From e2de64d6f1beb9e492daf5b886e19933c1fa41dd Mon Sep 17 00:00:00 2001
From: toma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>
Date: Wed, 25 Nov 2009 17:56:58 +0000
Subject: Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
 BUG:215923

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdemultimedia@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
---
 mpeglib/lib/util/render/dither2YUV/rgb2yuv32.cpp | 1143 ++++++++++++++++++++++
 1 file changed, 1143 insertions(+)
 create mode 100644 mpeglib/lib/util/render/dither2YUV/rgb2yuv32.cpp

(limited to 'mpeglib/lib/util/render/dither2YUV/rgb2yuv32.cpp')

diff --git a/mpeglib/lib/util/render/dither2YUV/rgb2yuv32.cpp b/mpeglib/lib/util/render/dither2YUV/rgb2yuv32.cpp
new file mode 100644
index 00000000..3e246e25
--- /dev/null
+++ b/mpeglib/lib/util/render/dither2YUV/rgb2yuv32.cpp
@@ -0,0 +1,1143 @@
+/***************************************************************************
+                          rgb2yuv32.cpp  -  description
+                             -------------------
+    begin                : Tue Nov 2 2000
+    copyright            : (C) 2000 by Christian Gerlach
+    email                : cgerlach@rhrk.uni-kl.de
+ ***************************************************************************/
+ 
+/***************************************************************************
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+#include "rgb2yuv32.h"
+#include <iostream>
+
+void rgb2yuv32(unsigned char* rgb, unsigned char* dest)
+{
+	dest[0] = Y_RGB(rgb[0], rgb[1], rgb[2]);
+	dest[1] = U_RGB(rgb[0], rgb[1], rgb[2]);
+	dest[2] = V_RGB(rgb[0], rgb[1], rgb[2]);
+}
+
+void rgb2yuv24bit(unsigned char* rgbSource,
+		  unsigned char* lum,
+		  unsigned char* cr,
+		  unsigned char* cb,int height, int width) {
+	int width2 = width / 2;
+	int height2 = height / 2;
+	int r, g, b, row, col;
+
+	for (row=0 ; row<height2 ; row++) {
+		for (col=0 ; col<width2 ; col++) {
+			r = *rgbSource++;
+			g = *rgbSource++;
+			b = *rgbSource++;
+			
+			*lum++ = Y_RGB(r, g, b);
+			*cr++  = U_RGB(r, g, b);
+			*cb++  = V_RGB(r, g, b);
+			
+			r = *rgbSource++;
+			g = *rgbSource++;
+			b = *rgbSource++;
+			
+			*lum++ = Y_RGB(r, g, b);
+		}
+		for (col=0 ; col<width ; col++) {
+			r = *rgbSource++;
+			g = *rgbSource++;
+			b = *rgbSource++;
+			
+			*lum++ = Y_RGB(r, g, b);
+		}
+	}
+}
+
+void rgb2yuv32bit(unsigned char* rgbSource,
+		  unsigned char* lum,
+		  unsigned char* cr,
+		  unsigned char* cb,int height, int width) {
+
+	int width2 = width / 2;
+	int height2 = height / 2;
+	int r, g, b, row, col;
+
+	for (row=0 ; row<height2 ; row++) {
+		for (col=0 ; col<width2 ; col++) {
+			r = *rgbSource++;
+			g = *rgbSource++;
+			b = *rgbSource++;
+			rgbSource ++;
+			
+			*lum++ = Y_RGB(r, g, b);
+			*cr++  = U_RGB(r, g, b);
+			*cb++  = V_RGB(r, g, b);
+			
+			r = *rgbSource++;
+			g = *rgbSource++;
+			b = *rgbSource++;
+			rgbSource++;
+			
+			*lum++ = Y_RGB(r, g, b);
+		}
+		for (col=0 ; col<width ; col++) {
+			r = *rgbSource++;
+			g = *rgbSource++;
+			b = *rgbSource++;
+			rgbSource ++;
+			
+			*lum++ = Y_RGB(r, g, b);
+		}
+	}
+}
+
+#ifndef INTEL 
+void rgb2yuv24bit_mmx(unsigned char* rgbSource,
+		      unsigned char* lum,
+		      unsigned char* cr,
+		      unsigned char* cb,int height, int width) {
+  std::cout << "RGB->YUV render not compiled for INTEL"<<std::endl;
+  exit(0);
+}
+
+void rgb2yuv32bit_mmx(unsigned char* rgbSource,
+		      unsigned char* lum,
+		      unsigned char* cr,
+		      unsigned char* cb,int height, int width) {
+  std::cout << "RGB->YUV render not compiled for INTEL"<<std::endl;
+  exit(0); 
+}
+
+#endif
+
+#ifdef INTEL
+
+void rgb2yuv24bit_mmx(unsigned char* rgbSource,
+		      unsigned char* lum,
+		      unsigned char* cr,
+		      unsigned char* cb,int height, int width) {
+	int width2 = width / 2;
+	int height2 = height / 2;
+	int row;
+	int bytesPerLine = width * 3;
+		
+	for (row=0 ; row<height2 ; row++) {
+		rgb2yuv24bit_mmx422_row(rgbSource, lum, cr, cb, width);
+		rgbSource += bytesPerLine;
+		lum += width;
+		cr += width2;
+		cb += width2;
+
+		rgb2y24bit_mmx_row(rgbSource, lum, width);
+  		rgbSource += bytesPerLine;
+  		lum += width;
+	}
+}
+
+void rgb2yuv32bit_mmx(unsigned char* rgbSource,
+		      unsigned char* lum,
+		      unsigned char* cr,
+		      unsigned char* cb,int height, int width) {
+
+
+	int width2 = width / 2;
+	int height2 = height / 2;
+	int bytesPerLine = width * 4;
+		
+	for (int row=0 ; row<height2 ; row++) {
+		rgb2yuv32bit_mmx422_row(rgbSource, lum,cr, cb, width);
+		rgbSource += bytesPerLine;
+		lum += width;
+		cr += width2;
+		cb += width2;
+
+		rgb2y32bit_mmx_row(rgbSource, lum, width);
+  		rgbSource += bytesPerLine;
+  		lum += width;
+ 	}
+}
+
+void rgb2yuv24bit_mmx444_row(unsigned char* rgb, unsigned char* lum, unsigned char* cr,
+							 unsigned char* cb, int pixel)
+{
+	unsigned int buf[8];
+
+	// %5 = TEMP0
+	// 8%5 = TEMPY
+	// 16%5 = TEMPU
+	// 24%5 = TEMPV
+
+	__asm__ __volatile__ (
+		"1:\n"
+
+		"movq      (%0), %%mm1\n"  // load G2R2B1G1R1B0G0R0
+		"pxor      %%mm6,   %%mm6\n"  // 0 -> mm6
+		"movq      %%mm1,   %%mm0\n"  // G2R2B1G1R1B0G0R0 -> mm0
+		"psrlq     $16,     %%mm1\n"  // 00G2R2B1G1R1B0 -> mm1
+		"punpcklbw ZEROSX,  %%mm0\n"  // R1B0G0R0 -> mm0
+		"movq      %%mm1,   %%mm7\n"  // 00G2R2B1G1R1B0 -> mm7
+		"punpcklbw ZEROSX,  %%mm1\n"  // B1G1R1B0 -> mm1
+		"movq      %%mm0,   %%mm2\n"  // R1B0G0R0 -> mm2
+		"pmaddwd   YR0GRX,  %%mm0\n"  // yrR1,ygG0+yrR0 -> mm0
+		"movq      %%mm1,   %%mm3\n"  // B1G1R1B0 -> mm3
+		"pmaddwd   YBG0BX,  %%mm1\n"  // ybB1+ygG1,ybB0 -> mm1
+		"movq      %%mm2,   %%mm4\n"  // R1B0G0R0 -> mm4
+		"pmaddwd   UR0GRX,  %%mm2\n"  // urR1,ugG0+urR0 -> mm2
+		"movq      %%mm3,   %%mm5\n"  // B1G1R1B0 -> mm5
+		"pmaddwd   UBG0BX,  %%mm3\n"  // ubB1+ugG1,ubB0 -> mm3
+		"punpckhbw %%mm6,   %%mm7\n"  // 00G2R2 -> mm7
+		"pmaddwd   VR0GRX,  %%mm4\n"  // vrR1,vgG0+vrR0 -> mm4
+		"paddd     %%mm1,   %%mm0\n"  // Y1Y0 -> mm0
+
+		"pmaddwd   VBG0BX,  %%mm5\n"  // vbB1+vgG1,vbB0 -> mm5
+
+		"movq      8(%0),%%mm1\n"  // load G2R2B1G1R1B0G0R0
+		"paddd     %%mm3,   %%mm2\n"  // U1U0 -> mm2
+
+		"movq      %%mm1,   %%mm6\n"  // R5B4G4R4B3G3R3B2 -> mm6
+		"punpcklbw ZEROSX,  %%mm1\n"  // B3G3R3B2 -> mm1
+		"paddd     %%mm5,   %%mm4\n"  // V1V0 -> mm4
+
+		//----------------------------------------------------------------------		
+		
+		"movq      %%mm1,   %%mm5\n"  // B3G3R3B2 -> mm5
+		"psllq     $32,     %%mm1\n"  // R3B200 -> mm1
+		
+		"paddd     %%mm7,   %%mm1\n"  // R3B200+00G2R2=R3B2G2R2->mm1
+		
+		"punpckhbw ZEROSX,  %%mm6\n"  // R5B4G4R3 -> mm6
+ 		"movq      %%mm1,   %%mm3\n"  // R3B2G2R2 -> mm3
+		
+ 		"pmaddwd   YR0GRX,  %%mm1\n"  // yrR3,ygG2+yrR2 -> mm1
+ 		"movq      %%mm5,   %%mm7\n"  // B3G3R3B2 -> mm7
+		
+		"pmaddwd   YBG0BX,  %%mm5\n"  // ybB3+ygG3,ybB2 -> mm5
+ 		"psrad     $15,     %%mm0\n"  // 32-bit scaled Y1Y0 -> mm0
+		
+		"movq      %%mm6,   %5\n"  // R5B4G4R4 -> TEMP0
+		"movq      %%mm3,   %%mm6\n"  // R3B2G2R2 -> mm6
+		"pmaddwd   UR0GRX,  %%mm6\n"  // urR3,ugG2+urR2 -> mm6
+		"psrad     $15,     %%mm2\n"  // 32-bit scaled U1U0 -> mm2
+		
+		"paddd     %%mm5,   %%mm1\n"  // Y3Y2 -> mm1
+		"movq      %%mm7,   %%mm5\n"  // B3G3R3B2 -> mm5
+	 	"pmaddwd   UBG0BX,  %%mm7\n"  // ubB3+ugG3,ubB2
+		"psrad     $15,     %%mm1\n"  // 32-bit scaled Y3Y2 -> mm1
+		
+		"pmaddwd   VR0GRX,  %%mm3\n"  // vrR3,vgG2+vgR2
+		"packssdw  %%mm1,   %%mm0\n"  // Y3Y2Y1Y0 -> mm0
+		
+		"pmaddwd   VBG0BX,  %%mm5\n"  // vbB3+vgG3,vbB2 -> mm5
+		"psrad     $15,     %%mm4\n"  // 32-bit scaled V1V0 -> mm4
+
+		//----------------------------------------------------------------------
+
+		"movq      16(%0), %%mm1\n"  // B7G7R7B6G6R6B5G5 -> mm7
+		"paddd     %%mm7,    %%mm6\n"  // U3U2 -> mm6    
+		
+		"movq      %%mm1,    %%mm7\n"  // B7G7R7B6G6R6B5G5 -> mm1
+		"psrad     $15,      %%mm6\n"  // 32-bit scaled U3U2 -> mm6
+		
+		"paddd     %%mm5,    %%mm3\n"  // V3V2 -> mm3
+		"psllq     $16,      %%mm7\n"  // R7B6G6R6B5G500 -> mm7
+		
+		"movq      %%mm7,    %%mm5\n"  // R7B6G6R6B5G500 -> mm5
+		"psrad     $15,      %%mm3\n"  // 32-bit scaled V3V2 -> mm3
+		
+		"movq      %%mm0,    8%5\n"  // 32-bit scaled Y3Y2Y1Y0 -> TEMPY
+		"packssdw  %%mm6,    %%mm2\n"  // 32-bit scaled U3U2U1U0 -> mm2
+		
+		"movq      %5,    %%mm0\n"  // R5B4G4R4 -> mm0
+		
+		"punpcklbw ZEROSX,   %%mm7\n"  // B5G500 -> mm7
+		"movq      %%mm0,    %%mm6\n"  // R5B4G4R4 -> mm6
+		
+		"movq      %%mm2,    16%5\n"  // 32-bit scaled U3U2U1U0 -> TEMPU
+		"psrlq     $32,      %%mm0\n"  // 00R5B4 -> mm0
+		
+		"paddw     %%mm0,    %%mm7\n"  // B5G5R5B4 -> mm7
+		"movq      %%mm6,    %%mm2\n"  // B5B4G4R4 -> mm2
+		
+		"pmaddwd   YR0GRX,   %%mm2\n"  // yrR5,ygG4+yrR4 -> mm2
+		"movq      %%mm7,    %%mm0\n"  // B5G5R5B4 -> mm0
+		
+		"pmaddwd   YBG0BX,   %%mm7\n"  // ybB5+ygG5,ybB4 -> mm7
+		"packssdw  %%mm3,    %%mm4\n"  // 32-bit scaled V3V2V1V0 -> mm4
+
+		//----------------------------------------------------------------------
+		
+		"movq      %%mm4,    24%5\n"  // (V3V2V1V0)/256 -> mm4
+
+		"movq      %%mm6,    %%mm4\n"  // B5B4G4R4 -> mm4
+		
+		"pmaddwd   UR0GRX,   %%mm6\n"  // urR5,ugG4+urR4
+		"movq      %%mm0,    %%mm3\n"  // B5G5R5B4 -> mm0
+		
+		"pmaddwd   UBG0BX,   %%mm0\n"  // ubB5+ugG5,ubB4
+		"paddd     %%mm7,    %%mm2\n"  // Y5Y4 -> mm2
+
+		//----------------------------------------------------------------------
+		
+		"pmaddwd   VR0GRX,   %%mm4\n"  // vrR5,vgG4+vrR4 -> mm4
+		"pxor      %%mm7,    %%mm7\n"  // 0 -> mm7
+		
+		"pmaddwd   VBG0BX,   %%mm3\n"  // vbB5+vgG5,vbB4 -> mm3
+		"punpckhbw %%mm7,    %%mm1\n"  // B7G7R7B6 -> mm1
+		
+		"paddd     %%mm6,    %%mm0\n"  // U5U4 -> mm0
+		"movq      %%mm1,    %%mm6\n"  // B7G7R7B6 -> mm6
+		
+		"pmaddwd   YBG0BX,   %%mm6\n"  // ybB7+ygG7,ybB6 -> mm6
+		"punpckhbw %%mm7,    %%mm5\n"  // R7B6G6R6 -> mm5
+		
+		"movq      %%mm5,    %%mm7\n"  // R7B6G6R6 -> mm7
+		"paddd     %%mm4,    %%mm3\n"  // V5V4 -> mm3
+		
+		"pmaddwd   YR0GRX,   %%mm5\n"  // yrR7,ygG6+yrR6 -> mm5
+		"movq      %%mm1,    %%mm4\n"  // B7G7R7B6 -> mm4
+		
+		"pmaddwd   UBG0BX,   %%mm4\n"  // ubB7+ugG7,ubB6 -> mm4
+		"psrad     $15,      %%mm0\n"  // 32-bit scaled U5U4 -> %%mm0
+		
+		//----------------------------------------------------------------------
+
+ 		"paddd     OFFSETWX, %%mm0\n"  // add offset to U5U4 -> mm0
+		"psrad     $15,      %%mm2\n"  // 32-bit scaled Y5Y4 -> mm2
+		
+		"paddd     %%mm5,    %%mm6\n"  // Y7Y6 -> mm6
+		"movq      %%mm7,    %%mm5\n"  // R7B6G6R6 -> mm5
+		
+		"pmaddwd   UR0GRX,   %%mm7\n"  // urR7,ugG6+ugR6 -> mm7
+		"psrad     $15,      %%mm3\n"  // 32-bit scaled V5V4 -> mm3
+		
+		"pmaddwd   VBG0BX,   %%mm1\n"  // vbB7+vgG7,vbB6 -> mm1
+		"psrad     $15,      %%mm6\n"  // 32-bit scaled Y7Y6 -> mm6
+		
+		"paddd     OFFSETDX, %%mm4\n"  // add offset to U7U6 
+		"packssdw  %%mm6,    %%mm2\n"  // Y7Y6Y5Y4 -> mm2
+		
+		"pmaddwd   VR0GRX,   %%mm5\n"  // vrR7,vgG6+vrR6 -> mm5
+		"paddd     %%mm4,    %%mm7\n"  // U7U6 -> mm7    
+		
+		"psrad     $15,      %%mm7\n"  // 32-bit scaled U7U6 -> mm7
+
+		//----------------------------------------------------------------------
+		
+		"movq      8%5,    %%mm6\n"  // 32-bit scaled Y3Y2Y1Y0 -> mm6
+		"packssdw  %%mm7,    %%mm0\n"  // 32-bit scaled U7U6U5U4 -> mm0
+		
+		"movq      16%5,    %%mm4\n"  // 32-bit scaled U3U2U1U0 -> mm4
+		"packuswb  %%mm2,    %%mm6\n"  // all 8 Y values -> mm6
+		
+		"movq      OFFSETBX, %%mm7\n"  // 128,128,128,128 -> mm7
+		"paddd     %%mm5,    %%mm1\n"  // V7V6 -> mm1
+		
+		"paddw     %%mm7,    %%mm4\n"  // add offset to U3U2U1U0/256 
+		"psrad     $15,      %%mm1\n"  // 32-bit scaled V7V6 -> mm1
+		
+		//----------------------------------------------------------------------
+
+		"movq      %%mm6,  (%1)\n"     // store Y
+		"packuswb  %%mm0,  %%mm4\n"    // all 8 U values -> mm4
+		
+		"movq      24%5,    %%mm5\n"  // 32-bit scaled V3V2V1V0 -> mm5
+		"packssdw  %%mm1,    %%mm3\n"  // V7V6V5V4 -> mm3
+		"paddw     %%mm7,    %%mm5\n"  // add offset to  V3V2V1V0
+		"paddw     %%mm7,    %%mm3\n"  // add offset to  V7V6V5V4
+		
+		"movq      %%mm4,    (%2)\n"   // store U
+		"packuswb  %%mm3,    %%mm5\n"  // ALL 8 V values -> mm5
+
+		"movq      %%mm5,   (%3)\n"    // store V
+
+		"sub       $8,       %4\n"
+  		"jnz       1b\n"
+		"emms\n"
+
+		:
+		: "r" (rgb), "r" (lum), "r" (cr), "r" (cb), "m" (pixel), "m" (buf[0])
+		);
+}
+
+void rgb2yuv24bit_mmx422_row(unsigned char* rgb, unsigned char* lum, unsigned char* cr,
+							 unsigned char* cb, int pixel)
+{
+	unsigned int buf[8];
+
+	// %5 = TEMP0
+	// 8%5 = TEMPY
+	// 16%5 = TEMPU
+	// 24%5 = TEMPV
+
+	__asm__ __volatile__ (
+		"1:\n"
+
+		"movq      (%0), %%mm1\n"  // load G2R2B1G1R1B0G0R0
+		"pxor      %%mm6,   %%mm6\n"  // 0 -> mm6
+		"movq      %%mm1,   %%mm0\n"  // G2R2B1G1R1B0G0R0 -> mm0
+		"psrlq     $16,     %%mm1\n"  // 00G2R2B1G1R1B0 -> mm1
+		"punpcklbw ZEROSX,  %%mm0\n"  // R1B0G0R0 -> mm0
+		"movq      %%mm1,   %%mm7\n"  // 00G2R2B1G1R1B0 -> mm7
+		"punpcklbw ZEROSX,  %%mm1\n"  // B1G1R1B0 -> mm1
+		"movq      %%mm0,   %%mm2\n"  // R1B0G0R0 -> mm2
+		"pmaddwd   YR0GRX,  %%mm0\n"  // yrR1,ygG0+yrR0 -> mm0
+
+		"movq      %%mm1,   %%mm3\n"  // B1G1R1B0 -> mm3
+		"pmaddwd   YBG0BX,  %%mm1\n"  // ybB1+ygG1,ybB0 -> mm1
+		"movq      %%mm2,   %%mm4\n"  // R1B0G0R0 -> mm4
+		"pmaddwd   UR0GRX,  %%mm2\n"  // urR1,ugG0+urR0 -> mm2
+		"movq      %%mm3,   %%mm5\n"  // B1G1R1B0 -> mm5
+		"pmaddwd   UBG0BX,  %%mm3\n"  // ubB1+ugG1,ubB0 -> mm3
+		"punpckhbw %%mm6,   %%mm7\n"  // 00G2R2 -> mm7
+		"pmaddwd   VR0GRX,  %%mm4\n"  // vrR1,vgG0+vrR0 -> mm4
+		"paddd     %%mm1,   %%mm0\n"  // Y1Y0 -> mm0
+
+		"pmaddwd   VBG0BX,  %%mm5\n"  // vbB1+vgG1,vbB0 -> mm5
+
+		"movq      8(%0),%%mm1\n"     // load G2R2B1G1R1B0G0R0
+		"paddd     %%mm3,   %%mm2\n"  // U1U0 -> mm2
+
+		"movq      %%mm1,   %%mm6\n"  // R5B4G4R4B3G3R3B2 -> mm6
+		"punpcklbw ZEROSX,  %%mm1\n"  // B3G3R3B2 -> mm1
+		"paddd     %%mm5,   %%mm4\n"  // V1V0 -> mm4
+
+		//----------------------------------------------------------------------		
+		
+		"movq      %%mm1,   %%mm5\n"  // B3G3R3B2 -> mm5
+		"psllq     $32,     %%mm1\n"  // R3B200 -> mm1
+		
+		"paddd     %%mm7,   %%mm1\n"  // R3B200+00G2R2=R3B2G2R2->mm1
+		
+		"punpckhbw ZEROSX,  %%mm6\n"  // R5B4G4R3 -> mm6
+ 		"movq      %%mm1,   %%mm3\n"  // R3B2G2R2 -> mm3
+		
+ 		"pmaddwd   YR0GRX,  %%mm1\n"  // yrR3,ygG2+yrR2 -> mm1
+ 		"movq      %%mm5,   %%mm7\n"  // B3G3R3B2 -> mm7
+		
+		"pmaddwd   YBG0BX,  %%mm5\n"  // ybB3+ygG3,ybB2 -> mm5
+ 		"psrad     $15,     %%mm0\n"  // 32-bit scaled Y1Y0 -> mm0
+		
+		"movq      %%mm6,   %5\n"  // R5B4G4R4 -> TEMP0
+		"movq      %%mm3,   %%mm6\n"  // R3B2G2R2 -> mm6
+		"pmaddwd   UR0GRX,  %%mm6\n"  // urR3,ugG2+urR2 -> mm6
+		"psrad     $15,     %%mm2\n"  // 32-bit scaled U1U0 -> mm2
+		
+		"paddd     %%mm5,   %%mm1\n"  // Y3Y2 -> mm1
+		"movq      %%mm7,   %%mm5\n"  // B3G3R3B2 -> mm5
+	 	"pmaddwd   UBG0BX,  %%mm7\n"  // ubB3+ugG3,ubB2
+		"psrad     $15,     %%mm1\n"  // 32-bit scaled Y3Y2 -> mm1
+		
+		"pmaddwd   VR0GRX,  %%mm3\n"  // vrR3,vgG2+vgR2
+		"packssdw  %%mm1,   %%mm0\n"  // Y3Y2Y1Y0 -> mm0
+		
+		"pmaddwd   VBG0BX,  %%mm5\n"  // vbB3+vgG3,vbB2 -> mm5
+		"psrad     $15,     %%mm4\n"  // 32-bit scaled V1V0 -> mm4
+
+		//----------------------------------------------------------------------
+
+		"movq      16(%0), %%mm1\n"  // B7G7R7B6G6R6B5G5 -> mm7
+		"paddd     %%mm7,    %%mm6\n"  // U3U2 -> mm6    
+		
+		"movq      %%mm1,    %%mm7\n"  // B7G7R7B6G6R6B5G5 -> mm1
+		"psrad     $15,      %%mm6\n"  // 32-bit scaled U3U2 -> mm6
+		
+		"paddd     %%mm5,    %%mm3\n"  // V3V2 -> mm3
+		"psllq     $16,      %%mm7\n"  // R7B6G6R6B5G500 -> mm7
+		
+		"movq      %%mm7,    %%mm5\n"  // R7B6G6R6B5G500 -> mm5
+		"psrad     $15,      %%mm3\n"  // 32-bit scaled V3V2 -> mm3
+		
+		"movq      %%mm0,    8%5\n"  // 32-bit scaled Y3Y2Y1Y0 -> TEMPY
+		"packssdw  %%mm6,    %%mm2\n"  // 32-bit scaled U3U2U1U0 -> mm2
+		
+		"movq      %5,    %%mm0\n"  // R5B4G4R4 -> mm0
+		
+		"punpcklbw ZEROSX,   %%mm7\n"  // B5G500 -> mm7
+		"movq      %%mm0,    %%mm6\n"  // R5B4G4R4 -> mm6
+		
+		"movq      %%mm2,    16%5\n"  // 32-bit scaled U3U2U1U0 -> TEMPU
+		"psrlq     $32,      %%mm0\n"  // 00R5B4 -> mm0
+		
+		"paddw     %%mm0,    %%mm7\n"  // B5G5R5B4 -> mm7
+		"movq      %%mm6,    %%mm2\n"  // B5B4G4R4 -> mm2
+		
+		"pmaddwd   YR0GRX,   %%mm2\n"  // yrR5,ygG4+yrR4 -> mm2
+		"movq      %%mm7,    %%mm0\n"  // B5G5R5B4 -> mm0
+		
+		"pmaddwd   YBG0BX,   %%mm7\n"  // ybB5+ygG5,ybB4 -> mm7
+		"packssdw  %%mm3,    %%mm4\n"  // 32-bit scaled V3V2V1V0 -> mm4
+
+		//----------------------------------------------------------------------
+		
+		"movq      %%mm4,    24%5\n"  // (V3V2V1V0)/256 -> mm4
+
+		"movq      %%mm6,    %%mm4\n"  // B5B4G4R4 -> mm4
+		
+		"pmaddwd   UR0GRX,   %%mm6\n"  // urR5,ugG4+urR4
+		"movq      %%mm0,    %%mm3\n"  // B5G5R5B4 -> mm0
+		
+		"pmaddwd   UBG0BX,   %%mm0\n"  // ubB5+ugG5,ubB4
+		"paddd     %%mm7,    %%mm2\n"  // Y5Y4 -> mm2
+
+		//----------------------------------------------------------------------
+		
+		"pmaddwd   VR0GRX,   %%mm4\n"  // vrR5,vgG4+vrR4 -> mm4
+		"pxor      %%mm7,    %%mm7\n"  // 0 -> mm7
+		
+		"pmaddwd   VBG0BX,   %%mm3\n"  // vbB5+vgG5,vbB4 -> mm3
+		"punpckhbw %%mm7,    %%mm1\n"  // B7G7R7B6 -> mm1
+		
+		"paddd     %%mm6,    %%mm0\n"  // U5U4 -> mm0
+		"movq      %%mm1,    %%mm6\n"  // B7G7R7B6 -> mm6
+		
+		"pmaddwd   YBG0BX,   %%mm6\n"  // ybB7+ygG7,ybB6 -> mm6
+		"punpckhbw %%mm7,    %%mm5\n"  // R7B6G6R6 -> mm5
+		
+		"movq      %%mm5,    %%mm7\n"  // R7B6G6R6 -> mm7
+		"paddd     %%mm4,    %%mm3\n"  // V5V4 -> mm3
+		
+		"pmaddwd   YR0GRX,   %%mm5\n"  // yrR7,ygG6+yrR6 -> mm5
+		"movq      %%mm1,    %%mm4\n"  // B7G7R7B6 -> mm4
+		
+		"pmaddwd   UBG0BX,   %%mm4\n"  // ubB7+ugG7,ubB6 -> mm4
+		"psrad     $15,      %%mm0\n"  // 32-bit scaled U5U4 -> %%mm0
+		
+		//----------------------------------------------------------------------
+		
+ 		"paddd     OFFSETWX, %%mm0\n"  // add offset to U5U4 -> mm0
+		"psrad     $15,      %%mm2\n"  // 32-bit scaled Y5Y4 -> mm2
+		
+		"paddd     %%mm5,    %%mm6\n"  // Y7Y6 -> mm6
+		"movq      %%mm7,    %%mm5\n"  // R7B6G6R6 -> mm5
+		
+		"pmaddwd   UR0GRX,   %%mm7\n"  // urR7,ugG6+ugR6 -> mm7
+		"psrad     $15,      %%mm3\n"  // 32-bit scaled V5V4 -> mm3
+		
+		"pmaddwd   VBG0BX,   %%mm1\n"  // vbB7+vgG7,vbB6 -> mm1
+		"psrad     $15,      %%mm6\n"  // 32-bit scaled Y7Y6 -> mm6
+		
+		"paddd     OFFSETDX, %%mm4\n"  // add offset to U7U6 
+		"packssdw  %%mm6,    %%mm2\n"  // Y7Y6Y5Y4 -> mm2
+		
+		"pmaddwd   VR0GRX,   %%mm5\n"  // vrR7,vgG6+vrR6 -> mm5
+		"paddd     %%mm4,    %%mm7\n"  // U7U6 -> mm7    
+		
+		"psrad     $15,      %%mm7\n"  // 32-bit scaled U7U6 -> mm7
+
+		//----------------------------------------------------------------------
+		
+		"movq      8%5,    %%mm6\n"  // 32-bit scaled Y3Y2Y1Y0 -> mm6
+		"packssdw  %%mm7,    %%mm0\n"  // 32-bit scaled U7U6U5U4 -> mm0
+		
+		"movq      16%5,    %%mm4\n"  // 32-bit scaled U3U2U1U0 -> mm4
+		"packuswb  %%mm2,    %%mm6\n"  // all 8 Y values -> mm6
+		
+		"movq      OFFSETBX, %%mm7\n"  // 128,128,128,128 -> mm7
+		"paddd     %%mm5,    %%mm1\n"  // V7V6 -> mm1
+		
+		"paddw     %%mm7,    %%mm4\n"  // add offset to U3U2U1U0/256 
+		"psrad     $15,      %%mm1\n"  // 32-bit scaled V7V6 -> mm1
+		
+		//----------------------------------------------------------------------
+
+		"movq      %%mm6,    (%1)\n"     // store Y
+		"packuswb  %%mm0,    %%mm4\n"    // all 8 U values -> mm4
+		
+		"movq      24%5,    %%mm5\n"  // 32-bit scaled V3V2V1V0 -> mm5
+		"packssdw  %%mm1,    %%mm3\n"  // V7V6V5V4 -> mm3
+		"paddw     %%mm7,    %%mm5\n"  // add offset to  V3V2V1V0
+		"paddw     %%mm7,    %%mm3\n"  // add offset to  V7V6V5V4
+		
+		"packuswb  %%mm3,    %%mm5\n"  // ALL 8 V values -> mm5
+
+		// pack U and V
+		"movq      CLEARX, %%mm2\n"
+		"pand      %%mm2, %%mm4\n"
+		"pand      %%mm2, %%mm5\n"
+
+		"packuswb  %%mm5, %%mm4\n" 
+
+		"movd      %%mm4,    (%2)\n"
+		"psrlq     $32,      %%mm4\n"
+		"movd      %%mm4,    (%3)\n"
+
+		"add       $24,      %0\n"
+		"add       $8,       %1\n"
+		"add       $4,       %2\n"
+		"add       $4,       %3\n"
+		
+		"sub       $8,       %4\n"
+  		"jnz       1b\n"
+		"emms\n"
+
+		:
+		: "r" (rgb), "r" (lum), "r" (cr), "r" (cb), "m" (pixel), "m" (buf[0])
+		);
+}
+
+void rgb2yuv32bit_mmx422_row(unsigned char* rgb, unsigned char* lum, unsigned char* cr,
+							 unsigned char* cb, int pixel)
+{
+	unsigned int buf[8];
+
+	// %5 = TEMP0
+	// 8%5 = TEMPY
+	// 16%5 = TEMPU
+	// 24%5 = TEMPV
+
+	__asm__ __volatile__ (
+		"1:\n"
+
+		// pack rgb
+		// was:	"movq      (%0), %%mm1\n"  // load G2R2B1G1R1B0G0R0
+		// ------------------------------
+		// (uses: mm0, mm1)
+		"movd      8(%0),    %%mm0\n"
+		"psllq     $24,      %%mm0\n"  
+  		"movd      4(%0),    %%mm1\n"
+		"por       %%mm1,    %%mm0\n"
+  		"psllq     $24,      %%mm0\n"
+  		"movd      (%0),     %%mm1\n"
+		"por       %%mm0,    %%mm1\n"
+		// ------------------------------
+
+		"pxor      %%mm6,   %%mm6\n"  // 0 -> mm6
+		"movq      %%mm1,   %%mm0\n"  // G2R2B1G1R1B0G0R0 -> mm0
+		"psrlq     $16,     %%mm1\n"  // 00G2R2B1G1R1B0 -> mm1
+		"punpcklbw ZEROSX,  %%mm0\n"  // R1B0G0R0 -> mm0
+		"movq      %%mm1,   %%mm7\n"  // 00G2R2B1G1R1B0 -> mm7
+		"punpcklbw ZEROSX,  %%mm1\n"  // B1G1R1B0 -> mm1
+		"movq      %%mm0,   %%mm2\n"  // R1B0G0R0 -> mm2
+		"pmaddwd   YR0GRX,  %%mm0\n"  // yrR1,ygG0+yrR0 -> mm0
+
+		"movq      %%mm1,   %%mm3\n"  // B1G1R1B0 -> mm3
+		"pmaddwd   YBG0BX,  %%mm1\n"  // ybB1+ygG1,ybB0 -> mm1
+		"movq      %%mm2,   %%mm4\n"  // R1B0G0R0 -> mm4
+		"pmaddwd   UR0GRX,  %%mm2\n"  // urR1,ugG0+urR0 -> mm2
+		"movq      %%mm3,   %%mm5\n"  // B1G1R1B0 -> mm5
+		"pmaddwd   UBG0BX,  %%mm3\n"  // ubB1+ugG1,ubB0 -> mm3
+		"punpckhbw %%mm6,   %%mm7\n"  // 00G2R2 -> mm7
+		"pmaddwd   VR0GRX,  %%mm4\n"  // vrR1,vgG0+vrR0 -> mm4
+		"paddd     %%mm1,   %%mm0\n"  // Y1Y0 -> mm0
+
+		"pmaddwd   VBG0BX,  %%mm5\n"  // vbB1+vgG1,vbB0 -> mm5
+
+		// pack rgb
+		// was:	"movq      8(%0),%%mm1\n"     // R5B4G4R4B3G3R3B2 -> mm1
+		// ------------------------------
+		// (uses: mm1, mm6)
+		"movd      20(%0),  %%mm1\n"
+		"psllq     $24,     %%mm1\n"
+		"movd      16(%0),  %%mm6\n"
+		"por       %%mm6,   %%mm1\n"
+		"psllq     $24,     %%mm1\n"
+ 		"movd      12(%0),  %%mm6\n"
+		"por       %%mm6,   %%mm1\n"
+  		"psllq     $8,      %%mm1\n"	  
+   		"movd      8(%0),   %%mm6\n"
+  		"psrlq     $16,     %%mm6\n"	  
+		"por       %%mm6,   %%mm1\n"
+		// ------------------------------
+
+		"paddd     %%mm3,   %%mm2\n"  // U1U0 -> mm2
+
+		"movq      %%mm1,   %%mm6\n"  // R5B4G4R4B3G3R3B2 -> mm6
+		"punpcklbw ZEROSX,  %%mm1\n"  // B3G3R3B2 -> mm1
+		"paddd     %%mm5,   %%mm4\n"  // V1V0 -> mm4
+
+		//----------------------------------------------------------------------		
+		
+		"movq      %%mm1,   %%mm5\n"  // B3G3R3B2 -> mm5
+		"psllq     $32,     %%mm1\n"  // R3B200 -> mm1
+		
+		"paddd     %%mm7,   %%mm1\n"  // R3B200+00G2R2=R3B2G2R2->mm1
+		
+		"punpckhbw ZEROSX,  %%mm6\n"  // R5B4G4R3 -> mm6
+ 		"movq      %%mm1,   %%mm3\n"  // R3B2G2R2 -> mm3
+		
+ 		"pmaddwd   YR0GRX,  %%mm1\n"  // yrR3,ygG2+yrR2 -> mm1
+ 		"movq      %%mm5,   %%mm7\n"  // B3G3R3B2 -> mm7
+		
+		"pmaddwd   YBG0BX,  %%mm5\n"  // ybB3+ygG3,ybB2 -> mm5
+ 		"psrad     $15,     %%mm0\n"  // 32-bit scaled Y1Y0 -> mm0
+		
+		"movq      %%mm6,   %5\n"  // R5B4G4R4 -> TEMP0
+		"movq      %%mm3,   %%mm6\n"  // R3B2G2R2 -> mm6
+		"pmaddwd   UR0GRX,  %%mm6\n"  // urR3,ugG2+urR2 -> mm6
+		"psrad     $15,     %%mm2\n"  // 32-bit scaled U1U0 -> mm2
+		
+		"paddd     %%mm5,   %%mm1\n"  // Y3Y2 -> mm1
+		"movq      %%mm7,   %%mm5\n"  // B3G3R3B2 -> mm5
+	 	"pmaddwd   UBG0BX,  %%mm7\n"  // ubB3+ugG3,ubB2
+		"psrad     $15,     %%mm1\n"  // 32-bit scaled Y3Y2 -> mm1
+		
+		"pmaddwd   VR0GRX,  %%mm3\n"  // vrR3,vgG2+vgR2
+		"packssdw  %%mm1,   %%mm0\n"  // Y3Y2Y1Y0 -> mm0
+		
+		"pmaddwd   VBG0BX,  %%mm5\n"  // vbB3+vgG3,vbB2 -> mm5
+		"psrad     $15,     %%mm4\n"  // 32-bit scaled V1V0 -> mm4
+
+		//----------------------------------------------------------------------
+
+		"paddd     %%mm7,    %%mm6\n"  // U3U2 -> mm6    
+
+		// pack rgb
+		// was:	"movq      16(%0), %%mm1\n"     // B7G7R7B6G6R6B5G5 -> mm1
+		// ------------------------------
+		// (uses: mm1, mm7)
+		"movd      28(%0),  %%mm1\n"
+		"psllq     $24,     %%mm1\n"
+		"movd      24(%0),  %%mm7\n"
+		"por       %%mm7,   %%mm1\n"
+		"psllq     $16,     %%mm1\n"
+  		"movd      20(%0),  %%mm7\n"
+		"psrlq     $8,      %%mm7\n"	  
+		"por       %%mm7,   %%mm1\n"
+		// ------------------------------
+
+		"movq      %%mm1,    %%mm7\n"  // B7G7R7B6G6R6B5G5 -> mm1
+		"psrad     $15,      %%mm6\n"  // 32-bit scaled U3U2 -> mm6
+
+		"paddd     %%mm5,    %%mm3\n"  // V3V2 -> mm3
+		"psllq     $16,      %%mm7\n"  // R7B6G6R6B5G500 -> mm7
+		
+		"movq      %%mm7,    %%mm5\n"  // R7B6G6R6B5G500 -> mm5
+		"psrad     $15,      %%mm3\n"  // 32-bit scaled V3V2 -> mm3
+		
+		"movq      %%mm0,    8%5\n"  // 32-bit scaled Y3Y2Y1Y0 -> TEMPY
+
+		"packssdw  %%mm6,    %%mm2\n"  // 32-bit scaled U3U2U1U0 -> mm2
+		
+		"movq      %5,    %%mm0\n"  // R5B4G4R4 -> mm0
+		
+		"punpcklbw ZEROSX,   %%mm7\n"  // B5G500 -> mm7
+		"movq      %%mm0,    %%mm6\n"  // R5B4G4R4 -> mm6
+		
+		"movq      %%mm2,    16%5\n"  // 32-bit scaled U3U2U1U0 -> TEMPU
+		"psrlq     $32,      %%mm0\n"  // 00R5B4 -> mm0
+		
+		"paddw     %%mm0,    %%mm7\n"  // B5G5R5B4 -> mm7
+		"movq      %%mm6,    %%mm2\n"  // B5B4G4R4 -> mm2
+		
+		"pmaddwd   YR0GRX,   %%mm2\n"  // yrR5,ygG4+yrR4 -> mm2
+		"movq      %%mm7,    %%mm0\n"  // B5G5R5B4 -> mm0
+		
+		"pmaddwd   YBG0BX,   %%mm7\n"  // ybB5+ygG5,ybB4 -> mm7
+		"packssdw  %%mm3,    %%mm4\n"  // 32-bit scaled V3V2V1V0 -> mm4
+
+		//----------------------------------------------------------------------
+		
+		"movq      %%mm4,    24%5\n"  // (V3V2V1V0)/256 -> mm4
+
+		"movq      %%mm6,    %%mm4\n"  // B5B4G4R4 -> mm4
+		
+		"pmaddwd   UR0GRX,   %%mm6\n"  // urR5,ugG4+urR4
+		"movq      %%mm0,    %%mm3\n"  // B5G5R5B4 -> mm0
+		
+		"pmaddwd   UBG0BX,   %%mm0\n"  // ubB5+ugG5,ubB4
+		"paddd     %%mm7,    %%mm2\n"  // Y5Y4 -> mm2
+
+		//----------------------------------------------------------------------
+		
+		"pmaddwd   VR0GRX,   %%mm4\n"  // vrR5,vgG4+vrR4 -> mm4
+		"pxor      %%mm7,    %%mm7\n"  // 0 -> mm7
+		
+		"pmaddwd   VBG0BX,   %%mm3\n"  // vbB5+vgG5,vbB4 -> mm3
+		"punpckhbw %%mm7,    %%mm1\n"  // B7G7R7B6 -> mm1
+		
+		"paddd     %%mm6,    %%mm0\n"  // U5U4 -> mm0
+		"movq      %%mm1,    %%mm6\n"  // B7G7R7B6 -> mm6
+		
+		"pmaddwd   YBG0BX,   %%mm6\n"  // ybB7+ygG7,ybB6 -> mm6
+		"punpckhbw %%mm7,    %%mm5\n"  // R7B6G6R6 -> mm5
+		
+		"movq      %%mm5,    %%mm7\n"  // R7B6G6R6 -> mm7
+		"paddd     %%mm4,    %%mm3\n"  // V5V4 -> mm3
+		
+		"pmaddwd   YR0GRX,   %%mm5\n"  // yrR7,ygG6+yrR6 -> mm5
+		"movq      %%mm1,    %%mm4\n"  // B7G7R7B6 -> mm4
+		
+		"pmaddwd   UBG0BX,   %%mm4\n"  // ubB7+ugG7,ubB6 -> mm4
+		"psrad     $15,      %%mm0\n"  // 32-bit scaled U5U4 -> %%mm0
+		
+		//----------------------------------------------------------------------
+		
+ 		"paddd     OFFSETWX, %%mm0\n"  // add offset to U5U4 -> mm0
+		"psrad     $15,      %%mm2\n"  // 32-bit scaled Y5Y4 -> mm2
+		
+		"paddd     %%mm5,    %%mm6\n"  // Y7Y6 -> mm6
+		"movq      %%mm7,    %%mm5\n"  // R7B6G6R6 -> mm5
+		
+		"pmaddwd   UR0GRX,   %%mm7\n"  // urR7,ugG6+ugR6 -> mm7
+		"psrad     $15,      %%mm3\n"  // 32-bit scaled V5V4 -> mm3
+		
+		"pmaddwd   VBG0BX,   %%mm1\n"  // vbB7+vgG7,vbB6 -> mm1
+		"psrad     $15,      %%mm6\n"  // 32-bit scaled Y7Y6 -> mm6
+		
+		"paddd     OFFSETDX, %%mm4\n"  // add offset to U7U6 
+		"packssdw  %%mm6,    %%mm2\n"  // Y7Y6Y5Y4 -> mm2
+		
+		"pmaddwd   VR0GRX,   %%mm5\n"  // vrR7,vgG6+vrR6 -> mm5
+		"paddd     %%mm4,    %%mm7\n"  // U7U6 -> mm7    
+		
+		"psrad     $15,      %%mm7\n"  // 32-bit scaled U7U6 -> mm7
+
+		//----------------------------------------------------------------------
+		
+		"movq      8%5,    %%mm6\n"  // 32-bit scaled Y3Y2Y1Y0 -> mm6
+		"packssdw  %%mm7,    %%mm0\n"  // 32-bit scaled U7U6U5U4 -> mm0
+		
+		"movq      16%5,    %%mm4\n"  // 32-bit scaled U3U2U1U0 -> mm4
+		"packuswb  %%mm2,    %%mm6\n"  // all 8 Y values -> mm6
+		
+		"movq      OFFSETBX, %%mm7\n"  // 128,128,128,128 -> mm7
+		"paddd     %%mm5,    %%mm1\n"  // V7V6 -> mm1
+		
+		"paddw     %%mm7,    %%mm4\n"  // add offset to U3U2U1U0/256 
+		"psrad     $15,      %%mm1\n"  // 32-bit scaled V7V6 -> mm1
+		
+		//----------------------------------------------------------------------
+
+		"movq      %%mm6,    (%1)\n"     // store Y
+
+		"packuswb  %%mm0,    %%mm4\n"    // all 8 U values -> mm4
+		"movq      24%5,    %%mm5\n"  // 32-bit scaled V3V2V1V0 -> mm5
+
+		"packssdw  %%mm1,    %%mm3\n"  // V7V6V5V4 -> mm3
+		"paddw     %%mm7,    %%mm5\n"  // add offset to  V3V2V1V0
+		"paddw     %%mm7,    %%mm3\n"  // add offset to  V7V6V5V4
+		
+		"packuswb  %%mm3,    %%mm5\n"  // ALL 8 V values -> mm5
+
+		"movq      CLEARX, %%mm2\n"
+		"pand      %%mm2, %%mm4\n"
+		"pand      %%mm2, %%mm5\n"
+
+		"packuswb  %%mm5, %%mm4\n" 
+
+		"movd      %%mm4,    (%2)\n"
+		"psrlq     $32,      %%mm4\n"
+		"movd      %%mm4,    (%3)\n"
+
+		"add       $32,      %0\n"
+		"add       $8,       %1\n"
+		"add       $4,       %2\n"
+		"add       $4,       %3\n"
+		
+		"sub       $8,       %4\n"
+  		"jnz       1b\n"
+
+		"emms\n"
+
+		:
+		: "r" (rgb), "r" (lum), "r" (cr), "r" (cb), "m" (pixel), "m" (buf[0])
+
+		);
+}
+
+void rgb2y24bit_mmx_row(unsigned char* rgbSource, unsigned char* lum, int pixel)
+{
+	unsigned int buf[4];
+
+	// %3 = TEMP0
+	// 8%3 = TEMPY
+
+	__asm__ __volatile__ (
+		"1:\n"
+
+		"movq      (%0), %%mm1\n"  // load G2R2B1G1R1B0G0R0
+		"pxor      %%mm6,   %%mm6\n"  // 0 -> mm6
+		"movq      %%mm1,   %%mm0\n"  // G2R2B1G1R1B0G0R0 -> mm0
+		"psrlq     $16,     %%mm1\n"  // 00G2R2B1G1R1B0 -> mm1
+		"punpcklbw ZEROSX,  %%mm0\n"  // R1B0G0R0 -> mm0
+		"movq      %%mm1,   %%mm7\n"  // 00G2R2B1G1R1B0 -> mm7
+		"punpcklbw ZEROSX,  %%mm1\n"  // B1G1R1B0 -> mm1
+		"movq      %%mm0,   %%mm2\n"  // R1B0G0R0 -> mm2
+		"pmaddwd   YR0GRX,  %%mm0\n"  // yrR1,ygG0+yrR0 -> mm0
+		"movq      %%mm1,   %%mm3\n"  // B1G1R1B0 -> mm3
+		"pmaddwd   YBG0BX,  %%mm1\n"  // ybB1+ygG1,ybB0 -> mm1
+		"movq      %%mm2,   %%mm4\n"  // R1B0G0R0 -> mm4
+		"movq      %%mm3,   %%mm5\n"  // B1G1R1B0 -> mm5
+		"punpckhbw %%mm6,   %%mm7\n"  // 00G2R2 -> mm7
+		"paddd     %%mm1,   %%mm0\n"  // Y1Y0 -> mm0
+
+		"movq      8(%0),%%mm1\n"     // load G2R2B1G1R1B0G0R0
+
+		"movq      %%mm1,   %%mm6\n"  // R5B4G4R4B3G3R3B2 -> mm6
+		"punpcklbw ZEROSX,  %%mm1\n"  // B3G3R3B2 -> mm1
+
+		//----------------------------------------------------------------------		
+		
+		"movq      %%mm1,   %%mm5\n"  // B3G3R3B2 -> mm5
+		"psllq     $32,     %%mm1\n"  // R3B200 -> mm1
+		
+		"paddd     %%mm7,   %%mm1\n"  // R3B200+00G2R2=R3B2G2R2->mm1
+		
+		"punpckhbw ZEROSX,  %%mm6\n"  // R5B4G4R3 -> mm6
+ 		"movq      %%mm1,   %%mm3\n"  // R3B2G2R2 -> mm3
+		
+ 		"pmaddwd   YR0GRX,  %%mm1\n"  // yrR3,ygG2+yrR2 -> mm1
+ 		"movq      %%mm5,   %%mm7\n"  // B3G3R3B2 -> mm7
+		
+		"pmaddwd   YBG0BX,  %%mm5\n"  // ybB3+ygG3,ybB2 -> mm5
+ 		"psrad     $15,     %%mm0\n"  // 32-bit scaled Y1Y0 -> mm0
+		
+		"movq      %%mm6,   %3\n"  // R5B4G4R4 -> TEMP0
+		"movq      %%mm3,   %%mm6\n"  // R3B2G2R2 -> mm6
+		
+		"paddd     %%mm5,   %%mm1\n"  // Y3Y2 -> mm1
+		"movq      %%mm7,   %%mm5\n"  // B3G3R3B2 -> mm5
+		"psrad     $15,     %%mm1\n"  // 32-bit scaled Y3Y2 -> mm1
+		
+		"packssdw  %%mm1,   %%mm0\n"  // Y3Y2Y1Y0 -> mm0
+
+		//----------------------------------------------------------------------
+
+		"movq      16(%0), %%mm1\n"  // B7G7R7B6G6R6B5G5 -> mm7
+		
+		"movq      %%mm1,    %%mm7\n"  // B7G7R7B6G6R6B5G5 -> mm1
+		
+		"psllq     $16,      %%mm7\n"  // R7B6G6R6B5G500 -> mm7
+		
+		"movq      %%mm7,    %%mm5\n"  // R7B6G6R6B5G500 -> mm5
+		
+		"movq      %%mm0,    8%3\n"  // 32-bit scaled Y3Y2Y1Y0 -> TEMPY
+		
+		"movq      %3,    %%mm0\n"  // R5B4G4R4 -> mm0
+		
+		"punpcklbw ZEROSX,   %%mm7\n"  // B5G500 -> mm7
+		"movq      %%mm0,    %%mm6\n"  // R5B4G4R4 -> mm6
+		
+		"psrlq     $32,      %%mm0\n"  // 00R5B4 -> mm0
+		
+		"paddw     %%mm0,    %%mm7\n"  // B5G5R5B4 -> mm7
+		"movq      %%mm6,    %%mm2\n"  // B5B4G4R4 -> mm2
+		
+		"pmaddwd   YR0GRX,   %%mm2\n"  // yrR5,ygG4+yrR4 -> mm2
+		
+		"pmaddwd   YBG0BX,   %%mm7\n"  // ybB5+ygG5,ybB4 -> mm7
+
+		//----------------------------------------------------------------------
+		"paddd     %%mm7,    %%mm2\n"  // Y5Y4 -> mm2
+
+		//----------------------------------------------------------------------
+		
+		"pxor      %%mm7,    %%mm7\n"  // 0 -> mm7
+		
+		"punpckhbw %%mm7,    %%mm1\n"  // B7G7R7B6 -> mm1
+		
+		"movq      %%mm1,    %%mm6\n"  // B7G7R7B6 -> mm6
+		
+		"pmaddwd   YBG0BX,   %%mm6\n"  // ybB7+ygG7,ybB6 -> mm6
+		"punpckhbw %%mm7,    %%mm5\n"  // R7B6G6R6 -> mm5
+		
+		"pmaddwd   YR0GRX,   %%mm5\n"  // yrR7,ygG6+yrR6 -> mm5
+		
+		//----------------------------------------------------------------------
+
+		"psrad     $15,      %%mm2\n"  // 32-bit scaled Y5Y4 -> mm2
+		
+		"paddd     %%mm5,    %%mm6\n"  // Y7Y6 -> mm6
+		"psrad     $15,      %%mm6\n"  // 32-bit scaled Y7Y6 -> mm6
+		
+		"packssdw  %%mm6,    %%mm2\n"  // Y7Y6Y5Y4 -> mm2
+
+		//----------------------------------------------------------------------
+		
+		"movq      8%3,    %%mm6\n"  // 32-bit scaled Y3Y2Y1Y0 -> mm6
+  		"packuswb  %%mm2,    %%mm6\n"  // all 8 Y values -> mm6
+		
+		//----------------------------------------------------------------------
+
+		"movq      %%mm6,  (%1)\n"     // store Y
+		
+		"add       $24,    %0\n"
+		"add       $8,     %1\n"
+		
+		"sub       $8,     %2\n"
+  		"jnz       1b\n"
+		"emms\n"
+
+		:
+		: "r" (rgbSource), "r" (lum), "m" (pixel), "m" (buf[0])
+		
+		);
+}
+
+void rgb2y32bit_mmx_row(unsigned char* rgbSource, unsigned char* lum, int pixel)
+{
+	unsigned int buf[4];
+
+	// %3 = TEMP0
+	// 8%3 = TEMPY
+
+	__asm__ __volatile__ (
+		"1:\n"
+
+		// pack rgb
+		// was:	"movq      (%0), %%mm1\n"  // load G2R2B1G1R1B0G0R0
+		// ------------------------------
+		// (uses: mm0, mm1)
+		"movd      8(%0),    %%mm0\n"
+		"psllq     $24,      %%mm0\n"  
+  		"movd      4(%0),    %%mm1\n"
+		"por       %%mm1,    %%mm0\n"
+  		"psllq     $24,      %%mm0\n"
+  		"movd      (%0),     %%mm1\n"
+		"por       %%mm0,    %%mm1\n"
+		// ------------------------------
+
+		"pxor      %%mm6,   %%mm6\n"  // 0 -> mm6
+		"movq      %%mm1,   %%mm0\n"  // G2R2B1G1R1B0G0R0 -> mm0
+		"psrlq     $16,     %%mm1\n"  // 00G2R2B1G1R1B0 -> mm1
+		"punpcklbw ZEROSX,  %%mm0\n"  // R1B0G0R0 -> mm0
+		"movq      %%mm1,   %%mm7\n"  // 00G2R2B1G1R1B0 -> mm7
+		"punpcklbw ZEROSX,  %%mm1\n"  // B1G1R1B0 -> mm1
+		"movq      %%mm0,   %%mm2\n"  // R1B0G0R0 -> mm2
+		"pmaddwd   YR0GRX,  %%mm0\n"  // yrR1,ygG0+yrR0 -> mm0
+		"movq      %%mm1,   %%mm3\n"  // B1G1R1B0 -> mm3
+		"pmaddwd   YBG0BX,  %%mm1\n"  // ybB1+ygG1,ybB0 -> mm1
+		"movq      %%mm2,   %%mm4\n"  // R1B0G0R0 -> mm4
+		"movq      %%mm3,   %%mm5\n"  // B1G1R1B0 -> mm5
+		"punpckhbw %%mm6,   %%mm7\n"  // 00G2R2 -> mm7
+		"paddd     %%mm1,   %%mm0\n"  // Y1Y0 -> mm0
+
+		// pack rgb
+		// was:	"movq      8(%0),%%mm1\n"     // R5B4G4R4B3G3R3B2 -> mm1
+		// ------------------------------
+		// (uses: mm1, mm6)
+		"movd      20(%0),  %%mm1\n"
+		"psllq     $24,     %%mm1\n"
+		"movd      16(%0),  %%mm6\n"
+		"por       %%mm6,   %%mm1\n"
+		"psllq     $24,     %%mm1\n"
+ 		"movd      12(%0),  %%mm6\n"
+		"por       %%mm6,   %%mm1\n"
+  		"psllq     $8,      %%mm1\n"	  
+   		"movd      8(%0),   %%mm6\n"
+  		"psrlq     $16,     %%mm6\n"	  
+		"por       %%mm6,   %%mm1\n"
+		// ------------------------------
+
+		"movq      %%mm1,   %%mm6\n"  // R5B4G4R4B3G3R3B2 -> mm6
+		"punpcklbw ZEROSX,  %%mm1\n"  // B3G3R3B2 -> mm1
+
+		//----------------------------------------------------------------------		
+		
+		"movq      %%mm1,   %%mm5\n"  // B3G3R3B2 -> mm5
+		"psllq     $32,     %%mm1\n"  // R3B200 -> mm1
+		
+		"paddd     %%mm7,   %%mm1\n"  // R3B200+00G2R2=R3B2G2R2->mm1
+		
+		"punpckhbw ZEROSX,  %%mm6\n"  // R5B4G4R3 -> mm6
+ 		"movq      %%mm1,   %%mm3\n"  // R3B2G2R2 -> mm3
+		
+ 		"pmaddwd   YR0GRX,  %%mm1\n"  // yrR3,ygG2+yrR2 -> mm1
+ 		"movq      %%mm5,   %%mm7\n"  // B3G3R3B2 -> mm7
+		
+		"pmaddwd   YBG0BX,  %%mm5\n"  // ybB3+ygG3,ybB2 -> mm5
+ 		"psrad     $15,     %%mm0\n"  // 32-bit scaled Y1Y0 -> mm0
+		
+		"movq      %%mm6,   %3\n"  // R5B4G4R4 -> TEMP0
+		"movq      %%mm3,   %%mm6\n"  // R3B2G2R2 -> mm6
+		
+		"paddd     %%mm5,   %%mm1\n"  // Y3Y2 -> mm1
+		"movq      %%mm7,   %%mm5\n"  // B3G3R3B2 -> mm5
+		"psrad     $15,     %%mm1\n"  // 32-bit scaled Y3Y2 -> mm1
+		
+		"packssdw  %%mm1,   %%mm0\n"  // Y3Y2Y1Y0 -> mm0
+
+		//----------------------------------------------------------------------
+
+		// pack rgb
+		// was:	"movq      16(%0), %%mm1\n"     // B7G7R7B6G6R6B5G5 -> mm1
+		// ------------------------------
+		// (uses: mm1, mm7)
+		"movd      28(%0),  %%mm1\n"
+		"psllq     $24,     %%mm1\n"
+		"movd      24(%0),  %%mm7\n"
+		"por       %%mm7,   %%mm1\n"
+		"psllq     $16,     %%mm1\n"
+  		"movd      20(%0),  %%mm7\n"
+		"psrlq     $8,      %%mm7\n"	  
+		"por       %%mm7,   %%mm1\n"
+		// ------------------------------
+		
+		"movq      %%mm1,    %%mm7\n"  // B7G7R7B6G6R6B5G5 -> mm1
+		
+		"psllq     $16,      %%mm7\n"  // R7B6G6R6B5G500 -> mm7
+		
+		"movq      %%mm7,    %%mm5\n"  // R7B6G6R6B5G500 -> mm5
+		
+		"movq      %%mm0,    8%3\n"  // 32-bit scaled Y3Y2Y1Y0 -> TEMPY
+		
+		"movq      %3,    %%mm0\n"  // R5B4G4R4 -> mm0
+		
+		"punpcklbw ZEROSX,   %%mm7\n"  // B5G500 -> mm7
+		"movq      %%mm0,    %%mm6\n"  // R5B4G4R4 -> mm6
+		
+		"psrlq     $32,      %%mm0\n"  // 00R5B4 -> mm0
+		
+		"paddw     %%mm0,    %%mm7\n"  // B5G5R5B4 -> mm7
+		"movq      %%mm6,    %%mm2\n"  // B5B4G4R4 -> mm2
+		
+		"pmaddwd   YR0GRX,   %%mm2\n"  // yrR5,ygG4+yrR4 -> mm2
+		
+		"pmaddwd   YBG0BX,   %%mm7\n"  // ybB5+ygG5,ybB4 -> mm7
+
+		//----------------------------------------------------------------------
+		"paddd     %%mm7,    %%mm2\n"  // Y5Y4 -> mm2
+		
+		//----------------------------------------------------------------------
+		
+		"pxor      %%mm7,    %%mm7\n"  // 0 -> mm7
+		
+		"punpckhbw %%mm7,    %%mm1\n"  // B7G7R7B6 -> mm1
+		
+		"movq      %%mm1,    %%mm6\n"  // B7G7R7B6 -> mm6
+		
+		"pmaddwd   YBG0BX,   %%mm6\n"  // ybB7+ygG7,ybB6 -> mm6
+		"punpckhbw %%mm7,    %%mm5\n"  // R7B6G6R6 -> mm5
+		
+		"pmaddwd   YR0GRX,   %%mm5\n"  // yrR7,ygG6+yrR6 -> mm5
+		
+		//----------------------------------------------------------------------
+
+		"psrad     $15,      %%mm2\n"  // 32-bit scaled Y5Y4 -> mm2
+		
+		"paddd     %%mm5,    %%mm6\n"  // Y7Y6 -> mm6
+		"psrad     $15,      %%mm6\n"  // 32-bit scaled Y7Y6 -> mm6
+		
+		"packssdw  %%mm6,    %%mm2\n"  // Y7Y6Y5Y4 -> mm2
+
+		//----------------------------------------------------------------------
+		
+		"movq      8%3,    %%mm6\n"  // 32-bit scaled Y3Y2Y1Y0 -> mm6
+  		"packuswb  %%mm2,    %%mm6\n"  // all 8 Y values -> mm6
+		
+		//----------------------------------------------------------------------
+
+		"movq      %%mm6,  (%1)\n"     // store Y
+		
+		"add       $32,    %0\n"
+		"add       $8,     %1\n"
+		
+		"sub       $8,     %2\n"
+  		"jnz       1b\n"
+		"emms\n"
+
+		:
+		: "r" (rgbSource), "r" (lum), "r" (pixel), "m" (buf[0])
+		
+		);
+}
+
+#endif
+// INTEL
+
-- 
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