]> git.sesse.net Git - ffmpeg/blobdiff - libswscale/swscale_template.c
#include just the required stdint.h instead of libavutil/common.h.
[ffmpeg] / libswscale / swscale_template.c
index ae16bc007ac60699657126838d6e71e51ca43e6d..279cab034be75bd4b5114dca8990048d426df3eb 100644 (file)
  *
  * You should have received a copy of the GNU General Public License
  * along with FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  *
- * the C code (not assembly, mmx, ...) of this file can be used
- * under the LGPL license too
+ * The C code (not assembly, MMX, ...) of this file can be used
+ * under the LGPL license.
  */
 
 #undef REAL_MOVNTQ
 #undef PAVGB
 #undef PREFETCH
 #undef PREFETCHW
-#undef EMMS
-#undef SFENCE
 
-#ifdef HAVE_3DNOW
-/* On K6 femms is faster of emms. On K7 femms is directly mapped on emms. */
-#define EMMS     "femms"
-#else
-#define EMMS     "emms"
-#endif
-
-#ifdef HAVE_3DNOW
+#if HAVE_AMD3DNOW
 #define PREFETCH  "prefetch"
 #define PREFETCHW "prefetchw"
-#elif defined ( HAVE_MMX2 )
+#elif HAVE_MMX2
 #define PREFETCH "prefetchnta"
 #define PREFETCHW "prefetcht0"
 #else
 #define PREFETCHW " # nop"
 #endif
 
-#ifdef HAVE_MMX2
-#define SFENCE "sfence"
-#else
-#define SFENCE " # nop"
-#endif
-
-#ifdef HAVE_MMX2
+#if HAVE_MMX2
 #define PAVGB(a,b) "pavgb " #a ", " #b " \n\t"
-#elif defined (HAVE_3DNOW)
+#elif HAVE_AMD3DNOW
 #define PAVGB(a,b) "pavgusb " #a ", " #b " \n\t"
 #endif
 
-#ifdef HAVE_MMX2
+#if HAVE_MMX2
 #define REAL_MOVNTQ(a,b) "movntq " #a ", " #b " \n\t"
 #else
 #define REAL_MOVNTQ(a,b) "movq " #a ", " #b " \n\t"
 #endif
 #define MOVNTQ(a,b)  REAL_MOVNTQ(a,b)
 
-#ifdef HAVE_ALTIVEC
-#include "swscale_altivec_template.c"
+#if HAVE_ALTIVEC
+#include "ppc/swscale_altivec_template.c"
 #endif
 
 #define YSCALEYUV2YV12X(x, offset, dest, width) \
-               asm volatile(\
-                       "xor %%"REG_a", %%"REG_a"       \n\t"\
-                       "movq "VROUNDER_OFFSET"(%0), %%mm3\n\t"\
-                       "movq %%mm3, %%mm4              \n\t"\
-                       "lea " offset "(%0), %%"REG_d"  \n\t"\
-                       "mov (%%"REG_d"), %%"REG_S"     \n\t"\
-                       ASMALIGN(4) /* FIXME Unroll? */\
-                       "1:                             \n\t"\
-                       "movq 8(%%"REG_d"), %%mm0       \n\t" /* filterCoeff */\
-                       "movq " #x "(%%"REG_S", %%"REG_a", 2), %%mm2\n\t" /* srcData */\
-                       "movq 8+" #x "(%%"REG_S", %%"REG_a", 2), %%mm5\n\t" /* srcData */\
-                       "add $16, %%"REG_d"             \n\t"\
-                       "mov (%%"REG_d"), %%"REG_S"     \n\t"\
-                       "test %%"REG_S", %%"REG_S"      \n\t"\
-                       "pmulhw %%mm0, %%mm2            \n\t"\
-                       "pmulhw %%mm0, %%mm5            \n\t"\
-                       "paddw %%mm2, %%mm3             \n\t"\
-                       "paddw %%mm5, %%mm4             \n\t"\
-                       " jnz 1b                        \n\t"\
-                       "psraw $3, %%mm3                \n\t"\
-                       "psraw $3, %%mm4                \n\t"\
-                       "packuswb %%mm4, %%mm3          \n\t"\
-                       MOVNTQ(%%mm3, (%1, %%REGa))\
-                       "add $8, %%"REG_a"              \n\t"\
-                       "cmp %2, %%"REG_a"              \n\t"\
-                       "movq "VROUNDER_OFFSET"(%0), %%mm3\n\t"\
-                       "movq %%mm3, %%mm4              \n\t"\
-                       "lea " offset "(%0), %%"REG_d"  \n\t"\
-                       "mov (%%"REG_d"), %%"REG_S"     \n\t"\
-                       "jb 1b                          \n\t"\
-                        :: "r" (&c->redDither),\
-                        "r" (dest), "g" (width)\
-                        : "%"REG_a, "%"REG_d, "%"REG_S\
-                );
+    __asm__ volatile(\
+    "xor                          %%"REG_a", %%"REG_a"  \n\t"\
+    "movq             "VROUNDER_OFFSET"(%0), %%mm3      \n\t"\
+    "movq                             %%mm3, %%mm4      \n\t"\
+    "lea                     " offset "(%0), %%"REG_d"  \n\t"\
+    "mov                        (%%"REG_d"), %%"REG_S"  \n\t"\
+    ASMALIGN(4) /* FIXME Unroll? */\
+    "1:                                                 \n\t"\
+    "movq                      8(%%"REG_d"), %%mm0      \n\t" /* filterCoeff */\
+    "movq   "  x "(%%"REG_S", %%"REG_a", 2), %%mm2      \n\t" /* srcData */\
+    "movq 8+"  x "(%%"REG_S", %%"REG_a", 2), %%mm5      \n\t" /* srcData */\
+    "add                                $16, %%"REG_d"  \n\t"\
+    "mov                        (%%"REG_d"), %%"REG_S"  \n\t"\
+    "test                         %%"REG_S", %%"REG_S"  \n\t"\
+    "pmulhw                           %%mm0, %%mm2      \n\t"\
+    "pmulhw                           %%mm0, %%mm5      \n\t"\
+    "paddw                            %%mm2, %%mm3      \n\t"\
+    "paddw                            %%mm5, %%mm4      \n\t"\
+    " jnz                                1b             \n\t"\
+    "psraw                               $3, %%mm3      \n\t"\
+    "psraw                               $3, %%mm4      \n\t"\
+    "packuswb                         %%mm4, %%mm3      \n\t"\
+    MOVNTQ(%%mm3, (%1, %%REGa))\
+    "add                                 $8, %%"REG_a"  \n\t"\
+    "cmp                                 %2, %%"REG_a"  \n\t"\
+    "movq             "VROUNDER_OFFSET"(%0), %%mm3      \n\t"\
+    "movq                             %%mm3, %%mm4      \n\t"\
+    "lea                     " offset "(%0), %%"REG_d"  \n\t"\
+    "mov                        (%%"REG_d"), %%"REG_S"  \n\t"\
+    "jb                                  1b             \n\t"\
+    :: "r" (&c->redDither),\
+    "r" (dest), "g" (width)\
+    : "%"REG_a, "%"REG_d, "%"REG_S\
+    );
 
 #define YSCALEYUV2YV12X_ACCURATE(x, offset, dest, width) \
-               asm volatile(\
-                       "lea " offset "(%0), %%"REG_d"  \n\t"\
-                       "xor %%"REG_a", %%"REG_a"       \n\t"\
-                        "pxor %%mm4, %%mm4              \n\t"\
-                        "pxor %%mm5, %%mm5              \n\t"\
-                        "pxor %%mm6, %%mm6              \n\t"\
-                        "pxor %%mm7, %%mm7              \n\t"\
-                       "mov (%%"REG_d"), %%"REG_S"     \n\t"\
-                       ASMALIGN(4) \
-                       "1:                             \n\t"\
-                       "movq " #x "(%%"REG_S", %%"REG_a", 2), %%mm0\n\t" /* srcData */\
-                       "movq 8+" #x "(%%"REG_S", %%"REG_a", 2), %%mm2\n\t" /* srcData */\
-                       "mov 4(%%"REG_d"), %%"REG_S"    \n\t"\
-                       "movq " #x "(%%"REG_S", %%"REG_a", 2), %%mm1\n\t" /* srcData */\
-                        "movq %%mm0, %%mm3              \n\t"\
-                        "punpcklwd %%mm1, %%mm0        \n\t"\
-                        "punpckhwd %%mm1, %%mm3        \n\t"\
-                       "movq 8(%%"REG_d"), %%mm1       \n\t" /* filterCoeff */\
-                        "pmaddwd %%mm1, %%mm0           \n\t"\
-                        "pmaddwd %%mm1, %%mm3           \n\t"\
-                        "paddd %%mm0, %%mm4             \n\t"\
-                        "paddd %%mm3, %%mm5             \n\t"\
-                       "movq 8+" #x "(%%"REG_S", %%"REG_a", 2), %%mm3\n\t" /* srcData */\
-                       "mov 16(%%"REG_d"), %%"REG_S"   \n\t"\
-                       "add $16, %%"REG_d"             \n\t"\
-                        "test %%"REG_S", %%"REG_S"      \n\t"\
-                        "movq %%mm2, %%mm0              \n\t"\
-                        "punpcklwd %%mm3, %%mm2        \n\t"\
-                        "punpckhwd %%mm3, %%mm0        \n\t"\
-                        "pmaddwd %%mm1, %%mm2           \n\t"\
-                        "pmaddwd %%mm1, %%mm0           \n\t"\
-                        "paddd %%mm2, %%mm6             \n\t"\
-                        "paddd %%mm0, %%mm7             \n\t"\
-                       " jnz 1b                        \n\t"\
-                       "psrad $16, %%mm4               \n\t"\
-                       "psrad $16, %%mm5               \n\t"\
-                       "psrad $16, %%mm6               \n\t"\
-                       "psrad $16, %%mm7               \n\t"\
-                       "movq "VROUNDER_OFFSET"(%0), %%mm0\n\t"\
-                       "packssdw %%mm5, %%mm4          \n\t"\
-                       "packssdw %%mm7, %%mm6          \n\t"\
-                        "paddw %%mm0, %%mm4             \n\t"\
-                        "paddw %%mm0, %%mm6             \n\t"\
-                       "psraw $3, %%mm4                \n\t"\
-                       "psraw $3, %%mm6                \n\t"\
-                       "packuswb %%mm6, %%mm4          \n\t"\
-                       MOVNTQ(%%mm4, (%1, %%REGa))\
-                       "add $8, %%"REG_a"              \n\t"\
-                       "cmp %2, %%"REG_a"              \n\t"\
-                       "lea " offset "(%0), %%"REG_d"  \n\t"\
-                        "pxor %%mm4, %%mm4              \n\t"\
-                        "pxor %%mm5, %%mm5              \n\t"\
-                        "pxor %%mm6, %%mm6              \n\t"\
-                        "pxor %%mm7, %%mm7              \n\t"\
-                       "mov (%%"REG_d"), %%"REG_S"     \n\t"\
-                       "jb 1b                          \n\t"\
-                        :: "r" (&c->redDither),\
-                        "r" (dest), "g" (width)\
-                        : "%"REG_a, "%"REG_d, "%"REG_S\
-                );
+    __asm__ volatile(\
+    "lea                     " offset "(%0), %%"REG_d"  \n\t"\
+    "xor                          %%"REG_a", %%"REG_a"  \n\t"\
+    "pxor                             %%mm4, %%mm4      \n\t"\
+    "pxor                             %%mm5, %%mm5      \n\t"\
+    "pxor                             %%mm6, %%mm6      \n\t"\
+    "pxor                             %%mm7, %%mm7      \n\t"\
+    "mov                        (%%"REG_d"), %%"REG_S"  \n\t"\
+    ASMALIGN(4) \
+    "1:                                                 \n\t"\
+    "movq   "  x "(%%"REG_S", %%"REG_a", 2), %%mm0      \n\t" /* srcData */\
+    "movq 8+"  x "(%%"REG_S", %%"REG_a", 2), %%mm2      \n\t" /* srcData */\
+    "mov        "STR(APCK_PTR2)"(%%"REG_d"), %%"REG_S"  \n\t"\
+    "movq   "  x "(%%"REG_S", %%"REG_a", 2), %%mm1      \n\t" /* srcData */\
+    "movq                             %%mm0, %%mm3      \n\t"\
+    "punpcklwd                        %%mm1, %%mm0      \n\t"\
+    "punpckhwd                        %%mm1, %%mm3      \n\t"\
+    "movq       "STR(APCK_COEF)"(%%"REG_d"), %%mm1      \n\t" /* filterCoeff */\
+    "pmaddwd                          %%mm1, %%mm0      \n\t"\
+    "pmaddwd                          %%mm1, %%mm3      \n\t"\
+    "paddd                            %%mm0, %%mm4      \n\t"\
+    "paddd                            %%mm3, %%mm5      \n\t"\
+    "movq 8+"  x "(%%"REG_S", %%"REG_a", 2), %%mm3      \n\t" /* srcData */\
+    "mov        "STR(APCK_SIZE)"(%%"REG_d"), %%"REG_S"  \n\t"\
+    "add                  $"STR(APCK_SIZE)", %%"REG_d"  \n\t"\
+    "test                         %%"REG_S", %%"REG_S"  \n\t"\
+    "movq                             %%mm2, %%mm0      \n\t"\
+    "punpcklwd                        %%mm3, %%mm2      \n\t"\
+    "punpckhwd                        %%mm3, %%mm0      \n\t"\
+    "pmaddwd                          %%mm1, %%mm2      \n\t"\
+    "pmaddwd                          %%mm1, %%mm0      \n\t"\
+    "paddd                            %%mm2, %%mm6      \n\t"\
+    "paddd                            %%mm0, %%mm7      \n\t"\
+    " jnz                                1b             \n\t"\
+    "psrad                              $16, %%mm4      \n\t"\
+    "psrad                              $16, %%mm5      \n\t"\
+    "psrad                              $16, %%mm6      \n\t"\
+    "psrad                              $16, %%mm7      \n\t"\
+    "movq             "VROUNDER_OFFSET"(%0), %%mm0      \n\t"\
+    "packssdw                         %%mm5, %%mm4      \n\t"\
+    "packssdw                         %%mm7, %%mm6      \n\t"\
+    "paddw                            %%mm0, %%mm4      \n\t"\
+    "paddw                            %%mm0, %%mm6      \n\t"\
+    "psraw                               $3, %%mm4      \n\t"\
+    "psraw                               $3, %%mm6      \n\t"\
+    "packuswb                         %%mm6, %%mm4      \n\t"\
+    MOVNTQ(%%mm4, (%1, %%REGa))\
+    "add                                 $8, %%"REG_a"  \n\t"\
+    "cmp                                 %2, %%"REG_a"  \n\t"\
+    "lea                     " offset "(%0), %%"REG_d"  \n\t"\
+    "pxor                             %%mm4, %%mm4      \n\t"\
+    "pxor                             %%mm5, %%mm5      \n\t"\
+    "pxor                             %%mm6, %%mm6      \n\t"\
+    "pxor                             %%mm7, %%mm7      \n\t"\
+    "mov                        (%%"REG_d"), %%"REG_S"  \n\t"\
+    "jb                                  1b             \n\t"\
+    :: "r" (&c->redDither),\
+    "r" (dest), "g" (width)\
+    : "%"REG_a, "%"REG_d, "%"REG_S\
+    );
 
 #define YSCALEYUV2YV121 \
-                       "mov %2, %%"REG_a"              \n\t"\
-                       ASMALIGN(4) /* FIXME Unroll? */\
-                       "1:                             \n\t"\
-                       "movq (%0, %%"REG_a", 2), %%mm0 \n\t"\
-                       "movq 8(%0, %%"REG_a", 2), %%mm1\n\t"\
-                       "psraw $7, %%mm0                \n\t"\
-                       "psraw $7, %%mm1                \n\t"\
-                       "packuswb %%mm1, %%mm0          \n\t"\
-                       MOVNTQ(%%mm0, (%1, %%REGa))\
-                       "add $8, %%"REG_a"              \n\t"\
-                       "jnc 1b                         \n\t"
+    "mov %2, %%"REG_a"                    \n\t"\
+    ASMALIGN(4) /* FIXME Unroll? */\
+    "1:                                   \n\t"\
+    "movq  (%0, %%"REG_a", 2), %%mm0      \n\t"\
+    "movq 8(%0, %%"REG_a", 2), %%mm1      \n\t"\
+    "psraw                 $7, %%mm0      \n\t"\
+    "psraw                 $7, %%mm1      \n\t"\
+    "packuswb           %%mm1, %%mm0      \n\t"\
+    MOVNTQ(%%mm0, (%1, %%REGa))\
+    "add                   $8, %%"REG_a"  \n\t"\
+    "jnc                   1b             \n\t"
+
+#define YSCALEYUV2YV121_ACCURATE \
+    "mov %2, %%"REG_a"                    \n\t"\
+    "pcmpeqw %%mm7, %%mm7                 \n\t"\
+    "psrlw                 $15, %%mm7     \n\t"\
+    "psllw                  $6, %%mm7     \n\t"\
+    ASMALIGN(4) /* FIXME Unroll? */\
+    "1:                                   \n\t"\
+    "movq  (%0, %%"REG_a", 2), %%mm0      \n\t"\
+    "movq 8(%0, %%"REG_a", 2), %%mm1      \n\t"\
+    "paddsw             %%mm7, %%mm0      \n\t"\
+    "paddsw             %%mm7, %%mm1      \n\t"\
+    "psraw                 $7, %%mm0      \n\t"\
+    "psraw                 $7, %%mm1      \n\t"\
+    "packuswb           %%mm1, %%mm0      \n\t"\
+    MOVNTQ(%%mm0, (%1, %%REGa))\
+    "add                   $8, %%"REG_a"  \n\t"\
+    "jnc                   1b             \n\t"
 
 /*
-                       :: "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"
+    :: "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"
 */
+#define YSCALEYUV2PACKEDX_UV \
+    __asm__ volatile(\
+    "xor                   %%"REG_a", %%"REG_a"     \n\t"\
+    ASMALIGN(4)\
+    "nop                                            \n\t"\
+    "1:                                             \n\t"\
+    "lea "CHR_MMX_FILTER_OFFSET"(%0), %%"REG_d"     \n\t"\
+    "mov                 (%%"REG_d"), %%"REG_S"     \n\t"\
+    "movq      "VROUNDER_OFFSET"(%0), %%mm3         \n\t"\
+    "movq                      %%mm3, %%mm4         \n\t"\
+    ASMALIGN(4)\
+    "2:                                             \n\t"\
+    "movq               8(%%"REG_d"), %%mm0         \n\t" /* filterCoeff */\
+    "movq     (%%"REG_S", %%"REG_a"), %%mm2         \n\t" /* UsrcData */\
+    "movq "AV_STRINGIFY(VOF)"(%%"REG_S", %%"REG_a"), %%mm5         \n\t" /* VsrcData */\
+    "add                         $16, %%"REG_d"     \n\t"\
+    "mov                 (%%"REG_d"), %%"REG_S"     \n\t"\
+    "pmulhw                    %%mm0, %%mm2         \n\t"\
+    "pmulhw                    %%mm0, %%mm5         \n\t"\
+    "paddw                     %%mm2, %%mm3         \n\t"\
+    "paddw                     %%mm5, %%mm4         \n\t"\
+    "test                  %%"REG_S", %%"REG_S"     \n\t"\
+    " jnz                         2b                \n\t"\
+
+#define YSCALEYUV2PACKEDX_YA(offset,coeff,src1,src2,dst1,dst2) \
+    "lea                "offset"(%0), %%"REG_d"     \n\t"\
+    "mov                 (%%"REG_d"), %%"REG_S"     \n\t"\
+    "movq      "VROUNDER_OFFSET"(%0), "#dst1"       \n\t"\
+    "movq                    "#dst1", "#dst2"       \n\t"\
+    ASMALIGN(4)\
+    "2:                                             \n\t"\
+    "movq               8(%%"REG_d"), "#coeff"      \n\t" /* filterCoeff */\
+    "movq  (%%"REG_S", %%"REG_a", 2), "#src1"       \n\t" /* Y1srcData */\
+    "movq 8(%%"REG_S", %%"REG_a", 2), "#src2"       \n\t" /* Y2srcData */\
+    "add                         $16, %%"REG_d"            \n\t"\
+    "mov                 (%%"REG_d"), %%"REG_S"     \n\t"\
+    "pmulhw                 "#coeff", "#src1"       \n\t"\
+    "pmulhw                 "#coeff", "#src2"       \n\t"\
+    "paddw                   "#src1", "#dst1"       \n\t"\
+    "paddw                   "#src2", "#dst2"       \n\t"\
+    "test                  %%"REG_S", %%"REG_S"     \n\t"\
+    " jnz                         2b                \n\t"\
+
 #define YSCALEYUV2PACKEDX \
-       asm volatile(\
-               "xor %%"REG_a", %%"REG_a"       \n\t"\
-               ASMALIGN(4)\
-               "nop                            \n\t"\
-               "1:                             \n\t"\
-               "lea "CHR_MMX_FILTER_OFFSET"(%0), %%"REG_d"\n\t"\
-               "mov (%%"REG_d"), %%"REG_S"     \n\t"\
-               "movq "VROUNDER_OFFSET"(%0), %%mm3\n\t"\
-               "movq %%mm3, %%mm4              \n\t"\
-               ASMALIGN(4)\
-               "2:                             \n\t"\
-               "movq 8(%%"REG_d"), %%mm0       \n\t" /* filterCoeff */\
-               "movq (%%"REG_S", %%"REG_a"), %%mm2     \n\t" /* UsrcData */\
-               "movq 4096(%%"REG_S", %%"REG_a"), %%mm5 \n\t" /* VsrcData */\
-               "add $16, %%"REG_d"             \n\t"\
-               "mov (%%"REG_d"), %%"REG_S"     \n\t"\
-               "pmulhw %%mm0, %%mm2            \n\t"\
-               "pmulhw %%mm0, %%mm5            \n\t"\
-               "paddw %%mm2, %%mm3             \n\t"\
-               "paddw %%mm5, %%mm4             \n\t"\
-               "test %%"REG_S", %%"REG_S"      \n\t"\
-               " jnz 2b                        \n\t"\
-\
-               "lea "LUM_MMX_FILTER_OFFSET"(%0), %%"REG_d"\n\t"\
-               "mov (%%"REG_d"), %%"REG_S"     \n\t"\
-               "movq "VROUNDER_OFFSET"(%0), %%mm1\n\t"\
-               "movq %%mm1, %%mm7              \n\t"\
-               ASMALIGN(4)\
-               "2:                             \n\t"\
-               "movq 8(%%"REG_d"), %%mm0       \n\t" /* filterCoeff */\
-               "movq (%%"REG_S", %%"REG_a", 2), %%mm2  \n\t" /* Y1srcData */\
-               "movq 8(%%"REG_S", %%"REG_a", 2), %%mm5 \n\t" /* Y2srcData */\
-               "add $16, %%"REG_d"             \n\t"\
-               "mov (%%"REG_d"), %%"REG_S"     \n\t"\
-               "pmulhw %%mm0, %%mm2            \n\t"\
-               "pmulhw %%mm0, %%mm5            \n\t"\
-               "paddw %%mm2, %%mm1             \n\t"\
-               "paddw %%mm5, %%mm7             \n\t"\
-               "test %%"REG_S", %%"REG_S"      \n\t"\
-               " jnz 2b                        \n\t"\
-
-#define YSCALEYUV2PACKEDX_END\
-        :: "r" (&c->redDither), \
-            "m" (dummy), "m" (dummy), "m" (dummy),\
-            "r" (dest), "m" (dstW)\
-        : "%"REG_a, "%"REG_d, "%"REG_S\
-        );
+    YSCALEYUV2PACKEDX_UV \
+    YSCALEYUV2PACKEDX_YA(LUM_MMX_FILTER_OFFSET,%%mm0,%%mm2,%%mm5,%%mm1,%%mm7) \
+
+#define YSCALEYUV2PACKEDX_END                 \
+    :: "r" (&c->redDither),                   \
+        "m" (dummy), "m" (dummy), "m" (dummy),\
+        "r" (dest), "m" (dstW)                \
+    : "%"REG_a, "%"REG_d, "%"REG_S            \
+    );
+
+#define YSCALEYUV2PACKEDX_ACCURATE_UV \
+    __asm__ volatile(\
+    "xor %%"REG_a", %%"REG_a"                       \n\t"\
+    ASMALIGN(4)\
+    "nop                                            \n\t"\
+    "1:                                             \n\t"\
+    "lea "CHR_MMX_FILTER_OFFSET"(%0), %%"REG_d"     \n\t"\
+    "mov                 (%%"REG_d"), %%"REG_S"     \n\t"\
+    "pxor                      %%mm4, %%mm4         \n\t"\
+    "pxor                      %%mm5, %%mm5         \n\t"\
+    "pxor                      %%mm6, %%mm6         \n\t"\
+    "pxor                      %%mm7, %%mm7         \n\t"\
+    ASMALIGN(4)\
+    "2:                                             \n\t"\
+    "movq     (%%"REG_S", %%"REG_a"), %%mm0         \n\t" /* UsrcData */\
+    "movq "AV_STRINGIFY(VOF)"(%%"REG_S", %%"REG_a"), %%mm2         \n\t" /* VsrcData */\
+    "mov "STR(APCK_PTR2)"(%%"REG_d"), %%"REG_S"     \n\t"\
+    "movq     (%%"REG_S", %%"REG_a"), %%mm1         \n\t" /* UsrcData */\
+    "movq                      %%mm0, %%mm3         \n\t"\
+    "punpcklwd                 %%mm1, %%mm0         \n\t"\
+    "punpckhwd                 %%mm1, %%mm3         \n\t"\
+    "movq "STR(APCK_COEF)"(%%"REG_d"),%%mm1         \n\t" /* filterCoeff */\
+    "pmaddwd                   %%mm1, %%mm0         \n\t"\
+    "pmaddwd                   %%mm1, %%mm3         \n\t"\
+    "paddd                     %%mm0, %%mm4         \n\t"\
+    "paddd                     %%mm3, %%mm5         \n\t"\
+    "movq "AV_STRINGIFY(VOF)"(%%"REG_S", %%"REG_a"), %%mm3         \n\t" /* VsrcData */\
+    "mov "STR(APCK_SIZE)"(%%"REG_d"), %%"REG_S"     \n\t"\
+    "add           $"STR(APCK_SIZE)", %%"REG_d"     \n\t"\
+    "test                  %%"REG_S", %%"REG_S"     \n\t"\
+    "movq                      %%mm2, %%mm0         \n\t"\
+    "punpcklwd                 %%mm3, %%mm2         \n\t"\
+    "punpckhwd                 %%mm3, %%mm0         \n\t"\
+    "pmaddwd                   %%mm1, %%mm2         \n\t"\
+    "pmaddwd                   %%mm1, %%mm0         \n\t"\
+    "paddd                     %%mm2, %%mm6         \n\t"\
+    "paddd                     %%mm0, %%mm7         \n\t"\
+    " jnz                         2b                \n\t"\
+    "psrad                       $16, %%mm4         \n\t"\
+    "psrad                       $16, %%mm5         \n\t"\
+    "psrad                       $16, %%mm6         \n\t"\
+    "psrad                       $16, %%mm7         \n\t"\
+    "movq      "VROUNDER_OFFSET"(%0), %%mm0         \n\t"\
+    "packssdw                  %%mm5, %%mm4         \n\t"\
+    "packssdw                  %%mm7, %%mm6         \n\t"\
+    "paddw                     %%mm0, %%mm4         \n\t"\
+    "paddw                     %%mm0, %%mm6         \n\t"\
+    "movq                      %%mm4, "U_TEMP"(%0)  \n\t"\
+    "movq                      %%mm6, "V_TEMP"(%0)  \n\t"\
+
+#define YSCALEYUV2PACKEDX_ACCURATE_YA(offset) \
+    "lea                "offset"(%0), %%"REG_d"     \n\t"\
+    "mov                 (%%"REG_d"), %%"REG_S"     \n\t"\
+    "pxor                      %%mm1, %%mm1         \n\t"\
+    "pxor                      %%mm5, %%mm5         \n\t"\
+    "pxor                      %%mm7, %%mm7         \n\t"\
+    "pxor                      %%mm6, %%mm6         \n\t"\
+    ASMALIGN(4)\
+    "2:                                             \n\t"\
+    "movq  (%%"REG_S", %%"REG_a", 2), %%mm0         \n\t" /* Y1srcData */\
+    "movq 8(%%"REG_S", %%"REG_a", 2), %%mm2         \n\t" /* Y2srcData */\
+    "mov "STR(APCK_PTR2)"(%%"REG_d"), %%"REG_S"     \n\t"\
+    "movq  (%%"REG_S", %%"REG_a", 2), %%mm4         \n\t" /* Y1srcData */\
+    "movq                      %%mm0, %%mm3         \n\t"\
+    "punpcklwd                 %%mm4, %%mm0         \n\t"\
+    "punpckhwd                 %%mm4, %%mm3         \n\t"\
+    "movq "STR(APCK_COEF)"(%%"REG_d"), %%mm4         \n\t" /* filterCoeff */\
+    "pmaddwd                   %%mm4, %%mm0         \n\t"\
+    "pmaddwd                   %%mm4, %%mm3         \n\t"\
+    "paddd                     %%mm0, %%mm1         \n\t"\
+    "paddd                     %%mm3, %%mm5         \n\t"\
+    "movq 8(%%"REG_S", %%"REG_a", 2), %%mm3         \n\t" /* Y2srcData */\
+    "mov "STR(APCK_SIZE)"(%%"REG_d"), %%"REG_S"     \n\t"\
+    "add           $"STR(APCK_SIZE)", %%"REG_d"     \n\t"\
+    "test                  %%"REG_S", %%"REG_S"     \n\t"\
+    "movq                      %%mm2, %%mm0         \n\t"\
+    "punpcklwd                 %%mm3, %%mm2         \n\t"\
+    "punpckhwd                 %%mm3, %%mm0         \n\t"\
+    "pmaddwd                   %%mm4, %%mm2         \n\t"\
+    "pmaddwd                   %%mm4, %%mm0         \n\t"\
+    "paddd                     %%mm2, %%mm7         \n\t"\
+    "paddd                     %%mm0, %%mm6         \n\t"\
+    " jnz                         2b                \n\t"\
+    "psrad                       $16, %%mm1         \n\t"\
+    "psrad                       $16, %%mm5         \n\t"\
+    "psrad                       $16, %%mm7         \n\t"\
+    "psrad                       $16, %%mm6         \n\t"\
+    "movq      "VROUNDER_OFFSET"(%0), %%mm0         \n\t"\
+    "packssdw                  %%mm5, %%mm1         \n\t"\
+    "packssdw                  %%mm6, %%mm7         \n\t"\
+    "paddw                     %%mm0, %%mm1         \n\t"\
+    "paddw                     %%mm0, %%mm7         \n\t"\
+    "movq               "U_TEMP"(%0), %%mm3         \n\t"\
+    "movq               "V_TEMP"(%0), %%mm4         \n\t"\
 
 #define YSCALEYUV2PACKEDX_ACCURATE \
-       asm volatile(\
-               "xor %%"REG_a", %%"REG_a"       \n\t"\
-               ASMALIGN(4)\
-               "nop                            \n\t"\
-               "1:                             \n\t"\
-               "lea "CHR_MMX_FILTER_OFFSET"(%0), %%"REG_d"\n\t"\
-               "mov (%%"REG_d"), %%"REG_S"     \n\t"\
-                "pxor %%mm4, %%mm4              \n\t"\
-                "pxor %%mm5, %%mm5              \n\t"\
-                "pxor %%mm6, %%mm6              \n\t"\
-                "pxor %%mm7, %%mm7              \n\t"\
-               ASMALIGN(4)\
-               "2:                             \n\t"\
-               "movq (%%"REG_S", %%"REG_a"), %%mm0     \n\t" /* UsrcData */\
-               "movq 4096(%%"REG_S", %%"REG_a"), %%mm2 \n\t" /* VsrcData */\
-               "mov 4(%%"REG_d"), %%"REG_S"    \n\t"\
-               "movq (%%"REG_S", %%"REG_a"), %%mm1     \n\t" /* UsrcData */\
-                "movq %%mm0, %%mm3              \n\t"\
-                "punpcklwd %%mm1, %%mm0        \n\t"\
-                "punpckhwd %%mm1, %%mm3        \n\t"\
-                "movq 8(%%"REG_d"), %%mm1      \n\t" /* filterCoeff */\
-                "pmaddwd %%mm1, %%mm0           \n\t"\
-                "pmaddwd %%mm1, %%mm3           \n\t"\
-                "paddd %%mm0, %%mm4             \n\t"\
-                "paddd %%mm3, %%mm5             \n\t"\
-               "movq 4096(%%"REG_S", %%"REG_a"), %%mm3 \n\t" /* VsrcData */\
-                "mov 16(%%"REG_d"), %%"REG_S"  \n\t"\
-               "add $16, %%"REG_d"             \n\t"\
-                "test %%"REG_S", %%"REG_S"      \n\t"\
-                "movq %%mm2, %%mm0              \n\t"\
-                "punpcklwd %%mm3, %%mm2        \n\t"\
-                "punpckhwd %%mm3, %%mm0        \n\t"\
-                "pmaddwd %%mm1, %%mm2           \n\t"\
-                "pmaddwd %%mm1, %%mm0           \n\t"\
-                "paddd %%mm2, %%mm6             \n\t"\
-                "paddd %%mm0, %%mm7             \n\t"\
-               " jnz 2b                        \n\t"\
-                "psrad $16, %%mm4              \n\t"\
-                "psrad $16, %%mm5              \n\t"\
-                "psrad $16, %%mm6              \n\t"\
-                "psrad $16, %%mm7              \n\t"\
-                "movq "VROUNDER_OFFSET"(%0), %%mm0\n\t"\
-                "packssdw %%mm5, %%mm4         \n\t"\
-                "packssdw %%mm7, %%mm6         \n\t"\
-                "paddw %%mm0, %%mm4             \n\t"\
-                "paddw %%mm0, %%mm6             \n\t"\
-                "movq %%mm4, "U_TEMP"(%0)       \n\t"\
-                "movq %%mm6, "V_TEMP"(%0)       \n\t"\
-\
-               "lea "LUM_MMX_FILTER_OFFSET"(%0), %%"REG_d"\n\t"\
-               "mov (%%"REG_d"), %%"REG_S"     \n\t"\
-                "pxor %%mm1, %%mm1              \n\t"\
-                "pxor %%mm5, %%mm5              \n\t"\
-                "pxor %%mm7, %%mm7              \n\t"\
-                "pxor %%mm6, %%mm6              \n\t"\
-               ASMALIGN(4)\
-               "2:                             \n\t"\
-               "movq (%%"REG_S", %%"REG_a", 2), %%mm0  \n\t" /* Y1srcData */\
-               "movq 8(%%"REG_S", %%"REG_a", 2), %%mm2 \n\t" /* Y2srcData */\
-               "mov 4(%%"REG_d"), %%"REG_S"    \n\t"\
-               "movq (%%"REG_S", %%"REG_a", 2), %%mm4  \n\t" /* Y1srcData */\
-                "movq %%mm0, %%mm3              \n\t"\
-                "punpcklwd %%mm4, %%mm0        \n\t"\
-                "punpckhwd %%mm4, %%mm3        \n\t"\
-                "movq 8(%%"REG_d"), %%mm4      \n\t" /* filterCoeff */\
-                "pmaddwd %%mm4, %%mm0           \n\t"\
-                "pmaddwd %%mm4, %%mm3           \n\t"\
-                "paddd %%mm0, %%mm1             \n\t"\
-                "paddd %%mm3, %%mm5             \n\t"\
-               "movq 8(%%"REG_S", %%"REG_a", 2), %%mm3 \n\t" /* Y2srcData */\
-                "mov 16(%%"REG_d"), %%"REG_S"  \n\t"\
-               "add $16, %%"REG_d"             \n\t"\
-                "test %%"REG_S", %%"REG_S"      \n\t"\
-                "movq %%mm2, %%mm0              \n\t"\
-                "punpcklwd %%mm3, %%mm2        \n\t"\
-                "punpckhwd %%mm3, %%mm0        \n\t"\
-                "pmaddwd %%mm4, %%mm2           \n\t"\
-                "pmaddwd %%mm4, %%mm0           \n\t"\
-                "paddd %%mm2, %%mm7             \n\t"\
-                "paddd %%mm0, %%mm6             \n\t"\
-               " jnz 2b                        \n\t"\
-                "psrad $16, %%mm1              \n\t"\
-                "psrad $16, %%mm5              \n\t"\
-                "psrad $16, %%mm7              \n\t"\
-                "psrad $16, %%mm6              \n\t"\
-                "movq "VROUNDER_OFFSET"(%0), %%mm0\n\t"\
-                "packssdw %%mm5, %%mm1         \n\t"\
-                "packssdw %%mm6, %%mm7         \n\t"\
-                "paddw %%mm0, %%mm1             \n\t"\
-                "paddw %%mm0, %%mm7             \n\t"\
-                "movq  "U_TEMP"(%0), %%mm3      \n\t"\
-                "movq  "V_TEMP"(%0), %%mm4      \n\t"\
+    YSCALEYUV2PACKEDX_ACCURATE_UV \
+    YSCALEYUV2PACKEDX_ACCURATE_YA(LUM_MMX_FILTER_OFFSET)
 
 #define YSCALEYUV2RGBX \
-               "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 "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 "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"\
-               "movq %%mm5, %%mm6              \n\t"\
-               "movq %%mm4, %%mm3              \n\t"\
-               "punpcklwd %%mm2, %%mm2         \n\t"\
-               "punpcklwd %%mm5, %%mm5         \n\t"\
-               "punpcklwd %%mm4, %%mm4         \n\t"\
-               "paddw %%mm1, %%mm2             \n\t"\
-               "paddw %%mm1, %%mm5             \n\t"\
-               "paddw %%mm1, %%mm4             \n\t"\
-               "punpckhwd %%mm0, %%mm0         \n\t"\
-               "punpckhwd %%mm6, %%mm6         \n\t"\
-               "punpckhwd %%mm3, %%mm3         \n\t"\
-               "paddw %%mm7, %%mm0             \n\t"\
-               "paddw %%mm7, %%mm6             \n\t"\
-               "paddw %%mm7, %%mm3             \n\t"\
-               /* mm0=B1, mm2=B2, mm3=G2, mm4=G1, mm5=R1, mm6=R2 */\
-               "packuswb %%mm0, %%mm2          \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*/\
-               "punpcklwd %%mm6, %%mm6         \n\t"\
-               "punpcklwd %%mm6, %%mm6         \n\t"\
-               "movd %7, %%mm5                 \n\t" /*uvalpha1*/\
-               "punpcklwd %%mm5, %%mm5         \n\t"\
-               "punpcklwd %%mm5, %%mm5         \n\t"\
-               "xor %%"REG_a", %%"REG_a"               \n\t"\
-               ASMALIGN(4)\
-               "1:                             \n\t"\
-               "movq (%0, %%"REG_a", 2), %%mm0 \n\t" /*buf0[eax]*/\
-               "movq (%1, %%"REG_a", 2), %%mm1 \n\t" /*buf1[eax]*/\
-               "movq (%2, %%"REG_a",2), %%mm2  \n\t" /* uvbuf0[eax]*/\
-               "movq (%3, %%"REG_a",2), %%mm3  \n\t" /* uvbuf1[eax]*/\
-               "psubw %%mm1, %%mm0             \n\t" /* buf0[eax] - buf1[eax]*/\
-               "psubw %%mm3, %%mm2             \n\t" /* uvbuf0[eax] - uvbuf1[eax]*/\
-               "pmulhw %%mm6, %%mm0            \n\t" /* (buf0[eax] - buf1[eax])yalpha1>>16*/\
-               "pmulhw %%mm5, %%mm2            \n\t" /* (uvbuf0[eax] - uvbuf1[eax])uvalpha1>>16*/\
-               "psraw $4, %%mm1                \n\t" /* buf0[eax] - buf1[eax] >>4*/\
-               "movq 4096(%2, %%"REG_a",2), %%mm4      \n\t" /* uvbuf0[eax+2048]*/\
-               "psraw $4, %%mm3                \n\t" /* uvbuf0[eax] - uvbuf1[eax] >>4*/\
-               "paddw %%mm0, %%mm1             \n\t" /* buf0[eax]yalpha1 + buf1[eax](1-yalpha1) >>16*/\
-               "movq 4096(%3, %%"REG_a",2), %%mm0      \n\t" /* uvbuf1[eax+2048]*/\
-               "paddw %%mm2, %%mm3             \n\t" /* uvbuf0[eax]uvalpha1 - uvbuf1[eax](1-uvalpha1)*/\
-               "psubw %%mm0, %%mm4             \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048]*/\
-               "psubw "MANGLE(w80)", %%mm1     \n\t" /* 8(Y-16)*/\
-               "psubw "MANGLE(w400)", %%mm3    \n\t" /* 8(U-128)*/\
-               "pmulhw "MANGLE(yCoeff)", %%mm1 \n\t"\
-\
-\
-               "pmulhw %%mm5, %%mm4            \n\t" /* (uvbuf0[eax+2048] - uvbuf1[eax+2048])uvalpha1>>16*/\
-               "movq %%mm3, %%mm2              \n\t" /* (U-128)8*/\
-               "pmulhw "MANGLE(ubCoeff)", %%mm3\n\t"\
-               "psraw $4, %%mm0                \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048] >>4*/\
-               "pmulhw "MANGLE(ugCoeff)", %%mm2\n\t"\
-               "paddw %%mm4, %%mm0             \n\t" /* uvbuf0[eax+2048]uvalpha1 - uvbuf1[eax+2048](1-uvalpha1)*/\
-               "psubw "MANGLE(w400)", %%mm0    \n\t" /* (V-128)8*/\
-\
-\
-               "movq %%mm0, %%mm4              \n\t" /* (V-128)8*/\
-               "pmulhw "MANGLE(vrCoeff)", %%mm0\n\t"\
-               "pmulhw "MANGLE(vgCoeff)", %%mm4\n\t"\
-               "paddw %%mm1, %%mm3             \n\t" /* B*/\
-               "paddw %%mm1, %%mm0             \n\t" /* R*/\
-               "packuswb %%mm3, %%mm3          \n\t"\
-\
-               "packuswb %%mm0, %%mm0          \n\t"\
-               "paddw %%mm4, %%mm2             \n\t"\
-               "paddw %%mm2, %%mm1             \n\t" /* G*/\
-\
-               "packuswb %%mm1, %%mm1          \n\t"
-#endif
+    "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 "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 "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"\
+    "movq            %%mm5, %%mm6       \n\t"\
+    "movq            %%mm4, %%mm3       \n\t"\
+    "punpcklwd       %%mm2, %%mm2       \n\t"\
+    "punpcklwd       %%mm5, %%mm5       \n\t"\
+    "punpcklwd       %%mm4, %%mm4       \n\t"\
+    "paddw           %%mm1, %%mm2       \n\t"\
+    "paddw           %%mm1, %%mm5       \n\t"\
+    "paddw           %%mm1, %%mm4       \n\t"\
+    "punpckhwd       %%mm0, %%mm0       \n\t"\
+    "punpckhwd       %%mm6, %%mm6       \n\t"\
+    "punpckhwd       %%mm3, %%mm3       \n\t"\
+    "paddw           %%mm7, %%mm0       \n\t"\
+    "paddw           %%mm7, %%mm6       \n\t"\
+    "paddw           %%mm7, %%mm3       \n\t"\
+    /* mm0=B1, mm2=B2, mm3=G2, mm4=G1, mm5=R1, mm6=R2 */\
+    "packuswb        %%mm0, %%mm2       \n\t"\
+    "packuswb        %%mm6, %%mm5       \n\t"\
+    "packuswb        %%mm3, %%mm4       \n\t"\
 
 #define REAL_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"\
-               "xor "#index", "#index"         \n\t"\
-               ASMALIGN(4)\
-               "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 $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*/\
-                
+    "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"\
+    "xor            "#index", "#index"                        \n\t"\
+    ASMALIGN(4)\
+    "1:                                 \n\t"\
+    "movq     (%2, "#index"), %%mm2     \n\t" /* uvbuf0[eax]*/\
+    "movq     (%3, "#index"), %%mm3     \n\t" /* uvbuf1[eax]*/\
+    "movq "AV_STRINGIFY(VOF)"(%2, "#index"), %%mm5     \n\t" /* uvbuf0[eax+2048]*/\
+    "movq "AV_STRINGIFY(VOF)"(%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                $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 YSCALEYUV2PACKED(index, c)  REAL_YSCALEYUV2PACKED(index, c)
-                
-#define REAL_YSCALEYUV2RGB(index, c) \
-               "xor "#index", "#index" \n\t"\
-               ASMALIGN(4)\
-               "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 "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 "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, "#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 $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 "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"\
-               "movq %%mm5, %%mm6              \n\t"\
-               "movq %%mm4, %%mm3              \n\t"\
-               "punpcklwd %%mm2, %%mm2         \n\t"\
-               "punpcklwd %%mm5, %%mm5         \n\t"\
-               "punpcklwd %%mm4, %%mm4         \n\t"\
-               "paddw %%mm1, %%mm2             \n\t"\
-               "paddw %%mm1, %%mm5             \n\t"\
-               "paddw %%mm1, %%mm4             \n\t"\
-               "punpckhwd %%mm0, %%mm0         \n\t"\
-               "punpckhwd %%mm6, %%mm6         \n\t"\
-               "punpckhwd %%mm3, %%mm3         \n\t"\
-               "paddw %%mm7, %%mm0             \n\t"\
-               "paddw %%mm7, %%mm6             \n\t"\
-               "paddw %%mm7, %%mm3             \n\t"\
-               /* mm0=B1, mm2=B2, mm3=G2, mm4=G1, mm5=R1, mm6=R2 */\
-               "packuswb %%mm0, %%mm2          \n\t"\
-               "packuswb %%mm6, %%mm5          \n\t"\
-               "packuswb %%mm3, %%mm4          \n\t"\
-               "pxor %%mm7, %%mm7              \n\t"
-#define YSCALEYUV2RGB(index, c)  REAL_YSCALEYUV2RGB(index, c)
-                
+
+#define REAL_YSCALEYUV2RGB_UV(index, c) \
+    "xor            "#index", "#index"  \n\t"\
+    ASMALIGN(4)\
+    "1:                                 \n\t"\
+    "movq     (%2, "#index"), %%mm2     \n\t" /* uvbuf0[eax]*/\
+    "movq     (%3, "#index"), %%mm3     \n\t" /* uvbuf1[eax]*/\
+    "movq "AV_STRINGIFY(VOF)"(%2, "#index"), %%mm5     \n\t" /* uvbuf0[eax+2048]*/\
+    "movq "AV_STRINGIFY(VOF)"(%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  "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 "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 */\
+
+#define REAL_YSCALEYUV2RGB_YA(index, c, b1, b2) \
+    "movq  ("#b1", "#index", 2), %%mm0     \n\t" /*buf0[eax]*/\
+    "movq  ("#b2", "#index", 2), %%mm1     \n\t" /*buf1[eax]*/\
+    "movq 8("#b1", "#index", 2), %%mm6     \n\t" /*buf0[eax]*/\
+    "movq 8("#b2", "#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                $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*/\
+
+#define REAL_YSCALEYUV2RGB_COEFF(c) \
+    "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"\
+    "movq              %%mm5, %%mm6     \n\t"\
+    "movq              %%mm4, %%mm3     \n\t"\
+    "punpcklwd         %%mm2, %%mm2     \n\t"\
+    "punpcklwd         %%mm5, %%mm5     \n\t"\
+    "punpcklwd         %%mm4, %%mm4     \n\t"\
+    "paddw             %%mm1, %%mm2     \n\t"\
+    "paddw             %%mm1, %%mm5     \n\t"\
+    "paddw             %%mm1, %%mm4     \n\t"\
+    "punpckhwd         %%mm0, %%mm0     \n\t"\
+    "punpckhwd         %%mm6, %%mm6     \n\t"\
+    "punpckhwd         %%mm3, %%mm3     \n\t"\
+    "paddw             %%mm7, %%mm0     \n\t"\
+    "paddw             %%mm7, %%mm6     \n\t"\
+    "paddw             %%mm7, %%mm3     \n\t"\
+    /* mm0=B1, mm2=B2, mm3=G2, mm4=G1, mm5=R1, mm6=R2 */\
+    "packuswb          %%mm0, %%mm2     \n\t"\
+    "packuswb          %%mm6, %%mm5     \n\t"\
+    "packuswb          %%mm3, %%mm4     \n\t"\
+
+#define YSCALEYUV2RGB_YA(index, c, b1, b2) REAL_YSCALEYUV2RGB_YA(index, c, b1, b2)
+
+#define YSCALEYUV2RGB(index, c) \
+    REAL_YSCALEYUV2RGB_UV(index, c) \
+    REAL_YSCALEYUV2RGB_YA(index, c, %0, %1) \
+    REAL_YSCALEYUV2RGB_COEFF(c)
+
 #define REAL_YSCALEYUV2PACKED1(index, c) \
-               "xor "#index", "#index"         \n\t"\
-               ASMALIGN(4)\
-               "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" \
-                
+    "xor            "#index", "#index"  \n\t"\
+    ASMALIGN(4)\
+    "1:                                 \n\t"\
+    "movq     (%2, "#index"), %%mm3     \n\t" /* uvbuf0[eax]*/\
+    "movq "AV_STRINGIFY(VOF)"(%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 YSCALEYUV2PACKED1(index, c)  REAL_YSCALEYUV2PACKED1(index, c)
-                
+
 #define REAL_YSCALEYUV2RGB1(index, c) \
-               "xor "#index", "#index" \n\t"\
-               ASMALIGN(4)\
-               "1:                             \n\t"\
-               "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 "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 "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, "#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 "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"\
-               "movq %%mm5, %%mm6              \n\t"\
-               "movq %%mm4, %%mm3              \n\t"\
-               "punpcklwd %%mm2, %%mm2         \n\t"\
-               "punpcklwd %%mm5, %%mm5         \n\t"\
-               "punpcklwd %%mm4, %%mm4         \n\t"\
-               "paddw %%mm1, %%mm2             \n\t"\
-               "paddw %%mm1, %%mm5             \n\t"\
-               "paddw %%mm1, %%mm4             \n\t"\
-               "punpckhwd %%mm0, %%mm0         \n\t"\
-               "punpckhwd %%mm6, %%mm6         \n\t"\
-               "punpckhwd %%mm3, %%mm3         \n\t"\
-               "paddw %%mm7, %%mm0             \n\t"\
-               "paddw %%mm7, %%mm6             \n\t"\
-               "paddw %%mm7, %%mm3             \n\t"\
-               /* mm0=B1, mm2=B2, mm3=G2, mm4=G1, mm5=R1, mm6=R2 */\
-               "packuswb %%mm0, %%mm2          \n\t"\
-               "packuswb %%mm6, %%mm5          \n\t"\
-               "packuswb %%mm3, %%mm4          \n\t"\
-               "pxor %%mm7, %%mm7              \n\t"
+    "xor            "#index", "#index"  \n\t"\
+    ASMALIGN(4)\
+    "1:                                 \n\t"\
+    "movq     (%2, "#index"), %%mm3     \n\t" /* uvbuf0[eax]*/\
+    "movq "AV_STRINGIFY(VOF)"(%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  "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 "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, "#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 "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"\
+    "movq              %%mm5, %%mm6     \n\t"\
+    "movq              %%mm4, %%mm3     \n\t"\
+    "punpcklwd         %%mm2, %%mm2     \n\t"\
+    "punpcklwd         %%mm5, %%mm5     \n\t"\
+    "punpcklwd         %%mm4, %%mm4     \n\t"\
+    "paddw             %%mm1, %%mm2     \n\t"\
+    "paddw             %%mm1, %%mm5     \n\t"\
+    "paddw             %%mm1, %%mm4     \n\t"\
+    "punpckhwd         %%mm0, %%mm0     \n\t"\
+    "punpckhwd         %%mm6, %%mm6     \n\t"\
+    "punpckhwd         %%mm3, %%mm3     \n\t"\
+    "paddw             %%mm7, %%mm0     \n\t"\
+    "paddw             %%mm7, %%mm6     \n\t"\
+    "paddw             %%mm7, %%mm3     \n\t"\
+    /* mm0=B1, mm2=B2, mm3=G2, mm4=G1, mm5=R1, mm6=R2 */\
+    "packuswb          %%mm0, %%mm2     \n\t"\
+    "packuswb          %%mm6, %%mm5     \n\t"\
+    "packuswb          %%mm3, %%mm4     \n\t"\
+
 #define YSCALEYUV2RGB1(index, c)  REAL_YSCALEYUV2RGB1(index, c)
 
 #define REAL_YSCALEYUV2PACKED1b(index, c) \
-               "xor "#index", "#index"         \n\t"\
-               ASMALIGN(4)\
-               "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" 
+    "xor "#index", "#index"             \n\t"\
+    ASMALIGN(4)\
+    "1:                                 \n\t"\
+    "movq     (%2, "#index"), %%mm2     \n\t" /* uvbuf0[eax]*/\
+    "movq     (%3, "#index"), %%mm3     \n\t" /* uvbuf1[eax]*/\
+    "movq "AV_STRINGIFY(VOF)"(%2, "#index"), %%mm5     \n\t" /* uvbuf0[eax+2048]*/\
+    "movq "AV_STRINGIFY(VOF)"(%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"
 #define YSCALEYUV2PACKED1b(index, c)  REAL_YSCALEYUV2PACKED1b(index, c)
-                
+
 // do vertical chrominance interpolation
 #define REAL_YSCALEYUV2RGB1b(index, c) \
-               "xor "#index", "#index"         \n\t"\
-               ASMALIGN(4)\
-               "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 $5, %%mm3                \n\t" /*FIXME might overflow*/\
-               "psrlw $5, %%mm4                \n\t" /*FIXME might overflow*/\
-               "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 "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, "#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 "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"\
-               "movq %%mm5, %%mm6              \n\t"\
-               "movq %%mm4, %%mm3              \n\t"\
-               "punpcklwd %%mm2, %%mm2         \n\t"\
-               "punpcklwd %%mm5, %%mm5         \n\t"\
-               "punpcklwd %%mm4, %%mm4         \n\t"\
-               "paddw %%mm1, %%mm2             \n\t"\
-               "paddw %%mm1, %%mm5             \n\t"\
-               "paddw %%mm1, %%mm4             \n\t"\
-               "punpckhwd %%mm0, %%mm0         \n\t"\
-               "punpckhwd %%mm6, %%mm6         \n\t"\
-               "punpckhwd %%mm3, %%mm3         \n\t"\
-               "paddw %%mm7, %%mm0             \n\t"\
-               "paddw %%mm7, %%mm6             \n\t"\
-               "paddw %%mm7, %%mm3             \n\t"\
-               /* mm0=B1, mm2=B2, mm3=G2, mm4=G1, mm5=R1, mm6=R2 */\
-               "packuswb %%mm0, %%mm2          \n\t"\
-               "packuswb %%mm6, %%mm5          \n\t"\
-               "packuswb %%mm3, %%mm4          \n\t"\
-               "pxor %%mm7, %%mm7              \n\t"
+    "xor            "#index", "#index"  \n\t"\
+    ASMALIGN(4)\
+    "1:                                 \n\t"\
+    "movq     (%2, "#index"), %%mm2     \n\t" /* uvbuf0[eax]*/\
+    "movq     (%3, "#index"), %%mm3     \n\t" /* uvbuf1[eax]*/\
+    "movq "AV_STRINGIFY(VOF)"(%2, "#index"), %%mm5     \n\t" /* uvbuf0[eax+2048]*/\
+    "movq "AV_STRINGIFY(VOF)"(%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  "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 "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, "#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 "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"\
+    "movq              %%mm5, %%mm6     \n\t"\
+    "movq              %%mm4, %%mm3     \n\t"\
+    "punpcklwd         %%mm2, %%mm2     \n\t"\
+    "punpcklwd         %%mm5, %%mm5     \n\t"\
+    "punpcklwd         %%mm4, %%mm4     \n\t"\
+    "paddw             %%mm1, %%mm2     \n\t"\
+    "paddw             %%mm1, %%mm5     \n\t"\
+    "paddw             %%mm1, %%mm4     \n\t"\
+    "punpckhwd         %%mm0, %%mm0     \n\t"\
+    "punpckhwd         %%mm6, %%mm6     \n\t"\
+    "punpckhwd         %%mm3, %%mm3     \n\t"\
+    "paddw             %%mm7, %%mm0     \n\t"\
+    "paddw             %%mm7, %%mm6     \n\t"\
+    "paddw             %%mm7, %%mm3     \n\t"\
+    /* mm0=B1, mm2=B2, mm3=G2, mm4=G1, mm5=R1, mm6=R2 */\
+    "packuswb          %%mm0, %%mm2     \n\t"\
+    "packuswb          %%mm6, %%mm5     \n\t"\
+    "packuswb          %%mm3, %%mm4     \n\t"\
+
 #define YSCALEYUV2RGB1b(index, c)  REAL_YSCALEYUV2RGB1b(index, c)
 
-#define REAL_WRITEBGR32(dst, dstw, index) \
-               /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */\
-                       "movq %%mm2, %%mm1              \n\t" /* B */\
-                       "movq %%mm5, %%mm6              \n\t" /* R */\
-                       "punpcklbw %%mm4, %%mm2         \n\t" /* GBGBGBGB 0 */\
-                       "punpcklbw %%mm7, %%mm5         \n\t" /* 0R0R0R0R 0 */\
-                       "punpckhbw %%mm4, %%mm1         \n\t" /* GBGBGBGB 2 */\
-                       "punpckhbw %%mm7, %%mm6         \n\t" /* 0R0R0R0R 2 */\
-                       "movq %%mm2, %%mm0              \n\t" /* GBGBGBGB 0 */\
-                       "movq %%mm1, %%mm3              \n\t" /* GBGBGBGB 2 */\
-                       "punpcklwd %%mm5, %%mm0         \n\t" /* 0RGB0RGB 0 */\
-                       "punpckhwd %%mm5, %%mm2         \n\t" /* 0RGB0RGB 1 */\
-                       "punpcklwd %%mm6, %%mm1         \n\t" /* 0RGB0RGB 2 */\
-                       "punpckhwd %%mm6, %%mm3         \n\t" /* 0RGB0RGB 3 */\
+#define REAL_YSCALEYUV2RGB1_ALPHA(index) \
+    "movq  (%1, "#index", 2), %%mm7     \n\t" /* abuf0[index  ]     */\
+    "movq 8(%1, "#index", 2), %%mm1     \n\t" /* abuf0[index+4]     */\
+    "psraw                $7, %%mm7     \n\t" /* abuf0[index  ] >>7 */\
+    "psraw                $7, %%mm1     \n\t" /* abuf0[index+4] >>7 */\
+    "packuswb          %%mm1, %%mm7     \n\t"
+#define YSCALEYUV2RGB1_ALPHA(index) REAL_YSCALEYUV2RGB1_ALPHA(index)
+
+#define REAL_WRITEBGR32(dst, dstw, index, b, g, r, a, q0, q2, q3, t) \
+    "movq       "#b", "#q2"     \n\t" /* B */\
+    "movq       "#r", "#t"      \n\t" /* R */\
+    "punpcklbw  "#g", "#b"      \n\t" /* GBGBGBGB 0 */\
+    "punpcklbw  "#a", "#r"      \n\t" /* ARARARAR 0 */\
+    "punpckhbw  "#g", "#q2"     \n\t" /* GBGBGBGB 2 */\
+    "punpckhbw  "#a", "#t"      \n\t" /* ARARARAR 2 */\
+    "movq       "#b", "#q0"     \n\t" /* GBGBGBGB 0 */\
+    "movq      "#q2", "#q3"     \n\t" /* GBGBGBGB 2 */\
+    "punpcklwd  "#r", "#q0"     \n\t" /* ARGBARGB 0 */\
+    "punpckhwd  "#r", "#b"      \n\t" /* ARGBARGB 1 */\
+    "punpcklwd  "#t", "#q2"     \n\t" /* ARGBARGB 2 */\
+    "punpckhwd  "#t", "#q3"     \n\t" /* ARGBARGB 3 */\
 \
-                       MOVNTQ(%%mm0, (dst, index, 4))\
-                       MOVNTQ(%%mm2, 8(dst, index, 4))\
-                       MOVNTQ(%%mm1, 16(dst, index, 4))\
-                       MOVNTQ(%%mm3, 24(dst, index, 4))\
+    MOVNTQ(   q0,   (dst, index, 4))\
+    MOVNTQ(    b,  8(dst, index, 4))\
+    MOVNTQ(   q2, 16(dst, index, 4))\
+    MOVNTQ(   q3, 24(dst, index, 4))\
 \
-                       "add $8, "#index"               \n\t"\
-                       "cmp "#dstw", "#index"          \n\t"\
-                       " jb 1b                         \n\t"
-#define WRITEBGR32(dst, dstw, index)  REAL_WRITEBGR32(dst, dstw, index)
-
-#define REAL_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 */\
-                       "psrlq $3, %%mm2                \n\t"\
+    "add      $8, "#index"      \n\t"\
+    "cmp "#dstw", "#index"      \n\t"\
+    " jb      1b                \n\t"
+#define WRITEBGR32(dst, dstw, index, b, g, r, a, q0, q2, q3, t)  REAL_WRITEBGR32(dst, dstw, index, b, g, r, a, q0, q2, q3, t)
+
+#define REAL_WRITERGB16(dst, dstw, index) \
+    "pand "MANGLE(bF8)", %%mm2  \n\t" /* B */\
+    "pand "MANGLE(bFC)", %%mm4  \n\t" /* G */\
+    "pand "MANGLE(bF8)", %%mm5  \n\t" /* R */\
+    "psrlq           $3, %%mm2  \n\t"\
 \
-                       "movq %%mm2, %%mm1              \n\t"\
-                       "movq %%mm4, %%mm3              \n\t"\
+    "movq         %%mm2, %%mm1  \n\t"\
+    "movq         %%mm4, %%mm3  \n\t"\
 \
-                       "punpcklbw %%mm7, %%mm3         \n\t"\
-                       "punpcklbw %%mm5, %%mm2         \n\t"\
-                       "punpckhbw %%mm7, %%mm4         \n\t"\
-                       "punpckhbw %%mm5, %%mm1         \n\t"\
+    "punpcklbw    %%mm7, %%mm3  \n\t"\
+    "punpcklbw    %%mm5, %%mm2  \n\t"\
+    "punpckhbw    %%mm7, %%mm4  \n\t"\
+    "punpckhbw    %%mm5, %%mm1  \n\t"\
 \
-                       "psllq $3, %%mm3                \n\t"\
-                       "psllq $3, %%mm4                \n\t"\
+    "psllq           $3, %%mm3  \n\t"\
+    "psllq           $3, %%mm4  \n\t"\
 \
-                       "por %%mm3, %%mm2               \n\t"\
-                       "por %%mm4, %%mm1               \n\t"\
+    "por          %%mm3, %%mm2  \n\t"\
+    "por          %%mm4, %%mm1  \n\t"\
 \
-                       MOVNTQ(%%mm2, (dst, index, 2))\
-                       MOVNTQ(%%mm1, 8(dst, index, 2))\
+    MOVNTQ(%%mm2,  (dst, index, 2))\
+    MOVNTQ(%%mm1, 8(dst, index, 2))\
 \
-                       "add $8, "#index"               \n\t"\
-                       "cmp "#dstw", "#index"          \n\t"\
-                       " jb 1b                         \n\t"
-#define WRITEBGR16(dst, dstw, index)  REAL_WRITEBGR16(dst, dstw, index)
-
-#define REAL_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 */\
-                       "psrlq $3, %%mm2                \n\t"\
-                       "psrlq $1, %%mm5                \n\t"\
+    "add             $8, "#index"   \n\t"\
+    "cmp        "#dstw", "#index"   \n\t"\
+    " jb             1b             \n\t"
+#define WRITERGB16(dst, dstw, index)  REAL_WRITERGB16(dst, dstw, index)
+
+#define REAL_WRITERGB15(dst, dstw, index) \
+    "pand "MANGLE(bF8)", %%mm2  \n\t" /* B */\
+    "pand "MANGLE(bF8)", %%mm4  \n\t" /* G */\
+    "pand "MANGLE(bF8)", %%mm5  \n\t" /* R */\
+    "psrlq           $3, %%mm2  \n\t"\
+    "psrlq           $1, %%mm5  \n\t"\
 \
-                       "movq %%mm2, %%mm1              \n\t"\
-                       "movq %%mm4, %%mm3              \n\t"\
+    "movq         %%mm2, %%mm1  \n\t"\
+    "movq         %%mm4, %%mm3  \n\t"\
 \
-                       "punpcklbw %%mm7, %%mm3         \n\t"\
-                       "punpcklbw %%mm5, %%mm2         \n\t"\
-                       "punpckhbw %%mm7, %%mm4         \n\t"\
-                       "punpckhbw %%mm5, %%mm1         \n\t"\
+    "punpcklbw    %%mm7, %%mm3  \n\t"\
+    "punpcklbw    %%mm5, %%mm2  \n\t"\
+    "punpckhbw    %%mm7, %%mm4  \n\t"\
+    "punpckhbw    %%mm5, %%mm1  \n\t"\
 \
-                       "psllq $2, %%mm3                \n\t"\
-                       "psllq $2, %%mm4                \n\t"\
+    "psllq           $2, %%mm3  \n\t"\
+    "psllq           $2, %%mm4  \n\t"\
 \
-                       "por %%mm3, %%mm2               \n\t"\
-                       "por %%mm4, %%mm1               \n\t"\
+    "por          %%mm3, %%mm2  \n\t"\
+    "por          %%mm4, %%mm1  \n\t"\
 \
-                       MOVNTQ(%%mm2, (dst, index, 2))\
-                       MOVNTQ(%%mm1, 8(dst, index, 2))\
+    MOVNTQ(%%mm2,  (dst, index, 2))\
+    MOVNTQ(%%mm1, 8(dst, index, 2))\
 \
-                       "add $8, "#index"               \n\t"\
-                       "cmp "#dstw", "#index"          \n\t"\
-                       " jb 1b                         \n\t"
-#define WRITEBGR15(dst, dstw, index)  REAL_WRITEBGR15(dst, dstw, index)
+    "add             $8, "#index"   \n\t"\
+    "cmp        "#dstw", "#index"   \n\t"\
+    " jb             1b             \n\t"
+#define WRITERGB15(dst, dstw, index)  REAL_WRITERGB15(dst, dstw, index)
 
 #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 */\
-                       "punpcklbw %%mm4, %%mm2         \n\t" /* GBGBGBGB 0 */\
-                       "punpcklbw %%mm7, %%mm5         \n\t" /* 0R0R0R0R 0 */\
-                       "punpckhbw %%mm4, %%mm1         \n\t" /* GBGBGBGB 2 */\
-                       "punpckhbw %%mm7, %%mm6         \n\t" /* 0R0R0R0R 2 */\
-                       "movq %%mm2, %%mm0              \n\t" /* GBGBGBGB 0 */\
-                       "movq %%mm1, %%mm3              \n\t" /* GBGBGBGB 2 */\
-                       "punpcklwd %%mm5, %%mm0         \n\t" /* 0RGB0RGB 0 */\
-                       "punpckhwd %%mm5, %%mm2         \n\t" /* 0RGB0RGB 1 */\
-                       "punpcklwd %%mm6, %%mm1         \n\t" /* 0RGB0RGB 2 */\
-                       "punpckhwd %%mm6, %%mm3         \n\t" /* 0RGB0RGB 3 */\
+    /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */\
+    "movq      %%mm2, %%mm1             \n\t" /* B */\
+    "movq      %%mm5, %%mm6             \n\t" /* R */\
+    "punpcklbw %%mm4, %%mm2             \n\t" /* GBGBGBGB 0 */\
+    "punpcklbw %%mm7, %%mm5             \n\t" /* 0R0R0R0R 0 */\
+    "punpckhbw %%mm4, %%mm1             \n\t" /* GBGBGBGB 2 */\
+    "punpckhbw %%mm7, %%mm6             \n\t" /* 0R0R0R0R 2 */\
+    "movq      %%mm2, %%mm0             \n\t" /* GBGBGBGB 0 */\
+    "movq      %%mm1, %%mm3             \n\t" /* GBGBGBGB 2 */\
+    "punpcklwd %%mm5, %%mm0             \n\t" /* 0RGB0RGB 0 */\
+    "punpckhwd %%mm5, %%mm2             \n\t" /* 0RGB0RGB 1 */\
+    "punpcklwd %%mm6, %%mm1             \n\t" /* 0RGB0RGB 2 */\
+    "punpckhwd %%mm6, %%mm3             \n\t" /* 0RGB0RGB 3 */\
 \
-                       "movq %%mm0, %%mm4              \n\t" /* 0RGB0RGB 0 */\
-                       "psrlq $8, %%mm0                \n\t" /* 00RGB0RG 0 */\
-                       "pand "MANGLE(bm00000111)", %%mm4\n\t" /* 00000RGB 0 */\
-                       "pand "MANGLE(bm11111000)", %%mm0\n\t" /* 00RGB000 0.5 */\
-                       "por %%mm4, %%mm0               \n\t" /* 00RGBRGB 0 */\
-                       "movq %%mm2, %%mm4              \n\t" /* 0RGB0RGB 1 */\
-                       "psllq $48, %%mm2               \n\t" /* GB000000 1 */\
-                       "por %%mm2, %%mm0               \n\t" /* GBRGBRGB 0 */\
+    "movq      %%mm0, %%mm4             \n\t" /* 0RGB0RGB 0 */\
+    "psrlq        $8, %%mm0             \n\t" /* 00RGB0RG 0 */\
+    "pand "MANGLE(bm00000111)", %%mm4   \n\t" /* 00000RGB 0 */\
+    "pand "MANGLE(bm11111000)", %%mm0   \n\t" /* 00RGB000 0.5 */\
+    "por       %%mm4, %%mm0             \n\t" /* 00RGBRGB 0 */\
+    "movq      %%mm2, %%mm4             \n\t" /* 0RGB0RGB 1 */\
+    "psllq       $48, %%mm2             \n\t" /* GB000000 1 */\
+    "por       %%mm2, %%mm0             \n\t" /* GBRGBRGB 0 */\
 \
-                       "movq %%mm4, %%mm2              \n\t" /* 0RGB0RGB 1 */\
-                       "psrld $16, %%mm4               \n\t" /* 000R000R 1 */\
-                       "psrlq $24, %%mm2               \n\t" /* 0000RGB0 1.5 */\
-                       "por %%mm4, %%mm2               \n\t" /* 000RRGBR 1 */\
-                       "pand "MANGLE(bm00001111)", %%mm2\n\t" /* 0000RGBR 1 */\
-                       "movq %%mm1, %%mm4              \n\t" /* 0RGB0RGB 2 */\
-                       "psrlq $8, %%mm1                \n\t" /* 00RGB0RG 2 */\
-                       "pand "MANGLE(bm00000111)", %%mm4\n\t" /* 00000RGB 2 */\
-                       "pand "MANGLE(bm11111000)", %%mm1\n\t" /* 00RGB000 2.5 */\
-                       "por %%mm4, %%mm1               \n\t" /* 00RGBRGB 2 */\
-                       "movq %%mm1, %%mm4              \n\t" /* 00RGBRGB 2 */\
-                       "psllq $32, %%mm1               \n\t" /* BRGB0000 2 */\
-                       "por %%mm1, %%mm2               \n\t" /* BRGBRGBR 1 */\
+    "movq      %%mm4, %%mm2             \n\t" /* 0RGB0RGB 1 */\
+    "psrld       $16, %%mm4             \n\t" /* 000R000R 1 */\
+    "psrlq       $24, %%mm2             \n\t" /* 0000RGB0 1.5 */\
+    "por       %%mm4, %%mm2             \n\t" /* 000RRGBR 1 */\
+    "pand "MANGLE(bm00001111)", %%mm2   \n\t" /* 0000RGBR 1 */\
+    "movq      %%mm1, %%mm4             \n\t" /* 0RGB0RGB 2 */\
+    "psrlq        $8, %%mm1             \n\t" /* 00RGB0RG 2 */\
+    "pand "MANGLE(bm00000111)", %%mm4   \n\t" /* 00000RGB 2 */\
+    "pand "MANGLE(bm11111000)", %%mm1   \n\t" /* 00RGB000 2.5 */\
+    "por       %%mm4, %%mm1             \n\t" /* 00RGBRGB 2 */\
+    "movq      %%mm1, %%mm4             \n\t" /* 00RGBRGB 2 */\
+    "psllq       $32, %%mm1             \n\t" /* BRGB0000 2 */\
+    "por       %%mm1, %%mm2             \n\t" /* BRGBRGBR 1 */\
 \
-                       "psrlq $32, %%mm4               \n\t" /* 000000RG 2.5 */\
-                       "movq %%mm3, %%mm5              \n\t" /* 0RGB0RGB 3 */\
-                       "psrlq $8, %%mm3                \n\t" /* 00RGB0RG 3 */\
-                       "pand "MANGLE(bm00000111)", %%mm5\n\t" /* 00000RGB 3 */\
-                       "pand "MANGLE(bm11111000)", %%mm3\n\t" /* 00RGB000 3.5 */\
-                       "por %%mm5, %%mm3               \n\t" /* 00RGBRGB 3 */\
-                       "psllq $16, %%mm3               \n\t" /* RGBRGB00 3 */\
-                       "por %%mm4, %%mm3               \n\t" /* RGBRGBRG 2.5 */\
+    "psrlq       $32, %%mm4             \n\t" /* 000000RG 2.5 */\
+    "movq      %%mm3, %%mm5             \n\t" /* 0RGB0RGB 3 */\
+    "psrlq        $8, %%mm3             \n\t" /* 00RGB0RG 3 */\
+    "pand "MANGLE(bm00000111)", %%mm5   \n\t" /* 00000RGB 3 */\
+    "pand "MANGLE(bm11111000)", %%mm3   \n\t" /* 00RGB000 3.5 */\
+    "por       %%mm5, %%mm3             \n\t" /* 00RGBRGB 3 */\
+    "psllq       $16, %%mm3             \n\t" /* RGBRGB00 3 */\
+    "por       %%mm4, %%mm3             \n\t" /* RGBRGBRG 2.5 */\
 \
-                       MOVNTQ(%%mm0, (dst))\
-                       MOVNTQ(%%mm2, 8(dst))\
-                       MOVNTQ(%%mm3, 16(dst))\
-                       "add $24, "#dst"                \n\t"\
+    MOVNTQ(%%mm0,   (dst))\
+    MOVNTQ(%%mm2,  8(dst))\
+    MOVNTQ(%%mm3, 16(dst))\
+    "add         $24, "#dst"            \n\t"\
 \
-                       "add $8, "#index"               \n\t"\
-                       "cmp "#dstw", "#index"          \n\t"\
-                       " jb 1b                         \n\t"
+    "add          $8, "#index"          \n\t"\
+    "cmp     "#dstw", "#index"          \n\t"\
+    " jb          1b                    \n\t"
 
 #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 */\
-                       "punpcklbw %%mm4, %%mm2         \n\t" /* GBGBGBGB 0 */\
-                       "punpcklbw %%mm7, %%mm5         \n\t" /* 0R0R0R0R 0 */\
-                       "punpckhbw %%mm4, %%mm1         \n\t" /* GBGBGBGB 2 */\
-                       "punpckhbw %%mm7, %%mm6         \n\t" /* 0R0R0R0R 2 */\
-                       "movq %%mm2, %%mm0              \n\t" /* GBGBGBGB 0 */\
-                       "movq %%mm1, %%mm3              \n\t" /* GBGBGBGB 2 */\
-                       "punpcklwd %%mm5, %%mm0         \n\t" /* 0RGB0RGB 0 */\
-                       "punpckhwd %%mm5, %%mm2         \n\t" /* 0RGB0RGB 1 */\
-                       "punpcklwd %%mm6, %%mm1         \n\t" /* 0RGB0RGB 2 */\
-                       "punpckhwd %%mm6, %%mm3         \n\t" /* 0RGB0RGB 3 */\
+    /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */\
+    "movq      %%mm2, %%mm1     \n\t" /* B */\
+    "movq      %%mm5, %%mm6     \n\t" /* R */\
+    "punpcklbw %%mm4, %%mm2     \n\t" /* GBGBGBGB 0 */\
+    "punpcklbw %%mm7, %%mm5     \n\t" /* 0R0R0R0R 0 */\
+    "punpckhbw %%mm4, %%mm1     \n\t" /* GBGBGBGB 2 */\
+    "punpckhbw %%mm7, %%mm6     \n\t" /* 0R0R0R0R 2 */\
+    "movq      %%mm2, %%mm0     \n\t" /* GBGBGBGB 0 */\
+    "movq      %%mm1, %%mm3     \n\t" /* GBGBGBGB 2 */\
+    "punpcklwd %%mm5, %%mm0     \n\t" /* 0RGB0RGB 0 */\
+    "punpckhwd %%mm5, %%mm2     \n\t" /* 0RGB0RGB 1 */\
+    "punpcklwd %%mm6, %%mm1     \n\t" /* 0RGB0RGB 2 */\
+    "punpckhwd %%mm6, %%mm3     \n\t" /* 0RGB0RGB 3 */\
 \
-                       "movq %%mm0, %%mm4              \n\t" /* 0RGB0RGB 0 */\
-                       "movq %%mm2, %%mm6              \n\t" /* 0RGB0RGB 1 */\
-                       "movq %%mm1, %%mm5              \n\t" /* 0RGB0RGB 2 */\
-                       "movq %%mm3, %%mm7              \n\t" /* 0RGB0RGB 3 */\
+    "movq      %%mm0, %%mm4     \n\t" /* 0RGB0RGB 0 */\
+    "movq      %%mm2, %%mm6     \n\t" /* 0RGB0RGB 1 */\
+    "movq      %%mm1, %%mm5     \n\t" /* 0RGB0RGB 2 */\
+    "movq      %%mm3, %%mm7     \n\t" /* 0RGB0RGB 3 */\
 \
-                       "psllq $40, %%mm0               \n\t" /* RGB00000 0 */\
-                       "psllq $40, %%mm2               \n\t" /* RGB00000 1 */\
-                       "psllq $40, %%mm1               \n\t" /* RGB00000 2 */\
-                       "psllq $40, %%mm3               \n\t" /* RGB00000 3 */\
+    "psllq       $40, %%mm0     \n\t" /* RGB00000 0 */\
+    "psllq       $40, %%mm2     \n\t" /* RGB00000 1 */\
+    "psllq       $40, %%mm1     \n\t" /* RGB00000 2 */\
+    "psllq       $40, %%mm3     \n\t" /* RGB00000 3 */\
 \
-                       "punpckhdq %%mm4, %%mm0         \n\t" /* 0RGBRGB0 0 */\
-                       "punpckhdq %%mm6, %%mm2         \n\t" /* 0RGBRGB0 1 */\
-                       "punpckhdq %%mm5, %%mm1         \n\t" /* 0RGBRGB0 2 */\
-                       "punpckhdq %%mm7, %%mm3         \n\t" /* 0RGBRGB0 3 */\
+    "punpckhdq %%mm4, %%mm0     \n\t" /* 0RGBRGB0 0 */\
+    "punpckhdq %%mm6, %%mm2     \n\t" /* 0RGBRGB0 1 */\
+    "punpckhdq %%mm5, %%mm1     \n\t" /* 0RGBRGB0 2 */\
+    "punpckhdq %%mm7, %%mm3     \n\t" /* 0RGBRGB0 3 */\
 \
-                       "psrlq $8, %%mm0                \n\t" /* 00RGBRGB 0 */\
-                       "movq %%mm2, %%mm6              \n\t" /* 0RGBRGB0 1 */\
-                       "psllq $40, %%mm2               \n\t" /* GB000000 1 */\
-                       "por %%mm2, %%mm0               \n\t" /* GBRGBRGB 0 */\
-                       MOVNTQ(%%mm0, (dst))\
+    "psrlq        $8, %%mm0     \n\t" /* 00RGBRGB 0 */\
+    "movq      %%mm2, %%mm6     \n\t" /* 0RGBRGB0 1 */\
+    "psllq       $40, %%mm2     \n\t" /* GB000000 1 */\
+    "por       %%mm2, %%mm0     \n\t" /* GBRGBRGB 0 */\
+    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(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(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(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(dst))\
 \
-                       "add $24, "#dst"                \n\t"\
+    "add         $24, "#dst"    \n\t"\
 \
-                       "add $8, "#index"                       \n\t"\
-                       "cmp "#dstw", "#index"                  \n\t"\
-                       " jb 1b                         \n\t"
+    "add          $8, "#index"  \n\t"\
+    "cmp     "#dstw", "#index"  \n\t"\
+    " jb          1b            \n\t"
 
 #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"\
-                       "pshufw $0x50, %%mm2, %%mm1     \n\t" /* B3 B2 B3 B2  B1 B0 B1 B0 */\
-                       "pshufw $0x50, %%mm4, %%mm3     \n\t" /* G3 G2 G3 G2  G1 G0 G1 G0 */\
-                       "pshufw $0x00, %%mm5, %%mm6     \n\t" /* R1 R0 R1 R0  R1 R0 R1 R0 */\
+    /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */\
+    "movq "MANGLE(ff_M24A)", %%mm0 \n\t"\
+    "movq "MANGLE(ff_M24C)", %%mm7 \n\t"\
+    "pshufw $0x50, %%mm2, %%mm1 \n\t" /* B3 B2 B3 B2  B1 B0 B1 B0 */\
+    "pshufw $0x50, %%mm4, %%mm3 \n\t" /* G3 G2 G3 G2  G1 G0 G1 G0 */\
+    "pshufw $0x00, %%mm5, %%mm6 \n\t" /* R1 R0 R1 R0  R1 R0 R1 R0 */\
 \
-                       "pand %%mm0, %%mm1              \n\t" /*    B2        B1       B0 */\
-                       "pand %%mm0, %%mm3              \n\t" /*    G2        G1       G0 */\
-                       "pand %%mm7, %%mm6              \n\t" /*       R1        R0       */\
+    "pand   %%mm0, %%mm1        \n\t" /*    B2        B1       B0 */\
+    "pand   %%mm0, %%mm3        \n\t" /*    G2        G1       G0 */\
+    "pand   %%mm7, %%mm6        \n\t" /*       R1        R0       */\
 \
-                       "psllq $8, %%mm3                \n\t" /* G2        G1       G0    */\
-                       "por %%mm1, %%mm6               \n\t"\
-                       "por %%mm3, %%mm6               \n\t"\
-                       MOVNTQ(%%mm6, (dst))\
+    "psllq     $8, %%mm3        \n\t" /* G2        G1       G0    */\
+    "por    %%mm1, %%mm6        \n\t"\
+    "por    %%mm3, %%mm6        \n\t"\
+    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 */\
-                       "pshufw $0x55, %%mm4, %%mm3     \n\t" /* G4 G3 G4 G3  G4 G3 G4 G3 */\
-                       "pshufw $0xA5, %%mm5, %%mm6     \n\t" /* R5 R4 R5 R4  R3 R2 R3 R2 */\
+    "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 */\
+    "pshufw $0x55, %%mm4, %%mm3 \n\t" /* G4 G3 G4 G3  G4 G3 G4 G3 */\
+    "pshufw $0xA5, %%mm5, %%mm6 \n\t" /* R5 R4 R5 R4  R3 R2 R3 R2 */\
 \
-                       "pand "MANGLE(M24B)", %%mm1     \n\t" /* B5       B4        B3    */\
-                       "pand %%mm7, %%mm3              \n\t" /*       G4        G3       */\
-                       "pand %%mm0, %%mm6              \n\t" /*    R4        R3       R2 */\
+    "pand "MANGLE(ff_M24B)", %%mm1 \n\t" /* B5       B4        B3    */\
+    "pand   %%mm7, %%mm3        \n\t" /*       G4        G3       */\
+    "pand   %%mm0, %%mm6        \n\t" /*    R4        R3       R2 */\
 \
-                       "por %%mm1, %%mm3               \n\t" /* B5    G4 B4     G3 B3    */\
-                       "por %%mm3, %%mm6               \n\t"\
-                       MOVNTQ(%%mm6, 8(dst))\
+    "por    %%mm1, %%mm3        \n\t" /* B5    G4 B4     G3 B3    */\
+    "por    %%mm3, %%mm6        \n\t"\
+    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 */\
-                       "pshufw $0xFA, %%mm5, %%mm6     \n\t" /* R7 R6 R7 R6  R5 R4 R5 R4 */\
+    "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 */\
+    "pshufw $0xFA, %%mm5, %%mm6 \n\t" /* R7 R6 R7 R6  R5 R4 R5 R4 */\
 \
-                       "pand %%mm7, %%mm1              \n\t" /*       B7        B6       */\
-                       "pand %%mm0, %%mm3              \n\t" /*    G7        G6       G5 */\
-                       "pand "MANGLE(M24B)", %%mm6     \n\t" /* R7       R6        R5    */\
+    "pand   %%mm7, %%mm1        \n\t" /*       B7        B6       */\
+    "pand   %%mm0, %%mm3        \n\t" /*    G7        G6       G5 */\
+    "pand "MANGLE(ff_M24B)", %%mm6 \n\t" /* R7       R6        R5    */\
 \
-                       "por %%mm1, %%mm3               \n\t"\
-                       "por %%mm3, %%mm6               \n\t"\
-                       MOVNTQ(%%mm6, 16(dst))\
+    "por    %%mm1, %%mm3        \n\t"\
+    "por    %%mm3, %%mm6        \n\t"\
+    MOVNTQ(%%mm6, 16(dst))\
 \
-                       "add $24, "#dst"                \n\t"\
+    "add      $24, "#dst"       \n\t"\
 \
-                       "add $8, "#index"               \n\t"\
-                       "cmp "#dstw", "#index"          \n\t"\
-                       " jb 1b                         \n\t"
+    "add       $8, "#index"     \n\t"\
+    "cmp  "#dstw", "#index"     \n\t"\
+    " jb       1b               \n\t"
 
-#ifdef HAVE_MMX2
+#if HAVE_MMX2
 #undef WRITEBGR24
 #define WRITEBGR24(dst, dstw, index)  WRITEBGR24MMX2(dst, dstw, index)
 #else
 #endif
 
 #define REAL_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"\
+    "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))\
+    MOVNTQ(%%mm1, (dst, index, 2))\
+    MOVNTQ(%%mm7, 8(dst, index, 2))\
 \
-                       "add $8, "#index"               \n\t"\
-                       "cmp "#dstw", "#index"          \n\t"\
-                       " jb 1b                         \n\t"
+    "add          $8, "#index"  \n\t"\
+    "cmp     "#dstw", "#index"  \n\t"\
+    " jb          1b            \n\t"
 #define WRITEYUY2(dst, dstw, index)  REAL_WRITEYUY2(dst, dstw, index)
 
 
-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, long dstW, long chrDstW)
+static inline void RENAME(yuv2yuvX)(SwsContext *c, const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
+                                    const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize, const int16_t **alpSrc,
+                                    uint8_t *dest, uint8_t *uDest, uint8_t *vDest, uint8_t *aDest, long dstW, long chrDstW)
 {
-#ifdef HAVE_MMX
-        if(c->flags & SWS_ACCURATE_RND){
-                if(uDest){
-                        YSCALEYUV2YV12X_ACCURATE(   0, CHR_MMX_FILTER_OFFSET, uDest, chrDstW)
-                        YSCALEYUV2YV12X_ACCURATE(4096, CHR_MMX_FILTER_OFFSET, vDest, chrDstW)
-                }
+#if HAVE_MMX
+    if(!(c->flags & SWS_BITEXACT)){
+        if (c->flags & SWS_ACCURATE_RND){
+            if (uDest){
+                YSCALEYUV2YV12X_ACCURATE(   "0", CHR_MMX_FILTER_OFFSET, uDest, chrDstW)
+                YSCALEYUV2YV12X_ACCURATE(AV_STRINGIFY(VOF), CHR_MMX_FILTER_OFFSET, vDest, chrDstW)
+            }
+            if (CONFIG_SWSCALE_ALPHA && aDest){
+                YSCALEYUV2YV12X_ACCURATE(   "0", ALP_MMX_FILTER_OFFSET, aDest, dstW)
+            }
 
-                YSCALEYUV2YV12X_ACCURATE(0, LUM_MMX_FILTER_OFFSET, dest, dstW)
+            YSCALEYUV2YV12X_ACCURATE("0", LUM_MMX_FILTER_OFFSET, dest, dstW)
         }else{
-                if(uDest){
-                        YSCALEYUV2YV12X(   0, CHR_MMX_FILTER_OFFSET, uDest, chrDstW)
-                        YSCALEYUV2YV12X(4096, CHR_MMX_FILTER_OFFSET, vDest, chrDstW)
-                }
+            if (uDest){
+                YSCALEYUV2YV12X(   "0", CHR_MMX_FILTER_OFFSET, uDest, chrDstW)
+                YSCALEYUV2YV12X(AV_STRINGIFY(VOF), CHR_MMX_FILTER_OFFSET, vDest, chrDstW)
+            }
+            if (CONFIG_SWSCALE_ALPHA && aDest){
+                YSCALEYUV2YV12X(   "0", ALP_MMX_FILTER_OFFSET, aDest, dstW)
+            }
 
-                YSCALEYUV2YV12X(0, LUM_MMX_FILTER_OFFSET, dest, dstW)
+            YSCALEYUV2YV12X("0", LUM_MMX_FILTER_OFFSET, dest, dstW)
         }
-#else
-#ifdef HAVE_ALTIVEC
+        return;
+    }
+#endif
+#if HAVE_ALTIVEC
 yuv2yuvX_altivec_real(lumFilter, lumSrc, lumFilterSize,
-                     chrFilter, chrSrc, chrFilterSize,
-                     dest, uDest, vDest, dstW, chrDstW);
+                      chrFilter, chrSrc, chrFilterSize,
+                      dest, uDest, vDest, dstW, chrDstW);
 #else //HAVE_ALTIVEC
 yuv2yuvXinC(lumFilter, lumSrc, lumFilterSize,
-           chrFilter, chrSrc, chrFilterSize,
-           dest, uDest, vDest, dstW, chrDstW);
+            chrFilter, chrSrc, chrFilterSize,
+            alpSrc, dest, uDest, vDest, aDest, dstW, chrDstW);
 #endif //!HAVE_ALTIVEC
-#endif
 }
 
-static inline void RENAME(yuv2nv12X)(SwsContext *c, int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,
-                                    int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
-                                    uint8_t *dest, uint8_t *uDest, int dstW, int chrDstW, int dstFormat)
+static inline void RENAME(yuv2nv12X)(SwsContext *c, const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
+                                     const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize,
+                                     uint8_t *dest, uint8_t *uDest, int dstW, int chrDstW, int dstFormat)
 {
 yuv2nv12XinC(lumFilter, lumSrc, lumFilterSize,
-            chrFilter, chrSrc, chrFilterSize,
-            dest, uDest, dstW, chrDstW, dstFormat);
+             chrFilter, chrSrc, chrFilterSize,
+             dest, uDest, dstW, chrDstW, dstFormat);
 }
 
-static inline void RENAME(yuv2yuv1)(int16_t *lumSrc, int16_t *chrSrc,
-                                   uint8_t *dest, uint8_t *uDest, uint8_t *vDest, long dstW, long chrDstW)
+static inline void RENAME(yuv2yuv1)(SwsContext *c, const int16_t *lumSrc, const int16_t *chrSrc, const int16_t *alpSrc,
+                                    uint8_t *dest, uint8_t *uDest, uint8_t *vDest, uint8_t *aDest, long dstW, long chrDstW)
 {
-#ifdef HAVE_MMX
-       if(uDest != NULL)
-       {
-               asm volatile(
-                               YSCALEYUV2YV121
-                               :: "r" (chrSrc + chrDstW), "r" (uDest + chrDstW),
-                               "g" (-chrDstW)
-                               : "%"REG_a
-                       );
-
-               asm volatile(
-                               YSCALEYUV2YV121
-                               :: "r" (chrSrc + 2048 + chrDstW), "r" (vDest + chrDstW),
-                               "g" (-chrDstW)
-                               : "%"REG_a
-                       );
-       }
-
-       asm volatile(
-               YSCALEYUV2YV121
-               :: "r" (lumSrc + dstW), "r" (dest + dstW),
-               "g" (-dstW)
-               : "%"REG_a
-       );
-#else
-       int i;
-       for(i=0; i<dstW; i++)
-       {
-               int val= lumSrc[i]>>7;
-               
-               if(val&256){
-                       if(val<0) val=0;
-                       else      val=255;
-               }
-
-               dest[i]= val;
-       }
-
-       if(uDest != NULL)
-               for(i=0; i<chrDstW; i++)
-               {
-                       int u=chrSrc[i]>>7;
-                       int v=chrSrc[i + 2048]>>7;
-
-                       if((u|v)&256){
-                               if(u<0)         u=0;
-                               else if (u>255) u=255;
-                               if(v<0)         v=0;
-                               else if (v>255) v=255;
-                       }
-
-                       uDest[i]= u;
-                       vDest[i]= v;
-               }
+    int i;
+#if HAVE_MMX
+    if(!(c->flags & SWS_BITEXACT)){
+        long p= 4;
+        uint8_t *src[4]= {alpSrc + dstW, lumSrc + dstW, chrSrc + chrDstW, chrSrc + VOFW + chrDstW};
+        uint8_t *dst[4]= {aDest, dest, uDest, vDest};
+        x86_reg counter[4]= {dstW, dstW, chrDstW, chrDstW};
+
+        if (c->flags & SWS_ACCURATE_RND){
+            while(p--){
+                if (dst[p]){
+                    __asm__ volatile(
+                        YSCALEYUV2YV121_ACCURATE
+                        :: "r" (src[p]), "r" (dst[p] + counter[p]),
+                        "g" (-counter[p])
+                        : "%"REG_a
+                    );
+                }
+            }
+        }else{
+            while(p--){
+                if (dst[p]){
+                    __asm__ volatile(
+                        YSCALEYUV2YV121
+                        :: "r" (src[p]), "r" (dst[p] + counter[p]),
+                        "g" (-counter[p])
+                        : "%"REG_a
+                    );
+                }
+            }
+        }
+        return;
+    }
 #endif
+    for (i=0; i<dstW; i++)
+    {
+        int val= (lumSrc[i]+64)>>7;
+
+        if (val&256){
+            if (val<0) val=0;
+            else       val=255;
+        }
+
+        dest[i]= val;
+    }
+
+    if (uDest)
+        for (i=0; i<chrDstW; i++)
+        {
+            int u=(chrSrc[i       ]+64)>>7;
+            int v=(chrSrc[i + VOFW]+64)>>7;
+
+            if ((u|v)&256){
+                if (u<0)        u=0;
+                else if (u>255) u=255;
+                if (v<0)        v=0;
+                else if (v>255) v=255;
+            }
+
+            uDest[i]= u;
+            vDest[i]= v;
+        }
+
+    if (CONFIG_SWSCALE_ALPHA && aDest)
+        for (i=0; i<dstW; i++){
+            int val= (alpSrc[i]+64)>>7;
+            aDest[i]= av_clip_uint8(val);
+        }
 }
 
 
 /**
  * vertical scale YV12 to RGB
  */
-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, long dstW, long dstY)
+static inline void RENAME(yuv2packedX)(SwsContext *c, const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
+                                       const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize,
+                                       const int16_t **alpSrc, uint8_t *dest, long dstW, long dstY)
 {
-#ifdef HAVE_MMX
-    long dummy=0;
-    if(c->flags & SWS_ACCURATE_RND){
-                switch(c->dstFormat){
-                case PIX_FMT_RGB32:
-                                YSCALEYUV2PACKEDX_ACCURATE
-                               YSCALEYUV2RGBX
-                               WRITEBGR32(%4, %5, %%REGa)
-
-                                YSCALEYUV2PACKEDX_END
-                        return;
-                case PIX_FMT_BGR24:
-                                YSCALEYUV2PACKEDX_ACCURATE
-                               YSCALEYUV2RGBX
-                               "lea (%%"REG_a", %%"REG_a", 2), %%"REG_c"\n\t" //FIXME optimize
-                               "add %4, %%"REG_c"                      \n\t"
-                               WRITEBGR24(%%REGc, %5, %%REGa)
-
-
-                       :: "r" (&c->redDither), 
-                          "m" (dummy), "m" (dummy), "m" (dummy),
-                          "r" (dest), "m" (dstW)
-                       : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S
-                       );
-                        return;
-                case PIX_FMT_BGR555:
-                                YSCALEYUV2PACKEDX_ACCURATE
-                               YSCALEYUV2RGBX
-               /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
+#if HAVE_MMX
+    x86_reg dummy=0;
+    if(!(c->flags & SWS_BITEXACT)){
+        if (c->flags & SWS_ACCURATE_RND){
+            switch(c->dstFormat){
+            case PIX_FMT_RGB32:
+                if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf){
+                    YSCALEYUV2PACKEDX_ACCURATE
+                    YSCALEYUV2RGBX
+                    "movq                      %%mm2, "U_TEMP"(%0)  \n\t"
+                    "movq                      %%mm4, "V_TEMP"(%0)  \n\t"
+                    "movq                      %%mm5, "Y_TEMP"(%0)  \n\t"
+                    YSCALEYUV2PACKEDX_ACCURATE_YA(ALP_MMX_FILTER_OFFSET)
+                    "movq               "Y_TEMP"(%0), %%mm5         \n\t"
+                    "psraw                        $3, %%mm1         \n\t"
+                    "psraw                        $3, %%mm7         \n\t"
+                    "packuswb                  %%mm7, %%mm1         \n\t"
+                    WRITEBGR32(%4, %5, %%REGa, %%mm3, %%mm4, %%mm5, %%mm1, %%mm0, %%mm7, %%mm2, %%mm6)
+
+                    YSCALEYUV2PACKEDX_END
+                }else{
+                    YSCALEYUV2PACKEDX_ACCURATE
+                    YSCALEYUV2RGBX
+                    "pcmpeqd %%mm7, %%mm7 \n\t"
+                    WRITEBGR32(%4, %5, %%REGa, %%mm2, %%mm4, %%mm5, %%mm7, %%mm0, %%mm1, %%mm3, %%mm6)
+
+                    YSCALEYUV2PACKEDX_END
+                }
+                return;
+            case PIX_FMT_BGR24:
+                YSCALEYUV2PACKEDX_ACCURATE
+                YSCALEYUV2RGBX
+                "pxor %%mm7, %%mm7 \n\t"
+                "lea (%%"REG_a", %%"REG_a", 2), %%"REG_c"\n\t" //FIXME optimize
+                "add %4, %%"REG_c"                        \n\t"
+                WRITEBGR24(%%REGc, %5, %%REGa)
+
+
+                :: "r" (&c->redDither),
+                "m" (dummy), "m" (dummy), "m" (dummy),
+                "r" (dest), "m" (dstW)
+                : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S
+                );
+                return;
+            case PIX_FMT_RGB555:
+                YSCALEYUV2PACKEDX_ACCURATE
+                YSCALEYUV2RGBX
+                "pxor %%mm7, %%mm7 \n\t"
+                /* 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(%4, %5, %%REGa)
-                                YSCALEYUV2PACKEDX_END
-                        return;
-                case PIX_FMT_BGR565:
-                                YSCALEYUV2PACKEDX_ACCURATE
-                               YSCALEYUV2RGBX
-               /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
+                "paddusb "BLUE_DITHER"(%0), %%mm2\n\t"
+                "paddusb "GREEN_DITHER"(%0), %%mm4\n\t"
+                "paddusb "RED_DITHER"(%0), %%mm5\n\t"
+#endif
+
+                WRITERGB15(%4, %5, %%REGa)
+                YSCALEYUV2PACKEDX_END
+                return;
+            case PIX_FMT_RGB565:
+                YSCALEYUV2PACKEDX_ACCURATE
+                YSCALEYUV2RGBX
+                "pxor %%mm7, %%mm7 \n\t"
+                /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
 #ifdef DITHER1XBPP
-                               "paddusb "MANGLE(b5Dither)", %%mm2\n\t"
-                               "paddusb "MANGLE(g6Dither)", %%mm4\n\t"
-                               "paddusb "MANGLE(r5Dither)", %%mm5\n\t"
-#endif
-
-                               WRITEBGR16(%4, %5, %%REGa)
-                                YSCALEYUV2PACKEDX_END
-                        return;
-                case PIX_FMT_YUYV422:
-                               YSCALEYUV2PACKEDX_ACCURATE
-               /* 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, %%REGa)
-                                YSCALEYUV2PACKEDX_END
-                        return;
+                "paddusb "BLUE_DITHER"(%0), %%mm2\n\t"
+                "paddusb "GREEN_DITHER"(%0), %%mm4\n\t"
+                "paddusb "RED_DITHER"(%0), %%mm5\n\t"
+#endif
+
+                WRITERGB16(%4, %5, %%REGa)
+                YSCALEYUV2PACKEDX_END
+                return;
+            case PIX_FMT_YUYV422:
+                YSCALEYUV2PACKEDX_ACCURATE
+                /* 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, %%REGa)
+                YSCALEYUV2PACKEDX_END
+                return;
+            }
+        }else{
+            switch(c->dstFormat)
+            {
+            case PIX_FMT_RGB32:
+                if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf){
+                    YSCALEYUV2PACKEDX
+                    YSCALEYUV2RGBX
+                    YSCALEYUV2PACKEDX_YA(ALP_MMX_FILTER_OFFSET, %%mm0, %%mm3, %%mm6, %%mm1, %%mm7)
+                    "psraw                        $3, %%mm1         \n\t"
+                    "psraw                        $3, %%mm7         \n\t"
+                    "packuswb                  %%mm7, %%mm1         \n\t"
+                    WRITEBGR32(%4, %5, %%REGa, %%mm2, %%mm4, %%mm5, %%mm1, %%mm0, %%mm7, %%mm3, %%mm6)
+                    YSCALEYUV2PACKEDX_END
+                }else{
+                    YSCALEYUV2PACKEDX
+                    YSCALEYUV2RGBX
+                    "pcmpeqd %%mm7, %%mm7 \n\t"
+                    WRITEBGR32(%4, %5, %%REGa, %%mm2, %%mm4, %%mm5, %%mm7, %%mm0, %%mm1, %%mm3, %%mm6)
+                    YSCALEYUV2PACKEDX_END
                 }
-    }else{
-       switch(c->dstFormat)
-       {
-       case PIX_FMT_RGB32:
-                                YSCALEYUV2PACKEDX
-                               YSCALEYUV2RGBX
-                               WRITEBGR32(%4, %5, %%REGa)
-                                YSCALEYUV2PACKEDX_END
-               return;
-       case PIX_FMT_BGR24:
-                                YSCALEYUV2PACKEDX
-                               YSCALEYUV2RGBX
-                               "lea (%%"REG_a", %%"REG_a", 2), %%"REG_c"\n\t" //FIXME optimize
-                               "add %4, %%"REG_c"                      \n\t"
-                               WRITEBGR24(%%REGc, %5, %%REGa)
-
-                       :: "r" (&c->redDither), 
-                          "m" (dummy), "m" (dummy), "m" (dummy),
-                          "r" (dest), "m" (dstW)
-                       : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S
-                       );
-               return;
-       case PIX_FMT_BGR555:
-                                YSCALEYUV2PACKEDX
-                               YSCALEYUV2RGBX
-               /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
+                return;
+            case PIX_FMT_BGR24:
+                YSCALEYUV2PACKEDX
+                YSCALEYUV2RGBX
+                "pxor                    %%mm7, %%mm7       \n\t"
+                "lea (%%"REG_a", %%"REG_a", 2), %%"REG_c"   \n\t" //FIXME optimize
+                "add                        %4, %%"REG_c"   \n\t"
+                WRITEBGR24(%%REGc, %5, %%REGa)
+
+                :: "r" (&c->redDither),
+                "m" (dummy), "m" (dummy), "m" (dummy),
+                "r" (dest),  "m" (dstW)
+                : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S
+                );
+                return;
+            case PIX_FMT_RGB555:
+                YSCALEYUV2PACKEDX
+                YSCALEYUV2RGBX
+                "pxor %%mm7, %%mm7 \n\t"
+                /* 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(%4, %5, %%REGa)
-                                YSCALEYUV2PACKEDX_END
-               return;
-       case PIX_FMT_BGR565:
-                                YSCALEYUV2PACKEDX
-                               YSCALEYUV2RGBX
-               /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
+                "paddusb "BLUE_DITHER"(%0), %%mm2  \n\t"
+                "paddusb "GREEN_DITHER"(%0), %%mm4  \n\t"
+                "paddusb "RED_DITHER"(%0), %%mm5  \n\t"
+#endif
+
+                WRITERGB15(%4, %5, %%REGa)
+                YSCALEYUV2PACKEDX_END
+                return;
+            case PIX_FMT_RGB565:
+                YSCALEYUV2PACKEDX
+                YSCALEYUV2RGBX
+                "pxor %%mm7, %%mm7 \n\t"
+                /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
 #ifdef DITHER1XBPP
-                               "paddusb "MANGLE(b5Dither)", %%mm2\n\t"
-                               "paddusb "MANGLE(g6Dither)", %%mm4\n\t"
-                               "paddusb "MANGLE(r5Dither)", %%mm5\n\t"
-#endif
-
-                               WRITEBGR16(%4, %5, %%REGa)
-                                YSCALEYUV2PACKEDX_END
-               return;
-       case PIX_FMT_YUYV422:
-                               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, %%REGa)
-                                YSCALEYUV2PACKEDX_END
-               return;
+                "paddusb "BLUE_DITHER"(%0), %%mm2  \n\t"
+                "paddusb "GREEN_DITHER"(%0), %%mm4  \n\t"
+                "paddusb "RED_DITHER"(%0), %%mm5  \n\t"
+#endif
+
+                WRITERGB16(%4, %5, %%REGa)
+                YSCALEYUV2PACKEDX_END
+                return;
+            case PIX_FMT_YUYV422:
+                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, %%REGa)
+                YSCALEYUV2PACKEDX_END
+                return;
+            }
         }
     }
-#endif
-#ifdef HAVE_ALTIVEC
-               /* The following list of supported dstFormat values should
-                  match what's found in the body of altivec_yuv2packedX() */
-               if(c->dstFormat==PIX_FMT_ABGR  || c->dstFormat==PIX_FMT_BGRA  ||
-                  c->dstFormat==PIX_FMT_BGR24 || c->dstFormat==PIX_FMT_RGB24 ||
-                  c->dstFormat==PIX_FMT_RGBA  || c->dstFormat==PIX_FMT_ARGB)
-                       altivec_yuv2packedX (c, lumFilter, lumSrc, lumFilterSize,
-                                   chrFilter, chrSrc, chrFilterSize,
-                                   dest, dstW, dstY);
-               else
-#endif
-                       yuv2packedXinC(c, lumFilter, lumSrc, lumFilterSize,
-                                   chrFilter, chrSrc, chrFilterSize,
-                                   dest, dstW, dstY);
+#endif /* HAVE_MMX */
+#if HAVE_ALTIVEC
+    /* The following list of supported dstFormat values should
+       match what's found in the body of ff_yuv2packedX_altivec() */
+    if (!(c->flags & SWS_BITEXACT) && !c->alpPixBuf &&
+       (c->dstFormat==PIX_FMT_ABGR  || c->dstFormat==PIX_FMT_BGRA  ||
+        c->dstFormat==PIX_FMT_BGR24 || c->dstFormat==PIX_FMT_RGB24 ||
+        c->dstFormat==PIX_FMT_RGBA  || c->dstFormat==PIX_FMT_ARGB))
+            ff_yuv2packedX_altivec(c, lumFilter, lumSrc, lumFilterSize,
+                                   chrFilter, chrSrc, chrFilterSize,
+                                   dest, dstW, dstY);
+    else
+#endif
+        yuv2packedXinC(c, lumFilter, lumSrc, lumFilterSize,
+                       chrFilter, chrSrc, chrFilterSize,
+                       alpSrc, dest, dstW, dstY);
 }
 
 /**
  * vertical bilinear scale YV12 to RGB
  */
-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)
+static inline void RENAME(yuv2packed2)(SwsContext *c, const uint16_t *buf0, const uint16_t *buf1, const uint16_t *uvbuf0, const uint16_t *uvbuf1,
+                          const uint16_t *abuf0, const uint16_t *abuf1, uint8_t *dest, int dstW, int yalpha, int uvalpha, int y)
 {
-       int yalpha1=yalpha^4095;
-       int uvalpha1=uvalpha^4095;
-       int i;
-
-#if 0 //isn't used
-       if(flags&SWS_FULL_CHR_H_INT)
-       {
-               switch(dstFormat)
-               {
-#ifdef HAVE_MMX
-               case PIX_FMT_RGB32:
-                       asm volatile(
-
-
-FULL_YSCALEYUV2RGB
-                       "punpcklbw %%mm1, %%mm3         \n\t" // BGBGBGBG
-                       "punpcklbw %%mm7, %%mm0         \n\t" // R0R0R0R0
-
-                       "movq %%mm3, %%mm1              \n\t"
-                       "punpcklwd %%mm0, %%mm3         \n\t" // BGR0BGR0
-                       "punpckhwd %%mm0, %%mm1         \n\t" // BGR0BGR0
-
-                       MOVNTQ(%%mm3, (%4, %%REGa, 4))
-                       MOVNTQ(%%mm1, 8(%4, %%REGa, 4))
-
-                       "add $4, %%"REG_a"              \n\t"
-                       "cmp %5, %%"REG_a"              \n\t"
-                       " jb 1b                         \n\t"
-
-
-                       :: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" ((long)dstW),
-                       "m" (yalpha1), "m" (uvalpha1)
-                       : "%"REG_a
-                       );
-                       break;
-               case PIX_FMT_BGR24:
-                       asm volatile(
-
-FULL_YSCALEYUV2RGB
-
-                                                               // lsb ... msb
-                       "punpcklbw %%mm1, %%mm3         \n\t" // BGBGBGBG
-                       "punpcklbw %%mm7, %%mm0         \n\t" // R0R0R0R0
-
-                       "movq %%mm3, %%mm1              \n\t"
-                       "punpcklwd %%mm0, %%mm3         \n\t" // BGR0BGR0
-                       "punpckhwd %%mm0, %%mm1         \n\t" // BGR0BGR0
-
-                       "movq %%mm3, %%mm2              \n\t" // BGR0BGR0
-                       "psrlq $8, %%mm3                \n\t" // GR0BGR00
-                       "pand "MANGLE(bm00000111)", %%mm2\n\t" // BGR00000
-                       "pand "MANGLE(bm11111000)", %%mm3\n\t" // 000BGR00
-                       "por %%mm2, %%mm3               \n\t" // BGRBGR00
-                       "movq %%mm1, %%mm2              \n\t"
-                       "psllq $48, %%mm1               \n\t" // 000000BG
-                       "por %%mm1, %%mm3               \n\t" // BGRBGRBG
-
-                       "movq %%mm2, %%mm1              \n\t" // BGR0BGR0
-                       "psrld $16, %%mm2               \n\t" // R000R000
-                       "psrlq $24, %%mm1               \n\t" // 0BGR0000
-                       "por %%mm2, %%mm1               \n\t" // RBGRR000
-
-                       "mov %4, %%"REG_b"              \n\t"
-                       "add %%"REG_a", %%"REG_b"       \n\t"
-
-#ifdef HAVE_MMX2
-                       //FIXME Alignment
-                       "movntq %%mm3, (%%"REG_b", %%"REG_a", 2)\n\t"
-                       "movntq %%mm1, 8(%%"REG_b", %%"REG_a", 2)\n\t"
+    int  yalpha1=4095- yalpha;
+    int uvalpha1=4095-uvalpha;
+    int i;
+
+#if HAVE_MMX
+    if(!(c->flags & SWS_BITEXACT)){
+        switch(c->dstFormat)
+        {
+            //Note 8280 == DSTW_OFFSET but the preprocessor can't handle that there :(
+            case PIX_FMT_RGB32:
+                if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf){
+#if ARCH_X86_64
+                    __asm__ volatile(
+                    YSCALEYUV2RGB(%%REGBP, %5)
+                    YSCALEYUV2RGB_YA(%%REGBP, %5, %6, %7)
+                    "psraw                  $3, %%mm1       \n\t" /* abuf0[eax] - abuf1[eax] >>7*/
+                    "psraw                  $3, %%mm7       \n\t" /* abuf0[eax] - abuf1[eax] >>7*/
+                    "packuswb            %%mm7, %%mm1       \n\t"
+                    WRITEBGR32(%4, 8280(%5), %%REGBP, %%mm2, %%mm4, %%mm5, %%mm1, %%mm0, %%mm7, %%mm3, %%mm6)
+
+                    :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "r" (dest),
+                    "a" (&c->redDither)
+                    ,"r" (abuf0), "r" (abuf1)
+                    : "%"REG_BP
+                    );
 #else
-                       "movd %%mm3, (%%"REG_b", %%"REG_a", 2)  \n\t"
-                       "psrlq $32, %%mm3               \n\t"
-                       "movd %%mm3, 4(%%"REG_b", %%"REG_a", 2) \n\t"
-                       "movd %%mm1, 8(%%"REG_b", %%"REG_a", 2) \n\t"
-#endif
-                       "add $4, %%"REG_a"              \n\t"
-                       "cmp %5, %%"REG_a"              \n\t"
-                       " jb 1b                         \n\t"
-
-                       :: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "m" (dest), "m" (dstW),
-                       "m" (yalpha1), "m" (uvalpha1)
-                       : "%"REG_a, "%"REG_b
-                       );
-                       break;
-               case PIX_FMT_BGR555:
-                       asm volatile(
-
-FULL_YSCALEYUV2RGB
-#ifdef DITHER1XBPP
-                       "paddusb "MANGLE(g5Dither)", %%mm1\n\t"
-                       "paddusb "MANGLE(r5Dither)", %%mm0\n\t"
-                       "paddusb "MANGLE(b5Dither)", %%mm3\n\t"
-#endif
-                       "punpcklbw %%mm7, %%mm1         \n\t" // 0G0G0G0G
-                       "punpcklbw %%mm7, %%mm3         \n\t" // 0B0B0B0B
-                       "punpcklbw %%mm7, %%mm0         \n\t" // 0R0R0R0R
-
-                       "psrlw $3, %%mm3                \n\t"
-                       "psllw $2, %%mm1                \n\t"
-                       "psllw $7, %%mm0                \n\t"
-                       "pand "MANGLE(g15Mask)", %%mm1  \n\t"
-                       "pand "MANGLE(r15Mask)", %%mm0  \n\t"
-
-                       "por %%mm3, %%mm1               \n\t"
-                       "por %%mm1, %%mm0               \n\t"
-
-                       MOVNTQ(%%mm0, (%4, %%REGa, 2))
-
-                       "add $4, %%"REG_a"              \n\t"
-                       "cmp %5, %%"REG_a"              \n\t"
-                       " jb 1b                         \n\t"
-
-                       :: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstW),
-                       "m" (yalpha1), "m" (uvalpha1)
-                       : "%"REG_a
-                       );
-                       break;
-               case PIX_FMT_BGR565:
-                       asm volatile(
-
-FULL_YSCALEYUV2RGB
-#ifdef DITHER1XBPP
-                       "paddusb "MANGLE(g6Dither)", %%mm1\n\t"
-                       "paddusb "MANGLE(r5Dither)", %%mm0\n\t"
-                       "paddusb "MANGLE(b5Dither)", %%mm3\n\t"
-#endif
-                       "punpcklbw %%mm7, %%mm1         \n\t" // 0G0G0G0G
-                       "punpcklbw %%mm7, %%mm3         \n\t" // 0B0B0B0B
-                       "punpcklbw %%mm7, %%mm0         \n\t" // 0R0R0R0R
-
-                       "psrlw $3, %%mm3                \n\t"
-                       "psllw $3, %%mm1                \n\t"
-                       "psllw $8, %%mm0                \n\t"
-                       "pand "MANGLE(g16Mask)", %%mm1  \n\t"
-                       "pand "MANGLE(r16Mask)", %%mm0  \n\t"
-
-                       "por %%mm3, %%mm1               \n\t"
-                       "por %%mm1, %%mm0               \n\t"
-
-                       MOVNTQ(%%mm0, (%4, %%REGa, 2))
-
-                       "add $4, %%"REG_a"              \n\t"
-                       "cmp %5, %%"REG_a"              \n\t"
-                       " jb 1b                         \n\t"
-
-                       :: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstW),
-                       "m" (yalpha1), "m" (uvalpha1)
-                       : "%"REG_a
-                       );
-               break;
-#endif
-               case PIX_FMT_BGR32:
-#ifndef HAVE_MMX
-               case PIX_FMT_RGB32:
-#endif
-               if(dstFormat==PIX_FMT_RGB32)
-               {
-                       int i;
-#ifdef WORDS_BIGENDIAN
-                       dest++;
-#endif
-                       for(i=0;i<dstW;i++){
-                               // vertical linear interpolation && yuv2rgb in a single step:
-                               int Y=yuvtab_2568[((buf0[i]*yalpha1+buf1[i]*yalpha)>>19)];
-                               int U=((uvbuf0[i]*uvalpha1+uvbuf1[i]*uvalpha)>>19);
-                               int V=((uvbuf0[i+2048]*uvalpha1+uvbuf1[i+2048]*uvalpha)>>19);
-                               dest[0]=clip_table[((Y + yuvtab_40cf[U]) >>13)];
-                               dest[1]=clip_table[((Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13)];
-                               dest[2]=clip_table[((Y + yuvtab_3343[V]) >>13)];
-                               dest+= 4;
-                       }
-               }
-               else if(dstFormat==PIX_FMT_BGR24)
-               {
-                       int i;
-                       for(i=0;i<dstW;i++){
-                               // vertical linear interpolation && yuv2rgb in a single step:
-                               int Y=yuvtab_2568[((buf0[i]*yalpha1+buf1[i]*yalpha)>>19)];
-                               int U=((uvbuf0[i]*uvalpha1+uvbuf1[i]*uvalpha)>>19);
-                               int V=((uvbuf0[i+2048]*uvalpha1+uvbuf1[i+2048]*uvalpha)>>19);
-                               dest[0]=clip_table[((Y + yuvtab_40cf[U]) >>13)];
-                               dest[1]=clip_table[((Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13)];
-                               dest[2]=clip_table[((Y + yuvtab_3343[V]) >>13)];
-                               dest+= 3;
-                       }
-               }
-               else if(dstFormat==PIX_FMT_BGR565)
-               {
-                       int i;
-                       for(i=0;i<dstW;i++){
-                               // vertical linear interpolation && yuv2rgb in a single step:
-                               int Y=yuvtab_2568[((buf0[i]*yalpha1+buf1[i]*yalpha)>>19)];
-                               int U=((uvbuf0[i]*uvalpha1+uvbuf1[i]*uvalpha)>>19);
-                               int V=((uvbuf0[i+2048]*uvalpha1+uvbuf1[i+2048]*uvalpha)>>19);
-
-                               ((uint16_t*)dest)[i] =
-                                       clip_table16b[(Y + yuvtab_40cf[U]) >>13] |
-                                       clip_table16g[(Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13] |
-                                       clip_table16r[(Y + yuvtab_3343[V]) >>13];
-                       }
-               }
-               else if(dstFormat==PIX_FMT_BGR555)
-               {
-                       int i;
-                       for(i=0;i<dstW;i++){
-                               // vertical linear interpolation && yuv2rgb in a single step:
-                               int Y=yuvtab_2568[((buf0[i]*yalpha1+buf1[i]*yalpha)>>19)];
-                               int U=((uvbuf0[i]*uvalpha1+uvbuf1[i]*uvalpha)>>19);
-                               int V=((uvbuf0[i+2048]*uvalpha1+uvbuf1[i+2048]*uvalpha)>>19);
-
-                               ((uint16_t*)dest)[i] =
-                                       clip_table15b[(Y + yuvtab_40cf[U]) >>13] |
-                                       clip_table15g[(Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13] |
-                                       clip_table15r[(Y + yuvtab_3343[V]) >>13];
-                       }
-               }
-       }//FULL_UV_IPOL
-       else
-       {
-#endif // if 0
-#ifdef HAVE_MMX
-       switch(c->dstFormat)
-       {
-//Note 8280 == DSTW_OFFSET but the preprocessor can't handle that there :(
-       case PIX_FMT_RGB32:
-                       asm volatile(
-                               "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
-                               "mov %4, %%"REG_b"                      \n\t"
-                                "push %%"REG_BP"                        \n\t"
-                               YSCALEYUV2RGB(%%REGBP, %5)
-                               WRITEBGR32(%%REGb, 8280(%5), %%REGBP)
-                                "pop %%"REG_BP"                         \n\t"
-                               "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
-
-                       :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
-                       "a" (&c->redDither)
-                       );
-                       return;
-       case PIX_FMT_BGR24:
-                       asm volatile(
-                               "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
-                               "mov %4, %%"REG_b"                      \n\t"
-                                "push %%"REG_BP"                        \n\t"
-                               YSCALEYUV2RGB(%%REGBP, %5)
-                               WRITEBGR24(%%REGb, 8280(%5), %%REGBP)
-                                "pop %%"REG_BP"                         \n\t"
-                               "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
-                       :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
-                       "a" (&c->redDither)
-                       );
-                       return;
-       case PIX_FMT_BGR555:
-                       asm volatile(
-                               "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
-                               "mov %4, %%"REG_b"                      \n\t"
-                                "push %%"REG_BP"                        \n\t"
-                               YSCALEYUV2RGB(%%REGBP, %5)
-               /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
+                    *(uint16_t **)(&c->u_temp)=abuf0;
+                    *(uint16_t **)(&c->v_temp)=abuf1;
+                    __asm__ volatile(
+                    "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
+                    "mov        %4, %%"REG_b"               \n\t"
+                    "push %%"REG_BP"                        \n\t"
+                    YSCALEYUV2RGB(%%REGBP, %5)
+                    "push                   %0              \n\t"
+                    "push                   %1              \n\t"
+                    "mov          "U_TEMP"(%5), %0          \n\t"
+                    "mov          "V_TEMP"(%5), %1          \n\t"
+                    YSCALEYUV2RGB_YA(%%REGBP, %5, %0, %1)
+                    "psraw                  $3, %%mm1       \n\t" /* abuf0[eax] - abuf1[eax] >>7*/
+                    "psraw                  $3, %%mm7       \n\t" /* abuf0[eax] - abuf1[eax] >>7*/
+                    "packuswb            %%mm7, %%mm1       \n\t"
+                    "pop                    %1              \n\t"
+                    "pop                    %0              \n\t"
+                    WRITEBGR32(%%REGb, 8280(%5), %%REGBP, %%mm2, %%mm4, %%mm5, %%mm1, %%mm0, %%mm7, %%mm3, %%mm6)
+                    "pop %%"REG_BP"                         \n\t"
+                    "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
+
+                    :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
+                    "a" (&c->redDither)
+                    );
+#endif
+                }else{
+                    __asm__ volatile(
+                    "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
+                    "mov        %4, %%"REG_b"               \n\t"
+                    "push %%"REG_BP"                        \n\t"
+                    YSCALEYUV2RGB(%%REGBP, %5)
+                    "pcmpeqd %%mm7, %%mm7                   \n\t"
+                    WRITEBGR32(%%REGb, 8280(%5), %%REGBP, %%mm2, %%mm4, %%mm5, %%mm7, %%mm0, %%mm1, %%mm3, %%mm6)
+                    "pop %%"REG_BP"                         \n\t"
+                    "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
+
+                    :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
+                    "a" (&c->redDither)
+                    );
+                }
+                return;
+            case PIX_FMT_BGR24:
+                __asm__ volatile(
+                "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
+                "mov        %4, %%"REG_b"               \n\t"
+                "push %%"REG_BP"                        \n\t"
+                YSCALEYUV2RGB(%%REGBP, %5)
+                "pxor    %%mm7, %%mm7                   \n\t"
+                WRITEBGR24(%%REGb, 8280(%5), %%REGBP)
+                "pop %%"REG_BP"                         \n\t"
+                "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
+                :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
+                "a" (&c->redDither)
+                );
+                return;
+            case PIX_FMT_RGB555:
+                __asm__ volatile(
+                "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
+                "mov        %4, %%"REG_b"               \n\t"
+                "push %%"REG_BP"                        \n\t"
+                YSCALEYUV2RGB(%%REGBP, %5)
+                "pxor    %%mm7, %%mm7                   \n\t"
+                /* 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"
+                "paddusb "BLUE_DITHER"(%5), %%mm2      \n\t"
+                "paddusb "GREEN_DITHER"(%5), %%mm4      \n\t"
+                "paddusb "RED_DITHER"(%5), %%mm5      \n\t"
 #endif
 
-                               WRITEBGR15(%%REGb, 8280(%5), %%REGBP)
-                                "pop %%"REG_BP"                         \n\t"
-                               "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
-
-                       :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
-                       "a" (&c->redDither)
-                       );
-                       return;
-       case PIX_FMT_BGR565:
-                       asm volatile(
-                               "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
-                               "mov %4, %%"REG_b"                      \n\t"
-                                "push %%"REG_BP"                        \n\t"
-                               YSCALEYUV2RGB(%%REGBP, %5)
-               /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
+                WRITERGB15(%%REGb, 8280(%5), %%REGBP)
+                "pop %%"REG_BP"                         \n\t"
+                "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
+
+                :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
+                "a" (&c->redDither)
+                );
+                return;
+            case PIX_FMT_RGB565:
+                __asm__ volatile(
+                "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
+                "mov        %4, %%"REG_b"               \n\t"
+                "push %%"REG_BP"                        \n\t"
+                YSCALEYUV2RGB(%%REGBP, %5)
+                "pxor    %%mm7, %%mm7                   \n\t"
+                /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
 #ifdef DITHER1XBPP
-                               "paddusb "MANGLE(b5Dither)", %%mm2\n\t"
-                               "paddusb "MANGLE(g6Dither)", %%mm4\n\t"
-                               "paddusb "MANGLE(r5Dither)", %%mm5\n\t"
+                "paddusb "BLUE_DITHER"(%5), %%mm2      \n\t"
+                "paddusb "GREEN_DITHER"(%5), %%mm4      \n\t"
+                "paddusb "RED_DITHER"(%5), %%mm5      \n\t"
 #endif
 
-                               WRITEBGR16(%%REGb, 8280(%5), %%REGBP)
-                                "pop %%"REG_BP"                         \n\t"
-                               "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
-                       :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
-                       "a" (&c->redDither)
-                       );
-                       return;
-       case PIX_FMT_YUYV422:
-                       asm volatile(
-                               "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
-                               "mov %4, %%"REG_b"                      \n\t"
-                                "push %%"REG_BP"                        \n\t"
-                               YSCALEYUV2PACKED(%%REGBP, %5)
-                               WRITEYUY2(%%REGb, 8280(%5), %%REGBP)
-                                "pop %%"REG_BP"                         \n\t"
-                               "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
-                       :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
-                       "a" (&c->redDither)
-                       );
-                       return;
-       default: break;
-       }
+                WRITERGB16(%%REGb, 8280(%5), %%REGBP)
+                "pop %%"REG_BP"                         \n\t"
+                "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
+                :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
+                "a" (&c->redDither)
+                );
+                return;
+            case PIX_FMT_YUYV422:
+                __asm__ volatile(
+                "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
+                "mov %4, %%"REG_b"                        \n\t"
+                "push %%"REG_BP"                        \n\t"
+                YSCALEYUV2PACKED(%%REGBP, %5)
+                WRITEYUY2(%%REGb, 8280(%5), %%REGBP)
+                "pop %%"REG_BP"                         \n\t"
+                "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
+                :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
+                "a" (&c->redDither)
+                );
+                return;
+            default: break;
+        }
+    }
 #endif //HAVE_MMX
-YSCALE_YUV_2_ANYRGB_C(YSCALE_YUV_2_RGB2_C, YSCALE_YUV_2_PACKED2_C)
+YSCALE_YUV_2_ANYRGB_C(YSCALE_YUV_2_RGB2_C, YSCALE_YUV_2_PACKED2_C(void,0), YSCALE_YUV_2_GRAY16_2_C, YSCALE_YUV_2_MONO2_C)
 }
 
 /**
  * YV12 to RGB without scaling or interpolating
  */
-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)
+static inline void RENAME(yuv2packed1)(SwsContext *c, const uint16_t *buf0, const uint16_t *uvbuf0, const uint16_t *uvbuf1,
+                          const uint16_t *abuf0, uint8_t *dest, int dstW, int uvalpha, int dstFormat, int flags, int y)
 {
-       const int yalpha1=0;
-       int i;
-       
-       uint16_t *buf1= buf0; //FIXME needed for the rgb1/bgr1
-       const int yalpha= 4096; //FIXME ...
-
-       if(flags&SWS_FULL_CHR_H_INT)
-       {
-               RENAME(yuv2packed2)(c, buf0, buf0, uvbuf0, uvbuf1, dest, dstW, 0, uvalpha, y);
-               return;
-       }
-
-#ifdef HAVE_MMX
-       if( uvalpha < 2048 ) // note this is not correct (shifts chrominance by 0.5 pixels) but its a bit faster
-       {
-               switch(dstFormat)
-               {
-               case PIX_FMT_RGB32:
-                       asm volatile(
-                               "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
-                               "mov %4, %%"REG_b"                      \n\t"
-                                "push %%"REG_BP"                        \n\t"
-                               YSCALEYUV2RGB1(%%REGBP, %5)
-                               WRITEBGR32(%%REGb, 8280(%5), %%REGBP)
-                                "pop %%"REG_BP"                         \n\t"
-                               "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
-
-                       :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
-                       "a" (&c->redDither)
-                       );
-                       return;
-               case PIX_FMT_BGR24:
-                       asm volatile(
-                               "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
-                               "mov %4, %%"REG_b"                      \n\t"
-                                "push %%"REG_BP"                        \n\t"
-                               YSCALEYUV2RGB1(%%REGBP, %5)
-                               WRITEBGR24(%%REGb, 8280(%5), %%REGBP)
-                                "pop %%"REG_BP"                         \n\t"
-                               "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
-
-                       :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
-                       "a" (&c->redDither)
-                       );
-                       return;
-               case PIX_FMT_BGR555:
-                       asm volatile(
-                               "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
-                               "mov %4, %%"REG_b"                      \n\t"
-                                "push %%"REG_BP"                        \n\t"
-                               YSCALEYUV2RGB1(%%REGBP, %5)
-               /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
+    const int yalpha1=0;
+    int i;
+
+    const uint16_t *buf1= buf0; //FIXME needed for RGB1/BGR1
+    const int yalpha= 4096; //FIXME ...
+
+    if (flags&SWS_FULL_CHR_H_INT)
+    {
+        c->yuv2packed2(c, buf0, buf0, uvbuf0, uvbuf1, abuf0, abuf0, dest, dstW, 0, uvalpha, y);
+        return;
+    }
+
+#if HAVE_MMX
+    if(!(flags & SWS_BITEXACT)){
+        if (uvalpha < 2048) // note this is not correct (shifts chrominance by 0.5 pixels) but it is a bit faster
+        {
+            switch(dstFormat)
+            {
+            case PIX_FMT_RGB32:
+                if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf){
+                    __asm__ volatile(
+                    "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
+                    "mov        %4, %%"REG_b"               \n\t"
+                    "push %%"REG_BP"                        \n\t"
+                    YSCALEYUV2RGB1(%%REGBP, %5)
+                    YSCALEYUV2RGB1_ALPHA(%%REGBP)
+                    WRITEBGR32(%%REGb, 8280(%5), %%REGBP, %%mm2, %%mm4, %%mm5, %%mm7, %%mm0, %%mm1, %%mm3, %%mm6)
+                    "pop %%"REG_BP"                         \n\t"
+                    "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
+
+                    :: "c" (buf0), "d" (abuf0), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
+                    "a" (&c->redDither)
+                    );
+                }else{
+                    __asm__ volatile(
+                    "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
+                    "mov        %4, %%"REG_b"               \n\t"
+                    "push %%"REG_BP"                        \n\t"
+                    YSCALEYUV2RGB1(%%REGBP, %5)
+                    "pcmpeqd %%mm7, %%mm7                   \n\t"
+                    WRITEBGR32(%%REGb, 8280(%5), %%REGBP, %%mm2, %%mm4, %%mm5, %%mm7, %%mm0, %%mm1, %%mm3, %%mm6)
+                    "pop %%"REG_BP"                         \n\t"
+                    "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
+
+                    :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
+                    "a" (&c->redDither)
+                    );
+                }
+                return;
+            case PIX_FMT_BGR24:
+                __asm__ volatile(
+                "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
+                "mov        %4, %%"REG_b"               \n\t"
+                "push %%"REG_BP"                        \n\t"
+                YSCALEYUV2RGB1(%%REGBP, %5)
+                "pxor    %%mm7, %%mm7                   \n\t"
+                WRITEBGR24(%%REGb, 8280(%5), %%REGBP)
+                "pop %%"REG_BP"                         \n\t"
+                "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
+
+                :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
+                "a" (&c->redDither)
+                );
+                return;
+            case PIX_FMT_RGB555:
+                __asm__ volatile(
+                "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
+                "mov        %4, %%"REG_b"               \n\t"
+                "push %%"REG_BP"                        \n\t"
+                YSCALEYUV2RGB1(%%REGBP, %5)
+                "pxor    %%mm7, %%mm7                   \n\t"
+                /* 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"
+                "paddusb "BLUE_DITHER"(%5), %%mm2      \n\t"
+                "paddusb "GREEN_DITHER"(%5), %%mm4      \n\t"
+                "paddusb "RED_DITHER"(%5), %%mm5      \n\t"
 #endif
-                               WRITEBGR15(%%REGb, 8280(%5), %%REGBP)
-                                "pop %%"REG_BP"                         \n\t"
-                               "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
-
-                       :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
-                       "a" (&c->redDither)
-                       );
-                       return;
-               case PIX_FMT_BGR565:
-                       asm volatile(
-                               "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
-                               "mov %4, %%"REG_b"                      \n\t"
-                                "push %%"REG_BP"                        \n\t"
-                               YSCALEYUV2RGB1(%%REGBP, %5)
-               /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
+                WRITERGB15(%%REGb, 8280(%5), %%REGBP)
+                "pop %%"REG_BP"                         \n\t"
+                "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
+
+                :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
+                "a" (&c->redDither)
+                );
+                return;
+            case PIX_FMT_RGB565:
+                __asm__ volatile(
+                "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
+                "mov        %4, %%"REG_b"               \n\t"
+                "push %%"REG_BP"                        \n\t"
+                YSCALEYUV2RGB1(%%REGBP, %5)
+                "pxor    %%mm7, %%mm7                   \n\t"
+                /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
 #ifdef DITHER1XBPP
-                               "paddusb "MANGLE(b5Dither)", %%mm2\n\t"
-                               "paddusb "MANGLE(g6Dither)", %%mm4\n\t"
-                               "paddusb "MANGLE(r5Dither)", %%mm5\n\t"
+                "paddusb "BLUE_DITHER"(%5), %%mm2      \n\t"
+                "paddusb "GREEN_DITHER"(%5), %%mm4      \n\t"
+                "paddusb "RED_DITHER"(%5), %%mm5      \n\t"
 #endif
 
-                               WRITEBGR16(%%REGb, 8280(%5), %%REGBP)
-                                "pop %%"REG_BP"                         \n\t"
-                               "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
-
-                       :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
-                       "a" (&c->redDither)
-                       );
-                       return;
-               case PIX_FMT_YUYV422:
-                       asm volatile(
-                               "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
-                               "mov %4, %%"REG_b"                      \n\t"
-                                "push %%"REG_BP"                        \n\t"
-                               YSCALEYUV2PACKED1(%%REGBP, %5)
-                               WRITEYUY2(%%REGb, 8280(%5), %%REGBP)
-                                "pop %%"REG_BP"                         \n\t"
-                               "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
-
-                       :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
-                       "a" (&c->redDither)
-                       );
-                       return;
-               }
-       }
-       else
-       {
-               switch(dstFormat)
-               {
-               case PIX_FMT_RGB32:
-                       asm volatile(
-                               "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
-                               "mov %4, %%"REG_b"                      \n\t"
-                                "push %%"REG_BP"                        \n\t"
-                               YSCALEYUV2RGB1b(%%REGBP, %5)
-                               WRITEBGR32(%%REGb, 8280(%5), %%REGBP)
-                                "pop %%"REG_BP"                         \n\t"
-                               "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
-
-                       :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
-                       "a" (&c->redDither)
-                       );
-                       return;
-               case PIX_FMT_BGR24:
-                       asm volatile(
-                               "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
-                               "mov %4, %%"REG_b"                      \n\t"
-                                "push %%"REG_BP"                        \n\t"
-                               YSCALEYUV2RGB1b(%%REGBP, %5)
-                               WRITEBGR24(%%REGb, 8280(%5), %%REGBP)
-                                "pop %%"REG_BP"                         \n\t"
-                               "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
-
-                       :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
-                       "a" (&c->redDither)
-                       );
-                       return;
-               case PIX_FMT_BGR555:
-                       asm volatile(
-                               "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
-                               "mov %4, %%"REG_b"                      \n\t"
-                                "push %%"REG_BP"                        \n\t"
-                               YSCALEYUV2RGB1b(%%REGBP, %5)
-               /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
+                WRITERGB16(%%REGb, 8280(%5), %%REGBP)
+                "pop %%"REG_BP"                         \n\t"
+                "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
+
+                :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
+                "a" (&c->redDither)
+                );
+                return;
+            case PIX_FMT_YUYV422:
+                __asm__ volatile(
+                "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
+                "mov        %4, %%"REG_b"               \n\t"
+                "push %%"REG_BP"                        \n\t"
+                YSCALEYUV2PACKED1(%%REGBP, %5)
+                WRITEYUY2(%%REGb, 8280(%5), %%REGBP)
+                "pop %%"REG_BP"                         \n\t"
+                "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
+
+                :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
+                "a" (&c->redDither)
+                );
+                return;
+            }
+        }
+        else
+        {
+            switch(dstFormat)
+            {
+            case PIX_FMT_RGB32:
+                if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf){
+                    __asm__ volatile(
+                    "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
+                    "mov        %4, %%"REG_b"               \n\t"
+                    "push %%"REG_BP"                        \n\t"
+                    YSCALEYUV2RGB1b(%%REGBP, %5)
+                    YSCALEYUV2RGB1_ALPHA(%%REGBP)
+                    WRITEBGR32(%%REGb, 8280(%5), %%REGBP, %%mm2, %%mm4, %%mm5, %%mm7, %%mm0, %%mm1, %%mm3, %%mm6)
+                    "pop %%"REG_BP"                         \n\t"
+                    "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
+
+                    :: "c" (buf0), "d" (abuf0), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
+                    "a" (&c->redDither)
+                    );
+                }else{
+                    __asm__ volatile(
+                    "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
+                    "mov        %4, %%"REG_b"               \n\t"
+                    "push %%"REG_BP"                        \n\t"
+                    YSCALEYUV2RGB1b(%%REGBP, %5)
+                    "pcmpeqd %%mm7, %%mm7                   \n\t"
+                    WRITEBGR32(%%REGb, 8280(%5), %%REGBP, %%mm2, %%mm4, %%mm5, %%mm7, %%mm0, %%mm1, %%mm3, %%mm6)
+                    "pop %%"REG_BP"                         \n\t"
+                    "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
+
+                    :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
+                    "a" (&c->redDither)
+                    );
+                }
+                return;
+            case PIX_FMT_BGR24:
+                __asm__ volatile(
+                "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
+                "mov        %4, %%"REG_b"               \n\t"
+                "push %%"REG_BP"                        \n\t"
+                YSCALEYUV2RGB1b(%%REGBP, %5)
+                "pxor    %%mm7, %%mm7                   \n\t"
+                WRITEBGR24(%%REGb, 8280(%5), %%REGBP)
+                "pop %%"REG_BP"                         \n\t"
+                "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
+
+                :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
+                "a" (&c->redDither)
+                );
+                return;
+            case PIX_FMT_RGB555:
+                __asm__ volatile(
+                "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
+                "mov        %4, %%"REG_b"               \n\t"
+                "push %%"REG_BP"                        \n\t"
+                YSCALEYUV2RGB1b(%%REGBP, %5)
+                "pxor    %%mm7, %%mm7                   \n\t"
+                /* 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"
+                "paddusb "BLUE_DITHER"(%5), %%mm2      \n\t"
+                "paddusb "GREEN_DITHER"(%5), %%mm4      \n\t"
+                "paddusb "RED_DITHER"(%5), %%mm5      \n\t"
 #endif
-                               WRITEBGR15(%%REGb, 8280(%5), %%REGBP)
-                                "pop %%"REG_BP"                         \n\t"
-                               "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
-
-                       :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
-                       "a" (&c->redDither)
-                       );
-                       return;
-               case PIX_FMT_BGR565:
-                       asm volatile(
-                               "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
-                               "mov %4, %%"REG_b"                      \n\t"
-                                "push %%"REG_BP"                        \n\t"
-                               YSCALEYUV2RGB1b(%%REGBP, %5)
-               /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
+                WRITERGB15(%%REGb, 8280(%5), %%REGBP)
+                "pop %%"REG_BP"                         \n\t"
+                "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
+
+                :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
+                "a" (&c->redDither)
+                );
+                return;
+            case PIX_FMT_RGB565:
+                __asm__ volatile(
+                "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
+                "mov        %4, %%"REG_b"               \n\t"
+                "push %%"REG_BP"                        \n\t"
+                YSCALEYUV2RGB1b(%%REGBP, %5)
+                "pxor    %%mm7, %%mm7                   \n\t"
+                /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
 #ifdef DITHER1XBPP
-                               "paddusb "MANGLE(b5Dither)", %%mm2\n\t"
-                               "paddusb "MANGLE(g6Dither)", %%mm4\n\t"
-                               "paddusb "MANGLE(r5Dither)", %%mm5\n\t"
+                "paddusb "BLUE_DITHER"(%5), %%mm2      \n\t"
+                "paddusb "GREEN_DITHER"(%5), %%mm4      \n\t"
+                "paddusb "RED_DITHER"(%5), %%mm5      \n\t"
 #endif
 
-                               WRITEBGR16(%%REGb, 8280(%5), %%REGBP)
-                                "pop %%"REG_BP"                         \n\t"
-                               "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
-
-                       :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
-                       "a" (&c->redDither)
-                       );
-                       return;
-               case PIX_FMT_YUYV422:
-                       asm volatile(
-                               "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
-                               "mov %4, %%"REG_b"                      \n\t"
-                                "push %%"REG_BP"                        \n\t"
-                               YSCALEYUV2PACKED1b(%%REGBP, %5)
-                               WRITEYUY2(%%REGb, 8280(%5), %%REGBP)
-                                "pop %%"REG_BP"                         \n\t"
-                               "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
-
-                       :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
-                       "a" (&c->redDither)
-                       );
-                       return;
-               }
-       }
-#endif
-       if( uvalpha < 2048 )
-       {
-               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_PACKED1B_C)
-       }
+                WRITERGB16(%%REGb, 8280(%5), %%REGBP)
+                "pop %%"REG_BP"                         \n\t"
+                "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
+
+                :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
+                "a" (&c->redDither)
+                );
+                return;
+            case PIX_FMT_YUYV422:
+                __asm__ volatile(
+                "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
+                "mov        %4, %%"REG_b"               \n\t"
+                "push %%"REG_BP"                        \n\t"
+                YSCALEYUV2PACKED1b(%%REGBP, %5)
+                WRITEYUY2(%%REGb, 8280(%5), %%REGBP)
+                "pop %%"REG_BP"                         \n\t"
+                "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
+
+                :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
+                "a" (&c->redDither)
+                );
+                return;
+            }
+        }
+    }
+#endif /* HAVE_MMX */
+    if (uvalpha < 2048)
+    {
+        YSCALE_YUV_2_ANYRGB_C(YSCALE_YUV_2_RGB1_C, YSCALE_YUV_2_PACKED1_C(void,0), YSCALE_YUV_2_GRAY16_1_C, YSCALE_YUV_2_MONO2_C)
+    }else{
+        YSCALE_YUV_2_ANYRGB_C(YSCALE_YUV_2_RGB1B_C, YSCALE_YUV_2_PACKED1B_C(void,0), YSCALE_YUV_2_GRAY16_1_C, YSCALE_YUV_2_MONO2_C)
+    }
 }
 
-//FIXME yuy2* can read upto 7 samples to much
+//FIXME yuy2* can read up to 7 samples too much
 
-static inline void RENAME(yuy2ToY)(uint8_t *dst, uint8_t *src, long width)
+static inline void RENAME(yuy2ToY)(uint8_t *dst, const uint8_t *src, long width, uint32_t *unused)
 {
-#ifdef HAVE_MMX
-       asm volatile(
-               "movq "MANGLE(bm01010101)", %%mm2\n\t"
-               "mov %0, %%"REG_a"              \n\t"
-               "1:                             \n\t"
-               "movq (%1, %%"REG_a",2), %%mm0  \n\t"
-               "movq 8(%1, %%"REG_a",2), %%mm1 \n\t"
-               "pand %%mm2, %%mm0              \n\t"
-               "pand %%mm2, %%mm1              \n\t"
-               "packuswb %%mm1, %%mm0          \n\t"
-               "movq %%mm0, (%2, %%"REG_a")    \n\t"
-               "add $8, %%"REG_a"              \n\t"
-               " js 1b                         \n\t"
-               : : "g" (-width), "r" (src+width*2), "r" (dst+width)
-               : "%"REG_a
-       );
+#if HAVE_MMX
+    __asm__ volatile(
+    "movq "MANGLE(bm01010101)", %%mm2           \n\t"
+    "mov                    %0, %%"REG_a"       \n\t"
+    "1:                                         \n\t"
+    "movq    (%1, %%"REG_a",2), %%mm0           \n\t"
+    "movq   8(%1, %%"REG_a",2), %%mm1           \n\t"
+    "pand                %%mm2, %%mm0           \n\t"
+    "pand                %%mm2, %%mm1           \n\t"
+    "packuswb            %%mm1, %%mm0           \n\t"
+    "movq                %%mm0, (%2, %%"REG_a") \n\t"
+    "add                    $8, %%"REG_a"       \n\t"
+    " js                    1b                  \n\t"
+    : : "g" ((x86_reg)-width), "r" (src+width*2), "r" (dst+width)
+    : "%"REG_a
+    );
 #else
-       int i;
-       for(i=0; i<width; i++)
-               dst[i]= src[2*i];
+    int i;
+    for (i=0; i<width; i++)
+        dst[i]= src[2*i];
 #endif
 }
 
-static inline void RENAME(yuy2ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width)
+static inline void RENAME(yuy2ToUV)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1, const uint8_t *src2, long width, uint32_t *unused)
 {
-#ifdef HAVE_MMX
-       asm volatile(
-               "movq "MANGLE(bm01010101)", %%mm4\n\t"
-               "mov %0, %%"REG_a"              \n\t"
-               "1:                             \n\t"
-               "movq (%1, %%"REG_a",4), %%mm0  \n\t"
-               "movq 8(%1, %%"REG_a",4), %%mm1 \n\t"
-               "psrlw $8, %%mm0                \n\t"
-               "psrlw $8, %%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, (%3, %%"REG_a")    \n\t"
-               "movd %%mm1, (%2, %%"REG_a")    \n\t"
-               "add $4, %%"REG_a"              \n\t"
-               " js 1b                         \n\t"
-               : : "g" (-width), "r" (src1+width*4), "r" (dstU+width), "r" (dstV+width)
-               : "%"REG_a
-       );
+#if HAVE_MMX
+    __asm__ volatile(
+    "movq "MANGLE(bm01010101)", %%mm4           \n\t"
+    "mov                    %0, %%"REG_a"       \n\t"
+    "1:                                         \n\t"
+    "movq    (%1, %%"REG_a",4), %%mm0           \n\t"
+    "movq   8(%1, %%"REG_a",4), %%mm1           \n\t"
+    "psrlw                  $8, %%mm0           \n\t"
+    "psrlw                  $8, %%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, (%3, %%"REG_a") \n\t"
+    "movd                %%mm1, (%2, %%"REG_a") \n\t"
+    "add                    $4, %%"REG_a"       \n\t"
+    " js                    1b                  \n\t"
+    : : "g" ((x86_reg)-width), "r" (src1+width*4), "r" (dstU+width), "r" (dstV+width)
+    : "%"REG_a
+    );
 #else
-       int i;
-       for(i=0; i<width; i++)
-       {
-               dstU[i]= src1[4*i + 1];
-               dstV[i]= src1[4*i + 3];
-       }
+    int i;
+    for (i=0; i<width; i++)
+    {
+        dstU[i]= src1[4*i + 1];
+        dstV[i]= src1[4*i + 3];
+    }
 #endif
-        assert(src1 == src2);
+    assert(src1 == src2);
 }
 
-//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, long width)
+static inline void RENAME(LEToUV)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1, const uint8_t *src2, long width, uint32_t *unused)
 {
-#ifdef HAVE_MMX
-       asm volatile(
-               "mov %0, %%"REG_a"              \n\t"
-               "1:                             \n\t"
-               "movq (%1, %%"REG_a",2), %%mm0  \n\t"
-               "movq 8(%1, %%"REG_a",2), %%mm1 \n\t"
-               "psrlw $8, %%mm0                \n\t"
-               "psrlw $8, %%mm1                \n\t"
-               "packuswb %%mm1, %%mm0          \n\t"
-               "movq %%mm0, (%2, %%"REG_a")    \n\t"
-               "add $8, %%"REG_a"              \n\t"
-               " js 1b                         \n\t"
-               : : "g" (-width), "r" (src+width*2), "r" (dst+width)
-               : "%"REG_a
-       );
+#if HAVE_MMX
+    __asm__ volatile(
+    "mov                    %0, %%"REG_a"       \n\t"
+    "1:                                         \n\t"
+    "movq    (%1, %%"REG_a",2), %%mm0           \n\t"
+    "movq   8(%1, %%"REG_a",2), %%mm1           \n\t"
+    "movq    (%2, %%"REG_a",2), %%mm2           \n\t"
+    "movq   8(%2, %%"REG_a",2), %%mm3           \n\t"
+    "psrlw                  $8, %%mm0           \n\t"
+    "psrlw                  $8, %%mm1           \n\t"
+    "psrlw                  $8, %%mm2           \n\t"
+    "psrlw                  $8, %%mm3           \n\t"
+    "packuswb            %%mm1, %%mm0           \n\t"
+    "packuswb            %%mm3, %%mm2           \n\t"
+    "movq                %%mm0, (%3, %%"REG_a") \n\t"
+    "movq                %%mm2, (%4, %%"REG_a") \n\t"
+    "add                    $8, %%"REG_a"       \n\t"
+    " js                    1b                  \n\t"
+    : : "g" ((x86_reg)-width), "r" (src1+width*2), "r" (src2+width*2), "r" (dstU+width), "r" (dstV+width)
+    : "%"REG_a
+    );
 #else
-       int i;
-       for(i=0; i<width; i++)
-               dst[i]= src[2*i+1];
+    int i;
+    for (i=0; i<width; i++)
+    {
+        dstU[i]= src1[2*i + 1];
+        dstV[i]= src2[2*i + 1];
+    }
 #endif
 }
 
-static inline void RENAME(uyvyToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width)
+/* This is almost identical to the previous, end exists only because
+ * yuy2ToY/UV)(dst, src+1, ...) would have 100% unaligned accesses. */
+static inline void RENAME(uyvyToY)(uint8_t *dst, const uint8_t *src, long width, uint32_t *unused)
 {
-#ifdef HAVE_MMX
-       asm volatile(
-               "movq "MANGLE(bm01010101)", %%mm4\n\t"
-               "mov %0, %%"REG_a"              \n\t"
-               "1:                             \n\t"
-               "movq (%1, %%"REG_a",4), %%mm0  \n\t"
-               "movq 8(%1, %%"REG_a",4), %%mm1 \n\t"
-               "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, (%3, %%"REG_a")    \n\t"
-               "movd %%mm1, (%2, %%"REG_a")    \n\t"
-               "add $4, %%"REG_a"              \n\t"
-               " js 1b                         \n\t"
-               : : "g" (-width), "r" (src1+width*4), "r" (dstU+width), "r" (dstV+width)
-               : "%"REG_a
-       );
+#if HAVE_MMX
+    __asm__ volatile(
+    "mov                  %0, %%"REG_a"         \n\t"
+    "1:                                         \n\t"
+    "movq  (%1, %%"REG_a",2), %%mm0             \n\t"
+    "movq 8(%1, %%"REG_a",2), %%mm1             \n\t"
+    "psrlw                $8, %%mm0             \n\t"
+    "psrlw                $8, %%mm1             \n\t"
+    "packuswb          %%mm1, %%mm0             \n\t"
+    "movq              %%mm0, (%2, %%"REG_a")   \n\t"
+    "add                  $8, %%"REG_a"         \n\t"
+    " js                  1b                    \n\t"
+    : : "g" ((x86_reg)-width), "r" (src+width*2), "r" (dst+width)
+    : "%"REG_a
+    );
 #else
-       int i;
-       for(i=0; i<width; i++)
-       {
-               dstU[i]= src1[4*i + 0];
-               dstV[i]= src1[4*i + 2];
-       }
+    int i;
+    for (i=0; i<width; i++)
+        dst[i]= src[2*i+1];
 #endif
-        assert(src1 == src2);
 }
 
-static inline void RENAME(bgr32ToY)(uint8_t *dst, uint8_t *src, int width)
+static inline void RENAME(uyvyToUV)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1, const uint8_t *src2, long width, uint32_t *unused)
 {
-       int i;
-       for(i=0; i<width; i++)
-       {
-               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 + (33<<(RGB2YUV_SHIFT-1)) )>>RGB2YUV_SHIFT);
-       }
-}
-
-static inline void RENAME(bgr32ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, int width)
-{
-       int i;
-        assert(src1 == src2);
-       for(i=0; i<width; i++)
-       {
-               const int a= ((uint32_t*)src1)[2*i+0];
-               const int e= ((uint32_t*)src1)[2*i+1];
-               const int l= (a&0xFF00FF) + (e&0xFF00FF);
-               const int h= (a&0x00FF00) + (e&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+1)) + 128;
-               dstV[i]= ((RV*r + GV*g + BV*b)>>(RGB2YUV_SHIFT+1)) + 128;
-       }
-}
-
-static inline void RENAME(bgr24ToY)(uint8_t *dst, uint8_t *src, long width)
-{
-#ifdef HAVE_MMX
-       asm volatile(
-               "mov %2, %%"REG_a"              \n\t"
-               "movq "MANGLE(bgr2YCoeff)", %%mm6               \n\t"
-               "movq "MANGLE(w1111)", %%mm5            \n\t"
-               "pxor %%mm7, %%mm7              \n\t"
-               "lea (%%"REG_a", %%"REG_a", 2), %%"REG_d"\n\t"
-               ASMALIGN(4)
-               "1:                             \n\t"
-               PREFETCH" 64(%0, %%"REG_d")     \n\t"
-               "movd (%0, %%"REG_d"), %%mm0    \n\t"
-               "movd 3(%0, %%"REG_d"), %%mm1   \n\t"
-               "punpcklbw %%mm7, %%mm0         \n\t"
-               "punpcklbw %%mm7, %%mm1         \n\t"
-               "movd 6(%0, %%"REG_d"), %%mm2   \n\t"
-               "movd 9(%0, %%"REG_d"), %%mm3   \n\t"
-               "punpcklbw %%mm7, %%mm2         \n\t"
-               "punpcklbw %%mm7, %%mm3         \n\t"
-               "pmaddwd %%mm6, %%mm0           \n\t"
-               "pmaddwd %%mm6, %%mm1           \n\t"
-               "pmaddwd %%mm6, %%mm2           \n\t"
-               "pmaddwd %%mm6, %%mm3           \n\t"
-#ifndef FAST_BGR2YV12
-               "psrad $8, %%mm0                \n\t"
-               "psrad $8, %%mm1                \n\t"
-               "psrad $8, %%mm2                \n\t"
-               "psrad $8, %%mm3                \n\t"
-#endif
-               "packssdw %%mm1, %%mm0          \n\t"
-               "packssdw %%mm3, %%mm2          \n\t"
-               "pmaddwd %%mm5, %%mm0           \n\t"
-               "pmaddwd %%mm5, %%mm2           \n\t"
-               "packssdw %%mm2, %%mm0          \n\t"
-               "psraw $7, %%mm0                \n\t"
-
-               "movd 12(%0, %%"REG_d"), %%mm4  \n\t"
-               "movd 15(%0, %%"REG_d"), %%mm1  \n\t"
-               "punpcklbw %%mm7, %%mm4         \n\t"
-               "punpcklbw %%mm7, %%mm1         \n\t"
-               "movd 18(%0, %%"REG_d"), %%mm2  \n\t"
-               "movd 21(%0, %%"REG_d"), %%mm3  \n\t"
-               "punpcklbw %%mm7, %%mm2         \n\t"
-               "punpcklbw %%mm7, %%mm3         \n\t"
-               "pmaddwd %%mm6, %%mm4           \n\t"
-               "pmaddwd %%mm6, %%mm1           \n\t"
-               "pmaddwd %%mm6, %%mm2           \n\t"
-               "pmaddwd %%mm6, %%mm3           \n\t"
-#ifndef FAST_BGR2YV12
-               "psrad $8, %%mm4                \n\t"
-               "psrad $8, %%mm1                \n\t"
-               "psrad $8, %%mm2                \n\t"
-               "psrad $8, %%mm3                \n\t"
-#endif
-               "packssdw %%mm1, %%mm4          \n\t"
-               "packssdw %%mm3, %%mm2          \n\t"
-               "pmaddwd %%mm5, %%mm4           \n\t"
-               "pmaddwd %%mm5, %%mm2           \n\t"
-               "add $24, %%"REG_d"             \n\t"
-               "packssdw %%mm2, %%mm4          \n\t"
-               "psraw $7, %%mm4                \n\t"
-
-               "packuswb %%mm4, %%mm0          \n\t"
-               "paddusb "MANGLE(bgr2YOffset)", %%mm0   \n\t"
-
-               "movq %%mm0, (%1, %%"REG_a")    \n\t"
-               "add $8, %%"REG_a"              \n\t"
-               " js 1b                         \n\t"
-               : : "r" (src+width*3), "r" (dst+width), "g" (-width)
-               : "%"REG_a, "%"REG_d
-       );
+#if HAVE_MMX
+    __asm__ volatile(
+    "movq "MANGLE(bm01010101)", %%mm4           \n\t"
+    "mov                    %0, %%"REG_a"       \n\t"
+    "1:                                         \n\t"
+    "movq    (%1, %%"REG_a",4), %%mm0           \n\t"
+    "movq   8(%1, %%"REG_a",4), %%mm1           \n\t"
+    "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, (%3, %%"REG_a") \n\t"
+    "movd                %%mm1, (%2, %%"REG_a") \n\t"
+    "add                    $4, %%"REG_a"       \n\t"
+    " js                    1b                  \n\t"
+    : : "g" ((x86_reg)-width), "r" (src1+width*4), "r" (dstU+width), "r" (dstV+width)
+    : "%"REG_a
+    );
 #else
-       int i;
-       for(i=0; i<width; i++)
-       {
-               int b= src[i*3+0];
-               int g= src[i*3+1];
-               int r= src[i*3+2];
-
-               dst[i]= ((RY*r + GY*g + BY*b + (33<<(RGB2YUV_SHIFT-1)) )>>RGB2YUV_SHIFT);
-       }
+    int i;
+    for (i=0; i<width; i++)
+    {
+        dstU[i]= src1[4*i + 0];
+        dstV[i]= src1[4*i + 2];
+    }
 #endif
+    assert(src1 == src2);
 }
 
-static inline void RENAME(bgr24ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width)
+static inline void RENAME(BEToUV)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1, const uint8_t *src2, long width, uint32_t *unused)
 {
-#ifdef HAVE_MMX
-       asm volatile(
-               "mov %3, %%"REG_a"              \n\t"
-               "movq "MANGLE(w1111)", %%mm5            \n\t"
-               "movq "MANGLE(bgr2UCoeff)", %%mm6               \n\t"
-               "pxor %%mm7, %%mm7              \n\t"
-               "lea (%%"REG_a", %%"REG_a", 2), %%"REG_d"       \n\t"
-               "add %%"REG_d", %%"REG_d"       \n\t"
-               ASMALIGN(4)
-               "1:                             \n\t"
-               PREFETCH" 64(%0, %%"REG_d")     \n\t"
-#if defined (HAVE_MMX2) || defined (HAVE_3DNOW)
-               "movq (%0, %%"REG_d"), %%mm0    \n\t"
-               "movq 6(%0, %%"REG_d"), %%mm2   \n\t"
-               "movq %%mm0, %%mm1              \n\t"
-               "movq %%mm2, %%mm3              \n\t"
-               "psrlq $24, %%mm0               \n\t"
-               "psrlq $24, %%mm2               \n\t"
-               PAVGB(%%mm1, %%mm0)
-               PAVGB(%%mm3, %%mm2)
-               "punpcklbw %%mm7, %%mm0         \n\t"
-               "punpcklbw %%mm7, %%mm2         \n\t"
-#else
-               "movd (%0, %%"REG_d"), %%mm0    \n\t"
-               "movd 3(%0, %%"REG_d"), %%mm2   \n\t"
-               "punpcklbw %%mm7, %%mm0         \n\t"
-               "punpcklbw %%mm7, %%mm2         \n\t"
-               "paddw %%mm2, %%mm0             \n\t"
-               "movd 6(%0, %%"REG_d"), %%mm4   \n\t"
-               "movd 9(%0, %%"REG_d"), %%mm2   \n\t"
-               "punpcklbw %%mm7, %%mm4         \n\t"
-               "punpcklbw %%mm7, %%mm2         \n\t"
-               "paddw %%mm4, %%mm2             \n\t"
-               "psrlw $1, %%mm0                \n\t"
-               "psrlw $1, %%mm2                \n\t"
-#endif
-               "movq "MANGLE(bgr2VCoeff)", %%mm1               \n\t"
-               "movq "MANGLE(bgr2VCoeff)", %%mm3               \n\t"
-               
-               "pmaddwd %%mm0, %%mm1           \n\t"
-               "pmaddwd %%mm2, %%mm3           \n\t"
-               "pmaddwd %%mm6, %%mm0           \n\t"
-               "pmaddwd %%mm6, %%mm2           \n\t"
-#ifndef FAST_BGR2YV12
-               "psrad $8, %%mm0                \n\t"
-               "psrad $8, %%mm1                \n\t"
-               "psrad $8, %%mm2                \n\t"
-               "psrad $8, %%mm3                \n\t"
-#endif
-               "packssdw %%mm2, %%mm0          \n\t"
-               "packssdw %%mm3, %%mm1          \n\t"
-               "pmaddwd %%mm5, %%mm0           \n\t"
-               "pmaddwd %%mm5, %%mm1           \n\t"
-               "packssdw %%mm1, %%mm0          \n\t" // V1 V0 U1 U0
-               "psraw $7, %%mm0                \n\t"
-
-#if defined (HAVE_MMX2) || defined (HAVE_3DNOW)
-               "movq 12(%0, %%"REG_d"), %%mm4  \n\t"
-               "movq 18(%0, %%"REG_d"), %%mm2  \n\t"
-               "movq %%mm4, %%mm1              \n\t"
-               "movq %%mm2, %%mm3              \n\t"
-               "psrlq $24, %%mm4               \n\t"
-               "psrlq $24, %%mm2               \n\t"
-               PAVGB(%%mm1, %%mm4)
-               PAVGB(%%mm3, %%mm2)
-               "punpcklbw %%mm7, %%mm4         \n\t"
-               "punpcklbw %%mm7, %%mm2         \n\t"
-#else
-               "movd 12(%0, %%"REG_d"), %%mm4  \n\t"
-               "movd 15(%0, %%"REG_d"), %%mm2  \n\t"
-               "punpcklbw %%mm7, %%mm4         \n\t"
-               "punpcklbw %%mm7, %%mm2         \n\t"
-               "paddw %%mm2, %%mm4             \n\t"
-               "movd 18(%0, %%"REG_d"), %%mm5  \n\t"
-               "movd 21(%0, %%"REG_d"), %%mm2  \n\t"
-               "punpcklbw %%mm7, %%mm5         \n\t"
-               "punpcklbw %%mm7, %%mm2         \n\t"
-               "paddw %%mm5, %%mm2             \n\t"
-               "movq "MANGLE(w1111)", %%mm5            \n\t"
-               "psrlw $2, %%mm4                \n\t"
-               "psrlw $2, %%mm2                \n\t"
-#endif
-               "movq "MANGLE(bgr2VCoeff)", %%mm1               \n\t"
-               "movq "MANGLE(bgr2VCoeff)", %%mm3               \n\t"
-               
-               "pmaddwd %%mm4, %%mm1           \n\t"
-               "pmaddwd %%mm2, %%mm3           \n\t"
-               "pmaddwd %%mm6, %%mm4           \n\t"
-               "pmaddwd %%mm6, %%mm2           \n\t"
-#ifndef FAST_BGR2YV12
-               "psrad $8, %%mm4                \n\t"
-               "psrad $8, %%mm1                \n\t"
-               "psrad $8, %%mm2                \n\t"
-               "psrad $8, %%mm3                \n\t"
-#endif
-               "packssdw %%mm2, %%mm4          \n\t"
-               "packssdw %%mm3, %%mm1          \n\t"
-               "pmaddwd %%mm5, %%mm4           \n\t"
-               "pmaddwd %%mm5, %%mm1           \n\t"
-               "add $24, %%"REG_d"             \n\t"
-               "packssdw %%mm1, %%mm4          \n\t" // V3 V2 U3 U2
-               "psraw $7, %%mm4                \n\t"
-               
-               "movq %%mm0, %%mm1              \n\t"
-               "punpckldq %%mm4, %%mm0         \n\t"
-               "punpckhdq %%mm4, %%mm1         \n\t"
-               "packsswb %%mm1, %%mm0          \n\t"
-               "paddb "MANGLE(bgr2UVOffset)", %%mm0    \n\t"
-
-               "movd %%mm0, (%1, %%"REG_a")    \n\t"
-               "punpckhdq %%mm0, %%mm0         \n\t"
-               "movd %%mm0, (%2, %%"REG_a")    \n\t"
-               "add $4, %%"REG_a"              \n\t"
-               " js 1b                         \n\t"
-               : : "r" (src1+width*6), "r" (dstU+width), "r" (dstV+width), "g" (-width)
-               : "%"REG_a, "%"REG_d
-       );
+#if HAVE_MMX
+    __asm__ volatile(
+    "movq "MANGLE(bm01010101)", %%mm4           \n\t"
+    "mov                    %0, %%"REG_a"       \n\t"
+    "1:                                         \n\t"
+    "movq    (%1, %%"REG_a",2), %%mm0           \n\t"
+    "movq   8(%1, %%"REG_a",2), %%mm1           \n\t"
+    "movq    (%2, %%"REG_a",2), %%mm2           \n\t"
+    "movq   8(%2, %%"REG_a",2), %%mm3           \n\t"
+    "pand                %%mm4, %%mm0           \n\t"
+    "pand                %%mm4, %%mm1           \n\t"
+    "pand                %%mm4, %%mm2           \n\t"
+    "pand                %%mm4, %%mm3           \n\t"
+    "packuswb            %%mm1, %%mm0           \n\t"
+    "packuswb            %%mm3, %%mm2           \n\t"
+    "movq                %%mm0, (%3, %%"REG_a") \n\t"
+    "movq                %%mm2, (%4, %%"REG_a") \n\t"
+    "add                    $8, %%"REG_a"       \n\t"
+    " js                    1b                  \n\t"
+    : : "g" ((x86_reg)-width), "r" (src1+width*2), "r" (src2+width*2), "r" (dstU+width), "r" (dstV+width)
+    : "%"REG_a
+    );
 #else
-       int i;
-       for(i=0; i<width; i++)
-       {
-               int b= src1[6*i + 0] + src1[6*i + 3];
-               int g= src1[6*i + 1] + src1[6*i + 4];
-               int r= src1[6*i + 2] + src1[6*i + 5];
-
-               dstU[i]= ((RU*r + GU*g + BU*b)>>(RGB2YUV_SHIFT+1)) + 128;
-               dstV[i]= ((RV*r + GV*g + BV*b)>>(RGB2YUV_SHIFT+1)) + 128;
-       }
+    int i;
+    for (i=0; i<width; i++)
+    {
+        dstU[i]= src1[2*i];
+        dstV[i]= src2[2*i];
+    }
 #endif
-        assert(src1 == src2);
 }
 
-static inline void RENAME(bgr16ToY)(uint8_t *dst, uint8_t *src, int width)
+#if HAVE_MMX
+static inline void RENAME(bgr24ToY_mmx)(uint8_t *dst, const uint8_t *src, long width, int srcFormat)
 {
-       int i;
-       for(i=0; i<width; i++)
-       {
-               int d= ((uint16_t*)src)[i];
-               int b= d&0x1F;
-               int g= (d>>5)&0x3F;
-               int r= (d>>11)&0x1F;
-
-               dst[i]= ((2*RY*r + GY*g + 2*BY*b)>>(RGB2YUV_SHIFT-2)) + 16;
-       }
-}
 
-static inline void RENAME(bgr16ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, int width)
-{
-       int i;
-        assert(src1==src2);
-       for(i=0; i<width; i++)
-       {
-               int d0= ((uint32_t*)src1)[i];
-               
-               int dl= (d0&0x07E0F81F);
-               int dh= ((d0>>5)&0x07C0F83F);
-
-               int dh2= (dh>>11) + (dh<<21);
-               int d= dh2 + dl;
-
-               int b= d&0x7F;
-               int r= (d>>11)&0x7F;
-               int g= d>>21;
-               dstU[i]= ((2*RU*r + GU*g + 2*BU*b)>>(RGB2YUV_SHIFT+1-2)) + 128;
-               dstV[i]= ((2*RV*r + GV*g + 2*BV*b)>>(RGB2YUV_SHIFT+1-2)) + 128;
-       }
-}
+    if(srcFormat == PIX_FMT_BGR24){
+        __asm__ volatile(
+            "movq  "MANGLE(ff_bgr24toY1Coeff)", %%mm5       \n\t"
+            "movq  "MANGLE(ff_bgr24toY2Coeff)", %%mm6       \n\t"
+            :
+        );
+    }else{
+        __asm__ volatile(
+            "movq  "MANGLE(ff_rgb24toY1Coeff)", %%mm5       \n\t"
+            "movq  "MANGLE(ff_rgb24toY2Coeff)", %%mm6       \n\t"
+            :
+        );
+    }
 
-static inline void RENAME(bgr15ToY)(uint8_t *dst, uint8_t *src, int width)
-{
-       int i;
-       for(i=0; i<width; i++)
-       {
-               int d= ((uint16_t*)src)[i];
-               int b= d&0x1F;
-               int g= (d>>5)&0x1F;
-               int r= (d>>10)&0x1F;
-
-               dst[i]= ((RY*r + GY*g + BY*b)>>(RGB2YUV_SHIFT-3)) + 16;
-       }
+    __asm__ volatile(
+        "movq  "MANGLE(ff_bgr24toYOffset)", %%mm4   \n\t"
+        "mov                        %2, %%"REG_a"   \n\t"
+        "pxor                    %%mm7, %%mm7       \n\t"
+        "1:                                         \n\t"
+        PREFETCH"               64(%0)              \n\t"
+        "movd                     (%0), %%mm0       \n\t"
+        "movd                    2(%0), %%mm1       \n\t"
+        "movd                    6(%0), %%mm2       \n\t"
+        "movd                    8(%0), %%mm3       \n\t"
+        "add                       $12, %0          \n\t"
+        "punpcklbw               %%mm7, %%mm0       \n\t"
+        "punpcklbw               %%mm7, %%mm1       \n\t"
+        "punpcklbw               %%mm7, %%mm2       \n\t"
+        "punpcklbw               %%mm7, %%mm3       \n\t"
+        "pmaddwd                 %%mm5, %%mm0       \n\t"
+        "pmaddwd                 %%mm6, %%mm1       \n\t"
+        "pmaddwd                 %%mm5, %%mm2       \n\t"
+        "pmaddwd                 %%mm6, %%mm3       \n\t"
+        "paddd                   %%mm1, %%mm0       \n\t"
+        "paddd                   %%mm3, %%mm2       \n\t"
+        "paddd                   %%mm4, %%mm0       \n\t"
+        "paddd                   %%mm4, %%mm2       \n\t"
+        "psrad                     $15, %%mm0       \n\t"
+        "psrad                     $15, %%mm2       \n\t"
+        "packssdw                %%mm2, %%mm0       \n\t"
+        "packuswb                %%mm0, %%mm0       \n\t"
+        "movd                %%mm0, (%1, %%"REG_a") \n\t"
+        "add                        $4, %%"REG_a"   \n\t"
+        " js                        1b              \n\t"
+    : "+r" (src)
+    : "r" (dst+width), "g" ((x86_reg)-width)
+    : "%"REG_a
+    );
 }
 
-static inline void RENAME(bgr15ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, int width)
+static inline void RENAME(bgr24ToUV_mmx)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src, long width, int srcFormat)
 {
-       int i;
-        assert(src1==src2);
-       for(i=0; i<width; i++)
-       {
-               int d0= ((uint32_t*)src1)[i];
-               
-               int dl= (d0&0x03E07C1F);
-               int dh= ((d0>>5)&0x03E0F81F);
-
-               int dh2= (dh>>11) + (dh<<21);
-               int d= dh2 + dl;
-
-               int b= d&0x7F;
-               int r= (d>>10)&0x7F;
-               int g= d>>21;
-               dstU[i]= ((RU*r + GU*g + BU*b)>>(RGB2YUV_SHIFT+1-3)) + 128;
-               dstV[i]= ((RV*r + GV*g + BV*b)>>(RGB2YUV_SHIFT+1-3)) + 128;
-       }
+    __asm__ volatile(
+        "movq                    24+%4, %%mm6       \n\t"
+        "mov                        %3, %%"REG_a"   \n\t"
+        "pxor                    %%mm7, %%mm7       \n\t"
+        "1:                                         \n\t"
+        PREFETCH"               64(%0)              \n\t"
+        "movd                     (%0), %%mm0       \n\t"
+        "movd                    2(%0), %%mm1       \n\t"
+        "punpcklbw               %%mm7, %%mm0       \n\t"
+        "punpcklbw               %%mm7, %%mm1       \n\t"
+        "movq                    %%mm0, %%mm2       \n\t"
+        "movq                    %%mm1, %%mm3       \n\t"
+        "pmaddwd                    %4, %%mm0       \n\t"
+        "pmaddwd                  8+%4, %%mm1       \n\t"
+        "pmaddwd                 16+%4, %%mm2       \n\t"
+        "pmaddwd                 %%mm6, %%mm3       \n\t"
+        "paddd                   %%mm1, %%mm0       \n\t"
+        "paddd                   %%mm3, %%mm2       \n\t"
+
+        "movd                    6(%0), %%mm1       \n\t"
+        "movd                    8(%0), %%mm3       \n\t"
+        "add                       $12, %0          \n\t"
+        "punpcklbw               %%mm7, %%mm1       \n\t"
+        "punpcklbw               %%mm7, %%mm3       \n\t"
+        "movq                    %%mm1, %%mm4       \n\t"
+        "movq                    %%mm3, %%mm5       \n\t"
+        "pmaddwd                    %4, %%mm1       \n\t"
+        "pmaddwd                  8+%4, %%mm3       \n\t"
+        "pmaddwd                 16+%4, %%mm4       \n\t"
+        "pmaddwd                 %%mm6, %%mm5       \n\t"
+        "paddd                   %%mm3, %%mm1       \n\t"
+        "paddd                   %%mm5, %%mm4       \n\t"
+
+        "movq "MANGLE(ff_bgr24toUVOffset)", %%mm3       \n\t"
+        "paddd                   %%mm3, %%mm0       \n\t"
+        "paddd                   %%mm3, %%mm2       \n\t"
+        "paddd                   %%mm3, %%mm1       \n\t"
+        "paddd                   %%mm3, %%mm4       \n\t"
+        "psrad                     $15, %%mm0       \n\t"
+        "psrad                     $15, %%mm2       \n\t"
+        "psrad                     $15, %%mm1       \n\t"
+        "psrad                     $15, %%mm4       \n\t"
+        "packssdw                %%mm1, %%mm0       \n\t"
+        "packssdw                %%mm4, %%mm2       \n\t"
+        "packuswb                %%mm0, %%mm0       \n\t"
+        "packuswb                %%mm2, %%mm2       \n\t"
+        "movd                %%mm0, (%1, %%"REG_a") \n\t"
+        "movd                %%mm2, (%2, %%"REG_a") \n\t"
+        "add                        $4, %%"REG_a"   \n\t"
+        " js                        1b              \n\t"
+    : "+r" (src)
+    : "r" (dstU+width), "r" (dstV+width), "g" ((x86_reg)-width), "m"(ff_bgr24toUV[srcFormat == PIX_FMT_RGB24][0])
+    : "%"REG_a
+    );
 }
+#endif
 
-
-static inline void RENAME(rgb32ToY)(uint8_t *dst, uint8_t *src, int width)
+static inline void RENAME(bgr24ToY)(uint8_t *dst, const uint8_t *src, long width, uint32_t *unused)
 {
-       int i;
-       for(i=0; i<width; i++)
-       {
-               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 + (33<<(RGB2YUV_SHIFT-1)) )>>RGB2YUV_SHIFT);
-       }
-}
+#if HAVE_MMX
+    RENAME(bgr24ToY_mmx)(dst, src, width, PIX_FMT_BGR24);
+#else
+    int i;
+    for (i=0; i<width; i++)
+    {
+        int b= src[i*3+0];
+        int g= src[i*3+1];
+        int r= src[i*3+2];
 
-static inline void RENAME(rgb32ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, int width)
-{
-       int i;
-        assert(src1==src2);
-       for(i=0; i<width; i++)
-       {
-               const int a= ((uint32_t*)src1)[2*i+0];
-               const int e= ((uint32_t*)src1)[2*i+1];
-               const int l= (a&0xFF00FF) + (e&0xFF00FF);
-               const int h= (a&0x00FF00) + (e&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+1)) + 128;
-               dstV[i]= ((RV*r + GV*g + BV*b)>>(RGB2YUV_SHIFT+1)) + 128;
-       }
+        dst[i]= ((RY*r + GY*g + BY*b + (33<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT);
+    }
+#endif /* HAVE_MMX */
 }
 
-static inline void RENAME(rgb24ToY)(uint8_t *dst, uint8_t *src, int width)
+static inline void RENAME(bgr24ToUV)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1, const uint8_t *src2, long width, uint32_t *unused)
 {
-       int i;
-       for(i=0; i<width; i++)
-       {
-               int r= src[i*3+0];
-               int g= src[i*3+1];
-               int b= src[i*3+2];
-
-               dst[i]= ((RY*r + GY*g + BY*b + (33<<(RGB2YUV_SHIFT-1)) )>>RGB2YUV_SHIFT);
-       }
-}
+#if HAVE_MMX
+    RENAME(bgr24ToUV_mmx)(dstU, dstV, src1, width, PIX_FMT_BGR24);
+#else
+    int i;
+    for (i=0; i<width; i++)
+    {
+        int b= src1[3*i + 0];
+        int g= src1[3*i + 1];
+        int r= src1[3*i + 2];
 
-static inline void RENAME(rgb24ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, int width)
-{
-       int i;
-        assert(src1==src2);
-       for(i=0; i<width; i++)
-       {
-               int r= src1[6*i + 0] + src1[6*i + 3];
-               int g= src1[6*i + 1] + src1[6*i + 4];
-               int b= src1[6*i + 2] + src1[6*i + 5];
-
-               dstU[i]= ((RU*r + GU*g + BU*b)>>(RGB2YUV_SHIFT+1)) + 128;
-               dstV[i]= ((RV*r + GV*g + BV*b)>>(RGB2YUV_SHIFT+1)) + 128;
-       }
+        dstU[i]= (RU*r + GU*g + BU*b + (257<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT;
+        dstV[i]= (RV*r + GV*g + BV*b + (257<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT;
+    }
+#endif /* HAVE_MMX */
+    assert(src1 == src2);
 }
 
-static inline void RENAME(rgb16ToY)(uint8_t *dst, uint8_t *src, int width)
+static inline void RENAME(bgr24ToUV_half)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1, const uint8_t *src2, long width, uint32_t *unused)
 {
-       int i;
-       for(i=0; i<width; i++)
-       {
-               int d= ((uint16_t*)src)[i];
-               int r= d&0x1F;
-               int g= (d>>5)&0x3F;
-               int b= (d>>11)&0x1F;
-
-               dst[i]= ((2*RY*r + GY*g + 2*BY*b)>>(RGB2YUV_SHIFT-2)) + 16;
-       }
-}
+    int i;
+    for (i=0; i<width; i++)
+    {
+        int b= src1[6*i + 0] + src1[6*i + 3];
+        int g= src1[6*i + 1] + src1[6*i + 4];
+        int r= src1[6*i + 2] + src1[6*i + 5];
 
-static inline void RENAME(rgb16ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, int width)
-{
-       int i;
-        assert(src1 == src2);
-       for(i=0; i<width; i++)
-       {
-               int d0= ((uint32_t*)src1)[i];
-               
-               int dl= (d0&0x07E0F81F);
-               int dh= ((d0>>5)&0x07C0F83F);
-
-               int dh2= (dh>>11) + (dh<<21);
-               int d= dh2 + dl;
-
-               int r= d&0x7F;
-               int b= (d>>11)&0x7F;
-               int g= d>>21;
-               dstU[i]= ((2*RU*r + GU*g + 2*BU*b)>>(RGB2YUV_SHIFT+1-2)) + 128;
-               dstV[i]= ((2*RV*r + GV*g + 2*BV*b)>>(RGB2YUV_SHIFT+1-2)) + 128;
-       }
+        dstU[i]= (RU*r + GU*g + BU*b + (257<<RGB2YUV_SHIFT))>>(RGB2YUV_SHIFT+1);
+        dstV[i]= (RV*r + GV*g + BV*b + (257<<RGB2YUV_SHIFT))>>(RGB2YUV_SHIFT+1);
+    }
+    assert(src1 == src2);
 }
 
-static inline void RENAME(rgb15ToY)(uint8_t *dst, uint8_t *src, int width)
+static inline void RENAME(rgb24ToY)(uint8_t *dst, const uint8_t *src, long width, uint32_t *unused)
 {
-       int i;
-       for(i=0; i<width; i++)
-       {
-               int d= ((uint16_t*)src)[i];
-               int r= d&0x1F;
-               int g= (d>>5)&0x1F;
-               int b= (d>>10)&0x1F;
-
-               dst[i]= ((RY*r + GY*g + BY*b)>>(RGB2YUV_SHIFT-3)) + 16;
-       }
-}
+#if HAVE_MMX
+    RENAME(bgr24ToY_mmx)(dst, src, width, PIX_FMT_RGB24);
+#else
+    int i;
+    for (i=0; i<width; i++)
+    {
+        int r= src[i*3+0];
+        int g= src[i*3+1];
+        int b= src[i*3+2];
 
-static inline void RENAME(rgb15ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, int width)
-{
-       int i;
-        assert(src1 == src2);
-       for(i=0; i<width; i++)
-       {
-               int d0= ((uint32_t*)src1)[i];
-               
-               int dl= (d0&0x03E07C1F);
-               int dh= ((d0>>5)&0x03E0F81F);
-
-               int dh2= (dh>>11) + (dh<<21);
-               int d= dh2 + dl;
-
-               int g= d&0x7F;
-               int r= (d>>10)&0x7F;
-               int b= d>>21;
-               dstU[i]= ((RU*r + GU*g + BU*b)>>(RGB2YUV_SHIFT+1-3)) + 128;
-               dstV[i]= ((RV*r + GV*g + BV*b)>>(RGB2YUV_SHIFT+1-3)) + 128;
-       }
+        dst[i]= ((RY*r + GY*g + BY*b + (33<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT);
+    }
+#endif
 }
 
-static inline void RENAME(palToY)(uint8_t *dst, uint8_t *src, int width, uint32_t *pal)
+static inline void RENAME(rgb24ToUV)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1, const uint8_t *src2, long width, uint32_t *unused)
 {
-       int i;
-       for(i=0; i<width; i++)
-       {
-               int d= src[i];
-               int b= pal[d]     &0xFF;
-               int g=(pal[d]>>8 )&0xFF;
-               int r= pal[d]>>16;
-
-               dst[i]= ((RY*r + GY*g + BY*b)>>RGB2YUV_SHIFT) + 16;
-       }
+#if HAVE_MMX
+    assert(src1==src2);
+    RENAME(bgr24ToUV_mmx)(dstU, dstV, src1, width, PIX_FMT_RGB24);
+#else
+    int i;
+    assert(src1==src2);
+    for (i=0; i<width; i++)
+    {
+        int r= src1[3*i + 0];
+        int g= src1[3*i + 1];
+        int b= src1[3*i + 2];
+
+        dstU[i]= (RU*r + GU*g + BU*b + (257<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT;
+        dstV[i]= (RV*r + GV*g + BV*b + (257<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT;
+    }
+#endif
 }
 
-static inline void RENAME(palToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, int width, uint32_t *pal)
+static inline void RENAME(rgb24ToUV_half)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1, const uint8_t *src2, long width, uint32_t *unused)
 {
-       int i;
-        assert(src1 == src2);
-       for(i=0; i<width; i++)
-       {
-               int d0= src1[2*i  ];
-               int d1= src1[2*i+1];
-                int p = (pal[d0]&0xFF00FF) + (pal[d1]&0xFF00FF);
-                int g = (pal[d0]+pal[d1]-p)>>8;
-                int b= p&0x1FF;
-                int r= p>>16;
-
-               dstU[i]= ((RU*r + GU*g + BU*b)>>(RGB2YUV_SHIFT+1)) + 128;
-               dstV[i]= ((RV*r + GV*g + BV*b)>>(RGB2YUV_SHIFT+1)) + 128;
-       }
+    int i;
+    assert(src1==src2);
+    for (i=0; i<width; i++)
+    {
+        int r= src1[6*i + 0] + src1[6*i + 3];
+        int g= src1[6*i + 1] + src1[6*i + 4];
+        int b= src1[6*i + 2] + src1[6*i + 5];
+
+        dstU[i]= (RU*r + GU*g + BU*b + (257<<RGB2YUV_SHIFT))>>(RGB2YUV_SHIFT+1);
+        dstV[i]= (RV*r + GV*g + BV*b + (257<<RGB2YUV_SHIFT))>>(RGB2YUV_SHIFT+1);
+    }
 }
 
-// Bilinear / Bicubic scaling
-static inline void RENAME(hScale)(int16_t *dst, int dstW, uint8_t *src, int srcW, int xInc,
-                                 int16_t *filter, int16_t *filterPos, long filterSize)
+
+// bilinear / bicubic scaling
+static inline void RENAME(hScale)(int16_t *dst, int dstW, const uint8_t *src, int srcW, int xInc,
+                                  const int16_t *filter, const int16_t *filterPos, long filterSize)
 {
-#ifdef HAVE_MMX
-       assert(filterSize % 4 == 0 && filterSize>0);
-       if(filterSize==4) // allways true for upscaling, sometimes for down too
-       {
-               long counter= -2*dstW;
-               filter-= counter*2;
-               filterPos-= counter/2;
-               dst-= counter/2;
-               asm volatile(
+#if HAVE_MMX
+    assert(filterSize % 4 == 0 && filterSize>0);
+    if (filterSize==4) // Always true for upscaling, sometimes for down, too.
+    {
+        x86_reg counter= -2*dstW;
+        filter-= counter*2;
+        filterPos-= counter/2;
+        dst-= counter/2;
+        __asm__ volatile(
 #if defined(PIC)
-                       "push %%"REG_b"                 \n\t"
-#endif
-                       "pxor %%mm7, %%mm7              \n\t"
-                       "movq "MANGLE(w02)", %%mm6      \n\t"
-                       "push %%"REG_BP"                \n\t" // we use 7 regs here ...
-                       "mov %%"REG_a", %%"REG_BP"      \n\t"
-                       ASMALIGN(4)
-                       "1:                             \n\t"
-                       "movzwl (%2, %%"REG_BP"), %%eax \n\t"
-                       "movzwl 2(%2, %%"REG_BP"), %%ebx\n\t"
-                       "movq (%1, %%"REG_BP", 4), %%mm1\n\t"
-                       "movq 8(%1, %%"REG_BP", 4), %%mm3\n\t"
-                       "movd (%3, %%"REG_a"), %%mm0    \n\t"
-                       "movd (%3, %%"REG_b"), %%mm2    \n\t"
-                       "punpcklbw %%mm7, %%mm0         \n\t"
-                       "punpcklbw %%mm7, %%mm2         \n\t"
-                       "pmaddwd %%mm1, %%mm0           \n\t"
-                       "pmaddwd %%mm2, %%mm3           \n\t"
-                       "psrad $8, %%mm0                \n\t"
-                       "psrad $8, %%mm3                \n\t"
-                       "packssdw %%mm3, %%mm0          \n\t"
-                       "pmaddwd %%mm6, %%mm0           \n\t"
-                       "packssdw %%mm0, %%mm0          \n\t"
-                       "movd %%mm0, (%4, %%"REG_BP")   \n\t"
-                       "add $4, %%"REG_BP"             \n\t"
-                       " jnc 1b                        \n\t"
-
-                       "pop %%"REG_BP"                 \n\t"
+        "push            %%"REG_b"              \n\t"
+#endif
+        "pxor                %%mm7, %%mm7       \n\t"
+        "push           %%"REG_BP"              \n\t" // we use 7 regs here ...
+        "mov             %%"REG_a", %%"REG_BP"  \n\t"
+        ASMALIGN(4)
+        "1:                                     \n\t"
+        "movzwl   (%2, %%"REG_BP"), %%eax       \n\t"
+        "movzwl  2(%2, %%"REG_BP"), %%ebx       \n\t"
+        "movq  (%1, %%"REG_BP", 4), %%mm1       \n\t"
+        "movq 8(%1, %%"REG_BP", 4), %%mm3       \n\t"
+        "movd      (%3, %%"REG_a"), %%mm0       \n\t"
+        "movd      (%3, %%"REG_b"), %%mm2       \n\t"
+        "punpcklbw           %%mm7, %%mm0       \n\t"
+        "punpcklbw           %%mm7, %%mm2       \n\t"
+        "pmaddwd             %%mm1, %%mm0       \n\t"
+        "pmaddwd             %%mm2, %%mm3       \n\t"
+        "movq                %%mm0, %%mm4       \n\t"
+        "punpckldq           %%mm3, %%mm0       \n\t"
+        "punpckhdq           %%mm3, %%mm4       \n\t"
+        "paddd               %%mm4, %%mm0       \n\t"
+        "psrad                  $7, %%mm0       \n\t"
+        "packssdw            %%mm0, %%mm0       \n\t"
+        "movd                %%mm0, (%4, %%"REG_BP")    \n\t"
+        "add                    $4, %%"REG_BP"  \n\t"
+        " jnc                   1b              \n\t"
+
+        "pop            %%"REG_BP"              \n\t"
 #if defined(PIC)
-                       "pop %%"REG_b"                  \n\t"
+        "pop             %%"REG_b"              \n\t"
 #endif
-                       : "+a" (counter)
-                       : "c" (filter), "d" (filterPos), "S" (src), "D" (dst)
+        : "+a" (counter)
+        : "c" (filter), "d" (filterPos), "S" (src), "D" (dst)
 #if !defined(PIC)
-                       : "%"REG_b
+        : "%"REG_b
 #endif
-               );
-       }
-       else if(filterSize==8)
-       {
-               long counter= -2*dstW;
-               filter-= counter*4;
-               filterPos-= counter/2;
-               dst-= counter/2;
-               asm volatile(
+        );
+    }
+    else if (filterSize==8)
+    {
+        x86_reg counter= -2*dstW;
+        filter-= counter*4;
+        filterPos-= counter/2;
+        dst-= counter/2;
+        __asm__ volatile(
 #if defined(PIC)
-                       "push %%"REG_b"                 \n\t"
-#endif
-                       "pxor %%mm7, %%mm7              \n\t"
-                       "movq "MANGLE(w02)", %%mm6      \n\t"
-                       "push %%"REG_BP"                \n\t" // we use 7 regs here ...
-                       "mov %%"REG_a", %%"REG_BP"      \n\t"
-                       ASMALIGN(4)
-                       "1:                             \n\t"
-                       "movzwl (%2, %%"REG_BP"), %%eax \n\t"
-                       "movzwl 2(%2, %%"REG_BP"), %%ebx\n\t"
-                       "movq (%1, %%"REG_BP", 8), %%mm1\n\t"
-                       "movq 16(%1, %%"REG_BP", 8), %%mm3\n\t"
-                       "movd (%3, %%"REG_a"), %%mm0    \n\t"
-                       "movd (%3, %%"REG_b"), %%mm2    \n\t"
-                       "punpcklbw %%mm7, %%mm0         \n\t"
-                       "punpcklbw %%mm7, %%mm2         \n\t"
-                       "pmaddwd %%mm1, %%mm0           \n\t"
-                       "pmaddwd %%mm2, %%mm3           \n\t"
-
-                       "movq 8(%1, %%"REG_BP", 8), %%mm1\n\t"
-                       "movq 24(%1, %%"REG_BP", 8), %%mm5\n\t"
-                       "movd 4(%3, %%"REG_a"), %%mm4   \n\t"
-                       "movd 4(%3, %%"REG_b"), %%mm2   \n\t"
-                       "punpcklbw %%mm7, %%mm4         \n\t"
-                       "punpcklbw %%mm7, %%mm2         \n\t"
-                       "pmaddwd %%mm1, %%mm4           \n\t"
-                       "pmaddwd %%mm2, %%mm5           \n\t"
-                       "paddd %%mm4, %%mm0             \n\t"
-                       "paddd %%mm5, %%mm3             \n\t"
-                                               
-                       "psrad $8, %%mm0                \n\t"
-                       "psrad $8, %%mm3                \n\t"
-                       "packssdw %%mm3, %%mm0          \n\t"
-                       "pmaddwd %%mm6, %%mm0           \n\t"
-                       "packssdw %%mm0, %%mm0          \n\t"
-                       "movd %%mm0, (%4, %%"REG_BP")   \n\t"
-                       "add $4, %%"REG_BP"             \n\t"
-                       " jnc 1b                        \n\t"
-
-                       "pop %%"REG_BP"                 \n\t"
+        "push             %%"REG_b"             \n\t"
+#endif
+        "pxor                 %%mm7, %%mm7      \n\t"
+        "push            %%"REG_BP"             \n\t" // we use 7 regs here ...
+        "mov              %%"REG_a", %%"REG_BP" \n\t"
+        ASMALIGN(4)
+        "1:                                     \n\t"
+        "movzwl    (%2, %%"REG_BP"), %%eax      \n\t"
+        "movzwl   2(%2, %%"REG_BP"), %%ebx      \n\t"
+        "movq   (%1, %%"REG_BP", 8), %%mm1      \n\t"
+        "movq 16(%1, %%"REG_BP", 8), %%mm3      \n\t"
+        "movd       (%3, %%"REG_a"), %%mm0      \n\t"
+        "movd       (%3, %%"REG_b"), %%mm2      \n\t"
+        "punpcklbw            %%mm7, %%mm0      \n\t"
+        "punpcklbw            %%mm7, %%mm2      \n\t"
+        "pmaddwd              %%mm1, %%mm0      \n\t"
+        "pmaddwd              %%mm2, %%mm3      \n\t"
+
+        "movq  8(%1, %%"REG_BP", 8), %%mm1      \n\t"
+        "movq 24(%1, %%"REG_BP", 8), %%mm5      \n\t"
+        "movd      4(%3, %%"REG_a"), %%mm4      \n\t"
+        "movd      4(%3, %%"REG_b"), %%mm2      \n\t"
+        "punpcklbw            %%mm7, %%mm4      \n\t"
+        "punpcklbw            %%mm7, %%mm2      \n\t"
+        "pmaddwd              %%mm1, %%mm4      \n\t"
+        "pmaddwd              %%mm2, %%mm5      \n\t"
+        "paddd                %%mm4, %%mm0      \n\t"
+        "paddd                %%mm5, %%mm3      \n\t"
+        "movq                 %%mm0, %%mm4      \n\t"
+        "punpckldq            %%mm3, %%mm0      \n\t"
+        "punpckhdq            %%mm3, %%mm4      \n\t"
+        "paddd                %%mm4, %%mm0      \n\t"
+        "psrad                   $7, %%mm0      \n\t"
+        "packssdw             %%mm0, %%mm0      \n\t"
+        "movd                 %%mm0, (%4, %%"REG_BP")   \n\t"
+        "add                     $4, %%"REG_BP" \n\t"
+        " jnc                    1b             \n\t"
+
+        "pop             %%"REG_BP"             \n\t"
 #if defined(PIC)
-                       "pop %%"REG_b"                  \n\t"
+        "pop              %%"REG_b"             \n\t"
 #endif
-                       : "+a" (counter)
-                       : "c" (filter), "d" (filterPos), "S" (src), "D" (dst)
+        : "+a" (counter)
+        : "c" (filter), "d" (filterPos), "S" (src), "D" (dst)
 #if !defined(PIC)
-                       : "%"REG_b
-#endif
-               );
-       }
-       else
-       {
-               uint8_t *offset = src+filterSize;
-               long counter= -2*dstW;
-//             filter-= counter*filterSize/2;
-               filterPos-= counter/2;
-               dst-= counter/2;
-               asm volatile(
-                       "pxor %%mm7, %%mm7              \n\t"
-                       "movq "MANGLE(w02)", %%mm6      \n\t"
-                       ASMALIGN(4)
-                       "1:                             \n\t"
-                       "mov %2, %%"REG_c"              \n\t"
-                       "movzwl (%%"REG_c", %0), %%eax  \n\t"
-                       "movzwl 2(%%"REG_c", %0), %%edx \n\t"
-                       "mov %5, %%"REG_c"              \n\t"
-                       "pxor %%mm4, %%mm4              \n\t"
-                       "pxor %%mm5, %%mm5              \n\t"
-                       "2:                             \n\t"
-                       "movq (%1), %%mm1               \n\t"
-                       "movq (%1, %6), %%mm3           \n\t"
-                       "movd (%%"REG_c", %%"REG_a"), %%mm0\n\t"
-                       "movd (%%"REG_c", %%"REG_d"), %%mm2\n\t"
-                       "punpcklbw %%mm7, %%mm0         \n\t"
-                       "punpcklbw %%mm7, %%mm2         \n\t"
-                       "pmaddwd %%mm1, %%mm0           \n\t"
-                       "pmaddwd %%mm2, %%mm3           \n\t"
-                       "paddd %%mm3, %%mm5             \n\t"
-                       "paddd %%mm0, %%mm4             \n\t"
-                       "add $8, %1                     \n\t"
-                       "add $4, %%"REG_c"              \n\t"
-                       "cmp %4, %%"REG_c"              \n\t"
-                       " jb 2b                         \n\t"
-                       "add %6, %1                     \n\t"
-                       "psrad $8, %%mm4                \n\t"
-                       "psrad $8, %%mm5                \n\t"
-                       "packssdw %%mm5, %%mm4          \n\t"
-                       "pmaddwd %%mm6, %%mm4           \n\t"
-                       "packssdw %%mm4, %%mm4          \n\t"
-                       "mov %3, %%"REG_a"              \n\t"
-                       "movd %%mm4, (%%"REG_a", %0)    \n\t"
-                       "add $4, %0                     \n\t"
-                       " jnc 1b                        \n\t"
-
-                       : "+r" (counter), "+r" (filter)
-                       : "m" (filterPos), "m" (dst), "m"(offset),
-                         "m" (src), "r" (filterSize*2)
-                       : "%"REG_a, "%"REG_c, "%"REG_d
-               );
-       }
-#else
-#ifdef HAVE_ALTIVEC
-       hScale_altivec_real(dst, dstW, src, srcW, xInc, filter, filterPos, filterSize);
-#else
-       int i;
-       for(i=0; i<dstW; i++)
-       {
-               int j;
-               int srcPos= filterPos[i];
-               int val=0;
-//             printf("filterPos: %d\n", filterPos[i]);
-               for(j=0; j<filterSize; j++)
-               {
-//                     printf("filter: %d, src: %d\n", filter[i], src[srcPos + j]);
-                       val += ((int)src[srcPos + j])*filter[filterSize*i + j];
-               }
-//             filter += hFilterSize;
-               dst[i] = av_clip(val>>7, 0, (1<<15)-1); // the cubic equation does overflow ...
-//             dst[i] = val>>7;
-       }
-#endif
+        : "%"REG_b
 #endif
-}
-      // *** horizontal scale Y line to temp buffer
-static inline void RENAME(hyscale)(uint16_t *dst, long dstWidth, uint8_t *src, int srcW, int xInc,
-                                  int flags, int canMMX2BeUsed, int16_t *hLumFilter,
-                                  int16_t *hLumFilterPos, int hLumFilterSize, void *funnyYCode, 
-                                  int srcFormat, uint8_t *formatConvBuffer, int16_t *mmx2Filter,
-                                  int32_t *mmx2FilterPos, uint8_t *pal)
-{
-    if(srcFormat==PIX_FMT_YUYV422 || srcFormat==PIX_FMT_GRAY16BE)
-    {
-       RENAME(yuy2ToY)(formatConvBuffer, src, srcW);
-       src= formatConvBuffer;
-    }
-    else if(srcFormat==PIX_FMT_UYVY422 || srcFormat==PIX_FMT_GRAY16LE)
-    {
-       RENAME(uyvyToY)(formatConvBuffer, src, srcW);
-       src= formatConvBuffer;
-    }
-    else if(srcFormat==PIX_FMT_RGB32)
-    {
-       RENAME(bgr32ToY)(formatConvBuffer, src, srcW);
-       src= formatConvBuffer;
-    }
-    else if(srcFormat==PIX_FMT_BGR24)
-    {
-       RENAME(bgr24ToY)(formatConvBuffer, src, srcW);
-       src= formatConvBuffer;
-    }
-    else if(srcFormat==PIX_FMT_BGR565)
-    {
-       RENAME(bgr16ToY)(formatConvBuffer, src, srcW);
-       src= formatConvBuffer;
-    }
-    else if(srcFormat==PIX_FMT_BGR555)
-    {
-       RENAME(bgr15ToY)(formatConvBuffer, src, srcW);
-       src= formatConvBuffer;
+        );
     }
-    else if(srcFormat==PIX_FMT_BGR32)
+    else
     {
-       RENAME(rgb32ToY)(formatConvBuffer, src, srcW);
-       src= formatConvBuffer;
+        uint8_t *offset = src+filterSize;
+        x86_reg counter= -2*dstW;
+        //filter-= counter*filterSize/2;
+        filterPos-= counter/2;
+        dst-= counter/2;
+        __asm__ volatile(
+        "pxor                  %%mm7, %%mm7     \n\t"
+        ASMALIGN(4)
+        "1:                                     \n\t"
+        "mov                      %2, %%"REG_c" \n\t"
+        "movzwl      (%%"REG_c", %0), %%eax     \n\t"
+        "movzwl     2(%%"REG_c", %0), %%edx     \n\t"
+        "mov                      %5, %%"REG_c" \n\t"
+        "pxor                  %%mm4, %%mm4     \n\t"
+        "pxor                  %%mm5, %%mm5     \n\t"
+        "2:                                     \n\t"
+        "movq                   (%1), %%mm1     \n\t"
+        "movq               (%1, %6), %%mm3     \n\t"
+        "movd (%%"REG_c", %%"REG_a"), %%mm0     \n\t"
+        "movd (%%"REG_c", %%"REG_d"), %%mm2     \n\t"
+        "punpcklbw             %%mm7, %%mm0     \n\t"
+        "punpcklbw             %%mm7, %%mm2     \n\t"
+        "pmaddwd               %%mm1, %%mm0     \n\t"
+        "pmaddwd               %%mm2, %%mm3     \n\t"
+        "paddd                 %%mm3, %%mm5     \n\t"
+        "paddd                 %%mm0, %%mm4     \n\t"
+        "add                      $8, %1        \n\t"
+        "add                      $4, %%"REG_c" \n\t"
+        "cmp                      %4, %%"REG_c" \n\t"
+        " jb                      2b            \n\t"
+        "add                      %6, %1        \n\t"
+        "movq                  %%mm4, %%mm0     \n\t"
+        "punpckldq             %%mm5, %%mm4     \n\t"
+        "punpckhdq             %%mm5, %%mm0     \n\t"
+        "paddd                 %%mm0, %%mm4     \n\t"
+        "psrad                    $7, %%mm4     \n\t"
+        "packssdw              %%mm4, %%mm4     \n\t"
+        "mov                      %3, %%"REG_a" \n\t"
+        "movd                  %%mm4, (%%"REG_a", %0)   \n\t"
+        "add                      $4, %0        \n\t"
+        " jnc                     1b            \n\t"
+
+        : "+r" (counter), "+r" (filter)
+        : "m" (filterPos), "m" (dst), "m"(offset),
+          "m" (src), "r" ((x86_reg)filterSize*2)
+        : "%"REG_a, "%"REG_c, "%"REG_d
+        );
     }
-    else if(srcFormat==PIX_FMT_RGB24)
+#else
+#if HAVE_ALTIVEC
+    hScale_altivec_real(dst, dstW, src, srcW, xInc, filter, filterPos, filterSize);
+#else
+    int i;
+    for (i=0; i<dstW; i++)
     {
-       RENAME(rgb24ToY)(formatConvBuffer, src, srcW);
-       src= formatConvBuffer;
+        int j;
+        int srcPos= filterPos[i];
+        int val=0;
+        //printf("filterPos: %d\n", filterPos[i]);
+        for (j=0; j<filterSize; j++)
+        {
+            //printf("filter: %d, src: %d\n", filter[i], src[srcPos + j]);
+            val += ((int)src[srcPos + j])*filter[filterSize*i + j];
+        }
+        //filter += hFilterSize;
+        dst[i] = FFMIN(val>>7, (1<<15)-1); // the cubic equation does overflow ...
+        //dst[i] = val>>7;
     }
-    else if(srcFormat==PIX_FMT_RGB565)
+#endif /* HAVE_ALTIVEC */
+#endif /* HAVE_MMX */
+}
+
+static inline void RENAME(hyscale_fast)(SwsContext *c, int16_t *dst,
+                                        int dstWidth, const uint8_t *src, int srcW,
+                                        int xInc)
+{
+    int i;
+    unsigned int xpos=0;
+    for (i=0;i<dstWidth;i++)
     {
-       RENAME(rgb16ToY)(formatConvBuffer, src, srcW);
-       src= formatConvBuffer;
+        register unsigned int xx=xpos>>16;
+        register unsigned int xalpha=(xpos&0xFFFF)>>9;
+        dst[i]= (src[xx]<<7) + (src[xx+1] - src[xx])*xalpha;
+        xpos+=xInc;
     }
-    else if(srcFormat==PIX_FMT_RGB555)
-    {
-       RENAME(rgb15ToY)(formatConvBuffer, src, srcW);
-       src= formatConvBuffer;
+}
+
+      // *** horizontal scale Y line to temp buffer
+static inline void RENAME(hyscale)(SwsContext *c, uint16_t *dst, long dstWidth, const uint8_t *src, int srcW, int xInc,
+                                   int flags, const int16_t *hLumFilter,
+                                   const int16_t *hLumFilterPos, int hLumFilterSize,
+                                   int srcFormat, uint8_t *formatConvBuffer,
+                                   uint32_t *pal, int isAlpha)
+{
+    int32_t av_unused *mmx2FilterPos = c->lumMmx2FilterPos;
+    int16_t av_unused *mmx2Filter    = c->lumMmx2Filter;
+    int     av_unused canMMX2BeUsed  = c->canMMX2BeUsed;
+    void    av_unused *funnyYCode    = c->funnyYCode;
+    void (*internal_func)(uint8_t *, const uint8_t *, long, uint32_t *) = isAlpha ? c->hascale_internal : c->hyscale_internal;
+
+    if (isAlpha) {
+        if (srcFormat == PIX_FMT_RGB32   || srcFormat == PIX_FMT_BGR32  )
+            src += 3;
+    } else {
+        if (srcFormat == PIX_FMT_RGB32_1 || srcFormat == PIX_FMT_BGR32_1)
+            src += ALT32_CORR;
     }
-    else if(srcFormat==PIX_FMT_RGB8 || srcFormat==PIX_FMT_BGR8 || srcFormat==PIX_FMT_PAL8 || srcFormat==PIX_FMT_BGR4_BYTE  || srcFormat==PIX_FMT_RGB4_BYTE)
-    {
-       RENAME(palToY)(formatConvBuffer, src, srcW, pal);
-       src= formatConvBuffer;
+
+    if (srcFormat == PIX_FMT_RGB48LE)
+        src++;
+
+    if (internal_func) {
+        internal_func(formatConvBuffer, src, srcW, pal);
+        src= formatConvBuffer;
     }
 
-#ifdef HAVE_MMX
-       // use the new MMX scaler if the mmx2 can't be used (its faster than the x86asm one)
-    if(!(flags&SWS_FAST_BILINEAR) || (!canMMX2BeUsed))
+#if HAVE_MMX
+    // Use the new MMX scaler if the MMX2 one can't be used (it is faster than the x86 ASM one).
+    if (!(flags&SWS_FAST_BILINEAR) || (!canMMX2BeUsed))
 #else
-    if(!(flags&SWS_FAST_BILINEAR))
+    if (!(flags&SWS_FAST_BILINEAR))
 #endif
     {
-       RENAME(hScale)(dst, dstWidth, src, srcW, xInc, hLumFilter, hLumFilterPos, hLumFilterSize);
+        c->hScale(dst, dstWidth, src, srcW, xInc, hLumFilter, hLumFilterPos, hLumFilterSize);
     }
-    else // Fast Bilinear upscale / crap downscale
+    else // fast bilinear upscale / crap downscale
     {
-#if defined(ARCH_X86)
-#ifdef HAVE_MMX2
-       int i;
+#if ARCH_X86 && CONFIG_GPL
+#if HAVE_MMX2
+        int i;
 #if defined(PIC)
-       uint64_t ebxsave __attribute__((aligned(8)));
+        DECLARE_ALIGNED(8, uint64_t, ebxsave);
 #endif
-       if(canMMX2BeUsed)
-       {
-               asm volatile(
+        if (canMMX2BeUsed)
+        {
+            __asm__ volatile(
 #if defined(PIC)
-                       "mov %%"REG_b", %5    \n\t"
+            "mov               %%"REG_b", %5        \n\t"
 #endif
-                       "pxor %%mm7, %%mm7              \n\t"
-                       "mov %0, %%"REG_c"              \n\t"
-                       "mov %1, %%"REG_D"              \n\t"
-                       "mov %2, %%"REG_d"              \n\t"
-                       "mov %3, %%"REG_b"              \n\t"
-                       "xor %%"REG_a", %%"REG_a"       \n\t" // i
-                       PREFETCH" (%%"REG_c")           \n\t"
-                       PREFETCH" 32(%%"REG_c")         \n\t"
-                       PREFETCH" 64(%%"REG_c")         \n\t"
-
-#ifdef ARCH_X86_64
+            "pxor                  %%mm7, %%mm7     \n\t"
+            "mov                      %0, %%"REG_c" \n\t"
+            "mov                      %1, %%"REG_D" \n\t"
+            "mov                      %2, %%"REG_d" \n\t"
+            "mov                      %3, %%"REG_b" \n\t"
+            "xor               %%"REG_a", %%"REG_a" \n\t" // i
+            PREFETCH"        (%%"REG_c")            \n\t"
+            PREFETCH"      32(%%"REG_c")            \n\t"
+            PREFETCH"      64(%%"REG_c")            \n\t"
+
+#if ARCH_X86_64
 
 #define FUNNY_Y_CODE \
-                       "movl (%%"REG_b"), %%esi        \n\t"\
-                       "call *%4                       \n\t"\
-                       "movl (%%"REG_b", %%"REG_a"), %%esi\n\t"\
-                       "add %%"REG_S", %%"REG_c"       \n\t"\
-                       "add %%"REG_a", %%"REG_D"       \n\t"\
-                       "xor %%"REG_a", %%"REG_a"       \n\t"\
+            "movl            (%%"REG_b"), %%esi     \n\t"\
+            "call                    *%4            \n\t"\
+            "movl (%%"REG_b", %%"REG_a"), %%esi     \n\t"\
+            "add               %%"REG_S", %%"REG_c" \n\t"\
+            "add               %%"REG_a", %%"REG_D" \n\t"\
+            "xor               %%"REG_a", %%"REG_a" \n\t"\
 
 #else
 
 #define FUNNY_Y_CODE \
-                       "movl (%%"REG_b"), %%esi        \n\t"\
-                       "call *%4                       \n\t"\
-                       "addl (%%"REG_b", %%"REG_a"), %%"REG_c"\n\t"\
-                       "add %%"REG_a", %%"REG_D"       \n\t"\
-                       "xor %%"REG_a", %%"REG_a"       \n\t"\
+            "movl (%%"REG_b"), %%esi        \n\t"\
+            "call         *%4                       \n\t"\
+            "addl (%%"REG_b", %%"REG_a"), %%"REG_c" \n\t"\
+            "add               %%"REG_a", %%"REG_D" \n\t"\
+            "xor               %%"REG_a", %%"REG_a" \n\t"\
 
-#endif
+#endif /* ARCH_X86_64 */
 
 FUNNY_Y_CODE
 FUNNY_Y_CODE
@@ -2621,225 +2307,203 @@ FUNNY_Y_CODE
 FUNNY_Y_CODE
 
 #if defined(PIC)
-                       "mov %5, %%"REG_b"    \n\t"
+            "mov                      %5, %%"REG_b" \n\t"
 #endif
-                       :: "m" (src), "m" (dst), "m" (mmx2Filter), "m" (mmx2FilterPos),
-                       "m" (funnyYCode)
+            :: "m" (src), "m" (dst), "m" (mmx2Filter), "m" (mmx2FilterPos),
+            "m" (funnyYCode)
 #if defined(PIC)
-                       ,"m" (ebxsave)
+            ,"m" (ebxsave)
 #endif
-                       : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S, "%"REG_D
+            : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S, "%"REG_D
 #if !defined(PIC)
-                       ,"%"REG_b
-#endif
-               );
-               for(i=dstWidth-1; (i*xInc)>>16 >=srcW-1; i--) dst[i] = src[srcW-1]*128;
-       }
-       else
-       {
+            ,"%"REG_b
 #endif
-       long xInc_shr16 = xInc >> 16;
-       uint16_t xInc_mask = xInc & 0xffff;
-       //NO MMX just normal asm ...
-       asm volatile(
-               "xor %%"REG_a", %%"REG_a"       \n\t" // i
-               "xor %%"REG_d", %%"REG_d"       \n\t" // xx
-               "xorl %%ecx, %%ecx              \n\t" // 2*xalpha
-               ASMALIGN(4)
-               "1:                             \n\t"
-               "movzbl  (%0, %%"REG_d"), %%edi \n\t" //src[xx]
-               "movzbl 1(%0, %%"REG_d"), %%esi \n\t" //src[xx+1]
-               "subl %%edi, %%esi              \n\t" //src[xx+1] - src[xx]
-               "imull %%ecx, %%esi             \n\t" //(src[xx+1] - src[xx])*2*xalpha
-               "shll $16, %%edi                \n\t"
-               "addl %%edi, %%esi              \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)
-               "mov %1, %%"REG_D"              \n\t"
-               "shrl $9, %%esi                 \n\t"
-               "movw %%si, (%%"REG_D", %%"REG_a", 2)\n\t"
-               "addw %4, %%cx                  \n\t" //2*xalpha += xInc&0xFF
-               "adc %3, %%"REG_d"              \n\t" //xx+= xInc>>8 + carry
-
-               "movzbl (%0, %%"REG_d"), %%edi  \n\t" //src[xx]
-               "movzbl 1(%0, %%"REG_d"), %%esi \n\t" //src[xx+1]
-               "subl %%edi, %%esi              \n\t" //src[xx+1] - src[xx]
-               "imull %%ecx, %%esi             \n\t" //(src[xx+1] - src[xx])*2*xalpha
-               "shll $16, %%edi                \n\t"
-               "addl %%edi, %%esi              \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)
-               "mov %1, %%"REG_D"              \n\t"
-               "shrl $9, %%esi                 \n\t"
-               "movw %%si, 2(%%"REG_D", %%"REG_a", 2)\n\t"
-               "addw %4, %%cx                  \n\t" //2*xalpha += xInc&0xFF
-               "adc %3, %%"REG_d"              \n\t" //xx+= xInc>>8 + carry
-
-
-               "add $2, %%"REG_a"              \n\t"
-               "cmp %2, %%"REG_a"              \n\t"
-               " jb 1b                         \n\t"
-
-
-               :: "r" (src), "m" (dst), "m" (dstWidth), "m" (xInc_shr16), "m" (xInc_mask)
-               : "%"REG_a, "%"REG_d, "%ecx", "%"REG_D, "%esi"
-               );
-#ifdef HAVE_MMX2
-       } //if MMX2 can't be used
+            );
+            for (i=dstWidth-1; (i*xInc)>>16 >=srcW-1; i--) dst[i] = src[srcW-1]*128;
+        }
+        else
+        {
+#endif /* HAVE_MMX2 */
+        x86_reg xInc_shr16 = xInc >> 16;
+        uint16_t xInc_mask = xInc & 0xffff;
+        //NO MMX just normal asm ...
+        __asm__ volatile(
+        "xor %%"REG_a", %%"REG_a"            \n\t" // i
+        "xor %%"REG_d", %%"REG_d"            \n\t" // xx
+        "xorl    %%ecx, %%ecx                \n\t" // 2*xalpha
+        ASMALIGN(4)
+        "1:                                  \n\t"
+        "movzbl    (%0, %%"REG_d"), %%edi    \n\t" //src[xx]
+        "movzbl   1(%0, %%"REG_d"), %%esi    \n\t" //src[xx+1]
+        "subl    %%edi, %%esi                \n\t" //src[xx+1] - src[xx]
+        "imull   %%ecx, %%esi                \n\t" //(src[xx+1] - src[xx])*2*xalpha
+        "shll      $16, %%edi                \n\t"
+        "addl    %%edi, %%esi                \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)
+        "mov        %1, %%"REG_D"            \n\t"
+        "shrl       $9, %%esi                \n\t"
+        "movw     %%si, (%%"REG_D", %%"REG_a", 2)   \n\t"
+        "addw       %4, %%cx                 \n\t" //2*xalpha += xInc&0xFF
+        "adc        %3, %%"REG_d"            \n\t" //xx+= xInc>>8 + carry
+
+        "movzbl    (%0, %%"REG_d"), %%edi    \n\t" //src[xx]
+        "movzbl   1(%0, %%"REG_d"), %%esi    \n\t" //src[xx+1]
+        "subl    %%edi, %%esi                \n\t" //src[xx+1] - src[xx]
+        "imull   %%ecx, %%esi                \n\t" //(src[xx+1] - src[xx])*2*xalpha
+        "shll      $16, %%edi                \n\t"
+        "addl    %%edi, %%esi                \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)
+        "mov        %1, %%"REG_D"            \n\t"
+        "shrl       $9, %%esi                \n\t"
+        "movw     %%si, 2(%%"REG_D", %%"REG_a", 2)  \n\t"
+        "addw       %4, %%cx                 \n\t" //2*xalpha += xInc&0xFF
+        "adc        %3, %%"REG_d"            \n\t" //xx+= xInc>>8 + carry
+
+
+        "add        $2, %%"REG_a"            \n\t"
+        "cmp        %2, %%"REG_a"            \n\t"
+        " jb        1b                       \n\t"
+
+
+        :: "r" (src), "m" (dst), "m" (dstWidth), "m" (xInc_shr16), "m" (xInc_mask)
+        : "%"REG_a, "%"REG_d, "%ecx", "%"REG_D, "%esi"
+        );
+#if HAVE_MMX2
+        } //if MMX2 can't be used
 #endif
 #else
-       int i;
-       unsigned int xpos=0;
-       for(i=0;i<dstWidth;i++)
-       {
-               register unsigned int xx=xpos>>16;
-               register unsigned int xalpha=(xpos&0xFFFF)>>9;
-               dst[i]= (src[xx]<<7) + (src[xx+1] - src[xx])*xalpha;
-               xpos+=xInc;
-       }
-#endif
+        c->hyscale_fast(c, dst, dstWidth, src, srcW, xInc);
+#endif /* ARCH_X86 */
+    }
+
+    if(!isAlpha && c->srcRange != c->dstRange && !(isRGB(c->dstFormat) || isBGR(c->dstFormat))){
+        int i;
+        //FIXME all pal and rgb srcFormats could do this convertion as well
+        //FIXME all scalers more complex than bilinear could do half of this transform
+        if(c->srcRange){
+            for (i=0; i<dstWidth; i++)
+                dst[i]= (dst[i]*14071 + 33561947)>>14;
+        }else{
+            for (i=0; i<dstWidth; i++)
+                dst[i]= (FFMIN(dst[i],30189)*19077 - 39057361)>>14;
+        }
     }
 }
 
-inline static void RENAME(hcscale)(uint16_t *dst, long dstWidth, uint8_t *src1, uint8_t *src2,
-                                  int srcW, int xInc, int flags, int canMMX2BeUsed, int16_t *hChrFilter,
-                                  int16_t *hChrFilterPos, int hChrFilterSize, void *funnyUVCode,
-                                  int srcFormat, uint8_t *formatConvBuffer, int16_t *mmx2Filter,
-                                  int32_t *mmx2FilterPos, uint8_t *pal)
+static inline void RENAME(hcscale_fast)(SwsContext *c, int16_t *dst,
+                                        int dstWidth, const uint8_t *src1,
+                                        const uint8_t *src2, int srcW, int xInc)
 {
-    if(srcFormat==PIX_FMT_YUYV422)
-    {
-       RENAME(yuy2ToUV)(formatConvBuffer, formatConvBuffer+2048, src1, src2, srcW);
-       src1= formatConvBuffer;
-       src2= formatConvBuffer+2048;
-    }
-    else if(srcFormat==PIX_FMT_UYVY422)
-    {
-       RENAME(uyvyToUV)(formatConvBuffer, formatConvBuffer+2048, src1, src2, srcW);
-       src1= formatConvBuffer;
-       src2= formatConvBuffer+2048;
-    }
-    else if(srcFormat==PIX_FMT_RGB32)
-    {
-       RENAME(bgr32ToUV)(formatConvBuffer, formatConvBuffer+2048, src1, src2, srcW);
-       src1= formatConvBuffer;
-       src2= formatConvBuffer+2048;
-    }
-    else if(srcFormat==PIX_FMT_BGR24)
-    {
-       RENAME(bgr24ToUV)(formatConvBuffer, formatConvBuffer+2048, src1, src2, srcW);
-       src1= formatConvBuffer;
-       src2= formatConvBuffer+2048;
-    }
-    else if(srcFormat==PIX_FMT_BGR565)
-    {
-       RENAME(bgr16ToUV)(formatConvBuffer, formatConvBuffer+2048, src1, src2, srcW);
-       src1= formatConvBuffer;
-       src2= formatConvBuffer+2048;
-    }
-    else if(srcFormat==PIX_FMT_BGR555)
-    {
-       RENAME(bgr15ToUV)(formatConvBuffer, formatConvBuffer+2048, src1, src2, srcW);
-       src1= formatConvBuffer;
-       src2= formatConvBuffer+2048;
-    }
-    else if(srcFormat==PIX_FMT_BGR32)
-    {
-       RENAME(rgb32ToUV)(formatConvBuffer, formatConvBuffer+2048, src1, src2, srcW);
-       src1= formatConvBuffer;
-       src2= formatConvBuffer+2048;
-    }
-    else if(srcFormat==PIX_FMT_RGB24)
-    {
-       RENAME(rgb24ToUV)(formatConvBuffer, formatConvBuffer+2048, src1, src2, srcW);
-       src1= formatConvBuffer;
-       src2= formatConvBuffer+2048;
-    }
-    else if(srcFormat==PIX_FMT_RGB565)
+    int i;
+    unsigned int xpos=0;
+    for (i=0;i<dstWidth;i++)
     {
-       RENAME(rgb16ToUV)(formatConvBuffer, formatConvBuffer+2048, src1, src2, srcW);
-       src1= formatConvBuffer;
-       src2= formatConvBuffer+2048;
+        register unsigned int xx=xpos>>16;
+        register unsigned int xalpha=(xpos&0xFFFF)>>9;
+        dst[i]=(src1[xx]*(xalpha^127)+src1[xx+1]*xalpha);
+        dst[i+VOFW]=(src2[xx]*(xalpha^127)+src2[xx+1]*xalpha);
+        /* slower
+        dst[i]= (src1[xx]<<7) + (src1[xx+1] - src1[xx])*xalpha;
+        dst[i+VOFW]=(src2[xx]<<7) + (src2[xx+1] - src2[xx])*xalpha;
+        */
+        xpos+=xInc;
     }
-    else if(srcFormat==PIX_FMT_RGB555)
-    {
-       RENAME(rgb15ToUV)(formatConvBuffer, formatConvBuffer+2048, src1, src2, srcW);
-       src1= formatConvBuffer;
-       src2= formatConvBuffer+2048;
+}
+
+inline static void RENAME(hcscale)(SwsContext *c, uint16_t *dst, long dstWidth, const uint8_t *src1, const uint8_t *src2,
+                                   int srcW, int xInc, int flags, const int16_t *hChrFilter,
+                                   const int16_t *hChrFilterPos, int hChrFilterSize,
+                                   int srcFormat, uint8_t *formatConvBuffer,
+                                   uint32_t *pal)
+{
+    int32_t av_unused *mmx2FilterPos = c->chrMmx2FilterPos;
+    int16_t av_unused *mmx2Filter    = c->chrMmx2Filter;
+    int     av_unused canMMX2BeUsed  = c->canMMX2BeUsed;
+    void    av_unused *funnyUVCode   = c->funnyUVCode;
+
+    if (isGray(srcFormat) || srcFormat==PIX_FMT_MONOBLACK || srcFormat==PIX_FMT_MONOWHITE)
+        return;
+
+    if (srcFormat==PIX_FMT_RGB32_1 || srcFormat==PIX_FMT_BGR32_1) {
+        src1 += ALT32_CORR;
+        src2 += ALT32_CORR;
     }
-    else if(isGray(srcFormat))
-    {
-       return;
+
+    if (srcFormat==PIX_FMT_RGB48LE) {
+        src1++;
+        src2++;
     }
-    else if(srcFormat==PIX_FMT_RGB8 || srcFormat==PIX_FMT_BGR8 || srcFormat==PIX_FMT_PAL8 || srcFormat==PIX_FMT_BGR4_BYTE  || srcFormat==PIX_FMT_RGB4_BYTE)
-    {
-       RENAME(palToUV)(formatConvBuffer, formatConvBuffer+2048, src1, src2, srcW, pal);
-       src1= formatConvBuffer;
-       src2= formatConvBuffer+2048;
+
+    if (c->hcscale_internal) {
+        c->hcscale_internal(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW, pal);
+        src1= formatConvBuffer;
+        src2= formatConvBuffer+VOFW;
     }
 
-#ifdef HAVE_MMX
-       // use the new MMX scaler if the mmx2 can't be used (its faster than the x86asm one)
-    if(!(flags&SWS_FAST_BILINEAR) || (!canMMX2BeUsed))
+#if HAVE_MMX
+    // Use the new MMX scaler if the MMX2 one can't be used (it is faster than the x86 ASM one).
+    if (!(flags&SWS_FAST_BILINEAR) || (!canMMX2BeUsed))
 #else
-    if(!(flags&SWS_FAST_BILINEAR))
+    if (!(flags&SWS_FAST_BILINEAR))
 #endif
     {
-       RENAME(hScale)(dst     , dstWidth, src1, srcW, xInc, hChrFilter, hChrFilterPos, hChrFilterSize);
-       RENAME(hScale)(dst+2048, dstWidth, src2, srcW, xInc, hChrFilter, hChrFilterPos, hChrFilterSize);
+        c->hScale(dst     , dstWidth, src1, srcW, xInc, hChrFilter, hChrFilterPos, hChrFilterSize);
+        c->hScale(dst+VOFW, dstWidth, src2, srcW, xInc, hChrFilter, hChrFilterPos, hChrFilterSize);
     }
-    else // Fast Bilinear upscale / crap downscale
+    else // fast bilinear upscale / crap downscale
     {
-#if defined(ARCH_X86)
-#ifdef HAVE_MMX2
-       int i;
+#if ARCH_X86 && CONFIG_GPL
+#if HAVE_MMX2
+        int i;
 #if defined(PIC)
-       uint64_t ebxsave __attribute__((aligned(8)));
+        DECLARE_ALIGNED(8, uint64_t, ebxsave);
 #endif
-       if(canMMX2BeUsed)
-       {
-               asm volatile(
+        if (canMMX2BeUsed)
+        {
+            __asm__ volatile(
 #if defined(PIC)
-                       "mov %%"REG_b", %6    \n\t"
+            "mov          %%"REG_b", %6         \n\t"
 #endif
-                       "pxor %%mm7, %%mm7              \n\t"
-                       "mov %0, %%"REG_c"              \n\t"
-                       "mov %1, %%"REG_D"              \n\t"
-                       "mov %2, %%"REG_d"              \n\t"
-                       "mov %3, %%"REG_b"              \n\t"
-                       "xor %%"REG_a", %%"REG_a"       \n\t" // i
-                       PREFETCH" (%%"REG_c")           \n\t"
-                       PREFETCH" 32(%%"REG_c")         \n\t"
-                       PREFETCH" 64(%%"REG_c")         \n\t"
-
-#ifdef ARCH_X86_64
+            "pxor             %%mm7, %%mm7      \n\t"
+            "mov                 %0, %%"REG_c"  \n\t"
+            "mov                 %1, %%"REG_D"  \n\t"
+            "mov                 %2, %%"REG_d"  \n\t"
+            "mov                 %3, %%"REG_b"  \n\t"
+            "xor          %%"REG_a", %%"REG_a"  \n\t" // i
+            PREFETCH"   (%%"REG_c")             \n\t"
+            PREFETCH" 32(%%"REG_c")             \n\t"
+            PREFETCH" 64(%%"REG_c")             \n\t"
+
+#if ARCH_X86_64
 
 #define FUNNY_UV_CODE \
-                       "movl (%%"REG_b"), %%esi        \n\t"\
-                       "call *%4                       \n\t"\
-                       "movl (%%"REG_b", %%"REG_a"), %%esi\n\t"\
-                       "add %%"REG_S", %%"REG_c"       \n\t"\
-                       "add %%"REG_a", %%"REG_D"       \n\t"\
-                       "xor %%"REG_a", %%"REG_a"       \n\t"\
+            "movl       (%%"REG_b"), %%esi      \n\t"\
+            "call               *%4             \n\t"\
+            "movl (%%"REG_b", %%"REG_a"), %%esi \n\t"\
+            "add          %%"REG_S", %%"REG_c"  \n\t"\
+            "add          %%"REG_a", %%"REG_D"  \n\t"\
+            "xor          %%"REG_a", %%"REG_a"  \n\t"\
 
 #else
 
 #define FUNNY_UV_CODE \
-                       "movl (%%"REG_b"), %%esi        \n\t"\
-                       "call *%4                       \n\t"\
-                       "addl (%%"REG_b", %%"REG_a"), %%"REG_c"\n\t"\
-                       "add %%"REG_a", %%"REG_D"       \n\t"\
-                       "xor %%"REG_a", %%"REG_a"       \n\t"\
+            "movl       (%%"REG_b"), %%esi      \n\t"\
+            "call               *%4             \n\t"\
+            "addl (%%"REG_b", %%"REG_a"), %%"REG_c" \n\t"\
+            "add          %%"REG_a", %%"REG_D"  \n\t"\
+            "xor          %%"REG_a", %%"REG_a"  \n\t"\
 
-#endif
+#endif /* ARCH_X86_64 */
 
 FUNNY_UV_CODE
 FUNNY_UV_CODE
 FUNNY_UV_CODE
 FUNNY_UV_CODE
-                       "xor %%"REG_a", %%"REG_a"       \n\t" // i
-                       "mov %5, %%"REG_c"              \n\t" // src
-                       "mov %1, %%"REG_D"              \n\t" // buf1
-                       "add $4096, %%"REG_D"           \n\t"
-                       PREFETCH" (%%"REG_c")           \n\t"
-                       PREFETCH" 32(%%"REG_c")         \n\t"
-                       PREFETCH" 64(%%"REG_c")         \n\t"
+            "xor          %%"REG_a", %%"REG_a"  \n\t" // i
+            "mov                 %5, %%"REG_c"  \n\t" // src
+            "mov                 %1, %%"REG_D"  \n\t" // buf1
+            "add              $"AV_STRINGIFY(VOF)", %%"REG_D"  \n\t"
+            PREFETCH"   (%%"REG_c")             \n\t"
+            PREFETCH" 32(%%"REG_c")             \n\t"
+            PREFETCH" 64(%%"REG_c")             \n\t"
 
 FUNNY_UV_CODE
 FUNNY_UV_CODE
@@ -2847,440 +2511,619 @@ FUNNY_UV_CODE
 FUNNY_UV_CODE
 
 #if defined(PIC)
-                       "mov %6, %%"REG_b"    \n\t"
+            "mov %6, %%"REG_b"    \n\t"
 #endif
-                       :: "m" (src1), "m" (dst), "m" (mmx2Filter), "m" (mmx2FilterPos),
-                       "m" (funnyUVCode), "m" (src2)
+            :: "m" (src1), "m" (dst), "m" (mmx2Filter), "m" (mmx2FilterPos),
+            "m" (funnyUVCode), "m" (src2)
 #if defined(PIC)
-                       ,"m" (ebxsave)
+            ,"m" (ebxsave)
 #endif
-                       : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S, "%"REG_D
+            : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S, "%"REG_D
 #if !defined(PIC)
-                        ,"%"REG_b
-#endif
-               );
-               for(i=dstWidth-1; (i*xInc)>>16 >=srcW-1; i--)
-               {
-//                     printf("%d %d %d\n", dstWidth, i, srcW);
-                       dst[i] = src1[srcW-1]*128;
-                       dst[i+2048] = src2[srcW-1]*128;
-               }
-       }
-       else
-       {
-#endif
-       long xInc_shr16 = (long) (xInc >> 16);
-       uint16_t xInc_mask = xInc & 0xffff; 
-       asm volatile(
-               "xor %%"REG_a", %%"REG_a"       \n\t" // i
-               "xor %%"REG_d", %%"REG_d"               \n\t" // xx
-               "xorl %%ecx, %%ecx              \n\t" // 2*xalpha
-               ASMALIGN(4)
-               "1:                             \n\t"
-               "mov %0, %%"REG_S"              \n\t"
-               "movzbl  (%%"REG_S", %%"REG_d"), %%edi  \n\t" //src[xx]
-               "movzbl 1(%%"REG_S", %%"REG_d"), %%esi  \n\t" //src[xx+1]
-               "subl %%edi, %%esi              \n\t" //src[xx+1] - src[xx]
-               "imull %%ecx, %%esi             \n\t" //(src[xx+1] - src[xx])*2*xalpha
-               "shll $16, %%edi                \n\t"
-               "addl %%edi, %%esi              \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)
-               "mov %1, %%"REG_D"              \n\t"
-               "shrl $9, %%esi                 \n\t"
-               "movw %%si, (%%"REG_D", %%"REG_a", 2)\n\t"
-
-               "movzbl  (%5, %%"REG_d"), %%edi \n\t" //src[xx]
-               "movzbl 1(%5, %%"REG_d"), %%esi \n\t" //src[xx+1]
-               "subl %%edi, %%esi              \n\t" //src[xx+1] - src[xx]
-               "imull %%ecx, %%esi             \n\t" //(src[xx+1] - src[xx])*2*xalpha
-               "shll $16, %%edi                \n\t"
-               "addl %%edi, %%esi              \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)
-               "mov %1, %%"REG_D"              \n\t"
-               "shrl $9, %%esi                 \n\t"
-               "movw %%si, 4096(%%"REG_D", %%"REG_a", 2)\n\t"
-
-               "addw %4, %%cx                  \n\t" //2*xalpha += xInc&0xFF
-               "adc %3, %%"REG_d"              \n\t" //xx+= xInc>>8 + carry
-               "add $1, %%"REG_a"              \n\t"
-               "cmp %2, %%"REG_a"              \n\t"
-               " jb 1b                         \n\t"
-
-/* GCC-3.3 makes MPlayer crash on IA-32 machines when using "g" operand here,
-   which is needed to support GCC-4.0 */
-#if defined(ARCH_X86_64) && ((__GNUC__ > 3) || ( __GNUC__ == 3 && __GNUC_MINOR__ >= 4))
-               :: "m" (src1), "m" (dst), "g" ((long)dstWidth), "m" (xInc_shr16), "m" (xInc_mask),
+             ,"%"REG_b
+#endif
+            );
+            for (i=dstWidth-1; (i*xInc)>>16 >=srcW-1; i--)
+            {
+                //printf("%d %d %d\n", dstWidth, i, srcW);
+                dst[i] = src1[srcW-1]*128;
+                dst[i+VOFW] = src2[srcW-1]*128;
+            }
+        }
+        else
+        {
+#endif /* HAVE_MMX2 */
+            x86_reg xInc_shr16 = (x86_reg) (xInc >> 16);
+            uint16_t xInc_mask = xInc & 0xffff;
+            __asm__ volatile(
+            "xor %%"REG_a", %%"REG_a"               \n\t" // i
+            "xor %%"REG_d", %%"REG_d"               \n\t" // xx
+            "xorl    %%ecx, %%ecx                   \n\t" // 2*xalpha
+            ASMALIGN(4)
+            "1:                                     \n\t"
+            "mov        %0, %%"REG_S"               \n\t"
+            "movzbl  (%%"REG_S", %%"REG_d"), %%edi  \n\t" //src[xx]
+            "movzbl 1(%%"REG_S", %%"REG_d"), %%esi  \n\t" //src[xx+1]
+            "subl    %%edi, %%esi                   \n\t" //src[xx+1] - src[xx]
+            "imull   %%ecx, %%esi                   \n\t" //(src[xx+1] - src[xx])*2*xalpha
+            "shll      $16, %%edi                   \n\t"
+            "addl    %%edi, %%esi                   \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)
+            "mov        %1, %%"REG_D"               \n\t"
+            "shrl       $9, %%esi                   \n\t"
+            "movw     %%si, (%%"REG_D", %%"REG_a", 2)   \n\t"
+
+            "movzbl    (%5, %%"REG_d"), %%edi       \n\t" //src[xx]
+            "movzbl   1(%5, %%"REG_d"), %%esi       \n\t" //src[xx+1]
+            "subl    %%edi, %%esi                   \n\t" //src[xx+1] - src[xx]
+            "imull   %%ecx, %%esi                   \n\t" //(src[xx+1] - src[xx])*2*xalpha
+            "shll      $16, %%edi                   \n\t"
+            "addl    %%edi, %%esi                   \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)
+            "mov        %1, %%"REG_D"               \n\t"
+            "shrl       $9, %%esi                   \n\t"
+            "movw     %%si, "AV_STRINGIFY(VOF)"(%%"REG_D", %%"REG_a", 2)   \n\t"
+
+            "addw       %4, %%cx                    \n\t" //2*xalpha += xInc&0xFF
+            "adc        %3, %%"REG_d"               \n\t" //xx+= xInc>>8 + carry
+            "add        $1, %%"REG_a"               \n\t"
+            "cmp        %2, %%"REG_a"               \n\t"
+            " jb        1b                          \n\t"
+
+/* GCC 3.3 makes MPlayer crash on IA-32 machines when using "g" operand here,
+   which is needed to support GCC 4.0. */
+#if ARCH_X86_64 && ((__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
+            :: "m" (src1), "m" (dst), "g" (dstWidth), "m" (xInc_shr16), "m" (xInc_mask),
 #else
-               :: "m" (src1), "m" (dst), "m" ((long)dstWidth), "m" (xInc_shr16), "m" (xInc_mask),
+            :: "m" (src1), "m" (dst), "m" (dstWidth), "m" (xInc_shr16), "m" (xInc_mask),
 #endif
-               "r" (src2)
-               : "%"REG_a, "%"REG_d, "%ecx", "%"REG_D, "%esi"
-               );
-#ifdef HAVE_MMX2
-       } //if MMX2 can't be used
+            "r" (src2)
+            : "%"REG_a, "%"REG_d, "%ecx", "%"REG_D, "%esi"
+            );
+#if HAVE_MMX2
+        } //if MMX2 can't be used
 #endif
 #else
-       int i;
-       unsigned int xpos=0;
-       for(i=0;i<dstWidth;i++)
-       {
-               register unsigned int xx=xpos>>16;
-               register unsigned int xalpha=(xpos&0xFFFF)>>9;
-               dst[i]=(src1[xx]*(xalpha^127)+src1[xx+1]*xalpha);
-               dst[i+2048]=(src2[xx]*(xalpha^127)+src2[xx+1]*xalpha);
-/* slower
-         dst[i]= (src1[xx]<<7) + (src1[xx+1] - src1[xx])*xalpha;
-         dst[i+2048]=(src2[xx]<<7) + (src2[xx+1] - src2[xx])*xalpha;
-*/
-               xpos+=xInc;
-       }
-#endif
-   }
+        c->hcscale_fast(c, dst, dstWidth, src1, src2, srcW, xInc);
+#endif /* ARCH_X86 */
+    }
+    if(c->srcRange != c->dstRange && !(isRGB(c->dstFormat) || isBGR(c->dstFormat))){
+        int i;
+        //FIXME all pal and rgb srcFormats could do this convertion as well
+        //FIXME all scalers more complex than bilinear could do half of this transform
+        if(c->srcRange){
+            for (i=0; i<dstWidth; i++){
+                dst[i     ]= (dst[i     ]*1799 + 4081085)>>11; //1469
+                dst[i+VOFW]= (dst[i+VOFW]*1799 + 4081085)>>11; //1469
+            }
+        }else{
+            for (i=0; i<dstWidth; i++){
+                dst[i     ]= (FFMIN(dst[i     ],30775)*4663 - 9289992)>>12; //-264
+                dst[i+VOFW]= (FFMIN(dst[i+VOFW],30775)*4663 - 9289992)>>12; //-264
+            }
+        }
+    }
 }
 
 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;
-       const int dstW= c->dstW;
-       const int dstH= c->dstH;
-       const int chrDstW= c->chrDstW;
-       const int chrSrcW= c->chrSrcW;
-       const int lumXInc= c->lumXInc;
-       const int chrXInc= c->chrXInc;
-       const int dstFormat= c->dstFormat;
-       const int srcFormat= c->srcFormat;
-       const int flags= c->flags;
-       const int canMMX2BeUsed= c->canMMX2BeUsed;
-       int16_t *vLumFilterPos= c->vLumFilterPos;
-       int16_t *vChrFilterPos= c->vChrFilterPos;
-       int16_t *hLumFilterPos= c->hLumFilterPos;
-       int16_t *hChrFilterPos= c->hChrFilterPos;
-       int16_t *vLumFilter= c->vLumFilter;
-       int16_t *vChrFilter= c->vChrFilter;
-       int16_t *hLumFilter= c->hLumFilter;
-       int16_t *hChrFilter= c->hChrFilter;
-       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;
-       const int hChrFilterSize= c->hChrFilterSize;
-       int16_t **lumPixBuf= c->lumPixBuf;
-       int16_t **chrPixBuf= c->chrPixBuf;
-       const int vLumBufSize= c->vLumBufSize;
-       const int vChrBufSize= c->vChrBufSize;
-       uint8_t *funnyYCode= c->funnyYCode;
-       uint8_t *funnyUVCode= c->funnyUVCode;
-       uint8_t *formatConvBuffer= c->formatConvBuffer;
-       const int chrSrcSliceY= srcSliceY >> c->chrSrcVSubSample;
-       const int chrSrcSliceH= -((-srcSliceH) >> c->chrSrcVSubSample);
-       int lastDstY;
-        uint8_t *pal=NULL;
-
-       /* vars whch will change and which we need to storw back in the context */
-       int dstY= c->dstY;
-       int lumBufIndex= c->lumBufIndex;
-       int chrBufIndex= c->chrBufIndex;
-       int lastInLumBuf= c->lastInLumBuf;
-       int lastInChrBuf= c->lastInChrBuf;
-       
-       if(isPacked(c->srcFormat)){
-                pal= src[1];
-               src[0]=
-               src[1]=
-               src[2]= src[0];
-               srcStride[0]=
-               srcStride[1]=
-               srcStride[2]= srcStride[0];
-       }
-       srcStride[1]<<= c->vChrDrop;
-       srcStride[2]<<= c->vChrDrop;
-
-//     printf("swscale %X %X %X -> %X %X %X\n", (int)src[0], (int)src[1], (int)src[2],
-//             (int)dst[0], (int)dst[1], (int)dst[2]);
+                           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;
+    const int dstW= c->dstW;
+    const int dstH= c->dstH;
+    const int chrDstW= c->chrDstW;
+    const int chrSrcW= c->chrSrcW;
+    const int lumXInc= c->lumXInc;
+    const int chrXInc= c->chrXInc;
+    const int dstFormat= c->dstFormat;
+    const int srcFormat= c->srcFormat;
+    const int flags= c->flags;
+    int16_t *vLumFilterPos= c->vLumFilterPos;
+    int16_t *vChrFilterPos= c->vChrFilterPos;
+    int16_t *hLumFilterPos= c->hLumFilterPos;
+    int16_t *hChrFilterPos= c->hChrFilterPos;
+    int16_t *vLumFilter= c->vLumFilter;
+    int16_t *vChrFilter= c->vChrFilter;
+    int16_t *hLumFilter= c->hLumFilter;
+    int16_t *hChrFilter= c->hChrFilter;
+    int32_t *lumMmxFilter= c->lumMmxFilter;
+    int32_t *chrMmxFilter= c->chrMmxFilter;
+    int32_t *alpMmxFilter= c->alpMmxFilter;
+    const int vLumFilterSize= c->vLumFilterSize;
+    const int vChrFilterSize= c->vChrFilterSize;
+    const int hLumFilterSize= c->hLumFilterSize;
+    const int hChrFilterSize= c->hChrFilterSize;
+    int16_t **lumPixBuf= c->lumPixBuf;
+    int16_t **chrPixBuf= c->chrPixBuf;
+    int16_t **alpPixBuf= c->alpPixBuf;
+    const int vLumBufSize= c->vLumBufSize;
+    const int vChrBufSize= c->vChrBufSize;
+    uint8_t *formatConvBuffer= c->formatConvBuffer;
+    const int chrSrcSliceY= srcSliceY >> c->chrSrcVSubSample;
+    const int chrSrcSliceH= -((-srcSliceH) >> c->chrSrcVSubSample);
+    int lastDstY;
+    uint32_t *pal=c->pal_yuv;
+
+    /* vars which will change and which we need to store back in the context */
+    int dstY= c->dstY;
+    int lumBufIndex= c->lumBufIndex;
+    int chrBufIndex= c->chrBufIndex;
+    int lastInLumBuf= c->lastInLumBuf;
+    int lastInChrBuf= c->lastInChrBuf;
+
+    if (isPacked(c->srcFormat)){
+        src[0]=
+        src[1]=
+        src[2]=
+        src[3]= src[0];
+        srcStride[0]=
+        srcStride[1]=
+        srcStride[2]=
+        srcStride[3]= srcStride[0];
+    }
+    srcStride[1]<<= c->vChrDrop;
+    srcStride[2]<<= c->vChrDrop;
+
+    //printf("swscale %X %X %X -> %X %X %X\n", (int)src[0], (int)src[1], (int)src[2],
+    //       (int)dst[0], (int)dst[1], (int)dst[2]);
 
 #if 0 //self test FIXME move to a vfilter or something
-{
-static volatile int i=0;
-i++;
-if(srcFormat==PIX_FMT_YUV420P && i==1 && srcSliceH>= c->srcH)
-       selfTest(src, srcStride, c->srcW, c->srcH);
-i--;
-}
+    {
+    static volatile int i=0;
+    i++;
+    if (srcFormat==PIX_FMT_YUV420P && i==1 && srcSliceH>= c->srcH)
+        selfTest(src, srcStride, c->srcW, c->srcH);
+    i--;
+    }
 #endif
 
-//printf("sws Strides:%d %d %d -> %d %d %d\n", srcStride[0],srcStride[1],srcStride[2],
-//dstStride[0],dstStride[1],dstStride[2]);
-
-       if(dstStride[0]%8 !=0 || dstStride[1]%8 !=0 || dstStride[2]%8 !=0)
-       {
-               static int firstTime=1; //FIXME move this into the context perhaps
-               if(flags & SWS_PRINT_INFO && firstTime)
-               {
-                       av_log(c, AV_LOG_WARNING, "SwScaler: Warning: dstStride is not aligned!\n"
-                                       "SwScaler:          ->cannot do aligned memory acesses anymore\n");
-                       firstTime=0;
-               }
-       }
-
-       /* Note the user might start scaling the picture in the middle so this will not get executed
-          this is not really intended but works currently, so ppl might do it */
-       if(srcSliceY ==0){
-               lumBufIndex=0;
-               chrBufIndex=0;
-               dstY=0; 
-               lastInLumBuf= -1;
-               lastInChrBuf= -1;
-       }
-
-       lastDstY= dstY;
-
-       for(;dstY < dstH; dstY++){
-               unsigned char *dest =dst[0]+dstStride[0]*dstY;
-               const int chrDstY= dstY>>c->chrDstVSubSample;
-               unsigned char *uDest=dst[1]+dstStride[1]*chrDstY;
-               unsigned char *vDest=dst[2]+dstStride[2]*chrDstY;
-
-               const int firstLumSrcY= vLumFilterPos[dstY]; //First line needed as input
-               const int firstChrSrcY= vChrFilterPos[chrDstY]; //First line needed as input
-               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;
-//printf("%d %d %d\n", firstChrSrcY, lastInChrBuf, vChrBufSize);
-               ASSERT(firstLumSrcY >= lastInLumBuf - vLumBufSize + 1)
-               ASSERT(firstChrSrcY >= lastInChrBuf - vChrBufSize + 1)
-
-               // Do we have enough lines in this slice to output the dstY line
-               if(lastLumSrcY < srcSliceY + srcSliceH && lastChrSrcY < -((-srcSliceY - srcSliceH)>>c->chrSrcVSubSample))
-               {
-                       //Do horizontal scaling
-                       while(lastInLumBuf < lastLumSrcY)
-                       {
-                               uint8_t *s= src[0]+(lastInLumBuf + 1 - srcSliceY)*srcStride[0];
-                               lumBufIndex++;
-//                             printf("%d %d %d %d\n", lumBufIndex, vLumBufSize, lastInLumBuf,  lastLumSrcY);
-                               ASSERT(lumBufIndex < 2*vLumBufSize)
-                               ASSERT(lastInLumBuf + 1 - srcSliceY < srcSliceH)
-                               ASSERT(lastInLumBuf + 1 - srcSliceY >= 0)
-//                             printf("%d %d\n", lumBufIndex, vLumBufSize);
-                               RENAME(hyscale)(lumPixBuf[ lumBufIndex ], dstW, s, srcW, lumXInc,
-                                               flags, canMMX2BeUsed, hLumFilter, hLumFilterPos, hLumFilterSize,
-                                               funnyYCode, c->srcFormat, formatConvBuffer, 
-                                               c->lumMmx2Filter, c->lumMmx2FilterPos, pal);
-                               lastInLumBuf++;
-                       }
-                       while(lastInChrBuf < lastChrSrcY)
-                       {
-                               uint8_t *src1= src[1]+(lastInChrBuf + 1 - chrSrcSliceY)*srcStride[1];
-                               uint8_t *src2= src[2]+(lastInChrBuf + 1 - chrSrcSliceY)*srcStride[2];
-                               chrBufIndex++;
-                               ASSERT(chrBufIndex < 2*vChrBufSize)
-                               ASSERT(lastInChrBuf + 1 - chrSrcSliceY < (chrSrcSliceH))
-                               ASSERT(lastInChrBuf + 1 - chrSrcSliceY >= 0)
-                               //FIXME replace parameters through context struct (some at least)
-
-                               if(!(isGray(srcFormat) || isGray(dstFormat)))
-                                       RENAME(hcscale)(chrPixBuf[ chrBufIndex ], chrDstW, src1, src2, chrSrcW, chrXInc,
-                                               flags, canMMX2BeUsed, hChrFilter, hChrFilterPos, hChrFilterSize,
-                                               funnyUVCode, c->srcFormat, formatConvBuffer, 
-                                               c->chrMmx2Filter, c->chrMmx2FilterPos, pal);
-                               lastInChrBuf++;
-                       }
-                       //wrap buf index around to stay inside the ring buffer
-                       if(lumBufIndex >= vLumBufSize ) lumBufIndex-= vLumBufSize;
-                       if(chrBufIndex >= vChrBufSize ) chrBufIndex-= vChrBufSize;
-               }
-               else // not enough lines left in this slice -> load the rest in the buffer
-               {
-/*             printf("%d %d Last:%d %d LastInBuf:%d %d Index:%d %d Y:%d FSize: %d %d BSize: %d %d\n",
-                       firstChrSrcY,firstLumSrcY,lastChrSrcY,lastLumSrcY,
-                       lastInChrBuf,lastInLumBuf,chrBufIndex,lumBufIndex,dstY,vChrFilterSize,vLumFilterSize,
-                       vChrBufSize, vLumBufSize);*/
-
-                       //Do horizontal scaling
-                       while(lastInLumBuf+1 < srcSliceY + srcSliceH)
-                       {
-                               uint8_t *s= src[0]+(lastInLumBuf + 1 - srcSliceY)*srcStride[0];
-                               lumBufIndex++;
-                               ASSERT(lumBufIndex < 2*vLumBufSize)
-                               ASSERT(lastInLumBuf + 1 - srcSliceY < srcSliceH)
-                               ASSERT(lastInLumBuf + 1 - srcSliceY >= 0)
-                               RENAME(hyscale)(lumPixBuf[ lumBufIndex ], dstW, s, srcW, lumXInc,
-                                               flags, canMMX2BeUsed, hLumFilter, hLumFilterPos, hLumFilterSize,
-                                               funnyYCode, c->srcFormat, formatConvBuffer, 
-                                               c->lumMmx2Filter, c->lumMmx2FilterPos, pal);
-                               lastInLumBuf++;
-                       }
-                       while(lastInChrBuf+1 < (chrSrcSliceY + chrSrcSliceH))
-                       {
-                               uint8_t *src1= src[1]+(lastInChrBuf + 1 - chrSrcSliceY)*srcStride[1];
-                               uint8_t *src2= src[2]+(lastInChrBuf + 1 - chrSrcSliceY)*srcStride[2];
-                               chrBufIndex++;
-                               ASSERT(chrBufIndex < 2*vChrBufSize)
-                               ASSERT(lastInChrBuf + 1 - chrSrcSliceY < chrSrcSliceH)
-                               ASSERT(lastInChrBuf + 1 - chrSrcSliceY >= 0)
-
-                               if(!(isGray(srcFormat) || isGray(dstFormat)))
-                                       RENAME(hcscale)(chrPixBuf[ chrBufIndex ], chrDstW, src1, src2, chrSrcW, chrXInc,
-                                               flags, canMMX2BeUsed, hChrFilter, hChrFilterPos, hChrFilterSize,
-                                               funnyUVCode, c->srcFormat, formatConvBuffer, 
-                                               c->chrMmx2Filter, c->chrMmx2FilterPos, pal);
-                               lastInChrBuf++;
-                       }
-                       //wrap buf index around to stay inside the ring buffer
-                       if(lumBufIndex >= vLumBufSize ) lumBufIndex-= vLumBufSize;
-                       if(chrBufIndex >= vChrBufSize ) chrBufIndex-= vChrBufSize;
-                       break; //we can't output a dstY line so let's try with the next slice
-               }
-
-#ifdef HAVE_MMX
-               b5Dither= dither8[dstY&1];
-               g6Dither= dither4[dstY&1];
-               g5Dither= dither8[dstY&1];
-               r5Dither= dither8[(dstY+1)&1];
-#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;
-            if(flags & SWS_ACCURATE_RND){
-                        for(i=0; i<vLumFilterSize; i+=2){
-                                lumMmxFilter[2*i+0]= (int32_t)lumSrcPtr[i  ];
-                                lumMmxFilter[2*i+1]= (int32_t)lumSrcPtr[i+(vLumFilterSize>1)];
-                                lumMmxFilter[2*i+2]=
-                                lumMmxFilter[2*i+3]= vLumFilter[dstY*vLumFilterSize + i    ]
-                                                + (vLumFilterSize>1 ? vLumFilter[dstY*vLumFilterSize + i + 1]<<16 : 0);
-                        }
-                        for(i=0; i<vChrFilterSize; i+=2){
-                                chrMmxFilter[2*i+0]= (int32_t)chrSrcPtr[i  ];
-                                chrMmxFilter[2*i+1]= (int32_t)chrSrcPtr[i+(vChrFilterSize>1)];
-                                chrMmxFilter[2*i+2]=
-                                chrMmxFilter[2*i+3]= vChrFilter[chrDstY*vChrFilterSize + i    ]
-                                                + (vChrFilterSize>1 ? vChrFilter[chrDstY*vChrFilterSize + i + 1]<<16 : 0);
-                        }
-            }else{
-               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;
-               }
+    //printf("sws Strides:%d %d %d -> %d %d %d\n", srcStride[0],srcStride[1],srcStride[2],
+    //dstStride[0],dstStride[1],dstStride[2]);
+
+    if (dstStride[0]%8 !=0 || dstStride[1]%8 !=0 || dstStride[2]%8 !=0 || dstStride[3]%8 != 0)
+    {
+        static int warnedAlready=0; //FIXME move this into the context perhaps
+        if (flags & SWS_PRINT_INFO && !warnedAlready)
+        {
+            av_log(c, AV_LOG_WARNING, "Warning: dstStride is not aligned!\n"
+                   "         ->cannot do aligned memory accesses anymore\n");
+            warnedAlready=1;
+        }
+    }
+
+    /* Note the user might start scaling the picture in the middle so this
+       will not get executed. This is not really intended but works
+       currently, so people might do it. */
+    if (srcSliceY ==0){
+        lumBufIndex=0;
+        chrBufIndex=0;
+        dstY=0;
+        lastInLumBuf= -1;
+        lastInChrBuf= -1;
+    }
+
+    lastDstY= dstY;
+
+    for (;dstY < dstH; dstY++){
+        unsigned char *dest =dst[0]+dstStride[0]*dstY;
+        const int chrDstY= dstY>>c->chrDstVSubSample;
+        unsigned char *uDest=dst[1]+dstStride[1]*chrDstY;
+        unsigned char *vDest=dst[2]+dstStride[2]*chrDstY;
+        unsigned char *aDest=(CONFIG_SWSCALE_ALPHA && alpPixBuf) ? dst[3]+dstStride[3]*dstY : NULL;
+
+        const int firstLumSrcY= vLumFilterPos[dstY]; //First line needed as input
+        const int firstChrSrcY= vChrFilterPos[chrDstY]; //First line needed as input
+        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;
+        //printf("%d %d %d\n", firstChrSrcY, lastInChrBuf, vChrBufSize);
+        assert(firstLumSrcY >= lastInLumBuf - vLumBufSize + 1);
+        assert(firstChrSrcY >= lastInChrBuf - vChrBufSize + 1);
+
+        // Do we have enough lines in this slice to output the dstY line
+        if (lastLumSrcY < srcSliceY + srcSliceH && lastChrSrcY < -((-srcSliceY - srcSliceH)>>c->chrSrcVSubSample))
+        {
+            //Do horizontal scaling
+            while(lastInLumBuf < lastLumSrcY)
+            {
+                uint8_t *src1= src[0]+(lastInLumBuf + 1 - srcSliceY)*srcStride[0];
+                uint8_t *src2= src[3]+(lastInLumBuf + 1 - srcSliceY)*srcStride[3];
+                lumBufIndex++;
+                //printf("%d %d %d %d\n", lumBufIndex, vLumBufSize, lastInLumBuf,  lastLumSrcY);
+                assert(lumBufIndex < 2*vLumBufSize);
+                assert(lastInLumBuf + 1 - srcSliceY < srcSliceH);
+                assert(lastInLumBuf + 1 - srcSliceY >= 0);
+                //printf("%d %d\n", lumBufIndex, vLumBufSize);
+                RENAME(hyscale)(c, lumPixBuf[ lumBufIndex ], dstW, src1, srcW, lumXInc,
+                                flags, hLumFilter, hLumFilterPos, hLumFilterSize,
+                                c->srcFormat, formatConvBuffer,
+                                pal, 0);
+                if (CONFIG_SWSCALE_ALPHA && alpPixBuf)
+                    RENAME(hyscale)(c, alpPixBuf[ lumBufIndex ], dstW, src2, srcW, lumXInc,
+                                    flags, hLumFilter, hLumFilterPos, hLumFilterSize,
+                                    c->srcFormat, formatConvBuffer,
+                                    pal, 1);
+                lastInLumBuf++;
             }
+            while(lastInChrBuf < lastChrSrcY)
+            {
+                uint8_t *src1= src[1]+(lastInChrBuf + 1 - chrSrcSliceY)*srcStride[1];
+                uint8_t *src2= src[2]+(lastInChrBuf + 1 - chrSrcSliceY)*srcStride[2];
+                chrBufIndex++;
+                assert(chrBufIndex < 2*vChrBufSize);
+                assert(lastInChrBuf + 1 - chrSrcSliceY < (chrSrcSliceH));
+                assert(lastInChrBuf + 1 - chrSrcSliceY >= 0);
+                //FIXME replace parameters through context struct (some at least)
+
+                if (!(isGray(srcFormat) || isGray(dstFormat)))
+                    RENAME(hcscale)(c, chrPixBuf[ chrBufIndex ], chrDstW, src1, src2, chrSrcW, chrXInc,
+                                    flags, hChrFilter, hChrFilterPos, hChrFilterSize,
+                                    c->srcFormat, formatConvBuffer,
+                                    pal);
+                lastInChrBuf++;
+            }
+            //wrap buf index around to stay inside the ring buffer
+            if (lumBufIndex >= vLumBufSize) lumBufIndex-= vLumBufSize;
+            if (chrBufIndex >= vChrBufSize) chrBufIndex-= vChrBufSize;
+        }
+        else // not enough lines left in this slice -> load the rest in the buffer
+        {
+            /* printf("%d %d Last:%d %d LastInBuf:%d %d Index:%d %d Y:%d FSize: %d %d BSize: %d %d\n",
+            firstChrSrcY,firstLumSrcY,lastChrSrcY,lastLumSrcY,
+            lastInChrBuf,lastInLumBuf,chrBufIndex,lumBufIndex,dstY,vChrFilterSize,vLumFilterSize,
+            vChrBufSize, vLumBufSize);*/
+
+            //Do horizontal scaling
+            while(lastInLumBuf+1 < srcSliceY + srcSliceH)
+            {
+                uint8_t *src1= src[0]+(lastInLumBuf + 1 - srcSliceY)*srcStride[0];
+                uint8_t *src2= src[3]+(lastInLumBuf + 1 - srcSliceY)*srcStride[3];
+                lumBufIndex++;
+                assert(lumBufIndex < 2*vLumBufSize);
+                assert(lastInLumBuf + 1 - srcSliceY < srcSliceH);
+                assert(lastInLumBuf + 1 - srcSliceY >= 0);
+                RENAME(hyscale)(c, lumPixBuf[ lumBufIndex ], dstW, src1, srcW, lumXInc,
+                                flags, hLumFilter, hLumFilterPos, hLumFilterSize,
+                                c->srcFormat, formatConvBuffer,
+                                pal, 0);
+                if (CONFIG_SWSCALE_ALPHA && alpPixBuf)
+                    RENAME(hyscale)(c, alpPixBuf[ lumBufIndex ], dstW, src2, srcW, lumXInc,
+                                    flags, hLumFilter, hLumFilterPos, hLumFilterSize,
+                                    c->srcFormat, formatConvBuffer,
+                                    pal, 1);
+                lastInLumBuf++;
+            }
+            while(lastInChrBuf+1 < (chrSrcSliceY + chrSrcSliceH))
+            {
+                uint8_t *src1= src[1]+(lastInChrBuf + 1 - chrSrcSliceY)*srcStride[1];
+                uint8_t *src2= src[2]+(lastInChrBuf + 1 - chrSrcSliceY)*srcStride[2];
+                chrBufIndex++;
+                assert(chrBufIndex < 2*vChrBufSize);
+                assert(lastInChrBuf + 1 - chrSrcSliceY < chrSrcSliceH);
+                assert(lastInChrBuf + 1 - chrSrcSliceY >= 0);
+
+                if (!(isGray(srcFormat) || isGray(dstFormat)))
+                    RENAME(hcscale)(c, chrPixBuf[ chrBufIndex ], chrDstW, src1, src2, chrSrcW, chrXInc,
+                            flags, hChrFilter, hChrFilterPos, hChrFilterSize,
+                            c->srcFormat, formatConvBuffer,
+                            pal);
+                lastInChrBuf++;
+            }
+            //wrap buf index around to stay inside the ring buffer
+            if (lumBufIndex >= vLumBufSize) lumBufIndex-= vLumBufSize;
+            if (chrBufIndex >= vChrBufSize) chrBufIndex-= vChrBufSize;
+            break; //we can't output a dstY line so let's try with the next slice
+        }
+
+#if HAVE_MMX
+        c->blueDither= ff_dither8[dstY&1];
+        if (c->dstFormat == PIX_FMT_RGB555 || c->dstFormat == PIX_FMT_BGR555)
+            c->greenDither= ff_dither8[dstY&1];
+        else
+            c->greenDither= ff_dither4[dstY&1];
+        c->redDither= ff_dither8[(dstY+1)&1];
+#endif
+        if (dstY < dstH-2)
+        {
+            const int16_t **lumSrcPtr= (const int16_t **) lumPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize;
+            const int16_t **chrSrcPtr= (const int16_t **) chrPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize;
+            const int16_t **alpSrcPtr= (CONFIG_SWSCALE_ALPHA && alpPixBuf) ? (const int16_t **) alpPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize : NULL;
+#if HAVE_MMX
+            int i;
+        if (flags & SWS_ACCURATE_RND){
+            int s= APCK_SIZE / 8;
+            for (i=0; i<vLumFilterSize; i+=2){
+                *(void**)&lumMmxFilter[s*i              ]= lumSrcPtr[i  ];
+                *(void**)&lumMmxFilter[s*i+APCK_PTR2/4  ]= lumSrcPtr[i+(vLumFilterSize>1)];
+                          lumMmxFilter[s*i+APCK_COEF/4  ]=
+                          lumMmxFilter[s*i+APCK_COEF/4+1]= vLumFilter[dstY*vLumFilterSize + i    ]
+                    + (vLumFilterSize>1 ? vLumFilter[dstY*vLumFilterSize + i + 1]<<16 : 0);
+                if (CONFIG_SWSCALE_ALPHA && alpPixBuf){
+                    *(void**)&alpMmxFilter[s*i              ]= alpSrcPtr[i  ];
+                    *(void**)&alpMmxFilter[s*i+APCK_PTR2/4  ]= alpSrcPtr[i+(vLumFilterSize>1)];
+                              alpMmxFilter[s*i+APCK_COEF/4  ]=
+                              alpMmxFilter[s*i+APCK_COEF/4+1]= lumMmxFilter[s*i+APCK_COEF/4  ];
+                }
+            }
+            for (i=0; i<vChrFilterSize; i+=2){
+                *(void**)&chrMmxFilter[s*i              ]= chrSrcPtr[i  ];
+                *(void**)&chrMmxFilter[s*i+APCK_PTR2/4  ]= chrSrcPtr[i+(vChrFilterSize>1)];
+                          chrMmxFilter[s*i+APCK_COEF/4  ]=
+                          chrMmxFilter[s*i+APCK_COEF/4+1]= vChrFilter[chrDstY*vChrFilterSize + i    ]
+                    + (vChrFilterSize>1 ? vChrFilter[chrDstY*vChrFilterSize + i + 1]<<16 : 0);
+            }
+        }else{
+            for (i=0; i<vLumFilterSize; i++)
+            {
+                lumMmxFilter[4*i+0]= (int32_t)lumSrcPtr[i];
+                lumMmxFilter[4*i+1]= (uint64_t)lumSrcPtr[i] >> 32;
+                lumMmxFilter[4*i+2]=
+                lumMmxFilter[4*i+3]=
+                    ((uint16_t)vLumFilter[dstY*vLumFilterSize + i])*0x10001;
+                if (CONFIG_SWSCALE_ALPHA && alpPixBuf){
+                    alpMmxFilter[4*i+0]= (int32_t)alpSrcPtr[i];
+                    alpMmxFilter[4*i+1]= (uint64_t)alpSrcPtr[i] >> 32;
+                    alpMmxFilter[4*i+2]=
+                    alpMmxFilter[4*i+3]= lumMmxFilter[4*i+2];
+                }
+            }
+            for (i=0; i<vChrFilterSize; i++)
+            {
+                chrMmxFilter[4*i+0]= (int32_t)chrSrcPtr[i];
+                chrMmxFilter[4*i+1]= (uint64_t)chrSrcPtr[i] >> 32;
+                chrMmxFilter[4*i+2]=
+                chrMmxFilter[4*i+3]=
+                    ((uint16_t)vChrFilter[chrDstY*vChrFilterSize + i])*0x10001;
+            }
+        }
 #endif
-               if(dstFormat == PIX_FMT_NV12 || dstFormat == PIX_FMT_NV21){
-                       const int chrSkipMask= (1<<c->chrDstVSubSample)-1;
-                       if(dstY&chrSkipMask) uDest= NULL; //FIXME split functions in lumi / chromi
-                       RENAME(yuv2nv12X)(c,
-                               vLumFilter+dstY*vLumFilterSize   , lumSrcPtr, vLumFilterSize,
-                               vChrFilter+chrDstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
-                               dest, uDest, dstW, chrDstW, dstFormat);
-               }
-               else if(isPlanarYUV(dstFormat) || isGray(dstFormat)) //YV12 like
-               {
-                       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];
-                               int16_t *chrBuf= chrPixBuf[0];
-                               RENAME(yuv2yuv1)(lumBuf, chrBuf, dest, uDest, vDest, dstW, chrDstW);
-                       }
-                       else //General YV12
-                       {
-                               RENAME(yuv2yuvX)(c,
-                                       vLumFilter+dstY*vLumFilterSize   , lumSrcPtr, vLumFilterSize,
-                                       vChrFilter+chrDstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
-                                       dest, uDest, vDest, dstW, chrDstW);
-                       }
-               }
-               else
-               {
-                       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(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];
-                                lumMmxFilter[2]=
-                                lumMmxFilter[3]= vLumFilter[2*dstY   ]*0x10001;
-                                chrMmxFilter[2]=
-                                chrMmxFilter[3]= vChrFilter[2*chrDstY]*0x10001;
-                               RENAME(yuv2packed2)(c, *lumSrcPtr, *(lumSrcPtr+1), *chrSrcPtr, *(chrSrcPtr+1),
-                                                dest, dstW, lumAlpha, chrAlpha, dstY);
-                       }
-                       else //General RGB
-                       {
-                               RENAME(yuv2packedX)(c,
-                                       vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,
-                                       vChrFilter+dstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
-                                       dest, dstW, dstY);
-                       }
-               }
+            if (dstFormat == PIX_FMT_NV12 || dstFormat == PIX_FMT_NV21){
+                const int chrSkipMask= (1<<c->chrDstVSubSample)-1;
+                if (dstY&chrSkipMask) uDest= NULL; //FIXME split functions in lumi / chromi
+                c->yuv2nv12X(c,
+                    vLumFilter+dstY*vLumFilterSize   , lumSrcPtr, vLumFilterSize,
+                    vChrFilter+chrDstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
+                    dest, uDest, dstW, chrDstW, dstFormat);
+            }
+            else if (isPlanarYUV(dstFormat) || dstFormat==PIX_FMT_GRAY8) //YV12 like
+            {
+                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];
+                    int16_t *chrBuf= chrPixBuf[0];
+                    int16_t *alpBuf= (CONFIG_SWSCALE_ALPHA && alpPixBuf) ? alpPixBuf[0] : NULL;
+                    c->yuv2yuv1(c, lumBuf, chrBuf, alpBuf, dest, uDest, vDest, aDest, dstW, chrDstW);
+                }
+                else //General YV12
+                {
+                    c->yuv2yuvX(c,
+                        vLumFilter+dstY*vLumFilterSize   , lumSrcPtr, vLumFilterSize,
+                        vChrFilter+chrDstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
+                        alpSrcPtr, dest, uDest, vDest, aDest, dstW, chrDstW);
+                }
+            }
+            else
+            {
+                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];
+                    if(flags & SWS_FULL_CHR_H_INT){
+                        yuv2rgbXinC_full(c, //FIXME write a packed1_full function
+                            vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,
+                            vChrFilter+dstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
+                            alpSrcPtr, dest, dstW, dstY);
+                    }else{
+                        c->yuv2packed1(c, *lumSrcPtr, *chrSrcPtr, *(chrSrcPtr+1),
+                            alpPixBuf ? *alpSrcPtr : NULL,
+                            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];
+                    lumMmxFilter[2]=
+                    lumMmxFilter[3]= vLumFilter[2*dstY   ]*0x10001;
+                    chrMmxFilter[2]=
+                    chrMmxFilter[3]= vChrFilter[2*chrDstY]*0x10001;
+                    if(flags & SWS_FULL_CHR_H_INT){
+                        yuv2rgbXinC_full(c, //FIXME write a packed2_full function
+                            vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,
+                            vChrFilter+dstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
+                            alpSrcPtr, dest, dstW, dstY);
+                    }else{
+                        c->yuv2packed2(c, *lumSrcPtr, *(lumSrcPtr+1), *chrSrcPtr, *(chrSrcPtr+1),
+                            alpPixBuf ? *alpSrcPtr : NULL, alpPixBuf ? *(alpSrcPtr+1) : NULL,
+                            dest, dstW, lumAlpha, chrAlpha, dstY);
+                    }
+                }
+                else //general RGB
+                {
+                    if(flags & SWS_FULL_CHR_H_INT){
+                        yuv2rgbXinC_full(c,
+                            vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,
+                            vChrFilter+dstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
+                            alpSrcPtr, dest, dstW, dstY);
+                    }else{
+                        c->yuv2packedX(c,
+                            vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,
+                            vChrFilter+dstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
+                            alpSrcPtr, dest, dstW, dstY);
+                    }
+                }
+            }
+        }
+        else // hmm looks like we can't use MMX here without overwriting this array's tail
+        {
+            const int16_t **lumSrcPtr= (const int16_t **)lumPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize;
+            const int16_t **chrSrcPtr= (const int16_t **)chrPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize;
+            const int16_t **alpSrcPtr= (CONFIG_SWSCALE_ALPHA && alpPixBuf) ? (const int16_t **)alpPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize : NULL;
+            if (dstFormat == PIX_FMT_NV12 || dstFormat == PIX_FMT_NV21){
+                const int chrSkipMask= (1<<c->chrDstVSubSample)-1;
+                if (dstY&chrSkipMask) uDest= NULL; //FIXME split functions in lumi / chromi
+                yuv2nv12XinC(
+                    vLumFilter+dstY*vLumFilterSize   , lumSrcPtr, vLumFilterSize,
+                    vChrFilter+chrDstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
+                    dest, uDest, dstW, chrDstW, dstFormat);
+            }
+            else if (isPlanarYUV(dstFormat) || dstFormat==PIX_FMT_GRAY8) //YV12
+            {
+                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,
+                    alpSrcPtr, dest, uDest, vDest, aDest, dstW, chrDstW);
             }
-           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(dstFormat == PIX_FMT_NV12 || dstFormat == PIX_FMT_NV21){
-                       const int chrSkipMask= (1<<c->chrDstVSubSample)-1;
-                       if(dstY&chrSkipMask) uDest= NULL; //FIXME split functions in lumi / chromi
-                       yuv2nv12XinC(
-                               vLumFilter+dstY*vLumFilterSize   , lumSrcPtr, vLumFilterSize,
-                               vChrFilter+chrDstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
-                               dest, uDest, dstW, chrDstW, dstFormat);
-               }
-               else if(isPlanarYUV(dstFormat) || isGray(dstFormat)) //YV12
-               {
-                       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,
-                               dest, uDest, vDest, dstW, chrDstW);
-               }
-               else
-               {
-                       ASSERT(lumSrcPtr + vLumFilterSize - 1 < lumPixBuf + vLumBufSize*2);
-                       ASSERT(chrSrcPtr + vChrFilterSize - 1 < chrPixBuf + vChrBufSize*2);
-                       yuv2packedXinC(c, 
-                               vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,
-                               vChrFilter+dstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
-                               dest, dstW, dstY);
-               }
-           }
-       }
-
-#ifdef HAVE_MMX
-       __asm __volatile(SFENCE:::"memory");
-       __asm __volatile(EMMS:::"memory");
+            else
+            {
+                assert(lumSrcPtr + vLumFilterSize - 1 < lumPixBuf + vLumBufSize*2);
+                assert(chrSrcPtr + vChrFilterSize - 1 < chrPixBuf + vChrBufSize*2);
+                if(flags & SWS_FULL_CHR_H_INT){
+                    yuv2rgbXinC_full(c,
+                        vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,
+                        vChrFilter+dstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
+                        alpSrcPtr, dest, dstW, dstY);
+                }else{
+                    yuv2packedXinC(c,
+                        vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,
+                        vChrFilter+dstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
+                        alpSrcPtr, dest, dstW, dstY);
+                }
+            }
+        }
+    }
+
+    if ((dstFormat == PIX_FMT_YUVA420P) && !alpPixBuf)
+        fillPlane(dst[3], dstStride[3], dstW, dstY-lastDstY, lastDstY, 255);
+
+#if HAVE_MMX
+    if (flags & SWS_CPU_CAPS_MMX2 )  __asm__ volatile("sfence":::"memory");
+    /* On K6 femms is faster than emms. On K7 femms is directly mapped to emms. */
+    if (flags & SWS_CPU_CAPS_3DNOW)  __asm__ volatile("femms" :::"memory");
+    else                             __asm__ volatile("emms"  :::"memory");
 #endif
-       /* store changed local vars back in the context */
-       c->dstY= dstY;
-       c->lumBufIndex= lumBufIndex;
-       c->chrBufIndex= chrBufIndex;
-       c->lastInLumBuf= lastInLumBuf;
-       c->lastInChrBuf= lastInChrBuf;
-
-       return dstY - lastDstY;
+    /* store changed local vars back in the context */
+    c->dstY= dstY;
+    c->lumBufIndex= lumBufIndex;
+    c->chrBufIndex= chrBufIndex;
+    c->lastInLumBuf= lastInLumBuf;
+    c->lastInChrBuf= lastInChrBuf;
+
+    return dstY - lastDstY;
+}
+
+static void RENAME(sws_init_swScale)(SwsContext *c)
+{
+    enum PixelFormat srcFormat = c->srcFormat;
+
+    c->yuv2nv12X    = RENAME(yuv2nv12X   );
+    c->yuv2yuv1     = RENAME(yuv2yuv1    );
+    c->yuv2yuvX     = RENAME(yuv2yuvX    );
+    c->yuv2packed1  = RENAME(yuv2packed1 );
+    c->yuv2packed2  = RENAME(yuv2packed2 );
+    c->yuv2packedX  = RENAME(yuv2packedX );
+
+    c->hScale       = RENAME(hScale      );
+
+    c->hyscale_fast = RENAME(hyscale_fast);
+    c->hcscale_fast = RENAME(hcscale_fast);
+
+    c->hcscale_internal = NULL;
+    switch(srcFormat) {
+        case PIX_FMT_YUYV422  : c->hcscale_internal = RENAME(yuy2ToUV); break;
+        case PIX_FMT_UYVY422  : c->hcscale_internal = RENAME(uyvyToUV); break;
+        case PIX_FMT_RGB8     :
+        case PIX_FMT_BGR8     :
+        case PIX_FMT_PAL8     :
+        case PIX_FMT_BGR4_BYTE:
+        case PIX_FMT_RGB4_BYTE: c->hcscale_internal = palToUV; break;
+        case PIX_FMT_YUV420PBE:
+        case PIX_FMT_YUV422PBE:
+        case PIX_FMT_YUV444PBE: c->hcscale_internal = RENAME(BEToUV); break;
+        case PIX_FMT_YUV420PLE:
+        case PIX_FMT_YUV422PLE:
+        case PIX_FMT_YUV444PLE: c->hcscale_internal = RENAME(LEToUV); break;
+    }
+    if (c->chrSrcHSubSample) {
+        switch(srcFormat) {
+        case PIX_FMT_RGB48BE:
+        case PIX_FMT_RGB48LE: c->hcscale_internal = rgb48ToUV_half; break;
+        case PIX_FMT_RGB32  :
+        case PIX_FMT_RGB32_1: c->hcscale_internal = bgr32ToUV_half; break;
+        case PIX_FMT_BGR24  : c->hcscale_internal = RENAME(bgr24ToUV_half); break;
+        case PIX_FMT_BGR565 : c->hcscale_internal = bgr16ToUV_half; break;
+        case PIX_FMT_BGR555 : c->hcscale_internal = bgr15ToUV_half; break;
+        case PIX_FMT_BGR32  :
+        case PIX_FMT_BGR32_1: c->hcscale_internal = rgb32ToUV_half; break;
+        case PIX_FMT_RGB24  : c->hcscale_internal = RENAME(rgb24ToUV_half); break;
+        case PIX_FMT_RGB565 : c->hcscale_internal = rgb16ToUV_half; break;
+        case PIX_FMT_RGB555 : c->hcscale_internal = rgb15ToUV_half; break;
+        }
+    } else {
+        switch(srcFormat) {
+        case PIX_FMT_RGB48BE:
+        case PIX_FMT_RGB48LE: c->hcscale_internal = rgb48ToUV; break;
+        case PIX_FMT_RGB32  :
+        case PIX_FMT_RGB32_1: c->hcscale_internal = bgr32ToUV; break;
+        case PIX_FMT_BGR24  : c->hcscale_internal = RENAME(bgr24ToUV); break;
+        case PIX_FMT_BGR565 : c->hcscale_internal = bgr16ToUV; break;
+        case PIX_FMT_BGR555 : c->hcscale_internal = bgr15ToUV; break;
+        case PIX_FMT_BGR32  :
+        case PIX_FMT_BGR32_1: c->hcscale_internal = rgb32ToUV; break;
+        case PIX_FMT_RGB24  : c->hcscale_internal = RENAME(rgb24ToUV); break;
+        case PIX_FMT_RGB565 : c->hcscale_internal = rgb16ToUV; break;
+        case PIX_FMT_RGB555 : c->hcscale_internal = rgb15ToUV; break;
+        }
+    }
+
+    c->hyscale_internal = NULL;
+    c->hascale_internal = NULL;
+    switch (srcFormat) {
+    case PIX_FMT_YUYV422  :
+    case PIX_FMT_YUV420PBE:
+    case PIX_FMT_YUV422PBE:
+    case PIX_FMT_YUV444PBE:
+    case PIX_FMT_GRAY16BE : c->hyscale_internal = RENAME(yuy2ToY); break;
+    case PIX_FMT_UYVY422  :
+    case PIX_FMT_YUV420PLE:
+    case PIX_FMT_YUV422PLE:
+    case PIX_FMT_YUV444PLE:
+    case PIX_FMT_GRAY16LE : c->hyscale_internal = RENAME(uyvyToY); break;
+    case PIX_FMT_BGR24    : c->hyscale_internal = RENAME(bgr24ToY); break;
+    case PIX_FMT_BGR565   : c->hyscale_internal = bgr16ToY; break;
+    case PIX_FMT_BGR555   : c->hyscale_internal = bgr15ToY; break;
+    case PIX_FMT_RGB24    : c->hyscale_internal = RENAME(rgb24ToY); break;
+    case PIX_FMT_RGB565   : c->hyscale_internal = rgb16ToY; break;
+    case PIX_FMT_RGB555   : c->hyscale_internal = rgb15ToY; break;
+    case PIX_FMT_RGB8     :
+    case PIX_FMT_BGR8     :
+    case PIX_FMT_PAL8     :
+    case PIX_FMT_BGR4_BYTE:
+    case PIX_FMT_RGB4_BYTE: c->hyscale_internal = palToY; break;
+    case PIX_FMT_MONOBLACK: c->hyscale_internal = monoblack2Y; break;
+    case PIX_FMT_MONOWHITE: c->hyscale_internal = monowhite2Y; break;
+    case PIX_FMT_RGB32  :
+    case PIX_FMT_RGB32_1: c->hyscale_internal = bgr32ToY; break;
+    case PIX_FMT_BGR32  :
+    case PIX_FMT_BGR32_1: c->hyscale_internal = rgb32ToY; break;
+    case PIX_FMT_RGB48BE:
+    case PIX_FMT_RGB48LE: c->hyscale_internal = rgb48ToY; break;
+    }
+    if (c->alpPixBuf) {
+        switch (srcFormat) {
+        case PIX_FMT_RGB32  :
+        case PIX_FMT_RGB32_1:
+        case PIX_FMT_BGR32  :
+        case PIX_FMT_BGR32_1: c->hascale_internal = abgrToA; break;
+        }
+    }
 }