+		"psrlq	$9, %%mm2\n\t"
+		"psrlq	$9, %%mm5\n\t"
+		"pand	%%mm7, %%mm2\n\t"
+		"pand	%%mm7, %%mm5\n\t"
+		"por	%%mm1, %%mm0\n\t"
+		"por	%%mm4, %%mm3\n\t"
+		"por	%%mm2, %%mm0\n\t"
+		"por	%%mm5, %%mm3\n\t"
+		"psllq	$16, %%mm3\n\t"
+		"por	%%mm3, %%mm0\n\t"
+		MOVNTQ"	%%mm0, %0\n\t"
+		:"=m"(*d):"m"(*s),"m"(blue_15mask):"memory");
+		d += 4;
+		s += 12;
+	}
+	__asm __volatile(SFENCE:::"memory");
+	__asm __volatile(EMMS:::"memory");
+#endif
+	while(s < end)
+	{
+		const int b= *s++;
+		const int g= *s++;
+		const int r= *s++;
+		*d++ = (b>>3) | ((g&0xF8)<<2) | ((r&0xF8)<<7);
+	}
+}
+
+static inline void RENAME(rgb24tobgr15)(const uint8_t *src, uint8_t *dst, long src_size)
+{
+	const uint8_t *s = src;
+	const uint8_t *end;
+#ifdef HAVE_MMX
+	const uint8_t *mm_end;
+#endif
+	uint16_t *d = (uint16_t *)dst;
+	end = s + src_size;
+#ifdef HAVE_MMX
+	__asm __volatile(PREFETCH"	%0"::"m"(*src):"memory");
+	__asm __volatile(
+	    "movq	%0, %%mm7\n\t"
+	    "movq	%1, %%mm6\n\t"
+	    ::"m"(red_15mask),"m"(green_15mask));
+	mm_end = end - 15;
+	while(s < mm_end)
+	{
+	    __asm __volatile(
+		PREFETCH" 32%1\n\t"
+		"movd	%1, %%mm0\n\t"
+		"movd	3%1, %%mm3\n\t"
+		"punpckldq 6%1, %%mm0\n\t"
+		"punpckldq 9%1, %%mm3\n\t"
+		"movq	%%mm0, %%mm1\n\t"
+		"movq	%%mm0, %%mm2\n\t"
+		"movq	%%mm3, %%mm4\n\t"
+		"movq	%%mm3, %%mm5\n\t"
+		"psllq	$7, %%mm0\n\t"
+		"psllq	$7, %%mm3\n\t"
+		"pand	%%mm7, %%mm0\n\t"
+		"pand	%%mm7, %%mm3\n\t"
+		"psrlq	$6, %%mm1\n\t"
+		"psrlq	$6, %%mm4\n\t"
+		"pand	%%mm6, %%mm1\n\t"
+		"pand	%%mm6, %%mm4\n\t"
+		"psrlq	$19, %%mm2\n\t"
+		"psrlq	$19, %%mm5\n\t"
+		"pand	%2, %%mm2\n\t"
+		"pand	%2, %%mm5\n\t"
+		"por	%%mm1, %%mm0\n\t"
+		"por	%%mm4, %%mm3\n\t"
+		"por	%%mm2, %%mm0\n\t"
+		"por	%%mm5, %%mm3\n\t"
+		"psllq	$16, %%mm3\n\t"
+		"por	%%mm3, %%mm0\n\t"
+		MOVNTQ"	%%mm0, %0\n\t"
+		:"=m"(*d):"m"(*s),"m"(blue_15mask):"memory");
+		d += 4;
+		s += 12;
+	}
+	__asm __volatile(SFENCE:::"memory");
+	__asm __volatile(EMMS:::"memory");
+#endif
+	while(s < end)
+	{
+		const int r= *s++;
+		const int g= *s++;
+		const int b= *s++;
+		*d++ = (b>>3) | ((g&0xF8)<<2) | ((r&0xF8)<<7);
+	}
+}
+
+/*
+  I use here less accurate approximation by simply
+ left-shifting the input
+  value and filling the low order bits with
+ zeroes. This method improves png's
+  compression but this scheme cannot reproduce white exactly, since it does not
+  generate an all-ones maximum value; the net effect is to darken the
+  image slightly.
+
+  The better method should be "left bit replication":
+
+   4 3 2 1 0
+   ---------
+   1 1 0 1 1
+
+   7 6 5 4 3  2 1 0
+   ----------------
+   1 1 0 1 1  1 1 0
+   |=======|  |===|
+       |      Leftmost Bits Repeated to Fill Open Bits
+       |
+   Original Bits
+*/
+static inline void RENAME(rgb15to24)(const uint8_t *src, uint8_t *dst, long src_size)
+{
+	const uint16_t *end;
+#ifdef HAVE_MMX
+	const uint16_t *mm_end;
+#endif
+	uint8_t *d = (uint8_t *)dst;
+	const uint16_t *s = (uint16_t *)src;
+	end = s + src_size/2;
+#ifdef HAVE_MMX
+	__asm __volatile(PREFETCH"	%0"::"m"(*s):"memory");
+	mm_end = end - 7;
+	while(s < mm_end)
+	{
+	    __asm __volatile(
+		PREFETCH" 32%1\n\t"
+		"movq	%1, %%mm0\n\t"
+		"movq	%1, %%mm1\n\t"
+		"movq	%1, %%mm2\n\t"
+		"pand	%2, %%mm0\n\t"
+		"pand	%3, %%mm1\n\t"
+		"pand	%4, %%mm2\n\t"
+		"psllq	$3, %%mm0\n\t"
+		"psrlq	$2, %%mm1\n\t"
+		"psrlq	$7, %%mm2\n\t"
+		"movq	%%mm0, %%mm3\n\t"
+		"movq	%%mm1, %%mm4\n\t"
+		"movq	%%mm2, %%mm5\n\t"
+		"punpcklwd %5, %%mm0\n\t"
+		"punpcklwd %5, %%mm1\n\t"
+		"punpcklwd %5, %%mm2\n\t"
+		"punpckhwd %5, %%mm3\n\t"
+		"punpckhwd %5, %%mm4\n\t"
+		"punpckhwd %5, %%mm5\n\t"
+		"psllq	$8, %%mm1\n\t"
+		"psllq	$16, %%mm2\n\t"
+		"por	%%mm1, %%mm0\n\t"
+		"por	%%mm2, %%mm0\n\t"
+		"psllq	$8, %%mm4\n\t"
+		"psllq	$16, %%mm5\n\t"
+		"por	%%mm4, %%mm3\n\t"
+		"por	%%mm5, %%mm3\n\t"
+
+		"movq	%%mm0, %%mm6\n\t"
+		"movq	%%mm3, %%mm7\n\t"
+		
+		"movq	8%1, %%mm0\n\t"
+		"movq	8%1, %%mm1\n\t"
+		"movq	8%1, %%mm2\n\t"
+		"pand	%2, %%mm0\n\t"
+		"pand	%3, %%mm1\n\t"
+		"pand	%4, %%mm2\n\t"
+		"psllq	$3, %%mm0\n\t"
+		"psrlq	$2, %%mm1\n\t"
+		"psrlq	$7, %%mm2\n\t"
+		"movq	%%mm0, %%mm3\n\t"
+		"movq	%%mm1, %%mm4\n\t"
+		"movq	%%mm2, %%mm5\n\t"
+		"punpcklwd %5, %%mm0\n\t"
+		"punpcklwd %5, %%mm1\n\t"
+		"punpcklwd %5, %%mm2\n\t"
+		"punpckhwd %5, %%mm3\n\t"
+		"punpckhwd %5, %%mm4\n\t"
+		"punpckhwd %5, %%mm5\n\t"
+		"psllq	$8, %%mm1\n\t"
+		"psllq	$16, %%mm2\n\t"
+		"por	%%mm1, %%mm0\n\t"
+		"por	%%mm2, %%mm0\n\t"
+		"psllq	$8, %%mm4\n\t"
+		"psllq	$16, %%mm5\n\t"
+		"por	%%mm4, %%mm3\n\t"
+		"por	%%mm5, %%mm3\n\t"
+
+		:"=m"(*d)
+		:"m"(*s),"m"(mask15b),"m"(mask15g),"m"(mask15r), "m"(mmx_null)
+		:"memory");
+	    /* Borrowed 32 to 24 */
+	    __asm __volatile(
+		"movq	%%mm0, %%mm4\n\t"
+		"movq	%%mm3, %%mm5\n\t"
+		"movq	%%mm6, %%mm0\n\t"
+		"movq	%%mm7, %%mm1\n\t"
+		
+		"movq	%%mm4, %%mm6\n\t"
+		"movq	%%mm5, %%mm7\n\t"
+		"movq	%%mm0, %%mm2\n\t"
+		"movq	%%mm1, %%mm3\n\t"
+
+		"psrlq	$8, %%mm2\n\t"
+		"psrlq	$8, %%mm3\n\t"
+		"psrlq	$8, %%mm6\n\t"
+		"psrlq	$8, %%mm7\n\t"
+		"pand	%2, %%mm0\n\t"
+		"pand	%2, %%mm1\n\t"
+		"pand	%2, %%mm4\n\t"
+		"pand	%2, %%mm5\n\t"
+		"pand	%3, %%mm2\n\t"
+		"pand	%3, %%mm3\n\t"
+		"pand	%3, %%mm6\n\t"
+		"pand	%3, %%mm7\n\t"
+		"por	%%mm2, %%mm0\n\t"
+		"por	%%mm3, %%mm1\n\t"
+		"por	%%mm6, %%mm4\n\t"
+		"por	%%mm7, %%mm5\n\t"
+
+		"movq	%%mm1, %%mm2\n\t"
+		"movq	%%mm4, %%mm3\n\t"
+		"psllq	$48, %%mm2\n\t"
+		"psllq	$32, %%mm3\n\t"
+		"pand	%4, %%mm2\n\t"
+		"pand	%5, %%mm3\n\t"
+		"por	%%mm2, %%mm0\n\t"
+		"psrlq	$16, %%mm1\n\t"
+		"psrlq	$32, %%mm4\n\t"
+		"psllq	$16, %%mm5\n\t"
+		"por	%%mm3, %%mm1\n\t"
+		"pand	%6, %%mm5\n\t"
+		"por	%%mm5, %%mm4\n\t"
+
+		MOVNTQ"	%%mm0, %0\n\t"
+		MOVNTQ"	%%mm1, 8%0\n\t"
+		MOVNTQ"	%%mm4, 16%0"
+
+		:"=m"(*d)
+		:"m"(*s),"m"(mask24l),"m"(mask24h),"m"(mask24hh),"m"(mask24hhh),"m"(mask24hhhh)
+		:"memory");
+		d += 24;
+		s += 8;
+	}
+	__asm __volatile(SFENCE:::"memory");
+	__asm __volatile(EMMS:::"memory");
+#endif
+	while(s < end)
+	{
+		register uint16_t bgr;
+		bgr = *s++;
+		*d++ = (bgr&0x1F)<<3;
+		*d++ = (bgr&0x3E0)>>2;
+		*d++ = (bgr&0x7C00)>>7;
+	}
+}
+
+static inline void RENAME(rgb16to24)(const uint8_t *src, uint8_t *dst, long src_size)
+{
+	const uint16_t *end;
+#ifdef HAVE_MMX
+	const uint16_t *mm_end;
+#endif
+	uint8_t *d = (uint8_t *)dst;
+	const uint16_t *s = (const uint16_t *)src;
+	end = s + src_size/2;
+#ifdef HAVE_MMX
+	__asm __volatile(PREFETCH"	%0"::"m"(*s):"memory");
+	mm_end = end - 7;
+	while(s < mm_end)
+	{
+	    __asm __volatile(
+		PREFETCH" 32%1\n\t"
+		"movq	%1, %%mm0\n\t"
+		"movq	%1, %%mm1\n\t"
+		"movq	%1, %%mm2\n\t"
+		"pand	%2, %%mm0\n\t"
+		"pand	%3, %%mm1\n\t"
+		"pand	%4, %%mm2\n\t"
+		"psllq	$3, %%mm0\n\t"
+		"psrlq	$3, %%mm1\n\t"
+		"psrlq	$8, %%mm2\n\t"
+		"movq	%%mm0, %%mm3\n\t"
+		"movq	%%mm1, %%mm4\n\t"
+		"movq	%%mm2, %%mm5\n\t"
+		"punpcklwd %5, %%mm0\n\t"
+		"punpcklwd %5, %%mm1\n\t"
+		"punpcklwd %5, %%mm2\n\t"
+		"punpckhwd %5, %%mm3\n\t"
+		"punpckhwd %5, %%mm4\n\t"
+		"punpckhwd %5, %%mm5\n\t"
+		"psllq	$8, %%mm1\n\t"
+		"psllq	$16, %%mm2\n\t"
+		"por	%%mm1, %%mm0\n\t"
+		"por	%%mm2, %%mm0\n\t"
+		"psllq	$8, %%mm4\n\t"
+		"psllq	$16, %%mm5\n\t"
+		"por	%%mm4, %%mm3\n\t"
+		"por	%%mm5, %%mm3\n\t"
+		
+		"movq	%%mm0, %%mm6\n\t"
+		"movq	%%mm3, %%mm7\n\t"
+
+		"movq	8%1, %%mm0\n\t"
+		"movq	8%1, %%mm1\n\t"
+		"movq	8%1, %%mm2\n\t"
+		"pand	%2, %%mm0\n\t"
+		"pand	%3, %%mm1\n\t"
+		"pand	%4, %%mm2\n\t"
+		"psllq	$3, %%mm0\n\t"
+		"psrlq	$3, %%mm1\n\t"
+		"psrlq	$8, %%mm2\n\t"
+		"movq	%%mm0, %%mm3\n\t"
+		"movq	%%mm1, %%mm4\n\t"
+		"movq	%%mm2, %%mm5\n\t"
+		"punpcklwd %5, %%mm0\n\t"
+		"punpcklwd %5, %%mm1\n\t"
+		"punpcklwd %5, %%mm2\n\t"
+		"punpckhwd %5, %%mm3\n\t"
+		"punpckhwd %5, %%mm4\n\t"
+		"punpckhwd %5, %%mm5\n\t"
+		"psllq	$8, %%mm1\n\t"
+		"psllq	$16, %%mm2\n\t"
+		"por	%%mm1, %%mm0\n\t"
+		"por	%%mm2, %%mm0\n\t"
+		"psllq	$8, %%mm4\n\t"
+		"psllq	$16, %%mm5\n\t"
+		"por	%%mm4, %%mm3\n\t"
+		"por	%%mm5, %%mm3\n\t"
+		:"=m"(*d)
+		:"m"(*s),"m"(mask16b),"m"(mask16g),"m"(mask16r),"m"(mmx_null)		
+		:"memory");
+	    /* Borrowed 32 to 24 */
+	    __asm __volatile(
+		"movq	%%mm0, %%mm4\n\t"
+		"movq	%%mm3, %%mm5\n\t"
+		"movq	%%mm6, %%mm0\n\t"
+		"movq	%%mm7, %%mm1\n\t"
+		
+		"movq	%%mm4, %%mm6\n\t"
+		"movq	%%mm5, %%mm7\n\t"
+		"movq	%%mm0, %%mm2\n\t"
+		"movq	%%mm1, %%mm3\n\t"
+
+		"psrlq	$8, %%mm2\n\t"
+		"psrlq	$8, %%mm3\n\t"
+		"psrlq	$8, %%mm6\n\t"
+		"psrlq	$8, %%mm7\n\t"
+		"pand	%2, %%mm0\n\t"
+		"pand	%2, %%mm1\n\t"
+		"pand	%2, %%mm4\n\t"
+		"pand	%2, %%mm5\n\t"
+		"pand	%3, %%mm2\n\t"
+		"pand	%3, %%mm3\n\t"
+		"pand	%3, %%mm6\n\t"
+		"pand	%3, %%mm7\n\t"
+		"por	%%mm2, %%mm0\n\t"
+		"por	%%mm3, %%mm1\n\t"
+		"por	%%mm6, %%mm4\n\t"
+		"por	%%mm7, %%mm5\n\t"
+
+		"movq	%%mm1, %%mm2\n\t"
+		"movq	%%mm4, %%mm3\n\t"
+		"psllq	$48, %%mm2\n\t"
+		"psllq	$32, %%mm3\n\t"
+		"pand	%4, %%mm2\n\t"
+		"pand	%5, %%mm3\n\t"
+		"por	%%mm2, %%mm0\n\t"
+		"psrlq	$16, %%mm1\n\t"
+		"psrlq	$32, %%mm4\n\t"
+		"psllq	$16, %%mm5\n\t"
+		"por	%%mm3, %%mm1\n\t"
+		"pand	%6, %%mm5\n\t"
+		"por	%%mm5, %%mm4\n\t"
+
+		MOVNTQ"	%%mm0, %0\n\t"
+		MOVNTQ"	%%mm1, 8%0\n\t"
+		MOVNTQ"	%%mm4, 16%0"
+
+		:"=m"(*d)
+		:"m"(*s),"m"(mask24l),"m"(mask24h),"m"(mask24hh),"m"(mask24hhh),"m"(mask24hhhh)
+		:"memory");
+		d += 24;
+		s += 8;
+	}
+	__asm __volatile(SFENCE:::"memory");
+	__asm __volatile(EMMS:::"memory");
+#endif
+	while(s < end)
+	{
+		register uint16_t bgr;
+		bgr = *s++;
+		*d++ = (bgr&0x1F)<<3;
+		*d++ = (bgr&0x7E0)>>3;
+		*d++ = (bgr&0xF800)>>8;
+	}
+}
+
+static inline void RENAME(rgb15to32)(const uint8_t *src, uint8_t *dst, long src_size)
+{
+	const uint16_t *end;
+#ifdef HAVE_MMX
+	const uint16_t *mm_end;
+#endif
+	uint8_t *d = (uint8_t *)dst;
+	const uint16_t *s = (const uint16_t *)src;
+	end = s + src_size/2;
+#ifdef HAVE_MMX
+	__asm __volatile(PREFETCH"	%0"::"m"(*s):"memory");
+	__asm __volatile("pxor	%%mm7,%%mm7\n\t":::"memory");
+	mm_end = end - 3;
+	while(s < mm_end)
+	{
+	    __asm __volatile(
+		PREFETCH" 32%1\n\t"
+		"movq	%1, %%mm0\n\t"
+		"movq	%1, %%mm1\n\t"
+		"movq	%1, %%mm2\n\t"
+		"pand	%2, %%mm0\n\t"
+		"pand	%3, %%mm1\n\t"
+		"pand	%4, %%mm2\n\t"
+		"psllq	$3, %%mm0\n\t"
+		"psrlq	$2, %%mm1\n\t"
+		"psrlq	$7, %%mm2\n\t"
+		"movq	%%mm0, %%mm3\n\t"
+		"movq	%%mm1, %%mm4\n\t"
+		"movq	%%mm2, %%mm5\n\t"
+		"punpcklwd %%mm7, %%mm0\n\t"
+		"punpcklwd %%mm7, %%mm1\n\t"
+		"punpcklwd %%mm7, %%mm2\n\t"
+		"punpckhwd %%mm7, %%mm3\n\t"
+		"punpckhwd %%mm7, %%mm4\n\t"
+		"punpckhwd %%mm7, %%mm5\n\t"
+		"psllq	$8, %%mm1\n\t"
+		"psllq	$16, %%mm2\n\t"
+		"por	%%mm1, %%mm0\n\t"
+		"por	%%mm2, %%mm0\n\t"
+		"psllq	$8, %%mm4\n\t"
+		"psllq	$16, %%mm5\n\t"
+		"por	%%mm4, %%mm3\n\t"
+		"por	%%mm5, %%mm3\n\t"
+		MOVNTQ"	%%mm0, %0\n\t"
+		MOVNTQ"	%%mm3, 8%0\n\t"
+		:"=m"(*d)
+		:"m"(*s),"m"(mask15b),"m"(mask15g),"m"(mask15r)
+		:"memory");
+		d += 16;
+		s += 4;
+	}
+	__asm __volatile(SFENCE:::"memory");
+	__asm __volatile(EMMS:::"memory");
+#endif
+	while(s < end)
+	{
+#if 0 //slightly slower on athlon
+		int bgr= *s++;
+		*((uint32_t*)d)++ = ((bgr&0x1F)<<3) + ((bgr&0x3E0)<<6) + ((bgr&0x7C00)<<9);
+#else
+		register uint16_t bgr;
+		bgr = *s++;
+#ifdef WORDS_BIGENDIAN
+		*d++ = 0;
+		*d++ = (bgr&0x7C00)>>7;
+		*d++ = (bgr&0x3E0)>>2;
+		*d++ = (bgr&0x1F)<<3;
+#else
+		*d++ = (bgr&0x1F)<<3;
+		*d++ = (bgr&0x3E0)>>2;
+		*d++ = (bgr&0x7C00)>>7;
+		*d++ = 0;
+#endif
+
+#endif
+	}
+}
+
+static inline void RENAME(rgb16to32)(const uint8_t *src, uint8_t *dst, long src_size)
+{
+	const uint16_t *end;
+#ifdef HAVE_MMX
+	const uint16_t *mm_end;
+#endif
+	uint8_t *d = (uint8_t *)dst;
+	const uint16_t *s = (uint16_t *)src;
+	end = s + src_size/2;
+#ifdef HAVE_MMX
+	__asm __volatile(PREFETCH"	%0"::"m"(*s):"memory");
+	__asm __volatile("pxor	%%mm7,%%mm7\n\t":::"memory");
+	mm_end = end - 3;
+	while(s < mm_end)
+	{
+	    __asm __volatile(
+		PREFETCH" 32%1\n\t"
+		"movq	%1, %%mm0\n\t"
+		"movq	%1, %%mm1\n\t"
+		"movq	%1, %%mm2\n\t"
+		"pand	%2, %%mm0\n\t"
+		"pand	%3, %%mm1\n\t"
+		"pand	%4, %%mm2\n\t"
+		"psllq	$3, %%mm0\n\t"
+		"psrlq	$3, %%mm1\n\t"
+		"psrlq	$8, %%mm2\n\t"
+		"movq	%%mm0, %%mm3\n\t"
+		"movq	%%mm1, %%mm4\n\t"
+		"movq	%%mm2, %%mm5\n\t"
+		"punpcklwd %%mm7, %%mm0\n\t"
+		"punpcklwd %%mm7, %%mm1\n\t"
+		"punpcklwd %%mm7, %%mm2\n\t"
+		"punpckhwd %%mm7, %%mm3\n\t"
+		"punpckhwd %%mm7, %%mm4\n\t"
+		"punpckhwd %%mm7, %%mm5\n\t"
+		"psllq	$8, %%mm1\n\t"
+		"psllq	$16, %%mm2\n\t"
+		"por	%%mm1, %%mm0\n\t"
+		"por	%%mm2, %%mm0\n\t"
+		"psllq	$8, %%mm4\n\t"
+		"psllq	$16, %%mm5\n\t"
+		"por	%%mm4, %%mm3\n\t"
+		"por	%%mm5, %%mm3\n\t"
+		MOVNTQ"	%%mm0, %0\n\t"
+		MOVNTQ"	%%mm3, 8%0\n\t"
+		:"=m"(*d)
+		:"m"(*s),"m"(mask16b),"m"(mask16g),"m"(mask16r)
+		:"memory");
+		d += 16;
+		s += 4;
+	}
+	__asm __volatile(SFENCE:::"memory");
+	__asm __volatile(EMMS:::"memory");
+#endif
+	while(s < end)
+	{
+		register uint16_t bgr;
+		bgr = *s++;
+#ifdef WORDS_BIGENDIAN
+		*d++ = 0;
+		*d++ = (bgr&0xF800)>>8;
+		*d++ = (bgr&0x7E0)>>3;
+		*d++ = (bgr&0x1F)<<3;
+#else
+		*d++ = (bgr&0x1F)<<3;
+		*d++ = (bgr&0x7E0)>>3;
+		*d++ = (bgr&0xF800)>>8;
+		*d++ = 0;
+#endif
+	}
+}
+
+static inline void RENAME(rgb32tobgr32)(const uint8_t *src, uint8_t *dst, long src_size)
+{
+#ifdef HAVE_MMX
+/* TODO: unroll this loop */
+	asm volatile (
+		"xor %%"REG_a", %%"REG_a"	\n\t"
+		ASMALIGN16
+		"1:				\n\t"
+		PREFETCH" 32(%0, %%"REG_a")	\n\t"
+		"movq (%0, %%"REG_a"), %%mm0	\n\t"
+		"movq %%mm0, %%mm1		\n\t"
+		"movq %%mm0, %%mm2		\n\t"
+		"pslld $16, %%mm0		\n\t"
+		"psrld $16, %%mm1		\n\t"
+		"pand "MANGLE(mask32r)", %%mm0	\n\t"
+		"pand "MANGLE(mask32g)", %%mm2	\n\t"
+		"pand "MANGLE(mask32b)", %%mm1	\n\t"
+		"por %%mm0, %%mm2		\n\t"
+		"por %%mm1, %%mm2		\n\t"
+		MOVNTQ" %%mm2, (%1, %%"REG_a")	\n\t"
+		"add $8, %%"REG_a"		\n\t"
+		"cmp %2, %%"REG_a"		\n\t"
+		" jb 1b				\n\t"
+		:: "r" (src), "r"(dst), "r" (src_size-7)
+		: "%"REG_a
+	);
+
+	__asm __volatile(SFENCE:::"memory");
+	__asm __volatile(EMMS:::"memory");
+#else
+	unsigned i;
+	unsigned num_pixels = src_size >> 2;
+	for(i=0; i<num_pixels; i++)
+	{
+#ifdef WORDS_BIGENDIAN  
+	  dst[4*i + 1] = src[4*i + 3];
+	  dst[4*i + 2] = src[4*i + 2];
+	  dst[4*i + 3] = src[4*i + 1];
+#else
+	  dst[4*i + 0] = src[4*i + 2];
+	  dst[4*i + 1] = src[4*i + 1];
+	  dst[4*i + 2] = src[4*i + 0];
+#endif
+	}
+#endif
+}
+
+static inline void RENAME(rgb24tobgr24)(const uint8_t *src, uint8_t *dst, long src_size)
+{
+	unsigned i;
+#ifdef HAVE_MMX
+	long mmx_size= 23 - src_size;
+	asm volatile (
+		"movq "MANGLE(mask24r)", %%mm5	\n\t"
+		"movq "MANGLE(mask24g)", %%mm6	\n\t"
+		"movq "MANGLE(mask24b)", %%mm7	\n\t"
+		ASMALIGN16
+		"1:				\n\t"
+		PREFETCH" 32(%1, %%"REG_a")	\n\t"
+		"movq   (%1, %%"REG_a"), %%mm0	\n\t" // BGR BGR BG
+		"movq   (%1, %%"REG_a"), %%mm1	\n\t" // BGR BGR BG
+		"movq  2(%1, %%"REG_a"), %%mm2	\n\t" // R BGR BGR B
+		"psllq $16, %%mm0		\n\t" // 00 BGR BGR
+		"pand %%mm5, %%mm0		\n\t"
+		"pand %%mm6, %%mm1		\n\t"
+		"pand %%mm7, %%mm2		\n\t"
+		"por %%mm0, %%mm1		\n\t"
+		"por %%mm2, %%mm1		\n\t"                
+		"movq  6(%1, %%"REG_a"), %%mm0	\n\t" // BGR BGR BG
+		MOVNTQ" %%mm1,   (%2, %%"REG_a")\n\t" // RGB RGB RG
+		"movq  8(%1, %%"REG_a"), %%mm1	\n\t" // R BGR BGR B
+		"movq 10(%1, %%"REG_a"), %%mm2	\n\t" // GR BGR BGR
+		"pand %%mm7, %%mm0		\n\t"
+		"pand %%mm5, %%mm1		\n\t"
+		"pand %%mm6, %%mm2		\n\t"
+		"por %%mm0, %%mm1		\n\t"
+		"por %%mm2, %%mm1		\n\t"                
+		"movq 14(%1, %%"REG_a"), %%mm0	\n\t" // R BGR BGR B
+		MOVNTQ" %%mm1,  8(%2, %%"REG_a")\n\t" // B RGB RGB R
+		"movq 16(%1, %%"REG_a"), %%mm1	\n\t" // GR BGR BGR
+		"movq 18(%1, %%"REG_a"), %%mm2	\n\t" // BGR BGR BG
+		"pand %%mm6, %%mm0		\n\t"
+		"pand %%mm7, %%mm1		\n\t"
+		"pand %%mm5, %%mm2		\n\t"
+		"por %%mm0, %%mm1		\n\t"
+		"por %%mm2, %%mm1		\n\t"                
+		MOVNTQ" %%mm1, 16(%2, %%"REG_a")\n\t"
+		"add $24, %%"REG_a"		\n\t"
+		" js 1b				\n\t"
+		: "+a" (mmx_size)
+		: "r" (src-mmx_size), "r"(dst-mmx_size)
+	);
+
+	__asm __volatile(SFENCE:::"memory");
+	__asm __volatile(EMMS:::"memory");
+
+	if(mmx_size==23) return; //finihsed, was multiple of 8
+
+	src+= src_size;
+	dst+= src_size;
+	src_size= 23-mmx_size;
+	src-= src_size;
+	dst-= src_size;
+#endif
+	for(i=0; i<src_size; i+=3)
+	{
+		register uint8_t x;
+		x          = src[i + 2];
+		dst[i + 1] = src[i + 1];
+		dst[i + 2] = src[i + 0];
+		dst[i + 0] = x;
+	}
+}
+
+static inline void RENAME(yuvPlanartoyuy2)(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 %%mm3, %%mm4		\n\t" // Y(0)
+			"movq %%mm5, %%mm6		\n\t" // Y(8)
+			"punpcklbw %%mm0, %%mm3		\n\t" // YUYV YUYV(0)
+			"punpckhbw %%mm0, %%mm4		\n\t" // YUYV YUYV(4)
+			"punpcklbw %%mm2, %%mm5		\n\t" // YUYV YUYV(8)
+			"punpckhbw %%mm2, %%mm6		\n\t" // YUYV YUYV(12)
+
+			MOVNTQ" %%mm3, (%0, %%"REG_a", 4)\n\t"
+			MOVNTQ" %%mm4, 8(%0, %%"REG_a", 4)\n\t"
+			MOVNTQ" %%mm5, 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
+
+#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;
+		for(i = 0; i < chromWidth; i += 2){
+			uint64_t k, l;
+			k = yc[0] + (uc[0] << 8) +
+			    (yc[1] << 16) + (vc[0] << 24);
+			l = yc[2] + (uc[1] << 8) +
+			    (yc[3] << 16) + (vc[1] << 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++ = (yc[0] << 24)+ (uc[0] << 16) +
+			    (yc[1] << 8) + (vc[0] << 0);
+#else
+			*idst++ = yc[0] + (uc[0] << 8) +
+			    (yc[1] << 16) + (vc[0] << 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
+}
+
+/**
+ *
+ * height should be a multiple of 2 and width should be a multiple of 16 (if this is a
+ * problem for anyone then tell me, and ill fix it)
+ */
+static inline void RENAME(yv12toyuy2)(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)
+{
+	//FIXME interpolate chroma
+	RENAME(yuvPlanartoyuy2)(ysrc, usrc, vsrc, dst, width, height, lumStride, chromStride, dstStride, 2);
+}
+
+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
+}
+
+/**
+ *
+ * height should be a multiple of 2 and width should be a multiple of 16 (if this is a
+ * problem for anyone then tell me, and ill fix it)
+ */
+static inline void RENAME(yv12touyvy)(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)
+{
+	//FIXME interpolate chroma
+	RENAME(yuvPlanartouyvy)(ysrc, usrc, vsrc, dst, width, height, lumStride, chromStride, dstStride, 2);
+}
+
+/**
+ *
+ * width should be a multiple of 16
+ */
+static inline void RENAME(yuv422ptoyuy2)(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)
+{
+	RENAME(yuvPlanartoyuy2)(ysrc, usrc, vsrc, dst, width, height, lumStride, chromStride, dstStride, 1);
+}
+
+/**
+ *
+ * height should be a multiple of 2 and width should be a multiple of 16 (if this is a
+ * problem for anyone then tell me, and ill fix it)
+ */
+static inline void RENAME(yuy2toyv12)(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
+	long width, long height,
+	long lumStride, long chromStride, long srcStride)
+{
+	long y;
+	const long chromWidth= width>>1;
+	for(y=0; y<height; y+=2)
+	{
+#ifdef HAVE_MMX
+		asm volatile(
+			"xor %%"REG_a", %%"REG_a"	\n\t"
+			"pcmpeqw %%mm7, %%mm7		\n\t"
+			"psrlw $8, %%mm7		\n\t" // FF,00,FF,00...
+			ASMALIGN16
+			"1:				\n\t"
+			PREFETCH" 64(%0, %%"REG_a", 4)	\n\t"
+			"movq (%0, %%"REG_a", 4), %%mm0	\n\t" // YUYV YUYV(0)
+			"movq 8(%0, %%"REG_a", 4), %%mm1\n\t" // YUYV YUYV(4)
+			"movq %%mm0, %%mm2		\n\t" // YUYV YUYV(0)
+			"movq %%mm1, %%mm3		\n\t" // YUYV YUYV(4)
+			"psrlw $8, %%mm0		\n\t" // U0V0 U0V0(0)
+			"psrlw $8, %%mm1		\n\t" // U0V0 U0V0(4)
+			"pand %%mm7, %%mm2		\n\t" // Y0Y0 Y0Y0(0)
+			"pand %%mm7, %%mm3		\n\t" // Y0Y0 Y0Y0(4)
+			"packuswb %%mm1, %%mm0		\n\t" // UVUV UVUV(0)
+			"packuswb %%mm3, %%mm2		\n\t" // YYYY YYYY(0)
+
+			MOVNTQ" %%mm2, (%1, %%"REG_a", 2)\n\t"
+
+			"movq 16(%0, %%"REG_a", 4), %%mm1\n\t" // YUYV YUYV(8)
+			"movq 24(%0, %%"REG_a", 4), %%mm2\n\t" // YUYV YUYV(12)
+			"movq %%mm1, %%mm3		\n\t" // YUYV YUYV(8)
+			"movq %%mm2, %%mm4		\n\t" // YUYV YUYV(12)
+			"psrlw $8, %%mm1		\n\t" // U0V0 U0V0(8)
+			"psrlw $8, %%mm2		\n\t" // U0V0 U0V0(12)
+			"pand %%mm7, %%mm3		\n\t" // Y0Y0 Y0Y0(8)
+			"pand %%mm7, %%mm4		\n\t" // Y0Y0 Y0Y0(12)
+			"packuswb %%mm2, %%mm1		\n\t" // UVUV UVUV(8)
+			"packuswb %%mm4, %%mm3		\n\t" // YYYY YYYY(8)
+
+			MOVNTQ" %%mm3, 8(%1, %%"REG_a", 2)\n\t"
+
+			"movq %%mm0, %%mm2		\n\t" // UVUV UVUV(0)
+			"movq %%mm1, %%mm3		\n\t" // UVUV UVUV(8)
+			"psrlw $8, %%mm0		\n\t" // V0V0 V0V0(0)
+			"psrlw $8, %%mm1		\n\t" // V0V0 V0V0(8)
+			"pand %%mm7, %%mm2		\n\t" // U0U0 U0U0(0)
+			"pand %%mm7, %%mm3		\n\t" // U0U0 U0U0(8)
+			"packuswb %%mm1, %%mm0		\n\t" // VVVV VVVV(0)
+			"packuswb %%mm3, %%mm2		\n\t" // UUUU UUUU(0)
+
+			MOVNTQ" %%mm0, (%3, %%"REG_a")	\n\t"
+			MOVNTQ" %%mm2, (%2, %%"REG_a")	\n\t"
+
+			"add $8, %%"REG_a"		\n\t"
+			"cmp %4, %%"REG_a"		\n\t"
+			" jb 1b				\n\t"
+			::"r"(src), "r"(ydst), "r"(udst), "r"(vdst), "g" (chromWidth)
+			: "memory", "%"REG_a
+		);
+
+		ydst += lumStride;
+		src  += srcStride;
+
+		asm volatile(
+			"xor %%"REG_a", %%"REG_a"	\n\t"
+			ASMALIGN16
+			"1:				\n\t"
+			PREFETCH" 64(%0, %%"REG_a", 4)	\n\t"
+			"movq (%0, %%"REG_a", 4), %%mm0	\n\t" // YUYV YUYV(0)
+			"movq 8(%0, %%"REG_a", 4), %%mm1\n\t" // YUYV YUYV(4)
+			"movq 16(%0, %%"REG_a", 4), %%mm2\n\t" // YUYV YUYV(8)
+			"movq 24(%0, %%"REG_a", 4), %%mm3\n\t" // YUYV YUYV(12)
+			"pand %%mm7, %%mm0		\n\t" // Y0Y0 Y0Y0(0)
+			"pand %%mm7, %%mm1		\n\t" // Y0Y0 Y0Y0(4)
+			"pand %%mm7, %%mm2		\n\t" // Y0Y0 Y0Y0(8)
+			"pand %%mm7, %%mm3		\n\t" // Y0Y0 Y0Y0(12)
+			"packuswb %%mm1, %%mm0		\n\t" // YYYY YYYY(0)
+			"packuswb %%mm3, %%mm2		\n\t" // YYYY YYYY(8)
+
+			MOVNTQ" %%mm0, (%1, %%"REG_a", 2)\n\t"
+			MOVNTQ" %%mm2, 8(%1, %%"REG_a", 2)\n\t"
+
+			"add $8, %%"REG_a"		\n\t"
+			"cmp %4, %%"REG_a"		\n\t"
+			" jb 1b				\n\t"
+
+			::"r"(src), "r"(ydst), "r"(udst), "r"(vdst), "g" (chromWidth)
+			: "memory", "%"REG_a
+		);
+#else
+		long i;
+		for(i=0; i<chromWidth; i++)
+		{
+			ydst[2*i+0] 	= src[4*i+0];
+			udst[i] 	= src[4*i+1];
+			ydst[2*i+1] 	= src[4*i+2];
+			vdst[i] 	= src[4*i+3];
+		}
+		ydst += lumStride;
+		src  += srcStride;
+
+		for(i=0; i<chromWidth; i++)
+		{
+			ydst[2*i+0] 	= src[4*i+0];
+			ydst[2*i+1] 	= src[4*i+2];
+		}
+#endif
+		udst += chromStride;
+		vdst += chromStride;
+		ydst += lumStride;
+		src  += srcStride;
+	}
+#ifdef HAVE_MMX
+asm volatile(   EMMS" \n\t"
+        	SFENCE" \n\t"
+        	:::"memory");
+#endif
+}
+
+static inline void RENAME(yvu9toyv12)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc,
+	uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
+	long width, long height, long lumStride, long chromStride)
+{
+	/* Y Plane */
+	memcpy(ydst, ysrc, width*height);
+
+	/* XXX: implement upscaling for U,V */
+}
+
+static inline void RENAME(planar2x)(const uint8_t *src, uint8_t *dst, long srcWidth, long srcHeight, long srcStride, long dstStride)
+{
+	long x,y;
+	
+	dst[0]= src[0];
+        
+	// first line
+	for(x=0; x<srcWidth-1; x++){
+		dst[2*x+1]= (3*src[x] +   src[x+1])>>2;
+		dst[2*x+2]= (  src[x] + 3*src[x+1])>>2;
+	}
+	dst[2*srcWidth-1]= src[srcWidth-1];
+	
+        dst+= dstStride;
+
+	for(y=1; y<srcHeight; y++){
+#if defined (HAVE_MMX2) || defined (HAVE_3DNOW)
+		const long mmxSize= srcWidth&~15;
+		asm volatile(
+			"mov %4, %%"REG_a"		\n\t"
+			"1:				\n\t"
+			"movq (%0, %%"REG_a"), %%mm0	\n\t"
+			"movq (%1, %%"REG_a"), %%mm1	\n\t"
+			"movq 1(%0, %%"REG_a"), %%mm2	\n\t"
+			"movq 1(%1, %%"REG_a"), %%mm3	\n\t"
+			"movq -1(%0, %%"REG_a"), %%mm4	\n\t"
+			"movq -1(%1, %%"REG_a"), %%mm5	\n\t"
+			PAVGB" %%mm0, %%mm5		\n\t"
+			PAVGB" %%mm0, %%mm3		\n\t"
+			PAVGB" %%mm0, %%mm5		\n\t"
+			PAVGB" %%mm0, %%mm3		\n\t"
+			PAVGB" %%mm1, %%mm4		\n\t"
+			PAVGB" %%mm1, %%mm2		\n\t"
+			PAVGB" %%mm1, %%mm4		\n\t"
+			PAVGB" %%mm1, %%mm2		\n\t"
+			"movq %%mm5, %%mm7		\n\t"
+			"movq %%mm4, %%mm6		\n\t"
+			"punpcklbw %%mm3, %%mm5		\n\t"
+			"punpckhbw %%mm3, %%mm7		\n\t"
+			"punpcklbw %%mm2, %%mm4		\n\t"
+			"punpckhbw %%mm2, %%mm6		\n\t"
+#if 1
+			MOVNTQ" %%mm5, (%2, %%"REG_a", 2)\n\t"
+			MOVNTQ" %%mm7, 8(%2, %%"REG_a", 2)\n\t"
+			MOVNTQ" %%mm4, (%3, %%"REG_a", 2)\n\t"
+			MOVNTQ" %%mm6, 8(%3, %%"REG_a", 2)\n\t"
+#else
+			"movq %%mm5, (%2, %%"REG_a", 2)	\n\t"
+			"movq %%mm7, 8(%2, %%"REG_a", 2)\n\t"
+			"movq %%mm4, (%3, %%"REG_a", 2)	\n\t"
+			"movq %%mm6, 8(%3, %%"REG_a", 2)\n\t"
+#endif
+			"add $8, %%"REG_a"		\n\t"
+			" js 1b				\n\t"
+			:: "r" (src + mmxSize  ), "r" (src + srcStride + mmxSize  ),
+			   "r" (dst + mmxSize*2), "r" (dst + dstStride + mmxSize*2),
+			   "g" (-mmxSize)
+			: "%"REG_a
+
+		);
+#else
+		const long mmxSize=1;
+#endif
+		dst[0        ]= (3*src[0] +   src[srcStride])>>2;
+		dst[dstStride]= (  src[0] + 3*src[srcStride])>>2;
+
+		for(x=mmxSize-1; x<srcWidth-1; x++){
+			dst[2*x          +1]= (3*src[x+0] +   src[x+srcStride+1])>>2;
+			dst[2*x+dstStride+2]= (  src[x+0] + 3*src[x+srcStride+1])>>2;
+			dst[2*x+dstStride+1]= (  src[x+1] + 3*src[x+srcStride  ])>>2;
+			dst[2*x          +2]= (3*src[x+1] +   src[x+srcStride  ])>>2;
+		}
+		dst[srcWidth*2 -1            ]= (3*src[srcWidth-1] +   src[srcWidth-1 + srcStride])>>2;
+		dst[srcWidth*2 -1 + dstStride]= (  src[srcWidth-1] + 3*src[srcWidth-1 + srcStride])>>2;
+
+		dst+=dstStride*2;
+		src+=srcStride;
+	}
+	
+	// last line
+#if 1
+	dst[0]= src[0];
+        
+	for(x=0; x<srcWidth-1; x++){
+		dst[2*x+1]= (3*src[x] +   src[x+1])>>2;
+		dst[2*x+2]= (  src[x] + 3*src[x+1])>>2;
+	}
+	dst[2*srcWidth-1]= src[srcWidth-1];
+#else
+	for(x=0; x<srcWidth; x++){
+		dst[2*x+0]=
+		dst[2*x+1]= src[x];
+	}
+#endif
+
+#ifdef HAVE_MMX
+asm volatile(   EMMS" \n\t"
+        	SFENCE" \n\t"
+        	:::"memory");
+#endif
+}
+
+/**
+ *
+ * height should be a multiple of 2 and width should be a multiple of 16 (if this is a
+ * problem for anyone then tell me, and ill fix it)
+ * chrominance data is only taken from every secound line others are ignored FIXME write HQ version
+ */
+static inline void RENAME(uyvytoyv12)(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
+	long width, long height,
+	long lumStride, long chromStride, long srcStride)
+{
+	long y;
+	const long chromWidth= width>>1;
+	for(y=0; y<height; y+=2)
+	{
+#ifdef HAVE_MMX
+		asm volatile(
+			"xorl %%eax, %%eax		\n\t"
+			"pcmpeqw %%mm7, %%mm7		\n\t"
+			"psrlw $8, %%mm7		\n\t" // FF,00,FF,00...
+			ASMALIGN16
+			"1:				\n\t"
+			PREFETCH" 64(%0, %%eax, 4)	\n\t"
+			"movq (%0, %%eax, 4), %%mm0	\n\t" // UYVY UYVY(0)
+			"movq 8(%0, %%eax, 4), %%mm1	\n\t" // UYVY UYVY(4)
+			"movq %%mm0, %%mm2		\n\t" // UYVY UYVY(0)
+			"movq %%mm1, %%mm3		\n\t" // UYVY UYVY(4)
+			"pand %%mm7, %%mm0		\n\t" // U0V0 U0V0(0)
+			"pand %%mm7, %%mm1		\n\t" // U0V0 U0V0(4)
+			"psrlw $8, %%mm2		\n\t" // Y0Y0 Y0Y0(0)
+			"psrlw $8, %%mm3		\n\t" // Y0Y0 Y0Y0(4)
+			"packuswb %%mm1, %%mm0		\n\t" // UVUV UVUV(0)
+			"packuswb %%mm3, %%mm2		\n\t" // YYYY YYYY(0)
+
+			MOVNTQ" %%mm2, (%1, %%eax, 2)	\n\t"
+
+			"movq 16(%0, %%eax, 4), %%mm1	\n\t" // UYVY UYVY(8)
+			"movq 24(%0, %%eax, 4), %%mm2	\n\t" // UYVY UYVY(12)
+			"movq %%mm1, %%mm3		\n\t" // UYVY UYVY(8)
+			"movq %%mm2, %%mm4		\n\t" // UYVY UYVY(12)
+			"pand %%mm7, %%mm1		\n\t" // U0V0 U0V0(8)
+			"pand %%mm7, %%mm2		\n\t" // U0V0 U0V0(12)
+			"psrlw $8, %%mm3		\n\t" // Y0Y0 Y0Y0(8)
+			"psrlw $8, %%mm4		\n\t" // Y0Y0 Y0Y0(12)
+			"packuswb %%mm2, %%mm1		\n\t" // UVUV UVUV(8)
+			"packuswb %%mm4, %%mm3		\n\t" // YYYY YYYY(8)
+
+			MOVNTQ" %%mm3, 8(%1, %%eax, 2)	\n\t"
+
+			"movq %%mm0, %%mm2		\n\t" // UVUV UVUV(0)
+			"movq %%mm1, %%mm3		\n\t" // UVUV UVUV(8)
+			"psrlw $8, %%mm0		\n\t" // V0V0 V0V0(0)
+			"psrlw $8, %%mm1		\n\t" // V0V0 V0V0(8)
+			"pand %%mm7, %%mm2		\n\t" // U0U0 U0U0(0)
+			"pand %%mm7, %%mm3		\n\t" // U0U0 U0U0(8)
+			"packuswb %%mm1, %%mm0		\n\t" // VVVV VVVV(0)
+			"packuswb %%mm3, %%mm2		\n\t" // UUUU UUUU(0)
+
+			MOVNTQ" %%mm0, (%3, %%eax)	\n\t"
+			MOVNTQ" %%mm2, (%2, %%eax)	\n\t"
+
+			"addl $8, %%eax			\n\t"
+			"cmpl %4, %%eax			\n\t"
+			" jb 1b				\n\t"
+			::"r"(src), "r"(ydst), "r"(udst), "r"(vdst), "g" (chromWidth)
+			: "memory", "%eax"
+		);
+
+		ydst += lumStride;
+		src  += srcStride;
+
+		asm volatile(
+			"xorl %%eax, %%eax		\n\t"
+			ASMALIGN16
+			"1:				\n\t"
+			PREFETCH" 64(%0, %%eax, 4)	\n\t"
+			"movq (%0, %%eax, 4), %%mm0	\n\t" // YUYV YUYV(0)
+			"movq 8(%0, %%eax, 4), %%mm1	\n\t" // YUYV YUYV(4)
+			"movq 16(%0, %%eax, 4), %%mm2	\n\t" // YUYV YUYV(8)
+			"movq 24(%0, %%eax, 4), %%mm3	\n\t" // YUYV YUYV(12)
+			"psrlw $8, %%mm0		\n\t" // Y0Y0 Y0Y0(0)
+			"psrlw $8, %%mm1		\n\t" // Y0Y0 Y0Y0(4)
+			"psrlw $8, %%mm2		\n\t" // Y0Y0 Y0Y0(8)
+			"psrlw $8, %%mm3		\n\t" // Y0Y0 Y0Y0(12)
+			"packuswb %%mm1, %%mm0		\n\t" // YYYY YYYY(0)
+			"packuswb %%mm3, %%mm2		\n\t" // YYYY YYYY(8)
+
+			MOVNTQ" %%mm0, (%1, %%eax, 2)	\n\t"
+			MOVNTQ" %%mm2, 8(%1, %%eax, 2)	\n\t"
+
+			"addl $8, %%eax			\n\t"
+			"cmpl %4, %%eax			\n\t"
+			" jb 1b				\n\t"
+
+			::"r"(src), "r"(ydst), "r"(udst), "r"(vdst), "g" (chromWidth)
+			: "memory", "%eax"
+		);
+#else
+		long i;
+		for(i=0; i<chromWidth; i++)
+		{
+			udst[i] 	= src[4*i+0];
+			ydst[2*i+0] 	= src[4*i+1];
+			vdst[i] 	= src[4*i+2];
+			ydst[2*i+1] 	= src[4*i+3];
+		}
+		ydst += lumStride;
+		src  += srcStride;
+
+		for(i=0; i<chromWidth; i++)
+		{
+			ydst[2*i+0] 	= src[4*i+1];
+			ydst[2*i+1] 	= src[4*i+3];
+		}
+#endif
+		udst += chromStride;
+		vdst += chromStride;
+		ydst += lumStride;
+		src  += srcStride;
+	}
+#ifdef HAVE_MMX
+asm volatile(   EMMS" \n\t"
+        	SFENCE" \n\t"
+        	:::"memory");
+#endif
+}
+
+/**
+ *
+ * height should be a multiple of 2 and width should be a multiple of 2 (if this is a
+ * problem for anyone then tell me, and ill fix it)
+ * chrominance data is only taken from every secound line others are ignored in the C version FIXME write HQ version
+ */
+static inline void RENAME(rgb24toyv12)(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
+	long width, long height,
+	long lumStride, long chromStride, long srcStride)
+{
+	long y;
+	const long chromWidth= width>>1;
+#ifdef HAVE_MMX
+	for(y=0; y<height-2; y+=2)
+	{
+		long i;
+		for(i=0; i<2; i++)
+		{
+			asm volatile(
+				"mov %2, %%"REG_a"		\n\t"
+				"movq "MANGLE(bgr2YCoeff)", %%mm6		\n\t"
+				"movq "MANGLE(w1111)", %%mm5		\n\t"
+				"pxor %%mm7, %%mm7		\n\t"
+				"lea (%%"REG_a", %%"REG_a", 2), %%"REG_b"\n\t"
+				ASMALIGN16
+				"1:				\n\t"
+				PREFETCH" 64(%0, %%"REG_b")	\n\t"
+				"movd (%0, %%"REG_b"), %%mm0	\n\t"
+				"movd 3(%0, %%"REG_b"), %%mm1	\n\t"
+				"punpcklbw %%mm7, %%mm0		\n\t"
+				"punpcklbw %%mm7, %%mm1		\n\t"
+				"movd 6(%0, %%"REG_b"), %%mm2	\n\t"
+				"movd 9(%0, %%"REG_b"), %%mm3	\n\t"
+				"punpcklbw %%mm7, %%mm2		\n\t"
+				"punpcklbw %%mm7, %%mm3		\n\t"
+				"pmaddwd %%mm6, %%mm0		\n\t"
+				"pmaddwd %%mm6, %%mm1		\n\t"
+				"pmaddwd %%mm6, %%mm2		\n\t"
+				"pmaddwd %%mm6, %%mm3		\n\t"
+#ifndef FAST_BGR2YV12
+				"psrad $8, %%mm0		\n\t"
+				"psrad $8, %%mm1		\n\t"
+				"psrad $8, %%mm2		\n\t"
+				"psrad $8, %%mm3		\n\t"
+#endif
+				"packssdw %%mm1, %%mm0		\n\t"
+				"packssdw %%mm3, %%mm2		\n\t"
+				"pmaddwd %%mm5, %%mm0		\n\t"
+				"pmaddwd %%mm5, %%mm2		\n\t"
+				"packssdw %%mm2, %%mm0		\n\t"
+				"psraw $7, %%mm0		\n\t"
+
+				"movd 12(%0, %%"REG_b"), %%mm4	\n\t"
+				"movd 15(%0, %%"REG_b"), %%mm1	\n\t"
+				"punpcklbw %%mm7, %%mm4		\n\t"
+				"punpcklbw %%mm7, %%mm1		\n\t"
+				"movd 18(%0, %%"REG_b"), %%mm2	\n\t"
+				"movd 21(%0, %%"REG_b"), %%mm3	\n\t"
+				"punpcklbw %%mm7, %%mm2		\n\t"
+				"punpcklbw %%mm7, %%mm3		\n\t"
+				"pmaddwd %%mm6, %%mm4		\n\t"
+				"pmaddwd %%mm6, %%mm1		\n\t"
+				"pmaddwd %%mm6, %%mm2		\n\t"
+				"pmaddwd %%mm6, %%mm3		\n\t"
+#ifndef FAST_BGR2YV12
+				"psrad $8, %%mm4		\n\t"
+				"psrad $8, %%mm1		\n\t"
+				"psrad $8, %%mm2		\n\t"
+				"psrad $8, %%mm3		\n\t"
+#endif
+				"packssdw %%mm1, %%mm4		\n\t"
+				"packssdw %%mm3, %%mm2		\n\t"
+				"pmaddwd %%mm5, %%mm4		\n\t"
+				"pmaddwd %%mm5, %%mm2		\n\t"
+				"add $24, %%"REG_b"		\n\t"
+				"packssdw %%mm2, %%mm4		\n\t"
+				"psraw $7, %%mm4		\n\t"
+
+				"packuswb %%mm4, %%mm0		\n\t"
+				"paddusb "MANGLE(bgr2YOffset)", %%mm0	\n\t"
+
+				MOVNTQ" %%mm0, (%1, %%"REG_a")	\n\t"
+				"add $8, %%"REG_a"		\n\t"
+				" js 1b				\n\t"
+				: : "r" (src+width*3), "r" (ydst+width), "g" (-width)
+				: "%"REG_a, "%"REG_b
+			);
+			ydst += lumStride;
+			src  += srcStride;
+		}
+		src -= srcStride*2;
+		asm volatile(
+			"mov %4, %%"REG_a"		\n\t"
+			"movq "MANGLE(w1111)", %%mm5		\n\t"
+			"movq "MANGLE(bgr2UCoeff)", %%mm6		\n\t"
+			"pxor %%mm7, %%mm7		\n\t"
+			"lea (%%"REG_a", %%"REG_a", 2), %%"REG_b"\n\t"
+			"add %%"REG_b", %%"REG_b"	\n\t"
+			ASMALIGN16
+			"1:				\n\t"
+			PREFETCH" 64(%0, %%"REG_b")	\n\t"
+			PREFETCH" 64(%1, %%"REG_b")	\n\t"
+#if defined (HAVE_MMX2) || defined (HAVE_3DNOW)
+			"movq (%0, %%"REG_b"), %%mm0	\n\t"
+			"movq (%1, %%"REG_b"), %%mm1	\n\t"
+			"movq 6(%0, %%"REG_b"), %%mm2	\n\t"
+			"movq 6(%1, %%"REG_b"), %%mm3	\n\t"
+			PAVGB" %%mm1, %%mm0		\n\t"
+			PAVGB" %%mm3, %%mm2		\n\t"
+			"movq %%mm0, %%mm1		\n\t"
+			"movq %%mm2, %%mm3		\n\t"
+			"psrlq $24, %%mm0		\n\t"
+			"psrlq $24, %%mm2		\n\t"
+			PAVGB" %%mm1, %%mm0		\n\t"
+			PAVGB" %%mm3, %%mm2		\n\t"
+			"punpcklbw %%mm7, %%mm0		\n\t"
+			"punpcklbw %%mm7, %%mm2		\n\t"
+#else
+			"movd (%0, %%"REG_b"), %%mm0	\n\t"
+			"movd (%1, %%"REG_b"), %%mm1	\n\t"
+			"movd 3(%0, %%"REG_b"), %%mm2	\n\t"
+			"movd 3(%1, %%"REG_b"), %%mm3	\n\t"
+			"punpcklbw %%mm7, %%mm0		\n\t"
+			"punpcklbw %%mm7, %%mm1		\n\t"
+			"punpcklbw %%mm7, %%mm2		\n\t"
+			"punpcklbw %%mm7, %%mm3		\n\t"
+			"paddw %%mm1, %%mm0		\n\t"
+			"paddw %%mm3, %%mm2		\n\t"
+			"paddw %%mm2, %%mm0		\n\t"
+			"movd 6(%0, %%"REG_b"), %%mm4	\n\t"
+			"movd 6(%1, %%"REG_b"), %%mm1	\n\t"
+			"movd 9(%0, %%"REG_b"), %%mm2	\n\t"
+			"movd 9(%1, %%"REG_b"), %%mm3	\n\t"
+			"punpcklbw %%mm7, %%mm4		\n\t"
+			"punpcklbw %%mm7, %%mm1		\n\t"
+			"punpcklbw %%mm7, %%mm2		\n\t"
+			"punpcklbw %%mm7, %%mm3		\n\t"
+			"paddw %%mm1, %%mm4		\n\t"
+			"paddw %%mm3, %%mm2		\n\t"
+			"paddw %%mm4, %%mm2		\n\t"
+			"psrlw $2, %%mm0		\n\t"
+			"psrlw $2, %%mm2		\n\t"
+#endif
+			"movq "MANGLE(bgr2VCoeff)", %%mm1		\n\t"
+			"movq "MANGLE(bgr2VCoeff)", %%mm3		\n\t"
+
+			"pmaddwd %%mm0, %%mm1		\n\t"
+			"pmaddwd %%mm2, %%mm3		\n\t"
+			"pmaddwd %%mm6, %%mm0		\n\t"
+			"pmaddwd %%mm6, %%mm2		\n\t"
+#ifndef FAST_BGR2YV12
+			"psrad $8, %%mm0		\n\t"
+			"psrad $8, %%mm1		\n\t"
+			"psrad $8, %%mm2		\n\t"
+			"psrad $8, %%mm3		\n\t"
+#endif
+			"packssdw %%mm2, %%mm0		\n\t"
+			"packssdw %%mm3, %%mm1		\n\t"
+			"pmaddwd %%mm5, %%mm0		\n\t"
+			"pmaddwd %%mm5, %%mm1		\n\t"
+			"packssdw %%mm1, %%mm0		\n\t" // V1 V0 U1 U0
+			"psraw $7, %%mm0		\n\t"
+
+#if defined (HAVE_MMX2) || defined (HAVE_3DNOW)
+			"movq 12(%0, %%"REG_b"), %%mm4	\n\t"
+			"movq 12(%1, %%"REG_b"), %%mm1	\n\t"
+			"movq 18(%0, %%"REG_b"), %%mm2	\n\t"
+			"movq 18(%1, %%"REG_b"), %%mm3	\n\t"
+			PAVGB" %%mm1, %%mm4		\n\t"
+			PAVGB" %%mm3, %%mm2		\n\t"
+			"movq %%mm4, %%mm1		\n\t"
+			"movq %%mm2, %%mm3		\n\t"
+			"psrlq $24, %%mm4		\n\t"
+			"psrlq $24, %%mm2		\n\t"
+			PAVGB" %%mm1, %%mm4		\n\t"
+			PAVGB" %%mm3, %%mm2		\n\t"
+			"punpcklbw %%mm7, %%mm4		\n\t"
+			"punpcklbw %%mm7, %%mm2		\n\t"
+#else
+			"movd 12(%0, %%"REG_b"), %%mm4	\n\t"
+			"movd 12(%1, %%"REG_b"), %%mm1	\n\t"
+			"movd 15(%0, %%"REG_b"), %%mm2	\n\t"
+			"movd 15(%1, %%"REG_b"), %%mm3	\n\t"
+			"punpcklbw %%mm7, %%mm4		\n\t"
+			"punpcklbw %%mm7, %%mm1		\n\t"
+			"punpcklbw %%mm7, %%mm2		\n\t"
+			"punpcklbw %%mm7, %%mm3		\n\t"
+			"paddw %%mm1, %%mm4		\n\t"
+			"paddw %%mm3, %%mm2		\n\t"
+			"paddw %%mm2, %%mm4		\n\t"
+			"movd 18(%0, %%"REG_b"), %%mm5	\n\t"
+			"movd 18(%1, %%"REG_b"), %%mm1	\n\t"
+			"movd 21(%0, %%"REG_b"), %%mm2	\n\t"
+			"movd 21(%1, %%"REG_b"), %%mm3	\n\t"
+			"punpcklbw %%mm7, %%mm5		\n\t"
+			"punpcklbw %%mm7, %%mm1		\n\t"
+			"punpcklbw %%mm7, %%mm2		\n\t"
+			"punpcklbw %%mm7, %%mm3		\n\t"
+			"paddw %%mm1, %%mm5		\n\t"
+			"paddw %%mm3, %%mm2		\n\t"
+			"paddw %%mm5, %%mm2		\n\t"
+			"movq "MANGLE(w1111)", %%mm5		\n\t"
+			"psrlw $2, %%mm4		\n\t"
+			"psrlw $2, %%mm2		\n\t"
+#endif
+			"movq "MANGLE(bgr2VCoeff)", %%mm1		\n\t"
+			"movq "MANGLE(bgr2VCoeff)", %%mm3		\n\t"
+
+			"pmaddwd %%mm4, %%mm1		\n\t"
+			"pmaddwd %%mm2, %%mm3		\n\t"
+			"pmaddwd %%mm6, %%mm4		\n\t"
+			"pmaddwd %%mm6, %%mm2		\n\t"
+#ifndef FAST_BGR2YV12
+			"psrad $8, %%mm4		\n\t"
+			"psrad $8, %%mm1		\n\t"
+			"psrad $8, %%mm2		\n\t"
+			"psrad $8, %%mm3		\n\t"
+#endif
+			"packssdw %%mm2, %%mm4		\n\t"
+			"packssdw %%mm3, %%mm1		\n\t"
+			"pmaddwd %%mm5, %%mm4		\n\t"
+			"pmaddwd %%mm5, %%mm1		\n\t"
+			"add $24, %%"REG_b"		\n\t"
+			"packssdw %%mm1, %%mm4		\n\t" // V3 V2 U3 U2
+			"psraw $7, %%mm4		\n\t"
+
+			"movq %%mm0, %%mm1		\n\t"
+			"punpckldq %%mm4, %%mm0		\n\t"
+			"punpckhdq %%mm4, %%mm1		\n\t"
+			"packsswb %%mm1, %%mm0		\n\t"
+			"paddb "MANGLE(bgr2UVOffset)", %%mm0	\n\t"
+			"movd %%mm0, (%2, %%"REG_a")	\n\t"
+			"punpckhdq %%mm0, %%mm0		\n\t"
+			"movd %%mm0, (%3, %%"REG_a")	\n\t"
+			"add $4, %%"REG_a"		\n\t"
+			" js 1b				\n\t"
+			: : "r" (src+chromWidth*6), "r" (src+srcStride+chromWidth*6), "r" (udst+chromWidth), "r" (vdst+chromWidth), "g" (-chromWidth)
+			: "%"REG_a, "%"REG_b
+		);
+
+		udst += chromStride;
+		vdst += chromStride;
+		src  += srcStride*2;
+	}
+
+	asm volatile(   EMMS" \n\t"
+			SFENCE" \n\t"
+			:::"memory");
+#else
+	y=0;
+#endif
+	for(; y<height; y+=2)
+	{
+		long i;
+		for(i=0; i<chromWidth; i++)
+		{
+			unsigned int b= src[6*i+0];
+			unsigned int g= src[6*i+1];
+			unsigned int r= src[6*i+2];
+
+			unsigned int Y  =  ((RY*r + GY*g + BY*b)>>RGB2YUV_SHIFT) + 16;
+			unsigned int V  =  ((RV*r + GV*g + BV*b)>>RGB2YUV_SHIFT) + 128;
+			unsigned int U  =  ((RU*r + GU*g + BU*b)>>RGB2YUV_SHIFT) + 128;
+
+			udst[i] 	= U;
+			vdst[i] 	= V;
+			ydst[2*i] 	= Y;
+
+			b= src[6*i+3];
+			g= src[6*i+4];
+			r= src[6*i+5];
+
+			Y  =  ((RY*r + GY*g + BY*b)>>RGB2YUV_SHIFT) + 16;
+			ydst[2*i+1] 	= Y;
+		}
+		ydst += lumStride;
+		src  += srcStride;
+
+		for(i=0; i<chromWidth; i++)
+		{
+			unsigned int b= src[6*i+0];
+			unsigned int g= src[6*i+1];
+			unsigned int r= src[6*i+2];
+
+			unsigned int Y  =  ((RY*r + GY*g + BY*b)>>RGB2YUV_SHIFT) + 16;
+
+			ydst[2*i] 	= Y;
+
+			b= src[6*i+3];
+			g= src[6*i+4];
+			r= src[6*i+5];
+
+			Y  =  ((RY*r + GY*g + BY*b)>>RGB2YUV_SHIFT) + 16;
+			ydst[2*i+1] 	= Y;
+		}
+		udst += chromStride;
+		vdst += chromStride;
+		ydst += lumStride;
+		src  += srcStride;
+	}
+}
+
+void RENAME(interleaveBytes)(uint8_t *src1, uint8_t *src2, uint8_t *dest,
+			    long width, long height, long src1Stride,
+			    long src2Stride, long dstStride){
+	long h;
+
+	for(h=0; h < height; h++)
+	{
+		long w;
+
+#ifdef HAVE_MMX
+#ifdef HAVE_SSE2
+		asm(
+			"xor %%"REG_a", %%"REG_a"	\n\t"
+			"1:				\n\t"
+			PREFETCH" 64(%1, %%"REG_a")	\n\t"
+			PREFETCH" 64(%2, %%"REG_a")	\n\t"
+			"movdqa (%1, %%"REG_a"), %%xmm0	\n\t"
+			"movdqa (%1, %%"REG_a"), %%xmm1	\n\t"
+			"movdqa (%2, %%"REG_a"), %%xmm2	\n\t"
+			"punpcklbw %%xmm2, %%xmm0	\n\t"
+			"punpckhbw %%xmm2, %%xmm1	\n\t"
+			"movntdq %%xmm0, (%0, %%"REG_a", 2)\n\t"
+			"movntdq %%xmm1, 16(%0, %%"REG_a", 2)\n\t"
+			"add $16, %%"REG_a"		\n\t"
+			"c