1 /*****************************************************************************
2 * macroblock.c: h264 encoder library
3 *****************************************************************************
4 * Copyright (C) 2003-2008 x264 project
6 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
7 * Loren Merritt <lorenm@u.washington.edu>
8 * Fiona Glaser <fiona@x264.com>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
23 *****************************************************************************/
26 #include "encoder/me.h"
28 void x264_mb_predict_mv( x264_t *h, int i_list, int idx, int i_width, int16_t mvp[2] )
30 const int i8 = x264_scan8[idx];
31 const int i_ref= h->mb.cache.ref[i_list][i8];
32 int i_refa = h->mb.cache.ref[i_list][i8 - 1];
33 int16_t *mv_a = h->mb.cache.mv[i_list][i8 - 1];
34 int i_refb = h->mb.cache.ref[i_list][i8 - 8];
35 int16_t *mv_b = h->mb.cache.mv[i_list][i8 - 8];
36 int i_refc = h->mb.cache.ref[i_list][i8 - 8 + i_width ];
37 int16_t *mv_c = h->mb.cache.mv[i_list][i8 - 8 + i_width];
41 if( (idx&3) >= 2 + (i_width&1) || i_refc == -2 )
43 i_refc = h->mb.cache.ref[i_list][i8 - 8 - 1];
44 mv_c = h->mb.cache.mv[i_list][i8 - 8 - 1];
47 if( h->mb.i_partition == D_16x8 )
53 *(uint32_t*)mvp = *(uint32_t*)mv_b;
61 *(uint32_t*)mvp = *(uint32_t*)mv_a;
66 else if( h->mb.i_partition == D_8x16 )
72 *(uint32_t*)mvp = *(uint32_t*)mv_a;
80 *(uint32_t*)mvp = *(uint32_t*)mv_c;
86 if( i_refa == i_ref ) i_count++;
87 if( i_refb == i_ref ) i_count++;
88 if( i_refc == i_ref ) i_count++;
93 x264_median_mv( mvp, mv_a, mv_b, mv_c );
95 else if( i_count == 1 )
98 *(uint32_t*)mvp = *(uint32_t*)mv_a;
99 else if( i_refb == i_ref )
100 *(uint32_t*)mvp = *(uint32_t*)mv_b;
102 *(uint32_t*)mvp = *(uint32_t*)mv_c;
104 else if( i_refb == -2 && i_refc == -2 && i_refa != -2 )
105 *(uint32_t*)mvp = *(uint32_t*)mv_a;
110 void x264_mb_predict_mv_16x16( x264_t *h, int i_list, int i_ref, int16_t mvp[2] )
112 int i_refa = h->mb.cache.ref[i_list][X264_SCAN8_0 - 1];
113 int16_t *mv_a = h->mb.cache.mv[i_list][X264_SCAN8_0 - 1];
114 int i_refb = h->mb.cache.ref[i_list][X264_SCAN8_0 - 8];
115 int16_t *mv_b = h->mb.cache.mv[i_list][X264_SCAN8_0 - 8];
116 int i_refc = h->mb.cache.ref[i_list][X264_SCAN8_0 - 8 + 4];
117 int16_t *mv_c = h->mb.cache.mv[i_list][X264_SCAN8_0 - 8 + 4];
123 i_refc = h->mb.cache.ref[i_list][X264_SCAN8_0 - 8 - 1];
124 mv_c = h->mb.cache.mv[i_list][X264_SCAN8_0 - 8 - 1];
127 if( i_refa == i_ref ) i_count++;
128 if( i_refb == i_ref ) i_count++;
129 if( i_refc == i_ref ) i_count++;
134 x264_median_mv( mvp, mv_a, mv_b, mv_c );
136 else if( i_count == 1 )
138 if( i_refa == i_ref )
139 *(uint32_t*)mvp = *(uint32_t*)mv_a;
140 else if( i_refb == i_ref )
141 *(uint32_t*)mvp = *(uint32_t*)mv_b;
143 *(uint32_t*)mvp = *(uint32_t*)mv_c;
145 else if( i_refb == -2 && i_refc == -2 && i_refa != -2 )
146 *(uint32_t*)mvp = *(uint32_t*)mv_a;
152 void x264_mb_predict_mv_pskip( x264_t *h, int16_t mv[2] )
154 int i_refa = h->mb.cache.ref[0][X264_SCAN8_0 - 1];
155 int i_refb = h->mb.cache.ref[0][X264_SCAN8_0 - 8];
156 int16_t *mv_a = h->mb.cache.mv[0][X264_SCAN8_0 - 1];
157 int16_t *mv_b = h->mb.cache.mv[0][X264_SCAN8_0 - 8];
159 if( i_refa == -2 || i_refb == -2 ||
160 !( i_refa | *(uint32_t*)mv_a ) ||
161 !( i_refb | *(uint32_t*)mv_b ) )
167 x264_mb_predict_mv_16x16( h, 0, 0, mv );
171 static int x264_mb_predict_mv_direct16x16_temporal( x264_t *h )
173 int i_mb_4x4 = 16 * h->mb.i_mb_stride * h->mb.i_mb_y + 4 * h->mb.i_mb_x;
174 int i_mb_8x8 = 4 * h->mb.i_mb_stride * h->mb.i_mb_y + 2 * h->mb.i_mb_x;
176 const int type_col = h->fref1[0]->mb_type[ h->mb.i_mb_xy ];
178 x264_macroblock_cache_ref( h, 0, 0, 4, 4, 1, 0 );
180 if( IS_INTRA( type_col ) )
182 x264_macroblock_cache_ref( h, 0, 0, 4, 4, 0, 0 );
183 x264_macroblock_cache_mv( h, 0, 0, 4, 4, 0, 0 );
184 x264_macroblock_cache_mv( h, 0, 0, 4, 4, 1, 0 );
188 for( i8 = 0; i8 < 4; i8++ )
192 const int i_part_8x8 = i_mb_8x8 + x8 + y8 * h->mb.i_b8_stride;
193 const int i_ref = h->mb.map_col_to_list0[ h->fref1[0]->ref[0][ i_part_8x8 ] ];
197 const int dist_scale_factor = h->mb.dist_scale_factor[i_ref][0];
198 const int16_t *mv_col = h->fref1[0]->mv[0][ i_mb_4x4 + 3*x8 + 3*y8 * h->mb.i_b4_stride];
199 const int l0x = ( dist_scale_factor * mv_col[0] + 128 ) >> 8;
200 const int l0y = ( dist_scale_factor * mv_col[1] + 128 ) >> 8;
201 if( h->param.i_threads > 1 && (l0y > h->mb.mv_max_spel[1] || l0y-mv_col[1] > h->mb.mv_max_spel[1]) )
203 x264_macroblock_cache_ref( h, 2*x8, 2*y8, 2, 2, 0, i_ref );
204 x264_macroblock_cache_mv( h, 2*x8, 2*y8, 2, 2, 0, pack16to32_mask(l0x, l0y) );
205 x264_macroblock_cache_mv( h, 2*x8, 2*y8, 2, 2, 1, pack16to32_mask(l0x-mv_col[0], l0y-mv_col[1]) );
209 /* the collocated ref isn't in the current list0 */
210 /* FIXME: we might still be able to use direct_8x8 on some partitions */
211 /* FIXME: with B-pyramid + extensive ref list reordering
212 * (not currently used), we would also have to check
213 * l1mv1 like in spatial mode */
221 static int x264_mb_predict_mv_direct16x16_spatial( x264_t *h )
224 ALIGNED_8( int16_t mv[2][2] );
227 const int8_t *l1ref0 = &h->fref1[0]->ref[0][ h->mb.i_b8_xy ];
228 const int8_t *l1ref1 = &h->fref1[0]->ref[1][ h->mb.i_b8_xy ];
229 const int16_t (*l1mv0)[2] = (const int16_t (*)[2]) &h->fref1[0]->mv[0][ h->mb.i_b4_xy ];
230 const int16_t (*l1mv1)[2] = (const int16_t (*)[2]) &h->fref1[0]->mv[1][ h->mb.i_b4_xy ];
231 const int type_col = h->fref1[0]->mb_type[ h->mb.i_mb_xy ];
233 for( i_list=0; i_list<2; i_list++ )
235 int i_refa = h->mb.cache.ref[i_list][X264_SCAN8_0 - 1];
236 int i_refb = h->mb.cache.ref[i_list][X264_SCAN8_0 - 8];
237 int i_refc = h->mb.cache.ref[i_list][X264_SCAN8_0 - 8 + 4];
239 i_refc = h->mb.cache.ref[i_list][X264_SCAN8_0 - 8 - 1];
241 ref[i_list] = i_refa;
242 if( ref[i_list] < 0 || ( i_refb < ref[i_list] && i_refb >= 0 ))
243 ref[i_list] = i_refb;
244 if( ref[i_list] < 0 || ( i_refc < ref[i_list] && i_refc >= 0 ))
245 ref[i_list] = i_refc;
246 if( ref[i_list] < 0 )
250 if( ref[0] < 0 && ref[1] < 0 )
252 x264_macroblock_cache_ref( h, 0, 0, 4, 4, 0, 0 );
253 x264_macroblock_cache_ref( h, 0, 0, 4, 4, 1, 0 );
254 x264_macroblock_cache_mv( h, 0, 0, 4, 4, 0, 0 );
255 x264_macroblock_cache_mv( h, 0, 0, 4, 4, 1, 0 );
260 x264_mb_predict_mv_16x16( h, 0, ref[0], mv[0] );
262 *(uint32_t*)mv[0] = 0;
264 x264_mb_predict_mv_16x16( h, 1, ref[1], mv[1] );
266 *(uint32_t*)mv[1] = 0;
268 x264_macroblock_cache_ref( h, 0, 0, 4, 4, 0, ref[0] );
269 x264_macroblock_cache_ref( h, 0, 0, 4, 4, 1, ref[1] );
270 x264_macroblock_cache_mv_ptr( h, 0, 0, 4, 4, 0, mv[0] );
271 x264_macroblock_cache_mv_ptr( h, 0, 0, 4, 4, 1, mv[1] );
273 if( h->param.i_threads > 1
274 && ( mv[0][1] > h->mb.mv_max_spel[1]
275 || mv[1][1] > h->mb.mv_max_spel[1] ) )
278 fprintf(stderr, "direct_spatial: (%d,%d) (%d,%d) > %d \n",
279 mv[0][0], mv[0][1], mv[1][0], mv[1][1],
280 h->mb.mv_max_spel[1]);
285 if( IS_INTRA( type_col ) || (ref[0]&&ref[1]) )
289 for( i8=0; i8<4; i8++ )
293 const int o8 = x8 + y8 * h->mb.i_b8_stride;
294 const int o4 = 3*(x8 + y8 * h->mb.i_b4_stride);
295 if( l1ref0[o8] == 0 )
297 if( abs( l1mv0[o4][0] ) <= 1 && abs( l1mv0[o4][1] ) <= 1 )
299 if( ref[0] == 0 ) x264_macroblock_cache_mv( h, 2*x8, 2*y8, 2, 2, 0, 0 );
300 if( ref[1] == 0 ) x264_macroblock_cache_mv( h, 2*x8, 2*y8, 2, 2, 1, 0 );
303 else if( l1ref0[o8] < 0 && l1ref1[o8] == 0 )
305 if( abs( l1mv1[o4][0] ) <= 1 && abs( l1mv1[o4][1] ) <= 1 )
307 if( ref[0] == 0 ) x264_macroblock_cache_mv( h, 2*x8, 2*y8, 2, 2, 0, 0 );
308 if( ref[1] == 0 ) x264_macroblock_cache_mv( h, 2*x8, 2*y8, 2, 2, 1, 0 );
316 int x264_mb_predict_mv_direct16x16( x264_t *h, int *b_changed )
319 if( h->param.analyse.i_direct_mv_pred == X264_DIRECT_PRED_NONE )
321 else if( h->sh.b_direct_spatial_mv_pred )
322 b_available = x264_mb_predict_mv_direct16x16_spatial( h );
324 b_available = x264_mb_predict_mv_direct16x16_temporal( h );
326 if( b_changed != NULL && b_available )
328 int type_col = h->fref1[0]->mb_type[ h->mb.i_mb_xy ];
329 if( IS_INTRA(type_col) || type_col == P_SKIP )
331 *b_changed = h->mb.cache.direct_ref[0][0] != h->mb.cache.ref[0][X264_SCAN8_0]
332 || h->mb.cache.direct_ref[1][0] != h->mb.cache.ref[1][X264_SCAN8_0]
333 || *(uint32_t*)h->mb.cache.direct_mv[0][X264_SCAN8_0] != *(uint32_t*)h->mb.cache.mv[0][X264_SCAN8_0]
334 || *(uint32_t*)h->mb.cache.direct_mv[1][X264_SCAN8_0] != *(uint32_t*)h->mb.cache.mv[1][X264_SCAN8_0];
340 for( l = 0; l < 2; l++ )
341 for( i = 0; i < 4; i++ )
342 *b_changed |= h->mb.cache.direct_ref[l][i] != h->mb.cache.ref[l][x264_scan8[i*4]];
343 *b_changed = *b_changed || memcmp(h->mb.cache.direct_mv, h->mb.cache.mv, sizeof(h->mb.cache.mv));
353 for( l = 0; l < 2; l++ )
354 for( i = 0; i < 4; i++ )
355 h->mb.cache.direct_ref[l][i] = h->mb.cache.ref[l][x264_scan8[i*4]];
356 h->mc.memcpy_aligned(h->mb.cache.direct_mv, h->mb.cache.mv, sizeof(h->mb.cache.mv));
362 void x264_mb_load_mv_direct8x8( x264_t *h, int idx )
364 const int x = 2*(idx%2);
365 const int y = 2*(idx/2);
366 x264_macroblock_cache_ref( h, x, y, 2, 2, 0, h->mb.cache.direct_ref[0][idx] );
367 x264_macroblock_cache_ref( h, x, y, 2, 2, 1, h->mb.cache.direct_ref[1][idx] );
368 *(uint64_t*)h->mb.cache.mv[0][x264_scan8[idx*4]] =
369 *(uint64_t*)h->mb.cache.direct_mv[0][x264_scan8[idx*4]];
370 *(uint64_t*)h->mb.cache.mv[0][x264_scan8[idx*4]+8] =
371 *(uint64_t*)h->mb.cache.direct_mv[0][x264_scan8[idx*4]+8];
372 *(uint64_t*)h->mb.cache.mv[1][x264_scan8[idx*4]] =
373 *(uint64_t*)h->mb.cache.direct_mv[1][x264_scan8[idx*4]];
374 *(uint64_t*)h->mb.cache.mv[1][x264_scan8[idx*4]+8] =
375 *(uint64_t*)h->mb.cache.direct_mv[1][x264_scan8[idx*4]+8];
378 /* This just improves encoder performance, it's not part of the spec */
379 void x264_mb_predict_mv_ref16x16( x264_t *h, int i_list, int i_ref, int16_t mvc[9][2], int *i_mvc )
381 int16_t (*mvr)[2] = h->mb.mvr[i_list][i_ref];
384 #define SET_MVP(mvp) { \
385 *(uint32_t*)mvc[i] = *(uint32_t*)mvp; \
390 if( h->sh.i_type == SLICE_TYPE_B
391 && h->mb.cache.ref[i_list][x264_scan8[12]] == i_ref )
393 SET_MVP( h->mb.cache.mv[i_list][x264_scan8[12]] );
396 if( i_ref == 0 && h->frames.b_have_lowres )
398 int16_t (*lowres_mv)[2] = i_list ? h->fenc->lowres_mvs[1][h->fref1[0]->i_frame-h->fenc->i_frame-1]
399 : h->fenc->lowres_mvs[0][h->fenc->i_frame-h->fref0[0]->i_frame-1];
400 if( lowres_mv[0][0] != 0x7fff ) *(uint32_t*)mvc[i++] = (*(uint32_t*)lowres_mv[h->mb.i_mb_xy]*2)&0xfffeffff;
403 /* spatial predictors */
404 if( h->mb.i_neighbour & MB_LEFT )
406 int i_mb_l = h->mb.i_mb_xy - 1;
407 /* skip MBs didn't go through the whole search process, so mvr is undefined */
408 if( !IS_SKIP( h->mb.type[i_mb_l] ) )
409 SET_MVP( mvr[i_mb_l] );
411 if( h->mb.i_neighbour & MB_TOP )
413 int i_mb_t = h->mb.i_mb_top_xy;
414 if( !IS_SKIP( h->mb.type[i_mb_t] ) )
415 SET_MVP( mvr[i_mb_t] );
417 if( h->mb.i_neighbour & MB_TOPLEFT && !IS_SKIP( h->mb.type[i_mb_t - 1] ) )
418 SET_MVP( mvr[i_mb_t-1] );
419 if( h->mb.i_mb_x < h->mb.i_mb_stride - 1 && !IS_SKIP( h->mb.type[i_mb_t + 1] ) )
420 SET_MVP( mvr[i_mb_t+1] );
424 /* temporal predictors */
425 /* FIXME temporal scaling w/ interlace */
426 if( h->fref0[0]->i_ref[0] > 0 && !h->sh.b_mbaff )
428 x264_frame_t *l0 = h->fref0[0];
430 #define SET_TMVP(dx, dy) { \
431 int i_b4 = h->mb.i_b4_xy + dx*4 + dy*4*h->mb.i_b4_stride; \
432 int i_b8 = h->mb.i_b8_xy + dx*2 + dy*2*h->mb.i_b8_stride; \
433 int ref_col = l0->ref[0][i_b8]; \
436 int scale = (h->fdec->i_poc - h->fdec->ref_poc[0][i_ref]) * l0->inv_ref_poc[ref_col];\
437 mvc[i][0] = (l0->mv[0][i_b4][0]*scale + 128) >> 8;\
438 mvc[i][1] = (l0->mv[0][i_b4][1]*scale + 128) >> 8;\
444 if( h->mb.i_mb_x < h->sps->i_mb_width-1 )
446 if( h->mb.i_mb_y < h->sps->i_mb_height-1 )
454 /* Set up a lookup table for delta pocs to reduce an IDIV to an IMUL */
455 static void setup_inverse_delta_pocs( x264_t *h )
458 for( i = 0; i < h->i_ref0; i++ )
460 int delta = h->fdec->i_poc - h->fref0[i]->i_poc;
461 h->fdec->inv_ref_poc[i] = (256 + delta/2) / delta;
465 static inline void x264_mb_mc_0xywh( x264_t *h, int x, int y, int width, int height )
467 const int i8 = x264_scan8[0]+x+8*y;
468 const int i_ref = h->mb.cache.ref[0][i8];
469 const int mvx = x264_clip3( h->mb.cache.mv[0][i8][0], h->mb.mv_min[0], h->mb.mv_max[0] );
470 int mvy = x264_clip3( h->mb.cache.mv[0][i8][1], h->mb.mv_min[1], h->mb.mv_max[1] );
472 h->mc.mc_luma( &h->mb.pic.p_fdec[0][4*y*FDEC_STRIDE+4*x], FDEC_STRIDE,
473 h->mb.pic.p_fref[0][i_ref], h->mb.pic.i_stride[0],
474 mvx + 4*4*x, mvy + 4*4*y, 4*width, 4*height );
476 // chroma is offset if MCing from a field of opposite parity
477 if( h->mb.b_interlaced & i_ref )
478 mvy += (h->mb.i_mb_y & 1)*4 - 2;
480 h->mc.mc_chroma( &h->mb.pic.p_fdec[1][2*y*FDEC_STRIDE+2*x], FDEC_STRIDE,
481 &h->mb.pic.p_fref[0][i_ref][4][2*y*h->mb.pic.i_stride[1]+2*x], h->mb.pic.i_stride[1],
482 mvx, mvy, 2*width, 2*height );
484 h->mc.mc_chroma( &h->mb.pic.p_fdec[2][2*y*FDEC_STRIDE+2*x], FDEC_STRIDE,
485 &h->mb.pic.p_fref[0][i_ref][5][2*y*h->mb.pic.i_stride[2]+2*x], h->mb.pic.i_stride[2],
486 mvx, mvy, 2*width, 2*height );
488 static inline void x264_mb_mc_1xywh( x264_t *h, int x, int y, int width, int height )
490 const int i8 = x264_scan8[0]+x+8*y;
491 const int i_ref = h->mb.cache.ref[1][i8];
492 const int mvx = x264_clip3( h->mb.cache.mv[1][i8][0], h->mb.mv_min[0], h->mb.mv_max[0] );
493 int mvy = x264_clip3( h->mb.cache.mv[1][i8][1], h->mb.mv_min[1], h->mb.mv_max[1] );
495 h->mc.mc_luma( &h->mb.pic.p_fdec[0][4*y*FDEC_STRIDE+4*x], FDEC_STRIDE,
496 h->mb.pic.p_fref[1][i_ref], h->mb.pic.i_stride[0],
497 mvx + 4*4*x, mvy + 4*4*y, 4*width, 4*height );
499 if( h->mb.b_interlaced & i_ref )
500 mvy += (h->mb.i_mb_y & 1)*4 - 2;
502 h->mc.mc_chroma( &h->mb.pic.p_fdec[1][2*y*FDEC_STRIDE+2*x], FDEC_STRIDE,
503 &h->mb.pic.p_fref[1][i_ref][4][2*y*h->mb.pic.i_stride[1]+2*x], h->mb.pic.i_stride[1],
504 mvx, mvy, 2*width, 2*height );
506 h->mc.mc_chroma( &h->mb.pic.p_fdec[2][2*y*FDEC_STRIDE+2*x], FDEC_STRIDE,
507 &h->mb.pic.p_fref[1][i_ref][5][2*y*h->mb.pic.i_stride[2]+2*x], h->mb.pic.i_stride[2],
508 mvx, mvy, 2*width, 2*height );
511 static inline void x264_mb_mc_01xywh( x264_t *h, int x, int y, int width, int height )
513 const int i8 = x264_scan8[0]+x+8*y;
514 const int i_ref0 = h->mb.cache.ref[0][i8];
515 const int i_ref1 = h->mb.cache.ref[1][i8];
516 const int weight = h->mb.bipred_weight[i_ref0][i_ref1];
517 const int mvx0 = x264_clip3( h->mb.cache.mv[0][i8][0], h->mb.mv_min[0], h->mb.mv_max[0] );
518 const int mvx1 = x264_clip3( h->mb.cache.mv[1][i8][0], h->mb.mv_min[0], h->mb.mv_max[0] );
519 int mvy0 = x264_clip3( h->mb.cache.mv[0][i8][1], h->mb.mv_min[1], h->mb.mv_max[1] );
520 int mvy1 = x264_clip3( h->mb.cache.mv[1][i8][1], h->mb.mv_min[1], h->mb.mv_max[1] );
521 int i_mode = x264_size2pixel[height][width];
522 int i_stride0 = 16, i_stride1 = 16;
523 ALIGNED_ARRAY_16( uint8_t, tmp0,[16*16] );
524 ALIGNED_ARRAY_16( uint8_t, tmp1,[16*16] );
525 uint8_t *src0, *src1;
527 src0 = h->mc.get_ref( tmp0, &i_stride0, h->mb.pic.p_fref[0][i_ref0], h->mb.pic.i_stride[0],
528 mvx0 + 4*4*x, mvy0 + 4*4*y, 4*width, 4*height );
529 src1 = h->mc.get_ref( tmp1, &i_stride1, h->mb.pic.p_fref[1][i_ref1], h->mb.pic.i_stride[0],
530 mvx1 + 4*4*x, mvy1 + 4*4*y, 4*width, 4*height );
531 h->mc.avg[i_mode]( &h->mb.pic.p_fdec[0][4*y*FDEC_STRIDE+4*x], FDEC_STRIDE,
532 src0, i_stride0, src1, i_stride1, weight );
534 if( h->mb.b_interlaced & i_ref0 )
535 mvy0 += (h->mb.i_mb_y & 1)*4 - 2;
536 if( h->mb.b_interlaced & i_ref1 )
537 mvy1 += (h->mb.i_mb_y & 1)*4 - 2;
539 h->mc.mc_chroma( tmp0, 16, &h->mb.pic.p_fref[0][i_ref0][4][2*y*h->mb.pic.i_stride[1]+2*x], h->mb.pic.i_stride[1],
540 mvx0, mvy0, 2*width, 2*height );
541 h->mc.mc_chroma( tmp1, 16, &h->mb.pic.p_fref[1][i_ref1][4][2*y*h->mb.pic.i_stride[1]+2*x], h->mb.pic.i_stride[1],
542 mvx1, mvy1, 2*width, 2*height );
543 h->mc.avg[i_mode+3]( &h->mb.pic.p_fdec[1][2*y*FDEC_STRIDE+2*x], FDEC_STRIDE, tmp0, 16, tmp1, 16, weight );
544 h->mc.mc_chroma( tmp0, 16, &h->mb.pic.p_fref[0][i_ref0][5][2*y*h->mb.pic.i_stride[2]+2*x], h->mb.pic.i_stride[2],
545 mvx0, mvy0, 2*width, 2*height );
546 h->mc.mc_chroma( tmp1, 16, &h->mb.pic.p_fref[1][i_ref1][5][2*y*h->mb.pic.i_stride[2]+2*x], h->mb.pic.i_stride[2],
547 mvx1, mvy1, 2*width, 2*height );
548 h->mc.avg[i_mode+3]( &h->mb.pic.p_fdec[2][2*y*FDEC_STRIDE+2*x], FDEC_STRIDE, tmp0, 16, tmp1, 16, weight );
551 static void x264_mb_mc_direct8x8( x264_t *h, int x, int y )
553 const int i8 = x264_scan8[0] + x + 8*y;
555 if( h->mb.cache.ref[0][i8] >= 0 )
556 if( h->mb.cache.ref[1][i8] >= 0 )
557 x264_mb_mc_01xywh( h, x, y, 2, 2 );
559 x264_mb_mc_0xywh( h, x, y, 2, 2 );
561 x264_mb_mc_1xywh( h, x, y, 2, 2 );
564 void x264_mb_mc_8x8( x264_t *h, int i8 )
566 const int x = 2*(i8&1);
567 const int y = 2*(i8>>1);
568 switch( h->mb.i_sub_partition[i8] )
571 x264_mb_mc_0xywh( h, x, y, 2, 2 );
574 x264_mb_mc_0xywh( h, x, y+0, 2, 1 );
575 x264_mb_mc_0xywh( h, x, y+1, 2, 1 );
578 x264_mb_mc_0xywh( h, x+0, y, 1, 2 );
579 x264_mb_mc_0xywh( h, x+1, y, 1, 2 );
582 x264_mb_mc_0xywh( h, x+0, y+0, 1, 1 );
583 x264_mb_mc_0xywh( h, x+1, y+0, 1, 1 );
584 x264_mb_mc_0xywh( h, x+0, y+1, 1, 1 );
585 x264_mb_mc_0xywh( h, x+1, y+1, 1, 1 );
588 x264_mb_mc_1xywh( h, x, y, 2, 2 );
591 x264_mb_mc_01xywh( h, x, y, 2, 2 );
594 x264_mb_mc_direct8x8( h, x, y );
599 void x264_mb_mc( x264_t *h )
601 if( h->mb.i_type == P_L0 )
603 if( h->mb.i_partition == D_16x16 )
605 x264_mb_mc_0xywh( h, 0, 0, 4, 4 );
607 else if( h->mb.i_partition == D_16x8 )
609 x264_mb_mc_0xywh( h, 0, 0, 4, 2 );
610 x264_mb_mc_0xywh( h, 0, 2, 4, 2 );
612 else if( h->mb.i_partition == D_8x16 )
614 x264_mb_mc_0xywh( h, 0, 0, 2, 4 );
615 x264_mb_mc_0xywh( h, 2, 0, 2, 4 );
618 else if( h->mb.i_type == P_8x8 || h->mb.i_type == B_8x8 )
621 for( i = 0; i < 4; i++ )
622 x264_mb_mc_8x8( h, i );
624 else if( h->mb.i_type == B_SKIP || h->mb.i_type == B_DIRECT )
626 x264_mb_mc_direct8x8( h, 0, 0 );
627 x264_mb_mc_direct8x8( h, 2, 0 );
628 x264_mb_mc_direct8x8( h, 0, 2 );
629 x264_mb_mc_direct8x8( h, 2, 2 );
633 const uint8_t *b_list0 = x264_mb_type_list_table[h->mb.i_type][0];
634 const uint8_t *b_list1 = x264_mb_type_list_table[h->mb.i_type][1];
636 if( h->mb.i_partition == D_16x16 )
638 if( b_list0[0] && b_list1[0] ) x264_mb_mc_01xywh( h, 0, 0, 4, 4 );
639 else if( b_list0[0] ) x264_mb_mc_0xywh ( h, 0, 0, 4, 4 );
640 else if( b_list1[0] ) x264_mb_mc_1xywh ( h, 0, 0, 4, 4 );
642 else if( h->mb.i_partition == D_16x8 )
644 if( b_list0[0] && b_list1[0] ) x264_mb_mc_01xywh( h, 0, 0, 4, 2 );
645 else if( b_list0[0] ) x264_mb_mc_0xywh ( h, 0, 0, 4, 2 );
646 else if( b_list1[0] ) x264_mb_mc_1xywh ( h, 0, 0, 4, 2 );
648 if( b_list0[1] && b_list1[1] ) x264_mb_mc_01xywh( h, 0, 2, 4, 2 );
649 else if( b_list0[1] ) x264_mb_mc_0xywh ( h, 0, 2, 4, 2 );
650 else if( b_list1[1] ) x264_mb_mc_1xywh ( h, 0, 2, 4, 2 );
652 else if( h->mb.i_partition == D_8x16 )
654 if( b_list0[0] && b_list1[0] ) x264_mb_mc_01xywh( h, 0, 0, 2, 4 );
655 else if( b_list0[0] ) x264_mb_mc_0xywh ( h, 0, 0, 2, 4 );
656 else if( b_list1[0] ) x264_mb_mc_1xywh ( h, 0, 0, 2, 4 );
658 if( b_list0[1] && b_list1[1] ) x264_mb_mc_01xywh( h, 2, 0, 2, 4 );
659 else if( b_list0[1] ) x264_mb_mc_0xywh ( h, 2, 0, 2, 4 );
660 else if( b_list1[1] ) x264_mb_mc_1xywh ( h, 2, 0, 2, 4 );
665 int x264_macroblock_cache_init( x264_t *h )
668 int i_mb_count = h->mb.i_mb_count;
670 h->mb.i_mb_stride = h->sps->i_mb_width;
671 h->mb.i_b8_stride = h->sps->i_mb_width * 2;
672 h->mb.i_b4_stride = h->sps->i_mb_width * 4;
674 h->mb.b_interlaced = h->param.b_interlaced;
676 CHECKED_MALLOC( h->mb.qp, i_mb_count * sizeof(int8_t) );
677 CHECKED_MALLOC( h->mb.cbp, i_mb_count * sizeof(int16_t) );
678 CHECKED_MALLOC( h->mb.skipbp, i_mb_count * sizeof(int8_t) );
679 CHECKED_MALLOC( h->mb.mb_transform_size, i_mb_count * sizeof(int8_t) );
681 /* 0 -> 3 top(4), 4 -> 6 : left(3) */
682 CHECKED_MALLOC( h->mb.intra4x4_pred_mode, i_mb_count * 8 * sizeof(int8_t) );
685 CHECKED_MALLOC( h->mb.non_zero_count, i_mb_count * 24 * sizeof(uint8_t) );
686 CHECKED_MALLOC( h->mb.nnz_backup, h->sps->i_mb_width * 4 * 16 * sizeof(uint8_t) );
688 if( h->param.b_cabac )
690 CHECKED_MALLOC( h->mb.chroma_pred_mode, i_mb_count * sizeof(int8_t) );
691 CHECKED_MALLOC( h->mb.mvd[0], 2*16 * i_mb_count * sizeof(int16_t) );
692 CHECKED_MALLOC( h->mb.mvd[1], 2*16 * i_mb_count * sizeof(int16_t) );
697 int i_refs = X264_MIN(16, (i ? 1 : h->param.i_frame_reference) + h->param.b_bframe_pyramid) << h->param.b_interlaced;
698 for( j=0; j < i_refs; j++ )
699 CHECKED_MALLOC( h->mb.mvr[i][j], 2 * i_mb_count * sizeof(int16_t) );
702 for( i=0; i<=h->param.b_interlaced; i++ )
705 /* shouldn't really be initialized, just silences a valgrind false-positive in predict_8x8_filter_mmx */
706 CHECKED_MALLOCZERO( h->mb.intra_border_backup[i][j], (h->sps->i_mb_width*16+32)>>!!j );
707 h->mb.intra_border_backup[i][j] += 8;
710 /* init with not available (for top right idx=7,15) */
711 memset( h->mb.cache.ref[0], -2, X264_SCAN8_SIZE * sizeof( int8_t ) );
712 memset( h->mb.cache.ref[1], -2, X264_SCAN8_SIZE * sizeof( int8_t ) );
724 h->mb.pic.p_fenc[0] = h->mb.pic.fenc_buf;
725 h->mb.pic.p_fenc[1] = h->mb.pic.fenc_buf + 16*FENC_STRIDE;
726 h->mb.pic.p_fenc[2] = h->mb.pic.fenc_buf + 16*FENC_STRIDE + 8;
727 h->mb.pic.p_fdec[0] = h->mb.pic.fdec_buf + 2*FDEC_STRIDE;
728 h->mb.pic.p_fdec[1] = h->mb.pic.fdec_buf + 19*FDEC_STRIDE;
729 h->mb.pic.p_fdec[2] = h->mb.pic.fdec_buf + 19*FDEC_STRIDE + 16;
731 h->mb.i_neighbour4[6] =
732 h->mb.i_neighbour4[9] =
733 h->mb.i_neighbour4[12] =
734 h->mb.i_neighbour4[14] = MB_LEFT|MB_TOP|MB_TOPLEFT|MB_TOPRIGHT;
735 h->mb.i_neighbour4[3] =
736 h->mb.i_neighbour4[7] =
737 h->mb.i_neighbour4[11] =
738 h->mb.i_neighbour4[13] =
739 h->mb.i_neighbour4[15] =
740 h->mb.i_neighbour8[3] = MB_LEFT|MB_TOP|MB_TOPLEFT;
742 int buf_hpel = (h->param.i_width+48) * sizeof(int16_t);
743 int buf_ssim = h->param.analyse.b_ssim * 8 * (h->param.i_width/4+3) * sizeof(int);
744 int me_range = X264_MIN(h->param.analyse.i_me_range, h->param.analyse.i_mv_range);
745 int buf_tesa = (h->param.analyse.i_me_method >= X264_ME_ESA) *
746 ((me_range*2+18) * sizeof(int16_t) + (me_range+4) * (me_range+1) * 4 * sizeof(mvsad_t));
747 int buf_mbtree = h->param.rc.b_mb_tree * ((h->sps->i_mb_width+3)&~3) * sizeof(int);
748 CHECKED_MALLOC( h->scratch_buffer, X264_MAX4( buf_hpel, buf_ssim, buf_tesa, buf_mbtree ) );
753 void x264_macroblock_cache_end( x264_t *h )
756 for( i=0; i<=h->param.b_interlaced; i++ )
758 x264_free( h->mb.intra_border_backup[i][j] - 8 );
760 for( j=0; j<32; j++ )
761 x264_free( h->mb.mvr[i][j] );
762 if( h->param.b_cabac )
764 x264_free( h->mb.chroma_pred_mode );
765 x264_free( h->mb.mvd[0] );
766 x264_free( h->mb.mvd[1] );
768 x264_free( h->mb.intra4x4_pred_mode );
769 x264_free( h->mb.non_zero_count );
770 x264_free( h->mb.nnz_backup );
771 x264_free( h->mb.mb_transform_size );
772 x264_free( h->mb.skipbp );
773 x264_free( h->mb.cbp );
774 x264_free( h->mb.qp );
775 x264_free( h->scratch_buffer );
777 void x264_macroblock_slice_init( x264_t *h )
781 h->mb.mv[0] = h->fdec->mv[0];
782 h->mb.mv[1] = h->fdec->mv[1];
783 h->mb.ref[0] = h->fdec->ref[0];
784 h->mb.ref[1] = h->fdec->ref[1];
785 h->mb.type = h->fdec->mb_type;
787 h->fdec->i_ref[0] = h->i_ref0;
788 h->fdec->i_ref[1] = h->i_ref1;
789 for( i = 0; i < h->i_ref0; i++ )
790 h->fdec->ref_poc[0][i] = h->fref0[i]->i_poc;
791 if( h->sh.i_type == SLICE_TYPE_B )
793 for( i = 0; i < h->i_ref1; i++ )
794 h->fdec->ref_poc[1][i] = h->fref1[i]->i_poc;
796 h->mb.map_col_to_list0[-1] = -1;
797 h->mb.map_col_to_list0[-2] = -2;
798 for( i = 0; i < h->fref1[0]->i_ref[0]; i++ )
800 int poc = h->fref1[0]->ref_poc[0][i];
801 h->mb.map_col_to_list0[i] = -2;
802 for( j = 0; j < h->i_ref0; j++ )
803 if( h->fref0[j]->i_poc == poc )
805 h->mb.map_col_to_list0[i] = j;
810 if( h->sh.i_type == SLICE_TYPE_P )
811 memset( h->mb.cache.skip, 0, X264_SCAN8_SIZE * sizeof( int8_t ) );
813 setup_inverse_delta_pocs( h );
816 void x264_prefetch_fenc( x264_t *h, x264_frame_t *fenc, int i_mb_x, int i_mb_y )
818 int stride_y = fenc->i_stride[0];
819 int stride_uv = fenc->i_stride[1];
820 int off_y = 16 * (i_mb_x + i_mb_y * stride_y);
821 int off_uv = 8 * (i_mb_x + i_mb_y * stride_uv);
822 h->mc.prefetch_fenc( fenc->plane[0]+off_y, stride_y,
823 fenc->plane[1+(i_mb_x&1)]+off_uv, stride_uv, i_mb_x );
826 static NOINLINE void copy_column8( uint8_t *dst, uint8_t *src )
828 // input pointers are offset by 4 rows because that's faster (smaller instruction size on x86)
830 for( i = -4; i < 4; i++ )
831 dst[i*FDEC_STRIDE] = src[i*FDEC_STRIDE];
834 static void ALWAYS_INLINE x264_macroblock_load_pic_pointers( x264_t *h, int i_mb_x, int i_mb_y, int i)
836 const int w = (i == 0 ? 16 : 8);
837 const int i_stride = h->fdec->i_stride[!!i];
838 const int i_stride2 = i_stride << h->mb.b_interlaced;
839 const int i_pix_offset = h->mb.b_interlaced
840 ? w * (i_mb_x + (i_mb_y&~1) * i_stride) + (i_mb_y&1) * i_stride
841 : w * (i_mb_x + i_mb_y * i_stride);
842 int ref_pix_offset[2] = { i_pix_offset, i_pix_offset };
843 const uint8_t *intra_fdec = &h->mb.intra_border_backup[i_mb_y & h->sh.b_mbaff][i][i_mb_x*16>>!!i];
844 x264_frame_t **fref[2] = { h->fref0, h->fref1 };
846 if( h->mb.b_interlaced )
847 ref_pix_offset[1] += (1-2*(i_mb_y&1)) * i_stride;
848 h->mb.pic.i_stride[i] = i_stride2;
849 h->mb.pic.p_fenc_plane[i] = &h->fenc->plane[i][i_pix_offset];
850 h->mc.copy[i?PIXEL_8x8:PIXEL_16x16]( h->mb.pic.p_fenc[i], FENC_STRIDE,
851 h->mb.pic.p_fenc_plane[i], i_stride2, w );
852 memcpy( &h->mb.pic.p_fdec[i][-1-FDEC_STRIDE], intra_fdec-1, w*3/2+1 );
853 if( h->mb.b_interlaced || h->mb.b_reencode_mb )
855 const uint8_t *plane_fdec = &h->fdec->plane[i][i_pix_offset];
856 for( j = 0; j < w; j++ )
857 h->mb.pic.p_fdec[i][-1+j*FDEC_STRIDE] = plane_fdec[-1+j*i_stride2];
859 for( j = 0; j < h->mb.pic.i_fref[0]; j++ )
861 h->mb.pic.p_fref[0][j][i==0 ? 0:i+3] = &fref[0][j >> h->mb.b_interlaced]->plane[i][ref_pix_offset[j&1]];
863 for( k = 1; k < 4; k++ )
864 h->mb.pic.p_fref[0][j][k] = &fref[0][j >> h->mb.b_interlaced]->filtered[k][ref_pix_offset[j&1]];
866 if( h->sh.i_type == SLICE_TYPE_B )
867 for( j = 0; j < h->mb.pic.i_fref[1]; j++ )
869 h->mb.pic.p_fref[1][j][i==0 ? 0:i+3] = &fref[1][j >> h->mb.b_interlaced]->plane[i][ref_pix_offset[j&1]];
871 for( k = 1; k < 4; k++ )
872 h->mb.pic.p_fref[1][j][k] = &fref[1][j >> h->mb.b_interlaced]->filtered[k][ref_pix_offset[j&1]];
876 void x264_macroblock_cache_load( x264_t *h, int i_mb_x, int i_mb_y )
878 int i_mb_xy = i_mb_y * h->mb.i_mb_stride + i_mb_x;
879 int i_mb_4x4 = 4*(i_mb_y * h->mb.i_b4_stride + i_mb_x);
880 int i_mb_8x8 = 2*(i_mb_y * h->mb.i_b8_stride + i_mb_x);
881 int i_top_y = i_mb_y - (1 << h->mb.b_interlaced);
882 int i_top_xy = i_top_y * h->mb.i_mb_stride + i_mb_x;
883 int i_top_4x4 = (4*i_top_y+3) * h->mb.i_b4_stride + 4*i_mb_x;
884 int i_top_8x8 = (2*i_top_y+1) * h->mb.i_b8_stride + 2*i_mb_x;
886 int i_top_type = -1; /* gcc warn */
892 h->mb.i_mb_x = i_mb_x;
893 h->mb.i_mb_y = i_mb_y;
894 h->mb.i_mb_xy = i_mb_xy;
895 h->mb.i_b8_xy = i_mb_8x8;
896 h->mb.i_b4_xy = i_mb_4x4;
897 h->mb.i_mb_top_xy = i_top_xy;
898 h->mb.i_neighbour = 0;
899 h->mb.i_neighbour_intra = 0;
902 if( i_top_xy >= h->sh.i_first_mb )
904 h->mb.i_mb_type_top =
905 i_top_type = h->mb.type[i_top_xy];
906 h->mb.cache.i_cbp_top = h->mb.cbp[i_top_xy];
908 h->mb.i_neighbour |= MB_TOP;
910 if( !h->param.b_constrained_intra || IS_INTRA( i_top_type ) )
911 h->mb.i_neighbour_intra |= MB_TOP;
914 *(uint32_t*)&h->mb.cache.intra4x4_pred_mode[x264_scan8[0] - 8] = *(uint32_t*)&h->mb.intra4x4_pred_mode[i_top_xy][0];
916 /* load non_zero_count */
917 *(uint32_t*)&h->mb.cache.non_zero_count[x264_scan8[0] - 8] = *(uint32_t*)&h->mb.non_zero_count[i_top_xy][12];
918 /* shift because x264_scan8[16] is misaligned */
919 *(uint32_t*)&h->mb.cache.non_zero_count[x264_scan8[16] - 9] = *(uint16_t*)&h->mb.non_zero_count[i_top_xy][18] << 8;
920 *(uint32_t*)&h->mb.cache.non_zero_count[x264_scan8[16+4] - 9] = *(uint16_t*)&h->mb.non_zero_count[i_top_xy][22] << 8;
924 h->mb.i_mb_type_top = -1;
925 h->mb.cache.i_cbp_top = -1;
928 *(uint32_t*)&h->mb.cache.intra4x4_pred_mode[x264_scan8[0] - 8] = 0xFFFFFFFFU;
930 /* load non_zero_count */
931 h->mb.cache.non_zero_count[x264_scan8[0] - 8] =
932 h->mb.cache.non_zero_count[x264_scan8[1] - 8] =
933 h->mb.cache.non_zero_count[x264_scan8[4] - 8] =
934 h->mb.cache.non_zero_count[x264_scan8[5] - 8] =
935 h->mb.cache.non_zero_count[x264_scan8[16+0] - 8] =
936 h->mb.cache.non_zero_count[x264_scan8[16+1] - 8] =
937 h->mb.cache.non_zero_count[x264_scan8[16+4+0] - 8] =
938 h->mb.cache.non_zero_count[x264_scan8[16+4+1] - 8] = 0x80;
941 if( i_mb_x > 0 && i_mb_xy > h->sh.i_first_mb )
943 i_left_xy = i_mb_xy - 1;
944 h->mb.i_mb_type_left =
945 i_left_type = h->mb.type[i_left_xy];
946 h->mb.cache.i_cbp_left = h->mb.cbp[h->mb.i_mb_xy - 1];
948 h->mb.i_neighbour |= MB_LEFT;
950 if( !h->param.b_constrained_intra || IS_INTRA( i_left_type ) )
951 h->mb.i_neighbour_intra |= MB_LEFT;
954 h->mb.cache.intra4x4_pred_mode[x264_scan8[0 ] - 1] = h->mb.intra4x4_pred_mode[i_left_xy][4];
955 h->mb.cache.intra4x4_pred_mode[x264_scan8[2 ] - 1] = h->mb.intra4x4_pred_mode[i_left_xy][5];
956 h->mb.cache.intra4x4_pred_mode[x264_scan8[8 ] - 1] = h->mb.intra4x4_pred_mode[i_left_xy][6];
957 h->mb.cache.intra4x4_pred_mode[x264_scan8[10] - 1] = h->mb.intra4x4_pred_mode[i_left_xy][3];
959 /* load non_zero_count */
960 h->mb.cache.non_zero_count[x264_scan8[0 ] - 1] = h->mb.non_zero_count[i_left_xy][3];
961 h->mb.cache.non_zero_count[x264_scan8[2 ] - 1] = h->mb.non_zero_count[i_left_xy][7];
962 h->mb.cache.non_zero_count[x264_scan8[8 ] - 1] = h->mb.non_zero_count[i_left_xy][11];
963 h->mb.cache.non_zero_count[x264_scan8[10] - 1] = h->mb.non_zero_count[i_left_xy][15];
965 h->mb.cache.non_zero_count[x264_scan8[16+0] - 1] = h->mb.non_zero_count[i_left_xy][16+1];
966 h->mb.cache.non_zero_count[x264_scan8[16+2] - 1] = h->mb.non_zero_count[i_left_xy][16+3];
968 h->mb.cache.non_zero_count[x264_scan8[16+4+0] - 1] = h->mb.non_zero_count[i_left_xy][16+4+1];
969 h->mb.cache.non_zero_count[x264_scan8[16+4+2] - 1] = h->mb.non_zero_count[i_left_xy][16+4+3];
973 h->mb.i_mb_type_left = -1;
974 h->mb.cache.i_cbp_left = -1;
976 h->mb.cache.intra4x4_pred_mode[x264_scan8[0 ] - 1] =
977 h->mb.cache.intra4x4_pred_mode[x264_scan8[2 ] - 1] =
978 h->mb.cache.intra4x4_pred_mode[x264_scan8[8 ] - 1] =
979 h->mb.cache.intra4x4_pred_mode[x264_scan8[10] - 1] = -1;
981 /* load non_zero_count */
982 h->mb.cache.non_zero_count[x264_scan8[0 ] - 1] =
983 h->mb.cache.non_zero_count[x264_scan8[2 ] - 1] =
984 h->mb.cache.non_zero_count[x264_scan8[8 ] - 1] =
985 h->mb.cache.non_zero_count[x264_scan8[10] - 1] =
986 h->mb.cache.non_zero_count[x264_scan8[16+0] - 1] =
987 h->mb.cache.non_zero_count[x264_scan8[16+2] - 1] =
988 h->mb.cache.non_zero_count[x264_scan8[16+4+0] - 1] =
989 h->mb.cache.non_zero_count[x264_scan8[16+4+2] - 1] = 0x80;
992 if( i_mb_x < h->sps->i_mb_width - 1 && i_top_xy + 1 >= h->sh.i_first_mb )
994 h->mb.i_neighbour |= MB_TOPRIGHT;
995 h->mb.i_mb_type_topright = h->mb.type[ i_top_xy + 1 ];
996 if( !h->param.b_constrained_intra || IS_INTRA( h->mb.i_mb_type_topright ) )
997 h->mb.i_neighbour_intra |= MB_TOPRIGHT;
1000 h->mb.i_mb_type_topright = -1;
1001 if( i_mb_x > 0 && i_top_xy - 1 >= h->sh.i_first_mb )
1003 h->mb.i_neighbour |= MB_TOPLEFT;
1004 h->mb.i_mb_type_topleft = h->mb.type[ i_top_xy - 1 ];
1005 if( !h->param.b_constrained_intra || IS_INTRA( h->mb.i_mb_type_topleft ) )
1006 h->mb.i_neighbour_intra |= MB_TOPLEFT;
1009 h->mb.i_mb_type_topleft = -1;
1011 if( h->pps->b_transform_8x8_mode )
1013 h->mb.cache.i_neighbour_transform_size =
1014 ( i_left_type >= 0 && h->mb.mb_transform_size[i_left_xy] )
1015 + ( i_top_type >= 0 && h->mb.mb_transform_size[i_top_xy] );
1020 h->mb.pic.i_fref[0] = h->i_ref0 << h->mb.b_interlaced;
1021 h->mb.pic.i_fref[1] = h->i_ref1 << h->mb.b_interlaced;
1022 h->mb.cache.i_neighbour_interlaced =
1023 !!(h->mb.i_neighbour & MB_LEFT)
1024 + !!(h->mb.i_neighbour & MB_TOP);
1027 if( !h->mb.b_interlaced && !h->mb.b_reencode_mb )
1029 copy_column8( h->mb.pic.p_fdec[0]-1+ 4*FDEC_STRIDE, h->mb.pic.p_fdec[0]+15+ 4*FDEC_STRIDE );
1030 copy_column8( h->mb.pic.p_fdec[0]-1+12*FDEC_STRIDE, h->mb.pic.p_fdec[0]+15+12*FDEC_STRIDE );
1031 copy_column8( h->mb.pic.p_fdec[1]-1+ 4*FDEC_STRIDE, h->mb.pic.p_fdec[1]+ 7+ 4*FDEC_STRIDE );
1032 copy_column8( h->mb.pic.p_fdec[2]-1+ 4*FDEC_STRIDE, h->mb.pic.p_fdec[2]+ 7+ 4*FDEC_STRIDE );
1035 /* load picture pointers */
1036 x264_macroblock_load_pic_pointers( h, i_mb_x, i_mb_y, 0 );
1037 x264_macroblock_load_pic_pointers( h, i_mb_x, i_mb_y, 1 );
1038 x264_macroblock_load_pic_pointers( h, i_mb_x, i_mb_y, 2 );
1040 if( h->fdec->integral )
1042 assert( !h->mb.b_interlaced );
1043 for( i = 0; i < h->mb.pic.i_fref[0]; i++ )
1044 h->mb.pic.p_integral[0][i] = &h->fref0[i]->integral[ 16 * ( i_mb_x + i_mb_y * h->fdec->i_stride[0] )];
1045 for( i = 0; i < h->mb.pic.i_fref[1]; i++ )
1046 h->mb.pic.p_integral[1][i] = &h->fref1[i]->integral[ 16 * ( i_mb_x + i_mb_y * h->fdec->i_stride[0] )];
1049 x264_prefetch_fenc( h, h->fenc, i_mb_x, i_mb_y );
1051 /* load ref/mv/mvd */
1052 if( h->sh.i_type != SLICE_TYPE_I )
1054 const int s8x8 = h->mb.i_b8_stride;
1055 const int s4x4 = h->mb.i_b4_stride;
1059 for( i_list = 0; i_list < (h->sh.i_type == SLICE_TYPE_B ? 2 : 1 ); i_list++ )
1062 h->mb.cache.ref[i_list][x264_scan8[5 ]+1] =
1063 h->mb.cache.ref[i_list][x264_scan8[7 ]+1] =
1064 h->mb.cache.ref[i_list][x264_scan8[13]+1] = -2;
1067 if( h->mb.i_neighbour & MB_TOPLEFT )
1069 const int i8 = x264_scan8[0] - 1 - 1*8;
1070 const int ir = i_top_8x8 - 1;
1071 const int iv = i_top_4x4 - 1;
1072 h->mb.cache.ref[i_list][i8] = h->mb.ref[i_list][ir];
1073 *(uint32_t*)h->mb.cache.mv[i_list][i8] = *(uint32_t*)h->mb.mv[i_list][iv];
1077 const int i8 = x264_scan8[0] - 1 - 1*8;
1078 h->mb.cache.ref[i_list][i8] = -2;
1079 *(uint32_t*)h->mb.cache.mv[i_list][i8] = 0;
1082 if( h->mb.i_neighbour & MB_TOP )
1084 const int i8 = x264_scan8[0] - 8;
1085 const int ir = i_top_8x8;
1086 const int iv = i_top_4x4;
1087 h->mb.cache.ref[i_list][i8+0] =
1088 h->mb.cache.ref[i_list][i8+1] = h->mb.ref[i_list][ir + 0];
1089 h->mb.cache.ref[i_list][i8+2] =
1090 h->mb.cache.ref[i_list][i8+3] = h->mb.ref[i_list][ir + 1];
1091 *(uint64_t*)h->mb.cache.mv[i_list][i8+0] = *(uint64_t*)h->mb.mv[i_list][iv+0];
1092 *(uint64_t*)h->mb.cache.mv[i_list][i8+2] = *(uint64_t*)h->mb.mv[i_list][iv+2];
1096 const int i8 = x264_scan8[0] - 8;
1097 *(uint64_t*)h->mb.cache.mv[i_list][i8+0] = 0;
1098 *(uint64_t*)h->mb.cache.mv[i_list][i8+2] = 0;
1099 *(uint32_t*)&h->mb.cache.ref[i_list][i8] = (uint8_t)(-2) * 0x01010101U;
1102 if( h->mb.i_neighbour & MB_TOPRIGHT )
1104 const int i8 = x264_scan8[0] + 4 - 1*8;
1105 const int ir = i_top_8x8 + 2;
1106 const int iv = i_top_4x4 + 4;
1107 h->mb.cache.ref[i_list][i8] = h->mb.ref[i_list][ir];
1108 *(uint32_t*)h->mb.cache.mv[i_list][i8] = *(uint32_t*)h->mb.mv[i_list][iv];
1112 const int i8 = x264_scan8[0] + 4 - 1*8;
1113 h->mb.cache.ref[i_list][i8] = -2;
1114 *(uint32_t*)h->mb.cache.mv[i_list][i8] = 0;
1117 if( h->mb.i_neighbour & MB_LEFT )
1119 const int i8 = x264_scan8[0] - 1;
1120 const int ir = i_mb_8x8 - 1;
1121 const int iv = i_mb_4x4 - 1;
1122 h->mb.cache.ref[i_list][i8+0*8] =
1123 h->mb.cache.ref[i_list][i8+1*8] = h->mb.ref[i_list][ir + 0*s8x8];
1124 h->mb.cache.ref[i_list][i8+2*8] =
1125 h->mb.cache.ref[i_list][i8+3*8] = h->mb.ref[i_list][ir + 1*s8x8];
1127 *(uint32_t*)h->mb.cache.mv[i_list][i8+0*8] = *(uint32_t*)h->mb.mv[i_list][iv + 0*s4x4];
1128 *(uint32_t*)h->mb.cache.mv[i_list][i8+1*8] = *(uint32_t*)h->mb.mv[i_list][iv + 1*s4x4];
1129 *(uint32_t*)h->mb.cache.mv[i_list][i8+2*8] = *(uint32_t*)h->mb.mv[i_list][iv + 2*s4x4];
1130 *(uint32_t*)h->mb.cache.mv[i_list][i8+3*8] = *(uint32_t*)h->mb.mv[i_list][iv + 3*s4x4];
1134 const int i8 = x264_scan8[0] - 1;
1135 for( i = 0; i < 4; i++ )
1137 h->mb.cache.ref[i_list][i8+i*8] = -2;
1138 *(uint32_t*)h->mb.cache.mv[i_list][i8+i*8] = 0;
1142 if( h->param.b_cabac )
1144 if( i_top_type >= 0 )
1146 const int i8 = x264_scan8[0] - 8;
1147 const int iv = i_top_4x4;
1148 *(uint64_t*)h->mb.cache.mvd[i_list][i8+0] = *(uint64_t*)h->mb.mvd[i_list][iv+0];
1149 *(uint64_t*)h->mb.cache.mvd[i_list][i8+2] = *(uint64_t*)h->mb.mvd[i_list][iv+2];
1153 const int i8 = x264_scan8[0] - 8;
1154 *(uint64_t*)h->mb.cache.mvd[i_list][i8+0] =
1155 *(uint64_t*)h->mb.cache.mvd[i_list][i8+2] = 0;
1158 if( i_left_type >= 0 )
1160 const int i8 = x264_scan8[0] - 1;
1161 const int iv = i_mb_4x4 - 1;
1162 *(uint32_t*)h->mb.cache.mvd[i_list][i8+0*8] = *(uint32_t*)h->mb.mvd[i_list][iv + 0*s4x4];
1163 *(uint32_t*)h->mb.cache.mvd[i_list][i8+1*8] = *(uint32_t*)h->mb.mvd[i_list][iv + 1*s4x4];
1164 *(uint32_t*)h->mb.cache.mvd[i_list][i8+2*8] = *(uint32_t*)h->mb.mvd[i_list][iv + 2*s4x4];
1165 *(uint32_t*)h->mb.cache.mvd[i_list][i8+3*8] = *(uint32_t*)h->mb.mvd[i_list][iv + 3*s4x4];
1169 const int i8 = x264_scan8[0] - 1;
1170 for( i = 0; i < 4; i++ )
1171 *(uint32_t*)h->mb.cache.mvd[i_list][i8+i*8] = 0;
1177 if( h->sh.i_type == SLICE_TYPE_B && h->param.b_cabac )
1180 x264_macroblock_cache_skip( h, 0, 0, 4, 4, 0 );
1181 skipbp = i_left_type >= 0 ? h->mb.skipbp[i_left_xy] : 0;
1182 h->mb.cache.skip[x264_scan8[0] - 1] = skipbp & 0x2;
1183 h->mb.cache.skip[x264_scan8[8] - 1] = skipbp & 0x8;
1184 skipbp = i_top_type >= 0 ? h->mb.skipbp[i_top_xy] : 0;
1185 h->mb.cache.skip[x264_scan8[0] - 8] = skipbp & 0x4;
1186 h->mb.cache.skip[x264_scan8[4] - 8] = skipbp & 0x8;
1189 if( h->sh.i_type == SLICE_TYPE_P )
1190 x264_mb_predict_mv_pskip( h, h->mb.cache.pskip_mv );
1193 h->mb.i_neighbour4[0] =
1194 h->mb.i_neighbour8[0] = (h->mb.i_neighbour_intra & (MB_TOP|MB_LEFT|MB_TOPLEFT))
1195 | ((h->mb.i_neighbour_intra & MB_TOP) ? MB_TOPRIGHT : 0);
1196 h->mb.i_neighbour4[4] =
1197 h->mb.i_neighbour4[1] = MB_LEFT | ((h->mb.i_neighbour_intra & MB_TOP) ? (MB_TOP|MB_TOPLEFT|MB_TOPRIGHT) : 0);
1198 h->mb.i_neighbour4[2] =
1199 h->mb.i_neighbour4[8] =
1200 h->mb.i_neighbour4[10] =
1201 h->mb.i_neighbour8[2] = MB_TOP|MB_TOPRIGHT | ((h->mb.i_neighbour_intra & MB_LEFT) ? (MB_LEFT|MB_TOPLEFT) : 0);
1202 h->mb.i_neighbour4[5] =
1203 h->mb.i_neighbour8[1] = MB_LEFT | (h->mb.i_neighbour_intra & MB_TOPRIGHT)
1204 | ((h->mb.i_neighbour_intra & MB_TOP) ? MB_TOP|MB_TOPLEFT : 0);
1207 static void ALWAYS_INLINE x264_macroblock_store_pic( x264_t *h, int i )
1210 int i_stride = h->fdec->i_stride[!!i];
1211 int i_stride2 = i_stride << h->mb.b_interlaced;
1212 int i_pix_offset = h->mb.b_interlaced
1213 ? w * (h->mb.i_mb_x + (h->mb.i_mb_y&~1) * i_stride) + (h->mb.i_mb_y&1) * i_stride
1214 : w * (h->mb.i_mb_x + h->mb.i_mb_y * i_stride);
1215 h->mc.copy[i?PIXEL_8x8:PIXEL_16x16](
1216 &h->fdec->plane[i][i_pix_offset], i_stride2,
1217 h->mb.pic.p_fdec[i], FDEC_STRIDE, w );
1220 void x264_macroblock_cache_save( x264_t *h )
1222 const int i_mb_xy = h->mb.i_mb_xy;
1223 const int i_mb_type = x264_mb_type_fix[h->mb.i_type];
1224 const int s8x8 = h->mb.i_b8_stride;
1225 const int s4x4 = h->mb.i_b4_stride;
1226 const int i_mb_4x4 = h->mb.i_b4_xy;
1227 const int i_mb_8x8 = h->mb.i_b8_xy;
1229 /* GCC pessimizes direct stores to heap-allocated 8-bit arrays due to aliasing.*/
1230 /* By only dereferencing them once, we avoid this issue. */
1231 int8_t *intra4x4_pred_mode = h->mb.intra4x4_pred_mode[i_mb_xy];
1232 uint8_t *non_zero_count = h->mb.non_zero_count[i_mb_xy];
1236 x264_macroblock_store_pic( h, 0 );
1237 x264_macroblock_store_pic( h, 1 );
1238 x264_macroblock_store_pic( h, 2 );
1240 x264_prefetch_fenc( h, h->fdec, h->mb.i_mb_x, h->mb.i_mb_y );
1242 h->mb.type[i_mb_xy] = i_mb_type;
1243 h->mb.i_mb_prev_xy = i_mb_xy;
1246 if( i_mb_type == I_4x4 )
1248 *(uint32_t*)&intra4x4_pred_mode[0] = *(uint32_t*)&h->mb.cache.intra4x4_pred_mode[x264_scan8[10] ];
1249 *(uint32_t*)&intra4x4_pred_mode[4] = pack8to32(h->mb.cache.intra4x4_pred_mode[x264_scan8[5] ],
1250 h->mb.cache.intra4x4_pred_mode[x264_scan8[7] ],
1251 h->mb.cache.intra4x4_pred_mode[x264_scan8[13] ], 0);
1253 else if( !h->param.b_constrained_intra || IS_INTRA(i_mb_type) )
1254 *(uint64_t*)intra4x4_pred_mode = I_PRED_4x4_DC * 0x0101010101010101ULL;
1256 *(uint64_t*)intra4x4_pred_mode = (uint8_t)(-1) * 0x0101010101010101ULL;
1259 if( i_mb_type == I_PCM )
1261 h->mb.qp[i_mb_xy] = 0;
1262 h->mb.i_last_dqp = 0;
1263 h->mb.i_cbp_chroma = 2;
1264 h->mb.i_cbp_luma = 0xf;
1265 h->mb.cbp[i_mb_xy] = 0x72f; /* all set */
1266 h->mb.b_transform_8x8 = 0;
1267 for( i = 0; i < 16 + 2*4; i++ )
1268 non_zero_count[i] = 16;
1272 /* save non zero count */
1273 *(uint32_t*)&non_zero_count[0*4] = *(uint32_t*)&h->mb.cache.non_zero_count[x264_scan8[0]+0*8];
1274 *(uint32_t*)&non_zero_count[1*4] = *(uint32_t*)&h->mb.cache.non_zero_count[x264_scan8[0]+1*8];
1275 *(uint32_t*)&non_zero_count[2*4] = *(uint32_t*)&h->mb.cache.non_zero_count[x264_scan8[0]+2*8];
1276 *(uint32_t*)&non_zero_count[3*4] = *(uint32_t*)&h->mb.cache.non_zero_count[x264_scan8[0]+3*8];
1277 *(uint16_t*)&non_zero_count[16+0*2] = *(uint32_t*)&h->mb.cache.non_zero_count[x264_scan8[16+0*2]-1] >> 8;
1278 *(uint16_t*)&non_zero_count[16+1*2] = *(uint32_t*)&h->mb.cache.non_zero_count[x264_scan8[16+1*2]-1] >> 8;
1279 *(uint16_t*)&non_zero_count[16+2*2] = *(uint32_t*)&h->mb.cache.non_zero_count[x264_scan8[16+2*2]-1] >> 8;
1280 *(uint16_t*)&non_zero_count[16+3*2] = *(uint32_t*)&h->mb.cache.non_zero_count[x264_scan8[16+3*2]-1] >> 8;
1282 if( h->mb.i_type != I_16x16 && h->mb.i_cbp_luma == 0 && h->mb.i_cbp_chroma == 0 )
1283 h->mb.i_qp = h->mb.i_last_qp;
1284 h->mb.qp[i_mb_xy] = h->mb.i_qp;
1285 h->mb.i_last_dqp = h->mb.i_qp - h->mb.i_last_qp;
1286 h->mb.i_last_qp = h->mb.i_qp;
1289 if( h->mb.i_cbp_luma == 0 && h->mb.i_type != I_8x8 )
1290 h->mb.b_transform_8x8 = 0;
1291 h->mb.mb_transform_size[i_mb_xy] = h->mb.b_transform_8x8;
1293 if( h->sh.i_type != SLICE_TYPE_I )
1295 if( !IS_INTRA( i_mb_type ) )
1297 h->mb.ref[0][i_mb_8x8+0+0*s8x8] = h->mb.cache.ref[0][x264_scan8[0]];
1298 h->mb.ref[0][i_mb_8x8+1+0*s8x8] = h->mb.cache.ref[0][x264_scan8[4]];
1299 h->mb.ref[0][i_mb_8x8+0+1*s8x8] = h->mb.cache.ref[0][x264_scan8[8]];
1300 h->mb.ref[0][i_mb_8x8+1+1*s8x8] = h->mb.cache.ref[0][x264_scan8[12]];
1301 for( y = 0; y < 4; y++ )
1303 *(uint64_t*)h->mb.mv[0][i_mb_4x4+y*s4x4+0] = *(uint64_t*)h->mb.cache.mv[0][x264_scan8[0]+8*y+0];
1304 *(uint64_t*)h->mb.mv[0][i_mb_4x4+y*s4x4+2] = *(uint64_t*)h->mb.cache.mv[0][x264_scan8[0]+8*y+2];
1306 if( h->sh.i_type == SLICE_TYPE_B )
1308 h->mb.ref[1][i_mb_8x8+0+0*s8x8] = h->mb.cache.ref[1][x264_scan8[0]];
1309 h->mb.ref[1][i_mb_8x8+1+0*s8x8] = h->mb.cache.ref[1][x264_scan8[4]];
1310 h->mb.ref[1][i_mb_8x8+0+1*s8x8] = h->mb.cache.ref[1][x264_scan8[8]];
1311 h->mb.ref[1][i_mb_8x8+1+1*s8x8] = h->mb.cache.ref[1][x264_scan8[12]];
1312 for( y = 0; y < 4; y++ )
1314 *(uint64_t*)h->mb.mv[1][i_mb_4x4+y*s4x4+0] = *(uint64_t*)h->mb.cache.mv[1][x264_scan8[0]+8*y+0];
1315 *(uint64_t*)h->mb.mv[1][i_mb_4x4+y*s4x4+2] = *(uint64_t*)h->mb.cache.mv[1][x264_scan8[0]+8*y+2];
1322 for( i_list = 0; i_list < (h->sh.i_type == SLICE_TYPE_B ? 2 : 1 ); i_list++ )
1324 *(uint16_t*)&h->mb.ref[i_list][i_mb_8x8+0*s8x8] = (uint8_t)(-1) * 0x0101;
1325 *(uint16_t*)&h->mb.ref[i_list][i_mb_8x8+1*s8x8] = (uint8_t)(-1) * 0x0101;
1326 for( y = 0; y < 4; y++ )
1328 *(uint64_t*)h->mb.mv[i_list][i_mb_4x4+y*s4x4+0] = 0;
1329 *(uint64_t*)h->mb.mv[i_list][i_mb_4x4+y*s4x4+2] = 0;
1335 if( h->param.b_cabac )
1337 if( IS_INTRA(i_mb_type) && i_mb_type != I_PCM )
1338 h->mb.chroma_pred_mode[i_mb_xy] = x264_mb_pred_mode8x8c_fix[ h->mb.i_chroma_pred_mode ];
1340 h->mb.chroma_pred_mode[i_mb_xy] = I_PRED_CHROMA_DC;
1342 if( !IS_INTRA( i_mb_type ) && !IS_SKIP( i_mb_type ) && !IS_DIRECT( i_mb_type ) )
1344 for( y = 0; y < 4; y++ )
1346 *(uint64_t*)h->mb.mvd[0][i_mb_4x4+y*s4x4+0] = *(uint64_t*)h->mb.cache.mvd[0][x264_scan8[0]+8*y+0];
1347 *(uint64_t*)h->mb.mvd[0][i_mb_4x4+y*s4x4+2] = *(uint64_t*)h->mb.cache.mvd[0][x264_scan8[0]+8*y+2];
1349 if( h->sh.i_type == SLICE_TYPE_B )
1350 for( y = 0; y < 4; y++ )
1352 *(uint64_t*)h->mb.mvd[1][i_mb_4x4+y*s4x4+0] = *(uint64_t*)h->mb.cache.mvd[1][x264_scan8[0]+8*y+0];
1353 *(uint64_t*)h->mb.mvd[1][i_mb_4x4+y*s4x4+2] = *(uint64_t*)h->mb.cache.mvd[1][x264_scan8[0]+8*y+2];
1358 for( y = 0; y < 4; y++ )
1360 *(uint64_t*)h->mb.mvd[0][i_mb_4x4+y*s4x4+0] = 0;
1361 *(uint64_t*)h->mb.mvd[0][i_mb_4x4+y*s4x4+2] = 0;
1363 if( h->sh.i_type == SLICE_TYPE_B )
1364 for( y = 0; y < 4; y++ )
1366 *(uint64_t*)h->mb.mvd[1][i_mb_4x4+y*s4x4+0] = 0;
1367 *(uint64_t*)h->mb.mvd[1][i_mb_4x4+y*s4x4+2] = 0;
1371 if( h->sh.i_type == SLICE_TYPE_B )
1373 if( i_mb_type == B_SKIP || i_mb_type == B_DIRECT )
1374 h->mb.skipbp[i_mb_xy] = 0xf;
1375 else if( i_mb_type == B_8x8 )
1377 int skipbp = ( h->mb.i_sub_partition[0] == D_DIRECT_8x8 ) << 0;
1378 skipbp |= ( h->mb.i_sub_partition[1] == D_DIRECT_8x8 ) << 1;
1379 skipbp |= ( h->mb.i_sub_partition[2] == D_DIRECT_8x8 ) << 2;
1380 skipbp |= ( h->mb.i_sub_partition[3] == D_DIRECT_8x8 ) << 3;
1381 h->mb.skipbp[i_mb_xy] = skipbp;
1384 h->mb.skipbp[i_mb_xy] = 0;
1389 void x264_macroblock_bipred_init( x264_t *h )
1392 for( i_ref0 = 0; i_ref0 < h->i_ref0; i_ref0++ )
1394 int poc0 = h->fref0[i_ref0]->i_poc;
1395 for( i_ref1 = 0; i_ref1 < h->i_ref1; i_ref1++ )
1397 int dist_scale_factor;
1398 int poc1 = h->fref1[i_ref1]->i_poc;
1399 int td = x264_clip3( poc1 - poc0, -128, 127 );
1400 if( td == 0 /* || pic0 is a long-term ref */ )
1401 dist_scale_factor = 256;
1404 int tb = x264_clip3( h->fdec->i_poc - poc0, -128, 127 );
1405 int tx = (16384 + (abs(td) >> 1)) / td;
1406 dist_scale_factor = x264_clip3( (tb * tx + 32) >> 6, -1024, 1023 );
1408 h->mb.dist_scale_factor[i_ref0][i_ref1] = dist_scale_factor;
1410 dist_scale_factor >>= 2;
1411 if( h->param.analyse.b_weighted_bipred
1412 && dist_scale_factor >= -64
1413 && dist_scale_factor <= 128 )
1415 h->mb.bipred_weight[i_ref0][i_ref1] = 64 - dist_scale_factor;
1416 // ssse3 implementation of biweight doesn't support the extrema.
1417 // if we ever generate them, we'll have to drop that optimization.
1418 assert( dist_scale_factor >= -63 && dist_scale_factor <= 127 );
1421 h->mb.bipred_weight[i_ref0][i_ref1] = 32;
1426 for( i_ref0 = 2*h->i_ref0-1; i_ref0 >= 0; i_ref0-- )
1427 for( i_ref1 = 2*h->i_ref1-1; i_ref1 >= 0; i_ref1-- )
1428 h->mb.bipred_weight[i_ref0][i_ref1] = h->mb.bipred_weight[i_ref0>>1][i_ref1>>1];