2 * H.26L/H.264/AVC/JVT/14496-10/... encoder/decoder
3 * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
24 * H.264 / AVC / MPEG4 part10 prediction functions.
25 * @author Michael Niedermayer <michaelni@gmx.at>
29 #include "mpegvideo.h"
33 static void pred4x4_vertical_c(uint8_t *src, const uint8_t *topright, int stride){
34 const uint32_t a= ((uint32_t*)(src-stride))[0];
35 ((uint32_t*)(src+0*stride))[0]= a;
36 ((uint32_t*)(src+1*stride))[0]= a;
37 ((uint32_t*)(src+2*stride))[0]= a;
38 ((uint32_t*)(src+3*stride))[0]= a;
41 static void pred4x4_horizontal_c(uint8_t *src, const uint8_t *topright, int stride){
42 ((uint32_t*)(src+0*stride))[0]= src[-1+0*stride]*0x01010101;
43 ((uint32_t*)(src+1*stride))[0]= src[-1+1*stride]*0x01010101;
44 ((uint32_t*)(src+2*stride))[0]= src[-1+2*stride]*0x01010101;
45 ((uint32_t*)(src+3*stride))[0]= src[-1+3*stride]*0x01010101;
48 static void pred4x4_dc_c(uint8_t *src, const uint8_t *topright, int stride){
49 const int dc= ( src[-stride] + src[1-stride] + src[2-stride] + src[3-stride]
50 + src[-1+0*stride] + src[-1+1*stride] + src[-1+2*stride] + src[-1+3*stride] + 4) >>3;
52 ((uint32_t*)(src+0*stride))[0]=
53 ((uint32_t*)(src+1*stride))[0]=
54 ((uint32_t*)(src+2*stride))[0]=
55 ((uint32_t*)(src+3*stride))[0]= dc* 0x01010101;
58 static void pred4x4_left_dc_c(uint8_t *src, const uint8_t *topright, int stride){
59 const int dc= ( src[-1+0*stride] + src[-1+1*stride] + src[-1+2*stride] + src[-1+3*stride] + 2) >>2;
61 ((uint32_t*)(src+0*stride))[0]=
62 ((uint32_t*)(src+1*stride))[0]=
63 ((uint32_t*)(src+2*stride))[0]=
64 ((uint32_t*)(src+3*stride))[0]= dc* 0x01010101;
67 static void pred4x4_top_dc_c(uint8_t *src, const uint8_t *topright, int stride){
68 const int dc= ( src[-stride] + src[1-stride] + src[2-stride] + src[3-stride] + 2) >>2;
70 ((uint32_t*)(src+0*stride))[0]=
71 ((uint32_t*)(src+1*stride))[0]=
72 ((uint32_t*)(src+2*stride))[0]=
73 ((uint32_t*)(src+3*stride))[0]= dc* 0x01010101;
76 static void pred4x4_128_dc_c(uint8_t *src, const uint8_t *topright, int stride){
77 ((uint32_t*)(src+0*stride))[0]=
78 ((uint32_t*)(src+1*stride))[0]=
79 ((uint32_t*)(src+2*stride))[0]=
80 ((uint32_t*)(src+3*stride))[0]= 128U*0x01010101U;
84 #define LOAD_TOP_RIGHT_EDGE\
85 const int av_unused t4= topright[0];\
86 const int av_unused t5= topright[1];\
87 const int av_unused t6= topright[2];\
88 const int av_unused t7= topright[3];\
90 #define LOAD_DOWN_LEFT_EDGE\
91 const int av_unused l4= src[-1+4*stride];\
92 const int av_unused l5= src[-1+5*stride];\
93 const int av_unused l6= src[-1+6*stride];\
94 const int av_unused l7= src[-1+7*stride];\
96 #define LOAD_LEFT_EDGE\
97 const int av_unused l0= src[-1+0*stride];\
98 const int av_unused l1= src[-1+1*stride];\
99 const int av_unused l2= src[-1+2*stride];\
100 const int av_unused l3= src[-1+3*stride];\
102 #define LOAD_TOP_EDGE\
103 const int av_unused t0= src[ 0-1*stride];\
104 const int av_unused t1= src[ 1-1*stride];\
105 const int av_unused t2= src[ 2-1*stride];\
106 const int av_unused t3= src[ 3-1*stride];\
108 static void pred4x4_vertical_vp8_c(uint8_t *src, const uint8_t *topright, int stride){
109 const int lt= src[-1-1*stride];
112 uint32_t v = PACK_4U8((lt + 2*t0 + t1 + 2) >> 2,
113 (t0 + 2*t1 + t2 + 2) >> 2,
114 (t1 + 2*t2 + t3 + 2) >> 2,
115 (t2 + 2*t3 + t4 + 2) >> 2);
117 AV_WN32A(src+0*stride, v);
118 AV_WN32A(src+1*stride, v);
119 AV_WN32A(src+2*stride, v);
120 AV_WN32A(src+3*stride, v);
123 static void pred4x4_horizontal_vp8_c(uint8_t *src, const uint8_t *topright, int stride){
124 const int lt= src[-1-1*stride];
127 AV_WN32A(src+0*stride, ((lt + 2*l0 + l1 + 2) >> 2)*0x01010101);
128 AV_WN32A(src+1*stride, ((l0 + 2*l1 + l2 + 2) >> 2)*0x01010101);
129 AV_WN32A(src+2*stride, ((l1 + 2*l2 + l3 + 2) >> 2)*0x01010101);
130 AV_WN32A(src+3*stride, ((l2 + 2*l3 + l3 + 2) >> 2)*0x01010101);
133 static void pred4x4_down_right_c(uint8_t *src, const uint8_t *topright, int stride){
134 const int lt= src[-1-1*stride];
138 src[0+3*stride]=(l3 + 2*l2 + l1 + 2)>>2;
140 src[1+3*stride]=(l2 + 2*l1 + l0 + 2)>>2;
143 src[2+3*stride]=(l1 + 2*l0 + lt + 2)>>2;
147 src[3+3*stride]=(l0 + 2*lt + t0 + 2)>>2;
150 src[3+2*stride]=(lt + 2*t0 + t1 + 2)>>2;
152 src[3+1*stride]=(t0 + 2*t1 + t2 + 2)>>2;
153 src[3+0*stride]=(t1 + 2*t2 + t3 + 2)>>2;
156 static void pred4x4_down_left_c(uint8_t *src, const uint8_t *topright, int stride){
161 src[0+0*stride]=(t0 + t2 + 2*t1 + 2)>>2;
163 src[0+1*stride]=(t1 + t3 + 2*t2 + 2)>>2;
166 src[0+2*stride]=(t2 + t4 + 2*t3 + 2)>>2;
170 src[0+3*stride]=(t3 + t5 + 2*t4 + 2)>>2;
173 src[1+3*stride]=(t4 + t6 + 2*t5 + 2)>>2;
175 src[2+3*stride]=(t5 + t7 + 2*t6 + 2)>>2;
176 src[3+3*stride]=(t6 + 3*t7 + 2)>>2;
179 static void pred4x4_down_left_svq3_c(uint8_t *src, const uint8_t *topright, int stride){
182 const av_unused int unu0= t0;
183 const av_unused int unu1= l0;
185 src[0+0*stride]=(l1 + t1)>>1;
187 src[0+1*stride]=(l2 + t2)>>1;
200 src[3+3*stride]=(l3 + t3)>>1;
203 static void pred4x4_down_left_rv40_c(uint8_t *src, const uint8_t *topright, int stride){
209 src[0+0*stride]=(t0 + t2 + 2*t1 + 2 + l0 + l2 + 2*l1 + 2)>>3;
211 src[0+1*stride]=(t1 + t3 + 2*t2 + 2 + l1 + l3 + 2*l2 + 2)>>3;
214 src[0+2*stride]=(t2 + t4 + 2*t3 + 2 + l2 + l4 + 2*l3 + 2)>>3;
218 src[0+3*stride]=(t3 + t5 + 2*t4 + 2 + l3 + l5 + 2*l4 + 2)>>3;
221 src[1+3*stride]=(t4 + t6 + 2*t5 + 2 + l4 + l6 + 2*l5 + 2)>>3;
223 src[2+3*stride]=(t5 + t7 + 2*t6 + 2 + l5 + l7 + 2*l6 + 2)>>3;
224 src[3+3*stride]=(t6 + t7 + 1 + l6 + l7 + 1)>>2;
227 static void pred4x4_down_left_rv40_nodown_c(uint8_t *src, const uint8_t *topright, int stride){
232 src[0+0*stride]=(t0 + t2 + 2*t1 + 2 + l0 + l2 + 2*l1 + 2)>>3;
234 src[0+1*stride]=(t1 + t3 + 2*t2 + 2 + l1 + l3 + 2*l2 + 2)>>3;
237 src[0+2*stride]=(t2 + t4 + 2*t3 + 2 + l2 + 3*l3 + 2)>>3;
241 src[0+3*stride]=(t3 + t5 + 2*t4 + 2 + l3*4 + 2)>>3;
244 src[1+3*stride]=(t4 + t6 + 2*t5 + 2 + l3*4 + 2)>>3;
246 src[2+3*stride]=(t5 + t7 + 2*t6 + 2 + l3*4 + 2)>>3;
247 src[3+3*stride]=(t6 + t7 + 1 + 2*l3 + 1)>>2;
250 static void pred4x4_vertical_right_c(uint8_t *src, const uint8_t *topright, int stride){
251 const int lt= src[-1-1*stride];
256 src[1+2*stride]=(lt + t0 + 1)>>1;
258 src[2+2*stride]=(t0 + t1 + 1)>>1;
260 src[3+2*stride]=(t1 + t2 + 1)>>1;
261 src[3+0*stride]=(t2 + t3 + 1)>>1;
263 src[1+3*stride]=(l0 + 2*lt + t0 + 2)>>2;
265 src[2+3*stride]=(lt + 2*t0 + t1 + 2)>>2;
267 src[3+3*stride]=(t0 + 2*t1 + t2 + 2)>>2;
268 src[3+1*stride]=(t1 + 2*t2 + t3 + 2)>>2;
269 src[0+2*stride]=(lt + 2*l0 + l1 + 2)>>2;
270 src[0+3*stride]=(l0 + 2*l1 + l2 + 2)>>2;
273 static void pred4x4_vertical_left_c(uint8_t *src, const uint8_t *topright, int stride){
277 src[0+0*stride]=(t0 + t1 + 1)>>1;
279 src[0+2*stride]=(t1 + t2 + 1)>>1;
281 src[1+2*stride]=(t2 + t3 + 1)>>1;
283 src[2+2*stride]=(t3 + t4+ 1)>>1;
284 src[3+2*stride]=(t4 + t5+ 1)>>1;
285 src[0+1*stride]=(t0 + 2*t1 + t2 + 2)>>2;
287 src[0+3*stride]=(t1 + 2*t2 + t3 + 2)>>2;
289 src[1+3*stride]=(t2 + 2*t3 + t4 + 2)>>2;
291 src[2+3*stride]=(t3 + 2*t4 + t5 + 2)>>2;
292 src[3+3*stride]=(t4 + 2*t5 + t6 + 2)>>2;
295 static void pred4x4_vertical_left_rv40(uint8_t *src, const uint8_t *topright, int stride,
296 const int l0, const int l1, const int l2, const int l3, const int l4){
300 src[0+0*stride]=(2*t0 + 2*t1 + l1 + 2*l2 + l3 + 4)>>3;
302 src[0+2*stride]=(t1 + t2 + 1)>>1;
304 src[1+2*stride]=(t2 + t3 + 1)>>1;
306 src[2+2*stride]=(t3 + t4+ 1)>>1;
307 src[3+2*stride]=(t4 + t5+ 1)>>1;
308 src[0+1*stride]=(t0 + 2*t1 + t2 + l2 + 2*l3 + l4 + 4)>>3;
310 src[0+3*stride]=(t1 + 2*t2 + t3 + 2)>>2;
312 src[1+3*stride]=(t2 + 2*t3 + t4 + 2)>>2;
314 src[2+3*stride]=(t3 + 2*t4 + t5 + 2)>>2;
315 src[3+3*stride]=(t4 + 2*t5 + t6 + 2)>>2;
318 static void pred4x4_vertical_left_rv40_c(uint8_t *src, const uint8_t *topright, int stride){
322 pred4x4_vertical_left_rv40(src, topright, stride, l0, l1, l2, l3, l4);
325 static void pred4x4_vertical_left_rv40_nodown_c(uint8_t *src, const uint8_t *topright, int stride){
328 pred4x4_vertical_left_rv40(src, topright, stride, l0, l1, l2, l3, l3);
331 static void pred4x4_vertical_left_vp8_c(uint8_t *src, const uint8_t *topright, int stride){
335 src[0+0*stride]=(t0 + t1 + 1)>>1;
337 src[0+2*stride]=(t1 + t2 + 1)>>1;
339 src[1+2*stride]=(t2 + t3 + 1)>>1;
341 src[2+2*stride]=(t3 + t4 + 1)>>1;
342 src[0+1*stride]=(t0 + 2*t1 + t2 + 2)>>2;
344 src[0+3*stride]=(t1 + 2*t2 + t3 + 2)>>2;
346 src[1+3*stride]=(t2 + 2*t3 + t4 + 2)>>2;
348 src[2+3*stride]=(t3 + 2*t4 + t5 + 2)>>2;
349 src[3+2*stride]=(t4 + 2*t5 + t6 + 2)>>2;
350 src[3+3*stride]=(t5 + 2*t6 + t7 + 2)>>2;
353 static void pred4x4_horizontal_up_c(uint8_t *src, const uint8_t *topright, int stride){
356 src[0+0*stride]=(l0 + l1 + 1)>>1;
357 src[1+0*stride]=(l0 + 2*l1 + l2 + 2)>>2;
359 src[0+1*stride]=(l1 + l2 + 1)>>1;
361 src[1+1*stride]=(l1 + 2*l2 + l3 + 2)>>2;
363 src[0+2*stride]=(l2 + l3 + 1)>>1;
365 src[1+2*stride]=(l2 + 2*l3 + l3 + 2)>>2;
374 static void pred4x4_horizontal_up_rv40_c(uint8_t *src, const uint8_t *topright, int stride){
380 src[0+0*stride]=(t1 + 2*t2 + t3 + 2*l0 + 2*l1 + 4)>>3;
381 src[1+0*stride]=(t2 + 2*t3 + t4 + l0 + 2*l1 + l2 + 4)>>3;
383 src[0+1*stride]=(t3 + 2*t4 + t5 + 2*l1 + 2*l2 + 4)>>3;
385 src[1+1*stride]=(t4 + 2*t5 + t6 + l1 + 2*l2 + l3 + 4)>>3;
387 src[0+2*stride]=(t5 + 2*t6 + t7 + 2*l2 + 2*l3 + 4)>>3;
389 src[1+2*stride]=(t6 + 3*t7 + l2 + 3*l3 + 4)>>3;
391 src[1+3*stride]=(l3 + 2*l4 + l5 + 2)>>2;
393 src[2+2*stride]=(t6 + t7 + l3 + l4 + 2)>>2;
394 src[2+3*stride]=(l4 + l5 + 1)>>1;
395 src[3+3*stride]=(l4 + 2*l5 + l6 + 2)>>2;
398 static void pred4x4_horizontal_up_rv40_nodown_c(uint8_t *src, const uint8_t *topright, int stride){
403 src[0+0*stride]=(t1 + 2*t2 + t3 + 2*l0 + 2*l1 + 4)>>3;
404 src[1+0*stride]=(t2 + 2*t3 + t4 + l0 + 2*l1 + l2 + 4)>>3;
406 src[0+1*stride]=(t3 + 2*t4 + t5 + 2*l1 + 2*l2 + 4)>>3;
408 src[1+1*stride]=(t4 + 2*t5 + t6 + l1 + 2*l2 + l3 + 4)>>3;
410 src[0+2*stride]=(t5 + 2*t6 + t7 + 2*l2 + 2*l3 + 4)>>3;
412 src[1+2*stride]=(t6 + 3*t7 + l2 + 3*l3 + 4)>>3;
416 src[2+2*stride]=(t6 + t7 + 2*l3 + 2)>>2;
421 static void pred4x4_horizontal_down_c(uint8_t *src, const uint8_t *topright, int stride){
422 const int lt= src[-1-1*stride];
427 src[2+1*stride]=(lt + l0 + 1)>>1;
429 src[3+1*stride]=(l0 + 2*lt + t0 + 2)>>2;
430 src[2+0*stride]=(lt + 2*t0 + t1 + 2)>>2;
431 src[3+0*stride]=(t0 + 2*t1 + t2 + 2)>>2;
433 src[2+2*stride]=(l0 + l1 + 1)>>1;
435 src[3+2*stride]=(lt + 2*l0 + l1 + 2)>>2;
437 src[2+3*stride]=(l1 + l2+ 1)>>1;
439 src[3+3*stride]=(l0 + 2*l1 + l2 + 2)>>2;
440 src[0+3*stride]=(l2 + l3 + 1)>>1;
441 src[1+3*stride]=(l1 + 2*l2 + l3 + 2)>>2;
444 static void pred4x4_tm_vp8_c(uint8_t *src, const uint8_t *topright, int stride){
445 uint8_t *cm = ff_cropTbl + MAX_NEG_CROP - src[-1-stride];
446 uint8_t *top = src-stride;
449 for (y = 0; y < 4; y++) {
450 uint8_t *cm_in = cm + src[-1];
451 src[0] = cm_in[top[0]];
452 src[1] = cm_in[top[1]];
453 src[2] = cm_in[top[2]];
454 src[3] = cm_in[top[3]];
459 static void pred16x16_vertical_c(uint8_t *src, int stride){
461 const uint32_t a= ((uint32_t*)(src-stride))[0];
462 const uint32_t b= ((uint32_t*)(src-stride))[1];
463 const uint32_t c= ((uint32_t*)(src-stride))[2];
464 const uint32_t d= ((uint32_t*)(src-stride))[3];
467 ((uint32_t*)(src+i*stride))[0]= a;
468 ((uint32_t*)(src+i*stride))[1]= b;
469 ((uint32_t*)(src+i*stride))[2]= c;
470 ((uint32_t*)(src+i*stride))[3]= d;
474 static void pred16x16_horizontal_c(uint8_t *src, int stride){
478 ((uint32_t*)(src+i*stride))[0]=
479 ((uint32_t*)(src+i*stride))[1]=
480 ((uint32_t*)(src+i*stride))[2]=
481 ((uint32_t*)(src+i*stride))[3]= src[-1+i*stride]*0x01010101;
485 static void pred16x16_dc_c(uint8_t *src, int stride){
489 dc+= src[-1+i*stride];
496 dc= 0x01010101*((dc + 16)>>5);
499 ((uint32_t*)(src+i*stride))[0]=
500 ((uint32_t*)(src+i*stride))[1]=
501 ((uint32_t*)(src+i*stride))[2]=
502 ((uint32_t*)(src+i*stride))[3]= dc;
506 static void pred16x16_left_dc_c(uint8_t *src, int stride){
510 dc+= src[-1+i*stride];
513 dc= 0x01010101*((dc + 8)>>4);
516 ((uint32_t*)(src+i*stride))[0]=
517 ((uint32_t*)(src+i*stride))[1]=
518 ((uint32_t*)(src+i*stride))[2]=
519 ((uint32_t*)(src+i*stride))[3]= dc;
523 static void pred16x16_top_dc_c(uint8_t *src, int stride){
529 dc= 0x01010101*((dc + 8)>>4);
532 ((uint32_t*)(src+i*stride))[0]=
533 ((uint32_t*)(src+i*stride))[1]=
534 ((uint32_t*)(src+i*stride))[2]=
535 ((uint32_t*)(src+i*stride))[3]= dc;
539 static void pred16x16_128_dc_c(uint8_t *src, int stride){
543 ((uint32_t*)(src+i*stride))[0]=
544 ((uint32_t*)(src+i*stride))[1]=
545 ((uint32_t*)(src+i*stride))[2]=
546 ((uint32_t*)(src+i*stride))[3]= 0x01010101U*128U;
550 static inline void pred16x16_plane_compat_c(uint8_t *src, int stride, const int svq3, const int rv40){
553 uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
554 const uint8_t * const src0 = src+7-stride;
555 const uint8_t *src1 = src+8*stride-1;
556 const uint8_t *src2 = src1-2*stride; // == src+6*stride-1;
557 int H = src0[1] - src0[-1];
558 int V = src1[0] - src2[ 0];
559 for(k=2; k<=8; ++k) {
560 src1 += stride; src2 -= stride;
561 H += k*(src0[k] - src0[-k]);
562 V += k*(src1[0] - src2[ 0]);
565 H = ( 5*(H/4) ) / 16;
566 V = ( 5*(V/4) ) / 16;
568 /* required for 100% accuracy */
571 H = ( H + (H>>2) ) >> 4;
572 V = ( V + (V>>2) ) >> 4;
578 a = 16*(src1[0] + src2[16] + 1) - 7*(V+H);
579 for(j=16; j>0; --j) {
582 for(i=-16; i<0; i+=4) {
583 src[16+i] = cm[ (b ) >> 5 ];
584 src[17+i] = cm[ (b+ H) >> 5 ];
585 src[18+i] = cm[ (b+2*H) >> 5 ];
586 src[19+i] = cm[ (b+3*H) >> 5 ];
593 static void pred16x16_plane_c(uint8_t *src, int stride){
594 pred16x16_plane_compat_c(src, stride, 0, 0);
597 static void pred16x16_plane_svq3_c(uint8_t *src, int stride){
598 pred16x16_plane_compat_c(src, stride, 1, 0);
601 static void pred16x16_plane_rv40_c(uint8_t *src, int stride){
602 pred16x16_plane_compat_c(src, stride, 0, 1);
605 static void pred16x16_tm_vp8_c(uint8_t *src, int stride){
606 uint8_t *cm = ff_cropTbl + MAX_NEG_CROP - src[-1-stride];
607 uint8_t *top = src-stride;
610 for (y = 0; y < 16; y++) {
611 uint8_t *cm_in = cm + src[-1];
612 src[0] = cm_in[top[0]];
613 src[1] = cm_in[top[1]];
614 src[2] = cm_in[top[2]];
615 src[3] = cm_in[top[3]];
616 src[4] = cm_in[top[4]];
617 src[5] = cm_in[top[5]];
618 src[6] = cm_in[top[6]];
619 src[7] = cm_in[top[7]];
620 src[8] = cm_in[top[8]];
621 src[9] = cm_in[top[9]];
622 src[10] = cm_in[top[10]];
623 src[11] = cm_in[top[11]];
624 src[12] = cm_in[top[12]];
625 src[13] = cm_in[top[13]];
626 src[14] = cm_in[top[14]];
627 src[15] = cm_in[top[15]];
632 static void pred8x8_vertical_c(uint8_t *src, int stride){
634 const uint32_t a= ((uint32_t*)(src-stride))[0];
635 const uint32_t b= ((uint32_t*)(src-stride))[1];
638 ((uint32_t*)(src+i*stride))[0]= a;
639 ((uint32_t*)(src+i*stride))[1]= b;
643 static void pred8x8_horizontal_c(uint8_t *src, int stride){
647 ((uint32_t*)(src+i*stride))[0]=
648 ((uint32_t*)(src+i*stride))[1]= src[-1+i*stride]*0x01010101;
652 static void pred8x8_128_dc_c(uint8_t *src, int stride){
656 ((uint32_t*)(src+i*stride))[0]=
657 ((uint32_t*)(src+i*stride))[1]= 0x01010101U*128U;
661 static void pred8x8_left_dc_c(uint8_t *src, int stride){
667 dc0+= src[-1+i*stride];
668 dc2+= src[-1+(i+4)*stride];
670 dc0= 0x01010101*((dc0 + 2)>>2);
671 dc2= 0x01010101*((dc2 + 2)>>2);
674 ((uint32_t*)(src+i*stride))[0]=
675 ((uint32_t*)(src+i*stride))[1]= dc0;
678 ((uint32_t*)(src+i*stride))[0]=
679 ((uint32_t*)(src+i*stride))[1]= dc2;
683 static void pred8x8_left_dc_rv40_c(uint8_t *src, int stride){
689 dc0+= src[-1+i*stride];
690 dc0= 0x01010101*((dc0 + 4)>>3);
693 ((uint32_t*)(src+i*stride))[0]=
694 ((uint32_t*)(src+i*stride))[1]= dc0;
698 static void pred8x8_top_dc_c(uint8_t *src, int stride){
705 dc1+= src[4+i-stride];
707 dc0= 0x01010101*((dc0 + 2)>>2);
708 dc1= 0x01010101*((dc1 + 2)>>2);
711 ((uint32_t*)(src+i*stride))[0]= dc0;
712 ((uint32_t*)(src+i*stride))[1]= dc1;
715 ((uint32_t*)(src+i*stride))[0]= dc0;
716 ((uint32_t*)(src+i*stride))[1]= dc1;
720 static void pred8x8_top_dc_rv40_c(uint8_t *src, int stride){
727 dc0= 0x01010101*((dc0 + 4)>>3);
730 ((uint32_t*)(src+i*stride))[0]=
731 ((uint32_t*)(src+i*stride))[1]= dc0;
736 static void pred8x8_dc_c(uint8_t *src, int stride){
738 int dc0, dc1, dc2, dc3;
742 dc0+= src[-1+i*stride] + src[i-stride];
743 dc1+= src[4+i-stride];
744 dc2+= src[-1+(i+4)*stride];
746 dc3= 0x01010101*((dc1 + dc2 + 4)>>3);
747 dc0= 0x01010101*((dc0 + 4)>>3);
748 dc1= 0x01010101*((dc1 + 2)>>2);
749 dc2= 0x01010101*((dc2 + 2)>>2);
752 ((uint32_t*)(src+i*stride))[0]= dc0;
753 ((uint32_t*)(src+i*stride))[1]= dc1;
756 ((uint32_t*)(src+i*stride))[0]= dc2;
757 ((uint32_t*)(src+i*stride))[1]= dc3;
761 //the following 4 function should not be optimized!
762 static void pred8x8_mad_cow_dc_l0t(uint8_t *src, int stride){
763 pred8x8_top_dc_c(src, stride);
764 pred4x4_dc_c(src, NULL, stride);
767 static void pred8x8_mad_cow_dc_0lt(uint8_t *src, int stride){
768 pred8x8_dc_c(src, stride);
769 pred4x4_top_dc_c(src, NULL, stride);
772 static void pred8x8_mad_cow_dc_l00(uint8_t *src, int stride){
773 pred8x8_left_dc_c(src, stride);
774 pred4x4_128_dc_c(src + 4*stride , NULL, stride);
775 pred4x4_128_dc_c(src + 4*stride + 4, NULL, stride);
778 static void pred8x8_mad_cow_dc_0l0(uint8_t *src, int stride){
779 pred8x8_left_dc_c(src, stride);
780 pred4x4_128_dc_c(src , NULL, stride);
781 pred4x4_128_dc_c(src + 4, NULL, stride);
784 static void pred8x8_dc_rv40_c(uint8_t *src, int stride){
789 dc0+= src[-1+i*stride] + src[i-stride];
790 dc0+= src[4+i-stride];
791 dc0+= src[-1+(i+4)*stride];
793 dc0= 0x01010101*((dc0 + 8)>>4);
796 ((uint32_t*)(src+i*stride))[0]= dc0;
797 ((uint32_t*)(src+i*stride))[1]= dc0;
800 ((uint32_t*)(src+i*stride))[0]= dc0;
801 ((uint32_t*)(src+i*stride))[1]= dc0;
805 static void pred8x8_plane_c(uint8_t *src, int stride){
808 uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
809 const uint8_t * const src0 = src+3-stride;
810 const uint8_t *src1 = src+4*stride-1;
811 const uint8_t *src2 = src1-2*stride; // == src+2*stride-1;
812 int H = src0[1] - src0[-1];
813 int V = src1[0] - src2[ 0];
814 for(k=2; k<=4; ++k) {
815 src1 += stride; src2 -= stride;
816 H += k*(src0[k] - src0[-k]);
817 V += k*(src1[0] - src2[ 0]);
819 H = ( 17*H+16 ) >> 5;
820 V = ( 17*V+16 ) >> 5;
822 a = 16*(src1[0] + src2[8]+1) - 3*(V+H);
826 src[0] = cm[ (b ) >> 5 ];
827 src[1] = cm[ (b+ H) >> 5 ];
828 src[2] = cm[ (b+2*H) >> 5 ];
829 src[3] = cm[ (b+3*H) >> 5 ];
830 src[4] = cm[ (b+4*H) >> 5 ];
831 src[5] = cm[ (b+5*H) >> 5 ];
832 src[6] = cm[ (b+6*H) >> 5 ];
833 src[7] = cm[ (b+7*H) >> 5 ];
838 static void pred8x8_tm_vp8_c(uint8_t *src, int stride){
839 uint8_t *cm = ff_cropTbl + MAX_NEG_CROP - src[-1-stride];
840 uint8_t *top = src-stride;
843 for (y = 0; y < 8; y++) {
844 uint8_t *cm_in = cm + src[-1];
845 src[0] = cm_in[top[0]];
846 src[1] = cm_in[top[1]];
847 src[2] = cm_in[top[2]];
848 src[3] = cm_in[top[3]];
849 src[4] = cm_in[top[4]];
850 src[5] = cm_in[top[5]];
851 src[6] = cm_in[top[6]];
852 src[7] = cm_in[top[7]];
857 #define SRC(x,y) src[(x)+(y)*stride]
859 const int l##y = (SRC(-1,y-1) + 2*SRC(-1,y) + SRC(-1,y+1) + 2) >> 2;
860 #define PREDICT_8x8_LOAD_LEFT \
861 const int l0 = ((has_topleft ? SRC(-1,-1) : SRC(-1,0)) \
862 + 2*SRC(-1,0) + SRC(-1,1) + 2) >> 2; \
863 PL(1) PL(2) PL(3) PL(4) PL(5) PL(6) \
864 const int l7 av_unused = (SRC(-1,6) + 3*SRC(-1,7) + 2) >> 2
867 const int t##x = (SRC(x-1,-1) + 2*SRC(x,-1) + SRC(x+1,-1) + 2) >> 2;
868 #define PREDICT_8x8_LOAD_TOP \
869 const int t0 = ((has_topleft ? SRC(-1,-1) : SRC(0,-1)) \
870 + 2*SRC(0,-1) + SRC(1,-1) + 2) >> 2; \
871 PT(1) PT(2) PT(3) PT(4) PT(5) PT(6) \
872 const int t7 av_unused = ((has_topright ? SRC(8,-1) : SRC(7,-1)) \
873 + 2*SRC(7,-1) + SRC(6,-1) + 2) >> 2
876 t##x = (SRC(x-1,-1) + 2*SRC(x,-1) + SRC(x+1,-1) + 2) >> 2;
877 #define PREDICT_8x8_LOAD_TOPRIGHT \
878 int t8, t9, t10, t11, t12, t13, t14, t15; \
880 PTR(8) PTR(9) PTR(10) PTR(11) PTR(12) PTR(13) PTR(14) \
881 t15 = (SRC(14,-1) + 3*SRC(15,-1) + 2) >> 2; \
882 } else t8=t9=t10=t11=t12=t13=t14=t15= SRC(7,-1);
884 #define PREDICT_8x8_LOAD_TOPLEFT \
885 const int lt = (SRC(-1,0) + 2*SRC(-1,-1) + SRC(0,-1) + 2) >> 2
887 #define PREDICT_8x8_DC(v) \
889 for( y = 0; y < 8; y++ ) { \
890 ((uint32_t*)src)[0] = \
891 ((uint32_t*)src)[1] = v; \
895 static void pred8x8l_128_dc_c(uint8_t *src, int has_topleft, int has_topright, int stride)
897 PREDICT_8x8_DC(0x80808080);
899 static void pred8x8l_left_dc_c(uint8_t *src, int has_topleft, int has_topright, int stride)
901 PREDICT_8x8_LOAD_LEFT;
902 const uint32_t dc = ((l0+l1+l2+l3+l4+l5+l6+l7+4) >> 3) * 0x01010101;
905 static void pred8x8l_top_dc_c(uint8_t *src, int has_topleft, int has_topright, int stride)
907 PREDICT_8x8_LOAD_TOP;
908 const uint32_t dc = ((t0+t1+t2+t3+t4+t5+t6+t7+4) >> 3) * 0x01010101;
911 static void pred8x8l_dc_c(uint8_t *src, int has_topleft, int has_topright, int stride)
913 PREDICT_8x8_LOAD_LEFT;
914 PREDICT_8x8_LOAD_TOP;
915 const uint32_t dc = ((l0+l1+l2+l3+l4+l5+l6+l7
916 +t0+t1+t2+t3+t4+t5+t6+t7+8) >> 4) * 0x01010101;
919 static void pred8x8l_horizontal_c(uint8_t *src, int has_topleft, int has_topright, int stride)
921 PREDICT_8x8_LOAD_LEFT;
922 #define ROW(y) ((uint32_t*)(src+y*stride))[0] =\
923 ((uint32_t*)(src+y*stride))[1] = 0x01010101 * l##y
924 ROW(0); ROW(1); ROW(2); ROW(3); ROW(4); ROW(5); ROW(6); ROW(7);
927 static void pred8x8l_vertical_c(uint8_t *src, int has_topleft, int has_topright, int stride)
930 PREDICT_8x8_LOAD_TOP;
939 for( y = 1; y < 8; y++ )
940 *(uint64_t*)(src+y*stride) = *(uint64_t*)src;
942 static void pred8x8l_down_left_c(uint8_t *src, int has_topleft, int has_topright, int stride)
944 PREDICT_8x8_LOAD_TOP;
945 PREDICT_8x8_LOAD_TOPRIGHT;
946 SRC(0,0)= (t0 + 2*t1 + t2 + 2) >> 2;
947 SRC(0,1)=SRC(1,0)= (t1 + 2*t2 + t3 + 2) >> 2;
948 SRC(0,2)=SRC(1,1)=SRC(2,0)= (t2 + 2*t3 + t4 + 2) >> 2;
949 SRC(0,3)=SRC(1,2)=SRC(2,1)=SRC(3,0)= (t3 + 2*t4 + t5 + 2) >> 2;
950 SRC(0,4)=SRC(1,3)=SRC(2,2)=SRC(3,1)=SRC(4,0)= (t4 + 2*t5 + t6 + 2) >> 2;
951 SRC(0,5)=SRC(1,4)=SRC(2,3)=SRC(3,2)=SRC(4,1)=SRC(5,0)= (t5 + 2*t6 + t7 + 2) >> 2;
952 SRC(0,6)=SRC(1,5)=SRC(2,4)=SRC(3,3)=SRC(4,2)=SRC(5,1)=SRC(6,0)= (t6 + 2*t7 + t8 + 2) >> 2;
953 SRC(0,7)=SRC(1,6)=SRC(2,5)=SRC(3,4)=SRC(4,3)=SRC(5,2)=SRC(6,1)=SRC(7,0)= (t7 + 2*t8 + t9 + 2) >> 2;
954 SRC(1,7)=SRC(2,6)=SRC(3,5)=SRC(4,4)=SRC(5,3)=SRC(6,2)=SRC(7,1)= (t8 + 2*t9 + t10 + 2) >> 2;
955 SRC(2,7)=SRC(3,6)=SRC(4,5)=SRC(5,4)=SRC(6,3)=SRC(7,2)= (t9 + 2*t10 + t11 + 2) >> 2;
956 SRC(3,7)=SRC(4,6)=SRC(5,5)=SRC(6,4)=SRC(7,3)= (t10 + 2*t11 + t12 + 2) >> 2;
957 SRC(4,7)=SRC(5,6)=SRC(6,5)=SRC(7,4)= (t11 + 2*t12 + t13 + 2) >> 2;
958 SRC(5,7)=SRC(6,6)=SRC(7,5)= (t12 + 2*t13 + t14 + 2) >> 2;
959 SRC(6,7)=SRC(7,6)= (t13 + 2*t14 + t15 + 2) >> 2;
960 SRC(7,7)= (t14 + 3*t15 + 2) >> 2;
962 static void pred8x8l_down_right_c(uint8_t *src, int has_topleft, int has_topright, int stride)
964 PREDICT_8x8_LOAD_TOP;
965 PREDICT_8x8_LOAD_LEFT;
966 PREDICT_8x8_LOAD_TOPLEFT;
967 SRC(0,7)= (l7 + 2*l6 + l5 + 2) >> 2;
968 SRC(0,6)=SRC(1,7)= (l6 + 2*l5 + l4 + 2) >> 2;
969 SRC(0,5)=SRC(1,6)=SRC(2,7)= (l5 + 2*l4 + l3 + 2) >> 2;
970 SRC(0,4)=SRC(1,5)=SRC(2,6)=SRC(3,7)= (l4 + 2*l3 + l2 + 2) >> 2;
971 SRC(0,3)=SRC(1,4)=SRC(2,5)=SRC(3,6)=SRC(4,7)= (l3 + 2*l2 + l1 + 2) >> 2;
972 SRC(0,2)=SRC(1,3)=SRC(2,4)=SRC(3,5)=SRC(4,6)=SRC(5,7)= (l2 + 2*l1 + l0 + 2) >> 2;
973 SRC(0,1)=SRC(1,2)=SRC(2,3)=SRC(3,4)=SRC(4,5)=SRC(5,6)=SRC(6,7)= (l1 + 2*l0 + lt + 2) >> 2;
974 SRC(0,0)=SRC(1,1)=SRC(2,2)=SRC(3,3)=SRC(4,4)=SRC(5,5)=SRC(6,6)=SRC(7,7)= (l0 + 2*lt + t0 + 2) >> 2;
975 SRC(1,0)=SRC(2,1)=SRC(3,2)=SRC(4,3)=SRC(5,4)=SRC(6,5)=SRC(7,6)= (lt + 2*t0 + t1 + 2) >> 2;
976 SRC(2,0)=SRC(3,1)=SRC(4,2)=SRC(5,3)=SRC(6,4)=SRC(7,5)= (t0 + 2*t1 + t2 + 2) >> 2;
977 SRC(3,0)=SRC(4,1)=SRC(5,2)=SRC(6,3)=SRC(7,4)= (t1 + 2*t2 + t3 + 2) >> 2;
978 SRC(4,0)=SRC(5,1)=SRC(6,2)=SRC(7,3)= (t2 + 2*t3 + t4 + 2) >> 2;
979 SRC(5,0)=SRC(6,1)=SRC(7,2)= (t3 + 2*t4 + t5 + 2) >> 2;
980 SRC(6,0)=SRC(7,1)= (t4 + 2*t5 + t6 + 2) >> 2;
981 SRC(7,0)= (t5 + 2*t6 + t7 + 2) >> 2;
984 static void pred8x8l_vertical_right_c(uint8_t *src, int has_topleft, int has_topright, int stride)
986 PREDICT_8x8_LOAD_TOP;
987 PREDICT_8x8_LOAD_LEFT;
988 PREDICT_8x8_LOAD_TOPLEFT;
989 SRC(0,6)= (l5 + 2*l4 + l3 + 2) >> 2;
990 SRC(0,7)= (l6 + 2*l5 + l4 + 2) >> 2;
991 SRC(0,4)=SRC(1,6)= (l3 + 2*l2 + l1 + 2) >> 2;
992 SRC(0,5)=SRC(1,7)= (l4 + 2*l3 + l2 + 2) >> 2;
993 SRC(0,2)=SRC(1,4)=SRC(2,6)= (l1 + 2*l0 + lt + 2) >> 2;
994 SRC(0,3)=SRC(1,5)=SRC(2,7)= (l2 + 2*l1 + l0 + 2) >> 2;
995 SRC(0,1)=SRC(1,3)=SRC(2,5)=SRC(3,7)= (l0 + 2*lt + t0 + 2) >> 2;
996 SRC(0,0)=SRC(1,2)=SRC(2,4)=SRC(3,6)= (lt + t0 + 1) >> 1;
997 SRC(1,1)=SRC(2,3)=SRC(3,5)=SRC(4,7)= (lt + 2*t0 + t1 + 2) >> 2;
998 SRC(1,0)=SRC(2,2)=SRC(3,4)=SRC(4,6)= (t0 + t1 + 1) >> 1;
999 SRC(2,1)=SRC(3,3)=SRC(4,5)=SRC(5,7)= (t0 + 2*t1 + t2 + 2) >> 2;
1000 SRC(2,0)=SRC(3,2)=SRC(4,4)=SRC(5,6)= (t1 + t2 + 1) >> 1;
1001 SRC(3,1)=SRC(4,3)=SRC(5,5)=SRC(6,7)= (t1 + 2*t2 + t3 + 2) >> 2;
1002 SRC(3,0)=SRC(4,2)=SRC(5,4)=SRC(6,6)= (t2 + t3 + 1) >> 1;
1003 SRC(4,1)=SRC(5,3)=SRC(6,5)=SRC(7,7)= (t2 + 2*t3 + t4 + 2) >> 2;
1004 SRC(4,0)=SRC(5,2)=SRC(6,4)=SRC(7,6)= (t3 + t4 + 1) >> 1;
1005 SRC(5,1)=SRC(6,3)=SRC(7,5)= (t3 + 2*t4 + t5 + 2) >> 2;
1006 SRC(5,0)=SRC(6,2)=SRC(7,4)= (t4 + t5 + 1) >> 1;
1007 SRC(6,1)=SRC(7,3)= (t4 + 2*t5 + t6 + 2) >> 2;
1008 SRC(6,0)=SRC(7,2)= (t5 + t6 + 1) >> 1;
1009 SRC(7,1)= (t5 + 2*t6 + t7 + 2) >> 2;
1010 SRC(7,0)= (t6 + t7 + 1) >> 1;
1012 static void pred8x8l_horizontal_down_c(uint8_t *src, int has_topleft, int has_topright, int stride)
1014 PREDICT_8x8_LOAD_TOP;
1015 PREDICT_8x8_LOAD_LEFT;
1016 PREDICT_8x8_LOAD_TOPLEFT;
1017 SRC(0,7)= (l6 + l7 + 1) >> 1;
1018 SRC(1,7)= (l5 + 2*l6 + l7 + 2) >> 2;
1019 SRC(0,6)=SRC(2,7)= (l5 + l6 + 1) >> 1;
1020 SRC(1,6)=SRC(3,7)= (l4 + 2*l5 + l6 + 2) >> 2;
1021 SRC(0,5)=SRC(2,6)=SRC(4,7)= (l4 + l5 + 1) >> 1;
1022 SRC(1,5)=SRC(3,6)=SRC(5,7)= (l3 + 2*l4 + l5 + 2) >> 2;
1023 SRC(0,4)=SRC(2,5)=SRC(4,6)=SRC(6,7)= (l3 + l4 + 1) >> 1;
1024 SRC(1,4)=SRC(3,5)=SRC(5,6)=SRC(7,7)= (l2 + 2*l3 + l4 + 2) >> 2;
1025 SRC(0,3)=SRC(2,4)=SRC(4,5)=SRC(6,6)= (l2 + l3 + 1) >> 1;
1026 SRC(1,3)=SRC(3,4)=SRC(5,5)=SRC(7,6)= (l1 + 2*l2 + l3 + 2) >> 2;
1027 SRC(0,2)=SRC(2,3)=SRC(4,4)=SRC(6,5)= (l1 + l2 + 1) >> 1;
1028 SRC(1,2)=SRC(3,3)=SRC(5,4)=SRC(7,5)= (l0 + 2*l1 + l2 + 2) >> 2;
1029 SRC(0,1)=SRC(2,2)=SRC(4,3)=SRC(6,4)= (l0 + l1 + 1) >> 1;
1030 SRC(1,1)=SRC(3,2)=SRC(5,3)=SRC(7,4)= (lt + 2*l0 + l1 + 2) >> 2;
1031 SRC(0,0)=SRC(2,1)=SRC(4,2)=SRC(6,3)= (lt + l0 + 1) >> 1;
1032 SRC(1,0)=SRC(3,1)=SRC(5,2)=SRC(7,3)= (l0 + 2*lt + t0 + 2) >> 2;
1033 SRC(2,0)=SRC(4,1)=SRC(6,2)= (t1 + 2*t0 + lt + 2) >> 2;
1034 SRC(3,0)=SRC(5,1)=SRC(7,2)= (t2 + 2*t1 + t0 + 2) >> 2;
1035 SRC(4,0)=SRC(6,1)= (t3 + 2*t2 + t1 + 2) >> 2;
1036 SRC(5,0)=SRC(7,1)= (t4 + 2*t3 + t2 + 2) >> 2;
1037 SRC(6,0)= (t5 + 2*t4 + t3 + 2) >> 2;
1038 SRC(7,0)= (t6 + 2*t5 + t4 + 2) >> 2;
1040 static void pred8x8l_vertical_left_c(uint8_t *src, int has_topleft, int has_topright, int stride)
1042 PREDICT_8x8_LOAD_TOP;
1043 PREDICT_8x8_LOAD_TOPRIGHT;
1044 SRC(0,0)= (t0 + t1 + 1) >> 1;
1045 SRC(0,1)= (t0 + 2*t1 + t2 + 2) >> 2;
1046 SRC(0,2)=SRC(1,0)= (t1 + t2 + 1) >> 1;
1047 SRC(0,3)=SRC(1,1)= (t1 + 2*t2 + t3 + 2) >> 2;
1048 SRC(0,4)=SRC(1,2)=SRC(2,0)= (t2 + t3 + 1) >> 1;
1049 SRC(0,5)=SRC(1,3)=SRC(2,1)= (t2 + 2*t3 + t4 + 2) >> 2;
1050 SRC(0,6)=SRC(1,4)=SRC(2,2)=SRC(3,0)= (t3 + t4 + 1) >> 1;
1051 SRC(0,7)=SRC(1,5)=SRC(2,3)=SRC(3,1)= (t3 + 2*t4 + t5 + 2) >> 2;
1052 SRC(1,6)=SRC(2,4)=SRC(3,2)=SRC(4,0)= (t4 + t5 + 1) >> 1;
1053 SRC(1,7)=SRC(2,5)=SRC(3,3)=SRC(4,1)= (t4 + 2*t5 + t6 + 2) >> 2;
1054 SRC(2,6)=SRC(3,4)=SRC(4,2)=SRC(5,0)= (t5 + t6 + 1) >> 1;
1055 SRC(2,7)=SRC(3,5)=SRC(4,3)=SRC(5,1)= (t5 + 2*t6 + t7 + 2) >> 2;
1056 SRC(3,6)=SRC(4,4)=SRC(5,2)=SRC(6,0)= (t6 + t7 + 1) >> 1;
1057 SRC(3,7)=SRC(4,5)=SRC(5,3)=SRC(6,1)= (t6 + 2*t7 + t8 + 2) >> 2;
1058 SRC(4,6)=SRC(5,4)=SRC(6,2)=SRC(7,0)= (t7 + t8 + 1) >> 1;
1059 SRC(4,7)=SRC(5,5)=SRC(6,3)=SRC(7,1)= (t7 + 2*t8 + t9 + 2) >> 2;
1060 SRC(5,6)=SRC(6,4)=SRC(7,2)= (t8 + t9 + 1) >> 1;
1061 SRC(5,7)=SRC(6,5)=SRC(7,3)= (t8 + 2*t9 + t10 + 2) >> 2;
1062 SRC(6,6)=SRC(7,4)= (t9 + t10 + 1) >> 1;
1063 SRC(6,7)=SRC(7,5)= (t9 + 2*t10 + t11 + 2) >> 2;
1064 SRC(7,6)= (t10 + t11 + 1) >> 1;
1065 SRC(7,7)= (t10 + 2*t11 + t12 + 2) >> 2;
1067 static void pred8x8l_horizontal_up_c(uint8_t *src, int has_topleft, int has_topright, int stride)
1069 PREDICT_8x8_LOAD_LEFT;
1070 SRC(0,0)= (l0 + l1 + 1) >> 1;
1071 SRC(1,0)= (l0 + 2*l1 + l2 + 2) >> 2;
1072 SRC(0,1)=SRC(2,0)= (l1 + l2 + 1) >> 1;
1073 SRC(1,1)=SRC(3,0)= (l1 + 2*l2 + l3 + 2) >> 2;
1074 SRC(0,2)=SRC(2,1)=SRC(4,0)= (l2 + l3 + 1) >> 1;
1075 SRC(1,2)=SRC(3,1)=SRC(5,0)= (l2 + 2*l3 + l4 + 2) >> 2;
1076 SRC(0,3)=SRC(2,2)=SRC(4,1)=SRC(6,0)= (l3 + l4 + 1) >> 1;
1077 SRC(1,3)=SRC(3,2)=SRC(5,1)=SRC(7,0)= (l3 + 2*l4 + l5 + 2) >> 2;
1078 SRC(0,4)=SRC(2,3)=SRC(4,2)=SRC(6,1)= (l4 + l5 + 1) >> 1;
1079 SRC(1,4)=SRC(3,3)=SRC(5,2)=SRC(7,1)= (l4 + 2*l5 + l6 + 2) >> 2;
1080 SRC(0,5)=SRC(2,4)=SRC(4,3)=SRC(6,2)= (l5 + l6 + 1) >> 1;
1081 SRC(1,5)=SRC(3,4)=SRC(5,3)=SRC(7,2)= (l5 + 2*l6 + l7 + 2) >> 2;
1082 SRC(0,6)=SRC(2,5)=SRC(4,4)=SRC(6,3)= (l6 + l7 + 1) >> 1;
1083 SRC(1,6)=SRC(3,5)=SRC(5,4)=SRC(7,3)= (l6 + 3*l7 + 2) >> 2;
1084 SRC(0,7)=SRC(1,7)=SRC(2,6)=SRC(2,7)=SRC(3,6)=
1085 SRC(3,7)=SRC(4,5)=SRC(4,6)=SRC(4,7)=SRC(5,5)=
1086 SRC(5,6)=SRC(5,7)=SRC(6,4)=SRC(6,5)=SRC(6,6)=
1087 SRC(6,7)=SRC(7,4)=SRC(7,5)=SRC(7,6)=SRC(7,7)= l7;
1089 #undef PREDICT_8x8_LOAD_LEFT
1090 #undef PREDICT_8x8_LOAD_TOP
1091 #undef PREDICT_8x8_LOAD_TOPLEFT
1092 #undef PREDICT_8x8_LOAD_TOPRIGHT
1093 #undef PREDICT_8x8_DC
1099 static void pred4x4_vertical_add_c(uint8_t *pix, const DCTELEM *block, int stride){
1104 pix[1*stride]= v += block[0];
1105 pix[2*stride]= v += block[4];
1106 pix[3*stride]= v += block[8];
1107 pix[4*stride]= v + block[12];
1113 static void pred4x4_horizontal_add_c(uint8_t *pix, const DCTELEM *block, int stride){
1116 uint8_t v = pix[-1];
1117 pix[0]= v += block[0];
1118 pix[1]= v += block[1];
1119 pix[2]= v += block[2];
1120 pix[3]= v + block[3];
1126 static void pred8x8l_vertical_add_c(uint8_t *pix, const DCTELEM *block, int stride){
1131 pix[1*stride]= v += block[0];
1132 pix[2*stride]= v += block[8];
1133 pix[3*stride]= v += block[16];
1134 pix[4*stride]= v += block[24];
1135 pix[5*stride]= v += block[32];
1136 pix[6*stride]= v += block[40];
1137 pix[7*stride]= v += block[48];
1138 pix[8*stride]= v + block[56];
1144 static void pred8x8l_horizontal_add_c(uint8_t *pix, const DCTELEM *block, int stride){
1147 uint8_t v = pix[-1];
1148 pix[0]= v += block[0];
1149 pix[1]= v += block[1];
1150 pix[2]= v += block[2];
1151 pix[3]= v += block[3];
1152 pix[4]= v += block[4];
1153 pix[5]= v += block[5];
1154 pix[6]= v += block[6];
1155 pix[7]= v + block[7];
1161 static void pred16x16_vertical_add_c(uint8_t *pix, const int *block_offset, const DCTELEM *block, int stride){
1164 pred4x4_vertical_add_c(pix + block_offset[i], block + i*16, stride);
1167 static void pred16x16_horizontal_add_c(uint8_t *pix, const int *block_offset, const DCTELEM *block, int stride){
1170 pred4x4_horizontal_add_c(pix + block_offset[i], block + i*16, stride);
1173 static void pred8x8_vertical_add_c(uint8_t *pix, const int *block_offset, const DCTELEM *block, int stride){
1176 pred4x4_vertical_add_c(pix + block_offset[i], block + i*16, stride);
1179 static void pred8x8_horizontal_add_c(uint8_t *pix, const int *block_offset, const DCTELEM *block, int stride){
1182 pred4x4_horizontal_add_c(pix + block_offset[i], block + i*16, stride);
1187 * Set the intra prediction function pointers.
1189 void ff_h264_pred_init(H264PredContext *h, int codec_id){
1190 // MpegEncContext * const s = &h->s;
1192 if(codec_id != CODEC_ID_RV40){
1193 if(codec_id == CODEC_ID_VP8) {
1194 h->pred4x4[VERT_PRED ]= pred4x4_vertical_vp8_c;
1195 h->pred4x4[HOR_PRED ]= pred4x4_horizontal_vp8_c;
1197 h->pred4x4[VERT_PRED ]= pred4x4_vertical_c;
1198 h->pred4x4[HOR_PRED ]= pred4x4_horizontal_c;
1200 h->pred4x4[DC_PRED ]= pred4x4_dc_c;
1201 if(codec_id == CODEC_ID_SVQ3)
1202 h->pred4x4[DIAG_DOWN_LEFT_PRED ]= pred4x4_down_left_svq3_c;
1204 h->pred4x4[DIAG_DOWN_LEFT_PRED ]= pred4x4_down_left_c;
1205 h->pred4x4[DIAG_DOWN_RIGHT_PRED]= pred4x4_down_right_c;
1206 h->pred4x4[VERT_RIGHT_PRED ]= pred4x4_vertical_right_c;
1207 h->pred4x4[HOR_DOWN_PRED ]= pred4x4_horizontal_down_c;
1208 if (codec_id == CODEC_ID_VP8) {
1209 h->pred4x4[VERT_LEFT_PRED ]= pred4x4_vertical_left_vp8_c;
1211 h->pred4x4[VERT_LEFT_PRED ]= pred4x4_vertical_left_c;
1212 h->pred4x4[HOR_UP_PRED ]= pred4x4_horizontal_up_c;
1213 h->pred4x4[LEFT_DC_PRED ]= pred4x4_left_dc_c;
1214 h->pred4x4[TOP_DC_PRED ]= pred4x4_top_dc_c;
1215 h->pred4x4[DC_128_PRED ]= pred4x4_128_dc_c;
1216 if(codec_id == CODEC_ID_VP8)
1217 h->pred4x4[TM_VP8_PRED ]= pred4x4_tm_vp8_c;
1219 h->pred4x4[VERT_PRED ]= pred4x4_vertical_c;
1220 h->pred4x4[HOR_PRED ]= pred4x4_horizontal_c;
1221 h->pred4x4[DC_PRED ]= pred4x4_dc_c;
1222 h->pred4x4[DIAG_DOWN_LEFT_PRED ]= pred4x4_down_left_rv40_c;
1223 h->pred4x4[DIAG_DOWN_RIGHT_PRED]= pred4x4_down_right_c;
1224 h->pred4x4[VERT_RIGHT_PRED ]= pred4x4_vertical_right_c;
1225 h->pred4x4[HOR_DOWN_PRED ]= pred4x4_horizontal_down_c;
1226 h->pred4x4[VERT_LEFT_PRED ]= pred4x4_vertical_left_rv40_c;
1227 h->pred4x4[HOR_UP_PRED ]= pred4x4_horizontal_up_rv40_c;
1228 h->pred4x4[LEFT_DC_PRED ]= pred4x4_left_dc_c;
1229 h->pred4x4[TOP_DC_PRED ]= pred4x4_top_dc_c;
1230 h->pred4x4[DC_128_PRED ]= pred4x4_128_dc_c;
1231 h->pred4x4[DIAG_DOWN_LEFT_PRED_RV40_NODOWN]= pred4x4_down_left_rv40_nodown_c;
1232 h->pred4x4[HOR_UP_PRED_RV40_NODOWN]= pred4x4_horizontal_up_rv40_nodown_c;
1233 h->pred4x4[VERT_LEFT_PRED_RV40_NODOWN]= pred4x4_vertical_left_rv40_nodown_c;
1236 h->pred8x8l[VERT_PRED ]= pred8x8l_vertical_c;
1237 h->pred8x8l[HOR_PRED ]= pred8x8l_horizontal_c;
1238 h->pred8x8l[DC_PRED ]= pred8x8l_dc_c;
1239 h->pred8x8l[DIAG_DOWN_LEFT_PRED ]= pred8x8l_down_left_c;
1240 h->pred8x8l[DIAG_DOWN_RIGHT_PRED]= pred8x8l_down_right_c;
1241 h->pred8x8l[VERT_RIGHT_PRED ]= pred8x8l_vertical_right_c;
1242 h->pred8x8l[HOR_DOWN_PRED ]= pred8x8l_horizontal_down_c;
1243 h->pred8x8l[VERT_LEFT_PRED ]= pred8x8l_vertical_left_c;
1244 h->pred8x8l[HOR_UP_PRED ]= pred8x8l_horizontal_up_c;
1245 h->pred8x8l[LEFT_DC_PRED ]= pred8x8l_left_dc_c;
1246 h->pred8x8l[TOP_DC_PRED ]= pred8x8l_top_dc_c;
1247 h->pred8x8l[DC_128_PRED ]= pred8x8l_128_dc_c;
1249 h->pred8x8[VERT_PRED8x8 ]= pred8x8_vertical_c;
1250 h->pred8x8[HOR_PRED8x8 ]= pred8x8_horizontal_c;
1251 if (codec_id != CODEC_ID_VP8) {
1252 h->pred8x8[PLANE_PRED8x8]= pred8x8_plane_c;
1254 h->pred8x8[PLANE_PRED8x8]= pred8x8_tm_vp8_c;
1255 if(codec_id != CODEC_ID_RV40 && codec_id != CODEC_ID_VP8){
1256 h->pred8x8[DC_PRED8x8 ]= pred8x8_dc_c;
1257 h->pred8x8[LEFT_DC_PRED8x8]= pred8x8_left_dc_c;
1258 h->pred8x8[TOP_DC_PRED8x8 ]= pred8x8_top_dc_c;
1259 h->pred8x8[ALZHEIMER_DC_L0T_PRED8x8 ]= pred8x8_mad_cow_dc_l0t;
1260 h->pred8x8[ALZHEIMER_DC_0LT_PRED8x8 ]= pred8x8_mad_cow_dc_0lt;
1261 h->pred8x8[ALZHEIMER_DC_L00_PRED8x8 ]= pred8x8_mad_cow_dc_l00;
1262 h->pred8x8[ALZHEIMER_DC_0L0_PRED8x8 ]= pred8x8_mad_cow_dc_0l0;
1264 h->pred8x8[DC_PRED8x8 ]= pred8x8_dc_rv40_c;
1265 h->pred8x8[LEFT_DC_PRED8x8]= pred8x8_left_dc_rv40_c;
1266 h->pred8x8[TOP_DC_PRED8x8 ]= pred8x8_top_dc_rv40_c;
1268 h->pred8x8[DC_128_PRED8x8 ]= pred8x8_128_dc_c;
1270 h->pred16x16[DC_PRED8x8 ]= pred16x16_dc_c;
1271 h->pred16x16[VERT_PRED8x8 ]= pred16x16_vertical_c;
1272 h->pred16x16[HOR_PRED8x8 ]= pred16x16_horizontal_c;
1273 h->pred16x16[PLANE_PRED8x8 ]= pred16x16_plane_c;
1276 h->pred16x16[PLANE_PRED8x8 ]= pred16x16_plane_svq3_c;
1279 h->pred16x16[PLANE_PRED8x8 ]= pred16x16_plane_rv40_c;
1282 h->pred16x16[PLANE_PRED8x8 ]= pred16x16_tm_vp8_c;
1285 h->pred16x16[PLANE_PRED8x8 ]= pred16x16_plane_c;
1287 h->pred16x16[LEFT_DC_PRED8x8]= pred16x16_left_dc_c;
1288 h->pred16x16[TOP_DC_PRED8x8 ]= pred16x16_top_dc_c;
1289 h->pred16x16[DC_128_PRED8x8 ]= pred16x16_128_dc_c;
1291 //special lossless h/v prediction for h264
1292 h->pred4x4_add [VERT_PRED ]= pred4x4_vertical_add_c;
1293 h->pred4x4_add [ HOR_PRED ]= pred4x4_horizontal_add_c;
1294 h->pred8x8l_add [VERT_PRED ]= pred8x8l_vertical_add_c;
1295 h->pred8x8l_add [ HOR_PRED ]= pred8x8l_horizontal_add_c;
1296 h->pred8x8_add [VERT_PRED8x8]= pred8x8_vertical_add_c;
1297 h->pred8x8_add [ HOR_PRED8x8]= pred8x8_horizontal_add_c;
1298 h->pred16x16_add[VERT_PRED8x8]= pred16x16_vertical_add_c;
1299 h->pred16x16_add[ HOR_PRED8x8]= pred16x16_horizontal_add_c;
1301 if (ARCH_ARM) ff_h264_pred_init_arm(h, codec_id);
1302 if (HAVE_MMX) ff_h264_pred_init_x86(h, codec_id);