libswscale/x86/swscale_template.c

   1 /*
   2  * Copyright (C) 2001-2003 Michael Niedermayer <michaelni@gmx.at>
   3  *
   4  * This file is part of Libav.
   5  *
   6  * Libav is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * Libav is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with Libav; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  19  */
  20
  21 #include "swscale_template.h"
  22
  23 #undef REAL_MOVNTQ
  24 #undef MOVNTQ
  25 #undef PREFETCH
  26
  27 #if COMPILE_TEMPLATE_MMX2
  28 #define PREFETCH "prefetchnta"
  29 #else
  30 #define PREFETCH  " # nop"
  31 #endif
  32
  33 #if COMPILE_TEMPLATE_MMX2
  34 #define REAL_MOVNTQ(a,b) "movntq " #a ", " #b " \n\t"
  35 #else
  36 #define REAL_MOVNTQ(a,b) "movq " #a ", " #b " \n\t"
  37 #endif
  38 #define MOVNTQ(a,b)  REAL_MOVNTQ(a,b)
  39
  40 #define YSCALEYUV2YV12X(x, offset, dest, width) \
  41     __asm__ volatile(\
  42         "xor                          %%"REG_a", %%"REG_a"  \n\t"\
  43         "movq             "VROUNDER_OFFSET"(%0), %%mm3      \n\t"\
  44         "movq                             %%mm3, %%mm4      \n\t"\
  45         "lea                     " offset "(%0), %%"REG_d"  \n\t"\
  46         "mov                        (%%"REG_d"), %%"REG_S"  \n\t"\
  47         ".p2align                             4             \n\t" /* FIXME Unroll? */\
  48         "1:                                                 \n\t"\
  49         "movq                      8(%%"REG_d"), %%mm0      \n\t" /* filterCoeff */\
  50         "movq   "  x "(%%"REG_S", %%"REG_a", 2), %%mm2      \n\t" /* srcData */\
  51         "movq 8+"  x "(%%"REG_S", %%"REG_a", 2), %%mm5      \n\t" /* srcData */\
  52         "add                                $16, %%"REG_d"  \n\t"\
  53         "mov                        (%%"REG_d"), %%"REG_S"  \n\t"\
  54         "test                         %%"REG_S", %%"REG_S"  \n\t"\
  55         "pmulhw                           %%mm0, %%mm2      \n\t"\
  56         "pmulhw                           %%mm0, %%mm5      \n\t"\
  57         "paddw                            %%mm2, %%mm3      \n\t"\
  58         "paddw                            %%mm5, %%mm4      \n\t"\
  59         " jnz                                1b             \n\t"\
  60         "psraw                               $3, %%mm3      \n\t"\
  61         "psraw                               $3, %%mm4      \n\t"\
  62         "packuswb                         %%mm4, %%mm3      \n\t"\
  63         MOVNTQ(%%mm3, (%1, %%REGa))\
  64         "add                                 $8, %%"REG_a"  \n\t"\
  65         "cmp                                 %2, %%"REG_a"  \n\t"\
  66         "movq             "VROUNDER_OFFSET"(%0), %%mm3      \n\t"\
  67         "movq                             %%mm3, %%mm4      \n\t"\
  68         "lea                     " offset "(%0), %%"REG_d"  \n\t"\
  69         "mov                        (%%"REG_d"), %%"REG_S"  \n\t"\
  70         "jb                                  1b             \n\t"\
  71         :: "r" (&c->redDither),\
  72         "r" (dest), "g" ((x86_reg)width)\
  73         : "%"REG_a, "%"REG_d, "%"REG_S\
  74     );
  75
  76 #define YSCALEYUV2YV12X_ACCURATE(x, offset, dest, width) \
  77     __asm__ volatile(\
  78         "lea                     " offset "(%0), %%"REG_d"  \n\t"\
  79         "xor                          %%"REG_a", %%"REG_a"  \n\t"\
  80         "pxor                             %%mm4, %%mm4      \n\t"\
  81         "pxor                             %%mm5, %%mm5      \n\t"\
  82         "pxor                             %%mm6, %%mm6      \n\t"\
  83         "pxor                             %%mm7, %%mm7      \n\t"\
  84         "mov                        (%%"REG_d"), %%"REG_S"  \n\t"\
  85         ".p2align                             4             \n\t"\
  86         "1:                                                 \n\t"\
  87         "movq   "  x "(%%"REG_S", %%"REG_a", 2), %%mm0      \n\t" /* srcData */\
  88         "movq 8+"  x "(%%"REG_S", %%"REG_a", 2), %%mm2      \n\t" /* srcData */\
  89         "mov        "STR(APCK_PTR2)"(%%"REG_d"), %%"REG_S"  \n\t"\
  90         "movq   "  x "(%%"REG_S", %%"REG_a", 2), %%mm1      \n\t" /* srcData */\
  91         "movq                             %%mm0, %%mm3      \n\t"\
  92         "punpcklwd                        %%mm1, %%mm0      \n\t"\
  93         "punpckhwd                        %%mm1, %%mm3      \n\t"\
  94         "movq       "STR(APCK_COEF)"(%%"REG_d"), %%mm1      \n\t" /* filterCoeff */\
  95         "pmaddwd                          %%mm1, %%mm0      \n\t"\
  96         "pmaddwd                          %%mm1, %%mm3      \n\t"\
  97         "paddd                            %%mm0, %%mm4      \n\t"\
  98         "paddd                            %%mm3, %%mm5      \n\t"\
  99         "movq 8+"  x "(%%"REG_S", %%"REG_a", 2), %%mm3      \n\t" /* srcData */\
 100         "mov        "STR(APCK_SIZE)"(%%"REG_d"), %%"REG_S"  \n\t"\
 101         "add                  $"STR(APCK_SIZE)", %%"REG_d"  \n\t"\
 102         "test                         %%"REG_S", %%"REG_S"  \n\t"\
 103         "movq                             %%mm2, %%mm0      \n\t"\
 104         "punpcklwd                        %%mm3, %%mm2      \n\t"\
 105         "punpckhwd                        %%mm3, %%mm0      \n\t"\
 106         "pmaddwd                          %%mm1, %%mm2      \n\t"\
 107         "pmaddwd                          %%mm1, %%mm0      \n\t"\
 108         "paddd                            %%mm2, %%mm6      \n\t"\
 109         "paddd                            %%mm0, %%mm7      \n\t"\
 110         " jnz                                1b             \n\t"\
 111         "psrad                              $16, %%mm4      \n\t"\
 112         "psrad                              $16, %%mm5      \n\t"\
 113         "psrad                              $16, %%mm6      \n\t"\
 114         "psrad                              $16, %%mm7      \n\t"\
 115         "movq             "VROUNDER_OFFSET"(%0), %%mm0      \n\t"\
 116         "packssdw                         %%mm5, %%mm4      \n\t"\
 117         "packssdw                         %%mm7, %%mm6      \n\t"\
 118         "paddw                            %%mm0, %%mm4      \n\t"\
 119         "paddw                            %%mm0, %%mm6      \n\t"\
 120         "psraw                               $3, %%mm4      \n\t"\
 121         "psraw                               $3, %%mm6      \n\t"\
 122         "packuswb                         %%mm6, %%mm4      \n\t"\
 123         MOVNTQ(%%mm4, (%1, %%REGa))\
 124         "add                                 $8, %%"REG_a"  \n\t"\
 125         "cmp                                 %2, %%"REG_a"  \n\t"\
 126         "lea                     " offset "(%0), %%"REG_d"  \n\t"\
 127         "pxor                             %%mm4, %%mm4      \n\t"\
 128         "pxor                             %%mm5, %%mm5      \n\t"\
 129         "pxor                             %%mm6, %%mm6      \n\t"\
 130         "pxor                             %%mm7, %%mm7      \n\t"\
 131         "mov                        (%%"REG_d"), %%"REG_S"  \n\t"\
 132         "jb                                  1b             \n\t"\
 133         :: "r" (&c->redDither),\
 134         "r" (dest), "g" ((x86_reg)width)\
 135         : "%"REG_a, "%"REG_d, "%"REG_S\
 136     );
 137
 138 #define YSCALEYUV2YV121 \
 139     "mov %2, %%"REG_a"                    \n\t"\
 140     ".p2align               4             \n\t" /* FIXME Unroll? */\
 141     "1:                                   \n\t"\
 142     "movq  (%0, %%"REG_a", 2), %%mm0      \n\t"\
 143     "movq 8(%0, %%"REG_a", 2), %%mm1      \n\t"\
 144     "psraw                 $7, %%mm0      \n\t"\
 145     "psraw                 $7, %%mm1      \n\t"\
 146     "packuswb           %%mm1, %%mm0      \n\t"\
 147     MOVNTQ(%%mm0, (%1, %%REGa))\
 148     "add                   $8, %%"REG_a"  \n\t"\
 149     "jnc                   1b             \n\t"
 150
 151 #define YSCALEYUV2YV121_ACCURATE \
 152     "mov %2, %%"REG_a"                    \n\t"\
 153     "pcmpeqw %%mm7, %%mm7                 \n\t"\
 154     "psrlw                 $15, %%mm7     \n\t"\
 155     "psllw                  $6, %%mm7     \n\t"\
 156     ".p2align                4            \n\t" /* FIXME Unroll? */\
 157     "1:                                   \n\t"\
 158     "movq  (%0, %%"REG_a", 2), %%mm0      \n\t"\
 159     "movq 8(%0, %%"REG_a", 2), %%mm1      \n\t"\
 160     "paddsw             %%mm7, %%mm0      \n\t"\
 161     "paddsw             %%mm7, %%mm1      \n\t"\
 162     "psraw                 $7, %%mm0      \n\t"\
 163     "psraw                 $7, %%mm1      \n\t"\
 164     "packuswb           %%mm1, %%mm0      \n\t"\
 165     MOVNTQ(%%mm0, (%1, %%REGa))\
 166     "add                   $8, %%"REG_a"  \n\t"\
 167     "jnc                   1b             \n\t"
 168
 169 /*
 170     :: "m" (-lumFilterSize), "m" (-chrFilterSize),
 171        "m" (lumMmxFilter+lumFilterSize*4), "m" (chrMmxFilter+chrFilterSize*4),
 172        "r" (dest), "m" (dstW_reg),
 173        "m" (lumSrc+lumFilterSize), "m" (chrSrc+chrFilterSize)
 174     : "%eax", "%ebx", "%ecx", "%edx", "%esi"
 175 */
 176 #define YSCALEYUV2PACKEDX_UV \
 177     __asm__ volatile(\
 178         "xor                   %%"REG_a", %%"REG_a"     \n\t"\
 179         ".p2align                      4                \n\t"\
 180         "nop                                            \n\t"\
 181         "1:                                             \n\t"\
 182         "lea "CHR_MMX_FILTER_OFFSET"(%0), %%"REG_d"     \n\t"\
 183         "mov                 (%%"REG_d"), %%"REG_S"     \n\t"\
 184         "movq      "VROUNDER_OFFSET"(%0), %%mm3         \n\t"\
 185         "movq                      %%mm3, %%mm4         \n\t"\
 186         ".p2align                      4                \n\t"\
 187         "2:                                             \n\t"\
 188         "movq               8(%%"REG_d"), %%mm0         \n\t" /* filterCoeff */\
 189         "movq     (%%"REG_S", %%"REG_a"), %%mm2         \n\t" /* UsrcData */\
 190         "movq "AV_STRINGIFY(VOF)"(%%"REG_S", %%"REG_a"), %%mm5         \n\t" /* VsrcData */\
 191         "add                         $16, %%"REG_d"     \n\t"\
 192         "mov                 (%%"REG_d"), %%"REG_S"     \n\t"\
 193         "pmulhw                    %%mm0, %%mm2         \n\t"\
 194         "pmulhw                    %%mm0, %%mm5         \n\t"\
 195         "paddw                     %%mm2, %%mm3         \n\t"\
 196         "paddw                     %%mm5, %%mm4         \n\t"\
 197         "test                  %%"REG_S", %%"REG_S"     \n\t"\
 198         " jnz                         2b                \n\t"\
 199
 200 #define YSCALEYUV2PACKEDX_YA(offset,coeff,src1,src2,dst1,dst2) \
 201     "lea                "offset"(%0), %%"REG_d"     \n\t"\
 202     "mov                 (%%"REG_d"), %%"REG_S"     \n\t"\
 203     "movq      "VROUNDER_OFFSET"(%0), "#dst1"       \n\t"\
 204     "movq                    "#dst1", "#dst2"       \n\t"\
 205     ".p2align                      4                \n\t"\
 206     "2:                                             \n\t"\
 207     "movq               8(%%"REG_d"), "#coeff"      \n\t" /* filterCoeff */\
 208     "movq  (%%"REG_S", %%"REG_a", 2), "#src1"       \n\t" /* Y1srcData */\
 209     "movq 8(%%"REG_S", %%"REG_a", 2), "#src2"       \n\t" /* Y2srcData */\
 210     "add                         $16, %%"REG_d"            \n\t"\
 211     "mov                 (%%"REG_d"), %%"REG_S"     \n\t"\
 212     "pmulhw                 "#coeff", "#src1"       \n\t"\
 213     "pmulhw                 "#coeff", "#src2"       \n\t"\
 214     "paddw                   "#src1", "#dst1"       \n\t"\
 215     "paddw                   "#src2", "#dst2"       \n\t"\
 216     "test                  %%"REG_S", %%"REG_S"     \n\t"\
 217     " jnz                         2b                \n\t"\
 218
 219 #define YSCALEYUV2PACKEDX \
 220     YSCALEYUV2PACKEDX_UV \
 221     YSCALEYUV2PACKEDX_YA(LUM_MMX_FILTER_OFFSET,%%mm0,%%mm2,%%mm5,%%mm1,%%mm7) \
 222
 223 #define YSCALEYUV2PACKEDX_END                     \
 224         :: "r" (&c->redDither),                   \
 225             "m" (dummy), "m" (dummy), "m" (dummy),\
 226             "r" (dest), "m" (dstW_reg)            \
 227         : "%"REG_a, "%"REG_d, "%"REG_S            \
 228     );
 229
 230 #define YSCALEYUV2PACKEDX_ACCURATE_UV \
 231     __asm__ volatile(\
 232         "xor %%"REG_a", %%"REG_a"                       \n\t"\
 233         ".p2align                      4                \n\t"\
 234         "nop                                            \n\t"\
 235         "1:                                             \n\t"\
 236         "lea "CHR_MMX_FILTER_OFFSET"(%0), %%"REG_d"     \n\t"\
 237         "mov                 (%%"REG_d"), %%"REG_S"     \n\t"\
 238         "pxor                      %%mm4, %%mm4         \n\t"\
 239         "pxor                      %%mm5, %%mm5         \n\t"\
 240         "pxor                      %%mm6, %%mm6         \n\t"\
 241         "pxor                      %%mm7, %%mm7         \n\t"\
 242         ".p2align                      4                \n\t"\
 243         "2:                                             \n\t"\
 244         "movq     (%%"REG_S", %%"REG_a"), %%mm0         \n\t" /* UsrcData */\
 245         "movq "AV_STRINGIFY(VOF)"(%%"REG_S", %%"REG_a"), %%mm2         \n\t" /* VsrcData */\
 246         "mov "STR(APCK_PTR2)"(%%"REG_d"), %%"REG_S"     \n\t"\
 247         "movq     (%%"REG_S", %%"REG_a"), %%mm1         \n\t" /* UsrcData */\
 248         "movq                      %%mm0, %%mm3         \n\t"\
 249         "punpcklwd                 %%mm1, %%mm0         \n\t"\
 250         "punpckhwd                 %%mm1, %%mm3         \n\t"\
 251         "movq "STR(APCK_COEF)"(%%"REG_d"),%%mm1         \n\t" /* filterCoeff */\
 252         "pmaddwd                   %%mm1, %%mm0         \n\t"\
 253         "pmaddwd                   %%mm1, %%mm3         \n\t"\
 254         "paddd                     %%mm0, %%mm4         \n\t"\
 255         "paddd                     %%mm3, %%mm5         \n\t"\
 256         "movq "AV_STRINGIFY(VOF)"(%%"REG_S", %%"REG_a"), %%mm3         \n\t" /* VsrcData */\
 257         "mov "STR(APCK_SIZE)"(%%"REG_d"), %%"REG_S"     \n\t"\
 258         "add           $"STR(APCK_SIZE)", %%"REG_d"     \n\t"\
 259         "test                  %%"REG_S", %%"REG_S"     \n\t"\
 260         "movq                      %%mm2, %%mm0         \n\t"\
 261         "punpcklwd                 %%mm3, %%mm2         \n\t"\
 262         "punpckhwd                 %%mm3, %%mm0         \n\t"\
 263         "pmaddwd                   %%mm1, %%mm2         \n\t"\
 264         "pmaddwd                   %%mm1, %%mm0         \n\t"\
 265         "paddd                     %%mm2, %%mm6         \n\t"\
 266         "paddd                     %%mm0, %%mm7         \n\t"\
 267         " jnz                         2b                \n\t"\
 268         "psrad                       $16, %%mm4         \n\t"\
 269         "psrad                       $16, %%mm5         \n\t"\
 270         "psrad                       $16, %%mm6         \n\t"\
 271         "psrad                       $16, %%mm7         \n\t"\
 272         "movq      "VROUNDER_OFFSET"(%0), %%mm0         \n\t"\
 273         "packssdw                  %%mm5, %%mm4         \n\t"\
 274         "packssdw                  %%mm7, %%mm6         \n\t"\
 275         "paddw                     %%mm0, %%mm4         \n\t"\
 276         "paddw                     %%mm0, %%mm6         \n\t"\
 277         "movq                      %%mm4, "U_TEMP"(%0)  \n\t"\
 278         "movq                      %%mm6, "V_TEMP"(%0)  \n\t"\
 279
 280 #define YSCALEYUV2PACKEDX_ACCURATE_YA(offset) \
 281     "lea                "offset"(%0), %%"REG_d"     \n\t"\
 282     "mov                 (%%"REG_d"), %%"REG_S"     \n\t"\
 283     "pxor                      %%mm1, %%mm1         \n\t"\
 284     "pxor                      %%mm5, %%mm5         \n\t"\
 285     "pxor                      %%mm7, %%mm7         \n\t"\
 286     "pxor                      %%mm6, %%mm6         \n\t"\
 287     ".p2align                      4                \n\t"\
 288     "2:                                             \n\t"\
 289     "movq  (%%"REG_S", %%"REG_a", 2), %%mm0         \n\t" /* Y1srcData */\
 290     "movq 8(%%"REG_S", %%"REG_a", 2), %%mm2         \n\t" /* Y2srcData */\
 291     "mov "STR(APCK_PTR2)"(%%"REG_d"), %%"REG_S"     \n\t"\
 292     "movq  (%%"REG_S", %%"REG_a", 2), %%mm4         \n\t" /* Y1srcData */\
 293     "movq                      %%mm0, %%mm3         \n\t"\
 294     "punpcklwd                 %%mm4, %%mm0         \n\t"\
 295     "punpckhwd                 %%mm4, %%mm3         \n\t"\
 296     "movq "STR(APCK_COEF)"(%%"REG_d"), %%mm4         \n\t" /* filterCoeff */\
 297     "pmaddwd                   %%mm4, %%mm0         \n\t"\
 298     "pmaddwd                   %%mm4, %%mm3         \n\t"\
 299     "paddd                     %%mm0, %%mm1         \n\t"\
 300     "paddd                     %%mm3, %%mm5         \n\t"\
 301     "movq 8(%%"REG_S", %%"REG_a", 2), %%mm3         \n\t" /* Y2srcData */\
 302     "mov "STR(APCK_SIZE)"(%%"REG_d"), %%"REG_S"     \n\t"\
 303     "add           $"STR(APCK_SIZE)", %%"REG_d"     \n\t"\
 304     "test                  %%"REG_S", %%"REG_S"     \n\t"\
 305     "movq                      %%mm2, %%mm0         \n\t"\
 306     "punpcklwd                 %%mm3, %%mm2         \n\t"\
 307     "punpckhwd                 %%mm3, %%mm0         \n\t"\
 308     "pmaddwd                   %%mm4, %%mm2         \n\t"\
 309     "pmaddwd                   %%mm4, %%mm0         \n\t"\
 310     "paddd                     %%mm2, %%mm7         \n\t"\
 311     "paddd                     %%mm0, %%mm6         \n\t"\
 312     " jnz                         2b                \n\t"\
 313     "psrad                       $16, %%mm1         \n\t"\
 314     "psrad                       $16, %%mm5         \n\t"\
 315     "psrad                       $16, %%mm7         \n\t"\
 316     "psrad                       $16, %%mm6         \n\t"\
 317     "movq      "VROUNDER_OFFSET"(%0), %%mm0         \n\t"\
 318     "packssdw                  %%mm5, %%mm1         \n\t"\
 319     "packssdw                  %%mm6, %%mm7         \n\t"\
 320     "paddw                     %%mm0, %%mm1         \n\t"\
 321     "paddw                     %%mm0, %%mm7         \n\t"\
 322     "movq               "U_TEMP"(%0), %%mm3         \n\t"\
 323     "movq               "V_TEMP"(%0), %%mm4         \n\t"\
 324
 325 #define YSCALEYUV2PACKEDX_ACCURATE \
 326     YSCALEYUV2PACKEDX_ACCURATE_UV \
 327     YSCALEYUV2PACKEDX_ACCURATE_YA(LUM_MMX_FILTER_OFFSET)
 328
 329 #define YSCALEYUV2RGBX \
 330     "psubw  "U_OFFSET"(%0), %%mm3       \n\t" /* (U-128)8*/\
 331     "psubw  "V_OFFSET"(%0), %%mm4       \n\t" /* (V-128)8*/\
 332     "movq            %%mm3, %%mm2       \n\t" /* (U-128)8*/\
 333     "movq            %%mm4, %%mm5       \n\t" /* (V-128)8*/\
 334     "pmulhw "UG_COEFF"(%0), %%mm3       \n\t"\
 335     "pmulhw "VG_COEFF"(%0), %%mm4       \n\t"\
 336     /* mm2=(U-128)8, mm3=ug, mm4=vg mm5=(V-128)8 */\
 337     "pmulhw "UB_COEFF"(%0), %%mm2       \n\t"\
 338     "pmulhw "VR_COEFF"(%0), %%mm5       \n\t"\
 339     "psubw  "Y_OFFSET"(%0), %%mm1       \n\t" /* 8(Y-16)*/\
 340     "psubw  "Y_OFFSET"(%0), %%mm7       \n\t" /* 8(Y-16)*/\
 341     "pmulhw  "Y_COEFF"(%0), %%mm1       \n\t"\
 342     "pmulhw  "Y_COEFF"(%0), %%mm7       \n\t"\
 343     /* mm1= Y1, mm2=ub, mm3=ug, mm4=vg mm5=vr, mm7=Y2 */\
 344     "paddw           %%mm3, %%mm4       \n\t"\
 345     "movq            %%mm2, %%mm0       \n\t"\
 346     "movq            %%mm5, %%mm6       \n\t"\
 347     "movq            %%mm4, %%mm3       \n\t"\
 348     "punpcklwd       %%mm2, %%mm2       \n\t"\
 349     "punpcklwd       %%mm5, %%mm5       \n\t"\
 350     "punpcklwd       %%mm4, %%mm4       \n\t"\
 351     "paddw           %%mm1, %%mm2       \n\t"\
 352     "paddw           %%mm1, %%mm5       \n\t"\
 353     "paddw           %%mm1, %%mm4       \n\t"\
 354     "punpckhwd       %%mm0, %%mm0       \n\t"\
 355     "punpckhwd       %%mm6, %%mm6       \n\t"\
 356     "punpckhwd       %%mm3, %%mm3       \n\t"\
 357     "paddw           %%mm7, %%mm0       \n\t"\
 358     "paddw           %%mm7, %%mm6       \n\t"\
 359     "paddw           %%mm7, %%mm3       \n\t"\
 360     /* mm0=B1, mm2=B2, mm3=G2, mm4=G1, mm5=R1, mm6=R2 */\
 361     "packuswb        %%mm0, %%mm2       \n\t"\
 362     "packuswb        %%mm6, %%mm5       \n\t"\
 363     "packuswb        %%mm3, %%mm4       \n\t"\
 364
 365 #define REAL_YSCALEYUV2PACKED(index, c) \
 366     "movq "CHR_MMX_FILTER_OFFSET"+8("#c"), %%mm0              \n\t"\
 367     "movq "LUM_MMX_FILTER_OFFSET"+8("#c"), %%mm1              \n\t"\
 368     "psraw                $3, %%mm0                           \n\t"\
 369     "psraw                $3, %%mm1                           \n\t"\
 370     "movq              %%mm0, "CHR_MMX_FILTER_OFFSET"+8("#c") \n\t"\
 371     "movq              %%mm1, "LUM_MMX_FILTER_OFFSET"+8("#c") \n\t"\
 372     "xor            "#index", "#index"                        \n\t"\
 373     ".p2align              4            \n\t"\
 374     "1:                                 \n\t"\
 375     "movq     (%2, "#index"), %%mm2     \n\t" /* uvbuf0[eax]*/\
 376     "movq     (%3, "#index"), %%mm3     \n\t" /* uvbuf1[eax]*/\
 377     "movq "AV_STRINGIFY(VOF)"(%2, "#index"), %%mm5     \n\t" /* uvbuf0[eax+2048]*/\
 378     "movq "AV_STRINGIFY(VOF)"(%3, "#index"), %%mm4     \n\t" /* uvbuf1[eax+2048]*/\
 379     "psubw             %%mm3, %%mm2     \n\t" /* uvbuf0[eax] - uvbuf1[eax]*/\
 380     "psubw             %%mm4, %%mm5     \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048]*/\
 381     "movq "CHR_MMX_FILTER_OFFSET"+8("#c"), %%mm0    \n\t"\
 382     "pmulhw            %%mm0, %%mm2     \n\t" /* (uvbuf0[eax] - uvbuf1[eax])uvalpha1>>16*/\
 383     "pmulhw            %%mm0, %%mm5     \n\t" /* (uvbuf0[eax+2048] - uvbuf1[eax+2048])uvalpha1>>16*/\
 384     "psraw                $7, %%mm3     \n\t" /* uvbuf0[eax] - uvbuf1[eax] >>4*/\
 385     "psraw                $7, %%mm4     \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048] >>4*/\
 386     "paddw             %%mm2, %%mm3     \n\t" /* uvbuf0[eax]uvalpha1 - uvbuf1[eax](1-uvalpha1)*/\
 387     "paddw             %%mm5, %%mm4     \n\t" /* uvbuf0[eax+2048]uvalpha1 - uvbuf1[eax+2048](1-uvalpha1)*/\
 388     "movq  (%0, "#index", 2), %%mm0     \n\t" /*buf0[eax]*/\
 389     "movq  (%1, "#index", 2), %%mm1     \n\t" /*buf1[eax]*/\
 390     "movq 8(%0, "#index", 2), %%mm6     \n\t" /*buf0[eax]*/\
 391     "movq 8(%1, "#index", 2), %%mm7     \n\t" /*buf1[eax]*/\
 392     "psubw             %%mm1, %%mm0     \n\t" /* buf0[eax] - buf1[eax]*/\
 393     "psubw             %%mm7, %%mm6     \n\t" /* buf0[eax] - buf1[eax]*/\
 394     "pmulhw "LUM_MMX_FILTER_OFFSET"+8("#c"), %%mm0  \n\t" /* (buf0[eax] - buf1[eax])yalpha1>>16*/\
 395     "pmulhw "LUM_MMX_FILTER_OFFSET"+8("#c"), %%mm6  \n\t" /* (buf0[eax] - buf1[eax])yalpha1>>16*/\
 396     "psraw                $7, %%mm1     \n\t" /* buf0[eax] - buf1[eax] >>4*/\
 397     "psraw                $7, %%mm7     \n\t" /* buf0[eax] - buf1[eax] >>4*/\
 398     "paddw             %%mm0, %%mm1     \n\t" /* buf0[eax]yalpha1 + buf1[eax](1-yalpha1) >>16*/\
 399     "paddw             %%mm6, %%mm7     \n\t" /* buf0[eax]yalpha1 + buf1[eax](1-yalpha1) >>16*/\
 400
 401 #define YSCALEYUV2PACKED(index, c)  REAL_YSCALEYUV2PACKED(index, c)
 402
 403 #define REAL_YSCALEYUV2RGB_UV(index, c) \
 404     "xor            "#index", "#index"  \n\t"\
 405     ".p2align              4            \n\t"\
 406     "1:                                 \n\t"\
 407     "movq     (%2, "#index"), %%mm2     \n\t" /* uvbuf0[eax]*/\
 408     "movq     (%3, "#index"), %%mm3     \n\t" /* uvbuf1[eax]*/\
 409     "movq "AV_STRINGIFY(VOF)"(%2, "#index"), %%mm5     \n\t" /* uvbuf0[eax+2048]*/\
 410     "movq "AV_STRINGIFY(VOF)"(%3, "#index"), %%mm4     \n\t" /* uvbuf1[eax+2048]*/\
 411     "psubw             %%mm3, %%mm2     \n\t" /* uvbuf0[eax] - uvbuf1[eax]*/\
 412     "psubw             %%mm4, %%mm5     \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048]*/\
 413     "movq "CHR_MMX_FILTER_OFFSET"+8("#c"), %%mm0    \n\t"\
 414     "pmulhw            %%mm0, %%mm2     \n\t" /* (uvbuf0[eax] - uvbuf1[eax])uvalpha1>>16*/\
 415     "pmulhw            %%mm0, %%mm5     \n\t" /* (uvbuf0[eax+2048] - uvbuf1[eax+2048])uvalpha1>>16*/\
 416     "psraw                $4, %%mm3     \n\t" /* uvbuf0[eax] - uvbuf1[eax] >>4*/\
 417     "psraw                $4, %%mm4     \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048] >>4*/\
 418     "paddw             %%mm2, %%mm3     \n\t" /* uvbuf0[eax]uvalpha1 - uvbuf1[eax](1-uvalpha1)*/\
 419     "paddw             %%mm5, %%mm4     \n\t" /* uvbuf0[eax+2048]uvalpha1 - uvbuf1[eax+2048](1-uvalpha1)*/\
 420     "psubw  "U_OFFSET"("#c"), %%mm3     \n\t" /* (U-128)8*/\
 421     "psubw  "V_OFFSET"("#c"), %%mm4     \n\t" /* (V-128)8*/\
 422     "movq              %%mm3, %%mm2     \n\t" /* (U-128)8*/\
 423     "movq              %%mm4, %%mm5     \n\t" /* (V-128)8*/\
 424     "pmulhw "UG_COEFF"("#c"), %%mm3     \n\t"\
 425     "pmulhw "VG_COEFF"("#c"), %%mm4     \n\t"\
 426     /* mm2=(U-128)8, mm3=ug, mm4=vg mm5=(V-128)8 */\
 427
 428 #define REAL_YSCALEYUV2RGB_YA(index, c, b1, b2) \
 429     "movq  ("#b1", "#index", 2), %%mm0     \n\t" /*buf0[eax]*/\
 430     "movq  ("#b2", "#index", 2), %%mm1     \n\t" /*buf1[eax]*/\
 431     "movq 8("#b1", "#index", 2), %%mm6     \n\t" /*buf0[eax]*/\
 432     "movq 8("#b2", "#index", 2), %%mm7     \n\t" /*buf1[eax]*/\
 433     "psubw             %%mm1, %%mm0     \n\t" /* buf0[eax] - buf1[eax]*/\
 434     "psubw             %%mm7, %%mm6     \n\t" /* buf0[eax] - buf1[eax]*/\
 435     "pmulhw "LUM_MMX_FILTER_OFFSET"+8("#c"), %%mm0  \n\t" /* (buf0[eax] - buf1[eax])yalpha1>>16*/\
 436     "pmulhw "LUM_MMX_FILTER_OFFSET"+8("#c"), %%mm6  \n\t" /* (buf0[eax] - buf1[eax])yalpha1>>16*/\
 437     "psraw                $4, %%mm1     \n\t" /* buf0[eax] - buf1[eax] >>4*/\
 438     "psraw                $4, %%mm7     \n\t" /* buf0[eax] - buf1[eax] >>4*/\
 439     "paddw             %%mm0, %%mm1     \n\t" /* buf0[eax]yalpha1 + buf1[eax](1-yalpha1) >>16*/\
 440     "paddw             %%mm6, %%mm7     \n\t" /* buf0[eax]yalpha1 + buf1[eax](1-yalpha1) >>16*/\
 441
 442 #define REAL_YSCALEYUV2RGB_COEFF(c) \
 443     "pmulhw "UB_COEFF"("#c"), %%mm2     \n\t"\
 444     "pmulhw "VR_COEFF"("#c"), %%mm5     \n\t"\
 445     "psubw  "Y_OFFSET"("#c"), %%mm1     \n\t" /* 8(Y-16)*/\
 446     "psubw  "Y_OFFSET"("#c"), %%mm7     \n\t" /* 8(Y-16)*/\
 447     "pmulhw  "Y_COEFF"("#c"), %%mm1     \n\t"\
 448     "pmulhw  "Y_COEFF"("#c"), %%mm7     \n\t"\
 449     /* mm1= Y1, mm2=ub, mm3=ug, mm4=vg mm5=vr, mm7=Y2 */\
 450     "paddw             %%mm3, %%mm4     \n\t"\
 451     "movq              %%mm2, %%mm0     \n\t"\
 452     "movq              %%mm5, %%mm6     \n\t"\
 453     "movq              %%mm4, %%mm3     \n\t"\
 454     "punpcklwd         %%mm2, %%mm2     \n\t"\
 455     "punpcklwd         %%mm5, %%mm5     \n\t"\
 456     "punpcklwd         %%mm4, %%mm4     \n\t"\
 457     "paddw             %%mm1, %%mm2     \n\t"\
 458     "paddw             %%mm1, %%mm5     \n\t"\
 459     "paddw             %%mm1, %%mm4     \n\t"\
 460     "punpckhwd         %%mm0, %%mm0     \n\t"\
 461     "punpckhwd         %%mm6, %%mm6     \n\t"\
 462     "punpckhwd         %%mm3, %%mm3     \n\t"\
 463     "paddw             %%mm7, %%mm0     \n\t"\
 464     "paddw             %%mm7, %%mm6     \n\t"\
 465     "paddw             %%mm7, %%mm3     \n\t"\
 466     /* mm0=B1, mm2=B2, mm3=G2, mm4=G1, mm5=R1, mm6=R2 */\
 467     "packuswb          %%mm0, %%mm2     \n\t"\
 468     "packuswb          %%mm6, %%mm5     \n\t"\
 469     "packuswb          %%mm3, %%mm4     \n\t"\
 470
 471 #define YSCALEYUV2RGB_YA(index, c, b1, b2) REAL_YSCALEYUV2RGB_YA(index, c, b1, b2)
 472
 473 #define YSCALEYUV2RGB(index, c) \
 474     REAL_YSCALEYUV2RGB_UV(index, c) \
 475     REAL_YSCALEYUV2RGB_YA(index, c, %0, %1) \
 476     REAL_YSCALEYUV2RGB_COEFF(c)
 477
 478 #define REAL_YSCALEYUV2PACKED1(index, c) \
 479     "xor            "#index", "#index"  \n\t"\
 480     ".p2align              4            \n\t"\
 481     "1:                                 \n\t"\
 482     "movq     (%2, "#index"), %%mm3     \n\t" /* uvbuf0[eax]*/\
 483     "movq "AV_STRINGIFY(VOF)"(%2, "#index"), %%mm4     \n\t" /* uvbuf0[eax+2048]*/\
 484     "psraw                $7, %%mm3     \n\t" \
 485     "psraw                $7, %%mm4     \n\t" \
 486     "movq  (%0, "#index", 2), %%mm1     \n\t" /*buf0[eax]*/\
 487     "movq 8(%0, "#index", 2), %%mm7     \n\t" /*buf0[eax]*/\
 488     "psraw                $7, %%mm1     \n\t" \
 489     "psraw                $7, %%mm7     \n\t" \
 490
 491 #define YSCALEYUV2PACKED1(index, c)  REAL_YSCALEYUV2PACKED1(index, c)
 492
 493 #define REAL_YSCALEYUV2RGB1(index, c) \
 494     "xor            "#index", "#index"  \n\t"\
 495     ".p2align              4            \n\t"\
 496     "1:                                 \n\t"\
 497     "movq     (%2, "#index"), %%mm3     \n\t" /* uvbuf0[eax]*/\
 498     "movq "AV_STRINGIFY(VOF)"(%2, "#index"), %%mm4     \n\t" /* uvbuf0[eax+2048]*/\
 499     "psraw                $4, %%mm3     \n\t" /* uvbuf0[eax] - uvbuf1[eax] >>4*/\
 500     "psraw                $4, %%mm4     \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048] >>4*/\
 501     "psubw  "U_OFFSET"("#c"), %%mm3     \n\t" /* (U-128)8*/\
 502     "psubw  "V_OFFSET"("#c"), %%mm4     \n\t" /* (V-128)8*/\
 503     "movq              %%mm3, %%mm2     \n\t" /* (U-128)8*/\
 504     "movq              %%mm4, %%mm5     \n\t" /* (V-128)8*/\
 505     "pmulhw "UG_COEFF"("#c"), %%mm3     \n\t"\
 506     "pmulhw "VG_COEFF"("#c"), %%mm4     \n\t"\
 507     /* mm2=(U-128)8, mm3=ug, mm4=vg mm5=(V-128)8 */\
 508     "movq  (%0, "#index", 2), %%mm1     \n\t" /*buf0[eax]*/\
 509     "movq 8(%0, "#index", 2), %%mm7     \n\t" /*buf0[eax]*/\
 510     "psraw                $4, %%mm1     \n\t" /* buf0[eax] - buf1[eax] >>4*/\
 511     "psraw                $4, %%mm7     \n\t" /* buf0[eax] - buf1[eax] >>4*/\
 512     "pmulhw "UB_COEFF"("#c"), %%mm2     \n\t"\
 513     "pmulhw "VR_COEFF"("#c"), %%mm5     \n\t"\
 514     "psubw  "Y_OFFSET"("#c"), %%mm1     \n\t" /* 8(Y-16)*/\
 515     "psubw  "Y_OFFSET"("#c"), %%mm7     \n\t" /* 8(Y-16)*/\
 516     "pmulhw  "Y_COEFF"("#c"), %%mm1     \n\t"\
 517     "pmulhw  "Y_COEFF"("#c"), %%mm7     \n\t"\
 518     /* mm1= Y1, mm2=ub, mm3=ug, mm4=vg mm5=vr, mm7=Y2 */\
 519     "paddw             %%mm3, %%mm4     \n\t"\
 520     "movq              %%mm2, %%mm0     \n\t"\
 521     "movq              %%mm5, %%mm6     \n\t"\
 522     "movq              %%mm4, %%mm3     \n\t"\
 523     "punpcklwd         %%mm2, %%mm2     \n\t"\
 524     "punpcklwd         %%mm5, %%mm5     \n\t"\
 525     "punpcklwd         %%mm4, %%mm4     \n\t"\
 526     "paddw             %%mm1, %%mm2     \n\t"\
 527     "paddw             %%mm1, %%mm5     \n\t"\
 528     "paddw             %%mm1, %%mm4     \n\t"\
 529     "punpckhwd         %%mm0, %%mm0     \n\t"\
 530     "punpckhwd         %%mm6, %%mm6     \n\t"\
 531     "punpckhwd         %%mm3, %%mm3     \n\t"\
 532     "paddw             %%mm7, %%mm0     \n\t"\
 533     "paddw             %%mm7, %%mm6     \n\t"\
 534     "paddw             %%mm7, %%mm3     \n\t"\
 535     /* mm0=B1, mm2=B2, mm3=G2, mm4=G1, mm5=R1, mm6=R2 */\
 536     "packuswb          %%mm0, %%mm2     \n\t"\
 537     "packuswb          %%mm6, %%mm5     \n\t"\
 538     "packuswb          %%mm3, %%mm4     \n\t"\
 539
 540 #define YSCALEYUV2RGB1(index, c)  REAL_YSCALEYUV2RGB1(index, c)
 541
 542 #define REAL_YSCALEYUV2PACKED1b(index, c) \
 543     "xor "#index", "#index"             \n\t"\
 544     ".p2align              4            \n\t"\
 545     "1:                                 \n\t"\
 546     "movq     (%2, "#index"), %%mm2     \n\t" /* uvbuf0[eax]*/\
 547     "movq     (%3, "#index"), %%mm3     \n\t" /* uvbuf1[eax]*/\
 548     "movq "AV_STRINGIFY(VOF)"(%2, "#index"), %%mm5     \n\t" /* uvbuf0[eax+2048]*/\
 549     "movq "AV_STRINGIFY(VOF)"(%3, "#index"), %%mm4     \n\t" /* uvbuf1[eax+2048]*/\
 550     "paddw             %%mm2, %%mm3     \n\t" /* uvbuf0[eax] + uvbuf1[eax]*/\
 551     "paddw             %%mm5, %%mm4     \n\t" /* uvbuf0[eax+2048] + uvbuf1[eax+2048]*/\
 552     "psrlw                $8, %%mm3     \n\t" \
 553     "psrlw                $8, %%mm4     \n\t" \
 554     "movq  (%0, "#index", 2), %%mm1     \n\t" /*buf0[eax]*/\
 555     "movq 8(%0, "#index", 2), %%mm7     \n\t" /*buf0[eax]*/\
 556     "psraw                $7, %%mm1     \n\t" \
 557     "psraw                $7, %%mm7     \n\t"
 558 #define YSCALEYUV2PACKED1b(index, c)  REAL_YSCALEYUV2PACKED1b(index, c)
 559
 560 // do vertical chrominance interpolation
 561 #define REAL_YSCALEYUV2RGB1b(index, c) \
 562     "xor            "#index", "#index"  \n\t"\
 563     ".p2align              4            \n\t"\
 564     "1:                                 \n\t"\
 565     "movq     (%2, "#index"), %%mm2     \n\t" /* uvbuf0[eax]*/\
 566     "movq     (%3, "#index"), %%mm3     \n\t" /* uvbuf1[eax]*/\
 567     "movq "AV_STRINGIFY(VOF)"(%2, "#index"), %%mm5     \n\t" /* uvbuf0[eax+2048]*/\
 568     "movq "AV_STRINGIFY(VOF)"(%3, "#index"), %%mm4     \n\t" /* uvbuf1[eax+2048]*/\
 569     "paddw             %%mm2, %%mm3     \n\t" /* uvbuf0[eax] + uvbuf1[eax]*/\
 570     "paddw             %%mm5, %%mm4     \n\t" /* uvbuf0[eax+2048] + uvbuf1[eax+2048]*/\
 571     "psrlw                $5, %%mm3     \n\t" /*FIXME might overflow*/\
 572     "psrlw                $5, %%mm4     \n\t" /*FIXME might overflow*/\
 573     "psubw  "U_OFFSET"("#c"), %%mm3     \n\t" /* (U-128)8*/\
 574     "psubw  "V_OFFSET"("#c"), %%mm4     \n\t" /* (V-128)8*/\
 575     "movq              %%mm3, %%mm2     \n\t" /* (U-128)8*/\
 576     "movq              %%mm4, %%mm5     \n\t" /* (V-128)8*/\
 577     "pmulhw "UG_COEFF"("#c"), %%mm3     \n\t"\
 578     "pmulhw "VG_COEFF"("#c"), %%mm4     \n\t"\
 579     /* mm2=(U-128)8, mm3=ug, mm4=vg mm5=(V-128)8 */\
 580     "movq  (%0, "#index", 2), %%mm1     \n\t" /*buf0[eax]*/\
 581     "movq 8(%0, "#index", 2), %%mm7     \n\t" /*buf0[eax]*/\
 582     "psraw                $4, %%mm1     \n\t" /* buf0[eax] - buf1[eax] >>4*/\
 583     "psraw                $4, %%mm7     \n\t" /* buf0[eax] - buf1[eax] >>4*/\
 584     "pmulhw "UB_COEFF"("#c"), %%mm2     \n\t"\
 585     "pmulhw "VR_COEFF"("#c"), %%mm5     \n\t"\
 586     "psubw  "Y_OFFSET"("#c"), %%mm1     \n\t" /* 8(Y-16)*/\
 587     "psubw  "Y_OFFSET"("#c"), %%mm7     \n\t" /* 8(Y-16)*/\
 588     "pmulhw  "Y_COEFF"("#c"), %%mm1     \n\t"\
 589     "pmulhw  "Y_COEFF"("#c"), %%mm7     \n\t"\
 590     /* mm1= Y1, mm2=ub, mm3=ug, mm4=vg mm5=vr, mm7=Y2 */\
 591     "paddw             %%mm3, %%mm4     \n\t"\
 592     "movq              %%mm2, %%mm0     \n\t"\
 593     "movq              %%mm5, %%mm6     \n\t"\
 594     "movq              %%mm4, %%mm3     \n\t"\
 595     "punpcklwd         %%mm2, %%mm2     \n\t"\
 596     "punpcklwd         %%mm5, %%mm5     \n\t"\
 597     "punpcklwd         %%mm4, %%mm4     \n\t"\
 598     "paddw             %%mm1, %%mm2     \n\t"\
 599     "paddw             %%mm1, %%mm5     \n\t"\
 600     "paddw             %%mm1, %%mm4     \n\t"\
 601     "punpckhwd         %%mm0, %%mm0     \n\t"\
 602     "punpckhwd         %%mm6, %%mm6     \n\t"\
 603     "punpckhwd         %%mm3, %%mm3     \n\t"\
 604     "paddw             %%mm7, %%mm0     \n\t"\
 605     "paddw             %%mm7, %%mm6     \n\t"\
 606     "paddw             %%mm7, %%mm3     \n\t"\
 607     /* mm0=B1, mm2=B2, mm3=G2, mm4=G1, mm5=R1, mm6=R2 */\
 608     "packuswb          %%mm0, %%mm2     \n\t"\
 609     "packuswb          %%mm6, %%mm5     \n\t"\
 610     "packuswb          %%mm3, %%mm4     \n\t"\
 611
 612 #define YSCALEYUV2RGB1b(index, c)  REAL_YSCALEYUV2RGB1b(index, c)
 613
 614 #define REAL_YSCALEYUV2RGB1_ALPHA(index) \
 615     "movq  (%1, "#index", 2), %%mm7     \n\t" /* abuf0[index  ]     */\
 616     "movq 8(%1, "#index", 2), %%mm1     \n\t" /* abuf0[index+4]     */\
 617     "psraw                $7, %%mm7     \n\t" /* abuf0[index  ] >>7 */\
 618     "psraw                $7, %%mm1     \n\t" /* abuf0[index+4] >>7 */\
 619     "packuswb          %%mm1, %%mm7     \n\t"
 620 #define YSCALEYUV2RGB1_ALPHA(index) REAL_YSCALEYUV2RGB1_ALPHA(index)
 621
 622 #define REAL_WRITEBGR32(dst, dstw, index, b, g, r, a, q0, q2, q3, t) \
 623     "movq       "#b", "#q2"     \n\t" /* B */\
 624     "movq       "#r", "#t"      \n\t" /* R */\
 625     "punpcklbw  "#g", "#b"      \n\t" /* GBGBGBGB 0 */\
 626     "punpcklbw  "#a", "#r"      \n\t" /* ARARARAR 0 */\
 627     "punpckhbw  "#g", "#q2"     \n\t" /* GBGBGBGB 2 */\
 628     "punpckhbw  "#a", "#t"      \n\t" /* ARARARAR 2 */\
 629     "movq       "#b", "#q0"     \n\t" /* GBGBGBGB 0 */\
 630     "movq      "#q2", "#q3"     \n\t" /* GBGBGBGB 2 */\
 631     "punpcklwd  "#r", "#q0"     \n\t" /* ARGBARGB 0 */\
 632     "punpckhwd  "#r", "#b"      \n\t" /* ARGBARGB 1 */\
 633     "punpcklwd  "#t", "#q2"     \n\t" /* ARGBARGB 2 */\
 634     "punpckhwd  "#t", "#q3"     \n\t" /* ARGBARGB 3 */\
 635 \
 636     MOVNTQ(   q0,   (dst, index, 4))\
 637     MOVNTQ(    b,  8(dst, index, 4))\
 638     MOVNTQ(   q2, 16(dst, index, 4))\
 639     MOVNTQ(   q3, 24(dst, index, 4))\
 640 \
 641     "add      $8, "#index"      \n\t"\
 642     "cmp "#dstw", "#index"      \n\t"\
 643     " jb      1b                \n\t"
 644 #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)
 645
 646 #define REAL_WRITERGB16(dst, dstw, index) \
 647     "pand "MANGLE(bF8)", %%mm2  \n\t" /* B */\
 648     "pand "MANGLE(bFC)", %%mm4  \n\t" /* G */\
 649     "pand "MANGLE(bF8)", %%mm5  \n\t" /* R */\
 650     "psrlq           $3, %%mm2  \n\t"\
 651 \
 652     "movq         %%mm2, %%mm1  \n\t"\
 653     "movq         %%mm4, %%mm3  \n\t"\
 654 \
 655     "punpcklbw    %%mm7, %%mm3  \n\t"\
 656     "punpcklbw    %%mm5, %%mm2  \n\t"\
 657     "punpckhbw    %%mm7, %%mm4  \n\t"\
 658     "punpckhbw    %%mm5, %%mm1  \n\t"\
 659 \
 660     "psllq           $3, %%mm3  \n\t"\
 661     "psllq           $3, %%mm4  \n\t"\
 662 \
 663     "por          %%mm3, %%mm2  \n\t"\
 664     "por          %%mm4, %%mm1  \n\t"\
 665 \
 666     MOVNTQ(%%mm2,  (dst, index, 2))\
 667     MOVNTQ(%%mm1, 8(dst, index, 2))\
 668 \
 669     "add             $8, "#index"   \n\t"\
 670     "cmp        "#dstw", "#index"   \n\t"\
 671     " jb             1b             \n\t"
 672 #define WRITERGB16(dst, dstw, index)  REAL_WRITERGB16(dst, dstw, index)
 673
 674 #define REAL_WRITERGB15(dst, dstw, index) \
 675     "pand "MANGLE(bF8)", %%mm2  \n\t" /* B */\
 676     "pand "MANGLE(bF8)", %%mm4  \n\t" /* G */\
 677     "pand "MANGLE(bF8)", %%mm5  \n\t" /* R */\
 678     "psrlq           $3, %%mm2  \n\t"\
 679     "psrlq           $1, %%mm5  \n\t"\
 680 \
 681     "movq         %%mm2, %%mm1  \n\t"\
 682     "movq         %%mm4, %%mm3  \n\t"\
 683 \
 684     "punpcklbw    %%mm7, %%mm3  \n\t"\
 685     "punpcklbw    %%mm5, %%mm2  \n\t"\
 686     "punpckhbw    %%mm7, %%mm4  \n\t"\
 687     "punpckhbw    %%mm5, %%mm1  \n\t"\
 688 \
 689     "psllq           $2, %%mm3  \n\t"\
 690     "psllq           $2, %%mm4  \n\t"\
 691 \
 692     "por          %%mm3, %%mm2  \n\t"\
 693     "por          %%mm4, %%mm1  \n\t"\
 694 \
 695     MOVNTQ(%%mm2,  (dst, index, 2))\
 696     MOVNTQ(%%mm1, 8(dst, index, 2))\
 697 \
 698     "add             $8, "#index"   \n\t"\
 699     "cmp        "#dstw", "#index"   \n\t"\
 700     " jb             1b             \n\t"
 701 #define WRITERGB15(dst, dstw, index)  REAL_WRITERGB15(dst, dstw, index)
 702
 703 #define WRITEBGR24MMX(dst, dstw, index) \
 704     /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */\
 705     "movq      %%mm2, %%mm1     \n\t" /* B */\
 706     "movq      %%mm5, %%mm6     \n\t" /* R */\
 707     "punpcklbw %%mm4, %%mm2     \n\t" /* GBGBGBGB 0 */\
 708     "punpcklbw %%mm7, %%mm5     \n\t" /* 0R0R0R0R 0 */\
 709     "punpckhbw %%mm4, %%mm1     \n\t" /* GBGBGBGB 2 */\
 710     "punpckhbw %%mm7, %%mm6     \n\t" /* 0R0R0R0R 2 */\
 711     "movq      %%mm2, %%mm0     \n\t" /* GBGBGBGB 0 */\
 712     "movq      %%mm1, %%mm3     \n\t" /* GBGBGBGB 2 */\
 713     "punpcklwd %%mm5, %%mm0     \n\t" /* 0RGB0RGB 0 */\
 714     "punpckhwd %%mm5, %%mm2     \n\t" /* 0RGB0RGB 1 */\
 715     "punpcklwd %%mm6, %%mm1     \n\t" /* 0RGB0RGB 2 */\
 716     "punpckhwd %%mm6, %%mm3     \n\t" /* 0RGB0RGB 3 */\
 717 \
 718     "movq      %%mm0, %%mm4     \n\t" /* 0RGB0RGB 0 */\
 719     "movq      %%mm2, %%mm6     \n\t" /* 0RGB0RGB 1 */\
 720     "movq      %%mm1, %%mm5     \n\t" /* 0RGB0RGB 2 */\
 721     "movq      %%mm3, %%mm7     \n\t" /* 0RGB0RGB 3 */\
 722 \
 723     "psllq       $40, %%mm0     \n\t" /* RGB00000 0 */\
 724     "psllq       $40, %%mm2     \n\t" /* RGB00000 1 */\
 725     "psllq       $40, %%mm1     \n\t" /* RGB00000 2 */\
 726     "psllq       $40, %%mm3     \n\t" /* RGB00000 3 */\
 727 \
 728     "punpckhdq %%mm4, %%mm0     \n\t" /* 0RGBRGB0 0 */\
 729     "punpckhdq %%mm6, %%mm2     \n\t" /* 0RGBRGB0 1 */\
 730     "punpckhdq %%mm5, %%mm1     \n\t" /* 0RGBRGB0 2 */\
 731     "punpckhdq %%mm7, %%mm3     \n\t" /* 0RGBRGB0 3 */\
 732 \
 733     "psrlq        $8, %%mm0     \n\t" /* 00RGBRGB 0 */\
 734     "movq      %%mm2, %%mm6     \n\t" /* 0RGBRGB0 1 */\
 735     "psllq       $40, %%mm2     \n\t" /* GB000000 1 */\
 736     "por       %%mm2, %%mm0     \n\t" /* GBRGBRGB 0 */\
 737     MOVNTQ(%%mm0, (dst))\
 738 \
 739     "psrlq       $24, %%mm6     \n\t" /* 0000RGBR 1 */\
 740     "movq      %%mm1, %%mm5     \n\t" /* 0RGBRGB0 2 */\
 741     "psllq       $24, %%mm1     \n\t" /* BRGB0000 2 */\
 742     "por       %%mm1, %%mm6     \n\t" /* BRGBRGBR 1 */\
 743     MOVNTQ(%%mm6, 8(dst))\
 744 \
 745     "psrlq       $40, %%mm5     \n\t" /* 000000RG 2 */\
 746     "psllq        $8, %%mm3     \n\t" /* RGBRGB00 3 */\
 747     "por       %%mm3, %%mm5     \n\t" /* RGBRGBRG 2 */\
 748     MOVNTQ(%%mm5, 16(dst))\
 749 \
 750     "add         $24, "#dst"    \n\t"\
 751 \
 752     "add          $8, "#index"  \n\t"\
 753     "cmp     "#dstw", "#index"  \n\t"\
 754     " jb          1b            \n\t"
 755
 756 #define WRITEBGR24MMX2(dst, dstw, index) \
 757     /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */\
 758     "movq "MANGLE(ff_M24A)", %%mm0 \n\t"\
 759     "movq "MANGLE(ff_M24C)", %%mm7 \n\t"\
 760     "pshufw $0x50, %%mm2, %%mm1 \n\t" /* B3 B2 B3 B2  B1 B0 B1 B0 */\
 761     "pshufw $0x50, %%mm4, %%mm3 \n\t" /* G3 G2 G3 G2  G1 G0 G1 G0 */\
 762     "pshufw $0x00, %%mm5, %%mm6 \n\t" /* R1 R0 R1 R0  R1 R0 R1 R0 */\
 763 \
 764     "pand   %%mm0, %%mm1        \n\t" /*    B2        B1       B0 */\
 765     "pand   %%mm0, %%mm3        \n\t" /*    G2        G1       G0 */\
 766     "pand   %%mm7, %%mm6        \n\t" /*       R1        R0       */\
 767 \
 768     "psllq     $8, %%mm3        \n\t" /* G2        G1       G0    */\
 769     "por    %%mm1, %%mm6        \n\t"\
 770     "por    %%mm3, %%mm6        \n\t"\
 771     MOVNTQ(%%mm6, (dst))\
 772 \
 773     "psrlq     $8, %%mm4        \n\t" /* 00 G7 G6 G5  G4 G3 G2 G1 */\
 774     "pshufw $0xA5, %%mm2, %%mm1 \n\t" /* B5 B4 B5 B4  B3 B2 B3 B2 */\
 775     "pshufw $0x55, %%mm4, %%mm3 \n\t" /* G4 G3 G4 G3  G4 G3 G4 G3 */\
 776     "pshufw $0xA5, %%mm5, %%mm6 \n\t" /* R5 R4 R5 R4  R3 R2 R3 R2 */\
 777 \
 778     "pand "MANGLE(ff_M24B)", %%mm1 \n\t" /* B5       B4        B3    */\
 779     "pand   %%mm7, %%mm3        \n\t" /*       G4        G3       */\
 780     "pand   %%mm0, %%mm6        \n\t" /*    R4        R3       R2 */\
 781 \
 782     "por    %%mm1, %%mm3        \n\t" /* B5    G4 B4     G3 B3    */\
 783     "por    %%mm3, %%mm6        \n\t"\
 784     MOVNTQ(%%mm6, 8(dst))\
 785 \
 786     "pshufw $0xFF, %%mm2, %%mm1 \n\t" /* B7 B6 B7 B6  B7 B6 B6 B7 */\
 787     "pshufw $0xFA, %%mm4, %%mm3 \n\t" /* 00 G7 00 G7  G6 G5 G6 G5 */\
 788     "pshufw $0xFA, %%mm5, %%mm6 \n\t" /* R7 R6 R7 R6  R5 R4 R5 R4 */\
 789 \
 790     "pand   %%mm7, %%mm1        \n\t" /*       B7        B6       */\
 791     "pand   %%mm0, %%mm3        \n\t" /*    G7        G6       G5 */\
 792     "pand "MANGLE(ff_M24B)", %%mm6 \n\t" /* R7       R6        R5    */\
 793 \
 794     "por    %%mm1, %%mm3        \n\t"\
 795     "por    %%mm3, %%mm6        \n\t"\
 796     MOVNTQ(%%mm6, 16(dst))\
 797 \
 798     "add      $24, "#dst"       \n\t"\
 799 \
 800     "add       $8, "#index"     \n\t"\
 801     "cmp  "#dstw", "#index"     \n\t"\
 802     " jb       1b               \n\t"
 803
 804 #if COMPILE_TEMPLATE_MMX2
 805 #undef WRITEBGR24
 806 #define WRITEBGR24(dst, dstw, index)  WRITEBGR24MMX2(dst, dstw, index)
 807 #else
 808 #undef WRITEBGR24
 809 #define WRITEBGR24(dst, dstw, index)  WRITEBGR24MMX(dst, dstw, index)
 810 #endif
 811
 812 #define REAL_WRITEYUY2(dst, dstw, index) \
 813     "packuswb  %%mm3, %%mm3     \n\t"\
 814     "packuswb  %%mm4, %%mm4     \n\t"\
 815     "packuswb  %%mm7, %%mm1     \n\t"\
 816     "punpcklbw %%mm4, %%mm3     \n\t"\
 817     "movq      %%mm1, %%mm7     \n\t"\
 818     "punpcklbw %%mm3, %%mm1     \n\t"\
 819     "punpckhbw %%mm3, %%mm7     \n\t"\
 820 \
 821     MOVNTQ(%%mm1, (dst, index, 2))\
 822     MOVNTQ(%%mm7, 8(dst, index, 2))\
 823 \
 824     "add          $8, "#index"  \n\t"\
 825     "cmp     "#dstw", "#index"  \n\t"\
 826     " jb          1b            \n\t"
 827 #define WRITEYUY2(dst, dstw, index)  REAL_WRITEYUY2(dst, dstw, index)
 828
 829
 830 static inline void RENAME(yuv2yuvX_ar)(SwsContext *c, const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
 831                                     const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize, const int16_t **alpSrc,
 832                                     uint8_t *dest, uint8_t *uDest, uint8_t *vDest, uint8_t *aDest, long dstW, long chrDstW)
 833 {
 834             if (uDest) {
 835                 YSCALEYUV2YV12X_ACCURATE(   "0", CHR_MMX_FILTER_OFFSET, uDest, chrDstW)
 836                 YSCALEYUV2YV12X_ACCURATE(AV_STRINGIFY(VOF), CHR_MMX_FILTER_OFFSET, vDest, chrDstW)
 837             }
 838             if (CONFIG_SWSCALE_ALPHA && aDest) {
 839                 YSCALEYUV2YV12X_ACCURATE(   "0", ALP_MMX_FILTER_OFFSET, aDest, dstW)
 840             }
 841
 842             YSCALEYUV2YV12X_ACCURATE("0", LUM_MMX_FILTER_OFFSET, dest, dstW)
 843 }
 844
 845 static inline void RENAME(yuv2yuvX)(SwsContext *c, const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
 846                                        const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize, const int16_t **alpSrc,
 847                                        uint8_t *dest, uint8_t *uDest, uint8_t *vDest, uint8_t *aDest, long dstW, long chrDstW)
 848 {
 849             if (uDest) {
 850                 YSCALEYUV2YV12X(   "0", CHR_MMX_FILTER_OFFSET, uDest, chrDstW)
 851                 YSCALEYUV2YV12X(AV_STRINGIFY(VOF), CHR_MMX_FILTER_OFFSET, vDest, chrDstW)
 852             }
 853             if (CONFIG_SWSCALE_ALPHA && aDest) {
 854                 YSCALEYUV2YV12X(   "0", ALP_MMX_FILTER_OFFSET, aDest, dstW)
 855             }
 856
 857             YSCALEYUV2YV12X("0", LUM_MMX_FILTER_OFFSET, dest, dstW)
 858 }
 859
 860 static inline void RENAME(yuv2yuv1_ar)(SwsContext *c, const int16_t *lumSrc, const int16_t *chrSrc, const int16_t *alpSrc,
 861                                     uint8_t *dest, uint8_t *uDest, uint8_t *vDest, uint8_t *aDest, long dstW, long chrDstW)
 862 {
 863         long p= 4;
 864         const uint8_t *src[4]= {alpSrc + dstW, lumSrc + dstW, chrSrc + chrDstW, chrSrc + VOFW + chrDstW};
 865         uint8_t *dst[4]= {aDest, dest, uDest, vDest};
 866         x86_reg counter[4]= {dstW, dstW, chrDstW, chrDstW};
 867
 868             while(p--) {
 869                 if (dst[p]) {
 870                     __asm__ volatile(
 871                         YSCALEYUV2YV121_ACCURATE
 872                         :: "r" (src[p]), "r" (dst[p] + counter[p]),
 873                         "g" (-counter[p])
 874                         : "%"REG_a
 875                     );
 876                 }
 877             }
 878 }
 879
 880 static inline void RENAME(yuv2yuv1)(SwsContext *c, const int16_t *lumSrc, const int16_t *chrSrc, const int16_t *alpSrc,
 881                                     uint8_t *dest, uint8_t *uDest, uint8_t *vDest, uint8_t *aDest, long dstW, long chrDstW)
 882 {
 883     long p= 4;
 884     const uint8_t *src[4]= {alpSrc + dstW, lumSrc + dstW, chrSrc + chrDstW, chrSrc + VOFW + chrDstW};
 885     uint8_t *dst[4]= {aDest, dest, uDest, vDest};
 886     x86_reg counter[4]= {dstW, dstW, chrDstW, chrDstW};
 887
 888             while(p--) {
 889                 if (dst[p]) {
 890                     __asm__ volatile(
 891                         YSCALEYUV2YV121
 892                         :: "r" (src[p]), "r" (dst[p] + counter[p]),
 893                         "g" (-counter[p])
 894                         : "%"REG_a
 895                     );
 896                 }
 897             }
 898 }
 899
 900
 901 /**
 902  * vertical scale YV12 to RGB
 903  */
 904 static inline void RENAME(yuv2rgb32_X_ar)(SwsContext *c, const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
 905                                        const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize,
 906                                        const int16_t **alpSrc, uint8_t *dest, long dstW, long dstY)
 907 {
 908     x86_reg dummy=0;
 909     x86_reg dstW_reg = dstW;
 910
 911                 if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) {
 912                     YSCALEYUV2PACKEDX_ACCURATE
 913                     YSCALEYUV2RGBX
 914                     "movq                      %%mm2, "U_TEMP"(%0)  \n\t"
 915                     "movq                      %%mm4, "V_TEMP"(%0)  \n\t"
 916                     "movq                      %%mm5, "Y_TEMP"(%0)  \n\t"
 917                     YSCALEYUV2PACKEDX_ACCURATE_YA(ALP_MMX_FILTER_OFFSET)
 918                     "movq               "Y_TEMP"(%0), %%mm5         \n\t"
 919                     "psraw                        $3, %%mm1         \n\t"
 920                     "psraw                        $3, %%mm7         \n\t"
 921                     "packuswb                  %%mm7, %%mm1         \n\t"
 922                     WRITEBGR32(%4, %5, %%REGa, %%mm3, %%mm4, %%mm5, %%mm1, %%mm0, %%mm7, %%mm2, %%mm6)
 923
 924                     YSCALEYUV2PACKEDX_END
 925                 } else {
 926                     YSCALEYUV2PACKEDX_ACCURATE
 927                     YSCALEYUV2RGBX
 928                     "pcmpeqd %%mm7, %%mm7 \n\t"
 929                     WRITEBGR32(%4, %5, %%REGa, %%mm2, %%mm4, %%mm5, %%mm7, %%mm0, %%mm1, %%mm3, %%mm6)
 930
 931                     YSCALEYUV2PACKEDX_END
 932                 }
 933 }
 934
 935 static inline void RENAME(yuv2bgr24_X_ar)(SwsContext *c, const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
 936                                           const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize,
 937                                           const int16_t **alpSrc, uint8_t *dest, long dstW, long dstY)
 938 {
 939     x86_reg dummy=0;
 940     x86_reg dstW_reg = dstW;
 941
 942                 YSCALEYUV2PACKEDX_ACCURATE
 943                 YSCALEYUV2RGBX
 944                 "pxor %%mm7, %%mm7 \n\t"
 945                 "lea (%%"REG_a", %%"REG_a", 2), %%"REG_c"\n\t" //FIXME optimize
 946                 "add %4, %%"REG_c"                        \n\t"
 947                 WRITEBGR24(%%REGc, %5, %%REGa)
 948
 949
 950                 :: "r" (&c->redDither),
 951                 "m" (dummy), "m" (dummy), "m" (dummy),
 952                 "r" (dest), "m" (dstW_reg)
 953                 : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S
 954                 );
 955 }
 956
 957
 958 static inline void RENAME(yuv2rgb555_X_ar)(SwsContext *c, const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
 959                                           const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize,
 960                                           const int16_t **alpSrc, uint8_t *dest, long dstW, long dstY)
 961 {
 962     x86_reg dummy=0;
 963     x86_reg dstW_reg = dstW;
 964
 965                 YSCALEYUV2PACKEDX_ACCURATE
 966                 YSCALEYUV2RGBX
 967                 "pxor %%mm7, %%mm7 \n\t"
 968                 /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
 969 #ifdef DITHER1XBPP
 970                 "paddusb "BLUE_DITHER"(%0), %%mm2\n\t"
 971                 "paddusb "GREEN_DITHER"(%0), %%mm4\n\t"
 972                 "paddusb "RED_DITHER"(%0), %%mm5\n\t"
 973 #endif
 974
 975                 WRITERGB15(%4, %5, %%REGa)
 976                 YSCALEYUV2PACKEDX_END
 977 }
 978
 979 static inline void RENAME(yuv2rgb565_X_ar)(SwsContext *c, const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
 980                                           const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize,
 981                                           const int16_t **alpSrc, uint8_t *dest, long dstW, long dstY)
 982 {
 983     x86_reg dummy=0;
 984     x86_reg dstW_reg = dstW;
 985
 986                 YSCALEYUV2PACKEDX_ACCURATE
 987                 YSCALEYUV2RGBX
 988                 "pxor %%mm7, %%mm7 \n\t"
 989                 /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
 990 #ifdef DITHER1XBPP
 991                 "paddusb "BLUE_DITHER"(%0), %%mm2\n\t"
 992                 "paddusb "GREEN_DITHER"(%0), %%mm4\n\t"
 993                 "paddusb "RED_DITHER"(%0), %%mm5\n\t"
 994 #endif
 995
 996                 WRITERGB16(%4, %5, %%REGa)
 997                 YSCALEYUV2PACKEDX_END
 998 }
 999
1000 static inline void RENAME(yuv2yuyv422_X_ar)(SwsContext *c, const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
1001                                           const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize,
1002                                           const int16_t **alpSrc, uint8_t *dest, long dstW, long dstY)
1003 {
1004     x86_reg dummy=0;
1005     x86_reg dstW_reg = dstW;
1006
1007                 YSCALEYUV2PACKEDX_ACCURATE
1008                 /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1009
1010                 "psraw $3, %%mm3    \n\t"
1011                 "psraw $3, %%mm4    \n\t"
1012                 "psraw $3, %%mm1    \n\t"
1013                 "psraw $3, %%mm7    \n\t"
1014                 WRITEYUY2(%4, %5, %%REGa)
1015                 YSCALEYUV2PACKEDX_END
1016 }
1017
1018 static inline void RENAME(yuv2rgb32_X)(SwsContext *c, const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
1019                                        const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize,
1020                                        const int16_t **alpSrc, uint8_t *dest, long dstW, long dstY)
1021 {
1022     x86_reg dummy=0;
1023     x86_reg dstW_reg = dstW;
1024
1025                 if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) {
1026                     YSCALEYUV2PACKEDX
1027                     YSCALEYUV2RGBX
1028                     YSCALEYUV2PACKEDX_YA(ALP_MMX_FILTER_OFFSET, %%mm0, %%mm3, %%mm6, %%mm1, %%mm7)
1029                     "psraw                        $3, %%mm1         \n\t"
1030                     "psraw                        $3, %%mm7         \n\t"
1031                     "packuswb                  %%mm7, %%mm1         \n\t"
1032                     WRITEBGR32(%4, %5, %%REGa, %%mm2, %%mm4, %%mm5, %%mm1, %%mm0, %%mm7, %%mm3, %%mm6)
1033                     YSCALEYUV2PACKEDX_END
1034                 } else {
1035                     YSCALEYUV2PACKEDX
1036                     YSCALEYUV2RGBX
1037                     "pcmpeqd %%mm7, %%mm7 \n\t"
1038                     WRITEBGR32(%4, %5, %%REGa, %%mm2, %%mm4, %%mm5, %%mm7, %%mm0, %%mm1, %%mm3, %%mm6)
1039                     YSCALEYUV2PACKEDX_END
1040                 }
1041 }
1042
1043 static inline void RENAME(yuv2bgr24_X)(SwsContext *c, const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
1044                                        const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize,
1045                                        const int16_t **alpSrc, uint8_t *dest, long dstW, long dstY)
1046 {
1047     x86_reg dummy=0;
1048     x86_reg dstW_reg = dstW;
1049
1050                 YSCALEYUV2PACKEDX
1051                 YSCALEYUV2RGBX
1052                 "pxor                    %%mm7, %%mm7       \n\t"
1053                 "lea (%%"REG_a", %%"REG_a", 2), %%"REG_c"   \n\t" //FIXME optimize
1054                 "add                        %4, %%"REG_c"   \n\t"
1055                 WRITEBGR24(%%REGc, %5, %%REGa)
1056
1057                 :: "r" (&c->redDither),
1058                 "m" (dummy), "m" (dummy), "m" (dummy),
1059                 "r" (dest),  "m" (dstW_reg)
1060                 : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S
1061                 );
1062 }
1063
1064 static inline void RENAME(yuv2rgb555_X)(SwsContext *c, const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
1065                                        const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize,
1066                                        const int16_t **alpSrc, uint8_t *dest, long dstW, long dstY)
1067 {
1068     x86_reg dummy=0;
1069     x86_reg dstW_reg = dstW;
1070
1071                 YSCALEYUV2PACKEDX
1072                 YSCALEYUV2RGBX
1073                 "pxor %%mm7, %%mm7 \n\t"
1074                 /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1075 #ifdef DITHER1XBPP
1076                 "paddusb "BLUE_DITHER"(%0), %%mm2  \n\t"
1077                 "paddusb "GREEN_DITHER"(%0), %%mm4  \n\t"
1078                 "paddusb "RED_DITHER"(%0), %%mm5  \n\t"
1079 #endif
1080
1081                 WRITERGB15(%4, %5, %%REGa)
1082                 YSCALEYUV2PACKEDX_END
1083 }
1084
1085 static inline void RENAME(yuv2rgb565_X)(SwsContext *c, const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
1086                                        const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize,
1087                                        const int16_t **alpSrc, uint8_t *dest, long dstW, long dstY)
1088 {
1089     x86_reg dummy=0;
1090     x86_reg dstW_reg = dstW;
1091
1092                 YSCALEYUV2PACKEDX
1093                 YSCALEYUV2RGBX
1094                 "pxor %%mm7, %%mm7 \n\t"
1095                 /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1096 #ifdef DITHER1XBPP
1097                 "paddusb "BLUE_DITHER"(%0), %%mm2  \n\t"
1098                 "paddusb "GREEN_DITHER"(%0), %%mm4  \n\t"
1099                 "paddusb "RED_DITHER"(%0), %%mm5  \n\t"
1100 #endif
1101
1102                 WRITERGB16(%4, %5, %%REGa)
1103                 YSCALEYUV2PACKEDX_END
1104 }
1105
1106 static inline void RENAME(yuv2yuyv422_X)(SwsContext *c, const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
1107                                        const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize,
1108                                        const int16_t **alpSrc, uint8_t *dest, long dstW, long dstY)
1109 {
1110     x86_reg dummy=0;
1111     x86_reg dstW_reg = dstW;
1112
1113                 YSCALEYUV2PACKEDX
1114                 /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1115
1116                 "psraw $3, %%mm3    \n\t"
1117                 "psraw $3, %%mm4    \n\t"
1118                 "psraw $3, %%mm1    \n\t"
1119                 "psraw $3, %%mm7    \n\t"
1120                 WRITEYUY2(%4, %5, %%REGa)
1121                 YSCALEYUV2PACKEDX_END
1122 }
1123
1124 /**
1125  * vertical bilinear scale YV12 to RGB
1126  */
1127 static inline void RENAME(yuv2rgb32_2)(SwsContext *c, const uint16_t *buf0, const uint16_t *buf1, const uint16_t *uvbuf0, const uint16_t *uvbuf1,
1128                           const uint16_t *abuf0, const uint16_t *abuf1, uint8_t *dest, int dstW, int yalpha, int uvalpha, int y)
1129 {
1130             if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) {
1131 #if ARCH_X86_64
1132                 __asm__ volatile(
1133                     YSCALEYUV2RGB(%%r8, %5)
1134                     YSCALEYUV2RGB_YA(%%r8, %5, %6, %7)
1135                     "psraw                  $3, %%mm1       \n\t" /* abuf0[eax] - abuf1[eax] >>7*/
1136                     "psraw                  $3, %%mm7       \n\t" /* abuf0[eax] - abuf1[eax] >>7*/
1137                     "packuswb            %%mm7, %%mm1       \n\t"
1138                     WRITEBGR32(%4, 8280(%5), %%r8, %%mm2, %%mm4, %%mm5, %%mm1, %%mm0, %%mm7, %%mm3, %%mm6)
1139
1140                     :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "r" (dest),
1141                     "a" (&c->redDither)
1142                     ,"r" (abuf0), "r" (abuf1)
1143                     : "%r8"
1144                 );
1145 #else
1146                 *(const uint16_t **)(&c->u_temp)=abuf0;
1147                 *(const uint16_t **)(&c->v_temp)=abuf1;
1148                 __asm__ volatile(
1149                     "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1150                     "mov        %4, %%"REG_b"               \n\t"
1151                     "push %%"REG_BP"                        \n\t"
1152                     YSCALEYUV2RGB(%%REGBP, %5)
1153                     "push                   %0              \n\t"
1154                     "push                   %1              \n\t"
1155                     "mov          "U_TEMP"(%5), %0          \n\t"
1156                     "mov          "V_TEMP"(%5), %1          \n\t"
1157                     YSCALEYUV2RGB_YA(%%REGBP, %5, %0, %1)
1158                     "psraw                  $3, %%mm1       \n\t" /* abuf0[eax] - abuf1[eax] >>7*/
1159                     "psraw                  $3, %%mm7       \n\t" /* abuf0[eax] - abuf1[eax] >>7*/
1160                     "packuswb            %%mm7, %%mm1       \n\t"
1161                     "pop                    %1              \n\t"
1162                     "pop                    %0              \n\t"
1163                     WRITEBGR32(%%REGb, 8280(%5), %%REGBP, %%mm2, %%mm4, %%mm5, %%mm1, %%mm0, %%mm7, %%mm3, %%mm6)
1164                     "pop %%"REG_BP"                         \n\t"
1165                     "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1166
1167                     :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1168                     "a" (&c->redDither)
1169                 );
1170 #endif
1171             } else {
1172                 __asm__ volatile(
1173                     "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1174                     "mov        %4, %%"REG_b"               \n\t"
1175                     "push %%"REG_BP"                        \n\t"
1176                     YSCALEYUV2RGB(%%REGBP, %5)
1177                     "pcmpeqd %%mm7, %%mm7                   \n\t"
1178                     WRITEBGR32(%%REGb, 8280(%5), %%REGBP, %%mm2, %%mm4, %%mm5, %%mm7, %%mm0, %%mm1, %%mm3, %%mm6)
1179                     "pop %%"REG_BP"                         \n\t"
1180                     "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1181
1182                     :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1183                     "a" (&c->redDither)
1184                 );
1185             }
1186 }
1187
1188 static inline void RENAME(yuv2bgr24_2)(SwsContext *c, const uint16_t *buf0, const uint16_t *buf1, const uint16_t *uvbuf0, const uint16_t *uvbuf1,
1189                                        const uint16_t *abuf0, const uint16_t *abuf1, uint8_t *dest, int dstW, int yalpha, int uvalpha, int y)
1190 {
1191             //Note 8280 == DSTW_OFFSET but the preprocessor can't handle that there :(
1192             __asm__ volatile(
1193                 "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1194                 "mov        %4, %%"REG_b"               \n\t"
1195                 "push %%"REG_BP"                        \n\t"
1196                 YSCALEYUV2RGB(%%REGBP, %5)
1197                 "pxor    %%mm7, %%mm7                   \n\t"
1198                 WRITEBGR24(%%REGb, 8280(%5), %%REGBP)
1199                 "pop %%"REG_BP"                         \n\t"
1200                 "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1201                 :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1202                 "a" (&c->redDither)
1203             );
1204 }
1205
1206 static inline void RENAME(yuv2rgb555_2)(SwsContext *c, const uint16_t *buf0, const uint16_t *buf1, const uint16_t *uvbuf0, const uint16_t *uvbuf1,
1207                                        const uint16_t *abuf0, const uint16_t *abuf1, uint8_t *dest, int dstW, int yalpha, int uvalpha, int y)
1208 {
1209             //Note 8280 == DSTW_OFFSET but the preprocessor can't handle that there :(
1210             __asm__ volatile(
1211                 "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1212                 "mov        %4, %%"REG_b"               \n\t"
1213                 "push %%"REG_BP"                        \n\t"
1214                 YSCALEYUV2RGB(%%REGBP, %5)
1215                 "pxor    %%mm7, %%mm7                   \n\t"
1216                 /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1217 #ifdef DITHER1XBPP
1218                 "paddusb "BLUE_DITHER"(%5), %%mm2      \n\t"
1219                 "paddusb "GREEN_DITHER"(%5), %%mm4      \n\t"
1220                 "paddusb "RED_DITHER"(%5), %%mm5      \n\t"
1221 #endif
1222
1223                 WRITERGB15(%%REGb, 8280(%5), %%REGBP)
1224                 "pop %%"REG_BP"                         \n\t"
1225                 "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1226
1227                 :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1228                 "a" (&c->redDither)
1229             );
1230 }
1231
1232 static inline void RENAME(yuv2rgb565_2)(SwsContext *c, const uint16_t *buf0, const uint16_t *buf1, const uint16_t *uvbuf0, const uint16_t *uvbuf1,
1233                                        const uint16_t *abuf0, const uint16_t *abuf1, uint8_t *dest, int dstW, int yalpha, int uvalpha, int y)
1234 {
1235             //Note 8280 == DSTW_OFFSET but the preprocessor can't handle that there :(
1236             __asm__ volatile(
1237                 "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1238                 "mov        %4, %%"REG_b"               \n\t"
1239                 "push %%"REG_BP"                        \n\t"
1240                 YSCALEYUV2RGB(%%REGBP, %5)
1241                 "pxor    %%mm7, %%mm7                   \n\t"
1242                 /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1243 #ifdef DITHER1XBPP
1244                 "paddusb "BLUE_DITHER"(%5), %%mm2      \n\t"
1245                 "paddusb "GREEN_DITHER"(%5), %%mm4      \n\t"
1246                 "paddusb "RED_DITHER"(%5), %%mm5      \n\t"
1247 #endif
1248
1249                 WRITERGB16(%%REGb, 8280(%5), %%REGBP)
1250                 "pop %%"REG_BP"                         \n\t"
1251                 "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1252                 :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1253                 "a" (&c->redDither)
1254             );
1255 }
1256
1257 static inline void RENAME(yuv2yuyv422_2)(SwsContext *c, const uint16_t *buf0, const uint16_t *buf1, const uint16_t *uvbuf0, const uint16_t *uvbuf1,
1258                                        const uint16_t *abuf0, const uint16_t *abuf1, uint8_t *dest, int dstW, int yalpha, int uvalpha, int y)
1259 {
1260             //Note 8280 == DSTW_OFFSET but the preprocessor can't handle that there :(
1261             __asm__ volatile(
1262                 "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1263                 "mov %4, %%"REG_b"                        \n\t"
1264                 "push %%"REG_BP"                        \n\t"
1265                 YSCALEYUV2PACKED(%%REGBP, %5)
1266                 WRITEYUY2(%%REGb, 8280(%5), %%REGBP)
1267                 "pop %%"REG_BP"                         \n\t"
1268                 "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1269                 :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1270                 "a" (&c->redDither)
1271             );
1272 }
1273
1274 /**
1275  * YV12 to RGB without scaling or interpolating
1276  */
1277 static inline void RENAME(yuv2rgb32_1)(SwsContext *c, const uint16_t *buf0, const uint16_t *uvbuf0, const uint16_t *uvbuf1,
1278                           const uint16_t *abuf0, uint8_t *dest, int dstW, int uvalpha, enum PixelFormat dstFormat, int flags, int y)
1279 {
1280         const uint16_t *buf1= buf0; //FIXME needed for RGB1/BGR1
1281
1282         if (uvalpha < 2048) { // note this is not correct (shifts chrominance by 0.5 pixels) but it is a bit faster
1283                 if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) {
1284                     __asm__ volatile(
1285                         "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1286                         "mov        %4, %%"REG_b"               \n\t"
1287                         "push %%"REG_BP"                        \n\t"
1288                         YSCALEYUV2RGB1(%%REGBP, %5)
1289                         YSCALEYUV2RGB1_ALPHA(%%REGBP)
1290                         WRITEBGR32(%%REGb, 8280(%5), %%REGBP, %%mm2, %%mm4, %%mm5, %%mm7, %%mm0, %%mm1, %%mm3, %%mm6)
1291                         "pop %%"REG_BP"                         \n\t"
1292                         "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1293
1294                         :: "c" (buf0), "d" (abuf0), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1295                         "a" (&c->redDither)
1296                     );
1297                 } else {
1298                     __asm__ volatile(
1299                         "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1300                         "mov        %4, %%"REG_b"               \n\t"
1301                         "push %%"REG_BP"                        \n\t"
1302                         YSCALEYUV2RGB1(%%REGBP, %5)
1303                         "pcmpeqd %%mm7, %%mm7                   \n\t"
1304                         WRITEBGR32(%%REGb, 8280(%5), %%REGBP, %%mm2, %%mm4, %%mm5, %%mm7, %%mm0, %%mm1, %%mm3, %%mm6)
1305                         "pop %%"REG_BP"                         \n\t"
1306                         "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1307
1308                         :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1309                         "a" (&c->redDither)
1310                     );
1311                 }
1312         } else {
1313                 if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) {
1314                     __asm__ volatile(
1315                         "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1316                         "mov        %4, %%"REG_b"               \n\t"
1317                         "push %%"REG_BP"                        \n\t"
1318                         YSCALEYUV2RGB1b(%%REGBP, %5)
1319                         YSCALEYUV2RGB1_ALPHA(%%REGBP)
1320                         WRITEBGR32(%%REGb, 8280(%5), %%REGBP, %%mm2, %%mm4, %%mm5, %%mm7, %%mm0, %%mm1, %%mm3, %%mm6)
1321                         "pop %%"REG_BP"                         \n\t"
1322                         "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1323
1324                         :: "c" (buf0), "d" (abuf0), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1325                         "a" (&c->redDither)
1326                     );
1327                 } else {
1328                     __asm__ volatile(
1329                         "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1330                         "mov        %4, %%"REG_b"               \n\t"
1331                         "push %%"REG_BP"                        \n\t"
1332                         YSCALEYUV2RGB1b(%%REGBP, %5)
1333                         "pcmpeqd %%mm7, %%mm7                   \n\t"
1334                         WRITEBGR32(%%REGb, 8280(%5), %%REGBP, %%mm2, %%mm4, %%mm5, %%mm7, %%mm0, %%mm1, %%mm3, %%mm6)
1335                         "pop %%"REG_BP"                         \n\t"
1336                         "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1337
1338                         :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1339                         "a" (&c->redDither)
1340                     );
1341                 }
1342         }
1343 }
1344
1345 static inline void RENAME(yuv2bgr24_1)(SwsContext *c, const uint16_t *buf0, const uint16_t *uvbuf0, const uint16_t *uvbuf1,
1346                                        const uint16_t *abuf0, uint8_t *dest, int dstW, int uvalpha, enum PixelFormat dstFormat, int flags, int y)
1347 {
1348         const uint16_t *buf1= buf0; //FIXME needed for RGB1/BGR1
1349
1350         if (uvalpha < 2048) { // note this is not correct (shifts chrominance by 0.5 pixels) but it is a bit faster
1351                 __asm__ volatile(
1352                     "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1353                     "mov        %4, %%"REG_b"               \n\t"
1354                     "push %%"REG_BP"                        \n\t"
1355                     YSCALEYUV2RGB1(%%REGBP, %5)
1356                     "pxor    %%mm7, %%mm7                   \n\t"
1357                     WRITEBGR24(%%REGb, 8280(%5), %%REGBP)
1358                     "pop %%"REG_BP"                         \n\t"
1359                     "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1360
1361                     :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1362                     "a" (&c->redDither)
1363                 );
1364         } else {
1365                 __asm__ volatile(
1366                     "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1367                     "mov        %4, %%"REG_b"               \n\t"
1368                     "push %%"REG_BP"                        \n\t"
1369                     YSCALEYUV2RGB1b(%%REGBP, %5)
1370                     "pxor    %%mm7, %%mm7                   \n\t"
1371                     WRITEBGR24(%%REGb, 8280(%5), %%REGBP)
1372                     "pop %%"REG_BP"                         \n\t"
1373                     "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1374
1375                     :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1376                     "a" (&c->redDither)
1377                 );
1378         }
1379 }
1380
1381 static inline void RENAME(yuv2rgb555_1)(SwsContext *c, const uint16_t *buf0, const uint16_t *uvbuf0, const uint16_t *uvbuf1,
1382                                        const uint16_t *abuf0, uint8_t *dest, int dstW, int uvalpha, enum PixelFormat dstFormat, int flags, int y)
1383 {
1384         const uint16_t *buf1= buf0; //FIXME needed for RGB1/BGR1
1385
1386         if (uvalpha < 2048) { // note this is not correct (shifts chrominance by 0.5 pixels) but it is a bit faster
1387                 __asm__ volatile(
1388                     "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1389                     "mov        %4, %%"REG_b"               \n\t"
1390                     "push %%"REG_BP"                        \n\t"
1391                     YSCALEYUV2RGB1(%%REGBP, %5)
1392                     "pxor    %%mm7, %%mm7                   \n\t"
1393                     /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1394 #ifdef DITHER1XBPP
1395                     "paddusb "BLUE_DITHER"(%5), %%mm2      \n\t"
1396                     "paddusb "GREEN_DITHER"(%5), %%mm4      \n\t"
1397                     "paddusb "RED_DITHER"(%5), %%mm5      \n\t"
1398 #endif
1399                     WRITERGB15(%%REGb, 8280(%5), %%REGBP)
1400                     "pop %%"REG_BP"                         \n\t"
1401                     "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1402
1403                     :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1404                     "a" (&c->redDither)
1405                 );
1406         } else {
1407                 __asm__ volatile(
1408                     "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1409                     "mov        %4, %%"REG_b"               \n\t"
1410                     "push %%"REG_BP"                        \n\t"
1411                     YSCALEYUV2RGB1b(%%REGBP, %5)
1412                     "pxor    %%mm7, %%mm7                   \n\t"
1413                     /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1414 #ifdef DITHER1XBPP
1415                     "paddusb "BLUE_DITHER"(%5), %%mm2      \n\t"
1416                     "paddusb "GREEN_DITHER"(%5), %%mm4      \n\t"
1417                     "paddusb "RED_DITHER"(%5), %%mm5      \n\t"
1418 #endif
1419                     WRITERGB15(%%REGb, 8280(%5), %%REGBP)
1420                     "pop %%"REG_BP"                         \n\t"
1421                     "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1422
1423                     :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1424                     "a" (&c->redDither)
1425                 );
1426         }
1427 }
1428
1429 static inline void RENAME(yuv2rgb565_1)(SwsContext *c, const uint16_t *buf0, const uint16_t *uvbuf0, const uint16_t *uvbuf1,
1430                                        const uint16_t *abuf0, uint8_t *dest, int dstW, int uvalpha, enum PixelFormat dstFormat, int flags, int y)
1431 {
1432         const uint16_t *buf1= buf0; //FIXME needed for RGB1/BGR1
1433
1434         if (uvalpha < 2048) { // note this is not correct (shifts chrominance by 0.5 pixels) but it is a bit faster
1435                 __asm__ volatile(
1436                     "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1437                     "mov        %4, %%"REG_b"               \n\t"
1438                     "push %%"REG_BP"                        \n\t"
1439                     YSCALEYUV2RGB1(%%REGBP, %5)
1440                     "pxor    %%mm7, %%mm7                   \n\t"
1441                     /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1442 #ifdef DITHER1XBPP
1443                     "paddusb "BLUE_DITHER"(%5), %%mm2      \n\t"
1444                     "paddusb "GREEN_DITHER"(%5), %%mm4      \n\t"
1445                     "paddusb "RED_DITHER"(%5), %%mm5      \n\t"
1446 #endif
1447
1448                     WRITERGB16(%%REGb, 8280(%5), %%REGBP)
1449                     "pop %%"REG_BP"                         \n\t"
1450                     "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1451
1452                     :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1453                     "a" (&c->redDither)
1454                 );
1455         } else {
1456                 __asm__ volatile(
1457                     "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1458                     "mov        %4, %%"REG_b"               \n\t"
1459                     "push %%"REG_BP"                        \n\t"
1460                     YSCALEYUV2RGB1b(%%REGBP, %5)
1461                     "pxor    %%mm7, %%mm7                   \n\t"
1462                     /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1463 #ifdef DITHER1XBPP
1464                     "paddusb "BLUE_DITHER"(%5), %%mm2      \n\t"
1465                     "paddusb "GREEN_DITHER"(%5), %%mm4      \n\t"
1466                     "paddusb "RED_DITHER"(%5), %%mm5      \n\t"
1467 #endif
1468
1469                     WRITERGB16(%%REGb, 8280(%5), %%REGBP)
1470                     "pop %%"REG_BP"                         \n\t"
1471                     "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1472
1473                     :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1474                     "a" (&c->redDither)
1475                 );
1476         }
1477 }
1478
1479 static inline void RENAME(yuv2yuyv422_1)(SwsContext *c, const uint16_t *buf0, const uint16_t *uvbuf0, const uint16_t *uvbuf1,
1480                                        const uint16_t *abuf0, uint8_t *dest, int dstW, int uvalpha, enum PixelFormat dstFormat, int flags, int y)
1481 {
1482         const uint16_t *buf1= buf0; //FIXME needed for RGB1/BGR1
1483
1484         if (uvalpha < 2048) { // note this is not correct (shifts chrominance by 0.5 pixels) but it is a bit faster
1485                 __asm__ volatile(
1486                     "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1487                     "mov        %4, %%"REG_b"               \n\t"
1488                     "push %%"REG_BP"                        \n\t"
1489                     YSCALEYUV2PACKED1(%%REGBP, %5)
1490                     WRITEYUY2(%%REGb, 8280(%5), %%REGBP)
1491                     "pop %%"REG_BP"                         \n\t"
1492                     "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1493
1494                     :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1495                     "a" (&c->redDither)
1496                 );
1497         } else {
1498                 __asm__ volatile(
1499                     "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1500                     "mov        %4, %%"REG_b"               \n\t"
1501                     "push %%"REG_BP"                        \n\t"
1502                     YSCALEYUV2PACKED1b(%%REGBP, %5)
1503                     WRITEYUY2(%%REGb, 8280(%5), %%REGBP)
1504                     "pop %%"REG_BP"                         \n\t"
1505                     "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1506
1507                     :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1508                     "a" (&c->redDither)
1509                 );
1510         }
1511 }
1512
1513 //FIXME yuy2* can read up to 7 samples too much
1514
1515 static inline void RENAME(yuy2ToY)(uint8_t *dst, const uint8_t *src, long width, uint32_t *unused)
1516 {
1517     __asm__ volatile(
1518         "movq "MANGLE(bm01010101)", %%mm2           \n\t"
1519         "mov                    %0, %%"REG_a"       \n\t"
1520         "1:                                         \n\t"
1521         "movq    (%1, %%"REG_a",2), %%mm0           \n\t"
1522         "movq   8(%1, %%"REG_a",2), %%mm1           \n\t"
1523         "pand                %%mm2, %%mm0           \n\t"
1524         "pand                %%mm2, %%mm1           \n\t"
1525         "packuswb            %%mm1, %%mm0           \n\t"
1526         "movq                %%mm0, (%2, %%"REG_a") \n\t"
1527         "add                    $8, %%"REG_a"       \n\t"
1528         " js                    1b                  \n\t"
1529         : : "g" ((x86_reg)-width), "r" (src+width*2), "r" (dst+width)
1530         : "%"REG_a
1531     );
1532 }
1533
1534 static inline void RENAME(yuy2ToUV)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1, const uint8_t *src2, long width, uint32_t *unused)
1535 {
1536     __asm__ volatile(
1537         "movq "MANGLE(bm01010101)", %%mm4           \n\t"
1538         "mov                    %0, %%"REG_a"       \n\t"
1539         "1:                                         \n\t"
1540         "movq    (%1, %%"REG_a",4), %%mm0           \n\t"
1541         "movq   8(%1, %%"REG_a",4), %%mm1           \n\t"
1542         "psrlw                  $8, %%mm0           \n\t"
1543         "psrlw                  $8, %%mm1           \n\t"
1544         "packuswb            %%mm1, %%mm0           \n\t"
1545         "movq                %%mm0, %%mm1           \n\t"
1546         "psrlw                  $8, %%mm0           \n\t"
1547         "pand                %%mm4, %%mm1           \n\t"
1548         "packuswb            %%mm0, %%mm0           \n\t"
1549         "packuswb            %%mm1, %%mm1           \n\t"
1550         "movd                %%mm0, (%3, %%"REG_a") \n\t"
1551         "movd                %%mm1, (%2, %%"REG_a") \n\t"
1552         "add                    $4, %%"REG_a"       \n\t"
1553         " js                    1b                  \n\t"
1554         : : "g" ((x86_reg)-width), "r" (src1+width*4), "r" (dstU+width), "r" (dstV+width)
1555         : "%"REG_a
1556     );
1557     assert(src1 == src2);
1558 }
1559
1560 static inline void RENAME(LEToUV)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1, const uint8_t *src2, long width, uint32_t *unused)
1561 {
1562     __asm__ volatile(
1563         "mov                    %0, %%"REG_a"       \n\t"
1564         "1:                                         \n\t"
1565         "movq    (%1, %%"REG_a",2), %%mm0           \n\t"
1566         "movq   8(%1, %%"REG_a",2), %%mm1           \n\t"
1567         "movq    (%2, %%"REG_a",2), %%mm2           \n\t"
1568         "movq   8(%2, %%"REG_a",2), %%mm3           \n\t"
1569         "psrlw                  $8, %%mm0           \n\t"
1570         "psrlw                  $8, %%mm1           \n\t"
1571         "psrlw                  $8, %%mm2           \n\t"
1572         "psrlw                  $8, %%mm3           \n\t"
1573         "packuswb            %%mm1, %%mm0           \n\t"
1574         "packuswb            %%mm3, %%mm2           \n\t"
1575         "movq                %%mm0, (%3, %%"REG_a") \n\t"
1576         "movq                %%mm2, (%4, %%"REG_a") \n\t"
1577         "add                    $8, %%"REG_a"       \n\t"
1578         " js                    1b                  \n\t"
1579         : : "g" ((x86_reg)-width), "r" (src1+width*2), "r" (src2+width*2), "r" (dstU+width), "r" (dstV+width)
1580         : "%"REG_a
1581     );
1582 }
1583
1584 /* This is almost identical to the previous, end exists only because
1585  * yuy2ToY/UV)(dst, src+1, ...) would have 100% unaligned accesses. */
1586 static inline void RENAME(uyvyToY)(uint8_t *dst, const uint8_t *src, long width, uint32_t *unused)
1587 {
1588     __asm__ volatile(
1589         "mov                  %0, %%"REG_a"         \n\t"
1590         "1:                                         \n\t"
1591         "movq  (%1, %%"REG_a",2), %%mm0             \n\t"
1592         "movq 8(%1, %%"REG_a",2), %%mm1             \n\t"
1593         "psrlw                $8, %%mm0             \n\t"
1594         "psrlw                $8, %%mm1             \n\t"
1595         "packuswb          %%mm1, %%mm0             \n\t"
1596         "movq              %%mm0, (%2, %%"REG_a")   \n\t"
1597         "add                  $8, %%"REG_a"         \n\t"
1598         " js                  1b                    \n\t"
1599         : : "g" ((x86_reg)-width), "r" (src+width*2), "r" (dst+width)
1600         : "%"REG_a
1601     );
1602 }
1603
1604 static inline void RENAME(uyvyToUV)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1, const uint8_t *src2, long width, uint32_t *unused)
1605 {
1606     __asm__ volatile(
1607         "movq "MANGLE(bm01010101)", %%mm4           \n\t"
1608         "mov                    %0, %%"REG_a"       \n\t"
1609         "1:                                         \n\t"
1610         "movq    (%1, %%"REG_a",4), %%mm0           \n\t"
1611         "movq   8(%1, %%"REG_a",4), %%mm1           \n\t"
1612         "pand                %%mm4, %%mm0           \n\t"
1613         "pand                %%mm4, %%mm1           \n\t"
1614         "packuswb            %%mm1, %%mm0           \n\t"
1615         "movq                %%mm0, %%mm1           \n\t"
1616         "psrlw                  $8, %%mm0           \n\t"
1617         "pand                %%mm4, %%mm1           \n\t"
1618         "packuswb            %%mm0, %%mm0           \n\t"
1619         "packuswb            %%mm1, %%mm1           \n\t"
1620         "movd                %%mm0, (%3, %%"REG_a") \n\t"
1621         "movd                %%mm1, (%2, %%"REG_a") \n\t"
1622         "add                    $4, %%"REG_a"       \n\t"
1623         " js                    1b                  \n\t"
1624         : : "g" ((x86_reg)-width), "r" (src1+width*4), "r" (dstU+width), "r" (dstV+width)
1625         : "%"REG_a
1626     );
1627     assert(src1 == src2);
1628 }
1629
1630 static inline void RENAME(BEToUV)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1, const uint8_t *src2, long width, uint32_t *unused)
1631 {
1632     __asm__ volatile(
1633         "movq "MANGLE(bm01010101)", %%mm4           \n\t"
1634         "mov                    %0, %%"REG_a"       \n\t"
1635         "1:                                         \n\t"
1636         "movq    (%1, %%"REG_a",2), %%mm0           \n\t"
1637         "movq   8(%1, %%"REG_a",2), %%mm1           \n\t"
1638         "movq    (%2, %%"REG_a",2), %%mm2           \n\t"
1639         "movq   8(%2, %%"REG_a",2), %%mm3           \n\t"
1640         "pand                %%mm4, %%mm0           \n\t"
1641         "pand                %%mm4, %%mm1           \n\t"
1642         "pand                %%mm4, %%mm2           \n\t"
1643         "pand                %%mm4, %%mm3           \n\t"
1644         "packuswb            %%mm1, %%mm0           \n\t"
1645         "packuswb            %%mm3, %%mm2           \n\t"
1646         "movq                %%mm0, (%3, %%"REG_a") \n\t"
1647         "movq                %%mm2, (%4, %%"REG_a") \n\t"
1648         "add                    $8, %%"REG_a"       \n\t"
1649         " js                    1b                  \n\t"
1650         : : "g" ((x86_reg)-width), "r" (src1+width*2), "r" (src2+width*2), "r" (dstU+width), "r" (dstV+width)
1651         : "%"REG_a
1652     );
1653 }
1654
1655 static inline void RENAME(nvXXtoUV)(uint8_t *dst1, uint8_t *dst2,
1656                                     const uint8_t *src, long width)
1657 {
1658     __asm__ volatile(
1659         "movq "MANGLE(bm01010101)", %%mm4           \n\t"
1660         "mov                    %0, %%"REG_a"       \n\t"
1661         "1:                                         \n\t"
1662         "movq    (%1, %%"REG_a",2), %%mm0           \n\t"
1663         "movq   8(%1, %%"REG_a",2), %%mm1           \n\t"
1664         "movq                %%mm0, %%mm2           \n\t"
1665         "movq                %%mm1, %%mm3           \n\t"
1666         "pand                %%mm4, %%mm0           \n\t"
1667         "pand                %%mm4, %%mm1           \n\t"
1668         "psrlw                  $8, %%mm2           \n\t"
1669         "psrlw                  $8, %%mm3           \n\t"
1670         "packuswb            %%mm1, %%mm0           \n\t"
1671         "packuswb            %%mm3, %%mm2           \n\t"
1672         "movq                %%mm0, (%2, %%"REG_a") \n\t"
1673         "movq                %%mm2, (%3, %%"REG_a") \n\t"
1674         "add                    $8, %%"REG_a"       \n\t"
1675         " js                    1b                  \n\t"
1676         : : "g" ((x86_reg)-width), "r" (src+width*2), "r" (dst1+width), "r" (dst2+width)
1677         : "%"REG_a
1678     );
1679 }
1680
1681 static inline void RENAME(nv12ToUV)(uint8_t *dstU, uint8_t *dstV,
1682                                     const uint8_t *src1, const uint8_t *src2,
1683                                     long width, uint32_t *unused)
1684 {
1685     RENAME(nvXXtoUV)(dstU, dstV, src1, width);
1686 }
1687
1688 static inline void RENAME(nv21ToUV)(uint8_t *dstU, uint8_t *dstV,
1689                                     const uint8_t *src1, const uint8_t *src2,
1690                                     long width, uint32_t *unused)
1691 {
1692     RENAME(nvXXtoUV)(dstV, dstU, src1, width);
1693 }
1694
1695 static inline void RENAME(bgr24ToY_mmx)(uint8_t *dst, const uint8_t *src, long width, enum PixelFormat srcFormat)
1696 {
1697
1698     if(srcFormat == PIX_FMT_BGR24) {
1699         __asm__ volatile(
1700             "movq  "MANGLE(ff_bgr24toY1Coeff)", %%mm5       \n\t"
1701             "movq  "MANGLE(ff_bgr24toY2Coeff)", %%mm6       \n\t"
1702             :
1703         );
1704     } else {
1705         __asm__ volatile(
1706             "movq  "MANGLE(ff_rgb24toY1Coeff)", %%mm5       \n\t"
1707             "movq  "MANGLE(ff_rgb24toY2Coeff)", %%mm6       \n\t"
1708             :
1709         );
1710     }
1711
1712     __asm__ volatile(
1713         "movq  "MANGLE(ff_bgr24toYOffset)", %%mm4   \n\t"
1714         "mov                        %2, %%"REG_a"   \n\t"
1715         "pxor                    %%mm7, %%mm7       \n\t"
1716         "1:                                         \n\t"
1717         PREFETCH"               64(%0)              \n\t"
1718         "movd                     (%0), %%mm0       \n\t"
1719         "movd                    2(%0), %%mm1       \n\t"
1720         "movd                    6(%0), %%mm2       \n\t"
1721         "movd                    8(%0), %%mm3       \n\t"
1722         "add                       $12, %0          \n\t"
1723         "punpcklbw               %%mm7, %%mm0       \n\t"
1724         "punpcklbw               %%mm7, %%mm1       \n\t"
1725         "punpcklbw               %%mm7, %%mm2       \n\t"
1726         "punpcklbw               %%mm7, %%mm3       \n\t"
1727         "pmaddwd                 %%mm5, %%mm0       \n\t"
1728         "pmaddwd                 %%mm6, %%mm1       \n\t"
1729         "pmaddwd                 %%mm5, %%mm2       \n\t"
1730         "pmaddwd                 %%mm6, %%mm3       \n\t"
1731         "paddd                   %%mm1, %%mm0       \n\t"
1732         "paddd                   %%mm3, %%mm2       \n\t"
1733         "paddd                   %%mm4, %%mm0       \n\t"
1734         "paddd                   %%mm4, %%mm2       \n\t"
1735         "psrad                     $15, %%mm0       \n\t"
1736         "psrad                     $15, %%mm2       \n\t"
1737         "packssdw                %%mm2, %%mm0       \n\t"
1738         "packuswb                %%mm0, %%mm0       \n\t"
1739         "movd                %%mm0, (%1, %%"REG_a") \n\t"
1740         "add                        $4, %%"REG_a"   \n\t"
1741         " js                        1b              \n\t"
1742     : "+r" (src)
1743     : "r" (dst+width), "g" ((x86_reg)-width)
1744     : "%"REG_a
1745     );
1746 }
1747
1748 static inline void RENAME(bgr24ToUV_mmx)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src, long width, enum PixelFormat srcFormat)
1749 {
1750     __asm__ volatile(
1751         "movq                    24(%4), %%mm6       \n\t"
1752         "mov                        %3, %%"REG_a"   \n\t"
1753         "pxor                    %%mm7, %%mm7       \n\t"
1754         "1:                                         \n\t"
1755         PREFETCH"               64(%0)              \n\t"
1756         "movd                     (%0), %%mm0       \n\t"
1757         "movd                    2(%0), %%mm1       \n\t"
1758         "punpcklbw               %%mm7, %%mm0       \n\t"
1759         "punpcklbw               %%mm7, %%mm1       \n\t"
1760         "movq                    %%mm0, %%mm2       \n\t"
1761         "movq                    %%mm1, %%mm3       \n\t"
1762         "pmaddwd                  (%4), %%mm0       \n\t"
1763         "pmaddwd                 8(%4), %%mm1       \n\t"
1764         "pmaddwd                16(%4), %%mm2       \n\t"
1765         "pmaddwd                 %%mm6, %%mm3       \n\t"
1766         "paddd                   %%mm1, %%mm0       \n\t"
1767         "paddd                   %%mm3, %%mm2       \n\t"
1768
1769         "movd                    6(%0), %%mm1       \n\t"
1770         "movd                    8(%0), %%mm3       \n\t"
1771         "add                       $12, %0          \n\t"
1772         "punpcklbw               %%mm7, %%mm1       \n\t"
1773         "punpcklbw               %%mm7, %%mm3       \n\t"
1774         "movq                    %%mm1, %%mm4       \n\t"
1775         "movq                    %%mm3, %%mm5       \n\t"
1776         "pmaddwd                  (%4), %%mm1       \n\t"
1777         "pmaddwd                 8(%4), %%mm3       \n\t"
1778         "pmaddwd                16(%4), %%mm4       \n\t"
1779         "pmaddwd                 %%mm6, %%mm5       \n\t"
1780         "paddd                   %%mm3, %%mm1       \n\t"
1781         "paddd                   %%mm5, %%mm4       \n\t"
1782
1783         "movq "MANGLE(ff_bgr24toUVOffset)", %%mm3       \n\t"
1784         "paddd                   %%mm3, %%mm0       \n\t"
1785         "paddd                   %%mm3, %%mm2       \n\t"
1786         "paddd                   %%mm3, %%mm1       \n\t"
1787         "paddd                   %%mm3, %%mm4       \n\t"
1788         "psrad                     $15, %%mm0       \n\t"
1789         "psrad                     $15, %%mm2       \n\t"
1790         "psrad                     $15, %%mm1       \n\t"
1791         "psrad                     $15, %%mm4       \n\t"
1792         "packssdw                %%mm1, %%mm0       \n\t"
1793         "packssdw                %%mm4, %%mm2       \n\t"
1794         "packuswb                %%mm0, %%mm0       \n\t"
1795         "packuswb                %%mm2, %%mm2       \n\t"
1796         "movd                %%mm0, (%1, %%"REG_a") \n\t"
1797         "movd                %%mm2, (%2, %%"REG_a") \n\t"
1798         "add                        $4, %%"REG_a"   \n\t"
1799         " js                        1b              \n\t"
1800     : "+r" (src)
1801     : "r" (dstU+width), "r" (dstV+width), "g" ((x86_reg)-width), "r"(ff_bgr24toUV[srcFormat == PIX_FMT_RGB24])
1802     : "%"REG_a
1803     );
1804 }
1805
1806 static inline void RENAME(bgr24ToY)(uint8_t *dst, const uint8_t *src, long width, uint32_t *unused)
1807 {
1808     RENAME(bgr24ToY_mmx)(dst, src, width, PIX_FMT_BGR24);
1809 }
1810
1811 static inline void RENAME(bgr24ToUV)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1, const uint8_t *src2, long width, uint32_t *unused)
1812 {
1813     RENAME(bgr24ToUV_mmx)(dstU, dstV, src1, width, PIX_FMT_BGR24);
1814     assert(src1 == src2);
1815 }
1816
1817 static inline void RENAME(rgb24ToY)(uint8_t *dst, const uint8_t *src, long width, uint32_t *unused)
1818 {
1819     RENAME(bgr24ToY_mmx)(dst, src, width, PIX_FMT_RGB24);
1820 }
1821
1822 static inline void RENAME(rgb24ToUV)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1, const uint8_t *src2, long width, uint32_t *unused)
1823 {
1824     assert(src1==src2);
1825     RENAME(bgr24ToUV_mmx)(dstU, dstV, src1, width, PIX_FMT_RGB24);
1826 }
1827
1828
1829 // bilinear / bicubic scaling
1830 static inline void RENAME(hScale)(int16_t *dst, int dstW, const uint8_t *src, int srcW, int xInc,
1831                                   const int16_t *filter, const int16_t *filterPos, long filterSize)
1832 {
1833     assert(filterSize % 4 == 0 && filterSize>0);
1834     if (filterSize==4) { // Always true for upscaling, sometimes for down, too.
1835         x86_reg counter= -2*dstW;
1836         filter-= counter*2;
1837         filterPos-= counter/2;
1838         dst-= counter/2;
1839         __asm__ volatile(
1840 #if defined(PIC)
1841             "push            %%"REG_b"              \n\t"
1842 #endif
1843             "pxor                %%mm7, %%mm7       \n\t"
1844             "push           %%"REG_BP"              \n\t" // we use 7 regs here ...
1845             "mov             %%"REG_a", %%"REG_BP"  \n\t"
1846             ".p2align                4              \n\t"
1847             "1:                                     \n\t"
1848             "movzwl   (%2, %%"REG_BP"), %%eax       \n\t"
1849             "movzwl  2(%2, %%"REG_BP"), %%ebx       \n\t"
1850             "movq  (%1, %%"REG_BP", 4), %%mm1       \n\t"
1851             "movq 8(%1, %%"REG_BP", 4), %%mm3       \n\t"
1852             "movd      (%3, %%"REG_a"), %%mm0       \n\t"
1853             "movd      (%3, %%"REG_b"), %%mm2       \n\t"
1854             "punpcklbw           %%mm7, %%mm0       \n\t"
1855             "punpcklbw           %%mm7, %%mm2       \n\t"
1856             "pmaddwd             %%mm1, %%mm0       \n\t"
1857             "pmaddwd             %%mm2, %%mm3       \n\t"
1858             "movq                %%mm0, %%mm4       \n\t"
1859             "punpckldq           %%mm3, %%mm0       \n\t"
1860             "punpckhdq           %%mm3, %%mm4       \n\t"
1861             "paddd               %%mm4, %%mm0       \n\t"
1862             "psrad                  $7, %%mm0       \n\t"
1863             "packssdw            %%mm0, %%mm0       \n\t"
1864             "movd                %%mm0, (%4, %%"REG_BP")    \n\t"
1865             "add                    $4, %%"REG_BP"  \n\t"
1866             " jnc                   1b              \n\t"
1867
1868             "pop            %%"REG_BP"              \n\t"
1869 #if defined(PIC)
1870             "pop             %%"REG_b"              \n\t"
1871 #endif
1872             : "+a" (counter)
1873             : "c" (filter), "d" (filterPos), "S" (src), "D" (dst)
1874 #if !defined(PIC)
1875             : "%"REG_b
1876 #endif
1877         );
1878     } else if (filterSize==8) {
1879         x86_reg counter= -2*dstW;
1880         filter-= counter*4;
1881         filterPos-= counter/2;
1882         dst-= counter/2;
1883         __asm__ volatile(
1884 #if defined(PIC)
1885             "push             %%"REG_b"             \n\t"
1886 #endif
1887             "pxor                 %%mm7, %%mm7      \n\t"
1888             "push            %%"REG_BP"             \n\t" // we use 7 regs here ...
1889             "mov              %%"REG_a", %%"REG_BP" \n\t"
1890             ".p2align                 4             \n\t"
1891             "1:                                     \n\t"
1892             "movzwl    (%2, %%"REG_BP"), %%eax      \n\t"
1893             "movzwl   2(%2, %%"REG_BP"), %%ebx      \n\t"
1894             "movq   (%1, %%"REG_BP", 8), %%mm1      \n\t"
1895             "movq 16(%1, %%"REG_BP", 8), %%mm3      \n\t"
1896             "movd       (%3, %%"REG_a"), %%mm0      \n\t"
1897             "movd       (%3, %%"REG_b"), %%mm2      \n\t"
1898             "punpcklbw            %%mm7, %%mm0      \n\t"
1899             "punpcklbw            %%mm7, %%mm2      \n\t"
1900             "pmaddwd              %%mm1, %%mm0      \n\t"
1901             "pmaddwd              %%mm2, %%mm3      \n\t"
1902
1903             "movq  8(%1, %%"REG_BP", 8), %%mm1      \n\t"
1904             "movq 24(%1, %%"REG_BP", 8), %%mm5      \n\t"
1905             "movd      4(%3, %%"REG_a"), %%mm4      \n\t"
1906             "movd      4(%3, %%"REG_b"), %%mm2      \n\t"
1907             "punpcklbw            %%mm7, %%mm4      \n\t"
1908             "punpcklbw            %%mm7, %%mm2      \n\t"
1909             "pmaddwd              %%mm1, %%mm4      \n\t"
1910             "pmaddwd              %%mm2, %%mm5      \n\t"
1911             "paddd                %%mm4, %%mm0      \n\t"
1912             "paddd                %%mm5, %%mm3      \n\t"
1913             "movq                 %%mm0, %%mm4      \n\t"
1914             "punpckldq            %%mm3, %%mm0      \n\t"
1915             "punpckhdq            %%mm3, %%mm4      \n\t"
1916             "paddd                %%mm4, %%mm0      \n\t"
1917             "psrad                   $7, %%mm0      \n\t"
1918             "packssdw             %%mm0, %%mm0      \n\t"
1919             "movd                 %%mm0, (%4, %%"REG_BP")   \n\t"
1920             "add                     $4, %%"REG_BP" \n\t"
1921             " jnc                    1b             \n\t"
1922
1923             "pop             %%"REG_BP"             \n\t"
1924 #if defined(PIC)
1925             "pop              %%"REG_b"             \n\t"
1926 #endif
1927             : "+a" (counter)
1928             : "c" (filter), "d" (filterPos), "S" (src), "D" (dst)
1929 #if !defined(PIC)
1930             : "%"REG_b
1931 #endif
1932         );
1933     } else {
1934         const uint8_t *offset = src+filterSize;
1935         x86_reg counter= -2*dstW;
1936         //filter-= counter*filterSize/2;
1937         filterPos-= counter/2;
1938         dst-= counter/2;
1939         __asm__ volatile(
1940             "pxor                  %%mm7, %%mm7     \n\t"
1941             ".p2align                  4            \n\t"
1942             "1:                                     \n\t"
1943             "mov                      %2, %%"REG_c" \n\t"
1944             "movzwl      (%%"REG_c", %0), %%eax     \n\t"
1945             "movzwl     2(%%"REG_c", %0), %%edx     \n\t"
1946             "mov                      %5, %%"REG_c" \n\t"
1947             "pxor                  %%mm4, %%mm4     \n\t"
1948             "pxor                  %%mm5, %%mm5     \n\t"
1949             "2:                                     \n\t"
1950             "movq                   (%1), %%mm1     \n\t"
1951             "movq               (%1, %6), %%mm3     \n\t"
1952             "movd (%%"REG_c", %%"REG_a"), %%mm0     \n\t"
1953             "movd (%%"REG_c", %%"REG_d"), %%mm2     \n\t"
1954             "punpcklbw             %%mm7, %%mm0     \n\t"
1955             "punpcklbw             %%mm7, %%mm2     \n\t"
1956             "pmaddwd               %%mm1, %%mm0     \n\t"
1957             "pmaddwd               %%mm2, %%mm3     \n\t"
1958             "paddd                 %%mm3, %%mm5     \n\t"
1959             "paddd                 %%mm0, %%mm4     \n\t"
1960             "add                      $8, %1        \n\t"
1961             "add                      $4, %%"REG_c" \n\t"
1962             "cmp                      %4, %%"REG_c" \n\t"
1963             " jb                      2b            \n\t"
1964             "add                      %6, %1        \n\t"
1965             "movq                  %%mm4, %%mm0     \n\t"
1966             "punpckldq             %%mm5, %%mm4     \n\t"
1967             "punpckhdq             %%mm5, %%mm0     \n\t"
1968             "paddd                 %%mm0, %%mm4     \n\t"
1969             "psrad                    $7, %%mm4     \n\t"
1970             "packssdw              %%mm4, %%mm4     \n\t"
1971             "mov                      %3, %%"REG_a" \n\t"
1972             "movd                  %%mm4, (%%"REG_a", %0)   \n\t"
1973             "add                      $4, %0        \n\t"
1974             " jnc                     1b            \n\t"
1975
1976             : "+r" (counter), "+r" (filter)
1977             : "m" (filterPos), "m" (dst), "m"(offset),
1978             "m" (src), "r" ((x86_reg)filterSize*2)
1979             : "%"REG_a, "%"REG_c, "%"REG_d
1980         );
1981     }
1982 }
1983
1984 #if COMPILE_TEMPLATE_MMX2
1985 static inline void RENAME(hyscale_fast)(SwsContext *c, int16_t *dst,
1986                                         long dstWidth, const uint8_t *src, int srcW,
1987                                         int xInc)
1988 {
1989     int32_t *filterPos = c->hLumFilterPos;
1990     int16_t *filter    = c->hLumFilter;
1991     int     canMMX2BeUsed  = c->canMMX2BeUsed;
1992     void    *mmx2FilterCode= c->lumMmx2FilterCode;
1993     int i;
1994 #if defined(PIC)
1995     DECLARE_ALIGNED(8, uint64_t, ebxsave);
1996 #endif
1997
1998         __asm__ volatile(
1999 #if defined(PIC)
2000             "mov               %%"REG_b", %5        \n\t"
2001 #endif
2002             "pxor                  %%mm7, %%mm7     \n\t"
2003             "mov                      %0, %%"REG_c" \n\t"
2004             "mov                      %1, %%"REG_D" \n\t"
2005             "mov                      %2, %%"REG_d" \n\t"
2006             "mov                      %3, %%"REG_b" \n\t"
2007             "xor               %%"REG_a", %%"REG_a" \n\t" // i
2008             PREFETCH"        (%%"REG_c")            \n\t"
2009             PREFETCH"      32(%%"REG_c")            \n\t"
2010             PREFETCH"      64(%%"REG_c")            \n\t"
2011
2012 #if ARCH_X86_64
2013
2014 #define CALL_MMX2_FILTER_CODE \
2015             "movl            (%%"REG_b"), %%esi     \n\t"\
2016             "call                    *%4            \n\t"\
2017             "movl (%%"REG_b", %%"REG_a"), %%esi     \n\t"\
2018             "add               %%"REG_S", %%"REG_c" \n\t"\
2019             "add               %%"REG_a", %%"REG_D" \n\t"\
2020             "xor               %%"REG_a", %%"REG_a" \n\t"\
2021
2022 #else
2023
2024 #define CALL_MMX2_FILTER_CODE \
2025             "movl (%%"REG_b"), %%esi        \n\t"\
2026             "call         *%4                       \n\t"\
2027             "addl (%%"REG_b", %%"REG_a"), %%"REG_c" \n\t"\
2028             "add               %%"REG_a", %%"REG_D" \n\t"\
2029             "xor               %%"REG_a", %%"REG_a" \n\t"\
2030
2031 #endif /* ARCH_X86_64 */
2032
2033             CALL_MMX2_FILTER_CODE
2034             CALL_MMX2_FILTER_CODE
2035             CALL_MMX2_FILTER_CODE
2036             CALL_MMX2_FILTER_CODE
2037             CALL_MMX2_FILTER_CODE
2038             CALL_MMX2_FILTER_CODE
2039             CALL_MMX2_FILTER_CODE
2040             CALL_MMX2_FILTER_CODE
2041
2042 #if defined(PIC)
2043             "mov                      %5, %%"REG_b" \n\t"
2044 #endif
2045             :: "m" (src), "m" (dst), "m" (filter), "m" (filterPos),
2046             "m" (mmx2FilterCode)
2047 #if defined(PIC)
2048             ,"m" (ebxsave)
2049 #endif
2050             : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S, "%"REG_D
2051 #if !defined(PIC)
2052             ,"%"REG_b
2053 #endif
2054         );
2055         for (i=dstWidth-1; (i*xInc)>>16 >=srcW-1; i--) dst[i] = src[srcW-1]*128;
2056 }
2057
2058 static inline void RENAME(hcscale_fast)(SwsContext *c, int16_t *dst,
2059                                         long dstWidth, const uint8_t *src1,
2060                                         const uint8_t *src2, int srcW, int xInc)
2061 {
2062     int32_t *filterPos = c->hChrFilterPos;
2063     int16_t *filter    = c->hChrFilter;
2064     int     canMMX2BeUsed  = c->canMMX2BeUsed;
2065     void    *mmx2FilterCode= c->chrMmx2FilterCode;
2066     int i;
2067 #if defined(PIC)
2068     DECLARE_ALIGNED(8, uint64_t, ebxsave);
2069 #endif
2070
2071         __asm__ volatile(
2072 #if defined(PIC)
2073             "mov          %%"REG_b", %6         \n\t"
2074 #endif
2075             "pxor             %%mm7, %%mm7      \n\t"
2076             "mov                 %0, %%"REG_c"  \n\t"
2077             "mov                 %1, %%"REG_D"  \n\t"
2078             "mov                 %2, %%"REG_d"  \n\t"
2079             "mov                 %3, %%"REG_b"  \n\t"
2080             "xor          %%"REG_a", %%"REG_a"  \n\t" // i
2081             PREFETCH"   (%%"REG_c")             \n\t"
2082             PREFETCH" 32(%%"REG_c")             \n\t"
2083             PREFETCH" 64(%%"REG_c")             \n\t"
2084
2085             CALL_MMX2_FILTER_CODE
2086             CALL_MMX2_FILTER_CODE
2087             CALL_MMX2_FILTER_CODE
2088             CALL_MMX2_FILTER_CODE
2089             "xor          %%"REG_a", %%"REG_a"  \n\t" // i
2090             "mov                 %5, %%"REG_c"  \n\t" // src
2091             "mov                 %1, %%"REG_D"  \n\t" // buf1
2092             "add              $"AV_STRINGIFY(VOF)", %%"REG_D"  \n\t"
2093             PREFETCH"   (%%"REG_c")             \n\t"
2094             PREFETCH" 32(%%"REG_c")             \n\t"
2095             PREFETCH" 64(%%"REG_c")             \n\t"
2096
2097             CALL_MMX2_FILTER_CODE
2098             CALL_MMX2_FILTER_CODE
2099             CALL_MMX2_FILTER_CODE
2100             CALL_MMX2_FILTER_CODE
2101
2102 #if defined(PIC)
2103             "mov %6, %%"REG_b"    \n\t"
2104 #endif
2105             :: "m" (src1), "m" (dst), "m" (filter), "m" (filterPos),
2106             "m" (mmx2FilterCode), "m" (src2)
2107 #if defined(PIC)
2108             ,"m" (ebxsave)
2109 #endif
2110             : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S, "%"REG_D
2111 #if !defined(PIC)
2112             ,"%"REG_b
2113 #endif
2114         );
2115         for (i=dstWidth-1; (i*xInc)>>16 >=srcW-1; i--) {
2116             dst[i] = src1[srcW-1]*128;
2117             dst[i+VOFW] = src2[srcW-1]*128;
2118         }
2119 }
2120 #endif /* COMPILE_TEMPLATE_MMX2 */
2121
2122 #if !COMPILE_TEMPLATE_MMX2
2123 static void updateMMXDitherTables(SwsContext *c, int dstY, int lumBufIndex, int chrBufIndex,
2124                                   int lastInLumBuf, int lastInChrBuf)
2125 {
2126     const int dstH= c->dstH;
2127     const int flags= c->flags;
2128     int16_t **lumPixBuf= c->lumPixBuf;
2129     int16_t **chrPixBuf= c->chrPixBuf;
2130     int16_t **alpPixBuf= c->alpPixBuf;
2131     const int vLumBufSize= c->vLumBufSize;
2132     const int vChrBufSize= c->vChrBufSize;
2133     int16_t *vLumFilterPos= c->vLumFilterPos;
2134     int16_t *vChrFilterPos= c->vChrFilterPos;
2135     int16_t *vLumFilter= c->vLumFilter;
2136     int16_t *vChrFilter= c->vChrFilter;
2137     int32_t *lumMmxFilter= c->lumMmxFilter;
2138     int32_t *chrMmxFilter= c->chrMmxFilter;
2139     int32_t av_unused *alpMmxFilter= c->alpMmxFilter;
2140     const int vLumFilterSize= c->vLumFilterSize;
2141     const int vChrFilterSize= c->vChrFilterSize;
2142     const int chrDstY= dstY>>c->chrDstVSubSample;
2143     const int firstLumSrcY= vLumFilterPos[dstY]; //First line needed as input
2144     const int firstChrSrcY= vChrFilterPos[chrDstY]; //First line needed as input
2145
2146         c->blueDither= ff_dither8[dstY&1];
2147         if (c->dstFormat == PIX_FMT_RGB555 || c->dstFormat == PIX_FMT_BGR555)
2148             c->greenDither= ff_dither8[dstY&1];
2149         else
2150             c->greenDither= ff_dither4[dstY&1];
2151         c->redDither= ff_dither8[(dstY+1)&1];
2152         if (dstY < dstH - 2) {
2153             const int16_t **lumSrcPtr= (const int16_t **) lumPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize;
2154             const int16_t **chrSrcPtr= (const int16_t **) chrPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize;
2155             const int16_t **alpSrcPtr= (CONFIG_SWSCALE_ALPHA && alpPixBuf) ? (const int16_t **) alpPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize : NULL;
2156             int i;
2157             if (flags & SWS_ACCURATE_RND) {
2158                 int s= APCK_SIZE / 8;
2159                 for (i=0; i<vLumFilterSize; i+=2) {
2160                     *(const void**)&lumMmxFilter[s*i              ]= lumSrcPtr[i  ];
2161                     *(const void**)&lumMmxFilter[s*i+APCK_PTR2/4  ]= lumSrcPtr[i+(vLumFilterSize>1)];
2162                               lumMmxFilter[s*i+APCK_COEF/4  ]=
2163                               lumMmxFilter[s*i+APCK_COEF/4+1]= vLumFilter[dstY*vLumFilterSize + i    ]
2164                         + (vLumFilterSize>1 ? vLumFilter[dstY*vLumFilterSize + i + 1]<<16 : 0);
2165                     if (CONFIG_SWSCALE_ALPHA && alpPixBuf) {
2166                         *(const void**)&alpMmxFilter[s*i              ]= alpSrcPtr[i  ];
2167                         *(const void**)&alpMmxFilter[s*i+APCK_PTR2/4  ]= alpSrcPtr[i+(vLumFilterSize>1)];
2168                                   alpMmxFilter[s*i+APCK_COEF/4  ]=
2169                                   alpMmxFilter[s*i+APCK_COEF/4+1]= lumMmxFilter[s*i+APCK_COEF/4  ];
2170                     }
2171                 }
2172                 for (i=0; i<vChrFilterSize; i+=2) {
2173                     *(const void**)&chrMmxFilter[s*i              ]= chrSrcPtr[i  ];
2174                     *(const void**)&chrMmxFilter[s*i+APCK_PTR2/4  ]= chrSrcPtr[i+(vChrFilterSize>1)];
2175                               chrMmxFilter[s*i+APCK_COEF/4  ]=
2176                               chrMmxFilter[s*i+APCK_COEF/4+1]= vChrFilter[chrDstY*vChrFilterSize + i    ]
2177                         + (vChrFilterSize>1 ? vChrFilter[chrDstY*vChrFilterSize + i + 1]<<16 : 0);
2178                 }
2179             } else {
2180                 for (i=0; i<vLumFilterSize; i++) {
2181                     lumMmxFilter[4*i+0]= (int32_t)lumSrcPtr[i];
2182                     lumMmxFilter[4*i+1]= (uint64_t)lumSrcPtr[i] >> 32;
2183                     lumMmxFilter[4*i+2]=
2184                     lumMmxFilter[4*i+3]=
2185                         ((uint16_t)vLumFilter[dstY*vLumFilterSize + i])*0x10001;
2186                     if (CONFIG_SWSCALE_ALPHA && alpPixBuf) {
2187                         alpMmxFilter[4*i+0]= (int32_t)alpSrcPtr[i];
2188                         alpMmxFilter[4*i+1]= (uint64_t)alpSrcPtr[i] >> 32;
2189                         alpMmxFilter[4*i+2]=
2190                         alpMmxFilter[4*i+3]= lumMmxFilter[4*i+2];
2191                     }
2192                 }
2193                 for (i=0; i<vChrFilterSize; i++) {
2194                     chrMmxFilter[4*i+0]= (int32_t)chrSrcPtr[i];
2195                     chrMmxFilter[4*i+1]= (uint64_t)chrSrcPtr[i] >> 32;
2196                     chrMmxFilter[4*i+2]=
2197                     chrMmxFilter[4*i+3]=
2198                         ((uint16_t)vChrFilter[chrDstY*vChrFilterSize + i])*0x10001;
2199                 }
2200             }
2201         }
2202 }
2203 #endif /* !COMPILE_TEMPLATE_MMX2 */
2204
2205 static void RENAME(sws_init_swScale)(SwsContext *c)
2206 {
2207     enum PixelFormat srcFormat = c->srcFormat;
2208
2209     if (!(c->flags & SWS_BITEXACT)) {
2210         if (c->flags & SWS_ACCURATE_RND) {
2211             c->yuv2yuv1     = RENAME(yuv2yuv1_ar    );
2212             c->yuv2yuvX     = RENAME(yuv2yuvX_ar    );
2213             switch (c->dstFormat) {
2214             case PIX_FMT_RGB32:   c->yuv2packedX = RENAME(yuv2rgb32_X_ar);   break;
2215             case PIX_FMT_BGR24:   c->yuv2packedX = RENAME(yuv2bgr24_X_ar);   break;
2216             case PIX_FMT_RGB555:  c->yuv2packedX = RENAME(yuv2rgb555_X_ar);  break;
2217             case PIX_FMT_RGB565:  c->yuv2packedX = RENAME(yuv2rgb565_X_ar);  break;
2218             case PIX_FMT_YUYV422: c->yuv2packedX = RENAME(yuv2yuyv422_X_ar); break;
2219             default: break;
2220             }
2221         } else {
2222             c->yuv2yuv1     = RENAME(yuv2yuv1    );
2223             c->yuv2yuvX     = RENAME(yuv2yuvX    );
2224             switch (c->dstFormat) {
2225             case PIX_FMT_RGB32:   c->yuv2packedX = RENAME(yuv2rgb32_X);   break;
2226             case PIX_FMT_BGR24:   c->yuv2packedX = RENAME(yuv2bgr24_X);   break;
2227             case PIX_FMT_RGB555:  c->yuv2packedX = RENAME(yuv2rgb555_X);  break;
2228             case PIX_FMT_RGB565:  c->yuv2packedX = RENAME(yuv2rgb565_X);  break;
2229             case PIX_FMT_YUYV422: c->yuv2packedX = RENAME(yuv2yuyv422_X); break;
2230             default: break;
2231             }
2232         }
2233         switch (c->dstFormat) {
2234         case PIX_FMT_RGB32:
2235                 c->yuv2packed1 = RENAME(yuv2rgb32_1);
2236                 c->yuv2packed2 = RENAME(yuv2rgb32_2);
2237                 break;
2238         case PIX_FMT_BGR24:
2239                 c->yuv2packed1 = RENAME(yuv2bgr24_1);
2240                 c->yuv2packed2 = RENAME(yuv2bgr24_2);
2241                 break;
2242         case PIX_FMT_RGB555:
2243                 c->yuv2packed1 = RENAME(yuv2rgb555_1);
2244                 c->yuv2packed2 = RENAME(yuv2rgb555_2);
2245                 break;
2246         case PIX_FMT_RGB565:
2247                 c->yuv2packed1 = RENAME(yuv2rgb565_1);
2248                 c->yuv2packed2 = RENAME(yuv2rgb565_2);
2249                 break;
2250         case PIX_FMT_YUYV422:
2251                 c->yuv2packed1 = RENAME(yuv2yuyv422_1);
2252                 c->yuv2packed2 = RENAME(yuv2yuyv422_2);
2253                 break;
2254         default:
2255                 break;
2256         }
2257     }
2258
2259     c->hScale       = RENAME(hScale      );
2260
2261     // Use the new MMX scaler if the MMX2 one can't be used (it is faster than the x86 ASM one).
2262 #if COMPILE_TEMPLATE_MMX2
2263     if (c->flags & SWS_FAST_BILINEAR && c->canMMX2BeUsed)
2264     {
2265         c->hyscale_fast = RENAME(hyscale_fast);
2266         c->hcscale_fast = RENAME(hcscale_fast);
2267     } else {
2268 #endif /* COMPILE_TEMPLATE_MMX2 */
2269         c->hyscale_fast = NULL;
2270         c->hcscale_fast = NULL;
2271 #if COMPILE_TEMPLATE_MMX2
2272     }
2273 #endif /* COMPILE_TEMPLATE_MMX2 */
2274
2275     switch(srcFormat) {
2276         case PIX_FMT_YUYV422  : c->chrToYV12 = RENAME(yuy2ToUV); break;
2277         case PIX_FMT_UYVY422  : c->chrToYV12 = RENAME(uyvyToUV); break;
2278         case PIX_FMT_NV12     : c->chrToYV12 = RENAME(nv12ToUV); break;
2279         case PIX_FMT_NV21     : c->chrToYV12 = RENAME(nv21ToUV); break;
2280         case PIX_FMT_YUV420P16BE:
2281         case PIX_FMT_YUV422P16BE:
2282         case PIX_FMT_YUV444P16BE: c->chrToYV12 = RENAME(BEToUV); break;
2283         case PIX_FMT_YUV420P16LE:
2284         case PIX_FMT_YUV422P16LE:
2285         case PIX_FMT_YUV444P16LE: c->chrToYV12 = RENAME(LEToUV); break;
2286         default: break;
2287     }
2288     if (!c->chrSrcHSubSample) {
2289         switch(srcFormat) {
2290         case PIX_FMT_BGR24  : c->chrToYV12 = RENAME(bgr24ToUV); break;
2291         case PIX_FMT_RGB24  : c->chrToYV12 = RENAME(rgb24ToUV); break;
2292         default: break;
2293         }
2294     }
2295
2296     switch (srcFormat) {
2297     case PIX_FMT_YUYV422  :
2298     case PIX_FMT_YUV420P16BE:
2299     case PIX_FMT_YUV422P16BE:
2300     case PIX_FMT_YUV444P16BE:
2301     case PIX_FMT_Y400A    :
2302     case PIX_FMT_GRAY16BE : c->lumToYV12 = RENAME(yuy2ToY); break;
2303     case PIX_FMT_UYVY422  :
2304     case PIX_FMT_YUV420P16LE:
2305     case PIX_FMT_YUV422P16LE:
2306     case PIX_FMT_YUV444P16LE:
2307     case PIX_FMT_GRAY16LE : c->lumToYV12 = RENAME(uyvyToY); break;
2308     case PIX_FMT_BGR24    : c->lumToYV12 = RENAME(bgr24ToY); break;
2309     case PIX_FMT_RGB24    : c->lumToYV12 = RENAME(rgb24ToY); break;
2310     default: break;
2311     }
2312     if (c->alpPixBuf) {
2313         switch (srcFormat) {
2314         case PIX_FMT_Y400A  : c->alpToYV12 = RENAME(yuy2ToY); break;
2315         default: break;
2316         }
2317     }
2318 }