pixel.c 40.7 KB
Newer Older
Laurent Aimar's avatar
Laurent Aimar committed
1
/*****************************************************************************
Fiona Glaser's avatar
Fiona Glaser committed
2
 * pixel.c: pixel metrics
Laurent Aimar's avatar
Laurent Aimar committed
3
 *****************************************************************************
Sean McGovern's avatar
Sean McGovern committed
4
 * Copyright (C) 2003-2011 x264 project
Laurent Aimar's avatar
Laurent Aimar committed
5
 *
6 7
 * Authors: Loren Merritt <lorenm@u.washington.edu>
 *          Laurent Aimar <fenrir@via.ecp.fr>
Fiona Glaser's avatar
Fiona Glaser committed
8
 *          Fiona Glaser <fiona@x264.com>
Laurent Aimar's avatar
Laurent Aimar committed
9 10 11 12 13 14 15 16 17 18 19 20 21
 *
 * 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
22
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111, USA.
Fiona Glaser's avatar
Fiona Glaser committed
23 24 25
 *
 * This program is also available under a commercial proprietary license.
 * For more information, contact us at licensing@x264.com.
Laurent Aimar's avatar
Laurent Aimar committed
26 27
 *****************************************************************************/

Loren Merritt's avatar
Loren Merritt committed
28
#include "common.h"
Laurent Aimar's avatar
Laurent Aimar committed
29

Steven Walters's avatar
Steven Walters committed
30
#if HAVE_MMX
31
#   include "x86/pixel.h"
Laurent Aimar's avatar
Laurent Aimar committed
32
#endif
Steven Walters's avatar
Steven Walters committed
33
#if ARCH_PPC
Laurent Aimar's avatar
Laurent Aimar committed
34 35
#   include "ppc/pixel.h"
#endif
Steven Walters's avatar
Steven Walters committed
36
#if ARCH_ARM
37 38
#   include "arm/pixel.h"
#endif
Sean McGovern's avatar
Sean McGovern committed
39
#if ARCH_UltraSPARC
40 41
#   include "sparc/pixel.h"
#endif
Laurent Aimar's avatar
Laurent Aimar committed
42 43 44 45 46 47


/****************************************************************************
 * pixel_sad_WxH
 ****************************************************************************/
#define PIXEL_SAD_C( name, lx, ly ) \
48 49
static int name( pixel *pix1, int i_stride_pix1,  \
                 pixel *pix2, int i_stride_pix2 ) \
Laurent Aimar's avatar
Laurent Aimar committed
50 51
{                                                   \
    int i_sum = 0;                                  \
52
    for( int y = 0; y < ly; y++ )                   \
Laurent Aimar's avatar
Laurent Aimar committed
53
    {                                               \
54
        for( int x = 0; x < lx; x++ )               \
Laurent Aimar's avatar
Laurent Aimar committed
55 56 57 58 59 60 61 62 63 64
        {                                           \
            i_sum += abs( pix1[x] - pix2[x] );      \
        }                                           \
        pix1 += i_stride_pix1;                      \
        pix2 += i_stride_pix2;                      \
    }                                               \
    return i_sum;                                   \
}


65 66 67 68 69 70 71
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
72

73 74 75 76 77

/****************************************************************************
 * pixel_ssd_WxH
 ****************************************************************************/
#define PIXEL_SSD_C( name, lx, ly ) \
78 79
static int name( pixel *pix1, int i_stride_pix1,  \
                 pixel *pix2, int i_stride_pix2 ) \
80 81
{                                                   \
    int i_sum = 0;                                  \
82
    for( int y = 0; y < ly; y++ )                   \
83
    {                                               \
84
        for( int x = 0; x < lx; x++ )               \
85 86 87 88 89 90 91 92 93 94
        {                                           \
            int d = pix1[x] - pix2[x];              \
            i_sum += d*d;                           \
        }                                           \
        pix1 += i_stride_pix1;                      \
        pix2 += i_stride_pix2;                      \
    }                                               \
    return i_sum;                                   \
}

95 96 97 98 99 100 101
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 )
102

103
uint64_t x264_pixel_ssd_wxh( x264_pixel_function_t *pf, pixel *pix1, int i_pix1, pixel *pix2, int i_pix2, int i_width, int i_height )
Loren Merritt's avatar
Loren Merritt committed
104
{
105
    uint64_t i_ssd = 0;
106
    int y;
Anton Mitrofanov's avatar
Anton Mitrofanov committed
107
    int align = !(((intptr_t)pix1 | (intptr_t)pix2 | i_pix1 | i_pix2) & 15);
Loren Merritt's avatar
Loren Merritt committed
108 109 110 111 112

#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 )
    {
113
        int x = 0;
Loren Merritt's avatar
Loren Merritt committed
114 115 116 117
        if( align )
            for( ; x < i_width-15; x += 16 )
                SSD(PIXEL_16x16);
        for( ; x < i_width-7; x += 8 )
Loren Merritt's avatar
Loren Merritt committed
118 119 120
            SSD(PIXEL_8x16);
    }
    if( y < i_height-7 )
121
        for( int x = 0; x < i_width-7; x += 8 )
Loren Merritt's avatar
Loren Merritt committed
122 123 124 125
            SSD(PIXEL_8x8);
#undef SSD

#define SSD1 { int d = pix1[y*i_pix1+x] - pix2[y*i_pix2+x]; i_ssd += d*d; }
126
    if( i_width & 7 )
Loren Merritt's avatar
Loren Merritt committed
127 128
    {
        for( y = 0; y < (i_height & ~7); y++ )
129
            for( int x = i_width & ~7; x < i_width; x++ )
Loren Merritt's avatar
Loren Merritt committed
130 131
                SSD1;
    }
132
    if( i_height & 7 )
Loren Merritt's avatar
Loren Merritt committed
133 134
    {
        for( y = i_height & ~7; y < i_height; y++ )
135
            for( int x = 0; x < i_width; x++ )
Loren Merritt's avatar
Loren Merritt committed
136 137 138 139 140 141 142
                SSD1;
    }
#undef SSD1

    return i_ssd;
}

143
static void pixel_ssd_nv12_core( pixel *pixuv1, int stride1, pixel *pixuv2, int stride2, int width, int height, uint64_t *ssd_u, uint64_t *ssd_v )
144
{
145
    *ssd_u = 0, *ssd_v = 0;
146 147 148 149 150
    for( int y = 0; y < height; y++, pixuv1+=stride1, pixuv2+=stride2 )
        for( int x = 0; x < width; x++ )
        {
            int du = pixuv1[2*x]   - pixuv2[2*x];
            int dv = pixuv1[2*x+1] - pixuv2[2*x+1];
151 152
            *ssd_u += du*du;
            *ssd_v += dv*dv;
153 154 155
        }
}

156
void x264_pixel_ssd_nv12( x264_pixel_function_t *pf, pixel *pix1, int i_pix1, pixel *pix2, int i_pix2, int i_width, int i_height, uint64_t *ssd_u, uint64_t *ssd_v )
157
{
158
    pf->ssd_nv12_core( pix1, i_pix1, pix2, i_pix2, i_width&~7, i_height, ssd_u, ssd_v );
159
    if( i_width&7 )
160 161 162 163 164 165
    {
        uint64_t tmp[2];
        pixel_ssd_nv12_core( pix1+(i_width&~7), i_pix1, pix2+(i_width&~7), i_pix2, i_width&7, i_height, &tmp[0], &tmp[1] );
        *ssd_u += tmp[0];
        *ssd_v += tmp[1];
    }
166
}
167

168 169 170
/****************************************************************************
 * pixel_var_wxh
 ****************************************************************************/
Fiona Glaser's avatar
Fiona Glaser committed
171
#define PIXEL_VAR_C( name, w ) \
172
static uint64_t name( pixel *pix, int i_stride ) \
173
{                                             \
Fiona Glaser's avatar
Fiona Glaser committed
174
    uint32_t sum = 0, sqr = 0;                \
175
    for( int y = 0; y < w; y++ )              \
176
    {                                         \
177
        for( int x = 0; x < w; x++ )          \
178 179 180 181 182 183
        {                                     \
            sum += pix[x];                    \
            sqr += pix[x] * pix[x];           \
        }                                     \
        pix += i_stride;                      \
    }                                         \
Fiona Glaser's avatar
Fiona Glaser committed
184
    return sum + ((uint64_t)sqr << 32);       \
185 186
}

Fiona Glaser's avatar
Fiona Glaser committed
187 188
PIXEL_VAR_C( x264_pixel_var_16x16, 16 )
PIXEL_VAR_C( x264_pixel_var_8x8,    8 )
189

190 191 192
/****************************************************************************
 * pixel_var2_wxh
 ****************************************************************************/
193
static int pixel_var2_8x8( pixel *pix1, int i_stride1, pixel *pix2, int i_stride2, int *ssd )
194 195
{
    uint32_t var = 0, sum = 0, sqr = 0;
196
    for( int y = 0; y < 8; y++ )
197
    {
198
        for( int x = 0; x < 8; x++ )
199 200 201 202 203 204 205 206 207
        {
            int diff = pix1[x] - pix2[x];
            sum += diff;
            sqr += diff * diff;
        }
        pix1 += i_stride1;
        pix2 += i_stride2;
    }
    sum = abs(sum);
208
    var = sqr - ((uint64_t)sum * sum >> 6);
209 210 211 212
    *ssd = sqr;
    return var;
}

213 214 215 216 217 218 219 220
#if BIT_DEPTH > 8
    typedef uint32_t sum_t;
    typedef uint64_t sum2_t;
#else
    typedef uint16_t sum_t;
    typedef uint32_t sum2_t;
#endif
#define BITS_PER_SUM (8 * sizeof(sum_t))
221

222
#define HADAMARD4(d0, d1, d2, d3, s0, s1, s2, s3) {\
223 224 225 226
    sum2_t t0 = s0 + s1;\
    sum2_t t1 = s0 - s1;\
    sum2_t t2 = s2 + s3;\
    sum2_t t3 = s2 - s3;\
Loren Merritt's avatar
Loren Merritt committed
227 228 229 230 231
    d0 = t0 + t2;\
    d2 = t0 - t2;\
    d1 = t1 + t3;\
    d3 = t1 - t3;\
}
232

233 234
// in: a pseudo-simd number of the form x+(y<<16)
// return: abs(x)+(abs(y)<<16)
235
static ALWAYS_INLINE sum2_t abs2( sum2_t a )
236
{
237
    sum2_t s = ((a>>(BITS_PER_SUM-1))&(((sum2_t)1<<BITS_PER_SUM)+1))*((sum_t)-1);
238 239 240
    return (a+s)^s;
}

241 242 243
/****************************************************************************
 * pixel_satd_WxH: sum of 4x4 Hadamard transformed differences
 ****************************************************************************/
Laurent Aimar's avatar
Laurent Aimar committed
244

245
static NOINLINE int x264_pixel_satd_4x4( pixel *pix1, int i_pix1, pixel *pix2, int i_pix2 )
246
{
247 248 249
    sum2_t tmp[4][2];
    sum2_t a0, a1, a2, a3, b0, b1;
    sum2_t sum = 0;
250
    for( int i = 0; i < 4; i++, pix1 += i_pix1, pix2 += i_pix2 )
Laurent Aimar's avatar
Laurent Aimar committed
251
    {
252 253
        a0 = pix1[0] - pix2[0];
        a1 = pix1[1] - pix2[1];
254
        b0 = (a0+a1) + ((a0-a1)<<BITS_PER_SUM);
255 256
        a2 = pix1[2] - pix2[2];
        a3 = pix1[3] - pix2[3];
257
        b1 = (a2+a3) + ((a2-a3)<<BITS_PER_SUM);
258 259
        tmp[i][0] = b0 + b1;
        tmp[i][1] = b0 - b1;
Laurent Aimar's avatar
Laurent Aimar committed
260
    }
261
    for( int i = 0; i < 2; i++ )
262
    {
263
        HADAMARD4( a0, a1, a2, a3, tmp[0][i], tmp[1][i], tmp[2][i], tmp[3][i] );
264
        a0 = abs2(a0) + abs2(a1) + abs2(a2) + abs2(a3);
265
        sum += ((sum_t)a0) + (a0>>BITS_PER_SUM);
266 267
    }
    return sum >> 1;
Laurent Aimar's avatar
Laurent Aimar committed
268 269
}

270
static NOINLINE int x264_pixel_satd_8x4( pixel *pix1, int i_pix1, pixel *pix2, int i_pix2 )
271
{
272 273 274
    sum2_t tmp[4][4];
    sum2_t a0, a1, a2, a3;
    sum2_t sum = 0;
275
    for( int i = 0; i < 4; i++, pix1 += i_pix1, pix2 += i_pix2 )
276
    {
277 278 279 280
        a0 = (pix1[0] - pix2[0]) + ((sum2_t)(pix1[4] - pix2[4]) << BITS_PER_SUM);
        a1 = (pix1[1] - pix2[1]) + ((sum2_t)(pix1[5] - pix2[5]) << BITS_PER_SUM);
        a2 = (pix1[2] - pix2[2]) + ((sum2_t)(pix1[6] - pix2[6]) << BITS_PER_SUM);
        a3 = (pix1[3] - pix2[3]) + ((sum2_t)(pix1[7] - pix2[7]) << BITS_PER_SUM);
281 282
        HADAMARD4( tmp[i][0], tmp[i][1], tmp[i][2], tmp[i][3], a0,a1,a2,a3 );
    }
283
    for( int i = 0; i < 4; i++ )
284
    {
285
        HADAMARD4( a0, a1, a2, a3, tmp[0][i], tmp[1][i], tmp[2][i], tmp[3][i] );
286 287
        sum += abs2(a0) + abs2(a1) + abs2(a2) + abs2(a3);
    }
288
    return (((sum_t)sum) + (sum>>BITS_PER_SUM)) >> 1;
289
}
Laurent Aimar's avatar
Laurent Aimar committed
290

291
#define PIXEL_SATD_C( w, h, sub )\
292
static int x264_pixel_satd_##w##x##h( pixel *pix1, int i_pix1, pixel *pix2, int i_pix2 )\
293 294 295 296 297 298 299 300 301 302 303 304 305
{\
    int sum = sub( pix1, i_pix1, pix2, i_pix2 )\
            + sub( pix1+4*i_pix1, i_pix1, pix2+4*i_pix2, i_pix2 );\
    if( w==16 )\
        sum+= sub( pix1+8, i_pix1, pix2+8, i_pix2 )\
            + sub( pix1+8+4*i_pix1, i_pix1, pix2+8+4*i_pix2, i_pix2 );\
    if( h==16 )\
        sum+= sub( pix1+8*i_pix1, i_pix1, pix2+8*i_pix2, i_pix2 )\
            + sub( pix1+12*i_pix1, i_pix1, pix2+12*i_pix2, i_pix2 );\
    if( w==16 && h==16 )\
        sum+= sub( pix1+8+8*i_pix1, i_pix1, pix2+8+8*i_pix2, i_pix2 )\
            + sub( pix1+8+12*i_pix1, i_pix1, pix2+8+12*i_pix2, i_pix2 );\
    return sum;\
306
}
307 308 309 310 311
PIXEL_SATD_C( 16, 16, x264_pixel_satd_8x4 )
PIXEL_SATD_C( 16, 8,  x264_pixel_satd_8x4 )
PIXEL_SATD_C( 8,  16, x264_pixel_satd_8x4 )
PIXEL_SATD_C( 8,  8,  x264_pixel_satd_8x4 )
PIXEL_SATD_C( 4,  8,  x264_pixel_satd_4x4 )
312 313


314
static NOINLINE int sa8d_8x8( pixel *pix1, int i_pix1, pixel *pix2, int i_pix2 )
315
{
316 317 318
    sum2_t tmp[8][4];
    sum2_t a0, a1, a2, a3, a4, a5, a6, a7, b0, b1, b2, b3;
    sum2_t sum = 0;
319
    for( int i = 0; i < 8; i++, pix1 += i_pix1, pix2 += i_pix2 )
320
    {
321 322
        a0 = pix1[0] - pix2[0];
        a1 = pix1[1] - pix2[1];
323
        b0 = (a0+a1) + ((a0-a1)<<BITS_PER_SUM);
324 325
        a2 = pix1[2] - pix2[2];
        a3 = pix1[3] - pix2[3];
326
        b1 = (a2+a3) + ((a2-a3)<<BITS_PER_SUM);
327 328
        a4 = pix1[4] - pix2[4];
        a5 = pix1[5] - pix2[5];
329
        b2 = (a4+a5) + ((a4-a5)<<BITS_PER_SUM);
330 331
        a6 = pix1[6] - pix2[6];
        a7 = pix1[7] - pix2[7];
332
        b3 = (a6+a7) + ((a6-a7)<<BITS_PER_SUM);
333
        HADAMARD4( tmp[i][0], tmp[i][1], tmp[i][2], tmp[i][3], b0,b1,b2,b3 );
334
    }
335
    for( int i = 0; i < 4; i++ )
336
    {
337 338
        HADAMARD4( a0, a1, a2, a3, tmp[0][i], tmp[1][i], tmp[2][i], tmp[3][i] );
        HADAMARD4( a4, a5, a6, a7, tmp[4][i], tmp[5][i], tmp[6][i], tmp[7][i] );
339 340 341 342
        b0  = abs2(a0+a4) + abs2(a0-a4);
        b0 += abs2(a1+a5) + abs2(a1-a5);
        b0 += abs2(a2+a6) + abs2(a2-a6);
        b0 += abs2(a3+a7) + abs2(a3-a7);
343
        sum += (sum_t)b0 + (b0>>BITS_PER_SUM);
344 345 346
    }
    return sum;
}
347

348
static int x264_pixel_sa8d_8x8( pixel *pix1, int i_pix1, pixel *pix2, int i_pix2 )
349 350 351
{
    int sum = sa8d_8x8( pix1, i_pix1, pix2, i_pix2 );
    return (sum+2)>>2;
352 353
}

354
static int x264_pixel_sa8d_16x16( pixel *pix1, int i_pix1, pixel *pix2, int i_pix2 )
355 356 357 358 359 360
{
    int sum = sa8d_8x8( pix1, i_pix1, pix2, i_pix2 )
            + sa8d_8x8( pix1+8, i_pix1, pix2+8, i_pix2 )
            + sa8d_8x8( pix1+8*i_pix1, i_pix1, pix2+8*i_pix2, i_pix2 )
            + sa8d_8x8( pix1+8+8*i_pix1, i_pix1, pix2+8+8*i_pix2, i_pix2 );
    return (sum+2)>>2;
361 362
}

Loren Merritt's avatar
Loren Merritt committed
363

364
static NOINLINE uint64_t pixel_hadamard_ac( pixel *pix, int stride )
Loren Merritt's avatar
Loren Merritt committed
365
{
366 367 368
    sum2_t tmp[32];
    sum2_t a0, a1, a2, a3, dc;
    sum2_t sum4 = 0, sum8 = 0;
369
    for( int i = 0; i < 8; i++, pix+=stride )
Loren Merritt's avatar
Loren Merritt committed
370
    {
371 372 373
        sum2_t *t = tmp + (i&3) + (i&4)*4;
        a0 = (pix[0]+pix[1]) + ((sum2_t)(pix[0]-pix[1])<<BITS_PER_SUM);
        a1 = (pix[2]+pix[3]) + ((sum2_t)(pix[2]-pix[3])<<BITS_PER_SUM);
374 375
        t[0] = a0 + a1;
        t[4] = a0 - a1;
376 377
        a2 = (pix[4]+pix[5]) + ((sum2_t)(pix[4]-pix[5])<<BITS_PER_SUM);
        a3 = (pix[6]+pix[7]) + ((sum2_t)(pix[6]-pix[7])<<BITS_PER_SUM);
378 379
        t[8] = a2 + a3;
        t[12] = a2 - a3;
Loren Merritt's avatar
Loren Merritt committed
380
    }
381
    for( int i = 0; i < 8; i++ )
Loren Merritt's avatar
Loren Merritt committed
382
    {
383
        HADAMARD4( a0, a1, a2, a3, tmp[i*4+0], tmp[i*4+1], tmp[i*4+2], tmp[i*4+3] );
384 385 386 387 388
        tmp[i*4+0] = a0;
        tmp[i*4+1] = a1;
        tmp[i*4+2] = a2;
        tmp[i*4+3] = a3;
        sum4 += abs2(a0) + abs2(a1) + abs2(a2) + abs2(a3);
Loren Merritt's avatar
Loren Merritt committed
389
    }
390
    for( int i = 0; i < 8; i++ )
Loren Merritt's avatar
Loren Merritt committed
391
    {
392 393
        HADAMARD4( a0,a1,a2,a3, tmp[i], tmp[8+i], tmp[16+i], tmp[24+i] );
        sum8 += abs2(a0) + abs2(a1) + abs2(a2) + abs2(a3);
Loren Merritt's avatar
Loren Merritt committed
394
    }
395 396 397
    dc = (sum_t)(tmp[0] + tmp[8] + tmp[16] + tmp[24]);
    sum4 = (sum_t)sum4 + (sum4>>BITS_PER_SUM) - dc;
    sum8 = (sum_t)sum8 + (sum8>>BITS_PER_SUM) - dc;
Loren Merritt's avatar
Loren Merritt committed
398 399 400 401
    return ((uint64_t)sum8<<32) + sum4;
}

#define HADAMARD_AC(w,h) \
402
static uint64_t x264_pixel_hadamard_ac_##w##x##h( pixel *pix, int stride )\
Loren Merritt's avatar
Loren Merritt committed
403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418
{\
    uint64_t sum = pixel_hadamard_ac( pix, stride );\
    if( w==16 )\
        sum += pixel_hadamard_ac( pix+8, stride );\
    if( h==16 )\
        sum += pixel_hadamard_ac( pix+8*stride, stride );\
    if( w==16 && h==16 )\
        sum += pixel_hadamard_ac( pix+8*stride+8, stride );\
    return ((sum>>34)<<32) + ((uint32_t)sum>>1);\
}
HADAMARD_AC( 16, 16 )
HADAMARD_AC( 16, 8 )
HADAMARD_AC( 8, 16 )
HADAMARD_AC( 8, 8 )


Loren Merritt's avatar
Loren Merritt committed
419 420 421
/****************************************************************************
 * pixel_sad_x4
 ****************************************************************************/
422
#define SAD_X( size ) \
423
static void x264_pixel_sad_x3_##size( pixel *fenc, pixel *pix0, pixel *pix1, pixel *pix2, int i_stride, int scores[3] )\
424 425 426 427 428
{\
    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 );\
}\
429
static void x264_pixel_sad_x4_##size( pixel *fenc, pixel *pix0, pixel *pix1, pixel *pix2, pixel *pix3, int i_stride, int scores[4] )\
430 431 432 433 434 435 436 437 438 439 440 441 442 443 444
{\
    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 )

445
#if !HIGH_BIT_DEPTH
Sean McGovern's avatar
Sean McGovern committed
446
#if ARCH_UltraSPARC
447 448 449 450 451
SAD_X( 16x16_vis )
SAD_X( 16x8_vis )
SAD_X( 8x16_vis )
SAD_X( 8x8_vis )
#endif
452
#endif // !HIGH_BIT_DEPTH
453

454 455 456 457 458 459
/****************************************************************************
 * pixel_satd_x4
 * no faster than single satd, but needed for satd to be a drop-in replacement for sad
 ****************************************************************************/

#define SATD_X( size, cpu ) \
460
static void x264_pixel_satd_x3_##size##cpu( pixel *fenc, pixel *pix0, pixel *pix1, pixel *pix2, int i_stride, int scores[3] )\
461 462 463 464 465
{\
    scores[0] = x264_pixel_satd_##size##cpu( fenc, FENC_STRIDE, pix0, i_stride );\
    scores[1] = x264_pixel_satd_##size##cpu( fenc, FENC_STRIDE, pix1, i_stride );\
    scores[2] = x264_pixel_satd_##size##cpu( fenc, FENC_STRIDE, pix2, i_stride );\
}\
466
static void x264_pixel_satd_x4_##size##cpu( pixel *fenc, pixel *pix0, pixel *pix1, pixel *pix2, pixel *pix3, int i_stride, int scores[4] )\
467 468 469 470 471 472
{\
    scores[0] = x264_pixel_satd_##size##cpu( fenc, FENC_STRIDE, pix0, i_stride );\
    scores[1] = x264_pixel_satd_##size##cpu( fenc, FENC_STRIDE, pix1, i_stride );\
    scores[2] = x264_pixel_satd_##size##cpu( fenc, FENC_STRIDE, pix2, i_stride );\
    scores[3] = x264_pixel_satd_##size##cpu( fenc, FENC_STRIDE, pix3, i_stride );\
}
473
#define SATD_X_DECL6( cpu )\
474 475 476 477
SATD_X( 16x16, cpu )\
SATD_X( 16x8, cpu )\
SATD_X( 8x16, cpu )\
SATD_X( 8x8, cpu )\
478 479
SATD_X( 8x4, cpu )\
SATD_X( 4x8, cpu )
480
#define SATD_X_DECL7( cpu )\
481
SATD_X_DECL6( cpu )\
482 483 484
SATD_X( 4x4, cpu )

SATD_X_DECL7()
Steven Walters's avatar
Steven Walters committed
485
#if HAVE_MMX
486
SATD_X_DECL7( _mmxext )
487
#if !HIGH_BIT_DEPTH
488
SATD_X_DECL6( _sse2 )
Fiona Glaser's avatar
Fiona Glaser committed
489
SATD_X_DECL7( _ssse3 )
490
SATD_X_DECL7( _sse4 )
491
SATD_X_DECL7( _avx )
492
#endif // !HIGH_BIT_DEPTH
493 494
#endif

495
#if !HIGH_BIT_DEPTH
Steven Walters's avatar
Steven Walters committed
496
#if HAVE_ARMV6
497 498
SATD_X_DECL7( _neon )
#endif
499
#endif // !HIGH_BIT_DEPTH
500

501 502
#define INTRA_MBCMP_8x8( mbcmp, cpu )\
void x264_intra_##mbcmp##_x3_8x8##cpu( pixel *fenc, pixel edge[33], int res[3] )\
503
{\
504
    ALIGNED_ARRAY_16( pixel, pix, [8*FDEC_STRIDE] );\
505
    x264_predict_8x8_v_c( pix, edge );\
506
    res[0] = x264_pixel_##mbcmp##_8x8##cpu( pix, FDEC_STRIDE, fenc, FENC_STRIDE );\
507
    x264_predict_8x8_h_c( pix, edge );\
508
    res[1] = x264_pixel_##mbcmp##_8x8##cpu( pix, FDEC_STRIDE, fenc, FENC_STRIDE );\
509
    x264_predict_8x8_dc_c( pix, edge );\
510
    res[2] = x264_pixel_##mbcmp##_8x8##cpu( pix, FDEC_STRIDE, fenc, FENC_STRIDE );\
511 512
}

513 514
INTRA_MBCMP_8x8( sad, )
INTRA_MBCMP_8x8(sa8d, )
515
#if HIGH_BIT_DEPTH && HAVE_MMX
516 517 518 519 520
INTRA_MBCMP_8x8( sad, _mmxext)
INTRA_MBCMP_8x8( sad, _sse2  )
INTRA_MBCMP_8x8( sad, _ssse3 )
INTRA_MBCMP_8x8(sa8d, _sse2  )
#endif
521

522 523
#define INTRA_MBCMP( mbcmp, size, pred1, pred2, pred3, chroma, cpu )\
void x264_intra_##mbcmp##_x3_##size##x##size##chroma##cpu( pixel *fenc, pixel *fdec, int res[3] )\
524 525
{\
    x264_predict_##size##x##size##chroma##_##pred1##_c( fdec );\
526
    res[0] = x264_pixel_##mbcmp##_##size##x##size##cpu( fdec, FDEC_STRIDE, fenc, FENC_STRIDE );\
527
    x264_predict_##size##x##size##chroma##_##pred2##_c( fdec );\
528
    res[1] = x264_pixel_##mbcmp##_##size##x##size##cpu( fdec, FDEC_STRIDE, fenc, FENC_STRIDE );\
529
    x264_predict_##size##x##size##chroma##_##pred3##_c( fdec );\
530
    res[2] = x264_pixel_##mbcmp##_##size##x##size##cpu( fdec, FDEC_STRIDE, fenc, FENC_STRIDE );\
531 532
}

533 534 535 536 537 538 539
INTRA_MBCMP( sad,  4,  v, h, dc,  , )
INTRA_MBCMP(satd,  4,  v, h, dc,  , )
INTRA_MBCMP( sad,  8, dc, h,  v, c, )
INTRA_MBCMP(satd,  8, dc, h,  v, c, )
INTRA_MBCMP( sad, 16,  v, h, dc,  , )
INTRA_MBCMP(satd, 16,  v, h, dc,  , )

540
#if HIGH_BIT_DEPTH && HAVE_MMX
541 542 543 544 545 546 547 548 549 550 551
INTRA_MBCMP( sad,  4,  v, h, dc,  , _mmxext)
INTRA_MBCMP(satd,  4,  v, h, dc,  , _mmxext)
INTRA_MBCMP( sad,  8, dc, h,  v, c, _mmxext)
INTRA_MBCMP(satd,  8, dc, h,  v, c, _mmxext)
INTRA_MBCMP( sad, 16,  v, h, dc,  , _mmxext)
INTRA_MBCMP(satd, 16,  v, h, dc,  , _mmxext)
INTRA_MBCMP( sad,  8, dc, h,  v, c, _sse2  )
INTRA_MBCMP( sad, 16,  v, h, dc,  , _sse2  )
INTRA_MBCMP( sad,  8, dc, h,  v, c, _ssse3 )
INTRA_MBCMP( sad, 16,  v, h, dc,  , _ssse3 )
#endif
552

Loren Merritt's avatar
Loren Merritt committed
553 554 555
/****************************************************************************
 * structural similarity metric
 ****************************************************************************/
556 557
static void ssim_4x4x2_core( const pixel *pix1, int stride1,
                             const pixel *pix2, int stride2,
558 559
                             int sums[2][4])
{
560
    for( int z = 0; z < 2; z++ )
561
    {
562 563 564
        uint32_t s1 = 0, s2 = 0, ss = 0, s12 = 0;
        for( int y = 0; y < 4; y++ )
            for( int x = 0; x < 4; x++ )
565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584
            {
                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 )
{
585 586 587 588 589 590 591 592 593
/* Maximum value for 10-bit is: ss*64 = (2^10-1)^2*16*4*64 = 4286582784, which will overflow in some cases.
 * s1*s1, s2*s2, and s1*s2 also obtain this value for edge cases: ((2^10-1)*16*4)^2 = 4286582784.
 * Maximum value for 9-bit is: ss*64 = (2^9-1)^2*16*4*64 = 1069551616, which will not overflow. */
#if BIT_DEPTH > 9
#define type float
    static const float ssim_c1 = .01*.01*PIXEL_MAX*PIXEL_MAX*64;
    static const float ssim_c2 = .03*.03*PIXEL_MAX*PIXEL_MAX*64*63;
#else
#define type int
594 595
    static const int ssim_c1 = (int)(.01*.01*PIXEL_MAX*PIXEL_MAX*64 + .5);
    static const int ssim_c2 = (int)(.03*.03*PIXEL_MAX*PIXEL_MAX*64*63 + .5);
596 597 598 599 600 601 602 603 604 605
#endif
    type fs1 = s1;
    type fs2 = s2;
    type fss = ss;
    type fs12 = s12;
    type vars = fss*64 - fs1*fs1 - fs2*fs2;
    type covar = fs12*64 - fs1*fs2;
    return (float)(2*fs1*fs2 + ssim_c1) * (float)(2*covar + ssim_c2)
         / ((float)(fs1*fs1 + fs2*fs2 + ssim_c1) * (float)(vars + ssim_c2));
#undef type
606 607 608 609 610
}

static float ssim_end4( int sum0[5][4], int sum1[5][4], int width )
{
    float ssim = 0.0;
611
    for( int i = 0; i < width; i++ )
612 613 614 615 616 617 618 619
        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,
620 621
                           pixel *pix1, int stride1,
                           pixel *pix2, int stride2,
622
                           int width, int height, void *buf )
623
{
624
    int z = 0;
625
    float ssim = 0.0;
626
    int (*sum0)[4] = buf;
627
    int (*sum1)[4] = sum0 + (width >> 2) + 3;
628 629
    width >>= 2;
    height >>= 2;
630
    for( int y = 1; y < height; y++ )
631 632 633 634
    {
        for( ; z <= y; z++ )
        {
            XCHG( void*, sum0, sum1 );
635
            for( int x = 0; x < width; x+=2 )
636 637
                pf->ssim_4x4x2_core( &pix1[4*(x+z*stride1)], stride1, &pix2[4*(x+z*stride2)], stride2, &sum0[x] );
        }
638
        for( int x = 0; x < width-1; x += 4 )
639 640
            ssim += pf->ssim_end4( sum0+x, sum1+x, X264_MIN(4,width-x-1) );
    }
641
    return ssim;
642 643
}

644
int pixel_vsad( pixel *src, int stride, int height )
645 646
{
    int score = 0;
647
    for( int i = 1; i < height; i++, src += stride )
648 649 650 651
        for( int j = 0; j < 16; j++ )
            score += abs(src[j] - src[j+stride]);
    return score;
}
652

653
int x264_field_vsad( x264_t *h, int mb_x, int mb_y )
654 655
{
    int score_field, score_frame;
656 657 658 659 660 661 662 663 664
    int stride = h->fenc->i_stride[0];
    pixel *fenc = h->fenc->plane[0] + 16 * (mb_x + mb_y * stride);

    /* We don't want to analyze pixels outside the frame, as it gives inaccurate results. */
    int mbpair_height = X264_MIN( h->param.i_height - mb_y * 16, 32 );
    score_frame  = h->pixf.vsad( fenc,          stride, mbpair_height );
    score_field  = h->pixf.vsad( fenc,        stride*2, mbpair_height >> 1 );
    score_field += h->pixf.vsad( fenc+stride, stride*2, mbpair_height >> 1 );

665 666 667
    return (score_field < score_frame);
}

Loren Merritt's avatar
Loren Merritt committed
668 669 670
/****************************************************************************
 * successive elimination
 ****************************************************************************/
671 672
static int x264_pixel_ads4( int enc_dc[4], uint16_t *sums, int delta,
                            uint16_t *cost_mvx, int16_t *mvs, int width, int thresh )
Loren Merritt's avatar
Loren Merritt committed
673
{
674 675
    int nmv = 0;
    for( int i = 0; i < width; i++, sums++ )
676 677 678 679 680 681 682 683 684 685
    {
        int ads = 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] )
                + cost_mvx[i];
        if( ads < thresh )
            mvs[nmv++] = i;
    }
    return nmv;
Loren Merritt's avatar
Loren Merritt committed
686 687
}

688 689
static int x264_pixel_ads2( int enc_dc[2], uint16_t *sums, int delta,
                            uint16_t *cost_mvx, int16_t *mvs, int width, int thresh )
Loren Merritt's avatar
Loren Merritt committed
690
{
691 692
    int nmv = 0;
    for( int i = 0; i < width; i++, sums++ )
693 694 695 696 697 698 699 700
    {
        int ads = abs( enc_dc[0] - sums[0] )
                + abs( enc_dc[1] - sums[delta] )
                + cost_mvx[i];
        if( ads < thresh )
            mvs[nmv++] = i;
    }
    return nmv;
Loren Merritt's avatar
Loren Merritt committed
701 702
}

703 704
static int x264_pixel_ads1( int enc_dc[1], uint16_t *sums, int delta,
                            uint16_t *cost_mvx, int16_t *mvs, int width, int thresh )
Loren Merritt's avatar
Loren Merritt committed
705
{
706 707
    int nmv = 0;
    for( int i = 0; i<width; i++, sums++ )
708 709 710 711 712 713 714
    {
        int ads = abs( enc_dc[0] - sums[0] )
                + cost_mvx[i];
        if( ads < thresh )
            mvs[nmv++] = i;
    }
    return nmv;
Loren Merritt's avatar
Loren Merritt committed
715 716 717
}


Laurent Aimar's avatar
Laurent Aimar committed
718 719 720 721 722
/****************************************************************************
 * x264_pixel_init:
 ****************************************************************************/
void x264_pixel_init( int cpu, x264_pixel_function_t *pixf )
{
723 724
    memset( pixf, 0, sizeof(*pixf) );

725 726 727 728 729 730 731 732 733 734
#define INIT2_NAME( name1, name2, cpu ) \
    pixf->name1[PIXEL_16x16] = x264_pixel_##name2##_16x16##cpu;\
    pixf->name1[PIXEL_16x8]  = x264_pixel_##name2##_16x8##cpu;
#define INIT4_NAME( name1, name2, cpu ) \
    INIT2_NAME( name1, name2, cpu ) \
    pixf->name1[PIXEL_8x16]  = x264_pixel_##name2##_8x16##cpu;\
    pixf->name1[PIXEL_8x8]   = x264_pixel_##name2##_8x8##cpu;
#define INIT5_NAME( name1, name2, cpu ) \
    INIT4_NAME( name1, name2, cpu ) \
    pixf->name1[PIXEL_8x4]   = x264_pixel_##name2##_8x4##cpu;
735
#define INIT6_NAME( name1, name2, cpu ) \
736
    INIT5_NAME( name1, name2, cpu ) \
737 738 739
    pixf->name1[PIXEL_4x8]   = x264_pixel_##name2##_4x8##cpu;
#define INIT7_NAME( name1, name2, cpu ) \
    INIT6_NAME( name1, name2, cpu ) \
740 741 742 743
    pixf->name1[PIXEL_4x4]   = x264_pixel_##name2##_4x4##cpu;
#define INIT2( name, cpu ) INIT2_NAME( name, name, cpu )
#define INIT4( name, cpu ) INIT4_NAME( name, name, cpu )
#define INIT5( name, cpu ) INIT5_NAME( name, name, cpu )
744
#define INIT6( name, cpu ) INIT6_NAME( name, name, cpu )
745
#define INIT7( name, cpu ) INIT7_NAME( name, name, cpu )
746

747 748 749 750 751
#define INIT_ADS( cpu ) \
    pixf->ads[PIXEL_16x16] = x264_pixel_ads4##cpu;\
    pixf->ads[PIXEL_16x8] = x264_pixel_ads2##cpu;\
    pixf->ads[PIXEL_8x8] = x264_pixel_ads1##cpu;

752
    INIT7( sad, );
753
    INIT7_NAME( sad_aligned, sad, );
754 755 756 757
    INIT7( sad_x3, );
    INIT7( sad_x4, );
    INIT7( ssd, );
    INIT7( satd, );
758 759
    INIT7( satd_x3, );
    INIT7( satd_x4, );
Loren Merritt's avatar
Loren Merritt committed
760
    INIT4( hadamard_ac, );
761
    INIT_ADS( );
762

763 764
    pixf->sa8d[PIXEL_16x16] = x264_pixel_sa8d_16x16;
    pixf->sa8d[PIXEL_8x8]   = x264_pixel_sa8d_8x8;
765 766 767
    pixf->var[PIXEL_16x16] = x264_pixel_var_16x16;
    pixf->var[PIXEL_8x8]   = x264_pixel_var_8x8;

768
    pixf->ssd_nv12_core = pixel_ssd_nv12_core;
769 770
    pixf->ssim_4x4x2_core = ssim_4x4x2_core;
    pixf->ssim_end4 = ssim_end4;
771
    pixf->var2_8x8 = pixel_var2_8x8;
772
    pixf->vsad = pixel_vsad;
773

774 775 776 777 778 779 780 781 782
    pixf->intra_sad_x3_4x4    = x264_intra_sad_x3_4x4;
    pixf->intra_satd_x3_4x4   = x264_intra_satd_x3_4x4;
    pixf->intra_sad_x3_8x8    = x264_intra_sad_x3_8x8;
    pixf->intra_sa8d_x3_8x8   = x264_intra_sa8d_x3_8x8;
    pixf->intra_sad_x3_8x8c   = x264_intra_sad_x3_8x8c;
    pixf->intra_satd_x3_8x8c  = x264_intra_satd_x3_8x8c;
    pixf->intra_sad_x3_16x16  = x264_intra_sad_x3_16x16;
    pixf->intra_satd_x3_16x16 = x264_intra_satd_x3_16x16;

783
#if HIGH_BIT_DEPTH
784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820
#if HAVE_MMX
    if( cpu&X264_CPU_MMXEXT )
    {
        INIT7( sad, _mmxext );
        INIT7( sad_x3, _mmxext );
        INIT7( sad_x4, _mmxext );
        INIT7( satd, _mmxext );
        INIT7( satd_x3, _mmxext );
        INIT7( satd_x4, _mmxext );
        INIT4( hadamard_ac, _mmxext );
        INIT7( ssd, _mmxext );
        INIT_ADS( _mmxext );

        pixf->ssd_nv12_core = x264_pixel_ssd_nv12_core_mmxext;
        pixf->var[PIXEL_16x16] = x264_pixel_var_16x16_mmxext;
        pixf->var[PIXEL_8x8]   = x264_pixel_var_8x8_mmxext;
        pixf->var2_8x8 = x264_pixel_var2_8x8_mmxext;

        pixf->intra_sad_x3_4x4    = x264_intra_sad_x3_4x4_mmxext;
        pixf->intra_satd_x3_4x4   = x264_intra_satd_x3_4x4_mmxext;
        pixf->intra_sad_x3_8x8    = x264_intra_sad_x3_8x8_mmxext;
        pixf->intra_sad_x3_8x8c   = x264_intra_sad_x3_8x8c_mmxext;
        pixf->intra_satd_x3_8x8c  = x264_intra_satd_x3_8x8c_mmxext;
        pixf->intra_sad_x3_16x16  = x264_intra_sad_x3_16x16_mmxext;
        pixf->intra_satd_x3_16x16 = x264_intra_satd_x3_16x16_mmxext;
    }
    if( cpu&X264_CPU_SSE2 )
    {
        INIT4_NAME( sad_aligned, sad, _sse2_aligned );
        INIT5( ssd, _sse2 );

        pixf->sa8d[PIXEL_16x16] = x264_pixel_sa8d_16x16_sse2;
        pixf->sa8d[PIXEL_8x8]   = x264_pixel_sa8d_8x8_sse2;
#if ARCH_X86_64
        pixf->intra_sa8d_x3_8x8 = x264_intra_sa8d_x3_8x8_sse2;
#endif
        pixf->ssd_nv12_core = x264_pixel_ssd_nv12_core_sse2;
821 822
        pixf->ssim_4x4x2_core  = x264_pixel_ssim_4x4x2_core_sse2;
        pixf->ssim_end4        = x264_pixel_ssim_end4_sse2;
823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854
        pixf->var[PIXEL_16x16] = x264_pixel_var_16x16_sse2;
        pixf->var[PIXEL_8x8] = x264_pixel_var_8x8_sse2;
        pixf->var2_8x8 = x264_pixel_var2_8x8_sse2;
    }
    if( (cpu&X264_CPU_SSE2) && !(cpu&X264_CPU_SSE2_IS_SLOW) )
    {
        INIT5( sad, _sse2 );
        INIT2( sad_x3, _sse2 );
        INIT2( sad_x4, _sse2 );
        INIT_ADS( _sse2 );

        if( !(cpu&X264_CPU_STACK_MOD4) )
        {
            INIT4( hadamard_ac, _sse2 );
        }

        pixf->intra_sad_x3_8x8    = x264_intra_sad_x3_8x8_sse2;
        pixf->intra_sad_x3_8x8c   = x264_intra_sad_x3_8x8c_sse2;
        pixf->intra_sad_x3_16x16  = x264_intra_sad_x3_16x16_sse2;
    }
    if( cpu&X264_CPU_SSE2_IS_FAST )
    {
        pixf->sad[PIXEL_8x16] = x264_pixel_sad_8x16_sse2;
        pixf->sad_x3[PIXEL_8x16] = x264_pixel_sad_x3_8x16_sse2;
        pixf->sad_x3[PIXEL_8x8]  = x264_pixel_sad_x3_8x8_sse2;
        pixf->sad_x3[PIXEL_8x4]  = x264_pixel_sad_x3_8x4_sse2;
        pixf->sad_x4[PIXEL_8x16] = x264_pixel_sad_x4_8x16_sse2;
        pixf->sad_x4[PIXEL_8x8]  = x264_pixel_sad_x4_8x8_sse2;
        pixf->sad_x4[PIXEL_8x4]  = x264_pixel_sad_x4_8x4_sse2;
    }
    if( cpu&X264_CPU_SSSE3 )
    {
855
        INIT4_NAME( sad_aligned, sad, _ssse3_aligned );
856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872
        INIT7( sad, _ssse3 );
        INIT7( sad_x3, _ssse3 );
        INIT7( sad_x4, _ssse3 );
        INIT_ADS( _ssse3 );

        if( !(cpu&X264_CPU_STACK_MOD4) )
        {
            INIT4( hadamard_ac, _ssse3 );
        }

        pixf->sa8d[PIXEL_16x16]= x264_pixel_sa8d_16x16_ssse3;
        pixf->sa8d[PIXEL_8x8]  = x264_pixel_sa8d_8x8_ssse3;
        pixf->intra_sad_x3_8x8    = x264_intra_sad_x3_8x8_ssse3;
        pixf->intra_sad_x3_8x8c   = x264_intra_sad_x3_8x8c_ssse3;
        pixf->intra_sad_x3_16x16  = x264_intra_sad_x3_16x16_ssse3;
    }
#endif // HAVE_MMX
873
#else // !HIGH_BIT_DEPTH
Steven Walters's avatar
Steven Walters committed
874
#if HAVE_MMX
875 876
    if( cpu&X264_CPU_MMX )
    {
877
        INIT7( ssd, _mmx );
878 879
    }

Laurent Aimar's avatar
Laurent Aimar committed
880 881
    if( cpu&X264_CPU_MMXEXT )
    {
882
        INIT7( sad, _mmxext );
883
        INIT7_NAME( sad_aligned, sad, _mmxext );
884 885 886
        INIT7( sad_x3, _mmxext );
        INIT7( sad_x4, _mmxext );
        INIT7( satd, _mmxext );
887 888
        INIT7( satd_x3, _mmxext );
        INIT7( satd_x4, _mmxext );
Loren Merritt's avatar
Loren Merritt committed
889
        INIT4( hadamard_ac, _mmxext );
890
        INIT_ADS( _mmxext );
891 892
        pixf->var[PIXEL_16x16] = x264_pixel_var_16x16_mmxext;
        pixf->var[PIXEL_8x8]   = x264_pixel_var_8x8_mmxext;
893
        pixf->ssd_nv12_core    = x264_pixel_ssd_nv12_core_mmxext;
Steven Walters's avatar
Steven Walters committed
894
#if ARCH_X86
895 896
        pixf->sa8d[PIXEL_16x16] = x264_pixel_sa8d_16x16_mmxext;
        pixf->sa8d[PIXEL_8x8]   = x264_pixel_sa8d_8x8_mmxext;
897
        pixf->intra_sa8d_x3_8x8 = x264_intra_sa8d_x3_8x8_mmxext;
898
        pixf->ssim_4x4x2_core  = x264_pixel_ssim_4x4x2_core_mmxext;
899
        pixf->var2_8x8 = x264_pixel_var2_8x8_mmxext;
900
        pixf->vsad = x264_pixel_vsad_mmxext;