]> git.sesse.net Git - ffmpeg/blobdiff - postproc/swscale_template.c
passing an array or double precission parameters for the scaling function, instead...
[ffmpeg] / postproc / swscale_template.c
index 91461027eef964a94b0234d9153753515172a2c5..000f2e291ebd63ae2ebc78328cf426b29e17f731 100644 (file)
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2001-2002 Michael Niedermayer <michaelni@gmx.at>
+    Copyright (C) 2001-2003 Michael Niedermayer <michaelni@gmx.at>
 
     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
 #define MOVNTQ(a,b) "movq " #a ", " #b " \n\t"
 #endif
 
-#define YSCALEYUV2YV12X(x) \
+#ifdef HAVE_ALTIVEC
+#include "swscale_altivec_template.c"
+#endif
+
+#define YSCALEYUV2YV12X(x, offset) \
                        "xorl %%eax, %%eax              \n\t"\
-                       "pxor %%mm3, %%mm3              \n\t"\
-                       "pxor %%mm4, %%mm4              \n\t"\
-                       "movl %0, %%edx                 \n\t"\
+                       "movq "VROUNDER_OFFSET"(%0), %%mm3\n\t"\
+                       "movq %%mm3, %%mm4              \n\t"\
+                       "leal " offset "(%0), %%edx     \n\t"\
+                       "movl (%%edx), %%esi            \n\t"\
                        ".balign 16                     \n\t" /* FIXME Unroll? */\
                        "1:                             \n\t"\
-                       "movl (%1, %%edx, 4), %%esi     \n\t"\
-                       "movq (%2, %%edx, 8), %%mm0     \n\t" /* filterCoeff */\
+                       "movq 8(%%edx), %%mm0           \n\t" /* filterCoeff */\
                        "movq " #x "(%%esi, %%eax, 2), %%mm2    \n\t" /* srcData */\
                        "movq 8+" #x "(%%esi, %%eax, 2), %%mm5  \n\t" /* srcData */\
+                       "addl $16, %%edx                \n\t"\
+                       "movl (%%edx), %%esi            \n\t"\
+                       "testl %%esi, %%esi             \n\t"\
                        "pmulhw %%mm0, %%mm2            \n\t"\
                        "pmulhw %%mm0, %%mm5            \n\t"\
                        "paddw %%mm2, %%mm3             \n\t"\
                        "paddw %%mm5, %%mm4             \n\t"\
-                       "addl $1, %%edx                 \n\t"\
                        " jnz 1b                        \n\t"\
                        "psraw $3, %%mm3                \n\t"\
                        "psraw $3, %%mm4                \n\t"\
                        "packuswb %%mm4, %%mm3          \n\t"\
-                       MOVNTQ(%%mm3, (%3, %%eax))\
+                       MOVNTQ(%%mm3, (%1, %%eax))\
                        "addl $8, %%eax                 \n\t"\
-                       "cmpl %4, %%eax                 \n\t"\
-                       "pxor %%mm3, %%mm3              \n\t"\
-                       "pxor %%mm4, %%mm4              \n\t"\
-                       "movl %0, %%edx                 \n\t"\
+                       "cmpl %2, %%eax                 \n\t"\
+                       "movq "VROUNDER_OFFSET"(%0), %%mm3\n\t"\
+                       "movq %%mm3, %%mm4              \n\t"\
+                       "leal " offset "(%0), %%edx     \n\t"\
+                       "movl (%%edx), %%esi            \n\t"\
                        "jb 1b                          \n\t"
 
 #define YSCALEYUV2YV121 \
                           "m" (lumSrc+lumFilterSize), "m" (chrSrc+chrFilterSize)
                        : "%eax", "%ebx", "%ecx", "%edx", "%esi"
 */
-#define YSCALEYUV2RGBX \
+#define YSCALEYUV2PACKEDX \
                "xorl %%eax, %%eax              \n\t"\
                ".balign 16                     \n\t"\
+               "nop                            \n\t"\
                "1:                             \n\t"\
-               "movl %1, %%edx                 \n\t" /* -chrFilterSize */\
-               "movl %3, %%ebx                 \n\t" /* chrMmxFilter+chrFilterSize */\
-               "movl %7, %%ecx                 \n\t" /* chrSrc+chrFilterSize */\
-               "pxor %%mm3, %%mm3              \n\t"\
-               "pxor %%mm4, %%mm4              \n\t"\
+               "leal "CHR_MMX_FILTER_OFFSET"(%0), %%edx        \n\t"\
+               "movl (%%edx), %%esi            \n\t"\
+               "movq "VROUNDER_OFFSET"(%0), %%mm3\n\t"\
+               "movq %%mm3, %%mm4              \n\t"\
+               ".balign 16                     \n\t"\
                "2:                             \n\t"\
-               "movl (%%ecx, %%edx, 4), %%esi  \n\t"\
-               "movq (%%ebx, %%edx, 8), %%mm0  \n\t" /* filterCoeff */\
+               "movq 8(%%edx), %%mm0           \n\t" /* filterCoeff */\
                "movq (%%esi, %%eax), %%mm2     \n\t" /* UsrcData */\
                "movq 4096(%%esi, %%eax), %%mm5 \n\t" /* VsrcData */\
+               "addl $16, %%edx                \n\t"\
+               "movl (%%edx), %%esi            \n\t"\
                "pmulhw %%mm0, %%mm2            \n\t"\
                "pmulhw %%mm0, %%mm5            \n\t"\
                "paddw %%mm2, %%mm3             \n\t"\
                "paddw %%mm5, %%mm4             \n\t"\
-               "addl $1, %%edx                 \n\t"\
+               "testl %%esi, %%esi             \n\t"\
                " jnz 2b                        \n\t"\
 \
-               "movl %0, %%edx                 \n\t" /* -lumFilterSize */\
-               "movl %2, %%ebx                 \n\t" /* lumMmxFilter+lumFilterSize */\
-               "movl %6, %%ecx                 \n\t" /* lumSrc+lumFilterSize */\
-               "pxor %%mm1, %%mm1              \n\t"\
-               "pxor %%mm7, %%mm7              \n\t"\
+               "leal "LUM_MMX_FILTER_OFFSET"(%0), %%edx        \n\t"\
+               "movl (%%edx), %%esi            \n\t"\
+               "movq "VROUNDER_OFFSET"(%0), %%mm1\n\t"\
+               "movq %%mm1, %%mm7              \n\t"\
+               ".balign 16                     \n\t"\
                "2:                             \n\t"\
-               "movl (%%ecx, %%edx, 4), %%esi  \n\t"\
-               "movq (%%ebx, %%edx, 8), %%mm0  \n\t" /* filterCoeff */\
+               "movq 8(%%edx), %%mm0           \n\t" /* filterCoeff */\
                "movq (%%esi, %%eax, 2), %%mm2  \n\t" /* Y1srcData */\
                "movq 8(%%esi, %%eax, 2), %%mm5 \n\t" /* Y2srcData */\
+               "addl $16, %%edx                \n\t"\
+               "movl (%%edx), %%esi            \n\t"\
                "pmulhw %%mm0, %%mm2            \n\t"\
                "pmulhw %%mm0, %%mm5            \n\t"\
                "paddw %%mm2, %%mm1             \n\t"\
                "paddw %%mm5, %%mm7             \n\t"\
-               "addl $1, %%edx                 \n\t"\
+               "testl %%esi, %%esi             \n\t"\
                " jnz 2b                        \n\t"\
-\
-               "psubw "MANGLE(w400)", %%mm3    \n\t" /* (U-128)8*/\
-               "psubw "MANGLE(w400)", %%mm4    \n\t" /* (V-128)8*/\
+
+
+#define YSCALEYUV2RGBX \
+               YSCALEYUV2PACKEDX\
+               "psubw "U_OFFSET"(%0), %%mm3    \n\t" /* (U-128)8*/\
+               "psubw "V_OFFSET"(%0), %%mm4    \n\t" /* (V-128)8*/\
                "movq %%mm3, %%mm2              \n\t" /* (U-128)8*/\
                "movq %%mm4, %%mm5              \n\t" /* (V-128)8*/\
-               "pmulhw "MANGLE(ugCoeff)", %%mm3\n\t"\
-               "pmulhw "MANGLE(vgCoeff)", %%mm4\n\t"\
+               "pmulhw "UG_COEFF"(%0), %%mm3   \n\t"\
+               "pmulhw "VG_COEFF"(%0), %%mm4   \n\t"\
        /* mm2=(U-128)8, mm3=ug, mm4=vg mm5=(V-128)8 */\
-               "pmulhw "MANGLE(ubCoeff)", %%mm2\n\t"\
-               "pmulhw "MANGLE(vrCoeff)", %%mm5\n\t"\
-               "psubw "MANGLE(w80)", %%mm1     \n\t" /* 8(Y-16)*/\
-               "psubw "MANGLE(w80)", %%mm7     \n\t" /* 8(Y-16)*/\
-               "pmulhw "MANGLE(yCoeff)", %%mm1 \n\t"\
-               "pmulhw "MANGLE(yCoeff)", %%mm7 \n\t"\
+               "pmulhw "UB_COEFF"(%0), %%mm2   \n\t"\
+               "pmulhw "VR_COEFF"(%0), %%mm5   \n\t"\
+               "psubw "Y_OFFSET"(%0), %%mm1    \n\t" /* 8(Y-16)*/\
+               "psubw "Y_OFFSET"(%0), %%mm7    \n\t" /* 8(Y-16)*/\
+               "pmulhw "Y_COEFF"(%0), %%mm1    \n\t"\
+               "pmulhw "Y_COEFF"(%0), %%mm7    \n\t"\
        /* mm1= Y1, mm2=ub, mm3=ug, mm4=vg mm5=vr, mm7=Y2 */\
                "paddw %%mm3, %%mm4             \n\t"\
                "movq %%mm2, %%mm0              \n\t"\
                "packuswb %%mm6, %%mm5          \n\t"\
                "packuswb %%mm3, %%mm4          \n\t"\
                "pxor %%mm7, %%mm7              \n\t"
-
+#if 0
 #define FULL_YSCALEYUV2RGB \
                "pxor %%mm7, %%mm7              \n\t"\
                "movd %6, %%mm6                 \n\t" /*yalpha1*/\
                "paddw %%mm2, %%mm1             \n\t" /* G*/\
 \
                "packuswb %%mm1, %%mm1          \n\t"
+#endif
 
-#define YSCALEYUV2RGB \
-               "movd %6, %%mm6                 \n\t" /*yalpha1*/\
-               "punpcklwd %%mm6, %%mm6         \n\t"\
-               "punpcklwd %%mm6, %%mm6         \n\t"\
-               "movq %%mm6, 3968(%2)           \n\t"\
-               "movd %7, %%mm5                 \n\t" /*uvalpha1*/\
-               "punpcklwd %%mm5, %%mm5         \n\t"\
-               "punpcklwd %%mm5, %%mm5         \n\t"\
-               "movq %%mm5, 3976(%2)           \n\t"\
-               "xorl %%eax, %%eax              \n\t"\
+#define YSCALEYUV2PACKED(index, c) \
+               "movq "CHR_MMX_FILTER_OFFSET"+8("#c"), %%mm0\n\t"\
+               "movq "LUM_MMX_FILTER_OFFSET"+8("#c"), %%mm1\n\t"\
+               "psraw $3, %%mm0                \n\t"\
+               "psraw $3, %%mm1                \n\t"\
+               "movq %%mm0, "CHR_MMX_FILTER_OFFSET"+8("#c")\n\t"\
+               "movq %%mm1, "LUM_MMX_FILTER_OFFSET"+8("#c")\n\t"\
+               "xorl "#index", "#index"                \n\t"\
                ".balign 16                     \n\t"\
                "1:                             \n\t"\
-               "movq (%2, %%eax), %%mm2        \n\t" /* uvbuf0[eax]*/\
-               "movq (%3, %%eax), %%mm3        \n\t" /* uvbuf1[eax]*/\
-               "movq 4096(%2, %%eax), %%mm5    \n\t" /* uvbuf0[eax+2048]*/\
-               "movq 4096(%3, %%eax), %%mm4    \n\t" /* uvbuf1[eax+2048]*/\
+               "movq (%2, "#index"), %%mm2     \n\t" /* uvbuf0[eax]*/\
+               "movq (%3, "#index"), %%mm3     \n\t" /* uvbuf1[eax]*/\
+               "movq 4096(%2, "#index"), %%mm5 \n\t" /* uvbuf0[eax+2048]*/\
+               "movq 4096(%3, "#index"), %%mm4 \n\t" /* uvbuf1[eax+2048]*/\
                "psubw %%mm3, %%mm2             \n\t" /* uvbuf0[eax] - uvbuf1[eax]*/\
                "psubw %%mm4, %%mm5             \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048]*/\
-               "movq 3976(%2), %%mm0           \n\t"\
+               "movq "CHR_MMX_FILTER_OFFSET"+8("#c"), %%mm0\n\t"\
+               "pmulhw %%mm0, %%mm2            \n\t" /* (uvbuf0[eax] - uvbuf1[eax])uvalpha1>>16*/\
+               "pmulhw %%mm0, %%mm5            \n\t" /* (uvbuf0[eax+2048] - uvbuf1[eax+2048])uvalpha1>>16*/\
+               "psraw $7, %%mm3                \n\t" /* uvbuf0[eax] - uvbuf1[eax] >>4*/\
+               "psraw $7, %%mm4                \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048] >>4*/\
+               "paddw %%mm2, %%mm3             \n\t" /* uvbuf0[eax]uvalpha1 - uvbuf1[eax](1-uvalpha1)*/\
+               "paddw %%mm5, %%mm4             \n\t" /* uvbuf0[eax+2048]uvalpha1 - uvbuf1[eax+2048](1-uvalpha1)*/\
+               "movq (%0, "#index", 2), %%mm0  \n\t" /*buf0[eax]*/\
+               "movq (%1, "#index", 2), %%mm1  \n\t" /*buf1[eax]*/\
+               "movq 8(%0, "#index", 2), %%mm6 \n\t" /*buf0[eax]*/\
+               "movq 8(%1, "#index", 2), %%mm7 \n\t" /*buf1[eax]*/\
+               "psubw %%mm1, %%mm0             \n\t" /* buf0[eax] - buf1[eax]*/\
+               "psubw %%mm7, %%mm6             \n\t" /* buf0[eax] - buf1[eax]*/\
+               "pmulhw "LUM_MMX_FILTER_OFFSET"+8("#c"), %%mm0\n\t" /* (buf0[eax] - buf1[eax])yalpha1>>16*/\
+               "pmulhw "LUM_MMX_FILTER_OFFSET"+8("#c"), %%mm6\n\t" /* (buf0[eax] - buf1[eax])yalpha1>>16*/\
+               "psraw $7, %%mm1                \n\t" /* buf0[eax] - buf1[eax] >>4*/\
+               "psraw $7, %%mm7                \n\t" /* buf0[eax] - buf1[eax] >>4*/\
+               "paddw %%mm0, %%mm1             \n\t" /* buf0[eax]yalpha1 + buf1[eax](1-yalpha1) >>16*/\
+               "paddw %%mm6, %%mm7             \n\t" /* buf0[eax]yalpha1 + buf1[eax](1-yalpha1) >>16*/\
+                
+#define YSCALEYUV2RGB(index, c) \
+               "xorl "#index", "#index"        \n\t"\
+               ".balign 16                     \n\t"\
+               "1:                             \n\t"\
+               "movq (%2, "#index"), %%mm2     \n\t" /* uvbuf0[eax]*/\
+               "movq (%3, "#index"), %%mm3     \n\t" /* uvbuf1[eax]*/\
+               "movq 4096(%2, "#index"), %%mm5\n\t" /* uvbuf0[eax+2048]*/\
+               "movq 4096(%3, "#index"), %%mm4\n\t" /* uvbuf1[eax+2048]*/\
+               "psubw %%mm3, %%mm2             \n\t" /* uvbuf0[eax] - uvbuf1[eax]*/\
+               "psubw %%mm4, %%mm5             \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048]*/\
+               "movq "CHR_MMX_FILTER_OFFSET"+8("#c"), %%mm0\n\t"\
                "pmulhw %%mm0, %%mm2            \n\t" /* (uvbuf0[eax] - uvbuf1[eax])uvalpha1>>16*/\
                "pmulhw %%mm0, %%mm5            \n\t" /* (uvbuf0[eax+2048] - uvbuf1[eax+2048])uvalpha1>>16*/\
                "psraw $4, %%mm3                \n\t" /* uvbuf0[eax] - uvbuf1[eax] >>4*/\
                "psraw $4, %%mm4                \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048] >>4*/\
                "paddw %%mm2, %%mm3             \n\t" /* uvbuf0[eax]uvalpha1 - uvbuf1[eax](1-uvalpha1)*/\
                "paddw %%mm5, %%mm4             \n\t" /* uvbuf0[eax+2048]uvalpha1 - uvbuf1[eax+2048](1-uvalpha1)*/\
-               "psubw "MANGLE(w400)", %%mm3    \n\t" /* (U-128)8*/\
-               "psubw "MANGLE(w400)", %%mm4    \n\t" /* (V-128)8*/\
+               "psubw "U_OFFSET"("#c"), %%mm3  \n\t" /* (U-128)8*/\
+               "psubw "V_OFFSET"("#c"), %%mm4  \n\t" /* (V-128)8*/\
                "movq %%mm3, %%mm2              \n\t" /* (U-128)8*/\
                "movq %%mm4, %%mm5              \n\t" /* (V-128)8*/\
-               "pmulhw "MANGLE(ugCoeff)", %%mm3\n\t"\
-               "pmulhw "MANGLE(vgCoeff)", %%mm4\n\t"\
+               "pmulhw "UG_COEFF"("#c"), %%mm3\n\t"\
+               "pmulhw "VG_COEFF"("#c"), %%mm4\n\t"\
        /* mm2=(U-128)8, mm3=ug, mm4=vg mm5=(V-128)8 */\
-               "movq (%0, %%eax, 2), %%mm0     \n\t" /*buf0[eax]*/\
-               "movq (%1, %%eax, 2), %%mm1     \n\t" /*buf1[eax]*/\
-               "movq 8(%0, %%eax, 2), %%mm6    \n\t" /*buf0[eax]*/\
-               "movq 8(%1, %%eax, 2), %%mm7    \n\t" /*buf1[eax]*/\
+               "movq (%0, "#index", 2), %%mm0  \n\t" /*buf0[eax]*/\
+               "movq (%1, "#index", 2), %%mm1  \n\t" /*buf1[eax]*/\
+               "movq 8(%0, "#index", 2), %%mm6\n\t" /*buf0[eax]*/\
+               "movq 8(%1, "#index", 2), %%mm7\n\t" /*buf1[eax]*/\
                "psubw %%mm1, %%mm0             \n\t" /* buf0[eax] - buf1[eax]*/\
                "psubw %%mm7, %%mm6             \n\t" /* buf0[eax] - buf1[eax]*/\
-               "pmulhw 3968(%2), %%mm0         \n\t" /* (buf0[eax] - buf1[eax])yalpha1>>16*/\
-               "pmulhw 3968(%2), %%mm6         \n\t" /* (buf0[eax] - buf1[eax])yalpha1>>16*/\
+               "pmulhw "LUM_MMX_FILTER_OFFSET"+8("#c"), %%mm0\n\t" /* (buf0[eax] - buf1[eax])yalpha1>>16*/\
+               "pmulhw "LUM_MMX_FILTER_OFFSET"+8("#c"), %%mm6\n\t" /* (buf0[eax] - buf1[eax])yalpha1>>16*/\
                "psraw $4, %%mm1                \n\t" /* buf0[eax] - buf1[eax] >>4*/\
                "psraw $4, %%mm7                \n\t" /* buf0[eax] - buf1[eax] >>4*/\
                "paddw %%mm0, %%mm1             \n\t" /* buf0[eax]yalpha1 + buf1[eax](1-yalpha1) >>16*/\
                "paddw %%mm6, %%mm7             \n\t" /* buf0[eax]yalpha1 + buf1[eax](1-yalpha1) >>16*/\
-               "pmulhw "MANGLE(ubCoeff)", %%mm2\n\t"\
-               "pmulhw "MANGLE(vrCoeff)", %%mm5\n\t"\
-               "psubw "MANGLE(w80)", %%mm1     \n\t" /* 8(Y-16)*/\
-               "psubw "MANGLE(w80)", %%mm7     \n\t" /* 8(Y-16)*/\
-               "pmulhw "MANGLE(yCoeff)", %%mm1 \n\t"\
-               "pmulhw "MANGLE(yCoeff)", %%mm7 \n\t"\
+               "pmulhw "UB_COEFF"("#c"), %%mm2\n\t"\
+               "pmulhw "VR_COEFF"("#c"), %%mm5\n\t"\
+               "psubw "Y_OFFSET"("#c"), %%mm1  \n\t" /* 8(Y-16)*/\
+               "psubw "Y_OFFSET"("#c"), %%mm7  \n\t" /* 8(Y-16)*/\
+               "pmulhw "Y_COEFF"("#c"), %%mm1  \n\t"\
+               "pmulhw "Y_COEFF"("#c"), %%mm7  \n\t"\
        /* mm1= Y1, mm2=ub, mm3=ug, mm4=vg mm5=vr, mm7=Y2 */\
                "paddw %%mm3, %%mm4             \n\t"\
                "movq %%mm2, %%mm0              \n\t"\
                "packuswb %%mm6, %%mm5          \n\t"\
                "packuswb %%mm3, %%mm4          \n\t"\
                "pxor %%mm7, %%mm7              \n\t"
-
-#define YSCALEYUV2RGB1 \
-               "xorl %%eax, %%eax              \n\t"\
+                
+#define YSCALEYUV2PACKED1(index, c) \
+               "xorl "#index", "#index"                \n\t"\
+               ".balign 16                     \n\t"\
+               "1:                             \n\t"\
+               "movq (%2, "#index"), %%mm3     \n\t" /* uvbuf0[eax]*/\
+               "movq 4096(%2, "#index"), %%mm4 \n\t" /* uvbuf0[eax+2048]*/\
+               "psraw $7, %%mm3                \n\t" \
+               "psraw $7, %%mm4                \n\t" \
+               "movq (%0, "#index", 2), %%mm1  \n\t" /*buf0[eax]*/\
+               "movq 8(%0, "#index", 2), %%mm7 \n\t" /*buf0[eax]*/\
+               "psraw $7, %%mm1                \n\t" \
+               "psraw $7, %%mm7                \n\t" \
+                
+#define YSCALEYUV2RGB1(index, c) \
+               "xorl "#index", "#index"        \n\t"\
                ".balign 16                     \n\t"\
                "1:                             \n\t"\
-               "movq (%2, %%eax), %%mm3        \n\t" /* uvbuf0[eax]*/\
-               "movq 4096(%2, %%eax), %%mm4    \n\t" /* uvbuf0[eax+2048]*/\
+               "movq (%2, "#index"), %%mm3     \n\t" /* uvbuf0[eax]*/\
+               "movq 4096(%2, "#index"), %%mm4 \n\t" /* uvbuf0[eax+2048]*/\
                "psraw $4, %%mm3                \n\t" /* uvbuf0[eax] - uvbuf1[eax] >>4*/\
                "psraw $4, %%mm4                \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048] >>4*/\
-               "psubw "MANGLE(w400)", %%mm3    \n\t" /* (U-128)8*/\
-               "psubw "MANGLE(w400)", %%mm4    \n\t" /* (V-128)8*/\
+               "psubw "U_OFFSET"("#c"), %%mm3  \n\t" /* (U-128)8*/\
+               "psubw "V_OFFSET"("#c"), %%mm4  \n\t" /* (V-128)8*/\
                "movq %%mm3, %%mm2              \n\t" /* (U-128)8*/\
                "movq %%mm4, %%mm5              \n\t" /* (V-128)8*/\
-               "pmulhw "MANGLE(ugCoeff)", %%mm3\n\t"\
-               "pmulhw "MANGLE(vgCoeff)", %%mm4\n\t"\
+               "pmulhw "UG_COEFF"("#c"), %%mm3\n\t"\
+               "pmulhw "VG_COEFF"("#c"), %%mm4\n\t"\
        /* mm2=(U-128)8, mm3=ug, mm4=vg mm5=(V-128)8 */\
-               "movq (%0, %%eax, 2), %%mm1     \n\t" /*buf0[eax]*/\
-               "movq 8(%0, %%eax, 2), %%mm7    \n\t" /*buf0[eax]*/\
+               "movq (%0, "#index", 2), %%mm1  \n\t" /*buf0[eax]*/\
+               "movq 8(%0, "#index", 2), %%mm7 \n\t" /*buf0[eax]*/\
                "psraw $4, %%mm1                \n\t" /* buf0[eax] - buf1[eax] >>4*/\
                "psraw $4, %%mm7                \n\t" /* buf0[eax] - buf1[eax] >>4*/\
-               "pmulhw "MANGLE(ubCoeff)", %%mm2\n\t"\
-               "pmulhw "MANGLE(vrCoeff)", %%mm5\n\t"\
-               "psubw "MANGLE(w80)", %%mm1     \n\t" /* 8(Y-16)*/\
-               "psubw "MANGLE(w80)", %%mm7     \n\t" /* 8(Y-16)*/\
-               "pmulhw "MANGLE(yCoeff)", %%mm1 \n\t"\
-               "pmulhw "MANGLE(yCoeff)", %%mm7 \n\t"\
+               "pmulhw "UB_COEFF"("#c"), %%mm2\n\t"\
+               "pmulhw "VR_COEFF"("#c"), %%mm5\n\t"\
+               "psubw "Y_OFFSET"("#c"), %%mm1  \n\t" /* 8(Y-16)*/\
+               "psubw "Y_OFFSET"("#c"), %%mm7  \n\t" /* 8(Y-16)*/\
+               "pmulhw "Y_COEFF"("#c"), %%mm1  \n\t"\
+               "pmulhw "Y_COEFF"("#c"), %%mm7  \n\t"\
        /* mm1= Y1, mm2=ub, mm3=ug, mm4=vg mm5=vr, mm7=Y2 */\
                "paddw %%mm3, %%mm4             \n\t"\
                "movq %%mm2, %%mm0              \n\t"\
                "packuswb %%mm3, %%mm4          \n\t"\
                "pxor %%mm7, %%mm7              \n\t"
 
+#define YSCALEYUV2PACKED1b(index, c) \
+               "xorl "#index", "#index"                \n\t"\
+               ".balign 16                     \n\t"\
+               "1:                             \n\t"\
+               "movq (%2, "#index"), %%mm2     \n\t" /* uvbuf0[eax]*/\
+               "movq (%3, "#index"), %%mm3     \n\t" /* uvbuf1[eax]*/\
+               "movq 4096(%2, "#index"), %%mm5 \n\t" /* uvbuf0[eax+2048]*/\
+               "movq 4096(%3, "#index"), %%mm4 \n\t" /* uvbuf1[eax+2048]*/\
+               "paddw %%mm2, %%mm3             \n\t" /* uvbuf0[eax] + uvbuf1[eax]*/\
+               "paddw %%mm5, %%mm4             \n\t" /* uvbuf0[eax+2048] + uvbuf1[eax+2048]*/\
+               "psrlw $8, %%mm3                \n\t" \
+               "psrlw $8, %%mm4                \n\t" \
+               "movq (%0, "#index", 2), %%mm1  \n\t" /*buf0[eax]*/\
+               "movq 8(%0, "#index", 2), %%mm7 \n\t" /*buf0[eax]*/\
+               "psraw $7, %%mm1                \n\t" \
+               "psraw $7, %%mm7                \n\t" 
+                
 // do vertical chrominance interpolation
-#define YSCALEYUV2RGB1b \
-               "xorl %%eax, %%eax              \n\t"\
+#define YSCALEYUV2RGB1b(index, c) \
+               "xorl "#index", "#index"                \n\t"\
                ".balign 16                     \n\t"\
                "1:                             \n\t"\
-               "movq (%2, %%eax), %%mm2        \n\t" /* uvbuf0[eax]*/\
-               "movq (%3, %%eax), %%mm3        \n\t" /* uvbuf1[eax]*/\
-               "movq 4096(%2, %%eax), %%mm5    \n\t" /* uvbuf0[eax+2048]*/\
-               "movq 4096(%3, %%eax), %%mm4    \n\t" /* uvbuf1[eax+2048]*/\
+               "movq (%2, "#index"), %%mm2     \n\t" /* uvbuf0[eax]*/\
+               "movq (%3, "#index"), %%mm3     \n\t" /* uvbuf1[eax]*/\
+               "movq 4096(%2, "#index"), %%mm5 \n\t" /* uvbuf0[eax+2048]*/\
+               "movq 4096(%3, "#index"), %%mm4 \n\t" /* uvbuf1[eax+2048]*/\
                "paddw %%mm2, %%mm3             \n\t" /* uvbuf0[eax] + uvbuf1[eax]*/\
                "paddw %%mm5, %%mm4             \n\t" /* uvbuf0[eax+2048] + uvbuf1[eax+2048]*/\
                "psrlw $5, %%mm3                \n\t" /*FIXME might overflow*/\
                "psrlw $5, %%mm4                \n\t" /*FIXME might overflow*/\
-               "psubw "MANGLE(w400)", %%mm3    \n\t" /* (U-128)8*/\
-               "psubw "MANGLE(w400)", %%mm4    \n\t" /* (V-128)8*/\
+               "psubw "U_OFFSET"("#c"), %%mm3  \n\t" /* (U-128)8*/\
+               "psubw "V_OFFSET"("#c"), %%mm4  \n\t" /* (V-128)8*/\
                "movq %%mm3, %%mm2              \n\t" /* (U-128)8*/\
                "movq %%mm4, %%mm5              \n\t" /* (V-128)8*/\
-               "pmulhw "MANGLE(ugCoeff)", %%mm3\n\t"\
-               "pmulhw "MANGLE(vgCoeff)", %%mm4\n\t"\
+               "pmulhw "UG_COEFF"("#c"), %%mm3\n\t"\
+               "pmulhw "VG_COEFF"("#c"), %%mm4\n\t"\
        /* mm2=(U-128)8, mm3=ug, mm4=vg mm5=(V-128)8 */\
-               "movq (%0, %%eax, 2), %%mm1     \n\t" /*buf0[eax]*/\
-               "movq 8(%0, %%eax, 2), %%mm7    \n\t" /*buf0[eax]*/\
+               "movq (%0, "#index", 2), %%mm1  \n\t" /*buf0[eax]*/\
+               "movq 8(%0, "#index", 2), %%mm7 \n\t" /*buf0[eax]*/\
                "psraw $4, %%mm1                \n\t" /* buf0[eax] - buf1[eax] >>4*/\
                "psraw $4, %%mm7                \n\t" /* buf0[eax] - buf1[eax] >>4*/\
-               "pmulhw "MANGLE(ubCoeff)", %%mm2\n\t"\
-               "pmulhw "MANGLE(vrCoeff)", %%mm5\n\t"\
-               "psubw "MANGLE(w80)", %%mm1     \n\t" /* 8(Y-16)*/\
-               "psubw "MANGLE(w80)", %%mm7     \n\t" /* 8(Y-16)*/\
-               "pmulhw "MANGLE(yCoeff)", %%mm1 \n\t"\
-               "pmulhw "MANGLE(yCoeff)", %%mm7 \n\t"\
+               "pmulhw "UB_COEFF"("#c"), %%mm2\n\t"\
+               "pmulhw "VR_COEFF"("#c"), %%mm5\n\t"\
+               "psubw "Y_OFFSET"("#c"), %%mm1  \n\t" /* 8(Y-16)*/\
+               "psubw "Y_OFFSET"("#c"), %%mm7  \n\t" /* 8(Y-16)*/\
+               "pmulhw "Y_COEFF"("#c"), %%mm1  \n\t"\
+               "pmulhw "Y_COEFF"("#c"), %%mm7  \n\t"\
        /* mm1= Y1, mm2=ub, mm3=ug, mm4=vg mm5=vr, mm7=Y2 */\
                "paddw %%mm3, %%mm4             \n\t"\
                "movq %%mm2, %%mm0              \n\t"\
                "packuswb %%mm3, %%mm4          \n\t"\
                "pxor %%mm7, %%mm7              \n\t"
 
-#define WRITEBGR32 \
+#define WRITEBGR32(dst, dstw, index) \
                /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */\
                        "movq %%mm2, %%mm1              \n\t" /* B */\
                        "movq %%mm5, %%mm6              \n\t" /* R */\
                        "punpcklwd %%mm6, %%mm1         \n\t" /* 0RGB0RGB 2 */\
                        "punpckhwd %%mm6, %%mm3         \n\t" /* 0RGB0RGB 3 */\
 \
-                       MOVNTQ(%%mm0, (%4, %%eax, 4))\
-                       MOVNTQ(%%mm2, 8(%4, %%eax, 4))\
-                       MOVNTQ(%%mm1, 16(%4, %%eax, 4))\
-                       MOVNTQ(%%mm3, 24(%4, %%eax, 4))\
+                       MOVNTQ(%%mm0, (dst, index, 4))\
+                       MOVNTQ(%%mm2, 8(dst, index, 4))\
+                       MOVNTQ(%%mm1, 16(dst, index, 4))\
+                       MOVNTQ(%%mm3, 24(dst, index, 4))\
 \
-                       "addl $8, %%eax                 \n\t"\
-                       "cmpl %5, %%eax                 \n\t"\
+                       "addl $8, "#index"              \n\t"\
+                       "cmpl "#dstw", "#index"         \n\t"\
                        " jb 1b                         \n\t"
 
-#define WRITEBGR16 \
+#define WRITEBGR16(dst, dstw, index) \
                        "pand "MANGLE(bF8)", %%mm2      \n\t" /* B */\
                        "pand "MANGLE(bFC)", %%mm4      \n\t" /* G */\
                        "pand "MANGLE(bF8)", %%mm5      \n\t" /* R */\
                        "por %%mm3, %%mm2               \n\t"\
                        "por %%mm4, %%mm1               \n\t"\
 \
-                       MOVNTQ(%%mm2, (%4, %%eax, 2))\
-                       MOVNTQ(%%mm1, 8(%4, %%eax, 2))\
+                       MOVNTQ(%%mm2, (dst, index, 2))\
+                       MOVNTQ(%%mm1, 8(dst, index, 2))\
 \
-                       "addl $8, %%eax                 \n\t"\
-                       "cmpl %5, %%eax                 \n\t"\
+                       "addl $8, "#index"              \n\t"\
+                       "cmpl "#dstw", "#index"         \n\t"\
                        " jb 1b                         \n\t"
 
-#define WRITEBGR15 \
+#define WRITEBGR15(dst, dstw, index) \
                        "pand "MANGLE(bF8)", %%mm2      \n\t" /* B */\
                        "pand "MANGLE(bF8)", %%mm4      \n\t" /* G */\
                        "pand "MANGLE(bF8)", %%mm5      \n\t" /* R */\
                        "por %%mm3, %%mm2               \n\t"\
                        "por %%mm4, %%mm1               \n\t"\
 \
-                       MOVNTQ(%%mm2, (%4, %%eax, 2))\
-                       MOVNTQ(%%mm1, 8(%4, %%eax, 2))\
+                       MOVNTQ(%%mm2, (dst, index, 2))\
+                       MOVNTQ(%%mm1, 8(dst, index, 2))\
 \
-                       "addl $8, %%eax                 \n\t"\
-                       "cmpl %5, %%eax                 \n\t"\
+                       "addl $8, "#index"              \n\t"\
+                       "cmpl "#dstw", "#index"         \n\t"\
                        " jb 1b                         \n\t"
 
-#define WRITEBGR24OLD \
+#define WRITEBGR24OLD(dst, dstw, index) \
                /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */\
                        "movq %%mm2, %%mm1              \n\t" /* B */\
                        "movq %%mm5, %%mm6              \n\t" /* R */\
                        "psllq $16, %%mm3               \n\t" /* RGBRGB00 3 */\
                        "por %%mm4, %%mm3               \n\t" /* RGBRGBRG 2.5 */\
 \
-                       MOVNTQ(%%mm0, (%%ebx))\
-                       MOVNTQ(%%mm2, 8(%%ebx))\
-                       MOVNTQ(%%mm3, 16(%%ebx))\
-                       "addl $24, %%ebx                \n\t"\
+                       MOVNTQ(%%mm0, (dst))\
+                       MOVNTQ(%%mm2, 8(dst))\
+                       MOVNTQ(%%mm3, 16(dst))\
+                       "addl $24, "#dst"               \n\t"\
 \
-                       "addl $8, %%eax                 \n\t"\
-                       "cmpl %5, %%eax                 \n\t"\
+                       "addl $8, "#index"              \n\t"\
+                       "cmpl "#dstw", "#index"         \n\t"\
                        " jb 1b                         \n\t"
 
-#define WRITEBGR24MMX \
+#define WRITEBGR24MMX(dst, dstw, index) \
                /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */\
                        "movq %%mm2, %%mm1              \n\t" /* B */\
                        "movq %%mm5, %%mm6              \n\t" /* R */\
                        "movq %%mm2, %%mm6              \n\t" /* 0RGBRGB0 1 */\
                        "psllq $40, %%mm2               \n\t" /* GB000000 1 */\
                        "por %%mm2, %%mm0               \n\t" /* GBRGBRGB 0 */\
-                       MOVNTQ(%%mm0, (%%ebx))\
+                       MOVNTQ(%%mm0, (dst))\
 \
                        "psrlq $24, %%mm6               \n\t" /* 0000RGBR 1 */\
                        "movq %%mm1, %%mm5              \n\t" /* 0RGBRGB0 2 */\
                        "psllq $24, %%mm1               \n\t" /* BRGB0000 2 */\
                        "por %%mm1, %%mm6               \n\t" /* BRGBRGBR 1 */\
-                       MOVNTQ(%%mm6, 8(%%ebx))\
+                       MOVNTQ(%%mm6, 8(dst))\
 \
                        "psrlq $40, %%mm5               \n\t" /* 000000RG 2 */\
                        "psllq $8, %%mm3                \n\t" /* RGBRGB00 3 */\
                        "por %%mm3, %%mm5               \n\t" /* RGBRGBRG 2 */\
-                       MOVNTQ(%%mm5, 16(%%ebx))\
+                       MOVNTQ(%%mm5, 16(dst))\
 \
-                       "addl $24, %%ebx                \n\t"\
+                       "addl $24, "#dst"               \n\t"\
 \
-                       "addl $8, %%eax                 \n\t"\
-                       "cmpl %5, %%eax                 \n\t"\
+                       "addl $8, "#index"                      \n\t"\
+                       "cmpl "#dstw", "#index"                 \n\t"\
                        " jb 1b                         \n\t"
 
-#define WRITEBGR24MMX2 \
+#define WRITEBGR24MMX2(dst, dstw, index) \
                /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */\
                        "movq "MANGLE(M24A)", %%mm0     \n\t"\
                        "movq "MANGLE(M24C)", %%mm7     \n\t"\
                        "psllq $8, %%mm3                \n\t" /* G2        G1       G0    */\
                        "por %%mm1, %%mm6               \n\t"\
                        "por %%mm3, %%mm6               \n\t"\
-                       MOVNTQ(%%mm6, (%%ebx))\
+                       MOVNTQ(%%mm6, (dst))\
 \
                        "psrlq $8, %%mm4                \n\t" /* 00 G7 G6 G5  G4 G3 G2 G1 */\
                        "pshufw $0xA5, %%mm2, %%mm1     \n\t" /* B5 B4 B5 B4  B3 B2 B3 B2 */\
 \
                        "por %%mm1, %%mm3               \n\t" /* B5    G4 B4     G3 B3    */\
                        "por %%mm3, %%mm6               \n\t"\
-                       MOVNTQ(%%mm6, 8(%%ebx))\
+                       MOVNTQ(%%mm6, 8(dst))\
 \
                        "pshufw $0xFF, %%mm2, %%mm1     \n\t" /* B7 B6 B7 B6  B7 B6 B6 B7 */\
                        "pshufw $0xFA, %%mm4, %%mm3     \n\t" /* 00 G7 00 G7  G6 G5 G6 G5 */\
 \
                        "por %%mm1, %%mm3               \n\t"\
                        "por %%mm3, %%mm6               \n\t"\
-                       MOVNTQ(%%mm6, 16(%%ebx))\
+                       MOVNTQ(%%mm6, 16(dst))\
 \
-                       "addl $24, %%ebx                \n\t"\
+                       "addl $24, "#dst"               \n\t"\
 \
-                       "addl $8, %%eax                 \n\t"\
-                       "cmpl %5, %%eax                 \n\t"\
+                       "addl $8, "#index"              \n\t"\
+                       "cmpl "#dstw", "#index"         \n\t"\
                        " jb 1b                         \n\t"
 
 #ifdef HAVE_MMX2
 #define WRITEBGR24 WRITEBGR24MMX
 #endif
 
-static inline void RENAME(yuv2yuvX)(int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,
+#define WRITEYUY2(dst, dstw, index) \
+                       "packuswb %%mm3, %%mm3          \n\t"\
+                       "packuswb %%mm4, %%mm4          \n\t"\
+                       "packuswb %%mm7, %%mm1          \n\t"\
+                       "punpcklbw %%mm4, %%mm3         \n\t"\
+                       "movq %%mm1, %%mm7              \n\t"\
+                       "punpcklbw %%mm3, %%mm1         \n\t"\
+                       "punpckhbw %%mm3, %%mm7         \n\t"\
+\
+                       MOVNTQ(%%mm1, (dst, index, 2))\
+                       MOVNTQ(%%mm7, 8(dst, index, 2))\
+\
+                       "addl $8, "#index"              \n\t"\
+                       "cmpl "#dstw", "#index"         \n\t"\
+                       " jb 1b                         \n\t"
+
+
+static inline void RENAME(yuv2yuvX)(SwsContext *c, int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,
                                    int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
-                                   uint8_t *dest, uint8_t *uDest, uint8_t *vDest, int dstW, int chrDstW,
-                                   int16_t * lumMmxFilter, int16_t * chrMmxFilter)
+                                   uint8_t *dest, uint8_t *uDest, uint8_t *vDest, int dstW, int chrDstW)
 {
 #ifdef HAVE_MMX
        if(uDest != NULL)
        {
                asm volatile(
-                               YSCALEYUV2YV12X(0)
-                               :: "m" (-chrFilterSize), "r" (chrSrc+chrFilterSize),
-                               "r" (chrMmxFilter+chrFilterSize*4), "r" (uDest), "m" (chrDstW)
+                               YSCALEYUV2YV12X(0, CHR_MMX_FILTER_OFFSET)
+                               :: "r" (&c->redDither),
+                               "r" (uDest), "m" (chrDstW)
                                : "%eax", "%edx", "%esi"
                        );
 
                asm volatile(
-                               YSCALEYUV2YV12X(4096)
-                               :: "m" (-chrFilterSize), "r" (chrSrc+chrFilterSize),
-                               "r" (chrMmxFilter+chrFilterSize*4), "r" (vDest), "m" (chrDstW)
+                               YSCALEYUV2YV12X(4096, CHR_MMX_FILTER_OFFSET)
+                               :: "r" (&c->redDither),
+                               "r" (vDest), "m" (chrDstW)
                                : "%eax", "%edx", "%esi"
                        );
        }
 
        asm volatile(
-                       YSCALEYUV2YV12X(0)
-                       :: "m" (-lumFilterSize), "r" (lumSrc+lumFilterSize),
-                          "r" (lumMmxFilter+lumFilterSize*4), "r" (dest), "m" (dstW)
+                       YSCALEYUV2YV12X(0, LUM_MMX_FILTER_OFFSET)
+                       :: "r" (&c->redDither),
+                          "r" (dest), "m" (dstW)
                        : "%eax", "%edx", "%esi"
                );
 #else
+#ifdef HAVE_ALTIVEC
+yuv2yuvX_altivec_real(lumFilter, lumSrc, lumFilterSize,
+                     chrFilter, chrSrc, chrFilterSize,
+                     dest, uDest, vDest, dstW, chrDstW);
+#else //HAVE_ALTIVEC
 yuv2yuvXinC(lumFilter, lumSrc, lumFilterSize,
            chrFilter, chrSrc, chrFilterSize,
            dest, uDest, vDest, dstW, chrDstW);
+#endif //!HAVE_ALTIVEC
 #endif
 }
 
@@ -752,10 +846,11 @@ static inline void RENAME(yuv2yuv1)(int16_t *lumSrc, int16_t *chrSrc,
 /**
  * vertical scale YV12 to RGB
  */
-static inline void RENAME(yuv2rgbX)(SwsContext *c, int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,
+static inline void RENAME(yuv2packedX)(SwsContext *c, int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,
                                    int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
-                           uint8_t *dest, int dstW, int16_t * lumMmxFilter, int16_t * chrMmxFilter, int dstY)
+                           uint8_t *dest, int dstW, int dstY)
 {
+       int dummy=0;
        switch(c->dstFormat)
        {
 #ifdef HAVE_MMX
@@ -763,13 +858,12 @@ static inline void RENAME(yuv2rgbX)(SwsContext *c, int16_t *lumFilter, int16_t *
                {
                        asm volatile(
                                YSCALEYUV2RGBX
-                               WRITEBGR32
+                               WRITEBGR32(%4, %5, %%eax)
 
-                       :: "m" (-lumFilterSize), "m" (-chrFilterSize),
-                          "m" (lumMmxFilter+lumFilterSize*4), "m" (chrMmxFilter+chrFilterSize*4),
-                          "r" (dest), "m" (dstW),
-                          "m" (lumSrc+lumFilterSize), "m" (chrSrc+chrFilterSize)
-                       : "%eax", "%ebx", "%ecx", "%edx", "%esi"
+                       :: "r" (&c->redDither), 
+                          "m" (dummy), "m" (dummy), "m" (dummy),
+                          "r" (dest), "m" (dstW)
+                       : "%eax", "%edx", "%esi"
                        );
                }
                break;
@@ -779,13 +873,12 @@ static inline void RENAME(yuv2rgbX)(SwsContext *c, int16_t *lumFilter, int16_t *
                                YSCALEYUV2RGBX
                                "leal (%%eax, %%eax, 2), %%ebx  \n\t" //FIXME optimize
                                "addl %4, %%ebx                 \n\t"
-                               WRITEBGR24
+                               WRITEBGR24(%%ebx, %5, %%eax)
 
-                       :: "m" (-lumFilterSize), "m" (-chrFilterSize),
-                          "m" (lumMmxFilter+lumFilterSize*4), "m" (chrMmxFilter+chrFilterSize*4),
-                          "r" (dest), "m" (dstW),
-                          "m" (lumSrc+lumFilterSize), "m" (chrSrc+chrFilterSize)
-                       : "%eax", "%ebx", "%ecx", "%edx", "%esi"
+                       :: "r" (&c->redDither), 
+                          "m" (dummy), "m" (dummy), "m" (dummy),
+                          "r" (dest), "m" (dstW)
+                       : "%eax", "%ebx", "%edx", "%esi" //FIXME ebx
                        );
                }
                break;
@@ -800,13 +893,12 @@ static inline void RENAME(yuv2rgbX)(SwsContext *c, int16_t *lumFilter, int16_t *
                                "paddusb "MANGLE(r5Dither)", %%mm5\n\t"
 #endif
 
-                               WRITEBGR15
+                               WRITEBGR15(%4, %5, %%eax)
 
-                       :: "m" (-lumFilterSize), "m" (-chrFilterSize),
-                          "m" (lumMmxFilter+lumFilterSize*4), "m" (chrMmxFilter+chrFilterSize*4),
-                          "r" (dest), "m" (dstW),
-                          "m" (lumSrc+lumFilterSize), "m" (chrSrc+chrFilterSize)
-                       : "%eax", "%ebx", "%ecx", "%edx", "%esi"
+                       :: "r" (&c->redDither), 
+                          "m" (dummy), "m" (dummy), "m" (dummy),
+                          "r" (dest), "m" (dstW)
+                       : "%eax", "%edx", "%esi"
                        );
                }
                break;
@@ -821,21 +913,45 @@ static inline void RENAME(yuv2rgbX)(SwsContext *c, int16_t *lumFilter, int16_t *
                                "paddusb "MANGLE(r5Dither)", %%mm5\n\t"
 #endif
 
-                               WRITEBGR16
+                               WRITEBGR16(%4, %5, %%eax)
 
-                       :: "m" (-lumFilterSize), "m" (-chrFilterSize),
-                          "m" (lumMmxFilter+lumFilterSize*4), "m" (chrMmxFilter+chrFilterSize*4),
-                          "r" (dest), "m" (dstW),
-                          "m" (lumSrc+lumFilterSize), "m" (chrSrc+chrFilterSize)
-                       : "%eax", "%ebx", "%ecx", "%edx", "%esi"
+                       :: "r" (&c->redDither), 
+                          "m" (dummy), "m" (dummy), "m" (dummy),
+                          "r" (dest), "m" (dstW)
+                       : "%eax", "%edx", "%esi"
+                       );
+               }
+               break;
+       case IMGFMT_YUY2:
+               {
+                       asm volatile(
+                               YSCALEYUV2PACKEDX
+               /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
+
+                               "psraw $3, %%mm3                \n\t"
+                               "psraw $3, %%mm4                \n\t"
+                               "psraw $3, %%mm1                \n\t"
+                               "psraw $3, %%mm7                \n\t"
+                               WRITEYUY2(%4, %5, %%eax)
+
+                       :: "r" (&c->redDither), 
+                          "m" (dummy), "m" (dummy), "m" (dummy),
+                          "r" (dest), "m" (dstW)
+                       : "%eax", "%edx", "%esi"
                        );
                }
                break;
 #endif
        default:
-               yuv2rgbXinC(c, lumFilter, lumSrc, lumFilterSize,
+#ifdef HAVE_ALTIVEC
+               altivec_yuv2packedX (c, lumFilter, lumSrc, lumFilterSize,
+                           chrFilter, chrSrc, chrFilterSize,
+                           dest, dstW, dstY);
+#else
+               yuv2packedXinC(c, lumFilter, lumSrc, lumFilterSize,
                            chrFilter, chrSrc, chrFilterSize,
                            dest, dstW, dstY);
+#endif
                break;
        }
 }
@@ -843,14 +959,14 @@ static inline void RENAME(yuv2rgbX)(SwsContext *c, int16_t *lumFilter, int16_t *
 /**
  * vertical bilinear scale YV12 to RGB
  */
-static inline void RENAME(yuv2rgb2)(SwsContext *c, uint16_t *buf0, uint16_t *buf1, uint16_t *uvbuf0, uint16_t *uvbuf1,
+static inline void RENAME(yuv2packed2)(SwsContext *c, uint16_t *buf0, uint16_t *buf1, uint16_t *uvbuf0, uint16_t *uvbuf1,
                            uint8_t *dest, int dstW, int yalpha, int uvalpha, int y)
 {
        int yalpha1=yalpha^4095;
        int uvalpha1=uvalpha^4095;
        int i;
 
-#if 0 //isnt used
+#if 0 //isn't used
        if(flags&SWS_FULL_CHR_H_INT)
        {
                switch(dstFormat)
@@ -1069,30 +1185,37 @@ FULL_YSCALEYUV2RGB
 #ifdef HAVE_MMX
        switch(c->dstFormat)
        {
+//Note 8280 == DSTW_OFFSET but the preprocessor can't handle that there :(
        case IMGFMT_BGR32:
                        asm volatile(
-                               YSCALEYUV2RGB
-                               WRITEBGR32
-
-                       :: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstW),
-                       "m" (yalpha1), "m" (uvalpha1)
+                               "movl %%esp, "ESP_OFFSET"(%5)           \n\t"
+                               "movl %4, %%esp                         \n\t"
+                               YSCALEYUV2RGB(%%eax, %5)
+                               WRITEBGR32(%%esp, 8280(%5), %%eax)
+                               "movl "ESP_OFFSET"(%5), %%esp           \n\t"
+
+                       :: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "m" (dest),
+                       "r" (&c->redDither)
                        : "%eax"
                        );
                        return;
        case IMGFMT_BGR24:
                        asm volatile(
-                               "movl %4, %%ebx                 \n\t"
-                               YSCALEYUV2RGB
-                               WRITEBGR24
-
-                       :: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "m" (dest), "m" (dstW),
-                       "m" (yalpha1), "m" (uvalpha1)
-                       : "%eax", "%ebx"
+                               "movl %%esp, "ESP_OFFSET"(%5)           \n\t"
+                               "movl %4, %%esp                 \n\t"
+                               YSCALEYUV2RGB(%%eax, %5)
+                               WRITEBGR24(%%esp, 8280(%5), %%eax)
+                               "movl "ESP_OFFSET"(%5), %%esp           \n\t"
+                       :: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "m" (dest),
+                       "r" (&c->redDither)
+                       : "%eax"
                        );
                        return;
        case IMGFMT_BGR15:
                        asm volatile(
-                               YSCALEYUV2RGB
+                               "movl %%esp, "ESP_OFFSET"(%5)           \n\t"
+                               "movl %4, %%esp                         \n\t"
+                               YSCALEYUV2RGB(%%eax, %5)
                /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
 #ifdef DITHER1XBPP
                                "paddusb "MANGLE(b5Dither)", %%mm2\n\t"
@@ -1100,16 +1223,19 @@ FULL_YSCALEYUV2RGB
                                "paddusb "MANGLE(r5Dither)", %%mm5\n\t"
 #endif
 
-                               WRITEBGR15
+                               WRITEBGR15(%%esp, 8280(%5), %%eax)
+                               "movl "ESP_OFFSET"(%5), %%esp           \n\t"
 
-                       :: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstW),
-                       "m" (yalpha1), "m" (uvalpha1)
+                       :: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "m" (dest),
+                       "r" (&c->redDither)
                        : "%eax"
                        );
                        return;
        case IMGFMT_BGR16:
                        asm volatile(
-                               YSCALEYUV2RGB
+                               "movl %%esp, "ESP_OFFSET"(%5)           \n\t"
+                               "movl %4, %%esp                         \n\t"
+                               YSCALEYUV2RGB(%%eax, %5)
                /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
 #ifdef DITHER1XBPP
                                "paddusb "MANGLE(b5Dither)", %%mm2\n\t"
@@ -1117,26 +1243,37 @@ FULL_YSCALEYUV2RGB
                                "paddusb "MANGLE(r5Dither)", %%mm5\n\t"
 #endif
 
-                               WRITEBGR16
-
-                       :: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstW),
-                       "m" (yalpha1), "m" (uvalpha1)
+                               WRITEBGR16(%%esp, 8280(%5), %%eax)
+                               "movl "ESP_OFFSET"(%5), %%esp           \n\t"
+                       :: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "m" (dest),
+                       "r" (&c->redDither)
+                       : "%eax"
+                       );
+                       return;
+       case IMGFMT_YUY2:
+                       asm volatile(
+                               "movl %%esp, "ESP_OFFSET"(%5)           \n\t"
+                               "movl %4, %%esp                         \n\t"
+                               YSCALEYUV2PACKED(%%eax, %5)
+                               WRITEYUY2(%%esp, 8280(%5), %%eax)
+                               "movl "ESP_OFFSET"(%5), %%esp           \n\t"
+                       :: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "m" (dest),
+                       "r" (&c->redDither)
                        : "%eax"
                        );
                        return;
        default: break;
        }
 #endif //HAVE_MMX
-YSCALE_YUV_2_ANYRGB_C(YSCALE_YUV_2_RGB2_C)
+YSCALE_YUV_2_ANYRGB_C(YSCALE_YUV_2_RGB2_C, YSCALE_YUV_2_PACKED2_C)
 }
 
 /**
  * YV12 to RGB without scaling or interpolating
  */
-static inline void RENAME(yuv2rgb1)(SwsContext *c, uint16_t *buf0, uint16_t *uvbuf0, uint16_t *uvbuf1,
+static inline void RENAME(yuv2packed1)(SwsContext *c, uint16_t *buf0, uint16_t *uvbuf0, uint16_t *uvbuf1,
                            uint8_t *dest, int dstW, int uvalpha, int dstFormat, int flags, int y)
 {
-       int uvalpha1=uvalpha^4095;
        const int yalpha1=0;
        int i;
        
@@ -1145,7 +1282,7 @@ static inline void RENAME(yuv2rgb1)(SwsContext *c, uint16_t *buf0, uint16_t *uvb
 
        if(flags&SWS_FULL_CHR_H_INT)
        {
-               RENAME(yuv2rgb2)(c, buf0, buf0, uvbuf0, uvbuf1, dest, dstW, 0, uvalpha, y);
+               RENAME(yuv2packed2)(c, buf0, buf0, uvbuf0, uvbuf1, dest, dstW, 0, uvalpha, y);
                return;
        }
 
@@ -1156,41 +1293,54 @@ static inline void RENAME(yuv2rgb1)(SwsContext *c, uint16_t *buf0, uint16_t *uvb
                {
                case IMGFMT_BGR32:
                        asm volatile(
-                               YSCALEYUV2RGB1
-                               WRITEBGR32
-                       :: "r" (buf0), "r" (buf0), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstW),
-                       "m" (yalpha1), "m" (uvalpha1)
+                               "movl %%esp, "ESP_OFFSET"(%5)           \n\t"
+                               "movl %4, %%esp                         \n\t"
+                               YSCALEYUV2RGB1(%%eax, %5)
+                               WRITEBGR32(%%esp, 8280(%5), %%eax)
+                               "movl "ESP_OFFSET"(%5), %%esp           \n\t"
+
+                       :: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "m" (dest),
+                       "r" (&c->redDither)
                        : "%eax"
                        );
                        return;
                case IMGFMT_BGR24:
                        asm volatile(
-                               "movl %4, %%ebx                 \n\t"
-                               YSCALEYUV2RGB1
-                               WRITEBGR24
-                       :: "r" (buf0), "r" (buf0), "r" (uvbuf0), "r" (uvbuf1), "m" (dest), "m" (dstW),
-                       "m" (yalpha1), "m" (uvalpha1)
-                       : "%eax", "%ebx"
+                               "movl %%esp, "ESP_OFFSET"(%5)           \n\t"
+                               "movl %4, %%esp                         \n\t"
+                               YSCALEYUV2RGB1(%%eax, %5)
+                               WRITEBGR24(%%esp, 8280(%5), %%eax)
+                               "movl "ESP_OFFSET"(%5), %%esp           \n\t"
+
+                       :: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "m" (dest),
+                       "r" (&c->redDither)
+                       : "%eax"
                        );
                        return;
                case IMGFMT_BGR15:
                        asm volatile(
-                               YSCALEYUV2RGB1
+                               "movl %%esp, "ESP_OFFSET"(%5)           \n\t"
+                               "movl %4, %%esp                         \n\t"
+                               YSCALEYUV2RGB1(%%eax, %5)
                /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
 #ifdef DITHER1XBPP
                                "paddusb "MANGLE(b5Dither)", %%mm2\n\t"
                                "paddusb "MANGLE(g5Dither)", %%mm4\n\t"
                                "paddusb "MANGLE(r5Dither)", %%mm5\n\t"
 #endif
-                               WRITEBGR15
-                       :: "r" (buf0), "r" (buf0), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstW),
-                       "m" (yalpha1), "m" (uvalpha1)
+                               WRITEBGR15(%%esp, 8280(%5), %%eax)
+                               "movl "ESP_OFFSET"(%5), %%esp           \n\t"
+
+                       :: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "m" (dest),
+                       "r" (&c->redDither)
                        : "%eax"
                        );
                        return;
                case IMGFMT_BGR16:
                        asm volatile(
-                               YSCALEYUV2RGB1
+                               "movl %%esp, "ESP_OFFSET"(%5)           \n\t"
+                               "movl %4, %%esp                         \n\t"
+                               YSCALEYUV2RGB1(%%eax, %5)
                /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
 #ifdef DITHER1XBPP
                                "paddusb "MANGLE(b5Dither)", %%mm2\n\t"
@@ -1198,9 +1348,24 @@ static inline void RENAME(yuv2rgb1)(SwsContext *c, uint16_t *buf0, uint16_t *uvb
                                "paddusb "MANGLE(r5Dither)", %%mm5\n\t"
 #endif
 
-                               WRITEBGR16
-                       :: "r" (buf0), "r" (buf0), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstW),
-                       "m" (yalpha1), "m" (uvalpha1)
+                               WRITEBGR16(%%esp, 8280(%5), %%eax)
+                               "movl "ESP_OFFSET"(%5), %%esp           \n\t"
+
+                       :: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "m" (dest),
+                       "r" (&c->redDither)
+                       : "%eax"
+                       );
+                       return;
+               case IMGFMT_YUY2:
+                       asm volatile(
+                               "movl %%esp, "ESP_OFFSET"(%5)           \n\t"
+                               "movl %4, %%esp                         \n\t"
+                               YSCALEYUV2PACKED1(%%eax, %5)
+                               WRITEYUY2(%%esp, 8280(%5), %%eax)
+                               "movl "ESP_OFFSET"(%5), %%esp           \n\t"
+
+                       :: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "m" (dest),
+                       "r" (&c->redDither)
                        : "%eax"
                        );
                        return;
@@ -1212,41 +1377,54 @@ static inline void RENAME(yuv2rgb1)(SwsContext *c, uint16_t *buf0, uint16_t *uvb
                {
                case IMGFMT_BGR32:
                        asm volatile(
-                               YSCALEYUV2RGB1b
-                               WRITEBGR32
-                       :: "r" (buf0), "r" (buf0), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstW),
-                       "m" (yalpha1), "m" (uvalpha1)
+                               "movl %%esp, "ESP_OFFSET"(%5)           \n\t"
+                               "movl %4, %%esp                         \n\t"
+                               YSCALEYUV2RGB1b(%%eax, %5)
+                               WRITEBGR32(%%esp, 8280(%5), %%eax)
+                               "movl "ESP_OFFSET"(%5), %%esp           \n\t"
+
+                       :: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "m" (dest),
+                       "r" (&c->redDither)
                        : "%eax"
                        );
                        return;
                case IMGFMT_BGR24:
                        asm volatile(
-                               "movl %4, %%ebx                 \n\t"
-                               YSCALEYUV2RGB1b
-                               WRITEBGR24
-                       :: "r" (buf0), "r" (buf0), "r" (uvbuf0), "r" (uvbuf1), "m" (dest), "m" (dstW),
-                       "m" (yalpha1), "m" (uvalpha1)
-                       : "%eax", "%ebx"
+                               "movl %%esp, "ESP_OFFSET"(%5)           \n\t"
+                               "movl %4, %%esp                         \n\t"
+                               YSCALEYUV2RGB1b(%%eax, %5)
+                               WRITEBGR24(%%esp, 8280(%5), %%eax)
+                               "movl "ESP_OFFSET"(%5), %%esp           \n\t"
+
+                       :: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "m" (dest),
+                       "r" (&c->redDither)
+                       : "%eax"
                        );
                        return;
                case IMGFMT_BGR15:
                        asm volatile(
-                               YSCALEYUV2RGB1b
+                               "movl %%esp, "ESP_OFFSET"(%5)           \n\t"
+                               "movl %4, %%esp                         \n\t"
+                               YSCALEYUV2RGB1b(%%eax, %5)
                /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
 #ifdef DITHER1XBPP
                                "paddusb "MANGLE(b5Dither)", %%mm2\n\t"
                                "paddusb "MANGLE(g5Dither)", %%mm4\n\t"
                                "paddusb "MANGLE(r5Dither)", %%mm5\n\t"
 #endif
-                               WRITEBGR15
-                       :: "r" (buf0), "r" (buf0), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstW),
-                       "m" (yalpha1), "m" (uvalpha1)
+                               WRITEBGR15(%%esp, 8280(%5), %%eax)
+                               "movl "ESP_OFFSET"(%5), %%esp           \n\t"
+
+                       :: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "m" (dest),
+                       "r" (&c->redDither)
                        : "%eax"
                        );
                        return;
                case IMGFMT_BGR16:
                        asm volatile(
-                               YSCALEYUV2RGB1b
+                               "movl %%esp, "ESP_OFFSET"(%5)           \n\t"
+                               "movl %4, %%esp                         \n\t"
+                               YSCALEYUV2RGB1b(%%eax, %5)
                /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
 #ifdef DITHER1XBPP
                                "paddusb "MANGLE(b5Dither)", %%mm2\n\t"
@@ -1254,9 +1432,24 @@ static inline void RENAME(yuv2rgb1)(SwsContext *c, uint16_t *buf0, uint16_t *uvb
                                "paddusb "MANGLE(r5Dither)", %%mm5\n\t"
 #endif
 
-                               WRITEBGR16
-                       :: "r" (buf0), "r" (buf0), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstW),
-                       "m" (yalpha1), "m" (uvalpha1)
+                               WRITEBGR16(%%esp, 8280(%5), %%eax)
+                               "movl "ESP_OFFSET"(%5), %%esp           \n\t"
+
+                       :: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "m" (dest),
+                       "r" (&c->redDither)
+                       : "%eax"
+                       );
+                       return;
+               case IMGFMT_YUY2:
+                       asm volatile(
+                               "movl %%esp, "ESP_OFFSET"(%5)           \n\t"
+                               "movl %4, %%esp                         \n\t"
+                               YSCALEYUV2PACKED1b(%%eax, %5)
+                               WRITEYUY2(%%esp, 8280(%5), %%eax)
+                               "movl "ESP_OFFSET"(%5), %%esp           \n\t"
+
+                       :: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "m" (dest),
+                       "r" (&c->redDither)
                        : "%eax"
                        );
                        return;
@@ -1265,9 +1458,9 @@ static inline void RENAME(yuv2rgb1)(SwsContext *c, uint16_t *buf0, uint16_t *uvb
 #endif
        if( uvalpha < 2048 )
        {
-               YSCALE_YUV_2_ANYRGB_C(YSCALE_YUV_2_RGB1_C)
+               YSCALE_YUV_2_ANYRGB_C(YSCALE_YUV_2_RGB1_C, YSCALE_YUV_2_PACKED1_C)
        }else{
-               YSCALE_YUV_2_ANYRGB_C(YSCALE_YUV_2_RGB1B_C)
+               YSCALE_YUV_2_ANYRGB_C(YSCALE_YUV_2_RGB1B_C, YSCALE_YUV_2_PACKED1B_C)
        }
 }
 
@@ -1336,6 +1529,69 @@ static inline void RENAME(yuy2ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1,
 #endif
 }
 
+//this is allmost identical to the previous, end exists only cuz yuy2ToY/UV)(dst, src+1, ...) would have 100% unaligned accesses
+static inline void RENAME(uyvyToY)(uint8_t *dst, uint8_t *src, int width)
+{
+#ifdef HAVE_MMX
+       asm volatile(
+               "movl %0, %%eax                 \n\t"
+               "1:                             \n\t"
+               "movq (%1, %%eax,2), %%mm0      \n\t"
+               "movq 8(%1, %%eax,2), %%mm1     \n\t"
+               "psrlw $8, %%mm0                \n\t"
+               "psrlw $8, %%mm1                \n\t"
+               "packuswb %%mm1, %%mm0          \n\t"
+               "movq %%mm0, (%2, %%eax)        \n\t"
+               "addl $8, %%eax                 \n\t"
+               " js 1b                         \n\t"
+               : : "g" (-width), "r" (src+width*2), "r" (dst+width)
+               : "%eax"
+       );
+#else
+       int i;
+       for(i=0; i<width; i++)
+               dst[i]= src[2*i+1];
+#endif
+}
+
+static inline void RENAME(uyvyToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, int width)
+{
+#if defined (HAVE_MMX2) || defined (HAVE_3DNOW)
+       asm volatile(
+               "movq "MANGLE(bm01010101)", %%mm4\n\t"
+               "movl %0, %%eax                 \n\t"
+               "1:                             \n\t"
+               "movq (%1, %%eax,4), %%mm0      \n\t"
+               "movq 8(%1, %%eax,4), %%mm1     \n\t"
+               "movq (%2, %%eax,4), %%mm2      \n\t"
+               "movq 8(%2, %%eax,4), %%mm3     \n\t"
+               PAVGB(%%mm2, %%mm0)
+               PAVGB(%%mm3, %%mm1)
+               "pand %%mm4, %%mm0              \n\t"
+               "pand %%mm4, %%mm1              \n\t"
+               "packuswb %%mm1, %%mm0          \n\t"
+               "movq %%mm0, %%mm1              \n\t"
+               "psrlw $8, %%mm0                \n\t"
+               "pand %%mm4, %%mm1              \n\t"
+               "packuswb %%mm0, %%mm0          \n\t"
+               "packuswb %%mm1, %%mm1          \n\t"
+               "movd %%mm0, (%4, %%eax)        \n\t"
+               "movd %%mm1, (%3, %%eax)        \n\t"
+               "addl $4, %%eax                 \n\t"
+               " js 1b                         \n\t"
+               : : "g" (-width), "r" (src1+width*4), "r" (src2+width*4), "r" (dstU+width), "r" (dstV+width)
+               : "%eax"
+       );
+#else
+       int i;
+       for(i=0; i<width; i++)
+       {
+               dstU[i]= (src1[4*i + 0] + src2[4*i + 0])>>1;
+               dstV[i]= (src1[4*i + 2] + src2[4*i + 2])>>1;
+       }
+#endif
+}
+
 static inline void RENAME(bgr32ToY)(uint8_t *dst, uint8_t *src, int width)
 {
 #ifdef HAVE_MMXFIXME
@@ -1343,11 +1599,11 @@ static inline void RENAME(bgr32ToY)(uint8_t *dst, uint8_t *src, int width)
        int i;
        for(i=0; i<width; i++)
        {
-               int b= src[i*4+0];
-               int g= src[i*4+1];
-               int r= src[i*4+2];
+               int b=  ((uint32_t*)src)[i]&0xFF;
+               int g= (((uint32_t*)src)[i]>>8)&0xFF;
+               int r= (((uint32_t*)src)[i]>>16)&0xFF;
 
-               dst[i]= ((RY*r + GY*g + BY*b)>>RGB2YUV_SHIFT) + 16;
+               dst[i]= ((RY*r + GY*g + BY*b + (33<<(RGB2YUV_SHIFT-1)) )>>RGB2YUV_SHIFT);
        }
 #endif
 }
@@ -1359,9 +1615,15 @@ static inline void RENAME(bgr32ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1
        int i;
        for(i=0; i<width; i++)
        {
-               int b= src1[8*i + 0] + src1[8*i + 4] + src2[8*i + 0] + src2[8*i + 4];
-               int g= src1[8*i + 1] + src1[8*i + 5] + src2[8*i + 1] + src2[8*i + 5];
-               int r= src1[8*i + 2] + src1[8*i + 6] + src2[8*i + 2] + src2[8*i + 6];
+               const int a= ((uint32_t*)src1)[2*i+0];
+               const int e= ((uint32_t*)src1)[2*i+1];
+               const int c= ((uint32_t*)src2)[2*i+0];
+               const int d= ((uint32_t*)src2)[2*i+1];
+               const int l= (a&0xFF00FF) + (e&0xFF00FF) + (c&0xFF00FF) + (d&0xFF00FF);
+               const int h= (a&0x00FF00) + (e&0x00FF00) + (c&0x00FF00) + (d&0x00FF00);
+               const int b=  l&0x3FF;
+               const int g=  h>>8;
+               const int r=  l>>16;
 
                dstU[i]= ((RU*r + GU*g + BU*b)>>(RGB2YUV_SHIFT+2)) + 128;
                dstV[i]= ((RV*r + GV*g + BV*b)>>(RGB2YUV_SHIFT+2)) + 128;
@@ -1449,7 +1711,7 @@ static inline void RENAME(bgr24ToY)(uint8_t *dst, uint8_t *src, int width)
                int g= src[i*3+1];
                int r= src[i*3+2];
 
-               dst[i]= ((RY*r + GY*g + BY*b)>>RGB2YUV_SHIFT) + 16;
+               dst[i]= ((RY*r + GY*g + BY*b + (33<<(RGB2YUV_SHIFT-1)) )>>RGB2YUV_SHIFT);
        }
 #endif
 }
@@ -1625,7 +1887,7 @@ static inline void RENAME(bgr16ToY)(uint8_t *dst, uint8_t *src, int width)
        int i;
        for(i=0; i<width; i++)
        {
-               int d= src[i*2] + (src[i*2+1]<<8);
+               int d= ((uint16_t*)src)[i];
                int b= d&0x1F;
                int g= (d>>5)&0x3F;
                int r= (d>>11)&0x1F;
@@ -1639,9 +1901,8 @@ static inline void RENAME(bgr16ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1
        int i;
        for(i=0; i<width; i++)
        {
-#if 1
-               int d0= le2me_32( ((uint32_t*)src1)[i] );
-               int d1= le2me_32( ((uint32_t*)src2)[i] );
+               int d0= ((uint32_t*)src1)[i];
+               int d1= ((uint32_t*)src2)[i];
                
                int dl= (d0&0x07E0F81F) + (d1&0x07E0F81F);
                int dh= ((d0>>5)&0x07C0F83F) + ((d1>>5)&0x07C0F83F);
@@ -1652,31 +1913,6 @@ static inline void RENAME(bgr16ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1
                int b= d&0x7F;
                int r= (d>>11)&0x7F;
                int g= d>>21;
-#else
-               int d0= src1[i*4] + (src1[i*4+1]<<8);
-               int b0= d0&0x1F;
-               int g0= (d0>>5)&0x3F;
-               int r0= (d0>>11)&0x1F;
-
-               int d1= src1[i*4+2] + (src1[i*4+3]<<8);
-               int b1= d1&0x1F;
-               int g1= (d1>>5)&0x3F;
-               int r1= (d1>>11)&0x1F;
-
-               int d2= src2[i*4] + (src2[i*4+1]<<8);
-               int b2= d2&0x1F;
-               int g2= (d2>>5)&0x3F;
-               int r2= (d2>>11)&0x1F;
-
-               int d3= src2[i*4+2] + (src2[i*4+3]<<8);
-               int b3= d3&0x1F;
-               int g3= (d3>>5)&0x3F;
-               int r3= (d3>>11)&0x1F;
-
-               int b= b0 + b1 + b2 + b3;
-               int g= g0 + g1 + g2 + g3;
-               int r= r0 + r1 + r2 + r3;
-#endif
                dstU[i]= ((2*RU*r + GU*g + 2*BU*b)>>(RGB2YUV_SHIFT+2-2)) + 128;
                dstV[i]= ((2*RV*r + GV*g + 2*BV*b)>>(RGB2YUV_SHIFT+2-2)) + 128;
        }
@@ -1687,7 +1923,7 @@ static inline void RENAME(bgr15ToY)(uint8_t *dst, uint8_t *src, int width)
        int i;
        for(i=0; i<width; i++)
        {
-               int d= src[i*2] + (src[i*2+1]<<8);
+               int d= ((uint16_t*)src)[i];
                int b= d&0x1F;
                int g= (d>>5)&0x1F;
                int r= (d>>10)&0x1F;
@@ -1701,9 +1937,8 @@ static inline void RENAME(bgr15ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1
        int i;
        for(i=0; i<width; i++)
        {
-#if 1
-               int d0= le2me_32( ((uint32_t*)src1)[i] );
-               int d1= le2me_32( ((uint32_t*)src2)[i] );
+               int d0= ((uint32_t*)src1)[i];
+               int d1= ((uint32_t*)src2)[i];
                
                int dl= (d0&0x03E07C1F) + (d1&0x03E07C1F);
                int dh= ((d0>>5)&0x03E0F81F) + ((d1>>5)&0x03E0F81F);
@@ -1714,31 +1949,6 @@ static inline void RENAME(bgr15ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1
                int b= d&0x7F;
                int r= (d>>10)&0x7F;
                int g= d>>21;
-#else
-               int d0= src1[i*4] + (src1[i*4+1]<<8);
-               int b0= d0&0x1F;
-               int g0= (d0>>5)&0x1F;
-               int r0= (d0>>10)&0x1F;
-
-               int d1= src1[i*4+2] + (src1[i*4+3]<<8);
-               int b1= d1&0x1F;
-               int g1= (d1>>5)&0x1F;
-               int r1= (d1>>10)&0x1F;
-
-               int d2= src2[i*4] + (src2[i*4+1]<<8);
-               int b2= d2&0x1F;
-               int g2= (d2>>5)&0x1F;
-               int r2= (d2>>10)&0x1F;
-
-               int d3= src2[i*4+2] + (src2[i*4+3]<<8);
-               int b3= d3&0x1F;
-               int g3= (d3>>5)&0x1F;
-               int r3= (d3>>10)&0x1F;
-
-               int b= b0 + b1 + b2 + b3;
-               int g= g0 + g1 + g2 + g3;
-               int r= r0 + r1 + r2 + r3;
-#endif
                dstU[i]= ((RU*r + GU*g + BU*b)>>(RGB2YUV_SHIFT+2-3)) + 128;
                dstV[i]= ((RV*r + GV*g + BV*b)>>(RGB2YUV_SHIFT+2-3)) + 128;
        }
@@ -1750,11 +1960,11 @@ static inline void RENAME(rgb32ToY)(uint8_t *dst, uint8_t *src, int width)
        int i;
        for(i=0; i<width; i++)
        {
-               int r= src[i*4+0];
-               int g= src[i*4+1];
-               int b= src[i*4+2];
+               int r=  ((uint32_t*)src)[i]&0xFF;
+               int g= (((uint32_t*)src)[i]>>8)&0xFF;
+               int b= (((uint32_t*)src)[i]>>16)&0xFF;
 
-               dst[i]= ((RY*r + GY*g + BY*b)>>RGB2YUV_SHIFT) + 16;
+               dst[i]= ((RY*r + GY*g + BY*b + (33<<(RGB2YUV_SHIFT-1)) )>>RGB2YUV_SHIFT);
        }
 }
 
@@ -1763,9 +1973,15 @@ static inline void RENAME(rgb32ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1
        int i;
        for(i=0; i<width; i++)
        {
-               int r= src1[8*i + 0] + src1[8*i + 4] + src2[8*i + 0] + src2[8*i + 4];
-               int g= src1[8*i + 1] + src1[8*i + 5] + src2[8*i + 1] + src2[8*i + 5];
-               int b= src1[8*i + 2] + src1[8*i + 6] + src2[8*i + 2] + src2[8*i + 6];
+               const int a= ((uint32_t*)src1)[2*i+0];
+               const int e= ((uint32_t*)src1)[2*i+1];
+               const int c= ((uint32_t*)src2)[2*i+0];
+               const int d= ((uint32_t*)src2)[2*i+1];
+               const int l= (a&0xFF00FF) + (e&0xFF00FF) + (c&0xFF00FF) + (d&0xFF00FF);
+               const int h= (a&0x00FF00) + (e&0x00FF00) + (c&0x00FF00) + (d&0x00FF00);
+               const int r=  l&0x3FF;
+               const int g=  h>>8;
+               const int b=  l>>16;
 
                dstU[i]= ((RU*r + GU*g + BU*b)>>(RGB2YUV_SHIFT+2)) + 128;
                dstV[i]= ((RV*r + GV*g + BV*b)>>(RGB2YUV_SHIFT+2)) + 128;
@@ -1781,7 +1997,7 @@ static inline void RENAME(rgb24ToY)(uint8_t *dst, uint8_t *src, int width)
                int g= src[i*3+1];
                int b= src[i*3+2];
 
-               dst[i]= ((RY*r + GY*g + BY*b)>>RGB2YUV_SHIFT) + 16;
+               dst[i]= ((RY*r + GY*g + BY*b + (33<<(RGB2YUV_SHIFT-1)) )>>RGB2YUV_SHIFT);
        }
 }
 
@@ -1805,6 +2021,7 @@ static inline void RENAME(hScale)(int16_t *dst, int dstW, uint8_t *src, int srcW
                                  int16_t *filter, int16_t *filterPos, int filterSize)
 {
 #ifdef HAVE_MMX
+       assert(filterSize % 4 == 0 && filterSize>0);
        if(filterSize==4) // allways true for upscaling, sometimes for down too
        {
                int counter= -2*dstW;
@@ -1942,6 +2159,9 @@ static inline void RENAME(hScale)(int16_t *dst, int dstW, uint8_t *src, int srcW
                        : "%ebx", "%eax", "%ecx"
                );
        }
+#else
+#ifdef HAVE_ALTIVEC
+       hScale_altivec_real(dst, dstW, src, srcW, xInc, filter, filterPos, filterSize);
 #else
        int i;
        for(i=0; i<dstW; i++)
@@ -1960,6 +2180,7 @@ static inline void RENAME(hScale)(int16_t *dst, int dstW, uint8_t *src, int srcW
 //             dst[i] = val>>7;
        }
 #endif
+#endif
 }
       // *** horizontal scale Y line to temp buffer
 static inline void RENAME(hyscale)(uint16_t *dst, int dstWidth, uint8_t *src, int srcW, int xInc,
@@ -1973,6 +2194,11 @@ static inline void RENAME(hyscale)(uint16_t *dst, int dstWidth, uint8_t *src, in
        RENAME(yuy2ToY)(formatConvBuffer, src, srcW);
        src= formatConvBuffer;
     }
+    else if(srcFormat==IMGFMT_UYVY)
+    {
+       RENAME(uyvyToY)(formatConvBuffer, src, srcW);
+       src= formatConvBuffer;
+    }
     else if(srcFormat==IMGFMT_BGR32)
     {
        RENAME(bgr32ToY)(formatConvBuffer, src, srcW);
@@ -2005,7 +2231,7 @@ static inline void RENAME(hyscale)(uint16_t *dst, int dstWidth, uint8_t *src, in
     }
 
 #ifdef HAVE_MMX
-       // use the new MMX scaler if th mmx2 cant be used (its faster than the x86asm one)
+       // use the new MMX scaler if the mmx2 can't be used (its faster than the x86asm one)
     if(!(flags&SWS_FAST_BILINEAR) || (!canMMX2BeUsed))
 #else
     if(!(flags&SWS_FAST_BILINEAR))
@@ -2097,7 +2323,7 @@ FUNNY_Y_CODE
                : "%eax", "%ebx", "%ecx", "%edi", "%esi"
                );
 #ifdef HAVE_MMX2
-       } //if MMX2 cant be used
+       } //if MMX2 can't be used
 #endif
 #else
        int i;
@@ -2125,6 +2351,12 @@ inline static void RENAME(hcscale)(uint16_t *dst, int dstWidth, uint8_t *src1, u
        src1= formatConvBuffer;
        src2= formatConvBuffer+2048;
     }
+    else if(srcFormat==IMGFMT_UYVY)
+    {
+       RENAME(uyvyToUV)(formatConvBuffer, formatConvBuffer+2048, src1, src2, srcW);
+       src1= formatConvBuffer;
+       src2= formatConvBuffer+2048;
+    }
     else if(srcFormat==IMGFMT_BGR32)
     {
        RENAME(bgr32ToUV)(formatConvBuffer, formatConvBuffer+2048, src1, src2, srcW);
@@ -2167,7 +2399,7 @@ inline static void RENAME(hcscale)(uint16_t *dst, int dstWidth, uint8_t *src1, u
     }
 
 #ifdef HAVE_MMX
-       // use the new MMX scaler if th mmx2 cant be used (its faster than the x86asm one)
+       // use the new MMX scaler if the mmx2 can't be used (its faster than the x86asm one)
     if(!(flags&SWS_FAST_BILINEAR) || (!canMMX2BeUsed))
 #else
     if(!(flags&SWS_FAST_BILINEAR))
@@ -2270,7 +2502,7 @@ FUNNY_UV_CODE
                : "%eax", "%ebx", "%ecx", "%edi", "%esi"
                );
 #ifdef HAVE_MMX2
-       } //if MMX2 cant be used
+       } //if MMX2 can't be used
 #endif
 #else
        int i;
@@ -2291,8 +2523,8 @@ FUNNY_UV_CODE
    }
 }
 
-static void RENAME(swScale)(SwsContext *c, uint8_t* srcParam[], int srcStrideParam[], int srcSliceY,
-             int srcSliceH, uint8_t* dstParam[], int dstStrideParam[]){
+static int RENAME(swScale)(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
+             int srcSliceH, uint8_t* dst[], int dstStride[]){
 
        /* load a few things into local vars to make the code more readable? and faster */
        const int srcW= c->srcW;
@@ -2314,8 +2546,8 @@ static void RENAME(swScale)(SwsContext *c, uint8_t* srcParam[], int srcStridePar
        int16_t *vChrFilter= c->vChrFilter;
        int16_t *hLumFilter= c->hLumFilter;
        int16_t *hChrFilter= c->hChrFilter;
-       int16_t *lumMmxFilter= c->lumMmxFilter;
-       int16_t *chrMmxFilter= c->chrMmxFilter;
+       int32_t *lumMmxFilter= c->lumMmxFilter;
+       int32_t *chrMmxFilter= c->chrMmxFilter;
        const int vLumFilterSize= c->vLumFilterSize;
        const int vChrFilterSize= c->vChrFilterSize;
        const int hLumFilterSize= c->hLumFilterSize;
@@ -2329,6 +2561,7 @@ static void RENAME(swScale)(SwsContext *c, uint8_t* srcParam[], int srcStridePar
        uint8_t *formatConvBuffer= c->formatConvBuffer;
        const int chrSrcSliceY= srcSliceY >> c->chrSrcVSubSample;
        const int chrSrcSliceH= -((-srcSliceH) >> c->chrSrcVSubSample);
+       int lastDstY;
 
        /* vars whch will change and which we need to storw back in the context */
        int dstY= c->dstY;
@@ -2336,21 +2569,14 @@ static void RENAME(swScale)(SwsContext *c, uint8_t* srcParam[], int srcStridePar
        int chrBufIndex= c->chrBufIndex;
        int lastInLumBuf= c->lastInLumBuf;
        int lastInChrBuf= c->lastInChrBuf;
-       int srcStride[3];
-       int dstStride[3];
-       uint8_t *src[3];
-       uint8_t *dst[3];
        
-       orderYUV(c->srcFormat, src, srcStride, srcParam, srcStrideParam);
-       orderYUV(c->dstFormat, dst, dstStride, dstParam, dstStrideParam);
-
        if(isPacked(c->srcFormat)){
                src[0]=
                src[1]=
-               src[2]= srcParam[0];
+               src[2]= src[0];
                srcStride[0]=
                srcStride[1]=
-               srcStride[2]= srcStrideParam[0];
+               srcStride[2]= srcStride[0];
        }
        srcStride[1]<<= c->vChrDrop;
        srcStride[2]<<= c->vChrDrop;
@@ -2376,7 +2602,7 @@ i--;
                static int firstTime=1; //FIXME move this into the context perhaps
                if(flags & SWS_PRINT_INFO && firstTime)
                {
-                       mp_msg(MSGT_SWS,MSGL_WARN,"SwScaler: Warning: dstStride is not aligned!\n"
+                       MSG_WARN("SwScaler: Warning: dstStride is not aligned!\n"
                                        "SwScaler:          ->cannot do aligned memory acesses anymore\n");
                        firstTime=0;
                }
@@ -2392,6 +2618,8 @@ i--;
                lastInChrBuf= -1;
        }
 
+       lastDstY= dstY;
+
        for(;dstY < dstH; dstY++){
                unsigned char *dest =dst[0]+dstStride[0]*dstY;
                const int chrDstY= dstY>>c->chrDstVSubSample;
@@ -2403,6 +2631,8 @@ i--;
                const int lastLumSrcY= firstLumSrcY + vLumFilterSize -1; // Last line needed as input
                const int lastChrSrcY= firstChrSrcY + vChrFilterSize -1; // Last line needed as input
 
+//printf("dstY:%d dstH:%d firstLumSrcY:%d lastInLumBuf:%d vLumBufSize: %d vChrBufSize: %d slice: %d %d vLumFilterSize: %d firstChrSrcY: %d vChrFilterSize: %d c->chrSrcVSubSample: %d\n",
+// dstY, dstH, firstLumSrcY, lastInLumBuf, vLumBufSize, vChrBufSize, srcSliceY, srcSliceH, vLumFilterSize, firstChrSrcY, vChrFilterSize,  c->chrSrcVSubSample);
                //handle holes (FAST_BILINEAR & weird filters)
                if(firstLumSrcY > lastInLumBuf) lastInLumBuf= firstLumSrcY-1;
                if(firstChrSrcY > lastInChrBuf) lastInChrBuf= firstChrSrcY-1;
@@ -2490,7 +2720,7 @@ i--;
                        //wrap buf index around to stay inside the ring buffer
                        if(lumBufIndex >= vLumBufSize ) lumBufIndex-= vLumBufSize;
                        if(chrBufIndex >= vChrBufSize ) chrBufIndex-= vChrBufSize;
-                       break; //we cant output a dstY line so lets try with the next slice
+                       break; //we can't output a dstY line so let's try with the next slice
                }
 
 #ifdef HAVE_MMX
@@ -2501,9 +2731,29 @@ i--;
 #endif
            if(dstY < dstH-2)
            {
+               int16_t **lumSrcPtr= lumPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize;
+               int16_t **chrSrcPtr= chrPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize;
+#ifdef HAVE_MMX
+               int i;
+               for(i=0; i<vLumFilterSize; i++)
+               {
+                       lumMmxFilter[4*i+0]= (int32_t)lumSrcPtr[i];
+                       lumMmxFilter[4*i+2]= 
+                       lumMmxFilter[4*i+3]= 
+                               ((uint16_t)vLumFilter[dstY*vLumFilterSize + i])*0x10001;
+               }
+               for(i=0; i<vChrFilterSize; i++)
+               {
+                       chrMmxFilter[4*i+0]= (int32_t)chrSrcPtr[i];
+                       chrMmxFilter[4*i+2]= 
+                       chrMmxFilter[4*i+3]= 
+                               ((uint16_t)vChrFilter[chrDstY*vChrFilterSize + i])*0x10001;
+               }
+#endif
                if(isPlanarYUV(dstFormat) || isGray(dstFormat)) //YV12 like
                {
-                       if((dstY&1) || isGray(dstFormat)) uDest=vDest= NULL; //FIXME split functions in lumi / chromi
+                       const int chrSkipMask= (1<<c->chrDstVSubSample)-1;
+                       if((dstY&chrSkipMask) || isGray(dstFormat)) uDest=vDest= NULL; //FIXME split functions in lumi / chromi
                        if(vLumFilterSize == 1 && vChrFilterSize == 1) // Unscaled YV12
                        {
                                int16_t *lumBuf = lumPixBuf[0];
@@ -2512,54 +2762,46 @@ i--;
                        }
                        else //General YV12
                        {
-                               int16_t **lumSrcPtr= lumPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize;
-                               int16_t **chrSrcPtr= chrPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize;
-                               RENAME(yuv2yuvX)(
+                               RENAME(yuv2yuvX)(c,
                                        vLumFilter+dstY*vLumFilterSize   , lumSrcPtr, vLumFilterSize,
                                        vChrFilter+chrDstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
-                                       dest, uDest, vDest, dstW, chrDstW,
-                                       lumMmxFilter+dstY*vLumFilterSize*4, chrMmxFilter+chrDstY*vChrFilterSize*4);
+                                       dest, uDest, vDest, dstW, chrDstW);
                        }
                }
                else
                {
-                       int16_t **lumSrcPtr= lumPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize;
-                       int16_t **chrSrcPtr= chrPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize;
-
                        ASSERT(lumSrcPtr + vLumFilterSize - 1 < lumPixBuf + vLumBufSize*2);
                        ASSERT(chrSrcPtr + vChrFilterSize - 1 < chrPixBuf + vChrBufSize*2);
                        if(vLumFilterSize == 1 && vChrFilterSize == 2) //Unscaled RGB
                        {
                                int chrAlpha= vChrFilter[2*dstY+1];
-
-                               RENAME(yuv2rgb1)(c, *lumSrcPtr, *chrSrcPtr, *(chrSrcPtr+1),
+                               RENAME(yuv2packed1)(c, *lumSrcPtr, *chrSrcPtr, *(chrSrcPtr+1),
                                                 dest, dstW, chrAlpha, dstFormat, flags, dstY);
                        }
                        else if(vLumFilterSize == 2 && vChrFilterSize == 2) //BiLinear Upscale RGB
                        {
                                int lumAlpha= vLumFilter[2*dstY+1];
                                int chrAlpha= vChrFilter[2*dstY+1];
-
-                               RENAME(yuv2rgb2)(c, *lumSrcPtr, *(lumSrcPtr+1), *chrSrcPtr, *(chrSrcPtr+1),
+                               RENAME(yuv2packed2)(c, *lumSrcPtr, *(lumSrcPtr+1), *chrSrcPtr, *(chrSrcPtr+1),
                                                 dest, dstW, lumAlpha, chrAlpha, dstY);
                        }
                        else //General RGB
                        {
-                               RENAME(yuv2rgbX)(c,
+                               RENAME(yuv2packedX)(c,
                                        vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,
                                        vChrFilter+dstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
-                                       dest, dstW,
-                                       lumMmxFilter+dstY*vLumFilterSize*4, chrMmxFilter+dstY*vChrFilterSize*4, dstY);
+                                       dest, dstW, dstY);
                        }
                }
             }
-           else // hmm looks like we cant use MMX here without overwriting this arrays tail
+           else // hmm looks like we can't use MMX here without overwriting this array's tail
            {
                int16_t **lumSrcPtr= lumPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize;
                int16_t **chrSrcPtr= chrPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize;
                if(isPlanarYUV(dstFormat) || isGray(dstFormat)) //YV12
                {
-                       if((dstY&1) || isGray(dstFormat)) uDest=vDest= NULL;
+                       const int chrSkipMask= (1<<c->chrDstVSubSample)-1;
+                       if((dstY&chrSkipMask) || isGray(dstFormat)) uDest=vDest= NULL; //FIXME split functions in lumi / chromi
                        yuv2yuvXinC(
                                vLumFilter+dstY*vLumFilterSize   , lumSrcPtr, vLumFilterSize,
                                vChrFilter+chrDstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
@@ -2569,7 +2811,7 @@ i--;
                {
                        ASSERT(lumSrcPtr + vLumFilterSize - 1 < lumPixBuf + vLumBufSize*2);
                        ASSERT(chrSrcPtr + vChrFilterSize - 1 < chrPixBuf + vChrBufSize*2);
-                       yuv2rgbXinC(c, 
+                       yuv2packedXinC(c, 
                                vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,
                                vChrFilter+dstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
                                dest, dstW, dstY);
@@ -2587,4 +2829,6 @@ i--;
        c->chrBufIndex= chrBufIndex;
        c->lastInLumBuf= lastInLumBuf;
        c->lastInChrBuf= lastInChrBuf;
+
+       return dstY - lastDstY;
 }