git.sesse.net Git - ffmpeg/blob - libpostproc/postprocess_template.c

   1 /*
   2     Copyright (C) 2001-2002 Michael Niedermayer (michaelni@gmx.at)
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  17 */
  18
  19 /**
  20  * @file postprocess_template.c
  21  * mmx/mmx2/3dnow postprocess code.
  22  */
  23
  24
  25 #ifdef ARCH_X86_64
  26 #  define REGa  rax
  27 #  define REGc  rcx
  28 #  define REGd  rdx
  29 #  define REG_a  "rax"
  30 #  define REG_c  "rcx"
  31 #  define REG_d  "rdx"
  32 #  define REG_SP "rsp"
  33 #  define ALIGN_MASK "$0xFFFFFFFFFFFFFFF8"
  34 #else
  35 #  define REGa  eax
  36 #  define REGc  ecx
  37 #  define REGd  edx
  38 #  define REG_a  "eax"
  39 #  define REG_c  "ecx"
  40 #  define REG_d  "edx"
  41 #  define REG_SP "esp"
  42 #  define ALIGN_MASK "$0xFFFFFFF8"
  43 #endif
  44
  45
  46 #undef PAVGB
  47 #undef PMINUB
  48 #undef PMAXUB
  49
  50 #ifdef HAVE_MMX2
  51 #define REAL_PAVGB(a,b) "pavgb " #a ", " #b " \n\t"
  52 #elif defined (HAVE_3DNOW)
  53 #define REAL_PAVGB(a,b) "pavgusb " #a ", " #b " \n\t"
  54 #endif
  55 #define PAVGB(a,b)  REAL_PAVGB(a,b)
  56
  57 #ifdef HAVE_MMX2
  58 #define PMINUB(a,b,t) "pminub " #a ", " #b " \n\t"
  59 #elif defined (HAVE_MMX)
  60 #define PMINUB(b,a,t) \
  61         "movq " #a ", " #t " \n\t"\
  62         "psubusb " #b ", " #t " \n\t"\
  63         "psubb " #t ", " #a " \n\t"
  64 #endif
  65
  66 #ifdef HAVE_MMX2
  67 #define PMAXUB(a,b) "pmaxub " #a ", " #b " \n\t"
  68 #elif defined (HAVE_MMX)
  69 #define PMAXUB(a,b) \
  70         "psubusb " #a ", " #b " \n\t"\
  71         "paddb " #a ", " #b " \n\t"
  72 #endif
  73
  74 //FIXME? |255-0| = 1 (shouldnt be a problem ...)
  75 #ifdef HAVE_MMX
  76 /**
  77  * Check if the middle 8x8 Block in the given 8x16 block is flat
  78  */
  79 static inline int RENAME(vertClassify)(uint8_t src[], int stride, PPContext *c){
  80         int numEq= 0, dcOk;
  81         src+= stride*4; // src points to begin of the 8x8 Block
  82 asm volatile(
  83                 "movq %0, %%mm7                         \n\t"
  84                 "movq %1, %%mm6                         \n\t"
  85                 : : "m" (c->mmxDcOffset[c->nonBQP]),  "m" (c->mmxDcThreshold[c->nonBQP])
  86                 );
  87
  88 asm volatile(
  89                 "lea (%2, %3), %%"REG_a"                \n\t"
  90 //      0       1       2       3       4       5       6       7       8       9
  91 //      %1      eax     eax+%2  eax+2%2 %1+4%2  ecx     ecx+%2  ecx+2%2 %1+8%2  ecx+4%2
  92
  93                 "movq (%2), %%mm0                       \n\t"
  94                 "movq (%%"REG_a"), %%mm1                \n\t"
  95                 "movq %%mm0, %%mm3                      \n\t"
  96                 "movq %%mm0, %%mm4                      \n\t"
  97                 PMAXUB(%%mm1, %%mm4)
  98                 PMINUB(%%mm1, %%mm3, %%mm5)
  99                 "psubb %%mm1, %%mm0                     \n\t" // mm0 = differnece
 100                 "paddb %%mm7, %%mm0                     \n\t"
 101                 "pcmpgtb %%mm6, %%mm0                   \n\t"
 102
 103                 "movq (%%"REG_a",%3), %%mm2             \n\t"
 104                 PMAXUB(%%mm2, %%mm4)
 105                 PMINUB(%%mm2, %%mm3, %%mm5)
 106                 "psubb %%mm2, %%mm1                     \n\t"
 107                 "paddb %%mm7, %%mm1                     \n\t"
 108                 "pcmpgtb %%mm6, %%mm1                   \n\t"
 109                 "paddb %%mm1, %%mm0                     \n\t"
 110
 111                 "movq (%%"REG_a", %3, 2), %%mm1         \n\t"
 112                 PMAXUB(%%mm1, %%mm4)
 113                 PMINUB(%%mm1, %%mm3, %%mm5)
 114                 "psubb %%mm1, %%mm2                     \n\t"
 115                 "paddb %%mm7, %%mm2                     \n\t"
 116                 "pcmpgtb %%mm6, %%mm2                   \n\t"
 117                 "paddb %%mm2, %%mm0                     \n\t"
 118
 119                 "lea (%%"REG_a", %3, 4), %%"REG_a"      \n\t"
 120
 121                 "movq (%2, %3, 4), %%mm2                \n\t"
 122                 PMAXUB(%%mm2, %%mm4)
 123                 PMINUB(%%mm2, %%mm3, %%mm5)
 124                 "psubb %%mm2, %%mm1                     \n\t"
 125                 "paddb %%mm7, %%mm1                     \n\t"
 126                 "pcmpgtb %%mm6, %%mm1                   \n\t"
 127                 "paddb %%mm1, %%mm0                     \n\t"
 128
 129                 "movq (%%"REG_a"), %%mm1                \n\t"
 130                 PMAXUB(%%mm1, %%mm4)
 131                 PMINUB(%%mm1, %%mm3, %%mm5)
 132                 "psubb %%mm1, %%mm2                     \n\t"
 133                 "paddb %%mm7, %%mm2                     \n\t"
 134                 "pcmpgtb %%mm6, %%mm2                   \n\t"
 135                 "paddb %%mm2, %%mm0                     \n\t"
 136
 137                 "movq (%%"REG_a", %3), %%mm2            \n\t"
 138                 PMAXUB(%%mm2, %%mm4)
 139                 PMINUB(%%mm2, %%mm3, %%mm5)
 140                 "psubb %%mm2, %%mm1                     \n\t"
 141                 "paddb %%mm7, %%mm1                     \n\t"
 142                 "pcmpgtb %%mm6, %%mm1                   \n\t"
 143                 "paddb %%mm1, %%mm0                     \n\t"
 144
 145                 "movq (%%"REG_a", %3, 2), %%mm1         \n\t"
 146                 PMAXUB(%%mm1, %%mm4)
 147                 PMINUB(%%mm1, %%mm3, %%mm5)
 148                 "psubb %%mm1, %%mm2                     \n\t"
 149                 "paddb %%mm7, %%mm2                     \n\t"
 150                 "pcmpgtb %%mm6, %%mm2                   \n\t"
 151                 "paddb %%mm2, %%mm0                     \n\t"
 152                 "psubusb %%mm3, %%mm4                   \n\t"
 153
 154                 "                                       \n\t"
 155 #ifdef HAVE_MMX2
 156                 "pxor %%mm7, %%mm7                      \n\t"
 157                 "psadbw %%mm7, %%mm0                    \n\t"
 158 #else
 159                 "movq %%mm0, %%mm1                      \n\t"
 160                 "psrlw $8, %%mm0                        \n\t"
 161                 "paddb %%mm1, %%mm0                     \n\t"
 162                 "movq %%mm0, %%mm1                      \n\t"
 163                 "psrlq $16, %%mm0                       \n\t"
 164                 "paddb %%mm1, %%mm0                     \n\t"
 165                 "movq %%mm0, %%mm1                      \n\t"
 166                 "psrlq $32, %%mm0                       \n\t"
 167                 "paddb %%mm1, %%mm0                     \n\t"
 168 #endif
 169                 "movq %4, %%mm7                         \n\t" // QP,..., QP
 170                 "paddusb %%mm7, %%mm7                   \n\t" // 2QP ... 2QP
 171                 "psubusb %%mm7, %%mm4                   \n\t" // Diff <= 2QP -> 0
 172                 "packssdw %%mm4, %%mm4                  \n\t"
 173                 "movd %%mm0, %0                         \n\t"
 174                 "movd %%mm4, %1                         \n\t"
 175
 176                 : "=r" (numEq), "=r" (dcOk)
 177                 : "r" (src), "r" ((long)stride), "m" (c->pQPb)
 178                 : "%"REG_a
 179                 );
 180
 181         numEq= (-numEq) &0xFF;
 182         if(numEq > c->ppMode.flatnessThreshold){
 183             if(dcOk) return 0;
 184             else     return 1;
 185         }else{
 186             return 2;
 187         }
 188 }
 189 #endif //HAVE_MMX
 190
 191 /**
 192  * Do a vertical low pass filter on the 8x16 block (only write to the 8x8 block in the middle)
 193  * using the 9-Tap Filter (1,1,2,2,4,2,2,1,1)/16
 194  */
 195 #ifndef HAVE_ALTIVEC
 196 static inline void RENAME(doVertLowPass)(uint8_t *src, int stride, PPContext *c)
 197 {
 198 #if defined (HAVE_MMX2) || defined (HAVE_3DNOW)
 199         src+= stride*3;
 200         asm volatile(        //"movv %0 %1 %2\n\t"
 201                 "movq %2, %%mm0                         \n\t"  // QP,..., QP
 202                 "pxor %%mm4, %%mm4                      \n\t"
 203
 204                 "movq (%0), %%mm6                       \n\t"
 205                 "movq (%0, %1), %%mm5                   \n\t"
 206                 "movq %%mm5, %%mm1                      \n\t"
 207                 "movq %%mm6, %%mm2                      \n\t"
 208                 "psubusb %%mm6, %%mm5                   \n\t"
 209                 "psubusb %%mm1, %%mm2                   \n\t"
 210                 "por %%mm5, %%mm2                       \n\t" // ABS Diff of lines
 211                 "psubusb %%mm0, %%mm2                   \n\t" // diff <= QP -> 0
 212                 "pcmpeqb %%mm4, %%mm2                   \n\t" // diff <= QP -> FF
 213
 214                 "pand %%mm2, %%mm6                      \n\t"
 215                 "pandn %%mm1, %%mm2                     \n\t"
 216                 "por %%mm2, %%mm6                       \n\t"// First Line to Filter
 217
 218                 "movq (%0, %1, 8), %%mm5                \n\t"
 219                 "lea (%0, %1, 4), %%"REG_a"             \n\t"
 220                 "lea (%0, %1, 8), %%"REG_c"             \n\t"
 221                 "sub %1, %%"REG_c"                      \n\t"
 222                 "add %1, %0                             \n\t" // %0 points to line 1 not 0
 223                 "movq (%0, %1, 8), %%mm7                \n\t"
 224                 "movq %%mm5, %%mm1                      \n\t"
 225                 "movq %%mm7, %%mm2                      \n\t"
 226                 "psubusb %%mm7, %%mm5                   \n\t"
 227                 "psubusb %%mm1, %%mm2                   \n\t"
 228                 "por %%mm5, %%mm2                       \n\t" // ABS Diff of lines
 229                 "psubusb %%mm0, %%mm2                   \n\t" // diff <= QP -> 0
 230                 "pcmpeqb %%mm4, %%mm2                   \n\t" // diff <= QP -> FF
 231
 232                 "pand %%mm2, %%mm7                      \n\t"
 233                 "pandn %%mm1, %%mm2                     \n\t"
 234                 "por %%mm2, %%mm7                       \n\t" // First Line to Filter
 235
 236
 237                 //      1       2       3       4       5       6       7       8
 238                 //      %0      %0+%1   %0+2%1  eax     %0+4%1  eax+2%1 ecx     eax+4%1
 239                 // 6 4 2 2 1 1
 240                 // 6 4 4 2
 241                 // 6 8 2
 242
 243                 "movq (%0, %1), %%mm0                   \n\t" //  1
 244                 "movq %%mm0, %%mm1                      \n\t" //  1
 245                 PAVGB(%%mm6, %%mm0)                           //1 1        /2
 246                 PAVGB(%%mm6, %%mm0)                           //3 1        /4
 247
 248                 "movq (%0, %1, 4), %%mm2                \n\t" //     1
 249                 "movq %%mm2, %%mm5                      \n\t" //     1
 250                 PAVGB((%%REGa), %%mm2)                        //    11        /2
 251                 PAVGB((%0, %1, 2), %%mm2)                     //   211        /4
 252                 "movq %%mm2, %%mm3                      \n\t" //   211        /4
 253                 "movq (%0), %%mm4                       \n\t" // 1
 254                 PAVGB(%%mm4, %%mm3)                           // 4 211        /8
 255                 PAVGB(%%mm0, %%mm3)                           //642211        /16
 256                 "movq %%mm3, (%0)                       \n\t" // X
 257                 // mm1=2 mm2=3(211) mm4=1 mm5=5 mm6=0 mm7=9
 258                 "movq %%mm1, %%mm0                      \n\t" //  1
 259                 PAVGB(%%mm6, %%mm0)                           //1 1        /2
 260                 "movq %%mm4, %%mm3                      \n\t" // 1
 261                 PAVGB((%0,%1,2), %%mm3)                       // 1 1        /2
 262                 PAVGB((%%REGa,%1,2), %%mm5)                   //     11        /2
 263                 PAVGB((%%REGa), %%mm5)                        //    211 /4
 264                 PAVGB(%%mm5, %%mm3)                           // 2 2211 /8
 265                 PAVGB(%%mm0, %%mm3)                           //4242211 /16
 266                 "movq %%mm3, (%0,%1)                    \n\t" //  X
 267                 // mm1=2 mm2=3(211) mm4=1 mm5=4(211) mm6=0 mm7=9
 268                 PAVGB(%%mm4, %%mm6)                                   //11        /2
 269                 "movq (%%"REG_c"), %%mm0                \n\t" //       1
 270                 PAVGB((%%REGa, %1, 2), %%mm0)                 //      11/2
 271                 "movq %%mm0, %%mm3                      \n\t" //      11/2
 272                 PAVGB(%%mm1, %%mm0)                           //  2   11/4
 273                 PAVGB(%%mm6, %%mm0)                           //222   11/8
 274                 PAVGB(%%mm2, %%mm0)                           //22242211/16
 275                 "movq (%0, %1, 2), %%mm2                \n\t" //   1
 276                 "movq %%mm0, (%0, %1, 2)                \n\t" //   X
 277                 // mm1=2 mm2=3 mm3=6(11) mm4=1 mm5=4(211) mm6=0(11) mm7=9
 278                 "movq (%%"REG_a", %1, 4), %%mm0         \n\t" //        1
 279                 PAVGB((%%REGc), %%mm0)                        //       11        /2
 280                 PAVGB(%%mm0, %%mm6)                           //11     11        /4
 281                 PAVGB(%%mm1, %%mm4)                           // 11                /2
 282                 PAVGB(%%mm2, %%mm1)                           //  11                /2
 283                 PAVGB(%%mm1, %%mm6)                           //1122   11        /8
 284                 PAVGB(%%mm5, %%mm6)                           //112242211        /16
 285                 "movq (%%"REG_a"), %%mm5                \n\t" //    1
 286                 "movq %%mm6, (%%"REG_a")                \n\t" //    X
 287                 // mm0=7(11) mm1=2(11) mm2=3 mm3=6(11) mm4=1(11) mm5=4 mm7=9
 288                 "movq (%%"REG_a", %1, 4), %%mm6         \n\t" //        1
 289                 PAVGB(%%mm7, %%mm6)                           //        11        /2
 290                 PAVGB(%%mm4, %%mm6)                           // 11     11        /4
 291                 PAVGB(%%mm3, %%mm6)                           // 11   2211        /8
 292                 PAVGB(%%mm5, %%mm2)                           //   11                /2
 293                 "movq (%0, %1, 4), %%mm4                \n\t" //     1
 294                 PAVGB(%%mm4, %%mm2)                           //   112                /4
 295                 PAVGB(%%mm2, %%mm6)                           // 112242211        /16
 296                 "movq %%mm6, (%0, %1, 4)                \n\t" //     X
 297                 // mm0=7(11) mm1=2(11) mm2=3(112) mm3=6(11) mm4=5 mm5=4 mm7=9
 298                 PAVGB(%%mm7, %%mm1)                           //  11     2        /4
 299                 PAVGB(%%mm4, %%mm5)                           //    11                /2
 300                 PAVGB(%%mm5, %%mm0)                           //    11 11        /4
 301                 "movq (%%"REG_a", %1, 2), %%mm6         \n\t" //      1
 302                 PAVGB(%%mm6, %%mm1)                           //  11  4  2        /8
 303                 PAVGB(%%mm0, %%mm1)                           //  11224222        /16
 304                 "movq %%mm1, (%%"REG_a", %1, 2)         \n\t" //      X
 305                 // mm2=3(112) mm3=6(11) mm4=5 mm5=4(11) mm6=6 mm7=9
 306                 PAVGB((%%REGc), %%mm2)                        //   112 4        /8
 307                 "movq (%%"REG_a", %1, 4), %%mm0         \n\t" //        1
 308                 PAVGB(%%mm0, %%mm6)                           //      1 1        /2
 309                 PAVGB(%%mm7, %%mm6)                           //      1 12        /4
 310                 PAVGB(%%mm2, %%mm6)                           //   1122424        /4
 311                 "movq %%mm6, (%%"REG_c")                \n\t" //       X
 312                 // mm0=8 mm3=6(11) mm4=5 mm5=4(11) mm7=9
 313                 PAVGB(%%mm7, %%mm5)                           //    11   2        /4
 314                 PAVGB(%%mm7, %%mm5)                           //    11   6        /8
 315
 316                 PAVGB(%%mm3, %%mm0)                           //      112        /4
 317                 PAVGB(%%mm0, %%mm5)                           //    112246        /16
 318                 "movq %%mm5, (%%"REG_a", %1, 4)         \n\t" //        X
 319                 "sub %1, %0                             \n\t"
 320
 321                 :
 322                 : "r" (src), "r" ((long)stride), "m" (c->pQPb)
 323                 : "%"REG_a, "%"REG_c
 324         );
 325 #else //defined (HAVE_MMX2) || defined (HAVE_3DNOW)
 326         const int l1= stride;
 327         const int l2= stride + l1;
 328         const int l3= stride + l2;
 329         const int l4= stride + l3;
 330         const int l5= stride + l4;
 331         const int l6= stride + l5;
 332         const int l7= stride + l6;
 333         const int l8= stride + l7;
 334         const int l9= stride + l8;
 335         int x;
 336         src+= stride*3;
 337         for(x=0; x<BLOCK_SIZE; x++)
 338         {
 339                 const int first= ABS(src[0] - src[l1]) < c->QP ? src[0] : src[l1];
 340                 const int last= ABS(src[l8] - src[l9]) < c->QP ? src[l9] : src[l8];
 341
 342                 int sums[10];
 343                 sums[0] = 4*first + src[l1] + src[l2] + src[l3] + 4;
 344                 sums[1] = sums[0] - first  + src[l4];
 345                 sums[2] = sums[1] - first  + src[l5];
 346                 sums[3] = sums[2] - first  + src[l6];
 347                 sums[4] = sums[3] - first  + src[l7];
 348                 sums[5] = sums[4] - src[l1] + src[l8];
 349                 sums[6] = sums[5] - src[l2] + last;
 350                 sums[7] = sums[6] - src[l3] + last;
 351                 sums[8] = sums[7] - src[l4] + last;
 352                 sums[9] = sums[8] - src[l5] + last;
 353
 354                 src[l1]= (sums[0] + sums[2] + 2*src[l1])>>4;
 355                 src[l2]= (sums[1] + sums[3] + 2*src[l2])>>4;
 356                 src[l3]= (sums[2] + sums[4] + 2*src[l3])>>4;
 357                 src[l4]= (sums[3] + sums[5] + 2*src[l4])>>4;
 358                 src[l5]= (sums[4] + sums[6] + 2*src[l5])>>4;
 359                 src[l6]= (sums[5] + sums[7] + 2*src[l6])>>4;
 360                 src[l7]= (sums[6] + sums[8] + 2*src[l7])>>4;
 361                 src[l8]= (sums[7] + sums[9] + 2*src[l8])>>4;
 362
 363                 src++;
 364         }
 365 #endif //defined (HAVE_MMX2) || defined (HAVE_3DNOW)
 366 }
 367 #endif //HAVE_ALTIVEC
 368
 369 #if 0
 370 /**
 371  * Experimental implementation of the filter (Algorithm 1) described in a paper from Ramkishor & Karandikar
 372  * values are correctly clipped (MMX2)
 373  * values are wraparound (C)
 374  * conclusion: its fast, but introduces ugly horizontal patterns if there is a continious gradient
 375         0 8 16 24
 376         x = 8
 377         x/2 = 4
 378         x/8 = 1
 379         1 12 12 23
 380  */
 381 static inline void RENAME(vertRK1Filter)(uint8_t *src, int stride, int QP)
 382 {
 383 #if defined (HAVE_MMX2) || defined (HAVE_3DNOW)
 384         src+= stride*3;
 385 // FIXME rounding
 386         asm volatile(
 387                 "pxor %%mm7, %%mm7                      \n\t" // 0
 388                 "movq "MANGLE(b80)", %%mm6              \n\t" // MIN_SIGNED_BYTE
 389                 "leal (%0, %1), %%"REG_a"               \n\t"
 390                 "leal (%%"REG_a", %1, 4), %%"REG_c"     \n\t"
 391 //      0       1       2       3       4       5       6       7       8       9
 392 //      %0      eax     eax+%1  eax+2%1 %0+4%1  ecx     ecx+%1  ecx+2%1 %0+8%1  ecx+4%1
 393                 "movq "MANGLE(pQPb)", %%mm0             \n\t" // QP,..., QP
 394                 "movq %%mm0, %%mm1                      \n\t" // QP,..., QP
 395                 "paddusb "MANGLE(b02)", %%mm0           \n\t"
 396                 "psrlw $2, %%mm0                        \n\t"
 397                 "pand "MANGLE(b3F)", %%mm0              \n\t" // QP/4,..., QP/4
 398                 "paddusb %%mm1, %%mm0                   \n\t" // QP*1.25 ...
 399                 "movq (%0, %1, 4), %%mm2                \n\t" // line 4
 400                 "movq (%%"REG_c"), %%mm3                \n\t" // line 5
 401                 "movq %%mm2, %%mm4                      \n\t" // line 4
 402                 "pcmpeqb %%mm5, %%mm5                   \n\t" // -1
 403                 "pxor %%mm2, %%mm5                      \n\t" // -line 4 - 1
 404                 PAVGB(%%mm3, %%mm5)
 405                 "paddb %%mm6, %%mm5                     \n\t" // (l5-l4)/2
 406                 "psubusb %%mm3, %%mm4                   \n\t"
 407                 "psubusb %%mm2, %%mm3                   \n\t"
 408                 "por %%mm3, %%mm4                       \n\t" // |l4 - l5|
 409                 "psubusb %%mm0, %%mm4                   \n\t"
 410                 "pcmpeqb %%mm7, %%mm4                   \n\t"
 411                 "pand %%mm4, %%mm5                      \n\t" // d/2
 412
 413 //                "paddb %%mm6, %%mm2                     \n\t" // line 4 + 0x80
 414                 "paddb %%mm5, %%mm2                     \n\t"
 415 //                "psubb %%mm6, %%mm2                     \n\t"
 416                 "movq %%mm2, (%0,%1, 4)                 \n\t"
 417
 418                 "movq (%%"REG_c"), %%mm2                \n\t"
 419 //                "paddb %%mm6, %%mm2                     \n\t" // line 5 + 0x80
 420                 "psubb %%mm5, %%mm2                     \n\t"
 421 //                "psubb %%mm6, %%mm2                     \n\t"
 422                 "movq %%mm2, (%%"REG_c")                \n\t"
 423
 424                 "paddb %%mm6, %%mm5                     \n\t"
 425                 "psrlw $2, %%mm5                        \n\t"
 426                 "pand "MANGLE(b3F)", %%mm5              \n\t"
 427                 "psubb "MANGLE(b20)", %%mm5             \n\t" // (l5-l4)/8
 428
 429                 "movq (%%"REG_a", %1, 2), %%mm2         \n\t"
 430                 "paddb %%mm6, %%mm2                     \n\t" // line 3 + 0x80
 431                 "paddsb %%mm5, %%mm2                    \n\t"
 432                 "psubb %%mm6, %%mm2                     \n\t"
 433                 "movq %%mm2, (%%"REG_a", %1, 2)         \n\t"
 434
 435                 "movq (%%"REG_c", %1), %%mm2            \n\t"
 436                 "paddb %%mm6, %%mm2                     \n\t" // line 6 + 0x80
 437                 "psubsb %%mm5, %%mm2                    \n\t"
 438                 "psubb %%mm6, %%mm2                     \n\t"
 439                 "movq %%mm2, (%%"REG_c", %1)            \n\t"
 440
 441                 :
 442                 : "r" (src), "r" ((long)stride)
 443                 : "%"REG_a, "%"REG_c
 444         );
 445 #else //defined (HAVE_MMX2) || defined (HAVE_3DNOW)
 446          const int l1= stride;
 447         const int l2= stride + l1;
 448         const int l3= stride + l2;
 449         const int l4= stride + l3;
 450         const int l5= stride + l4;
 451         const int l6= stride + l5;
 452 //        const int l7= stride + l6;
 453 //        const int l8= stride + l7;
 454 //        const int l9= stride + l8;
 455         int x;
 456         const int QP15= QP + (QP>>2);
 457         src+= stride*3;
 458         for(x=0; x<BLOCK_SIZE; x++)
 459         {
 460                 const int v = (src[x+l5] - src[x+l4]);
 461                 if(ABS(v) < QP15)
 462                 {
 463                         src[x+l3] +=v>>3;
 464                         src[x+l4] +=v>>1;
 465                         src[x+l5] -=v>>1;
 466                         src[x+l6] -=v>>3;
 467
 468                 }
 469         }
 470
 471 #endif //defined (HAVE_MMX2) || defined (HAVE_3DNOW)
 472 }
 473 #endif //0
 474
 475 /**
 476  * Experimental Filter 1
 477  * will not damage linear gradients
 478  * Flat blocks should look like they where passed through the (1,1,2,2,4,2,2,1,1) 9-Tap filter
 479  * can only smooth blocks at the expected locations (it cant smooth them if they did move)
 480  * MMX2 version does correct clipping C version doesnt
 481  */
 482 static inline void RENAME(vertX1Filter)(uint8_t *src, int stride, PPContext *co)
 483 {
 484 #if defined (HAVE_MMX2) || defined (HAVE_3DNOW)
 485         src+= stride*3;
 486
 487         asm volatile(
 488                 "pxor %%mm7, %%mm7                      \n\t" // 0
 489                 "lea (%0, %1), %%"REG_a"                \n\t"
 490                 "lea (%%"REG_a", %1, 4), %%"REG_c"      \n\t"
 491 //      0       1       2       3       4       5       6       7       8       9
 492 //      %0      eax     eax+%1  eax+2%1 %0+4%1  ecx     ecx+%1  ecx+2%1 %0+8%1  ecx+4%1
 493                 "movq (%%"REG_a", %1, 2), %%mm0         \n\t" // line 3
 494                 "movq (%0, %1, 4), %%mm1                \n\t" // line 4
 495                 "movq %%mm1, %%mm2                      \n\t" // line 4
 496                 "psubusb %%mm0, %%mm1                   \n\t"
 497                 "psubusb %%mm2, %%mm0                   \n\t"
 498                 "por %%mm1, %%mm0                       \n\t" // |l2 - l3|
 499                 "movq (%%"REG_c"), %%mm3                \n\t" // line 5
 500                 "movq (%%"REG_c", %1), %%mm4            \n\t" // line 6
 501                 "movq %%mm3, %%mm5                      \n\t" // line 5
 502                 "psubusb %%mm4, %%mm3                   \n\t"
 503                 "psubusb %%mm5, %%mm4                   \n\t"
 504                 "por %%mm4, %%mm3                       \n\t" // |l5 - l6|
 505                 PAVGB(%%mm3, %%mm0)                           // (|l2 - l3| + |l5 - l6|)/2
 506                 "movq %%mm2, %%mm1                      \n\t" // line 4
 507                 "psubusb %%mm5, %%mm2                   \n\t"
 508                 "movq %%mm2, %%mm4                      \n\t"
 509                 "pcmpeqb %%mm7, %%mm2                   \n\t" // (l4 - l5) <= 0 ? -1 : 0
 510                 "psubusb %%mm1, %%mm5                   \n\t"
 511                 "por %%mm5, %%mm4                       \n\t" // |l4 - l5|
 512                 "psubusb %%mm0, %%mm4                   \n\t" //d = MAX(0, |l4-l5| - (|l2-l3| + |l5-l6|)/2)
 513                 "movq %%mm4, %%mm3                      \n\t" // d
 514                 "movq %2, %%mm0                         \n\t"
 515                 "paddusb %%mm0, %%mm0                   \n\t"
 516                 "psubusb %%mm0, %%mm4                   \n\t"
 517                 "pcmpeqb %%mm7, %%mm4                   \n\t" // d <= QP ? -1 : 0
 518                 "psubusb "MANGLE(b01)", %%mm3           \n\t"
 519                 "pand %%mm4, %%mm3                      \n\t" // d <= QP ? d : 0
 520
 521                 PAVGB(%%mm7, %%mm3)                           // d/2
 522                 "movq %%mm3, %%mm1                      \n\t" // d/2
 523                 PAVGB(%%mm7, %%mm3)                           // d/4
 524                 PAVGB(%%mm1, %%mm3)                           // 3*d/8
 525
 526                 "movq (%0, %1, 4), %%mm0                \n\t" // line 4
 527                 "pxor %%mm2, %%mm0                      \n\t" //(l4 - l5) <= 0 ? -l4-1 : l4
 528                 "psubusb %%mm3, %%mm0                   \n\t"
 529                 "pxor %%mm2, %%mm0                      \n\t"
 530                 "movq %%mm0, (%0, %1, 4)                \n\t" // line 4
 531
 532                 "movq (%%"REG_c"), %%mm0                \n\t" // line 5
 533                 "pxor %%mm2, %%mm0                      \n\t" //(l4 - l5) <= 0 ? -l5-1 : l5
 534                 "paddusb %%mm3, %%mm0                   \n\t"
 535                 "pxor %%mm2, %%mm0                      \n\t"
 536                 "movq %%mm0, (%%"REG_c")                \n\t" // line 5
 537
 538                 PAVGB(%%mm7, %%mm1)                           // d/4
 539
 540                 "movq (%%"REG_a", %1, 2), %%mm0         \n\t" // line 3
 541                 "pxor %%mm2, %%mm0                      \n\t" //(l4 - l5) <= 0 ? -l4-1 : l4
 542                 "psubusb %%mm1, %%mm0                   \n\t"
 543                 "pxor %%mm2, %%mm0                      \n\t"
 544                 "movq %%mm0, (%%"REG_a", %1, 2)         \n\t" // line 3
 545
 546                 "movq (%%"REG_c", %1), %%mm0            \n\t" // line 6
 547                 "pxor %%mm2, %%mm0                      \n\t" //(l4 - l5) <= 0 ? -l5-1 : l5
 548                 "paddusb %%mm1, %%mm0                   \n\t"
 549                 "pxor %%mm2, %%mm0                      \n\t"
 550                 "movq %%mm0, (%%"REG_c", %1)            \n\t" // line 6
 551
 552                 PAVGB(%%mm7, %%mm1)                           // d/8
 553
 554                 "movq (%%"REG_a", %1), %%mm0            \n\t" // line 2
 555                 "pxor %%mm2, %%mm0                      \n\t" //(l4 - l5) <= 0 ? -l2-1 : l2
 556                 "psubusb %%mm1, %%mm0                   \n\t"
 557                 "pxor %%mm2, %%mm0                      \n\t"
 558                 "movq %%mm0, (%%"REG_a", %1)            \n\t" // line 2
 559
 560                 "movq (%%"REG_c", %1, 2), %%mm0         \n\t" // line 7
 561                 "pxor %%mm2, %%mm0                      \n\t" //(l4 - l5) <= 0 ? -l7-1 : l7
 562                 "paddusb %%mm1, %%mm0                   \n\t"
 563                 "pxor %%mm2, %%mm0                      \n\t"
 564                 "movq %%mm0, (%%"REG_c", %1, 2)         \n\t" // line 7
 565
 566                 :
 567                 : "r" (src), "r" ((long)stride), "m" (co->pQPb)
 568                 : "%"REG_a, "%"REG_c
 569         );
 570 #else //defined (HAVE_MMX2) || defined (HAVE_3DNOW)
 571
 572         const int l1= stride;
 573         const int l2= stride + l1;
 574         const int l3= stride + l2;
 575         const int l4= stride + l3;
 576         const int l5= stride + l4;
 577         const int l6= stride + l5;
 578         const int l7= stride + l6;
 579 //        const int l8= stride + l7;
 580 //        const int l9= stride + l8;
 581         int x;
 582
 583         src+= stride*3;
 584         for(x=0; x<BLOCK_SIZE; x++)
 585         {
 586                 int a= src[l3] - src[l4];
 587                 int b= src[l4] - src[l5];
 588                 int c= src[l5] - src[l6];
 589
 590                 int d= ABS(b) - ((ABS(a) + ABS(c))>>1);
 591                 d= MAX(d, 0);
 592
 593                 if(d < co->QP*2)
 594                 {
 595                         int v = d * SIGN(-b);
 596
 597                         src[l2] +=v>>3;
 598                         src[l3] +=v>>2;
 599                         src[l4] +=(3*v)>>3;
 600                         src[l5] -=(3*v)>>3;
 601                         src[l6] -=v>>2;
 602                         src[l7] -=v>>3;
 603
 604                 }
 605                 src++;
 606         }
 607 #endif //defined (HAVE_MMX2) || defined (HAVE_3DNOW)
 608 }
 609
 610 #ifndef HAVE_ALTIVEC
 611 static inline void RENAME(doVertDefFilter)(uint8_t src[], int stride, PPContext *c)
 612 {
 613 #if defined (HAVE_MMX2) || defined (HAVE_3DNOW)
 614 /*
 615         uint8_t tmp[16];
 616         const int l1= stride;
 617         const int l2= stride + l1;
 618         const int l3= stride + l2;
 619         const int l4= (int)tmp - (int)src - stride*3;
 620         const int l5= (int)tmp - (int)src - stride*3 + 8;
 621         const int l6= stride*3 + l3;
 622         const int l7= stride + l6;
 623         const int l8= stride + l7;
 624
 625         memcpy(tmp, src+stride*7, 8);
 626         memcpy(tmp+8, src+stride*8, 8);
 627 */
 628         src+= stride*4;
 629         asm volatile(
 630
 631 #if 0 //sligtly more accurate and slightly slower
 632                 "pxor %%mm7, %%mm7                      \n\t" // 0
 633                 "lea (%0, %1), %%"REG_a"                \n\t"
 634                 "lea (%%"REG_a", %1, 4), %%"REG_c"      \n\t"
 635 //      0       1       2       3       4       5       6       7
 636 //      %0      %0+%1   %0+2%1  eax+2%1 %0+4%1  eax+4%1 ecx+%1  ecx+2%1
 637 //      %0      eax     eax+%1  eax+2%1 %0+4%1  ecx     ecx+%1  ecx+2%1
 638
 639
 640                 "movq (%0, %1, 2), %%mm0                \n\t" // l2
 641                 "movq (%0), %%mm1                       \n\t" // l0
 642                 "movq %%mm0, %%mm2                      \n\t" // l2
 643                 PAVGB(%%mm7, %%mm0)                           // ~l2/2
 644                 PAVGB(%%mm1, %%mm0)                           // ~(l2 + 2l0)/4
 645                 PAVGB(%%mm2, %%mm0)                           // ~(5l2 + 2l0)/8
 646
 647                 "movq (%%"REG_a"), %%mm1                \n\t" // l1
 648                 "movq (%%"REG_a", %1, 2), %%mm3         \n\t" // l3
 649                 "movq %%mm1, %%mm4                      \n\t" // l1
 650                 PAVGB(%%mm7, %%mm1)                           // ~l1/2
 651                 PAVGB(%%mm3, %%mm1)                           // ~(l1 + 2l3)/4
 652                 PAVGB(%%mm4, %%mm1)                           // ~(5l1 + 2l3)/8
 653
 654                 "movq %%mm0, %%mm4                      \n\t" // ~(5l2 + 2l0)/8
 655                 "psubusb %%mm1, %%mm0                   \n\t"
 656                 "psubusb %%mm4, %%mm1                   \n\t"
 657                 "por %%mm0, %%mm1                       \n\t" // ~|2l0 - 5l1 + 5l2 - 2l3|/8
 658 // mm1= |lenergy|, mm2= l2, mm3= l3, mm7=0
 659
 660                 "movq (%0, %1, 4), %%mm0                \n\t" // l4
 661                 "movq %%mm0, %%mm4                      \n\t" // l4
 662                 PAVGB(%%mm7, %%mm0)                           // ~l4/2
 663                 PAVGB(%%mm2, %%mm0)                           // ~(l4 + 2l2)/4
 664                 PAVGB(%%mm4, %%mm0)                           // ~(5l4 + 2l2)/8
 665
 666                 "movq (%%"REG_c"), %%mm2                \n\t" // l5
 667                 "movq %%mm3, %%mm5                      \n\t" // l3
 668                 PAVGB(%%mm7, %%mm3)                           // ~l3/2
 669                 PAVGB(%%mm2, %%mm3)                           // ~(l3 + 2l5)/4
 670                 PAVGB(%%mm5, %%mm3)                           // ~(5l3 + 2l5)/8
 671
 672                 "movq %%mm0, %%mm6                      \n\t" // ~(5l4 + 2l2)/8
 673                 "psubusb %%mm3, %%mm0                   \n\t"
 674                 "psubusb %%mm6, %%mm3                   \n\t"
 675                 "por %%mm0, %%mm3                       \n\t" // ~|2l2 - 5l3 + 5l4 - 2l5|/8
 676                 "pcmpeqb %%mm7, %%mm0                   \n\t" // SIGN(2l2 - 5l3 + 5l4 - 2l5)
 677 // mm0= SIGN(menergy), mm1= |lenergy|, mm2= l5, mm3= |menergy|, mm4=l4, mm5= l3, mm7=0
 678
 679                 "movq (%%"REG_c", %1), %%mm6            \n\t" // l6
 680                 "movq %%mm6, %%mm5                      \n\t" // l6
 681                 PAVGB(%%mm7, %%mm6)                           // ~l6/2
 682                 PAVGB(%%mm4, %%mm6)                           // ~(l6 + 2l4)/4
 683                 PAVGB(%%mm5, %%mm6)                           // ~(5l6 + 2l4)/8
 684
 685                 "movq (%%"REG_c", %1, 2), %%mm5         \n\t" // l7
 686                 "movq %%mm2, %%mm4                      \n\t" // l5
 687                 PAVGB(%%mm7, %%mm2)                           // ~l5/2
 688                 PAVGB(%%mm5, %%mm2)                           // ~(l5 + 2l7)/4
 689                 PAVGB(%%mm4, %%mm2)                           // ~(5l5 + 2l7)/8
 690
 691                 "movq %%mm6, %%mm4                      \n\t" // ~(5l6 + 2l4)/8
 692                 "psubusb %%mm2, %%mm6                   \n\t"
 693                 "psubusb %%mm4, %%mm2                   \n\t"
 694                 "por %%mm6, %%mm2                       \n\t" // ~|2l4 - 5l5 + 5l6 - 2l7|/8
 695 // mm0= SIGN(menergy), mm1= |lenergy|/8, mm2= |renergy|/8, mm3= |menergy|/8, mm7=0
 696
 697
 698                 PMINUB(%%mm2, %%mm1, %%mm4)                   // MIN(|lenergy|,|renergy|)/8
 699                 "movq %2, %%mm4                         \n\t" // QP //FIXME QP+1 ?
 700                 "paddusb "MANGLE(b01)", %%mm4           \n\t"
 701                 "pcmpgtb %%mm3, %%mm4                   \n\t" // |menergy|/8 < QP
 702                 "psubusb %%mm1, %%mm3                   \n\t" // d=|menergy|/8-MIN(|lenergy|,|renergy|)/8
 703                 "pand %%mm4, %%mm3                      \n\t"
 704
 705                 "movq %%mm3, %%mm1                      \n\t"
 706 //                "psubusb "MANGLE(b01)", %%mm3           \n\t"
 707                 PAVGB(%%mm7, %%mm3)
 708                 PAVGB(%%mm7, %%mm3)
 709                 "paddusb %%mm1, %%mm3                   \n\t"
 710 //                "paddusb "MANGLE(b01)", %%mm3           \n\t"
 711
 712                 "movq (%%"REG_a", %1, 2), %%mm6         \n\t" //l3
 713                 "movq (%0, %1, 4), %%mm5                \n\t" //l4
 714                 "movq (%0, %1, 4), %%mm4                \n\t" //l4
 715                 "psubusb %%mm6, %%mm5                   \n\t"
 716                 "psubusb %%mm4, %%mm6                   \n\t"
 717                 "por %%mm6, %%mm5                       \n\t" // |l3-l4|
 718                 "pcmpeqb %%mm7, %%mm6                   \n\t" // SIGN(l3-l4)
 719                 "pxor %%mm6, %%mm0                      \n\t"
 720                 "pand %%mm0, %%mm3                      \n\t"
 721                 PMINUB(%%mm5, %%mm3, %%mm0)
 722
 723                 "psubusb "MANGLE(b01)", %%mm3           \n\t"
 724                 PAVGB(%%mm7, %%mm3)
 725
 726                 "movq (%%"REG_a", %1, 2), %%mm0         \n\t"
 727                 "movq (%0, %1, 4), %%mm2                \n\t"
 728                 "pxor %%mm6, %%mm0                      \n\t"
 729                 "pxor %%mm6, %%mm2                      \n\t"
 730                 "psubb %%mm3, %%mm0                     \n\t"
 731                 "paddb %%mm3, %%mm2                     \n\t"
 732                 "pxor %%mm6, %%mm0                      \n\t"
 733                 "pxor %%mm6, %%mm2                      \n\t"
 734                 "movq %%mm0, (%%"REG_a", %1, 2)         \n\t"
 735                 "movq %%mm2, (%0, %1, 4)                \n\t"
 736 #endif //0
 737
 738                 "lea (%0, %1), %%"REG_a"                \n\t"
 739                 "pcmpeqb %%mm6, %%mm6                   \n\t" // -1
 740 //      0       1       2       3       4       5       6       7
 741 //      %0      %0+%1   %0+2%1  eax+2%1 %0+4%1  eax+4%1 ecx+%1  ecx+2%1
 742 //      %0      eax     eax+%1  eax+2%1 %0+4%1  ecx     ecx+%1  ecx+2%1
 743
 744
 745                 "movq (%%"REG_a", %1, 2), %%mm1         \n\t" // l3
 746                 "movq (%0, %1, 4), %%mm0                \n\t" // l4
 747                 "pxor %%mm6, %%mm1                      \n\t" // -l3-1
 748                 PAVGB(%%mm1, %%mm0)                           // -q+128 = (l4-l3+256)/2
 749 // mm1=-l3-1, mm0=128-q
 750
 751                 "movq (%%"REG_a", %1, 4), %%mm2         \n\t" // l5
 752                 "movq (%%"REG_a", %1), %%mm3            \n\t" // l2
 753                 "pxor %%mm6, %%mm2                      \n\t" // -l5-1
 754                 "movq %%mm2, %%mm5                      \n\t" // -l5-1
 755                 "movq "MANGLE(b80)", %%mm4              \n\t" // 128
 756                 "lea (%%"REG_a", %1, 4), %%"REG_c"      \n\t"
 757                 PAVGB(%%mm3, %%mm2)                           // (l2-l5+256)/2
 758                 PAVGB(%%mm0, %%mm4)                           // ~(l4-l3)/4 + 128
 759                 PAVGB(%%mm2, %%mm4)                           // ~(l2-l5)/4 +(l4-l3)/8 + 128
 760                 PAVGB(%%mm0, %%mm4)                           // ~(l2-l5)/8 +5(l4-l3)/16 + 128
 761 // mm1=-l3-1, mm0=128-q, mm3=l2, mm4=menergy/16 + 128, mm5= -l5-1
 762
 763                 "movq (%%"REG_a"), %%mm2                \n\t" // l1
 764                 "pxor %%mm6, %%mm2                      \n\t" // -l1-1
 765                 PAVGB(%%mm3, %%mm2)                           // (l2-l1+256)/2
 766                 PAVGB((%0), %%mm1)                            // (l0-l3+256)/2
 767                 "movq "MANGLE(b80)", %%mm3              \n\t" // 128
 768                 PAVGB(%%mm2, %%mm3)                           // ~(l2-l1)/4 + 128
 769                 PAVGB(%%mm1, %%mm3)                           // ~(l0-l3)/4 +(l2-l1)/8 + 128
 770                 PAVGB(%%mm2, %%mm3)                           // ~(l0-l3)/8 +5(l2-l1)/16 + 128
 771 // mm0=128-q, mm3=lenergy/16 + 128, mm4= menergy/16 + 128, mm5= -l5-1
 772
 773                 PAVGB((%%REGc, %1), %%mm5)                    // (l6-l5+256)/2
 774                 "movq (%%"REG_c", %1, 2), %%mm1         \n\t" // l7
 775                 "pxor %%mm6, %%mm1                      \n\t" // -l7-1
 776                 PAVGB((%0, %1, 4), %%mm1)                     // (l4-l7+256)/2
 777                 "movq "MANGLE(b80)", %%mm2              \n\t" // 128
 778                 PAVGB(%%mm5, %%mm2)                           // ~(l6-l5)/4 + 128
 779                 PAVGB(%%mm1, %%mm2)                           // ~(l4-l7)/4 +(l6-l5)/8 + 128
 780                 PAVGB(%%mm5, %%mm2)                           // ~(l4-l7)/8 +5(l6-l5)/16 + 128
 781 // mm0=128-q, mm2=renergy/16 + 128, mm3=lenergy/16 + 128, mm4= menergy/16 + 128
 782
 783                 "movq "MANGLE(b00)", %%mm1              \n\t" // 0
 784                 "movq "MANGLE(b00)", %%mm5              \n\t" // 0
 785                 "psubb %%mm2, %%mm1                     \n\t" // 128 - renergy/16
 786                 "psubb %%mm3, %%mm5                     \n\t" // 128 - lenergy/16
 787                 PMAXUB(%%mm1, %%mm2)                          // 128 + |renergy/16|
 788                  PMAXUB(%%mm5, %%mm3)                         // 128 + |lenergy/16|
 789                 PMINUB(%%mm2, %%mm3, %%mm1)                   // 128 + MIN(|lenergy|,|renergy|)/16
 790
 791 // mm0=128-q, mm3=128 + MIN(|lenergy|,|renergy|)/16, mm4= menergy/16 + 128
 792
 793                 "movq "MANGLE(b00)", %%mm7              \n\t" // 0
 794                 "movq %2, %%mm2                         \n\t" // QP
 795                 PAVGB(%%mm6, %%mm2)                           // 128 + QP/2
 796                 "psubb %%mm6, %%mm2                     \n\t"
 797
 798                 "movq %%mm4, %%mm1                      \n\t"
 799                 "pcmpgtb %%mm7, %%mm1                   \n\t" // SIGN(menergy)
 800                 "pxor %%mm1, %%mm4                      \n\t"
 801                 "psubb %%mm1, %%mm4                     \n\t" // 128 + |menergy|/16
 802                 "pcmpgtb %%mm4, %%mm2                   \n\t" // |menergy|/16 < QP/2
 803                 "psubusb %%mm3, %%mm4                   \n\t" //d=|menergy|/16 - MIN(|lenergy|,|renergy|)/16
 804 // mm0=128-q, mm1= SIGN(menergy), mm2= |menergy|/16 < QP/2, mm4= d/16
 805
 806                 "movq %%mm4, %%mm3                      \n\t" // d
 807                 "psubusb "MANGLE(b01)", %%mm4           \n\t"
 808                 PAVGB(%%mm7, %%mm4)                           // d/32
 809                 PAVGB(%%mm7, %%mm4)                           // (d + 32)/64
 810                 "paddb %%mm3, %%mm4                     \n\t" // 5d/64
 811                 "pand %%mm2, %%mm4                      \n\t"
 812
 813                 "movq "MANGLE(b80)", %%mm5              \n\t" // 128
 814                 "psubb %%mm0, %%mm5                     \n\t" // q
 815                 "paddsb %%mm6, %%mm5                    \n\t" // fix bad rounding
 816                 "pcmpgtb %%mm5, %%mm7                   \n\t" // SIGN(q)
 817                 "pxor %%mm7, %%mm5                      \n\t"
 818
 819                 PMINUB(%%mm5, %%mm4, %%mm3)                   // MIN(|q|, 5d/64)
 820                 "pxor %%mm1, %%mm7                      \n\t" // SIGN(d*q)
 821
 822                 "pand %%mm7, %%mm4                      \n\t"
 823                 "movq (%%"REG_a", %1, 2), %%mm0         \n\t"
 824                 "movq (%0, %1, 4), %%mm2                \n\t"
 825                 "pxor %%mm1, %%mm0                      \n\t"
 826                 "pxor %%mm1, %%mm2                      \n\t"
 827                 "paddb %%mm4, %%mm0                     \n\t"
 828                 "psubb %%mm4, %%mm2                     \n\t"
 829                 "pxor %%mm1, %%mm0                      \n\t"
 830                 "pxor %%mm1, %%mm2                      \n\t"
 831                 "movq %%mm0, (%%"REG_a", %1, 2)         \n\t"
 832                 "movq %%mm2, (%0, %1, 4)                \n\t"
 833
 834                 :
 835                 : "r" (src), "r" ((long)stride), "m" (c->pQPb)
 836                 : "%"REG_a, "%"REG_c
 837         );
 838
 839 /*
 840         {
 841         int x;
 842         src-= stride;
 843         for(x=0; x<BLOCK_SIZE; x++)
 844         {
 845                 const int middleEnergy= 5*(src[l5] - src[l4]) + 2*(src[l3] - src[l6]);
 846                 if(ABS(middleEnergy)< 8*QP)
 847                 {
 848                         const int q=(src[l4] - src[l5])/2;
 849                         const int leftEnergy=  5*(src[l3] - src[l2]) + 2*(src[l1] - src[l4]);
 850                         const int rightEnergy= 5*(src[l7] - src[l6]) + 2*(src[l5] - src[l8]);
 851
 852                         int d= ABS(middleEnergy) - MIN( ABS(leftEnergy), ABS(rightEnergy) );
 853                         d= MAX(d, 0);
 854
 855                         d= (5*d + 32) >> 6;
 856                         d*= SIGN(-middleEnergy);
 857
 858                         if(q>0)
 859                         {
 860                                 d= d<0 ? 0 : d;
 861                                 d= d>q ? q : d;
 862                         }
 863                         else
 864                         {
 865                                 d= d>0 ? 0 : d;
 866                                 d= d<q ? q : d;
 867                         }
 868
 869                         src[l4]-= d;
 870                         src[l5]+= d;
 871                 }
 872                 src++;
 873         }
 874 src-=8;
 875         for(x=0; x<8; x++)
 876         {
 877                 int y;
 878                 for(y=4; y<6; y++)
 879                 {
 880                         int d= src[x+y*stride] - tmp[x+(y-4)*8];
 881                         int ad= ABS(d);
 882                         static int max=0;
 883                         static int sum=0;
 884                         static int num=0;
 885                         static int bias=0;
 886
 887                         if(max<ad) max=ad;
 888                         sum+= ad>3 ? 1 : 0;
 889                         if(ad>3)
 890                         {
 891                                 src[0] = src[7] = src[stride*7] = src[(stride+1)*7]=255;
 892                         }
 893                         if(y==4) bias+=d;
 894                         num++;
 895                         if(num%1000000 == 0)
 896                         {
 897                                 printf(" %d %d %d %d\n", num, sum, max, bias);
 898                         }
 899                 }
 900         }
 901 }
 902 */
 903 #elif defined (HAVE_MMX)
 904         src+= stride*4;
 905         asm volatile(
 906                 "pxor %%mm7, %%mm7                      \n\t"
 907                 "lea -40(%%"REG_SP"), %%"REG_c"         \n\t" // make space for 4 8-byte vars
 908                 "and "ALIGN_MASK", %%"REG_c"            \n\t" // align
 909 //      0       1       2       3       4       5       6       7
 910 //      %0      %0+%1   %0+2%1  eax+2%1 %0+4%1  eax+4%1 edx+%1  edx+2%1
 911 //      %0      eax     eax+%1  eax+2%1 %0+4%1  edx     edx+%1  edx+2%1
 912
 913                 "movq (%0), %%mm0                       \n\t"
 914                 "movq %%mm0, %%mm1                      \n\t"
 915                 "punpcklbw %%mm7, %%mm0                 \n\t" // low part of line 0
 916                 "punpckhbw %%mm7, %%mm1                 \n\t" // high part of line 0
 917
 918                 "movq (%0, %1), %%mm2                   \n\t"
 919                 "lea (%0, %1, 2), %%"REG_a"             \n\t"
 920                 "movq %%mm2, %%mm3                      \n\t"
 921                 "punpcklbw %%mm7, %%mm2                 \n\t" // low part of line 1
 922                 "punpckhbw %%mm7, %%mm3                 \n\t" // high part of line 1
 923
 924                 "movq (%%"REG_a"), %%mm4                \n\t"
 925                 "movq %%mm4, %%mm5                      \n\t"
 926                 "punpcklbw %%mm7, %%mm4                 \n\t" // low part of line 2
 927                 "punpckhbw %%mm7, %%mm5                 \n\t" // high part of line 2
 928
 929                 "paddw %%mm0, %%mm0                     \n\t" // 2L0
 930                 "paddw %%mm1, %%mm1                     \n\t" // 2H0
 931                 "psubw %%mm4, %%mm2                     \n\t" // L1 - L2
 932                 "psubw %%mm5, %%mm3                     \n\t" // H1 - H2
 933                 "psubw %%mm2, %%mm0                     \n\t" // 2L0 - L1 + L2
 934                 "psubw %%mm3, %%mm1                     \n\t" // 2H0 - H1 + H2
 935
 936                 "psllw $2, %%mm2                        \n\t" // 4L1 - 4L2
 937                 "psllw $2, %%mm3                        \n\t" // 4H1 - 4H2
 938                 "psubw %%mm2, %%mm0                     \n\t" // 2L0 - 5L1 + 5L2
 939                 "psubw %%mm3, %%mm1                     \n\t" // 2H0 - 5H1 + 5H2
 940
 941                 "movq (%%"REG_a", %1), %%mm2            \n\t"
 942                 "movq %%mm2, %%mm3                      \n\t"
 943                 "punpcklbw %%mm7, %%mm2                 \n\t" // L3
 944                 "punpckhbw %%mm7, %%mm3                 \n\t" // H3
 945
 946                 "psubw %%mm2, %%mm0                     \n\t" // 2L0 - 5L1 + 5L2 - L3
 947                 "psubw %%mm3, %%mm1                     \n\t" // 2H0 - 5H1 + 5H2 - H3
 948                 "psubw %%mm2, %%mm0                     \n\t" // 2L0 - 5L1 + 5L2 - 2L3
 949                 "psubw %%mm3, %%mm1                     \n\t" // 2H0 - 5H1 + 5H2 - 2H3
 950                 "movq %%mm0, (%%"REG_c")                \n\t" // 2L0 - 5L1 + 5L2 - 2L3
 951                 "movq %%mm1, 8(%%"REG_c")               \n\t" // 2H0 - 5H1 + 5H2 - 2H3
 952
 953                 "movq (%%"REG_a", %1, 2), %%mm0         \n\t"
 954                 "movq %%mm0, %%mm1                      \n\t"
 955                 "punpcklbw %%mm7, %%mm0                 \n\t" // L4
 956                 "punpckhbw %%mm7, %%mm1                 \n\t" // H4
 957
 958                 "psubw %%mm0, %%mm2                     \n\t" // L3 - L4
 959                 "psubw %%mm1, %%mm3                     \n\t" // H3 - H4
 960                 "movq %%mm2, 16(%%"REG_c")              \n\t" // L3 - L4
 961                 "movq %%mm3, 24(%%"REG_c")              \n\t" // H3 - H4
 962                 "paddw %%mm4, %%mm4                     \n\t" // 2L2
 963                 "paddw %%mm5, %%mm5                     \n\t" // 2H2
 964                 "psubw %%mm2, %%mm4                     \n\t" // 2L2 - L3 + L4
 965                 "psubw %%mm3, %%mm5                     \n\t" // 2H2 - H3 + H4
 966
 967                 "lea (%%"REG_a", %1), %0                \n\t"
 968                 "psllw $2, %%mm2                        \n\t" // 4L3 - 4L4
 969                 "psllw $2, %%mm3                        \n\t" // 4H3 - 4H4
 970                 "psubw %%mm2, %%mm4                     \n\t" // 2L2 - 5L3 + 5L4
 971                 "psubw %%mm3, %%mm5                     \n\t" // 2H2 - 5H3 + 5H4
 972 //50 opcodes so far
 973                 "movq (%0, %1, 2), %%mm2                \n\t"
 974                 "movq %%mm2, %%mm3                      \n\t"
 975                 "punpcklbw %%mm7, %%mm2                 \n\t" // L5
 976                 "punpckhbw %%mm7, %%mm3                 \n\t" // H5
 977                 "psubw %%mm2, %%mm4                     \n\t" // 2L2 - 5L3 + 5L4 - L5
 978                 "psubw %%mm3, %%mm5                     \n\t" // 2H2 - 5H3 + 5H4 - H5
 979                 "psubw %%mm2, %%mm4                     \n\t" // 2L2 - 5L3 + 5L4 - 2L5
 980                 "psubw %%mm3, %%mm5                     \n\t" // 2H2 - 5H3 + 5H4 - 2H5
 981
 982                 "movq (%%"REG_a", %1, 4), %%mm6         \n\t"
 983                 "punpcklbw %%mm7, %%mm6                 \n\t" // L6
 984                 "psubw %%mm6, %%mm2                     \n\t" // L5 - L6
 985                 "movq (%%"REG_a", %1, 4), %%mm6         \n\t"
 986                 "punpckhbw %%mm7, %%mm6                 \n\t" // H6
 987                 "psubw %%mm6, %%mm3                     \n\t" // H5 - H6
 988
 989                 "paddw %%mm0, %%mm0                     \n\t" // 2L4
 990                 "paddw %%mm1, %%mm1                     \n\t" // 2H4
 991                 "psubw %%mm2, %%mm0                     \n\t" // 2L4 - L5 + L6
 992                 "psubw %%mm3, %%mm1                     \n\t" // 2H4 - H5 + H6
 993
 994                 "psllw $2, %%mm2                        \n\t" // 4L5 - 4L6
 995                 "psllw $2, %%mm3                        \n\t" // 4H5 - 4H6
 996                 "psubw %%mm2, %%mm0                     \n\t" // 2L4 - 5L5 + 5L6
 997                 "psubw %%mm3, %%mm1                     \n\t" // 2H4 - 5H5 + 5H6
 998
 999                 "movq (%0, %1, 4), %%mm2                \n\t"
1000                 "movq %%mm2, %%mm3                      \n\t"
1001                 "punpcklbw %%mm7, %%mm2                 \n\t" // L7
1002                 "punpckhbw %%mm7, %%mm3                 \n\t" // H7
1003
1004                 "paddw %%mm2, %%mm2                     \n\t" // 2L7
1005                 "paddw %%mm3, %%mm3                     \n\t" // 2H7
1006                 "psubw %%mm2, %%mm0                     \n\t" // 2L4 - 5L5 + 5L6 - 2L7
1007                 "psubw %%mm3, %%mm1                     \n\t" // 2H4 - 5H5 + 5H6 - 2H7
1008
1009                 "movq (%%"REG_c"), %%mm2                \n\t" // 2L0 - 5L1 + 5L2 - 2L3
1010                 "movq 8(%%"REG_c"), %%mm3               \n\t" // 2H0 - 5H1 + 5H2 - 2H3
1011
1012 #ifdef HAVE_MMX2
1013                 "movq %%mm7, %%mm6                      \n\t" // 0
1014                 "psubw %%mm0, %%mm6                     \n\t"
1015                 "pmaxsw %%mm6, %%mm0                    \n\t" // |2L4 - 5L5 + 5L6 - 2L7|
1016                 "movq %%mm7, %%mm6                      \n\t" // 0
1017                 "psubw %%mm1, %%mm6                     \n\t"
1018                 "pmaxsw %%mm6, %%mm1                    \n\t" // |2H4 - 5H5 + 5H6 - 2H7|
1019                 "movq %%mm7, %%mm6                      \n\t" // 0
1020                 "psubw %%mm2, %%mm6                     \n\t"
1021                 "pmaxsw %%mm6, %%mm2                    \n\t" // |2L0 - 5L1 + 5L2 - 2L3|
1022                 "movq %%mm7, %%mm6                      \n\t" // 0
1023                 "psubw %%mm3, %%mm6                     \n\t"
1024                 "pmaxsw %%mm6, %%mm3                    \n\t" // |2H0 - 5H1 + 5H2 - 2H3|
1025 #else
1026                 "movq %%mm7, %%mm6                      \n\t" // 0
1027                 "pcmpgtw %%mm0, %%mm6                   \n\t"
1028                 "pxor %%mm6, %%mm0                      \n\t"
1029                 "psubw %%mm6, %%mm0                     \n\t" // |2L4 - 5L5 + 5L6 - 2L7|
1030                 "movq %%mm7, %%mm6                      \n\t" // 0
1031                 "pcmpgtw %%mm1, %%mm6                   \n\t"
1032                 "pxor %%mm6, %%mm1                      \n\t"
1033                 "psubw %%mm6, %%mm1                     \n\t" // |2H4 - 5H5 + 5H6 - 2H7|
1034                 "movq %%mm7, %%mm6                      \n\t" // 0
1035                 "pcmpgtw %%mm2, %%mm6                   \n\t"
1036                 "pxor %%mm6, %%mm2                      \n\t"
1037                 "psubw %%mm6, %%mm2                     \n\t" // |2L0 - 5L1 + 5L2 - 2L3|
1038                 "movq %%mm7, %%mm6                      \n\t" // 0
1039                 "pcmpgtw %%mm3, %%mm6                   \n\t"
1040                 "pxor %%mm6, %%mm3                      \n\t"
1041                 "psubw %%mm6, %%mm3                     \n\t" // |2H0 - 5H1 + 5H2 - 2H3|
1042 #endif
1043
1044 #ifdef HAVE_MMX2
1045                 "pminsw %%mm2, %%mm0                    \n\t"
1046                 "pminsw %%mm3, %%mm1                    \n\t"
1047 #else
1048                 "movq %%mm0, %%mm6                      \n\t"
1049                 "psubusw %%mm2, %%mm6                   \n\t"
1050                 "psubw %%mm6, %%mm0                     \n\t"
1051                 "movq %%mm1, %%mm6                      \n\t"
1052                 "psubusw %%mm3, %%mm6                   \n\t"
1053                 "psubw %%mm6, %%mm1                     \n\t"
1054 #endif
1055
1056                 "movd %2, %%mm2                         \n\t" // QP
1057                 "punpcklbw %%mm7, %%mm2                 \n\t"
1058
1059                 "movq %%mm7, %%mm6                      \n\t" // 0
1060                 "pcmpgtw %%mm4, %%mm6                   \n\t" // sign(2L2 - 5L3 + 5L4 - 2L5)
1061                 "pxor %%mm6, %%mm4                      \n\t"
1062                 "psubw %%mm6, %%mm4                     \n\t" // |2L2 - 5L3 + 5L4 - 2L5|
1063                 "pcmpgtw %%mm5, %%mm7                   \n\t" // sign(2H2 - 5H3 + 5H4 - 2H5)
1064                 "pxor %%mm7, %%mm5                      \n\t"
1065                 "psubw %%mm7, %%mm5                     \n\t" // |2H2 - 5H3 + 5H4 - 2H5|
1066 // 100 opcodes
1067                 "psllw $3, %%mm2                        \n\t" // 8QP
1068                 "movq %%mm2, %%mm3                      \n\t" // 8QP
1069                 "pcmpgtw %%mm4, %%mm2                   \n\t"
1070                 "pcmpgtw %%mm5, %%mm3                   \n\t"
1071                 "pand %%mm2, %%mm4                      \n\t"
1072                 "pand %%mm3, %%mm5                      \n\t"
1073
1074
1075                 "psubusw %%mm0, %%mm4                   \n\t" // hd
1076                 "psubusw %%mm1, %%mm5                   \n\t" // ld
1077
1078
1079                 "movq "MANGLE(w05)", %%mm2              \n\t" // 5
1080                 "pmullw %%mm2, %%mm4                    \n\t"
1081                 "pmullw %%mm2, %%mm5                    \n\t"
1082                 "movq "MANGLE(w20)", %%mm2              \n\t" // 32
1083                 "paddw %%mm2, %%mm4                     \n\t"
1084                 "paddw %%mm2, %%mm5                     \n\t"
1085                 "psrlw $6, %%mm4                        \n\t"
1086                 "psrlw $6, %%mm5                        \n\t"
1087
1088                 "movq 16(%%"REG_c"), %%mm0              \n\t" // L3 - L4
1089                 "movq 24(%%"REG_c"), %%mm1              \n\t" // H3 - H4
1090
1091                 "pxor %%mm2, %%mm2                      \n\t"
1092                 "pxor %%mm3, %%mm3                      \n\t"
1093
1094                 "pcmpgtw %%mm0, %%mm2                   \n\t" // sign (L3-L4)
1095                 "pcmpgtw %%mm1, %%mm3                   \n\t" // sign (H3-H4)
1096                 "pxor %%mm2, %%mm0                      \n\t"
1097                 "pxor %%mm3, %%mm1                      \n\t"
1098                 "psubw %%mm2, %%mm0                     \n\t" // |L3-L4|
1099                 "psubw %%mm3, %%mm1                     \n\t" // |H3-H4|
1100                 "psrlw $1, %%mm0                        \n\t" // |L3 - L4|/2
1101                 "psrlw $1, %%mm1                        \n\t" // |H3 - H4|/2
1102
1103                 "pxor %%mm6, %%mm2                      \n\t"
1104                 "pxor %%mm7, %%mm3                      \n\t"
1105                 "pand %%mm2, %%mm4                      \n\t"
1106                 "pand %%mm3, %%mm5                      \n\t"
1107
1108 #ifdef HAVE_MMX2
1109                 "pminsw %%mm0, %%mm4                    \n\t"
1110                 "pminsw %%mm1, %%mm5                    \n\t"
1111 #else
1112                 "movq %%mm4, %%mm2                      \n\t"
1113                 "psubusw %%mm0, %%mm2                   \n\t"
1114                 "psubw %%mm2, %%mm4                     \n\t"
1115                 "movq %%mm5, %%mm2                      \n\t"
1116                 "psubusw %%mm1, %%mm2                   \n\t"
1117                 "psubw %%mm2, %%mm5                     \n\t"
1118 #endif
1119                 "pxor %%mm6, %%mm4                      \n\t"
1120                 "pxor %%mm7, %%mm5                      \n\t"
1121                 "psubw %%mm6, %%mm4                     \n\t"
1122                 "psubw %%mm7, %%mm5                     \n\t"
1123                 "packsswb %%mm5, %%mm4                  \n\t"
1124                 "movq (%0), %%mm0                       \n\t"
1125                 "paddb   %%mm4, %%mm0                   \n\t"
1126                 "movq %%mm0, (%0)                       \n\t"
1127                 "movq (%0, %1), %%mm0                   \n\t"
1128                 "psubb %%mm4, %%mm0                     \n\t"
1129                 "movq %%mm0, (%0, %1)                   \n\t"
1130
1131                 : "+r" (src)
1132                 : "r" ((long)stride), "m" (c->pQPb)
1133                 : "%"REG_a, "%"REG_c
1134         );
1135 #else //defined (HAVE_MMX2) || defined (HAVE_3DNOW)
1136         const int l1= stride;
1137         const int l2= stride + l1;
1138         const int l3= stride + l2;
1139         const int l4= stride + l3;
1140         const int l5= stride + l4;
1141         const int l6= stride + l5;
1142         const int l7= stride + l6;
1143         const int l8= stride + l7;
1144 //        const int l9= stride + l8;
1145         int x;
1146         src+= stride*3;
1147         for(x=0; x<BLOCK_SIZE; x++)
1148         {
1149                 const int middleEnergy= 5*(src[l5] - src[l4]) + 2*(src[l3] - src[l6]);
1150                 if(ABS(middleEnergy) < 8*c->QP)
1151                 {
1152                         const int q=(src[l4] - src[l5])/2;
1153                         const int leftEnergy=  5*(src[l3] - src[l2]) + 2*(src[l1] - src[l4]);
1154                         const int rightEnergy= 5*(src[l7] - src[l6]) + 2*(src[l5] - src[l8]);
1155
1156                         int d= ABS(middleEnergy) - MIN( ABS(leftEnergy), ABS(rightEnergy) );
1157                         d= MAX(d, 0);
1158
1159                         d= (5*d + 32) >> 6;
1160                         d*= SIGN(-middleEnergy);
1161
1162                         if(q>0)
1163                         {
1164                                 d= d<0 ? 0 : d;
1165                                 d= d>q ? q : d;
1166                         }
1167                         else
1168                         {
1169                                 d= d>0 ? 0 : d;
1170                                 d= d<q ? q : d;
1171                         }
1172
1173                         src[l4]-= d;
1174                         src[l5]+= d;
1175                 }
1176                 src++;
1177         }
1178 #endif //defined (HAVE_MMX2) || defined (HAVE_3DNOW)
1179 }
1180 #endif //HAVE_ALTIVEC
1181
1182 #ifndef HAVE_ALTIVEC
1183 static inline void RENAME(dering)(uint8_t src[], int stride, PPContext *c)
1184 {
1185 #if defined (HAVE_MMX2) || defined (HAVE_3DNOW)
1186         asm volatile(
1187                 "pxor %%mm6, %%mm6                      \n\t"
1188                 "pcmpeqb %%mm7, %%mm7                   \n\t"
1189                 "movq %2, %%mm0                         \n\t"
1190                 "punpcklbw %%mm6, %%mm0                 \n\t"
1191                 "psrlw $1, %%mm0                        \n\t"
1192                 "psubw %%mm7, %%mm0                     \n\t"
1193                 "packuswb %%mm0, %%mm0                  \n\t"
1194                 "movq %%mm0, %3                         \n\t"
1195
1196                 "lea (%0, %1), %%"REG_a"                \n\t"
1197                 "lea (%%"REG_a", %1, 4), %%"REG_d"      \n\t"
1198
1199 //        0        1        2        3        4        5        6        7        8        9
1200 //        %0        eax        eax+%1        eax+2%1        %0+4%1        edx        edx+%1        edx+2%1        %0+8%1        edx+4%1
1201
1202 #undef FIND_MIN_MAX
1203 #ifdef HAVE_MMX2
1204 #define REAL_FIND_MIN_MAX(addr)\
1205                 "movq " #addr ", %%mm0                  \n\t"\
1206                 "pminub %%mm0, %%mm7                    \n\t"\
1207                 "pmaxub %%mm0, %%mm6                    \n\t"
1208 #else
1209 #define REAL_FIND_MIN_MAX(addr)\
1210                 "movq " #addr ", %%mm0                  \n\t"\
1211                 "movq %%mm7, %%mm1                      \n\t"\
1212                 "psubusb %%mm0, %%mm6                   \n\t"\
1213                 "paddb %%mm0, %%mm6                     \n\t"\
1214                 "psubusb %%mm0, %%mm1                   \n\t"\
1215                 "psubb %%mm1, %%mm7                     \n\t"
1216 #endif
1217 #define FIND_MIN_MAX(addr)  REAL_FIND_MIN_MAX(addr)
1218
1219 FIND_MIN_MAX((%%REGa))
1220 FIND_MIN_MAX((%%REGa, %1))
1221 FIND_MIN_MAX((%%REGa, %1, 2))
1222 FIND_MIN_MAX((%0, %1, 4))
1223 FIND_MIN_MAX((%%REGd))
1224 FIND_MIN_MAX((%%REGd, %1))
1225 FIND_MIN_MAX((%%REGd, %1, 2))
1226 FIND_MIN_MAX((%0, %1, 8))
1227
1228                 "movq %%mm7, %%mm4                      \n\t"
1229                 "psrlq $8, %%mm7                        \n\t"
1230 #ifdef HAVE_MMX2
1231                 "pminub %%mm4, %%mm7                    \n\t" // min of pixels
1232                 "pshufw $0xF9, %%mm7, %%mm4             \n\t"
1233                 "pminub %%mm4, %%mm7                    \n\t" // min of pixels
1234                 "pshufw $0xFE, %%mm7, %%mm4             \n\t"
1235                 "pminub %%mm4, %%mm7                    \n\t"
1236 #else
1237                 "movq %%mm7, %%mm1                      \n\t"
1238                 "psubusb %%mm4, %%mm1                   \n\t"
1239                 "psubb %%mm1, %%mm7                     \n\t"
1240                 "movq %%mm7, %%mm4                      \n\t"
1241                 "psrlq $16, %%mm7                       \n\t"
1242                 "movq %%mm7, %%mm1                      \n\t"
1243                 "psubusb %%mm4, %%mm1                   \n\t"
1244                 "psubb %%mm1, %%mm7                     \n\t"
1245                 "movq %%mm7, %%mm4                      \n\t"
1246                 "psrlq $32, %%mm7                       \n\t"
1247                 "movq %%mm7, %%mm1                      \n\t"
1248                 "psubusb %%mm4, %%mm1                   \n\t"
1249                 "psubb %%mm1, %%mm7                     \n\t"
1250 #endif
1251
1252
1253                 "movq %%mm6, %%mm4                      \n\t"
1254                 "psrlq $8, %%mm6                        \n\t"
1255 #ifdef HAVE_MMX2
1256                 "pmaxub %%mm4, %%mm6                    \n\t" // max of pixels
1257                 "pshufw $0xF9, %%mm6, %%mm4             \n\t"
1258                 "pmaxub %%mm4, %%mm6                    \n\t"
1259                 "pshufw $0xFE, %%mm6, %%mm4             \n\t"
1260                 "pmaxub %%mm4, %%mm6                    \n\t"
1261 #else
1262                 "psubusb %%mm4, %%mm6                   \n\t"
1263                 "paddb %%mm4, %%mm6                     \n\t"
1264                 "movq %%mm6, %%mm4                      \n\t"
1265                 "psrlq $16, %%mm6                       \n\t"
1266                 "psubusb %%mm4, %%mm6                   \n\t"
1267                 "paddb %%mm4, %%mm6                     \n\t"
1268                 "movq %%mm6, %%mm4                      \n\t"
1269                 "psrlq $32, %%mm6                       \n\t"
1270                 "psubusb %%mm4, %%mm6                   \n\t"
1271                 "paddb %%mm4, %%mm6                     \n\t"
1272 #endif
1273                 "movq %%mm6, %%mm0                      \n\t" // max
1274                 "psubb %%mm7, %%mm6                     \n\t" // max - min
1275                 "movd %%mm6, %%ecx                      \n\t"
1276                 "cmpb "MANGLE(deringThreshold)", %%cl   \n\t"
1277                 " jb 1f                                 \n\t"
1278                 "lea -24(%%"REG_SP"), %%"REG_c"         \n\t"
1279                 "and "ALIGN_MASK", %%"REG_c"            \n\t"
1280                 PAVGB(%%mm0, %%mm7)                           // a=(max + min)/2
1281                 "punpcklbw %%mm7, %%mm7                 \n\t"
1282                 "punpcklbw %%mm7, %%mm7                 \n\t"
1283                 "punpcklbw %%mm7, %%mm7                 \n\t"
1284                 "movq %%mm7, (%%"REG_c")                \n\t"
1285
1286                 "movq (%0), %%mm0                       \n\t" // L10
1287                 "movq %%mm0, %%mm1                      \n\t" // L10
1288                 "movq %%mm0, %%mm2                      \n\t" // L10
1289                 "psllq $8, %%mm1                        \n\t"
1290                 "psrlq $8, %%mm2                        \n\t"
1291                 "movd -4(%0), %%mm3                     \n\t"
1292                 "movd 8(%0), %%mm4                      \n\t"
1293                 "psrlq $24, %%mm3                       \n\t"
1294                 "psllq $56, %%mm4                       \n\t"
1295                 "por %%mm3, %%mm1                       \n\t" // L00
1296                 "por %%mm4, %%mm2                       \n\t" // L20
1297                 "movq %%mm1, %%mm3                      \n\t" // L00
1298                 PAVGB(%%mm2, %%mm1)                           // (L20 + L00)/2
1299                 PAVGB(%%mm0, %%mm1)                           // (L20 + L00 + 2L10)/4
1300                 "psubusb %%mm7, %%mm0                   \n\t"
1301                 "psubusb %%mm7, %%mm2                   \n\t"
1302                 "psubusb %%mm7, %%mm3                   \n\t"
1303                 "pcmpeqb "MANGLE(b00)", %%mm0           \n\t" // L10 > a ? 0 : -1
1304                 "pcmpeqb "MANGLE(b00)", %%mm2           \n\t" // L20 > a ? 0 : -1
1305                 "pcmpeqb "MANGLE(b00)", %%mm3           \n\t" // L00 > a ? 0 : -1
1306                 "paddb %%mm2, %%mm0                     \n\t"
1307                 "paddb %%mm3, %%mm0                     \n\t"
1308
1309                 "movq (%%"REG_a"), %%mm2                \n\t" // L11
1310                 "movq %%mm2, %%mm3                      \n\t" // L11
1311                 "movq %%mm2, %%mm4                      \n\t" // L11
1312                 "psllq $8, %%mm3                        \n\t"
1313                 "psrlq $8, %%mm4                        \n\t"
1314                 "movd -4(%%"REG_a"), %%mm5              \n\t"
1315                 "movd 8(%%"REG_a"), %%mm6               \n\t"
1316                 "psrlq $24, %%mm5                       \n\t"
1317                 "psllq $56, %%mm6                       \n\t"
1318                 "por %%mm5, %%mm3                       \n\t" // L01
1319                 "por %%mm6, %%mm4                       \n\t" // L21
1320                 "movq %%mm3, %%mm5                      \n\t" // L01
1321                 PAVGB(%%mm4, %%mm3)                           // (L21 + L01)/2
1322                 PAVGB(%%mm2, %%mm3)                           // (L21 + L01 + 2L11)/4
1323                 "psubusb %%mm7, %%mm2                   \n\t"
1324                 "psubusb %%mm7, %%mm4                   \n\t"
1325                 "psubusb %%mm7, %%mm5                   \n\t"
1326                 "pcmpeqb "MANGLE(b00)", %%mm2           \n\t" // L11 > a ? 0 : -1
1327                 "pcmpeqb "MANGLE(b00)", %%mm4           \n\t" // L21 > a ? 0 : -1
1328                 "pcmpeqb "MANGLE(b00)", %%mm5           \n\t" // L01 > a ? 0 : -1
1329                 "paddb %%mm4, %%mm2                     \n\t"
1330                 "paddb %%mm5, %%mm2                     \n\t"
1331 // 0, 2, 3, 1
1332 #define REAL_DERING_CORE(dst,src,ppsx,psx,sx,pplx,plx,lx,t0,t1) \
1333                 "movq " #src ", " #sx "                 \n\t" /* src[0] */\
1334                 "movq " #sx ", " #lx "                  \n\t" /* src[0] */\
1335                 "movq " #sx ", " #t0 "                  \n\t" /* src[0] */\
1336                 "psllq $8, " #lx "                      \n\t"\
1337                 "psrlq $8, " #t0 "                      \n\t"\
1338                 "movd -4" #src ", " #t1 "               \n\t"\
1339                 "psrlq $24, " #t1 "                     \n\t"\
1340                 "por " #t1 ", " #lx "                   \n\t" /* src[-1] */\
1341                 "movd 8" #src ", " #t1 "                \n\t"\
1342                 "psllq $56, " #t1 "                     \n\t"\
1343                 "por " #t1 ", " #t0 "                   \n\t" /* src[+1] */\
1344                 "movq " #lx ", " #t1 "                  \n\t" /* src[-1] */\
1345                 PAVGB(t0, lx)                                 /* (src[-1] + src[+1])/2 */\
1346                 PAVGB(sx, lx)                                 /* (src[-1] + 2src[0] + src[+1])/4 */\
1347                 PAVGB(lx, pplx)                                     \
1348                 "movq " #lx ", 8(%%"REG_c")             \n\t"\
1349                 "movq (%%"REG_c"), " #lx "              \n\t"\
1350                 "psubusb " #lx ", " #t1 "               \n\t"\
1351                 "psubusb " #lx ", " #t0 "               \n\t"\
1352                 "psubusb " #lx ", " #sx "               \n\t"\
1353                 "movq "MANGLE(b00)", " #lx "            \n\t"\
1354                 "pcmpeqb " #lx ", " #t1 "               \n\t" /* src[-1] > a ? 0 : -1*/\
1355                 "pcmpeqb " #lx ", " #t0 "               \n\t" /* src[+1] > a ? 0 : -1*/\
1356                 "pcmpeqb " #lx ", " #sx "               \n\t" /* src[0]  > a ? 0 : -1*/\
1357                 "paddb " #t1 ", " #t0 "                 \n\t"\
1358                 "paddb " #t0 ", " #sx "                 \n\t"\
1359 \
1360                 PAVGB(plx, pplx)                              /* filtered */\
1361                 "movq " #dst ", " #t0 "                 \n\t" /* dst */\
1362                 "movq " #t0 ", " #t1 "                  \n\t" /* dst */\
1363                 "psubusb %3, " #t0 "                    \n\t"\
1364                 "paddusb %3, " #t1 "                    \n\t"\
1365                 PMAXUB(t0, pplx)\
1366                 PMINUB(t1, pplx, t0)\
1367                 "paddb " #sx ", " #ppsx "               \n\t"\
1368                 "paddb " #psx ", " #ppsx "              \n\t"\
1369                 "#paddb "MANGLE(b02)", " #ppsx "        \n\t"\
1370                 "pand "MANGLE(b08)", " #ppsx "          \n\t"\
1371                 "pcmpeqb " #lx ", " #ppsx "             \n\t"\
1372                 "pand " #ppsx ", " #pplx "              \n\t"\
1373                 "pandn " #dst ", " #ppsx "              \n\t"\
1374                 "por " #pplx ", " #ppsx "               \n\t"\
1375                 "movq " #ppsx ", " #dst "               \n\t"\
1376                 "movq 8(%%"REG_c"), " #lx "             \n\t"
1377
1378 #define DERING_CORE(dst,src,ppsx,psx,sx,pplx,plx,lx,t0,t1) \
1379    REAL_DERING_CORE(dst,src,ppsx,psx,sx,pplx,plx,lx,t0,t1)
1380 /*
1381 0000000
1382 1111111
1383
1384 1111110
1385 1111101
1386 1111100
1387 1111011
1388 1111010
1389 1111001
1390
1391 1111000
1392 1110111
1393
1394 */
1395 //DERING_CORE(dst          ,src            ,ppsx ,psx  ,sx   ,pplx ,plx  ,lx   ,t0   ,t1)
1396 DERING_CORE((%%REGa)       ,(%%REGa, %1)   ,%%mm0,%%mm2,%%mm4,%%mm1,%%mm3,%%mm5,%%mm6,%%mm7)
1397 DERING_CORE((%%REGa, %1)   ,(%%REGa, %1, 2),%%mm2,%%mm4,%%mm0,%%mm3,%%mm5,%%mm1,%%mm6,%%mm7)
1398 DERING_CORE((%%REGa, %1, 2),(%0, %1, 4)    ,%%mm4,%%mm0,%%mm2,%%mm5,%%mm1,%%mm3,%%mm6,%%mm7)
1399 DERING_CORE((%0, %1, 4)    ,(%%REGd)       ,%%mm0,%%mm2,%%mm4,%%mm1,%%mm3,%%mm5,%%mm6,%%mm7)
1400 DERING_CORE((%%REGd)       ,(%%REGd, %1)   ,%%mm2,%%mm4,%%mm0,%%mm3,%%mm5,%%mm1,%%mm6,%%mm7)
1401 DERING_CORE((%%REGd, %1)   ,(%%REGd, %1, 2),%%mm4,%%mm0,%%mm2,%%mm5,%%mm1,%%mm3,%%mm6,%%mm7)
1402 DERING_CORE((%%REGd, %1, 2),(%0, %1, 8)    ,%%mm0,%%mm2,%%mm4,%%mm1,%%mm3,%%mm5,%%mm6,%%mm7)
1403 DERING_CORE((%0, %1, 8)    ,(%%REGd, %1, 4),%%mm2,%%mm4,%%mm0,%%mm3,%%mm5,%%mm1,%%mm6,%%mm7)
1404
1405                 "1:                        \n\t"
1406                 : : "r" (src), "r" ((long)stride), "m" (c->pQPb), "m"(c->pQPb2)
1407                 : "%"REG_a, "%"REG_d, "%"REG_c
1408         );
1409 #else //defined (HAVE_MMX2) || defined (HAVE_3DNOW)
1410         int y;
1411         int min=255;
1412         int max=0;
1413         int avg;
1414         uint8_t *p;
1415         int s[10];
1416         const int QP2= c->QP/2 + 1;
1417
1418         for(y=1; y<9; y++)
1419         {
1420                 int x;
1421                 p= src + stride*y;
1422                 for(x=1; x<9; x++)
1423                 {
1424                         p++;
1425                         if(*p > max) max= *p;
1426                         if(*p < min) min= *p;
1427                 }
1428         }
1429         avg= (min + max + 1)>>1;
1430
1431         if(max - min <deringThreshold) return;
1432
1433         for(y=0; y<10; y++)
1434         {
1435                 int t = 0;
1436
1437                 if(src[stride*y + 0] > avg) t+= 1;
1438                 if(src[stride*y + 1] > avg) t+= 2;
1439                 if(src[stride*y + 2] > avg) t+= 4;
1440                 if(src[stride*y + 3] > avg) t+= 8;
1441                 if(src[stride*y + 4] > avg) t+= 16;
1442                 if(src[stride*y + 5] > avg) t+= 32;
1443                 if(src[stride*y + 6] > avg) t+= 64;
1444                 if(src[stride*y + 7] > avg) t+= 128;
1445                 if(src[stride*y + 8] > avg) t+= 256;
1446                 if(src[stride*y + 9] > avg) t+= 512;
1447
1448                 t |= (~t)<<16;
1449                 t &= (t<<1) & (t>>1);
1450                 s[y] = t;
1451         }
1452
1453         for(y=1; y<9; y++)
1454         {
1455                 int t = s[y-1] & s[y] & s[y+1];
1456                 t|= t>>16;
1457                 s[y-1]= t;
1458         }
1459
1460         for(y=1; y<9; y++)
1461         {
1462                 int x;
1463                 int t = s[y-1];
1464
1465                 p= src + stride*y;
1466                 for(x=1; x<9; x++)
1467                 {
1468                         p++;
1469                         if(t & (1<<x))
1470                         {
1471                                 int f= (*(p-stride-1)) + 2*(*(p-stride)) + (*(p-stride+1))
1472                                       +2*(*(p     -1)) + 4*(*p         ) + 2*(*(p     +1))
1473                                       +(*(p+stride-1)) + 2*(*(p+stride)) + (*(p+stride+1));
1474                                 f= (f + 8)>>4;
1475
1476 #ifdef DEBUG_DERING_THRESHOLD
1477                                 asm volatile("emms\n\t":);
1478                                 {
1479                                 static long long numPixels=0;
1480                                 if(x!=1 && x!=8 && y!=1 && y!=8) numPixels++;
1481 //                                if((max-min)<20 || (max-min)*QP<200)
1482 //                                if((max-min)*QP < 500)
1483 //                                if(max-min<QP/2)
1484                                 if(max-min < 20)
1485                                 {
1486                                         static int numSkiped=0;
1487                                         static int errorSum=0;
1488                                         static int worstQP=0;
1489                                         static int worstRange=0;
1490                                         static int worstDiff=0;
1491                                         int diff= (f - *p);
1492                                         int absDiff= ABS(diff);
1493                                         int error= diff*diff;
1494
1495                                         if(x==1 || x==8 || y==1 || y==8) continue;
1496
1497                                         numSkiped++;
1498                                         if(absDiff > worstDiff)
1499                                         {
1500                                                 worstDiff= absDiff;
1501                                                 worstQP= QP;
1502                                                 worstRange= max-min;
1503                                         }
1504                                         errorSum+= error;
1505
1506                                         if(1024LL*1024LL*1024LL % numSkiped == 0)
1507                                         {
1508                                                 printf( "sum:%1.3f, skip:%d, wQP:%d, "
1509                                                         "wRange:%d, wDiff:%d, relSkip:%1.3f\n",
1510                                                         (float)errorSum/numSkiped, numSkiped, worstQP, worstRange,
1511                                                         worstDiff, (float)numSkiped/numPixels);
1512                                         }
1513                                 }
1514                                 }
1515 #endif
1516                                 if     (*p + QP2 < f) *p= *p + QP2;
1517                                 else if(*p - QP2 > f) *p= *p - QP2;
1518                                 else *p=f;
1519                         }
1520                 }
1521         }
1522 #ifdef DEBUG_DERING_THRESHOLD
1523         if(max-min < 20)
1524         {
1525                 for(y=1; y<9; y++)
1526                 {
1527                         int x;
1528                         int t = 0;
1529                         p= src + stride*y;
1530                         for(x=1; x<9; x++)
1531                         {
1532                                 p++;
1533                                 *p = MIN(*p + 20, 255);
1534                         }
1535                 }
1536 //                src[0] = src[7]=src[stride*7]=src[stride*7 + 7]=255;
1537         }
1538 #endif
1539 #endif //defined (HAVE_MMX2) || defined (HAVE_3DNOW)
1540 }
1541 #endif //HAVE_ALTIVEC
1542
1543 /**
1544  * Deinterlaces the given block by linearly interpolating every second line.
1545  * will be called for every 8x8 block and can read & write from line 4-15
1546  * lines 0-3 have been passed through the deblock / dering filters allready, but can be read too
1547  * lines 4-12 will be read into the deblocking filter and should be deinterlaced
1548  */
1549 static inline void RENAME(deInterlaceInterpolateLinear)(uint8_t src[], int stride)
1550 {
1551 #if defined (HAVE_MMX2) || defined (HAVE_3DNOW)
1552         src+= 4*stride;
1553         asm volatile(
1554                 "lea (%0, %1), %%"REG_a"                \n\t"
1555                 "lea (%%"REG_a", %1, 4), %%"REG_c"      \n\t"
1556 //      0       1       2       3       4       5       6       7       8       9
1557 //      %0      eax     eax+%1  eax+2%1 %0+4%1  ecx     ecx+%1  ecx+2%1 %0+8%1  ecx+4%1
1558
1559                 "movq (%0), %%mm0                       \n\t"
1560                 "movq (%%"REG_a", %1), %%mm1            \n\t"
1561                 PAVGB(%%mm1, %%mm0)
1562                 "movq %%mm0, (%%"REG_a")                \n\t"
1563                 "movq (%0, %1, 4), %%mm0                \n\t"
1564                 PAVGB(%%mm0, %%mm1)
1565                 "movq %%mm1, (%%"REG_a", %1, 2)         \n\t"
1566                 "movq (%%"REG_c", %1), %%mm1            \n\t"
1567                 PAVGB(%%mm1, %%mm0)
1568                 "movq %%mm0, (%%"REG_c")                \n\t"
1569                 "movq (%0, %1, 8), %%mm0                \n\t"
1570                 PAVGB(%%mm0, %%mm1)
1571                 "movq %%mm1, (%%"REG_c", %1, 2)         \n\t"
1572
1573                 : : "r" (src), "r" ((long)stride)
1574                 : "%"REG_a, "%"REG_c
1575         );
1576 #else
1577         int a, b, x;
1578         src+= 4*stride;
1579
1580         for(x=0; x<2; x++){
1581                 a= *(uint32_t*)&src[stride*0];
1582                 b= *(uint32_t*)&src[stride*2];
1583                 *(uint32_t*)&src[stride*1]= (a|b) - (((a^b)&0xFEFEFEFEUL)>>1);
1584                 a= *(uint32_t*)&src[stride*4];
1585                 *(uint32_t*)&src[stride*3]= (a|b) - (((a^b)&0xFEFEFEFEUL)>>1);
1586                 b= *(uint32_t*)&src[stride*6];
1587                 *(uint32_t*)&src[stride*5]= (a|b) - (((a^b)&0xFEFEFEFEUL)>>1);
1588                 a= *(uint32_t*)&src[stride*8];
1589                 *(uint32_t*)&src[stride*7]= (a|b) - (((a^b)&0xFEFEFEFEUL)>>1);
1590                 src += 4;
1591         }
1592 #endif
1593 }
1594
1595 /**
1596  * Deinterlaces the given block by cubic interpolating every second line.
1597  * will be called for every 8x8 block and can read & write from line 4-15
1598  * lines 0-3 have been passed through the deblock / dering filters allready, but can be read too
1599  * lines 4-12 will be read into the deblocking filter and should be deinterlaced
1600  * this filter will read lines 3-15 and write 7-13
1601  */
1602 static inline void RENAME(deInterlaceInterpolateCubic)(uint8_t src[], int stride)
1603 {
1604 #if defined (HAVE_MMX2) || defined (HAVE_3DNOW)
1605         src+= stride*3;
1606         asm volatile(
1607                 "lea (%0, %1), %%"REG_a"                \n\t"
1608                 "lea (%%"REG_a", %1, 4), %%"REG_d"      \n\t"
1609                 "lea (%%"REG_d", %1, 4), %%"REG_c"      \n\t"
1610                 "add %1, %%"REG_c"                      \n\t"
1611                 "pxor %%mm7, %%mm7                      \n\t"
1612 //      0       1       2       3       4       5       6       7       8       9       10
1613 //      %0      eax     eax+%1  eax+2%1 %0+4%1  edx     edx+%1  edx+2%1 %0+8%1  edx+4%1 ecx
1614
1615 #define REAL_DEINT_CUBIC(a,b,c,d,e)\
1616                 "movq " #a ", %%mm0                     \n\t"\
1617                 "movq " #b ", %%mm1                     \n\t"\
1618                 "movq " #d ", %%mm2                     \n\t"\
1619                 "movq " #e ", %%mm3                     \n\t"\
1620                 PAVGB(%%mm2, %%mm1)                             /* (b+d) /2 */\
1621                 PAVGB(%%mm3, %%mm0)                             /* a(a+e) /2 */\
1622                 "movq %%mm0, %%mm2                      \n\t"\
1623                 "punpcklbw %%mm7, %%mm0                 \n\t"\
1624                 "punpckhbw %%mm7, %%mm2                 \n\t"\
1625                 "movq %%mm1, %%mm3                      \n\t"\
1626                 "punpcklbw %%mm7, %%mm1                 \n\t"\
1627                 "punpckhbw %%mm7, %%mm3                 \n\t"\
1628                 "psubw %%mm1, %%mm0                     \n\t"   /* L(a+e - (b+d))/2 */\
1629                 "psubw %%mm3, %%mm2                     \n\t"   /* H(a+e - (b+d))/2 */\
1630                 "psraw $3, %%mm0                        \n\t"   /* L(a+e - (b+d))/16 */\
1631                 "psraw $3, %%mm2                        \n\t"   /* H(a+e - (b+d))/16 */\
1632                 "psubw %%mm0, %%mm1                     \n\t"   /* L(9b + 9d - a - e)/16 */\
1633                 "psubw %%mm2, %%mm3                     \n\t"   /* H(9b + 9d - a - e)/16 */\
1634                 "packuswb %%mm3, %%mm1                  \n\t"\
1635                 "movq %%mm1, " #c "                     \n\t"
1636 #define DEINT_CUBIC(a,b,c,d,e)  REAL_DEINT_CUBIC(a,b,c,d,e)
1637
1638 DEINT_CUBIC((%0)        , (%%REGa, %1), (%%REGa, %1, 2), (%0, %1, 4) , (%%REGd, %1))
1639 DEINT_CUBIC((%%REGa, %1), (%0, %1, 4) , (%%REGd)       , (%%REGd, %1), (%0, %1, 8))
1640 DEINT_CUBIC((%0, %1, 4) , (%%REGd, %1), (%%REGd, %1, 2), (%0, %1, 8) , (%%REGc))
1641 DEINT_CUBIC((%%REGd, %1), (%0, %1, 8) , (%%REGd, %1, 4), (%%REGc)    , (%%REGc, %1, 2))
1642
1643                 : : "r" (src), "r" ((long)stride)
1644                 : "%"REG_a, "%"REG_d, "%"REG_c
1645         );
1646 #else //defined (HAVE_MMX2) || defined (HAVE_3DNOW)
1647         int x;
1648         src+= stride*3;
1649         for(x=0; x<8; x++)
1650         {
1651                 src[stride*3] = CLIP((-src[0]        + 9*src[stride*2] + 9*src[stride*4] - src[stride*6])>>4);
1652                 src[stride*5] = CLIP((-src[stride*2] + 9*src[stride*4] + 9*src[stride*6] - src[stride*8])>>4);
1653                 src[stride*7] = CLIP((-src[stride*4] + 9*src[stride*6] + 9*src[stride*8] - src[stride*10])>>4);
1654                 src[stride*9] = CLIP((-src[stride*6] + 9*src[stride*8] + 9*src[stride*10] - src[stride*12])>>4);
1655                 src++;
1656         }
1657 #endif //defined (HAVE_MMX2) || defined (HAVE_3DNOW)
1658 }
1659
1660 /**
1661  * Deinterlaces the given block by filtering every second line with a (-1 4 2 4 -1) filter.
1662  * will be called for every 8x8 block and can read & write from line 4-15
1663  * lines 0-3 have been passed through the deblock / dering filters allready, but can be read too
1664  * lines 4-12 will be read into the deblocking filter and should be deinterlaced
1665  * this filter will read lines 4-13 and write 5-11
1666  */
1667 static inline void RENAME(deInterlaceFF)(uint8_t src[], int stride, uint8_t *tmp)
1668 {
1669 #if defined (HAVE_MMX2) || defined (HAVE_3DNOW)
1670         src+= stride*4;
1671         asm volatile(
1672                 "lea (%0, %1), %%"REG_a"                \n\t"
1673                 "lea (%%"REG_a", %1, 4), %%"REG_d"      \n\t"
1674                 "pxor %%mm7, %%mm7                      \n\t"
1675                 "movq (%2), %%mm0                       \n\t"
1676 //      0       1       2       3       4       5       6       7       8       9       10
1677 //      %0      eax     eax+%1  eax+2%1 %0+4%1  edx     edx+%1  edx+2%1 %0+8%1  edx+4%1 ecx
1678
1679 #define REAL_DEINT_FF(a,b,c,d)\
1680                 "movq " #a ", %%mm1                     \n\t"\
1681                 "movq " #b ", %%mm2                     \n\t"\
1682                 "movq " #c ", %%mm3                     \n\t"\
1683                 "movq " #d ", %%mm4                     \n\t"\
1684                 PAVGB(%%mm3, %%mm1)                          \
1685                 PAVGB(%%mm4, %%mm0)                          \
1686                 "movq %%mm0, %%mm3                      \n\t"\
1687                 "punpcklbw %%mm7, %%mm0                 \n\t"\
1688                 "punpckhbw %%mm7, %%mm3                 \n\t"\
1689                 "movq %%mm1, %%mm4                      \n\t"\
1690                 "punpcklbw %%mm7, %%mm1                 \n\t"\
1691                 "punpckhbw %%mm7, %%mm4                 \n\t"\
1692                 "psllw $2, %%mm1                        \n\t"\
1693                 "psllw $2, %%mm4                        \n\t"\
1694                 "psubw %%mm0, %%mm1                     \n\t"\
1695                 "psubw %%mm3, %%mm4                     \n\t"\
1696                 "movq %%mm2, %%mm5                      \n\t"\
1697                 "movq %%mm2, %%mm0                      \n\t"\
1698                 "punpcklbw %%mm7, %%mm2                 \n\t"\
1699                 "punpckhbw %%mm7, %%mm5                 \n\t"\
1700                 "paddw %%mm2, %%mm1                     \n\t"\
1701                 "paddw %%mm5, %%mm4                     \n\t"\
1702                 "psraw $2, %%mm1                        \n\t"\
1703                 "psraw $2, %%mm4                        \n\t"\
1704                 "packuswb %%mm4, %%mm1                  \n\t"\
1705                 "movq %%mm1, " #b "                     \n\t"\
1706
1707 #define DEINT_FF(a,b,c,d)  REAL_DEINT_FF(a,b,c,d)
1708
1709 DEINT_FF((%0)        , (%%REGa)       , (%%REGa, %1), (%%REGa, %1, 2))
1710 DEINT_FF((%%REGa, %1), (%%REGa, %1, 2), (%0, %1, 4) , (%%REGd)       )
1711 DEINT_FF((%0, %1, 4) , (%%REGd)       , (%%REGd, %1), (%%REGd, %1, 2))
1712 DEINT_FF((%%REGd, %1), (%%REGd, %1, 2), (%0, %1, 8) , (%%REGd, %1, 4))
1713
1714                 "movq %%mm0, (%2)                       \n\t"
1715                 : : "r" (src), "r" ((long)stride), "r"(tmp)
1716                 : "%"REG_a, "%"REG_d
1717         );
1718 #else //defined (HAVE_MMX2) || defined (HAVE_3DNOW)
1719         int x;
1720         src+= stride*4;
1721         for(x=0; x<8; x++)
1722         {
1723                 int t1= tmp[x];
1724                 int t2= src[stride*1];
1725
1726                 src[stride*1]= CLIP((-t1 + 4*src[stride*0] + 2*t2 + 4*src[stride*2] - src[stride*3] + 4)>>3);
1727                 t1= src[stride*4];
1728                 src[stride*3]= CLIP((-t2 + 4*src[stride*2] + 2*t1 + 4*src[stride*4] - src[stride*5] + 4)>>3);
1729                 t2= src[stride*6];
1730                 src[stride*5]= CLIP((-t1 + 4*src[stride*4] + 2*t2 + 4*src[stride*6] - src[stride*7] + 4)>>3);
1731                 t1= src[stride*8];
1732                 src[stride*7]= CLIP((-t2 + 4*src[stride*6] + 2*t1 + 4*src[stride*8] - src[stride*9] + 4)>>3);
1733                 tmp[x]= t1;
1734
1735                 src++;
1736         }
1737 #endif //defined (HAVE_MMX2) || defined (HAVE_3DNOW)
1738 }
1739
1740 /**
1741  * Deinterlaces the given block by filtering every line with a (-1 2 6 2 -1) filter.
1742  * will be called for every 8x8 block and can read & write from line 4-15
1743  * lines 0-3 have been passed through the deblock / dering filters allready, but can be read too
1744  * lines 4-12 will be read into the deblocking filter and should be deinterlaced
1745  * this filter will read lines 4-13 and write 4-11
1746  */
1747 static inline void RENAME(deInterlaceL5)(uint8_t src[], int stride, uint8_t *tmp, uint8_t *tmp2)
1748 {
1749 #if defined (HAVE_MMX2) || defined (HAVE_3DNOW)
1750         src+= stride*4;
1751         asm volatile(
1752                 "lea (%0, %1), %%"REG_a"                \n\t"
1753                 "lea (%%"REG_a", %1, 4), %%"REG_d"      \n\t"
1754                 "pxor %%mm7, %%mm7                      \n\t"
1755                 "movq (%2), %%mm0                       \n\t"
1756                 "movq (%3), %%mm1                       \n\t"
1757 //      0       1       2       3       4       5       6       7       8       9       10
1758 //      %0      eax     eax+%1  eax+2%1 %0+4%1  edx     edx+%1  edx+2%1 %0+8%1  edx+4%1 ecx
1759
1760 #define REAL_DEINT_L5(t1,t2,a,b,c)\
1761                 "movq " #a ", %%mm2                     \n\t"\
1762                 "movq " #b ", %%mm3                     \n\t"\
1763                 "movq " #c ", %%mm4                     \n\t"\
1764                 PAVGB(t2, %%mm3)                             \
1765                 PAVGB(t1, %%mm4)                             \
1766                 "movq %%mm2, %%mm5                      \n\t"\
1767                 "movq %%mm2, " #t1 "                    \n\t"\
1768                 "punpcklbw %%mm7, %%mm2                 \n\t"\
1769                 "punpckhbw %%mm7, %%mm5                 \n\t"\
1770                 "movq %%mm2, %%mm6                      \n\t"\
1771                 "paddw %%mm2, %%mm2                     \n\t"\
1772                 "paddw %%mm6, %%mm2                     \n\t"\
1773                 "movq %%mm5, %%mm6                      \n\t"\
1774                 "paddw %%mm5, %%mm5                     \n\t"\
1775                 "paddw %%mm6, %%mm5                     \n\t"\
1776                 "movq %%mm3, %%mm6                      \n\t"\
1777                 "punpcklbw %%mm7, %%mm3                 \n\t"\
1778                 "punpckhbw %%mm7, %%mm6                 \n\t"\
1779                 "paddw %%mm3, %%mm3                     \n\t"\
1780                 "paddw %%mm6, %%mm6                     \n\t"\
1781                 "paddw %%mm3, %%mm2                     \n\t"\
1782                 "paddw %%mm6, %%mm5                     \n\t"\
1783                 "movq %%mm4, %%mm6                      \n\t"\
1784                 "punpcklbw %%mm7, %%mm4                 \n\t"\
1785                 "punpckhbw %%mm7, %%mm6                 \n\t"\
1786                 "psubw %%mm4, %%mm2                     \n\t"\
1787                 "psubw %%mm6, %%mm5                     \n\t"\
1788                 "psraw $2, %%mm2                        \n\t"\
1789                 "psraw $2, %%mm5                        \n\t"\
1790                 "packuswb %%mm5, %%mm2                  \n\t"\
1791                 "movq %%mm2, " #a "                     \n\t"\
1792
1793 #define DEINT_L5(t1,t2,a,b,c)  REAL_DEINT_L5(t1,t2,a,b,c)
1794
1795 DEINT_L5(%%mm0, %%mm1, (%0)           , (%%REGa)       , (%%REGa, %1)   )
1796 DEINT_L5(%%mm1, %%mm0, (%%REGa)       , (%%REGa, %1)   , (%%REGa, %1, 2))
1797 DEINT_L5(%%mm0, %%mm1, (%%REGa, %1)   , (%%REGa, %1, 2), (%0, %1, 4)   )
1798 DEINT_L5(%%mm1, %%mm0, (%%REGa, %1, 2), (%0, %1, 4)    , (%%REGd)       )
1799 DEINT_L5(%%mm0, %%mm1, (%0, %1, 4)    , (%%REGd)       , (%%REGd, %1)   )
1800 DEINT_L5(%%mm1, %%mm0, (%%REGd)       , (%%REGd, %1)   , (%%REGd, %1, 2))
1801 DEINT_L5(%%mm0, %%mm1, (%%REGd, %1)   , (%%REGd, %1, 2), (%0, %1, 8)   )
1802 DEINT_L5(%%mm1, %%mm0, (%%REGd, %1, 2), (%0, %1, 8)    , (%%REGd, %1, 4))
1803
1804                 "movq %%mm0, (%2)                       \n\t"
1805                 "movq %%mm1, (%3)                       \n\t"
1806                 : : "r" (src), "r" ((long)stride), "r"(tmp), "r"(tmp2)
1807                 : "%"REG_a, "%"REG_d
1808         );
1809 #else //defined (HAVE_MMX2) || defined (HAVE_3DNOW)
1810         int x;
1811         src+= stride*4;
1812         for(x=0; x<8; x++)
1813         {
1814                 int t1= tmp[x];
1815                 int t2= tmp2[x];
1816                 int t3= src[0];
1817
1818                 src[stride*0]= CLIP((-(t1 + src[stride*2]) + 2*(t2 + src[stride*1]) + 6*t3 + 4)>>3);
1819                 t1= src[stride*1];
1820                 src[stride*1]= CLIP((-(t2 + src[stride*3]) + 2*(t3 + src[stride*2]) + 6*t1 + 4)>>3);
1821                 t2= src[stride*2];
1822                 src[stride*2]= CLIP((-(t3 + src[stride*4]) + 2*(t1 + src[stride*3]) + 6*t2 + 4)>>3);
1823                 t3= src[stride*3];
1824                 src[stride*3]= CLIP((-(t1 + src[stride*5]) + 2*(t2 + src[stride*4]) + 6*t3 + 4)>>3);
1825                 t1= src[stride*4];
1826                 src[stride*4]= CLIP((-(t2 + src[stride*6]) + 2*(t3 + src[stride*5]) + 6*t1 + 4)>>3);
1827                 t2= src[stride*5];
1828                 src[stride*5]= CLIP((-(t3 + src[stride*7]) + 2*(t1 + src[stride*6]) + 6*t2 + 4)>>3);
1829                 t3= src[stride*6];
1830                 src[stride*6]= CLIP((-(t1 + src[stride*8]) + 2*(t2 + src[stride*7]) + 6*t3 + 4)>>3);
1831                 t1= src[stride*7];
1832                 src[stride*7]= CLIP((-(t2 + src[stride*9]) + 2*(t3 + src[stride*8]) + 6*t1 + 4)>>3);
1833
1834                 tmp[x]= t3;
1835                 tmp2[x]= t1;
1836
1837                 src++;
1838         }
1839 #endif //defined (HAVE_MMX2) || defined (HAVE_3DNOW)
1840 }
1841
1842 /**
1843  * Deinterlaces the given block by filtering all lines with a (1 2 1) filter.
1844  * will be called for every 8x8 block and can read & write from line 4-15
1845  * lines 0-3 have been passed through the deblock / dering filters allready, but can be read too
1846  * lines 4-12 will be read into the deblocking filter and should be deinterlaced
1847  * this filter will read lines 4-13 and write 4-11
1848  */
1849 static inline void RENAME(deInterlaceBlendLinear)(uint8_t src[], int stride, uint8_t *tmp)
1850 {
1851 #if defined (HAVE_MMX2) || defined (HAVE_3DNOW)
1852         src+= 4*stride;
1853         asm volatile(
1854                 "lea (%0, %1), %%"REG_a"                \n\t"
1855                 "lea (%%"REG_a", %1, 4), %%"REG_d"      \n\t"
1856 //      0       1       2       3       4       5       6       7       8       9
1857 //      %0      eax     eax+%1  eax+2%1 %0+4%1  edx     edx+%1  edx+2%1 %0+8%1  edx+4%1
1858
1859                 "movq (%2), %%mm0                       \n\t" // L0
1860                 "movq (%%"REG_a"), %%mm1                \n\t" // L2
1861                 PAVGB(%%mm1, %%mm0)                           // L0+L2
1862                 "movq (%0), %%mm2                       \n\t" // L1
1863                 PAVGB(%%mm2, %%mm0)
1864                 "movq %%mm0, (%0)                       \n\t"
1865                 "movq (%%"REG_a", %1), %%mm0            \n\t" // L3
1866                 PAVGB(%%mm0, %%mm2)                           // L1+L3
1867                 PAVGB(%%mm1, %%mm2)                           // 2L2 + L1 + L3
1868                 "movq %%mm2, (%%"REG_a")                \n\t"
1869                 "movq (%%"REG_a", %1, 2), %%mm2         \n\t" // L4
1870                 PAVGB(%%mm2, %%mm1)                           // L2+L4
1871                 PAVGB(%%mm0, %%mm1)                           // 2L3 + L2 + L4
1872                 "movq %%mm1, (%%"REG_a", %1)            \n\t"
1873                 "movq (%0, %1, 4), %%mm1                \n\t" // L5
1874                 PAVGB(%%mm1, %%mm0)                           // L3+L5
1875                 PAVGB(%%mm2, %%mm0)                           // 2L4 + L3 + L5
1876                 "movq %%mm0, (%%"REG_a", %1, 2)         \n\t"
1877                 "movq (%%"REG_d"), %%mm0                \n\t" // L6
1878                 PAVGB(%%mm0, %%mm2)                           // L4+L6
1879                 PAVGB(%%mm1, %%mm2)                           // 2L5 + L4 + L6
1880                 "movq %%mm2, (%0, %1, 4)                \n\t"
1881                 "movq (%%"REG_d", %1), %%mm2            \n\t" // L7
1882                 PAVGB(%%mm2, %%mm1)                           // L5+L7
1883                 PAVGB(%%mm0, %%mm1)                           // 2L6 + L5 + L7
1884                 "movq %%mm1, (%%"REG_d")                \n\t"
1885                 "movq (%%"REG_d", %1, 2), %%mm1         \n\t" // L8
1886                 PAVGB(%%mm1, %%mm0)                           // L6+L8
1887                 PAVGB(%%mm2, %%mm0)                           // 2L7 + L6 + L8
1888                 "movq %%mm0, (%%"REG_d", %1)            \n\t"
1889                 "movq (%0, %1, 8), %%mm0                \n\t" // L9
1890                 PAVGB(%%mm0, %%mm2)                           // L7+L9
1891                 PAVGB(%%mm1, %%mm2)                           // 2L8 + L7 + L9
1892                 "movq %%mm2, (%%"REG_d", %1, 2)         \n\t"
1893                 "movq %%mm1, (%2)                       \n\t"
1894
1895                 : : "r" (src), "r" ((long)stride), "r" (tmp)
1896                 : "%"REG_a, "%"REG_d
1897         );
1898 #else //defined (HAVE_MMX2) || defined (HAVE_3DNOW)
1899         int a, b, c, x;
1900         src+= 4*stride;
1901
1902         for(x=0; x<2; x++){
1903                 a= *(uint32_t*)&tmp[stride*0];
1904                 b= *(uint32_t*)&src[stride*0];
1905                 c= *(uint32_t*)&src[stride*1];
1906                 a= (a&c) + (((a^c)&0xFEFEFEFEUL)>>1);
1907                 *(uint32_t*)&src[stride*0]= (a|b) - (((a^b)&0xFEFEFEFEUL)>>1);
1908
1909                 a= *(uint32_t*)&src[stride*2];
1910                 b= (a&b) + (((a^b)&0xFEFEFEFEUL)>>1);
1911                 *(uint32_t*)&src[stride*1]= (c|b) - (((c^b)&0xFEFEFEFEUL)>>1);
1912
1913                 b= *(uint32_t*)&src[stride*3];
1914                 c= (b&c) + (((b^c)&0xFEFEFEFEUL)>>1);
1915                 *(uint32_t*)&src[stride*2]= (c|a) - (((c^a)&0xFEFEFEFEUL)>>1);
1916
1917                 c= *(uint32_t*)&src[stride*4];
1918                 a= (a&c) + (((a^c)&0xFEFEFEFEUL)>>1);
1919                 *(uint32_t*)&src[stride*3]= (a|b) - (((a^b)&0xFEFEFEFEUL)>>1);
1920
1921                 a= *(uint32_t*)&src[stride*5];
1922                 b= (a&b) + (((a^b)&0xFEFEFEFEUL)>>1);
1923                 *(uint32_t*)&src[stride*4]= (c|b) - (((c^b)&0xFEFEFEFEUL)>>1);
1924
1925                 b= *(uint32_t*)&src[stride*6];
1926                 c= (b&c) + (((b^c)&0xFEFEFEFEUL)>>1);
1927                 *(uint32_t*)&src[stride*5]= (c|a) - (((c^a)&0xFEFEFEFEUL)>>1);
1928
1929                 c= *(uint32_t*)&src[stride*7];
1930                 a= (a&c) + (((a^c)&0xFEFEFEFEUL)>>1);
1931                 *(uint32_t*)&src[stride*6]= (a|b) - (((a^b)&0xFEFEFEFEUL)>>1);
1932
1933                 a= *(uint32_t*)&src[stride*8];
1934                 b= (a&b) + (((a^b)&0xFEFEFEFEUL)>>1);
1935                 *(uint32_t*)&src[stride*7]= (c|b) - (((c^b)&0xFEFEFEFEUL)>>1);
1936
1937                 *(uint32_t*)&tmp[stride*0]= c;
1938                 src += 4;
1939                 tmp += 4;
1940         }
1941 #endif //defined (HAVE_MMX2) || defined (HAVE_3DNOW)
1942 }
1943
1944 /**
1945  * Deinterlaces the given block by applying a median filter to every second line.
1946  * will be called for every 8x8 block and can read & write from line 4-15,
1947  * lines 0-3 have been passed through the deblock / dering filters allready, but can be read too
1948  * lines 4-12 will be read into the deblocking filter and should be deinterlaced
1949  */
1950 static inline void RENAME(deInterlaceMedian)(uint8_t src[], int stride)
1951 {
1952 #ifdef HAVE_MMX
1953         src+= 4*stride;
1954 #ifdef HAVE_MMX2
1955         asm volatile(
1956                 "lea (%0, %1), %%"REG_a"                \n\t"
1957                 "lea (%%"REG_a", %1, 4), %%"REG_d"      \n\t"
1958 //      0       1       2       3       4       5       6       7       8       9
1959 //      %0      eax     eax+%1  eax+2%1 %0+4%1  edx     edx+%1  edx+2%1 %0+8%1  edx+4%1
1960
1961                 "movq (%0), %%mm0                       \n\t" //
1962                 "movq (%%"REG_a", %1), %%mm2            \n\t" //
1963                 "movq (%%"REG_a"), %%mm1                \n\t" //
1964                 "movq %%mm0, %%mm3                      \n\t"
1965                 "pmaxub %%mm1, %%mm0                    \n\t" //
1966                 "pminub %%mm3, %%mm1                    \n\t" //
1967                 "pmaxub %%mm2, %%mm1                    \n\t" //
1968                 "pminub %%mm1, %%mm0                    \n\t"
1969                 "movq %%mm0, (%%"REG_a")                \n\t"
1970
1971                 "movq (%0, %1, 4), %%mm0                \n\t" //
1972                 "movq (%%"REG_a", %1, 2), %%mm1         \n\t" //
1973                 "movq %%mm2, %%mm3                      \n\t"
1974                 "pmaxub %%mm1, %%mm2                    \n\t" //
1975                 "pminub %%mm3, %%mm1                    \n\t" //
1976                 "pmaxub %%mm0, %%mm1                    \n\t" //
1977                 "pminub %%mm1, %%mm2                    \n\t"
1978                 "movq %%mm2, (%%"REG_a", %1, 2)         \n\t"
1979
1980                 "movq (%%"REG_d"), %%mm2                \n\t" //
1981                 "movq (%%"REG_d", %1), %%mm1            \n\t" //
1982                 "movq %%mm2, %%mm3                      \n\t"
1983                 "pmaxub %%mm0, %%mm2                    \n\t" //
1984                 "pminub %%mm3, %%mm0                    \n\t" //
1985                 "pmaxub %%mm1, %%mm0                    \n\t" //
1986                 "pminub %%mm0, %%mm2                    \n\t"
1987                 "movq %%mm2, (%%"REG_d")                \n\t"
1988
1989                 "movq (%%"REG_d", %1, 2), %%mm2         \n\t" //
1990                 "movq (%0, %1, 8), %%mm0                \n\t" //
1991                 "movq %%mm2, %%mm3                      \n\t"
1992                 "pmaxub %%mm0, %%mm2                    \n\t" //
1993                 "pminub %%mm3, %%mm0                    \n\t" //
1994                 "pmaxub %%mm1, %%mm0                    \n\t" //
1995                 "pminub %%mm0, %%mm2                    \n\t"
1996                 "movq %%mm2, (%%"REG_d", %1, 2)         \n\t"
1997
1998
1999                 : : "r" (src), "r" ((long)stride)
2000                 : "%"REG_a, "%"REG_d
2001         );
2002
2003 #else // MMX without MMX2
2004         asm volatile(
2005                 "lea (%0, %1), %%"REG_a"                \n\t"
2006                 "lea (%%"REG_a", %1, 4), %%"REG_d"      \n\t"
2007 //      0       1       2       3       4       5       6       7       8       9
2008 //      %0      eax     eax+%1  eax+2%1 %0+4%1  edx     edx+%1  edx+2%1 %0+8%1  edx+4%1
2009                 "pxor %%mm7, %%mm7                      \n\t"
2010
2011 #define REAL_MEDIAN(a,b,c)\
2012                 "movq " #a ", %%mm0                     \n\t"\
2013                 "movq " #b ", %%mm2                     \n\t"\
2014                 "movq " #c ", %%mm1                     \n\t"\
2015                 "movq %%mm0, %%mm3                      \n\t"\
2016                 "movq %%mm1, %%mm4                      \n\t"\
2017                 "movq %%mm2, %%mm5                      \n\t"\
2018                 "psubusb %%mm1, %%mm3                   \n\t"\
2019                 "psubusb %%mm2, %%mm4                   \n\t"\
2020                 "psubusb %%mm0, %%mm5                   \n\t"\
2021                 "pcmpeqb %%mm7, %%mm3                   \n\t"\
2022                 "pcmpeqb %%mm7, %%mm4                   \n\t"\
2023                 "pcmpeqb %%mm7, %%mm5                   \n\t"\
2024                 "movq %%mm3, %%mm6                      \n\t"\
2025                 "pxor %%mm4, %%mm3                      \n\t"\
2026                 "pxor %%mm5, %%mm4                      \n\t"\
2027                 "pxor %%mm6, %%mm5                      \n\t"\
2028                 "por %%mm3, %%mm1                       \n\t"\
2029                 "por %%mm4, %%mm2                       \n\t"\
2030                 "por %%mm5, %%mm0                       \n\t"\
2031                 "pand %%mm2, %%mm0                      \n\t"\
2032                 "pand %%mm1, %%mm0                      \n\t"\
2033                 "movq %%mm0, " #b "                     \n\t"
2034 #define MEDIAN(a,b,c)  REAL_MEDIAN(a,b,c)
2035
2036 MEDIAN((%0)        , (%%REGa)       , (%%REGa, %1))
2037 MEDIAN((%%REGa, %1), (%%REGa, %1, 2), (%0, %1, 4))
2038 MEDIAN((%0, %1, 4) , (%%REGd)       , (%%REGd, %1))
2039 MEDIAN((%%REGd, %1), (%%REGd, %1, 2), (%0, %1, 8))
2040
2041                 : : "r" (src), "r" ((long)stride)
2042                 : "%"REG_a, "%"REG_d
2043         );
2044 #endif //HAVE_MMX2
2045 #else //HAVE_MMX
2046         int x, y;
2047         src+= 4*stride;
2048         // FIXME - there should be a way to do a few columns in parallel like w/mmx
2049         for(x=0; x<8; x++)
2050         {
2051                 uint8_t *colsrc = src;
2052                 for (y=0; y<4; y++)
2053                 {
2054                         int a, b, c, d, e, f;
2055                         a = colsrc[0       ];
2056                         b = colsrc[stride  ];
2057                         c = colsrc[stride*2];
2058                         d = (a-b)>>31;
2059                         e = (b-c)>>31;
2060                         f = (c-a)>>31;
2061                         colsrc[stride  ] = (a|(d^f)) & (b|(d^e)) & (c|(e^f));
2062                         colsrc += stride*2;
2063                 }
2064                 src++;
2065         }
2066 #endif //HAVE_MMX
2067 }
2068
2069 #ifdef HAVE_MMX
2070 /**
2071  * transposes and shift the given 8x8 Block into dst1 and dst2
2072  */
2073 static inline void RENAME(transpose1)(uint8_t *dst1, uint8_t *dst2, uint8_t *src, int srcStride)
2074 {
2075         asm(
2076                 "lea (%0, %1), %%"REG_a"                \n\t"
2077 //      0       1       2       3       4       5       6       7       8       9
2078 //      %0      eax     eax+%1  eax+2%1 %0+4%1  edx     edx+%1  edx+2%1 %0+8%1  edx+4%1
2079                 "movq (%0), %%mm0                       \n\t" // 12345678
2080                 "movq (%%"REG_a"), %%mm1                \n\t" // abcdefgh
2081                 "movq %%mm0, %%mm2                      \n\t" // 12345678
2082                 "punpcklbw %%mm1, %%mm0                 \n\t" // 1a2b3c4d
2083                 "punpckhbw %%mm1, %%mm2                 \n\t" // 5e6f7g8h
2084
2085                 "movq (%%"REG_a", %1), %%mm1            \n\t"
2086                 "movq (%%"REG_a", %1, 2), %%mm3         \n\t"
2087                 "movq %%mm1, %%mm4                      \n\t"
2088                 "punpcklbw %%mm3, %%mm1                 \n\t"
2089                 "punpckhbw %%mm3, %%mm4                 \n\t"
2090
2091                 "movq %%mm0, %%mm3                      \n\t"
2092                 "punpcklwd %%mm1, %%mm0                 \n\t"
2093                 "punpckhwd %%mm1, %%mm3                 \n\t"
2094                 "movq %%mm2, %%mm1                      \n\t"
2095                 "punpcklwd %%mm4, %%mm2                 \n\t"
2096                 "punpckhwd %%mm4, %%mm1                 \n\t"
2097
2098                 "movd %%mm0, 128(%2)                    \n\t"
2099                 "psrlq $32, %%mm0                       \n\t"
2100                 "movd %%mm0, 144(%2)                    \n\t"
2101                 "movd %%mm3, 160(%2)                    \n\t"
2102                 "psrlq $32, %%mm3                       \n\t"
2103                 "movd %%mm3, 176(%2)                    \n\t"
2104                 "movd %%mm3, 48(%3)                     \n\t"
2105                 "movd %%mm2, 192(%2)                    \n\t"
2106                 "movd %%mm2, 64(%3)                     \n\t"
2107                 "psrlq $32, %%mm2                       \n\t"
2108                 "movd %%mm2, 80(%3)                     \n\t"
2109                 "movd %%mm1, 96(%3)                     \n\t"
2110                 "psrlq $32, %%mm1                       \n\t"
2111                 "movd %%mm1, 112(%3)                    \n\t"
2112
2113                 "lea (%%"REG_a", %1, 4), %%"REG_a"      \n\t"
2114
2115                 "movq (%0, %1, 4), %%mm0                \n\t" // 12345678
2116                 "movq (%%"REG_a"), %%mm1                \n\t" // abcdefgh
2117                 "movq %%mm0, %%mm2                      \n\t" // 12345678
2118                 "punpcklbw %%mm1, %%mm0                 \n\t" // 1a2b3c4d
2119                 "punpckhbw %%mm1, %%mm2                 \n\t" // 5e6f7g8h
2120
2121                 "movq (%%"REG_a", %1), %%mm1            \n\t"
2122                 "movq (%%"REG_a", %1, 2), %%mm3         \n\t"
2123                 "movq %%mm1, %%mm4                      \n\t"
2124                 "punpcklbw %%mm3, %%mm1                 \n\t"
2125                 "punpckhbw %%mm3, %%mm4                 \n\t"
2126
2127                 "movq %%mm0, %%mm3                      \n\t"
2128                 "punpcklwd %%mm1, %%mm0                 \n\t"
2129                 "punpckhwd %%mm1, %%mm3                 \n\t"
2130                 "movq %%mm2, %%mm1                      \n\t"
2131                 "punpcklwd %%mm4, %%mm2                 \n\t"
2132                 "punpckhwd %%mm4, %%mm1                 \n\t"
2133
2134                 "movd %%mm0, 132(%2)                    \n\t"
2135                 "psrlq $32, %%mm0                       \n\t"
2136                 "movd %%mm0, 148(%2)                    \n\t"
2137                 "movd %%mm3, 164(%2)                    \n\t"
2138                 "psrlq $32, %%mm3                       \n\t"
2139                 "movd %%mm3, 180(%2)                    \n\t"
2140                 "movd %%mm3, 52(%3)                     \n\t"
2141                 "movd %%mm2, 196(%2)                    \n\t"
2142                 "movd %%mm2, 68(%3)                     \n\t"
2143                 "psrlq $32, %%mm2                       \n\t"
2144                 "movd %%mm2, 84(%3)                     \n\t"
2145                 "movd %%mm1, 100(%3)                    \n\t"
2146                 "psrlq $32, %%mm1                       \n\t"
2147                 "movd %%mm1, 116(%3)                    \n\t"
2148
2149
2150         :: "r" (src), "r" ((long)srcStride), "r" (dst1), "r" (dst2)
2151         : "%"REG_a
2152         );
2153 }
2154
2155 /**
2156  * transposes the given 8x8 block
2157  */
2158 static inline void RENAME(transpose2)(uint8_t *dst, int dstStride, uint8_t *src)
2159 {
2160         asm(
2161                 "lea (%0, %1), %%"REG_a"                \n\t"
2162                 "lea (%%"REG_a",%1,4), %%"REG_d"        \n\t"
2163 //      0       1       2       3       4       5       6       7       8       9
2164 //      %0      eax     eax+%1  eax+2%1 %0+4%1  edx     edx+%1  edx+2%1 %0+8%1  edx+4%1
2165                 "movq (%2), %%mm0                       \n\t" // 12345678
2166                 "movq 16(%2), %%mm1                     \n\t" // abcdefgh
2167                 "movq %%mm0, %%mm2                      \n\t" // 12345678
2168                 "punpcklbw %%mm1, %%mm0                 \n\t" // 1a2b3c4d
2169                 "punpckhbw %%mm1, %%mm2                 \n\t" // 5e6f7g8h
2170
2171                 "movq 32(%2), %%mm1                     \n\t"
2172                 "movq 48(%2), %%mm3                     \n\t"
2173                 "movq %%mm1, %%mm4                      \n\t"
2174                 "punpcklbw %%mm3, %%mm1                 \n\t"
2175                 "punpckhbw %%mm3, %%mm4                 \n\t"
2176
2177                 "movq %%mm0, %%mm3                      \n\t"
2178                 "punpcklwd %%mm1, %%mm0                 \n\t"
2179                 "punpckhwd %%mm1, %%mm3                 \n\t"
2180                 "movq %%mm2, %%mm1                      \n\t"
2181                 "punpcklwd %%mm4, %%mm2                 \n\t"
2182                 "punpckhwd %%mm4, %%mm1                 \n\t"
2183
2184                 "movd %%mm0, (%0)                       \n\t"
2185                 "psrlq $32, %%mm0                       \n\t"
2186                 "movd %%mm0, (%%"REG_a")                \n\t"
2187                 "movd %%mm3, (%%"REG_a", %1)            \n\t"
2188                 "psrlq $32, %%mm3                       \n\t"
2189                 "movd %%mm3, (%%"REG_a", %1, 2)         \n\t"
2190                 "movd %%mm2, (%0, %1, 4)                \n\t"
2191                 "psrlq $32, %%mm2                       \n\t"
2192                 "movd %%mm2, (%%"REG_d")                \n\t"
2193                 "movd %%mm1, (%%"REG_d", %1)            \n\t"
2194                 "psrlq $32, %%mm1                       \n\t"
2195                 "movd %%mm1, (%%"REG_d", %1, 2)         \n\t"
2196
2197
2198                 "movq 64(%2), %%mm0                     \n\t" // 12345678
2199                 "movq 80(%2), %%mm1                     \n\t" // abcdefgh
2200                 "movq %%mm0, %%mm2                      \n\t" // 12345678
2201                 "punpcklbw %%mm1, %%mm0                 \n\t" // 1a2b3c4d
2202                 "punpckhbw %%mm1, %%mm2                 \n\t" // 5e6f7g8h
2203
2204                 "movq 96(%2), %%mm1                     \n\t"
2205                 "movq 112(%2), %%mm3                    \n\t"
2206                 "movq %%mm1, %%mm4                      \n\t"
2207                 "punpcklbw %%mm3, %%mm1                 \n\t"
2208                 "punpckhbw %%mm3, %%mm4                 \n\t"
2209
2210                 "movq %%mm0, %%mm3                      \n\t"
2211                 "punpcklwd %%mm1, %%mm0                 \n\t"
2212                 "punpckhwd %%mm1, %%mm3                 \n\t"
2213                 "movq %%mm2, %%mm1                      \n\t"
2214                 "punpcklwd %%mm4, %%mm2                 \n\t"
2215                 "punpckhwd %%mm4, %%mm1                 \n\t"
2216
2217                 "movd %%mm0, 4(%0)                      \n\t"
2218                 "psrlq $32, %%mm0                       \n\t"
2219                 "movd %%mm0, 4(%%"REG_a")               \n\t"
2220                 "movd %%mm3, 4(%%"REG_a", %1)           \n\t"
2221                 "psrlq $32, %%mm3                       \n\t"
2222                 "movd %%mm3, 4(%%"REG_a", %1, 2)        \n\t"
2223                 "movd %%mm2, 4(%0, %1, 4)               \n\t"
2224                 "psrlq $32, %%mm2                       \n\t"
2225                 "movd %%mm2, 4(%%"REG_d")               \n\t"
2226                 "movd %%mm1, 4(%%"REG_d", %1)           \n\t"
2227                 "psrlq $32, %%mm1                       \n\t"
2228                 "movd %%mm1, 4(%%"REG_d", %1, 2)        \n\t"
2229
2230         :: "r" (dst), "r" ((long)dstStride), "r" (src)
2231         : "%"REG_a, "%"REG_d
2232         );
2233 }
2234 #endif //HAVE_MMX
2235 //static long test=0;
2236
2237 #ifndef HAVE_ALTIVEC
2238 static inline void RENAME(tempNoiseReducer)(uint8_t *src, int stride,
2239                                     uint8_t *tempBlured, uint32_t *tempBluredPast, int *maxNoise)
2240 {
2241         // to save a register (FIXME do this outside of the loops)
2242         tempBluredPast[127]= maxNoise[0];
2243         tempBluredPast[128]= maxNoise[1];
2244         tempBluredPast[129]= maxNoise[2];
2245
2246 #define FAST_L2_DIFF
2247 //#define L1_DIFF //u should change the thresholds too if u try that one
2248 #if defined (HAVE_MMX2) || defined (HAVE_3DNOW)
2249         asm volatile(
2250                 "lea (%2, %2, 2), %%"REG_a"             \n\t" // 3*stride
2251                 "lea (%2, %2, 4), %%"REG_d"             \n\t" // 5*stride
2252                 "lea (%%"REG_d", %2, 2), %%"REG_c"      \n\t" // 7*stride
2253 //      0       1       2       3       4       5       6       7       8       9
2254 //      %x      %x+%2   %x+2%2  %x+eax  %x+4%2  %x+edx  %x+2eax %x+ecx  %x+8%2
2255 //FIXME reorder?
2256 #ifdef L1_DIFF //needs mmx2
2257                 "movq (%0), %%mm0                       \n\t" // L0
2258                 "psadbw (%1), %%mm0                     \n\t" // |L0-R0|
2259                 "movq (%0, %2), %%mm1                   \n\t" // L1
2260                 "psadbw (%1, %2), %%mm1                 \n\t" // |L1-R1|
2261                 "movq (%0, %2, 2), %%mm2                \n\t" // L2
2262                 "psadbw (%1, %2, 2), %%mm2              \n\t" // |L2-R2|
2263                 "movq (%0, %%"REG_a"), %%mm3            \n\t" // L3
2264                 "psadbw (%1, %%"REG_a"), %%mm3          \n\t" // |L3-R3|
2265
2266                 "movq (%0, %2, 4), %%mm4                \n\t" // L4
2267                 "paddw %%mm1, %%mm0                     \n\t"
2268                 "psadbw (%1, %2, 4), %%mm4              \n\t" // |L4-R4|
2269                 "movq (%0, %%"REG_d"), %%mm5            \n\t" // L5
2270                 "paddw %%mm2, %%mm0                     \n\t"
2271                 "psadbw (%1, %%"REG_d"), %%mm5          \n\t" // |L5-R5|
2272                 "movq (%0, %%"REG_a", 2), %%mm6         \n\t" // L6
2273                 "paddw %%mm3, %%mm0                     \n\t"
2274                 "psadbw (%1, %%"REG_a", 2), %%mm6       \n\t" // |L6-R6|
2275                 "movq (%0, %%"REG_c"), %%mm7            \n\t" // L7
2276                 "paddw %%mm4, %%mm0                     \n\t"
2277                 "psadbw (%1, %%"REG_c"), %%mm7          \n\t" // |L7-R7|
2278                 "paddw %%mm5, %%mm6                     \n\t"
2279                 "paddw %%mm7, %%mm6                     \n\t"
2280                 "paddw %%mm6, %%mm0                     \n\t"
2281 #else //L1_DIFF
2282 #if defined (FAST_L2_DIFF)
2283                 "pcmpeqb %%mm7, %%mm7                   \n\t"
2284                 "movq "MANGLE(b80)", %%mm6              \n\t"
2285                 "pxor %%mm0, %%mm0                      \n\t"
2286 #define REAL_L2_DIFF_CORE(a, b)\
2287                 "movq " #a ", %%mm5                     \n\t"\
2288                 "movq " #b ", %%mm2                     \n\t"\
2289                 "pxor %%mm7, %%mm2                      \n\t"\
2290                 PAVGB(%%mm2, %%mm5)\
2291                 "paddb %%mm6, %%mm5                     \n\t"\
2292                 "movq %%mm5, %%mm2                      \n\t"\
2293                 "psllw $8, %%mm5                        \n\t"\
2294                 "pmaddwd %%mm5, %%mm5                   \n\t"\
2295                 "pmaddwd %%mm2, %%mm2                   \n\t"\
2296                 "paddd %%mm2, %%mm5                     \n\t"\
2297                 "psrld $14, %%mm5                       \n\t"\
2298                 "paddd %%mm5, %%mm0                     \n\t"
2299
2300 #else //defined (FAST_L2_DIFF)
2301                 "pxor %%mm7, %%mm7                      \n\t"
2302                 "pxor %%mm0, %%mm0                      \n\t"
2303 #define REAL_L2_DIFF_CORE(a, b)\
2304                 "movq " #a ", %%mm5                     \n\t"\
2305                 "movq " #b ", %%mm2                     \n\t"\
2306                 "movq %%mm5, %%mm1                      \n\t"\
2307                 "movq %%mm2, %%mm3                      \n\t"\
2308                 "punpcklbw %%mm7, %%mm5                 \n\t"\
2309                 "punpckhbw %%mm7, %%mm1                 \n\t"\
2310                 "punpcklbw %%mm7, %%mm2                 \n\t"\
2311                 "punpckhbw %%mm7, %%mm3                 \n\t"\
2312                 "psubw %%mm2, %%mm5                     \n\t"\
2313                 "psubw %%mm3, %%mm1                     \n\t"\
2314                 "pmaddwd %%mm5, %%mm5                   \n\t"\
2315                 "pmaddwd %%mm1, %%mm1                   \n\t"\
2316                 "paddd %%mm1, %%mm5                     \n\t"\
2317                 "paddd %%mm5, %%mm0                     \n\t"
2318
2319 #endif //defined (FAST_L2_DIFF)
2320
2321 #define L2_DIFF_CORE(a, b)  REAL_L2_DIFF_CORE(a, b)
2322
2323 L2_DIFF_CORE((%0)          , (%1))
2324 L2_DIFF_CORE((%0, %2)      , (%1, %2))
2325 L2_DIFF_CORE((%0, %2, 2)   , (%1, %2, 2))
2326 L2_DIFF_CORE((%0, %%REGa)  , (%1, %%REGa))
2327 L2_DIFF_CORE((%0, %2, 4)   , (%1, %2, 4))
2328 L2_DIFF_CORE((%0, %%REGd)  , (%1, %%REGd))
2329 L2_DIFF_CORE((%0, %%REGa,2), (%1, %%REGa,2))
2330 L2_DIFF_CORE((%0, %%REGc)  , (%1, %%REGc))
2331
2332 #endif //L1_DIFF
2333
2334                 "movq %%mm0, %%mm4                      \n\t"
2335                 "psrlq $32, %%mm0                       \n\t"
2336                 "paddd %%mm0, %%mm4                     \n\t"
2337                 "movd %%mm4, %%ecx                      \n\t"
2338                 "shll $2, %%ecx                         \n\t"
2339                 "mov %3, %%"REG_d"                      \n\t"
2340                 "addl -4(%%"REG_d"), %%ecx              \n\t"
2341                 "addl 4(%%"REG_d"), %%ecx               \n\t"
2342                 "addl -1024(%%"REG_d"), %%ecx           \n\t"
2343                 "addl $4, %%ecx                         \n\t"
2344                 "addl 1024(%%"REG_d"), %%ecx            \n\t"
2345                 "shrl $3, %%ecx                         \n\t"
2346                 "movl %%ecx, (%%"REG_d")                \n\t"
2347
2348 //                "mov %3, %%"REG_c"                      \n\t"
2349 //                "mov %%"REG_c", test                    \n\t"
2350 //                "jmp 4f                                 \n\t"
2351                 "cmpl 512(%%"REG_d"), %%ecx             \n\t"
2352                 " jb 2f                                 \n\t"
2353                 "cmpl 516(%%"REG_d"), %%ecx             \n\t"
2354                 " jb 1f                                 \n\t"
2355
2356                 "lea (%%"REG_a", %2, 2), %%"REG_d"      \n\t" // 5*stride
2357                 "lea (%%"REG_d", %2, 2), %%"REG_c"      \n\t" // 7*stride
2358                 "movq (%0), %%mm0                       \n\t" // L0
2359                 "movq (%0, %2), %%mm1                   \n\t" // L1
2360                 "movq (%0, %2, 2), %%mm2                \n\t" // L2
2361                 "movq (%0, %%"REG_a"), %%mm3            \n\t" // L3
2362                 "movq (%0, %2, 4), %%mm4                \n\t" // L4
2363                 "movq (%0, %%"REG_d"), %%mm5            \n\t" // L5
2364                 "movq (%0, %%"REG_a", 2), %%mm6         \n\t" // L6
2365                 "movq (%0, %%"REG_c"), %%mm7            \n\t" // L7
2366                 "movq %%mm0, (%1)                       \n\t" // L0
2367                 "movq %%mm1, (%1, %2)                   \n\t" // L1
2368                 "movq %%mm2, (%1, %2, 2)                \n\t" // L2
2369                 "movq %%mm3, (%1, %%"REG_a")            \n\t" // L3
2370                 "movq %%mm4, (%1, %2, 4)                \n\t" // L4
2371                 "movq %%mm5, (%1, %%"REG_d")            \n\t" // L5
2372                 "movq %%mm6, (%1, %%"REG_a", 2)         \n\t" // L6
2373                 "movq %%mm7, (%1, %%"REG_c")            \n\t" // L7
2374                 "jmp 4f                                 \n\t"
2375
2376                 "1:                                     \n\t"
2377                 "lea (%%"REG_a", %2, 2), %%"REG_d"      \n\t" // 5*stride
2378                 "lea (%%"REG_d", %2, 2), %%"REG_c"      \n\t" // 7*stride
2379                 "movq (%0), %%mm0                       \n\t" // L0
2380                 PAVGB((%1), %%mm0)                            // L0
2381                 "movq (%0, %2), %%mm1                   \n\t" // L1
2382                 PAVGB((%1, %2), %%mm1)                        // L1
2383                 "movq (%0, %2, 2), %%mm2                \n\t" // L2
2384                 PAVGB((%1, %2, 2), %%mm2)                     // L2
2385                 "movq (%0, %%"REG_a"), %%mm3            \n\t" // L3
2386                 PAVGB((%1, %%REGa), %%mm3)                    // L3
2387                 "movq (%0, %2, 4), %%mm4                \n\t" // L4
2388                 PAVGB((%1, %2, 4), %%mm4)                     // L4
2389                 "movq (%0, %%"REG_d"), %%mm5            \n\t" // L5
2390                 PAVGB((%1, %%REGd), %%mm5)                    // L5
2391                 "movq (%0, %%"REG_a", 2), %%mm6         \n\t" // L6
2392                 PAVGB((%1, %%REGa, 2), %%mm6)                 // L6
2393                 "movq (%0, %%"REG_c"), %%mm7            \n\t" // L7
2394                 PAVGB((%1, %%REGc), %%mm7)                    // L7
2395                 "movq %%mm0, (%1)                       \n\t" // R0
2396                 "movq %%mm1, (%1, %2)                   \n\t" // R1
2397                 "movq %%mm2, (%1, %2, 2)                \n\t" // R2
2398                 "movq %%mm3, (%1, %%"REG_a")            \n\t" // R3
2399                 "movq %%mm4, (%1, %2, 4)                \n\t" // R4
2400                 "movq %%mm5, (%1, %%"REG_d")            \n\t" // R5
2401                 "movq %%mm6, (%1, %%"REG_a", 2)         \n\t" // R6
2402                 "movq %%mm7, (%1, %%"REG_c")            \n\t" // R7
2403                 "movq %%mm0, (%0)                       \n\t" // L0
2404                 "movq %%mm1, (%0, %2)                   \n\t" // L1
2405                 "movq %%mm2, (%0, %2, 2)                \n\t" // L2
2406                 "movq %%mm3, (%0, %%"REG_a")            \n\t" // L3
2407                 "movq %%mm4, (%0, %2, 4)                \n\t" // L4
2408                 "movq %%mm5, (%0, %%"REG_d")            \n\t" // L5
2409                 "movq %%mm6, (%0, %%"REG_a", 2)         \n\t" // L6
2410                 "movq %%mm7, (%0, %%"REG_c")            \n\t" // L7
2411                 "jmp 4f                                 \n\t"
2412
2413                 "2:                                     \n\t"
2414                 "cmpl 508(%%"REG_d"), %%ecx             \n\t"
2415                 " jb 3f                                 \n\t"
2416
2417                 "lea (%%"REG_a", %2, 2), %%"REG_d"      \n\t" // 5*stride
2418                 "lea (%%"REG_d", %2, 2), %%"REG_c"      \n\t" // 7*stride
2419                 "movq (%0), %%mm0                       \n\t" // L0
2420                 "movq (%0, %2), %%mm1                   \n\t" // L1
2421                 "movq (%0, %2, 2), %%mm2                \n\t" // L2
2422                 "movq (%0, %%"REG_a"), %%mm3            \n\t" // L3
2423                 "movq (%1), %%mm4                       \n\t" // R0
2424                 "movq (%1, %2), %%mm5                   \n\t" // R1
2425                 "movq (%1, %2, 2), %%mm6                \n\t" // R2
2426                 "movq (%1, %%"REG_a"), %%mm7            \n\t" // R3
2427                 PAVGB(%%mm4, %%mm0)
2428                 PAVGB(%%mm5, %%mm1)
2429                 PAVGB(%%mm6, %%mm2)
2430                 PAVGB(%%mm7, %%mm3)
2431                 PAVGB(%%mm4, %%mm0)
2432                 PAVGB(%%mm5, %%mm1)
2433                 PAVGB(%%mm6, %%mm2)
2434                 PAVGB(%%mm7, %%mm3)
2435                 "movq %%mm0, (%1)                       \n\t" // R0
2436                 "movq %%mm1, (%1, %2)                   \n\t" // R1
2437                 "movq %%mm2, (%1, %2, 2)                \n\t" // R2
2438                 "movq %%mm3, (%1, %%"REG_a")            \n\t" // R3
2439                 "movq %%mm0, (%0)                       \n\t" // L0
2440                 "movq %%mm1, (%0, %2)                   \n\t" // L1
2441                 "movq %%mm2, (%0, %2, 2)                \n\t" // L2
2442                 "movq %%mm3, (%0, %%"REG_a")            \n\t" // L3
2443
2444                 "movq (%0, %2, 4), %%mm0                \n\t" // L4
2445                 "movq (%0, %%"REG_d"), %%mm1            \n\t" // L5
2446                 "movq (%0, %%"REG_a", 2), %%mm2         \n\t" // L6
2447                 "movq (%0, %%"REG_c"), %%mm3            \n\t" // L7
2448                 "movq (%1, %2, 4), %%mm4                \n\t" // R4
2449                 "movq (%1, %%"REG_d"), %%mm5            \n\t" // R5
2450                 "movq (%1, %%"REG_a", 2), %%mm6         \n\t" // R6
2451                 "movq (%1, %%"REG_c"), %%mm7            \n\t" // R7
2452                 PAVGB(%%mm4, %%mm0)
2453                 PAVGB(%%mm5, %%mm1)
2454                 PAVGB(%%mm6, %%mm2)
2455                 PAVGB(%%mm7, %%mm3)
2456                 PAVGB(%%mm4, %%mm0)
2457                 PAVGB(%%mm5, %%mm1)
2458                 PAVGB(%%mm6, %%mm2)
2459                 PAVGB(%%mm7, %%mm3)
2460                 "movq %%mm0, (%1, %2, 4)                \n\t" // R4
2461                 "movq %%mm1, (%1, %%"REG_d")            \n\t" // R5
2462                 "movq %%mm2, (%1, %%"REG_a", 2)         \n\t" // R6
2463                 "movq %%mm3, (%1, %%"REG_c")            \n\t" // R7
2464                 "movq %%mm0, (%0, %2, 4)                \n\t" // L4
2465                 "movq %%mm1, (%0, %%"REG_d")            \n\t" // L5
2466                 "movq %%mm2, (%0, %%"REG_a", 2)         \n\t" // L6
2467                 "movq %%mm3, (%0, %%"REG_c")            \n\t" // L7
2468                 "jmp 4f                                 \n\t"
2469
2470                 "3:                                     \n\t"
2471                 "lea (%%"REG_a", %2, 2), %%"REG_d"      \n\t" // 5*stride
2472                 "lea (%%"REG_d", %2, 2), %%"REG_c"      \n\t" // 7*stride
2473                 "movq (%0), %%mm0                       \n\t" // L0
2474                 "movq (%0, %2), %%mm1                   \n\t" // L1
2475                 "movq (%0, %2, 2), %%mm2                \n\t" // L2
2476                 "movq (%0, %%"REG_a"), %%mm3            \n\t" // L3
2477                 "movq (%1), %%mm4                       \n\t" // R0
2478                 "movq (%1, %2), %%mm5                   \n\t" // R1
2479                 "movq (%1, %2, 2), %%mm6                \n\t" // R2
2480                 "movq (%1, %%"REG_a"), %%mm7            \n\t" // R3
2481                 PAVGB(%%mm4, %%mm0)
2482                 PAVGB(%%mm5, %%mm1)
2483                 PAVGB(%%mm6, %%mm2)
2484                 PAVGB(%%mm7, %%mm3)
2485                 PAVGB(%%mm4, %%mm0)
2486                 PAVGB(%%mm5, %%mm1)
2487                 PAVGB(%%mm6, %%mm2)
2488                 PAVGB(%%mm7, %%mm3)
2489                 PAVGB(%%mm4, %%mm0)
2490                 PAVGB(%%mm5, %%mm1)
2491                 PAVGB(%%mm6, %%mm2)
2492                 PAVGB(%%mm7, %%mm3)
2493                 "movq %%mm0, (%1)                       \n\t" // R0
2494                 "movq %%mm1, (%1, %2)                   \n\t" // R1
2495                 "movq %%mm2, (%1, %2, 2)                \n\t" // R2
2496                 "movq %%mm3, (%1, %%"REG_a")            \n\t" // R3
2497                 "movq %%mm0, (%0)                       \n\t" // L0
2498                 "movq %%mm1, (%0, %2)                   \n\t" // L1
2499                 "movq %%mm2, (%0, %2, 2)                \n\t" // L2
2500                 "movq %%mm3, (%0, %%"REG_a")            \n\t" // L3
2501
2502                 "movq (%0, %2, 4), %%mm0                \n\t" // L4
2503                 "movq (%0, %%"REG_d"), %%mm1            \n\t" // L5
2504                 "movq (%0, %%"REG_a", 2), %%mm2         \n\t" // L6
2505                 "movq (%0, %%"REG_c"), %%mm3            \n\t" // L7
2506                 "movq (%1, %2, 4), %%mm4                \n\t" // R4
2507                 "movq (%1, %%"REG_d"), %%mm5            \n\t" // R5
2508                 "movq (%1, %%"REG_a", 2), %%mm6         \n\t" // R6
2509                 "movq (%1, %%"REG_c"), %%mm7            \n\t" // R7
2510                 PAVGB(%%mm4, %%mm0)
2511                 PAVGB(%%mm5, %%mm1)
2512                 PAVGB(%%mm6, %%mm2)
2513                 PAVGB(%%mm7, %%mm3)
2514                 PAVGB(%%mm4, %%mm0)
2515                 PAVGB(%%mm5, %%mm1)
2516                 PAVGB(%%mm6, %%mm2)
2517                 PAVGB(%%mm7, %%mm3)
2518                 PAVGB(%%mm4, %%mm0)
2519                 PAVGB(%%mm5, %%mm1)
2520                 PAVGB(%%mm6, %%mm2)
2521                 PAVGB(%%mm7, %%mm3)
2522                 "movq %%mm0, (%1, %2, 4)                \n\t" // R4
2523                 "movq %%mm1, (%1, %%"REG_d")            \n\t" // R5
2524                 "movq %%mm2, (%1, %%"REG_a", 2)         \n\t" // R6
2525                 "movq %%mm3, (%1, %%"REG_c")            \n\t" // R7
2526                 "movq %%mm0, (%0, %2, 4)                \n\t" // L4
2527                 "movq %%mm1, (%0, %%"REG_d")            \n\t" // L5
2528                 "movq %%mm2, (%0, %%"REG_a", 2)         \n\t" // L6
2529                 "movq %%mm3, (%0, %%"REG_c")            \n\t" // L7
2530
2531                 "4:                                     \n\t"
2532
2533                 :: "r" (src), "r" (tempBlured), "r"((long)stride), "m" (tempBluredPast)
2534                 : "%"REG_a, "%"REG_d, "%"REG_c, "memory"
2535                 );
2536 //printf("%d\n", test);
2537 #else //defined (HAVE_MMX2) || defined (HAVE_3DNOW)
2538 {
2539         int y;
2540         int d=0;
2541 //        int sysd=0;
2542         int i;
2543
2544         for(y=0; y<8; y++)
2545         {
2546                 int x;
2547                 for(x=0; x<8; x++)
2548                 {
2549                         int ref= tempBlured[ x + y*stride ];
2550                         int cur= src[ x + y*stride ];
2551                         int d1=ref - cur;
2552 //                        if(x==0 || x==7) d1+= d1>>1;
2553 //                        if(y==0 || y==7) d1+= d1>>1;
2554 //                        d+= ABS(d1);
2555                         d+= d1*d1;
2556 //                        sysd+= d1;
2557                 }
2558         }
2559         i=d;
2560         d=         (
2561                 4*d
2562                 +(*(tempBluredPast-256))
2563                 +(*(tempBluredPast-1))+ (*(tempBluredPast+1))
2564                 +(*(tempBluredPast+256))
2565                 +4)>>3;
2566         *tempBluredPast=i;
2567 //        ((*tempBluredPast)*3 + d + 2)>>2;
2568
2569 //printf("%d %d %d\n", maxNoise[0], maxNoise[1], maxNoise[2]);
2570 /*
2571 Switch between
2572  1  0  0  0  0  0  0  (0)
2573 64 32 16  8  4  2  1  (1)
2574 64 48 36 27 20 15 11 (33) (approx)
2575 64 56 49 43 37 33 29 (200) (approx)
2576 */
2577         if(d > maxNoise[1])
2578         {
2579                 if(d < maxNoise[2])
2580                 {
2581                         for(y=0; y<8; y++)
2582                         {
2583                                 int x;
2584                                 for(x=0; x<8; x++)
2585                                 {
2586                                         int ref= tempBlured[ x + y*stride ];
2587                                         int cur= src[ x + y*stride ];
2588                                         tempBlured[ x + y*stride ]=
2589                                         src[ x + y*stride ]=
2590                                                 (ref + cur + 1)>>1;
2591                                 }
2592                         }
2593                 }
2594                 else
2595                 {
2596                         for(y=0; y<8; y++)
2597                         {
2598                                 int x;
2599                                 for(x=0; x<8; x++)
2600                                 {
2601                                         tempBlured[ x + y*stride ]= src[ x + y*stride ];
2602                                 }
2603                         }
2604                 }
2605         }
2606         else
2607         {
2608                 if(d < maxNoise[0])
2609                 {
2610                         for(y=0; y<8; y++)
2611                         {
2612                                 int x;
2613                                 for(x=0; x<8; x++)
2614                                 {
2615                                         int ref= tempBlured[ x + y*stride ];
2616                                         int cur= src[ x + y*stride ];
2617                                         tempBlured[ x + y*stride ]=
2618                                         src[ x + y*stride ]=
2619                                                 (ref*7 + cur + 4)>>3;
2620                                 }
2621                         }
2622                 }
2623                 else
2624                 {
2625                         for(y=0; y<8; y++)
2626                         {
2627                                 int x;
2628                                 for(x=0; x<8; x++)
2629                                 {
2630                                         int ref= tempBlured[ x + y*stride ];
2631                                         int cur= src[ x + y*stride ];
2632                                         tempBlured[ x + y*stride ]=
2633                                         src[ x + y*stride ]=
2634                                                 (ref*3 + cur + 2)>>2;
2635                                 }
2636                         }
2637                 }
2638         }
2639 }
2640 #endif //defined (HAVE_MMX2) || defined (HAVE_3DNOW)
2641 }
2642 #endif //HAVE_ALTIVEC
2643
2644 #ifdef HAVE_MMX
2645 /**
2646  * accurate deblock filter
2647  */
2648 static always_inline void RENAME(do_a_deblock)(uint8_t *src, int step, int stride, PPContext *c){
2649         int64_t dc_mask, eq_mask, both_masks;
2650         int64_t sums[10*8*2];
2651         src+= step*3; // src points to begin of the 8x8 Block
2652 //START_TIMER
2653 asm volatile(
2654                 "movq %0, %%mm7                         \n\t"
2655                 "movq %1, %%mm6                         \n\t"
2656                 : : "m" (c->mmxDcOffset[c->nonBQP]),  "m" (c->mmxDcThreshold[c->nonBQP])
2657                 );
2658
2659 asm volatile(
2660                 "lea (%2, %3), %%"REG_a"                \n\t"
2661 //      0       1       2       3       4       5       6       7       8       9
2662 //      %1      eax     eax+%2  eax+2%2 %1+4%2  ecx     ecx+%2  ecx+2%2 %1+8%2  ecx+4%2
2663
2664                 "movq (%2), %%mm0                       \n\t"
2665                 "movq (%%"REG_a"), %%mm1                \n\t"
2666                 "movq %%mm1, %%mm3                      \n\t"
2667                 "movq %%mm1, %%mm4                      \n\t"
2668                 "psubb %%mm1, %%mm0                     \n\t" // mm0 = differnece
2669                 "paddb %%mm7, %%mm0                     \n\t"
2670                 "pcmpgtb %%mm6, %%mm0                   \n\t"
2671
2672                 "movq (%%"REG_a",%3), %%mm2             \n\t"
2673                 PMAXUB(%%mm2, %%mm4)
2674                 PMINUB(%%mm2, %%mm3, %%mm5)
2675                 "psubb %%mm2, %%mm1                     \n\t"
2676                 "paddb %%mm7, %%mm1                     \n\t"
2677                 "pcmpgtb %%mm6, %%mm1                   \n\t"
2678                 "paddb %%mm1, %%mm0                     \n\t"
2679
2680                 "movq (%%"REG_a", %3, 2), %%mm1         \n\t"
2681                 PMAXUB(%%mm1, %%mm4)
2682                 PMINUB(%%mm1, %%mm3, %%mm5)
2683                 "psubb %%mm1, %%mm2                     \n\t"
2684                 "paddb %%mm7, %%mm2                     \n\t"
2685                 "pcmpgtb %%mm6, %%mm2                   \n\t"
2686                 "paddb %%mm2, %%mm0                     \n\t"
2687
2688                 "lea (%%"REG_a", %3, 4), %%"REG_a"      \n\t"
2689
2690                 "movq (%2, %3, 4), %%mm2                \n\t"
2691                 PMAXUB(%%mm2, %%mm4)
2692                 PMINUB(%%mm2, %%mm3, %%mm5)
2693                 "psubb %%mm2, %%mm1                     \n\t"
2694                 "paddb %%mm7, %%mm1                     \n\t"
2695                 "pcmpgtb %%mm6, %%mm1                   \n\t"
2696                 "paddb %%mm1, %%mm0                     \n\t"
2697
2698                 "movq (%%"REG_a"), %%mm1                \n\t"
2699                 PMAXUB(%%mm1, %%mm4)
2700                 PMINUB(%%mm1, %%mm3, %%mm5)
2701                 "psubb %%mm1, %%mm2                     \n\t"
2702                 "paddb %%mm7, %%mm2                     \n\t"
2703                 "pcmpgtb %%mm6, %%mm2                   \n\t"
2704                 "paddb %%mm2, %%mm0                     \n\t"
2705
2706                 "movq (%%"REG_a", %3), %%mm2            \n\t"
2707                 PMAXUB(%%mm2, %%mm4)
2708                 PMINUB(%%mm2, %%mm3, %%mm5)
2709                 "psubb %%mm2, %%mm1                     \n\t"
2710                 "paddb %%mm7, %%mm1                     \n\t"
2711                 "pcmpgtb %%mm6, %%mm1                   \n\t"
2712                 "paddb %%mm1, %%mm0                     \n\t"
2713
2714                 "movq (%%"REG_a", %3, 2), %%mm1         \n\t"
2715                 PMAXUB(%%mm1, %%mm4)
2716                 PMINUB(%%mm1, %%mm3, %%mm5)
2717                 "psubb %%mm1, %%mm2                     \n\t"
2718                 "paddb %%mm7, %%mm2                     \n\t"
2719                 "pcmpgtb %%mm6, %%mm2                   \n\t"
2720                 "paddb %%mm2, %%mm0                     \n\t"
2721
2722                 "movq (%2, %3, 8), %%mm2                \n\t"
2723                 PMAXUB(%%mm2, %%mm4)
2724                 PMINUB(%%mm2, %%mm3, %%mm5)
2725                 "psubb %%mm2, %%mm1                     \n\t"
2726                 "paddb %%mm7, %%mm1                     \n\t"
2727                 "pcmpgtb %%mm6, %%mm1                   \n\t"
2728                 "paddb %%mm1, %%mm0                     \n\t"
2729
2730                 "movq (%%"REG_a", %3, 4), %%mm1         \n\t"
2731                 "psubb %%mm1, %%mm2                     \n\t"
2732                 "paddb %%mm7, %%mm2                     \n\t"
2733                 "pcmpgtb %%mm6, %%mm2                   \n\t"
2734                 "paddb %%mm2, %%mm0                     \n\t"
2735                 "psubusb %%mm3, %%mm4                   \n\t"
2736
2737                 "pxor %%mm6, %%mm6                      \n\t"
2738                 "movq %4, %%mm7                         \n\t" // QP,..., QP
2739                 "paddusb %%mm7, %%mm7                   \n\t" // 2QP ... 2QP
2740                 "psubusb %%mm4, %%mm7                   \n\t" // Diff >=2QP -> 0
2741                 "pcmpeqb %%mm6, %%mm7                   \n\t" // Diff < 2QP -> 0
2742                 "pcmpeqb %%mm6, %%mm7                   \n\t" // Diff < 2QP -> 0
2743                 "movq %%mm7, %1                         \n\t"
2744
2745                 "movq %5, %%mm7                         \n\t"
2746                 "punpcklbw %%mm7, %%mm7                 \n\t"
2747                 "punpcklbw %%mm7, %%mm7                 \n\t"
2748                 "punpcklbw %%mm7, %%mm7                 \n\t"
2749                 "psubb %%mm0, %%mm6                     \n\t"
2750                 "pcmpgtb %%mm7, %%mm6                   \n\t"
2751                 "movq %%mm6, %0                         \n\t"
2752
2753                 : "=m" (eq_mask), "=m" (dc_mask)
2754                 : "r" (src), "r" ((long)step), "m" (c->pQPb), "m"(c->ppMode.flatnessThreshold)
2755                 : "%"REG_a
2756                 );
2757
2758         both_masks = dc_mask & eq_mask;
2759
2760         if(both_masks){
2761                 long offset= -8*step;
2762                 int64_t *temp_sums= sums;
2763
2764                 asm volatile(
2765                 "movq %2, %%mm0                         \n\t"  // QP,..., QP
2766                 "pxor %%mm4, %%mm4                      \n\t"
2767
2768                 "movq (%0), %%mm6                       \n\t"
2769                 "movq (%0, %1), %%mm5                   \n\t"
2770                 "movq %%mm5, %%mm1                      \n\t"
2771                 "movq %%mm6, %%mm2                      \n\t"
2772                 "psubusb %%mm6, %%mm5                   \n\t"
2773                 "psubusb %%mm1, %%mm2                   \n\t"
2774                 "por %%mm5, %%mm2                       \n\t" // ABS Diff of lines
2775                 "psubusb %%mm2, %%mm0                   \n\t" // diff >= QP -> 0
2776                 "pcmpeqb %%mm4, %%mm0                   \n\t" // diff >= QP -> FF
2777
2778                 "pxor %%mm6, %%mm1                      \n\t"
2779                 "pand %%mm0, %%mm1                      \n\t"
2780                 "pxor %%mm1, %%mm6                      \n\t"
2781                 // 0:QP  6:First
2782
2783                 "movq (%0, %1, 8), %%mm5                \n\t"
2784                 "add %1, %0                             \n\t" // %0 points to line 1 not 0
2785                 "movq (%0, %1, 8), %%mm7                \n\t"
2786                 "movq %%mm5, %%mm1                      \n\t"
2787                 "movq %%mm7, %%mm2                      \n\t"
2788                 "psubusb %%mm7, %%mm5                   \n\t"
2789                 "psubusb %%mm1, %%mm2                   \n\t"
2790                 "por %%mm5, %%mm2                       \n\t" // ABS Diff of lines
2791                 "movq %2, %%mm0                         \n\t"  // QP,..., QP
2792                 "psubusb %%mm2, %%mm0                   \n\t" // diff >= QP -> 0
2793                 "pcmpeqb %%mm4, %%mm0                   \n\t" // diff >= QP -> FF
2794
2795                 "pxor %%mm7, %%mm1                      \n\t"
2796                 "pand %%mm0, %%mm1                      \n\t"
2797                 "pxor %%mm1, %%mm7                      \n\t"
2798
2799                 "movq %%mm6, %%mm5                      \n\t"
2800                 "punpckhbw %%mm4, %%mm6                 \n\t"
2801                 "punpcklbw %%mm4, %%mm5                 \n\t"
2802                 // 4:0 5/6:First 7:Last
2803
2804                 "movq %%mm5, %%mm0                      \n\t"
2805                 "movq %%mm6, %%mm1                      \n\t"
2806                 "psllw $2, %%mm0                        \n\t"
2807                 "psllw $2, %%mm1                        \n\t"
2808                 "paddw "MANGLE(w04)", %%mm0             \n\t"
2809                 "paddw "MANGLE(w04)", %%mm1             \n\t"
2810
2811 #define NEXT\
2812                 "movq (%0), %%mm2                       \n\t"\
2813                 "movq (%0), %%mm3                       \n\t"\
2814                 "add %1, %0                             \n\t"\
2815                 "punpcklbw %%mm4, %%mm2                 \n\t"\
2816                 "punpckhbw %%mm4, %%mm3                 \n\t"\
2817                 "paddw %%mm2, %%mm0                     \n\t"\
2818                 "paddw %%mm3, %%mm1                     \n\t"
2819
2820 #define PREV\
2821                 "movq (%0), %%mm2                       \n\t"\
2822                 "movq (%0), %%mm3                       \n\t"\
2823                 "add %1, %0                             \n\t"\
2824                 "punpcklbw %%mm4, %%mm2                 \n\t"\
2825                 "punpckhbw %%mm4, %%mm3                 \n\t"\
2826                 "psubw %%mm2, %%mm0                     \n\t"\
2827                 "psubw %%mm3, %%mm1                     \n\t"
2828
2829
2830                 NEXT //0
2831                 NEXT //1
2832                 NEXT //2
2833                 "movq %%mm0, (%3)                       \n\t"
2834                 "movq %%mm1, 8(%3)                      \n\t"
2835
2836                 NEXT //3
2837                 "psubw %%mm5, %%mm0                     \n\t"
2838                 "psubw %%mm6, %%mm1                     \n\t"
2839                 "movq %%mm0, 16(%3)                     \n\t"
2840                 "movq %%mm1, 24(%3)                     \n\t"
2841
2842                 NEXT //4
2843                 "psubw %%mm5, %%mm0                     \n\t"
2844                 "psubw %%mm6, %%mm1                     \n\t"
2845                 "movq %%mm0, 32(%3)                     \n\t"
2846                 "movq %%mm1, 40(%3)                     \n\t"
2847
2848                 NEXT //5
2849                 "psubw %%mm5, %%mm0                     \n\t"
2850                 "psubw %%mm6, %%mm1                     \n\t"
2851                 "movq %%mm0, 48(%3)                     \n\t"
2852                 "movq %%mm1, 56(%3)                     \n\t"
2853
2854                 NEXT //6
2855                 "psubw %%mm5, %%mm0                     \n\t"
2856                 "psubw %%mm6, %%mm1                     \n\t"
2857                 "movq %%mm0, 64(%3)                     \n\t"
2858                 "movq %%mm1, 72(%3)                     \n\t"
2859
2860                 "movq %%mm7, %%mm6                      \n\t"
2861                 "punpckhbw %%mm4, %%mm7                 \n\t"
2862                 "punpcklbw %%mm4, %%mm6                 \n\t"
2863
2864                 NEXT //7
2865                 "mov %4, %0                             \n\t"
2866                 "add %1, %0                             \n\t"
2867                 PREV //0
2868                 "movq %%mm0, 80(%3)                     \n\t"
2869                 "movq %%mm1, 88(%3)                     \n\t"
2870
2871                 PREV //1
2872                 "paddw %%mm6, %%mm0                     \n\t"
2873                 "paddw %%mm7, %%mm1                     \n\t"
2874                 "movq %%mm0, 96(%3)                     \n\t"
2875                 "movq %%mm1, 104(%3)                    \n\t"
2876
2877                 PREV //2
2878                 "paddw %%mm6, %%mm0                     \n\t"
2879                 "paddw %%mm7, %%mm1                     \n\t"
2880                 "movq %%mm0, 112(%3)                    \n\t"
2881                 "movq %%mm1, 120(%3)                    \n\t"
2882
2883                 PREV //3
2884                 "paddw %%mm6, %%mm0                     \n\t"
2885                 "paddw %%mm7, %%mm1                     \n\t"
2886                 "movq %%mm0, 128(%3)                    \n\t"
2887                 "movq %%mm1, 136(%3)                    \n\t"
2888
2889                 PREV //4
2890                 "paddw %%mm6, %%mm0                     \n\t"
2891                 "paddw %%mm7, %%mm1                     \n\t"
2892                 "movq %%mm0, 144(%3)                    \n\t"
2893                 "movq %%mm1, 152(%3)                    \n\t"
2894
2895                 "mov %4, %0                             \n\t" //FIXME
2896
2897                 : "+&r"(src)
2898                 : "r" ((long)step), "m" (c->pQPb), "r"(sums), "g"(src)
2899                 );
2900
2901                 src+= step; // src points to begin of the 8x8 Block
2902
2903                 asm volatile(
2904                 "movq %4, %%mm6                         \n\t"
2905                 "pcmpeqb %%mm5, %%mm5                   \n\t"
2906                 "pxor %%mm6, %%mm5                      \n\t"
2907                 "pxor %%mm7, %%mm7                      \n\t"
2908
2909                 "1:                                     \n\t"
2910                 "movq (%1), %%mm0                       \n\t"
2911                 "movq 8(%1), %%mm1                      \n\t"
2912                 "paddw 32(%1), %%mm0                    \n\t"
2913                 "paddw 40(%1), %%mm1                    \n\t"
2914                 "movq (%0, %3), %%mm2                   \n\t"
2915                 "movq %%mm2, %%mm3                      \n\t"
2916                 "movq %%mm2, %%mm4                      \n\t"
2917                 "punpcklbw %%mm7, %%mm2                 \n\t"
2918                 "punpckhbw %%mm7, %%mm3                 \n\t"
2919                 "paddw %%mm2, %%mm0                     \n\t"
2920                 "paddw %%mm3, %%mm1                     \n\t"
2921                 "paddw %%mm2, %%mm0                     \n\t"
2922                 "paddw %%mm3, %%mm1                     \n\t"
2923                 "psrlw $4, %%mm0                        \n\t"
2924                 "psrlw $4, %%mm1                        \n\t"
2925                 "packuswb %%mm1, %%mm0                  \n\t"
2926                 "pand %%mm6, %%mm0                      \n\t"
2927                 "pand %%mm5, %%mm4                      \n\t"
2928                 "por %%mm4, %%mm0                       \n\t"
2929                 "movq %%mm0, (%0, %3)                   \n\t"
2930                 "add $16, %1                            \n\t"
2931                 "add %2, %0                             \n\t"
2932                 " js 1b                                 \n\t"
2933
2934                 : "+r"(offset), "+r"(temp_sums)
2935                 : "r" ((long)step), "r"(src - offset), "m"(both_masks)
2936                 );
2937         }else
2938                 src+= step; // src points to begin of the 8x8 Block
2939
2940         if(eq_mask != -1LL){
2941                 uint8_t *temp_src= src;
2942                 asm volatile(
2943                 "pxor %%mm7, %%mm7                      \n\t"
2944                 "lea -40(%%"REG_SP"), %%"REG_c"         \n\t" // make space for 4 8-byte vars
2945                 "and "ALIGN_MASK", %%"REG_c"            \n\t" // align
2946 //      0       1       2       3       4       5       6       7       8       9
2947 //      %0      eax     eax+%1  eax+2%1 %0+4%1  ecx     ecx+%1  ecx+2%1 %1+8%1  ecx+4%1
2948
2949                 "movq (%0), %%mm0                       \n\t"
2950                 "movq %%mm0, %%mm1                      \n\t"
2951                 "punpcklbw %%mm7, %%mm0                 \n\t" // low part of line 0
2952                 "punpckhbw %%mm7, %%mm1                 \n\t" // high part of line 0
2953
2954                 "movq (%0, %1), %%mm2                   \n\t"
2955                 "lea (%0, %1, 2), %%"REG_a"             \n\t"
2956                 "movq %%mm2, %%mm3                      \n\t"
2957                 "punpcklbw %%mm7, %%mm2                 \n\t" // low part of line 1
2958                 "punpckhbw %%mm7, %%mm3                 \n\t" // high part of line 1
2959
2960                 "movq (%%"REG_a"), %%mm4                \n\t"
2961                 "movq %%mm4, %%mm5                      \n\t"
2962                 "punpcklbw %%mm7, %%mm4                 \n\t" // low part of line 2
2963                 "punpckhbw %%mm7, %%mm5                 \n\t" // high part of line 2
2964
2965                 "paddw %%mm0, %%mm0                     \n\t" // 2L0
2966                 "paddw %%mm1, %%mm1                     \n\t" // 2H0
2967                 "psubw %%mm4, %%mm2                     \n\t" // L1 - L2
2968                 "psubw %%mm5, %%mm3                     \n\t" // H1 - H2
2969                 "psubw %%mm2, %%mm0                     \n\t" // 2L0 - L1 + L2
2970                 "psubw %%mm3, %%mm1                     \n\t" // 2H0 - H1 + H2
2971
2972                 "psllw $2, %%mm2                        \n\t" // 4L1 - 4L2
2973                 "psllw $2, %%mm3                        \n\t" // 4H1 - 4H2
2974                 "psubw %%mm2, %%mm0                     \n\t" // 2L0 - 5L1 + 5L2
2975                 "psubw %%mm3, %%mm1                     \n\t" // 2H0 - 5H1 + 5H2
2976
2977                 "movq (%%"REG_a", %1), %%mm2            \n\t"
2978                 "movq %%mm2, %%mm3                      \n\t"
2979                 "punpcklbw %%mm7, %%mm2                 \n\t" // L3
2980                 "punpckhbw %%mm7, %%mm3                 \n\t" // H3
2981
2982                 "psubw %%mm2, %%mm0                     \n\t" // 2L0 - 5L1 + 5L2 - L3
2983                 "psubw %%mm3, %%mm1                     \n\t" // 2H0 - 5H1 + 5H2 - H3
2984                 "psubw %%mm2, %%mm0                     \n\t" // 2L0 - 5L1 + 5L2 - 2L3
2985                 "psubw %%mm3, %%mm1                     \n\t" // 2H0 - 5H1 + 5H2 - 2H3
2986                 "movq %%mm0, (%%"REG_c")                \n\t" // 2L0 - 5L1 + 5L2 - 2L3
2987                 "movq %%mm1, 8(%%"REG_c")               \n\t" // 2H0 - 5H1 + 5H2 - 2H3
2988
2989                 "movq (%%"REG_a", %1, 2), %%mm0         \n\t"
2990                 "movq %%mm0, %%mm1                      \n\t"
2991                 "punpcklbw %%mm7, %%mm0                 \n\t" // L4
2992                 "punpckhbw %%mm7, %%mm1                 \n\t" // H4
2993
2994                 "psubw %%mm0, %%mm2                     \n\t" // L3 - L4
2995                 "psubw %%mm1, %%mm3                     \n\t" // H3 - H4
2996                 "movq %%mm2, 16(%%"REG_c")              \n\t" // L3 - L4
2997                 "movq %%mm3, 24(%%"REG_c")              \n\t" // H3 - H4
2998                 "paddw %%mm4, %%mm4                     \n\t" // 2L2
2999                 "paddw %%mm5, %%mm5                     \n\t" // 2H2
3000                 "psubw %%mm2, %%mm4                     \n\t" // 2L2 - L3 + L4
3001                 "psubw %%mm3, %%mm5                     \n\t" // 2H2 - H3 + H4
3002
3003                 "lea (%%"REG_a", %1), %0                \n\t"
3004                 "psllw $2, %%mm2                        \n\t" // 4L3 - 4L4
3005                 "psllw $2, %%mm3                        \n\t" // 4H3 - 4H4
3006                 "psubw %%mm2, %%mm4                     \n\t" // 2L2 - 5L3 + 5L4
3007                 "psubw %%mm3, %%mm5                     \n\t" // 2H2 - 5H3 + 5H4
3008 //50 opcodes so far
3009                 "movq (%0, %1, 2), %%mm2                \n\t"
3010                 "movq %%mm2, %%mm3                      \n\t"
3011                 "punpcklbw %%mm7, %%mm2                 \n\t" // L5
3012                 "punpckhbw %%mm7, %%mm3                 \n\t" // H5
3013                 "psubw %%mm2, %%mm4                     \n\t" // 2L2 - 5L3 + 5L4 - L5
3014                 "psubw %%mm3, %%mm5                     \n\t" // 2H2 - 5H3 + 5H4 - H5
3015                 "psubw %%mm2, %%mm4                     \n\t" // 2L2 - 5L3 + 5L4 - 2L5
3016                 "psubw %%mm3, %%mm5                     \n\t" // 2H2 - 5H3 + 5H4 - 2H5
3017
3018                 "movq (%%"REG_a", %1, 4), %%mm6         \n\t"
3019                 "punpcklbw %%mm7, %%mm6                 \n\t" // L6
3020                 "psubw %%mm6, %%mm2                     \n\t" // L5 - L6
3021                 "movq (%%"REG_a", %1, 4), %%mm6         \n\t"
3022                 "punpckhbw %%mm7, %%mm6                 \n\t" // H6
3023                 "psubw %%mm6, %%mm3                     \n\t" // H5 - H6
3024
3025                 "paddw %%mm0, %%mm0                     \n\t" // 2L4
3026                 "paddw %%mm1, %%mm1                     \n\t" // 2H4
3027                 "psubw %%mm2, %%mm0                     \n\t" // 2L4 - L5 + L6
3028                 "psubw %%mm3, %%mm1                     \n\t" // 2H4 - H5 + H6
3029
3030                 "psllw $2, %%mm2                        \n\t" // 4L5 - 4L6
3031                 "psllw $2, %%mm3                        \n\t" // 4H5 - 4H6
3032                 "psubw %%mm2, %%mm0                     \n\t" // 2L4 - 5L5 + 5L6
3033                 "psubw %%mm3, %%mm1                     \n\t" // 2H4 - 5H5 + 5H6
3034
3035                 "movq (%0, %1, 4), %%mm2                \n\t"
3036                 "movq %%mm2, %%mm3                      \n\t"
3037                 "punpcklbw %%mm7, %%mm2                 \n\t" // L7
3038                 "punpckhbw %%mm7, %%mm3                 \n\t" // H7
3039
3040                 "paddw %%mm2, %%mm2                     \n\t" // 2L7
3041                 "paddw %%mm3, %%mm3                     \n\t" // 2H7
3042                 "psubw %%mm2, %%mm0                     \n\t" // 2L4 - 5L5 + 5L6 - 2L7
3043                 "psubw %%mm3, %%mm1                     \n\t" // 2H4 - 5H5 + 5H6 - 2H7
3044
3045                 "movq (%%"REG_c"), %%mm2                \n\t" // 2L0 - 5L1 + 5L2 - 2L3
3046                 "movq 8(%%"REG_c"), %%mm3               \n\t" // 2H0 - 5H1 + 5H2 - 2H3
3047
3048 #ifdef HAVE_MMX2
3049                 "movq %%mm7, %%mm6                      \n\t" // 0
3050                 "psubw %%mm0, %%mm6                     \n\t"
3051                 "pmaxsw %%mm6, %%mm0                    \n\t" // |2L4 - 5L5 + 5L6 - 2L7|
3052                 "movq %%mm7, %%mm6                      \n\t" // 0
3053                 "psubw %%mm1, %%mm6                     \n\t"
3054                 "pmaxsw %%mm6, %%mm1                    \n\t" // |2H4 - 5H5 + 5H6 - 2H7|
3055                 "movq %%mm7, %%mm6                      \n\t" // 0
3056                 "psubw %%mm2, %%mm6                     \n\t"
3057                 "pmaxsw %%mm6, %%mm2                    \n\t" // |2L0 - 5L1 + 5L2 - 2L3|
3058                 "movq %%mm7, %%mm6                      \n\t" // 0
3059                 "psubw %%mm3, %%mm6                     \n\t"
3060                 "pmaxsw %%mm6, %%mm3                    \n\t" // |2H0 - 5H1 + 5H2 - 2H3|
3061 #else
3062                 "movq %%mm7, %%mm6                      \n\t" // 0
3063                 "pcmpgtw %%mm0, %%mm6                   \n\t"
3064                 "pxor %%mm6, %%mm0                      \n\t"
3065                 "psubw %%mm6, %%mm0                     \n\t" // |2L4 - 5L5 + 5L6 - 2L7|
3066                 "movq %%mm7, %%mm6                      \n\t" // 0
3067                 "pcmpgtw %%mm1, %%mm6                   \n\t"
3068                 "pxor %%mm6, %%mm1                      \n\t"
3069                 "psubw %%mm6, %%mm1                     \n\t" // |2H4 - 5H5 + 5H6 - 2H7|
3070                 "movq %%mm7, %%mm6                      \n\t" // 0
3071                 "pcmpgtw %%mm2, %%mm6                   \n\t"
3072                 "pxor %%mm6, %%mm2                      \n\t"
3073                 "psubw %%mm6, %%mm2                     \n\t" // |2L0 - 5L1 + 5L2 - 2L3|
3074                 "movq %%mm7, %%mm6                      \n\t" // 0
3075                 "pcmpgtw %%mm3, %%mm6                   \n\t"
3076                 "pxor %%mm6, %%mm3                      \n\t"
3077                 "psubw %%mm6, %%mm3                     \n\t" // |2H0 - 5H1 + 5H2 - 2H3|
3078 #endif
3079
3080 #ifdef HAVE_MMX2
3081                 "pminsw %%mm2, %%mm0                    \n\t"
3082                 "pminsw %%mm3, %%mm1                    \n\t"
3083 #else
3084                 "movq %%mm0, %%mm6                      \n\t"
3085                 "psubusw %%mm2, %%mm6                   \n\t"
3086                 "psubw %%mm6, %%mm0                     \n\t"
3087                 "movq %%mm1, %%mm6                      \n\t"
3088                 "psubusw %%mm3, %%mm6                   \n\t"
3089                 "psubw %%mm6, %%mm1                     \n\t"
3090 #endif
3091
3092                 "movd %2, %%mm2                         \n\t" // QP
3093                 "punpcklbw %%mm7, %%mm2                 \n\t"
3094
3095                 "movq %%mm7, %%mm6                      \n\t" // 0
3096                 "pcmpgtw %%mm4, %%mm6                   \n\t" // sign(2L2 - 5L3 + 5L4 - 2L5)
3097                 "pxor %%mm6, %%mm4                      \n\t"
3098                 "psubw %%mm6, %%mm4                     \n\t" // |2L2 - 5L3 + 5L4 - 2L5|
3099                 "pcmpgtw %%mm5, %%mm7                   \n\t" // sign(2H2 - 5H3 + 5H4 - 2H5)
3100                 "pxor %%mm7, %%mm5                      \n\t"
3101                 "psubw %%mm7, %%mm5                     \n\t" // |2H2 - 5H3 + 5H4 - 2H5|
3102 // 100 opcodes
3103                 "psllw $3, %%mm2                        \n\t" // 8QP
3104                 "movq %%mm2, %%mm3                      \n\t" // 8QP
3105                 "pcmpgtw %%mm4, %%mm2                   \n\t"
3106                 "pcmpgtw %%mm5, %%mm3                   \n\t"
3107                 "pand %%mm2, %%mm4                      \n\t"
3108                 "pand %%mm3, %%mm5                      \n\t"
3109
3110
3111                 "psubusw %%mm0, %%mm4                   \n\t" // hd
3112                 "psubusw %%mm1, %%mm5                   \n\t" // ld
3113
3114
3115                 "movq "MANGLE(w05)", %%mm2              \n\t" // 5
3116                 "pmullw %%mm2, %%mm4                    \n\t"
3117                 "pmullw %%mm2, %%mm5                    \n\t"
3118                 "movq "MANGLE(w20)", %%mm2              \n\t" // 32
3119                 "paddw %%mm2, %%mm4                     \n\t"
3120                 "paddw %%mm2, %%mm5                     \n\t"
3121                 "psrlw $6, %%mm4                        \n\t"
3122                 "psrlw $6, %%mm5                        \n\t"
3123
3124                 "movq 16(%%"REG_c"), %%mm0              \n\t" // L3 - L4
3125                 "movq 24(%%"REG_c"), %%mm1              \n\t" // H3 - H4
3126
3127                 "pxor %%mm2, %%mm2                      \n\t"
3128                 "pxor %%mm3, %%mm3                      \n\t"
3129
3130                 "pcmpgtw %%mm0, %%mm2                   \n\t" // sign (L3-L4)
3131                 "pcmpgtw %%mm1, %%mm3                   \n\t" // sign (H3-H4)
3132                 "pxor %%mm2, %%mm0                      \n\t"
3133                 "pxor %%mm3, %%mm1                      \n\t"
3134                 "psubw %%mm2, %%mm0                     \n\t" // |L3-L4|
3135                 "psubw %%mm3, %%mm1                     \n\t" // |H3-H4|
3136                 "psrlw $1, %%mm0                        \n\t" // |L3 - L4|/2
3137                 "psrlw $1, %%mm1                        \n\t" // |H3 - H4|/2
3138
3139                 "pxor %%mm6, %%mm2                      \n\t"
3140                 "pxor %%mm7, %%mm3                      \n\t"
3141                 "pand %%mm2, %%mm4                      \n\t"
3142                 "pand %%mm3, %%mm5                      \n\t"
3143
3144 #ifdef HAVE_MMX2
3145                 "pminsw %%mm0, %%mm4                    \n\t"
3146                 "pminsw %%mm1, %%mm5                    \n\t"
3147 #else
3148                 "movq %%mm4, %%mm2                      \n\t"
3149                 "psubusw %%mm0, %%mm2                   \n\t"
3150                 "psubw %%mm2, %%mm4                     \n\t"
3151                 "movq %%mm5, %%mm2                      \n\t"
3152                 "psubusw %%mm1, %%mm2                   \n\t"
3153                 "psubw %%mm2, %%mm5                     \n\t"
3154 #endif
3155                 "pxor %%mm6, %%mm4                      \n\t"
3156                 "pxor %%mm7, %%mm5                      \n\t"
3157                 "psubw %%mm6, %%mm4                     \n\t"
3158                 "psubw %%mm7, %%mm5                     \n\t"
3159                 "packsswb %%mm5, %%mm4                  \n\t"
3160                 "movq %3, %%mm1                         \n\t"
3161                 "pandn %%mm4, %%mm1                     \n\t"
3162                 "movq (%0), %%mm0                       \n\t"
3163                 "paddb   %%mm1, %%mm0                   \n\t"
3164                 "movq %%mm0, (%0)                       \n\t"
3165                 "movq (%0, %1), %%mm0                   \n\t"
3166                 "psubb %%mm1, %%mm0                     \n\t"
3167                 "movq %%mm0, (%0, %1)                   \n\t"
3168
3169                 : "+r" (temp_src)
3170                 : "r" ((long)step), "m" (c->pQPb), "m"(eq_mask)
3171                 : "%"REG_a, "%"REG_c
3172                 );
3173         }
3174 /*if(step==16){
3175     STOP_TIMER("step16")
3176 }else{
3177     STOP_TIMER("stepX")
3178 }*/
3179 }
3180 #endif //HAVE_MMX
3181
3182 static void RENAME(postProcess)(uint8_t src[], int srcStride, uint8_t dst[], int dstStride, int width, int height,
3183         QP_STORE_T QPs[], int QPStride, int isColor, PPContext *c);
3184
3185 /**
3186  * Copies a block from src to dst and fixes the blacklevel
3187  * levelFix == 0 -> dont touch the brighness & contrast
3188  */
3189 #undef SCALED_CPY
3190
3191 static inline void RENAME(blockCopy)(uint8_t dst[], int dstStride, uint8_t src[], int srcStride,
3192         int levelFix, int64_t *packedOffsetAndScale)
3193 {
3194 #ifndef HAVE_MMX
3195         int i;
3196 #endif
3197         if(levelFix)
3198         {
3199 #ifdef HAVE_MMX
3200                 asm volatile(
3201                         "movq (%%"REG_a"), %%mm2        \n\t" // packedYOffset
3202                         "movq 8(%%"REG_a"), %%mm3       \n\t" // packedYScale
3203                         "lea (%2,%4), %%"REG_a"         \n\t"
3204                         "lea (%3,%5), %%"REG_d"         \n\t"
3205                         "pxor %%mm4, %%mm4              \n\t"
3206 #ifdef HAVE_MMX2
3207 #define REAL_SCALED_CPY(src1, src2, dst1, dst2)                                                \
3208                         "movq " #src1 ", %%mm0          \n\t"\
3209                         "movq " #src1 ", %%mm5          \n\t"\
3210                         "movq " #src2 ", %%mm1          \n\t"\
3211                         "movq " #src2 ", %%mm6          \n\t"\
3212                         "punpcklbw %%mm0, %%mm0         \n\t"\
3213                         "punpckhbw %%mm5, %%mm5         \n\t"\
3214                         "punpcklbw %%mm1, %%mm1         \n\t"\
3215                         "punpckhbw %%mm6, %%mm6         \n\t"\
3216                         "pmulhuw %%mm3, %%mm0           \n\t"\
3217                         "pmulhuw %%mm3, %%mm5           \n\t"\
3218                         "pmulhuw %%mm3, %%mm1           \n\t"\
3219                         "pmulhuw %%mm3, %%mm6           \n\t"\
3220                         "psubw %%mm2, %%mm0             \n\t"\
3221                         "psubw %%mm2, %%mm5             \n\t"\
3222                         "psubw %%mm2, %%mm1             \n\t"\
3223                         "psubw %%mm2, %%mm6             \n\t"\
3224                         "packuswb %%mm5, %%mm0          \n\t"\
3225                         "packuswb %%mm6, %%mm1          \n\t"\
3226                         "movq %%mm0, " #dst1 "          \n\t"\
3227                         "movq %%mm1, " #dst2 "          \n\t"\
3228
3229 #else //HAVE_MMX2
3230 #define REAL_SCALED_CPY(src1, src2, dst1, dst2)                                        \
3231                         "movq " #src1 ", %%mm0          \n\t"\
3232                         "movq " #src1 ", %%mm5          \n\t"\
3233                         "punpcklbw %%mm4, %%mm0         \n\t"\
3234                         "punpckhbw %%mm4, %%mm5         \n\t"\
3235                         "psubw %%mm2, %%mm0             \n\t"\
3236                         "psubw %%mm2, %%mm5             \n\t"\
3237                         "movq " #src2 ", %%mm1          \n\t"\
3238                         "psllw $6, %%mm0                \n\t"\
3239                         "psllw $6, %%mm5                \n\t"\
3240                         "pmulhw %%mm3, %%mm0            \n\t"\
3241                         "movq " #src2 ", %%mm6          \n\t"\
3242                         "pmulhw %%mm3, %%mm5            \n\t"\
3243                         "punpcklbw %%mm4, %%mm1         \n\t"\
3244                         "punpckhbw %%mm4, %%mm6         \n\t"\
3245                         "psubw %%mm2, %%mm1             \n\t"\
3246                         "psubw %%mm2, %%mm6             \n\t"\
3247                         "psllw $6, %%mm1                \n\t"\
3248                         "psllw $6, %%mm6                \n\t"\
3249                         "pmulhw %%mm3, %%mm1            \n\t"\
3250                         "pmulhw %%mm3, %%mm6            \n\t"\
3251                         "packuswb %%mm5, %%mm0          \n\t"\
3252                         "packuswb %%mm6, %%mm1          \n\t"\
3253                         "movq %%mm0, " #dst1 "          \n\t"\
3254                         "movq %%mm1, " #dst2 "          \n\t"\
3255
3256 #endif //HAVE_MMX2
3257 #define SCALED_CPY(src1, src2, dst1, dst2)\
3258    REAL_SCALED_CPY(src1, src2, dst1, dst2)
3259
3260 SCALED_CPY((%2)       , (%2, %4)      , (%3)       , (%3, %5))
3261 SCALED_CPY((%2, %4, 2), (%%REGa, %4, 2), (%3, %5, 2), (%%REGd, %5, 2))
3262 SCALED_CPY((%2, %4, 4), (%%REGa, %4, 4), (%3, %5, 4), (%%REGd, %5, 4))
3263                         "lea (%%"REG_a",%4,4), %%"REG_a"        \n\t"
3264                         "lea (%%"REG_d",%5,4), %%"REG_d"        \n\t"
3265 SCALED_CPY((%%REGa, %4), (%%REGa, %4, 2), (%%REGd, %5), (%%REGd, %5, 2))
3266
3267
3268                         : "=&a" (packedOffsetAndScale)
3269                         : "0" (packedOffsetAndScale),
3270                         "r"(src),
3271                         "r"(dst),
3272                         "r" ((long)srcStride),
3273                         "r" ((long)dstStride)
3274                         : "%"REG_d
3275                                         );
3276 #else //HAVE_MMX
3277         for(i=0; i<8; i++)
3278                 memcpy( &(dst[dstStride*i]),
3279                         &(src[srcStride*i]), BLOCK_SIZE);
3280 #endif //HAVE_MMX
3281         }
3282         else
3283         {
3284 #ifdef HAVE_MMX
3285         asm volatile(
3286                 "lea (%0,%2), %%"REG_a"                 \n\t"
3287                 "lea (%1,%3), %%"REG_d"                 \n\t"
3288
3289 #define REAL_SIMPLE_CPY(src1, src2, dst1, dst2)                              \
3290                 "movq " #src1 ", %%mm0          \n\t"\
3291                 "movq " #src2 ", %%mm1          \n\t"\
3292                 "movq %%mm0, " #dst1 "          \n\t"\
3293                 "movq %%mm1, " #dst2 "          \n\t"\
3294
3295 #define SIMPLE_CPY(src1, src2, dst1, dst2)\
3296    REAL_SIMPLE_CPY(src1, src2, dst1, dst2)
3297
3298 SIMPLE_CPY((%0)       , (%0, %2)       , (%1)       , (%1, %3))
3299 SIMPLE_CPY((%0, %2, 2), (%%REGa, %2, 2), (%1, %3, 2), (%%REGd, %3, 2))
3300 SIMPLE_CPY((%0, %2, 4), (%%REGa, %2, 4), (%1, %3, 4), (%%REGd, %3, 4))
3301                 "lea (%%"REG_a",%2,4), %%"REG_a"        \n\t"
3302                 "lea (%%"REG_d",%3,4), %%"REG_d"        \n\t"
3303 SIMPLE_CPY((%%REGa, %2), (%%REGa, %2, 2), (%%REGd, %3), (%%REGd, %3, 2))
3304
3305                 : : "r" (src),
3306                 "r" (dst),
3307                 "r" ((long)srcStride),
3308                 "r" ((long)dstStride)
3309                 : "%"REG_a, "%"REG_d
3310         );
3311 #else //HAVE_MMX
3312         for(i=0; i<8; i++)
3313                 memcpy( &(dst[dstStride*i]),
3314                         &(src[srcStride*i]), BLOCK_SIZE);
3315 #endif //HAVE_MMX
3316         }
3317 }
3318
3319 /**
3320  * Duplicates the given 8 src pixels ? times upward
3321  */
3322 static inline void RENAME(duplicate)(uint8_t src[], int stride)
3323 {
3324 #ifdef HAVE_MMX
3325         asm volatile(
3326                 "movq (%0), %%mm0               \n\t"
3327                 "add %1, %0                     \n\t"
3328                 "movq %%mm0, (%0)               \n\t"
3329                 "movq %%mm0, (%0, %1)           \n\t"
3330                 "movq %%mm0, (%0, %1, 2)        \n\t"
3331                 : "+r" (src)
3332                 : "r" ((long)-stride)
3333         );
3334 #else
3335         int i;
3336         uint8_t *p=src;
3337         for(i=0; i<3; i++)
3338         {
3339                 p-= stride;
3340                 memcpy(p, src, 8);
3341         }
3342 #endif
3343 }
3344
3345 /**
3346  * Filters array of bytes (Y or U or V values)
3347  */
3348 static void RENAME(postProcess)(uint8_t src[], int srcStride, uint8_t dst[], int dstStride, int width, int height,
3349         QP_STORE_T QPs[], int QPStride, int isColor, PPContext *c2)
3350 {
3351         PPContext __attribute__((aligned(8))) c= *c2; //copy to stack for faster access
3352         int x,y;
3353 #ifdef COMPILE_TIME_MODE
3354         const int mode= COMPILE_TIME_MODE;
3355 #else
3356         const int mode= isColor ? c.ppMode.chromMode : c.ppMode.lumMode;
3357 #endif
3358         int black=0, white=255; // blackest black and whitest white in the picture
3359         int QPCorrecture= 256*256;
3360
3361         int copyAhead;
3362 #ifdef HAVE_MMX
3363         int i;
3364 #endif
3365
3366         const int qpHShift= isColor ? 4-c.hChromaSubSample : 4;
3367         const int qpVShift= isColor ? 4-c.vChromaSubSample : 4;
3368
3369         //FIXME remove
3370         uint64_t * const yHistogram= c.yHistogram;
3371         uint8_t * const tempSrc= srcStride > 0 ? c.tempSrc : c.tempSrc - 23*srcStride;
3372         uint8_t * const tempDst= dstStride > 0 ? c.tempDst : c.tempDst - 23*dstStride;
3373         //const int mbWidth= isColor ? (width+7)>>3 : (width+15)>>4;
3374
3375 #ifdef HAVE_MMX
3376         for(i=0; i<57; i++){
3377                 int offset= ((i*c.ppMode.baseDcDiff)>>8) + 1;
3378                 int threshold= offset*2 + 1;
3379                 c.mmxDcOffset[i]= 0x7F - offset;
3380                 c.mmxDcThreshold[i]= 0x7F - threshold;
3381                 c.mmxDcOffset[i]*= 0x0101010101010101LL;
3382                 c.mmxDcThreshold[i]*= 0x0101010101010101LL;
3383         }
3384 #endif
3385
3386         if(mode & CUBIC_IPOL_DEINT_FILTER) copyAhead=16;
3387         else if(   (mode & LINEAR_BLEND_DEINT_FILTER)
3388                 || (mode & FFMPEG_DEINT_FILTER)
3389                 || (mode & LOWPASS5_DEINT_FILTER)) copyAhead=14;
3390         else if(   (mode & V_DEBLOCK)
3391                 || (mode & LINEAR_IPOL_DEINT_FILTER)
3392                 || (mode & MEDIAN_DEINT_FILTER)
3393                 || (mode & V_A_DEBLOCK)) copyAhead=13;
3394         else if(mode & V_X1_FILTER) copyAhead=11;
3395 //        else if(mode & V_RK1_FILTER) copyAhead=10;
3396         else if(mode & DERING) copyAhead=9;
3397         else copyAhead=8;
3398
3399         copyAhead-= 8;
3400
3401         if(!isColor)
3402         {
3403                 uint64_t sum= 0;
3404                 int i;
3405                 uint64_t maxClipped;
3406                 uint64_t clipped;
3407                 double scale;
3408
3409                 c.frameNum++;
3410                 // first frame is fscked so we ignore it
3411                 if(c.frameNum == 1) yHistogram[0]= width*height/64*15/256;
3412
3413                 for(i=0; i<256; i++)
3414                 {
3415                         sum+= yHistogram[i];
3416 //                        printf("%d ", yHistogram[i]);
3417                 }
3418 //                printf("\n\n");
3419
3420                 /* we allways get a completly black picture first */
3421                 maxClipped= (uint64_t)(sum * c.ppMode.maxClippedThreshold);
3422
3423                 clipped= sum;
3424                 for(black=255; black>0; black--)
3425                 {
3426                         if(clipped < maxClipped) break;
3427                         clipped-= yHistogram[black];
3428                 }
3429
3430                 clipped= sum;
3431                 for(white=0; white<256; white++)
3432                 {
3433                         if(clipped < maxClipped) break;
3434                         clipped-= yHistogram[white];
3435                 }
3436
3437                 scale= (double)(c.ppMode.maxAllowedY - c.ppMode.minAllowedY) / (double)(white-black);
3438
3439 #ifdef HAVE_MMX2
3440                 c.packedYScale= (uint16_t)(scale*256.0 + 0.5);
3441                 c.packedYOffset= (((black*c.packedYScale)>>8) - c.ppMode.minAllowedY) & 0xFFFF;
3442 #else
3443                 c.packedYScale= (uint16_t)(scale*1024.0 + 0.5);
3444                 c.packedYOffset= (black - c.ppMode.minAllowedY) & 0xFFFF;
3445 #endif
3446
3447                 c.packedYOffset|= c.packedYOffset<<32;
3448                 c.packedYOffset|= c.packedYOffset<<16;
3449
3450                 c.packedYScale|= c.packedYScale<<32;
3451                 c.packedYScale|= c.packedYScale<<16;
3452
3453                 if(mode & LEVEL_FIX)        QPCorrecture= (int)(scale*256*256 + 0.5);
3454                 else                        QPCorrecture= 256*256;
3455         }
3456         else
3457         {
3458                 c.packedYScale= 0x0100010001000100LL;
3459                 c.packedYOffset= 0;
3460                 QPCorrecture= 256*256;
3461         }
3462
3463         /* copy & deinterlace first row of blocks */
3464         y=-BLOCK_SIZE;
3465         {
3466                 uint8_t *srcBlock= &(src[y*srcStride]);
3467                 uint8_t *dstBlock= tempDst + dstStride;
3468
3469                 // From this point on it is guranteed that we can read and write 16 lines downward
3470                 // finish 1 block before the next otherwise we might have a problem
3471                 // with the L1 Cache of the P4 ... or only a few blocks at a time or soemthing
3472                 for(x=0; x<width; x+=BLOCK_SIZE)
3473                 {
3474
3475 #ifdef HAVE_MMX2
3476 /*
3477                         prefetchnta(srcBlock + (((x>>2)&6) + 5)*srcStride + 32);
3478                         prefetchnta(srcBlock + (((x>>2)&6) + 6)*srcStride + 32);
3479                         prefetcht0(dstBlock + (((x>>2)&6) + 5)*dstStride + 32);
3480                         prefetcht0(dstBlock + (((x>>2)&6) + 6)*dstStride + 32);
3481 */
3482
3483                         asm(
3484                                 "mov %4, %%"REG_a"              \n\t"
3485                                 "shr $2, %%"REG_a"              \n\t"
3486                                 "and $6, %%"REG_a"              \n\t"
3487                                 "add %5, %%"REG_a"              \n\t"
3488                                 "mov %%"REG_a", %%"REG_d"       \n\t"
3489                                 "imul %1, %%"REG_a"             \n\t"
3490                                 "imul %3, %%"REG_d"             \n\t"
3491                                 "prefetchnta 32(%%"REG_a", %0)  \n\t"
3492                                 "prefetcht0 32(%%"REG_d", %2)   \n\t"
3493                                 "add %1, %%"REG_a"              \n\t"
3494                                 "add %3, %%"REG_d"              \n\t"
3495                                 "prefetchnta 32(%%"REG_a", %0)  \n\t"
3496                                 "prefetcht0 32(%%"REG_d", %2)   \n\t"
3497                         :: "r" (srcBlock), "r" ((long)srcStride), "r" (dstBlock), "r" ((long)dstStride),
3498                         "g" ((long)x), "g" ((long)copyAhead)
3499                         : "%"REG_a, "%"REG_d
3500                         );
3501
3502 #elif defined(HAVE_3DNOW)
3503 //FIXME check if this is faster on an 3dnow chip or if its faster without the prefetch or ...
3504 /*                        prefetch(srcBlock + (((x>>3)&3) + 5)*srcStride + 32);
3505                         prefetch(srcBlock + (((x>>3)&3) + 9)*srcStride + 32);
3506                         prefetchw(dstBlock + (((x>>3)&3) + 5)*dstStride + 32);
3507                         prefetchw(dstBlock + (((x>>3)&3) + 9)*dstStride + 32);
3508 */
3509 #endif
3510
3511                         RENAME(blockCopy)(dstBlock + dstStride*8, dstStride,
3512                                 srcBlock + srcStride*8, srcStride, mode & LEVEL_FIX, &c.packedYOffset);
3513
3514                         RENAME(duplicate)(dstBlock + dstStride*8, dstStride);
3515
3516                         if(mode & LINEAR_IPOL_DEINT_FILTER)
3517                                 RENAME(deInterlaceInterpolateLinear)(dstBlock, dstStride);
3518                         else if(mode & LINEAR_BLEND_DEINT_FILTER)
3519                                 RENAME(deInterlaceBlendLinear)(dstBlock, dstStride, c.deintTemp + x);
3520                         else if(mode & MEDIAN_DEINT_FILTER)
3521                                 RENAME(deInterlaceMedian)(dstBlock, dstStride);
3522                         else if(mode & CUBIC_IPOL_DEINT_FILTER)
3523                                 RENAME(deInterlaceInterpolateCubic)(dstBlock, dstStride);
3524                         else if(mode & FFMPEG_DEINT_FILTER)
3525                                 RENAME(deInterlaceFF)(dstBlock, dstStride, c.deintTemp + x);
3526                         else if(mode & LOWPASS5_DEINT_FILTER)
3527                                 RENAME(deInterlaceL5)(dstBlock, dstStride, c.deintTemp + x, c.deintTemp + width + x);
3528 /*                        else if(mode & CUBIC_BLEND_DEINT_FILTER)
3529                                 RENAME(deInterlaceBlendCubic)(dstBlock, dstStride);
3530 */
3531                         dstBlock+=8;
3532                         srcBlock+=8;
3533                 }
3534                 if(width==ABS(dstStride))
3535                         linecpy(dst, tempDst + 9*dstStride, copyAhead, dstStride);
3536                 else
3537                 {
3538                         int i;
3539                         for(i=0; i<copyAhead; i++)
3540                         {
3541                                 memcpy(dst + i*dstStride, tempDst + (9+i)*dstStride, width);
3542                         }
3543                 }
3544         }
3545
3546 //printf("\n");
3547         for(y=0; y<height; y+=BLOCK_SIZE)
3548         {
3549                 //1% speedup if these are here instead of the inner loop
3550                 uint8_t *srcBlock= &(src[y*srcStride]);
3551                 uint8_t *dstBlock= &(dst[y*dstStride]);
3552 #ifdef HAVE_MMX
3553                 uint8_t *tempBlock1= c.tempBlocks;
3554                 uint8_t *tempBlock2= c.tempBlocks + 8;
3555 #endif
3556                 int8_t *QPptr= &QPs[(y>>qpVShift)*QPStride];
3557                 int8_t *nonBQPptr= &c.nonBQPTable[(y>>qpVShift)*ABS(QPStride)];
3558                 int QP=0;
3559                 /* can we mess with a 8x16 block from srcBlock/dstBlock downwards and 1 line upwards
3560                    if not than use a temporary buffer */
3561                 if(y+15 >= height)
3562                 {
3563                         int i;
3564                         /* copy from line (copyAhead) to (copyAhead+7) of src, these will be copied with
3565                            blockcopy to dst later */
3566                         linecpy(tempSrc + srcStride*copyAhead, srcBlock + srcStride*copyAhead,
3567                                 MAX(height-y-copyAhead, 0), srcStride);
3568
3569                         /* duplicate last line of src to fill the void upto line (copyAhead+7) */
3570                         for(i=MAX(height-y, 8); i<copyAhead+8; i++)
3571                                 memcpy(tempSrc + srcStride*i, src + srcStride*(height-1), ABS(srcStride));
3572
3573                         /* copy up to (copyAhead+1) lines of dst (line -1 to (copyAhead-1))*/
3574                         linecpy(tempDst, dstBlock - dstStride, MIN(height-y+1, copyAhead+1), dstStride);
3575
3576                         /* duplicate last line of dst to fill the void upto line (copyAhead) */
3577                         for(i=height-y+1; i<=copyAhead; i++)
3578                                 memcpy(tempDst + dstStride*i, dst + dstStride*(height-1), ABS(dstStride));
3579
3580                         dstBlock= tempDst + dstStride;
3581                         srcBlock= tempSrc;
3582                 }
3583 //printf("\n");
3584
3585                 // From this point on it is guranteed that we can read and write 16 lines downward
3586                 // finish 1 block before the next otherwise we might have a problem
3587                 // with the L1 Cache of the P4 ... or only a few blocks at a time or soemthing
3588                 for(x=0; x<width; x+=BLOCK_SIZE)
3589                 {
3590                         const int stride= dstStride;
3591 #ifdef HAVE_MMX
3592                         uint8_t *tmpXchg;
3593 #endif
3594                         if(isColor)
3595                         {
3596                                 QP= QPptr[x>>qpHShift];
3597                                 c.nonBQP= nonBQPptr[x>>qpHShift];
3598                         }
3599                         else
3600                         {
3601                                 QP= QPptr[x>>4];
3602                                 QP= (QP* QPCorrecture + 256*128)>>16;
3603                                 c.nonBQP= nonBQPptr[x>>4];
3604                                 c.nonBQP= (c.nonBQP* QPCorrecture + 256*128)>>16;
3605                                 yHistogram[ srcBlock[srcStride*12 + 4] ]++;
3606                         }
3607                         c.QP= QP;
3608 #ifdef HAVE_MMX
3609                         asm volatile(
3610                                 "movd %1, %%mm7         \n\t"
3611                                 "packuswb %%mm7, %%mm7  \n\t" // 0, 0, 0, QP, 0, 0, 0, QP
3612                                 "packuswb %%mm7, %%mm7  \n\t" // 0,QP, 0, QP, 0,QP, 0, QP
3613                                 "packuswb %%mm7, %%mm7  \n\t" // QP,..., QP
3614                                 "movq %%mm7, %0         \n\t"
3615                                 : "=m" (c.pQPb)
3616                                 : "r" (QP)
3617                         );
3618 #endif
3619
3620
3621 #ifdef HAVE_MMX2
3622 /*
3623                         prefetchnta(srcBlock + (((x>>2)&6) + 5)*srcStride + 32);
3624                         prefetchnta(srcBlock + (((x>>2)&6) + 6)*srcStride + 32);
3625                         prefetcht0(dstBlock + (((x>>2)&6) + 5)*dstStride + 32);
3626                         prefetcht0(dstBlock + (((x>>2)&6) + 6)*dstStride + 32);
3627 */
3628
3629                         asm(
3630                                 "mov %4, %%"REG_a"              \n\t"
3631                                 "shr $2, %%"REG_a"              \n\t"
3632                                 "and $6, %%"REG_a"              \n\t"
3633                                 "add %5, %%"REG_a"              \n\t"
3634                                 "mov %%"REG_a", %%"REG_d"       \n\t"
3635                                 "imul %1, %%"REG_a"             \n\t"
3636                                 "imul %3, %%"REG_d"             \n\t"
3637                                 "prefetchnta 32(%%"REG_a", %0)  \n\t"
3638                                 "prefetcht0 32(%%"REG_d", %2)   \n\t"
3639                                 "add %1, %%"REG_a"              \n\t"
3640                                 "add %3, %%"REG_d"              \n\t"
3641                                 "prefetchnta 32(%%"REG_a", %0)  \n\t"
3642                                 "prefetcht0 32(%%"REG_d", %2)   \n\t"
3643                         :: "r" (srcBlock), "r" ((long)srcStride), "r" (dstBlock), "r" ((long)dstStride),
3644                          "g" ((long)x), "g" ((long)copyAhead)
3645                         : "%"REG_a, "%"REG_d
3646                         );
3647
3648 #elif defined(HAVE_3DNOW)
3649 //FIXME check if this is faster on an 3dnow chip or if its faster without the prefetch or ...
3650 /*                        prefetch(srcBlock + (((x>>3)&3) + 5)*srcStride + 32);
3651                         prefetch(srcBlock + (((x>>3)&3) + 9)*srcStride + 32);
3652                         prefetchw(dstBlock + (((x>>3)&3) + 5)*dstStride + 32);
3653                         prefetchw(dstBlock + (((x>>3)&3) + 9)*dstStride + 32);
3654 */
3655 #endif
3656
3657                         RENAME(blockCopy)(dstBlock + dstStride*copyAhead, dstStride,
3658                                 srcBlock + srcStride*copyAhead, srcStride, mode & LEVEL_FIX, &c.packedYOffset);
3659
3660                         if(mode & LINEAR_IPOL_DEINT_FILTER)
3661                                 RENAME(deInterlaceInterpolateLinear)(dstBlock, dstStride);
3662                         else if(mode & LINEAR_BLEND_DEINT_FILTER)
3663                                 RENAME(deInterlaceBlendLinear)(dstBlock, dstStride, c.deintTemp + x);
3664                         else if(mode & MEDIAN_DEINT_FILTER)
3665                                 RENAME(deInterlaceMedian)(dstBlock, dstStride);
3666                         else if(mode & CUBIC_IPOL_DEINT_FILTER)
3667                                 RENAME(deInterlaceInterpolateCubic)(dstBlock, dstStride);
3668                         else if(mode & FFMPEG_DEINT_FILTER)
3669                                 RENAME(deInterlaceFF)(dstBlock, dstStride, c.deintTemp + x);
3670                         else if(mode & LOWPASS5_DEINT_FILTER)
3671                                 RENAME(deInterlaceL5)(dstBlock, dstStride, c.deintTemp + x, c.deintTemp + width + x);
3672 /*                        else if(mode & CUBIC_BLEND_DEINT_FILTER)
3673                                 RENAME(deInterlaceBlendCubic)(dstBlock, dstStride);
3674 */
3675
3676                         /* only deblock if we have 2 blocks */
3677                         if(y + 8 < height)
3678                         {
3679                                 if(mode & V_X1_FILTER)
3680                                         RENAME(vertX1Filter)(dstBlock, stride, &c);
3681                                 else if(mode & V_DEBLOCK)
3682                                 {
3683                                         const int t= RENAME(vertClassify)(dstBlock, stride, &c);
3684
3685                                         if(t==1)
3686                                                 RENAME(doVertLowPass)(dstBlock, stride, &c);
3687                                         else if(t==2)
3688                                                 RENAME(doVertDefFilter)(dstBlock, stride, &c);
3689                                 }else if(mode & V_A_DEBLOCK){
3690                                         RENAME(do_a_deblock)(dstBlock, stride, 1, &c);
3691                                 }
3692                         }
3693
3694 #ifdef HAVE_MMX
3695                         RENAME(transpose1)(tempBlock1, tempBlock2, dstBlock, dstStride);
3696 #endif
3697                         /* check if we have a previous block to deblock it with dstBlock */
3698                         if(x - 8 >= 0)
3699                         {
3700 #ifdef HAVE_MMX
3701                                 if(mode & H_X1_FILTER)
3702                                         RENAME(vertX1Filter)(tempBlock1, 16, &c);
3703                                 else if(mode & H_DEBLOCK)
3704                                 {
3705 //START_TIMER
3706                                         const int t= RENAME(vertClassify)(tempBlock1, 16, &c);
3707 //STOP_TIMER("dc & minmax")
3708                                         if(t==1)
3709                                                 RENAME(doVertLowPass)(tempBlock1, 16, &c);
3710                                         else if(t==2)
3711                                                 RENAME(doVertDefFilter)(tempBlock1, 16, &c);
3712                                 }else if(mode & H_A_DEBLOCK){
3713                                         RENAME(do_a_deblock)(tempBlock1, 16, 1, &c);
3714                                 }
3715
3716                                 RENAME(transpose2)(dstBlock-4, dstStride, tempBlock1 + 4*16);
3717
3718 #else
3719                                 if(mode & H_X1_FILTER)
3720                                         horizX1Filter(dstBlock-4, stride, QP);
3721                                 else if(mode & H_DEBLOCK)
3722                                 {
3723 #ifdef HAVE_ALTIVEC
3724                                         unsigned char __attribute__ ((aligned(16))) tempBlock[272];
3725                                         transpose_16x8_char_toPackedAlign_altivec(tempBlock, dstBlock - (4 + 1), stride);
3726
3727                                         const int t=vertClassify_altivec(tempBlock-48, 16, &c);
3728                                         if(t==1) {
3729                                                 doVertLowPass_altivec(tempBlock-48, 16, &c);
3730                                                 transpose_8x16_char_fromPackedAlign_altivec(dstBlock - (4 + 1), tempBlock, stride);
3731                                         }
3732                                         else if(t==2) {
3733                                                 doVertDefFilter_altivec(tempBlock-48, 16, &c);
3734                                                 transpose_8x16_char_fromPackedAlign_altivec(dstBlock - (4 + 1), tempBlock, stride);
3735                                         }
3736 #else
3737                                         const int t= RENAME(horizClassify)(dstBlock-4, stride, &c);
3738
3739                                         if(t==1)
3740                                                 RENAME(doHorizLowPass)(dstBlock-4, stride, &c);
3741                                         else if(t==2)
3742                                                 RENAME(doHorizDefFilter)(dstBlock-4, stride, &c);
3743 #endif
3744                                 }else if(mode & H_A_DEBLOCK){
3745                                         RENAME(do_a_deblock)(dstBlock-8, 1, stride, &c);
3746                                 }
3747 #endif //HAVE_MMX
3748                                 if(mode & DERING)
3749                                 {
3750                                 //FIXME filter first line
3751                                         if(y>0) RENAME(dering)(dstBlock - stride - 8, stride, &c);
3752                                 }
3753
3754                                 if(mode & TEMP_NOISE_FILTER)
3755                                 {
3756                                         RENAME(tempNoiseReducer)(dstBlock-8, stride,
3757                                                 c.tempBlured[isColor] + y*dstStride + x,
3758                                                 c.tempBluredPast[isColor] + (y>>3)*256 + (x>>3),
3759                                                 c.ppMode.maxTmpNoise);
3760                                 }
3761                         }
3762
3763                         dstBlock+=8;
3764                         srcBlock+=8;
3765
3766 #ifdef HAVE_MMX
3767                         tmpXchg= tempBlock1;
3768                         tempBlock1= tempBlock2;
3769                         tempBlock2 = tmpXchg;
3770 #endif
3771                 }
3772
3773                 if(mode & DERING)
3774                 {
3775                                 if(y > 0) RENAME(dering)(dstBlock - dstStride - 8, dstStride, &c);
3776                 }
3777
3778                 if((mode & TEMP_NOISE_FILTER))
3779                 {
3780                         RENAME(tempNoiseReducer)(dstBlock-8, dstStride,
3781                                 c.tempBlured[isColor] + y*dstStride + x,
3782                                 c.tempBluredPast[isColor] + (y>>3)*256 + (x>>3),
3783                                 c.ppMode.maxTmpNoise);
3784                 }
3785
3786                 /* did we use a tmp buffer for the last lines*/
3787                 if(y+15 >= height)
3788                 {
3789                         uint8_t *dstBlock= &(dst[y*dstStride]);
3790                         if(width==ABS(dstStride))
3791                                 linecpy(dstBlock, tempDst + dstStride, height-y, dstStride);
3792                         else
3793                         {
3794                                 int i;
3795                                 for(i=0; i<height-y; i++)
3796                                 {
3797                                         memcpy(dstBlock + i*dstStride, tempDst + (i+1)*dstStride, width);
3798                                 }
3799                         }
3800                 }
3801 /*
3802                 for(x=0; x<width; x+=32)
3803                 {
3804                         volatile int i;
3805                         i+=        + dstBlock[x + 7*dstStride] + dstBlock[x + 8*dstStride]
3806                                 + dstBlock[x + 9*dstStride] + dstBlock[x +10*dstStride]
3807                                 + dstBlock[x +11*dstStride] + dstBlock[x +12*dstStride];
3808 //                                + dstBlock[x +13*dstStride]
3809 //                                + dstBlock[x +14*dstStride] + dstBlock[x +15*dstStride];
3810                 }*/
3811         }
3812 #ifdef HAVE_3DNOW
3813         asm volatile("femms");
3814 #elif defined (HAVE_MMX)
3815         asm volatile("emms");
3816 #endif
3817
3818 #ifdef DEBUG_BRIGHTNESS
3819         if(!isColor)
3820         {
3821                 int max=1;
3822                 int i;
3823                 for(i=0; i<256; i++)
3824                         if(yHistogram[i] > max) max=yHistogram[i];
3825
3826                 for(i=1; i<256; i++)
3827                 {
3828                         int x;
3829                         int start=yHistogram[i-1]/(max/256+1);
3830                         int end=yHistogram[i]/(max/256+1);
3831                         int inc= end > start ? 1 : -1;
3832                         for(x=start; x!=end+inc; x+=inc)
3833                                 dst[ i*dstStride + x]+=128;
3834                 }
3835
3836                 for(i=0; i<100; i+=2)
3837                 {
3838                         dst[ (white)*dstStride + i]+=128;
3839                         dst[ (black)*dstStride + i]+=128;
3840                 }
3841
3842         }
3843 #endif
3844
3845         *c2= c; //copy local context back
3846
3847 }