pixel.c 19.2 KB
Newer Older
Laurent Aimar's avatar
Laurent Aimar committed
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
/*****************************************************************************
 * pixel.c: h264 encoder
 *****************************************************************************
 * Copyright (C) 2003 Laurent Aimar
 * $Id: pixel.c,v 1.1 2004/06/03 19:27:07 fenrir Exp $
 *
 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
 *****************************************************************************/

Loren Merritt's avatar
Loren Merritt committed
24
#include "common.h"
25
#include "clip1.h"
Laurent Aimar's avatar
Laurent Aimar committed
26

27
#ifdef HAVE_MMX
Laurent Aimar's avatar
Laurent Aimar committed
28 29
#   include "i386/pixel.h"
#endif
30
#ifdef ARCH_PPC
Laurent Aimar's avatar
Laurent Aimar committed
31 32
#   include "ppc/pixel.h"
#endif
33 34 35
#ifdef ARCH_UltraSparc
#   include "sparc/pixel.h"
#endif
Laurent Aimar's avatar
Laurent Aimar committed
36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59


/****************************************************************************
 * pixel_sad_WxH
 ****************************************************************************/
#define PIXEL_SAD_C( name, lx, ly ) \
static int name( uint8_t *pix1, int i_stride_pix1,  \
                 uint8_t *pix2, int i_stride_pix2 ) \
{                                                   \
    int i_sum = 0;                                  \
    int x, y;                                       \
    for( y = 0; y < ly; y++ )                       \
    {                                               \
        for( x = 0; x < lx; x++ )                   \
        {                                           \
            i_sum += abs( pix1[x] - pix2[x] );      \
        }                                           \
        pix1 += i_stride_pix1;                      \
        pix2 += i_stride_pix2;                      \
    }                                               \
    return i_sum;                                   \
}


60 61 62 63 64 65 66
PIXEL_SAD_C( x264_pixel_sad_16x16, 16, 16 )
PIXEL_SAD_C( x264_pixel_sad_16x8,  16,  8 )
PIXEL_SAD_C( x264_pixel_sad_8x16,   8, 16 )
PIXEL_SAD_C( x264_pixel_sad_8x8,    8,  8 )
PIXEL_SAD_C( x264_pixel_sad_8x4,    8,  4 )
PIXEL_SAD_C( x264_pixel_sad_4x8,    4,  8 )
PIXEL_SAD_C( x264_pixel_sad_4x4,    4,  4 )
Laurent Aimar's avatar
Laurent Aimar committed
67

68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90

/****************************************************************************
 * pixel_ssd_WxH
 ****************************************************************************/
#define PIXEL_SSD_C( name, lx, ly ) \
static int name( uint8_t *pix1, int i_stride_pix1,  \
                 uint8_t *pix2, int i_stride_pix2 ) \
{                                                   \
    int i_sum = 0;                                  \
    int x, y;                                       \
    for( y = 0; y < ly; y++ )                       \
    {                                               \
        for( x = 0; x < lx; x++ )                   \
        {                                           \
            int d = pix1[x] - pix2[x];              \
            i_sum += d*d;                           \
        }                                           \
        pix1 += i_stride_pix1;                      \
        pix2 += i_stride_pix2;                      \
    }                                               \
    return i_sum;                                   \
}

91 92 93 94 95 96 97
PIXEL_SSD_C( x264_pixel_ssd_16x16, 16, 16 )
PIXEL_SSD_C( x264_pixel_ssd_16x8,  16,  8 )
PIXEL_SSD_C( x264_pixel_ssd_8x16,   8, 16 )
PIXEL_SSD_C( x264_pixel_ssd_8x8,    8,  8 )
PIXEL_SSD_C( x264_pixel_ssd_8x4,    8,  4 )
PIXEL_SSD_C( x264_pixel_ssd_4x8,    4,  8 )
PIXEL_SSD_C( x264_pixel_ssd_4x4,    4,  4 )
98

Loren Merritt's avatar
Loren Merritt committed
99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135
int64_t x264_pixel_ssd_wxh( x264_pixel_function_t *pf, uint8_t *pix1, int i_pix1, uint8_t *pix2, int i_pix2, int i_width, int i_height )
{
    int64_t i_ssd = 0;
    int x, y;

#define SSD(size) i_ssd += pf->ssd[size]( pix1 + y*i_pix1 + x, i_pix1, \
                                          pix2 + y*i_pix2 + x, i_pix2 );
    for( y = 0; y < i_height-15; y += 16 )
    {
        for( x = 0; x < i_width-15; x += 16 )
            SSD(PIXEL_16x16);
        if( x < i_width-7 )
            SSD(PIXEL_8x16);
    }
    if( y < i_height-7 )
        for( x = 0; x < i_width-7; x += 8 )
            SSD(PIXEL_8x8);
#undef SSD

#define SSD1 { int d = pix1[y*i_pix1+x] - pix2[y*i_pix2+x]; i_ssd += d*d; }
    if( i_width % 8 != 0 )
    {
        for( y = 0; y < (i_height & ~7); y++ )
            for( x = i_width & ~7; x < i_width; x++ )
                SSD1;
    }
    if( i_height % 8 != 0 )
    {
        for( y = i_height & ~7; y < i_height; y++ )
            for( x = 0; x < i_width; x++ )
                SSD1;
    }
#undef SSD1

    return i_ssd;
}

136

137 138
static inline void pixel_sub_wxh( int16_t *diff, int i_size,
                                  uint8_t *pix1, int i_pix1, uint8_t *pix2, int i_pix2 )
Laurent Aimar's avatar
Laurent Aimar committed
139 140
{
    int y, x;
141
    for( y = 0; y < i_size; y++ )
Laurent Aimar's avatar
Laurent Aimar committed
142
    {
143
        for( x = 0; x < i_size; x++ )
Laurent Aimar's avatar
Laurent Aimar committed
144
        {
145
            diff[x + y*i_size] = pix1[x] - pix2[x];
Laurent Aimar's avatar
Laurent Aimar committed
146 147 148 149 150 151
        }
        pix1 += i_pix1;
        pix2 += i_pix2;
    }
}

152 153 154 155

/****************************************************************************
 * pixel_satd_WxH: sum of 4x4 Hadamard transformed differences
 ****************************************************************************/
Laurent Aimar's avatar
Laurent Aimar committed
156 157 158 159 160 161 162 163 164 165 166 167 168
static int pixel_satd_wxh( uint8_t *pix1, int i_pix1, uint8_t *pix2, int i_pix2, int i_width, int i_height )
{
    int16_t tmp[4][4];
    int16_t diff[4][4];
    int x, y;
    int i_satd = 0;

    for( y = 0; y < i_height; y += 4 )
    {
        for( x = 0; x < i_width; x += 4 )
        {
            int d;

169
            pixel_sub_wxh( (int16_t*)diff, 4, &pix1[x], i_pix1, &pix2[x], i_pix2 );
Laurent Aimar's avatar
Laurent Aimar committed
170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207

            for( d = 0; d < 4; d++ )
            {
                int s01, s23;
                int d01, d23;

                s01 = diff[d][0] + diff[d][1]; s23 = diff[d][2] + diff[d][3];
                d01 = diff[d][0] - diff[d][1]; d23 = diff[d][2] - diff[d][3];

                tmp[d][0] = s01 + s23;
                tmp[d][1] = s01 - s23;
                tmp[d][2] = d01 - d23;
                tmp[d][3] = d01 + d23;
            }
            for( d = 0; d < 4; d++ )
            {
                int s01, s23;
                int d01, d23;

                s01 = tmp[0][d] + tmp[1][d]; s23 = tmp[2][d] + tmp[3][d];
                d01 = tmp[0][d] - tmp[1][d]; d23 = tmp[2][d] - tmp[3][d];

                i_satd += abs( s01 + s23 ) + abs( s01 - s23 ) + abs( d01 - d23 ) + abs( d01 + d23 );
            }

        }
        pix1 += 4 * i_pix1;
        pix2 += 4 * i_pix2;
    }

    return i_satd / 2;
}
#define PIXEL_SATD_C( name, width, height ) \
static int name( uint8_t *pix1, int i_stride_pix1, \
                 uint8_t *pix2, int i_stride_pix2 ) \
{ \
    return pixel_satd_wxh( pix1, i_stride_pix1, pix2, i_stride_pix2, width, height ); \
}
208 209 210 211 212 213 214
PIXEL_SATD_C( x264_pixel_satd_16x16, 16, 16 )
PIXEL_SATD_C( x264_pixel_satd_16x8,  16, 8 )
PIXEL_SATD_C( x264_pixel_satd_8x16,  8, 16 )
PIXEL_SATD_C( x264_pixel_satd_8x8,   8, 8 )
PIXEL_SATD_C( x264_pixel_satd_8x4,   8, 4 )
PIXEL_SATD_C( x264_pixel_satd_4x8,   4, 8 )
PIXEL_SATD_C( x264_pixel_satd_4x4,   4, 4 )
Laurent Aimar's avatar
Laurent Aimar committed
215 216


217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282
/****************************************************************************
 * pixel_sa8d_WxH: sum of 8x8 Hadamard transformed differences
 ****************************************************************************/
#define SA8D_1D {\
    const int a0 = SRC(0) + SRC(4);\
    const int a4 = SRC(0) - SRC(4);\
    const int a1 = SRC(1) + SRC(5);\
    const int a5 = SRC(1) - SRC(5);\
    const int a2 = SRC(2) + SRC(6);\
    const int a6 = SRC(2) - SRC(6);\
    const int a3 = SRC(3) + SRC(7);\
    const int a7 = SRC(3) - SRC(7);\
    const int b0 = a0 + a2;\
    const int b2 = a0 - a2;\
    const int b1 = a1 + a3;\
    const int b3 = a1 - a3;\
    const int b4 = a4 + a6;\
    const int b6 = a4 - a6;\
    const int b5 = a5 + a7;\
    const int b7 = a5 - a7;\
    DST(0, b0 + b1);\
    DST(1, b0 - b1);\
    DST(2, b2 + b3);\
    DST(3, b2 - b3);\
    DST(4, b4 + b5);\
    DST(5, b4 - b5);\
    DST(6, b6 + b7);\
    DST(7, b6 - b7);\
}

static inline int pixel_sa8d_wxh( uint8_t *pix1, int i_pix1, uint8_t *pix2, int i_pix2,
                                  int i_width, int i_height )
{
    int16_t diff[8][8];
    int i_satd = 0;
    int x, y;

    for( y = 0; y < i_height; y += 8 )
    {
        for( x = 0; x < i_width; x += 8 )
        {
            int i;
            pixel_sub_wxh( (int16_t*)diff, 8, pix1+x, i_pix1, pix2+x, i_pix2 );

#define SRC(x)     diff[i][x]
#define DST(x,rhs) diff[i][x] = (rhs)
            for( i = 0; i < 8; i++ )
                SA8D_1D
#undef SRC
#undef DST

#define SRC(x)     diff[x][i]
#define DST(x,rhs) i_satd += abs(rhs)
            for( i = 0; i < 8; i++ )
                SA8D_1D
#undef SRC
#undef DST
        }
        pix1 += 8 * i_pix1;
        pix2 += 8 * i_pix2;
    }

    return i_satd;
}

#define PIXEL_SA8D_C( width, height ) \
283 284
static int x264_pixel_sa8d_##width##x##height( uint8_t *pix1, int i_stride_pix1, \
                                               uint8_t *pix2, int i_stride_pix2 ) \
285 286 287 288 289 290 291 292
{ \
    return ( pixel_sa8d_wxh( pix1, i_stride_pix1, pix2, i_stride_pix2, width, height ) + 2 ) >> 2; \
}
PIXEL_SA8D_C( 16, 16 )
PIXEL_SA8D_C( 16, 8 )
PIXEL_SA8D_C( 8, 16 )
PIXEL_SA8D_C( 8, 8 )

Loren Merritt's avatar
Loren Merritt committed
293 294 295
/****************************************************************************
 * pixel_sad_x4
 ****************************************************************************/
296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324
#define SAD_X( size ) \
static void x264_pixel_sad_x3_##size( uint8_t *fenc, uint8_t *pix0, uint8_t *pix1, uint8_t *pix2, int i_stride, int scores[3] )\
{\
    scores[0] = x264_pixel_sad_##size( fenc, FENC_STRIDE, pix0, i_stride );\
    scores[1] = x264_pixel_sad_##size( fenc, FENC_STRIDE, pix1, i_stride );\
    scores[2] = x264_pixel_sad_##size( fenc, FENC_STRIDE, pix2, i_stride );\
}\
static void x264_pixel_sad_x4_##size( uint8_t *fenc, uint8_t *pix0, uint8_t *pix1, uint8_t *pix2, uint8_t *pix3, int i_stride, int scores[4] )\
{\
    scores[0] = x264_pixel_sad_##size( fenc, FENC_STRIDE, pix0, i_stride );\
    scores[1] = x264_pixel_sad_##size( fenc, FENC_STRIDE, pix1, i_stride );\
    scores[2] = x264_pixel_sad_##size( fenc, FENC_STRIDE, pix2, i_stride );\
    scores[3] = x264_pixel_sad_##size( fenc, FENC_STRIDE, pix3, i_stride );\
}

SAD_X( 16x16 )
SAD_X( 16x8 )
SAD_X( 8x16 )
SAD_X( 8x8 )
SAD_X( 8x4 )
SAD_X( 4x8 )
SAD_X( 4x4 )

#ifdef ARCH_UltraSparc
SAD_X( 16x16_vis )
SAD_X( 16x8_vis )
SAD_X( 8x16_vis )
SAD_X( 8x8_vis )
#endif
325

Loren Merritt's avatar
Loren Merritt committed
326 327 328
/****************************************************************************
 * structural similarity metric
 ****************************************************************************/
329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385
static void ssim_4x4x2_core( const uint8_t *pix1, int stride1,
                             const uint8_t *pix2, int stride2,
                             int sums[2][4])
{
    int x, y, z;
    for(z=0; z<2; z++)
    {
        uint32_t s1=0, s2=0, ss=0, s12=0;
        for(y=0; y<4; y++)
            for(x=0; x<4; x++)
            {
                int a = pix1[x+y*stride1];
                int b = pix2[x+y*stride2];
                s1  += a;
                s2  += b;
                ss  += a*a;
                ss  += b*b;
                s12 += a*b;
            }
        sums[z][0] = s1;
        sums[z][1] = s2;
        sums[z][2] = ss;
        sums[z][3] = s12;
        pix1 += 4;
        pix2 += 4;
    }
}

static float ssim_end1( int s1, int s2, int ss, int s12 )
{
    static const int ssim_c1 = (int)(.01*.01*255*255*64 + .5);
    static const int ssim_c2 = (int)(.03*.03*255*255*64*63 + .5);
    int vars = ss*64 - s1*s1 - s2*s2;
    int covar = s12*64 - s1*s2;
    return (float)(2*s1*s2 + ssim_c1) * (float)(2*covar + ssim_c2)\
           / ((float)(s1*s1 + s2*s2 + ssim_c1) * (float)(vars + ssim_c2));
}

static float ssim_end4( int sum0[5][4], int sum1[5][4], int width )
{
    int i;
    float ssim = 0.0;
    for( i = 0; i < width; i++ )
        ssim += ssim_end1( sum0[i][0] + sum0[i+1][0] + sum1[i][0] + sum1[i+1][0],
                           sum0[i][1] + sum0[i+1][1] + sum1[i][1] + sum1[i+1][1],
                           sum0[i][2] + sum0[i+1][2] + sum1[i][2] + sum1[i+1][2],
                           sum0[i][3] + sum0[i+1][3] + sum1[i][3] + sum1[i+1][3] );
    return ssim;
}

float x264_pixel_ssim_wxh( x264_pixel_function_t *pf,
                           uint8_t *pix1, int stride1,
                           uint8_t *pix2, int stride2,
                           int width, int height )
{
    int x, y, z;
    float ssim = 0.0;
386 387
    int (*sum0)[4] = x264_malloc(4 * (width/4+3) * sizeof(int));
    int (*sum1)[4] = x264_malloc(4 * (width/4+3) * sizeof(int));
388 389 390 391 392 393 394 395 396 397 398 399 400 401
    width >>= 2;
    height >>= 2;
    z = 0;
    for( y = 1; y < height; y++ )
    {
        for( ; z <= y; z++ )
        {
            XCHG( void*, sum0, sum1 );
            for( x = 0; x < width; x+=2 )
                pf->ssim_4x4x2_core( &pix1[4*(x+z*stride1)], stride1, &pix2[4*(x+z*stride2)], stride2, &sum0[x] );
        }
        for( x = 0; x < width-1; x += 4 )
            ssim += pf->ssim_end4( sum0+x, sum1+x, X264_MIN(4,width-x-1) );
    }
402 403
    x264_free(sum0);
    x264_free(sum1);
404 405 406 407
    return ssim / ((width-1) * (height-1));
}


Loren Merritt's avatar
Loren Merritt committed
408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439
/****************************************************************************
 * successive elimination
 ****************************************************************************/
static void pixel_ads4( int enc_dc[4], uint16_t *sums, int delta,
                        uint16_t *res, int width )
{
    int i;
    for( i=0; i<width; i++, sums++ )
        res[i] = abs( enc_dc[0] - sums[0] )
               + abs( enc_dc[1] - sums[8] )
               + abs( enc_dc[2] - sums[delta] )
               + abs( enc_dc[3] - sums[delta+8] );
}

static void pixel_ads2( int enc_dc[2], uint16_t *sums, int delta,
                        uint16_t *res, int width )
{
    int i;
    for( i=0; i<width; i++, sums++ )
        res[i] = abs( enc_dc[0] - sums[0] )
               + abs( enc_dc[1] - sums[delta] );
}

static void pixel_ads1( int enc_dc[1], uint16_t *sums, int delta,
                        uint16_t *res, int width )
{
    int i;
    for( i=0; i<width; i++, sums++ )
        res[i] = abs( enc_dc[0] - sums[0] );
}


Laurent Aimar's avatar
Laurent Aimar committed
440 441 442 443 444
/****************************************************************************
 * x264_pixel_init:
 ****************************************************************************/
void x264_pixel_init( int cpu, x264_pixel_function_t *pixf )
{
445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465
    memset( pixf, 0, sizeof(*pixf) );

#define INIT( name, cpu ) \
    pixf->name[PIXEL_16x16] = x264_pixel_##name##_16x16##cpu;\
    pixf->name[PIXEL_16x8]  = x264_pixel_##name##_16x8##cpu;\
    pixf->name[PIXEL_8x16]  = x264_pixel_##name##_8x16##cpu;\
    pixf->name[PIXEL_8x8]   = x264_pixel_##name##_8x8##cpu;\
    pixf->name[PIXEL_8x4]   = x264_pixel_##name##_8x4##cpu;\
    pixf->name[PIXEL_4x8]   = x264_pixel_##name##_4x8##cpu;\
    pixf->name[PIXEL_4x4]   = x264_pixel_##name##_4x4##cpu;

    INIT( sad, );
    INIT( sad_x3, );
    INIT( sad_x4, );
    INIT( ssd, );
    INIT( satd, );

    pixf->sa8d[PIXEL_16x16]= x264_pixel_sa8d_16x16;
    pixf->sa8d[PIXEL_16x8] = x264_pixel_sa8d_16x8;
    pixf->sa8d[PIXEL_8x16] = x264_pixel_sa8d_8x16;
    pixf->sa8d[PIXEL_8x8]  = x264_pixel_sa8d_8x8;
466 467
    pixf->ssim_4x4x2_core = ssim_4x4x2_core;
    pixf->ssim_end4 = ssim_end4;
468

Loren Merritt's avatar
Loren Merritt committed
469 470 471 472
    pixf->ads[PIXEL_16x16] = pixel_ads4;
    pixf->ads[PIXEL_16x8] = pixel_ads2;
    pixf->ads[PIXEL_8x8] = pixel_ads1;

473
#ifdef HAVE_MMX
474 475
    if( cpu&X264_CPU_MMX )
    {
476
        INIT( ssd, _mmx );
477 478
    }

Laurent Aimar's avatar
Laurent Aimar committed
479 480
    if( cpu&X264_CPU_MMXEXT )
    {
481 482 483 484
        INIT( sad, _mmxext );
        INIT( sad_x3, _mmxext );
        INIT( sad_x4, _mmxext );
        INIT( satd, _mmxext );
Laurent Aimar's avatar
Laurent Aimar committed
485

Loren Merritt's avatar
Loren Merritt committed
486 487 488 489
        pixf->ads[PIXEL_16x16] = x264_pixel_ads4_mmxext;
        pixf->ads[PIXEL_16x8 ] = x264_pixel_ads2_mmxext;
        pixf->ads[PIXEL_8x8  ] = x264_pixel_ads1_mmxext;

490 491 492
#ifdef ARCH_X86
        pixf->sa8d[PIXEL_16x16] = x264_pixel_sa8d_16x16_mmxext;
        pixf->sa8d[PIXEL_8x8]   = x264_pixel_sa8d_8x8_mmxext;
493
        pixf->intra_sa8d_x3_8x8 = x264_intra_sa8d_x3_8x8_mmxext;
494
        pixf->ssim_4x4x2_core  = x264_pixel_ssim_4x4x2_core_mmxext;
495
#endif
496 497 498
        pixf->intra_satd_x3_16x16 = x264_intra_satd_x3_16x16_mmxext;
        pixf->intra_satd_x3_8x8c  = x264_intra_satd_x3_8x8c_mmxext;
        pixf->intra_satd_x3_4x4   = x264_intra_satd_x3_4x4_mmxext;
Laurent Aimar's avatar
Laurent Aimar committed
499
    }
500 501 502 503 504 505 506 507 508 509 510 511

    // disable on AMD processors since it is slower
    if( (cpu&X264_CPU_SSE2) && !(cpu&X264_CPU_3DNOW) )
    {
        pixf->sad[PIXEL_16x16] = x264_pixel_sad_16x16_sse2;
        pixf->sad[PIXEL_16x8 ] = x264_pixel_sad_16x8_sse2;

        pixf->satd[PIXEL_16x16]= x264_pixel_satd_16x16_sse2;
        pixf->satd[PIXEL_16x8] = x264_pixel_satd_16x8_sse2;
        pixf->satd[PIXEL_8x16] = x264_pixel_satd_8x16_sse2;
        pixf->satd[PIXEL_8x8]  = x264_pixel_satd_8x8_sse2;
        pixf->satd[PIXEL_8x4]  = x264_pixel_satd_8x4_sse2;
512 513 514 515 516

        pixf->sad_x3[PIXEL_16x16] = x264_pixel_sad_x3_16x16_sse2;
        pixf->sad_x3[PIXEL_16x8 ] = x264_pixel_sad_x3_16x8_sse2;
        pixf->sad_x4[PIXEL_16x16] = x264_pixel_sad_x4_16x16_sse2;
        pixf->sad_x4[PIXEL_16x8 ] = x264_pixel_sad_x4_16x8_sse2;
517 518 519 520 521 522
    }
    // these are faster on both Intel and AMD
    if( cpu&X264_CPU_SSE2 )
    {
        pixf->ssd[PIXEL_16x16] = x264_pixel_ssd_16x16_sse2;
        pixf->ssd[PIXEL_16x8]  = x264_pixel_ssd_16x8_sse2;
523 524
        pixf->ssim_4x4x2_core  = x264_pixel_ssim_4x4x2_core_sse2;
        pixf->ssim_end4        = x264_pixel_ssim_end4_sse2;
525 526 527 528

#ifdef ARCH_X86_64
        pixf->sa8d[PIXEL_16x16] = x264_pixel_sa8d_16x16_sse2;
        pixf->sa8d[PIXEL_8x8]   = x264_pixel_sa8d_8x8_sse2;
529
        pixf->intra_sa8d_x3_8x8 = x264_intra_sa8d_x3_8x8_sse2;
530 531 532 533 534
#endif
    }

    if( cpu&X264_CPU_SSSE3 )
    {
Loren Merritt's avatar
Loren Merritt committed
535
#ifdef HAVE_SSE3
536 537 538 539 540
        pixf->satd[PIXEL_16x16]= x264_pixel_satd_16x16_ssse3;
        pixf->satd[PIXEL_16x8] = x264_pixel_satd_16x8_ssse3;
        pixf->satd[PIXEL_8x16] = x264_pixel_satd_8x16_ssse3;
        pixf->satd[PIXEL_8x8]  = x264_pixel_satd_8x8_ssse3;
        pixf->satd[PIXEL_8x4]  = x264_pixel_satd_8x4_ssse3;
Loren Merritt's avatar
Loren Merritt committed
541
#ifdef ARCH_X86_64
542 543
        pixf->sa8d[PIXEL_16x16]= x264_pixel_sa8d_16x16_ssse3;
        pixf->sa8d[PIXEL_8x8]  = x264_pixel_sa8d_8x8_ssse3;
544
#endif
Loren Merritt's avatar
Loren Merritt committed
545
#endif
546
    }
547
#endif //HAVE_MMX
548

549
#ifdef ARCH_PPC
Laurent Aimar's avatar
Laurent Aimar committed
550 551 552 553 554
    if( cpu&X264_CPU_ALTIVEC )
    {
        x264_pixel_altivec_init( pixf );
    }
#endif
555
#ifdef ARCH_UltraSparc
556 557 558 559
    pixf->sad[PIXEL_8x8]   = x264_pixel_sad_8x8_vis;
    pixf->sad[PIXEL_8x16]  = x264_pixel_sad_8x16_vis;
    pixf->sad[PIXEL_16x8]  = x264_pixel_sad_16x8_vis;
    pixf->sad[PIXEL_16x16] = x264_pixel_sad_16x16_vis;
560 561 562 563 564 565 566 567 568 569

    pixf->sad_x3[PIXEL_8x8]   = x264_pixel_sad_x3_8x8_vis;
    pixf->sad_x3[PIXEL_8x16]  = x264_pixel_sad_x3_8x16_vis;
    pixf->sad_x3[PIXEL_16x8]  = x264_pixel_sad_x3_16x8_vis;
    pixf->sad_x3[PIXEL_16x16] = x264_pixel_sad_x3_16x16_vis;

    pixf->sad_x4[PIXEL_8x8]   = x264_pixel_sad_x4_8x8_vis;
    pixf->sad_x4[PIXEL_8x16]  = x264_pixel_sad_x4_8x16_vis;
    pixf->sad_x4[PIXEL_16x8]  = x264_pixel_sad_x4_16x8_vis;
    pixf->sad_x4[PIXEL_16x16] = x264_pixel_sad_x4_16x16_vis;
570
#endif
Loren Merritt's avatar
Loren Merritt committed
571 572 573 574 575

    pixf->ads[PIXEL_8x16] =
    pixf->ads[PIXEL_8x4] =
    pixf->ads[PIXEL_4x8] = pixf->ads[PIXEL_16x8];
    pixf->ads[PIXEL_4x4] = pixf->ads[PIXEL_8x8];
Laurent Aimar's avatar
Laurent Aimar committed
576 577
}