1 /*****************************************************************************
2 * pixel.c: pixel metrics
3 *****************************************************************************
4 * Copyright (C) 2003-2014 x264 project
6 * Authors: Loren Merritt <lorenm@u.washington.edu>
7 * Laurent Aimar <fenrir@via.ecp.fr>
8 * Fiona Glaser <fiona@x264.com>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
24 * This program is also available under a commercial proprietary license.
25 * For more information, contact us at licensing@x264.com.
26 *****************************************************************************/
31 # include "x86/pixel.h"
32 # include "x86/predict.h"
35 # include "ppc/pixel.h"
38 # include "arm/pixel.h"
41 # include "sparc/pixel.h"
45 /****************************************************************************
47 ****************************************************************************/
48 #define PIXEL_SAD_C( name, lx, ly ) \
49 static int name( pixel *pix1, intptr_t i_stride_pix1, \
50 pixel *pix2, intptr_t i_stride_pix2 ) \
53 for( int y = 0; y < ly; y++ ) \
55 for( int x = 0; x < lx; x++ ) \
57 i_sum += abs( pix1[x] - pix2[x] ); \
59 pix1 += i_stride_pix1; \
60 pix2 += i_stride_pix2; \
66 PIXEL_SAD_C( x264_pixel_sad_16x16, 16, 16 )
67 PIXEL_SAD_C( x264_pixel_sad_16x8, 16, 8 )
68 PIXEL_SAD_C( x264_pixel_sad_8x16, 8, 16 )
69 PIXEL_SAD_C( x264_pixel_sad_8x8, 8, 8 )
70 PIXEL_SAD_C( x264_pixel_sad_8x4, 8, 4 )
71 PIXEL_SAD_C( x264_pixel_sad_4x16, 4, 16 )
72 PIXEL_SAD_C( x264_pixel_sad_4x8, 4, 8 )
73 PIXEL_SAD_C( x264_pixel_sad_4x4, 4, 4 )
75 /****************************************************************************
77 ****************************************************************************/
78 #define PIXEL_SSD_C( name, lx, ly ) \
79 static int name( pixel *pix1, intptr_t i_stride_pix1, \
80 pixel *pix2, intptr_t i_stride_pix2 ) \
83 for( int y = 0; y < ly; y++ ) \
85 for( int x = 0; x < lx; x++ ) \
87 int d = pix1[x] - pix2[x]; \
90 pix1 += i_stride_pix1; \
91 pix2 += i_stride_pix2; \
96 PIXEL_SSD_C( x264_pixel_ssd_16x16, 16, 16 )
97 PIXEL_SSD_C( x264_pixel_ssd_16x8, 16, 8 )
98 PIXEL_SSD_C( x264_pixel_ssd_8x16, 8, 16 )
99 PIXEL_SSD_C( x264_pixel_ssd_8x8, 8, 8 )
100 PIXEL_SSD_C( x264_pixel_ssd_8x4, 8, 4 )
101 PIXEL_SSD_C( x264_pixel_ssd_4x16, 4, 16 )
102 PIXEL_SSD_C( x264_pixel_ssd_4x8, 4, 8 )
103 PIXEL_SSD_C( x264_pixel_ssd_4x4, 4, 4 )
105 uint64_t x264_pixel_ssd_wxh( x264_pixel_function_t *pf, pixel *pix1, intptr_t i_pix1,
106 pixel *pix2, intptr_t i_pix2, int i_width, int i_height )
110 int align = !(((intptr_t)pix1 | (intptr_t)pix2 | i_pix1 | i_pix2) & 15);
112 #define SSD(size) i_ssd += pf->ssd[size]( pix1 + y*i_pix1 + x, i_pix1, \
113 pix2 + y*i_pix2 + x, i_pix2 );
114 for( y = 0; y < i_height-15; y += 16 )
118 for( ; x < i_width-15; x += 16 )
120 for( ; x < i_width-7; x += 8 )
124 for( int x = 0; x < i_width-7; x += 8 )
128 #define SSD1 { int d = pix1[y*i_pix1+x] - pix2[y*i_pix2+x]; i_ssd += d*d; }
131 for( y = 0; y < (i_height & ~7); y++ )
132 for( int x = i_width & ~7; x < i_width; x++ )
137 for( y = i_height & ~7; y < i_height; y++ )
138 for( int x = 0; x < i_width; x++ )
146 static void pixel_ssd_nv12_core( pixel *pixuv1, intptr_t stride1, pixel *pixuv2, intptr_t stride2,
147 int width, int height, uint64_t *ssd_u, uint64_t *ssd_v )
149 *ssd_u = 0, *ssd_v = 0;
150 for( int y = 0; y < height; y++, pixuv1+=stride1, pixuv2+=stride2 )
151 for( int x = 0; x < width; x++ )
153 int du = pixuv1[2*x] - pixuv2[2*x];
154 int dv = pixuv1[2*x+1] - pixuv2[2*x+1];
160 void x264_pixel_ssd_nv12( x264_pixel_function_t *pf, pixel *pix1, intptr_t i_pix1, pixel *pix2, intptr_t i_pix2,
161 int i_width, int i_height, uint64_t *ssd_u, uint64_t *ssd_v )
163 pf->ssd_nv12_core( pix1, i_pix1, pix2, i_pix2, i_width&~7, i_height, ssd_u, ssd_v );
167 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] );
173 /****************************************************************************
175 ****************************************************************************/
176 #define PIXEL_VAR_C( name, w, h ) \
177 static uint64_t name( pixel *pix, intptr_t i_stride ) \
179 uint32_t sum = 0, sqr = 0; \
180 for( int y = 0; y < h; y++ ) \
182 for( int x = 0; x < w; x++ ) \
185 sqr += pix[x] * pix[x]; \
189 return sum + ((uint64_t)sqr << 32); \
192 PIXEL_VAR_C( x264_pixel_var_16x16, 16, 16 )
193 PIXEL_VAR_C( x264_pixel_var_8x16, 8, 16 )
194 PIXEL_VAR_C( x264_pixel_var_8x8, 8, 8 )
196 /****************************************************************************
198 ****************************************************************************/
199 #define PIXEL_VAR2_C( name, w, h, shift ) \
200 static int name( pixel *pix1, intptr_t i_stride1, pixel *pix2, intptr_t i_stride2, int *ssd ) \
202 uint32_t var = 0, sum = 0, sqr = 0; \
203 for( int y = 0; y < h; y++ ) \
205 for( int x = 0; x < w; x++ ) \
207 int diff = pix1[x] - pix2[x]; \
209 sqr += diff * diff; \
215 var = sqr - ((uint64_t)sum * sum >> shift); \
220 PIXEL_VAR2_C( x264_pixel_var2_8x16, 8, 16, 7 )
221 PIXEL_VAR2_C( x264_pixel_var2_8x8, 8, 8, 6 )
224 typedef uint32_t sum_t;
225 typedef uint64_t sum2_t;
227 typedef uint16_t sum_t;
228 typedef uint32_t sum2_t;
230 #define BITS_PER_SUM (8 * sizeof(sum_t))
232 #define HADAMARD4(d0, d1, d2, d3, s0, s1, s2, s3) {\
233 sum2_t t0 = s0 + s1;\
234 sum2_t t1 = s0 - s1;\
235 sum2_t t2 = s2 + s3;\
236 sum2_t t3 = s2 - s3;\
243 // in: a pseudo-simd number of the form x+(y<<16)
244 // return: abs(x)+(abs(y)<<16)
245 static ALWAYS_INLINE sum2_t abs2( sum2_t a )
247 sum2_t s = ((a>>(BITS_PER_SUM-1))&(((sum2_t)1<<BITS_PER_SUM)+1))*((sum_t)-1);
251 /****************************************************************************
252 * pixel_satd_WxH: sum of 4x4 Hadamard transformed differences
253 ****************************************************************************/
255 static NOINLINE int x264_pixel_satd_4x4( pixel *pix1, intptr_t i_pix1, pixel *pix2, intptr_t i_pix2 )
258 sum2_t a0, a1, a2, a3, b0, b1;
260 for( int i = 0; i < 4; i++, pix1 += i_pix1, pix2 += i_pix2 )
262 a0 = pix1[0] - pix2[0];
263 a1 = pix1[1] - pix2[1];
264 b0 = (a0+a1) + ((a0-a1)<<BITS_PER_SUM);
265 a2 = pix1[2] - pix2[2];
266 a3 = pix1[3] - pix2[3];
267 b1 = (a2+a3) + ((a2-a3)<<BITS_PER_SUM);
271 for( int i = 0; i < 2; i++ )
273 HADAMARD4( a0, a1, a2, a3, tmp[0][i], tmp[1][i], tmp[2][i], tmp[3][i] );
274 a0 = abs2(a0) + abs2(a1) + abs2(a2) + abs2(a3);
275 sum += ((sum_t)a0) + (a0>>BITS_PER_SUM);
280 static NOINLINE int x264_pixel_satd_8x4( pixel *pix1, intptr_t i_pix1, pixel *pix2, intptr_t i_pix2 )
283 sum2_t a0, a1, a2, a3;
285 for( int i = 0; i < 4; i++, pix1 += i_pix1, pix2 += i_pix2 )
287 a0 = (pix1[0] - pix2[0]) + ((sum2_t)(pix1[4] - pix2[4]) << BITS_PER_SUM);
288 a1 = (pix1[1] - pix2[1]) + ((sum2_t)(pix1[5] - pix2[5]) << BITS_PER_SUM);
289 a2 = (pix1[2] - pix2[2]) + ((sum2_t)(pix1[6] - pix2[6]) << BITS_PER_SUM);
290 a3 = (pix1[3] - pix2[3]) + ((sum2_t)(pix1[7] - pix2[7]) << BITS_PER_SUM);
291 HADAMARD4( tmp[i][0], tmp[i][1], tmp[i][2], tmp[i][3], a0,a1,a2,a3 );
293 for( int i = 0; i < 4; i++ )
295 HADAMARD4( a0, a1, a2, a3, tmp[0][i], tmp[1][i], tmp[2][i], tmp[3][i] );
296 sum += abs2(a0) + abs2(a1) + abs2(a2) + abs2(a3);
298 return (((sum_t)sum) + (sum>>BITS_PER_SUM)) >> 1;
301 #define PIXEL_SATD_C( w, h, sub )\
302 static int x264_pixel_satd_##w##x##h( pixel *pix1, intptr_t i_pix1, pixel *pix2, intptr_t i_pix2 )\
304 int sum = sub( pix1, i_pix1, pix2, i_pix2 )\
305 + sub( pix1+4*i_pix1, i_pix1, pix2+4*i_pix2, i_pix2 );\
307 sum+= sub( pix1+8, i_pix1, pix2+8, i_pix2 )\
308 + sub( pix1+8+4*i_pix1, i_pix1, pix2+8+4*i_pix2, i_pix2 );\
310 sum+= sub( pix1+8*i_pix1, i_pix1, pix2+8*i_pix2, i_pix2 )\
311 + sub( pix1+12*i_pix1, i_pix1, pix2+12*i_pix2, i_pix2 );\
312 if( w==16 && h==16 )\
313 sum+= sub( pix1+8+8*i_pix1, i_pix1, pix2+8+8*i_pix2, i_pix2 )\
314 + sub( pix1+8+12*i_pix1, i_pix1, pix2+8+12*i_pix2, i_pix2 );\
317 PIXEL_SATD_C( 16, 16, x264_pixel_satd_8x4 )
318 PIXEL_SATD_C( 16, 8, x264_pixel_satd_8x4 )
319 PIXEL_SATD_C( 8, 16, x264_pixel_satd_8x4 )
320 PIXEL_SATD_C( 8, 8, x264_pixel_satd_8x4 )
321 PIXEL_SATD_C( 4, 16, x264_pixel_satd_4x4 )
322 PIXEL_SATD_C( 4, 8, x264_pixel_satd_4x4 )
324 static NOINLINE int sa8d_8x8( pixel *pix1, intptr_t i_pix1, pixel *pix2, intptr_t i_pix2 )
327 sum2_t a0, a1, a2, a3, a4, a5, a6, a7, b0, b1, b2, b3;
329 for( int i = 0; i < 8; i++, pix1 += i_pix1, pix2 += i_pix2 )
331 a0 = pix1[0] - pix2[0];
332 a1 = pix1[1] - pix2[1];
333 b0 = (a0+a1) + ((a0-a1)<<BITS_PER_SUM);
334 a2 = pix1[2] - pix2[2];
335 a3 = pix1[3] - pix2[3];
336 b1 = (a2+a3) + ((a2-a3)<<BITS_PER_SUM);
337 a4 = pix1[4] - pix2[4];
338 a5 = pix1[5] - pix2[5];
339 b2 = (a4+a5) + ((a4-a5)<<BITS_PER_SUM);
340 a6 = pix1[6] - pix2[6];
341 a7 = pix1[7] - pix2[7];
342 b3 = (a6+a7) + ((a6-a7)<<BITS_PER_SUM);
343 HADAMARD4( tmp[i][0], tmp[i][1], tmp[i][2], tmp[i][3], b0,b1,b2,b3 );
345 for( int i = 0; i < 4; i++ )
347 HADAMARD4( a0, a1, a2, a3, tmp[0][i], tmp[1][i], tmp[2][i], tmp[3][i] );
348 HADAMARD4( a4, a5, a6, a7, tmp[4][i], tmp[5][i], tmp[6][i], tmp[7][i] );
349 b0 = abs2(a0+a4) + abs2(a0-a4);
350 b0 += abs2(a1+a5) + abs2(a1-a5);
351 b0 += abs2(a2+a6) + abs2(a2-a6);
352 b0 += abs2(a3+a7) + abs2(a3-a7);
353 sum += (sum_t)b0 + (b0>>BITS_PER_SUM);
358 static int x264_pixel_sa8d_8x8( pixel *pix1, intptr_t i_pix1, pixel *pix2, intptr_t i_pix2 )
360 int sum = sa8d_8x8( pix1, i_pix1, pix2, i_pix2 );
364 static int x264_pixel_sa8d_16x16( pixel *pix1, intptr_t i_pix1, pixel *pix2, intptr_t i_pix2 )
366 int sum = sa8d_8x8( pix1, i_pix1, pix2, i_pix2 )
367 + sa8d_8x8( pix1+8, i_pix1, pix2+8, i_pix2 )
368 + sa8d_8x8( pix1+8*i_pix1, i_pix1, pix2+8*i_pix2, i_pix2 )
369 + sa8d_8x8( pix1+8+8*i_pix1, i_pix1, pix2+8+8*i_pix2, i_pix2 );
373 static NOINLINE uint64_t pixel_hadamard_ac( pixel *pix, intptr_t stride )
376 sum2_t a0, a1, a2, a3, dc;
377 sum2_t sum4 = 0, sum8 = 0;
378 for( int i = 0; i < 8; i++, pix+=stride )
380 sum2_t *t = tmp + (i&3) + (i&4)*4;
381 a0 = (pix[0]+pix[1]) + ((sum2_t)(pix[0]-pix[1])<<BITS_PER_SUM);
382 a1 = (pix[2]+pix[3]) + ((sum2_t)(pix[2]-pix[3])<<BITS_PER_SUM);
385 a2 = (pix[4]+pix[5]) + ((sum2_t)(pix[4]-pix[5])<<BITS_PER_SUM);
386 a3 = (pix[6]+pix[7]) + ((sum2_t)(pix[6]-pix[7])<<BITS_PER_SUM);
390 for( int i = 0; i < 8; i++ )
392 HADAMARD4( a0, a1, a2, a3, tmp[i*4+0], tmp[i*4+1], tmp[i*4+2], tmp[i*4+3] );
397 sum4 += abs2(a0) + abs2(a1) + abs2(a2) + abs2(a3);
399 for( int i = 0; i < 8; i++ )
401 HADAMARD4( a0,a1,a2,a3, tmp[i], tmp[8+i], tmp[16+i], tmp[24+i] );
402 sum8 += abs2(a0) + abs2(a1) + abs2(a2) + abs2(a3);
404 dc = (sum_t)(tmp[0] + tmp[8] + tmp[16] + tmp[24]);
405 sum4 = (sum_t)sum4 + (sum4>>BITS_PER_SUM) - dc;
406 sum8 = (sum_t)sum8 + (sum8>>BITS_PER_SUM) - dc;
407 return ((uint64_t)sum8<<32) + sum4;
410 #define HADAMARD_AC(w,h) \
411 static uint64_t x264_pixel_hadamard_ac_##w##x##h( pixel *pix, intptr_t stride )\
413 uint64_t sum = pixel_hadamard_ac( pix, stride );\
415 sum += pixel_hadamard_ac( pix+8, stride );\
417 sum += pixel_hadamard_ac( pix+8*stride, stride );\
418 if( w==16 && h==16 )\
419 sum += pixel_hadamard_ac( pix+8*stride+8, stride );\
420 return ((sum>>34)<<32) + ((uint32_t)sum>>1);\
422 HADAMARD_AC( 16, 16 )
428 /****************************************************************************
430 ****************************************************************************/
431 #define SAD_X( size ) \
432 static void x264_pixel_sad_x3_##size( pixel *fenc, pixel *pix0, pixel *pix1, pixel *pix2,\
433 intptr_t i_stride, int scores[3] )\
435 scores[0] = x264_pixel_sad_##size( fenc, FENC_STRIDE, pix0, i_stride );\
436 scores[1] = x264_pixel_sad_##size( fenc, FENC_STRIDE, pix1, i_stride );\
437 scores[2] = x264_pixel_sad_##size( fenc, FENC_STRIDE, pix2, i_stride );\
439 static void x264_pixel_sad_x4_##size( pixel *fenc, pixel *pix0, pixel *pix1,pixel *pix2, pixel *pix3,\
440 intptr_t i_stride, int scores[4] )\
442 scores[0] = x264_pixel_sad_##size( fenc, FENC_STRIDE, pix0, i_stride );\
443 scores[1] = x264_pixel_sad_##size( fenc, FENC_STRIDE, pix1, i_stride );\
444 scores[2] = x264_pixel_sad_##size( fenc, FENC_STRIDE, pix2, i_stride );\
445 scores[3] = x264_pixel_sad_##size( fenc, FENC_STRIDE, pix3, i_stride );\
463 #endif // !HIGH_BIT_DEPTH
465 /****************************************************************************
467 * no faster than single satd, but needed for satd to be a drop-in replacement for sad
468 ****************************************************************************/
470 #define SATD_X( size, cpu ) \
471 static void x264_pixel_satd_x3_##size##cpu( pixel *fenc, pixel *pix0, pixel *pix1, pixel *pix2,\
472 intptr_t i_stride, int scores[3] )\
474 scores[0] = x264_pixel_satd_##size##cpu( fenc, FENC_STRIDE, pix0, i_stride );\
475 scores[1] = x264_pixel_satd_##size##cpu( fenc, FENC_STRIDE, pix1, i_stride );\
476 scores[2] = x264_pixel_satd_##size##cpu( fenc, FENC_STRIDE, pix2, i_stride );\
478 static void x264_pixel_satd_x4_##size##cpu( pixel *fenc, pixel *pix0, pixel *pix1, pixel *pix2, pixel *pix3,\
479 intptr_t i_stride, int scores[4] )\
481 scores[0] = x264_pixel_satd_##size##cpu( fenc, FENC_STRIDE, pix0, i_stride );\
482 scores[1] = x264_pixel_satd_##size##cpu( fenc, FENC_STRIDE, pix1, i_stride );\
483 scores[2] = x264_pixel_satd_##size##cpu( fenc, FENC_STRIDE, pix2, i_stride );\
484 scores[3] = x264_pixel_satd_##size##cpu( fenc, FENC_STRIDE, pix3, i_stride );\
486 #define SATD_X_DECL6( cpu )\
487 SATD_X( 16x16, cpu )\
493 #define SATD_X_DECL7( cpu )\
499 SATD_X_DECL7( _mmx2 )
501 SATD_X_DECL6( _sse2 )
502 SATD_X_DECL7( _ssse3 )
503 SATD_X_DECL6( _ssse3_atom )
504 SATD_X_DECL7( _sse4 )
507 #endif // !HIGH_BIT_DEPTH
512 SATD_X_DECL7( _neon )
514 #endif // !HIGH_BIT_DEPTH
516 #define INTRA_MBCMP_8x8( mbcmp, cpu, cpu2 )\
517 void x264_intra_##mbcmp##_x3_8x8##cpu( pixel *fenc, pixel edge[36], int res[3] )\
519 ALIGNED_ARRAY_16( pixel, pix, [8*FDEC_STRIDE] );\
520 x264_predict_8x8_v##cpu2( pix, edge );\
521 res[0] = x264_pixel_##mbcmp##_8x8##cpu( pix, FDEC_STRIDE, fenc, FENC_STRIDE );\
522 x264_predict_8x8_h##cpu2( pix, edge );\
523 res[1] = x264_pixel_##mbcmp##_8x8##cpu( pix, FDEC_STRIDE, fenc, FENC_STRIDE );\
524 x264_predict_8x8_dc##cpu2( pix, edge );\
525 res[2] = x264_pixel_##mbcmp##_8x8##cpu( pix, FDEC_STRIDE, fenc, FENC_STRIDE );\
528 INTRA_MBCMP_8x8( sad,, _c )
529 INTRA_MBCMP_8x8(sa8d,, _c )
530 #if HIGH_BIT_DEPTH && HAVE_MMX
531 #define x264_predict_8x8_v_sse2 x264_predict_8x8_v_sse
532 INTRA_MBCMP_8x8( sad, _mmx2, _c )
533 INTRA_MBCMP_8x8(sa8d, _sse2, _sse2 )
536 #define INTRA_MBCMP( mbcmp, size, pred1, pred2, pred3, chroma, cpu, cpu2 )\
537 void x264_intra_##mbcmp##_x3_##size##chroma##cpu( pixel *fenc, pixel *fdec, int res[3] )\
539 x264_predict_##size##chroma##_##pred1##cpu2( fdec );\
540 res[0] = x264_pixel_##mbcmp##_##size##cpu( fdec, FDEC_STRIDE, fenc, FENC_STRIDE );\
541 x264_predict_##size##chroma##_##pred2##cpu2( fdec );\
542 res[1] = x264_pixel_##mbcmp##_##size##cpu( fdec, FDEC_STRIDE, fenc, FENC_STRIDE );\
543 x264_predict_##size##chroma##_##pred3##cpu2( fdec );\
544 res[2] = x264_pixel_##mbcmp##_##size##cpu( fdec, FDEC_STRIDE, fenc, FENC_STRIDE );\
547 INTRA_MBCMP( sad, 4x4, v, h, dc, ,, _c )
548 INTRA_MBCMP(satd, 4x4, v, h, dc, ,, _c )
549 INTRA_MBCMP( sad, 8x8, dc, h, v, c,, _c )
550 INTRA_MBCMP(satd, 8x8, dc, h, v, c,, _c )
551 INTRA_MBCMP( sad, 8x16, dc, h, v, c,, _c )
552 INTRA_MBCMP(satd, 8x16, dc, h, v, c,, _c )
553 INTRA_MBCMP( sad, 16x16, v, h, dc, ,, _c )
554 INTRA_MBCMP(satd, 16x16, v, h, dc, ,, _c )
558 #define x264_predict_8x8c_v_mmx2 x264_predict_8x8c_v_mmx
559 #define x264_predict_8x16c_v_mmx2 x264_predict_8x16c_v_c
560 #define x264_predict_8x8c_v_sse2 x264_predict_8x8c_v_sse
561 #define x264_predict_8x16c_v_sse2 x264_predict_8x16c_v_sse
562 #define x264_predict_16x16_v_sse2 x264_predict_16x16_v_sse
563 INTRA_MBCMP( sad, 4x4, v, h, dc, , _mmx2, _c )
564 INTRA_MBCMP( sad, 8x8, dc, h, v, c, _mmx2, _mmx2 )
565 INTRA_MBCMP( sad, 8x16, dc, h, v, c, _mmx2, _mmx2 )
566 INTRA_MBCMP(satd, 8x16, dc, h, v, c, _mmx2, _mmx2 )
567 INTRA_MBCMP( sad, 16x16, v, h, dc, , _mmx2, _mmx2 )
568 INTRA_MBCMP( sad, 8x8, dc, h, v, c, _sse2, _sse2 )
569 INTRA_MBCMP( sad, 8x16, dc, h, v, c, _sse2, _sse2 )
570 INTRA_MBCMP(satd, 8x16, dc, h, v, c, _sse2, _sse2 )
571 INTRA_MBCMP( sad, 16x16, v, h, dc, , _sse2, _sse2 )
572 INTRA_MBCMP( sad, 8x8, dc, h, v, c, _ssse3, _sse2 )
573 INTRA_MBCMP( sad, 8x16, dc, h, v, c, _ssse3, _sse2 )
574 INTRA_MBCMP(satd, 8x16, dc, h, v, c, _ssse3, _sse2 )
575 INTRA_MBCMP( sad, 16x16, v, h, dc, , _ssse3, _sse2 )
576 INTRA_MBCMP(satd, 8x16, dc, h, v, c, _sse4, _sse2 )
577 INTRA_MBCMP(satd, 8x16, dc, h, v, c, _avx, _sse2 )
579 #define x264_predict_8x16c_v_mmx2 x264_predict_8x16c_v_mmx
580 INTRA_MBCMP( sad, 8x16, dc, h, v, c, _mmx2, _mmx2 )
581 INTRA_MBCMP(satd, 8x16, dc, h, v, c, _mmx2, _mmx2 )
582 INTRA_MBCMP( sad, 8x16, dc, h, v, c, _sse2, _mmx2 )
583 INTRA_MBCMP(satd, 8x16, dc, h, v, c, _sse2, _mmx2 )
584 INTRA_MBCMP(satd, 8x16, dc, h, v, c, _ssse3, _mmx2 )
585 INTRA_MBCMP(satd, 8x16, dc, h, v, c, _sse4, _mmx2 )
586 INTRA_MBCMP(satd, 8x16, dc, h, v, c, _avx, _mmx2 )
587 INTRA_MBCMP(satd, 8x16, dc, h, v, c, _xop, _mmx2 )
591 // No C implementation of intra_satd_x9. See checkasm for its behavior,
592 // or see x264_mb_analyse_intra for the entirely different algorithm we
593 // use when lacking an asm implementation of it.
597 /****************************************************************************
598 * structural similarity metric
599 ****************************************************************************/
600 static void ssim_4x4x2_core( const pixel *pix1, intptr_t stride1,
601 const pixel *pix2, intptr_t stride2,
604 for( int z = 0; z < 2; z++ )
606 uint32_t s1 = 0, s2 = 0, ss = 0, s12 = 0;
607 for( int y = 0; y < 4; y++ )
608 for( int x = 0; x < 4; x++ )
610 int a = pix1[x+y*stride1];
611 int b = pix2[x+y*stride2];
627 static float ssim_end1( int s1, int s2, int ss, int s12 )
629 /* Maximum value for 10-bit is: ss*64 = (2^10-1)^2*16*4*64 = 4286582784, which will overflow in some cases.
630 * s1*s1, s2*s2, and s1*s2 also obtain this value for edge cases: ((2^10-1)*16*4)^2 = 4286582784.
631 * Maximum value for 9-bit is: ss*64 = (2^9-1)^2*16*4*64 = 1069551616, which will not overflow. */
634 static const float ssim_c1 = .01*.01*PIXEL_MAX*PIXEL_MAX*64;
635 static const float ssim_c2 = .03*.03*PIXEL_MAX*PIXEL_MAX*64*63;
638 static const int ssim_c1 = (int)(.01*.01*PIXEL_MAX*PIXEL_MAX*64 + .5);
639 static const int ssim_c2 = (int)(.03*.03*PIXEL_MAX*PIXEL_MAX*64*63 + .5);
645 type vars = fss*64 - fs1*fs1 - fs2*fs2;
646 type covar = fs12*64 - fs1*fs2;
647 return (float)(2*fs1*fs2 + ssim_c1) * (float)(2*covar + ssim_c2)
648 / ((float)(fs1*fs1 + fs2*fs2 + ssim_c1) * (float)(vars + ssim_c2));
652 static float ssim_end4( int sum0[5][4], int sum1[5][4], int width )
655 for( int i = 0; i < width; i++ )
656 ssim += ssim_end1( sum0[i][0] + sum0[i+1][0] + sum1[i][0] + sum1[i+1][0],
657 sum0[i][1] + sum0[i+1][1] + sum1[i][1] + sum1[i+1][1],
658 sum0[i][2] + sum0[i+1][2] + sum1[i][2] + sum1[i+1][2],
659 sum0[i][3] + sum0[i+1][3] + sum1[i][3] + sum1[i+1][3] );
663 float x264_pixel_ssim_wxh( x264_pixel_function_t *pf,
664 pixel *pix1, intptr_t stride1,
665 pixel *pix2, intptr_t stride2,
666 int width, int height, void *buf, int *cnt )
670 int (*sum0)[4] = buf;
671 int (*sum1)[4] = sum0 + (width >> 2) + 3;
674 for( int y = 1; y < height; y++ )
678 XCHG( void*, sum0, sum1 );
679 for( int x = 0; x < width; x+=2 )
680 pf->ssim_4x4x2_core( &pix1[4*(x+z*stride1)], stride1, &pix2[4*(x+z*stride2)], stride2, &sum0[x] );
682 for( int x = 0; x < width-1; x += 4 )
683 ssim += pf->ssim_end4( sum0+x, sum1+x, X264_MIN(4,width-x-1) );
685 *cnt = (height-1) * (width-1);
689 static int pixel_vsad( pixel *src, intptr_t stride, int height )
692 for( int i = 1; i < height; i++, src += stride )
693 for( int j = 0; j < 16; j++ )
694 score += abs(src[j] - src[j+stride]);
698 int x264_field_vsad( x264_t *h, int mb_x, int mb_y )
700 int score_field, score_frame;
701 int stride = h->fenc->i_stride[0];
702 int mb_stride = h->mb.i_mb_stride;
703 pixel *fenc = h->fenc->plane[0] + 16 * (mb_x + mb_y * stride);
704 int mb_xy = mb_x + mb_y*mb_stride;
706 /* We don't want to analyze pixels outside the frame, as it gives inaccurate results. */
707 int mbpair_height = X264_MIN( h->param.i_height - mb_y * 16, 32 );
708 score_frame = h->pixf.vsad( fenc, stride, mbpair_height );
709 score_field = h->pixf.vsad( fenc, stride*2, mbpair_height >> 1 );
710 score_field += h->pixf.vsad( fenc+stride, stride*2, mbpair_height >> 1 );
713 score_field += 512 - h->mb.field[mb_xy -1]*1024;
715 score_field += 512 - h->mb.field[mb_xy-mb_stride]*1024;
717 return (score_field < score_frame);
720 static int pixel_asd8( pixel *pix1, intptr_t stride1, pixel *pix2, intptr_t stride2, int height )
723 for( int y = 0; y < height; y++, pix1 += stride1, pix2 += stride2 )
724 for( int x = 0; x < 8; x++ )
725 sum += pix1[x] - pix2[x];
729 /****************************************************************************
730 * successive elimination
731 ****************************************************************************/
732 static int x264_pixel_ads4( int enc_dc[4], uint16_t *sums, int delta,
733 uint16_t *cost_mvx, int16_t *mvs, int width, int thresh )
736 for( int i = 0; i < width; i++, sums++ )
738 int ads = abs( enc_dc[0] - sums[0] )
739 + abs( enc_dc[1] - sums[8] )
740 + abs( enc_dc[2] - sums[delta] )
741 + abs( enc_dc[3] - sums[delta+8] )
749 static int x264_pixel_ads2( int enc_dc[2], uint16_t *sums, int delta,
750 uint16_t *cost_mvx, int16_t *mvs, int width, int thresh )
753 for( int i = 0; i < width; i++, sums++ )
755 int ads = abs( enc_dc[0] - sums[0] )
756 + abs( enc_dc[1] - sums[delta] )
764 static int x264_pixel_ads1( int enc_dc[1], uint16_t *sums, int delta,
765 uint16_t *cost_mvx, int16_t *mvs, int width, int thresh )
768 for( int i = 0; i<width; i++, sums++ )
770 int ads = abs( enc_dc[0] - sums[0] )
779 /****************************************************************************
781 ****************************************************************************/
782 void x264_pixel_init( int cpu, x264_pixel_function_t *pixf )
784 memset( pixf, 0, sizeof(*pixf) );
786 #define INIT2_NAME( name1, name2, cpu ) \
787 pixf->name1[PIXEL_16x16] = x264_pixel_##name2##_16x16##cpu;\
788 pixf->name1[PIXEL_16x8] = x264_pixel_##name2##_16x8##cpu;
789 #define INIT4_NAME( name1, name2, cpu ) \
790 INIT2_NAME( name1, name2, cpu ) \
791 pixf->name1[PIXEL_8x16] = x264_pixel_##name2##_8x16##cpu;\
792 pixf->name1[PIXEL_8x8] = x264_pixel_##name2##_8x8##cpu;
793 #define INIT5_NAME( name1, name2, cpu ) \
794 INIT4_NAME( name1, name2, cpu ) \
795 pixf->name1[PIXEL_8x4] = x264_pixel_##name2##_8x4##cpu;
796 #define INIT6_NAME( name1, name2, cpu ) \
797 INIT5_NAME( name1, name2, cpu ) \
798 pixf->name1[PIXEL_4x8] = x264_pixel_##name2##_4x8##cpu;
799 #define INIT7_NAME( name1, name2, cpu ) \
800 INIT6_NAME( name1, name2, cpu ) \
801 pixf->name1[PIXEL_4x4] = x264_pixel_##name2##_4x4##cpu;
802 #define INIT8_NAME( name1, name2, cpu ) \
803 INIT7_NAME( name1, name2, cpu ) \
804 pixf->name1[PIXEL_4x16] = x264_pixel_##name2##_4x16##cpu;
805 #define INIT2( name, cpu ) INIT2_NAME( name, name, cpu )
806 #define INIT4( name, cpu ) INIT4_NAME( name, name, cpu )
807 #define INIT5( name, cpu ) INIT5_NAME( name, name, cpu )
808 #define INIT6( name, cpu ) INIT6_NAME( name, name, cpu )
809 #define INIT7( name, cpu ) INIT7_NAME( name, name, cpu )
810 #define INIT8( name, cpu ) INIT8_NAME( name, name, cpu )
812 #define INIT_ADS( cpu ) \
813 pixf->ads[PIXEL_16x16] = x264_pixel_ads4##cpu;\
814 pixf->ads[PIXEL_16x8] = x264_pixel_ads2##cpu;\
815 pixf->ads[PIXEL_8x8] = x264_pixel_ads1##cpu;
818 INIT8_NAME( sad_aligned, sad, );
825 INIT4( hadamard_ac, );
828 pixf->sa8d[PIXEL_16x16] = x264_pixel_sa8d_16x16;
829 pixf->sa8d[PIXEL_8x8] = x264_pixel_sa8d_8x8;
830 pixf->var[PIXEL_16x16] = x264_pixel_var_16x16;
831 pixf->var[PIXEL_8x16] = x264_pixel_var_8x16;
832 pixf->var[PIXEL_8x8] = x264_pixel_var_8x8;
833 pixf->var2[PIXEL_8x16] = x264_pixel_var2_8x16;
834 pixf->var2[PIXEL_8x8] = x264_pixel_var2_8x8;
836 pixf->ssd_nv12_core = pixel_ssd_nv12_core;
837 pixf->ssim_4x4x2_core = ssim_4x4x2_core;
838 pixf->ssim_end4 = ssim_end4;
839 pixf->vsad = pixel_vsad;
840 pixf->asd8 = pixel_asd8;
842 pixf->intra_sad_x3_4x4 = x264_intra_sad_x3_4x4;
843 pixf->intra_satd_x3_4x4 = x264_intra_satd_x3_4x4;
844 pixf->intra_sad_x3_8x8 = x264_intra_sad_x3_8x8;
845 pixf->intra_sa8d_x3_8x8 = x264_intra_sa8d_x3_8x8;
846 pixf->intra_sad_x3_8x8c = x264_intra_sad_x3_8x8c;
847 pixf->intra_satd_x3_8x8c = x264_intra_satd_x3_8x8c;
848 pixf->intra_sad_x3_8x16c = x264_intra_sad_x3_8x16c;
849 pixf->intra_satd_x3_8x16c = x264_intra_satd_x3_8x16c;
850 pixf->intra_sad_x3_16x16 = x264_intra_sad_x3_16x16;
851 pixf->intra_satd_x3_16x16 = x264_intra_satd_x3_16x16;
855 if( cpu&X264_CPU_MMX2 )
858 INIT7_NAME( sad_aligned, sad, _mmx2 );
859 INIT7( sad_x3, _mmx2 );
860 INIT7( sad_x4, _mmx2 );
861 INIT8( satd, _mmx2 );
862 INIT7( satd_x3, _mmx2 );
863 INIT7( satd_x4, _mmx2 );
864 INIT4( hadamard_ac, _mmx2 );
868 pixf->ssd_nv12_core = x264_pixel_ssd_nv12_core_mmx2;
869 pixf->var[PIXEL_16x16] = x264_pixel_var_16x16_mmx2;
870 pixf->var[PIXEL_8x8] = x264_pixel_var_8x8_mmx2;
872 pixf->var2[PIXEL_8x8] = x264_pixel_var2_8x8_mmx2;
873 pixf->var2[PIXEL_8x16] = x264_pixel_var2_8x16_mmx2;
876 pixf->intra_sad_x3_4x4 = x264_intra_sad_x3_4x4_mmx2;
877 pixf->intra_satd_x3_4x4 = x264_intra_satd_x3_4x4_mmx2;
878 pixf->intra_sad_x3_8x8 = x264_intra_sad_x3_8x8_mmx2;
879 pixf->intra_sad_x3_8x8c = x264_intra_sad_x3_8x8c_mmx2;
880 pixf->intra_satd_x3_8x8c = x264_intra_satd_x3_8x8c_mmx2;
881 pixf->intra_sad_x3_8x16c = x264_intra_sad_x3_8x16c_mmx2;
882 pixf->intra_satd_x3_8x16c = x264_intra_satd_x3_8x16c_mmx2;
883 pixf->intra_sad_x3_16x16 = x264_intra_sad_x3_16x16_mmx2;
884 pixf->intra_satd_x3_16x16 = x264_intra_satd_x3_16x16_mmx2;
886 if( cpu&X264_CPU_SSE2 )
888 INIT4_NAME( sad_aligned, sad, _sse2_aligned );
890 INIT6( satd, _sse2 );
891 pixf->satd[PIXEL_4x16] = x264_pixel_satd_4x16_sse2;
893 pixf->sa8d[PIXEL_16x16] = x264_pixel_sa8d_16x16_sse2;
894 pixf->sa8d[PIXEL_8x8] = x264_pixel_sa8d_8x8_sse2;
896 pixf->intra_sa8d_x3_8x8 = x264_intra_sa8d_x3_8x8_sse2;
897 pixf->sa8d_satd[PIXEL_16x16] = x264_pixel_sa8d_satd_16x16_sse2;
899 pixf->intra_sad_x3_4x4 = x264_intra_sad_x3_4x4_sse2;
900 pixf->ssd_nv12_core = x264_pixel_ssd_nv12_core_sse2;
901 pixf->ssim_4x4x2_core = x264_pixel_ssim_4x4x2_core_sse2;
902 pixf->ssim_end4 = x264_pixel_ssim_end4_sse2;
903 pixf->var[PIXEL_16x16] = x264_pixel_var_16x16_sse2;
904 pixf->var[PIXEL_8x8] = x264_pixel_var_8x8_sse2;
905 pixf->var2[PIXEL_8x8] = x264_pixel_var2_8x8_sse2;
906 pixf->var2[PIXEL_8x16] = x264_pixel_var2_8x16_sse2;
907 pixf->intra_sad_x3_8x8 = x264_intra_sad_x3_8x8_sse2;
909 if( (cpu&X264_CPU_SSE2) && !(cpu&X264_CPU_SSE2_IS_SLOW) )
912 INIT2( sad_x3, _sse2 );
913 INIT2( sad_x4, _sse2 );
916 if( !(cpu&X264_CPU_STACK_MOD4) )
918 INIT4( hadamard_ac, _sse2 );
920 pixf->vsad = x264_pixel_vsad_sse2;
921 pixf->asd8 = x264_pixel_asd8_sse2;
922 pixf->intra_sad_x3_8x8 = x264_intra_sad_x3_8x8_sse2;
923 pixf->intra_sad_x3_8x8c = x264_intra_sad_x3_8x8c_sse2;
924 pixf->intra_sad_x3_8x16c = x264_intra_sad_x3_8x16c_sse2;
925 pixf->intra_satd_x3_8x16c = x264_intra_satd_x3_8x16c_sse2;
926 pixf->intra_sad_x3_16x16 = x264_intra_sad_x3_16x16_sse2;
928 if( cpu&X264_CPU_SSE2_IS_FAST )
930 pixf->sad[PIXEL_8x16] = x264_pixel_sad_8x16_sse2;
931 pixf->sad_x3[PIXEL_8x16] = x264_pixel_sad_x3_8x16_sse2;
932 pixf->sad_x3[PIXEL_8x8] = x264_pixel_sad_x3_8x8_sse2;
933 pixf->sad_x3[PIXEL_8x4] = x264_pixel_sad_x3_8x4_sse2;
934 pixf->sad_x4[PIXEL_8x16] = x264_pixel_sad_x4_8x16_sse2;
935 pixf->sad_x4[PIXEL_8x8] = x264_pixel_sad_x4_8x8_sse2;
936 pixf->sad_x4[PIXEL_8x4] = x264_pixel_sad_x4_8x4_sse2;
938 if( cpu&X264_CPU_SSSE3 )
940 INIT4_NAME( sad_aligned, sad, _ssse3_aligned );
941 pixf->sad_aligned[PIXEL_4x4] = x264_pixel_sad_4x4_ssse3;
942 pixf->sad_aligned[PIXEL_4x8] = x264_pixel_sad_4x8_ssse3;
943 INIT7( sad, _ssse3 );
944 INIT7( sad_x3, _ssse3 );
945 INIT7( sad_x4, _ssse3 );
947 INIT6( satd, _ssse3 );
948 pixf->satd[PIXEL_4x16] = x264_pixel_satd_4x16_ssse3;
950 if( !(cpu&X264_CPU_STACK_MOD4) )
952 INIT4( hadamard_ac, _ssse3 );
954 pixf->vsad = x264_pixel_vsad_ssse3;
955 pixf->asd8 = x264_pixel_asd8_ssse3;
956 pixf->intra_sad_x3_4x4 = x264_intra_sad_x3_4x4_ssse3;
957 pixf->sa8d[PIXEL_16x16]= x264_pixel_sa8d_16x16_ssse3;
958 pixf->sa8d[PIXEL_8x8] = x264_pixel_sa8d_8x8_ssse3;
960 pixf->sa8d_satd[PIXEL_16x16] = x264_pixel_sa8d_satd_16x16_ssse3;
962 pixf->intra_sad_x3_4x4 = x264_intra_sad_x3_4x4_ssse3;
963 pixf->intra_sad_x3_8x8 = x264_intra_sad_x3_8x8_ssse3;
964 pixf->intra_sad_x3_8x8c = x264_intra_sad_x3_8x8c_ssse3;
965 pixf->intra_sad_x3_8x16c = x264_intra_sad_x3_8x16c_ssse3;
966 pixf->intra_satd_x3_8x16c = x264_intra_satd_x3_8x16c_ssse3;
967 pixf->intra_sad_x3_16x16 = x264_intra_sad_x3_16x16_ssse3;
969 if( cpu&X264_CPU_SSE4 )
971 INIT6( satd, _sse4 );
972 pixf->satd[PIXEL_4x16] = x264_pixel_satd_4x16_sse4;
973 if( !(cpu&X264_CPU_STACK_MOD4) )
975 INIT4( hadamard_ac, _sse4 );
977 pixf->sa8d[PIXEL_16x16]= x264_pixel_sa8d_16x16_sse4;
978 pixf->sa8d[PIXEL_8x8] = x264_pixel_sa8d_8x8_sse4;
980 pixf->sa8d_satd[PIXEL_16x16] = x264_pixel_sa8d_satd_16x16_sse4;
982 pixf->intra_satd_x3_8x16c = x264_intra_satd_x3_8x16c_sse4;
984 if( cpu&X264_CPU_AVX )
986 INIT5_NAME( sad_aligned, sad, _ssse3 ); /* AVX-capable CPUs doesn't benefit from an aligned version */
989 pixf->satd[PIXEL_4x16] = x264_pixel_satd_4x16_avx;
990 if( !(cpu&X264_CPU_STACK_MOD4) )
992 INIT4( hadamard_ac, _avx );
994 pixf->intra_sad_x3_4x4 = x264_intra_sad_x3_4x4_avx;
995 pixf->sa8d[PIXEL_16x16]= x264_pixel_sa8d_16x16_avx;
996 pixf->sa8d[PIXEL_8x8] = x264_pixel_sa8d_8x8_avx;
997 pixf->var[PIXEL_16x16] = x264_pixel_var_16x16_avx;
998 pixf->var[PIXEL_8x8] = x264_pixel_var_8x8_avx;
999 pixf->ssd_nv12_core = x264_pixel_ssd_nv12_core_avx;
1000 pixf->ssim_4x4x2_core = x264_pixel_ssim_4x4x2_core_avx;
1001 pixf->ssim_end4 = x264_pixel_ssim_end4_avx;
1003 pixf->sa8d_satd[PIXEL_16x16] = x264_pixel_sa8d_satd_16x16_avx;
1005 pixf->intra_satd_x3_8x16c = x264_intra_satd_x3_8x16c_avx;
1007 if( cpu&X264_CPU_XOP )
1009 pixf->vsad = x264_pixel_vsad_xop;
1010 pixf->asd8 = x264_pixel_asd8_xop;
1012 if( cpu&X264_CPU_AVX2 )
1014 INIT2( ssd, _avx2 );
1015 INIT2( sad, _avx2 );
1016 INIT2_NAME( sad_aligned, sad, _avx2 );
1017 INIT2( sad_x3, _avx2 );
1018 INIT2( sad_x4, _avx2 );
1019 pixf->vsad = x264_pixel_vsad_avx2;
1020 pixf->ssd_nv12_core = x264_pixel_ssd_nv12_core_avx2;
1021 pixf->intra_sad_x3_8x8 = x264_intra_sad_x3_8x8_avx2;
1024 #else // !HIGH_BIT_DEPTH
1026 if( cpu&X264_CPU_MMX )
1031 if( cpu&X264_CPU_MMX2 )
1033 INIT8( sad, _mmx2 );
1034 INIT8_NAME( sad_aligned, sad, _mmx2 );
1035 INIT7( sad_x3, _mmx2 );
1036 INIT7( sad_x4, _mmx2 );
1037 INIT8( satd, _mmx2 );
1038 INIT7( satd_x3, _mmx2 );
1039 INIT7( satd_x4, _mmx2 );
1040 INIT4( hadamard_ac, _mmx2 );
1042 pixf->var[PIXEL_16x16] = x264_pixel_var_16x16_mmx2;
1043 pixf->var[PIXEL_8x16] = x264_pixel_var_8x16_mmx2;
1044 pixf->var[PIXEL_8x8] = x264_pixel_var_8x8_mmx2;
1045 pixf->ssd_nv12_core = x264_pixel_ssd_nv12_core_mmx2;
1047 pixf->sa8d[PIXEL_16x16] = x264_pixel_sa8d_16x16_mmx2;
1048 pixf->sa8d[PIXEL_8x8] = x264_pixel_sa8d_8x8_mmx2;
1049 pixf->intra_sa8d_x3_8x8 = x264_intra_sa8d_x3_8x8_mmx2;
1050 pixf->ssim_4x4x2_core = x264_pixel_ssim_4x4x2_core_mmx2;
1051 pixf->var2[PIXEL_8x8] = x264_pixel_var2_8x8_mmx2;
1052 pixf->var2[PIXEL_8x16] = x264_pixel_var2_8x16_mmx2;
1053 pixf->vsad = x264_pixel_vsad_mmx2;
1055 if( cpu&X264_CPU_CACHELINE_32 )
1057 INIT5( sad, _cache32_mmx2 );
1058 INIT4( sad_x3, _cache32_mmx2 );
1059 INIT4( sad_x4, _cache32_mmx2 );
1061 else if( cpu&X264_CPU_CACHELINE_64 && !(cpu&X264_CPU_SLOW_ATOM) )
1063 INIT5( sad, _cache64_mmx2 );
1064 INIT4( sad_x3, _cache64_mmx2 );
1065 INIT4( sad_x4, _cache64_mmx2 );
1068 if( cpu&X264_CPU_CACHELINE_64 && !(cpu&X264_CPU_SLOW_ATOM) )
1070 pixf->sad[PIXEL_8x16] = x264_pixel_sad_8x16_cache64_mmx2;
1071 pixf->sad[PIXEL_8x8] = x264_pixel_sad_8x8_cache64_mmx2;
1072 pixf->sad[PIXEL_8x4] = x264_pixel_sad_8x4_cache64_mmx2;
1073 pixf->sad_x3[PIXEL_8x16] = x264_pixel_sad_x3_8x16_cache64_mmx2;
1074 pixf->sad_x3[PIXEL_8x8] = x264_pixel_sad_x3_8x8_cache64_mmx2;
1075 pixf->sad_x4[PIXEL_8x16] = x264_pixel_sad_x4_8x16_cache64_mmx2;
1076 pixf->sad_x4[PIXEL_8x8] = x264_pixel_sad_x4_8x8_cache64_mmx2;
1079 pixf->intra_satd_x3_16x16 = x264_intra_satd_x3_16x16_mmx2;
1080 pixf->intra_sad_x3_16x16 = x264_intra_sad_x3_16x16_mmx2;
1081 pixf->intra_satd_x3_8x16c = x264_intra_satd_x3_8x16c_mmx2;
1082 pixf->intra_sad_x3_8x16c = x264_intra_sad_x3_8x16c_mmx2;
1083 pixf->intra_satd_x3_8x8c = x264_intra_satd_x3_8x8c_mmx2;
1084 pixf->intra_sad_x3_8x8c = x264_intra_sad_x3_8x8c_mmx2;
1085 pixf->intra_sad_x3_8x8 = x264_intra_sad_x3_8x8_mmx2;
1086 pixf->intra_satd_x3_4x4 = x264_intra_satd_x3_4x4_mmx2;
1087 pixf->intra_sad_x3_4x4 = x264_intra_sad_x3_4x4_mmx2;
1090 if( cpu&X264_CPU_SSE2 )
1092 INIT5( ssd, _sse2slow );
1093 INIT2_NAME( sad_aligned, sad, _sse2_aligned );
1094 pixf->var[PIXEL_16x16] = x264_pixel_var_16x16_sse2;
1095 pixf->ssd_nv12_core = x264_pixel_ssd_nv12_core_sse2;
1096 pixf->ssim_4x4x2_core = x264_pixel_ssim_4x4x2_core_sse2;
1097 pixf->ssim_end4 = x264_pixel_ssim_end4_sse2;
1098 pixf->sa8d[PIXEL_16x16] = x264_pixel_sa8d_16x16_sse2;
1099 pixf->sa8d[PIXEL_8x8] = x264_pixel_sa8d_8x8_sse2;
1101 pixf->intra_sa8d_x3_8x8 = x264_intra_sa8d_x3_8x8_sse2;
1102 pixf->sa8d_satd[PIXEL_16x16] = x264_pixel_sa8d_satd_16x16_sse2;
1104 pixf->var2[PIXEL_8x8] = x264_pixel_var2_8x8_sse2;
1105 pixf->var2[PIXEL_8x16] = x264_pixel_var2_8x16_sse2;
1106 pixf->vsad = x264_pixel_vsad_sse2;
1107 pixf->asd8 = x264_pixel_asd8_sse2;
1110 if( (cpu&X264_CPU_SSE2) && !(cpu&X264_CPU_SSE2_IS_SLOW) )
1112 INIT2( sad, _sse2 );
1113 INIT2( sad_x3, _sse2 );
1114 INIT2( sad_x4, _sse2 );
1115 INIT6( satd, _sse2 );
1116 pixf->satd[PIXEL_4x16] = x264_pixel_satd_4x16_sse2;
1117 INIT6( satd_x3, _sse2 );
1118 INIT6( satd_x4, _sse2 );
1119 INIT4( hadamard_ac, _sse2 );
1121 pixf->var[PIXEL_8x8] = x264_pixel_var_8x8_sse2;
1122 pixf->var[PIXEL_8x16] = x264_pixel_var_8x16_sse2;
1123 pixf->intra_sad_x3_16x16 = x264_intra_sad_x3_16x16_sse2;
1124 pixf->intra_satd_x3_8x16c = x264_intra_satd_x3_8x16c_sse2;
1125 pixf->intra_sad_x3_8x16c = x264_intra_sad_x3_8x16c_sse2;
1126 if( cpu&X264_CPU_CACHELINE_64 )
1128 INIT2( ssd, _sse2); /* faster for width 16 on p4 */
1130 INIT2( sad, _cache64_sse2 );
1131 INIT2( sad_x3, _cache64_sse2 );
1132 INIT2( sad_x4, _cache64_sse2 );
1134 if( cpu&X264_CPU_SSE2_IS_FAST )
1136 pixf->sad_x3[PIXEL_8x16] = x264_pixel_sad_x3_8x16_cache64_sse2;
1137 pixf->sad_x4[PIXEL_8x16] = x264_pixel_sad_x4_8x16_cache64_sse2;
1142 if( cpu&X264_CPU_SSE2_IS_FAST && !(cpu&X264_CPU_CACHELINE_64) )
1144 pixf->sad_aligned[PIXEL_8x16] = x264_pixel_sad_8x16_sse2;
1145 pixf->sad[PIXEL_8x16] = x264_pixel_sad_8x16_sse2;
1146 pixf->sad_x3[PIXEL_8x16] = x264_pixel_sad_x3_8x16_sse2;
1147 pixf->sad_x3[PIXEL_8x8] = x264_pixel_sad_x3_8x8_sse2;
1148 pixf->sad_x3[PIXEL_8x4] = x264_pixel_sad_x3_8x4_sse2;
1149 pixf->sad_x4[PIXEL_8x16] = x264_pixel_sad_x4_8x16_sse2;
1150 pixf->sad_x4[PIXEL_8x8] = x264_pixel_sad_x4_8x8_sse2;
1151 pixf->sad_x4[PIXEL_8x4] = x264_pixel_sad_x4_8x4_sse2;
1154 if( (cpu&X264_CPU_SSE3) && (cpu&X264_CPU_CACHELINE_64) )
1156 INIT2( sad, _sse3 );
1157 INIT2( sad_x3, _sse3 );
1158 INIT2( sad_x4, _sse3 );
1161 if( cpu&X264_CPU_SSSE3 )
1163 INIT4( hadamard_ac, _ssse3 );
1164 if( !(cpu&X264_CPU_STACK_MOD4) )
1166 pixf->intra_sad_x9_4x4 = x264_intra_sad_x9_4x4_ssse3;
1167 pixf->intra_satd_x9_4x4 = x264_intra_satd_x9_4x4_ssse3;
1168 pixf->intra_sad_x9_8x8 = x264_intra_sad_x9_8x8_ssse3;
1170 pixf->intra_sa8d_x9_8x8 = x264_intra_sa8d_x9_8x8_ssse3;
1174 if( cpu&X264_CPU_SLOW_ATOM )
1176 pixf->sa8d[PIXEL_16x16]= x264_pixel_sa8d_16x16_ssse3_atom;
1177 pixf->sa8d[PIXEL_8x8] = x264_pixel_sa8d_8x8_ssse3_atom;
1178 INIT6( satd, _ssse3_atom );
1179 pixf->satd[PIXEL_4x16] = x264_pixel_satd_4x16_ssse3_atom;
1180 INIT6( satd_x3, _ssse3_atom );
1181 INIT6( satd_x4, _ssse3_atom );
1182 INIT4( hadamard_ac, _ssse3_atom );
1184 pixf->sa8d_satd[PIXEL_16x16] = x264_pixel_sa8d_satd_16x16_ssse3_atom;
1189 INIT8( ssd, _ssse3 );
1190 pixf->sa8d[PIXEL_16x16]= x264_pixel_sa8d_16x16_ssse3;
1191 pixf->sa8d[PIXEL_8x8] = x264_pixel_sa8d_8x8_ssse3;
1192 INIT8( satd, _ssse3 );
1193 INIT7( satd_x3, _ssse3 );
1194 INIT7( satd_x4, _ssse3 );
1196 pixf->sa8d_satd[PIXEL_16x16] = x264_pixel_sa8d_satd_16x16_ssse3;
1199 pixf->intra_satd_x3_16x16 = x264_intra_satd_x3_16x16_ssse3;
1200 if( !(cpu&X264_CPU_SLOW_PSHUFB) )
1201 pixf->intra_sad_x3_16x16 = x264_intra_sad_x3_16x16_ssse3;
1202 pixf->intra_satd_x3_8x16c = x264_intra_satd_x3_8x16c_ssse3;
1203 pixf->intra_satd_x3_8x8c = x264_intra_satd_x3_8x8c_ssse3;
1204 pixf->intra_sad_x3_8x8c = x264_intra_sad_x3_8x8c_ssse3;
1205 pixf->var2[PIXEL_8x8] = x264_pixel_var2_8x8_ssse3;
1206 pixf->var2[PIXEL_8x16] = x264_pixel_var2_8x16_ssse3;
1207 pixf->asd8 = x264_pixel_asd8_ssse3;
1208 if( cpu&X264_CPU_CACHELINE_64 )
1210 INIT2( sad, _cache64_ssse3 );
1211 INIT2( sad_x3, _cache64_ssse3 );
1212 INIT2( sad_x4, _cache64_ssse3 );
1216 INIT2( sad_x3, _ssse3 );
1217 INIT5( sad_x4, _ssse3 );
1219 if( (cpu&X264_CPU_SLOW_ATOM) || (cpu&X264_CPU_SLOW_SHUFFLE) )
1221 INIT5( ssd, _sse2 ); /* on conroe, sse2 is faster for width8/16 */
1225 if( cpu&X264_CPU_SSE4 )
1227 INIT8( satd, _sse4 );
1228 INIT7( satd_x3, _sse4 );
1229 INIT7( satd_x4, _sse4 );
1230 INIT4( hadamard_ac, _sse4 );
1231 if( !(cpu&X264_CPU_STACK_MOD4) )
1233 pixf->intra_sad_x9_4x4 = x264_intra_sad_x9_4x4_sse4;
1234 pixf->intra_satd_x9_4x4 = x264_intra_satd_x9_4x4_sse4;
1235 pixf->intra_sad_x9_8x8 = x264_intra_sad_x9_8x8_sse4;
1237 pixf->intra_sa8d_x9_8x8 = x264_intra_sa8d_x9_8x8_sse4;
1240 pixf->sa8d[PIXEL_16x16]= x264_pixel_sa8d_16x16_sse4;
1241 pixf->sa8d[PIXEL_8x8] = x264_pixel_sa8d_8x8_sse4;
1242 pixf->intra_satd_x3_8x16c = x264_intra_satd_x3_8x16c_sse4;
1244 pixf->sa8d_satd[PIXEL_16x16] = x264_pixel_sa8d_satd_16x16_sse4;
1248 if( cpu&X264_CPU_AVX )
1250 INIT2_NAME( sad_aligned, sad, _sse2 ); /* AVX-capable CPUs doesn't benefit from an aligned version */
1251 INIT2( sad_x3, _avx );
1252 INIT2( sad_x4, _avx );
1253 INIT8( satd, _avx );
1254 INIT7( satd_x3, _avx );
1255 INIT7( satd_x4, _avx );
1257 INIT4( hadamard_ac, _avx );
1258 if( !(cpu&X264_CPU_STACK_MOD4) )
1260 pixf->intra_sad_x9_4x4 = x264_intra_sad_x9_4x4_avx;
1261 pixf->intra_satd_x9_4x4 = x264_intra_satd_x9_4x4_avx;
1262 pixf->intra_sad_x9_8x8 = x264_intra_sad_x9_8x8_avx;
1264 pixf->intra_sa8d_x9_8x8 = x264_intra_sa8d_x9_8x8_avx;
1268 pixf->sa8d[PIXEL_16x16]= x264_pixel_sa8d_16x16_avx;
1269 pixf->sa8d[PIXEL_8x8] = x264_pixel_sa8d_8x8_avx;
1270 pixf->intra_satd_x3_8x16c = x264_intra_satd_x3_8x16c_avx;
1271 pixf->ssd_nv12_core = x264_pixel_ssd_nv12_core_avx;
1272 pixf->var[PIXEL_16x16] = x264_pixel_var_16x16_avx;
1273 pixf->var[PIXEL_8x16] = x264_pixel_var_8x16_avx;
1274 pixf->var[PIXEL_8x8] = x264_pixel_var_8x8_avx;
1275 pixf->ssim_4x4x2_core = x264_pixel_ssim_4x4x2_core_avx;
1276 pixf->ssim_end4 = x264_pixel_ssim_end4_avx;
1278 pixf->sa8d_satd[PIXEL_16x16] = x264_pixel_sa8d_satd_16x16_avx;
1282 if( cpu&X264_CPU_XOP )
1284 INIT7( satd, _xop );
1285 INIT7( satd_x3, _xop );
1286 INIT7( satd_x4, _xop );
1287 INIT4( hadamard_ac, _xop );
1288 if( !(cpu&X264_CPU_STACK_MOD4) )
1290 pixf->intra_satd_x9_4x4 = x264_intra_satd_x9_4x4_xop;
1293 pixf->sa8d[PIXEL_16x16]= x264_pixel_sa8d_16x16_xop;
1294 pixf->sa8d[PIXEL_8x8] = x264_pixel_sa8d_8x8_xop;
1295 pixf->intra_satd_x3_8x16c = x264_intra_satd_x3_8x16c_xop;
1296 pixf->var[PIXEL_16x16] = x264_pixel_var_16x16_xop;
1297 pixf->var[PIXEL_8x16] = x264_pixel_var_8x16_xop;
1298 pixf->var[PIXEL_8x8] = x264_pixel_var_8x8_xop;
1299 pixf->var2[PIXEL_8x8] = x264_pixel_var2_8x8_xop;
1300 pixf->var2[PIXEL_8x16] = x264_pixel_var2_8x16_xop;
1302 pixf->sa8d_satd[PIXEL_16x16] = x264_pixel_sa8d_satd_16x16_xop;
1306 if( cpu&X264_CPU_AVX2 )
1308 INIT2( ssd, _avx2 );
1309 INIT2( sad_x3, _avx2 );
1310 INIT2( sad_x4, _avx2 );
1311 INIT4( satd, _avx2 );
1312 INIT2( hadamard_ac, _avx2 );
1314 pixf->sa8d[PIXEL_8x8] = x264_pixel_sa8d_8x8_avx2;
1315 pixf->var[PIXEL_16x16] = x264_pixel_var_16x16_avx2;
1316 pixf->var2[PIXEL_8x16] = x264_pixel_var2_8x16_avx2;
1317 pixf->var2[PIXEL_8x8] = x264_pixel_var2_8x8_avx2;
1318 pixf->intra_sad_x3_16x16 = x264_intra_sad_x3_16x16_avx2;
1319 pixf->intra_sad_x9_8x8 = x264_intra_sad_x9_8x8_avx2;
1320 pixf->intra_sad_x3_8x8c = x264_intra_sad_x3_8x8c_avx2;
1321 pixf->ssd_nv12_core = x264_pixel_ssd_nv12_core_avx2;
1323 pixf->sa8d_satd[PIXEL_16x16] = x264_pixel_sa8d_satd_16x16_avx2;
1329 if( cpu&X264_CPU_ARMV6 )
1331 pixf->sad[PIXEL_4x8] = x264_pixel_sad_4x8_armv6;
1332 pixf->sad[PIXEL_4x4] = x264_pixel_sad_4x4_armv6;
1333 pixf->sad_aligned[PIXEL_4x8] = x264_pixel_sad_4x8_armv6;
1334 pixf->sad_aligned[PIXEL_4x4] = x264_pixel_sad_4x4_armv6;
1336 if( cpu&X264_CPU_NEON )
1338 INIT5( sad, _neon );
1339 INIT5( sad_aligned, _neon );
1340 INIT7( sad_x3, _neon );
1341 INIT7( sad_x4, _neon );
1342 INIT7( ssd, _neon );
1343 INIT7( satd, _neon );
1344 INIT7( satd_x3, _neon );
1345 INIT7( satd_x4, _neon );
1346 INIT4( hadamard_ac, _neon );
1347 pixf->sa8d[PIXEL_8x8] = x264_pixel_sa8d_8x8_neon;
1348 pixf->sa8d[PIXEL_16x16] = x264_pixel_sa8d_16x16_neon;
1349 pixf->var[PIXEL_8x8] = x264_pixel_var_8x8_neon;
1350 pixf->var[PIXEL_8x16] = x264_pixel_var_8x16_neon;
1351 pixf->var[PIXEL_16x16] = x264_pixel_var_16x16_neon;
1352 pixf->var2[PIXEL_8x8] = x264_pixel_var2_8x8_neon;
1353 pixf->var2[PIXEL_8x16] = x264_pixel_var2_8x16_neon;
1355 pixf->ssim_4x4x2_core = x264_pixel_ssim_4x4x2_core_neon;
1356 pixf->ssim_end4 = x264_pixel_ssim_end4_neon;
1358 if( cpu&X264_CPU_FAST_NEON_MRC )
1360 pixf->sad[PIXEL_4x8] = x264_pixel_sad_4x8_neon;
1361 pixf->sad[PIXEL_4x4] = x264_pixel_sad_4x4_neon;
1362 pixf->sad_aligned[PIXEL_4x8] = x264_pixel_sad_aligned_4x8_neon;
1363 pixf->sad_aligned[PIXEL_4x4] = x264_pixel_sad_aligned_4x4_neon;
1365 else // really just scheduled for dual issue / A8
1367 INIT5( sad_aligned, _neon_dual );
1371 #endif // HIGH_BIT_DEPTH
1373 if( cpu&X264_CPU_ALTIVEC )
1375 x264_pixel_altivec_init( pixf );
1381 INIT4( sad_x3, _vis );
1382 INIT4( sad_x4, _vis );
1384 #endif // !HIGH_BIT_DEPTH
1386 pixf->ads[PIXEL_8x16] =
1387 pixf->ads[PIXEL_8x4] =
1388 pixf->ads[PIXEL_4x8] = pixf->ads[PIXEL_16x8];
1389 pixf->ads[PIXEL_4x4] = pixf->ads[PIXEL_8x8];