libavcodec/sh4/dsputil_align.c

   1 /*
   2  * aligned/packed access motion
   3  *
   4  * Copyright (c) 2001-2003 BERO <bero@geocities.co.jp>
   5  *
   6  * This file is part of FFmpeg.
   7  *
   8  * FFmpeg is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * FFmpeg is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with FFmpeg; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  21  */
  22
  23
  24 #include "libavcodec/avcodec.h"
  25 #include "libavcodec/dsputil.h"
  26
  27
  28 #define         LP(p)           *(uint32_t*)(p)
  29
  30
  31 #define         UNPACK(ph,pl,tt0,tt1) do { \
  32         uint32_t t0,t1; t0=tt0;t1=tt1; \
  33         ph = ( (t0 & ~BYTE_VEC32(0x03))>>2) + ( (t1 & ~BYTE_VEC32(0x03))>>2); \
  34         pl = (t0 & BYTE_VEC32(0x03)) + (t1 & BYTE_VEC32(0x03)); } while(0)
  35
  36 #define         rnd_PACK(ph,pl,nph,npl) ph + nph + (((pl + npl + BYTE_VEC32(0x02))>>2) & BYTE_VEC32(0x03))
  37 #define         no_rnd_PACK(ph,pl,nph,npl)      ph + nph + (((pl + npl + BYTE_VEC32(0x01))>>2) & BYTE_VEC32(0x03))
  38
  39 /* little endian */
  40 #define         MERGE1(a,b,ofs) (ofs==0)?a:( ((a)>>(8*ofs))|((b)<<(32-8*ofs)) )
  41 #define         MERGE2(a,b,ofs) (ofs==3)?b:( ((a)>>(8*(ofs+1)))|((b)<<(32-8*(ofs+1))) )
  42 /* big
  43 #define         MERGE1(a,b,ofs) (ofs==0)?a:( ((a)<<(8*ofs))|((b)>>(32-8*ofs)) )
  44 #define         MERGE2(a,b,ofs) (ofs==3)?b:( ((a)<<(8+8*ofs))|((b)>>(32-8-8*ofs)) )
  45 */
  46
  47
  48 #define         put(d,s)        d = s
  49 #define         avg(d,s)        d = rnd_avg32(s,d)
  50
  51 #define         OP_C4(ofs) \
  52         ref-=ofs; \
  53         do { \
  54                 OP(LP(dest),MERGE1(LP(ref),LP(ref+4),ofs)); \
  55                 ref+=stride; \
  56                 dest+=stride; \
  57         } while(--height)
  58
  59 #define        OP_C40() \
  60         do { \
  61                 OP(LP(dest),LP(ref)); \
  62                 ref+=stride; \
  63                 dest+=stride; \
  64         } while(--height)
  65
  66
  67 #define         OP      put
  68
  69 static void put_pixels4_c(uint8_t *dest,const uint8_t *ref, const int stride,int height)
  70 {
  71         switch((int)ref&3){
  72         case 0: OP_C40(); return;
  73         case 1: OP_C4(1); return;
  74         case 2: OP_C4(2); return;
  75         case 3: OP_C4(3); return;
  76         }
  77 }
  78
  79 #undef          OP
  80 #define         OP      avg
  81
  82 static void avg_pixels4_c(uint8_t *dest,const uint8_t *ref, const int stride,int height)
  83 {
  84         switch((int)ref&3){
  85         case 0: OP_C40(); return;
  86         case 1: OP_C4(1); return;
  87         case 2: OP_C4(2); return;
  88         case 3: OP_C4(3); return;
  89         }
  90 }
  91
  92 #undef          OP
  93
  94 #define         OP_C(ofs,sz,avg2) \
  95 { \
  96         ref-=ofs; \
  97         do { \
  98                 uint32_t        t0,t1; \
  99                 t0 = LP(ref+0); \
 100                 t1 = LP(ref+4); \
 101                 OP(LP(dest+0), MERGE1(t0,t1,ofs)); \
 102                 t0 = LP(ref+8); \
 103                 OP(LP(dest+4), MERGE1(t1,t0,ofs)); \
 104 if (sz==16) { \
 105                 t1 = LP(ref+12); \
 106                 OP(LP(dest+8), MERGE1(t0,t1,ofs)); \
 107                 t0 = LP(ref+16); \
 108                 OP(LP(dest+12), MERGE1(t1,t0,ofs)); \
 109 } \
 110                 ref+=stride; \
 111                 dest+= stride; \
 112         } while(--height); \
 113 }
 114
 115 /* aligned */
 116 #define         OP_C0(sz,avg2) \
 117 { \
 118         do { \
 119                 OP(LP(dest+0), LP(ref+0)); \
 120                 OP(LP(dest+4), LP(ref+4)); \
 121 if (sz==16) { \
 122                 OP(LP(dest+8), LP(ref+8)); \
 123                 OP(LP(dest+12), LP(ref+12)); \
 124 } \
 125                 ref+=stride; \
 126                 dest+= stride; \
 127         } while(--height); \
 128 }
 129
 130 #define         OP_X(ofs,sz,avg2) \
 131 { \
 132         ref-=ofs; \
 133         do { \
 134                 uint32_t        t0,t1; \
 135                 t0 = LP(ref+0); \
 136                 t1 = LP(ref+4); \
 137                 OP(LP(dest+0), avg2(MERGE1(t0,t1,ofs),MERGE2(t0,t1,ofs))); \
 138                 t0 = LP(ref+8); \
 139                 OP(LP(dest+4), avg2(MERGE1(t1,t0,ofs),MERGE2(t1,t0,ofs))); \
 140 if (sz==16) { \
 141                 t1 = LP(ref+12); \
 142                 OP(LP(dest+8), avg2(MERGE1(t0,t1,ofs),MERGE2(t0,t1,ofs))); \
 143                 t0 = LP(ref+16); \
 144                 OP(LP(dest+12), avg2(MERGE1(t1,t0,ofs),MERGE2(t1,t0,ofs))); \
 145 } \
 146                 ref+=stride; \
 147                 dest+= stride; \
 148         } while(--height); \
 149 }
 150
 151 /* aligned */
 152 #define         OP_Y0(sz,avg2) \
 153 { \
 154         uint32_t t0,t1,t2,t3,t; \
 155 \
 156         t0 = LP(ref+0); \
 157         t1 = LP(ref+4); \
 158 if (sz==16) { \
 159         t2 = LP(ref+8); \
 160         t3 = LP(ref+12); \
 161 } \
 162         do { \
 163                 ref += stride; \
 164 \
 165                 t = LP(ref+0); \
 166                 OP(LP(dest+0), avg2(t0,t)); t0 = t; \
 167                 t = LP(ref+4); \
 168                 OP(LP(dest+4), avg2(t1,t)); t1 = t; \
 169 if (sz==16) { \
 170                 t = LP(ref+8); \
 171                 OP(LP(dest+8), avg2(t2,t)); t2 = t; \
 172                 t = LP(ref+12); \
 173                 OP(LP(dest+12), avg2(t3,t)); t3 = t; \
 174 } \
 175                 dest+= stride; \
 176         } while(--height); \
 177 }
 178
 179 #define         OP_Y(ofs,sz,avg2) \
 180 { \
 181         uint32_t t0,t1,t2,t3,t,w0,w1; \
 182 \
 183         ref-=ofs; \
 184         w0 = LP(ref+0); \
 185         w1 = LP(ref+4); \
 186         t0 = MERGE1(w0,w1,ofs); \
 187         w0 = LP(ref+8); \
 188         t1 = MERGE1(w1,w0,ofs); \
 189 if (sz==16) { \
 190         w1 = LP(ref+12); \
 191         t2 = MERGE1(w0,w1,ofs); \
 192         w0 = LP(ref+16); \
 193         t3 = MERGE1(w1,w0,ofs); \
 194 } \
 195         do { \
 196                 ref += stride; \
 197 \
 198                 w0 = LP(ref+0); \
 199                 w1 = LP(ref+4); \
 200                 t = MERGE1(w0,w1,ofs); \
 201                 OP(LP(dest+0), avg2(t0,t)); t0 = t; \
 202                 w0 = LP(ref+8); \
 203                 t = MERGE1(w1,w0,ofs); \
 204                 OP(LP(dest+4), avg2(t1,t)); t1 = t; \
 205 if (sz==16) { \
 206                 w1 = LP(ref+12); \
 207                 t = MERGE1(w0,w1,ofs); \
 208                 OP(LP(dest+8), avg2(t2,t)); t2 = t; \
 209                 w0 = LP(ref+16); \
 210                 t = MERGE1(w1,w0,ofs); \
 211                 OP(LP(dest+12), avg2(t3,t)); t3 = t; \
 212 } \
 213                 dest+=stride; \
 214         } while(--height); \
 215 }
 216
 217 #define OP_X0(sz,avg2) OP_X(0,sz,avg2)
 218 #define OP_XY0(sz,PACK) OP_XY(0,sz,PACK)
 219 #define         OP_XY(ofs,sz,PACK) \
 220 { \
 221         uint32_t        t2,t3,w0,w1; \
 222         uint32_t        a0,a1,a2,a3,a4,a5,a6,a7; \
 223 \
 224         ref -= ofs; \
 225         w0 = LP(ref+0); \
 226         w1 = LP(ref+4); \
 227         UNPACK(a0,a1,MERGE1(w0,w1,ofs),MERGE2(w0,w1,ofs)); \
 228         w0 = LP(ref+8); \
 229         UNPACK(a2,a3,MERGE1(w1,w0,ofs),MERGE2(w1,w0,ofs)); \
 230 if (sz==16) { \
 231         w1 = LP(ref+12); \
 232         UNPACK(a4,a5,MERGE1(w0,w1,ofs),MERGE2(w0,w1,ofs)); \
 233         w0 = LP(ref+16); \
 234         UNPACK(a6,a7,MERGE1(w1,w0,ofs),MERGE2(w1,w0,ofs)); \
 235 } \
 236         do { \
 237                 ref+=stride; \
 238                 w0 = LP(ref+0); \
 239                 w1 = LP(ref+4); \
 240                 UNPACK(t2,t3,MERGE1(w0,w1,ofs),MERGE2(w0,w1,ofs)); \
 241                 OP(LP(dest+0),PACK(a0,a1,t2,t3)); \
 242                 a0 = t2; a1 = t3; \
 243                 w0 = LP(ref+8); \
 244                 UNPACK(t2,t3,MERGE1(w1,w0,ofs),MERGE2(w1,w0,ofs)); \
 245                 OP(LP(dest+4),PACK(a2,a3,t2,t3)); \
 246                 a2 = t2; a3 = t3; \
 247 if (sz==16) { \
 248                 w1 = LP(ref+12); \
 249                 UNPACK(t2,t3,MERGE1(w0,w1,ofs),MERGE2(w0,w1,ofs)); \
 250                 OP(LP(dest+8),PACK(a4,a5,t2,t3)); \
 251                 a4 = t2; a5 = t3; \
 252                 w0 = LP(ref+16); \
 253                 UNPACK(t2,t3,MERGE1(w1,w0,ofs),MERGE2(w1,w0,ofs)); \
 254                 OP(LP(dest+12),PACK(a6,a7,t2,t3)); \
 255                 a6 = t2; a7 = t3; \
 256 } \
 257                 dest+=stride; \
 258         } while(--height); \
 259 }
 260
 261 #define         DEFFUNC(op,rnd,xy,sz,OP_N,avgfunc) \
 262 static void op##_##rnd##_pixels##sz##_##xy (uint8_t * dest, const uint8_t * ref, \
 263                                 const int stride, int height) \
 264 { \
 265         switch((int)ref&3) { \
 266         case 0:OP_N##0(sz,rnd##_##avgfunc); return; \
 267         case 1:OP_N(1,sz,rnd##_##avgfunc); return; \
 268         case 2:OP_N(2,sz,rnd##_##avgfunc); return; \
 269         case 3:OP_N(3,sz,rnd##_##avgfunc); return; \
 270         } \
 271 }
 272
 273 #define OP put
 274
 275 DEFFUNC(put,   rnd,o,8,OP_C,avg2)
 276 DEFFUNC(put,   rnd,x,8,OP_X,avg2)
 277 DEFFUNC(put,no_rnd,x,8,OP_X,avg2)
 278 DEFFUNC(put,   rnd,y,8,OP_Y,avg2)
 279 DEFFUNC(put,no_rnd,y,8,OP_Y,avg2)
 280 DEFFUNC(put,   rnd,xy,8,OP_XY,PACK)
 281 DEFFUNC(put,no_rnd,xy,8,OP_XY,PACK)
 282 DEFFUNC(put,   rnd,o,16,OP_C,avg2)
 283 DEFFUNC(put,   rnd,x,16,OP_X,avg2)
 284 DEFFUNC(put,no_rnd,x,16,OP_X,avg2)
 285 DEFFUNC(put,   rnd,y,16,OP_Y,avg2)
 286 DEFFUNC(put,no_rnd,y,16,OP_Y,avg2)
 287 DEFFUNC(put,   rnd,xy,16,OP_XY,PACK)
 288 DEFFUNC(put,no_rnd,xy,16,OP_XY,PACK)
 289
 290 #undef OP
 291 #define OP avg
 292
 293 DEFFUNC(avg,   rnd,o,8,OP_C,avg2)
 294 DEFFUNC(avg,   rnd,x,8,OP_X,avg2)
 295 DEFFUNC(avg,no_rnd,x,8,OP_X,avg2)
 296 DEFFUNC(avg,   rnd,y,8,OP_Y,avg2)
 297 DEFFUNC(avg,no_rnd,y,8,OP_Y,avg2)
 298 DEFFUNC(avg,   rnd,xy,8,OP_XY,PACK)
 299 DEFFUNC(avg,no_rnd,xy,8,OP_XY,PACK)
 300 DEFFUNC(avg,   rnd,o,16,OP_C,avg2)
 301 DEFFUNC(avg,   rnd,x,16,OP_X,avg2)
 302 DEFFUNC(avg,no_rnd,x,16,OP_X,avg2)
 303 DEFFUNC(avg,   rnd,y,16,OP_Y,avg2)
 304 DEFFUNC(avg,no_rnd,y,16,OP_Y,avg2)
 305 DEFFUNC(avg,   rnd,xy,16,OP_XY,PACK)
 306 DEFFUNC(avg,no_rnd,xy,16,OP_XY,PACK)
 307
 308 #undef OP
 309
 310 #define         put_no_rnd_pixels8_o     put_rnd_pixels8_o
 311 #define         put_no_rnd_pixels16_o    put_rnd_pixels16_o
 312 #define         avg_no_rnd_pixels8_o     avg_rnd_pixels8_o
 313 #define         avg_no_rnd_pixels16_o    avg_rnd_pixels16_o
 314
 315 #define         put_pixels8_c            put_rnd_pixels8_o
 316 #define         put_pixels16_c           put_rnd_pixels16_o
 317 #define         avg_pixels8_c            avg_rnd_pixels8_o
 318 #define         avg_pixels16_c           avg_rnd_pixels16_o
 319 #define         put_no_rnd_pixels8_c     put_rnd_pixels8_o
 320 #define         put_no_rnd_pixels16_c    put_rnd_pixels16_o
 321 #define         avg_no_rnd_pixels8_c     avg_rnd_pixels8_o
 322 #define         avg_no_rnd_pixels16_c    avg_rnd_pixels16_o
 323
 324 #define         QPEL
 325
 326 #ifdef QPEL
 327
 328 #include "qpel.c"
 329
 330 #endif
 331
 332 void dsputil_init_align(DSPContext* c, AVCodecContext *avctx)
 333 {
 334         c->put_pixels_tab[0][0] = put_rnd_pixels16_o;
 335         c->put_pixels_tab[0][1] = put_rnd_pixels16_x;
 336         c->put_pixels_tab[0][2] = put_rnd_pixels16_y;
 337         c->put_pixels_tab[0][3] = put_rnd_pixels16_xy;
 338         c->put_pixels_tab[1][0] = put_rnd_pixels8_o;
 339         c->put_pixels_tab[1][1] = put_rnd_pixels8_x;
 340         c->put_pixels_tab[1][2] = put_rnd_pixels8_y;
 341         c->put_pixels_tab[1][3] = put_rnd_pixels8_xy;
 342
 343         c->put_no_rnd_pixels_tab[0][0] = put_no_rnd_pixels16_o;
 344         c->put_no_rnd_pixels_tab[0][1] = put_no_rnd_pixels16_x;
 345         c->put_no_rnd_pixels_tab[0][2] = put_no_rnd_pixels16_y;
 346         c->put_no_rnd_pixels_tab[0][3] = put_no_rnd_pixels16_xy;
 347         c->put_no_rnd_pixels_tab[1][0] = put_no_rnd_pixels8_o;
 348         c->put_no_rnd_pixels_tab[1][1] = put_no_rnd_pixels8_x;
 349         c->put_no_rnd_pixels_tab[1][2] = put_no_rnd_pixels8_y;
 350         c->put_no_rnd_pixels_tab[1][3] = put_no_rnd_pixels8_xy;
 351
 352         c->avg_pixels_tab[0][0] = avg_rnd_pixels16_o;
 353         c->avg_pixels_tab[0][1] = avg_rnd_pixels16_x;
 354         c->avg_pixels_tab[0][2] = avg_rnd_pixels16_y;
 355         c->avg_pixels_tab[0][3] = avg_rnd_pixels16_xy;
 356         c->avg_pixels_tab[1][0] = avg_rnd_pixels8_o;
 357         c->avg_pixels_tab[1][1] = avg_rnd_pixels8_x;
 358         c->avg_pixels_tab[1][2] = avg_rnd_pixels8_y;
 359         c->avg_pixels_tab[1][3] = avg_rnd_pixels8_xy;
 360
 361         c->avg_no_rnd_pixels_tab[0][0] = avg_no_rnd_pixels16_o;
 362         c->avg_no_rnd_pixels_tab[0][1] = avg_no_rnd_pixels16_x;
 363         c->avg_no_rnd_pixels_tab[0][2] = avg_no_rnd_pixels16_y;
 364         c->avg_no_rnd_pixels_tab[0][3] = avg_no_rnd_pixels16_xy;
 365         c->avg_no_rnd_pixels_tab[1][0] = avg_no_rnd_pixels8_o;
 366         c->avg_no_rnd_pixels_tab[1][1] = avg_no_rnd_pixels8_x;
 367         c->avg_no_rnd_pixels_tab[1][2] = avg_no_rnd_pixels8_y;
 368         c->avg_no_rnd_pixels_tab[1][3] = avg_no_rnd_pixels8_xy;
 369
 370 #ifdef QPEL
 371
 372 #define dspfunc(PFX, IDX, NUM) \
 373     c->PFX ## _pixels_tab[IDX][ 0] = PFX ## NUM ## _mc00_c; \
 374     c->PFX ## _pixels_tab[IDX][ 1] = PFX ## NUM ## _mc10_c; \
 375     c->PFX ## _pixels_tab[IDX][ 2] = PFX ## NUM ## _mc20_c; \
 376     c->PFX ## _pixels_tab[IDX][ 3] = PFX ## NUM ## _mc30_c; \
 377     c->PFX ## _pixels_tab[IDX][ 4] = PFX ## NUM ## _mc01_c; \
 378     c->PFX ## _pixels_tab[IDX][ 5] = PFX ## NUM ## _mc11_c; \
 379     c->PFX ## _pixels_tab[IDX][ 6] = PFX ## NUM ## _mc21_c; \
 380     c->PFX ## _pixels_tab[IDX][ 7] = PFX ## NUM ## _mc31_c; \
 381     c->PFX ## _pixels_tab[IDX][ 8] = PFX ## NUM ## _mc02_c; \
 382     c->PFX ## _pixels_tab[IDX][ 9] = PFX ## NUM ## _mc12_c; \
 383     c->PFX ## _pixels_tab[IDX][10] = PFX ## NUM ## _mc22_c; \
 384     c->PFX ## _pixels_tab[IDX][11] = PFX ## NUM ## _mc32_c; \
 385     c->PFX ## _pixels_tab[IDX][12] = PFX ## NUM ## _mc03_c; \
 386     c->PFX ## _pixels_tab[IDX][13] = PFX ## NUM ## _mc13_c; \
 387     c->PFX ## _pixels_tab[IDX][14] = PFX ## NUM ## _mc23_c; \
 388     c->PFX ## _pixels_tab[IDX][15] = PFX ## NUM ## _mc33_c
 389
 390     dspfunc(put_qpel, 0, 16);
 391     dspfunc(put_no_rnd_qpel, 0, 16);
 392
 393     dspfunc(avg_qpel, 0, 16);
 394     /* dspfunc(avg_no_rnd_qpel, 0, 16); */
 395
 396     dspfunc(put_qpel, 1, 8);
 397     dspfunc(put_no_rnd_qpel, 1, 8);
 398
 399     dspfunc(avg_qpel, 1, 8);
 400     /* dspfunc(avg_no_rnd_qpel, 1, 8); */
 401
 402     dspfunc(put_h264_qpel, 0, 16);
 403     dspfunc(put_h264_qpel, 1, 8);
 404     dspfunc(put_h264_qpel, 2, 4);
 405     dspfunc(avg_h264_qpel, 0, 16);
 406     dspfunc(avg_h264_qpel, 1, 8);
 407     dspfunc(avg_h264_qpel, 2, 4);
 408
 409 #undef dspfunc
 410     c->put_h264_chroma_pixels_tab[0]= put_h264_chroma_mc8_c;
 411     c->put_h264_chroma_pixels_tab[1]= put_h264_chroma_mc4_c;
 412     c->put_h264_chroma_pixels_tab[2]= put_h264_chroma_mc2_c;
 413     c->avg_h264_chroma_pixels_tab[0]= avg_h264_chroma_mc8_c;
 414     c->avg_h264_chroma_pixels_tab[1]= avg_h264_chroma_mc4_c;
 415     c->avg_h264_chroma_pixels_tab[2]= avg_h264_chroma_mc2_c;
 416
 417     c->put_mspel_pixels_tab[0]= put_mspel8_mc00_c;
 418     c->put_mspel_pixels_tab[1]= put_mspel8_mc10_c;
 419     c->put_mspel_pixels_tab[2]= put_mspel8_mc20_c;
 420     c->put_mspel_pixels_tab[3]= put_mspel8_mc30_c;
 421     c->put_mspel_pixels_tab[4]= put_mspel8_mc02_c;
 422     c->put_mspel_pixels_tab[5]= put_mspel8_mc12_c;
 423     c->put_mspel_pixels_tab[6]= put_mspel8_mc22_c;
 424     c->put_mspel_pixels_tab[7]= put_mspel8_mc32_c;
 425
 426     c->gmc1 = gmc1_c;
 427     c->gmc = gmc_c;
 428
 429 #endif
 430 }