1 /*****************************************************************************
2 * pixel.c: h264 encoder
3 *****************************************************************************
4 * Copyright (C) 2003-2008 x264 project
6 * Authors: Loren Merritt <lorenm@u.washington.edu>
7 * Laurent Aimar <fenrir@via.ecp.fr>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
22 *****************************************************************************/
27 # include "x86/pixel.h"
30 # include "ppc/pixel.h"
33 # include "arm/pixel.h"
35 #ifdef ARCH_UltraSparc
36 # include "sparc/pixel.h"
40 /****************************************************************************
42 ****************************************************************************/
43 #define PIXEL_SAD_C( name, lx, ly ) \
44 static int name( uint8_t *pix1, int i_stride_pix1, \
45 uint8_t *pix2, int i_stride_pix2 ) \
49 for( y = 0; y < ly; y++ ) \
51 for( x = 0; x < lx; x++ ) \
53 i_sum += abs( pix1[x] - pix2[x] ); \
55 pix1 += i_stride_pix1; \
56 pix2 += i_stride_pix2; \
62 PIXEL_SAD_C( x264_pixel_sad_16x16, 16, 16 )
63 PIXEL_SAD_C( x264_pixel_sad_16x8, 16, 8 )
64 PIXEL_SAD_C( x264_pixel_sad_8x16, 8, 16 )
65 PIXEL_SAD_C( x264_pixel_sad_8x8, 8, 8 )
66 PIXEL_SAD_C( x264_pixel_sad_8x4, 8, 4 )
67 PIXEL_SAD_C( x264_pixel_sad_4x8, 4, 8 )
68 PIXEL_SAD_C( x264_pixel_sad_4x4, 4, 4 )
71 /****************************************************************************
73 ****************************************************************************/
74 #define PIXEL_SSD_C( name, lx, ly ) \
75 static int name( uint8_t *pix1, int i_stride_pix1, \
76 uint8_t *pix2, int i_stride_pix2 ) \
80 for( y = 0; y < ly; y++ ) \
82 for( x = 0; x < lx; x++ ) \
84 int d = pix1[x] - pix2[x]; \
87 pix1 += i_stride_pix1; \
88 pix2 += i_stride_pix2; \
93 PIXEL_SSD_C( x264_pixel_ssd_16x16, 16, 16 )
94 PIXEL_SSD_C( x264_pixel_ssd_16x8, 16, 8 )
95 PIXEL_SSD_C( x264_pixel_ssd_8x16, 8, 16 )
96 PIXEL_SSD_C( x264_pixel_ssd_8x8, 8, 8 )
97 PIXEL_SSD_C( x264_pixel_ssd_8x4, 8, 4 )
98 PIXEL_SSD_C( x264_pixel_ssd_4x8, 4, 8 )
99 PIXEL_SSD_C( x264_pixel_ssd_4x4, 4, 4 )
101 int64_t x264_pixel_ssd_wxh( x264_pixel_function_t *pf, uint8_t *pix1, int i_pix1, uint8_t *pix2, int i_pix2, int i_width, int i_height )
105 int align = !(((intptr_t)pix1 | (intptr_t)pix2 | i_pix1 | i_pix2) & 15);
107 #define SSD(size) i_ssd += pf->ssd[size]( pix1 + y*i_pix1 + x, i_pix1, \
108 pix2 + y*i_pix2 + x, i_pix2 );
109 for( y = 0; y < i_height-15; y += 16 )
113 for( ; x < i_width-15; x += 16 )
115 for( ; x < i_width-7; x += 8 )
119 for( x = 0; x < i_width-7; x += 8 )
123 #define SSD1 { int d = pix1[y*i_pix1+x] - pix2[y*i_pix2+x]; i_ssd += d*d; }
124 if( i_width % 8 != 0 )
126 for( y = 0; y < (i_height & ~7); y++ )
127 for( x = i_width & ~7; x < i_width; x++ )
130 if( i_height % 8 != 0 )
132 for( y = i_height & ~7; y < i_height; y++ )
133 for( x = 0; x < i_width; x++ )
142 /****************************************************************************
144 ****************************************************************************/
145 #define PIXEL_VAR_C( name, w ) \
146 static uint64_t name( uint8_t *pix, int i_stride ) \
148 uint32_t sum = 0, sqr = 0; \
150 for( y = 0; y < w; y++ ) \
152 for( x = 0; x < w; x++ ) \
155 sqr += pix[x] * pix[x]; \
159 return sum + ((uint64_t)sqr << 32); \
162 PIXEL_VAR_C( x264_pixel_var_16x16, 16 )
163 PIXEL_VAR_C( x264_pixel_var_8x8, 8 )
165 /****************************************************************************
167 ****************************************************************************/
168 static int pixel_var2_8x8( uint8_t *pix1, int i_stride1, uint8_t *pix2, int i_stride2, int *ssd )
170 uint32_t var = 0, sum = 0, sqr = 0;
172 for( y = 0; y < 8; y++ )
174 for( x = 0; x < 8; x++ )
176 int diff = pix1[x] - pix2[x];
184 var = sqr - (sum * sum >> 6);
190 #define HADAMARD4(d0,d1,d2,d3,s0,s1,s2,s3) {\
201 // in: a pseudo-simd number of the form x+(y<<16)
202 // return: abs(x)+(abs(y)<<16)
203 static ALWAYS_INLINE uint32_t abs2( uint32_t a )
205 uint32_t s = ((a>>15)&0x10001)*0xffff;
209 /****************************************************************************
210 * pixel_satd_WxH: sum of 4x4 Hadamard transformed differences
211 ****************************************************************************/
213 static NOINLINE int x264_pixel_satd_4x4( uint8_t *pix1, int i_pix1, uint8_t *pix2, int i_pix2 )
216 uint32_t a0,a1,a2,a3,b0,b1;
218 for( i=0; i<4; i++, pix1+=i_pix1, pix2+=i_pix2 )
220 a0 = pix1[0] - pix2[0];
221 a1 = pix1[1] - pix2[1];
222 b0 = (a0+a1) + ((a0-a1)<<16);
223 a2 = pix1[2] - pix2[2];
224 a3 = pix1[3] - pix2[3];
225 b1 = (a2+a3) + ((a2-a3)<<16);
231 HADAMARD4( a0,a1,a2,a3, tmp[0][i], tmp[1][i], tmp[2][i], tmp[3][i] );
232 a0 = abs2(a0) + abs2(a1) + abs2(a2) + abs2(a3);
233 sum += ((uint16_t)a0) + (a0>>16);
238 static NOINLINE int x264_pixel_satd_8x4( uint8_t *pix1, int i_pix1, uint8_t *pix2, int i_pix2 )
241 uint32_t a0,a1,a2,a3;
243 for( i=0; i<4; i++, pix1+=i_pix1, pix2+=i_pix2 )
245 a0 = (pix1[0] - pix2[0]) + ((pix1[4] - pix2[4]) << 16);
246 a1 = (pix1[1] - pix2[1]) + ((pix1[5] - pix2[5]) << 16);
247 a2 = (pix1[2] - pix2[2]) + ((pix1[6] - pix2[6]) << 16);
248 a3 = (pix1[3] - pix2[3]) + ((pix1[7] - pix2[7]) << 16);
249 HADAMARD4( tmp[i][0], tmp[i][1], tmp[i][2], tmp[i][3], a0,a1,a2,a3 );
253 HADAMARD4( a0,a1,a2,a3, tmp[0][i], tmp[1][i], tmp[2][i], tmp[3][i] );
254 sum += abs2(a0) + abs2(a1) + abs2(a2) + abs2(a3);
256 return (((uint16_t)sum) + ((uint32_t)sum>>16)) >> 1;
259 #define PIXEL_SATD_C( w, h, sub )\
260 static int x264_pixel_satd_##w##x##h( uint8_t *pix1, int i_pix1, uint8_t *pix2, int i_pix2 )\
262 int sum = sub( pix1, i_pix1, pix2, i_pix2 )\
263 + sub( pix1+4*i_pix1, i_pix1, pix2+4*i_pix2, i_pix2 );\
265 sum+= sub( pix1+8, i_pix1, pix2+8, i_pix2 )\
266 + sub( pix1+8+4*i_pix1, i_pix1, pix2+8+4*i_pix2, i_pix2 );\
268 sum+= sub( pix1+8*i_pix1, i_pix1, pix2+8*i_pix2, i_pix2 )\
269 + sub( pix1+12*i_pix1, i_pix1, pix2+12*i_pix2, i_pix2 );\
270 if( w==16 && h==16 )\
271 sum+= sub( pix1+8+8*i_pix1, i_pix1, pix2+8+8*i_pix2, i_pix2 )\
272 + sub( pix1+8+12*i_pix1, i_pix1, pix2+8+12*i_pix2, i_pix2 );\
275 PIXEL_SATD_C( 16, 16, x264_pixel_satd_8x4 )
276 PIXEL_SATD_C( 16, 8, x264_pixel_satd_8x4 )
277 PIXEL_SATD_C( 8, 16, x264_pixel_satd_8x4 )
278 PIXEL_SATD_C( 8, 8, x264_pixel_satd_8x4 )
279 PIXEL_SATD_C( 4, 8, x264_pixel_satd_4x4 )
282 static NOINLINE int sa8d_8x8( uint8_t *pix1, int i_pix1, uint8_t *pix2, int i_pix2 )
285 uint32_t a0,a1,a2,a3,a4,a5,a6,a7,b0,b1,b2,b3;
287 for( i=0; i<8; i++, pix1+=i_pix1, pix2+=i_pix2 )
289 a0 = pix1[0] - pix2[0];
290 a1 = pix1[1] - pix2[1];
291 b0 = (a0+a1) + ((a0-a1)<<16);
292 a2 = pix1[2] - pix2[2];
293 a3 = pix1[3] - pix2[3];
294 b1 = (a2+a3) + ((a2-a3)<<16);
295 a4 = pix1[4] - pix2[4];
296 a5 = pix1[5] - pix2[5];
297 b2 = (a4+a5) + ((a4-a5)<<16);
298 a6 = pix1[6] - pix2[6];
299 a7 = pix1[7] - pix2[7];
300 b3 = (a6+a7) + ((a6-a7)<<16);
301 HADAMARD4( tmp[i][0], tmp[i][1], tmp[i][2], tmp[i][3], b0,b1,b2,b3 );
305 HADAMARD4( a0,a1,a2,a3, tmp[0][i], tmp[1][i], tmp[2][i], tmp[3][i] );
306 HADAMARD4( a4,a5,a6,a7, tmp[4][i], tmp[5][i], tmp[6][i], tmp[7][i] );
307 b0 = abs2(a0+a4) + abs2(a0-a4);
308 b0 += abs2(a1+a5) + abs2(a1-a5);
309 b0 += abs2(a2+a6) + abs2(a2-a6);
310 b0 += abs2(a3+a7) + abs2(a3-a7);
311 sum += (uint16_t)b0 + (b0>>16);
316 static int x264_pixel_sa8d_8x8( uint8_t *pix1, int i_pix1, uint8_t *pix2, int i_pix2 )
318 int sum = sa8d_8x8( pix1, i_pix1, pix2, i_pix2 );
322 static int x264_pixel_sa8d_16x16( uint8_t *pix1, int i_pix1, uint8_t *pix2, int i_pix2 )
324 int sum = sa8d_8x8( pix1, i_pix1, pix2, i_pix2 )
325 + sa8d_8x8( pix1+8, i_pix1, pix2+8, i_pix2 )
326 + sa8d_8x8( pix1+8*i_pix1, i_pix1, pix2+8*i_pix2, i_pix2 )
327 + sa8d_8x8( pix1+8+8*i_pix1, i_pix1, pix2+8+8*i_pix2, i_pix2 );
332 static NOINLINE uint64_t pixel_hadamard_ac( uint8_t *pix, int stride )
335 uint32_t a0,a1,a2,a3,dc;
336 int sum4=0, sum8=0, i;
337 for( i=0; i<8; i++, pix+=stride )
339 uint32_t *t = tmp + (i&3) + (i&4)*4;
340 a0 = (pix[0]+pix[1]) + ((pix[0]-pix[1])<<16);
341 a1 = (pix[2]+pix[3]) + ((pix[2]-pix[3])<<16);
344 a2 = (pix[4]+pix[5]) + ((pix[4]-pix[5])<<16);
345 a3 = (pix[6]+pix[7]) + ((pix[6]-pix[7])<<16);
351 HADAMARD4( a0,a1,a2,a3, tmp[i*4+0], tmp[i*4+1], tmp[i*4+2], tmp[i*4+3] );
356 sum4 += abs2(a0) + abs2(a1) + abs2(a2) + abs2(a3);
360 HADAMARD4( a0,a1,a2,a3, tmp[i], tmp[8+i], tmp[16+i], tmp[24+i] );
361 sum8 += abs2(a0) + abs2(a1) + abs2(a2) + abs2(a3);
363 dc = (uint16_t)(tmp[0] + tmp[8] + tmp[16] + tmp[24]);
364 sum4 = (uint16_t)sum4 + ((uint32_t)sum4>>16) - dc;
365 sum8 = (uint16_t)sum8 + ((uint32_t)sum8>>16) - dc;
366 return ((uint64_t)sum8<<32) + sum4;
369 #define HADAMARD_AC(w,h) \
370 static uint64_t x264_pixel_hadamard_ac_##w##x##h( uint8_t *pix, int stride )\
372 uint64_t sum = pixel_hadamard_ac( pix, stride );\
374 sum += pixel_hadamard_ac( pix+8, stride );\
376 sum += pixel_hadamard_ac( pix+8*stride, stride );\
377 if( w==16 && h==16 )\
378 sum += pixel_hadamard_ac( pix+8*stride+8, stride );\
379 return ((sum>>34)<<32) + ((uint32_t)sum>>1);\
381 HADAMARD_AC( 16, 16 )
387 /****************************************************************************
389 ****************************************************************************/
390 #define SAD_X( size ) \
391 static void x264_pixel_sad_x3_##size( uint8_t *fenc, uint8_t *pix0, uint8_t *pix1, uint8_t *pix2, int i_stride, int scores[3] )\
393 scores[0] = x264_pixel_sad_##size( fenc, FENC_STRIDE, pix0, i_stride );\
394 scores[1] = x264_pixel_sad_##size( fenc, FENC_STRIDE, pix1, i_stride );\
395 scores[2] = x264_pixel_sad_##size( fenc, FENC_STRIDE, pix2, i_stride );\
397 static void x264_pixel_sad_x4_##size( uint8_t *fenc, uint8_t *pix0, uint8_t *pix1, uint8_t *pix2, uint8_t *pix3, int i_stride, int scores[4] )\
399 scores[0] = x264_pixel_sad_##size( fenc, FENC_STRIDE, pix0, i_stride );\
400 scores[1] = x264_pixel_sad_##size( fenc, FENC_STRIDE, pix1, i_stride );\
401 scores[2] = x264_pixel_sad_##size( fenc, FENC_STRIDE, pix2, i_stride );\
402 scores[3] = x264_pixel_sad_##size( fenc, FENC_STRIDE, pix3, i_stride );\
413 #ifdef ARCH_UltraSparc
420 /****************************************************************************
422 * no faster than single satd, but needed for satd to be a drop-in replacement for sad
423 ****************************************************************************/
425 #define SATD_X( size, cpu ) \
426 static void x264_pixel_satd_x3_##size##cpu( uint8_t *fenc, uint8_t *pix0, uint8_t *pix1, uint8_t *pix2, int i_stride, int scores[3] )\
428 scores[0] = x264_pixel_satd_##size##cpu( fenc, FENC_STRIDE, pix0, i_stride );\
429 scores[1] = x264_pixel_satd_##size##cpu( fenc, FENC_STRIDE, pix1, i_stride );\
430 scores[2] = x264_pixel_satd_##size##cpu( fenc, FENC_STRIDE, pix2, i_stride );\
432 static void x264_pixel_satd_x4_##size##cpu( uint8_t *fenc, uint8_t *pix0, uint8_t *pix1, uint8_t *pix2, uint8_t *pix3, int i_stride, int scores[4] )\
434 scores[0] = x264_pixel_satd_##size##cpu( fenc, FENC_STRIDE, pix0, i_stride );\
435 scores[1] = x264_pixel_satd_##size##cpu( fenc, FENC_STRIDE, pix1, i_stride );\
436 scores[2] = x264_pixel_satd_##size##cpu( fenc, FENC_STRIDE, pix2, i_stride );\
437 scores[3] = x264_pixel_satd_##size##cpu( fenc, FENC_STRIDE, pix3, i_stride );\
439 #define SATD_X_DECL6( cpu )\
440 SATD_X( 16x16, cpu )\
446 #define SATD_X_DECL7( cpu )\
452 SATD_X_DECL7( _mmxext )
453 SATD_X_DECL6( _sse2 )
454 SATD_X_DECL7( _ssse3 )
455 SATD_X_DECL7( _sse4 )
459 SATD_X_DECL7( _neon )
462 /****************************************************************************
463 * structural similarity metric
464 ****************************************************************************/
465 static void ssim_4x4x2_core( const uint8_t *pix1, int stride1,
466 const uint8_t *pix2, int stride2,
472 uint32_t s1=0, s2=0, ss=0, s12=0;
476 int a = pix1[x+y*stride1];
477 int b = pix2[x+y*stride2];
493 static float ssim_end1( int s1, int s2, int ss, int s12 )
495 static const int ssim_c1 = (int)(.01*.01*255*255*64 + .5);
496 static const int ssim_c2 = (int)(.03*.03*255*255*64*63 + .5);
497 int vars = ss*64 - s1*s1 - s2*s2;
498 int covar = s12*64 - s1*s2;
499 return (float)(2*s1*s2 + ssim_c1) * (float)(2*covar + ssim_c2)\
500 / ((float)(s1*s1 + s2*s2 + ssim_c1) * (float)(vars + ssim_c2));
503 static float ssim_end4( int sum0[5][4], int sum1[5][4], int width )
507 for( i = 0; i < width; i++ )
508 ssim += ssim_end1( sum0[i][0] + sum0[i+1][0] + sum1[i][0] + sum1[i+1][0],
509 sum0[i][1] + sum0[i+1][1] + sum1[i][1] + sum1[i+1][1],
510 sum0[i][2] + sum0[i+1][2] + sum1[i][2] + sum1[i+1][2],
511 sum0[i][3] + sum0[i+1][3] + sum1[i][3] + sum1[i+1][3] );
515 float x264_pixel_ssim_wxh( x264_pixel_function_t *pf,
516 uint8_t *pix1, int stride1,
517 uint8_t *pix2, int stride2,
518 int width, int height, void *buf )
522 int (*sum0)[4] = buf;
523 int (*sum1)[4] = sum0 + width/4+3;
527 for( y = 1; y < height; y++ )
531 XCHG( void*, sum0, sum1 );
532 for( x = 0; x < width; x+=2 )
533 pf->ssim_4x4x2_core( &pix1[4*(x+z*stride1)], stride1, &pix2[4*(x+z*stride2)], stride2, &sum0[x] );
535 for( x = 0; x < width-1; x += 4 )
536 ssim += pf->ssim_end4( sum0+x, sum1+x, X264_MIN(4,width-x-1) );
542 /****************************************************************************
543 * successive elimination
544 ****************************************************************************/
545 static int x264_pixel_ads4( int enc_dc[4], uint16_t *sums, int delta,
546 uint16_t *cost_mvx, int16_t *mvs, int width, int thresh )
549 for( i=0; i<width; i++, sums++ )
551 int ads = abs( enc_dc[0] - sums[0] )
552 + abs( enc_dc[1] - sums[8] )
553 + abs( enc_dc[2] - sums[delta] )
554 + abs( enc_dc[3] - sums[delta+8] )
562 static int x264_pixel_ads2( int enc_dc[2], uint16_t *sums, int delta,
563 uint16_t *cost_mvx, int16_t *mvs, int width, int thresh )
566 for( i=0; i<width; i++, sums++ )
568 int ads = abs( enc_dc[0] - sums[0] )
569 + abs( enc_dc[1] - sums[delta] )
577 static int x264_pixel_ads1( int enc_dc[1], uint16_t *sums, int delta,
578 uint16_t *cost_mvx, int16_t *mvs, int width, int thresh )
581 for( i=0; i<width; i++, sums++ )
583 int ads = abs( enc_dc[0] - sums[0] )
592 /****************************************************************************
594 ****************************************************************************/
595 void x264_pixel_init( int cpu, x264_pixel_function_t *pixf )
597 memset( pixf, 0, sizeof(*pixf) );
599 #define INIT2_NAME( name1, name2, cpu ) \
600 pixf->name1[PIXEL_16x16] = x264_pixel_##name2##_16x16##cpu;\
601 pixf->name1[PIXEL_16x8] = x264_pixel_##name2##_16x8##cpu;
602 #define INIT4_NAME( name1, name2, cpu ) \
603 INIT2_NAME( name1, name2, cpu ) \
604 pixf->name1[PIXEL_8x16] = x264_pixel_##name2##_8x16##cpu;\
605 pixf->name1[PIXEL_8x8] = x264_pixel_##name2##_8x8##cpu;
606 #define INIT5_NAME( name1, name2, cpu ) \
607 INIT4_NAME( name1, name2, cpu ) \
608 pixf->name1[PIXEL_8x4] = x264_pixel_##name2##_8x4##cpu;
609 #define INIT6_NAME( name1, name2, cpu ) \
610 INIT5_NAME( name1, name2, cpu ) \
611 pixf->name1[PIXEL_4x8] = x264_pixel_##name2##_4x8##cpu;
612 #define INIT7_NAME( name1, name2, cpu ) \
613 INIT6_NAME( name1, name2, cpu ) \
614 pixf->name1[PIXEL_4x4] = x264_pixel_##name2##_4x4##cpu;
615 #define INIT2( name, cpu ) INIT2_NAME( name, name, cpu )
616 #define INIT4( name, cpu ) INIT4_NAME( name, name, cpu )
617 #define INIT5( name, cpu ) INIT5_NAME( name, name, cpu )
618 #define INIT6( name, cpu ) INIT6_NAME( name, name, cpu )
619 #define INIT7( name, cpu ) INIT7_NAME( name, name, cpu )
621 #define INIT_ADS( cpu ) \
622 pixf->ads[PIXEL_16x16] = x264_pixel_ads4##cpu;\
623 pixf->ads[PIXEL_16x8] = x264_pixel_ads2##cpu;\
624 pixf->ads[PIXEL_8x8] = x264_pixel_ads1##cpu;
627 INIT7_NAME( sad_aligned, sad, );
634 INIT4( hadamard_ac, );
637 pixf->sa8d[PIXEL_16x16] = x264_pixel_sa8d_16x16;
638 pixf->sa8d[PIXEL_8x8] = x264_pixel_sa8d_8x8;
639 pixf->var[PIXEL_16x16] = x264_pixel_var_16x16;
640 pixf->var[PIXEL_8x8] = x264_pixel_var_8x8;
642 pixf->ssim_4x4x2_core = ssim_4x4x2_core;
643 pixf->ssim_end4 = ssim_end4;
644 pixf->var2_8x8 = pixel_var2_8x8;
647 if( cpu&X264_CPU_MMX )
652 if( cpu&X264_CPU_MMXEXT )
654 INIT7( sad, _mmxext );
655 INIT7_NAME( sad_aligned, sad, _mmxext );
656 INIT7( sad_x3, _mmxext );
657 INIT7( sad_x4, _mmxext );
658 INIT7( satd, _mmxext );
659 INIT7( satd_x3, _mmxext );
660 INIT7( satd_x4, _mmxext );
661 INIT4( hadamard_ac, _mmxext );
663 pixf->var[PIXEL_16x16] = x264_pixel_var_16x16_mmxext;
664 pixf->var[PIXEL_8x8] = x264_pixel_var_8x8_mmxext;
666 pixf->sa8d[PIXEL_16x16] = x264_pixel_sa8d_16x16_mmxext;
667 pixf->sa8d[PIXEL_8x8] = x264_pixel_sa8d_8x8_mmxext;
668 pixf->intra_sa8d_x3_8x8 = x264_intra_sa8d_x3_8x8_mmxext;
669 pixf->ssim_4x4x2_core = x264_pixel_ssim_4x4x2_core_mmxext;
670 pixf->var2_8x8 = x264_pixel_var2_8x8_mmxext;
672 if( cpu&X264_CPU_CACHELINE_32 )
674 INIT5( sad, _cache32_mmxext );
675 INIT4( sad_x3, _cache32_mmxext );
676 INIT4( sad_x4, _cache32_mmxext );
678 else if( cpu&X264_CPU_CACHELINE_64 )
680 INIT5( sad, _cache64_mmxext );
681 INIT4( sad_x3, _cache64_mmxext );
682 INIT4( sad_x4, _cache64_mmxext );
685 if( cpu&X264_CPU_CACHELINE_64 )
687 pixf->sad[PIXEL_8x16] = x264_pixel_sad_8x16_cache64_mmxext;
688 pixf->sad[PIXEL_8x8] = x264_pixel_sad_8x8_cache64_mmxext;
689 pixf->sad[PIXEL_8x4] = x264_pixel_sad_8x4_cache64_mmxext;
690 pixf->sad_x3[PIXEL_8x16] = x264_pixel_sad_x3_8x16_cache64_mmxext;
691 pixf->sad_x3[PIXEL_8x8] = x264_pixel_sad_x3_8x8_cache64_mmxext;
692 pixf->sad_x4[PIXEL_8x16] = x264_pixel_sad_x4_8x16_cache64_mmxext;
693 pixf->sad_x4[PIXEL_8x8] = x264_pixel_sad_x4_8x8_cache64_mmxext;
696 pixf->intra_satd_x3_16x16 = x264_intra_satd_x3_16x16_mmxext;
697 pixf->intra_sad_x3_16x16 = x264_intra_sad_x3_16x16_mmxext;
698 pixf->intra_satd_x3_8x8c = x264_intra_satd_x3_8x8c_mmxext;
699 pixf->intra_sad_x3_8x8c = x264_intra_sad_x3_8x8c_mmxext;
700 pixf->intra_sad_x3_8x8 = x264_intra_sad_x3_8x8_mmxext;
701 pixf->intra_satd_x3_4x4 = x264_intra_satd_x3_4x4_mmxext;
702 pixf->intra_sad_x3_4x4 = x264_intra_sad_x3_4x4_mmxext;
705 if( cpu&X264_CPU_SSE2 )
707 INIT5( ssd, _sse2slow );
708 INIT2_NAME( sad_aligned, sad, _sse2_aligned );
709 pixf->var[PIXEL_16x16] = x264_pixel_var_16x16_sse2;
710 pixf->ssim_4x4x2_core = x264_pixel_ssim_4x4x2_core_sse2;
711 pixf->ssim_end4 = x264_pixel_ssim_end4_sse2;
712 pixf->sa8d[PIXEL_16x16] = x264_pixel_sa8d_16x16_sse2;
713 pixf->sa8d[PIXEL_8x8] = x264_pixel_sa8d_8x8_sse2;
715 pixf->intra_sa8d_x3_8x8 = x264_intra_sa8d_x3_8x8_sse2;
717 pixf->var2_8x8 = x264_pixel_var2_8x8_sse2;
720 if( (cpu&X264_CPU_SSE2) && !(cpu&X264_CPU_SSE2_IS_SLOW) )
723 INIT2( sad_x3, _sse2 );
724 INIT2( sad_x4, _sse2 );
725 INIT6( satd, _sse2 );
726 INIT6( satd_x3, _sse2 );
727 INIT6( satd_x4, _sse2 );
728 if( !(cpu&X264_CPU_STACK_MOD4) )
730 INIT4( hadamard_ac, _sse2 );
733 pixf->var[PIXEL_8x8] = x264_pixel_var_8x8_sse2;
734 pixf->intra_sad_x3_16x16 = x264_intra_sad_x3_16x16_sse2;
735 if( cpu&X264_CPU_CACHELINE_64 )
737 INIT2( ssd, _sse2); /* faster for width 16 on p4 */
739 INIT2( sad, _cache64_sse2 );
740 INIT2( sad_x3, _cache64_sse2 );
741 INIT2( sad_x4, _cache64_sse2 );
743 if( cpu&X264_CPU_SSE2_IS_FAST )
745 pixf->sad_x3[PIXEL_8x16] = x264_pixel_sad_x3_8x16_cache64_sse2;
746 pixf->sad_x4[PIXEL_8x16] = x264_pixel_sad_x4_8x16_cache64_sse2;
750 if( cpu&X264_CPU_SSE_MISALIGN )
752 INIT2( sad_x3, _sse2_misalign );
753 INIT2( sad_x4, _sse2_misalign );
757 if( cpu&X264_CPU_SSE2_IS_FAST && !(cpu&X264_CPU_CACHELINE_64) )
759 pixf->sad_aligned[PIXEL_8x16] = x264_pixel_sad_8x16_sse2;
760 pixf->sad[PIXEL_8x16] = x264_pixel_sad_8x16_sse2;
761 pixf->sad_x3[PIXEL_8x16] = x264_pixel_sad_x3_8x16_sse2;
762 pixf->sad_x3[PIXEL_8x8] = x264_pixel_sad_x3_8x8_sse2;
763 pixf->sad_x3[PIXEL_8x4] = x264_pixel_sad_x3_8x4_sse2;
764 pixf->sad_x4[PIXEL_8x16] = x264_pixel_sad_x4_8x16_sse2;
765 pixf->sad_x4[PIXEL_8x8] = x264_pixel_sad_x4_8x8_sse2;
766 pixf->sad_x4[PIXEL_8x4] = x264_pixel_sad_x4_8x4_sse2;
769 if( (cpu&X264_CPU_SSE3) && (cpu&X264_CPU_CACHELINE_64) )
772 INIT2( sad_x3, _sse3 );
773 INIT2( sad_x4, _sse3 );
776 if( cpu&X264_CPU_SSSE3 )
778 INIT7( ssd, _ssse3 );
779 INIT7( satd, _ssse3 );
780 INIT7( satd_x3, _ssse3 );
781 INIT7( satd_x4, _ssse3 );
782 if( !(cpu&X264_CPU_STACK_MOD4) )
784 INIT4( hadamard_ac, _ssse3 );
787 pixf->sa8d[PIXEL_16x16]= x264_pixel_sa8d_16x16_ssse3;
788 pixf->sa8d[PIXEL_8x8] = x264_pixel_sa8d_8x8_ssse3;
789 pixf->intra_satd_x3_16x16 = x264_intra_satd_x3_16x16_ssse3;
790 pixf->intra_sad_x3_16x16 = x264_intra_sad_x3_16x16_ssse3;
791 pixf->intra_satd_x3_8x8c = x264_intra_satd_x3_8x8c_ssse3;
792 pixf->intra_sad_x3_8x8c = x264_intra_sad_x3_8x8c_ssse3;
793 pixf->intra_satd_x3_4x4 = x264_intra_satd_x3_4x4_ssse3;
795 pixf->intra_sa8d_x3_8x8 = x264_intra_sa8d_x3_8x8_ssse3;
797 pixf->var2_8x8 = x264_pixel_var2_8x8_ssse3;
798 if( cpu&X264_CPU_CACHELINE_64 )
800 INIT2( sad, _cache64_ssse3 );
801 INIT2( sad_x3, _cache64_ssse3 );
802 INIT2( sad_x4, _cache64_ssse3 );
804 if( !(cpu&X264_CPU_SHUFFLE_IS_FAST) )
806 INIT5( ssd, _sse2 ); /* on conroe, sse2 is faster for width8/16 */
810 if( cpu&X264_CPU_SSE4 )
812 INIT7( satd, _sse4 );
813 INIT7( satd_x3, _sse4 );
814 INIT7( satd_x4, _sse4 );
815 if( !(cpu&X264_CPU_STACK_MOD4) )
817 INIT4( hadamard_ac, _sse4 );
819 pixf->sa8d[PIXEL_16x16]= x264_pixel_sa8d_16x16_sse4;
820 pixf->sa8d[PIXEL_8x8] = x264_pixel_sa8d_8x8_sse4;
825 if( cpu&X264_CPU_ARMV6 )
827 pixf->sad[PIXEL_4x8] = x264_pixel_sad_4x8_armv6;
828 pixf->sad[PIXEL_4x4] = x264_pixel_sad_4x4_armv6;
829 pixf->sad_aligned[PIXEL_4x8] = x264_pixel_sad_4x8_armv6;
830 pixf->sad_aligned[PIXEL_4x4] = x264_pixel_sad_4x4_armv6;
832 if( cpu&X264_CPU_NEON )
835 INIT5( sad_aligned, _neon );
836 INIT7( sad_x3, _neon );
837 INIT7( sad_x4, _neon );
839 INIT7( satd, _neon );
840 INIT7( satd_x3, _neon );
841 INIT7( satd_x4, _neon );
842 INIT4( hadamard_ac, _neon );
843 pixf->sa8d[PIXEL_8x8] = x264_pixel_sa8d_8x8_neon;
844 pixf->sa8d[PIXEL_16x16] = x264_pixel_sa8d_16x16_neon;
845 pixf->var[PIXEL_8x8] = x264_pixel_var_8x8_neon;
846 pixf->var[PIXEL_16x16] = x264_pixel_var_16x16_neon;
847 pixf->var2_8x8 = x264_pixel_var2_8x8_neon;
849 pixf->ssim_4x4x2_core = x264_pixel_ssim_4x4x2_core_neon;
850 pixf->ssim_end4 = x264_pixel_ssim_end4_neon;
852 if( cpu&X264_CPU_FAST_NEON_MRC )
854 pixf->sad[PIXEL_4x8] = x264_pixel_sad_4x8_neon;
855 pixf->sad[PIXEL_4x4] = x264_pixel_sad_4x4_neon;
856 pixf->sad_aligned[PIXEL_4x8] = x264_pixel_sad_aligned_4x8_neon;
857 pixf->sad_aligned[PIXEL_4x4] = x264_pixel_sad_aligned_4x4_neon;
859 else // really just scheduled for dual issue / A8
861 INIT5( sad_aligned, _neon_dual );
866 if( cpu&X264_CPU_ALTIVEC )
868 x264_pixel_altivec_init( pixf );
871 #ifdef ARCH_UltraSparc
873 INIT4( sad_x3, _vis );
874 INIT4( sad_x4, _vis );
877 pixf->ads[PIXEL_8x16] =
878 pixf->ads[PIXEL_8x4] =
879 pixf->ads[PIXEL_4x8] = pixf->ads[PIXEL_16x8];
880 pixf->ads[PIXEL_4x4] = pixf->ads[PIXEL_8x8];