git.sesse.net Git - ffmpeg/blob - libswscale/swscale_template.c

   1 /*
   2  * Copyright (C) 2001-2003 Michael Niedermayer <michaelni@gmx.at>
   3  *
   4  * This file is part of FFmpeg.
   5  *
   6  * FFmpeg is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * FFmpeg 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
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with FFmpeg; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  19  *
  20  * The C code (not assembly, MMX, ...) of this file can be used
  21  * under the LGPL license.
  22  */
  23
  24 #undef REAL_MOVNTQ
  25 #undef MOVNTQ
  26 #undef PAVGB
  27 #undef PREFETCH
  28 #undef PREFETCHW
  29 #undef EMMS
  30 #undef SFENCE
  31
  32 #ifdef HAVE_3DNOW
  33 /* On K6 femms is faster than emms. On K7 femms is directly mapped on emms. */
  34 #define EMMS     "femms"
  35 #else
  36 #define EMMS     "emms"
  37 #endif
  38
  39 #ifdef HAVE_3DNOW
  40 #define PREFETCH  "prefetch"
  41 #define PREFETCHW "prefetchw"
  42 #elif defined (HAVE_MMX2)
  43 #define PREFETCH "prefetchnta"
  44 #define PREFETCHW "prefetcht0"
  45 #else
  46 #define PREFETCH  " # nop"
  47 #define PREFETCHW " # nop"
  48 #endif
  49
  50 #ifdef HAVE_MMX2
  51 #define SFENCE "sfence"
  52 #else
  53 #define SFENCE " # nop"
  54 #endif
  55
  56 #ifdef HAVE_MMX2
  57 #define PAVGB(a,b) "pavgb " #a ", " #b " \n\t"
  58 #elif defined (HAVE_3DNOW)
  59 #define PAVGB(a,b) "pavgusb " #a ", " #b " \n\t"
  60 #endif
  61
  62 #ifdef HAVE_MMX2
  63 #define REAL_MOVNTQ(a,b) "movntq " #a ", " #b " \n\t"
  64 #else
  65 #define REAL_MOVNTQ(a,b) "movq " #a ", " #b " \n\t"
  66 #endif
  67 #define MOVNTQ(a,b)  REAL_MOVNTQ(a,b)
  68
  69 #ifdef HAVE_ALTIVEC
  70 #include "swscale_altivec_template.c"
  71 #endif
  72
  73 #define YSCALEYUV2YV12X(x, offset, dest, width) \
  74     asm volatile(\
  75     "xor                          %%"REG_a", %%"REG_a"  \n\t"\
  76     "movq             "VROUNDER_OFFSET"(%0), %%mm3      \n\t"\
  77     "movq                             %%mm3, %%mm4      \n\t"\
  78     "lea                     " offset "(%0), %%"REG_d"  \n\t"\
  79     "mov                        (%%"REG_d"), %%"REG_S"  \n\t"\
  80     ASMALIGN(4) /* FIXME Unroll? */\
  81     "1:                                                 \n\t"\
  82     "movq                      8(%%"REG_d"), %%mm0      \n\t" /* filterCoeff */\
  83     "movq   "  x "(%%"REG_S", %%"REG_a", 2), %%mm2      \n\t" /* srcData */\
  84     "movq 8+"  x "(%%"REG_S", %%"REG_a", 2), %%mm5      \n\t" /* srcData */\
  85     "add                                $16, %%"REG_d"  \n\t"\
  86     "mov                        (%%"REG_d"), %%"REG_S"  \n\t"\
  87     "test                         %%"REG_S", %%"REG_S"  \n\t"\
  88     "pmulhw                           %%mm0, %%mm2      \n\t"\
  89     "pmulhw                           %%mm0, %%mm5      \n\t"\
  90     "paddw                            %%mm2, %%mm3      \n\t"\
  91     "paddw                            %%mm5, %%mm4      \n\t"\
  92     " jnz                                1b             \n\t"\
  93     "psraw                               $3, %%mm3      \n\t"\
  94     "psraw                               $3, %%mm4      \n\t"\
  95     "packuswb                         %%mm4, %%mm3      \n\t"\
  96     MOVNTQ(%%mm3, (%1, %%REGa))\
  97     "add                                 $8, %%"REG_a"  \n\t"\
  98     "cmp                                 %2, %%"REG_a"  \n\t"\
  99     "movq             "VROUNDER_OFFSET"(%0), %%mm3      \n\t"\
 100     "movq                             %%mm3, %%mm4      \n\t"\
 101     "lea                     " offset "(%0), %%"REG_d"  \n\t"\
 102     "mov                        (%%"REG_d"), %%"REG_S"  \n\t"\
 103     "jb                                  1b             \n\t"\
 104     :: "r" (&c->redDither),\
 105     "r" (dest), "g" (width)\
 106     : "%"REG_a, "%"REG_d, "%"REG_S\
 107     );
 108
 109 #define YSCALEYUV2YV12X_ACCURATE(x, offset, dest, width) \
 110     asm volatile(\
 111     "lea                     " offset "(%0), %%"REG_d"  \n\t"\
 112     "xor                          %%"REG_a", %%"REG_a"  \n\t"\
 113     "pxor                             %%mm4, %%mm4      \n\t"\
 114     "pxor                             %%mm5, %%mm5      \n\t"\
 115     "pxor                             %%mm6, %%mm6      \n\t"\
 116     "pxor                             %%mm7, %%mm7      \n\t"\
 117     "mov                        (%%"REG_d"), %%"REG_S"  \n\t"\
 118     ASMALIGN(4) \
 119     "1:                                                 \n\t"\
 120     "movq   "  x "(%%"REG_S", %%"REG_a", 2), %%mm0      \n\t" /* srcData */\
 121     "movq 8+"  x "(%%"REG_S", %%"REG_a", 2), %%mm2      \n\t" /* srcData */\
 122     "mov        "STR(APCK_PTR2)"(%%"REG_d"), %%"REG_S"  \n\t"\
 123     "movq   "  x "(%%"REG_S", %%"REG_a", 2), %%mm1      \n\t" /* srcData */\
 124     "movq                             %%mm0, %%mm3      \n\t"\
 125     "punpcklwd                        %%mm1, %%mm0      \n\t"\
 126     "punpckhwd                        %%mm1, %%mm3      \n\t"\
 127     "movq       "STR(APCK_COEF)"(%%"REG_d"), %%mm1      \n\t" /* filterCoeff */\
 128     "pmaddwd                          %%mm1, %%mm0      \n\t"\
 129     "pmaddwd                          %%mm1, %%mm3      \n\t"\
 130     "paddd                            %%mm0, %%mm4      \n\t"\
 131     "paddd                            %%mm3, %%mm5      \n\t"\
 132     "movq 8+"  x "(%%"REG_S", %%"REG_a", 2), %%mm3      \n\t" /* srcData */\
 133     "mov        "STR(APCK_SIZE)"(%%"REG_d"), %%"REG_S"  \n\t"\
 134     "add                  $"STR(APCK_SIZE)", %%"REG_d"  \n\t"\
 135     "test                         %%"REG_S", %%"REG_S"  \n\t"\
 136     "movq                             %%mm2, %%mm0      \n\t"\
 137     "punpcklwd                        %%mm3, %%mm2      \n\t"\
 138     "punpckhwd                        %%mm3, %%mm0      \n\t"\
 139     "pmaddwd                          %%mm1, %%mm2      \n\t"\
 140     "pmaddwd                          %%mm1, %%mm0      \n\t"\
 141     "paddd                            %%mm2, %%mm6      \n\t"\
 142     "paddd                            %%mm0, %%mm7      \n\t"\
 143     " jnz                                1b             \n\t"\
 144     "psrad                              $16, %%mm4      \n\t"\
 145     "psrad                              $16, %%mm5      \n\t"\
 146     "psrad                              $16, %%mm6      \n\t"\
 147     "psrad                              $16, %%mm7      \n\t"\
 148     "movq             "VROUNDER_OFFSET"(%0), %%mm0      \n\t"\
 149     "packssdw                         %%mm5, %%mm4      \n\t"\
 150     "packssdw                         %%mm7, %%mm6      \n\t"\
 151     "paddw                            %%mm0, %%mm4      \n\t"\
 152     "paddw                            %%mm0, %%mm6      \n\t"\
 153     "psraw                               $3, %%mm4      \n\t"\
 154     "psraw                               $3, %%mm6      \n\t"\
 155     "packuswb                         %%mm6, %%mm4      \n\t"\
 156     MOVNTQ(%%mm4, (%1, %%REGa))\
 157     "add                                 $8, %%"REG_a"  \n\t"\
 158     "cmp                                 %2, %%"REG_a"  \n\t"\
 159     "lea                     " offset "(%0), %%"REG_d"  \n\t"\
 160     "pxor                             %%mm4, %%mm4      \n\t"\
 161     "pxor                             %%mm5, %%mm5      \n\t"\
 162     "pxor                             %%mm6, %%mm6      \n\t"\
 163     "pxor                             %%mm7, %%mm7      \n\t"\
 164     "mov                        (%%"REG_d"), %%"REG_S"  \n\t"\
 165     "jb                                  1b             \n\t"\
 166     :: "r" (&c->redDither),\
 167     "r" (dest), "g" (width)\
 168     : "%"REG_a, "%"REG_d, "%"REG_S\
 169     );
 170
 171 #define YSCALEYUV2YV121 \
 172     "mov %2, %%"REG_a"                    \n\t"\
 173     ASMALIGN(4) /* FIXME Unroll? */\
 174     "1:                                   \n\t"\
 175     "movq  (%0, %%"REG_a", 2), %%mm0      \n\t"\
 176     "movq 8(%0, %%"REG_a", 2), %%mm1      \n\t"\
 177     "psraw                 $7, %%mm0      \n\t"\
 178     "psraw                 $7, %%mm1      \n\t"\
 179     "packuswb           %%mm1, %%mm0      \n\t"\
 180     MOVNTQ(%%mm0, (%1, %%REGa))\
 181     "add                   $8, %%"REG_a"  \n\t"\
 182     "jnc                   1b             \n\t"
 183
 184 #define YSCALEYUV2YV121_ACCURATE \
 185     "mov %2, %%"REG_a"                    \n\t"\
 186     "pcmpeqw %%mm7, %%mm7                 \n\t"\
 187     "psrlw                 $15, %%mm7     \n\t"\
 188     "psllw                  $6, %%mm7     \n\t"\
 189     ASMALIGN(4) /* FIXME Unroll? */\
 190     "1:                                   \n\t"\
 191     "movq  (%0, %%"REG_a", 2), %%mm0      \n\t"\
 192     "movq 8(%0, %%"REG_a", 2), %%mm1      \n\t"\
 193     "paddsw             %%mm7, %%mm0      \n\t"\
 194     "paddsw             %%mm7, %%mm1      \n\t"\
 195     "psraw                 $7, %%mm0      \n\t"\
 196     "psraw                 $7, %%mm1      \n\t"\
 197     "packuswb           %%mm1, %%mm0      \n\t"\
 198     MOVNTQ(%%mm0, (%1, %%REGa))\
 199     "add                   $8, %%"REG_a"  \n\t"\
 200     "jnc                   1b             \n\t"
 201
 202 /*
 203     :: "m" (-lumFilterSize), "m" (-chrFilterSize),
 204        "m" (lumMmxFilter+lumFilterSize*4), "m" (chrMmxFilter+chrFilterSize*4),
 205        "r" (dest), "m" (dstW),
 206        "m" (lumSrc+lumFilterSize), "m" (chrSrc+chrFilterSize)
 207     : "%eax", "%ebx", "%ecx", "%edx", "%esi"
 208 */
 209 #define YSCALEYUV2PACKEDX \
 210     asm volatile(\
 211     "xor                   %%"REG_a", %%"REG_a"     \n\t"\
 212     ASMALIGN(4)\
 213     "nop                                            \n\t"\
 214     "1:                                             \n\t"\
 215     "lea "CHR_MMX_FILTER_OFFSET"(%0), %%"REG_d"     \n\t"\
 216     "mov                 (%%"REG_d"), %%"REG_S"     \n\t"\
 217     "movq      "VROUNDER_OFFSET"(%0), %%mm3         \n\t"\
 218     "movq                      %%mm3, %%mm4         \n\t"\
 219     ASMALIGN(4)\
 220     "2:                                             \n\t"\
 221     "movq               8(%%"REG_d"), %%mm0         \n\t" /* filterCoeff */\
 222     "movq     (%%"REG_S", %%"REG_a"), %%mm2         \n\t" /* UsrcData */\
 223     "movq "AV_STRINGIFY(VOF)"(%%"REG_S", %%"REG_a"), %%mm5         \n\t" /* VsrcData */\
 224     "add                         $16, %%"REG_d"     \n\t"\
 225     "mov                 (%%"REG_d"), %%"REG_S"     \n\t"\
 226     "pmulhw                    %%mm0, %%mm2         \n\t"\
 227     "pmulhw                    %%mm0, %%mm5         \n\t"\
 228     "paddw                     %%mm2, %%mm3         \n\t"\
 229     "paddw                     %%mm5, %%mm4         \n\t"\
 230     "test                  %%"REG_S", %%"REG_S"     \n\t"\
 231     " jnz                         2b                \n\t"\
 232 \
 233     "lea "LUM_MMX_FILTER_OFFSET"(%0), %%"REG_d"     \n\t"\
 234     "mov                 (%%"REG_d"), %%"REG_S"     \n\t"\
 235     "movq      "VROUNDER_OFFSET"(%0), %%mm1         \n\t"\
 236     "movq                      %%mm1, %%mm7         \n\t"\
 237     ASMALIGN(4)\
 238     "2:                                             \n\t"\
 239     "movq               8(%%"REG_d"), %%mm0         \n\t" /* filterCoeff */\
 240     "movq  (%%"REG_S", %%"REG_a", 2), %%mm2         \n\t" /* Y1srcData */\
 241     "movq 8(%%"REG_S", %%"REG_a", 2), %%mm5         \n\t" /* Y2srcData */\
 242     "add                         $16, %%"REG_d"            \n\t"\
 243     "mov                 (%%"REG_d"), %%"REG_S"     \n\t"\
 244     "pmulhw                    %%mm0, %%mm2         \n\t"\
 245     "pmulhw                    %%mm0, %%mm5         \n\t"\
 246     "paddw                     %%mm2, %%mm1         \n\t"\
 247     "paddw                     %%mm5, %%mm7         \n\t"\
 248     "test                  %%"REG_S", %%"REG_S"     \n\t"\
 249     " jnz                         2b                \n\t"\
 250
 251 #define YSCALEYUV2PACKEDX_END                 \
 252     :: "r" (&c->redDither),                   \
 253         "m" (dummy), "m" (dummy), "m" (dummy),\
 254         "r" (dest), "m" (dstW)                \
 255     : "%"REG_a, "%"REG_d, "%"REG_S            \
 256     );
 257
 258 #define YSCALEYUV2PACKEDX_ACCURATE \
 259     asm volatile(\
 260     "xor %%"REG_a", %%"REG_a"                       \n\t"\
 261     ASMALIGN(4)\
 262     "nop                                            \n\t"\
 263     "1:                                             \n\t"\
 264     "lea "CHR_MMX_FILTER_OFFSET"(%0), %%"REG_d"     \n\t"\
 265     "mov                 (%%"REG_d"), %%"REG_S"     \n\t"\
 266     "pxor                      %%mm4, %%mm4         \n\t"\
 267     "pxor                      %%mm5, %%mm5         \n\t"\
 268     "pxor                      %%mm6, %%mm6         \n\t"\
 269     "pxor                      %%mm7, %%mm7         \n\t"\
 270     ASMALIGN(4)\
 271     "2:                                             \n\t"\
 272     "movq     (%%"REG_S", %%"REG_a"), %%mm0         \n\t" /* UsrcData */\
 273     "movq "AV_STRINGIFY(VOF)"(%%"REG_S", %%"REG_a"), %%mm2         \n\t" /* VsrcData */\
 274     "mov "STR(APCK_PTR2)"(%%"REG_d"), %%"REG_S"     \n\t"\
 275     "movq     (%%"REG_S", %%"REG_a"), %%mm1         \n\t" /* UsrcData */\
 276     "movq                      %%mm0, %%mm3         \n\t"\
 277     "punpcklwd                 %%mm1, %%mm0         \n\t"\
 278     "punpckhwd                 %%mm1, %%mm3         \n\t"\
 279     "movq "STR(APCK_COEF)"(%%"REG_d"),%%mm1         \n\t" /* filterCoeff */\
 280     "pmaddwd                   %%mm1, %%mm0         \n\t"\
 281     "pmaddwd                   %%mm1, %%mm3         \n\t"\
 282     "paddd                     %%mm0, %%mm4         \n\t"\
 283     "paddd                     %%mm3, %%mm5         \n\t"\
 284     "movq "AV_STRINGIFY(VOF)"(%%"REG_S", %%"REG_a"), %%mm3         \n\t" /* VsrcData */\
 285     "mov "STR(APCK_SIZE)"(%%"REG_d"), %%"REG_S"     \n\t"\
 286     "add           $"STR(APCK_SIZE)", %%"REG_d"     \n\t"\
 287     "test                  %%"REG_S", %%"REG_S"     \n\t"\
 288     "movq                      %%mm2, %%mm0         \n\t"\
 289     "punpcklwd                 %%mm3, %%mm2         \n\t"\
 290     "punpckhwd                 %%mm3, %%mm0         \n\t"\
 291     "pmaddwd                   %%mm1, %%mm2         \n\t"\
 292     "pmaddwd                   %%mm1, %%mm0         \n\t"\
 293     "paddd                     %%mm2, %%mm6         \n\t"\
 294     "paddd                     %%mm0, %%mm7         \n\t"\
 295     " jnz                         2b                \n\t"\
 296     "psrad                       $16, %%mm4         \n\t"\
 297     "psrad                       $16, %%mm5         \n\t"\
 298     "psrad                       $16, %%mm6         \n\t"\
 299     "psrad                       $16, %%mm7         \n\t"\
 300     "movq      "VROUNDER_OFFSET"(%0), %%mm0         \n\t"\
 301     "packssdw                  %%mm5, %%mm4         \n\t"\
 302     "packssdw                  %%mm7, %%mm6         \n\t"\
 303     "paddw                     %%mm0, %%mm4         \n\t"\
 304     "paddw                     %%mm0, %%mm6         \n\t"\
 305     "movq                      %%mm4, "U_TEMP"(%0)  \n\t"\
 306     "movq                      %%mm6, "V_TEMP"(%0)  \n\t"\
 307 \
 308     "lea "LUM_MMX_FILTER_OFFSET"(%0), %%"REG_d"     \n\t"\
 309     "mov                 (%%"REG_d"), %%"REG_S"     \n\t"\
 310     "pxor                      %%mm1, %%mm1         \n\t"\
 311     "pxor                      %%mm5, %%mm5         \n\t"\
 312     "pxor                      %%mm7, %%mm7         \n\t"\
 313     "pxor                      %%mm6, %%mm6         \n\t"\
 314     ASMALIGN(4)\
 315     "2:                                             \n\t"\
 316     "movq  (%%"REG_S", %%"REG_a", 2), %%mm0         \n\t" /* Y1srcData */\
 317     "movq 8(%%"REG_S", %%"REG_a", 2), %%mm2         \n\t" /* Y2srcData */\
 318     "mov "STR(APCK_PTR2)"(%%"REG_d"), %%"REG_S"     \n\t"\
 319     "movq  (%%"REG_S", %%"REG_a", 2), %%mm4         \n\t" /* Y1srcData */\
 320     "movq                      %%mm0, %%mm3         \n\t"\
 321     "punpcklwd                 %%mm4, %%mm0         \n\t"\
 322     "punpckhwd                 %%mm4, %%mm3         \n\t"\
 323     "movq "STR(APCK_COEF)"(%%"REG_d"), %%mm4         \n\t" /* filterCoeff */\
 324     "pmaddwd                   %%mm4, %%mm0         \n\t"\
 325     "pmaddwd                   %%mm4, %%mm3         \n\t"\
 326     "paddd                     %%mm0, %%mm1         \n\t"\
 327     "paddd                     %%mm3, %%mm5         \n\t"\
 328     "movq 8(%%"REG_S", %%"REG_a", 2), %%mm3         \n\t" /* Y2srcData */\
 329     "mov "STR(APCK_SIZE)"(%%"REG_d"), %%"REG_S"     \n\t"\
 330     "add           $"STR(APCK_SIZE)", %%"REG_d"     \n\t"\
 331     "test                  %%"REG_S", %%"REG_S"     \n\t"\
 332     "movq                      %%mm2, %%mm0         \n\t"\
 333     "punpcklwd                 %%mm3, %%mm2         \n\t"\
 334     "punpckhwd                 %%mm3, %%mm0         \n\t"\
 335     "pmaddwd                   %%mm4, %%mm2         \n\t"\
 336     "pmaddwd                   %%mm4, %%mm0         \n\t"\
 337     "paddd                     %%mm2, %%mm7         \n\t"\
 338     "paddd                     %%mm0, %%mm6         \n\t"\
 339     " jnz                         2b                \n\t"\
 340     "psrad                       $16, %%mm1         \n\t"\
 341     "psrad                       $16, %%mm5         \n\t"\
 342     "psrad                       $16, %%mm7         \n\t"\
 343     "psrad                       $16, %%mm6         \n\t"\
 344     "movq      "VROUNDER_OFFSET"(%0), %%mm0         \n\t"\
 345     "packssdw                  %%mm5, %%mm1         \n\t"\
 346     "packssdw                  %%mm6, %%mm7         \n\t"\
 347     "paddw                     %%mm0, %%mm1         \n\t"\
 348     "paddw                     %%mm0, %%mm7         \n\t"\
 349     "movq               "U_TEMP"(%0), %%mm3         \n\t"\
 350     "movq               "V_TEMP"(%0), %%mm4         \n\t"\
 351
 352 #define YSCALEYUV2RGBX \
 353     "psubw  "U_OFFSET"(%0), %%mm3       \n\t" /* (U-128)8*/\
 354     "psubw  "V_OFFSET"(%0), %%mm4       \n\t" /* (V-128)8*/\
 355     "movq            %%mm3, %%mm2       \n\t" /* (U-128)8*/\
 356     "movq            %%mm4, %%mm5       \n\t" /* (V-128)8*/\
 357     "pmulhw "UG_COEFF"(%0), %%mm3       \n\t"\
 358     "pmulhw "VG_COEFF"(%0), %%mm4       \n\t"\
 359 /* mm2=(U-128)8, mm3=ug, mm4=vg mm5=(V-128)8 */\
 360     "pmulhw "UB_COEFF"(%0), %%mm2       \n\t"\
 361     "pmulhw "VR_COEFF"(%0), %%mm5       \n\t"\
 362     "psubw  "Y_OFFSET"(%0), %%mm1       \n\t" /* 8(Y-16)*/\
 363     "psubw  "Y_OFFSET"(%0), %%mm7       \n\t" /* 8(Y-16)*/\
 364     "pmulhw  "Y_COEFF"(%0), %%mm1       \n\t"\
 365     "pmulhw  "Y_COEFF"(%0), %%mm7       \n\t"\
 366 /* mm1= Y1, mm2=ub, mm3=ug, mm4=vg mm5=vr, mm7=Y2 */\
 367     "paddw           %%mm3, %%mm4       \n\t"\
 368     "movq            %%mm2, %%mm0       \n\t"\
 369     "movq            %%mm5, %%mm6       \n\t"\
 370     "movq            %%mm4, %%mm3       \n\t"\
 371     "punpcklwd       %%mm2, %%mm2       \n\t"\
 372     "punpcklwd       %%mm5, %%mm5       \n\t"\
 373     "punpcklwd       %%mm4, %%mm4       \n\t"\
 374     "paddw           %%mm1, %%mm2       \n\t"\
 375     "paddw           %%mm1, %%mm5       \n\t"\
 376     "paddw           %%mm1, %%mm4       \n\t"\
 377     "punpckhwd       %%mm0, %%mm0       \n\t"\
 378     "punpckhwd       %%mm6, %%mm6       \n\t"\
 379     "punpckhwd       %%mm3, %%mm3       \n\t"\
 380     "paddw           %%mm7, %%mm0       \n\t"\
 381     "paddw           %%mm7, %%mm6       \n\t"\
 382     "paddw           %%mm7, %%mm3       \n\t"\
 383     /* mm0=B1, mm2=B2, mm3=G2, mm4=G1, mm5=R1, mm6=R2 */\
 384     "packuswb        %%mm0, %%mm2       \n\t"\
 385     "packuswb        %%mm6, %%mm5       \n\t"\
 386     "packuswb        %%mm3, %%mm4       \n\t"\
 387     "pxor            %%mm7, %%mm7       \n\t"
 388 #if 0
 389 #define FULL_YSCALEYUV2RGB \
 390     "pxor                 %%mm7, %%mm7  \n\t"\
 391     "movd                    %6, %%mm6  \n\t" /*yalpha1*/\
 392     "punpcklwd            %%mm6, %%mm6  \n\t"\
 393     "punpcklwd            %%mm6, %%mm6  \n\t"\
 394     "movd                    %7, %%mm5  \n\t" /*uvalpha1*/\
 395     "punpcklwd            %%mm5, %%mm5  \n\t"\
 396     "punpcklwd            %%mm5, %%mm5  \n\t"\
 397     "xor              %%"REG_a", %%"REG_a"  \n\t"\
 398     ASMALIGN(4)\
 399     "1:                                 \n\t"\
 400     "movq     (%0, %%"REG_a",2), %%mm0  \n\t" /*buf0[eax]*/\
 401     "movq     (%1, %%"REG_a",2), %%mm1  \n\t" /*buf1[eax]*/\
 402     "movq     (%2, %%"REG_a",2), %%mm2  \n\t" /* uvbuf0[eax]*/\
 403     "movq     (%3, %%"REG_a",2), %%mm3  \n\t" /* uvbuf1[eax]*/\
 404     "psubw                %%mm1, %%mm0  \n\t" /* buf0[eax] - buf1[eax]*/\
 405     "psubw                %%mm3, %%mm2  \n\t" /* uvbuf0[eax] - uvbuf1[eax]*/\
 406     "pmulhw               %%mm6, %%mm0  \n\t" /* (buf0[eax] - buf1[eax])yalpha1>>16*/\
 407     "pmulhw               %%mm5, %%mm2  \n\t" /* (uvbuf0[eax] - uvbuf1[eax])uvalpha1>>16*/\
 408     "psraw                   $4, %%mm1  \n\t" /* buf0[eax] - buf1[eax] >>4*/\
 409     "movq "AV_STRINGIFY(VOF)"(%2, %%"REG_a",2), %%mm4  \n\t" /* uvbuf0[eax+2048]*/\
 410     "psraw                   $4, %%mm3  \n\t" /* uvbuf0[eax] - uvbuf1[eax] >>4*/\
 411     "paddw                %%mm0, %%mm1  \n\t" /* buf0[eax]yalpha1 + buf1[eax](1-yalpha1) >>16*/\
 412     "movq "AV_STRINGIFY(VOF)"(%3, %%"REG_a",2), %%mm0  \n\t" /* uvbuf1[eax+2048]*/\
 413     "paddw                %%mm2, %%mm3  \n\t" /* uvbuf0[eax]uvalpha1 - uvbuf1[eax](1-uvalpha1)*/\
 414     "psubw                %%mm0, %%mm4  \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048]*/\
 415     "psubw        "MANGLE(w80)", %%mm1  \n\t" /* 8(Y-16)*/\
 416     "psubw       "MANGLE(w400)", %%mm3  \n\t" /* 8(U-128)*/\
 417     "pmulhw    "MANGLE(yCoeff)", %%mm1  \n\t"\
 418 \
 419 \
 420     "pmulhw               %%mm5, %%mm4  \n\t" /* (uvbuf0[eax+2048] - uvbuf1[eax+2048])uvalpha1>>16*/\
 421     "movq                 %%mm3, %%mm2  \n\t" /* (U-128)8*/\
 422     "pmulhw   "MANGLE(ubCoeff)", %%mm3  \n\t"\
 423     "psraw                   $4, %%mm0  \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048] >>4*/\
 424     "pmulhw   "MANGLE(ugCoeff)", %%mm2  \n\t"\
 425     "paddw                %%mm4, %%mm0  \n\t" /* uvbuf0[eax+2048]uvalpha1 - uvbuf1[eax+2048](1-uvalpha1)*/\
 426     "psubw       "MANGLE(w400)", %%mm0  \n\t" /* (V-128)8*/\
 427 \
 428 \
 429     "movq                 %%mm0, %%mm4  \n\t" /* (V-128)8*/\
 430     "pmulhw   "MANGLE(vrCoeff)", %%mm0  \n\t"\
 431     "pmulhw   "MANGLE(vgCoeff)", %%mm4  \n\t"\
 432     "paddw                %%mm1, %%mm3  \n\t" /* B*/\
 433     "paddw                %%mm1, %%mm0  \n\t" /* R*/\
 434     "packuswb             %%mm3, %%mm3  \n\t"\
 435 \
 436     "packuswb             %%mm0, %%mm0  \n\t"\
 437     "paddw                %%mm4, %%mm2  \n\t"\
 438     "paddw                %%mm2, %%mm1  \n\t" /* G*/\
 439 \
 440     "packuswb             %%mm1, %%mm1  \n\t"
 441 #endif
 442
 443 #define REAL_YSCALEYUV2PACKED(index, c) \
 444     "movq "CHR_MMX_FILTER_OFFSET"+8("#c"), %%mm0              \n\t"\
 445     "movq "LUM_MMX_FILTER_OFFSET"+8("#c"), %%mm1              \n\t"\
 446     "psraw                $3, %%mm0                           \n\t"\
 447     "psraw                $3, %%mm1                           \n\t"\
 448     "movq              %%mm0, "CHR_MMX_FILTER_OFFSET"+8("#c") \n\t"\
 449     "movq              %%mm1, "LUM_MMX_FILTER_OFFSET"+8("#c") \n\t"\
 450     "xor            "#index", "#index"                        \n\t"\
 451     ASMALIGN(4)\
 452     "1:                                 \n\t"\
 453     "movq     (%2, "#index"), %%mm2     \n\t" /* uvbuf0[eax]*/\
 454     "movq     (%3, "#index"), %%mm3     \n\t" /* uvbuf1[eax]*/\
 455     "movq "AV_STRINGIFY(VOF)"(%2, "#index"), %%mm5     \n\t" /* uvbuf0[eax+2048]*/\
 456     "movq "AV_STRINGIFY(VOF)"(%3, "#index"), %%mm4     \n\t" /* uvbuf1[eax+2048]*/\
 457     "psubw             %%mm3, %%mm2     \n\t" /* uvbuf0[eax] - uvbuf1[eax]*/\
 458     "psubw             %%mm4, %%mm5     \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048]*/\
 459     "movq "CHR_MMX_FILTER_OFFSET"+8("#c"), %%mm0    \n\t"\
 460     "pmulhw            %%mm0, %%mm2     \n\t" /* (uvbuf0[eax] - uvbuf1[eax])uvalpha1>>16*/\
 461     "pmulhw            %%mm0, %%mm5     \n\t" /* (uvbuf0[eax+2048] - uvbuf1[eax+2048])uvalpha1>>16*/\
 462     "psraw                $7, %%mm3     \n\t" /* uvbuf0[eax] - uvbuf1[eax] >>4*/\
 463     "psraw                $7, %%mm4     \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048] >>4*/\
 464     "paddw             %%mm2, %%mm3     \n\t" /* uvbuf0[eax]uvalpha1 - uvbuf1[eax](1-uvalpha1)*/\
 465     "paddw             %%mm5, %%mm4     \n\t" /* uvbuf0[eax+2048]uvalpha1 - uvbuf1[eax+2048](1-uvalpha1)*/\
 466     "movq  (%0, "#index", 2), %%mm0     \n\t" /*buf0[eax]*/\
 467     "movq  (%1, "#index", 2), %%mm1     \n\t" /*buf1[eax]*/\
 468     "movq 8(%0, "#index", 2), %%mm6     \n\t" /*buf0[eax]*/\
 469     "movq 8(%1, "#index", 2), %%mm7     \n\t" /*buf1[eax]*/\
 470     "psubw             %%mm1, %%mm0     \n\t" /* buf0[eax] - buf1[eax]*/\
 471     "psubw             %%mm7, %%mm6     \n\t" /* buf0[eax] - buf1[eax]*/\
 472     "pmulhw "LUM_MMX_FILTER_OFFSET"+8("#c"), %%mm0  \n\t" /* (buf0[eax] - buf1[eax])yalpha1>>16*/\
 473     "pmulhw "LUM_MMX_FILTER_OFFSET"+8("#c"), %%mm6  \n\t" /* (buf0[eax] - buf1[eax])yalpha1>>16*/\
 474     "psraw                $7, %%mm1     \n\t" /* buf0[eax] - buf1[eax] >>4*/\
 475     "psraw                $7, %%mm7     \n\t" /* buf0[eax] - buf1[eax] >>4*/\
 476     "paddw             %%mm0, %%mm1     \n\t" /* buf0[eax]yalpha1 + buf1[eax](1-yalpha1) >>16*/\
 477     "paddw             %%mm6, %%mm7     \n\t" /* buf0[eax]yalpha1 + buf1[eax](1-yalpha1) >>16*/\
 478
 479 #define YSCALEYUV2PACKED(index, c)  REAL_YSCALEYUV2PACKED(index, c)
 480
 481 #define REAL_YSCALEYUV2RGB(index, c) \
 482     "xor            "#index", "#index"  \n\t"\
 483     ASMALIGN(4)\
 484     "1:                                 \n\t"\
 485     "movq     (%2, "#index"), %%mm2     \n\t" /* uvbuf0[eax]*/\
 486     "movq     (%3, "#index"), %%mm3     \n\t" /* uvbuf1[eax]*/\
 487     "movq "AV_STRINGIFY(VOF)"(%2, "#index"), %%mm5     \n\t" /* uvbuf0[eax+2048]*/\
 488     "movq "AV_STRINGIFY(VOF)"(%3, "#index"), %%mm4     \n\t" /* uvbuf1[eax+2048]*/\
 489     "psubw             %%mm3, %%mm2     \n\t" /* uvbuf0[eax] - uvbuf1[eax]*/\
 490     "psubw             %%mm4, %%mm5     \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048]*/\
 491     "movq "CHR_MMX_FILTER_OFFSET"+8("#c"), %%mm0    \n\t"\
 492     "pmulhw            %%mm0, %%mm2     \n\t" /* (uvbuf0[eax] - uvbuf1[eax])uvalpha1>>16*/\
 493     "pmulhw            %%mm0, %%mm5     \n\t" /* (uvbuf0[eax+2048] - uvbuf1[eax+2048])uvalpha1>>16*/\
 494     "psraw                $4, %%mm3     \n\t" /* uvbuf0[eax] - uvbuf1[eax] >>4*/\
 495     "psraw                $4, %%mm4     \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048] >>4*/\
 496     "paddw             %%mm2, %%mm3     \n\t" /* uvbuf0[eax]uvalpha1 - uvbuf1[eax](1-uvalpha1)*/\
 497     "paddw             %%mm5, %%mm4     \n\t" /* uvbuf0[eax+2048]uvalpha1 - uvbuf1[eax+2048](1-uvalpha1)*/\
 498     "psubw  "U_OFFSET"("#c"), %%mm3     \n\t" /* (U-128)8*/\
 499     "psubw  "V_OFFSET"("#c"), %%mm4     \n\t" /* (V-128)8*/\
 500     "movq              %%mm3, %%mm2     \n\t" /* (U-128)8*/\
 501     "movq              %%mm4, %%mm5     \n\t" /* (V-128)8*/\
 502     "pmulhw "UG_COEFF"("#c"), %%mm3     \n\t"\
 503     "pmulhw "VG_COEFF"("#c"), %%mm4     \n\t"\
 504     /* mm2=(U-128)8, mm3=ug, mm4=vg mm5=(V-128)8 */\
 505     "movq  (%0, "#index", 2), %%mm0     \n\t" /*buf0[eax]*/\
 506     "movq  (%1, "#index", 2), %%mm1     \n\t" /*buf1[eax]*/\
 507     "movq 8(%0, "#index", 2), %%mm6     \n\t" /*buf0[eax]*/\
 508     "movq 8(%1, "#index", 2), %%mm7     \n\t" /*buf1[eax]*/\
 509     "psubw             %%mm1, %%mm0     \n\t" /* buf0[eax] - buf1[eax]*/\
 510     "psubw             %%mm7, %%mm6     \n\t" /* buf0[eax] - buf1[eax]*/\
 511     "pmulhw "LUM_MMX_FILTER_OFFSET"+8("#c"), %%mm0  \n\t" /* (buf0[eax] - buf1[eax])yalpha1>>16*/\
 512     "pmulhw "LUM_MMX_FILTER_OFFSET"+8("#c"), %%mm6  \n\t" /* (buf0[eax] - buf1[eax])yalpha1>>16*/\
 513     "psraw                $4, %%mm1     \n\t" /* buf0[eax] - buf1[eax] >>4*/\
 514     "psraw                $4, %%mm7     \n\t" /* buf0[eax] - buf1[eax] >>4*/\
 515     "paddw             %%mm0, %%mm1     \n\t" /* buf0[eax]yalpha1 + buf1[eax](1-yalpha1) >>16*/\
 516     "paddw             %%mm6, %%mm7     \n\t" /* buf0[eax]yalpha1 + buf1[eax](1-yalpha1) >>16*/\
 517     "pmulhw "UB_COEFF"("#c"), %%mm2     \n\t"\
 518     "pmulhw "VR_COEFF"("#c"), %%mm5     \n\t"\
 519     "psubw  "Y_OFFSET"("#c"), %%mm1     \n\t" /* 8(Y-16)*/\
 520     "psubw  "Y_OFFSET"("#c"), %%mm7     \n\t" /* 8(Y-16)*/\
 521     "pmulhw  "Y_COEFF"("#c"), %%mm1     \n\t"\
 522     "pmulhw  "Y_COEFF"("#c"), %%mm7     \n\t"\
 523     /* mm1= Y1, mm2=ub, mm3=ug, mm4=vg mm5=vr, mm7=Y2 */\
 524     "paddw             %%mm3, %%mm4     \n\t"\
 525     "movq              %%mm2, %%mm0     \n\t"\
 526     "movq              %%mm5, %%mm6     \n\t"\
 527     "movq              %%mm4, %%mm3     \n\t"\
 528     "punpcklwd         %%mm2, %%mm2     \n\t"\
 529     "punpcklwd         %%mm5, %%mm5     \n\t"\
 530     "punpcklwd         %%mm4, %%mm4     \n\t"\
 531     "paddw             %%mm1, %%mm2     \n\t"\
 532     "paddw             %%mm1, %%mm5     \n\t"\
 533     "paddw             %%mm1, %%mm4     \n\t"\
 534     "punpckhwd         %%mm0, %%mm0     \n\t"\
 535     "punpckhwd         %%mm6, %%mm6     \n\t"\
 536     "punpckhwd         %%mm3, %%mm3     \n\t"\
 537     "paddw             %%mm7, %%mm0     \n\t"\
 538     "paddw             %%mm7, %%mm6     \n\t"\
 539     "paddw             %%mm7, %%mm3     \n\t"\
 540     /* mm0=B1, mm2=B2, mm3=G2, mm4=G1, mm5=R1, mm6=R2 */\
 541     "packuswb          %%mm0, %%mm2     \n\t"\
 542     "packuswb          %%mm6, %%mm5     \n\t"\
 543     "packuswb          %%mm3, %%mm4     \n\t"\
 544     "pxor              %%mm7, %%mm7     \n\t"
 545 #define YSCALEYUV2RGB(index, c)  REAL_YSCALEYUV2RGB(index, c)
 546
 547 #define REAL_YSCALEYUV2PACKED1(index, c) \
 548     "xor            "#index", "#index"  \n\t"\
 549     ASMALIGN(4)\
 550     "1:                                 \n\t"\
 551     "movq     (%2, "#index"), %%mm3     \n\t" /* uvbuf0[eax]*/\
 552     "movq "AV_STRINGIFY(VOF)"(%2, "#index"), %%mm4     \n\t" /* uvbuf0[eax+2048]*/\
 553     "psraw                $7, %%mm3     \n\t" \
 554     "psraw                $7, %%mm4     \n\t" \
 555     "movq  (%0, "#index", 2), %%mm1     \n\t" /*buf0[eax]*/\
 556     "movq 8(%0, "#index", 2), %%mm7     \n\t" /*buf0[eax]*/\
 557     "psraw                $7, %%mm1     \n\t" \
 558     "psraw                $7, %%mm7     \n\t" \
 559
 560 #define YSCALEYUV2PACKED1(index, c)  REAL_YSCALEYUV2PACKED1(index, c)
 561
 562 #define REAL_YSCALEYUV2RGB1(index, c) \
 563     "xor            "#index", "#index"  \n\t"\
 564     ASMALIGN(4)\
 565     "1:                                 \n\t"\
 566     "movq     (%2, "#index"), %%mm3     \n\t" /* uvbuf0[eax]*/\
 567     "movq "AV_STRINGIFY(VOF)"(%2, "#index"), %%mm4     \n\t" /* uvbuf0[eax+2048]*/\
 568     "psraw                $4, %%mm3     \n\t" /* uvbuf0[eax] - uvbuf1[eax] >>4*/\
 569     "psraw                $4, %%mm4     \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048] >>4*/\
 570     "psubw  "U_OFFSET"("#c"), %%mm3     \n\t" /* (U-128)8*/\
 571     "psubw  "V_OFFSET"("#c"), %%mm4     \n\t" /* (V-128)8*/\
 572     "movq              %%mm3, %%mm2     \n\t" /* (U-128)8*/\
 573     "movq              %%mm4, %%mm5     \n\t" /* (V-128)8*/\
 574     "pmulhw "UG_COEFF"("#c"), %%mm3     \n\t"\
 575     "pmulhw "VG_COEFF"("#c"), %%mm4     \n\t"\
 576     /* mm2=(U-128)8, mm3=ug, mm4=vg mm5=(V-128)8 */\
 577     "movq  (%0, "#index", 2), %%mm1     \n\t" /*buf0[eax]*/\
 578     "movq 8(%0, "#index", 2), %%mm7     \n\t" /*buf0[eax]*/\
 579     "psraw                $4, %%mm1     \n\t" /* buf0[eax] - buf1[eax] >>4*/\
 580     "psraw                $4, %%mm7     \n\t" /* buf0[eax] - buf1[eax] >>4*/\
 581     "pmulhw "UB_COEFF"("#c"), %%mm2     \n\t"\
 582     "pmulhw "VR_COEFF"("#c"), %%mm5     \n\t"\
 583     "psubw  "Y_OFFSET"("#c"), %%mm1     \n\t" /* 8(Y-16)*/\
 584     "psubw  "Y_OFFSET"("#c"), %%mm7     \n\t" /* 8(Y-16)*/\
 585     "pmulhw  "Y_COEFF"("#c"), %%mm1     \n\t"\
 586     "pmulhw  "Y_COEFF"("#c"), %%mm7     \n\t"\
 587     /* mm1= Y1, mm2=ub, mm3=ug, mm4=vg mm5=vr, mm7=Y2 */\
 588     "paddw             %%mm3, %%mm4     \n\t"\
 589     "movq              %%mm2, %%mm0     \n\t"\
 590     "movq              %%mm5, %%mm6     \n\t"\
 591     "movq              %%mm4, %%mm3     \n\t"\
 592     "punpcklwd         %%mm2, %%mm2     \n\t"\
 593     "punpcklwd         %%mm5, %%mm5     \n\t"\
 594     "punpcklwd         %%mm4, %%mm4     \n\t"\
 595     "paddw             %%mm1, %%mm2     \n\t"\
 596     "paddw             %%mm1, %%mm5     \n\t"\
 597     "paddw             %%mm1, %%mm4     \n\t"\
 598     "punpckhwd         %%mm0, %%mm0     \n\t"\
 599     "punpckhwd         %%mm6, %%mm6     \n\t"\
 600     "punpckhwd         %%mm3, %%mm3     \n\t"\
 601     "paddw             %%mm7, %%mm0     \n\t"\
 602     "paddw             %%mm7, %%mm6     \n\t"\
 603     "paddw             %%mm7, %%mm3     \n\t"\
 604     /* mm0=B1, mm2=B2, mm3=G2, mm4=G1, mm5=R1, mm6=R2 */\
 605     "packuswb          %%mm0, %%mm2     \n\t"\
 606     "packuswb          %%mm6, %%mm5     \n\t"\
 607     "packuswb          %%mm3, %%mm4     \n\t"\
 608     "pxor              %%mm7, %%mm7     \n\t"
 609 #define YSCALEYUV2RGB1(index, c)  REAL_YSCALEYUV2RGB1(index, c)
 610
 611 #define REAL_YSCALEYUV2PACKED1b(index, c) \
 612     "xor "#index", "#index"             \n\t"\
 613     ASMALIGN(4)\
 614     "1:                                 \n\t"\
 615     "movq     (%2, "#index"), %%mm2     \n\t" /* uvbuf0[eax]*/\
 616     "movq     (%3, "#index"), %%mm3     \n\t" /* uvbuf1[eax]*/\
 617     "movq "AV_STRINGIFY(VOF)"(%2, "#index"), %%mm5     \n\t" /* uvbuf0[eax+2048]*/\
 618     "movq "AV_STRINGIFY(VOF)"(%3, "#index"), %%mm4     \n\t" /* uvbuf1[eax+2048]*/\
 619     "paddw             %%mm2, %%mm3     \n\t" /* uvbuf0[eax] + uvbuf1[eax]*/\
 620     "paddw             %%mm5, %%mm4     \n\t" /* uvbuf0[eax+2048] + uvbuf1[eax+2048]*/\
 621     "psrlw                $8, %%mm3     \n\t" \
 622     "psrlw                $8, %%mm4     \n\t" \
 623     "movq  (%0, "#index", 2), %%mm1     \n\t" /*buf0[eax]*/\
 624     "movq 8(%0, "#index", 2), %%mm7     \n\t" /*buf0[eax]*/\
 625     "psraw                $7, %%mm1     \n\t" \
 626     "psraw                $7, %%mm7     \n\t"
 627 #define YSCALEYUV2PACKED1b(index, c)  REAL_YSCALEYUV2PACKED1b(index, c)
 628
 629 // do vertical chrominance interpolation
 630 #define REAL_YSCALEYUV2RGB1b(index, c) \
 631     "xor            "#index", "#index"  \n\t"\
 632     ASMALIGN(4)\
 633     "1:                                 \n\t"\
 634     "movq     (%2, "#index"), %%mm2     \n\t" /* uvbuf0[eax]*/\
 635     "movq     (%3, "#index"), %%mm3     \n\t" /* uvbuf1[eax]*/\
 636     "movq "AV_STRINGIFY(VOF)"(%2, "#index"), %%mm5     \n\t" /* uvbuf0[eax+2048]*/\
 637     "movq "AV_STRINGIFY(VOF)"(%3, "#index"), %%mm4     \n\t" /* uvbuf1[eax+2048]*/\
 638     "paddw             %%mm2, %%mm3     \n\t" /* uvbuf0[eax] + uvbuf1[eax]*/\
 639     "paddw             %%mm5, %%mm4     \n\t" /* uvbuf0[eax+2048] + uvbuf1[eax+2048]*/\
 640     "psrlw                $5, %%mm3     \n\t" /*FIXME might overflow*/\
 641     "psrlw                $5, %%mm4     \n\t" /*FIXME might overflow*/\
 642     "psubw  "U_OFFSET"("#c"), %%mm3     \n\t" /* (U-128)8*/\
 643     "psubw  "V_OFFSET"("#c"), %%mm4     \n\t" /* (V-128)8*/\
 644     "movq              %%mm3, %%mm2     \n\t" /* (U-128)8*/\
 645     "movq              %%mm4, %%mm5     \n\t" /* (V-128)8*/\
 646     "pmulhw "UG_COEFF"("#c"), %%mm3     \n\t"\
 647     "pmulhw "VG_COEFF"("#c"), %%mm4     \n\t"\
 648     /* mm2=(U-128)8, mm3=ug, mm4=vg mm5=(V-128)8 */\
 649     "movq  (%0, "#index", 2), %%mm1     \n\t" /*buf0[eax]*/\
 650     "movq 8(%0, "#index", 2), %%mm7     \n\t" /*buf0[eax]*/\
 651     "psraw                $4, %%mm1     \n\t" /* buf0[eax] - buf1[eax] >>4*/\
 652     "psraw                $4, %%mm7     \n\t" /* buf0[eax] - buf1[eax] >>4*/\
 653     "pmulhw "UB_COEFF"("#c"), %%mm2     \n\t"\
 654     "pmulhw "VR_COEFF"("#c"), %%mm5     \n\t"\
 655     "psubw  "Y_OFFSET"("#c"), %%mm1     \n\t" /* 8(Y-16)*/\
 656     "psubw  "Y_OFFSET"("#c"), %%mm7     \n\t" /* 8(Y-16)*/\
 657     "pmulhw  "Y_COEFF"("#c"), %%mm1     \n\t"\
 658     "pmulhw  "Y_COEFF"("#c"), %%mm7     \n\t"\
 659     /* mm1= Y1, mm2=ub, mm3=ug, mm4=vg mm5=vr, mm7=Y2 */\
 660     "paddw             %%mm3, %%mm4     \n\t"\
 661     "movq              %%mm2, %%mm0     \n\t"\
 662     "movq              %%mm5, %%mm6     \n\t"\
 663     "movq              %%mm4, %%mm3     \n\t"\
 664     "punpcklwd         %%mm2, %%mm2     \n\t"\
 665     "punpcklwd         %%mm5, %%mm5     \n\t"\
 666     "punpcklwd         %%mm4, %%mm4     \n\t"\
 667     "paddw             %%mm1, %%mm2     \n\t"\
 668     "paddw             %%mm1, %%mm5     \n\t"\
 669     "paddw             %%mm1, %%mm4     \n\t"\
 670     "punpckhwd         %%mm0, %%mm0     \n\t"\
 671     "punpckhwd         %%mm6, %%mm6     \n\t"\
 672     "punpckhwd         %%mm3, %%mm3     \n\t"\
 673     "paddw             %%mm7, %%mm0     \n\t"\
 674     "paddw             %%mm7, %%mm6     \n\t"\
 675     "paddw             %%mm7, %%mm3     \n\t"\
 676     /* mm0=B1, mm2=B2, mm3=G2, mm4=G1, mm5=R1, mm6=R2 */\
 677     "packuswb          %%mm0, %%mm2     \n\t"\
 678     "packuswb          %%mm6, %%mm5     \n\t"\
 679     "packuswb          %%mm3, %%mm4     \n\t"\
 680     "pxor              %%mm7, %%mm7     \n\t"
 681 #define YSCALEYUV2RGB1b(index, c)  REAL_YSCALEYUV2RGB1b(index, c)
 682
 683 #define REAL_WRITEBGR32(dst, dstw, index) \
 684     /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */\
 685     "movq      %%mm2, %%mm1     \n\t" /* B */\
 686     "movq      %%mm5, %%mm6     \n\t" /* R */\
 687     "punpcklbw %%mm4, %%mm2     \n\t" /* GBGBGBGB 0 */\
 688     "punpcklbw %%mm7, %%mm5     \n\t" /* 0R0R0R0R 0 */\
 689     "punpckhbw %%mm4, %%mm1     \n\t" /* GBGBGBGB 2 */\
 690     "punpckhbw %%mm7, %%mm6     \n\t" /* 0R0R0R0R 2 */\
 691     "movq      %%mm2, %%mm0     \n\t" /* GBGBGBGB 0 */\
 692     "movq      %%mm1, %%mm3     \n\t" /* GBGBGBGB 2 */\
 693     "punpcklwd %%mm5, %%mm0     \n\t" /* 0RGB0RGB 0 */\
 694     "punpckhwd %%mm5, %%mm2     \n\t" /* 0RGB0RGB 1 */\
 695     "punpcklwd %%mm6, %%mm1     \n\t" /* 0RGB0RGB 2 */\
 696     "punpckhwd %%mm6, %%mm3     \n\t" /* 0RGB0RGB 3 */\
 697 \
 698     MOVNTQ(%%mm0,   (dst, index, 4))\
 699     MOVNTQ(%%mm2,  8(dst, index, 4))\
 700     MOVNTQ(%%mm1, 16(dst, index, 4))\
 701     MOVNTQ(%%mm3, 24(dst, index, 4))\
 702 \
 703     "add      $8, "#index"      \n\t"\
 704     "cmp "#dstw", "#index"      \n\t"\
 705     " jb      1b                \n\t"
 706 #define WRITEBGR32(dst, dstw, index)  REAL_WRITEBGR32(dst, dstw, index)
 707
 708 #define REAL_WRITERGB16(dst, dstw, index) \
 709     "pand "MANGLE(bF8)", %%mm2  \n\t" /* B */\
 710     "pand "MANGLE(bFC)", %%mm4  \n\t" /* G */\
 711     "pand "MANGLE(bF8)", %%mm5  \n\t" /* R */\
 712     "psrlq           $3, %%mm2  \n\t"\
 713 \
 714     "movq         %%mm2, %%mm1  \n\t"\
 715     "movq         %%mm4, %%mm3  \n\t"\
 716 \
 717     "punpcklbw    %%mm7, %%mm3  \n\t"\
 718     "punpcklbw    %%mm5, %%mm2  \n\t"\
 719     "punpckhbw    %%mm7, %%mm4  \n\t"\
 720     "punpckhbw    %%mm5, %%mm1  \n\t"\
 721 \
 722     "psllq           $3, %%mm3  \n\t"\
 723     "psllq           $3, %%mm4  \n\t"\
 724 \
 725     "por          %%mm3, %%mm2  \n\t"\
 726     "por          %%mm4, %%mm1  \n\t"\
 727 \
 728     MOVNTQ(%%mm2,  (dst, index, 2))\
 729     MOVNTQ(%%mm1, 8(dst, index, 2))\
 730 \
 731     "add             $8, "#index"   \n\t"\
 732     "cmp        "#dstw", "#index"   \n\t"\
 733     " jb             1b             \n\t"
 734 #define WRITERGB16(dst, dstw, index)  REAL_WRITERGB16(dst, dstw, index)
 735
 736 #define REAL_WRITERGB15(dst, dstw, index) \
 737     "pand "MANGLE(bF8)", %%mm2  \n\t" /* B */\
 738     "pand "MANGLE(bF8)", %%mm4  \n\t" /* G */\
 739     "pand "MANGLE(bF8)", %%mm5  \n\t" /* R */\
 740     "psrlq           $3, %%mm2  \n\t"\
 741     "psrlq           $1, %%mm5  \n\t"\
 742 \
 743     "movq         %%mm2, %%mm1  \n\t"\
 744     "movq         %%mm4, %%mm3  \n\t"\
 745 \
 746     "punpcklbw    %%mm7, %%mm3  \n\t"\
 747     "punpcklbw    %%mm5, %%mm2  \n\t"\
 748     "punpckhbw    %%mm7, %%mm4  \n\t"\
 749     "punpckhbw    %%mm5, %%mm1  \n\t"\
 750 \
 751     "psllq           $2, %%mm3  \n\t"\
 752     "psllq           $2, %%mm4  \n\t"\
 753 \
 754     "por          %%mm3, %%mm2  \n\t"\
 755     "por          %%mm4, %%mm1  \n\t"\
 756 \
 757     MOVNTQ(%%mm2,  (dst, index, 2))\
 758     MOVNTQ(%%mm1, 8(dst, index, 2))\
 759 \
 760     "add             $8, "#index"   \n\t"\
 761     "cmp        "#dstw", "#index"   \n\t"\
 762     " jb             1b             \n\t"
 763 #define WRITERGB15(dst, dstw, index)  REAL_WRITERGB15(dst, dstw, index)
 764
 765 #define WRITEBGR24OLD(dst, dstw, index) \
 766     /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */\
 767     "movq      %%mm2, %%mm1             \n\t" /* B */\
 768     "movq      %%mm5, %%mm6             \n\t" /* R */\
 769     "punpcklbw %%mm4, %%mm2             \n\t" /* GBGBGBGB 0 */\
 770     "punpcklbw %%mm7, %%mm5             \n\t" /* 0R0R0R0R 0 */\
 771     "punpckhbw %%mm4, %%mm1             \n\t" /* GBGBGBGB 2 */\
 772     "punpckhbw %%mm7, %%mm6             \n\t" /* 0R0R0R0R 2 */\
 773     "movq      %%mm2, %%mm0             \n\t" /* GBGBGBGB 0 */\
 774     "movq      %%mm1, %%mm3             \n\t" /* GBGBGBGB 2 */\
 775     "punpcklwd %%mm5, %%mm0             \n\t" /* 0RGB0RGB 0 */\
 776     "punpckhwd %%mm5, %%mm2             \n\t" /* 0RGB0RGB 1 */\
 777     "punpcklwd %%mm6, %%mm1             \n\t" /* 0RGB0RGB 2 */\
 778     "punpckhwd %%mm6, %%mm3             \n\t" /* 0RGB0RGB 3 */\
 779 \
 780     "movq      %%mm0, %%mm4             \n\t" /* 0RGB0RGB 0 */\
 781     "psrlq        $8, %%mm0             \n\t" /* 00RGB0RG 0 */\
 782     "pand "MANGLE(bm00000111)", %%mm4   \n\t" /* 00000RGB 0 */\
 783     "pand "MANGLE(bm11111000)", %%mm0   \n\t" /* 00RGB000 0.5 */\
 784     "por       %%mm4, %%mm0             \n\t" /* 00RGBRGB 0 */\
 785     "movq      %%mm2, %%mm4             \n\t" /* 0RGB0RGB 1 */\
 786     "psllq       $48, %%mm2             \n\t" /* GB000000 1 */\
 787     "por       %%mm2, %%mm0             \n\t" /* GBRGBRGB 0 */\
 788 \
 789     "movq      %%mm4, %%mm2             \n\t" /* 0RGB0RGB 1 */\
 790     "psrld       $16, %%mm4             \n\t" /* 000R000R 1 */\
 791     "psrlq       $24, %%mm2             \n\t" /* 0000RGB0 1.5 */\
 792     "por       %%mm4, %%mm2             \n\t" /* 000RRGBR 1 */\
 793     "pand "MANGLE(bm00001111)", %%mm2   \n\t" /* 0000RGBR 1 */\
 794     "movq      %%mm1, %%mm4             \n\t" /* 0RGB0RGB 2 */\
 795     "psrlq        $8, %%mm1             \n\t" /* 00RGB0RG 2 */\
 796     "pand "MANGLE(bm00000111)", %%mm4   \n\t" /* 00000RGB 2 */\
 797     "pand "MANGLE(bm11111000)", %%mm1   \n\t" /* 00RGB000 2.5 */\
 798     "por       %%mm4, %%mm1             \n\t" /* 00RGBRGB 2 */\
 799     "movq      %%mm1, %%mm4             \n\t" /* 00RGBRGB 2 */\
 800     "psllq       $32, %%mm1             \n\t" /* BRGB0000 2 */\
 801     "por       %%mm1, %%mm2             \n\t" /* BRGBRGBR 1 */\
 802 \
 803     "psrlq       $32, %%mm4             \n\t" /* 000000RG 2.5 */\
 804     "movq      %%mm3, %%mm5             \n\t" /* 0RGB0RGB 3 */\
 805     "psrlq        $8, %%mm3             \n\t" /* 00RGB0RG 3 */\
 806     "pand "MANGLE(bm00000111)", %%mm5   \n\t" /* 00000RGB 3 */\
 807     "pand "MANGLE(bm11111000)", %%mm3   \n\t" /* 00RGB000 3.5 */\
 808     "por       %%mm5, %%mm3             \n\t" /* 00RGBRGB 3 */\
 809     "psllq       $16, %%mm3             \n\t" /* RGBRGB00 3 */\
 810     "por       %%mm4, %%mm3             \n\t" /* RGBRGBRG 2.5 */\
 811 \
 812     MOVNTQ(%%mm0,   (dst))\
 813     MOVNTQ(%%mm2,  8(dst))\
 814     MOVNTQ(%%mm3, 16(dst))\
 815     "add         $24, "#dst"            \n\t"\
 816 \
 817     "add          $8, "#index"          \n\t"\
 818     "cmp     "#dstw", "#index"          \n\t"\
 819     " jb          1b                    \n\t"
 820
 821 #define WRITEBGR24MMX(dst, dstw, index) \
 822     /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */\
 823     "movq      %%mm2, %%mm1     \n\t" /* B */\
 824     "movq      %%mm5, %%mm6     \n\t" /* R */\
 825     "punpcklbw %%mm4, %%mm2     \n\t" /* GBGBGBGB 0 */\
 826     "punpcklbw %%mm7, %%mm5     \n\t" /* 0R0R0R0R 0 */\
 827     "punpckhbw %%mm4, %%mm1     \n\t" /* GBGBGBGB 2 */\
 828     "punpckhbw %%mm7, %%mm6     \n\t" /* 0R0R0R0R 2 */\
 829     "movq      %%mm2, %%mm0     \n\t" /* GBGBGBGB 0 */\
 830     "movq      %%mm1, %%mm3     \n\t" /* GBGBGBGB 2 */\
 831     "punpcklwd %%mm5, %%mm0     \n\t" /* 0RGB0RGB 0 */\
 832     "punpckhwd %%mm5, %%mm2     \n\t" /* 0RGB0RGB 1 */\
 833     "punpcklwd %%mm6, %%mm1     \n\t" /* 0RGB0RGB 2 */\
 834     "punpckhwd %%mm6, %%mm3     \n\t" /* 0RGB0RGB 3 */\
 835 \
 836     "movq      %%mm0, %%mm4     \n\t" /* 0RGB0RGB 0 */\
 837     "movq      %%mm2, %%mm6     \n\t" /* 0RGB0RGB 1 */\
 838     "movq      %%mm1, %%mm5     \n\t" /* 0RGB0RGB 2 */\
 839     "movq      %%mm3, %%mm7     \n\t" /* 0RGB0RGB 3 */\
 840 \
 841     "psllq       $40, %%mm0     \n\t" /* RGB00000 0 */\
 842     "psllq       $40, %%mm2     \n\t" /* RGB00000 1 */\
 843     "psllq       $40, %%mm1     \n\t" /* RGB00000 2 */\
 844     "psllq       $40, %%mm3     \n\t" /* RGB00000 3 */\
 845 \
 846     "punpckhdq %%mm4, %%mm0     \n\t" /* 0RGBRGB0 0 */\
 847     "punpckhdq %%mm6, %%mm2     \n\t" /* 0RGBRGB0 1 */\
 848     "punpckhdq %%mm5, %%mm1     \n\t" /* 0RGBRGB0 2 */\
 849     "punpckhdq %%mm7, %%mm3     \n\t" /* 0RGBRGB0 3 */\
 850 \
 851     "psrlq        $8, %%mm0     \n\t" /* 00RGBRGB 0 */\
 852     "movq      %%mm2, %%mm6     \n\t" /* 0RGBRGB0 1 */\
 853     "psllq       $40, %%mm2     \n\t" /* GB000000 1 */\
 854     "por       %%mm2, %%mm0     \n\t" /* GBRGBRGB 0 */\
 855     MOVNTQ(%%mm0, (dst))\
 856 \
 857     "psrlq       $24, %%mm6     \n\t" /* 0000RGBR 1 */\
 858     "movq      %%mm1, %%mm5     \n\t" /* 0RGBRGB0 2 */\
 859     "psllq       $24, %%mm1     \n\t" /* BRGB0000 2 */\
 860     "por       %%mm1, %%mm6     \n\t" /* BRGBRGBR 1 */\
 861     MOVNTQ(%%mm6, 8(dst))\
 862 \
 863     "psrlq       $40, %%mm5     \n\t" /* 000000RG 2 */\
 864     "psllq        $8, %%mm3     \n\t" /* RGBRGB00 3 */\
 865     "por       %%mm3, %%mm5     \n\t" /* RGBRGBRG 2 */\
 866     MOVNTQ(%%mm5, 16(dst))\
 867 \
 868     "add         $24, "#dst"    \n\t"\
 869 \
 870     "add          $8, "#index"  \n\t"\
 871     "cmp     "#dstw", "#index"  \n\t"\
 872     " jb          1b            \n\t"
 873
 874 #define WRITEBGR24MMX2(dst, dstw, index) \
 875     /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */\
 876     "movq "MANGLE(ff_M24A)", %%mm0 \n\t"\
 877     "movq "MANGLE(ff_M24C)", %%mm7 \n\t"\
 878     "pshufw $0x50, %%mm2, %%mm1 \n\t" /* B3 B2 B3 B2  B1 B0 B1 B0 */\
 879     "pshufw $0x50, %%mm4, %%mm3 \n\t" /* G3 G2 G3 G2  G1 G0 G1 G0 */\
 880     "pshufw $0x00, %%mm5, %%mm6 \n\t" /* R1 R0 R1 R0  R1 R0 R1 R0 */\
 881 \
 882     "pand   %%mm0, %%mm1        \n\t" /*    B2        B1       B0 */\
 883     "pand   %%mm0, %%mm3        \n\t" /*    G2        G1       G0 */\
 884     "pand   %%mm7, %%mm6        \n\t" /*       R1        R0       */\
 885 \
 886     "psllq     $8, %%mm3        \n\t" /* G2        G1       G0    */\
 887     "por    %%mm1, %%mm6        \n\t"\
 888     "por    %%mm3, %%mm6        \n\t"\
 889     MOVNTQ(%%mm6, (dst))\
 890 \
 891     "psrlq     $8, %%mm4        \n\t" /* 00 G7 G6 G5  G4 G3 G2 G1 */\
 892     "pshufw $0xA5, %%mm2, %%mm1 \n\t" /* B5 B4 B5 B4  B3 B2 B3 B2 */\
 893     "pshufw $0x55, %%mm4, %%mm3 \n\t" /* G4 G3 G4 G3  G4 G3 G4 G3 */\
 894     "pshufw $0xA5, %%mm5, %%mm6 \n\t" /* R5 R4 R5 R4  R3 R2 R3 R2 */\
 895 \
 896     "pand "MANGLE(ff_M24B)", %%mm1 \n\t" /* B5       B4        B3    */\
 897     "pand   %%mm7, %%mm3        \n\t" /*       G4        G3       */\
 898     "pand   %%mm0, %%mm6        \n\t" /*    R4        R3       R2 */\
 899 \
 900     "por    %%mm1, %%mm3        \n\t" /* B5    G4 B4     G3 B3    */\
 901     "por    %%mm3, %%mm6        \n\t"\
 902     MOVNTQ(%%mm6, 8(dst))\
 903 \
 904     "pshufw $0xFF, %%mm2, %%mm1 \n\t" /* B7 B6 B7 B6  B7 B6 B6 B7 */\
 905     "pshufw $0xFA, %%mm4, %%mm3 \n\t" /* 00 G7 00 G7  G6 G5 G6 G5 */\
 906     "pshufw $0xFA, %%mm5, %%mm6 \n\t" /* R7 R6 R7 R6  R5 R4 R5 R4 */\
 907 \
 908     "pand   %%mm7, %%mm1        \n\t" /*       B7        B6       */\
 909     "pand   %%mm0, %%mm3        \n\t" /*    G7        G6       G5 */\
 910     "pand "MANGLE(ff_M24B)", %%mm6 \n\t" /* R7       R6        R5    */\
 911 \
 912     "por    %%mm1, %%mm3        \n\t"\
 913     "por    %%mm3, %%mm6        \n\t"\
 914     MOVNTQ(%%mm6, 16(dst))\
 915 \
 916     "add      $24, "#dst"       \n\t"\
 917 \
 918     "add       $8, "#index"     \n\t"\
 919     "cmp  "#dstw", "#index"     \n\t"\
 920     " jb       1b               \n\t"
 921
 922 #ifdef HAVE_MMX2
 923 #undef WRITEBGR24
 924 #define WRITEBGR24(dst, dstw, index)  WRITEBGR24MMX2(dst, dstw, index)
 925 #else
 926 #undef WRITEBGR24
 927 #define WRITEBGR24(dst, dstw, index)  WRITEBGR24MMX(dst, dstw, index)
 928 #endif
 929
 930 #define REAL_WRITEYUY2(dst, dstw, index) \
 931     "packuswb  %%mm3, %%mm3     \n\t"\
 932     "packuswb  %%mm4, %%mm4     \n\t"\
 933     "packuswb  %%mm7, %%mm1     \n\t"\
 934     "punpcklbw %%mm4, %%mm3     \n\t"\
 935     "movq      %%mm1, %%mm7     \n\t"\
 936     "punpcklbw %%mm3, %%mm1     \n\t"\
 937     "punpckhbw %%mm3, %%mm7     \n\t"\
 938 \
 939     MOVNTQ(%%mm1, (dst, index, 2))\
 940     MOVNTQ(%%mm7, 8(dst, index, 2))\
 941 \
 942     "add          $8, "#index"  \n\t"\
 943     "cmp     "#dstw", "#index"  \n\t"\
 944     " jb          1b            \n\t"
 945 #define WRITEYUY2(dst, dstw, index)  REAL_WRITEYUY2(dst, dstw, index)
 946
 947
 948 static inline void RENAME(yuv2yuvX)(SwsContext *c, int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,
 949                                     int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
 950                                     uint8_t *dest, uint8_t *uDest, uint8_t *vDest, long dstW, long chrDstW)
 951 {
 952 #ifdef HAVE_MMX
 953     if (c->flags & SWS_ACCURATE_RND){
 954         if (uDest){
 955             YSCALEYUV2YV12X_ACCURATE(   "0", CHR_MMX_FILTER_OFFSET, uDest, chrDstW)
 956             YSCALEYUV2YV12X_ACCURATE(AV_STRINGIFY(VOF), CHR_MMX_FILTER_OFFSET, vDest, chrDstW)
 957         }
 958
 959         YSCALEYUV2YV12X_ACCURATE("0", LUM_MMX_FILTER_OFFSET, dest, dstW)
 960     }else{
 961         if (uDest){
 962             YSCALEYUV2YV12X(   "0", CHR_MMX_FILTER_OFFSET, uDest, chrDstW)
 963             YSCALEYUV2YV12X(AV_STRINGIFY(VOF), CHR_MMX_FILTER_OFFSET, vDest, chrDstW)
 964         }
 965
 966         YSCALEYUV2YV12X("0", LUM_MMX_FILTER_OFFSET, dest, dstW)
 967     }
 968 #else
 969 #ifdef HAVE_ALTIVEC
 970 yuv2yuvX_altivec_real(lumFilter, lumSrc, lumFilterSize,
 971                       chrFilter, chrSrc, chrFilterSize,
 972                       dest, uDest, vDest, dstW, chrDstW);
 973 #else //HAVE_ALTIVEC
 974 yuv2yuvXinC(lumFilter, lumSrc, lumFilterSize,
 975             chrFilter, chrSrc, chrFilterSize,
 976             dest, uDest, vDest, dstW, chrDstW);
 977 #endif //!HAVE_ALTIVEC
 978 #endif /* HAVE_MMX */
 979 }
 980
 981 static inline void RENAME(yuv2nv12X)(SwsContext *c, int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,
 982                                      int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
 983                                      uint8_t *dest, uint8_t *uDest, int dstW, int chrDstW, int dstFormat)
 984 {
 985 yuv2nv12XinC(lumFilter, lumSrc, lumFilterSize,
 986              chrFilter, chrSrc, chrFilterSize,
 987              dest, uDest, dstW, chrDstW, dstFormat);
 988 }
 989
 990 static inline void RENAME(yuv2yuv1)(SwsContext *c, int16_t *lumSrc, int16_t *chrSrc,
 991                                     uint8_t *dest, uint8_t *uDest, uint8_t *vDest, long dstW, long chrDstW)
 992 {
 993 #ifdef HAVE_MMX
 994     long p= uDest ? 3 : 1;
 995     uint8_t *src[3]= {lumSrc + dstW, chrSrc + chrDstW, chrSrc + VOFW + chrDstW};
 996     uint8_t *dst[3]= {dest, uDest, vDest};
 997     long counter[3] = {dstW, chrDstW, chrDstW};
 998
 999     if (c->flags & SWS_ACCURATE_RND){
1000         while(p--){
1001             asm volatile(
1002                 YSCALEYUV2YV121_ACCURATE
1003                 :: "r" (src[p]), "r" (dst[p] + counter[p]),
1004                 "g" (-counter[p])
1005                 : "%"REG_a
1006             );
1007         }
1008     }else{
1009         while(p--){
1010             asm volatile(
1011                 YSCALEYUV2YV121
1012                 :: "r" (src[p]), "r" (dst[p] + counter[p]),
1013                 "g" (-counter[p])
1014                 : "%"REG_a
1015             );
1016         }
1017     }
1018
1019 #else
1020     int i;
1021     for (i=0; i<dstW; i++)
1022     {
1023         int val= (lumSrc[i]+64)>>7;
1024
1025         if (val&256){
1026             if (val<0) val=0;
1027             else       val=255;
1028         }
1029
1030         dest[i]= val;
1031     }
1032
1033     if (uDest)
1034         for (i=0; i<chrDstW; i++)
1035         {
1036             int u=(chrSrc[i       ]+64)>>7;
1037             int v=(chrSrc[i + VOFW]+64)>>7;
1038
1039             if ((u|v)&256){
1040                 if (u<0)        u=0;
1041                 else if (u>255) u=255;
1042                 if (v<0)        v=0;
1043                 else if (v>255) v=255;
1044             }
1045
1046             uDest[i]= u;
1047             vDest[i]= v;
1048         }
1049 #endif
1050 }
1051
1052
1053 /**
1054  * vertical scale YV12 to RGB
1055  */
1056 static inline void RENAME(yuv2packedX)(SwsContext *c, int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,
1057                                        int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
1058                                        uint8_t *dest, long dstW, long dstY)
1059 {
1060 #ifdef HAVE_MMX
1061     long dummy=0;
1062     if (c->flags & SWS_ACCURATE_RND){
1063         switch(c->dstFormat){
1064         case PIX_FMT_RGB32:
1065             YSCALEYUV2PACKEDX_ACCURATE
1066             YSCALEYUV2RGBX
1067             WRITEBGR32(%4, %5, %%REGa)
1068
1069             YSCALEYUV2PACKEDX_END
1070             return;
1071         case PIX_FMT_BGR24:
1072             YSCALEYUV2PACKEDX_ACCURATE
1073             YSCALEYUV2RGBX
1074             "lea (%%"REG_a", %%"REG_a", 2), %%"REG_c"\n\t" //FIXME optimize
1075             "add %4, %%"REG_c"                        \n\t"
1076             WRITEBGR24(%%REGc, %5, %%REGa)
1077
1078
1079             :: "r" (&c->redDither),
1080                "m" (dummy), "m" (dummy), "m" (dummy),
1081                "r" (dest), "m" (dstW)
1082             : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S
1083             );
1084             return;
1085         case PIX_FMT_RGB555:
1086             YSCALEYUV2PACKEDX_ACCURATE
1087             YSCALEYUV2RGBX
1088             /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1089 #ifdef DITHER1XBPP
1090             "paddusb "MANGLE(b5Dither)", %%mm2\n\t"
1091             "paddusb "MANGLE(g5Dither)", %%mm4\n\t"
1092             "paddusb "MANGLE(r5Dither)", %%mm5\n\t"
1093 #endif
1094
1095             WRITERGB15(%4, %5, %%REGa)
1096             YSCALEYUV2PACKEDX_END
1097             return;
1098         case PIX_FMT_RGB565:
1099             YSCALEYUV2PACKEDX_ACCURATE
1100             YSCALEYUV2RGBX
1101             /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1102 #ifdef DITHER1XBPP
1103             "paddusb "MANGLE(b5Dither)", %%mm2\n\t"
1104             "paddusb "MANGLE(g6Dither)", %%mm4\n\t"
1105             "paddusb "MANGLE(r5Dither)", %%mm5\n\t"
1106 #endif
1107
1108             WRITERGB16(%4, %5, %%REGa)
1109             YSCALEYUV2PACKEDX_END
1110             return;
1111         case PIX_FMT_YUYV422:
1112             YSCALEYUV2PACKEDX_ACCURATE
1113             /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1114
1115             "psraw $3, %%mm3    \n\t"
1116             "psraw $3, %%mm4    \n\t"
1117             "psraw $3, %%mm1    \n\t"
1118             "psraw $3, %%mm7    \n\t"
1119             WRITEYUY2(%4, %5, %%REGa)
1120             YSCALEYUV2PACKEDX_END
1121             return;
1122     }
1123     }else{
1124         switch(c->dstFormat)
1125         {
1126         case PIX_FMT_RGB32:
1127             YSCALEYUV2PACKEDX
1128             YSCALEYUV2RGBX
1129             WRITEBGR32(%4, %5, %%REGa)
1130             YSCALEYUV2PACKEDX_END
1131             return;
1132         case PIX_FMT_BGR24:
1133             YSCALEYUV2PACKEDX
1134             YSCALEYUV2RGBX
1135             "lea (%%"REG_a", %%"REG_a", 2), %%"REG_c"   \n\t" //FIXME optimize
1136             "add                        %4, %%"REG_c"   \n\t"
1137             WRITEBGR24(%%REGc, %5, %%REGa)
1138
1139             :: "r" (&c->redDither),
1140                "m" (dummy), "m" (dummy), "m" (dummy),
1141                "r" (dest),  "m" (dstW)
1142             : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S
1143             );
1144             return;
1145         case PIX_FMT_RGB555:
1146             YSCALEYUV2PACKEDX
1147             YSCALEYUV2RGBX
1148             /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1149 #ifdef DITHER1XBPP
1150             "paddusb "MANGLE(b5Dither)", %%mm2  \n\t"
1151             "paddusb "MANGLE(g5Dither)", %%mm4  \n\t"
1152             "paddusb "MANGLE(r5Dither)", %%mm5  \n\t"
1153 #endif
1154
1155             WRITERGB15(%4, %5, %%REGa)
1156             YSCALEYUV2PACKEDX_END
1157             return;
1158         case PIX_FMT_RGB565:
1159             YSCALEYUV2PACKEDX
1160             YSCALEYUV2RGBX
1161             /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1162 #ifdef DITHER1XBPP
1163             "paddusb "MANGLE(b5Dither)", %%mm2  \n\t"
1164             "paddusb "MANGLE(g6Dither)", %%mm4  \n\t"
1165             "paddusb "MANGLE(r5Dither)", %%mm5  \n\t"
1166 #endif
1167
1168             WRITERGB16(%4, %5, %%REGa)
1169             YSCALEYUV2PACKEDX_END
1170             return;
1171         case PIX_FMT_YUYV422:
1172             YSCALEYUV2PACKEDX
1173             /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1174
1175             "psraw $3, %%mm3    \n\t"
1176             "psraw $3, %%mm4    \n\t"
1177             "psraw $3, %%mm1    \n\t"
1178             "psraw $3, %%mm7    \n\t"
1179             WRITEYUY2(%4, %5, %%REGa)
1180             YSCALEYUV2PACKEDX_END
1181             return;
1182         }
1183     }
1184 #endif /* HAVE_MMX */
1185 #ifdef HAVE_ALTIVEC
1186     /* The following list of supported dstFormat values should
1187        match what's found in the body of altivec_yuv2packedX() */
1188     if (c->dstFormat==PIX_FMT_ABGR  || c->dstFormat==PIX_FMT_BGRA  ||
1189         c->dstFormat==PIX_FMT_BGR24 || c->dstFormat==PIX_FMT_RGB24 ||
1190         c->dstFormat==PIX_FMT_RGBA  || c->dstFormat==PIX_FMT_ARGB)
1191             altivec_yuv2packedX (c, lumFilter, lumSrc, lumFilterSize,
1192                                  chrFilter, chrSrc, chrFilterSize,
1193                                  dest, dstW, dstY);
1194     else
1195 #endif
1196         yuv2packedXinC(c, lumFilter, lumSrc, lumFilterSize,
1197                        chrFilter, chrSrc, chrFilterSize,
1198                        dest, dstW, dstY);
1199 }
1200
1201 /**
1202  * vertical bilinear scale YV12 to RGB
1203  */
1204 static inline void RENAME(yuv2packed2)(SwsContext *c, uint16_t *buf0, uint16_t *buf1, uint16_t *uvbuf0, uint16_t *uvbuf1,
1205                           uint8_t *dest, int dstW, int yalpha, int uvalpha, int y)
1206 {
1207     int  yalpha1=4095- yalpha;
1208     int uvalpha1=4095-uvalpha;
1209     int i;
1210
1211 #if 0 //isn't used
1212     if (flags&SWS_FULL_CHR_H_INT)
1213     {
1214         switch(dstFormat)
1215         {
1216 #ifdef HAVE_MMX
1217         case PIX_FMT_RGB32:
1218             asm volatile(
1219
1220
1221 FULL_YSCALEYUV2RGB
1222             "punpcklbw %%mm1, %%mm3    \n\t" // BGBGBGBG
1223             "punpcklbw %%mm7, %%mm0    \n\t" // R0R0R0R0
1224
1225             "movq      %%mm3, %%mm1    \n\t"
1226             "punpcklwd %%mm0, %%mm3    \n\t" // BGR0BGR0
1227             "punpckhwd %%mm0, %%mm1    \n\t" // BGR0BGR0
1228
1229             MOVNTQ(%%mm3,  (%4, %%REGa, 4))
1230             MOVNTQ(%%mm1, 8(%4, %%REGa, 4))
1231
1232             "add $4, %%"REG_a"  \n\t"
1233             "cmp %5, %%"REG_a"  \n\t"
1234             " jb 1b             \n\t"
1235
1236             :: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" ((long)dstW),
1237             "m" (yalpha1), "m" (uvalpha1)
1238             : "%"REG_a
1239             );
1240             break;
1241         case PIX_FMT_BGR24:
1242             asm volatile(
1243
1244 FULL_YSCALEYUV2RGB
1245
1246                                               // lsb ... msb
1247             "punpcklbw %%mm1, %%mm3     \n\t" // BGBGBGBG
1248             "punpcklbw %%mm7, %%mm0     \n\t" // R0R0R0R0
1249
1250             "movq      %%mm3, %%mm1     \n\t"
1251             "punpcklwd %%mm0, %%mm3     \n\t" // BGR0BGR0
1252             "punpckhwd %%mm0, %%mm1     \n\t" // BGR0BGR0
1253
1254             "movq      %%mm3, %%mm2     \n\t" // BGR0BGR0
1255             "psrlq        $8, %%mm3     \n\t" // GR0BGR00
1256             "pand "MANGLE(bm00000111)", %%mm2   \n\t" // BGR00000
1257             "pand "MANGLE(bm11111000)", %%mm3   \n\t" // 000BGR00
1258             "por       %%mm2, %%mm3     \n\t" // BGRBGR00
1259             "movq      %%mm1, %%mm2     \n\t"
1260             "psllq       $48, %%mm1     \n\t" // 000000BG
1261             "por       %%mm1, %%mm3     \n\t" // BGRBGRBG
1262
1263             "movq      %%mm2, %%mm1     \n\t" // BGR0BGR0
1264             "psrld       $16, %%mm2     \n\t" // R000R000
1265             "psrlq       $24, %%mm1     \n\t" // 0BGR0000
1266             "por       %%mm2, %%mm1     \n\t" // RBGRR000
1267
1268             "mov          %4, %%"REG_b" \n\t"
1269             "add   %%"REG_a", %%"REG_b" \n\t"
1270
1271 #ifdef HAVE_MMX2
1272             //FIXME Alignment
1273             "movntq %%mm3,  (%%"REG_b", %%"REG_a", 2)   \n\t"
1274             "movntq %%mm1, 8(%%"REG_b", %%"REG_a", 2)   \n\t"
1275 #else
1276             "movd %%mm3,  (%%"REG_b", %%"REG_a", 2)     \n\t"
1277             "psrlq  $32, %%mm3                          \n\t"
1278             "movd %%mm3, 4(%%"REG_b", %%"REG_a", 2)     \n\t"
1279             "movd %%mm1, 8(%%"REG_b", %%"REG_a", 2)     \n\t"
1280 #endif
1281             "add     $4, %%"REG_a"                      \n\t"
1282             "cmp     %5, %%"REG_a"                      \n\t"
1283             " jb     1b                                 \n\t"
1284
1285             :: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "m" (dest), "m" (dstW),
1286             "m" (yalpha1), "m" (uvalpha1)
1287             : "%"REG_a, "%"REG_b
1288             );
1289             break;
1290         case PIX_FMT_BGR555:
1291             asm volatile(
1292
1293 FULL_YSCALEYUV2RGB
1294 #ifdef DITHER1XBPP
1295             "paddusb "MANGLE(g5Dither)", %%mm1  \n\t"
1296             "paddusb "MANGLE(r5Dither)", %%mm0  \n\t"
1297             "paddusb "MANGLE(b5Dither)", %%mm3  \n\t"
1298 #endif
1299             "punpcklbw            %%mm7, %%mm1  \n\t" // 0G0G0G0G
1300             "punpcklbw            %%mm7, %%mm3  \n\t" // 0B0B0B0B
1301             "punpcklbw            %%mm7, %%mm0  \n\t" // 0R0R0R0R
1302
1303             "psrlw                   $3, %%mm3  \n\t"
1304             "psllw                   $2, %%mm1  \n\t"
1305             "psllw                   $7, %%mm0  \n\t"
1306             "pand     "MANGLE(g15Mask)", %%mm1  \n\t"
1307             "pand     "MANGLE(r15Mask)", %%mm0  \n\t"
1308
1309             "por                  %%mm3, %%mm1  \n\t"
1310             "por                  %%mm1, %%mm0  \n\t"
1311
1312             MOVNTQ(%%mm0, (%4, %%REGa, 2))
1313
1314             "add $4, %%"REG_a"  \n\t"
1315             "cmp %5, %%"REG_a"  \n\t"
1316             " jb 1b             \n\t"
1317
1318             :: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstW),
1319             "m" (yalpha1), "m" (uvalpha1)
1320             : "%"REG_a
1321             );
1322             break;
1323         case PIX_FMT_BGR565:
1324             asm volatile(
1325
1326 FULL_YSCALEYUV2RGB
1327 #ifdef DITHER1XBPP
1328             "paddusb "MANGLE(g6Dither)", %%mm1  \n\t"
1329             "paddusb "MANGLE(r5Dither)", %%mm0  \n\t"
1330             "paddusb "MANGLE(b5Dither)", %%mm3  \n\t"
1331 #endif
1332             "punpcklbw            %%mm7, %%mm1  \n\t" // 0G0G0G0G
1333             "punpcklbw            %%mm7, %%mm3  \n\t" // 0B0B0B0B
1334             "punpcklbw            %%mm7, %%mm0  \n\t" // 0R0R0R0R
1335
1336             "psrlw                   $3, %%mm3  \n\t"
1337             "psllw                   $3, %%mm1  \n\t"
1338             "psllw                   $8, %%mm0  \n\t"
1339             "pand     "MANGLE(g16Mask)", %%mm1  \n\t"
1340             "pand     "MANGLE(r16Mask)", %%mm0  \n\t"
1341
1342             "por                  %%mm3, %%mm1  \n\t"
1343             "por                  %%mm1, %%mm0  \n\t"
1344
1345             MOVNTQ(%%mm0, (%4, %%REGa, 2))
1346
1347             "add $4, %%"REG_a"  \n\t"
1348             "cmp %5, %%"REG_a"  \n\t"
1349             " jb 1b             \n\t"
1350
1351             :: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstW),
1352             "m" (yalpha1), "m" (uvalpha1)
1353             : "%"REG_a
1354             );
1355             break;
1356 #endif /* HAVE_MMX */
1357         case PIX_FMT_BGR32:
1358 #ifndef HAVE_MMX
1359         case PIX_FMT_RGB32:
1360 #endif
1361             if (dstFormat==PIX_FMT_RGB32)
1362             {
1363                 int i;
1364 #ifdef WORDS_BIGENDIAN
1365                 dest++;
1366 #endif
1367                 for (i=0;i<dstW;i++){
1368                     // vertical linear interpolation && yuv2rgb in a single step:
1369                     int Y=yuvtab_2568[((buf0[i]*yalpha1+buf1[i]*yalpha)>>19)];
1370                     int U=((uvbuf0[i]*uvalpha1+uvbuf1[i]*uvalpha)>>19);
1371                     int V=((uvbuf0[i+VOFW]*uvalpha1+uvbuf1[i+VOFW]*uvalpha)>>19);
1372                     dest[0]=clip_table[((Y + yuvtab_40cf[U]) >>13)];
1373                     dest[1]=clip_table[((Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13)];
1374                     dest[2]=clip_table[((Y + yuvtab_3343[V]) >>13)];
1375                     dest+= 4;
1376                 }
1377             }
1378             else if (dstFormat==PIX_FMT_BGR24)
1379             {
1380                 int i;
1381                 for (i=0;i<dstW;i++){
1382                     // vertical linear interpolation && yuv2rgb in a single step:
1383                     int Y=yuvtab_2568[((buf0[i]*yalpha1+buf1[i]*yalpha)>>19)];
1384                     int U=((uvbuf0[i]*uvalpha1+uvbuf1[i]*uvalpha)>>19);
1385                     int V=((uvbuf0[i+VOFW]*uvalpha1+uvbuf1[i+VOFW]*uvalpha)>>19);
1386                     dest[0]=clip_table[((Y + yuvtab_40cf[U]) >>13)];
1387                     dest[1]=clip_table[((Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13)];
1388                     dest[2]=clip_table[((Y + yuvtab_3343[V]) >>13)];
1389                     dest+= 3;
1390                 }
1391             }
1392             else if (dstFormat==PIX_FMT_BGR565)
1393             {
1394                 int i;
1395                 for (i=0;i<dstW;i++){
1396                     // vertical linear interpolation && yuv2rgb in a single step:
1397                     int Y=yuvtab_2568[((buf0[i]*yalpha1+buf1[i]*yalpha)>>19)];
1398                     int U=((uvbuf0[i]*uvalpha1+uvbuf1[i]*uvalpha)>>19);
1399                     int V=((uvbuf0[i+VOFW]*uvalpha1+uvbuf1[i+VOFW]*uvalpha)>>19);
1400
1401                     ((uint16_t*)dest)[i] =
1402                         clip_table16b[(Y + yuvtab_40cf[U]) >>13] |
1403                         clip_table16g[(Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13] |
1404                         clip_table16r[(Y + yuvtab_3343[V]) >>13];
1405                 }
1406             }
1407             else if (dstFormat==PIX_FMT_BGR555)
1408             {
1409                 int i;
1410                 for (i=0;i<dstW;i++){
1411                     // vertical linear interpolation && yuv2rgb in a single step:
1412                     int Y=yuvtab_2568[((buf0[i]*yalpha1+buf1[i]*yalpha)>>19)];
1413                     int U=((uvbuf0[i]*uvalpha1+uvbuf1[i]*uvalpha)>>19);
1414                     int V=((uvbuf0[i+VOFW]*uvalpha1+uvbuf1[i+VOFW]*uvalpha)>>19);
1415
1416                     ((uint16_t*)dest)[i] =
1417                         clip_table15b[(Y + yuvtab_40cf[U]) >>13] |
1418                         clip_table15g[(Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13] |
1419                         clip_table15r[(Y + yuvtab_3343[V]) >>13];
1420                 }
1421             }
1422         }//FULL_UV_IPOL
1423     else
1424     {
1425 #endif // if 0
1426 #ifdef HAVE_MMX
1427         switch(c->dstFormat)
1428         {
1429             //Note 8280 == DSTW_OFFSET but the preprocessor can't handle that there :(
1430             case PIX_FMT_RGB32:
1431                 asm volatile(
1432                 "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1433                 "mov        %4, %%"REG_b"               \n\t"
1434                 "push %%"REG_BP"                        \n\t"
1435                 YSCALEYUV2RGB(%%REGBP, %5)
1436                 WRITEBGR32(%%REGb, 8280(%5), %%REGBP)
1437                 "pop %%"REG_BP"                         \n\t"
1438                 "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1439
1440                 :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1441                 "a" (&c->redDither)
1442                 );
1443                 return;
1444             case PIX_FMT_BGR24:
1445                 asm volatile(
1446                 "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1447                 "mov        %4, %%"REG_b"               \n\t"
1448                 "push %%"REG_BP"                        \n\t"
1449                 YSCALEYUV2RGB(%%REGBP, %5)
1450                 WRITEBGR24(%%REGb, 8280(%5), %%REGBP)
1451                 "pop %%"REG_BP"                         \n\t"
1452                 "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1453                 :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1454                 "a" (&c->redDither)
1455                 );
1456                 return;
1457             case PIX_FMT_RGB555:
1458                 asm volatile(
1459                 "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1460                 "mov        %4, %%"REG_b"               \n\t"
1461                 "push %%"REG_BP"                        \n\t"
1462                 YSCALEYUV2RGB(%%REGBP, %5)
1463                 /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1464 #ifdef DITHER1XBPP
1465                 "paddusb "MANGLE(b5Dither)", %%mm2      \n\t"
1466                 "paddusb "MANGLE(g5Dither)", %%mm4      \n\t"
1467                 "paddusb "MANGLE(r5Dither)", %%mm5      \n\t"
1468 #endif
1469
1470                 WRITERGB15(%%REGb, 8280(%5), %%REGBP)
1471                 "pop %%"REG_BP"                         \n\t"
1472                 "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1473
1474                 :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1475                 "a" (&c->redDither)
1476                 );
1477                 return;
1478             case PIX_FMT_RGB565:
1479                 asm volatile(
1480                 "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1481                 "mov        %4, %%"REG_b"               \n\t"
1482                 "push %%"REG_BP"                        \n\t"
1483                 YSCALEYUV2RGB(%%REGBP, %5)
1484                 /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1485 #ifdef DITHER1XBPP
1486                 "paddusb "MANGLE(b5Dither)", %%mm2      \n\t"
1487                 "paddusb "MANGLE(g6Dither)", %%mm4      \n\t"
1488                 "paddusb "MANGLE(r5Dither)", %%mm5      \n\t"
1489 #endif
1490
1491                 WRITERGB16(%%REGb, 8280(%5), %%REGBP)
1492                 "pop %%"REG_BP"                         \n\t"
1493                 "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1494                 :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1495                 "a" (&c->redDither)
1496                 );
1497                 return;
1498             case PIX_FMT_YUYV422:
1499                 asm volatile(
1500                 "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1501                 "mov %4, %%"REG_b"                        \n\t"
1502                 "push %%"REG_BP"                        \n\t"
1503                 YSCALEYUV2PACKED(%%REGBP, %5)
1504                 WRITEYUY2(%%REGb, 8280(%5), %%REGBP)
1505                 "pop %%"REG_BP"                         \n\t"
1506                 "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1507                 :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1508                 "a" (&c->redDither)
1509                 );
1510                 return;
1511             default: break;
1512         }
1513 #endif //HAVE_MMX
1514 YSCALE_YUV_2_ANYRGB_C(YSCALE_YUV_2_RGB2_C, YSCALE_YUV_2_PACKED2_C, YSCALE_YUV_2_GRAY16_2_C, YSCALE_YUV_2_MONOBLACK2_C)
1515 }
1516
1517 /**
1518  * YV12 to RGB without scaling or interpolating
1519  */
1520 static inline void RENAME(yuv2packed1)(SwsContext *c, uint16_t *buf0, uint16_t *uvbuf0, uint16_t *uvbuf1,
1521                           uint8_t *dest, int dstW, int uvalpha, int dstFormat, int flags, int y)
1522 {
1523     const int yalpha1=0;
1524     int i;
1525
1526     uint16_t *buf1= buf0; //FIXME needed for RGB1/BGR1
1527     const int yalpha= 4096; //FIXME ...
1528
1529     if (flags&SWS_FULL_CHR_H_INT)
1530     {
1531         RENAME(yuv2packed2)(c, buf0, buf0, uvbuf0, uvbuf1, dest, dstW, 0, uvalpha, y);
1532         return;
1533     }
1534
1535 #ifdef HAVE_MMX
1536     if (uvalpha < 2048) // note this is not correct (shifts chrominance by 0.5 pixels) but it is a bit faster
1537     {
1538         switch(dstFormat)
1539         {
1540         case PIX_FMT_RGB32:
1541             asm volatile(
1542             "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1543             "mov        %4, %%"REG_b"               \n\t"
1544             "push %%"REG_BP"                        \n\t"
1545             YSCALEYUV2RGB1(%%REGBP, %5)
1546             WRITEBGR32(%%REGb, 8280(%5), %%REGBP)
1547             "pop %%"REG_BP"                         \n\t"
1548             "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1549
1550             :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1551             "a" (&c->redDither)
1552             );
1553             return;
1554         case PIX_FMT_BGR24:
1555             asm volatile(
1556             "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1557             "mov        %4, %%"REG_b"               \n\t"
1558             "push %%"REG_BP"                        \n\t"
1559             YSCALEYUV2RGB1(%%REGBP, %5)
1560             WRITEBGR24(%%REGb, 8280(%5), %%REGBP)
1561             "pop %%"REG_BP"                         \n\t"
1562             "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1563
1564             :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1565             "a" (&c->redDither)
1566             );
1567             return;
1568         case PIX_FMT_RGB555:
1569             asm volatile(
1570             "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1571             "mov        %4, %%"REG_b"               \n\t"
1572             "push %%"REG_BP"                        \n\t"
1573             YSCALEYUV2RGB1(%%REGBP, %5)
1574             /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1575 #ifdef DITHER1XBPP
1576             "paddusb "MANGLE(b5Dither)", %%mm2      \n\t"
1577             "paddusb "MANGLE(g5Dither)", %%mm4      \n\t"
1578             "paddusb "MANGLE(r5Dither)", %%mm5      \n\t"
1579 #endif
1580             WRITERGB15(%%REGb, 8280(%5), %%REGBP)
1581             "pop %%"REG_BP"                         \n\t"
1582             "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1583
1584             :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1585             "a" (&c->redDither)
1586             );
1587             return;
1588         case PIX_FMT_RGB565:
1589             asm volatile(
1590             "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1591             "mov        %4, %%"REG_b"               \n\t"
1592             "push %%"REG_BP"                        \n\t"
1593             YSCALEYUV2RGB1(%%REGBP, %5)
1594             /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1595 #ifdef DITHER1XBPP
1596             "paddusb "MANGLE(b5Dither)", %%mm2      \n\t"
1597             "paddusb "MANGLE(g6Dither)", %%mm4      \n\t"
1598             "paddusb "MANGLE(r5Dither)", %%mm5      \n\t"
1599 #endif
1600
1601             WRITERGB16(%%REGb, 8280(%5), %%REGBP)
1602             "pop %%"REG_BP"                         \n\t"
1603             "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1604
1605             :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1606             "a" (&c->redDither)
1607             );
1608             return;
1609         case PIX_FMT_YUYV422:
1610             asm volatile(
1611             "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1612             "mov        %4, %%"REG_b"               \n\t"
1613             "push %%"REG_BP"                        \n\t"
1614             YSCALEYUV2PACKED1(%%REGBP, %5)
1615             WRITEYUY2(%%REGb, 8280(%5), %%REGBP)
1616             "pop %%"REG_BP"                         \n\t"
1617             "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1618
1619             :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1620             "a" (&c->redDither)
1621             );
1622             return;
1623         }
1624     }
1625     else
1626     {
1627         switch(dstFormat)
1628         {
1629         case PIX_FMT_RGB32:
1630             asm volatile(
1631             "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1632             "mov        %4, %%"REG_b"               \n\t"
1633             "push %%"REG_BP"                        \n\t"
1634             YSCALEYUV2RGB1b(%%REGBP, %5)
1635             WRITEBGR32(%%REGb, 8280(%5), %%REGBP)
1636             "pop %%"REG_BP"                         \n\t"
1637             "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1638
1639             :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1640             "a" (&c->redDither)
1641             );
1642             return;
1643         case PIX_FMT_BGR24:
1644             asm volatile(
1645             "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1646             "mov        %4, %%"REG_b"               \n\t"
1647             "push %%"REG_BP"                        \n\t"
1648             YSCALEYUV2RGB1b(%%REGBP, %5)
1649             WRITEBGR24(%%REGb, 8280(%5), %%REGBP)
1650             "pop %%"REG_BP"                         \n\t"
1651             "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1652
1653             :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1654             "a" (&c->redDither)
1655             );
1656             return;
1657         case PIX_FMT_RGB555:
1658             asm volatile(
1659             "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1660             "mov        %4, %%"REG_b"               \n\t"
1661             "push %%"REG_BP"                        \n\t"
1662             YSCALEYUV2RGB1b(%%REGBP, %5)
1663             /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1664 #ifdef DITHER1XBPP
1665             "paddusb "MANGLE(b5Dither)", %%mm2      \n\t"
1666             "paddusb "MANGLE(g5Dither)", %%mm4      \n\t"
1667             "paddusb "MANGLE(r5Dither)", %%mm5      \n\t"
1668 #endif
1669             WRITERGB15(%%REGb, 8280(%5), %%REGBP)
1670             "pop %%"REG_BP"                         \n\t"
1671             "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1672
1673             :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1674             "a" (&c->redDither)
1675             );
1676             return;
1677         case PIX_FMT_RGB565:
1678             asm volatile(
1679             "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1680             "mov        %4, %%"REG_b"               \n\t"
1681             "push %%"REG_BP"                        \n\t"
1682             YSCALEYUV2RGB1b(%%REGBP, %5)
1683             /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1684 #ifdef DITHER1XBPP
1685             "paddusb "MANGLE(b5Dither)", %%mm2      \n\t"
1686             "paddusb "MANGLE(g6Dither)", %%mm4      \n\t"
1687             "paddusb "MANGLE(r5Dither)", %%mm5      \n\t"
1688 #endif
1689
1690             WRITERGB16(%%REGb, 8280(%5), %%REGBP)
1691             "pop %%"REG_BP"                         \n\t"
1692             "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1693
1694             :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1695             "a" (&c->redDither)
1696             );
1697             return;
1698         case PIX_FMT_YUYV422:
1699             asm volatile(
1700             "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1701             "mov        %4, %%"REG_b"               \n\t"
1702             "push %%"REG_BP"                        \n\t"
1703             YSCALEYUV2PACKED1b(%%REGBP, %5)
1704             WRITEYUY2(%%REGb, 8280(%5), %%REGBP)
1705             "pop %%"REG_BP"                         \n\t"
1706             "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1707
1708             :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1709             "a" (&c->redDither)
1710             );
1711             return;
1712         }
1713     }
1714 #endif /* HAVE_MMX */
1715     if (uvalpha < 2048)
1716     {
1717         YSCALE_YUV_2_ANYRGB_C(YSCALE_YUV_2_RGB1_C, YSCALE_YUV_2_PACKED1_C, YSCALE_YUV_2_GRAY16_1_C, YSCALE_YUV_2_MONOBLACK2_C)
1718     }else{
1719         YSCALE_YUV_2_ANYRGB_C(YSCALE_YUV_2_RGB1B_C, YSCALE_YUV_2_PACKED1B_C, YSCALE_YUV_2_GRAY16_1_C, YSCALE_YUV_2_MONOBLACK2_C)
1720     }
1721 }
1722
1723 //FIXME yuy2* can read up to 7 samples too much
1724
1725 static inline void RENAME(yuy2ToY)(uint8_t *dst, uint8_t *src, long width)
1726 {
1727 #ifdef HAVE_MMX
1728     asm volatile(
1729     "movq "MANGLE(bm01010101)", %%mm2           \n\t"
1730     "mov                    %0, %%"REG_a"       \n\t"
1731     "1:                                         \n\t"
1732     "movq    (%1, %%"REG_a",2), %%mm0           \n\t"
1733     "movq   8(%1, %%"REG_a",2), %%mm1           \n\t"
1734     "pand                %%mm2, %%mm0           \n\t"
1735     "pand                %%mm2, %%mm1           \n\t"
1736     "packuswb            %%mm1, %%mm0           \n\t"
1737     "movq                %%mm0, (%2, %%"REG_a") \n\t"
1738     "add                    $8, %%"REG_a"       \n\t"
1739     " js                    1b                  \n\t"
1740     : : "g" (-width), "r" (src+width*2), "r" (dst+width)
1741     : "%"REG_a
1742     );
1743 #else
1744     int i;
1745     for (i=0; i<width; i++)
1746         dst[i]= src[2*i];
1747 #endif
1748 }
1749
1750 static inline void RENAME(yuy2ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width)
1751 {
1752 #ifdef HAVE_MMX
1753     asm volatile(
1754     "movq "MANGLE(bm01010101)", %%mm4           \n\t"
1755     "mov                    %0, %%"REG_a"       \n\t"
1756     "1:                                         \n\t"
1757     "movq    (%1, %%"REG_a",4), %%mm0           \n\t"
1758     "movq   8(%1, %%"REG_a",4), %%mm1           \n\t"
1759     "psrlw                  $8, %%mm0           \n\t"
1760     "psrlw                  $8, %%mm1           \n\t"
1761     "packuswb            %%mm1, %%mm0           \n\t"
1762     "movq                %%mm0, %%mm1           \n\t"
1763     "psrlw                  $8, %%mm0           \n\t"
1764     "pand                %%mm4, %%mm1           \n\t"
1765     "packuswb            %%mm0, %%mm0           \n\t"
1766     "packuswb            %%mm1, %%mm1           \n\t"
1767     "movd                %%mm0, (%3, %%"REG_a") \n\t"
1768     "movd                %%mm1, (%2, %%"REG_a") \n\t"
1769     "add                    $4, %%"REG_a"       \n\t"
1770     " js                    1b                  \n\t"
1771     : : "g" (-width), "r" (src1+width*4), "r" (dstU+width), "r" (dstV+width)
1772     : "%"REG_a
1773     );
1774 #else
1775     int i;
1776     for (i=0; i<width; i++)
1777     {
1778         dstU[i]= src1[4*i + 1];
1779         dstV[i]= src1[4*i + 3];
1780     }
1781 #endif
1782     assert(src1 == src2);
1783 }
1784
1785 /* This is almost identical to the previous, end exists only because
1786  * yuy2ToY/UV)(dst, src+1, ...) would have 100% unaligned accesses. */
1787 static inline void RENAME(uyvyToY)(uint8_t *dst, uint8_t *src, long width)
1788 {
1789 #ifdef HAVE_MMX
1790     asm volatile(
1791     "mov                  %0, %%"REG_a"         \n\t"
1792     "1:                                         \n\t"
1793     "movq  (%1, %%"REG_a",2), %%mm0             \n\t"
1794     "movq 8(%1, %%"REG_a",2), %%mm1             \n\t"
1795     "psrlw                $8, %%mm0             \n\t"
1796     "psrlw                $8, %%mm1             \n\t"
1797     "packuswb          %%mm1, %%mm0             \n\t"
1798     "movq              %%mm0, (%2, %%"REG_a")   \n\t"
1799     "add                  $8, %%"REG_a"         \n\t"
1800     " js                  1b                    \n\t"
1801     : : "g" (-width), "r" (src+width*2), "r" (dst+width)
1802     : "%"REG_a
1803     );
1804 #else
1805     int i;
1806     for (i=0; i<width; i++)
1807         dst[i]= src[2*i+1];
1808 #endif
1809 }
1810
1811 static inline void RENAME(uyvyToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width)
1812 {
1813 #ifdef HAVE_MMX
1814     asm volatile(
1815     "movq "MANGLE(bm01010101)", %%mm4           \n\t"
1816     "mov                    %0, %%"REG_a"       \n\t"
1817     "1:                                         \n\t"
1818     "movq    (%1, %%"REG_a",4), %%mm0           \n\t"
1819     "movq   8(%1, %%"REG_a",4), %%mm1           \n\t"
1820     "pand                %%mm4, %%mm0           \n\t"
1821     "pand                %%mm4, %%mm1           \n\t"
1822     "packuswb            %%mm1, %%mm0           \n\t"
1823     "movq                %%mm0, %%mm1           \n\t"
1824     "psrlw                  $8, %%mm0           \n\t"
1825     "pand                %%mm4, %%mm1           \n\t"
1826     "packuswb            %%mm0, %%mm0           \n\t"
1827     "packuswb            %%mm1, %%mm1           \n\t"
1828     "movd                %%mm0, (%3, %%"REG_a") \n\t"
1829     "movd                %%mm1, (%2, %%"REG_a") \n\t"
1830     "add                    $4, %%"REG_a"       \n\t"
1831     " js                    1b                  \n\t"
1832     : : "g" (-width), "r" (src1+width*4), "r" (dstU+width), "r" (dstV+width)
1833     : "%"REG_a
1834     );
1835 #else
1836     int i;
1837     for (i=0; i<width; i++)
1838     {
1839         dstU[i]= src1[4*i + 0];
1840         dstV[i]= src1[4*i + 2];
1841     }
1842 #endif
1843     assert(src1 == src2);
1844 }
1845
1846 #define BGR2Y(type, name, shr, shg, shb, maskr, maskg, maskb, RY, GY, BY, S)\
1847 static inline void RENAME(name)(uint8_t *dst, uint8_t *src, long width)\
1848 {\
1849     int i;\
1850     for (i=0; i<width; i++)\
1851     {\
1852         int b= (((type*)src)[i]>>shb)&maskb;\
1853         int g= (((type*)src)[i]>>shg)&maskg;\
1854         int r= (((type*)src)[i]>>shr)&maskr;\
1855 \
1856         dst[i]= (((RY)*r + (GY)*g + (BY)*b + (33<<((S)-1)))>>(S));\
1857     }\
1858 }
1859
1860 BGR2Y(uint32_t, bgr32ToY,16, 0, 0, 0x00FF, 0xFF00, 0x00FF, RY<< 8, GY   , BY<< 8, RGB2YUV_SHIFT+8)
1861 BGR2Y(uint32_t, rgb32ToY, 0, 0,16, 0x00FF, 0xFF00, 0x00FF, RY<< 8, GY   , BY<< 8, RGB2YUV_SHIFT+8)
1862 BGR2Y(uint16_t, bgr16ToY, 0, 0, 0, 0x001F, 0x07E0, 0xF800, RY<<11, GY<<5, BY    , RGB2YUV_SHIFT+8)
1863 BGR2Y(uint16_t, bgr15ToY, 0, 0, 0, 0x001F, 0x03E0, 0x7C00, RY<<10, GY<<5, BY    , RGB2YUV_SHIFT+7)
1864 BGR2Y(uint16_t, rgb16ToY, 0, 0, 0, 0xF800, 0x07E0, 0x001F, RY    , GY<<5, BY<<11, RGB2YUV_SHIFT+8)
1865 BGR2Y(uint16_t, rgb15ToY, 0, 0, 0, 0x7C00, 0x03E0, 0x001F, RY    , GY<<5, BY<<10, RGB2YUV_SHIFT+7)
1866
1867 #define BGR2UV(type, name, shr, shg, shb, maskr, maskg, maskb, RU, GU, BU, RV, GV, BV, S)\
1868 static inline void RENAME(name)(uint8_t *dstU, uint8_t *dstV, uint8_t *src, uint8_t *dummy, long width)\
1869 {\
1870     int i;\
1871     for (i=0; i<width; i++)\
1872     {\
1873         int b= (((type*)src)[i]&maskb)>>shb;\
1874         int g= (((type*)src)[i]&maskg)>>shg;\
1875         int r= (((type*)src)[i]&maskr)>>shr;\
1876 \
1877         dstU[i]= ((RU)*r + (GU)*g + (BU)*b + (257<<((S)-1)))>>(S);\
1878         dstV[i]= ((RV)*r + (GV)*g + (BV)*b + (257<<((S)-1)))>>(S);\
1879     }\
1880 }\
1881 static inline void RENAME(name ## _half)(uint8_t *dstU, uint8_t *dstV, uint8_t *src, uint8_t *dummy, long width)\
1882 {\
1883     int i;\
1884     for (i=0; i<width; i++)\
1885     {\
1886         int pix0= ((type*)src)[2*i+0];\
1887         int pix1= ((type*)src)[2*i+1];\
1888         int g= (pix0&maskg)+(pix1&maskg);\
1889         int b= ((pix0+pix1-g)&(maskb|(2*maskb)))>>shb;\
1890         int r= ((pix0+pix1-g)&(maskr|(2*maskr)))>>shr;\
1891 \
1892         g>>=shg;\
1893 \
1894         dstU[i]= ((RU)*r + (GU)*g + (BU)*b + (257<<(S)))>>((S)+1);\
1895         dstV[i]= ((RV)*r + (GV)*g + (BV)*b + (257<<(S)))>>((S)+1);\
1896     }\
1897 }
1898
1899 BGR2UV(uint32_t, bgr32ToUV,16, 0, 0, 0xFF0000, 0xFF00, 0x00FF, RU<< 8, GU   , BU<< 8, RV<< 8, GV   , BV<< 8, RGB2YUV_SHIFT+8)
1900 BGR2UV(uint32_t, rgb32ToUV, 0, 0,16, 0x00FF, 0xFF00, 0xFF0000, RU<< 8, GU   , BU<< 8, RV<< 8, GV   , BV<< 8, RGB2YUV_SHIFT+8)
1901 BGR2UV(uint16_t, bgr16ToUV, 0, 0, 0, 0x001F, 0x07E0, 0xF800, RU<<11, GU<<5, BU    , RV<<11, GV<<5, BV    , RGB2YUV_SHIFT+8)
1902 BGR2UV(uint16_t, bgr15ToUV, 0, 0, 0, 0x001F, 0x03E0, 0x7C00, RU<<10, GU<<5, BU    , RV<<10, GV<<5, BV    , RGB2YUV_SHIFT+7)
1903 BGR2UV(uint16_t, rgb16ToUV, 0, 0, 0, 0xF800, 0x07E0, 0x001F, RU    , GU<<5, BU<<11, RV    , GV<<5, BV<<11, RGB2YUV_SHIFT+8)
1904 BGR2UV(uint16_t, rgb15ToUV, 0, 0, 0, 0x7C00, 0x03E0, 0x001F, RU    , GU<<5, BU<<10, RV    , GV<<5, BV<<10, RGB2YUV_SHIFT+7)
1905
1906 #ifdef HAVE_MMX
1907 static inline void bgr24ToY_mmx(uint8_t *dst, uint8_t *src, long width, int srcFormat)
1908 {
1909
1910     if(srcFormat == PIX_FMT_BGR24){
1911         asm volatile(
1912             "movq  "MANGLE(ff_bgr24toY1Coeff)", %%mm5       \n\t"
1913             "movq  "MANGLE(ff_bgr24toY2Coeff)", %%mm6       \n\t"
1914             :
1915         );
1916     }else{
1917         asm volatile(
1918             "movq  "MANGLE(ff_rgb24toY1Coeff)", %%mm5       \n\t"
1919             "movq  "MANGLE(ff_rgb24toY2Coeff)", %%mm6       \n\t"
1920             :
1921         );
1922     }
1923
1924     asm volatile(
1925         "movq  "MANGLE(ff_bgr24toYOffset)", %%mm4   \n\t"
1926         "mov                        %2, %%"REG_a"   \n\t"
1927         "pxor                    %%mm7, %%mm7       \n\t"
1928         "1:                                         \n\t"
1929         PREFETCH"               64(%0)              \n\t"
1930         "movd                     (%0), %%mm0       \n\t"
1931         "movd                    2(%0), %%mm1       \n\t"
1932         "movd                    6(%0), %%mm2       \n\t"
1933         "movd                    8(%0), %%mm3       \n\t"
1934         "add                       $12, %0          \n\t"
1935         "punpcklbw               %%mm7, %%mm0       \n\t"
1936         "punpcklbw               %%mm7, %%mm1       \n\t"
1937         "punpcklbw               %%mm7, %%mm2       \n\t"
1938         "punpcklbw               %%mm7, %%mm3       \n\t"
1939         "pmaddwd                 %%mm5, %%mm0       \n\t"
1940         "pmaddwd                 %%mm6, %%mm1       \n\t"
1941         "pmaddwd                 %%mm5, %%mm2       \n\t"
1942         "pmaddwd                 %%mm6, %%mm3       \n\t"
1943         "paddd                   %%mm1, %%mm0       \n\t"
1944         "paddd                   %%mm3, %%mm2       \n\t"
1945         "paddd                   %%mm4, %%mm0       \n\t"
1946         "paddd                   %%mm4, %%mm2       \n\t"
1947         "psrad                     $15, %%mm0       \n\t"
1948         "psrad                     $15, %%mm2       \n\t"
1949         "packssdw                %%mm2, %%mm0       \n\t"
1950         "packuswb                %%mm0, %%mm0       \n\t"
1951         "movd                %%mm0, (%1, %%"REG_a") \n\t"
1952         "add                        $4, %%"REG_a"   \n\t"
1953         " js                        1b              \n\t"
1954     : "+r" (src)
1955     : "r" (dst+width), "g" (-width)
1956     : "%"REG_a
1957     );
1958 }
1959
1960 static inline void bgr24ToUV_mmx(uint8_t *dstU, uint8_t *dstV, uint8_t *src, long width, int srcFormat)
1961 {
1962     asm volatile(
1963         "movq                    24+%4, %%mm6       \n\t"
1964         "mov                        %3, %%"REG_a"   \n\t"
1965         "pxor                    %%mm7, %%mm7       \n\t"
1966         "1:                                         \n\t"
1967         PREFETCH"               64(%0)              \n\t"
1968         "movd                     (%0), %%mm0       \n\t"
1969         "movd                    2(%0), %%mm1       \n\t"
1970         "punpcklbw               %%mm7, %%mm0       \n\t"
1971         "punpcklbw               %%mm7, %%mm1       \n\t"
1972         "movq                    %%mm0, %%mm2       \n\t"
1973         "movq                    %%mm1, %%mm3       \n\t"
1974         "pmaddwd                    %4, %%mm0       \n\t"
1975         "pmaddwd                  8+%4, %%mm1       \n\t"
1976         "pmaddwd                 16+%4, %%mm2       \n\t"
1977         "pmaddwd                 %%mm6, %%mm3       \n\t"
1978         "paddd                   %%mm1, %%mm0       \n\t"
1979         "paddd                   %%mm3, %%mm2       \n\t"
1980
1981         "movd                    6(%0), %%mm1       \n\t"
1982         "movd                    8(%0), %%mm3       \n\t"
1983         "add                       $12, %0          \n\t"
1984         "punpcklbw               %%mm7, %%mm1       \n\t"
1985         "punpcklbw               %%mm7, %%mm3       \n\t"
1986         "movq                    %%mm1, %%mm4       \n\t"
1987         "movq                    %%mm3, %%mm5       \n\t"
1988         "pmaddwd                    %4, %%mm1       \n\t"
1989         "pmaddwd                  8+%4, %%mm3       \n\t"
1990         "pmaddwd                 16+%4, %%mm4       \n\t"
1991         "pmaddwd                 %%mm6, %%mm5       \n\t"
1992         "paddd                   %%mm3, %%mm1       \n\t"
1993         "paddd                   %%mm5, %%mm4       \n\t"
1994
1995         "movq "MANGLE(ff_bgr24toUVOffset)", %%mm3       \n\t"
1996         "paddd                   %%mm3, %%mm0       \n\t"
1997         "paddd                   %%mm3, %%mm2       \n\t"
1998         "paddd                   %%mm3, %%mm1       \n\t"
1999         "paddd                   %%mm3, %%mm4       \n\t"
2000         "psrad                     $15, %%mm0       \n\t"
2001         "psrad                     $15, %%mm2       \n\t"
2002         "psrad                     $15, %%mm1       \n\t"
2003         "psrad                     $15, %%mm4       \n\t"
2004         "packssdw                %%mm1, %%mm0       \n\t"
2005         "packssdw                %%mm4, %%mm2       \n\t"
2006         "packuswb                %%mm0, %%mm0       \n\t"
2007         "packuswb                %%mm2, %%mm2       \n\t"
2008         "movd                %%mm0, (%1, %%"REG_a") \n\t"
2009         "movd                %%mm2, (%2, %%"REG_a") \n\t"
2010         "add                        $4, %%"REG_a"   \n\t"
2011         " js                        1b              \n\t"
2012     : "+r" (src)
2013     : "r" (dstU+width), "r" (dstV+width), "g" (-width), "m"(ff_bgr24toUV[srcFormat == PIX_FMT_RGB24][0])
2014     : "%"REG_a
2015     );
2016 }
2017 #endif
2018
2019 static inline void RENAME(bgr24ToY)(uint8_t *dst, uint8_t *src, long width)
2020 {
2021 #ifdef HAVE_MMX
2022     bgr24ToY_mmx(dst, src, width, PIX_FMT_BGR24);
2023 #else
2024     int i;
2025     for (i=0; i<width; i++)
2026     {
2027         int b= src[i*3+0];
2028         int g= src[i*3+1];
2029         int r= src[i*3+2];
2030
2031         dst[i]= ((RY*r + GY*g + BY*b + (33<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT);
2032     }
2033 #endif /* HAVE_MMX */
2034 }
2035
2036 static inline void RENAME(bgr24ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width)
2037 {
2038 #ifdef HAVE_MMX
2039     bgr24ToUV_mmx(dstU, dstV, src1, width, PIX_FMT_BGR24);
2040 #else
2041     int i;
2042     for (i=0; i<width; i++)
2043     {
2044         int b= src1[3*i + 0];
2045         int g= src1[3*i + 1];
2046         int r= src1[3*i + 2];
2047
2048         dstU[i]= (RU*r + GU*g + BU*b + (257<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT;
2049         dstV[i]= (RV*r + GV*g + BV*b + (257<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT;
2050     }
2051 #endif /* HAVE_MMX */
2052     assert(src1 == src2);
2053 }
2054
2055 static inline void RENAME(bgr24ToUV_half)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width)
2056 {
2057     int i;
2058     for (i=0; i<width; i++)
2059     {
2060         int b= src1[6*i + 0] + src1[6*i + 3];
2061         int g= src1[6*i + 1] + src1[6*i + 4];
2062         int r= src1[6*i + 2] + src1[6*i + 5];
2063
2064         dstU[i]= (RU*r + GU*g + BU*b + (257<<RGB2YUV_SHIFT))>>(RGB2YUV_SHIFT+1);
2065         dstV[i]= (RV*r + GV*g + BV*b + (257<<RGB2YUV_SHIFT))>>(RGB2YUV_SHIFT+1);
2066     }
2067     assert(src1 == src2);
2068 }
2069
2070 static inline void RENAME(rgb24ToY)(uint8_t *dst, uint8_t *src, long width)
2071 {
2072 #ifdef HAVE_MMX
2073     bgr24ToY_mmx(dst, src, width, PIX_FMT_RGB24);
2074 #else
2075     int i;
2076     for (i=0; i<width; i++)
2077     {
2078         int r= src[i*3+0];
2079         int g= src[i*3+1];
2080         int b= src[i*3+2];
2081
2082         dst[i]= ((RY*r + GY*g + BY*b + (33<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT);
2083     }
2084 #endif
2085 }
2086
2087 static inline void RENAME(rgb24ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width)
2088 {
2089     int i;
2090     assert(src1==src2);
2091 #ifdef HAVE_MMX
2092     bgr24ToUV_mmx(dstU, dstV, src1, width, PIX_FMT_RGB24);
2093 #else
2094     for (i=0; i<width; i++)
2095     {
2096         int r= src1[3*i + 0];
2097         int g= src1[3*i + 1];
2098         int b= src1[3*i + 2];
2099
2100         dstU[i]= (RU*r + GU*g + BU*b + (257<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT;
2101         dstV[i]= (RV*r + GV*g + BV*b + (257<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT;
2102     }
2103 #endif
2104 }
2105
2106 static inline void RENAME(rgb24ToUV_half)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width)
2107 {
2108     int i;
2109     assert(src1==src2);
2110     for (i=0; i<width; i++)
2111     {
2112         int r= src1[6*i + 0] + src1[6*i + 0];
2113         int g= src1[6*i + 1] + src1[6*i + 1];
2114         int b= src1[6*i + 2] + src1[6*i + 2];
2115
2116         dstU[i]= (RU*r + GU*g + BU*b + (257<<RGB2YUV_SHIFT))>>(RGB2YUV_SHIFT+1);
2117         dstV[i]= (RV*r + GV*g + BV*b + (257<<RGB2YUV_SHIFT))>>(RGB2YUV_SHIFT+1);
2118     }
2119 }
2120
2121
2122 static inline void RENAME(palToY)(uint8_t *dst, uint8_t *src, long width, uint32_t *pal)
2123 {
2124     int i;
2125     for (i=0; i<width; i++)
2126     {
2127         int d= src[i];
2128
2129         dst[i]= pal[d] & 0xFF;
2130     }
2131 }
2132
2133 static inline void RENAME(palToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width, uint32_t *pal)
2134 {
2135     int i;
2136     assert(src1 == src2);
2137     for (i=0; i<width; i++)
2138     {
2139         int p= pal[src1[i]];
2140
2141         dstU[i]= p>>8;
2142         dstV[i]= p>>16;
2143     }
2144 }
2145
2146 // bilinear / bicubic scaling
2147 static inline void RENAME(hScale)(int16_t *dst, int dstW, uint8_t *src, int srcW, int xInc,
2148                                   int16_t *filter, int16_t *filterPos, long filterSize)
2149 {
2150 #ifdef HAVE_MMX
2151     assert(filterSize % 4 == 0 && filterSize>0);
2152     if (filterSize==4) // Always true for upscaling, sometimes for down, too.
2153     {
2154         long counter= -2*dstW;
2155         filter-= counter*2;
2156         filterPos-= counter/2;
2157         dst-= counter/2;
2158         asm volatile(
2159 #if defined(PIC)
2160         "push            %%"REG_b"              \n\t"
2161 #endif
2162         "pxor                %%mm7, %%mm7       \n\t"
2163         "movq        "MANGLE(w02)", %%mm6       \n\t"
2164         "push           %%"REG_BP"              \n\t" // we use 7 regs here ...
2165         "mov             %%"REG_a", %%"REG_BP"  \n\t"
2166         ASMALIGN(4)
2167         "1:                                     \n\t"
2168         "movzwl   (%2, %%"REG_BP"), %%eax       \n\t"
2169         "movzwl  2(%2, %%"REG_BP"), %%ebx       \n\t"
2170         "movq  (%1, %%"REG_BP", 4), %%mm1       \n\t"
2171         "movq 8(%1, %%"REG_BP", 4), %%mm3       \n\t"
2172         "movd      (%3, %%"REG_a"), %%mm0       \n\t"
2173         "movd      (%3, %%"REG_b"), %%mm2       \n\t"
2174         "punpcklbw           %%mm7, %%mm0       \n\t"
2175         "punpcklbw           %%mm7, %%mm2       \n\t"
2176         "pmaddwd             %%mm1, %%mm0       \n\t"
2177         "pmaddwd             %%mm2, %%mm3       \n\t"
2178         "psrad                  $8, %%mm0       \n\t"
2179         "psrad                  $8, %%mm3       \n\t"
2180         "packssdw            %%mm3, %%mm0       \n\t"
2181         "pmaddwd             %%mm6, %%mm0       \n\t"
2182         "packssdw            %%mm0, %%mm0       \n\t"
2183         "movd                %%mm0, (%4, %%"REG_BP")    \n\t"
2184         "add                    $4, %%"REG_BP"  \n\t"
2185         " jnc                   1b              \n\t"
2186
2187         "pop            %%"REG_BP"              \n\t"
2188 #if defined(PIC)
2189         "pop             %%"REG_b"              \n\t"
2190 #endif
2191         : "+a" (counter)
2192         : "c" (filter), "d" (filterPos), "S" (src), "D" (dst)
2193 #if !defined(PIC)
2194         : "%"REG_b
2195 #endif
2196         );
2197     }
2198     else if (filterSize==8)
2199     {
2200         long counter= -2*dstW;
2201         filter-= counter*4;
2202         filterPos-= counter/2;
2203         dst-= counter/2;
2204         asm volatile(
2205 #if defined(PIC)
2206         "push             %%"REG_b"             \n\t"
2207 #endif
2208         "pxor                 %%mm7, %%mm7      \n\t"
2209         "movq         "MANGLE(w02)", %%mm6      \n\t"
2210         "push            %%"REG_BP"             \n\t" // we use 7 regs here ...
2211         "mov              %%"REG_a", %%"REG_BP" \n\t"
2212         ASMALIGN(4)
2213         "1:                                     \n\t"
2214         "movzwl    (%2, %%"REG_BP"), %%eax      \n\t"
2215         "movzwl   2(%2, %%"REG_BP"), %%ebx      \n\t"
2216         "movq   (%1, %%"REG_BP", 8), %%mm1      \n\t"
2217         "movq 16(%1, %%"REG_BP", 8), %%mm3      \n\t"
2218         "movd       (%3, %%"REG_a"), %%mm0      \n\t"
2219         "movd       (%3, %%"REG_b"), %%mm2      \n\t"
2220         "punpcklbw            %%mm7, %%mm0      \n\t"
2221         "punpcklbw            %%mm7, %%mm2      \n\t"
2222         "pmaddwd              %%mm1, %%mm0      \n\t"
2223         "pmaddwd              %%mm2, %%mm3      \n\t"
2224
2225         "movq  8(%1, %%"REG_BP", 8), %%mm1      \n\t"
2226         "movq 24(%1, %%"REG_BP", 8), %%mm5      \n\t"
2227         "movd      4(%3, %%"REG_a"), %%mm4      \n\t"
2228         "movd      4(%3, %%"REG_b"), %%mm2      \n\t"
2229         "punpcklbw            %%mm7, %%mm4      \n\t"
2230         "punpcklbw            %%mm7, %%mm2      \n\t"
2231         "pmaddwd              %%mm1, %%mm4      \n\t"
2232         "pmaddwd              %%mm2, %%mm5      \n\t"
2233         "paddd                %%mm4, %%mm0      \n\t"
2234         "paddd                %%mm5, %%mm3      \n\t"
2235
2236         "psrad                   $8, %%mm0      \n\t"
2237         "psrad                   $8, %%mm3      \n\t"
2238         "packssdw             %%mm3, %%mm0      \n\t"
2239         "pmaddwd              %%mm6, %%mm0      \n\t"
2240         "packssdw             %%mm0, %%mm0      \n\t"
2241         "movd                 %%mm0, (%4, %%"REG_BP")   \n\t"
2242         "add                     $4, %%"REG_BP" \n\t"
2243         " jnc                    1b             \n\t"
2244
2245         "pop             %%"REG_BP"             \n\t"
2246 #if defined(PIC)
2247         "pop              %%"REG_b"             \n\t"
2248 #endif
2249         : "+a" (counter)
2250         : "c" (filter), "d" (filterPos), "S" (src), "D" (dst)
2251 #if !defined(PIC)
2252         : "%"REG_b
2253 #endif
2254         );
2255     }
2256     else
2257     {
2258         uint8_t *offset = src+filterSize;
2259         long counter= -2*dstW;
2260         //filter-= counter*filterSize/2;
2261         filterPos-= counter/2;
2262         dst-= counter/2;
2263         asm volatile(
2264         "pxor                  %%mm7, %%mm7     \n\t"
2265         "movq          "MANGLE(w02)", %%mm6     \n\t"
2266         ASMALIGN(4)
2267         "1:                                     \n\t"
2268         "mov                      %2, %%"REG_c" \n\t"
2269         "movzwl      (%%"REG_c", %0), %%eax     \n\t"
2270         "movzwl     2(%%"REG_c", %0), %%edx     \n\t"
2271         "mov                      %5, %%"REG_c" \n\t"
2272         "pxor                  %%mm4, %%mm4     \n\t"
2273         "pxor                  %%mm5, %%mm5     \n\t"
2274         "2:                                     \n\t"
2275         "movq                   (%1), %%mm1     \n\t"
2276         "movq               (%1, %6), %%mm3     \n\t"
2277         "movd (%%"REG_c", %%"REG_a"), %%mm0     \n\t"
2278         "movd (%%"REG_c", %%"REG_d"), %%mm2     \n\t"
2279         "punpcklbw             %%mm7, %%mm0     \n\t"
2280         "punpcklbw             %%mm7, %%mm2     \n\t"
2281         "pmaddwd               %%mm1, %%mm0     \n\t"
2282         "pmaddwd               %%mm2, %%mm3     \n\t"
2283         "paddd                 %%mm3, %%mm5     \n\t"
2284         "paddd                 %%mm0, %%mm4     \n\t"
2285         "add                      $8, %1        \n\t"
2286         "add                      $4, %%"REG_c" \n\t"
2287         "cmp                      %4, %%"REG_c" \n\t"
2288         " jb                      2b            \n\t"
2289         "add                      %6, %1        \n\t"
2290         "psrad                    $8, %%mm4     \n\t"
2291         "psrad                    $8, %%mm5     \n\t"
2292         "packssdw              %%mm5, %%mm4     \n\t"
2293         "pmaddwd               %%mm6, %%mm4     \n\t"
2294         "packssdw              %%mm4, %%mm4     \n\t"
2295         "mov                      %3, %%"REG_a" \n\t"
2296         "movd                  %%mm4, (%%"REG_a", %0)   \n\t"
2297         "add                      $4, %0        \n\t"
2298         " jnc                     1b            \n\t"
2299
2300         : "+r" (counter), "+r" (filter)
2301         : "m" (filterPos), "m" (dst), "m"(offset),
2302           "m" (src), "r" (filterSize*2)
2303         : "%"REG_a, "%"REG_c, "%"REG_d
2304         );
2305     }
2306 #else
2307 #ifdef HAVE_ALTIVEC
2308     hScale_altivec_real(dst, dstW, src, srcW, xInc, filter, filterPos, filterSize);
2309 #else
2310     int i;
2311     for (i=0; i<dstW; i++)
2312     {
2313         int j;
2314         int srcPos= filterPos[i];
2315         int val=0;
2316         //printf("filterPos: %d\n", filterPos[i]);
2317         for (j=0; j<filterSize; j++)
2318         {
2319             //printf("filter: %d, src: %d\n", filter[i], src[srcPos + j]);
2320             val += ((int)src[srcPos + j])*filter[filterSize*i + j];
2321         }
2322         //filter += hFilterSize;
2323         dst[i] = av_clip(val>>7, 0, (1<<15)-1); // the cubic equation does overflow ...
2324         //dst[i] = val>>7;
2325     }
2326 #endif /* HAVE_ALTIVEC */
2327 #endif /* HAVE_MMX */
2328 }
2329       // *** horizontal scale Y line to temp buffer
2330 static inline void RENAME(hyscale)(SwsContext *c, uint16_t *dst, long dstWidth, uint8_t *src, int srcW, int xInc,
2331                                    int flags, int canMMX2BeUsed, int16_t *hLumFilter,
2332                                    int16_t *hLumFilterPos, int hLumFilterSize, void *funnyYCode,
2333                                    int srcFormat, uint8_t *formatConvBuffer, int16_t *mmx2Filter,
2334                                    int32_t *mmx2FilterPos, uint8_t *pal)
2335 {
2336     if (srcFormat==PIX_FMT_YUYV422 || srcFormat==PIX_FMT_GRAY16BE)
2337     {
2338         RENAME(yuy2ToY)(formatConvBuffer, src, srcW);
2339         src= formatConvBuffer;
2340     }
2341     else if (srcFormat==PIX_FMT_UYVY422 || srcFormat==PIX_FMT_GRAY16LE)
2342     {
2343         RENAME(uyvyToY)(formatConvBuffer, src, srcW);
2344         src= formatConvBuffer;
2345     }
2346     else if (srcFormat==PIX_FMT_RGB32)
2347     {
2348         RENAME(bgr32ToY)(formatConvBuffer, src, srcW);
2349         src= formatConvBuffer;
2350     }
2351     else if (srcFormat==PIX_FMT_RGB32_1)
2352     {
2353         RENAME(bgr32ToY)(formatConvBuffer, src+ALT32_CORR, srcW);
2354         src= formatConvBuffer;
2355     }
2356     else if (srcFormat==PIX_FMT_BGR24)
2357     {
2358         RENAME(bgr24ToY)(formatConvBuffer, src, srcW);
2359         src= formatConvBuffer;
2360     }
2361     else if (srcFormat==PIX_FMT_BGR565)
2362     {
2363         RENAME(bgr16ToY)(formatConvBuffer, src, srcW);
2364         src= formatConvBuffer;
2365     }
2366     else if (srcFormat==PIX_FMT_BGR555)
2367     {
2368         RENAME(bgr15ToY)(formatConvBuffer, src, srcW);
2369         src= formatConvBuffer;
2370     }
2371     else if (srcFormat==PIX_FMT_BGR32)
2372     {
2373         RENAME(rgb32ToY)(formatConvBuffer, src, srcW);
2374         src= formatConvBuffer;
2375     }
2376     else if (srcFormat==PIX_FMT_BGR32_1)
2377     {
2378         RENAME(rgb32ToY)(formatConvBuffer, src+ALT32_CORR, srcW);
2379         src= formatConvBuffer;
2380     }
2381     else if (srcFormat==PIX_FMT_RGB24)
2382     {
2383         RENAME(rgb24ToY)(formatConvBuffer, src, srcW);
2384         src= formatConvBuffer;
2385     }
2386     else if (srcFormat==PIX_FMT_RGB565)
2387     {
2388         RENAME(rgb16ToY)(formatConvBuffer, src, srcW);
2389         src= formatConvBuffer;
2390     }
2391     else if (srcFormat==PIX_FMT_RGB555)
2392     {
2393         RENAME(rgb15ToY)(formatConvBuffer, src, srcW);
2394         src= formatConvBuffer;
2395     }
2396     else if (srcFormat==PIX_FMT_RGB8 || srcFormat==PIX_FMT_BGR8 || srcFormat==PIX_FMT_PAL8 || srcFormat==PIX_FMT_BGR4_BYTE  || srcFormat==PIX_FMT_RGB4_BYTE)
2397     {
2398         RENAME(palToY)(formatConvBuffer, src, srcW, (uint32_t*)pal);
2399         src= formatConvBuffer;
2400     }
2401
2402 #ifdef HAVE_MMX
2403     // Use the new MMX scaler if the MMX2 one can't be used (it is faster than the x86 ASM one).
2404     if (!(flags&SWS_FAST_BILINEAR) || (!canMMX2BeUsed))
2405 #else
2406     if (!(flags&SWS_FAST_BILINEAR))
2407 #endif
2408     {
2409         RENAME(hScale)(dst, dstWidth, src, srcW, xInc, hLumFilter, hLumFilterPos, hLumFilterSize);
2410     }
2411     else // fast bilinear upscale / crap downscale
2412     {
2413 #if defined(ARCH_X86)
2414 #ifdef HAVE_MMX2
2415         int i;
2416 #if defined(PIC)
2417         uint64_t ebxsave __attribute__((aligned(8)));
2418 #endif
2419         if (canMMX2BeUsed)
2420         {
2421             asm volatile(
2422 #if defined(PIC)
2423             "mov               %%"REG_b", %5        \n\t"
2424 #endif
2425             "pxor                  %%mm7, %%mm7     \n\t"
2426             "mov                      %0, %%"REG_c" \n\t"
2427             "mov                      %1, %%"REG_D" \n\t"
2428             "mov                      %2, %%"REG_d" \n\t"
2429             "mov                      %3, %%"REG_b" \n\t"
2430             "xor               %%"REG_a", %%"REG_a" \n\t" // i
2431             PREFETCH"        (%%"REG_c")            \n\t"
2432             PREFETCH"      32(%%"REG_c")            \n\t"
2433             PREFETCH"      64(%%"REG_c")            \n\t"
2434
2435 #ifdef ARCH_X86_64
2436
2437 #define FUNNY_Y_CODE \
2438             "movl            (%%"REG_b"), %%esi     \n\t"\
2439             "call                    *%4            \n\t"\
2440             "movl (%%"REG_b", %%"REG_a"), %%esi     \n\t"\
2441             "add               %%"REG_S", %%"REG_c" \n\t"\
2442             "add               %%"REG_a", %%"REG_D" \n\t"\
2443             "xor               %%"REG_a", %%"REG_a" \n\t"\
2444
2445 #else
2446
2447 #define FUNNY_Y_CODE \
2448             "movl (%%"REG_b"), %%esi        \n\t"\
2449             "call         *%4                       \n\t"\
2450             "addl (%%"REG_b", %%"REG_a"), %%"REG_c" \n\t"\
2451             "add               %%"REG_a", %%"REG_D" \n\t"\
2452             "xor               %%"REG_a", %%"REG_a" \n\t"\
2453
2454 #endif /* ARCH_X86_64 */
2455
2456 FUNNY_Y_CODE
2457 FUNNY_Y_CODE
2458 FUNNY_Y_CODE
2459 FUNNY_Y_CODE
2460 FUNNY_Y_CODE
2461 FUNNY_Y_CODE
2462 FUNNY_Y_CODE
2463 FUNNY_Y_CODE
2464
2465 #if defined(PIC)
2466             "mov                      %5, %%"REG_b" \n\t"
2467 #endif
2468             :: "m" (src), "m" (dst), "m" (mmx2Filter), "m" (mmx2FilterPos),
2469             "m" (funnyYCode)
2470 #if defined(PIC)
2471             ,"m" (ebxsave)
2472 #endif
2473             : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S, "%"REG_D
2474 #if !defined(PIC)
2475             ,"%"REG_b
2476 #endif
2477             );
2478             for (i=dstWidth-1; (i*xInc)>>16 >=srcW-1; i--) dst[i] = src[srcW-1]*128;
2479         }
2480         else
2481         {
2482 #endif /* HAVE_MMX2 */
2483         long xInc_shr16 = xInc >> 16;
2484         uint16_t xInc_mask = xInc & 0xffff;
2485         //NO MMX just normal asm ...
2486         asm volatile(
2487         "xor %%"REG_a", %%"REG_a"            \n\t" // i
2488         "xor %%"REG_d", %%"REG_d"            \n\t" // xx
2489         "xorl    %%ecx, %%ecx                \n\t" // 2*xalpha
2490         ASMALIGN(4)
2491         "1:                                  \n\t"
2492         "movzbl    (%0, %%"REG_d"), %%edi    \n\t" //src[xx]
2493         "movzbl   1(%0, %%"REG_d"), %%esi    \n\t" //src[xx+1]
2494         "subl    %%edi, %%esi                \n\t" //src[xx+1] - src[xx]
2495         "imull   %%ecx, %%esi                \n\t" //(src[xx+1] - src[xx])*2*xalpha
2496         "shll      $16, %%edi                \n\t"
2497         "addl    %%edi, %%esi                \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)
2498         "mov        %1, %%"REG_D"            \n\t"
2499         "shrl       $9, %%esi                \n\t"
2500         "movw     %%si, (%%"REG_D", %%"REG_a", 2)   \n\t"
2501         "addw       %4, %%cx                 \n\t" //2*xalpha += xInc&0xFF
2502         "adc        %3, %%"REG_d"            \n\t" //xx+= xInc>>8 + carry
2503
2504         "movzbl    (%0, %%"REG_d"), %%edi    \n\t" //src[xx]
2505         "movzbl   1(%0, %%"REG_d"), %%esi    \n\t" //src[xx+1]
2506         "subl    %%edi, %%esi                \n\t" //src[xx+1] - src[xx]
2507         "imull   %%ecx, %%esi                \n\t" //(src[xx+1] - src[xx])*2*xalpha
2508         "shll      $16, %%edi                \n\t"
2509         "addl    %%edi, %%esi                \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)
2510         "mov        %1, %%"REG_D"            \n\t"
2511         "shrl       $9, %%esi                \n\t"
2512         "movw     %%si, 2(%%"REG_D", %%"REG_a", 2)  \n\t"
2513         "addw       %4, %%cx                 \n\t" //2*xalpha += xInc&0xFF
2514         "adc        %3, %%"REG_d"            \n\t" //xx+= xInc>>8 + carry
2515
2516
2517         "add        $2, %%"REG_a"            \n\t"
2518         "cmp        %2, %%"REG_a"            \n\t"
2519         " jb        1b                       \n\t"
2520
2521
2522         :: "r" (src), "m" (dst), "m" (dstWidth), "m" (xInc_shr16), "m" (xInc_mask)
2523         : "%"REG_a, "%"REG_d, "%ecx", "%"REG_D, "%esi"
2524         );
2525 #ifdef HAVE_MMX2
2526         } //if MMX2 can't be used
2527 #endif
2528 #else
2529         int i;
2530         unsigned int xpos=0;
2531         for (i=0;i<dstWidth;i++)
2532         {
2533             register unsigned int xx=xpos>>16;
2534             register unsigned int xalpha=(xpos&0xFFFF)>>9;
2535             dst[i]= (src[xx]<<7) + (src[xx+1] - src[xx])*xalpha;
2536             xpos+=xInc;
2537         }
2538 #endif /* defined(ARCH_X86) */
2539     }
2540
2541     if(c->srcRange != c->dstRange && !(isRGB(c->dstFormat) || isBGR(c->dstFormat))){
2542         int i;
2543         //FIXME all pal and rgb srcFormats could do this convertion as well
2544         //FIXME all scalers more complex than bilinear could do half of this transform
2545         if(c->srcRange){
2546             for (i=0; i<dstWidth; i++)
2547                 dst[i]= (dst[i]*14071 + 33561947)>>14;
2548         }else{
2549             for (i=0; i<dstWidth; i++)
2550                 dst[i]= (FFMIN(dst[i],30189)*19077 - 39057361)>>14;
2551         }
2552     }
2553 }
2554
2555 inline static void RENAME(hcscale)(SwsContext *c, uint16_t *dst, long dstWidth, uint8_t *src1, uint8_t *src2,
2556                                    int srcW, int xInc, int flags, int canMMX2BeUsed, int16_t *hChrFilter,
2557                                    int16_t *hChrFilterPos, int hChrFilterSize, void *funnyUVCode,
2558                                    int srcFormat, uint8_t *formatConvBuffer, int16_t *mmx2Filter,
2559                                    int32_t *mmx2FilterPos, uint8_t *pal)
2560 {
2561     if (srcFormat==PIX_FMT_YUYV422)
2562     {
2563         RENAME(yuy2ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
2564         src1= formatConvBuffer;
2565         src2= formatConvBuffer+VOFW;
2566     }
2567     else if (srcFormat==PIX_FMT_UYVY422)
2568     {
2569         RENAME(uyvyToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
2570         src1= formatConvBuffer;
2571         src2= formatConvBuffer+VOFW;
2572     }
2573     else if (srcFormat==PIX_FMT_RGB32)
2574     {
2575         if(c->chrSrcHSubSample)
2576             RENAME(bgr32ToUV_half)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
2577         else
2578             RENAME(bgr32ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
2579         src1= formatConvBuffer;
2580         src2= formatConvBuffer+VOFW;
2581     }
2582     else if (srcFormat==PIX_FMT_RGB32_1)
2583     {
2584         if(c->chrSrcHSubSample)
2585             RENAME(bgr32ToUV_half)(formatConvBuffer, formatConvBuffer+VOFW, src1+ALT32_CORR, src2+ALT32_CORR, srcW);
2586         else
2587             RENAME(bgr32ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1+ALT32_CORR, src2+ALT32_CORR, srcW);
2588         src1= formatConvBuffer;
2589         src2= formatConvBuffer+VOFW;
2590     }
2591     else if (srcFormat==PIX_FMT_BGR24)
2592     {
2593         if(c->chrSrcHSubSample)
2594             RENAME(bgr24ToUV_half)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
2595         else
2596             RENAME(bgr24ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
2597         src1= formatConvBuffer;
2598         src2= formatConvBuffer+VOFW;
2599     }
2600     else if (srcFormat==PIX_FMT_BGR565)
2601     {
2602         if(c->chrSrcHSubSample)
2603             RENAME(bgr16ToUV_half)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
2604         else
2605             RENAME(bgr16ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
2606         src1= formatConvBuffer;
2607         src2= formatConvBuffer+VOFW;
2608     }
2609     else if (srcFormat==PIX_FMT_BGR555)
2610     {
2611         if(c->chrSrcHSubSample)
2612             RENAME(bgr15ToUV_half)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
2613         else
2614             RENAME(bgr15ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
2615         src1= formatConvBuffer;
2616         src2= formatConvBuffer+VOFW;
2617     }
2618     else if (srcFormat==PIX_FMT_BGR32)
2619     {
2620         if(c->chrSrcHSubSample)
2621             RENAME(rgb32ToUV_half)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
2622         else
2623             RENAME(rgb32ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
2624         src1= formatConvBuffer;
2625         src2= formatConvBuffer+VOFW;
2626     }
2627     else if (srcFormat==PIX_FMT_BGR32_1)
2628     {
2629         if(c->chrSrcHSubSample)
2630             RENAME(rgb32ToUV_half)(formatConvBuffer, formatConvBuffer+VOFW, src1+ALT32_CORR, src2+ALT32_CORR, srcW);
2631         else
2632             RENAME(rgb32ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1+ALT32_CORR, src2+ALT32_CORR, srcW);
2633         src1= formatConvBuffer;
2634         src2= formatConvBuffer+VOFW;
2635     }
2636     else if (srcFormat==PIX_FMT_RGB24)
2637     {
2638         if(c->chrSrcHSubSample)
2639             RENAME(rgb24ToUV_half)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
2640         else
2641             RENAME(rgb24ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
2642         src1= formatConvBuffer;
2643         src2= formatConvBuffer+VOFW;
2644     }
2645     else if (srcFormat==PIX_FMT_RGB565)
2646     {
2647         if(c->chrSrcHSubSample)
2648             RENAME(rgb16ToUV_half)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
2649         else
2650             RENAME(rgb16ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
2651         src1= formatConvBuffer;
2652         src2= formatConvBuffer+VOFW;
2653     }
2654     else if (srcFormat==PIX_FMT_RGB555)
2655     {
2656         if(c->chrSrcHSubSample)
2657             RENAME(rgb15ToUV_half)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
2658         else
2659             RENAME(rgb15ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
2660         src1= formatConvBuffer;
2661         src2= formatConvBuffer+VOFW;
2662     }
2663     else if (isGray(srcFormat))
2664     {
2665         return;
2666     }
2667     else if (srcFormat==PIX_FMT_RGB8 || srcFormat==PIX_FMT_BGR8 || srcFormat==PIX_FMT_PAL8 || srcFormat==PIX_FMT_BGR4_BYTE  || srcFormat==PIX_FMT_RGB4_BYTE)
2668     {
2669         RENAME(palToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW, (uint32_t*)pal);
2670         src1= formatConvBuffer;
2671         src2= formatConvBuffer+VOFW;
2672     }
2673
2674 #ifdef HAVE_MMX
2675     // Use the new MMX scaler if the MMX2 one can't be used (it is faster than the x86 ASM one).
2676     if (!(flags&SWS_FAST_BILINEAR) || (!canMMX2BeUsed))
2677 #else
2678     if (!(flags&SWS_FAST_BILINEAR))
2679 #endif
2680     {
2681         RENAME(hScale)(dst     , dstWidth, src1, srcW, xInc, hChrFilter, hChrFilterPos, hChrFilterSize);
2682         RENAME(hScale)(dst+VOFW, dstWidth, src2, srcW, xInc, hChrFilter, hChrFilterPos, hChrFilterSize);
2683     }
2684     else // fast bilinear upscale / crap downscale
2685     {
2686 #if defined(ARCH_X86)
2687 #ifdef HAVE_MMX2
2688         int i;
2689 #if defined(PIC)
2690         uint64_t ebxsave __attribute__((aligned(8)));
2691 #endif
2692         if (canMMX2BeUsed)
2693         {
2694             asm volatile(
2695 #if defined(PIC)
2696             "mov          %%"REG_b", %6         \n\t"
2697 #endif
2698             "pxor             %%mm7, %%mm7      \n\t"
2699             "mov                 %0, %%"REG_c"  \n\t"
2700             "mov                 %1, %%"REG_D"  \n\t"
2701             "mov                 %2, %%"REG_d"  \n\t"
2702             "mov                 %3, %%"REG_b"  \n\t"
2703             "xor          %%"REG_a", %%"REG_a"  \n\t" // i
2704             PREFETCH"   (%%"REG_c")             \n\t"
2705             PREFETCH" 32(%%"REG_c")             \n\t"
2706             PREFETCH" 64(%%"REG_c")             \n\t"
2707
2708 #ifdef ARCH_X86_64
2709
2710 #define FUNNY_UV_CODE \
2711             "movl       (%%"REG_b"), %%esi      \n\t"\
2712             "call               *%4             \n\t"\
2713             "movl (%%"REG_b", %%"REG_a"), %%esi \n\t"\
2714             "add          %%"REG_S", %%"REG_c"  \n\t"\
2715             "add          %%"REG_a", %%"REG_D"  \n\t"\
2716             "xor          %%"REG_a", %%"REG_a"  \n\t"\
2717
2718 #else
2719
2720 #define FUNNY_UV_CODE \
2721             "movl       (%%"REG_b"), %%esi      \n\t"\
2722             "call               *%4             \n\t"\
2723             "addl (%%"REG_b", %%"REG_a"), %%"REG_c" \n\t"\
2724             "add          %%"REG_a", %%"REG_D"  \n\t"\
2725             "xor          %%"REG_a", %%"REG_a"  \n\t"\
2726
2727 #endif /* ARCH_X86_64 */
2728
2729 FUNNY_UV_CODE
2730 FUNNY_UV_CODE
2731 FUNNY_UV_CODE
2732 FUNNY_UV_CODE
2733             "xor          %%"REG_a", %%"REG_a"  \n\t" // i
2734             "mov                 %5, %%"REG_c"  \n\t" // src
2735             "mov                 %1, %%"REG_D"  \n\t" // buf1
2736             "add              $"AV_STRINGIFY(VOF)", %%"REG_D"  \n\t"
2737             PREFETCH"   (%%"REG_c")             \n\t"
2738             PREFETCH" 32(%%"REG_c")             \n\t"
2739             PREFETCH" 64(%%"REG_c")             \n\t"
2740
2741 FUNNY_UV_CODE
2742 FUNNY_UV_CODE
2743 FUNNY_UV_CODE
2744 FUNNY_UV_CODE
2745
2746 #if defined(PIC)
2747             "mov %6, %%"REG_b"    \n\t"
2748 #endif
2749             :: "m" (src1), "m" (dst), "m" (mmx2Filter), "m" (mmx2FilterPos),
2750             "m" (funnyUVCode), "m" (src2)
2751 #if defined(PIC)
2752             ,"m" (ebxsave)
2753 #endif
2754             : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S, "%"REG_D
2755 #if !defined(PIC)
2756              ,"%"REG_b
2757 #endif
2758             );
2759             for (i=dstWidth-1; (i*xInc)>>16 >=srcW-1; i--)
2760             {
2761                 //printf("%d %d %d\n", dstWidth, i, srcW);
2762                 dst[i] = src1[srcW-1]*128;
2763                 dst[i+VOFW] = src2[srcW-1]*128;
2764             }
2765         }
2766         else
2767         {
2768 #endif /* HAVE_MMX2 */
2769             long xInc_shr16 = (long) (xInc >> 16);
2770             uint16_t xInc_mask = xInc & 0xffff;
2771             asm volatile(
2772             "xor %%"REG_a", %%"REG_a"               \n\t" // i
2773             "xor %%"REG_d", %%"REG_d"               \n\t" // xx
2774             "xorl    %%ecx, %%ecx                   \n\t" // 2*xalpha
2775             ASMALIGN(4)
2776             "1:                                     \n\t"
2777             "mov        %0, %%"REG_S"               \n\t"
2778             "movzbl  (%%"REG_S", %%"REG_d"), %%edi  \n\t" //src[xx]
2779             "movzbl 1(%%"REG_S", %%"REG_d"), %%esi  \n\t" //src[xx+1]
2780             "subl    %%edi, %%esi                   \n\t" //src[xx+1] - src[xx]
2781             "imull   %%ecx, %%esi                   \n\t" //(src[xx+1] - src[xx])*2*xalpha
2782             "shll      $16, %%edi                   \n\t"
2783             "addl    %%edi, %%esi                   \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)
2784             "mov        %1, %%"REG_D"               \n\t"
2785             "shrl       $9, %%esi                   \n\t"
2786             "movw     %%si, (%%"REG_D", %%"REG_a", 2)   \n\t"
2787
2788             "movzbl    (%5, %%"REG_d"), %%edi       \n\t" //src[xx]
2789             "movzbl   1(%5, %%"REG_d"), %%esi       \n\t" //src[xx+1]
2790             "subl    %%edi, %%esi                   \n\t" //src[xx+1] - src[xx]
2791             "imull   %%ecx, %%esi                   \n\t" //(src[xx+1] - src[xx])*2*xalpha
2792             "shll      $16, %%edi                   \n\t"
2793             "addl    %%edi, %%esi                   \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)
2794             "mov        %1, %%"REG_D"               \n\t"
2795             "shrl       $9, %%esi                   \n\t"
2796             "movw     %%si, "AV_STRINGIFY(VOF)"(%%"REG_D", %%"REG_a", 2)   \n\t"
2797
2798             "addw       %4, %%cx                    \n\t" //2*xalpha += xInc&0xFF
2799             "adc        %3, %%"REG_d"               \n\t" //xx+= xInc>>8 + carry
2800             "add        $1, %%"REG_a"               \n\t"
2801             "cmp        %2, %%"REG_a"               \n\t"
2802             " jb        1b                          \n\t"
2803
2804 /* GCC 3.3 makes MPlayer crash on IA-32 machines when using "g" operand here,
2805    which is needed to support GCC 4.0. */
2806 #if defined(ARCH_X86_64) && ((__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
2807             :: "m" (src1), "m" (dst), "g" ((long)dstWidth), "m" (xInc_shr16), "m" (xInc_mask),
2808 #else
2809             :: "m" (src1), "m" (dst), "m" ((long)dstWidth), "m" (xInc_shr16), "m" (xInc_mask),
2810 #endif
2811             "r" (src2)
2812             : "%"REG_a, "%"REG_d, "%ecx", "%"REG_D, "%esi"
2813             );
2814 #ifdef HAVE_MMX2
2815         } //if MMX2 can't be used
2816 #endif
2817 #else
2818         int i;
2819         unsigned int xpos=0;
2820         for (i=0;i<dstWidth;i++)
2821         {
2822             register unsigned int xx=xpos>>16;
2823             register unsigned int xalpha=(xpos&0xFFFF)>>9;
2824             dst[i]=(src1[xx]*(xalpha^127)+src1[xx+1]*xalpha);
2825             dst[i+VOFW]=(src2[xx]*(xalpha^127)+src2[xx+1]*xalpha);
2826             /* slower
2827             dst[i]= (src1[xx]<<7) + (src1[xx+1] - src1[xx])*xalpha;
2828             dst[i+VOFW]=(src2[xx]<<7) + (src2[xx+1] - src2[xx])*xalpha;
2829             */
2830             xpos+=xInc;
2831         }
2832 #endif /* defined(ARCH_X86) */
2833     }
2834     if(c->srcRange != c->dstRange && !(isRGB(c->dstFormat) || isBGR(c->dstFormat))){
2835         int i;
2836         //FIXME all pal and rgb srcFormats could do this convertion as well
2837         //FIXME all scalers more complex than bilinear could do half of this transform
2838         if(c->srcRange){
2839             for (i=0; i<dstWidth; i++){
2840                 dst[i     ]= (dst[i     ]*1799 + 4081085)>>11; //1469
2841                 dst[i+VOFW]= (dst[i+VOFW]*1799 + 4081085)>>11; //1469
2842             }
2843         }else{
2844             for (i=0; i<dstWidth; i++){
2845                 dst[i     ]= (FFMIN(dst[i     ],30775)*4663 - 9289992)>>12; //-264
2846                 dst[i+VOFW]= (FFMIN(dst[i+VOFW],30775)*4663 - 9289992)>>12; //-264
2847             }
2848         }
2849     }
2850 }
2851
2852 static int RENAME(swScale)(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
2853                            int srcSliceH, uint8_t* dst[], int dstStride[]){
2854
2855     /* load a few things into local vars to make the code more readable? and faster */
2856     const int srcW= c->srcW;
2857     const int dstW= c->dstW;
2858     const int dstH= c->dstH;
2859     const int chrDstW= c->chrDstW;
2860     const int chrSrcW= c->chrSrcW;
2861     const int lumXInc= c->lumXInc;
2862     const int chrXInc= c->chrXInc;
2863     const int dstFormat= c->dstFormat;
2864     const int srcFormat= c->srcFormat;
2865     const int flags= c->flags;
2866     const int canMMX2BeUsed= c->canMMX2BeUsed;
2867     int16_t *vLumFilterPos= c->vLumFilterPos;
2868     int16_t *vChrFilterPos= c->vChrFilterPos;
2869     int16_t *hLumFilterPos= c->hLumFilterPos;
2870     int16_t *hChrFilterPos= c->hChrFilterPos;
2871     int16_t *vLumFilter= c->vLumFilter;
2872     int16_t *vChrFilter= c->vChrFilter;
2873     int16_t *hLumFilter= c->hLumFilter;
2874     int16_t *hChrFilter= c->hChrFilter;
2875     int32_t *lumMmxFilter= c->lumMmxFilter;
2876     int32_t *chrMmxFilter= c->chrMmxFilter;
2877     const int vLumFilterSize= c->vLumFilterSize;
2878     const int vChrFilterSize= c->vChrFilterSize;
2879     const int hLumFilterSize= c->hLumFilterSize;
2880     const int hChrFilterSize= c->hChrFilterSize;
2881     int16_t **lumPixBuf= c->lumPixBuf;
2882     int16_t **chrPixBuf= c->chrPixBuf;
2883     const int vLumBufSize= c->vLumBufSize;
2884     const int vChrBufSize= c->vChrBufSize;
2885     uint8_t *funnyYCode= c->funnyYCode;
2886     uint8_t *funnyUVCode= c->funnyUVCode;
2887     uint8_t *formatConvBuffer= c->formatConvBuffer;
2888     const int chrSrcSliceY= srcSliceY >> c->chrSrcVSubSample;
2889     const int chrSrcSliceH= -((-srcSliceH) >> c->chrSrcVSubSample);
2890     int lastDstY;
2891     uint8_t *pal=NULL;
2892
2893     /* vars which will change and which we need to store back in the context */
2894     int dstY= c->dstY;
2895     int lumBufIndex= c->lumBufIndex;
2896     int chrBufIndex= c->chrBufIndex;
2897     int lastInLumBuf= c->lastInLumBuf;
2898     int lastInChrBuf= c->lastInChrBuf;
2899
2900     if (isPacked(c->srcFormat)){
2901         pal= src[1];
2902         src[0]=
2903         src[1]=
2904         src[2]= src[0];
2905         srcStride[0]=
2906         srcStride[1]=
2907         srcStride[2]= srcStride[0];
2908     }
2909     srcStride[1]<<= c->vChrDrop;
2910     srcStride[2]<<= c->vChrDrop;
2911
2912     //printf("swscale %X %X %X -> %X %X %X\n", (int)src[0], (int)src[1], (int)src[2],
2913     //       (int)dst[0], (int)dst[1], (int)dst[2]);
2914
2915 #if 0 //self test FIXME move to a vfilter or something
2916     {
2917     static volatile int i=0;
2918     i++;
2919     if (srcFormat==PIX_FMT_YUV420P && i==1 && srcSliceH>= c->srcH)
2920         selfTest(src, srcStride, c->srcW, c->srcH);
2921     i--;
2922     }
2923 #endif
2924
2925     //printf("sws Strides:%d %d %d -> %d %d %d\n", srcStride[0],srcStride[1],srcStride[2],
2926     //dstStride[0],dstStride[1],dstStride[2]);
2927
2928     if (dstStride[0]%8 !=0 || dstStride[1]%8 !=0 || dstStride[2]%8 !=0)
2929     {
2930         static int firstTime=1; //FIXME move this into the context perhaps
2931         if (flags & SWS_PRINT_INFO && firstTime)
2932         {
2933             av_log(c, AV_LOG_WARNING, "Warning: dstStride is not aligned!\n"
2934                    "         ->cannot do aligned memory accesses anymore\n");
2935             firstTime=0;
2936         }
2937     }
2938
2939     /* Note the user might start scaling the picture in the middle so this
2940        will not get executed. This is not really intended but works
2941        currently, so people might do it. */
2942     if (srcSliceY ==0){
2943         lumBufIndex=0;
2944         chrBufIndex=0;
2945         dstY=0;
2946         lastInLumBuf= -1;
2947         lastInChrBuf= -1;
2948     }
2949
2950     lastDstY= dstY;
2951
2952     for (;dstY < dstH; dstY++){
2953         unsigned char *dest =dst[0]+dstStride[0]*dstY;
2954         const int chrDstY= dstY>>c->chrDstVSubSample;
2955         unsigned char *uDest=dst[1]+dstStride[1]*chrDstY;
2956         unsigned char *vDest=dst[2]+dstStride[2]*chrDstY;
2957
2958         const int firstLumSrcY= vLumFilterPos[dstY]; //First line needed as input
2959         const int firstChrSrcY= vChrFilterPos[chrDstY]; //First line needed as input
2960         const int lastLumSrcY= firstLumSrcY + vLumFilterSize -1; // Last line needed as input
2961         const int lastChrSrcY= firstChrSrcY + vChrFilterSize -1; // Last line needed as input
2962
2963         //printf("dstY:%d dstH:%d firstLumSrcY:%d lastInLumBuf:%d vLumBufSize: %d vChrBufSize: %d slice: %d %d vLumFilterSize: %d firstChrSrcY: %d vChrFilterSize: %d c->chrSrcVSubSample: %d\n",
2964         // dstY, dstH, firstLumSrcY, lastInLumBuf, vLumBufSize, vChrBufSize, srcSliceY, srcSliceH, vLumFilterSize, firstChrSrcY, vChrFilterSize,  c->chrSrcVSubSample);
2965         //handle holes (FAST_BILINEAR & weird filters)
2966         if (firstLumSrcY > lastInLumBuf) lastInLumBuf= firstLumSrcY-1;
2967         if (firstChrSrcY > lastInChrBuf) lastInChrBuf= firstChrSrcY-1;
2968         //printf("%d %d %d\n", firstChrSrcY, lastInChrBuf, vChrBufSize);
2969         assert(firstLumSrcY >= lastInLumBuf - vLumBufSize + 1);
2970         assert(firstChrSrcY >= lastInChrBuf - vChrBufSize + 1);
2971
2972         // Do we have enough lines in this slice to output the dstY line
2973         if (lastLumSrcY < srcSliceY + srcSliceH && lastChrSrcY < -((-srcSliceY - srcSliceH)>>c->chrSrcVSubSample))
2974         {
2975             //Do horizontal scaling
2976             while(lastInLumBuf < lastLumSrcY)
2977             {
2978                 uint8_t *s= src[0]+(lastInLumBuf + 1 - srcSliceY)*srcStride[0];
2979                 lumBufIndex++;
2980                 //printf("%d %d %d %d\n", lumBufIndex, vLumBufSize, lastInLumBuf,  lastLumSrcY);
2981                 assert(lumBufIndex < 2*vLumBufSize);
2982                 assert(lastInLumBuf + 1 - srcSliceY < srcSliceH);
2983                 assert(lastInLumBuf + 1 - srcSliceY >= 0);
2984                 //printf("%d %d\n", lumBufIndex, vLumBufSize);
2985                 RENAME(hyscale)(c, lumPixBuf[ lumBufIndex ], dstW, s, srcW, lumXInc,
2986                                 flags, canMMX2BeUsed, hLumFilter, hLumFilterPos, hLumFilterSize,
2987                                 funnyYCode, c->srcFormat, formatConvBuffer,
2988                                 c->lumMmx2Filter, c->lumMmx2FilterPos, pal);
2989                 lastInLumBuf++;
2990             }
2991             while(lastInChrBuf < lastChrSrcY)
2992             {
2993                 uint8_t *src1= src[1]+(lastInChrBuf + 1 - chrSrcSliceY)*srcStride[1];
2994                 uint8_t *src2= src[2]+(lastInChrBuf + 1 - chrSrcSliceY)*srcStride[2];
2995                 chrBufIndex++;
2996                 assert(chrBufIndex < 2*vChrBufSize);
2997                 assert(lastInChrBuf + 1 - chrSrcSliceY < (chrSrcSliceH));
2998                 assert(lastInChrBuf + 1 - chrSrcSliceY >= 0);
2999                 //FIXME replace parameters through context struct (some at least)
3000
3001                 if (!(isGray(srcFormat) || isGray(dstFormat)))
3002                     RENAME(hcscale)(c, chrPixBuf[ chrBufIndex ], chrDstW, src1, src2, chrSrcW, chrXInc,
3003                                     flags, canMMX2BeUsed, hChrFilter, hChrFilterPos, hChrFilterSize,
3004                                     funnyUVCode, c->srcFormat, formatConvBuffer,
3005                                     c->chrMmx2Filter, c->chrMmx2FilterPos, pal);
3006                 lastInChrBuf++;
3007             }
3008             //wrap buf index around to stay inside the ring buffer
3009             if (lumBufIndex >= vLumBufSize) lumBufIndex-= vLumBufSize;
3010             if (chrBufIndex >= vChrBufSize) chrBufIndex-= vChrBufSize;
3011         }
3012         else // not enough lines left in this slice -> load the rest in the buffer
3013         {
3014             /* printf("%d %d Last:%d %d LastInBuf:%d %d Index:%d %d Y:%d FSize: %d %d BSize: %d %d\n",
3015             firstChrSrcY,firstLumSrcY,lastChrSrcY,lastLumSrcY,
3016             lastInChrBuf,lastInLumBuf,chrBufIndex,lumBufIndex,dstY,vChrFilterSize,vLumFilterSize,
3017             vChrBufSize, vLumBufSize);*/
3018
3019             //Do horizontal scaling
3020             while(lastInLumBuf+1 < srcSliceY + srcSliceH)
3021             {
3022                 uint8_t *s= src[0]+(lastInLumBuf + 1 - srcSliceY)*srcStride[0];
3023                 lumBufIndex++;
3024                 assert(lumBufIndex < 2*vLumBufSize);
3025                 assert(lastInLumBuf + 1 - srcSliceY < srcSliceH);
3026                 assert(lastInLumBuf + 1 - srcSliceY >= 0);
3027                 RENAME(hyscale)(c, lumPixBuf[ lumBufIndex ], dstW, s, srcW, lumXInc,
3028                                 flags, canMMX2BeUsed, hLumFilter, hLumFilterPos, hLumFilterSize,
3029                                 funnyYCode, c->srcFormat, formatConvBuffer,
3030                                 c->lumMmx2Filter, c->lumMmx2FilterPos, pal);
3031                 lastInLumBuf++;
3032             }
3033             while(lastInChrBuf+1 < (chrSrcSliceY + chrSrcSliceH))
3034             {
3035                 uint8_t *src1= src[1]+(lastInChrBuf + 1 - chrSrcSliceY)*srcStride[1];
3036                 uint8_t *src2= src[2]+(lastInChrBuf + 1 - chrSrcSliceY)*srcStride[2];
3037                 chrBufIndex++;
3038                 assert(chrBufIndex < 2*vChrBufSize);
3039                 assert(lastInChrBuf + 1 - chrSrcSliceY < chrSrcSliceH);
3040                 assert(lastInChrBuf + 1 - chrSrcSliceY >= 0);
3041
3042                 if (!(isGray(srcFormat) || isGray(dstFormat)))
3043                     RENAME(hcscale)(c, chrPixBuf[ chrBufIndex ], chrDstW, src1, src2, chrSrcW, chrXInc,
3044                             flags, canMMX2BeUsed, hChrFilter, hChrFilterPos, hChrFilterSize,
3045                             funnyUVCode, c->srcFormat, formatConvBuffer,
3046                             c->chrMmx2Filter, c->chrMmx2FilterPos, pal);
3047                 lastInChrBuf++;
3048             }
3049             //wrap buf index around to stay inside the ring buffer
3050             if (lumBufIndex >= vLumBufSize) lumBufIndex-= vLumBufSize;
3051             if (chrBufIndex >= vChrBufSize) chrBufIndex-= vChrBufSize;
3052             break; //we can't output a dstY line so let's try with the next slice
3053         }
3054
3055 #ifdef HAVE_MMX
3056         b5Dither= ff_dither8[dstY&1];
3057         g6Dither= ff_dither4[dstY&1];
3058         g5Dither= ff_dither8[dstY&1];
3059         r5Dither= ff_dither8[(dstY+1)&1];
3060 #endif
3061         if (dstY < dstH-2)
3062         {
3063             int16_t **lumSrcPtr= lumPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize;
3064             int16_t **chrSrcPtr= chrPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize;
3065 #ifdef HAVE_MMX
3066             int i;
3067         if (flags & SWS_ACCURATE_RND){
3068             int s= APCK_SIZE / 8;
3069             for (i=0; i<vLumFilterSize; i+=2){
3070                 *(void**)&lumMmxFilter[s*i              ]= lumSrcPtr[i  ];
3071                 *(void**)&lumMmxFilter[s*i+APCK_PTR2/4  ]= lumSrcPtr[i+(vLumFilterSize>1)];
3072                           lumMmxFilter[s*i+APCK_COEF/4  ]=
3073                           lumMmxFilter[s*i+APCK_COEF/4+1]= vLumFilter[dstY*vLumFilterSize + i    ]
3074                     + (vLumFilterSize>1 ? vLumFilter[dstY*vLumFilterSize + i + 1]<<16 : 0);
3075             }
3076             for (i=0; i<vChrFilterSize; i+=2){
3077                 *(void**)&chrMmxFilter[s*i              ]= chrSrcPtr[i  ];
3078                 *(void**)&chrMmxFilter[s*i+APCK_PTR2/4  ]= chrSrcPtr[i+(vChrFilterSize>1)];
3079                           chrMmxFilter[s*i+APCK_COEF/4  ]=
3080                           chrMmxFilter[s*i+APCK_COEF/4+1]= vChrFilter[chrDstY*vChrFilterSize + i    ]
3081                     + (vChrFilterSize>1 ? vChrFilter[chrDstY*vChrFilterSize + i + 1]<<16 : 0);
3082             }
3083         }else{
3084             for (i=0; i<vLumFilterSize; i++)
3085             {
3086                 lumMmxFilter[4*i+0]= (int32_t)lumSrcPtr[i];
3087                 lumMmxFilter[4*i+1]= (uint64_t)lumSrcPtr[i] >> 32;
3088                 lumMmxFilter[4*i+2]=
3089                 lumMmxFilter[4*i+3]=
3090                     ((uint16_t)vLumFilter[dstY*vLumFilterSize + i])*0x10001;
3091             }
3092             for (i=0; i<vChrFilterSize; i++)
3093             {
3094                 chrMmxFilter[4*i+0]= (int32_t)chrSrcPtr[i];
3095                 chrMmxFilter[4*i+1]= (uint64_t)chrSrcPtr[i] >> 32;
3096                 chrMmxFilter[4*i+2]=
3097                 chrMmxFilter[4*i+3]=
3098                     ((uint16_t)vChrFilter[chrDstY*vChrFilterSize + i])*0x10001;
3099             }
3100         }
3101 #endif
3102             if (dstFormat == PIX_FMT_NV12 || dstFormat == PIX_FMT_NV21){
3103                 const int chrSkipMask= (1<<c->chrDstVSubSample)-1;
3104                 if (dstY&chrSkipMask) uDest= NULL; //FIXME split functions in lumi / chromi
3105                 RENAME(yuv2nv12X)(c,
3106                     vLumFilter+dstY*vLumFilterSize   , lumSrcPtr, vLumFilterSize,
3107                     vChrFilter+chrDstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
3108                     dest, uDest, dstW, chrDstW, dstFormat);
3109             }
3110             else if (isPlanarYUV(dstFormat) || dstFormat==PIX_FMT_GRAY8) //YV12 like
3111             {
3112                 const int chrSkipMask= (1<<c->chrDstVSubSample)-1;
3113                 if ((dstY&chrSkipMask) || isGray(dstFormat)) uDest=vDest= NULL; //FIXME split functions in lumi / chromi
3114                 if (vLumFilterSize == 1 && vChrFilterSize == 1) // unscaled YV12
3115                 {
3116                     int16_t *lumBuf = lumPixBuf[0];
3117                     int16_t *chrBuf= chrPixBuf[0];
3118                     RENAME(yuv2yuv1)(c, lumBuf, chrBuf, dest, uDest, vDest, dstW, chrDstW);
3119                 }
3120                 else //General YV12
3121                 {
3122                     RENAME(yuv2yuvX)(c,
3123                         vLumFilter+dstY*vLumFilterSize   , lumSrcPtr, vLumFilterSize,
3124                         vChrFilter+chrDstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
3125                         dest, uDest, vDest, dstW, chrDstW);
3126                 }
3127             }
3128             else
3129             {
3130                 assert(lumSrcPtr + vLumFilterSize - 1 < lumPixBuf + vLumBufSize*2);
3131                 assert(chrSrcPtr + vChrFilterSize - 1 < chrPixBuf + vChrBufSize*2);
3132                 if (vLumFilterSize == 1 && vChrFilterSize == 2) //unscaled RGB
3133                 {
3134                     int chrAlpha= vChrFilter[2*dstY+1];
3135                     if(flags & SWS_FULL_CHR_H_INT){
3136                         yuv2rgbXinC_full(c, //FIXME write a packed1_full function
3137                             vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,
3138                             vChrFilter+dstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
3139                             dest, dstW, dstY);
3140                     }else{
3141                     RENAME(yuv2packed1)(c, *lumSrcPtr, *chrSrcPtr, *(chrSrcPtr+1),
3142                         dest, dstW, chrAlpha, dstFormat, flags, dstY);
3143                     }
3144                 }
3145                 else if (vLumFilterSize == 2 && vChrFilterSize == 2) //bilinear upscale RGB
3146                 {
3147                     int lumAlpha= vLumFilter[2*dstY+1];
3148                     int chrAlpha= vChrFilter[2*dstY+1];
3149                     lumMmxFilter[2]=
3150                     lumMmxFilter[3]= vLumFilter[2*dstY   ]*0x10001;
3151                     chrMmxFilter[2]=
3152                     chrMmxFilter[3]= vChrFilter[2*chrDstY]*0x10001;
3153                     if(flags & SWS_FULL_CHR_H_INT){
3154                         yuv2rgbXinC_full(c, //FIXME write a packed2_full function
3155                             vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,
3156                             vChrFilter+dstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
3157                             dest, dstW, dstY);
3158                     }else{
3159                     RENAME(yuv2packed2)(c, *lumSrcPtr, *(lumSrcPtr+1), *chrSrcPtr, *(chrSrcPtr+1),
3160                         dest, dstW, lumAlpha, chrAlpha, dstY);
3161                     }
3162                 }
3163                 else //general RGB
3164                 {
3165                     if(flags & SWS_FULL_CHR_H_INT){
3166                         yuv2rgbXinC_full(c,
3167                             vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,
3168                             vChrFilter+dstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
3169                             dest, dstW, dstY);
3170                     }else{
3171                     RENAME(yuv2packedX)(c,
3172                         vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,
3173                         vChrFilter+dstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
3174                         dest, dstW, dstY);
3175                     }
3176                 }
3177             }
3178         }
3179         else // hmm looks like we can't use MMX here without overwriting this array's tail
3180         {
3181             int16_t **lumSrcPtr= lumPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize;
3182             int16_t **chrSrcPtr= chrPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize;
3183             if (dstFormat == PIX_FMT_NV12 || dstFormat == PIX_FMT_NV21){
3184                 const int chrSkipMask= (1<<c->chrDstVSubSample)-1;
3185                 if (dstY&chrSkipMask) uDest= NULL; //FIXME split functions in lumi / chromi
3186                 yuv2nv12XinC(
3187                     vLumFilter+dstY*vLumFilterSize   , lumSrcPtr, vLumFilterSize,
3188                     vChrFilter+chrDstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
3189                     dest, uDest, dstW, chrDstW, dstFormat);
3190             }
3191             else if (isPlanarYUV(dstFormat) || dstFormat==PIX_FMT_GRAY8) //YV12
3192             {
3193                 const int chrSkipMask= (1<<c->chrDstVSubSample)-1;
3194                 if ((dstY&chrSkipMask) || isGray(dstFormat)) uDest=vDest= NULL; //FIXME split functions in lumi / chromi
3195                 yuv2yuvXinC(
3196                     vLumFilter+dstY*vLumFilterSize   , lumSrcPtr, vLumFilterSize,
3197                     vChrFilter+chrDstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
3198                     dest, uDest, vDest, dstW, chrDstW);
3199             }
3200             else
3201             {
3202                 assert(lumSrcPtr + vLumFilterSize - 1 < lumPixBuf + vLumBufSize*2);
3203                 assert(chrSrcPtr + vChrFilterSize - 1 < chrPixBuf + vChrBufSize*2);
3204                 if(flags & SWS_FULL_CHR_H_INT){
3205                     yuv2rgbXinC_full(c,
3206                         vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,
3207                         vChrFilter+dstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
3208                         dest, dstW, dstY);
3209                 }else{
3210                 yuv2packedXinC(c,
3211                     vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,
3212                     vChrFilter+dstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
3213                     dest, dstW, dstY);
3214                 }
3215             }
3216         }
3217     }
3218
3219 #ifdef HAVE_MMX
3220     asm volatile(SFENCE:::"memory");
3221     asm volatile(EMMS:::"memory");
3222 #endif
3223     /* store changed local vars back in the context */
3224     c->dstY= dstY;
3225     c->lumBufIndex= lumBufIndex;
3226     c->chrBufIndex= chrBufIndex;
3227     c->lastInLumBuf= lastInLumBuf;
3228     c->lastInChrBuf= lastInChrBuf;
3229
3230     return dstY - lastDstY;
3231 }