Merge remote-tracking branch 'qatar/master'
[ffmpeg.git] / libswscale / x86 / swscale_template.c
index e2a530a..bfbb192 100644 (file)
@@ -18,8 +18,6 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#include "swscale_template.h"
-
 #undef REAL_MOVNTQ
 #undef MOVNTQ
 #undef PREFETCH
@@ -39,8 +37,8 @@
 
 #define YSCALEYUV2YV12X(offset, dest, end, pos) \
     __asm__ volatile(\
-        "movq             "VROUNDER_OFFSET"(%0), %%mm3      \n\t"\
-        "movq                             %%mm3, %%mm4      \n\t"\
+        "movq                  "DITHER16"+0(%0), %%mm3      \n\t"\
+        "movq                  "DITHER16"+8(%0), %%mm4      \n\t"\
         "lea                     " offset "(%0), %%"REG_d"  \n\t"\
         "mov                        (%%"REG_d"), %%"REG_S"  \n\t"\
         ".p2align                             4             \n\t" /* FIXME Unroll? */\
@@ -62,8 +60,8 @@
         MOVNTQ(%%mm3, (%1, %3))\
         "add                                 $8, %3         \n\t"\
         "cmp                                 %2, %3         \n\t"\
-        "movq             "VROUNDER_OFFSET"(%0), %%mm3      \n\t"\
-        "movq                             %%mm3, %%mm4      \n\t"\
+        "movq                  "DITHER16"+0(%0), %%mm3      \n\t"\
+        "movq                  "DITHER16"+8(%0), %%mm4      \n\t"\
         "lea                     " offset "(%0), %%"REG_d"  \n\t"\
         "mov                        (%%"REG_d"), %%"REG_S"  \n\t"\
         "jb                                  1b             \n\t"\
         : "%"REG_d, "%"REG_S\
     );
 
-static inline void RENAME(yuv2yuvX)(SwsContext *c, const int16_t *lumFilter,
-                                    const int16_t **lumSrc, int lumFilterSize,
-                                    const int16_t *chrFilter, const int16_t **chrUSrc,
-                                    const int16_t **chrVSrc,
-                                    int chrFilterSize, const int16_t **alpSrc,
-                                    uint8_t *dest, uint8_t *uDest, uint8_t *vDest,
-                                    uint8_t *aDest, int dstW, int chrDstW)
+#if !COMPILE_TEMPLATE_MMX2
+static av_always_inline void
+dither_8to16(SwsContext *c, const uint8_t *srcDither, int rot)
 {
+    if (rot) {
+        __asm__ volatile("pxor      %%mm0, %%mm0\n\t"
+                         "movq       (%0), %%mm3\n\t"
+                         "movq      %%mm3, %%mm4\n\t"
+                         "psrlq       $24, %%mm3\n\t"
+                         "psllq       $40, %%mm4\n\t"
+                         "por       %%mm4, %%mm3\n\t"
+                         "movq      %%mm3, %%mm4\n\t"
+                         "punpcklbw %%mm0, %%mm3\n\t"
+                         "punpckhbw %%mm0, %%mm4\n\t"
+                         "psraw        $4, %%mm3\n\t"
+                         "psraw        $4, %%mm4\n\t"
+                         "movq      %%mm3, "DITHER16"+0(%1)\n\t"
+                         "movq      %%mm4, "DITHER16"+8(%1)\n\t"
+                         :: "r"(srcDither), "r"(&c->redDither)
+                         );
+    } else {
+        __asm__ volatile("pxor      %%mm0, %%mm0\n\t"
+                         "movq       (%0), %%mm3\n\t"
+                         "movq      %%mm3, %%mm4\n\t"
+                         "punpcklbw %%mm0, %%mm3\n\t"
+                         "punpckhbw %%mm0, %%mm4\n\t"
+                         "psraw        $4, %%mm3\n\t"
+                         "psraw        $4, %%mm4\n\t"
+                         "movq      %%mm3, "DITHER16"+0(%1)\n\t"
+                         "movq      %%mm4, "DITHER16"+8(%1)\n\t"
+                         :: "r"(srcDither), "r"(&c->redDither)
+                         );
+    }
+}
+#endif
+
+static void RENAME(yuv2yuvX)(SwsContext *c, const int16_t *lumFilter,
+                             const int16_t **lumSrc, int lumFilterSize,
+                             const int16_t *chrFilter, const int16_t **chrUSrc,
+                             const int16_t **chrVSrc,
+                             int chrFilterSize, const int16_t **alpSrc,
+                             uint8_t *dest[4], int dstW, int chrDstW)
+{
+    uint8_t *yDest = dest[0], *uDest = dest[1], *vDest = dest[2],
+            *aDest = CONFIG_SWSCALE_ALPHA ? dest[3] : NULL;
+    const uint8_t *lumDither = c->lumDither8, *chrDither = c->chrDither8;
+
     if (uDest) {
-        x86_reg uv_off = c->uv_off;
+        x86_reg uv_off = c->uv_offx2 >> 1;
+        dither_8to16(c, chrDither, 0);
         YSCALEYUV2YV12X(CHR_MMX_FILTER_OFFSET, uDest, chrDstW, 0)
+        dither_8to16(c, chrDither, 1);
         YSCALEYUV2YV12X(CHR_MMX_FILTER_OFFSET, vDest - uv_off, chrDstW + uv_off, uv_off)
     }
+    dither_8to16(c, lumDither, 0);
     if (CONFIG_SWSCALE_ALPHA && aDest) {
         YSCALEYUV2YV12X(ALP_MMX_FILTER_OFFSET, aDest, dstW, 0)
     }
 
-    YSCALEYUV2YV12X(LUM_MMX_FILTER_OFFSET, dest, dstW, 0)
+    YSCALEYUV2YV12X(LUM_MMX_FILTER_OFFSET, yDest, dstW, 0)
 }
 
 #define YSCALEYUV2YV12X_ACCURATE(offset, dest, end, pos) \
     __asm__ volatile(\
         "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"\
+        "movq                  "DITHER32"+0(%0), %%mm4      \n\t"\
+        "movq                  "DITHER32"+8(%0), %%mm5      \n\t"\
+        "movq                 "DITHER32"+16(%0), %%mm6      \n\t"\
+        "movq                 "DITHER32"+24(%0), %%mm7      \n\t"\
         "mov                        (%%"REG_d"), %%"REG_S"  \n\t"\
         ".p2align                             4             \n\t"\
         "1:                                                 \n\t"\
@@ -126,26 +166,21 @@ static inline void RENAME(yuv2yuvX)(SwsContext *c, const int16_t *lumFilter,
         "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"\
+        "psrad                              $19, %%mm4      \n\t"\
+        "psrad                              $19, %%mm5      \n\t"\
+        "psrad                              $19, %%mm6      \n\t"\
+        "psrad                              $19, %%mm7      \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, %3))\
         "add                                 $8, %3         \n\t"\
         "cmp                                 %2, %3         \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"\
+        "movq                  "DITHER32"+0(%0), %%mm4      \n\t"\
+        "movq                  "DITHER32"+8(%0), %%mm5      \n\t"\
+        "movq                 "DITHER32"+16(%0), %%mm6      \n\t"\
+        "movq                 "DITHER32"+24(%0), %%mm7      \n\t"\
         "mov                        (%%"REG_d"), %%"REG_S"  \n\t"\
         "jb                                  1b             \n\t"\
         :: "r" (&c->redDither),\
@@ -153,97 +188,157 @@ static inline void RENAME(yuv2yuvX)(SwsContext *c, const int16_t *lumFilter,
         : "%"REG_a, "%"REG_d, "%"REG_S\
     );
 
-static inline void RENAME(yuv2yuvX_ar)(SwsContext *c, const int16_t *lumFilter,
-                                       const int16_t **lumSrc, int lumFilterSize,
-                                       const int16_t *chrFilter, const int16_t **chrUSrc,
-                                       const int16_t **chrVSrc,
-                                       int chrFilterSize, const int16_t **alpSrc,
-                                       uint8_t *dest, uint8_t *uDest, uint8_t *vDest,
-                                       uint8_t *aDest, int dstW, int chrDstW)
+#if !COMPILE_TEMPLATE_MMX2
+static av_always_inline void
+dither_8to32(SwsContext *c, const uint8_t *srcDither, int rot)
+{
+    if (rot) {
+        __asm__ volatile("pxor      %%mm0, %%mm0\n\t"
+                         "movq       (%0), %%mm4\n\t"
+                         "movq      %%mm4, %%mm5\n\t"
+                         "psrlq       $24, %%mm4\n\t"
+                         "psllq       $40, %%mm5\n\t"
+                         "por       %%mm5, %%mm4\n\t"
+                         "movq      %%mm4, %%mm6\n\t"
+                         "punpcklbw %%mm0, %%mm4\n\t"
+                         "punpckhbw %%mm0, %%mm6\n\t"
+                         "movq      %%mm4, %%mm5\n\t"
+                         "movq      %%mm6, %%mm7\n\t"
+                         "punpcklwd %%mm0, %%mm4\n\t"
+                         "punpckhwd %%mm0, %%mm5\n\t"
+                         "punpcklwd %%mm0, %%mm6\n\t"
+                         "punpckhwd %%mm0, %%mm7\n\t"
+                         "pslld       $12, %%mm4\n\t"
+                         "pslld       $12, %%mm5\n\t"
+                         "pslld       $12, %%mm6\n\t"
+                         "pslld       $12, %%mm7\n\t"
+                         "movq      %%mm4, "DITHER32"+0(%1)\n\t"
+                         "movq      %%mm5, "DITHER32"+8(%1)\n\t"
+                         "movq      %%mm6, "DITHER32"+16(%1)\n\t"
+                         "movq      %%mm7, "DITHER32"+24(%1)\n\t"
+                         :: "r"(srcDither), "r"(&c->redDither)
+                         );
+    } else {
+        __asm__ volatile("pxor      %%mm0, %%mm0\n\t"
+                         "movq       (%0), %%mm4\n\t"
+                         "movq      %%mm4, %%mm6\n\t"
+                         "punpcklbw %%mm0, %%mm4\n\t"
+                         "punpckhbw %%mm0, %%mm6\n\t"
+                         "movq      %%mm4, %%mm5\n\t"
+                         "movq      %%mm6, %%mm7\n\t"
+                         "punpcklwd %%mm0, %%mm4\n\t"
+                         "punpckhwd %%mm0, %%mm5\n\t"
+                         "punpcklwd %%mm0, %%mm6\n\t"
+                         "punpckhwd %%mm0, %%mm7\n\t"
+                         "pslld       $12, %%mm4\n\t"
+                         "pslld       $12, %%mm5\n\t"
+                         "pslld       $12, %%mm6\n\t"
+                         "pslld       $12, %%mm7\n\t"
+                         "movq      %%mm4, "DITHER32"+0(%1)\n\t"
+                         "movq      %%mm5, "DITHER32"+8(%1)\n\t"
+                         "movq      %%mm6, "DITHER32"+16(%1)\n\t"
+                         "movq      %%mm7, "DITHER32"+24(%1)\n\t"
+                         :: "r"(srcDither), "r"(&c->redDither)
+                         );
+    }
+}
+#endif
+
+static void RENAME(yuv2yuvX_ar)(SwsContext *c, const int16_t *lumFilter,
+                                const int16_t **lumSrc, int lumFilterSize,
+                                const int16_t *chrFilter, const int16_t **chrUSrc,
+                                const int16_t **chrVSrc,
+                                int chrFilterSize, const int16_t **alpSrc,
+                                uint8_t *dest[4], int dstW, int chrDstW)
 {
+    uint8_t *yDest = dest[0], *uDest = dest[1], *vDest = dest[2],
+            *aDest = CONFIG_SWSCALE_ALPHA ? dest[3] : NULL;
+    const uint8_t *lumDither = c->lumDither8, *chrDither = c->chrDither8;
+
     if (uDest) {
-        x86_reg uv_off = c->uv_off;
+        x86_reg uv_off = c->uv_offx2 >> 1;
+        dither_8to32(c, chrDither, 0);
         YSCALEYUV2YV12X_ACCURATE(CHR_MMX_FILTER_OFFSET, uDest, chrDstW, 0)
+        dither_8to32(c, chrDither, 1);
         YSCALEYUV2YV12X_ACCURATE(CHR_MMX_FILTER_OFFSET, vDest - uv_off, chrDstW + uv_off, uv_off)
     }
+    dither_8to32(c, lumDither, 0);
     if (CONFIG_SWSCALE_ALPHA && aDest) {
         YSCALEYUV2YV12X_ACCURATE(ALP_MMX_FILTER_OFFSET, aDest, dstW, 0)
     }
 
-    YSCALEYUV2YV12X_ACCURATE(LUM_MMX_FILTER_OFFSET, dest, dstW, 0)
+    YSCALEYUV2YV12X_ACCURATE(LUM_MMX_FILTER_OFFSET, yDest, dstW, 0)
 }
 
-#define YSCALEYUV2YV121 \
-    "mov %2, %%"REG_a"                    \n\t"\
-    ".p2align               4             \n\t" /* 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"
-
-static inline void RENAME(yuv2yuv1)(SwsContext *c, const int16_t *lumSrc,
-                                    const int16_t *chrUSrc, const int16_t *chrVSrc,
-                                    const int16_t *alpSrc,
-                                    uint8_t *dest, uint8_t *uDest, uint8_t *vDest,
-                                    uint8_t *aDest, int dstW, int chrDstW)
+static void RENAME(yuv2yuv1)(SwsContext *c, const int16_t *lumSrc,
+                             const int16_t *chrUSrc, const int16_t *chrVSrc,
+                             const int16_t *alpSrc,
+                             uint8_t *dst[4], int dstW, int chrDstW)
 {
     int p= 4;
-    const int16_t *src[4]= { alpSrc + dstW, lumSrc + dstW, chrUSrc + chrDstW, chrVSrc + chrDstW };
-    uint8_t *dst[4]= { aDest, dest, uDest, vDest };
-    x86_reg counter[4]= { dstW, dstW, chrDstW, chrDstW };
+    const int16_t *src[4]= {
+        lumSrc + dstW,     chrUSrc + chrDstW,
+        chrVSrc + chrDstW, alpSrc + dstW
+    };
+    x86_reg counter[4]= { dstW, chrDstW, chrDstW, dstW };
 
     while (p--) {
         if (dst[p]) {
             __asm__ volatile(
-               YSCALEYUV2YV121
-               :: "r" (src[p]), "r" (dst[p] + counter[p]),
-                  "g" (-counter[p])
-               : "%"REG_a
+                "mov %2, %%"REG_a"                    \n\t"
+                ".p2align               4             \n\t" /* 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"
+                :: "r" (src[p]), "r" (dst[p] + counter[p]),
+                   "g" (-counter[p])
+                : "%"REG_a
             );
         }
     }
 }
 
-#define YSCALEYUV2YV121_ACCURATE \
-    "mov %2, %%"REG_a"                    \n\t"\
-    "pcmpeqw %%mm7, %%mm7                 \n\t"\
-    "psrlw                 $15, %%mm7     \n\t"\
-    "psllw                  $6, %%mm7     \n\t"\
-    ".p2align                4            \n\t" /* 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"
-
-static inline void RENAME(yuv2yuv1_ar)(SwsContext *c, const int16_t *lumSrc,
-                                       const int16_t *chrUSrc, const int16_t *chrVSrc,
-                                       const int16_t *alpSrc,
-                                       uint8_t *dest, uint8_t *uDest, uint8_t *vDest,
-                                       uint8_t *aDest, int dstW, int chrDstW)
+static void RENAME(yuv2yuv1_ar)(SwsContext *c, const int16_t *lumSrc,
+                                const int16_t *chrUSrc, const int16_t *chrVSrc,
+                                const int16_t *alpSrc,
+                                uint8_t *dst[4], int dstW, int chrDstW)
 {
     int p= 4;
-    const int16_t *src[4]= { alpSrc + dstW, lumSrc + dstW, chrUSrc + chrDstW, chrVSrc + chrDstW };
-    uint8_t *dst[4]= { aDest, dest, uDest, vDest };
-    x86_reg counter[4]= { dstW, dstW, chrDstW, chrDstW };
+    const int16_t *src[4]= {
+        lumSrc + dstW,     chrUSrc + chrDstW,
+        chrVSrc + chrDstW, alpSrc + dstW
+    };
+    x86_reg counter[4]= { dstW, chrDstW, chrDstW, dstW };
+    const uint8_t *lumDither = c->lumDither8, *chrDither = c->chrDither8;
 
     while (p--) {
         if (dst[p]) {
+            int i;
+            for(i=0; i<8; i++) c->dither16[i] = (p == 2 || p == 3) ? lumDither[i] : chrDither[i];
             __asm__ volatile(
-                YSCALEYUV2YV121_ACCURATE
+                "mov %2, %%"REG_a"                    \n\t"
+                "movq    "DITHER16"+0(%3), %%mm6      \n\t"
+                "movq    "DITHER16"+8(%3), %%mm7      \n\t"
+                ".p2align                4            \n\t" /* FIXME Unroll? */
+                "1:                                   \n\t"
+                "movq  (%0, %%"REG_a", 2), %%mm0      \n\t"
+                "movq 8(%0, %%"REG_a", 2), %%mm1      \n\t"
+                "paddsw             %%mm6, %%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"
                 :: "r" (src[p]), "r" (dst[p] + counter[p]),
-                   "g" (-counter[p])
+                   "g" (-counter[p]), "r"(&c->redDither)
                 : "%"REG_a
             );
         }
@@ -466,16 +561,16 @@ static inline void RENAME(yuv2yuv1_ar)(SwsContext *c, const int16_t *lumSrc,
     " 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)
 
-static inline void RENAME(yuv2rgb32_X_ar)(SwsContext *c, const int16_t *lumFilter,
-                                          const int16_t **lumSrc, int lumFilterSize,
-                                          const int16_t *chrFilter, const int16_t **chrUSrc,
-                                          const int16_t **chrVSrc,
-                                          int chrFilterSize, const int16_t **alpSrc,
-                                          uint8_t *dest, int dstW, int dstY)
+static void RENAME(yuv2rgb32_X_ar)(SwsContext *c, const int16_t *lumFilter,
+                                   const int16_t **lumSrc, int lumFilterSize,
+                                   const int16_t *chrFilter, const int16_t **chrUSrc,
+                                   const int16_t **chrVSrc,
+                                   int chrFilterSize, const int16_t **alpSrc,
+                                   uint8_t *dest, int dstW, int dstY)
 {
     x86_reg dummy=0;
     x86_reg dstW_reg = dstW;
-    x86_reg uv_off = c->uv_off << 1;
+    x86_reg uv_off = c->uv_offx2;
 
     if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) {
         YSCALEYUV2PACKEDX_ACCURATE
@@ -499,16 +594,16 @@ static inline void RENAME(yuv2rgb32_X_ar)(SwsContext *c, const int16_t *lumFilte
     }
 }
 
-static inline void RENAME(yuv2rgb32_X)(SwsContext *c, const int16_t *lumFilter,
-                                       const int16_t **lumSrc, int lumFilterSize,
-                                       const int16_t *chrFilter, const int16_t **chrUSrc,
-                                       const int16_t **chrVSrc,
-                                       int chrFilterSize, const int16_t **alpSrc,
-                                       uint8_t *dest, int dstW, int dstY)
+static void RENAME(yuv2rgb32_X)(SwsContext *c, const int16_t *lumFilter,
+                                const int16_t **lumSrc, int lumFilterSize,
+                                const int16_t *chrFilter, const int16_t **chrUSrc,
+                                const int16_t **chrVSrc,
+                                int chrFilterSize, const int16_t **alpSrc,
+                                uint8_t *dest, int dstW, int dstY)
 {
     x86_reg dummy=0;
     x86_reg dstW_reg = dstW;
-    x86_reg uv_off = c->uv_off << 1;
+    x86_reg uv_off = c->uv_offx2;
 
     if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) {
         YSCALEYUV2PACKEDX
@@ -556,16 +651,16 @@ static inline void RENAME(yuv2rgb32_X)(SwsContext *c, const int16_t *lumFilter,
     " jb             1b             \n\t"
 #define WRITERGB16(dst, dstw, index)  REAL_WRITERGB16(dst, dstw, index)
 
-static inline void RENAME(yuv2rgb565_X_ar)(SwsContext *c, const int16_t *lumFilter,
-                                           const int16_t **lumSrc, int lumFilterSize,
-                                           const int16_t *chrFilter, const int16_t **chrUSrc,
-                                           const int16_t **chrVSrc,
-                                           int chrFilterSize, const int16_t **alpSrc,
-                                           uint8_t *dest, int dstW, int dstY)
+static void RENAME(yuv2rgb565_X_ar)(SwsContext *c, const int16_t *lumFilter,
+                                    const int16_t **lumSrc, int lumFilterSize,
+                                    const int16_t *chrFilter, const int16_t **chrUSrc,
+                                    const int16_t **chrVSrc,
+                                    int chrFilterSize, const int16_t **alpSrc,
+                                    uint8_t *dest, int dstW, int dstY)
 {
     x86_reg dummy=0;
     x86_reg dstW_reg = dstW;
-    x86_reg uv_off = c->uv_off << 1;
+    x86_reg uv_off = c->uv_offx2;
 
     YSCALEYUV2PACKEDX_ACCURATE
     YSCALEYUV2RGBX
@@ -580,16 +675,16 @@ static inline void RENAME(yuv2rgb565_X_ar)(SwsContext *c, const int16_t *lumFilt
     YSCALEYUV2PACKEDX_END
 }
 
-static inline void RENAME(yuv2rgb565_X)(SwsContext *c, const int16_t *lumFilter,
-                                        const int16_t **lumSrc, int lumFilterSize,
-                                        const int16_t *chrFilter, const int16_t **chrUSrc,
-                                        const int16_t **chrVSrc,
-                                        int chrFilterSize, const int16_t **alpSrc,
-                                        uint8_t *dest, int dstW, int dstY)
+static void RENAME(yuv2rgb565_X)(SwsContext *c, const int16_t *lumFilter,
+                                 const int16_t **lumSrc, int lumFilterSize,
+                                 const int16_t *chrFilter, const int16_t **chrUSrc,
+                                 const int16_t **chrVSrc,
+                                 int chrFilterSize, const int16_t **alpSrc,
+                                 uint8_t *dest, int dstW, int dstY)
 {
     x86_reg dummy=0;
     x86_reg dstW_reg = dstW;
-    x86_reg uv_off = c->uv_off << 1;
+    x86_reg uv_off = c->uv_offx2;
 
     YSCALEYUV2PACKEDX
     YSCALEYUV2RGBX
@@ -633,16 +728,16 @@ static inline void RENAME(yuv2rgb565_X)(SwsContext *c, const int16_t *lumFilter,
     " jb             1b             \n\t"
 #define WRITERGB15(dst, dstw, index)  REAL_WRITERGB15(dst, dstw, index)
 
-static inline void RENAME(yuv2rgb555_X_ar)(SwsContext *c, const int16_t *lumFilter,
-                                           const int16_t **lumSrc, int lumFilterSize,
-                                           const int16_t *chrFilter, const int16_t **chrUSrc,
-                                           const int16_t **chrVSrc,
-                                           int chrFilterSize, const int16_t **alpSrc,
-                                           uint8_t *dest, int dstW, int dstY)
+static void RENAME(yuv2rgb555_X_ar)(SwsContext *c, const int16_t *lumFilter,
+                                    const int16_t **lumSrc, int lumFilterSize,
+                                    const int16_t *chrFilter, const int16_t **chrUSrc,
+                                    const int16_t **chrVSrc,
+                                    int chrFilterSize, const int16_t **alpSrc,
+                                    uint8_t *dest, int dstW, int dstY)
 {
     x86_reg dummy=0;
     x86_reg dstW_reg = dstW;
-    x86_reg uv_off = c->uv_off << 1;
+    x86_reg uv_off = c->uv_offx2;
 
     YSCALEYUV2PACKEDX_ACCURATE
     YSCALEYUV2RGBX
@@ -657,16 +752,16 @@ static inline void RENAME(yuv2rgb555_X_ar)(SwsContext *c, const int16_t *lumFilt
     YSCALEYUV2PACKEDX_END
 }
 
-static inline void RENAME(yuv2rgb555_X)(SwsContext *c, const int16_t *lumFilter,
-                                        const int16_t **lumSrc, int lumFilterSize,
-                                        const int16_t *chrFilter, const int16_t **chrUSrc,
-                                        const int16_t **chrVSrc,
-                                        int chrFilterSize, const int16_t **alpSrc,
-                                        uint8_t *dest, int dstW, int dstY)
+static void RENAME(yuv2rgb555_X)(SwsContext *c, const int16_t *lumFilter,
+                                 const int16_t **lumSrc, int lumFilterSize,
+                                 const int16_t *chrFilter, const int16_t **chrUSrc,
+                                 const int16_t **chrVSrc,
+                                 int chrFilterSize, const int16_t **alpSrc,
+                                 uint8_t *dest, int dstW, int dstY)
 {
     x86_reg dummy=0;
     x86_reg dstW_reg = dstW;
-    x86_reg uv_off = c->uv_off << 1;
+    x86_reg uv_off = c->uv_offx2;
 
     YSCALEYUV2PACKEDX
     YSCALEYUV2RGBX
@@ -790,16 +885,16 @@ static inline void RENAME(yuv2rgb555_X)(SwsContext *c, const int16_t *lumFilter,
 #define WRITEBGR24(dst, dstw, index)  WRITEBGR24MMX(dst, dstw, index)
 #endif
 
-static inline void RENAME(yuv2bgr24_X_ar)(SwsContext *c, const int16_t *lumFilter,
-                                          const int16_t **lumSrc, int lumFilterSize,
-                                          const int16_t *chrFilter, const int16_t **chrUSrc,
-                                          const int16_t **chrVSrc,
-                                          int chrFilterSize, const int16_t **alpSrc,
-                                          uint8_t *dest, int dstW, int dstY)
+static void RENAME(yuv2bgr24_X_ar)(SwsContext *c, const int16_t *lumFilter,
+                                   const int16_t **lumSrc, int lumFilterSize,
+                                   const int16_t *chrFilter, const int16_t **chrUSrc,
+                                   const int16_t **chrVSrc,
+                                   int chrFilterSize, const int16_t **alpSrc,
+                                   uint8_t *dest, int dstW, int dstY)
 {
     x86_reg dummy=0;
     x86_reg dstW_reg = dstW;
-    x86_reg uv_off = c->uv_off << 1;
+    x86_reg uv_off = c->uv_offx2;
 
     YSCALEYUV2PACKEDX_ACCURATE
     YSCALEYUV2RGBX
@@ -814,16 +909,16 @@ static inline void RENAME(yuv2bgr24_X_ar)(SwsContext *c, const int16_t *lumFilte
     );
 }
 
-static inline void RENAME(yuv2bgr24_X)(SwsContext *c, const int16_t *lumFilter,
-                                       const int16_t **lumSrc, int lumFilterSize,
-                                       const int16_t *chrFilter, const int16_t **chrUSrc,
-                                       const int16_t **chrVSrc,
-                                       int chrFilterSize, const int16_t **alpSrc,
-                                       uint8_t *dest, int dstW, int dstY)
+static void RENAME(yuv2bgr24_X)(SwsContext *c, const int16_t *lumFilter,
+                                const int16_t **lumSrc, int lumFilterSize,
+                                const int16_t *chrFilter, const int16_t **chrUSrc,
+                                const int16_t **chrVSrc,
+                                int chrFilterSize, const int16_t **alpSrc,
+                                uint8_t *dest, int dstW, int dstY)
 {
     x86_reg dummy=0;
     x86_reg dstW_reg = dstW;
-    x86_reg uv_off = c->uv_off << 1;
+    x86_reg uv_off = c->uv_offx2;
 
     YSCALEYUV2PACKEDX
     YSCALEYUV2RGBX
@@ -855,16 +950,16 @@ static inline void RENAME(yuv2bgr24_X)(SwsContext *c, const int16_t *lumFilter,
     " jb          1b            \n\t"
 #define WRITEYUY2(dst, dstw, index)  REAL_WRITEYUY2(dst, dstw, index)
 
-static inline void RENAME(yuv2yuyv422_X_ar)(SwsContext *c, const int16_t *lumFilter,
-                                            const int16_t **lumSrc, int lumFilterSize,
-                                            const int16_t *chrFilter, const int16_t **chrUSrc,
-                                            const int16_t **chrVSrc,
-                                            int chrFilterSize, const int16_t **alpSrc,
-                                            uint8_t *dest, int dstW, int dstY)
+static void RENAME(yuv2yuyv422_X_ar)(SwsContext *c, const int16_t *lumFilter,
+                                     const int16_t **lumSrc, int lumFilterSize,
+                                     const int16_t *chrFilter, const int16_t **chrUSrc,
+                                     const int16_t **chrVSrc,
+                                     int chrFilterSize, const int16_t **alpSrc,
+                                     uint8_t *dest, int dstW, int dstY)
 {
     x86_reg dummy=0;
     x86_reg dstW_reg = dstW;
-    x86_reg uv_off = c->uv_off << 1;
+    x86_reg uv_off = c->uv_offx2;
 
     YSCALEYUV2PACKEDX_ACCURATE
     /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
@@ -876,16 +971,16 @@ static inline void RENAME(yuv2yuyv422_X_ar)(SwsContext *c, const int16_t *lumFil
     YSCALEYUV2PACKEDX_END
 }
 
-static inline void RENAME(yuv2yuyv422_X)(SwsContext *c, const int16_t *lumFilter,
-                                         const int16_t **lumSrc, int lumFilterSize,
-                                         const int16_t *chrFilter, const int16_t **chrUSrc,
-                                         const int16_t **chrVSrc,
-                                         int chrFilterSize, const int16_t **alpSrc,
-                                         uint8_t *dest, int dstW, int dstY)
+static void RENAME(yuv2yuyv422_X)(SwsContext *c, const int16_t *lumFilter,
+                                  const int16_t **lumSrc, int lumFilterSize,
+                                  const int16_t *chrFilter, const int16_t **chrUSrc,
+                                  const int16_t **chrVSrc,
+                                  int chrFilterSize, const int16_t **alpSrc,
+                                  uint8_t *dest, int dstW, int dstY)
 {
     x86_reg dummy=0;
     x86_reg dstW_reg = dstW;
-    x86_reg uv_off = c->uv_off << 1;
+    x86_reg uv_off = c->uv_offx2;
 
     YSCALEYUV2PACKEDX
     /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
@@ -977,14 +1072,16 @@ static inline void RENAME(yuv2yuyv422_X)(SwsContext *c, const int16_t *lumFilter
 /**
  * vertical bilinear scale YV12 to RGB
  */
-static inline void RENAME(yuv2rgb32_2)(SwsContext *c, const uint16_t *buf0,
-                                       const uint16_t *buf1, const uint16_t *ubuf0,
-                                       const uint16_t *ubuf1, const uint16_t *vbuf0,
-                                       const uint16_t *vbuf1, const uint16_t *abuf0,
-                                       const uint16_t *abuf1, uint8_t *dest,
-                                       int dstW, int yalpha, int uvalpha, int y)
+static void RENAME(yuv2rgb32_2)(SwsContext *c, const int16_t *buf[2],
+                                const int16_t *ubuf[2], const int16_t *vbuf[2],
+                                const int16_t *abuf[2], uint8_t *dest,
+                                int dstW, int yalpha, int uvalpha, int y)
 {
+    const int16_t *buf0  = buf[0],  *buf1  = buf[1],
+                  *ubuf0 = ubuf[0], *ubuf1 = ubuf[1];
+
     if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) {
+        const int16_t *abuf0 = abuf[0], *abuf1 = abuf[1];
 #if ARCH_X86_64
         __asm__ volatile(
             YSCALEYUV2RGB(%%r8, %5)
@@ -1039,13 +1136,14 @@ static inline void RENAME(yuv2rgb32_2)(SwsContext *c, const uint16_t *buf0,
     }
 }
 
-static inline void RENAME(yuv2bgr24_2)(SwsContext *c, const uint16_t *buf0,
-                                       const uint16_t *buf1, const uint16_t *ubuf0,
-                                       const uint16_t *ubuf1, const uint16_t *vbuf0,
-                                       const uint16_t *vbuf1, const uint16_t *abuf0,
-                                       const uint16_t *abuf1, uint8_t *dest,
-                                       int dstW, int yalpha, int uvalpha, int y)
+static void RENAME(yuv2bgr24_2)(SwsContext *c, const int16_t *buf[2],
+                                const int16_t *ubuf[2], const int16_t *vbuf[2],
+                                const int16_t *abuf[2], uint8_t *dest,
+                                int dstW, int yalpha, int uvalpha, int y)
 {
+    const int16_t *buf0  = buf[0],  *buf1  = buf[1],
+                  *ubuf0 = ubuf[0], *ubuf1 = ubuf[1];
+
     //Note 8280 == DSTW_OFFSET but the preprocessor can't handle that there :(
     __asm__ volatile(
         "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
@@ -1061,13 +1159,14 @@ static inline void RENAME(yuv2bgr24_2)(SwsContext *c, const uint16_t *buf0,
     );
 }
 
-static inline void RENAME(yuv2rgb555_2)(SwsContext *c, const uint16_t *buf0,
-                                        const uint16_t *buf1, const uint16_t *ubuf0,
-                                        const uint16_t *ubuf1, const uint16_t *vbuf0,
-                                        const uint16_t *vbuf1, const uint16_t *abuf0,
-                                        const uint16_t *abuf1, uint8_t *dest,
-                                        int dstW, int yalpha, int uvalpha, int y)
+static void RENAME(yuv2rgb555_2)(SwsContext *c, const int16_t *buf[2],
+                                 const int16_t *ubuf[2], const int16_t *vbuf[2],
+                                 const int16_t *abuf[2], uint8_t *dest,
+                                 int dstW, int yalpha, int uvalpha, int y)
 {
+    const int16_t *buf0  = buf[0],  *buf1  = buf[1],
+                  *ubuf0 = ubuf[0], *ubuf1 = ubuf[1];
+
     //Note 8280 == DSTW_OFFSET but the preprocessor can't handle that there :(
     __asm__ volatile(
         "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
@@ -1089,13 +1188,14 @@ static inline void RENAME(yuv2rgb555_2)(SwsContext *c, const uint16_t *buf0,
     );
 }
 
-static inline void RENAME(yuv2rgb565_2)(SwsContext *c, const uint16_t *buf0,
-                                        const uint16_t *buf1, const uint16_t *ubuf0,
-                                        const uint16_t *ubuf1, const uint16_t *vbuf0,
-                                        const uint16_t *vbuf1, const uint16_t *abuf0,
-                                        const uint16_t *abuf1, uint8_t *dest,
-                                        int dstW, int yalpha, int uvalpha, int y)
+static void RENAME(yuv2rgb565_2)(SwsContext *c, const int16_t *buf[2],
+                                 const int16_t *ubuf[2], const int16_t *vbuf[2],
+                                 const int16_t *abuf[2], uint8_t *dest,
+                                 int dstW, int yalpha, int uvalpha, int y)
 {
+    const int16_t *buf0  = buf[0],  *buf1  = buf[1],
+                  *ubuf0 = ubuf[0], *ubuf1 = ubuf[1];
+
     //Note 8280 == DSTW_OFFSET but the preprocessor can't handle that there :(
     __asm__ volatile(
         "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
@@ -1157,13 +1257,14 @@ static inline void RENAME(yuv2rgb565_2)(SwsContext *c, const uint16_t *buf0,
 
 #define YSCALEYUV2PACKED(index, c)  REAL_YSCALEYUV2PACKED(index, c)
 
-static inline void RENAME(yuv2yuyv422_2)(SwsContext *c, const uint16_t *buf0,
-                                         const uint16_t *buf1, const uint16_t *ubuf0,
-                                         const uint16_t *ubuf1, const uint16_t *vbuf0,
-                                         const uint16_t *vbuf1, const uint16_t *abuf0,
-                                         const uint16_t *abuf1, uint8_t *dest,
-                                         int dstW, int yalpha, int uvalpha, int y)
+static void RENAME(yuv2yuyv422_2)(SwsContext *c, const int16_t *buf[2],
+                                  const int16_t *ubuf[2], const int16_t *vbuf[2],
+                                  const int16_t *abuf[2], uint8_t *dest,
+                                  int dstW, int yalpha, int uvalpha, int y)
 {
+    const int16_t *buf0  = buf[0],  *buf1  = buf[1],
+                  *ubuf0 = ubuf[0], *ubuf1 = ubuf[1];
+
     //Note 8280 == DSTW_OFFSET but the preprocessor can't handle that there :(
     __asm__ volatile(
         "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
@@ -1296,14 +1397,13 @@ static inline void RENAME(yuv2yuyv422_2)(SwsContext *c, const uint16_t *buf0,
 /**
  * YV12 to RGB without scaling or interpolating
  */
-static inline void RENAME(yuv2rgb32_1)(SwsContext *c, const uint16_t *buf0,
-                                       const uint16_t *ubuf0, const uint16_t *ubuf1,
-                                       const uint16_t *vbuf0, const uint16_t *vbuf1,
-                                       const uint16_t *abuf0, uint8_t *dest,
-                                       int dstW, int uvalpha, enum PixelFormat dstFormat,
-                                       int flags, int y)
+static void RENAME(yuv2rgb32_1)(SwsContext *c, const int16_t *buf0,
+                                const int16_t *ubuf[2], const int16_t *bguf[2],
+                                const int16_t *abuf0, uint8_t *dest,
+                                int dstW, int uvalpha, int y)
 {
-    const uint16_t *buf1= buf0; //FIXME needed for RGB1/BGR1
+    const int16_t *ubuf0 = ubuf[0], *ubuf1 = ubuf[1];
+    const int16_t *buf1= buf0; //FIXME needed for RGB1/BGR1
 
     if (uvalpha < 2048) { // note this is not correct (shifts chrominance by 0.5 pixels) but it is a bit faster
         if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) {
@@ -1364,14 +1464,13 @@ static inline void RENAME(yuv2rgb32_1)(SwsContext *c, const uint16_t *buf0,
     }
 }
 
-static inline void RENAME(yuv2bgr24_1)(SwsContext *c, const uint16_t *buf0,
-                                       const uint16_t *ubuf0, const uint16_t *ubuf1,
-                                       const uint16_t *vbuf0, const uint16_t *vbuf1,
-                                       const uint16_t *abuf0, uint8_t *dest,
-                                       int dstW, int uvalpha, enum PixelFormat dstFormat,
-                                       int flags, int y)
+static void RENAME(yuv2bgr24_1)(SwsContext *c, const int16_t *buf0,
+                                const int16_t *ubuf[2], const int16_t *bguf[2],
+                                const int16_t *abuf0, uint8_t *dest,
+                                int dstW, int uvalpha, int y)
 {
-    const uint16_t *buf1= buf0; //FIXME needed for RGB1/BGR1
+    const int16_t *ubuf0 = ubuf[0], *ubuf1 = ubuf[1];
+    const int16_t *buf1= buf0; //FIXME needed for RGB1/BGR1
 
     if (uvalpha < 2048) { // note this is not correct (shifts chrominance by 0.5 pixels) but it is a bit faster
         __asm__ volatile(
@@ -1402,14 +1501,13 @@ static inline void RENAME(yuv2bgr24_1)(SwsContext *c, const uint16_t *buf0,
     }
 }
 
-static inline void RENAME(yuv2rgb555_1)(SwsContext *c, const uint16_t *buf0,
-                                        const uint16_t *ubuf0, const uint16_t *ubuf1,
-                                        const uint16_t *vbuf0, const uint16_t *vbuf1,
-                                        const uint16_t *abuf0, uint8_t *dest,
-                                        int dstW, int uvalpha, enum PixelFormat dstFormat,
-                                        int flags, int y)
+static void RENAME(yuv2rgb555_1)(SwsContext *c, const int16_t *buf0,
+                                 const int16_t *ubuf[2], const int16_t *bguf[2],
+                                 const int16_t *abuf0, uint8_t *dest,
+                                 int dstW, int uvalpha, int y)
 {
-    const uint16_t *buf1= buf0; //FIXME needed for RGB1/BGR1
+    const int16_t *ubuf0 = ubuf[0], *ubuf1 = ubuf[1];
+    const int16_t *buf1= buf0; //FIXME needed for RGB1/BGR1
 
     if (uvalpha < 2048) { // note this is not correct (shifts chrominance by 0.5 pixels) but it is a bit faster
         __asm__ volatile(
@@ -1452,14 +1550,13 @@ static inline void RENAME(yuv2rgb555_1)(SwsContext *c, const uint16_t *buf0,
     }
 }
 
-static inline void RENAME(yuv2rgb565_1)(SwsContext *c, const uint16_t *buf0,
-                                        const uint16_t *ubuf0, const uint16_t *ubuf1,
-                                        const uint16_t *vbuf0, const uint16_t *vbuf1,
-                                        const uint16_t *abuf0, uint8_t *dest,
-                                        int dstW, int uvalpha, enum PixelFormat dstFormat,
-                                        int flags, int y)
+static void RENAME(yuv2rgb565_1)(SwsContext *c, const int16_t *buf0,
+                                 const int16_t *ubuf[2], const int16_t *bguf[2],
+                                 const int16_t *abuf0, uint8_t *dest,
+                                 int dstW, int uvalpha, int y)
 {
-    const uint16_t *buf1= buf0; //FIXME needed for RGB1/BGR1
+    const int16_t *ubuf0 = ubuf[0], *ubuf1 = ubuf[1];
+    const int16_t *buf1= buf0; //FIXME needed for RGB1/BGR1
 
     if (uvalpha < 2048) { // note this is not correct (shifts chrominance by 0.5 pixels) but it is a bit faster
         __asm__ volatile(
@@ -1539,14 +1636,13 @@ static inline void RENAME(yuv2rgb565_1)(SwsContext *c, const uint16_t *buf0,
     "psraw                $7, %%mm7     \n\t"
 #define YSCALEYUV2PACKED1b(index, c)  REAL_YSCALEYUV2PACKED1b(index, c)
 
-static inline void RENAME(yuv2yuyv422_1)(SwsContext *c, const uint16_t *buf0,
-                                         const uint16_t *ubuf0, const uint16_t *ubuf1,
-                                         const uint16_t *vbuf0, const uint16_t *vbuf1,
-                                         const uint16_t *abuf0, uint8_t *dest,
-                                         int dstW, int uvalpha, enum PixelFormat dstFormat,
-                                         int flags, int y)
+static void RENAME(yuv2yuyv422_1)(SwsContext *c, const int16_t *buf0,
+                                  const int16_t *ubuf[2], const int16_t *bguf[2],
+                                  const int16_t *abuf0, uint8_t *dest,
+                                  int dstW, int uvalpha, int y)
 {
-    const uint16_t *buf1= buf0; //FIXME needed for RGB1/BGR1
+    const int16_t *ubuf0 = ubuf[0], *ubuf1 = ubuf[1];
+    const int16_t *buf1= buf0; //FIXME needed for RGB1/BGR1
 
     if (uvalpha < 2048) { // note this is not correct (shifts chrominance by 0.5 pixels) but it is a bit faster
         __asm__ volatile(
@@ -1578,7 +1674,8 @@ static inline void RENAME(yuv2yuyv422_1)(SwsContext *c, const uint16_t *buf0,
 #if !COMPILE_TEMPLATE_MMX2
 //FIXME yuy2* can read up to 7 samples too much
 
-static inline void RENAME(yuy2ToY)(uint8_t *dst, const uint8_t *src, int width, uint32_t *unused)
+static void RENAME(yuy2ToY)(uint8_t *dst, const uint8_t *src,
+                            int width, uint32_t *unused)
 {
     __asm__ volatile(
         "movq "MANGLE(bm01010101)", %%mm2           \n\t"
@@ -1597,7 +1694,9 @@ static inline void RENAME(yuy2ToY)(uint8_t *dst, const uint8_t *src, int width,
     );
 }
 
-static inline void RENAME(yuy2ToUV)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1, const uint8_t *src2, int width, uint32_t *unused)
+static void RENAME(yuy2ToUV)(uint8_t *dstU, uint8_t *dstV,
+                             const uint8_t *src1, const uint8_t *src2,
+                             int width, uint32_t *unused)
 {
     __asm__ volatile(
         "movq "MANGLE(bm01010101)", %%mm4           \n\t"
@@ -1623,33 +1722,10 @@ static inline void RENAME(yuy2ToUV)(uint8_t *dstU, uint8_t *dstV, const uint8_t
     assert(src1 == src2);
 }
 
-static inline void RENAME(LEToUV)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1, const uint8_t *src2, int width, uint32_t *unused)
-{
-    __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
-    );
-}
-
 /* 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, int width, uint32_t *unused)
+static void RENAME(uyvyToY)(uint8_t *dst, const uint8_t *src,
+                            int width, uint32_t *unused)
 {
     __asm__ volatile(
         "mov                  %0, %%"REG_a"         \n\t"
@@ -1667,7 +1743,9 @@ static inline void RENAME(uyvyToY)(uint8_t *dst, const uint8_t *src, int width,
     );
 }
 
-static inline void RENAME(uyvyToUV)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1, const uint8_t *src2, int width, uint32_t *unused)
+static void RENAME(uyvyToUV)(uint8_t *dstU, uint8_t *dstV,
+                             const uint8_t *src1, const uint8_t *src2,
+                             int width, uint32_t *unused)
 {
     __asm__ volatile(
         "movq "MANGLE(bm01010101)", %%mm4           \n\t"
@@ -1693,33 +1771,8 @@ static inline void RENAME(uyvyToUV)(uint8_t *dstU, uint8_t *dstV, const uint8_t
     assert(src1 == src2);
 }
 
-static inline void RENAME(BEToUV)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1, const uint8_t *src2, int width, uint32_t *unused)
-{
-    __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
-    );
-}
-
-static inline void RENAME(nvXXtoUV)(uint8_t *dst1, uint8_t *dst2,
-                                    const uint8_t *src, int width)
+static av_always_inline void RENAME(nvXXtoUV)(uint8_t *dst1, uint8_t *dst2,
+                                              const uint8_t *src, int width)
 {
     __asm__ volatile(
         "movq "MANGLE(bm01010101)", %%mm4           \n\t"
@@ -1744,22 +1797,23 @@ static inline void RENAME(nvXXtoUV)(uint8_t *dst1, uint8_t *dst2,
     );
 }
 
-static inline void RENAME(nv12ToUV)(uint8_t *dstU, uint8_t *dstV,
-                                    const uint8_t *src1, const uint8_t *src2,
-                                    int width, uint32_t *unused)
+static void RENAME(nv12ToUV)(uint8_t *dstU, uint8_t *dstV,
+                             const uint8_t *src1, const uint8_t *src2,
+                             int width, uint32_t *unused)
 {
     RENAME(nvXXtoUV)(dstU, dstV, src1, width);
 }
 
-static inline void RENAME(nv21ToUV)(uint8_t *dstU, uint8_t *dstV,
-                                    const uint8_t *src1, const uint8_t *src2,
-                                    int width, uint32_t *unused)
+static void RENAME(nv21ToUV)(uint8_t *dstU, uint8_t *dstV,
+                             const uint8_t *src1, const uint8_t *src2,
+                             int width, uint32_t *unused)
 {
     RENAME(nvXXtoUV)(dstV, dstU, src1, width);
 }
 #endif /* !COMPILE_TEMPLATE_MMX2 */
 
-static inline void RENAME(bgr24ToY_mmx)(int16_t *dst, const uint8_t *src, int width, enum PixelFormat srcFormat)
+static av_always_inline void RENAME(bgr24ToY_mmx)(int16_t *dst, const uint8_t *src,
+                                                  int width, enum PixelFormat srcFormat)
 {
 
     if(srcFormat == PIX_FMT_BGR24) {
@@ -1811,7 +1865,21 @@ static inline void RENAME(bgr24ToY_mmx)(int16_t *dst, const uint8_t *src, int wi
     );
 }
 
-static inline void RENAME(bgr24ToUV_mmx)(int16_t *dstU, int16_t *dstV, const uint8_t *src, int width, enum PixelFormat srcFormat)
+static void RENAME(bgr24ToY)(int16_t *dst, const uint8_t *src,
+                             int width, uint32_t *unused)
+{
+    RENAME(bgr24ToY_mmx)(dst, src, width, PIX_FMT_BGR24);
+}
+
+static void RENAME(rgb24ToY)(int16_t *dst, const uint8_t *src,
+                             int width, uint32_t *unused)
+{
+    RENAME(bgr24ToY_mmx)(dst, src, width, PIX_FMT_RGB24);
+}
+
+static av_always_inline void RENAME(bgr24ToUV_mmx)(int16_t *dstU, int16_t *dstV,
+                                                   const uint8_t *src, int width,
+                                                   enum PixelFormat srcFormat)
 {
     __asm__ volatile(
         "movq                    24(%4), %%mm6       \n\t"
@@ -1867,185 +1935,22 @@ static inline void RENAME(bgr24ToUV_mmx)(int16_t *dstU, int16_t *dstV, const uin
     );
 }
 
-static inline void RENAME(bgr24ToY)(int16_t *dst, const uint8_t *src, int width, uint32_t *unused)
-{
-    RENAME(bgr24ToY_mmx)(dst, src, width, PIX_FMT_BGR24);
-}
-
-static inline void RENAME(bgr24ToUV)(int16_t *dstU, int16_t *dstV, const uint8_t *src1, const uint8_t *src2, int width, uint32_t *unused)
+static void RENAME(bgr24ToUV)(int16_t *dstU, int16_t *dstV,
+                              const uint8_t *src1, const uint8_t *src2,
+                              int width, uint32_t *unused)
 {
     RENAME(bgr24ToUV_mmx)(dstU, dstV, src1, width, PIX_FMT_BGR24);
     assert(src1 == src2);
 }
 
-static inline void RENAME(rgb24ToY)(int16_t *dst, const uint8_t *src, int width, uint32_t *unused)
-{
-    RENAME(bgr24ToY_mmx)(dst, src, width, PIX_FMT_RGB24);
-}
-
-static inline void RENAME(rgb24ToUV)(int16_t *dstU, int16_t *dstV, const uint8_t *src1, const uint8_t *src2, int width, uint32_t *unused)
+static void RENAME(rgb24ToUV)(int16_t *dstU, int16_t *dstV,
+                              const uint8_t *src1, const uint8_t *src2,
+                              int width, uint32_t *unused)
 {
     assert(src1==src2);
     RENAME(bgr24ToUV_mmx)(dstU, dstV, src1, width, PIX_FMT_RGB24);
 }
 
-#if !COMPILE_TEMPLATE_MMX2
-// 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, int filterSize)
-{
-    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"
-            "push           %%"REG_BP"              \n\t" // we use 7 regs here ...
-            "mov             %%"REG_a", %%"REG_BP"  \n\t"
-            ".p2align                4              \n\t"
-            "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"
-#endif
-            : "+a" (counter)
-            : "c" (filter), "d" (filterPos), "S" (src), "D" (dst)
-#if !defined(PIC)
-            : "%"REG_b
-#endif
-        );
-    } 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"
-            "push            %%"REG_BP"             \n\t" // we use 7 regs here ...
-            "mov              %%"REG_a", %%"REG_BP" \n\t"
-            ".p2align                 4             \n\t"
-            "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"
-#endif
-            : "+a" (counter)
-            : "c" (filter), "d" (filterPos), "S" (src), "D" (dst)
-#if !defined(PIC)
-            : "%"REG_b
-#endif
-        );
-    } else {
-        const 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"
-            ".p2align                  4            \n\t"
-            "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
-        );
-    }
-}
-#endif /* !COMPILE_TEMPLATE_MMX2 */
-
 static inline void RENAME(hScale16)(int16_t *dst, int dstW, const uint16_t *src, int srcW, int xInc,
                                     const int16_t *filter, const int16_t *filterPos, long filterSize, int shift)
 {
@@ -2202,13 +2107,12 @@ static inline void RENAME(hScale16)(int16_t *dst, int dstW, const uint16_t *src,
     }
 }
 
-
 #if COMPILE_TEMPLATE_MMX2
-static inline void RENAME(hyscale_fast)(SwsContext *c, int16_t *dst,
-                                        int dstWidth, const uint8_t *src, int srcW,
-                                        int xInc)
+static void RENAME(hyscale_fast)(SwsContext *c, int16_t *dst,
+                                 int dstWidth, const uint8_t *src,
+                                 int srcW, int xInc)
 {
-    int32_t *filterPos = c->hLumFilterPos;
+    int16_t *filterPos = c->hLumFilterPos;
     int16_t *filter    = c->hLumFilter;
     void    *mmx2FilterCode= c->lumMmx2FilterCode;
     int i;
@@ -2276,11 +2180,11 @@ static inline void RENAME(hyscale_fast)(SwsContext *c, int16_t *dst,
         dst[i] = src[srcW-1]*128;
 }
 
-static inline void RENAME(hcscale_fast)(SwsContext *c, int16_t *dst1, int16_t *dst2,
-                                        int dstWidth, const uint8_t *src1,
-                                        const uint8_t *src2, int srcW, int xInc)
+static void RENAME(hcscale_fast)(SwsContext *c, int16_t *dst1, int16_t *dst2,
+                                 int dstWidth, const uint8_t *src1,
+                                 const uint8_t *src2, int srcW, int xInc)
 {
-    int32_t *filterPos = c->hChrFilterPos;
+    int16_t *filterPos = c->hChrFilterPos;
     int16_t *filter    = c->hChrFilter;
     void    *mmx2FilterCode= c->chrMmx2FilterCode;
     int i;
@@ -2339,144 +2243,70 @@ static inline void RENAME(hcscale_fast)(SwsContext *c, int16_t *dst1, int16_t *d
 }
 #endif /* COMPILE_TEMPLATE_MMX2 */
 
-#if !COMPILE_TEMPLATE_MMX2
-static void updateMMXDitherTables(SwsContext *c, int dstY, int lumBufIndex, int chrBufIndex,
-                                  int lastInLumBuf, int lastInChrBuf)
+static av_cold void RENAME(sws_init_swScale)(SwsContext *c)
 {
-    const int dstH= c->dstH;
-    const int flags= c->flags;
-    int16_t **lumPixBuf= c->lumPixBuf;
-    int16_t **chrUPixBuf= c->chrUPixBuf;
-    int16_t **alpPixBuf= c->alpPixBuf;
-    const int vLumBufSize= c->vLumBufSize;
-    const int vChrBufSize= c->vChrBufSize;
-    int16_t *vLumFilterPos= c->vLumFilterPos;
-    int16_t *vChrFilterPos= c->vChrFilterPos;
-    int16_t *vLumFilter= c->vLumFilter;
-    int16_t *vChrFilter= c->vChrFilter;
-    int32_t *lumMmxFilter= c->lumMmxFilter;
-    int32_t *chrMmxFilter= c->chrMmxFilter;
-    int32_t av_unused *alpMmxFilter= c->alpMmxFilter;
-    const int vLumFilterSize= c->vLumFilterSize;
-    const int vChrFilterSize= c->vChrFilterSize;
-    const int chrDstY= dstY>>c->chrDstVSubSample;
-    const int firstLumSrcY= vLumFilterPos[dstY]; //First line needed as input
-    const int firstChrSrcY= vChrFilterPos[chrDstY]; //First line needed as input
-
-    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];
-    if (dstY < dstH - 2) {
-        const int16_t **lumSrcPtr= (const int16_t **) lumPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize;
-        const int16_t **chrUSrcPtr= (const int16_t **) chrUPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize;
-        const int16_t **alpSrcPtr= (CONFIG_SWSCALE_ALPHA && alpPixBuf) ? (const int16_t **) alpPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize : NULL;
-        int i;
-        if (flags & SWS_ACCURATE_RND) {
-            int s= APCK_SIZE / 8;
-            for (i=0; i<vLumFilterSize; i+=2) {
-                *(const void**)&lumMmxFilter[s*i              ]= lumSrcPtr[i  ];
-                *(const 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) {
-                    *(const void**)&alpMmxFilter[s*i              ]= alpSrcPtr[i  ];
-                    *(const 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  ];
+    enum PixelFormat srcFormat = c->srcFormat,
+                     dstFormat = c->dstFormat;
+
+    if (!is16BPS(dstFormat) && !is9_OR_10BPS(dstFormat) && dstFormat != PIX_FMT_NV12
+        && dstFormat != PIX_FMT_NV21 && !(c->flags & SWS_BITEXACT)) {
+            if (c->flags & SWS_ACCURATE_RND) {
+                c->yuv2yuv1 = RENAME(yuv2yuv1_ar    );
+                c->yuv2yuvX = RENAME(yuv2yuvX_ar    );
+                if (!(c->flags & SWS_FULL_CHR_H_INT)) {
+                    switch (c->dstFormat) {
+                    case PIX_FMT_RGB32:   c->yuv2packedX = RENAME(yuv2rgb32_X_ar);   break;
+                    case PIX_FMT_BGR24:   c->yuv2packedX = RENAME(yuv2bgr24_X_ar);   break;
+                    case PIX_FMT_RGB555:  c->yuv2packedX = RENAME(yuv2rgb555_X_ar);  break;
+                    case PIX_FMT_RGB565:  c->yuv2packedX = RENAME(yuv2rgb565_X_ar);  break;
+                    case PIX_FMT_YUYV422: c->yuv2packedX = RENAME(yuv2yuyv422_X_ar); break;
+                    default: break;
+                    }
                 }
-            }
-            for (i=0; i<vChrFilterSize; i+=2) {
-                *(const void**)&chrMmxFilter[s*i              ]= chrUSrcPtr[i  ];
-                *(const void**)&chrMmxFilter[s*i+APCK_PTR2/4  ]= chrUSrcPtr[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++) {
-                *(const void**)&lumMmxFilter[4*i+0]= lumSrcPtr[i];
-                lumMmxFilter[4*i+2]=
-                lumMmxFilter[4*i+3]=
-                    ((uint16_t)vLumFilter[dstY*vLumFilterSize + i])*0x10001;
-                if (CONFIG_SWSCALE_ALPHA && alpPixBuf) {
-                    *(const void**)&alpMmxFilter[4*i+0]= alpSrcPtr[i];
-                    alpMmxFilter[4*i+2]=
-                    alpMmxFilter[4*i+3]= lumMmxFilter[4*i+2];
+            } else {
+                int should_dither= isNBPS(c->srcFormat) || is16BPS(c->srcFormat);
+                c->yuv2yuv1 = should_dither ? RENAME(yuv2yuv1_ar    ) : RENAME(yuv2yuv1    );
+                c->yuv2yuvX = RENAME(yuv2yuvX    );
+                if (!(c->flags & SWS_FULL_CHR_H_INT)) {
+                    switch (c->dstFormat) {
+                    case PIX_FMT_RGB32:   c->yuv2packedX = RENAME(yuv2rgb32_X);   break;
+                    case PIX_FMT_BGR24:   c->yuv2packedX = RENAME(yuv2bgr24_X);   break;
+                    case PIX_FMT_RGB555:  c->yuv2packedX = RENAME(yuv2rgb555_X);  break;
+                    case PIX_FMT_RGB565:  c->yuv2packedX = RENAME(yuv2rgb565_X);  break;
+                    case PIX_FMT_YUYV422: c->yuv2packedX = RENAME(yuv2yuyv422_X); break;
+                    default: break;
+                    }
                 }
             }
-            for (i=0; i<vChrFilterSize; i++) {
-                *(const void**)&chrMmxFilter[4*i+0]= chrUSrcPtr[i];
-                chrMmxFilter[4*i+2]=
-                chrMmxFilter[4*i+3]=
-                    ((uint16_t)vChrFilter[chrDstY*vChrFilterSize + i])*0x10001;
-            }
-        }
-    }
-}
-#endif /* !COMPILE_TEMPLATE_MMX2 */
-
-static void RENAME(sws_init_swScale)(SwsContext *c)
-{
-    enum PixelFormat srcFormat = c->srcFormat;
-
-    if (!(c->flags & SWS_BITEXACT)) {
-        if (c->flags & SWS_ACCURATE_RND) {
-            c->yuv2yuv1     = RENAME(yuv2yuv1_ar    );
-            c->yuv2yuvX     = RENAME(yuv2yuvX_ar    );
+        if (!(c->flags & SWS_FULL_CHR_H_INT)) {
             switch (c->dstFormat) {
-            case PIX_FMT_RGB32:   c->yuv2packedX = RENAME(yuv2rgb32_X_ar);   break;
-            case PIX_FMT_BGR24:   c->yuv2packedX = RENAME(yuv2bgr24_X_ar);   break;
-            case PIX_FMT_RGB555:  c->yuv2packedX = RENAME(yuv2rgb555_X_ar);  break;
-            case PIX_FMT_RGB565:  c->yuv2packedX = RENAME(yuv2rgb565_X_ar);  break;
-            case PIX_FMT_YUYV422: c->yuv2packedX = RENAME(yuv2yuyv422_X_ar); break;
-            default: break;
-            }
-        } else {
-            c->yuv2yuv1     = RENAME(yuv2yuv1    );
-            c->yuv2yuvX     = RENAME(yuv2yuvX    );
-            switch (c->dstFormat) {
-            case PIX_FMT_RGB32:   c->yuv2packedX = RENAME(yuv2rgb32_X);   break;
-            case PIX_FMT_BGR24:   c->yuv2packedX = RENAME(yuv2bgr24_X);   break;
-            case PIX_FMT_RGB555:  c->yuv2packedX = RENAME(yuv2rgb555_X);  break;
-            case PIX_FMT_RGB565:  c->yuv2packedX = RENAME(yuv2rgb565_X);  break;
-            case PIX_FMT_YUYV422: c->yuv2packedX = RENAME(yuv2yuyv422_X); break;
-            default: break;
-            }
-        }
-        switch (c->dstFormat) {
-        case PIX_FMT_RGB32:
+            case PIX_FMT_RGB32:
                 c->yuv2packed1 = RENAME(yuv2rgb32_1);
                 c->yuv2packed2 = RENAME(yuv2rgb32_2);
                 break;
-        case PIX_FMT_BGR24:
+            case PIX_FMT_BGR24:
                 c->yuv2packed1 = RENAME(yuv2bgr24_1);
                 c->yuv2packed2 = RENAME(yuv2bgr24_2);
                 break;
-        case PIX_FMT_RGB555:
+            case PIX_FMT_RGB555:
                 c->yuv2packed1 = RENAME(yuv2rgb555_1);
                 c->yuv2packed2 = RENAME(yuv2rgb555_2);
                 break;
-        case PIX_FMT_RGB565:
+            case PIX_FMT_RGB565:
                 c->yuv2packed1 = RENAME(yuv2rgb565_1);
                 c->yuv2packed2 = RENAME(yuv2rgb565_2);
                 break;
-        case PIX_FMT_YUYV422:
+            case PIX_FMT_YUYV422:
                 c->yuv2packed1 = RENAME(yuv2yuyv422_1);
                 c->yuv2packed2 = RENAME(yuv2yuyv422_2);
                 break;
-        default:
+            default:
                 break;
+            }
         }
     }
 
-#if !COMPILE_TEMPLATE_MMX2
-    c->hScale       = RENAME(hScale      );
-#endif /* !COMPILE_TEMPLATE_MMX2 */
-
+    if (c->srcBpc == 8 && c->dstBpc <= 10) {
     // Use the new MMX scaler if the MMX2 one can't be used (it is faster than the x86 ASM one).
 #if COMPILE_TEMPLATE_MMX2
     if (c->flags & SWS_FAST_BILINEAR && c->canMMX2BeUsed)
@@ -2490,6 +2320,7 @@ static void RENAME(sws_init_swScale)(SwsContext *c)
 #if COMPILE_TEMPLATE_MMX2
     }
 #endif /* COMPILE_TEMPLATE_MMX2 */
+    }
 
 #if !COMPILE_TEMPLATE_MMX2
     switch(srcFormat) {
@@ -2497,13 +2328,10 @@ static void RENAME(sws_init_swScale)(SwsContext *c)
         case PIX_FMT_UYVY422  : c->chrToYV12 = RENAME(uyvyToUV); break;
         case PIX_FMT_NV12     : c->chrToYV12 = RENAME(nv12ToUV); break;
         case PIX_FMT_NV21     : c->chrToYV12 = RENAME(nv21ToUV); break;
-        case PIX_FMT_GRAY16LE :
         case PIX_FMT_YUV420P9LE:
         case PIX_FMT_YUV422P10LE:
-        case PIX_FMT_YUV420P10LE:
-        case PIX_FMT_YUV420P16LE:
-        case PIX_FMT_YUV422P16LE:
-        case PIX_FMT_YUV444P16LE: c->hScale16= RENAME(hScale16); break;
+        case PIX_FMT_YUV420P10LE: c->hScale16= RENAME(hScale16); break;
+        default: break;
     }
 #endif /* !COMPILE_TEMPLATE_MMX2 */
     if (!c->chrSrcHSubSample) {
@@ -2517,10 +2345,8 @@ static void RENAME(sws_init_swScale)(SwsContext *c)
     switch (srcFormat) {
 #if !COMPILE_TEMPLATE_MMX2
     case PIX_FMT_YUYV422  :
-    case PIX_FMT_Y400A    :
-                            c->lumToYV12 = RENAME(yuy2ToY); break;
-    case PIX_FMT_UYVY422  :
-                            c->lumToYV12 = RENAME(uyvyToY); break;
+    case PIX_FMT_Y400A    : c->lumToYV12 = RENAME(yuy2ToY); break;
+    case PIX_FMT_UYVY422  : c->lumToYV12 = RENAME(uyvyToY); break;
 #endif /* !COMPILE_TEMPLATE_MMX2 */
     case PIX_FMT_BGR24    : c->lumToYV12 = RENAME(bgr24ToY); break;
     case PIX_FMT_RGB24    : c->lumToYV12 = RENAME(rgb24ToY); break;
@@ -2534,6 +2360,8 @@ static void RENAME(sws_init_swScale)(SwsContext *c)
         }
     }
 #endif /* !COMPILE_TEMPLATE_MMX2 */
-    if(isAnyRGB(c->srcFormat))
+    if(isAnyRGB(c->srcFormat) && av_pix_fmt_descriptors[c->srcFormat].comp[0].depth_minus1<15)
         c->hScale16= RENAME(hScale16);
+    if(c->dstBpc > 10)
+        c->hScale16 = NULL;
 }