1/* 2 * Motion estimation 3 * Copyright (c) 2000,2001 Fabrice Bellard 4 * Copyright (c) 2002-2004 Michael Niedermayer 5 * 6 * new motion estimation (X1/EPZS) by Michael Niedermayer <michaelni@gmx.at> 7 * 8 * This file is part of FFmpeg. 9 * 10 * FFmpeg is free software; you can redistribute it and/or 11 * modify it under the terms of the GNU Lesser General Public 12 * License as published by the Free Software Foundation; either 13 * version 2.1 of the License, or (at your option) any later version. 14 * 15 * FFmpeg 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 GNU 18 * Lesser General Public License for more details. 19 * 20 * You should have received a copy of the GNU Lesser General Public 21 * License along with FFmpeg; if not, write to the Free Software 22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 23 */ 24 25/** 26 * @file 27 * Motion estimation. 28 */ 29 30#include <stdlib.h> 31#include <stdio.h> 32#include <limits.h> 33#include "libavutil/intmath.h" 34#include "avcodec.h" 35#include "dsputil.h" 36#include "mathops.h" 37#include "mpegvideo.h" 38 39#undef NDEBUG 40#include <assert.h> 41 42#define SQ(a) ((a)*(a)) 43 44#define P_LEFT P[1] 45#define P_TOP P[2] 46#define P_TOPRIGHT P[3] 47#define P_MEDIAN P[4] 48#define P_MV1 P[9] 49 50static inline int sad_hpel_motion_search(MpegEncContext * s, 51 int *mx_ptr, int *my_ptr, int dmin, 52 int src_index, int ref_index, 53 int size, int h); 54 55static inline int update_map_generation(MotionEstContext *c) 56{ 57 c->map_generation+= 1<<(ME_MAP_MV_BITS*2); 58 if(c->map_generation==0){ 59 c->map_generation= 1<<(ME_MAP_MV_BITS*2); 60 memset(c->map, 0, sizeof(uint32_t)*ME_MAP_SIZE); 61 } 62 return c->map_generation; 63} 64 65/* shape adaptive search stuff */ 66typedef struct Minima{ 67 int height; 68 int x, y; 69 int checked; 70}Minima; 71 72static int minima_cmp(const void *a, const void *b){ 73 const Minima *da = (const Minima *) a; 74 const Minima *db = (const Minima *) b; 75 76 return da->height - db->height; 77} 78 79#define FLAG_QPEL 1 //must be 1 80#define FLAG_CHROMA 2 81#define FLAG_DIRECT 4 82 83static inline void init_ref(MotionEstContext *c, uint8_t *src[3], uint8_t *ref[3], uint8_t *ref2[3], int x, int y, int ref_index){ 84 const int offset[3]= { 85 y*c-> stride + x, 86 ((y*c->uvstride + x)>>1), 87 ((y*c->uvstride + x)>>1), 88 }; 89 int i; 90 for(i=0; i<3; i++){ 91 c->src[0][i]= src [i] + offset[i]; 92 c->ref[0][i]= ref [i] + offset[i]; 93 } 94 if(ref_index){ 95 for(i=0; i<3; i++){ 96 c->ref[ref_index][i]= ref2[i] + offset[i]; 97 } 98 } 99} 100 101static int get_flags(MotionEstContext *c, int direct, int chroma){ 102 return ((c->avctx->flags&CODEC_FLAG_QPEL) ? FLAG_QPEL : 0) 103 + (direct ? FLAG_DIRECT : 0) 104 + (chroma ? FLAG_CHROMA : 0); 105} 106 107static av_always_inline int cmp_direct_inline(MpegEncContext *s, const int x, const int y, const int subx, const int suby, 108 const int size, const int h, int ref_index, int src_index, 109 me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, int qpel){ 110 MotionEstContext * const c= &s->me; 111 const int stride= c->stride; 112 const int hx= subx + (x<<(1+qpel)); 113 const int hy= suby + (y<<(1+qpel)); 114 uint8_t * const * const ref= c->ref[ref_index]; 115 uint8_t * const * const src= c->src[src_index]; 116 int d; 117 //FIXME check chroma 4mv, (no crashes ...) 118 assert(x >= c->xmin && hx <= c->xmax<<(qpel+1) && y >= c->ymin && hy <= c->ymax<<(qpel+1)); 119 if(x >= c->xmin && hx <= c->xmax<<(qpel+1) && y >= c->ymin && hy <= c->ymax<<(qpel+1)){ 120 const int time_pp= s->pp_time; 121 const int time_pb= s->pb_time; 122 const int mask= 2*qpel+1; 123 if(s->mv_type==MV_TYPE_8X8){ 124 int i; 125 for(i=0; i<4; i++){ 126 int fx = c->direct_basis_mv[i][0] + hx; 127 int fy = c->direct_basis_mv[i][1] + hy; 128 int bx = hx ? fx - c->co_located_mv[i][0] : c->co_located_mv[i][0]*(time_pb - time_pp)/time_pp + ((i &1)<<(qpel+4)); 129 int by = hy ? fy - c->co_located_mv[i][1] : c->co_located_mv[i][1]*(time_pb - time_pp)/time_pp + ((i>>1)<<(qpel+4)); 130 int fxy= (fx&mask) + ((fy&mask)<<(qpel+1)); 131 int bxy= (bx&mask) + ((by&mask)<<(qpel+1)); 132 133 uint8_t *dst= c->temp + 8*(i&1) + 8*stride*(i>>1); 134 if(qpel){ 135 c->qpel_put[1][fxy](dst, ref[0] + (fx>>2) + (fy>>2)*stride, stride); 136 c->qpel_avg[1][bxy](dst, ref[8] + (bx>>2) + (by>>2)*stride, stride); 137 }else{ 138 c->hpel_put[1][fxy](dst, ref[0] + (fx>>1) + (fy>>1)*stride, stride, 8); 139 c->hpel_avg[1][bxy](dst, ref[8] + (bx>>1) + (by>>1)*stride, stride, 8); 140 } 141 } 142 }else{ 143 int fx = c->direct_basis_mv[0][0] + hx; 144 int fy = c->direct_basis_mv[0][1] + hy; 145 int bx = hx ? fx - c->co_located_mv[0][0] : (c->co_located_mv[0][0]*(time_pb - time_pp)/time_pp); 146 int by = hy ? fy - c->co_located_mv[0][1] : (c->co_located_mv[0][1]*(time_pb - time_pp)/time_pp); 147 int fxy= (fx&mask) + ((fy&mask)<<(qpel+1)); 148 int bxy= (bx&mask) + ((by&mask)<<(qpel+1)); 149 150 if(qpel){ 151 c->qpel_put[1][fxy](c->temp , ref[0] + (fx>>2) + (fy>>2)*stride , stride); 152 c->qpel_put[1][fxy](c->temp + 8 , ref[0] + (fx>>2) + (fy>>2)*stride + 8 , stride); 153 c->qpel_put[1][fxy](c->temp + 8*stride, ref[0] + (fx>>2) + (fy>>2)*stride + 8*stride, stride); 154 c->qpel_put[1][fxy](c->temp + 8 + 8*stride, ref[0] + (fx>>2) + (fy>>2)*stride + 8 + 8*stride, stride); 155 c->qpel_avg[1][bxy](c->temp , ref[8] + (bx>>2) + (by>>2)*stride , stride); 156 c->qpel_avg[1][bxy](c->temp + 8 , ref[8] + (bx>>2) + (by>>2)*stride + 8 , stride); 157 c->qpel_avg[1][bxy](c->temp + 8*stride, ref[8] + (bx>>2) + (by>>2)*stride + 8*stride, stride); 158 c->qpel_avg[1][bxy](c->temp + 8 + 8*stride, ref[8] + (bx>>2) + (by>>2)*stride + 8 + 8*stride, stride); 159 }else{ 160 assert((fx>>1) + 16*s->mb_x >= -16); 161 assert((fy>>1) + 16*s->mb_y >= -16); 162 assert((fx>>1) + 16*s->mb_x <= s->width); 163 assert((fy>>1) + 16*s->mb_y <= s->height); 164 assert((bx>>1) + 16*s->mb_x >= -16); 165 assert((by>>1) + 16*s->mb_y >= -16); 166 assert((bx>>1) + 16*s->mb_x <= s->width); 167 assert((by>>1) + 16*s->mb_y <= s->height); 168 169 c->hpel_put[0][fxy](c->temp, ref[0] + (fx>>1) + (fy>>1)*stride, stride, 16); 170 c->hpel_avg[0][bxy](c->temp, ref[8] + (bx>>1) + (by>>1)*stride, stride, 16); 171 } 172 } 173 d = cmp_func(s, c->temp, src[0], stride, 16); 174 }else 175 d= 256*256*256*32; 176 return d; 177} 178 179static av_always_inline int cmp_inline(MpegEncContext *s, const int x, const int y, const int subx, const int suby, 180 const int size, const int h, int ref_index, int src_index, 181 me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, int qpel, int chroma){ 182 MotionEstContext * const c= &s->me; 183 const int stride= c->stride; 184 const int uvstride= c->uvstride; 185 const int dxy= subx + (suby<<(1+qpel)); //FIXME log2_subpel? 186 const int hx= subx + (x<<(1+qpel)); 187 const int hy= suby + (y<<(1+qpel)); 188 uint8_t * const * const ref= c->ref[ref_index]; 189 uint8_t * const * const src= c->src[src_index]; 190 int d; 191 //FIXME check chroma 4mv, (no crashes ...) 192 int uvdxy; /* no, it might not be used uninitialized */ 193 if(dxy){ 194 if(qpel){ 195 c->qpel_put[size][dxy](c->temp, ref[0] + x + y*stride, stride); //FIXME prototype (add h) 196 if(chroma){ 197 int cx= hx/2; 198 int cy= hy/2; 199 cx= (cx>>1)|(cx&1); 200 cy= (cy>>1)|(cy&1); 201 uvdxy= (cx&1) + 2*(cy&1); 202 //FIXME x/y wrong, but mpeg4 qpel is sick anyway, we should drop as much of it as possible in favor for h264 203 } 204 }else{ 205 c->hpel_put[size][dxy](c->temp, ref[0] + x + y*stride, stride, h); 206 if(chroma) 207 uvdxy= dxy | (x&1) | (2*(y&1)); 208 } 209 d = cmp_func(s, c->temp, src[0], stride, h); 210 }else{ 211 d = cmp_func(s, src[0], ref[0] + x + y*stride, stride, h); 212 if(chroma) 213 uvdxy= (x&1) + 2*(y&1); 214 } 215 if(chroma){ 216 uint8_t * const uvtemp= c->temp + 16*stride; 217 c->hpel_put[size+1][uvdxy](uvtemp , ref[1] + (x>>1) + (y>>1)*uvstride, uvstride, h>>1); 218 c->hpel_put[size+1][uvdxy](uvtemp+8, ref[2] + (x>>1) + (y>>1)*uvstride, uvstride, h>>1); 219 d += chroma_cmp_func(s, uvtemp , src[1], uvstride, h>>1); 220 d += chroma_cmp_func(s, uvtemp+8, src[2], uvstride, h>>1); 221 } 222 return d; 223} 224 225static int cmp_simple(MpegEncContext *s, const int x, const int y, 226 int ref_index, int src_index, 227 me_cmp_func cmp_func, me_cmp_func chroma_cmp_func){ 228 return cmp_inline(s,x,y,0,0,0,16,ref_index,src_index, cmp_func, chroma_cmp_func, 0, 0); 229} 230 231static int cmp_fpel_internal(MpegEncContext *s, const int x, const int y, 232 const int size, const int h, int ref_index, int src_index, 233 me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags){ 234 if(flags&FLAG_DIRECT){ 235 return cmp_direct_inline(s,x,y,0,0,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, flags&FLAG_QPEL); 236 }else{ 237 return cmp_inline(s,x,y,0,0,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, 0, flags&FLAG_CHROMA); 238 } 239} 240 241static int cmp_internal(MpegEncContext *s, const int x, const int y, const int subx, const int suby, 242 const int size, const int h, int ref_index, int src_index, 243 me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags){ 244 if(flags&FLAG_DIRECT){ 245 return cmp_direct_inline(s,x,y,subx,suby,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, flags&FLAG_QPEL); 246 }else{ 247 return cmp_inline(s,x,y,subx,suby,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, flags&FLAG_QPEL, flags&FLAG_CHROMA); 248 } 249} 250 251/*! \brief compares a block (either a full macroblock or a partition thereof) 252 against a proposed motion-compensated prediction of that block 253 */ 254static av_always_inline int cmp(MpegEncContext *s, const int x, const int y, const int subx, const int suby, 255 const int size, const int h, int ref_index, int src_index, 256 me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags){ 257 if(av_builtin_constant_p(flags) && av_builtin_constant_p(h) && av_builtin_constant_p(size) 258 && av_builtin_constant_p(subx) && av_builtin_constant_p(suby) 259 && flags==0 && h==16 && size==0 && subx==0 && suby==0){ 260 return cmp_simple(s,x,y,ref_index,src_index, cmp_func, chroma_cmp_func); 261 }else if(av_builtin_constant_p(subx) && av_builtin_constant_p(suby) 262 && subx==0 && suby==0){ 263 return cmp_fpel_internal(s,x,y,size,h,ref_index,src_index, cmp_func, chroma_cmp_func,flags); 264 }else{ 265 return cmp_internal(s,x,y,subx,suby,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, flags); 266 } 267} 268 269static int cmp_hpel(MpegEncContext *s, const int x, const int y, const int subx, const int suby, 270 const int size, const int h, int ref_index, int src_index, 271 me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags){ 272 if(flags&FLAG_DIRECT){ 273 return cmp_direct_inline(s,x,y,subx,suby,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, 0); 274 }else{ 275 return cmp_inline(s,x,y,subx,suby,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, 0, flags&FLAG_CHROMA); 276 } 277} 278 279static int cmp_qpel(MpegEncContext *s, const int x, const int y, const int subx, const int suby, 280 const int size, const int h, int ref_index, int src_index, 281 me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags){ 282 if(flags&FLAG_DIRECT){ 283 return cmp_direct_inline(s,x,y,subx,suby,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, 1); 284 }else{ 285 return cmp_inline(s,x,y,subx,suby,size,h,ref_index,src_index, cmp_func, chroma_cmp_func, 1, flags&FLAG_CHROMA); 286 } 287} 288 289#include "motion_est_template.c" 290 291static int zero_cmp(void *s, uint8_t *a, uint8_t *b, int stride, int h){ 292 return 0; 293} 294 295static void zero_hpel(uint8_t *a, const uint8_t *b, int stride, int h){ 296} 297 298int ff_init_me(MpegEncContext *s){ 299 MotionEstContext * const c= &s->me; 300 int cache_size= FFMIN(ME_MAP_SIZE>>ME_MAP_SHIFT, 1<<ME_MAP_SHIFT); 301 int dia_size= FFMAX(FFABS(s->avctx->dia_size)&255, FFABS(s->avctx->pre_dia_size)&255); 302 303 if(FFMIN(s->avctx->dia_size, s->avctx->pre_dia_size) < -ME_MAP_SIZE){ 304 av_log(s->avctx, AV_LOG_ERROR, "ME_MAP size is too small for SAB diamond\n"); 305 return -1; 306 } 307 //special case of snow is needed because snow uses its own iterative ME code 308 if(s->me_method!=ME_ZERO && s->me_method!=ME_EPZS && s->me_method!=ME_X1 && s->avctx->codec_id != CODEC_ID_SNOW){ 309 av_log(s->avctx, AV_LOG_ERROR, "me_method is only allowed to be set to zero and epzs; for hex,umh,full and others see dia_size\n"); 310 return -1; 311 } 312 313 c->avctx= s->avctx; 314 315 if(cache_size < 2*dia_size && !c->stride){ 316 av_log(s->avctx, AV_LOG_INFO, "ME_MAP size may be a little small for the selected diamond size\n"); 317 } 318 319 ff_set_cmp(&s->dsp, s->dsp.me_pre_cmp, c->avctx->me_pre_cmp); 320 ff_set_cmp(&s->dsp, s->dsp.me_cmp, c->avctx->me_cmp); 321 ff_set_cmp(&s->dsp, s->dsp.me_sub_cmp, c->avctx->me_sub_cmp); 322 ff_set_cmp(&s->dsp, s->dsp.mb_cmp, c->avctx->mb_cmp); 323 324 c->flags = get_flags(c, 0, c->avctx->me_cmp &FF_CMP_CHROMA); 325 c->sub_flags= get_flags(c, 0, c->avctx->me_sub_cmp&FF_CMP_CHROMA); 326 c->mb_flags = get_flags(c, 0, c->avctx->mb_cmp &FF_CMP_CHROMA); 327 328/*FIXME s->no_rounding b_type*/ 329 if(s->flags&CODEC_FLAG_QPEL){ 330 c->sub_motion_search= qpel_motion_search; 331 c->qpel_avg= s->dsp.avg_qpel_pixels_tab; 332 if(s->no_rounding) c->qpel_put= s->dsp.put_no_rnd_qpel_pixels_tab; 333 else c->qpel_put= s->dsp.put_qpel_pixels_tab; 334 }else{ 335 if(c->avctx->me_sub_cmp&FF_CMP_CHROMA) 336 c->sub_motion_search= hpel_motion_search; 337 else if( c->avctx->me_sub_cmp == FF_CMP_SAD 338 && c->avctx-> me_cmp == FF_CMP_SAD 339 && c->avctx-> mb_cmp == FF_CMP_SAD) 340 c->sub_motion_search= sad_hpel_motion_search; // 2050 vs. 2450 cycles 341 else 342 c->sub_motion_search= hpel_motion_search; 343 } 344 c->hpel_avg= s->dsp.avg_pixels_tab; 345 if(s->no_rounding) c->hpel_put= s->dsp.put_no_rnd_pixels_tab; 346 else c->hpel_put= s->dsp.put_pixels_tab; 347 348 if(s->linesize){ 349 c->stride = s->linesize; 350 c->uvstride= s->uvlinesize; 351 }else{ 352 c->stride = 16*s->mb_width + 32; 353 c->uvstride= 8*s->mb_width + 16; 354 } 355 356 /* 8x8 fullpel search would need a 4x4 chroma compare, which we do 357 * not have yet, and even if we had, the motion estimation code 358 * does not expect it. */ 359 if(s->codec_id != CODEC_ID_SNOW){ 360 if((c->avctx->me_cmp&FF_CMP_CHROMA)/* && !s->dsp.me_cmp[2]*/){ 361 s->dsp.me_cmp[2]= zero_cmp; 362 } 363 if((c->avctx->me_sub_cmp&FF_CMP_CHROMA) && !s->dsp.me_sub_cmp[2]){ 364 s->dsp.me_sub_cmp[2]= zero_cmp; 365 } 366 c->hpel_put[2][0]= c->hpel_put[2][1]= 367 c->hpel_put[2][2]= c->hpel_put[2][3]= zero_hpel; 368 } 369 370 if(s->codec_id == CODEC_ID_H261){ 371 c->sub_motion_search= no_sub_motion_search; 372 } 373 374 return 0; 375} 376 377#if 0 378static int pix_dev(uint8_t * pix, int line_size, int mean) 379{ 380 int s, i, j; 381 382 s = 0; 383 for (i = 0; i < 16; i++) { 384 for (j = 0; j < 16; j += 8) { 385 s += FFABS(pix[0]-mean); 386 s += FFABS(pix[1]-mean); 387 s += FFABS(pix[2]-mean); 388 s += FFABS(pix[3]-mean); 389 s += FFABS(pix[4]-mean); 390 s += FFABS(pix[5]-mean); 391 s += FFABS(pix[6]-mean); 392 s += FFABS(pix[7]-mean); 393 pix += 8; 394 } 395 pix += line_size - 16; 396 } 397 return s; 398} 399#endif 400 401static inline void no_motion_search(MpegEncContext * s, 402 int *mx_ptr, int *my_ptr) 403{ 404 *mx_ptr = 16 * s->mb_x; 405 *my_ptr = 16 * s->mb_y; 406} 407 408#define Z_THRESHOLD 256 409 410#define CHECK_SAD_HALF_MV(suffix, x, y) \ 411{\ 412 d= s->dsp.pix_abs[size][(x?1:0)+(y?2:0)](NULL, pix, ptr+((x)>>1), stride, h);\ 413 d += (mv_penalty[pen_x + x] + mv_penalty[pen_y + y])*penalty_factor;\ 414 COPY3_IF_LT(dminh, d, dx, x, dy, y)\ 415} 416 417static inline int sad_hpel_motion_search(MpegEncContext * s, 418 int *mx_ptr, int *my_ptr, int dmin, 419 int src_index, int ref_index, 420 int size, int h) 421{ 422 MotionEstContext * const c= &s->me; 423 const int penalty_factor= c->sub_penalty_factor; 424 int mx, my, dminh; 425 uint8_t *pix, *ptr; 426 int stride= c->stride; 427 const int flags= c->sub_flags; 428 LOAD_COMMON 429 430 assert(flags == 0); 431 432 if(c->skip){ 433// printf("S"); 434 *mx_ptr = 0; 435 *my_ptr = 0; 436 return dmin; 437 } 438// printf("N"); 439 440 pix = c->src[src_index][0]; 441 442 mx = *mx_ptr; 443 my = *my_ptr; 444 ptr = c->ref[ref_index][0] + (my * stride) + mx; 445 446 dminh = dmin; 447 448 if (mx > xmin && mx < xmax && 449 my > ymin && my < ymax) { 450 int dx=0, dy=0; 451 int d, pen_x, pen_y; 452 const int index= (my<<ME_MAP_SHIFT) + mx; 453 const int t= score_map[(index-(1<<ME_MAP_SHIFT))&(ME_MAP_SIZE-1)]; 454 const int l= score_map[(index- 1 )&(ME_MAP_SIZE-1)]; 455 const int r= score_map[(index+ 1 )&(ME_MAP_SIZE-1)]; 456 const int b= score_map[(index+(1<<ME_MAP_SHIFT))&(ME_MAP_SIZE-1)]; 457 mx<<=1; 458 my<<=1; 459 460 461 pen_x= pred_x + mx; 462 pen_y= pred_y + my; 463 464 ptr-= stride; 465 if(t<=b){ 466 CHECK_SAD_HALF_MV(y2 , 0, -1) 467 if(l<=r){ 468 CHECK_SAD_HALF_MV(xy2, -1, -1) 469 if(t+r<=b+l){ 470 CHECK_SAD_HALF_MV(xy2, +1, -1) 471 ptr+= stride; 472 }else{ 473 ptr+= stride; 474 CHECK_SAD_HALF_MV(xy2, -1, +1) 475 } 476 CHECK_SAD_HALF_MV(x2 , -1, 0) 477 }else{ 478 CHECK_SAD_HALF_MV(xy2, +1, -1) 479 if(t+l<=b+r){ 480 CHECK_SAD_HALF_MV(xy2, -1, -1) 481 ptr+= stride; 482 }else{ 483 ptr+= stride; 484 CHECK_SAD_HALF_MV(xy2, +1, +1) 485 } 486 CHECK_SAD_HALF_MV(x2 , +1, 0) 487 } 488 }else{ 489 if(l<=r){ 490 if(t+l<=b+r){ 491 CHECK_SAD_HALF_MV(xy2, -1, -1) 492 ptr+= stride; 493 }else{ 494 ptr+= stride; 495 CHECK_SAD_HALF_MV(xy2, +1, +1) 496 } 497 CHECK_SAD_HALF_MV(x2 , -1, 0) 498 CHECK_SAD_HALF_MV(xy2, -1, +1) 499 }else{ 500 if(t+r<=b+l){ 501 CHECK_SAD_HALF_MV(xy2, +1, -1) 502 ptr+= stride; 503 }else{ 504 ptr+= stride; 505 CHECK_SAD_HALF_MV(xy2, -1, +1) 506 } 507 CHECK_SAD_HALF_MV(x2 , +1, 0) 508 CHECK_SAD_HALF_MV(xy2, +1, +1) 509 } 510 CHECK_SAD_HALF_MV(y2 , 0, +1) 511 } 512 mx+=dx; 513 my+=dy; 514 515 }else{ 516 mx<<=1; 517 my<<=1; 518 } 519 520 *mx_ptr = mx; 521 *my_ptr = my; 522 return dminh; 523} 524 525static inline void set_p_mv_tables(MpegEncContext * s, int mx, int my, int mv4) 526{ 527 const int xy= s->mb_x + s->mb_y*s->mb_stride; 528 529 s->p_mv_table[xy][0] = mx; 530 s->p_mv_table[xy][1] = my; 531 532 /* has already been set to the 4 MV if 4MV is done */ 533 if(mv4){ 534 int mot_xy= s->block_index[0]; 535 536 s->current_picture.motion_val[0][mot_xy ][0]= mx; 537 s->current_picture.motion_val[0][mot_xy ][1]= my; 538 s->current_picture.motion_val[0][mot_xy+1][0]= mx; 539 s->current_picture.motion_val[0][mot_xy+1][1]= my; 540 541 mot_xy += s->b8_stride; 542 s->current_picture.motion_val[0][mot_xy ][0]= mx; 543 s->current_picture.motion_val[0][mot_xy ][1]= my; 544 s->current_picture.motion_val[0][mot_xy+1][0]= mx; 545 s->current_picture.motion_val[0][mot_xy+1][1]= my; 546 } 547} 548 549/** 550 * get fullpel ME search limits. 551 */ 552static inline void get_limits(MpegEncContext *s, int x, int y) 553{ 554 MotionEstContext * const c= &s->me; 555 int range= c->avctx->me_range >> (1 + !!(c->flags&FLAG_QPEL)); 556/* 557 if(c->avctx->me_range) c->range= c->avctx->me_range >> 1; 558 else c->range= 16; 559*/ 560 if (s->unrestricted_mv) { 561 c->xmin = - x - 16; 562 c->ymin = - y - 16; 563 c->xmax = - x + s->mb_width *16; 564 c->ymax = - y + s->mb_height*16; 565 } else if (s->out_format == FMT_H261){ 566 // Search range of H261 is different from other codec standards 567 c->xmin = (x > 15) ? - 15 : 0; 568 c->ymin = (y > 15) ? - 15 : 0; 569 c->xmax = (x < s->mb_width * 16 - 16) ? 15 : 0; 570 c->ymax = (y < s->mb_height * 16 - 16) ? 15 : 0; 571 } else { 572 c->xmin = - x; 573 c->ymin = - y; 574 c->xmax = - x + s->mb_width *16 - 16; 575 c->ymax = - y + s->mb_height*16 - 16; 576 } 577 if(range){ 578 c->xmin = FFMAX(c->xmin,-range); 579 c->xmax = FFMIN(c->xmax, range); 580 c->ymin = FFMAX(c->ymin,-range); 581 c->ymax = FFMIN(c->ymax, range); 582 } 583} 584 585static inline void init_mv4_ref(MotionEstContext *c){ 586 const int stride= c->stride; 587 588 c->ref[1][0] = c->ref[0][0] + 8; 589 c->ref[2][0] = c->ref[0][0] + 8*stride; 590 c->ref[3][0] = c->ref[2][0] + 8; 591 c->src[1][0] = c->src[0][0] + 8; 592 c->src[2][0] = c->src[0][0] + 8*stride; 593 c->src[3][0] = c->src[2][0] + 8; 594} 595 596static inline int h263_mv4_search(MpegEncContext *s, int mx, int my, int shift) 597{ 598 MotionEstContext * const c= &s->me; 599 const int size= 1; 600 const int h=8; 601 int block; 602 int P[10][2]; 603 int dmin_sum=0, mx4_sum=0, my4_sum=0; 604 int same=1; 605 const int stride= c->stride; 606 uint8_t *mv_penalty= c->current_mv_penalty; 607 608 init_mv4_ref(c); 609 610 for(block=0; block<4; block++){ 611 int mx4, my4; 612 int pred_x4, pred_y4; 613 int dmin4; 614 static const int off[4]= {2, 1, 1, -1}; 615 const int mot_stride = s->b8_stride; 616 const int mot_xy = s->block_index[block]; 617 618 P_LEFT[0] = s->current_picture.motion_val[0][mot_xy - 1][0]; 619 P_LEFT[1] = s->current_picture.motion_val[0][mot_xy - 1][1]; 620 621 if(P_LEFT[0] > (c->xmax<<shift)) P_LEFT[0] = (c->xmax<<shift); 622 623 /* special case for first line */ 624 if (s->first_slice_line && block<2) { 625 c->pred_x= pred_x4= P_LEFT[0]; 626 c->pred_y= pred_y4= P_LEFT[1]; 627 } else { 628 P_TOP[0] = s->current_picture.motion_val[0][mot_xy - mot_stride ][0]; 629 P_TOP[1] = s->current_picture.motion_val[0][mot_xy - mot_stride ][1]; 630 P_TOPRIGHT[0] = s->current_picture.motion_val[0][mot_xy - mot_stride + off[block]][0]; 631 P_TOPRIGHT[1] = s->current_picture.motion_val[0][mot_xy - mot_stride + off[block]][1]; 632 if(P_TOP[1] > (c->ymax<<shift)) P_TOP[1] = (c->ymax<<shift); 633 if(P_TOPRIGHT[0] < (c->xmin<<shift)) P_TOPRIGHT[0]= (c->xmin<<shift); 634 if(P_TOPRIGHT[0] > (c->xmax<<shift)) P_TOPRIGHT[0]= (c->xmax<<shift); 635 if(P_TOPRIGHT[1] > (c->ymax<<shift)) P_TOPRIGHT[1]= (c->ymax<<shift); 636 637 P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]); 638 P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]); 639 640 c->pred_x= pred_x4 = P_MEDIAN[0]; 641 c->pred_y= pred_y4 = P_MEDIAN[1]; 642 } 643 P_MV1[0]= mx; 644 P_MV1[1]= my; 645 646 dmin4 = epzs_motion_search4(s, &mx4, &my4, P, block, block, s->p_mv_table, (1<<16)>>shift); 647 648 dmin4= c->sub_motion_search(s, &mx4, &my4, dmin4, block, block, size, h); 649 650 if(s->dsp.me_sub_cmp[0] != s->dsp.mb_cmp[0]){ 651 int dxy; 652 const int offset= ((block&1) + (block>>1)*stride)*8; 653 uint8_t *dest_y = c->scratchpad + offset; 654 if(s->quarter_sample){ 655 uint8_t *ref= c->ref[block][0] + (mx4>>2) + (my4>>2)*stride; 656 dxy = ((my4 & 3) << 2) | (mx4 & 3); 657 658 if(s->no_rounding) 659 s->dsp.put_no_rnd_qpel_pixels_tab[1][dxy](dest_y , ref , stride); 660 else 661 s->dsp.put_qpel_pixels_tab [1][dxy](dest_y , ref , stride); 662 }else{ 663 uint8_t *ref= c->ref[block][0] + (mx4>>1) + (my4>>1)*stride; 664 dxy = ((my4 & 1) << 1) | (mx4 & 1); 665 666 if(s->no_rounding) 667 s->dsp.put_no_rnd_pixels_tab[1][dxy](dest_y , ref , stride, h); 668 else 669 s->dsp.put_pixels_tab [1][dxy](dest_y , ref , stride, h); 670 } 671 dmin_sum+= (mv_penalty[mx4-pred_x4] + mv_penalty[my4-pred_y4])*c->mb_penalty_factor; 672 }else 673 dmin_sum+= dmin4; 674 675 if(s->quarter_sample){ 676 mx4_sum+= mx4/2; 677 my4_sum+= my4/2; 678 }else{ 679 mx4_sum+= mx4; 680 my4_sum+= my4; 681 } 682 683 s->current_picture.motion_val[0][ s->block_index[block] ][0]= mx4; 684 s->current_picture.motion_val[0][ s->block_index[block] ][1]= my4; 685 686 if(mx4 != mx || my4 != my) same=0; 687 } 688 689 if(same) 690 return INT_MAX; 691 692 if(s->dsp.me_sub_cmp[0] != s->dsp.mb_cmp[0]){ 693 dmin_sum += s->dsp.mb_cmp[0](s, s->new_picture.data[0] + s->mb_x*16 + s->mb_y*16*stride, c->scratchpad, stride, 16); 694 } 695 696 if(c->avctx->mb_cmp&FF_CMP_CHROMA){ 697 int dxy; 698 int mx, my; 699 int offset; 700 701 mx= ff_h263_round_chroma(mx4_sum); 702 my= ff_h263_round_chroma(my4_sum); 703 dxy = ((my & 1) << 1) | (mx & 1); 704 705 offset= (s->mb_x*8 + (mx>>1)) + (s->mb_y*8 + (my>>1))*s->uvlinesize; 706 707 if(s->no_rounding){ 708 s->dsp.put_no_rnd_pixels_tab[1][dxy](c->scratchpad , s->last_picture.data[1] + offset, s->uvlinesize, 8); 709 s->dsp.put_no_rnd_pixels_tab[1][dxy](c->scratchpad+8 , s->last_picture.data[2] + offset, s->uvlinesize, 8); 710 }else{ 711 s->dsp.put_pixels_tab [1][dxy](c->scratchpad , s->last_picture.data[1] + offset, s->uvlinesize, 8); 712 s->dsp.put_pixels_tab [1][dxy](c->scratchpad+8 , s->last_picture.data[2] + offset, s->uvlinesize, 8); 713 } 714 715 dmin_sum += s->dsp.mb_cmp[1](s, s->new_picture.data[1] + s->mb_x*8 + s->mb_y*8*s->uvlinesize, c->scratchpad , s->uvlinesize, 8); 716 dmin_sum += s->dsp.mb_cmp[1](s, s->new_picture.data[2] + s->mb_x*8 + s->mb_y*8*s->uvlinesize, c->scratchpad+8, s->uvlinesize, 8); 717 } 718 719 c->pred_x= mx; 720 c->pred_y= my; 721 722 switch(c->avctx->mb_cmp&0xFF){ 723 /*case FF_CMP_SSE: 724 return dmin_sum+ 32*s->qscale*s->qscale;*/ 725 case FF_CMP_RD: 726 return dmin_sum; 727 default: 728 return dmin_sum+ 11*c->mb_penalty_factor; 729 } 730} 731 732static inline void init_interlaced_ref(MpegEncContext *s, int ref_index){ 733 MotionEstContext * const c= &s->me; 734 735 c->ref[1+ref_index][0] = c->ref[0+ref_index][0] + s->linesize; 736 c->src[1][0] = c->src[0][0] + s->linesize; 737 if(c->flags & FLAG_CHROMA){ 738 c->ref[1+ref_index][1] = c->ref[0+ref_index][1] + s->uvlinesize; 739 c->ref[1+ref_index][2] = c->ref[0+ref_index][2] + s->uvlinesize; 740 c->src[1][1] = c->src[0][1] + s->uvlinesize; 741 c->src[1][2] = c->src[0][2] + s->uvlinesize; 742 } 743} 744 745static int interlaced_search(MpegEncContext *s, int ref_index, 746 int16_t (*mv_tables[2][2])[2], uint8_t *field_select_tables[2], int mx, int my, int user_field_select) 747{ 748 MotionEstContext * const c= &s->me; 749 const int size=0; 750 const int h=8; 751 int block; 752 int P[10][2]; 753 uint8_t * const mv_penalty= c->current_mv_penalty; 754 int same=1; 755 const int stride= 2*s->linesize; 756 int dmin_sum= 0; 757 const int mot_stride= s->mb_stride; 758 const int xy= s->mb_x + s->mb_y*mot_stride; 759 760 c->ymin>>=1; 761 c->ymax>>=1; 762 c->stride<<=1; 763 c->uvstride<<=1; 764 init_interlaced_ref(s, ref_index); 765 766 for(block=0; block<2; block++){ 767 int field_select; 768 int best_dmin= INT_MAX; 769 int best_field= -1; 770 771 for(field_select=0; field_select<2; field_select++){ 772 int dmin, mx_i, my_i; 773 int16_t (*mv_table)[2]= mv_tables[block][field_select]; 774 775 if(user_field_select){ 776 assert(field_select==0 || field_select==1); 777 assert(field_select_tables[block][xy]==0 || field_select_tables[block][xy]==1); 778 if(field_select_tables[block][xy] != field_select) 779 continue; 780 } 781 782 P_LEFT[0] = mv_table[xy - 1][0]; 783 P_LEFT[1] = mv_table[xy - 1][1]; 784 if(P_LEFT[0] > (c->xmax<<1)) P_LEFT[0] = (c->xmax<<1); 785 786 c->pred_x= P_LEFT[0]; 787 c->pred_y= P_LEFT[1]; 788 789 if(!s->first_slice_line){ 790 P_TOP[0] = mv_table[xy - mot_stride][0]; 791 P_TOP[1] = mv_table[xy - mot_stride][1]; 792 P_TOPRIGHT[0] = mv_table[xy - mot_stride + 1][0]; 793 P_TOPRIGHT[1] = mv_table[xy - mot_stride + 1][1]; 794 if(P_TOP[1] > (c->ymax<<1)) P_TOP[1] = (c->ymax<<1); 795 if(P_TOPRIGHT[0] < (c->xmin<<1)) P_TOPRIGHT[0]= (c->xmin<<1); 796 if(P_TOPRIGHT[0] > (c->xmax<<1)) P_TOPRIGHT[0]= (c->xmax<<1); 797 if(P_TOPRIGHT[1] > (c->ymax<<1)) P_TOPRIGHT[1]= (c->ymax<<1); 798 799 P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]); 800 P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]); 801 } 802 P_MV1[0]= mx; //FIXME not correct if block != field_select 803 P_MV1[1]= my / 2; 804 805 dmin = epzs_motion_search2(s, &mx_i, &my_i, P, block, field_select+ref_index, mv_table, (1<<16)>>1); 806 807 dmin= c->sub_motion_search(s, &mx_i, &my_i, dmin, block, field_select+ref_index, size, h); 808 809 mv_table[xy][0]= mx_i; 810 mv_table[xy][1]= my_i; 811 812 if(s->dsp.me_sub_cmp[0] != s->dsp.mb_cmp[0]){ 813 int dxy; 814 815 //FIXME chroma ME 816 uint8_t *ref= c->ref[field_select+ref_index][0] + (mx_i>>1) + (my_i>>1)*stride; 817 dxy = ((my_i & 1) << 1) | (mx_i & 1); 818 819 if(s->no_rounding){ 820 s->dsp.put_no_rnd_pixels_tab[size][dxy](c->scratchpad, ref , stride, h); 821 }else{ 822 s->dsp.put_pixels_tab [size][dxy](c->scratchpad, ref , stride, h); 823 } 824 dmin= s->dsp.mb_cmp[size](s, c->src[block][0], c->scratchpad, stride, h); 825 dmin+= (mv_penalty[mx_i-c->pred_x] + mv_penalty[my_i-c->pred_y] + 1)*c->mb_penalty_factor; 826 }else 827 dmin+= c->mb_penalty_factor; //field_select bits 828 829 dmin += field_select != block; //slightly prefer same field 830 831 if(dmin < best_dmin){ 832 best_dmin= dmin; 833 best_field= field_select; 834 } 835 } 836 { 837 int16_t (*mv_table)[2]= mv_tables[block][best_field]; 838 839 if(mv_table[xy][0] != mx) same=0; //FIXME check if these checks work and are any good at all 840 if(mv_table[xy][1]&1) same=0; 841 if(mv_table[xy][1]*2 != my) same=0; 842 if(best_field != block) same=0; 843 } 844 845 field_select_tables[block][xy]= best_field; 846 dmin_sum += best_dmin; 847 } 848 849 c->ymin<<=1; 850 c->ymax<<=1; 851 c->stride>>=1; 852 c->uvstride>>=1; 853 854 if(same) 855 return INT_MAX; 856 857 switch(c->avctx->mb_cmp&0xFF){ 858 /*case FF_CMP_SSE: 859 return dmin_sum+ 32*s->qscale*s->qscale;*/ 860 case FF_CMP_RD: 861 return dmin_sum; 862 default: 863 return dmin_sum+ 11*c->mb_penalty_factor; 864 } 865} 866 867static void clip_input_mv(MpegEncContext * s, int16_t *mv, int interlaced){ 868 int ymax= s->me.ymax>>interlaced; 869 int ymin= s->me.ymin>>interlaced; 870 871 if(mv[0] < s->me.xmin) mv[0] = s->me.xmin; 872 if(mv[0] > s->me.xmax) mv[0] = s->me.xmax; 873 if(mv[1] < ymin) mv[1] = ymin; 874 if(mv[1] > ymax) mv[1] = ymax; 875} 876 877static inline int check_input_motion(MpegEncContext * s, int mb_x, int mb_y, int p_type){ 878 MotionEstContext * const c= &s->me; 879 Picture *p= s->current_picture_ptr; 880 int mb_xy= mb_x + mb_y*s->mb_stride; 881 int xy= 2*mb_x + 2*mb_y*s->b8_stride; 882 int mb_type= s->current_picture.mb_type[mb_xy]; 883 int flags= c->flags; 884 int shift= (flags&FLAG_QPEL) + 1; 885 int mask= (1<<shift)-1; 886 int x, y, i; 887 int d=0; 888 me_cmp_func cmpf= s->dsp.sse[0]; 889 me_cmp_func chroma_cmpf= s->dsp.sse[1]; 890 891 if(p_type && USES_LIST(mb_type, 1)){ 892 av_log(c->avctx, AV_LOG_ERROR, "backward motion vector in P frame\n"); 893 return INT_MAX/2; 894 } 895 assert(IS_INTRA(mb_type) || USES_LIST(mb_type,0) || USES_LIST(mb_type,1)); 896 897 for(i=0; i<4; i++){ 898 int xy= s->block_index[i]; 899 clip_input_mv(s, p->motion_val[0][xy], !!IS_INTERLACED(mb_type)); 900 clip_input_mv(s, p->motion_val[1][xy], !!IS_INTERLACED(mb_type)); 901 } 902 903 if(IS_INTERLACED(mb_type)){ 904 int xy2= xy + s->b8_stride; 905 s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_INTRA; 906 c->stride<<=1; 907 c->uvstride<<=1; 908 909 if(!(s->flags & CODEC_FLAG_INTERLACED_ME)){ 910 av_log(c->avctx, AV_LOG_ERROR, "Interlaced macroblock selected but interlaced motion estimation disabled\n"); 911 return INT_MAX/2; 912 } 913 914 if(USES_LIST(mb_type, 0)){ 915 int field_select0= p->ref_index[0][4*mb_xy ]; 916 int field_select1= p->ref_index[0][4*mb_xy+2]; 917 assert(field_select0==0 ||field_select0==1); 918 assert(field_select1==0 ||field_select1==1); 919 init_interlaced_ref(s, 0); 920 921 if(p_type){ 922 s->p_field_select_table[0][mb_xy]= field_select0; 923 s->p_field_select_table[1][mb_xy]= field_select1; 924 *(uint32_t*)s->p_field_mv_table[0][field_select0][mb_xy]= *(uint32_t*)p->motion_val[0][xy ]; 925 *(uint32_t*)s->p_field_mv_table[1][field_select1][mb_xy]= *(uint32_t*)p->motion_val[0][xy2]; 926 s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_INTER_I; 927 }else{ 928 s->b_field_select_table[0][0][mb_xy]= field_select0; 929 s->b_field_select_table[0][1][mb_xy]= field_select1; 930 *(uint32_t*)s->b_field_mv_table[0][0][field_select0][mb_xy]= *(uint32_t*)p->motion_val[0][xy ]; 931 *(uint32_t*)s->b_field_mv_table[0][1][field_select1][mb_xy]= *(uint32_t*)p->motion_val[0][xy2]; 932 s->mb_type[mb_xy]= CANDIDATE_MB_TYPE_FORWARD_I; 933 } 934 935 x= p->motion_val[0][xy ][0]; 936 y= p->motion_val[0][xy ][1]; 937 d = cmp(s, x>>shift, y>>shift, x&mask, y&mask, 0, 8, field_select0, 0, cmpf, chroma_cmpf, flags); 938 x= p->motion_val[0][xy2][0]; 939 y= p->motion_val[0][xy2][1]; 940 d+= cmp(s, x>>shift, y>>shift, x&mask, y&mask, 0, 8, field_select1, 1, cmpf, chroma_cmpf, flags); 941 } 942 if(USES_LIST(mb_type, 1)){ 943 int field_select0= p->ref_index[1][4*mb_xy ]; 944 int field_select1= p->ref_index[1][4*mb_xy+2]; 945 assert(field_select0==0 ||field_select0==1); 946 assert(field_select1==0 ||field_select1==1); 947 init_interlaced_ref(s, 2); 948 949 s->b_field_select_table[1][0][mb_xy]= field_select0; 950 s->b_field_select_table[1][1][mb_xy]= field_select1; 951 *(uint32_t*)s->b_field_mv_table[1][0][field_select0][mb_xy]= *(uint32_t*)p->motion_val[1][xy ]; 952 *(uint32_t*)s->b_field_mv_table[1][1][field_select1][mb_xy]= *(uint32_t*)p->motion_val[1][xy2]; 953 if(USES_LIST(mb_type, 0)){ 954 s->mb_type[mb_xy]= CANDIDATE_MB_TYPE_BIDIR_I; 955 }else{ 956 s->mb_type[mb_xy]= CANDIDATE_MB_TYPE_BACKWARD_I; 957 } 958 959 x= p->motion_val[1][xy ][0]; 960 y= p->motion_val[1][xy ][1]; 961 d = cmp(s, x>>shift, y>>shift, x&mask, y&mask, 0, 8, field_select0+2, 0, cmpf, chroma_cmpf, flags); 962 x= p->motion_val[1][xy2][0]; 963 y= p->motion_val[1][xy2][1]; 964 d+= cmp(s, x>>shift, y>>shift, x&mask, y&mask, 0, 8, field_select1+2, 1, cmpf, chroma_cmpf, flags); 965 //FIXME bidir scores 966 } 967 c->stride>>=1; 968 c->uvstride>>=1; 969 }else if(IS_8X8(mb_type)){ 970 if(!(s->flags & CODEC_FLAG_4MV)){ 971 av_log(c->avctx, AV_LOG_ERROR, "4MV macroblock selected but 4MV encoding disabled\n"); 972 return INT_MAX/2; 973 } 974 cmpf= s->dsp.sse[1]; 975 chroma_cmpf= s->dsp.sse[1]; 976 init_mv4_ref(c); 977 for(i=0; i<4; i++){ 978 xy= s->block_index[i]; 979 x= p->motion_val[0][xy][0]; 980 y= p->motion_val[0][xy][1]; 981 d+= cmp(s, x>>shift, y>>shift, x&mask, y&mask, 1, 8, i, i, cmpf, chroma_cmpf, flags); 982 } 983 s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_INTER4V; 984 }else{ 985 if(USES_LIST(mb_type, 0)){ 986 if(p_type){ 987 *(uint32_t*)s->p_mv_table[mb_xy]= *(uint32_t*)p->motion_val[0][xy]; 988 s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_INTER; 989 }else if(USES_LIST(mb_type, 1)){ 990 *(uint32_t*)s->b_bidir_forw_mv_table[mb_xy]= *(uint32_t*)p->motion_val[0][xy]; 991 *(uint32_t*)s->b_bidir_back_mv_table[mb_xy]= *(uint32_t*)p->motion_val[1][xy]; 992 s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_BIDIR; 993 }else{ 994 *(uint32_t*)s->b_forw_mv_table[mb_xy]= *(uint32_t*)p->motion_val[0][xy]; 995 s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_FORWARD; 996 } 997 x= p->motion_val[0][xy][0]; 998 y= p->motion_val[0][xy][1]; 999 d = cmp(s, x>>shift, y>>shift, x&mask, y&mask, 0, 16, 0, 0, cmpf, chroma_cmpf, flags); 1000 }else if(USES_LIST(mb_type, 1)){ 1001 *(uint32_t*)s->b_back_mv_table[mb_xy]= *(uint32_t*)p->motion_val[1][xy]; 1002 s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_BACKWARD; 1003 1004 x= p->motion_val[1][xy][0]; 1005 y= p->motion_val[1][xy][1]; 1006 d = cmp(s, x>>shift, y>>shift, x&mask, y&mask, 0, 16, 2, 0, cmpf, chroma_cmpf, flags); 1007 }else 1008 s->mb_type[mb_xy]=CANDIDATE_MB_TYPE_INTRA; 1009 } 1010 return d; 1011} 1012 1013void ff_estimate_p_frame_motion(MpegEncContext * s, 1014 int mb_x, int mb_y) 1015{ 1016 MotionEstContext * const c= &s->me; 1017 uint8_t *pix, *ppix; 1018 int sum, mx, my, dmin; 1019 int varc; ///< the variance of the block (sum of squared (p[y][x]-average)) 1020 int vard; ///< sum of squared differences with the estimated motion vector 1021 int P[10][2]; 1022 const int shift= 1+s->quarter_sample; 1023 int mb_type=0; 1024 Picture * const pic= &s->current_picture; 1025 1026 init_ref(c, s->new_picture.data, s->last_picture.data, NULL, 16*mb_x, 16*mb_y, 0); 1027 1028 assert(s->quarter_sample==0 || s->quarter_sample==1); 1029 assert(s->linesize == c->stride); 1030 assert(s->uvlinesize == c->uvstride); 1031 1032 c->penalty_factor = get_penalty_factor(s->lambda, s->lambda2, c->avctx->me_cmp); 1033 c->sub_penalty_factor= get_penalty_factor(s->lambda, s->lambda2, c->avctx->me_sub_cmp); 1034 c->mb_penalty_factor = get_penalty_factor(s->lambda, s->lambda2, c->avctx->mb_cmp); 1035 c->current_mv_penalty= c->mv_penalty[s->f_code] + MAX_MV; 1036 1037 get_limits(s, 16*mb_x, 16*mb_y); 1038 c->skip=0; 1039 1040 /* intra / predictive decision */ 1041 pix = c->src[0][0]; 1042 sum = s->dsp.pix_sum(pix, s->linesize); 1043 varc = s->dsp.pix_norm1(pix, s->linesize) - (((unsigned)(sum*sum))>>8) + 500; 1044 1045 pic->mb_mean[s->mb_stride * mb_y + mb_x] = (sum+128)>>8; 1046 pic->mb_var [s->mb_stride * mb_y + mb_x] = (varc+128)>>8; 1047 c->mb_var_sum_temp += (varc+128)>>8; 1048 1049 if(c->avctx->me_threshold){ 1050 vard= check_input_motion(s, mb_x, mb_y, 1); 1051 1052 if((vard+128)>>8 < c->avctx->me_threshold){ 1053 int p_score= FFMIN(vard, varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*100); 1054 int i_score= varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*20; 1055 pic->mc_mb_var[s->mb_stride * mb_y + mb_x] = (vard+128)>>8; 1056 c->mc_mb_var_sum_temp += (vard+128)>>8; 1057 c->scene_change_score+= ff_sqrt(p_score) - ff_sqrt(i_score); 1058 return; 1059 } 1060 if((vard+128)>>8 < c->avctx->mb_threshold) 1061 mb_type= s->mb_type[mb_x + mb_y*s->mb_stride]; 1062 } 1063 1064 switch(s->me_method) { 1065 case ME_ZERO: 1066 default: 1067 no_motion_search(s, &mx, &my); 1068 mx-= mb_x*16; 1069 my-= mb_y*16; 1070 dmin = 0; 1071 break; 1072 case ME_X1: 1073 case ME_EPZS: 1074 { 1075 const int mot_stride = s->b8_stride; 1076 const int mot_xy = s->block_index[0]; 1077 1078 P_LEFT[0] = s->current_picture.motion_val[0][mot_xy - 1][0]; 1079 P_LEFT[1] = s->current_picture.motion_val[0][mot_xy - 1][1]; 1080 1081 if(P_LEFT[0] > (c->xmax<<shift)) P_LEFT[0] = (c->xmax<<shift); 1082 1083 if(!s->first_slice_line) { 1084 P_TOP[0] = s->current_picture.motion_val[0][mot_xy - mot_stride ][0]; 1085 P_TOP[1] = s->current_picture.motion_val[0][mot_xy - mot_stride ][1]; 1086 P_TOPRIGHT[0] = s->current_picture.motion_val[0][mot_xy - mot_stride + 2][0]; 1087 P_TOPRIGHT[1] = s->current_picture.motion_val[0][mot_xy - mot_stride + 2][1]; 1088 if(P_TOP[1] > (c->ymax<<shift)) P_TOP[1] = (c->ymax<<shift); 1089 if(P_TOPRIGHT[0] < (c->xmin<<shift)) P_TOPRIGHT[0]= (c->xmin<<shift); 1090 if(P_TOPRIGHT[1] > (c->ymax<<shift)) P_TOPRIGHT[1]= (c->ymax<<shift); 1091 1092 P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]); 1093 P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]); 1094 1095 if(s->out_format == FMT_H263){ 1096 c->pred_x = P_MEDIAN[0]; 1097 c->pred_y = P_MEDIAN[1]; 1098 }else { /* mpeg1 at least */ 1099 c->pred_x= P_LEFT[0]; 1100 c->pred_y= P_LEFT[1]; 1101 } 1102 }else{ 1103 c->pred_x= P_LEFT[0]; 1104 c->pred_y= P_LEFT[1]; 1105 } 1106 1107 } 1108 dmin = ff_epzs_motion_search(s, &mx, &my, P, 0, 0, s->p_mv_table, (1<<16)>>shift, 0, 16); 1109 1110 break; 1111 } 1112 1113 /* At this point (mx,my) are full-pell and the relative displacement */ 1114 ppix = c->ref[0][0] + (my * s->linesize) + mx; 1115 1116 vard = s->dsp.sse[0](NULL, pix, ppix, s->linesize, 16); 1117 1118 pic->mc_mb_var[s->mb_stride * mb_y + mb_x] = (vard+128)>>8; 1119// pic->mb_cmp_score[s->mb_stride * mb_y + mb_x] = dmin; 1120 c->mc_mb_var_sum_temp += (vard+128)>>8; 1121 1122#if 0 1123 printf("varc=%4d avg_var=%4d (sum=%4d) vard=%4d mx=%2d my=%2d\n", 1124 varc, s->avg_mb_var, sum, vard, mx - xx, my - yy); 1125#endif 1126 if(mb_type){ 1127 int p_score= FFMIN(vard, varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*100); 1128 int i_score= varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*20; 1129 c->scene_change_score+= ff_sqrt(p_score) - ff_sqrt(i_score); 1130 1131 if(mb_type == CANDIDATE_MB_TYPE_INTER){ 1132 c->sub_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16); 1133 set_p_mv_tables(s, mx, my, 1); 1134 }else{ 1135 mx <<=shift; 1136 my <<=shift; 1137 } 1138 if(mb_type == CANDIDATE_MB_TYPE_INTER4V){ 1139 h263_mv4_search(s, mx, my, shift); 1140 1141 set_p_mv_tables(s, mx, my, 0); 1142 } 1143 if(mb_type == CANDIDATE_MB_TYPE_INTER_I){ 1144 interlaced_search(s, 0, s->p_field_mv_table, s->p_field_select_table, mx, my, 1); 1145 } 1146 }else if(c->avctx->mb_decision > FF_MB_DECISION_SIMPLE){ 1147 int p_score= FFMIN(vard, varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*100); 1148 int i_score= varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*20; 1149 c->scene_change_score+= ff_sqrt(p_score) - ff_sqrt(i_score); 1150 1151 if (vard*2 + 200*256 > varc) 1152 mb_type|= CANDIDATE_MB_TYPE_INTRA; 1153 if (varc*2 + 200*256 > vard || s->qscale > 24){ 1154// if (varc*2 + 200*256 + 50*(s->lambda2>>FF_LAMBDA_SHIFT) > vard){ 1155 mb_type|= CANDIDATE_MB_TYPE_INTER; 1156 c->sub_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16); 1157 if(s->flags&CODEC_FLAG_MV0) 1158 if(mx || my) 1159 mb_type |= CANDIDATE_MB_TYPE_SKIPPED; //FIXME check difference 1160 }else{ 1161 mx <<=shift; 1162 my <<=shift; 1163 } 1164 if((s->flags&CODEC_FLAG_4MV) 1165 && !c->skip && varc>50<<8 && vard>10<<8){ 1166 if(h263_mv4_search(s, mx, my, shift) < INT_MAX) 1167 mb_type|=CANDIDATE_MB_TYPE_INTER4V; 1168 1169 set_p_mv_tables(s, mx, my, 0); 1170 }else 1171 set_p_mv_tables(s, mx, my, 1); 1172 if((s->flags&CODEC_FLAG_INTERLACED_ME) 1173 && !c->skip){ //FIXME varc/d checks 1174 if(interlaced_search(s, 0, s->p_field_mv_table, s->p_field_select_table, mx, my, 0) < INT_MAX) 1175 mb_type |= CANDIDATE_MB_TYPE_INTER_I; 1176 } 1177 }else{ 1178 int intra_score, i; 1179 mb_type= CANDIDATE_MB_TYPE_INTER; 1180 1181 dmin= c->sub_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16); 1182 if(c->avctx->me_sub_cmp != c->avctx->mb_cmp && !c->skip) 1183 dmin= ff_get_mb_score(s, mx, my, 0, 0, 0, 16, 1); 1184 1185 if((s->flags&CODEC_FLAG_4MV) 1186 && !c->skip && varc>50<<8 && vard>10<<8){ 1187 int dmin4= h263_mv4_search(s, mx, my, shift); 1188 if(dmin4 < dmin){ 1189 mb_type= CANDIDATE_MB_TYPE_INTER4V; 1190 dmin=dmin4; 1191 } 1192 } 1193 if((s->flags&CODEC_FLAG_INTERLACED_ME) 1194 && !c->skip){ //FIXME varc/d checks 1195 int dmin_i= interlaced_search(s, 0, s->p_field_mv_table, s->p_field_select_table, mx, my, 0); 1196 if(dmin_i < dmin){ 1197 mb_type = CANDIDATE_MB_TYPE_INTER_I; 1198 dmin= dmin_i; 1199 } 1200 } 1201 1202// pic->mb_cmp_score[s->mb_stride * mb_y + mb_x] = dmin; 1203 set_p_mv_tables(s, mx, my, mb_type!=CANDIDATE_MB_TYPE_INTER4V); 1204 1205 /* get intra luma score */ 1206 if((c->avctx->mb_cmp&0xFF)==FF_CMP_SSE){ 1207 intra_score= varc - 500; 1208 }else{ 1209 int mean= (sum+128)>>8; 1210 mean*= 0x01010101; 1211 1212 for(i=0; i<16; i++){ 1213 *(uint32_t*)(&c->scratchpad[i*s->linesize+ 0]) = mean; 1214 *(uint32_t*)(&c->scratchpad[i*s->linesize+ 4]) = mean; 1215 *(uint32_t*)(&c->scratchpad[i*s->linesize+ 8]) = mean; 1216 *(uint32_t*)(&c->scratchpad[i*s->linesize+12]) = mean; 1217 } 1218 1219 intra_score= s->dsp.mb_cmp[0](s, c->scratchpad, pix, s->linesize, 16); 1220 } 1221#if 0 //FIXME 1222 /* get chroma score */ 1223 if(c->avctx->mb_cmp&FF_CMP_CHROMA){ 1224 for(i=1; i<3; i++){ 1225 uint8_t *dest_c; 1226 int mean; 1227 1228 if(s->out_format == FMT_H263){ 1229 mean= (s->dc_val[i][mb_x + mb_y*s->b8_stride] + 4)>>3; //FIXME not exact but simple ;) 1230 }else{ 1231 mean= (s->last_dc[i] + 4)>>3; 1232 } 1233 dest_c = s->new_picture.data[i] + (mb_y * 8 * (s->uvlinesize)) + mb_x * 8; 1234 1235 mean*= 0x01010101; 1236 for(i=0; i<8; i++){ 1237 *(uint32_t*)(&c->scratchpad[i*s->uvlinesize+ 0]) = mean; 1238 *(uint32_t*)(&c->scratchpad[i*s->uvlinesize+ 4]) = mean; 1239 } 1240 1241 intra_score+= s->dsp.mb_cmp[1](s, c->scratchpad, dest_c, s->uvlinesize); 1242 } 1243 } 1244#endif 1245 intra_score += c->mb_penalty_factor*16; 1246 1247 if(intra_score < dmin){ 1248 mb_type= CANDIDATE_MB_TYPE_INTRA; 1249 s->current_picture.mb_type[mb_y*s->mb_stride + mb_x]= CANDIDATE_MB_TYPE_INTRA; //FIXME cleanup 1250 }else 1251 s->current_picture.mb_type[mb_y*s->mb_stride + mb_x]= 0; 1252 1253 { 1254 int p_score= FFMIN(vard, varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*100); 1255 int i_score= varc-500+(s->lambda2>>FF_LAMBDA_SHIFT)*20; 1256 c->scene_change_score+= ff_sqrt(p_score) - ff_sqrt(i_score); 1257 } 1258 } 1259 1260 s->mb_type[mb_y*s->mb_stride + mb_x]= mb_type; 1261} 1262 1263int ff_pre_estimate_p_frame_motion(MpegEncContext * s, 1264 int mb_x, int mb_y) 1265{ 1266 MotionEstContext * const c= &s->me; 1267 int mx, my, dmin; 1268 int P[10][2]; 1269 const int shift= 1+s->quarter_sample; 1270 const int xy= mb_x + mb_y*s->mb_stride; 1271 init_ref(c, s->new_picture.data, s->last_picture.data, NULL, 16*mb_x, 16*mb_y, 0); 1272 1273 assert(s->quarter_sample==0 || s->quarter_sample==1); 1274 1275 c->pre_penalty_factor = get_penalty_factor(s->lambda, s->lambda2, c->avctx->me_pre_cmp); 1276 c->current_mv_penalty= c->mv_penalty[s->f_code] + MAX_MV; 1277 1278 get_limits(s, 16*mb_x, 16*mb_y); 1279 c->skip=0; 1280 1281 P_LEFT[0] = s->p_mv_table[xy + 1][0]; 1282 P_LEFT[1] = s->p_mv_table[xy + 1][1]; 1283 1284 if(P_LEFT[0] < (c->xmin<<shift)) P_LEFT[0] = (c->xmin<<shift); 1285 1286 /* special case for first line */ 1287 if (s->first_slice_line) { 1288 c->pred_x= P_LEFT[0]; 1289 c->pred_y= P_LEFT[1]; 1290 P_TOP[0]= P_TOPRIGHT[0]= P_MEDIAN[0]= 1291 P_TOP[1]= P_TOPRIGHT[1]= P_MEDIAN[1]= 0; //FIXME 1292 } else { 1293 P_TOP[0] = s->p_mv_table[xy + s->mb_stride ][0]; 1294 P_TOP[1] = s->p_mv_table[xy + s->mb_stride ][1]; 1295 P_TOPRIGHT[0] = s->p_mv_table[xy + s->mb_stride - 1][0]; 1296 P_TOPRIGHT[1] = s->p_mv_table[xy + s->mb_stride - 1][1]; 1297 if(P_TOP[1] < (c->ymin<<shift)) P_TOP[1] = (c->ymin<<shift); 1298 if(P_TOPRIGHT[0] > (c->xmax<<shift)) P_TOPRIGHT[0]= (c->xmax<<shift); 1299 if(P_TOPRIGHT[1] < (c->ymin<<shift)) P_TOPRIGHT[1]= (c->ymin<<shift); 1300 1301 P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]); 1302 P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]); 1303 1304 c->pred_x = P_MEDIAN[0]; 1305 c->pred_y = P_MEDIAN[1]; 1306 } 1307 1308 dmin = ff_epzs_motion_search(s, &mx, &my, P, 0, 0, s->p_mv_table, (1<<16)>>shift, 0, 16); 1309 1310 s->p_mv_table[xy][0] = mx<<shift; 1311 s->p_mv_table[xy][1] = my<<shift; 1312 1313 return dmin; 1314} 1315 1316static int ff_estimate_motion_b(MpegEncContext * s, 1317 int mb_x, int mb_y, int16_t (*mv_table)[2], int ref_index, int f_code) 1318{ 1319 MotionEstContext * const c= &s->me; 1320 int mx, my, dmin; 1321 int P[10][2]; 1322 const int shift= 1+s->quarter_sample; 1323 const int mot_stride = s->mb_stride; 1324 const int mot_xy = mb_y*mot_stride + mb_x; 1325 uint8_t * const mv_penalty= c->mv_penalty[f_code] + MAX_MV; 1326 int mv_scale; 1327 1328 c->penalty_factor = get_penalty_factor(s->lambda, s->lambda2, c->avctx->me_cmp); 1329 c->sub_penalty_factor= get_penalty_factor(s->lambda, s->lambda2, c->avctx->me_sub_cmp); 1330 c->mb_penalty_factor = get_penalty_factor(s->lambda, s->lambda2, c->avctx->mb_cmp); 1331 c->current_mv_penalty= mv_penalty; 1332 1333 get_limits(s, 16*mb_x, 16*mb_y); 1334 1335 switch(s->me_method) { 1336 case ME_ZERO: 1337 default: 1338 no_motion_search(s, &mx, &my); 1339 dmin = 0; 1340 mx-= mb_x*16; 1341 my-= mb_y*16; 1342 break; 1343 case ME_X1: 1344 case ME_EPZS: 1345 { 1346 P_LEFT[0] = mv_table[mot_xy - 1][0]; 1347 P_LEFT[1] = mv_table[mot_xy - 1][1]; 1348 1349 if(P_LEFT[0] > (c->xmax<<shift)) P_LEFT[0] = (c->xmax<<shift); 1350 1351 /* special case for first line */ 1352 if (!s->first_slice_line) { 1353 P_TOP[0] = mv_table[mot_xy - mot_stride ][0]; 1354 P_TOP[1] = mv_table[mot_xy - mot_stride ][1]; 1355 P_TOPRIGHT[0] = mv_table[mot_xy - mot_stride + 1 ][0]; 1356 P_TOPRIGHT[1] = mv_table[mot_xy - mot_stride + 1 ][1]; 1357 if(P_TOP[1] > (c->ymax<<shift)) P_TOP[1]= (c->ymax<<shift); 1358 if(P_TOPRIGHT[0] < (c->xmin<<shift)) P_TOPRIGHT[0]= (c->xmin<<shift); 1359 if(P_TOPRIGHT[1] > (c->ymax<<shift)) P_TOPRIGHT[1]= (c->ymax<<shift); 1360 1361 P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]); 1362 P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]); 1363 } 1364 c->pred_x= P_LEFT[0]; 1365 c->pred_y= P_LEFT[1]; 1366 } 1367 1368 if(mv_table == s->b_forw_mv_table){ 1369 mv_scale= (s->pb_time<<16) / (s->pp_time<<shift); 1370 }else{ 1371 mv_scale= ((s->pb_time - s->pp_time)<<16) / (s->pp_time<<shift); 1372 } 1373 1374 dmin = ff_epzs_motion_search(s, &mx, &my, P, 0, ref_index, s->p_mv_table, mv_scale, 0, 16); 1375 1376 break; 1377 } 1378 1379 dmin= c->sub_motion_search(s, &mx, &my, dmin, 0, ref_index, 0, 16); 1380 1381 if(c->avctx->me_sub_cmp != c->avctx->mb_cmp && !c->skip) 1382 dmin= ff_get_mb_score(s, mx, my, 0, ref_index, 0, 16, 1); 1383 1384//printf("%d %d %d %d//", s->mb_x, s->mb_y, mx, my); 1385// s->mb_type[mb_y*s->mb_width + mb_x]= mb_type; 1386 mv_table[mot_xy][0]= mx; 1387 mv_table[mot_xy][1]= my; 1388 1389 return dmin; 1390} 1391 1392static inline int check_bidir_mv(MpegEncContext * s, 1393 int motion_fx, int motion_fy, 1394 int motion_bx, int motion_by, 1395 int pred_fx, int pred_fy, 1396 int pred_bx, int pred_by, 1397 int size, int h) 1398{ 1399 //FIXME optimize? 1400 //FIXME better f_code prediction (max mv & distance) 1401 //FIXME pointers 1402 MotionEstContext * const c= &s->me; 1403 uint8_t * const mv_penalty_f= c->mv_penalty[s->f_code] + MAX_MV; // f_code of the prev frame 1404 uint8_t * const mv_penalty_b= c->mv_penalty[s->b_code] + MAX_MV; // f_code of the prev frame 1405 int stride= c->stride; 1406 uint8_t *dest_y = c->scratchpad; 1407 uint8_t *ptr; 1408 int dxy; 1409 int src_x, src_y; 1410 int fbmin; 1411 uint8_t **src_data= c->src[0]; 1412 uint8_t **ref_data= c->ref[0]; 1413 uint8_t **ref2_data= c->ref[2]; 1414 1415 if(s->quarter_sample){ 1416 dxy = ((motion_fy & 3) << 2) | (motion_fx & 3); 1417 src_x = motion_fx >> 2; 1418 src_y = motion_fy >> 2; 1419 1420 ptr = ref_data[0] + (src_y * stride) + src_x; 1421 s->dsp.put_qpel_pixels_tab[0][dxy](dest_y , ptr , stride); 1422 1423 dxy = ((motion_by & 3) << 2) | (motion_bx & 3); 1424 src_x = motion_bx >> 2; 1425 src_y = motion_by >> 2; 1426 1427 ptr = ref2_data[0] + (src_y * stride) + src_x; 1428 s->dsp.avg_qpel_pixels_tab[size][dxy](dest_y , ptr , stride); 1429 }else{ 1430 dxy = ((motion_fy & 1) << 1) | (motion_fx & 1); 1431 src_x = motion_fx >> 1; 1432 src_y = motion_fy >> 1; 1433 1434 ptr = ref_data[0] + (src_y * stride) + src_x; 1435 s->dsp.put_pixels_tab[size][dxy](dest_y , ptr , stride, h); 1436 1437 dxy = ((motion_by & 1) << 1) | (motion_bx & 1); 1438 src_x = motion_bx >> 1; 1439 src_y = motion_by >> 1; 1440 1441 ptr = ref2_data[0] + (src_y * stride) + src_x; 1442 s->dsp.avg_pixels_tab[size][dxy](dest_y , ptr , stride, h); 1443 } 1444 1445 fbmin = (mv_penalty_f[motion_fx-pred_fx] + mv_penalty_f[motion_fy-pred_fy])*c->mb_penalty_factor 1446 +(mv_penalty_b[motion_bx-pred_bx] + mv_penalty_b[motion_by-pred_by])*c->mb_penalty_factor 1447 + s->dsp.mb_cmp[size](s, src_data[0], dest_y, stride, h); //FIXME new_pic 1448 1449 if(c->avctx->mb_cmp&FF_CMP_CHROMA){ 1450 } 1451 //FIXME CHROMA !!! 1452 1453 return fbmin; 1454} 1455 1456/* refine the bidir vectors in hq mode and return the score in both lq & hq mode*/ 1457static inline int bidir_refine(MpegEncContext * s, int mb_x, int mb_y) 1458{ 1459 MotionEstContext * const c= &s->me; 1460 const int mot_stride = s->mb_stride; 1461 const int xy = mb_y *mot_stride + mb_x; 1462 int fbmin; 1463 int pred_fx= s->b_bidir_forw_mv_table[xy-1][0]; 1464 int pred_fy= s->b_bidir_forw_mv_table[xy-1][1]; 1465 int pred_bx= s->b_bidir_back_mv_table[xy-1][0]; 1466 int pred_by= s->b_bidir_back_mv_table[xy-1][1]; 1467 int motion_fx= s->b_bidir_forw_mv_table[xy][0]= s->b_forw_mv_table[xy][0]; 1468 int motion_fy= s->b_bidir_forw_mv_table[xy][1]= s->b_forw_mv_table[xy][1]; 1469 int motion_bx= s->b_bidir_back_mv_table[xy][0]= s->b_back_mv_table[xy][0]; 1470 int motion_by= s->b_bidir_back_mv_table[xy][1]= s->b_back_mv_table[xy][1]; 1471 const int flags= c->sub_flags; 1472 const int qpel= flags&FLAG_QPEL; 1473 const int shift= 1+qpel; 1474 const int xmin= c->xmin<<shift; 1475 const int ymin= c->ymin<<shift; 1476 const int xmax= c->xmax<<shift; 1477 const int ymax= c->ymax<<shift; 1478#define HASH(fx,fy,bx,by) ((fx)+17*(fy)+63*(bx)+117*(by)) 1479 int hashidx= HASH(motion_fx,motion_fy, motion_bx, motion_by); 1480 uint8_t map[256]; 1481 1482 memset(map,0,sizeof(map)); 1483 map[hashidx&255] = 1; 1484 1485 fbmin= check_bidir_mv(s, motion_fx, motion_fy, 1486 motion_bx, motion_by, 1487 pred_fx, pred_fy, 1488 pred_bx, pred_by, 1489 0, 16); 1490 1491 if(s->avctx->bidir_refine){ 1492 int end; 1493 static const uint8_t limittab[5]={0,8,32,64,80}; 1494 const int limit= limittab[s->avctx->bidir_refine]; 1495 static const int8_t vect[][4]={ 1496{ 0, 0, 0, 1}, { 0, 0, 0,-1}, { 0, 0, 1, 0}, { 0, 0,-1, 0}, { 0, 1, 0, 0}, { 0,-1, 0, 0}, { 1, 0, 0, 0}, {-1, 0, 0, 0}, 1497 1498{ 0, 0, 1, 1}, { 0, 0,-1,-1}, { 0, 1, 1, 0}, { 0,-1,-1, 0}, { 1, 1, 0, 0}, {-1,-1, 0, 0}, { 1, 0, 0, 1}, {-1, 0, 0,-1}, 1499{ 0, 1, 0, 1}, { 0,-1, 0,-1}, { 1, 0, 1, 0}, {-1, 0,-1, 0}, 1500{ 0, 0,-1, 1}, { 0, 0, 1,-1}, { 0,-1, 1, 0}, { 0, 1,-1, 0}, {-1, 1, 0, 0}, { 1,-1, 0, 0}, { 1, 0, 0,-1}, {-1, 0, 0, 1}, 1501{ 0,-1, 0, 1}, { 0, 1, 0,-1}, {-1, 0, 1, 0}, { 1, 0,-1, 0}, 1502 1503{ 0, 1, 1, 1}, { 0,-1,-1,-1}, { 1, 1, 1, 0}, {-1,-1,-1, 0}, { 1, 1, 0, 1}, {-1,-1, 0,-1}, { 1, 0, 1, 1}, {-1, 0,-1,-1}, 1504{ 0,-1, 1, 1}, { 0, 1,-1,-1}, {-1, 1, 1, 0}, { 1,-1,-1, 0}, { 1, 1, 0,-1}, {-1,-1, 0, 1}, { 1, 0,-1, 1}, {-1, 0, 1,-1}, 1505{ 0, 1,-1, 1}, { 0,-1, 1,-1}, { 1,-1, 1, 0}, {-1, 1,-1, 0}, {-1, 1, 0, 1}, { 1,-1, 0,-1}, { 1, 0, 1,-1}, {-1, 0,-1, 1}, 1506{ 0, 1, 1,-1}, { 0,-1,-1, 1}, { 1, 1,-1, 0}, {-1,-1, 1, 0}, { 1,-1, 0, 1}, {-1, 1, 0,-1}, {-1, 0, 1, 1}, { 1, 0,-1,-1}, 1507 1508{ 1, 1, 1, 1}, {-1,-1,-1,-1}, 1509{ 1, 1, 1,-1}, {-1,-1,-1, 1}, { 1, 1,-1, 1}, {-1,-1, 1,-1}, { 1,-1, 1, 1}, {-1, 1,-1,-1}, {-1, 1, 1, 1}, { 1,-1,-1,-1}, 1510{ 1, 1,-1,-1}, {-1,-1, 1, 1}, { 1,-1,-1, 1}, {-1, 1, 1,-1}, { 1,-1, 1,-1}, {-1, 1,-1, 1}, 1511 }; 1512 static const uint8_t hash[]={ 1513HASH( 0, 0, 0, 1), HASH( 0, 0, 0,-1), HASH( 0, 0, 1, 0), HASH( 0, 0,-1, 0), HASH( 0, 1, 0, 0), HASH( 0,-1, 0, 0), HASH( 1, 0, 0, 0), HASH(-1, 0, 0, 0), 1514 1515HASH( 0, 0, 1, 1), HASH( 0, 0,-1,-1), HASH( 0, 1, 1, 0), HASH( 0,-1,-1, 0), HASH( 1, 1, 0, 0), HASH(-1,-1, 0, 0), HASH( 1, 0, 0, 1), HASH(-1, 0, 0,-1), 1516HASH( 0, 1, 0, 1), HASH( 0,-1, 0,-1), HASH( 1, 0, 1, 0), HASH(-1, 0,-1, 0), 1517HASH( 0, 0,-1, 1), HASH( 0, 0, 1,-1), HASH( 0,-1, 1, 0), HASH( 0, 1,-1, 0), HASH(-1, 1, 0, 0), HASH( 1,-1, 0, 0), HASH( 1, 0, 0,-1), HASH(-1, 0, 0, 1), 1518HASH( 0,-1, 0, 1), HASH( 0, 1, 0,-1), HASH(-1, 0, 1, 0), HASH( 1, 0,-1, 0), 1519 1520HASH( 0, 1, 1, 1), HASH( 0,-1,-1,-1), HASH( 1, 1, 1, 0), HASH(-1,-1,-1, 0), HASH( 1, 1, 0, 1), HASH(-1,-1, 0,-1), HASH( 1, 0, 1, 1), HASH(-1, 0,-1,-1), 1521HASH( 0,-1, 1, 1), HASH( 0, 1,-1,-1), HASH(-1, 1, 1, 0), HASH( 1,-1,-1, 0), HASH( 1, 1, 0,-1), HASH(-1,-1, 0, 1), HASH( 1, 0,-1, 1), HASH(-1, 0, 1,-1), 1522HASH( 0, 1,-1, 1), HASH( 0,-1, 1,-1), HASH( 1,-1, 1, 0), HASH(-1, 1,-1, 0), HASH(-1, 1, 0, 1), HASH( 1,-1, 0,-1), HASH( 1, 0, 1,-1), HASH(-1, 0,-1, 1), 1523HASH( 0, 1, 1,-1), HASH( 0,-1,-1, 1), HASH( 1, 1,-1, 0), HASH(-1,-1, 1, 0), HASH( 1,-1, 0, 1), HASH(-1, 1, 0,-1), HASH(-1, 0, 1, 1), HASH( 1, 0,-1,-1), 1524 1525HASH( 1, 1, 1, 1), HASH(-1,-1,-1,-1), 1526HASH( 1, 1, 1,-1), HASH(-1,-1,-1, 1), HASH( 1, 1,-1, 1), HASH(-1,-1, 1,-1), HASH( 1,-1, 1, 1), HASH(-1, 1,-1,-1), HASH(-1, 1, 1, 1), HASH( 1,-1,-1,-1), 1527HASH( 1, 1,-1,-1), HASH(-1,-1, 1, 1), HASH( 1,-1,-1, 1), HASH(-1, 1, 1,-1), HASH( 1,-1, 1,-1), HASH(-1, 1,-1, 1), 1528}; 1529 1530#define CHECK_BIDIR(fx,fy,bx,by)\ 1531 if( !map[(hashidx+HASH(fx,fy,bx,by))&255]\ 1532 &&(fx<=0 || motion_fx+fx<=xmax) && (fy<=0 || motion_fy+fy<=ymax) && (bx<=0 || motion_bx+bx<=xmax) && (by<=0 || motion_by+by<=ymax)\ 1533 &&(fx>=0 || motion_fx+fx>=xmin) && (fy>=0 || motion_fy+fy>=ymin) && (bx>=0 || motion_bx+bx>=xmin) && (by>=0 || motion_by+by>=ymin)){\ 1534 int score;\ 1535 map[(hashidx+HASH(fx,fy,bx,by))&255] = 1;\ 1536 score= check_bidir_mv(s, motion_fx+fx, motion_fy+fy, motion_bx+bx, motion_by+by, pred_fx, pred_fy, pred_bx, pred_by, 0, 16);\ 1537 if(score < fbmin){\ 1538 hashidx += HASH(fx,fy,bx,by);\ 1539 fbmin= score;\ 1540 motion_fx+=fx;\ 1541 motion_fy+=fy;\ 1542 motion_bx+=bx;\ 1543 motion_by+=by;\ 1544 end=0;\ 1545 }\ 1546 } 1547#define CHECK_BIDIR2(a,b,c,d)\ 1548CHECK_BIDIR(a,b,c,d)\ 1549CHECK_BIDIR(-(a),-(b),-(c),-(d)) 1550 1551 do{ 1552 int i; 1553 int borderdist=0; 1554 end=1; 1555 1556 CHECK_BIDIR2(0,0,0,1) 1557 CHECK_BIDIR2(0,0,1,0) 1558 CHECK_BIDIR2(0,1,0,0) 1559 CHECK_BIDIR2(1,0,0,0) 1560 1561 for(i=8; i<limit; i++){ 1562 int fx= motion_fx+vect[i][0]; 1563 int fy= motion_fy+vect[i][1]; 1564 int bx= motion_bx+vect[i][2]; 1565 int by= motion_by+vect[i][3]; 1566 if(borderdist<=0){ 1567 int a= (xmax - FFMAX(fx,bx))|(FFMIN(fx,bx) - xmin); 1568 int b= (ymax - FFMAX(fy,by))|(FFMIN(fy,by) - ymin); 1569 if((a|b) < 0) 1570 map[(hashidx+hash[i])&255] = 1; 1571 } 1572 if(!map[(hashidx+hash[i])&255]){ 1573 int score; 1574 map[(hashidx+hash[i])&255] = 1; 1575 score= check_bidir_mv(s, fx, fy, bx, by, pred_fx, pred_fy, pred_bx, pred_by, 0, 16); 1576 if(score < fbmin){ 1577 hashidx += hash[i]; 1578 fbmin= score; 1579 motion_fx=fx; 1580 motion_fy=fy; 1581 motion_bx=bx; 1582 motion_by=by; 1583 end=0; 1584 borderdist--; 1585 if(borderdist<=0){ 1586 int a= FFMIN(xmax - FFMAX(fx,bx), FFMIN(fx,bx) - xmin); 1587 int b= FFMIN(ymax - FFMAX(fy,by), FFMIN(fy,by) - ymin); 1588 borderdist= FFMIN(a,b); 1589 } 1590 } 1591 } 1592 } 1593 }while(!end); 1594 } 1595 1596 s->b_bidir_forw_mv_table[xy][0]= motion_fx; 1597 s->b_bidir_forw_mv_table[xy][1]= motion_fy; 1598 s->b_bidir_back_mv_table[xy][0]= motion_bx; 1599 s->b_bidir_back_mv_table[xy][1]= motion_by; 1600 1601 return fbmin; 1602} 1603 1604static inline int direct_search(MpegEncContext * s, int mb_x, int mb_y) 1605{ 1606 MotionEstContext * const c= &s->me; 1607 int P[10][2]; 1608 const int mot_stride = s->mb_stride; 1609 const int mot_xy = mb_y*mot_stride + mb_x; 1610 const int shift= 1+s->quarter_sample; 1611 int dmin, i; 1612 const int time_pp= s->pp_time; 1613 const int time_pb= s->pb_time; 1614 int mx, my, xmin, xmax, ymin, ymax; 1615 int16_t (*mv_table)[2]= s->b_direct_mv_table; 1616 1617 c->current_mv_penalty= c->mv_penalty[1] + MAX_MV; 1618 ymin= xmin=(-32)>>shift; 1619 ymax= xmax= 31>>shift; 1620 1621 if(IS_8X8(s->next_picture.mb_type[mot_xy])){ 1622 s->mv_type= MV_TYPE_8X8; 1623 }else{ 1624 s->mv_type= MV_TYPE_16X16; 1625 } 1626 1627 for(i=0; i<4; i++){ 1628 int index= s->block_index[i]; 1629 int min, max; 1630 1631 c->co_located_mv[i][0]= s->next_picture.motion_val[0][index][0]; 1632 c->co_located_mv[i][1]= s->next_picture.motion_val[0][index][1]; 1633 c->direct_basis_mv[i][0]= c->co_located_mv[i][0]*time_pb/time_pp + ((i& 1)<<(shift+3)); 1634 c->direct_basis_mv[i][1]= c->co_located_mv[i][1]*time_pb/time_pp + ((i>>1)<<(shift+3)); 1635// c->direct_basis_mv[1][i][0]= c->co_located_mv[i][0]*(time_pb - time_pp)/time_pp + ((i &1)<<(shift+3); 1636// c->direct_basis_mv[1][i][1]= c->co_located_mv[i][1]*(time_pb - time_pp)/time_pp + ((i>>1)<<(shift+3); 1637 1638 max= FFMAX(c->direct_basis_mv[i][0], c->direct_basis_mv[i][0] - c->co_located_mv[i][0])>>shift; 1639 min= FFMIN(c->direct_basis_mv[i][0], c->direct_basis_mv[i][0] - c->co_located_mv[i][0])>>shift; 1640 max+= 16*mb_x + 1; // +-1 is for the simpler rounding 1641 min+= 16*mb_x - 1; 1642 xmax= FFMIN(xmax, s->width - max); 1643 xmin= FFMAX(xmin, - 16 - min); 1644 1645 max= FFMAX(c->direct_basis_mv[i][1], c->direct_basis_mv[i][1] - c->co_located_mv[i][1])>>shift; 1646 min= FFMIN(c->direct_basis_mv[i][1], c->direct_basis_mv[i][1] - c->co_located_mv[i][1])>>shift; 1647 max+= 16*mb_y + 1; // +-1 is for the simpler rounding 1648 min+= 16*mb_y - 1; 1649 ymax= FFMIN(ymax, s->height - max); 1650 ymin= FFMAX(ymin, - 16 - min); 1651 1652 if(s->mv_type == MV_TYPE_16X16) break; 1653 } 1654 1655 assert(xmax <= 15 && ymax <= 15 && xmin >= -16 && ymin >= -16); 1656 1657 if(xmax < 0 || xmin >0 || ymax < 0 || ymin > 0){ 1658 s->b_direct_mv_table[mot_xy][0]= 0; 1659 s->b_direct_mv_table[mot_xy][1]= 0; 1660 1661 return 256*256*256*64; 1662 } 1663 1664 c->xmin= xmin; 1665 c->ymin= ymin; 1666 c->xmax= xmax; 1667 c->ymax= ymax; 1668 c->flags |= FLAG_DIRECT; 1669 c->sub_flags |= FLAG_DIRECT; 1670 c->pred_x=0; 1671 c->pred_y=0; 1672 1673 P_LEFT[0] = av_clip(mv_table[mot_xy - 1][0], xmin<<shift, xmax<<shift); 1674 P_LEFT[1] = av_clip(mv_table[mot_xy - 1][1], ymin<<shift, ymax<<shift); 1675 1676 /* special case for first line */ 1677 if (!s->first_slice_line) { //FIXME maybe allow this over thread boundary as it is clipped 1678 P_TOP[0] = av_clip(mv_table[mot_xy - mot_stride ][0], xmin<<shift, xmax<<shift); 1679 P_TOP[1] = av_clip(mv_table[mot_xy - mot_stride ][1], ymin<<shift, ymax<<shift); 1680 P_TOPRIGHT[0] = av_clip(mv_table[mot_xy - mot_stride + 1 ][0], xmin<<shift, xmax<<shift); 1681 P_TOPRIGHT[1] = av_clip(mv_table[mot_xy - mot_stride + 1 ][1], ymin<<shift, ymax<<shift); 1682 1683 P_MEDIAN[0]= mid_pred(P_LEFT[0], P_TOP[0], P_TOPRIGHT[0]); 1684 P_MEDIAN[1]= mid_pred(P_LEFT[1], P_TOP[1], P_TOPRIGHT[1]); 1685 } 1686 1687 dmin = ff_epzs_motion_search(s, &mx, &my, P, 0, 0, mv_table, 1<<(16-shift), 0, 16); 1688 if(c->sub_flags&FLAG_QPEL) 1689 dmin = qpel_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16); 1690 else 1691 dmin = hpel_motion_search(s, &mx, &my, dmin, 0, 0, 0, 16); 1692 1693 if(c->avctx->me_sub_cmp != c->avctx->mb_cmp && !c->skip) 1694 dmin= ff_get_mb_score(s, mx, my, 0, 0, 0, 16, 1); 1695 1696 get_limits(s, 16*mb_x, 16*mb_y); //restore c->?min/max, maybe not needed 1697 1698 mv_table[mot_xy][0]= mx; 1699 mv_table[mot_xy][1]= my; 1700 c->flags &= ~FLAG_DIRECT; 1701 c->sub_flags &= ~FLAG_DIRECT; 1702 1703 return dmin; 1704} 1705 1706void ff_estimate_b_frame_motion(MpegEncContext * s, 1707 int mb_x, int mb_y) 1708{ 1709 MotionEstContext * const c= &s->me; 1710 const int penalty_factor= c->mb_penalty_factor; 1711 int fmin, bmin, dmin, fbmin, bimin, fimin; 1712 int type=0; 1713 const int xy = mb_y*s->mb_stride + mb_x; 1714 init_ref(c, s->new_picture.data, s->last_picture.data, s->next_picture.data, 16*mb_x, 16*mb_y, 2); 1715 1716 get_limits(s, 16*mb_x, 16*mb_y); 1717 1718 c->skip=0; 1719 1720 if(s->codec_id == CODEC_ID_MPEG4 && s->next_picture.mbskip_table[xy]){ 1721 int score= direct_search(s, mb_x, mb_y); //FIXME just check 0,0 1722 1723 score= ((unsigned)(score*score + 128*256))>>16; 1724 c->mc_mb_var_sum_temp += score; 1725 s->current_picture.mc_mb_var[mb_y*s->mb_stride + mb_x] = score; //FIXME use SSE 1726 s->mb_type[mb_y*s->mb_stride + mb_x]= CANDIDATE_MB_TYPE_DIRECT0; 1727 1728 return; 1729 } 1730 1731 if(c->avctx->me_threshold){ 1732 int vard= check_input_motion(s, mb_x, mb_y, 0); 1733 1734 if((vard+128)>>8 < c->avctx->me_threshold){ 1735// pix = c->src[0][0]; 1736// sum = s->dsp.pix_sum(pix, s->linesize); 1737// varc = s->dsp.pix_norm1(pix, s->linesize) - (((unsigned)(sum*sum))>>8) + 500; 1738 1739// pic->mb_var [s->mb_stride * mb_y + mb_x] = (varc+128)>>8; 1740 s->current_picture.mc_mb_var[s->mb_stride * mb_y + mb_x] = (vard+128)>>8; 1741/* pic->mb_mean [s->mb_stride * mb_y + mb_x] = (sum+128)>>8; 1742 c->mb_var_sum_temp += (varc+128)>>8;*/ 1743 c->mc_mb_var_sum_temp += (vard+128)>>8; 1744/* if (vard <= 64<<8 || vard < varc) { 1745 c->scene_change_score+= ff_sqrt(vard) - ff_sqrt(varc); 1746 }else{ 1747 c->scene_change_score+= s->qscale * s->avctx->scenechange_factor; 1748 }*/ 1749 return; 1750 } 1751 if((vard+128)>>8 < c->avctx->mb_threshold){ 1752 type= s->mb_type[mb_y*s->mb_stride + mb_x]; 1753 if(type == CANDIDATE_MB_TYPE_DIRECT){ 1754 direct_search(s, mb_x, mb_y); 1755 } 1756 if(type == CANDIDATE_MB_TYPE_FORWARD || type == CANDIDATE_MB_TYPE_BIDIR){ 1757 c->skip=0; 1758 ff_estimate_motion_b(s, mb_x, mb_y, s->b_forw_mv_table, 0, s->f_code); 1759 } 1760 if(type == CANDIDATE_MB_TYPE_BACKWARD || type == CANDIDATE_MB_TYPE_BIDIR){ 1761 c->skip=0; 1762 ff_estimate_motion_b(s, mb_x, mb_y, s->b_back_mv_table, 2, s->b_code); 1763 } 1764 if(type == CANDIDATE_MB_TYPE_FORWARD_I || type == CANDIDATE_MB_TYPE_BIDIR_I){ 1765 c->skip=0; 1766 c->current_mv_penalty= c->mv_penalty[s->f_code] + MAX_MV; 1767 interlaced_search(s, 0, 1768 s->b_field_mv_table[0], s->b_field_select_table[0], 1769 s->b_forw_mv_table[xy][0], s->b_forw_mv_table[xy][1], 1); 1770 } 1771 if(type == CANDIDATE_MB_TYPE_BACKWARD_I || type == CANDIDATE_MB_TYPE_BIDIR_I){ 1772 c->skip=0; 1773 c->current_mv_penalty= c->mv_penalty[s->b_code] + MAX_MV; 1774 interlaced_search(s, 2, 1775 s->b_field_mv_table[1], s->b_field_select_table[1], 1776 s->b_back_mv_table[xy][0], s->b_back_mv_table[xy][1], 1); 1777 } 1778 return; 1779 } 1780 } 1781 1782 if (s->codec_id == CODEC_ID_MPEG4) 1783 dmin= direct_search(s, mb_x, mb_y); 1784 else 1785 dmin= INT_MAX; 1786//FIXME penalty stuff for non mpeg4 1787 c->skip=0; 1788 fmin= ff_estimate_motion_b(s, mb_x, mb_y, s->b_forw_mv_table, 0, s->f_code) + 3*penalty_factor; 1789 1790 c->skip=0; 1791 bmin= ff_estimate_motion_b(s, mb_x, mb_y, s->b_back_mv_table, 2, s->b_code) + 2*penalty_factor; 1792//printf(" %d %d ", s->b_forw_mv_table[xy][0], s->b_forw_mv_table[xy][1]); 1793 1794 c->skip=0; 1795 fbmin= bidir_refine(s, mb_x, mb_y) + penalty_factor; 1796//printf("%d %d %d %d\n", dmin, fmin, bmin, fbmin); 1797 1798 if(s->flags & CODEC_FLAG_INTERLACED_ME){ 1799//FIXME mb type penalty 1800 c->skip=0; 1801 c->current_mv_penalty= c->mv_penalty[s->f_code] + MAX_MV; 1802 fimin= interlaced_search(s, 0, 1803 s->b_field_mv_table[0], s->b_field_select_table[0], 1804 s->b_forw_mv_table[xy][0], s->b_forw_mv_table[xy][1], 0); 1805 c->current_mv_penalty= c->mv_penalty[s->b_code] + MAX_MV; 1806 bimin= interlaced_search(s, 2, 1807 s->b_field_mv_table[1], s->b_field_select_table[1], 1808 s->b_back_mv_table[xy][0], s->b_back_mv_table[xy][1], 0); 1809 }else 1810 fimin= bimin= INT_MAX; 1811 1812 { 1813 int score= fmin; 1814 type = CANDIDATE_MB_TYPE_FORWARD; 1815 1816 if (dmin <= score){ 1817 score = dmin; 1818 type = CANDIDATE_MB_TYPE_DIRECT; 1819 } 1820 if(bmin<score){ 1821 score=bmin; 1822 type= CANDIDATE_MB_TYPE_BACKWARD; 1823 } 1824 if(fbmin<score){ 1825 score=fbmin; 1826 type= CANDIDATE_MB_TYPE_BIDIR; 1827 } 1828 if(fimin<score){ 1829 score=fimin; 1830 type= CANDIDATE_MB_TYPE_FORWARD_I; 1831 } 1832 if(bimin<score){ 1833 score=bimin; 1834 type= CANDIDATE_MB_TYPE_BACKWARD_I; 1835 } 1836 1837 score= ((unsigned)(score*score + 128*256))>>16; 1838 c->mc_mb_var_sum_temp += score; 1839 s->current_picture.mc_mb_var[mb_y*s->mb_stride + mb_x] = score; //FIXME use SSE 1840 } 1841 1842 if(c->avctx->mb_decision > FF_MB_DECISION_SIMPLE){ 1843 type= CANDIDATE_MB_TYPE_FORWARD | CANDIDATE_MB_TYPE_BACKWARD | CANDIDATE_MB_TYPE_BIDIR | CANDIDATE_MB_TYPE_DIRECT; 1844 if(fimin < INT_MAX) 1845 type |= CANDIDATE_MB_TYPE_FORWARD_I; 1846 if(bimin < INT_MAX) 1847 type |= CANDIDATE_MB_TYPE_BACKWARD_I; 1848 if(fimin < INT_MAX && bimin < INT_MAX){ 1849 type |= CANDIDATE_MB_TYPE_BIDIR_I; 1850 } 1851 //FIXME something smarter 1852 if(dmin>256*256*16) type&= ~CANDIDATE_MB_TYPE_DIRECT; //do not try direct mode if it is invalid for this MB 1853 if(s->codec_id == CODEC_ID_MPEG4 && type&CANDIDATE_MB_TYPE_DIRECT && s->flags&CODEC_FLAG_MV0 && *(uint32_t*)s->b_direct_mv_table[xy]) 1854 type |= CANDIDATE_MB_TYPE_DIRECT0; 1855#if 0 1856 if(s->out_format == FMT_MPEG1) 1857 type |= CANDIDATE_MB_TYPE_INTRA; 1858#endif 1859 } 1860 1861 s->mb_type[mb_y*s->mb_stride + mb_x]= type; 1862} 1863 1864/* find best f_code for ME which do unlimited searches */ 1865int ff_get_best_fcode(MpegEncContext * s, int16_t (*mv_table)[2], int type) 1866{ 1867 if(s->me_method>=ME_EPZS){ 1868 int score[8]; 1869 int i, y, range= s->avctx->me_range ? s->avctx->me_range : (INT_MAX/2); 1870 uint8_t * fcode_tab= s->fcode_tab; 1871 int best_fcode=-1; 1872 int best_score=-10000000; 1873 1874 if(s->msmpeg4_version) 1875 range= FFMIN(range, 16); 1876 else if(s->codec_id == CODEC_ID_MPEG2VIDEO && s->avctx->strict_std_compliance >= FF_COMPLIANCE_NORMAL) 1877 range= FFMIN(range, 256); 1878 1879 for(i=0; i<8; i++) score[i]= s->mb_num*(8-i); 1880 1881 for(y=0; y<s->mb_height; y++){ 1882 int x; 1883 int xy= y*s->mb_stride; 1884 for(x=0; x<s->mb_width; x++){ 1885 if(s->mb_type[xy] & type){ 1886 int mx= mv_table[xy][0]; 1887 int my= mv_table[xy][1]; 1888 int fcode= FFMAX(fcode_tab[mx + MAX_MV], 1889 fcode_tab[my + MAX_MV]); 1890 int j; 1891 1892 if(mx >= range || mx < -range || 1893 my >= range || my < -range) 1894 continue; 1895 1896 for(j=0; j<fcode && j<8; j++){ 1897 if(s->pict_type==FF_B_TYPE || s->current_picture.mc_mb_var[xy] < s->current_picture.mb_var[xy]) 1898 score[j]-= 170; 1899 } 1900 } 1901 xy++; 1902 } 1903 } 1904 1905 for(i=1; i<8; i++){ 1906 if(score[i] > best_score){ 1907 best_score= score[i]; 1908 best_fcode= i; 1909 } 1910// printf("%d %d\n", i, score[i]); 1911 } 1912 1913// printf("fcode: %d type: %d\n", i, s->pict_type); 1914 return best_fcode; 1915/* for(i=0; i<=MAX_FCODE; i++){ 1916 printf("%d ", mv_num[i]); 1917 } 1918 printf("\n");*/ 1919 }else{ 1920 return 1; 1921 } 1922} 1923 1924void ff_fix_long_p_mvs(MpegEncContext * s) 1925{ 1926 MotionEstContext * const c= &s->me; 1927 const int f_code= s->f_code; 1928 int y, range; 1929 assert(s->pict_type==FF_P_TYPE); 1930 1931 range = (((s->out_format == FMT_MPEG1 || s->msmpeg4_version) ? 8 : 16) << f_code); 1932 1933 assert(range <= 16 || !s->msmpeg4_version); 1934 assert(range <=256 || !(s->codec_id == CODEC_ID_MPEG2VIDEO && s->avctx->strict_std_compliance >= FF_COMPLIANCE_NORMAL)); 1935 1936 if(c->avctx->me_range && range > c->avctx->me_range) range= c->avctx->me_range; 1937 1938//printf("%d no:%d %d//\n", clip, noclip, f_code); 1939 if(s->flags&CODEC_FLAG_4MV){ 1940 const int wrap= s->b8_stride; 1941 1942 /* clip / convert to intra 8x8 type MVs */ 1943 for(y=0; y<s->mb_height; y++){ 1944 int xy= y*2*wrap; 1945 int i= y*s->mb_stride; 1946 int x; 1947 1948 for(x=0; x<s->mb_width; x++){ 1949 if(s->mb_type[i]&CANDIDATE_MB_TYPE_INTER4V){ 1950 int block; 1951 for(block=0; block<4; block++){ 1952 int off= (block& 1) + (block>>1)*wrap; 1953 int mx= s->current_picture.motion_val[0][ xy + off ][0]; 1954 int my= s->current_picture.motion_val[0][ xy + off ][1]; 1955 1956 if( mx >=range || mx <-range 1957 || my >=range || my <-range){ 1958 s->mb_type[i] &= ~CANDIDATE_MB_TYPE_INTER4V; 1959 s->mb_type[i] |= CANDIDATE_MB_TYPE_INTRA; 1960 s->current_picture.mb_type[i]= CANDIDATE_MB_TYPE_INTRA; 1961 } 1962 } 1963 } 1964 xy+=2; 1965 i++; 1966 } 1967 } 1968 } 1969} 1970 1971/** 1972 * 1973 * @param truncate 1 for truncation, 0 for using intra 1974 */ 1975void ff_fix_long_mvs(MpegEncContext * s, uint8_t *field_select_table, int field_select, 1976 int16_t (*mv_table)[2], int f_code, int type, int truncate) 1977{ 1978 MotionEstContext * const c= &s->me; 1979 int y, h_range, v_range; 1980 1981 // RAL: 8 in MPEG-1, 16 in MPEG-4 1982 int range = (((s->out_format == FMT_MPEG1 || s->msmpeg4_version) ? 8 : 16) << f_code); 1983 1984 if(c->avctx->me_range && range > c->avctx->me_range) range= c->avctx->me_range; 1985 1986 h_range= range; 1987 v_range= field_select_table ? range>>1 : range; 1988 1989 /* clip / convert to intra 16x16 type MVs */ 1990 for(y=0; y<s->mb_height; y++){ 1991 int x; 1992 int xy= y*s->mb_stride; 1993 for(x=0; x<s->mb_width; x++){ 1994 if (s->mb_type[xy] & type){ // RAL: "type" test added... 1995 if(field_select_table==NULL || field_select_table[xy] == field_select){ 1996 if( mv_table[xy][0] >=h_range || mv_table[xy][0] <-h_range 1997 || mv_table[xy][1] >=v_range || mv_table[xy][1] <-v_range){ 1998 1999 if(truncate){ 2000 if (mv_table[xy][0] > h_range-1) mv_table[xy][0]= h_range-1; 2001 else if(mv_table[xy][0] < -h_range ) mv_table[xy][0]= -h_range; 2002 if (mv_table[xy][1] > v_range-1) mv_table[xy][1]= v_range-1; 2003 else if(mv_table[xy][1] < -v_range ) mv_table[xy][1]= -v_range; 2004 }else{ 2005 s->mb_type[xy] &= ~type; 2006 s->mb_type[xy] |= CANDIDATE_MB_TYPE_INTRA; 2007 mv_table[xy][0]= 2008 mv_table[xy][1]= 0; 2009 } 2010 } 2011 } 2012 } 2013 xy++; 2014 } 2015 } 2016} 2017