1 /*****************************************************************************
2 * pixel.c: pixel metrics
3 *****************************************************************************
4 * Copyright (C) 2003-2012 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 );
374 static NOINLINE uint64_t pixel_hadamard_ac( pixel *pix, intptr_t stride )
377 sum2_t a0, a1, a2, a3, dc;
378 sum2_t sum4 = 0, sum8 = 0;
379 for( int i = 0; i < 8; i++, pix+=stride )
381 sum2_t *t = tmp + (i&3) + (i&4)*4;
382 a0 = (pix[0]+pix[1]) + ((sum2_t)(pix[0]-pix[1])<<BITS_PER_SUM);
383 a1 = (pix[2]+pix[3]) + ((sum2_t)(pix[2]-pix[3])<<BITS_PER_SUM);
386 a2 = (pix[4]+pix[5]) + ((sum2_t)(pix[4]-pix[5])<<BITS_PER_SUM);
387 a3 = (pix[6]+pix[7]) + ((sum2_t)(pix[6]-pix[7])<<BITS_PER_SUM);
391 for( int i = 0; i < 8; i++ )
393 HADAMARD4( a0, a1, a2, a3, tmp[i*4+0], tmp[i*4+1], tmp[i*4+2], tmp[i*4+3] );
398 sum4 += abs2(a0) + abs2(a1) + abs2(a2) + abs2(a3);
400 for( int i = 0; i < 8; i++ )
402 HADAMARD4( a0,a1,a2,a3, tmp[i], tmp[8+i], tmp[16+i], tmp[24+i] );
403 sum8 += abs2(a0) + abs2(a1) + abs2(a2) + abs2(a3);
405 dc = (sum_t)(tmp[0] + tmp[8] + tmp[16] + tmp[24]);
406 sum4 = (sum_t)sum4 + (sum4>>BITS_PER_SUM) - dc;
407 sum8 = (sum_t)sum8 + (sum8>>BITS_PER_SUM) - dc;
408 return ((uint64_t)sum8<<32) + sum4;
411 #define HADAMARD_AC(w,h) \
412 static uint64_t x264_pixel_hadamard_ac_##w##x##h( pixel *pix, intptr_t stride )\
414 uint64_t sum = pixel_hadamard_ac( pix, stride );\
416 sum += pixel_hadamard_ac( pix+8, stride );\
418 sum += pixel_hadamard_ac( pix+8*stride, stride );\
419 if( w==16 && h==16 )\
420 sum += pixel_hadamard_ac( pix+8*stride+8, stride );\
421 return ((sum>>34)<<32) + ((uint32_t)sum>>1);\
423 HADAMARD_AC( 16, 16 )
429 /****************************************************************************
431 ****************************************************************************/
432 #define SAD_X( size ) \
433 static void x264_pixel_sad_x3_##size( pixel *fenc, pixel *pix0, pixel *pix1, pixel *pix2,\
434 intptr_t i_stride, int scores[3] )\
436 scores[0] = x264_pixel_sad_##size( fenc, FENC_STRIDE, pix0, i_stride );\
437 scores[1] = x264_pixel_sad_##size( fenc, FENC_STRIDE, pix1, i_stride );\
438 scores[2] = x264_pixel_sad_##size( fenc, FENC_STRIDE, pix2, i_stride );\
440 static void x264_pixel_sad_x4_##size( pixel *fenc, pixel *pix0, pixel *pix1,pixel *pix2, pixel *pix3,\
441 intptr_t i_stride, int scores[4] )\
443 scores[0] = x264_pixel_sad_##size( fenc, FENC_STRIDE, pix0, i_stride );\
444 scores[1] = x264_pixel_sad_##size( fenc, FENC_STRIDE, pix1, i_stride );\
445 scores[2] = x264_pixel_sad_##size( fenc, FENC_STRIDE, pix2, i_stride );\
446 scores[3] = x264_pixel_sad_##size( fenc, FENC_STRIDE, pix3, i_stride );\
464 #endif // !HIGH_BIT_DEPTH
466 /****************************************************************************
468 * no faster than single satd, but needed for satd to be a drop-in replacement for sad
469 ****************************************************************************/
471 #define SATD_X( size, cpu ) \
472 static void x264_pixel_satd_x3_##size##cpu( pixel *fenc, pixel *pix0, pixel *pix1, pixel *pix2,\
473 intptr_t i_stride, int scores[3] )\
475 scores[0] = x264_pixel_satd_##size##cpu( fenc, FENC_STRIDE, pix0, i_stride );\
476 scores[1] = x264_pixel_satd_##size##cpu( fenc, FENC_STRIDE, pix1, i_stride );\
477 scores[2] = x264_pixel_satd_##size##cpu( fenc, FENC_STRIDE, pix2, i_stride );\
479 static void x264_pixel_satd_x4_##size##cpu( pixel *fenc, pixel *pix0, pixel *pix1, pixel *pix2, pixel *pix3,\
480 intptr_t i_stride, int scores[4] )\
482 scores[0] = x264_pixel_satd_##size##cpu( fenc, FENC_STRIDE, pix0, i_stride );\
483 scores[1] = x264_pixel_satd_##size##cpu( fenc, FENC_STRIDE, pix1, i_stride );\
484 scores[2] = x264_pixel_satd_##size##cpu( fenc, FENC_STRIDE, pix2, i_stride );\
485 scores[3] = x264_pixel_satd_##size##cpu( fenc, FENC_STRIDE, pix3, i_stride );\
487 #define SATD_X_DECL6( cpu )\
488 SATD_X( 16x16, cpu )\
494 #define SATD_X_DECL7( cpu )\
500 SATD_X_DECL7( _mmx2 )
502 SATD_X_DECL6( _sse2 )
503 SATD_X_DECL7( _ssse3 )
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 INTRA_MBCMP_8x8( sad, _mmx2, _c )
532 INTRA_MBCMP_8x8(sa8d, _sse2, _sse2 )
535 #define INTRA_MBCMP( mbcmp, size, pred1, pred2, pred3, chroma, cpu, cpu2 )\
536 void x264_intra_##mbcmp##_x3_##size##chroma##cpu( pixel *fenc, pixel *fdec, int res[3] )\
538 x264_predict_##size##chroma##_##pred1##cpu2( fdec );\
539 res[0] = x264_pixel_##mbcmp##_##size##cpu( fdec, FDEC_STRIDE, fenc, FENC_STRIDE );\
540 x264_predict_##size##chroma##_##pred2##cpu2( fdec );\
541 res[1] = x264_pixel_##mbcmp##_##size##cpu( fdec, FDEC_STRIDE, fenc, FENC_STRIDE );\
542 x264_predict_##size##chroma##_##pred3##cpu2( fdec );\
543 res[2] = x264_pixel_##mbcmp##_##size##cpu( fdec, FDEC_STRIDE, fenc, FENC_STRIDE );\
546 INTRA_MBCMP( sad, 4x4, v, h, dc, ,, _c )
547 INTRA_MBCMP(satd, 4x4, v, h, dc, ,, _c )
548 INTRA_MBCMP( sad, 8x8, dc, h, v, c,, _c )
549 INTRA_MBCMP(satd, 8x8, dc, h, v, c,, _c )
550 INTRA_MBCMP( sad, 8x16, dc, h, v, c,, _c )
551 INTRA_MBCMP(satd, 8x16, dc, h, v, c,, _c )
552 INTRA_MBCMP( sad, 16x16, v, h, dc, ,, _c )
553 INTRA_MBCMP(satd, 16x16, v, h, dc, ,, _c )
557 INTRA_MBCMP( sad, 4x4, v, h, dc, , _mmx2, _c )
558 INTRA_MBCMP( sad, 8x8, dc, h, v, c, _mmx2, _c )
559 INTRA_MBCMP( sad, 16x16, v, h, dc, , _mmx2, _mmx2 )
560 INTRA_MBCMP( sad, 8x8, dc, h, v, c, _sse2, _sse2 )
561 INTRA_MBCMP( sad, 16x16, v, h, dc, , _sse2, _sse2 )
562 INTRA_MBCMP( sad, 8x8, dc, h, v, c, _ssse3, _sse2 )
563 INTRA_MBCMP( sad, 16x16, v, h, dc, , _ssse3, _sse2 )
565 #define x264_predict_8x16c_v_mmx2 x264_predict_8x16c_v_mmx
566 INTRA_MBCMP( sad, 8x16, dc, h, v, c, _mmx2, _mmx2 )
567 INTRA_MBCMP(satd, 8x16, dc, h, v, c, _mmx2, _mmx2 )
568 INTRA_MBCMP( sad, 8x16, dc, h, v, c, _sse2, _mmx2 )
569 INTRA_MBCMP(satd, 8x16, dc, h, v, c, _sse2, _mmx2 )
570 INTRA_MBCMP(satd, 8x16, dc, h, v, c, _ssse3, _mmx2 )
571 INTRA_MBCMP(satd, 8x16, dc, h, v, c, _sse4, _mmx2 )
572 INTRA_MBCMP(satd, 8x16, dc, h, v, c, _avx, _mmx2 )
573 INTRA_MBCMP(satd, 8x16, dc, h, v, c, _xop, _mmx2 )
577 // No C implementation of intra_satd_x9. See checkasm for its behavior,
578 // or see x264_mb_analyse_intra for the entirely different algorithm we
579 // use when lacking an asm implementation of it.
583 /****************************************************************************
584 * structural similarity metric
585 ****************************************************************************/
586 static void ssim_4x4x2_core( const pixel *pix1, intptr_t stride1,
587 const pixel *pix2, intptr_t stride2,
590 for( int z = 0; z < 2; z++ )
592 uint32_t s1 = 0, s2 = 0, ss = 0, s12 = 0;
593 for( int y = 0; y < 4; y++ )
594 for( int x = 0; x < 4; x++ )
596 int a = pix1[x+y*stride1];
597 int b = pix2[x+y*stride2];
613 static float ssim_end1( int s1, int s2, int ss, int s12 )
615 /* Maximum value for 10-bit is: ss*64 = (2^10-1)^2*16*4*64 = 4286582784, which will overflow in some cases.
616 * s1*s1, s2*s2, and s1*s2 also obtain this value for edge cases: ((2^10-1)*16*4)^2 = 4286582784.
617 * Maximum value for 9-bit is: ss*64 = (2^9-1)^2*16*4*64 = 1069551616, which will not overflow. */
620 static const float ssim_c1 = .01*.01*PIXEL_MAX*PIXEL_MAX*64;
621 static const float ssim_c2 = .03*.03*PIXEL_MAX*PIXEL_MAX*64*63;
624 static const int ssim_c1 = (int)(.01*.01*PIXEL_MAX*PIXEL_MAX*64 + .5);
625 static const int ssim_c2 = (int)(.03*.03*PIXEL_MAX*PIXEL_MAX*64*63 + .5);
631 type vars = fss*64 - fs1*fs1 - fs2*fs2;
632 type covar = fs12*64 - fs1*fs2;
633 return (float)(2*fs1*fs2 + ssim_c1) * (float)(2*covar + ssim_c2)
634 / ((float)(fs1*fs1 + fs2*fs2 + ssim_c1) * (float)(vars + ssim_c2));
638 static float ssim_end4( int sum0[5][4], int sum1[5][4], int width )
641 for( int i = 0; i < width; i++ )
642 ssim += ssim_end1( sum0[i][0] + sum0[i+1][0] + sum1[i][0] + sum1[i+1][0],
643 sum0[i][1] + sum0[i+1][1] + sum1[i][1] + sum1[i+1][1],
644 sum0[i][2] + sum0[i+1][2] + sum1[i][2] + sum1[i+1][2],
645 sum0[i][3] + sum0[i+1][3] + sum1[i][3] + sum1[i+1][3] );
649 float x264_pixel_ssim_wxh( x264_pixel_function_t *pf,
650 pixel *pix1, intptr_t stride1,
651 pixel *pix2, intptr_t stride2,
652 int width, int height, void *buf, int *cnt )
656 int (*sum0)[4] = buf;
657 int (*sum1)[4] = sum0 + (width >> 2) + 3;
660 for( int y = 1; y < height; y++ )
664 XCHG( void*, sum0, sum1 );
665 for( int x = 0; x < width; x+=2 )
666 pf->ssim_4x4x2_core( &pix1[4*(x+z*stride1)], stride1, &pix2[4*(x+z*stride2)], stride2, &sum0[x] );
668 for( int x = 0; x < width-1; x += 4 )
669 ssim += pf->ssim_end4( sum0+x, sum1+x, X264_MIN(4,width-x-1) );
671 *cnt = (height-1) * (width-1);
675 static int pixel_vsad( pixel *src, intptr_t stride, int height )
678 for( int i = 1; i < height; i++, src += stride )
679 for( int j = 0; j < 16; j++ )
680 score += abs(src[j] - src[j+stride]);
684 int x264_field_vsad( x264_t *h, int mb_x, int mb_y )
686 int score_field, score_frame;
687 int stride = h->fenc->i_stride[0];
688 int mb_stride = h->mb.i_mb_stride;
689 pixel *fenc = h->fenc->plane[0] + 16 * (mb_x + mb_y * stride);
690 int mb_xy = mb_x + mb_y*mb_stride;
692 /* We don't want to analyze pixels outside the frame, as it gives inaccurate results. */
693 int mbpair_height = X264_MIN( h->param.i_height - mb_y * 16, 32 );
694 score_frame = h->pixf.vsad( fenc, stride, mbpair_height );
695 score_field = h->pixf.vsad( fenc, stride*2, mbpair_height >> 1 );
696 score_field += h->pixf.vsad( fenc+stride, stride*2, mbpair_height >> 1 );
699 score_field += 512 - h->mb.field[mb_xy -1]*1024;
701 score_field += 512 - h->mb.field[mb_xy-mb_stride]*1024;
703 return (score_field < score_frame);
706 static int pixel_asd8( pixel *pix1, intptr_t stride1, pixel *pix2, intptr_t stride2, int height )
709 for( int y = 0; y < height; y++, pix1 += stride1, pix2 += stride2 )
710 for( int x = 0; x < 8; x++ )
711 sum += pix1[x] - pix2[x];
715 /****************************************************************************
716 * successive elimination
717 ****************************************************************************/
718 static int x264_pixel_ads4( int enc_dc[4], uint16_t *sums, int delta,
719 uint16_t *cost_mvx, int16_t *mvs, int width, int thresh )
722 for( int i = 0; i < width; i++, sums++ )
724 int ads = abs( enc_dc[0] - sums[0] )
725 + abs( enc_dc[1] - sums[8] )
726 + abs( enc_dc[2] - sums[delta] )
727 + abs( enc_dc[3] - sums[delta+8] )
735 static int x264_pixel_ads2( int enc_dc[2], uint16_t *sums, int delta,
736 uint16_t *cost_mvx, int16_t *mvs, int width, int thresh )
739 for( int i = 0; i < width; i++, sums++ )
741 int ads = abs( enc_dc[0] - sums[0] )
742 + abs( enc_dc[1] - sums[delta] )
750 static int x264_pixel_ads1( int enc_dc[1], uint16_t *sums, int delta,
751 uint16_t *cost_mvx, int16_t *mvs, int width, int thresh )
754 for( int i = 0; i<width; i++, sums++ )
756 int ads = abs( enc_dc[0] - sums[0] )
765 /****************************************************************************
767 ****************************************************************************/
768 void x264_pixel_init( int cpu, x264_pixel_function_t *pixf )
770 memset( pixf, 0, sizeof(*pixf) );
772 #define INIT2_NAME( name1, name2, cpu ) \
773 pixf->name1[PIXEL_16x16] = x264_pixel_##name2##_16x16##cpu;\
774 pixf->name1[PIXEL_16x8] = x264_pixel_##name2##_16x8##cpu;
775 #define INIT4_NAME( name1, name2, cpu ) \
776 INIT2_NAME( name1, name2, cpu ) \
777 pixf->name1[PIXEL_8x16] = x264_pixel_##name2##_8x16##cpu;\
778 pixf->name1[PIXEL_8x8] = x264_pixel_##name2##_8x8##cpu;
779 #define INIT5_NAME( name1, name2, cpu ) \
780 INIT4_NAME( name1, name2, cpu ) \
781 pixf->name1[PIXEL_8x4] = x264_pixel_##name2##_8x4##cpu;
782 #define INIT6_NAME( name1, name2, cpu ) \
783 INIT5_NAME( name1, name2, cpu ) \
784 pixf->name1[PIXEL_4x8] = x264_pixel_##name2##_4x8##cpu;
785 #define INIT7_NAME( name1, name2, cpu ) \
786 INIT6_NAME( name1, name2, cpu ) \
787 pixf->name1[PIXEL_4x4] = x264_pixel_##name2##_4x4##cpu;
788 #define INIT8_NAME( name1, name2, cpu ) \
789 INIT7_NAME( name1, name2, cpu ) \
790 pixf->name1[PIXEL_4x16] = x264_pixel_##name2##_4x16##cpu;
791 #define INIT2( name, cpu ) INIT2_NAME( name, name, cpu )
792 #define INIT4( name, cpu ) INIT4_NAME( name, name, cpu )
793 #define INIT5( name, cpu ) INIT5_NAME( name, name, cpu )
794 #define INIT6( name, cpu ) INIT6_NAME( name, name, cpu )
795 #define INIT7( name, cpu ) INIT7_NAME( name, name, cpu )
796 #define INIT8( name, cpu ) INIT8_NAME( name, name, cpu )
798 #define INIT_ADS( cpu ) \
799 pixf->ads[PIXEL_16x16] = x264_pixel_ads4##cpu;\
800 pixf->ads[PIXEL_16x8] = x264_pixel_ads2##cpu;\
801 pixf->ads[PIXEL_8x8] = x264_pixel_ads1##cpu;
804 INIT8_NAME( sad_aligned, sad, );
811 INIT4( hadamard_ac, );
814 pixf->sa8d[PIXEL_16x16] = x264_pixel_sa8d_16x16;
815 pixf->sa8d[PIXEL_8x8] = x264_pixel_sa8d_8x8;
816 pixf->var[PIXEL_16x16] = x264_pixel_var_16x16;
817 pixf->var[PIXEL_8x16] = x264_pixel_var_8x16;
818 pixf->var[PIXEL_8x8] = x264_pixel_var_8x8;
819 pixf->var2[PIXEL_8x16] = x264_pixel_var2_8x16;
820 pixf->var2[PIXEL_8x8] = x264_pixel_var2_8x8;
822 pixf->ssd_nv12_core = pixel_ssd_nv12_core;
823 pixf->ssim_4x4x2_core = ssim_4x4x2_core;
824 pixf->ssim_end4 = ssim_end4;
825 pixf->vsad = pixel_vsad;
826 pixf->asd8 = pixel_asd8;
828 pixf->intra_sad_x3_4x4 = x264_intra_sad_x3_4x4;
829 pixf->intra_satd_x3_4x4 = x264_intra_satd_x3_4x4;
830 pixf->intra_sad_x3_8x8 = x264_intra_sad_x3_8x8;
831 pixf->intra_sa8d_x3_8x8 = x264_intra_sa8d_x3_8x8;
832 pixf->intra_sad_x3_8x8c = x264_intra_sad_x3_8x8c;
833 pixf->intra_satd_x3_8x8c = x264_intra_satd_x3_8x8c;
834 pixf->intra_sad_x3_8x16c = x264_intra_sad_x3_8x16c;
835 pixf->intra_satd_x3_8x16c = x264_intra_satd_x3_8x16c;
836 pixf->intra_sad_x3_16x16 = x264_intra_sad_x3_16x16;
837 pixf->intra_satd_x3_16x16 = x264_intra_satd_x3_16x16;
841 if( cpu&X264_CPU_MMX2 )
844 INIT7( sad_x3, _mmx2 );
845 INIT7( sad_x4, _mmx2 );
846 INIT8( satd, _mmx2 );
847 INIT7( satd_x3, _mmx2 );
848 INIT7( satd_x4, _mmx2 );
849 INIT4( hadamard_ac, _mmx2 );
853 pixf->ssd_nv12_core = x264_pixel_ssd_nv12_core_mmx2;
854 pixf->var[PIXEL_16x16] = x264_pixel_var_16x16_mmx2;
855 pixf->var[PIXEL_8x8] = x264_pixel_var_8x8_mmx2;
857 pixf->var2[PIXEL_8x8] = x264_pixel_var2_8x8_mmx2;
858 pixf->var2[PIXEL_8x16] = x264_pixel_var2_8x16_mmx2;
861 pixf->intra_sad_x3_4x4 = x264_intra_sad_x3_4x4_mmx2;
862 pixf->intra_satd_x3_4x4 = x264_intra_satd_x3_4x4_mmx2;
863 pixf->intra_sad_x3_8x8 = x264_intra_sad_x3_8x8_mmx2;
864 pixf->intra_sad_x3_8x8c = x264_intra_sad_x3_8x8c_mmx2;
865 pixf->intra_satd_x3_8x8c = x264_intra_satd_x3_8x8c_mmx2;
866 pixf->intra_sad_x3_16x16 = x264_intra_sad_x3_16x16_mmx2;
867 pixf->intra_satd_x3_16x16 = x264_intra_satd_x3_16x16_mmx2;
869 if( cpu&X264_CPU_SSE2 )
871 INIT4_NAME( sad_aligned, sad, _sse2_aligned );
874 pixf->sa8d[PIXEL_16x16] = x264_pixel_sa8d_16x16_sse2;
875 pixf->sa8d[PIXEL_8x8] = x264_pixel_sa8d_8x8_sse2;
877 pixf->intra_sa8d_x3_8x8 = x264_intra_sa8d_x3_8x8_sse2;
879 pixf->intra_sad_x3_4x4 = x264_intra_sad_x3_4x4_sse2;
880 pixf->ssd_nv12_core = x264_pixel_ssd_nv12_core_sse2;
881 pixf->ssim_4x4x2_core = x264_pixel_ssim_4x4x2_core_sse2;
882 pixf->ssim_end4 = x264_pixel_ssim_end4_sse2;
883 pixf->var[PIXEL_16x16] = x264_pixel_var_16x16_sse2;
884 pixf->var[PIXEL_8x8] = x264_pixel_var_8x8_sse2;
885 pixf->var2[PIXEL_8x8] = x264_pixel_var2_8x8_sse2;
886 pixf->var2[PIXEL_8x16] = x264_pixel_var2_8x16_sse2;
887 pixf->intra_sad_x3_8x8 = x264_intra_sad_x3_8x8_sse2;
889 if( (cpu&X264_CPU_SSE2) && !(cpu&X264_CPU_SSE2_IS_SLOW) )
892 INIT2( sad_x3, _sse2 );
893 INIT2( sad_x4, _sse2 );
896 if( !(cpu&X264_CPU_STACK_MOD4) )
898 INIT4( hadamard_ac, _sse2 );
900 pixf->vsad = x264_pixel_vsad_sse2;
901 pixf->asd8 = x264_pixel_asd8_sse2;
902 pixf->intra_sad_x3_8x8 = x264_intra_sad_x3_8x8_sse2;
903 pixf->intra_sad_x3_8x8c = x264_intra_sad_x3_8x8c_sse2;
904 pixf->intra_sad_x3_16x16 = x264_intra_sad_x3_16x16_sse2;
906 if( cpu&X264_CPU_SSE2_IS_FAST )
908 pixf->sad[PIXEL_8x16] = x264_pixel_sad_8x16_sse2;
909 pixf->sad_x3[PIXEL_8x16] = x264_pixel_sad_x3_8x16_sse2;
910 pixf->sad_x3[PIXEL_8x8] = x264_pixel_sad_x3_8x8_sse2;
911 pixf->sad_x3[PIXEL_8x4] = x264_pixel_sad_x3_8x4_sse2;
912 pixf->sad_x4[PIXEL_8x16] = x264_pixel_sad_x4_8x16_sse2;
913 pixf->sad_x4[PIXEL_8x8] = x264_pixel_sad_x4_8x8_sse2;
914 pixf->sad_x4[PIXEL_8x4] = x264_pixel_sad_x4_8x4_sse2;
916 if( cpu&X264_CPU_SSSE3 )
918 INIT4_NAME( sad_aligned, sad, _ssse3_aligned );
919 INIT7( sad, _ssse3 );
920 INIT7( sad_x3, _ssse3 );
921 INIT7( sad_x4, _ssse3 );
924 if( !(cpu&X264_CPU_STACK_MOD4) )
926 INIT4( hadamard_ac, _ssse3 );
928 pixf->vsad = x264_pixel_vsad_ssse3;
929 pixf->asd8 = x264_pixel_asd8_ssse3;
930 pixf->intra_sad_x3_4x4 = x264_intra_sad_x3_4x4_ssse3;
931 pixf->sa8d[PIXEL_16x16]= x264_pixel_sa8d_16x16_ssse3;
932 pixf->sa8d[PIXEL_8x8] = x264_pixel_sa8d_8x8_ssse3;
933 pixf->intra_sad_x3_4x4 = x264_intra_sad_x3_4x4_ssse3;
934 pixf->intra_sad_x3_8x8 = x264_intra_sad_x3_8x8_ssse3;
935 pixf->intra_sad_x3_8x8c = x264_intra_sad_x3_8x8c_ssse3;
936 pixf->intra_sad_x3_16x16 = x264_intra_sad_x3_16x16_ssse3;
938 if( cpu&X264_CPU_SSE4 )
940 if( !(cpu&X264_CPU_STACK_MOD4) )
942 INIT4( hadamard_ac, _sse4 );
944 pixf->sa8d[PIXEL_16x16]= x264_pixel_sa8d_16x16_sse4;
945 pixf->sa8d[PIXEL_8x8] = x264_pixel_sa8d_8x8_sse4;
947 if( cpu&X264_CPU_AVX )
950 if( !(cpu&X264_CPU_STACK_MOD4) )
952 INIT4( hadamard_ac, _avx );
954 pixf->intra_sad_x3_4x4 = x264_intra_sad_x3_4x4_avx;
955 pixf->sa8d[PIXEL_16x16]= x264_pixel_sa8d_16x16_avx;
956 pixf->sa8d[PIXEL_8x8] = x264_pixel_sa8d_8x8_avx;
957 pixf->var[PIXEL_16x16] = x264_pixel_var_16x16_avx;
958 pixf->var[PIXEL_8x8] = x264_pixel_var_8x8_avx;
959 pixf->ssd_nv12_core = x264_pixel_ssd_nv12_core_avx;
960 pixf->ssim_4x4x2_core = x264_pixel_ssim_4x4x2_core_avx;
961 pixf->ssim_end4 = x264_pixel_ssim_end4_avx;
963 if( cpu&X264_CPU_XOP )
965 pixf->vsad = x264_pixel_vsad_xop;
966 pixf->asd8 = x264_pixel_asd8_xop;
969 #else // !HIGH_BIT_DEPTH
971 if( cpu&X264_CPU_MMX )
976 if( cpu&X264_CPU_MMX2 )
979 INIT8_NAME( sad_aligned, sad, _mmx2 );
980 INIT7( sad_x3, _mmx2 );
981 INIT7( sad_x4, _mmx2 );
982 INIT8( satd, _mmx2 );
983 INIT7( satd_x3, _mmx2 );
984 INIT7( satd_x4, _mmx2 );
985 INIT4( hadamard_ac, _mmx2 );
987 pixf->var[PIXEL_16x16] = x264_pixel_var_16x16_mmx2;
988 pixf->var[PIXEL_8x16] = x264_pixel_var_8x16_mmx2;
989 pixf->var[PIXEL_8x8] = x264_pixel_var_8x8_mmx2;
990 pixf->ssd_nv12_core = x264_pixel_ssd_nv12_core_mmx2;
992 pixf->sa8d[PIXEL_16x16] = x264_pixel_sa8d_16x16_mmx2;
993 pixf->sa8d[PIXEL_8x8] = x264_pixel_sa8d_8x8_mmx2;
994 pixf->intra_sa8d_x3_8x8 = x264_intra_sa8d_x3_8x8_mmx2;
995 pixf->ssim_4x4x2_core = x264_pixel_ssim_4x4x2_core_mmx2;
996 pixf->var2[PIXEL_8x8] = x264_pixel_var2_8x8_mmx2;
997 pixf->var2[PIXEL_8x16] = x264_pixel_var2_8x16_mmx2;
998 pixf->vsad = x264_pixel_vsad_mmx2;
1000 if( cpu&X264_CPU_CACHELINE_32 )
1002 INIT5( sad, _cache32_mmx2 );
1003 INIT4( sad_x3, _cache32_mmx2 );
1004 INIT4( sad_x4, _cache32_mmx2 );
1006 else if( cpu&X264_CPU_CACHELINE_64 )
1008 INIT5( sad, _cache64_mmx2 );
1009 INIT4( sad_x3, _cache64_mmx2 );
1010 INIT4( sad_x4, _cache64_mmx2 );
1013 if( cpu&X264_CPU_CACHELINE_64 )
1015 pixf->sad[PIXEL_8x16] = x264_pixel_sad_8x16_cache64_mmx2;
1016 pixf->sad[PIXEL_8x8] = x264_pixel_sad_8x8_cache64_mmx2;
1017 pixf->sad[PIXEL_8x4] = x264_pixel_sad_8x4_cache64_mmx2;
1018 pixf->sad_x3[PIXEL_8x16] = x264_pixel_sad_x3_8x16_cache64_mmx2;
1019 pixf->sad_x3[PIXEL_8x8] = x264_pixel_sad_x3_8x8_cache64_mmx2;
1020 pixf->sad_x4[PIXEL_8x16] = x264_pixel_sad_x4_8x16_cache64_mmx2;
1021 pixf->sad_x4[PIXEL_8x8] = x264_pixel_sad_x4_8x8_cache64_mmx2;
1024 pixf->intra_satd_x3_16x16 = x264_intra_satd_x3_16x16_mmx2;
1025 pixf->intra_sad_x3_16x16 = x264_intra_sad_x3_16x16_mmx2;
1026 pixf->intra_satd_x3_8x16c = x264_intra_satd_x3_8x16c_mmx2;
1027 pixf->intra_sad_x3_8x16c = x264_intra_sad_x3_8x16c_mmx2;
1028 pixf->intra_satd_x3_8x8c = x264_intra_satd_x3_8x8c_mmx2;
1029 pixf->intra_sad_x3_8x8c = x264_intra_sad_x3_8x8c_mmx2;
1030 pixf->intra_sad_x3_8x8 = x264_intra_sad_x3_8x8_mmx2;
1031 pixf->intra_satd_x3_4x4 = x264_intra_satd_x3_4x4_mmx2;
1032 pixf->intra_sad_x3_4x4 = x264_intra_sad_x3_4x4_mmx2;
1035 if( cpu&X264_CPU_SSE2 )
1037 INIT5( ssd, _sse2slow );
1038 INIT2_NAME( sad_aligned, sad, _sse2_aligned );
1039 pixf->var[PIXEL_16x16] = x264_pixel_var_16x16_sse2;
1040 pixf->ssd_nv12_core = x264_pixel_ssd_nv12_core_sse2;
1041 pixf->ssim_4x4x2_core = x264_pixel_ssim_4x4x2_core_sse2;
1042 pixf->ssim_end4 = x264_pixel_ssim_end4_sse2;
1043 pixf->sa8d[PIXEL_16x16] = x264_pixel_sa8d_16x16_sse2;
1044 pixf->sa8d[PIXEL_8x8] = x264_pixel_sa8d_8x8_sse2;
1046 pixf->intra_sa8d_x3_8x8 = x264_intra_sa8d_x3_8x8_sse2;
1048 pixf->var2[PIXEL_8x8] = x264_pixel_var2_8x8_sse2;
1049 pixf->var2[PIXEL_8x16] = x264_pixel_var2_8x16_sse2;
1050 pixf->vsad = x264_pixel_vsad_sse2;
1051 pixf->asd8 = x264_pixel_asd8_sse2;
1054 if( (cpu&X264_CPU_SSE2) && !(cpu&X264_CPU_SSE2_IS_SLOW) )
1056 INIT2( sad, _sse2 );
1057 INIT2( sad_x3, _sse2 );
1058 INIT2( sad_x4, _sse2 );
1059 INIT6( satd, _sse2 );
1060 pixf->satd[PIXEL_4x16] = x264_pixel_satd_4x16_sse2;
1061 INIT6( satd_x3, _sse2 );
1062 INIT6( satd_x4, _sse2 );
1063 if( !(cpu&X264_CPU_STACK_MOD4) )
1065 INIT4( hadamard_ac, _sse2 );
1068 pixf->var[PIXEL_8x8] = x264_pixel_var_8x8_sse2;
1069 pixf->var[PIXEL_8x16] = x264_pixel_var_8x16_sse2;
1070 pixf->intra_sad_x3_16x16 = x264_intra_sad_x3_16x16_sse2;
1071 pixf->intra_satd_x3_8x16c = x264_intra_satd_x3_8x16c_sse2;
1072 pixf->intra_sad_x3_8x16c = x264_intra_sad_x3_8x16c_sse2;
1073 if( cpu&X264_CPU_CACHELINE_64 )
1075 INIT2( ssd, _sse2); /* faster for width 16 on p4 */
1077 INIT2( sad, _cache64_sse2 );
1078 INIT2( sad_x3, _cache64_sse2 );
1079 INIT2( sad_x4, _cache64_sse2 );
1081 if( cpu&X264_CPU_SSE2_IS_FAST )
1083 pixf->sad_x3[PIXEL_8x16] = x264_pixel_sad_x3_8x16_cache64_sse2;
1084 pixf->sad_x4[PIXEL_8x16] = x264_pixel_sad_x4_8x16_cache64_sse2;
1088 if( cpu&X264_CPU_SSE_MISALIGN )
1090 INIT2( sad_x3, _sse2_misalign );
1091 INIT2( sad_x4, _sse2_misalign );
1095 if( cpu&X264_CPU_SSE2_IS_FAST && !(cpu&X264_CPU_CACHELINE_64) )
1097 pixf->sad_aligned[PIXEL_8x16] = x264_pixel_sad_8x16_sse2;
1098 pixf->sad[PIXEL_8x16] = x264_pixel_sad_8x16_sse2;
1099 pixf->sad_x3[PIXEL_8x16] = x264_pixel_sad_x3_8x16_sse2;
1100 pixf->sad_x3[PIXEL_8x8] = x264_pixel_sad_x3_8x8_sse2;
1101 pixf->sad_x3[PIXEL_8x4] = x264_pixel_sad_x3_8x4_sse2;
1102 pixf->sad_x4[PIXEL_8x16] = x264_pixel_sad_x4_8x16_sse2;
1103 pixf->sad_x4[PIXEL_8x8] = x264_pixel_sad_x4_8x8_sse2;
1104 pixf->sad_x4[PIXEL_8x4] = x264_pixel_sad_x4_8x4_sse2;
1107 if( (cpu&X264_CPU_SSE3) && (cpu&X264_CPU_CACHELINE_64) )
1109 INIT2( sad, _sse3 );
1110 INIT2( sad_x3, _sse3 );
1111 INIT2( sad_x4, _sse3 );
1114 if( cpu&X264_CPU_SSSE3 )
1116 if( !(cpu&X264_CPU_STACK_MOD4) )
1118 INIT4( hadamard_ac, _ssse3 );
1119 pixf->intra_sad_x9_4x4 = x264_intra_sad_x9_4x4_ssse3;
1120 pixf->intra_satd_x9_4x4 = x264_intra_satd_x9_4x4_ssse3;
1121 pixf->intra_sad_x9_8x8 = x264_intra_sad_x9_8x8_ssse3;
1123 pixf->intra_sa8d_x9_8x8 = x264_intra_sa8d_x9_8x8_ssse3;
1127 if( !(cpu&X264_CPU_SLOW_ATOM) )
1129 INIT8( ssd, _ssse3 );
1130 pixf->sa8d[PIXEL_16x16]= x264_pixel_sa8d_16x16_ssse3;
1131 pixf->sa8d[PIXEL_8x8] = x264_pixel_sa8d_8x8_ssse3;
1132 INIT8( satd, _ssse3 );
1133 INIT7( satd_x3, _ssse3 );
1134 INIT7( satd_x4, _ssse3 );
1136 pixf->intra_satd_x3_16x16 = x264_intra_satd_x3_16x16_ssse3;
1137 pixf->intra_sad_x3_16x16 = x264_intra_sad_x3_16x16_ssse3;
1138 pixf->intra_satd_x3_8x16c = x264_intra_satd_x3_8x16c_ssse3;
1139 pixf->intra_satd_x3_8x8c = x264_intra_satd_x3_8x8c_ssse3;
1140 pixf->intra_sad_x3_8x8c = x264_intra_sad_x3_8x8c_ssse3;
1141 pixf->var2[PIXEL_8x8] = x264_pixel_var2_8x8_ssse3;
1142 pixf->var2[PIXEL_8x16] = x264_pixel_var2_8x16_ssse3;
1143 pixf->asd8 = x264_pixel_asd8_ssse3;
1144 if( cpu&X264_CPU_CACHELINE_64 )
1146 INIT2( sad, _cache64_ssse3 );
1147 INIT2( sad_x3, _cache64_ssse3 );
1148 INIT2( sad_x4, _cache64_ssse3 );
1150 if( cpu&X264_CPU_SLOW_ATOM || !(cpu&X264_CPU_SHUFFLE_IS_FAST) )
1152 INIT5( ssd, _sse2 ); /* on conroe, sse2 is faster for width8/16 */
1156 if( cpu&X264_CPU_SSE4 )
1158 INIT8( satd, _sse4 );
1159 INIT7( satd_x3, _sse4 );
1160 INIT7( satd_x4, _sse4 );
1161 if( !(cpu&X264_CPU_STACK_MOD4) )
1163 INIT4( hadamard_ac, _sse4 );
1164 pixf->intra_sad_x9_4x4 = x264_intra_sad_x9_4x4_sse4;
1165 pixf->intra_satd_x9_4x4 = x264_intra_satd_x9_4x4_sse4;
1166 pixf->intra_sad_x9_8x8 = x264_intra_sad_x9_8x8_sse4;
1168 pixf->intra_sa8d_x9_8x8 = x264_intra_sa8d_x9_8x8_sse4;
1171 pixf->sa8d[PIXEL_16x16]= x264_pixel_sa8d_16x16_sse4;
1172 pixf->sa8d[PIXEL_8x8] = x264_pixel_sa8d_8x8_sse4;
1173 pixf->intra_satd_x3_8x16c = x264_intra_satd_x3_8x16c_sse4;
1176 if( cpu&X264_CPU_AVX )
1178 INIT8( satd, _avx );
1179 INIT7( satd_x3, _avx );
1180 INIT7( satd_x4, _avx );
1182 if( !(cpu&X264_CPU_STACK_MOD4) )
1184 INIT4( hadamard_ac, _avx );
1185 pixf->intra_sad_x9_4x4 = x264_intra_sad_x9_4x4_avx;
1186 pixf->intra_satd_x9_4x4 = x264_intra_satd_x9_4x4_avx;
1187 pixf->intra_sad_x9_8x8 = x264_intra_sad_x9_8x8_avx;
1189 pixf->intra_sa8d_x9_8x8 = x264_intra_sa8d_x9_8x8_avx;
1193 pixf->sa8d[PIXEL_16x16]= x264_pixel_sa8d_16x16_avx;
1194 pixf->sa8d[PIXEL_8x8] = x264_pixel_sa8d_8x8_avx;
1195 pixf->intra_satd_x3_8x16c = x264_intra_satd_x3_8x16c_avx;
1196 pixf->ssd_nv12_core = x264_pixel_ssd_nv12_core_avx;
1197 pixf->var[PIXEL_16x16] = x264_pixel_var_16x16_avx;
1198 pixf->var[PIXEL_8x16] = x264_pixel_var_8x16_avx;
1199 pixf->var[PIXEL_8x8] = x264_pixel_var_8x8_avx;
1200 pixf->ssim_4x4x2_core = x264_pixel_ssim_4x4x2_core_avx;
1201 pixf->ssim_end4 = x264_pixel_ssim_end4_avx;
1204 if( cpu&X264_CPU_XOP )
1206 INIT7( satd, _xop );
1207 INIT7( satd_x3, _xop );
1208 INIT7( satd_x4, _xop );
1209 if( !(cpu&X264_CPU_STACK_MOD4) )
1211 INIT4( hadamard_ac, _xop );
1212 pixf->intra_satd_x9_4x4 = x264_intra_satd_x9_4x4_xop;
1215 pixf->sa8d[PIXEL_16x16]= x264_pixel_sa8d_16x16_xop;
1216 pixf->sa8d[PIXEL_8x8] = x264_pixel_sa8d_8x8_xop;
1217 pixf->intra_satd_x3_8x16c = x264_intra_satd_x3_8x16c_xop;
1218 pixf->var[PIXEL_16x16] = x264_pixel_var_16x16_xop;
1219 pixf->var[PIXEL_8x16] = x264_pixel_var_8x16_xop;
1220 pixf->var[PIXEL_8x8] = x264_pixel_var_8x8_xop;
1221 pixf->var2[PIXEL_8x8] = x264_pixel_var2_8x8_xop;
1222 pixf->var2[PIXEL_8x16] = x264_pixel_var2_8x16_xop;
1227 if( cpu&X264_CPU_ARMV6 )
1229 pixf->sad[PIXEL_4x8] = x264_pixel_sad_4x8_armv6;
1230 pixf->sad[PIXEL_4x4] = x264_pixel_sad_4x4_armv6;
1231 pixf->sad_aligned[PIXEL_4x8] = x264_pixel_sad_4x8_armv6;
1232 pixf->sad_aligned[PIXEL_4x4] = x264_pixel_sad_4x4_armv6;
1234 if( cpu&X264_CPU_NEON )
1236 INIT5( sad, _neon );
1237 INIT5( sad_aligned, _neon );
1238 INIT7( sad_x3, _neon );
1239 INIT7( sad_x4, _neon );
1240 INIT7( ssd, _neon );
1241 INIT7( satd, _neon );
1242 INIT7( satd_x3, _neon );
1243 INIT7( satd_x4, _neon );
1244 INIT4( hadamard_ac, _neon );
1245 pixf->sa8d[PIXEL_8x8] = x264_pixel_sa8d_8x8_neon;
1246 pixf->sa8d[PIXEL_16x16] = x264_pixel_sa8d_16x16_neon;
1247 pixf->var[PIXEL_8x8] = x264_pixel_var_8x8_neon;
1248 pixf->var[PIXEL_16x16] = x264_pixel_var_16x16_neon;
1249 pixf->var2[PIXEL_8x8] = x264_pixel_var2_8x8_neon;
1251 pixf->ssim_4x4x2_core = x264_pixel_ssim_4x4x2_core_neon;
1252 pixf->ssim_end4 = x264_pixel_ssim_end4_neon;
1254 if( cpu&X264_CPU_FAST_NEON_MRC )
1256 pixf->sad[PIXEL_4x8] = x264_pixel_sad_4x8_neon;
1257 pixf->sad[PIXEL_4x4] = x264_pixel_sad_4x4_neon;
1258 pixf->sad_aligned[PIXEL_4x8] = x264_pixel_sad_aligned_4x8_neon;
1259 pixf->sad_aligned[PIXEL_4x4] = x264_pixel_sad_aligned_4x4_neon;
1261 else // really just scheduled for dual issue / A8
1263 INIT5( sad_aligned, _neon_dual );
1267 #endif // HIGH_BIT_DEPTH
1269 if( cpu&X264_CPU_ALTIVEC )
1271 x264_pixel_altivec_init( pixf );
1277 INIT4( sad_x3, _vis );
1278 INIT4( sad_x4, _vis );
1280 #endif // !HIGH_BIT_DEPTH
1282 pixf->ads[PIXEL_8x16] =
1283 pixf->ads[PIXEL_8x4] =
1284 pixf->ads[PIXEL_4x8] = pixf->ads[PIXEL_16x8];
1285 pixf->ads[PIXEL_4x4] = pixf->ads[PIXEL_8x8];