1/* 2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11#include <limits.h> 12#include <math.h> 13#include <stdio.h> 14 15#include "./vp9_rtcd.h" 16#include "./vpx_dsp_rtcd.h" 17#include "./vpx_config.h" 18 19#include "vpx_dsp/vpx_dsp_common.h" 20#include "vpx_ports/mem.h" 21#include "vpx_ports/vpx_timer.h" 22#include "vpx_ports/system_state.h" 23 24#include "vp9/common/vp9_common.h" 25#include "vp9/common/vp9_entropy.h" 26#include "vp9/common/vp9_entropymode.h" 27#include "vp9/common/vp9_idct.h" 28#include "vp9/common/vp9_mvref_common.h" 29#include "vp9/common/vp9_pred_common.h" 30#include "vp9/common/vp9_quant_common.h" 31#include "vp9/common/vp9_reconintra.h" 32#include "vp9/common/vp9_reconinter.h" 33#include "vp9/common/vp9_seg_common.h" 34#include "vp9/common/vp9_tile_common.h" 35 36#include "vp9/encoder/vp9_aq_360.h" 37#include "vp9/encoder/vp9_aq_complexity.h" 38#include "vp9/encoder/vp9_aq_cyclicrefresh.h" 39#include "vp9/encoder/vp9_aq_variance.h" 40#include "vp9/encoder/vp9_encodeframe.h" 41#include "vp9/encoder/vp9_encodemb.h" 42#include "vp9/encoder/vp9_encodemv.h" 43#include "vp9/encoder/vp9_ethread.h" 44#include "vp9/encoder/vp9_extend.h" 45#include "vp9/encoder/vp9_pickmode.h" 46#include "vp9/encoder/vp9_rd.h" 47#include "vp9/encoder/vp9_rdopt.h" 48#include "vp9/encoder/vp9_segmentation.h" 49#include "vp9/encoder/vp9_tokenize.h" 50 51static void encode_superblock(VP9_COMP *cpi, ThreadData *td, TOKENEXTRA **t, 52 int output_enabled, int mi_row, int mi_col, 53 BLOCK_SIZE bsize, PICK_MODE_CONTEXT *ctx); 54 55// Machine learning-based early termination parameters. 56static const double train_mean[24] = { 57 303501.697372, 3042630.372158, 24.694696, 1.392182, 58 689.413511, 162.027012, 1.478213, 0.0, 59 135382.260230, 912738.513263, 28.845217, 1.515230, 60 544.158492, 131.807995, 1.436863, 0.0, 61 43682.377587, 208131.711766, 28.084737, 1.356677, 62 138.254122, 119.522553, 1.252322, 0.0 63}; 64 65static const double train_stdm[24] = { 66 673689.212982, 5996652.516628, 0.024449, 1.989792, 67 985.880847, 0.014638, 2.001898, 0.0, 68 208798.775332, 1812548.443284, 0.018693, 1.838009, 69 396.986910, 0.015657, 1.332541, 0.0, 70 55888.847031, 448587.962714, 0.017900, 1.904776, 71 98.652832, 0.016598, 1.320992, 0.0 72}; 73 74// Error tolerance: 0.01%-0.0.05%-0.1% 75static const double classifiers[24] = { 76 0.111736, 0.289977, 0.042219, 0.204765, 0.120410, -0.143863, 77 0.282376, 0.847811, 0.637161, 0.131570, 0.018636, 0.202134, 78 0.112797, 0.028162, 0.182450, 1.124367, 0.386133, 0.083700, 79 0.050028, 0.150873, 0.061119, 0.109318, 0.127255, 0.625211 80}; 81 82// This is used as a reference when computing the source variance for the 83// purpose of activity masking. 84// Eventually this should be replaced by custom no-reference routines, 85// which will be faster. 86static const uint8_t VP9_VAR_OFFS[64] = { 87 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 88 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 89 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 90 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 91 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 92}; 93 94#if CONFIG_VP9_HIGHBITDEPTH 95static const uint16_t VP9_HIGH_VAR_OFFS_8[64] = { 96 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 97 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 98 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 99 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 100 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 101}; 102 103static const uint16_t VP9_HIGH_VAR_OFFS_10[64] = { 104 128 * 4, 128 * 4, 128 * 4, 128 * 4, 128 * 4, 128 * 4, 128 * 4, 128 * 4, 105 128 * 4, 128 * 4, 128 * 4, 128 * 4, 128 * 4, 128 * 4, 128 * 4, 128 * 4, 106 128 * 4, 128 * 4, 128 * 4, 128 * 4, 128 * 4, 128 * 4, 128 * 4, 128 * 4, 107 128 * 4, 128 * 4, 128 * 4, 128 * 4, 128 * 4, 128 * 4, 128 * 4, 128 * 4, 108 128 * 4, 128 * 4, 128 * 4, 128 * 4, 128 * 4, 128 * 4, 128 * 4, 128 * 4, 109 128 * 4, 128 * 4, 128 * 4, 128 * 4, 128 * 4, 128 * 4, 128 * 4, 128 * 4, 110 128 * 4, 128 * 4, 128 * 4, 128 * 4, 128 * 4, 128 * 4, 128 * 4, 128 * 4, 111 128 * 4, 128 * 4, 128 * 4, 128 * 4, 128 * 4, 128 * 4, 128 * 4, 128 * 4 112}; 113 114static const uint16_t VP9_HIGH_VAR_OFFS_12[64] = { 115 128 * 16, 128 * 16, 128 * 16, 128 * 16, 128 * 16, 128 * 16, 128 * 16, 116 128 * 16, 128 * 16, 128 * 16, 128 * 16, 128 * 16, 128 * 16, 128 * 16, 117 128 * 16, 128 * 16, 128 * 16, 128 * 16, 128 * 16, 128 * 16, 128 * 16, 118 128 * 16, 128 * 16, 128 * 16, 128 * 16, 128 * 16, 128 * 16, 128 * 16, 119 128 * 16, 128 * 16, 128 * 16, 128 * 16, 128 * 16, 128 * 16, 128 * 16, 120 128 * 16, 128 * 16, 128 * 16, 128 * 16, 128 * 16, 128 * 16, 128 * 16, 121 128 * 16, 128 * 16, 128 * 16, 128 * 16, 128 * 16, 128 * 16, 128 * 16, 122 128 * 16, 128 * 16, 128 * 16, 128 * 16, 128 * 16, 128 * 16, 128 * 16, 123 128 * 16, 128 * 16, 128 * 16, 128 * 16, 128 * 16, 128 * 16, 128 * 16, 124 128 * 16 125}; 126#endif // CONFIG_VP9_HIGHBITDEPTH 127 128unsigned int vp9_get_sby_perpixel_variance(VP9_COMP *cpi, 129 const struct buf_2d *ref, 130 BLOCK_SIZE bs) { 131 unsigned int sse; 132 const unsigned int var = 133 cpi->fn_ptr[bs].vf(ref->buf, ref->stride, VP9_VAR_OFFS, 0, &sse); 134 return ROUND_POWER_OF_TWO(var, num_pels_log2_lookup[bs]); 135} 136 137#if CONFIG_VP9_HIGHBITDEPTH 138unsigned int vp9_high_get_sby_perpixel_variance(VP9_COMP *cpi, 139 const struct buf_2d *ref, 140 BLOCK_SIZE bs, int bd) { 141 unsigned int var, sse; 142 switch (bd) { 143 case 10: 144 var = 145 cpi->fn_ptr[bs].vf(ref->buf, ref->stride, 146 CONVERT_TO_BYTEPTR(VP9_HIGH_VAR_OFFS_10), 0, &sse); 147 break; 148 case 12: 149 var = 150 cpi->fn_ptr[bs].vf(ref->buf, ref->stride, 151 CONVERT_TO_BYTEPTR(VP9_HIGH_VAR_OFFS_12), 0, &sse); 152 break; 153 case 8: 154 default: 155 var = 156 cpi->fn_ptr[bs].vf(ref->buf, ref->stride, 157 CONVERT_TO_BYTEPTR(VP9_HIGH_VAR_OFFS_8), 0, &sse); 158 break; 159 } 160 return (unsigned int)ROUND64_POWER_OF_TWO((int64_t)var, 161 num_pels_log2_lookup[bs]); 162} 163#endif // CONFIG_VP9_HIGHBITDEPTH 164 165static unsigned int get_sby_perpixel_diff_variance(VP9_COMP *cpi, 166 const struct buf_2d *ref, 167 int mi_row, int mi_col, 168 BLOCK_SIZE bs) { 169 unsigned int sse, var; 170 uint8_t *last_y; 171 const YV12_BUFFER_CONFIG *last = get_ref_frame_buffer(cpi, LAST_FRAME); 172 173 assert(last != NULL); 174 last_y = 175 &last->y_buffer[mi_row * MI_SIZE * last->y_stride + mi_col * MI_SIZE]; 176 var = cpi->fn_ptr[bs].vf(ref->buf, ref->stride, last_y, last->y_stride, &sse); 177 return ROUND_POWER_OF_TWO(var, num_pels_log2_lookup[bs]); 178} 179 180static BLOCK_SIZE get_rd_var_based_fixed_partition(VP9_COMP *cpi, MACROBLOCK *x, 181 int mi_row, int mi_col) { 182 unsigned int var = get_sby_perpixel_diff_variance( 183 cpi, &x->plane[0].src, mi_row, mi_col, BLOCK_64X64); 184 if (var < 8) 185 return BLOCK_64X64; 186 else if (var < 128) 187 return BLOCK_32X32; 188 else if (var < 2048) 189 return BLOCK_16X16; 190 else 191 return BLOCK_8X8; 192} 193 194// Lighter version of set_offsets that only sets the mode info 195// pointers. 196static INLINE void set_mode_info_offsets(VP9_COMMON *const cm, 197 MACROBLOCK *const x, 198 MACROBLOCKD *const xd, int mi_row, 199 int mi_col) { 200 const int idx_str = xd->mi_stride * mi_row + mi_col; 201 xd->mi = cm->mi_grid_visible + idx_str; 202 xd->mi[0] = cm->mi + idx_str; 203 x->mbmi_ext = x->mbmi_ext_base + (mi_row * cm->mi_cols + mi_col); 204} 205 206static void set_offsets(VP9_COMP *cpi, const TileInfo *const tile, 207 MACROBLOCK *const x, int mi_row, int mi_col, 208 BLOCK_SIZE bsize) { 209 VP9_COMMON *const cm = &cpi->common; 210 MACROBLOCKD *const xd = &x->e_mbd; 211 MODE_INFO *mi; 212 const int mi_width = num_8x8_blocks_wide_lookup[bsize]; 213 const int mi_height = num_8x8_blocks_high_lookup[bsize]; 214 const struct segmentation *const seg = &cm->seg; 215 MvLimits *const mv_limits = &x->mv_limits; 216 217 set_skip_context(xd, mi_row, mi_col); 218 219 set_mode_info_offsets(cm, x, xd, mi_row, mi_col); 220 221 mi = xd->mi[0]; 222 223 // Set up destination pointers. 224 vp9_setup_dst_planes(xd->plane, get_frame_new_buffer(cm), mi_row, mi_col); 225 226 // Set up limit values for MV components. 227 // Mv beyond the range do not produce new/different prediction block. 228 mv_limits->row_min = -(((mi_row + mi_height) * MI_SIZE) + VP9_INTERP_EXTEND); 229 mv_limits->col_min = -(((mi_col + mi_width) * MI_SIZE) + VP9_INTERP_EXTEND); 230 mv_limits->row_max = (cm->mi_rows - mi_row) * MI_SIZE + VP9_INTERP_EXTEND; 231 mv_limits->col_max = (cm->mi_cols - mi_col) * MI_SIZE + VP9_INTERP_EXTEND; 232 233 // Set up distance of MB to edge of frame in 1/8th pel units. 234 assert(!(mi_col & (mi_width - 1)) && !(mi_row & (mi_height - 1))); 235 set_mi_row_col(xd, tile, mi_row, mi_height, mi_col, mi_width, cm->mi_rows, 236 cm->mi_cols); 237 238 // Set up source buffers. 239 vp9_setup_src_planes(x, cpi->Source, mi_row, mi_col); 240 241 // R/D setup. 242 x->rddiv = cpi->rd.RDDIV; 243 x->rdmult = cpi->rd.RDMULT; 244 245 // Setup segment ID. 246 if (seg->enabled) { 247 if (cpi->oxcf.aq_mode != VARIANCE_AQ && cpi->oxcf.aq_mode != LOOKAHEAD_AQ && 248 cpi->oxcf.aq_mode != EQUATOR360_AQ) { 249 const uint8_t *const map = 250 seg->update_map ? cpi->segmentation_map : cm->last_frame_seg_map; 251 mi->segment_id = get_segment_id(cm, map, bsize, mi_row, mi_col); 252 } 253 vp9_init_plane_quantizers(cpi, x); 254 255 x->encode_breakout = cpi->segment_encode_breakout[mi->segment_id]; 256 } else { 257 mi->segment_id = 0; 258 x->encode_breakout = cpi->encode_breakout; 259 } 260 261 // required by vp9_append_sub8x8_mvs_for_idx() and vp9_find_best_ref_mvs() 262 xd->tile = *tile; 263} 264 265static void duplicate_mode_info_in_sb(VP9_COMMON *cm, MACROBLOCKD *xd, 266 int mi_row, int mi_col, 267 BLOCK_SIZE bsize) { 268 const int block_width = 269 VPXMIN(num_8x8_blocks_wide_lookup[bsize], cm->mi_cols - mi_col); 270 const int block_height = 271 VPXMIN(num_8x8_blocks_high_lookup[bsize], cm->mi_rows - mi_row); 272 const int mi_stride = xd->mi_stride; 273 MODE_INFO *const src_mi = xd->mi[0]; 274 int i, j; 275 276 for (j = 0; j < block_height; ++j) 277 for (i = 0; i < block_width; ++i) xd->mi[j * mi_stride + i] = src_mi; 278} 279 280static void set_block_size(VP9_COMP *const cpi, MACROBLOCK *const x, 281 MACROBLOCKD *const xd, int mi_row, int mi_col, 282 BLOCK_SIZE bsize) { 283 if (cpi->common.mi_cols > mi_col && cpi->common.mi_rows > mi_row) { 284 set_mode_info_offsets(&cpi->common, x, xd, mi_row, mi_col); 285 xd->mi[0]->sb_type = bsize; 286 } 287} 288 289typedef struct { 290 int64_t sum_square_error; 291 int64_t sum_error; 292 int log2_count; 293 int variance; 294} var; 295 296typedef struct { 297 var none; 298 var horz[2]; 299 var vert[2]; 300} partition_variance; 301 302typedef struct { 303 partition_variance part_variances; 304 var split[4]; 305} v4x4; 306 307typedef struct { 308 partition_variance part_variances; 309 v4x4 split[4]; 310} v8x8; 311 312typedef struct { 313 partition_variance part_variances; 314 v8x8 split[4]; 315} v16x16; 316 317typedef struct { 318 partition_variance part_variances; 319 v16x16 split[4]; 320} v32x32; 321 322typedef struct { 323 partition_variance part_variances; 324 v32x32 split[4]; 325} v64x64; 326 327typedef struct { 328 partition_variance *part_variances; 329 var *split[4]; 330} variance_node; 331 332typedef enum { 333 V16X16, 334 V32X32, 335 V64X64, 336} TREE_LEVEL; 337 338static void tree_to_node(void *data, BLOCK_SIZE bsize, variance_node *node) { 339 int i; 340 node->part_variances = NULL; 341 switch (bsize) { 342 case BLOCK_64X64: { 343 v64x64 *vt = (v64x64 *)data; 344 node->part_variances = &vt->part_variances; 345 for (i = 0; i < 4; i++) 346 node->split[i] = &vt->split[i].part_variances.none; 347 break; 348 } 349 case BLOCK_32X32: { 350 v32x32 *vt = (v32x32 *)data; 351 node->part_variances = &vt->part_variances; 352 for (i = 0; i < 4; i++) 353 node->split[i] = &vt->split[i].part_variances.none; 354 break; 355 } 356 case BLOCK_16X16: { 357 v16x16 *vt = (v16x16 *)data; 358 node->part_variances = &vt->part_variances; 359 for (i = 0; i < 4; i++) 360 node->split[i] = &vt->split[i].part_variances.none; 361 break; 362 } 363 case BLOCK_8X8: { 364 v8x8 *vt = (v8x8 *)data; 365 node->part_variances = &vt->part_variances; 366 for (i = 0; i < 4; i++) 367 node->split[i] = &vt->split[i].part_variances.none; 368 break; 369 } 370 case BLOCK_4X4: { 371 v4x4 *vt = (v4x4 *)data; 372 node->part_variances = &vt->part_variances; 373 for (i = 0; i < 4; i++) node->split[i] = &vt->split[i]; 374 break; 375 } 376 default: { 377 assert(0); 378 break; 379 } 380 } 381} 382 383// Set variance values given sum square error, sum error, count. 384static void fill_variance(int64_t s2, int64_t s, int c, var *v) { 385 v->sum_square_error = s2; 386 v->sum_error = s; 387 v->log2_count = c; 388} 389 390static void get_variance(var *v) { 391 v->variance = 392 (int)(256 * (v->sum_square_error - 393 ((v->sum_error * v->sum_error) >> v->log2_count)) >> 394 v->log2_count); 395} 396 397static void sum_2_variances(const var *a, const var *b, var *r) { 398 assert(a->log2_count == b->log2_count); 399 fill_variance(a->sum_square_error + b->sum_square_error, 400 a->sum_error + b->sum_error, a->log2_count + 1, r); 401} 402 403static void fill_variance_tree(void *data, BLOCK_SIZE bsize) { 404 variance_node node; 405 memset(&node, 0, sizeof(node)); 406 tree_to_node(data, bsize, &node); 407 sum_2_variances(node.split[0], node.split[1], &node.part_variances->horz[0]); 408 sum_2_variances(node.split[2], node.split[3], &node.part_variances->horz[1]); 409 sum_2_variances(node.split[0], node.split[2], &node.part_variances->vert[0]); 410 sum_2_variances(node.split[1], node.split[3], &node.part_variances->vert[1]); 411 sum_2_variances(&node.part_variances->vert[0], &node.part_variances->vert[1], 412 &node.part_variances->none); 413} 414 415static int set_vt_partitioning(VP9_COMP *cpi, MACROBLOCK *const x, 416 MACROBLOCKD *const xd, void *data, 417 BLOCK_SIZE bsize, int mi_row, int mi_col, 418 int64_t threshold, BLOCK_SIZE bsize_min, 419 int force_split) { 420 VP9_COMMON *const cm = &cpi->common; 421 variance_node vt; 422 const int block_width = num_8x8_blocks_wide_lookup[bsize]; 423 const int block_height = num_8x8_blocks_high_lookup[bsize]; 424 425 assert(block_height == block_width); 426 tree_to_node(data, bsize, &vt); 427 428 if (force_split == 1) return 0; 429 430 // For bsize=bsize_min (16x16/8x8 for 8x8/4x4 downsampling), select if 431 // variance is below threshold, otherwise split will be selected. 432 // No check for vert/horiz split as too few samples for variance. 433 if (bsize == bsize_min) { 434 // Variance already computed to set the force_split. 435 if (cm->frame_type == KEY_FRAME) get_variance(&vt.part_variances->none); 436 if (mi_col + block_width / 2 < cm->mi_cols && 437 mi_row + block_height / 2 < cm->mi_rows && 438 vt.part_variances->none.variance < threshold) { 439 set_block_size(cpi, x, xd, mi_row, mi_col, bsize); 440 return 1; 441 } 442 return 0; 443 } else if (bsize > bsize_min) { 444 // Variance already computed to set the force_split. 445 if (cm->frame_type == KEY_FRAME) get_variance(&vt.part_variances->none); 446 // For key frame: take split for bsize above 32X32 or very high variance. 447 if (cm->frame_type == KEY_FRAME && 448 (bsize > BLOCK_32X32 || 449 vt.part_variances->none.variance > (threshold << 4))) { 450 return 0; 451 } 452 // If variance is low, take the bsize (no split). 453 if (mi_col + block_width / 2 < cm->mi_cols && 454 mi_row + block_height / 2 < cm->mi_rows && 455 vt.part_variances->none.variance < threshold) { 456 set_block_size(cpi, x, xd, mi_row, mi_col, bsize); 457 return 1; 458 } 459 460 // Check vertical split. 461 if (mi_row + block_height / 2 < cm->mi_rows) { 462 BLOCK_SIZE subsize = get_subsize(bsize, PARTITION_VERT); 463 get_variance(&vt.part_variances->vert[0]); 464 get_variance(&vt.part_variances->vert[1]); 465 if (vt.part_variances->vert[0].variance < threshold && 466 vt.part_variances->vert[1].variance < threshold && 467 get_plane_block_size(subsize, &xd->plane[1]) < BLOCK_INVALID) { 468 set_block_size(cpi, x, xd, mi_row, mi_col, subsize); 469 set_block_size(cpi, x, xd, mi_row, mi_col + block_width / 2, subsize); 470 return 1; 471 } 472 } 473 // Check horizontal split. 474 if (mi_col + block_width / 2 < cm->mi_cols) { 475 BLOCK_SIZE subsize = get_subsize(bsize, PARTITION_HORZ); 476 get_variance(&vt.part_variances->horz[0]); 477 get_variance(&vt.part_variances->horz[1]); 478 if (vt.part_variances->horz[0].variance < threshold && 479 vt.part_variances->horz[1].variance < threshold && 480 get_plane_block_size(subsize, &xd->plane[1]) < BLOCK_INVALID) { 481 set_block_size(cpi, x, xd, mi_row, mi_col, subsize); 482 set_block_size(cpi, x, xd, mi_row + block_height / 2, mi_col, subsize); 483 return 1; 484 } 485 } 486 487 return 0; 488 } 489 return 0; 490} 491 492int64_t scale_part_thresh_sumdiff(int64_t threshold_base, int speed, int width, 493 int height, int content_state) { 494 if (speed >= 8) { 495 if (width <= 640 && height <= 480) 496 return (5 * threshold_base) >> 2; 497 else if ((content_state == kLowSadLowSumdiff) || 498 (content_state == kHighSadLowSumdiff) || 499 (content_state == kLowVarHighSumdiff)) 500 return (5 * threshold_base) >> 2; 501 } else if (speed == 7) { 502 if ((content_state == kLowSadLowSumdiff) || 503 (content_state == kHighSadLowSumdiff) || 504 (content_state == kLowVarHighSumdiff)) { 505 return (5 * threshold_base) >> 2; 506 } 507 } 508 return threshold_base; 509} 510 511// Set the variance split thresholds for following the block sizes: 512// 0 - threshold_64x64, 1 - threshold_32x32, 2 - threshold_16x16, 513// 3 - vbp_threshold_8x8. vbp_threshold_8x8 (to split to 4x4 partition) is 514// currently only used on key frame. 515static void set_vbp_thresholds(VP9_COMP *cpi, int64_t thresholds[], int q, 516 int content_state) { 517 VP9_COMMON *const cm = &cpi->common; 518 const int is_key_frame = (cm->frame_type == KEY_FRAME); 519 const int threshold_multiplier = is_key_frame ? 20 : 1; 520 int64_t threshold_base = 521 (int64_t)(threshold_multiplier * cpi->y_dequant[q][1]); 522 523 if (is_key_frame) { 524 thresholds[0] = threshold_base; 525 thresholds[1] = threshold_base >> 2; 526 thresholds[2] = threshold_base >> 2; 527 thresholds[3] = threshold_base << 2; 528 } else { 529 // Increase base variance threshold based on estimated noise level. 530 if (cpi->noise_estimate.enabled && cm->width >= 640 && cm->height >= 480) { 531 NOISE_LEVEL noise_level = 532 vp9_noise_estimate_extract_level(&cpi->noise_estimate); 533 if (noise_level == kHigh) 534 threshold_base = 3 * threshold_base; 535 else if (noise_level == kMedium) 536 threshold_base = threshold_base << 1; 537 else if (noise_level < kLow) 538 threshold_base = (7 * threshold_base) >> 3; 539 } 540#if CONFIG_VP9_TEMPORAL_DENOISING 541 if (cpi->oxcf.noise_sensitivity > 0 && denoise_svc(cpi) && 542 cpi->oxcf.speed > 5 && cpi->denoiser.denoising_level >= kDenLow) 543 threshold_base = 544 vp9_scale_part_thresh(threshold_base, cpi->denoiser.denoising_level, 545 content_state, cpi->svc.temporal_layer_id); 546 else 547 threshold_base = 548 scale_part_thresh_sumdiff(threshold_base, cpi->oxcf.speed, cm->width, 549 cm->height, content_state); 550#else 551 // Increase base variance threshold based on content_state/sum_diff level. 552 threshold_base = scale_part_thresh_sumdiff( 553 threshold_base, cpi->oxcf.speed, cm->width, cm->height, content_state); 554#endif 555 thresholds[0] = threshold_base; 556 thresholds[2] = threshold_base << cpi->oxcf.speed; 557 if (cm->width <= 352 && cm->height <= 288) { 558 thresholds[0] = threshold_base >> 3; 559 thresholds[1] = threshold_base >> 1; 560 thresholds[2] = threshold_base << 3; 561 } else if (cm->width < 1280 && cm->height < 720) { 562 thresholds[1] = (5 * threshold_base) >> 2; 563 } else if (cm->width < 1920 && cm->height < 1080) { 564 thresholds[1] = threshold_base << 1; 565 } else { 566 thresholds[1] = (5 * threshold_base) >> 1; 567 } 568 } 569} 570 571void vp9_set_variance_partition_thresholds(VP9_COMP *cpi, int q, 572 int content_state) { 573 VP9_COMMON *const cm = &cpi->common; 574 SPEED_FEATURES *const sf = &cpi->sf; 575 const int is_key_frame = (cm->frame_type == KEY_FRAME); 576 if (sf->partition_search_type != VAR_BASED_PARTITION && 577 sf->partition_search_type != REFERENCE_PARTITION) { 578 return; 579 } else { 580 set_vbp_thresholds(cpi, cpi->vbp_thresholds, q, content_state); 581 // The thresholds below are not changed locally. 582 if (is_key_frame) { 583 cpi->vbp_threshold_sad = 0; 584 cpi->vbp_threshold_copy = 0; 585 cpi->vbp_bsize_min = BLOCK_8X8; 586 } else { 587 if (cm->width <= 352 && cm->height <= 288) 588 cpi->vbp_threshold_sad = 10; 589 else 590 cpi->vbp_threshold_sad = (cpi->y_dequant[q][1] << 1) > 1000 591 ? (cpi->y_dequant[q][1] << 1) 592 : 1000; 593 cpi->vbp_bsize_min = BLOCK_16X16; 594 if (cm->width <= 352 && cm->height <= 288) 595 cpi->vbp_threshold_copy = 4000; 596 else if (cm->width <= 640 && cm->height <= 360) 597 cpi->vbp_threshold_copy = 8000; 598 else 599 cpi->vbp_threshold_copy = (cpi->y_dequant[q][1] << 3) > 8000 600 ? (cpi->y_dequant[q][1] << 3) 601 : 8000; 602 } 603 cpi->vbp_threshold_minmax = 15 + (q >> 3); 604 } 605} 606 607// Compute the minmax over the 8x8 subblocks. 608static int compute_minmax_8x8(const uint8_t *s, int sp, const uint8_t *d, 609 int dp, int x16_idx, int y16_idx, 610#if CONFIG_VP9_HIGHBITDEPTH 611 int highbd_flag, 612#endif 613 int pixels_wide, int pixels_high) { 614 int k; 615 int minmax_max = 0; 616 int minmax_min = 255; 617 // Loop over the 4 8x8 subblocks. 618 for (k = 0; k < 4; k++) { 619 int x8_idx = x16_idx + ((k & 1) << 3); 620 int y8_idx = y16_idx + ((k >> 1) << 3); 621 int min = 0; 622 int max = 0; 623 if (x8_idx < pixels_wide && y8_idx < pixels_high) { 624#if CONFIG_VP9_HIGHBITDEPTH 625 if (highbd_flag & YV12_FLAG_HIGHBITDEPTH) { 626 vpx_highbd_minmax_8x8(s + y8_idx * sp + x8_idx, sp, 627 d + y8_idx * dp + x8_idx, dp, &min, &max); 628 } else { 629 vpx_minmax_8x8(s + y8_idx * sp + x8_idx, sp, d + y8_idx * dp + x8_idx, 630 dp, &min, &max); 631 } 632#else 633 vpx_minmax_8x8(s + y8_idx * sp + x8_idx, sp, d + y8_idx * dp + x8_idx, dp, 634 &min, &max); 635#endif 636 if ((max - min) > minmax_max) minmax_max = (max - min); 637 if ((max - min) < minmax_min) minmax_min = (max - min); 638 } 639 } 640 return (minmax_max - minmax_min); 641} 642 643static void fill_variance_4x4avg(const uint8_t *s, int sp, const uint8_t *d, 644 int dp, int x8_idx, int y8_idx, v8x8 *vst, 645#if CONFIG_VP9_HIGHBITDEPTH 646 int highbd_flag, 647#endif 648 int pixels_wide, int pixels_high, 649 int is_key_frame) { 650 int k; 651 for (k = 0; k < 4; k++) { 652 int x4_idx = x8_idx + ((k & 1) << 2); 653 int y4_idx = y8_idx + ((k >> 1) << 2); 654 unsigned int sse = 0; 655 int sum = 0; 656 if (x4_idx < pixels_wide && y4_idx < pixels_high) { 657 int s_avg; 658 int d_avg = 128; 659#if CONFIG_VP9_HIGHBITDEPTH 660 if (highbd_flag & YV12_FLAG_HIGHBITDEPTH) { 661 s_avg = vpx_highbd_avg_4x4(s + y4_idx * sp + x4_idx, sp); 662 if (!is_key_frame) 663 d_avg = vpx_highbd_avg_4x4(d + y4_idx * dp + x4_idx, dp); 664 } else { 665 s_avg = vpx_avg_4x4(s + y4_idx * sp + x4_idx, sp); 666 if (!is_key_frame) d_avg = vpx_avg_4x4(d + y4_idx * dp + x4_idx, dp); 667 } 668#else 669 s_avg = vpx_avg_4x4(s + y4_idx * sp + x4_idx, sp); 670 if (!is_key_frame) d_avg = vpx_avg_4x4(d + y4_idx * dp + x4_idx, dp); 671#endif 672 sum = s_avg - d_avg; 673 sse = sum * sum; 674 } 675 fill_variance(sse, sum, 0, &vst->split[k].part_variances.none); 676 } 677} 678 679static void fill_variance_8x8avg(const uint8_t *s, int sp, const uint8_t *d, 680 int dp, int x16_idx, int y16_idx, v16x16 *vst, 681#if CONFIG_VP9_HIGHBITDEPTH 682 int highbd_flag, 683#endif 684 int pixels_wide, int pixels_high, 685 int is_key_frame) { 686 int k; 687 for (k = 0; k < 4; k++) { 688 int x8_idx = x16_idx + ((k & 1) << 3); 689 int y8_idx = y16_idx + ((k >> 1) << 3); 690 unsigned int sse = 0; 691 int sum = 0; 692 if (x8_idx < pixels_wide && y8_idx < pixels_high) { 693 int s_avg; 694 int d_avg = 128; 695#if CONFIG_VP9_HIGHBITDEPTH 696 if (highbd_flag & YV12_FLAG_HIGHBITDEPTH) { 697 s_avg = vpx_highbd_avg_8x8(s + y8_idx * sp + x8_idx, sp); 698 if (!is_key_frame) 699 d_avg = vpx_highbd_avg_8x8(d + y8_idx * dp + x8_idx, dp); 700 } else { 701 s_avg = vpx_avg_8x8(s + y8_idx * sp + x8_idx, sp); 702 if (!is_key_frame) d_avg = vpx_avg_8x8(d + y8_idx * dp + x8_idx, dp); 703 } 704#else 705 s_avg = vpx_avg_8x8(s + y8_idx * sp + x8_idx, sp); 706 if (!is_key_frame) d_avg = vpx_avg_8x8(d + y8_idx * dp + x8_idx, dp); 707#endif 708 sum = s_avg - d_avg; 709 sse = sum * sum; 710 } 711 fill_variance(sse, sum, 0, &vst->split[k].part_variances.none); 712 } 713} 714 715// Check if most of the superblock is skin content, and if so, force split to 716// 32x32, and set x->sb_is_skin for use in mode selection. 717static int skin_sb_split(VP9_COMP *cpi, MACROBLOCK *x, const int low_res, 718 int mi_row, int mi_col, int *force_split) { 719 VP9_COMMON *const cm = &cpi->common; 720#if CONFIG_VP9_HIGHBITDEPTH 721 if (cm->use_highbitdepth) return 0; 722#endif 723 // Avoid checking superblocks on/near boundary and avoid low resolutions. 724 // Note superblock may still pick 64X64 if y_sad is very small 725 // (i.e., y_sad < cpi->vbp_threshold_sad) below. For now leave this as is. 726 if (!low_res && (mi_col >= 8 && mi_col + 8 < cm->mi_cols && mi_row >= 8 && 727 mi_row + 8 < cm->mi_rows)) { 728 int num_16x16_skin = 0; 729 int num_16x16_nonskin = 0; 730 uint8_t *ysignal = x->plane[0].src.buf; 731 uint8_t *usignal = x->plane[1].src.buf; 732 uint8_t *vsignal = x->plane[2].src.buf; 733 int sp = x->plane[0].src.stride; 734 int spuv = x->plane[1].src.stride; 735 const int block_index = mi_row * cm->mi_cols + mi_col; 736 const int bw = num_8x8_blocks_wide_lookup[BLOCK_64X64]; 737 const int bh = num_8x8_blocks_high_lookup[BLOCK_64X64]; 738 const int xmis = VPXMIN(cm->mi_cols - mi_col, bw); 739 const int ymis = VPXMIN(cm->mi_rows - mi_row, bh); 740 // Loop through the 16x16 sub-blocks. 741 int i, j; 742 for (i = 0; i < ymis; i += 2) { 743 for (j = 0; j < xmis; j += 2) { 744 int bl_index = block_index + i * cm->mi_cols + j; 745 int bl_index1 = bl_index + 1; 746 int bl_index2 = bl_index + cm->mi_cols; 747 int bl_index3 = bl_index2 + 1; 748 int consec_zeromv = 749 VPXMIN(cpi->consec_zero_mv[bl_index], 750 VPXMIN(cpi->consec_zero_mv[bl_index1], 751 VPXMIN(cpi->consec_zero_mv[bl_index2], 752 cpi->consec_zero_mv[bl_index3]))); 753 int is_skin = vp9_compute_skin_block( 754 ysignal, usignal, vsignal, sp, spuv, BLOCK_16X16, consec_zeromv, 0); 755 num_16x16_skin += is_skin; 756 num_16x16_nonskin += (1 - is_skin); 757 if (num_16x16_nonskin > 3) { 758 // Exit loop if at least 4 of the 16x16 blocks are not skin. 759 i = ymis; 760 break; 761 } 762 ysignal += 16; 763 usignal += 8; 764 vsignal += 8; 765 } 766 ysignal += (sp << 4) - 64; 767 usignal += (spuv << 3) - 32; 768 vsignal += (spuv << 3) - 32; 769 } 770 if (num_16x16_skin > 12) { 771 *force_split = 1; 772 return 1; 773 } 774 } 775 return 0; 776} 777 778static void set_low_temp_var_flag(VP9_COMP *cpi, MACROBLOCK *x, MACROBLOCKD *xd, 779 v64x64 *vt, int64_t thresholds[], 780 MV_REFERENCE_FRAME ref_frame_partition, 781 int mi_col, int mi_row) { 782 int i, j; 783 VP9_COMMON *const cm = &cpi->common; 784 const int mv_thr = cm->width > 640 ? 8 : 4; 785 // Check temporal variance for bsize >= 16x16, if LAST_FRAME was selected and 786 // int_pro mv is small. If the temporal variance is small set the flag 787 // variance_low for the block. The variance threshold can be adjusted, the 788 // higher the more aggressive. 789 if (ref_frame_partition == LAST_FRAME && 790 (cpi->sf.short_circuit_low_temp_var == 1 || 791 (xd->mi[0]->mv[0].as_mv.col < mv_thr && 792 xd->mi[0]->mv[0].as_mv.col > -mv_thr && 793 xd->mi[0]->mv[0].as_mv.row < mv_thr && 794 xd->mi[0]->mv[0].as_mv.row > -mv_thr))) { 795 if (xd->mi[0]->sb_type == BLOCK_64X64) { 796 if ((vt->part_variances).none.variance < (thresholds[0] >> 1)) 797 x->variance_low[0] = 1; 798 } else if (xd->mi[0]->sb_type == BLOCK_64X32) { 799 for (i = 0; i < 2; i++) { 800 if (vt->part_variances.horz[i].variance < (thresholds[0] >> 2)) 801 x->variance_low[i + 1] = 1; 802 } 803 } else if (xd->mi[0]->sb_type == BLOCK_32X64) { 804 for (i = 0; i < 2; i++) { 805 if (vt->part_variances.vert[i].variance < (thresholds[0] >> 2)) 806 x->variance_low[i + 3] = 1; 807 } 808 } else { 809 for (i = 0; i < 4; i++) { 810 const int idx[4][2] = { { 0, 0 }, { 0, 4 }, { 4, 0 }, { 4, 4 } }; 811 const int idx_str = 812 cm->mi_stride * (mi_row + idx[i][0]) + mi_col + idx[i][1]; 813 MODE_INFO **this_mi = cm->mi_grid_visible + idx_str; 814 815 if (cm->mi_cols <= mi_col + idx[i][1] || 816 cm->mi_rows <= mi_row + idx[i][0]) 817 continue; 818 819 if ((*this_mi)->sb_type == BLOCK_32X32) { 820 int64_t threshold_32x32 = (cpi->sf.short_circuit_low_temp_var == 1 || 821 cpi->sf.short_circuit_low_temp_var == 3) 822 ? ((5 * thresholds[1]) >> 3) 823 : (thresholds[1] >> 1); 824 if (vt->split[i].part_variances.none.variance < threshold_32x32) 825 x->variance_low[i + 5] = 1; 826 } else if (cpi->sf.short_circuit_low_temp_var >= 2) { 827 // For 32x16 and 16x32 blocks, the flag is set on each 16x16 block 828 // inside. 829 if ((*this_mi)->sb_type == BLOCK_16X16 || 830 (*this_mi)->sb_type == BLOCK_32X16 || 831 (*this_mi)->sb_type == BLOCK_16X32) { 832 for (j = 0; j < 4; j++) { 833 if (vt->split[i].split[j].part_variances.none.variance < 834 (thresholds[2] >> 8)) 835 x->variance_low[(i << 2) + j + 9] = 1; 836 } 837 } 838 } 839 } 840 } 841 } 842} 843 844static void copy_partitioning_helper(VP9_COMP *cpi, MACROBLOCK *x, 845 MACROBLOCKD *xd, BLOCK_SIZE bsize, 846 int mi_row, int mi_col) { 847 VP9_COMMON *const cm = &cpi->common; 848 BLOCK_SIZE *prev_part = cpi->prev_partition; 849 int start_pos = mi_row * cm->mi_stride + mi_col; 850 851 const int bsl = b_width_log2_lookup[bsize]; 852 const int bs = (1 << bsl) / 4; 853 BLOCK_SIZE subsize; 854 PARTITION_TYPE partition; 855 856 if (mi_row >= cm->mi_rows || mi_col >= cm->mi_cols) return; 857 858 partition = partition_lookup[bsl][prev_part[start_pos]]; 859 subsize = get_subsize(bsize, partition); 860 861 if (subsize < BLOCK_8X8) { 862 set_block_size(cpi, x, xd, mi_row, mi_col, bsize); 863 } else { 864 switch (partition) { 865 case PARTITION_NONE: 866 set_block_size(cpi, x, xd, mi_row, mi_col, bsize); 867 break; 868 case PARTITION_HORZ: 869 set_block_size(cpi, x, xd, mi_row, mi_col, subsize); 870 set_block_size(cpi, x, xd, mi_row + bs, mi_col, subsize); 871 break; 872 case PARTITION_VERT: 873 set_block_size(cpi, x, xd, mi_row, mi_col, subsize); 874 set_block_size(cpi, x, xd, mi_row, mi_col + bs, subsize); 875 break; 876 case PARTITION_SPLIT: 877 copy_partitioning_helper(cpi, x, xd, subsize, mi_row, mi_col); 878 copy_partitioning_helper(cpi, x, xd, subsize, mi_row + bs, mi_col); 879 copy_partitioning_helper(cpi, x, xd, subsize, mi_row, mi_col + bs); 880 copy_partitioning_helper(cpi, x, xd, subsize, mi_row + bs, mi_col + bs); 881 break; 882 default: assert(0); 883 } 884 } 885} 886 887static int copy_partitioning(VP9_COMP *cpi, MACROBLOCK *x, MACROBLOCKD *xd, 888 int mi_row, int mi_col, int segment_id, 889 int sb_offset) { 890 int svc_copy_allowed = 1; 891 int frames_since_key_thresh = 1; 892 if (cpi->use_svc) { 893 // For SVC, don't allow copy if base spatial layer is key frame, or if 894 // frame is not a temporal enhancement layer frame. 895 int layer = LAYER_IDS_TO_IDX(0, cpi->svc.temporal_layer_id, 896 cpi->svc.number_temporal_layers); 897 const LAYER_CONTEXT *lc = &cpi->svc.layer_context[layer]; 898 if (lc->is_key_frame || 899 (cpi->svc.temporal_layer_id != cpi->svc.number_temporal_layers - 1 && 900 cpi->svc.number_temporal_layers > 1)) 901 svc_copy_allowed = 0; 902 frames_since_key_thresh = cpi->svc.number_spatial_layers << 1; 903 } 904 if (cpi->rc.frames_since_key > frames_since_key_thresh && svc_copy_allowed && 905 !cpi->resize_pending && segment_id == CR_SEGMENT_ID_BASE && 906 cpi->prev_segment_id[sb_offset] == CR_SEGMENT_ID_BASE && 907 cpi->copied_frame_cnt[sb_offset] < cpi->max_copied_frame) { 908 if (cpi->prev_partition != NULL) { 909 copy_partitioning_helper(cpi, x, xd, BLOCK_64X64, mi_row, mi_col); 910 cpi->copied_frame_cnt[sb_offset] += 1; 911 memcpy(x->variance_low, &(cpi->prev_variance_low[sb_offset * 25]), 912 sizeof(x->variance_low)); 913 return 1; 914 } 915 } 916 917 return 0; 918} 919 920static void update_prev_partition(VP9_COMP *cpi, BLOCK_SIZE bsize, int mi_row, 921 int mi_col) { 922 VP9_COMMON *const cm = &cpi->common; 923 BLOCK_SIZE *prev_part = cpi->prev_partition; 924 int start_pos = mi_row * cm->mi_stride + mi_col; 925 const int bsl = b_width_log2_lookup[bsize]; 926 const int bs = (1 << bsl) / 4; 927 BLOCK_SIZE subsize; 928 PARTITION_TYPE partition; 929 const MODE_INFO *mi = NULL; 930 931 if (mi_row >= cm->mi_rows || mi_col >= cm->mi_cols) return; 932 933 mi = cm->mi_grid_visible[start_pos]; 934 partition = partition_lookup[bsl][mi->sb_type]; 935 subsize = get_subsize(bsize, partition); 936 if (subsize < BLOCK_8X8) { 937 prev_part[start_pos] = bsize; 938 } else { 939 switch (partition) { 940 case PARTITION_NONE: prev_part[start_pos] = bsize; break; 941 case PARTITION_HORZ: 942 prev_part[start_pos] = subsize; 943 if (mi_row + bs < cm->mi_rows) 944 prev_part[start_pos + bs * cm->mi_stride] = subsize; 945 break; 946 case PARTITION_VERT: 947 prev_part[start_pos] = subsize; 948 if (mi_col + bs < cm->mi_cols) prev_part[start_pos + bs] = subsize; 949 break; 950 case PARTITION_SPLIT: 951 update_prev_partition(cpi, subsize, mi_row, mi_col); 952 update_prev_partition(cpi, subsize, mi_row + bs, mi_col); 953 update_prev_partition(cpi, subsize, mi_row, mi_col + bs); 954 update_prev_partition(cpi, subsize, mi_row + bs, mi_col + bs); 955 break; 956 default: assert(0); 957 } 958 } 959} 960 961static void chroma_check(VP9_COMP *cpi, MACROBLOCK *x, int bsize, 962 unsigned int y_sad, int is_key_frame) { 963 int i; 964 MACROBLOCKD *xd = &x->e_mbd; 965 966 if (is_key_frame) return; 967 968 // For speed >= 8, avoid the chroma check if y_sad is above threshold. 969 if (cpi->oxcf.speed >= 8) { 970 if (y_sad > cpi->vbp_thresholds[1] && 971 (!cpi->noise_estimate.enabled || 972 vp9_noise_estimate_extract_level(&cpi->noise_estimate) < kMedium)) 973 return; 974 } 975 976 for (i = 1; i <= 2; ++i) { 977 unsigned int uv_sad = UINT_MAX; 978 struct macroblock_plane *p = &x->plane[i]; 979 struct macroblockd_plane *pd = &xd->plane[i]; 980 const BLOCK_SIZE bs = get_plane_block_size(bsize, pd); 981 982 if (bs != BLOCK_INVALID) 983 uv_sad = cpi->fn_ptr[bs].sdf(p->src.buf, p->src.stride, pd->dst.buf, 984 pd->dst.stride); 985 986 // TODO(marpan): Investigate if we should lower this threshold if 987 // superblock is detected as skin. 988 x->color_sensitivity[i - 1] = uv_sad > (y_sad >> 2); 989 } 990} 991 992static void avg_source_sad(VP9_COMP *cpi, MACROBLOCK *x, int shift, 993 int sb_offset) { 994 unsigned int tmp_sse; 995 uint64_t tmp_sad; 996 unsigned int tmp_variance; 997 const BLOCK_SIZE bsize = BLOCK_64X64; 998 uint8_t *src_y = cpi->Source->y_buffer; 999 int src_ystride = cpi->Source->y_stride; 1000 uint8_t *last_src_y = cpi->Last_Source->y_buffer; 1001 int last_src_ystride = cpi->Last_Source->y_stride; 1002 uint64_t avg_source_sad_threshold = 10000; 1003 uint64_t avg_source_sad_threshold2 = 12000; 1004#if CONFIG_VP9_HIGHBITDEPTH 1005 if (cpi->common.use_highbitdepth) return; 1006#endif 1007 src_y += shift; 1008 last_src_y += shift; 1009 tmp_sad = 1010 cpi->fn_ptr[bsize].sdf(src_y, src_ystride, last_src_y, last_src_ystride); 1011 tmp_variance = vpx_variance64x64(src_y, src_ystride, last_src_y, 1012 last_src_ystride, &tmp_sse); 1013 // Note: tmp_sse - tmp_variance = ((sum * sum) >> 12) 1014 if (tmp_sad < avg_source_sad_threshold) 1015 x->content_state_sb = ((tmp_sse - tmp_variance) < 25) ? kLowSadLowSumdiff 1016 : kLowSadHighSumdiff; 1017 else 1018 x->content_state_sb = ((tmp_sse - tmp_variance) < 25) ? kHighSadLowSumdiff 1019 : kHighSadHighSumdiff; 1020 1021 // Detect large lighting change. 1022 if (tmp_variance < (tmp_sse >> 3) && (tmp_sse - tmp_variance) > 10000) 1023 x->content_state_sb = kLowVarHighSumdiff; 1024 1025 if (cpi->content_state_sb_fd != NULL) { 1026 if (tmp_sad < avg_source_sad_threshold2) { 1027 // Cap the increment to 255. 1028 if (cpi->content_state_sb_fd[sb_offset] < 255) 1029 cpi->content_state_sb_fd[sb_offset]++; 1030 } else { 1031 cpi->content_state_sb_fd[sb_offset] = 0; 1032 } 1033 } 1034 return; 1035} 1036 1037// This function chooses partitioning based on the variance between source and 1038// reconstructed last, where variance is computed for down-sampled inputs. 1039static int choose_partitioning(VP9_COMP *cpi, const TileInfo *const tile, 1040 MACROBLOCK *x, int mi_row, int mi_col) { 1041 VP9_COMMON *const cm = &cpi->common; 1042 MACROBLOCKD *xd = &x->e_mbd; 1043 int i, j, k, m; 1044 v64x64 vt; 1045 v16x16 vt2[16]; 1046 int force_split[21]; 1047 int avg_32x32; 1048 int max_var_32x32 = 0; 1049 int min_var_32x32 = INT_MAX; 1050 int var_32x32; 1051 int avg_16x16[4]; 1052 int maxvar_16x16[4]; 1053 int minvar_16x16[4]; 1054 int64_t threshold_4x4avg; 1055 NOISE_LEVEL noise_level = kLow; 1056 int content_state = 0; 1057 uint8_t *s; 1058 const uint8_t *d; 1059 int sp; 1060 int dp; 1061 unsigned int y_sad = UINT_MAX; 1062 BLOCK_SIZE bsize = BLOCK_64X64; 1063 // Ref frame used in partitioning. 1064 MV_REFERENCE_FRAME ref_frame_partition = LAST_FRAME; 1065 int pixels_wide = 64, pixels_high = 64; 1066 int64_t thresholds[4] = { cpi->vbp_thresholds[0], cpi->vbp_thresholds[1], 1067 cpi->vbp_thresholds[2], cpi->vbp_thresholds[3] }; 1068 1069 // For the variance computation under SVC mode, we treat the frame as key if 1070 // the reference (base layer frame) is key frame (i.e., is_key_frame == 1). 1071 const int is_key_frame = 1072 (cm->frame_type == KEY_FRAME || 1073 (is_one_pass_cbr_svc(cpi) && 1074 cpi->svc.layer_context[cpi->svc.temporal_layer_id].is_key_frame)); 1075 // Always use 4x4 partition for key frame. 1076 const int use_4x4_partition = cm->frame_type == KEY_FRAME; 1077 const int low_res = (cm->width <= 352 && cm->height <= 288); 1078 int variance4x4downsample[16]; 1079 int segment_id; 1080 int sb_offset = (cm->mi_stride >> 3) * (mi_row >> 3) + (mi_col >> 3); 1081 1082 set_offsets(cpi, tile, x, mi_row, mi_col, BLOCK_64X64); 1083 segment_id = xd->mi[0]->segment_id; 1084 1085 if (cpi->sf.use_source_sad && !is_key_frame) { 1086 int sb_offset2 = ((cm->mi_cols + 7) >> 3) * (mi_row >> 3) + (mi_col >> 3); 1087 content_state = x->content_state_sb; 1088 x->skip_low_source_sad = (content_state == kLowSadLowSumdiff || 1089 content_state == kLowSadHighSumdiff) 1090 ? 1 1091 : 0; 1092 x->lowvar_highsumdiff = (content_state == kLowVarHighSumdiff) ? 1 : 0; 1093 if (cpi->content_state_sb_fd != NULL) 1094 x->last_sb_high_content = cpi->content_state_sb_fd[sb_offset2]; 1095 // If source_sad is low copy the partition without computing the y_sad. 1096 if (x->skip_low_source_sad && cpi->sf.copy_partition_flag && 1097 copy_partitioning(cpi, x, xd, mi_row, mi_col, segment_id, sb_offset)) { 1098 return 0; 1099 } 1100 } 1101 1102 if (cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ && cm->seg.enabled && 1103 cyclic_refresh_segment_id_boosted(segment_id)) { 1104 int q = vp9_get_qindex(&cm->seg, segment_id, cm->base_qindex); 1105 set_vbp_thresholds(cpi, thresholds, q, content_state); 1106 } else { 1107 set_vbp_thresholds(cpi, thresholds, cm->base_qindex, content_state); 1108 } 1109 1110 // For non keyframes, disable 4x4 average for low resolution when speed = 8 1111 threshold_4x4avg = (cpi->oxcf.speed < 8) ? thresholds[1] << 1 : INT64_MAX; 1112 1113 memset(x->variance_low, 0, sizeof(x->variance_low)); 1114 1115 if (xd->mb_to_right_edge < 0) pixels_wide += (xd->mb_to_right_edge >> 3); 1116 if (xd->mb_to_bottom_edge < 0) pixels_high += (xd->mb_to_bottom_edge >> 3); 1117 1118 s = x->plane[0].src.buf; 1119 sp = x->plane[0].src.stride; 1120 1121 // Index for force_split: 0 for 64x64, 1-4 for 32x32 blocks, 1122 // 5-20 for the 16x16 blocks. 1123 force_split[0] = 0; 1124 1125 if (!is_key_frame) { 1126 // In the case of spatial/temporal scalable coding, the assumption here is 1127 // that the temporal reference frame will always be of type LAST_FRAME. 1128 // TODO(marpan): If that assumption is broken, we need to revisit this code. 1129 MODE_INFO *mi = xd->mi[0]; 1130 YV12_BUFFER_CONFIG *yv12 = get_ref_frame_buffer(cpi, LAST_FRAME); 1131 1132 const YV12_BUFFER_CONFIG *yv12_g = NULL; 1133 unsigned int y_sad_g, y_sad_thr, y_sad_last; 1134 bsize = BLOCK_32X32 + (mi_col + 4 < cm->mi_cols) * 2 + 1135 (mi_row + 4 < cm->mi_rows); 1136 1137 assert(yv12 != NULL); 1138 1139 if (!(is_one_pass_cbr_svc(cpi) && cpi->svc.spatial_layer_id)) { 1140 // For now, GOLDEN will not be used for non-zero spatial layers, since 1141 // it may not be a temporal reference. 1142 yv12_g = get_ref_frame_buffer(cpi, GOLDEN_FRAME); 1143 } 1144 1145 // Only compute y_sad_g (sad for golden reference) for speed < 8. 1146 if (cpi->oxcf.speed < 8 && yv12_g && yv12_g != yv12 && 1147 (cpi->ref_frame_flags & VP9_GOLD_FLAG)) { 1148 vp9_setup_pre_planes(xd, 0, yv12_g, mi_row, mi_col, 1149 &cm->frame_refs[GOLDEN_FRAME - 1].sf); 1150 y_sad_g = cpi->fn_ptr[bsize].sdf( 1151 x->plane[0].src.buf, x->plane[0].src.stride, xd->plane[0].pre[0].buf, 1152 xd->plane[0].pre[0].stride); 1153 } else { 1154 y_sad_g = UINT_MAX; 1155 } 1156 1157 if (cpi->oxcf.lag_in_frames > 0 && cpi->oxcf.rc_mode == VPX_VBR && 1158 cpi->rc.is_src_frame_alt_ref) { 1159 yv12 = get_ref_frame_buffer(cpi, ALTREF_FRAME); 1160 vp9_setup_pre_planes(xd, 0, yv12, mi_row, mi_col, 1161 &cm->frame_refs[ALTREF_FRAME - 1].sf); 1162 mi->ref_frame[0] = ALTREF_FRAME; 1163 y_sad_g = UINT_MAX; 1164 } else { 1165 vp9_setup_pre_planes(xd, 0, yv12, mi_row, mi_col, 1166 &cm->frame_refs[LAST_FRAME - 1].sf); 1167 mi->ref_frame[0] = LAST_FRAME; 1168 } 1169 mi->ref_frame[1] = NONE; 1170 mi->sb_type = BLOCK_64X64; 1171 mi->mv[0].as_int = 0; 1172 mi->interp_filter = BILINEAR; 1173 1174 if (cpi->oxcf.speed >= 8 && !low_res) 1175 y_sad = cpi->fn_ptr[bsize].sdf( 1176 x->plane[0].src.buf, x->plane[0].src.stride, xd->plane[0].pre[0].buf, 1177 xd->plane[0].pre[0].stride); 1178 else 1179 y_sad = vp9_int_pro_motion_estimation(cpi, x, bsize, mi_row, mi_col); 1180 1181 y_sad_last = y_sad; 1182 // Pick ref frame for partitioning, bias last frame when y_sad_g and y_sad 1183 // are close if short_circuit_low_temp_var is on. 1184 y_sad_thr = cpi->sf.short_circuit_low_temp_var ? (y_sad * 7) >> 3 : y_sad; 1185 if (y_sad_g < y_sad_thr) { 1186 vp9_setup_pre_planes(xd, 0, yv12_g, mi_row, mi_col, 1187 &cm->frame_refs[GOLDEN_FRAME - 1].sf); 1188 mi->ref_frame[0] = GOLDEN_FRAME; 1189 mi->mv[0].as_int = 0; 1190 y_sad = y_sad_g; 1191 ref_frame_partition = GOLDEN_FRAME; 1192 } else { 1193 x->pred_mv[LAST_FRAME] = mi->mv[0].as_mv; 1194 ref_frame_partition = LAST_FRAME; 1195 } 1196 1197 set_ref_ptrs(cm, xd, mi->ref_frame[0], mi->ref_frame[1]); 1198 vp9_build_inter_predictors_sb(xd, mi_row, mi_col, BLOCK_64X64); 1199 1200 x->sb_is_skin = skin_sb_split(cpi, x, low_res, mi_row, mi_col, force_split); 1201 1202 d = xd->plane[0].dst.buf; 1203 dp = xd->plane[0].dst.stride; 1204 1205 // If the y_sad is very small, take 64x64 as partition and exit. 1206 // Don't check on boosted segment for now, as 64x64 is suppressed there. 1207 if (segment_id == CR_SEGMENT_ID_BASE && y_sad < cpi->vbp_threshold_sad) { 1208 const int block_width = num_8x8_blocks_wide_lookup[BLOCK_64X64]; 1209 const int block_height = num_8x8_blocks_high_lookup[BLOCK_64X64]; 1210 if (mi_col + block_width / 2 < cm->mi_cols && 1211 mi_row + block_height / 2 < cm->mi_rows) { 1212 set_block_size(cpi, x, xd, mi_row, mi_col, BLOCK_64X64); 1213 x->variance_low[0] = 1; 1214 chroma_check(cpi, x, bsize, y_sad, is_key_frame); 1215 return 0; 1216 } 1217 } 1218 1219 // If the y_sad is small enough, copy the partition of the superblock in the 1220 // last frame to current frame only if the last frame is not a keyframe. 1221 // Stop the copy every cpi->max_copied_frame to refresh the partition. 1222 // TODO(jianj) : tune the threshold. 1223 if (cpi->sf.copy_partition_flag && y_sad_last < cpi->vbp_threshold_copy && 1224 copy_partitioning(cpi, x, xd, mi_row, mi_col, segment_id, sb_offset)) { 1225 chroma_check(cpi, x, bsize, y_sad, is_key_frame); 1226 return 0; 1227 } 1228 } else { 1229 d = VP9_VAR_OFFS; 1230 dp = 0; 1231#if CONFIG_VP9_HIGHBITDEPTH 1232 if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { 1233 switch (xd->bd) { 1234 case 10: d = CONVERT_TO_BYTEPTR(VP9_HIGH_VAR_OFFS_10); break; 1235 case 12: d = CONVERT_TO_BYTEPTR(VP9_HIGH_VAR_OFFS_12); break; 1236 case 8: 1237 default: d = CONVERT_TO_BYTEPTR(VP9_HIGH_VAR_OFFS_8); break; 1238 } 1239 } 1240#endif // CONFIG_VP9_HIGHBITDEPTH 1241 } 1242 1243 // Fill in the entire tree of 8x8 (or 4x4 under some conditions) variances 1244 // for splits. 1245 for (i = 0; i < 4; i++) { 1246 const int x32_idx = ((i & 1) << 5); 1247 const int y32_idx = ((i >> 1) << 5); 1248 const int i2 = i << 2; 1249 force_split[i + 1] = 0; 1250 avg_16x16[i] = 0; 1251 maxvar_16x16[i] = 0; 1252 minvar_16x16[i] = INT_MAX; 1253 for (j = 0; j < 4; j++) { 1254 const int x16_idx = x32_idx + ((j & 1) << 4); 1255 const int y16_idx = y32_idx + ((j >> 1) << 4); 1256 const int split_index = 5 + i2 + j; 1257 v16x16 *vst = &vt.split[i].split[j]; 1258 force_split[split_index] = 0; 1259 variance4x4downsample[i2 + j] = 0; 1260 if (!is_key_frame) { 1261 fill_variance_8x8avg(s, sp, d, dp, x16_idx, y16_idx, vst, 1262#if CONFIG_VP9_HIGHBITDEPTH 1263 xd->cur_buf->flags, 1264#endif 1265 pixels_wide, pixels_high, is_key_frame); 1266 fill_variance_tree(&vt.split[i].split[j], BLOCK_16X16); 1267 get_variance(&vt.split[i].split[j].part_variances.none); 1268 avg_16x16[i] += vt.split[i].split[j].part_variances.none.variance; 1269 if (vt.split[i].split[j].part_variances.none.variance < minvar_16x16[i]) 1270 minvar_16x16[i] = vt.split[i].split[j].part_variances.none.variance; 1271 if (vt.split[i].split[j].part_variances.none.variance > maxvar_16x16[i]) 1272 maxvar_16x16[i] = vt.split[i].split[j].part_variances.none.variance; 1273 if (vt.split[i].split[j].part_variances.none.variance > thresholds[2]) { 1274 // 16X16 variance is above threshold for split, so force split to 8x8 1275 // for this 16x16 block (this also forces splits for upper levels). 1276 force_split[split_index] = 1; 1277 force_split[i + 1] = 1; 1278 force_split[0] = 1; 1279 } else if (cpi->oxcf.speed < 8 && 1280 vt.split[i].split[j].part_variances.none.variance > 1281 thresholds[1] && 1282 !cyclic_refresh_segment_id_boosted(segment_id)) { 1283 // We have some nominal amount of 16x16 variance (based on average), 1284 // compute the minmax over the 8x8 sub-blocks, and if above threshold, 1285 // force split to 8x8 block for this 16x16 block. 1286 int minmax = compute_minmax_8x8(s, sp, d, dp, x16_idx, y16_idx, 1287#if CONFIG_VP9_HIGHBITDEPTH 1288 xd->cur_buf->flags, 1289#endif 1290 pixels_wide, pixels_high); 1291 if (minmax > cpi->vbp_threshold_minmax) { 1292 force_split[split_index] = 1; 1293 force_split[i + 1] = 1; 1294 force_split[0] = 1; 1295 } 1296 } 1297 } 1298 if (is_key_frame || (low_res && 1299 vt.split[i].split[j].part_variances.none.variance > 1300 threshold_4x4avg)) { 1301 force_split[split_index] = 0; 1302 // Go down to 4x4 down-sampling for variance. 1303 variance4x4downsample[i2 + j] = 1; 1304 for (k = 0; k < 4; k++) { 1305 int x8_idx = x16_idx + ((k & 1) << 3); 1306 int y8_idx = y16_idx + ((k >> 1) << 3); 1307 v8x8 *vst2 = is_key_frame ? &vst->split[k] : &vt2[i2 + j].split[k]; 1308 fill_variance_4x4avg(s, sp, d, dp, x8_idx, y8_idx, vst2, 1309#if CONFIG_VP9_HIGHBITDEPTH 1310 xd->cur_buf->flags, 1311#endif 1312 pixels_wide, pixels_high, is_key_frame); 1313 } 1314 } 1315 } 1316 } 1317 if (cpi->noise_estimate.enabled) 1318 noise_level = vp9_noise_estimate_extract_level(&cpi->noise_estimate); 1319 // Fill the rest of the variance tree by summing split partition values. 1320 avg_32x32 = 0; 1321 for (i = 0; i < 4; i++) { 1322 const int i2 = i << 2; 1323 for (j = 0; j < 4; j++) { 1324 if (variance4x4downsample[i2 + j] == 1) { 1325 v16x16 *vtemp = (!is_key_frame) ? &vt2[i2 + j] : &vt.split[i].split[j]; 1326 for (m = 0; m < 4; m++) fill_variance_tree(&vtemp->split[m], BLOCK_8X8); 1327 fill_variance_tree(vtemp, BLOCK_16X16); 1328 // If variance of this 16x16 block is above the threshold, force block 1329 // to split. This also forces a split on the upper levels. 1330 get_variance(&vtemp->part_variances.none); 1331 if (vtemp->part_variances.none.variance > thresholds[2]) { 1332 force_split[5 + i2 + j] = 1; 1333 force_split[i + 1] = 1; 1334 force_split[0] = 1; 1335 } 1336 } 1337 } 1338 fill_variance_tree(&vt.split[i], BLOCK_32X32); 1339 // If variance of this 32x32 block is above the threshold, or if its above 1340 // (some threshold of) the average variance over the sub-16x16 blocks, then 1341 // force this block to split. This also forces a split on the upper 1342 // (64x64) level. 1343 if (!force_split[i + 1]) { 1344 get_variance(&vt.split[i].part_variances.none); 1345 var_32x32 = vt.split[i].part_variances.none.variance; 1346 max_var_32x32 = VPXMAX(var_32x32, max_var_32x32); 1347 min_var_32x32 = VPXMIN(var_32x32, min_var_32x32); 1348 if (vt.split[i].part_variances.none.variance > thresholds[1] || 1349 (!is_key_frame && 1350 vt.split[i].part_variances.none.variance > (thresholds[1] >> 1) && 1351 vt.split[i].part_variances.none.variance > (avg_16x16[i] >> 1))) { 1352 force_split[i + 1] = 1; 1353 force_split[0] = 1; 1354 } else if (!is_key_frame && noise_level < kLow && cm->height <= 360 && 1355 (maxvar_16x16[i] - minvar_16x16[i]) > (thresholds[1] >> 1) && 1356 maxvar_16x16[i] > thresholds[1]) { 1357 force_split[i + 1] = 1; 1358 force_split[0] = 1; 1359 } 1360 avg_32x32 += var_32x32; 1361 } 1362 } 1363 if (!force_split[0]) { 1364 fill_variance_tree(&vt, BLOCK_64X64); 1365 get_variance(&vt.part_variances.none); 1366 // If variance of this 64x64 block is above (some threshold of) the average 1367 // variance over the sub-32x32 blocks, then force this block to split. 1368 // Only checking this for noise level >= medium for now. 1369 if (!is_key_frame && noise_level >= kMedium && 1370 vt.part_variances.none.variance > (9 * avg_32x32) >> 5) 1371 force_split[0] = 1; 1372 // Else if the maximum 32x32 variance minus the miniumum 32x32 variance in 1373 // a 64x64 block is greater than threshold and the maximum 32x32 variance is 1374 // above a miniumum threshold, then force the split of a 64x64 block 1375 // Only check this for low noise. 1376 else if (!is_key_frame && noise_level < kMedium && 1377 (max_var_32x32 - min_var_32x32) > 3 * (thresholds[0] >> 3) && 1378 max_var_32x32 > thresholds[0] >> 1) 1379 force_split[0] = 1; 1380 } 1381 1382 // Now go through the entire structure, splitting every block size until 1383 // we get to one that's got a variance lower than our threshold. 1384 if (mi_col + 8 > cm->mi_cols || mi_row + 8 > cm->mi_rows || 1385 !set_vt_partitioning(cpi, x, xd, &vt, BLOCK_64X64, mi_row, mi_col, 1386 thresholds[0], BLOCK_16X16, force_split[0])) { 1387 for (i = 0; i < 4; ++i) { 1388 const int x32_idx = ((i & 1) << 2); 1389 const int y32_idx = ((i >> 1) << 2); 1390 const int i2 = i << 2; 1391 if (!set_vt_partitioning(cpi, x, xd, &vt.split[i], BLOCK_32X32, 1392 (mi_row + y32_idx), (mi_col + x32_idx), 1393 thresholds[1], BLOCK_16X16, 1394 force_split[i + 1])) { 1395 for (j = 0; j < 4; ++j) { 1396 const int x16_idx = ((j & 1) << 1); 1397 const int y16_idx = ((j >> 1) << 1); 1398 // For inter frames: if variance4x4downsample[] == 1 for this 16x16 1399 // block, then the variance is based on 4x4 down-sampling, so use vt2 1400 // in set_vt_partioning(), otherwise use vt. 1401 v16x16 *vtemp = (!is_key_frame && variance4x4downsample[i2 + j] == 1) 1402 ? &vt2[i2 + j] 1403 : &vt.split[i].split[j]; 1404 if (!set_vt_partitioning( 1405 cpi, x, xd, vtemp, BLOCK_16X16, mi_row + y32_idx + y16_idx, 1406 mi_col + x32_idx + x16_idx, thresholds[2], cpi->vbp_bsize_min, 1407 force_split[5 + i2 + j])) { 1408 for (k = 0; k < 4; ++k) { 1409 const int x8_idx = (k & 1); 1410 const int y8_idx = (k >> 1); 1411 if (use_4x4_partition) { 1412 if (!set_vt_partitioning(cpi, x, xd, &vtemp->split[k], 1413 BLOCK_8X8, 1414 mi_row + y32_idx + y16_idx + y8_idx, 1415 mi_col + x32_idx + x16_idx + x8_idx, 1416 thresholds[3], BLOCK_8X8, 0)) { 1417 set_block_size( 1418 cpi, x, xd, (mi_row + y32_idx + y16_idx + y8_idx), 1419 (mi_col + x32_idx + x16_idx + x8_idx), BLOCK_4X4); 1420 } 1421 } else { 1422 set_block_size( 1423 cpi, x, xd, (mi_row + y32_idx + y16_idx + y8_idx), 1424 (mi_col + x32_idx + x16_idx + x8_idx), BLOCK_8X8); 1425 } 1426 } 1427 } 1428 } 1429 } 1430 } 1431 } 1432 1433 if (cm->frame_type != KEY_FRAME && cpi->sf.copy_partition_flag) { 1434 update_prev_partition(cpi, BLOCK_64X64, mi_row, mi_col); 1435 cpi->prev_segment_id[sb_offset] = segment_id; 1436 memcpy(&(cpi->prev_variance_low[sb_offset * 25]), x->variance_low, 1437 sizeof(x->variance_low)); 1438 // Reset the counter for copy partitioning 1439 if (cpi->copied_frame_cnt[sb_offset] == cpi->max_copied_frame) 1440 cpi->copied_frame_cnt[sb_offset] = 0; 1441 } 1442 1443 if (cpi->sf.short_circuit_low_temp_var) { 1444 set_low_temp_var_flag(cpi, x, xd, &vt, thresholds, ref_frame_partition, 1445 mi_col, mi_row); 1446 } 1447 1448 chroma_check(cpi, x, bsize, y_sad, is_key_frame); 1449 return 0; 1450} 1451 1452static void update_state(VP9_COMP *cpi, ThreadData *td, PICK_MODE_CONTEXT *ctx, 1453 int mi_row, int mi_col, BLOCK_SIZE bsize, 1454 int output_enabled) { 1455 int i, x_idx, y; 1456 VP9_COMMON *const cm = &cpi->common; 1457 RD_COUNTS *const rdc = &td->rd_counts; 1458 MACROBLOCK *const x = &td->mb; 1459 MACROBLOCKD *const xd = &x->e_mbd; 1460 struct macroblock_plane *const p = x->plane; 1461 struct macroblockd_plane *const pd = xd->plane; 1462 MODE_INFO *mi = &ctx->mic; 1463 MODE_INFO *const xdmi = xd->mi[0]; 1464 MODE_INFO *mi_addr = xd->mi[0]; 1465 const struct segmentation *const seg = &cm->seg; 1466 const int bw = num_8x8_blocks_wide_lookup[mi->sb_type]; 1467 const int bh = num_8x8_blocks_high_lookup[mi->sb_type]; 1468 const int x_mis = VPXMIN(bw, cm->mi_cols - mi_col); 1469 const int y_mis = VPXMIN(bh, cm->mi_rows - mi_row); 1470 MV_REF *const frame_mvs = cm->cur_frame->mvs + mi_row * cm->mi_cols + mi_col; 1471 int w, h; 1472 1473 const int mis = cm->mi_stride; 1474 const int mi_width = num_8x8_blocks_wide_lookup[bsize]; 1475 const int mi_height = num_8x8_blocks_high_lookup[bsize]; 1476 int max_plane; 1477 1478 assert(mi->sb_type == bsize); 1479 1480 *mi_addr = *mi; 1481 *x->mbmi_ext = ctx->mbmi_ext; 1482 1483 // If segmentation in use 1484 if (seg->enabled) { 1485 // For in frame complexity AQ copy the segment id from the segment map. 1486 if (cpi->oxcf.aq_mode == COMPLEXITY_AQ) { 1487 const uint8_t *const map = 1488 seg->update_map ? cpi->segmentation_map : cm->last_frame_seg_map; 1489 mi_addr->segment_id = get_segment_id(cm, map, bsize, mi_row, mi_col); 1490 } 1491 // Else for cyclic refresh mode update the segment map, set the segment id 1492 // and then update the quantizer. 1493 if (cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ) { 1494 vp9_cyclic_refresh_update_segment(cpi, xd->mi[0], mi_row, mi_col, bsize, 1495 ctx->rate, ctx->dist, x->skip, p); 1496 } 1497 } 1498 1499 max_plane = is_inter_block(xdmi) ? MAX_MB_PLANE : 1; 1500 for (i = 0; i < max_plane; ++i) { 1501 p[i].coeff = ctx->coeff_pbuf[i][1]; 1502 p[i].qcoeff = ctx->qcoeff_pbuf[i][1]; 1503 pd[i].dqcoeff = ctx->dqcoeff_pbuf[i][1]; 1504 p[i].eobs = ctx->eobs_pbuf[i][1]; 1505 } 1506 1507 for (i = max_plane; i < MAX_MB_PLANE; ++i) { 1508 p[i].coeff = ctx->coeff_pbuf[i][2]; 1509 p[i].qcoeff = ctx->qcoeff_pbuf[i][2]; 1510 pd[i].dqcoeff = ctx->dqcoeff_pbuf[i][2]; 1511 p[i].eobs = ctx->eobs_pbuf[i][2]; 1512 } 1513 1514 // Restore the coding context of the MB to that that was in place 1515 // when the mode was picked for it 1516 for (y = 0; y < mi_height; y++) 1517 for (x_idx = 0; x_idx < mi_width; x_idx++) 1518 if ((xd->mb_to_right_edge >> (3 + MI_SIZE_LOG2)) + mi_width > x_idx && 1519 (xd->mb_to_bottom_edge >> (3 + MI_SIZE_LOG2)) + mi_height > y) { 1520 xd->mi[x_idx + y * mis] = mi_addr; 1521 } 1522 1523 if (cpi->oxcf.aq_mode != NO_AQ) vp9_init_plane_quantizers(cpi, x); 1524 1525 if (is_inter_block(xdmi) && xdmi->sb_type < BLOCK_8X8) { 1526 xdmi->mv[0].as_int = mi->bmi[3].as_mv[0].as_int; 1527 xdmi->mv[1].as_int = mi->bmi[3].as_mv[1].as_int; 1528 } 1529 1530 x->skip = ctx->skip; 1531 memcpy(x->zcoeff_blk[xdmi->tx_size], ctx->zcoeff_blk, 1532 sizeof(ctx->zcoeff_blk[0]) * ctx->num_4x4_blk); 1533 1534 if (!output_enabled) return; 1535 1536#if CONFIG_INTERNAL_STATS 1537 if (frame_is_intra_only(cm)) { 1538 static const int kf_mode_index[] = { 1539 THR_DC /*DC_PRED*/, THR_V_PRED /*V_PRED*/, 1540 THR_H_PRED /*H_PRED*/, THR_D45_PRED /*D45_PRED*/, 1541 THR_D135_PRED /*D135_PRED*/, THR_D117_PRED /*D117_PRED*/, 1542 THR_D153_PRED /*D153_PRED*/, THR_D207_PRED /*D207_PRED*/, 1543 THR_D63_PRED /*D63_PRED*/, THR_TM /*TM_PRED*/, 1544 }; 1545 ++cpi->mode_chosen_counts[kf_mode_index[xdmi->mode]]; 1546 } else { 1547 // Note how often each mode chosen as best 1548 ++cpi->mode_chosen_counts[ctx->best_mode_index]; 1549 } 1550#endif 1551 if (!frame_is_intra_only(cm)) { 1552 if (is_inter_block(xdmi)) { 1553 vp9_update_mv_count(td); 1554 1555 if (cm->interp_filter == SWITCHABLE) { 1556 const int ctx = get_pred_context_switchable_interp(xd); 1557 ++td->counts->switchable_interp[ctx][xdmi->interp_filter]; 1558 } 1559 } 1560 1561 rdc->comp_pred_diff[SINGLE_REFERENCE] += ctx->single_pred_diff; 1562 rdc->comp_pred_diff[COMPOUND_REFERENCE] += ctx->comp_pred_diff; 1563 rdc->comp_pred_diff[REFERENCE_MODE_SELECT] += ctx->hybrid_pred_diff; 1564 1565 for (i = 0; i < SWITCHABLE_FILTER_CONTEXTS; ++i) 1566 rdc->filter_diff[i] += ctx->best_filter_diff[i]; 1567 } 1568 1569 for (h = 0; h < y_mis; ++h) { 1570 MV_REF *const frame_mv = frame_mvs + h * cm->mi_cols; 1571 for (w = 0; w < x_mis; ++w) { 1572 MV_REF *const mv = frame_mv + w; 1573 mv->ref_frame[0] = mi->ref_frame[0]; 1574 mv->ref_frame[1] = mi->ref_frame[1]; 1575 mv->mv[0].as_int = mi->mv[0].as_int; 1576 mv->mv[1].as_int = mi->mv[1].as_int; 1577 } 1578 } 1579} 1580 1581void vp9_setup_src_planes(MACROBLOCK *x, const YV12_BUFFER_CONFIG *src, 1582 int mi_row, int mi_col) { 1583 uint8_t *const buffers[3] = { src->y_buffer, src->u_buffer, src->v_buffer }; 1584 const int strides[3] = { src->y_stride, src->uv_stride, src->uv_stride }; 1585 int i; 1586 1587 // Set current frame pointer. 1588 x->e_mbd.cur_buf = src; 1589 1590 for (i = 0; i < MAX_MB_PLANE; i++) 1591 setup_pred_plane(&x->plane[i].src, buffers[i], strides[i], mi_row, mi_col, 1592 NULL, x->e_mbd.plane[i].subsampling_x, 1593 x->e_mbd.plane[i].subsampling_y); 1594} 1595 1596static void set_mode_info_seg_skip(MACROBLOCK *x, TX_MODE tx_mode, 1597 RD_COST *rd_cost, BLOCK_SIZE bsize) { 1598 MACROBLOCKD *const xd = &x->e_mbd; 1599 MODE_INFO *const mi = xd->mi[0]; 1600 INTERP_FILTER filter_ref; 1601 1602 filter_ref = get_pred_context_switchable_interp(xd); 1603 if (filter_ref == SWITCHABLE_FILTERS) filter_ref = EIGHTTAP; 1604 1605 mi->sb_type = bsize; 1606 mi->mode = ZEROMV; 1607 mi->tx_size = 1608 VPXMIN(max_txsize_lookup[bsize], tx_mode_to_biggest_tx_size[tx_mode]); 1609 mi->skip = 1; 1610 mi->uv_mode = DC_PRED; 1611 mi->ref_frame[0] = LAST_FRAME; 1612 mi->ref_frame[1] = NONE; 1613 mi->mv[0].as_int = 0; 1614 mi->interp_filter = filter_ref; 1615 1616 xd->mi[0]->bmi[0].as_mv[0].as_int = 0; 1617 x->skip = 1; 1618 1619 vp9_rd_cost_init(rd_cost); 1620} 1621 1622static int set_segment_rdmult(VP9_COMP *const cpi, MACROBLOCK *const x, 1623 int8_t segment_id) { 1624 int segment_qindex; 1625 VP9_COMMON *const cm = &cpi->common; 1626 vp9_init_plane_quantizers(cpi, x); 1627 vpx_clear_system_state(); 1628 segment_qindex = vp9_get_qindex(&cm->seg, segment_id, cm->base_qindex); 1629 return vp9_compute_rd_mult(cpi, segment_qindex + cm->y_dc_delta_q); 1630} 1631 1632static void rd_pick_sb_modes(VP9_COMP *cpi, TileDataEnc *tile_data, 1633 MACROBLOCK *const x, int mi_row, int mi_col, 1634 RD_COST *rd_cost, BLOCK_SIZE bsize, 1635 PICK_MODE_CONTEXT *ctx, int64_t best_rd) { 1636 VP9_COMMON *const cm = &cpi->common; 1637 TileInfo *const tile_info = &tile_data->tile_info; 1638 MACROBLOCKD *const xd = &x->e_mbd; 1639 MODE_INFO *mi; 1640 struct macroblock_plane *const p = x->plane; 1641 struct macroblockd_plane *const pd = xd->plane; 1642 const AQ_MODE aq_mode = cpi->oxcf.aq_mode; 1643 int i, orig_rdmult; 1644 1645 vpx_clear_system_state(); 1646 1647 // Use the lower precision, but faster, 32x32 fdct for mode selection. 1648 x->use_lp32x32fdct = 1; 1649 1650 set_offsets(cpi, tile_info, x, mi_row, mi_col, bsize); 1651 mi = xd->mi[0]; 1652 mi->sb_type = bsize; 1653 1654 for (i = 0; i < MAX_MB_PLANE; ++i) { 1655 p[i].coeff = ctx->coeff_pbuf[i][0]; 1656 p[i].qcoeff = ctx->qcoeff_pbuf[i][0]; 1657 pd[i].dqcoeff = ctx->dqcoeff_pbuf[i][0]; 1658 p[i].eobs = ctx->eobs_pbuf[i][0]; 1659 } 1660 ctx->is_coded = 0; 1661 ctx->skippable = 0; 1662 ctx->pred_pixel_ready = 0; 1663 x->skip_recode = 0; 1664 1665 // Set to zero to make sure we do not use the previous encoded frame stats 1666 mi->skip = 0; 1667 1668#if CONFIG_VP9_HIGHBITDEPTH 1669 if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { 1670 x->source_variance = vp9_high_get_sby_perpixel_variance( 1671 cpi, &x->plane[0].src, bsize, xd->bd); 1672 } else { 1673 x->source_variance = 1674 vp9_get_sby_perpixel_variance(cpi, &x->plane[0].src, bsize); 1675 } 1676#else 1677 x->source_variance = 1678 vp9_get_sby_perpixel_variance(cpi, &x->plane[0].src, bsize); 1679#endif // CONFIG_VP9_HIGHBITDEPTH 1680 1681 // Save rdmult before it might be changed, so it can be restored later. 1682 orig_rdmult = x->rdmult; 1683 1684 if ((cpi->sf.tx_domain_thresh > 0.0) || (cpi->sf.quant_opt_thresh > 0.0)) { 1685 double logvar = vp9_log_block_var(cpi, x, bsize); 1686 // Check block complexity as part of descision on using pixel or transform 1687 // domain distortion in rd tests. 1688 x->block_tx_domain = cpi->sf.allow_txfm_domain_distortion && 1689 (logvar >= cpi->sf.tx_domain_thresh); 1690 1691 // Check block complexity as part of descision on using quantized 1692 // coefficient optimisation inside the rd loop. 1693 x->block_qcoeff_opt = 1694 cpi->sf.allow_quant_coeff_opt && (logvar <= cpi->sf.quant_opt_thresh); 1695 } else { 1696 x->block_tx_domain = cpi->sf.allow_txfm_domain_distortion; 1697 x->block_qcoeff_opt = cpi->sf.allow_quant_coeff_opt; 1698 } 1699 1700 if (aq_mode == VARIANCE_AQ) { 1701 const int energy = 1702 bsize <= BLOCK_16X16 ? x->mb_energy : vp9_block_energy(cpi, x, bsize); 1703 1704 if (cm->frame_type == KEY_FRAME || cpi->refresh_alt_ref_frame || 1705 cpi->force_update_segmentation || 1706 (cpi->refresh_golden_frame && !cpi->rc.is_src_frame_alt_ref)) { 1707 mi->segment_id = vp9_vaq_segment_id(energy); 1708 } else { 1709 const uint8_t *const map = 1710 cm->seg.update_map ? cpi->segmentation_map : cm->last_frame_seg_map; 1711 mi->segment_id = get_segment_id(cm, map, bsize, mi_row, mi_col); 1712 } 1713 x->rdmult = set_segment_rdmult(cpi, x, mi->segment_id); 1714 } else if (aq_mode == LOOKAHEAD_AQ) { 1715 const uint8_t *const map = cpi->segmentation_map; 1716 1717 // I do not change rdmult here consciously. 1718 mi->segment_id = get_segment_id(cm, map, bsize, mi_row, mi_col); 1719 } else if (aq_mode == EQUATOR360_AQ) { 1720 if (cm->frame_type == KEY_FRAME || cpi->force_update_segmentation) { 1721 mi->segment_id = vp9_360aq_segment_id(mi_row, cm->mi_rows); 1722 } else { 1723 const uint8_t *const map = 1724 cm->seg.update_map ? cpi->segmentation_map : cm->last_frame_seg_map; 1725 mi->segment_id = get_segment_id(cm, map, bsize, mi_row, mi_col); 1726 } 1727 x->rdmult = set_segment_rdmult(cpi, x, mi->segment_id); 1728 } else if (aq_mode == COMPLEXITY_AQ) { 1729 x->rdmult = set_segment_rdmult(cpi, x, mi->segment_id); 1730 } else if (aq_mode == CYCLIC_REFRESH_AQ) { 1731 const uint8_t *const map = 1732 cm->seg.update_map ? cpi->segmentation_map : cm->last_frame_seg_map; 1733 // If segment is boosted, use rdmult for that segment. 1734 if (cyclic_refresh_segment_id_boosted( 1735 get_segment_id(cm, map, bsize, mi_row, mi_col))) 1736 x->rdmult = vp9_cyclic_refresh_get_rdmult(cpi->cyclic_refresh); 1737 } 1738 1739 // Find best coding mode & reconstruct the MB so it is available 1740 // as a predictor for MBs that follow in the SB 1741 if (frame_is_intra_only(cm)) { 1742 vp9_rd_pick_intra_mode_sb(cpi, x, rd_cost, bsize, ctx, best_rd); 1743 } else { 1744 if (bsize >= BLOCK_8X8) { 1745 if (segfeature_active(&cm->seg, mi->segment_id, SEG_LVL_SKIP)) 1746 vp9_rd_pick_inter_mode_sb_seg_skip(cpi, tile_data, x, rd_cost, bsize, 1747 ctx, best_rd); 1748 else 1749 vp9_rd_pick_inter_mode_sb(cpi, tile_data, x, mi_row, mi_col, rd_cost, 1750 bsize, ctx, best_rd); 1751 } else { 1752 vp9_rd_pick_inter_mode_sub8x8(cpi, tile_data, x, mi_row, mi_col, rd_cost, 1753 bsize, ctx, best_rd); 1754 } 1755 } 1756 1757 // Examine the resulting rate and for AQ mode 2 make a segment choice. 1758 if ((rd_cost->rate != INT_MAX) && (aq_mode == COMPLEXITY_AQ) && 1759 (bsize >= BLOCK_16X16) && 1760 (cm->frame_type == KEY_FRAME || cpi->refresh_alt_ref_frame || 1761 (cpi->refresh_golden_frame && !cpi->rc.is_src_frame_alt_ref))) { 1762 vp9_caq_select_segment(cpi, x, bsize, mi_row, mi_col, rd_cost->rate); 1763 } 1764 1765 x->rdmult = orig_rdmult; 1766 1767 // TODO(jingning) The rate-distortion optimization flow needs to be 1768 // refactored to provide proper exit/return handle. 1769 if (rd_cost->rate == INT_MAX) rd_cost->rdcost = INT64_MAX; 1770 1771 ctx->rate = rd_cost->rate; 1772 ctx->dist = rd_cost->dist; 1773} 1774 1775static void update_stats(VP9_COMMON *cm, ThreadData *td) { 1776 const MACROBLOCK *x = &td->mb; 1777 const MACROBLOCKD *const xd = &x->e_mbd; 1778 const MODE_INFO *const mi = xd->mi[0]; 1779 const MB_MODE_INFO_EXT *const mbmi_ext = x->mbmi_ext; 1780 const BLOCK_SIZE bsize = mi->sb_type; 1781 1782 if (!frame_is_intra_only(cm)) { 1783 FRAME_COUNTS *const counts = td->counts; 1784 const int inter_block = is_inter_block(mi); 1785 const int seg_ref_active = 1786 segfeature_active(&cm->seg, mi->segment_id, SEG_LVL_REF_FRAME); 1787 if (!seg_ref_active) { 1788 counts->intra_inter[get_intra_inter_context(xd)][inter_block]++; 1789 // If the segment reference feature is enabled we have only a single 1790 // reference frame allowed for the segment so exclude it from 1791 // the reference frame counts used to work out probabilities. 1792 if (inter_block) { 1793 const MV_REFERENCE_FRAME ref0 = mi->ref_frame[0]; 1794 if (cm->reference_mode == REFERENCE_MODE_SELECT) 1795 counts->comp_inter[vp9_get_reference_mode_context(cm, xd)] 1796 [has_second_ref(mi)]++; 1797 1798 if (has_second_ref(mi)) { 1799 counts->comp_ref[vp9_get_pred_context_comp_ref_p(cm, xd)] 1800 [ref0 == GOLDEN_FRAME]++; 1801 } else { 1802 counts->single_ref[vp9_get_pred_context_single_ref_p1(xd)][0] 1803 [ref0 != LAST_FRAME]++; 1804 if (ref0 != LAST_FRAME) 1805 counts->single_ref[vp9_get_pred_context_single_ref_p2(xd)][1] 1806 [ref0 != GOLDEN_FRAME]++; 1807 } 1808 } 1809 } 1810 if (inter_block && 1811 !segfeature_active(&cm->seg, mi->segment_id, SEG_LVL_SKIP)) { 1812 const int mode_ctx = mbmi_ext->mode_context[mi->ref_frame[0]]; 1813 if (bsize >= BLOCK_8X8) { 1814 const PREDICTION_MODE mode = mi->mode; 1815 ++counts->inter_mode[mode_ctx][INTER_OFFSET(mode)]; 1816 } else { 1817 const int num_4x4_w = num_4x4_blocks_wide_lookup[bsize]; 1818 const int num_4x4_h = num_4x4_blocks_high_lookup[bsize]; 1819 int idx, idy; 1820 for (idy = 0; idy < 2; idy += num_4x4_h) { 1821 for (idx = 0; idx < 2; idx += num_4x4_w) { 1822 const int j = idy * 2 + idx; 1823 const PREDICTION_MODE b_mode = mi->bmi[j].as_mode; 1824 ++counts->inter_mode[mode_ctx][INTER_OFFSET(b_mode)]; 1825 } 1826 } 1827 } 1828 } 1829 } 1830} 1831 1832static void restore_context(MACROBLOCK *const x, int mi_row, int mi_col, 1833 ENTROPY_CONTEXT a[16 * MAX_MB_PLANE], 1834 ENTROPY_CONTEXT l[16 * MAX_MB_PLANE], 1835 PARTITION_CONTEXT sa[8], PARTITION_CONTEXT sl[8], 1836 BLOCK_SIZE bsize) { 1837 MACROBLOCKD *const xd = &x->e_mbd; 1838 int p; 1839 const int num_4x4_blocks_wide = num_4x4_blocks_wide_lookup[bsize]; 1840 const int num_4x4_blocks_high = num_4x4_blocks_high_lookup[bsize]; 1841 int mi_width = num_8x8_blocks_wide_lookup[bsize]; 1842 int mi_height = num_8x8_blocks_high_lookup[bsize]; 1843 for (p = 0; p < MAX_MB_PLANE; p++) { 1844 memcpy(xd->above_context[p] + ((mi_col * 2) >> xd->plane[p].subsampling_x), 1845 a + num_4x4_blocks_wide * p, 1846 (sizeof(ENTROPY_CONTEXT) * num_4x4_blocks_wide) >> 1847 xd->plane[p].subsampling_x); 1848 memcpy(xd->left_context[p] + 1849 ((mi_row & MI_MASK) * 2 >> xd->plane[p].subsampling_y), 1850 l + num_4x4_blocks_high * p, 1851 (sizeof(ENTROPY_CONTEXT) * num_4x4_blocks_high) >> 1852 xd->plane[p].subsampling_y); 1853 } 1854 memcpy(xd->above_seg_context + mi_col, sa, 1855 sizeof(*xd->above_seg_context) * mi_width); 1856 memcpy(xd->left_seg_context + (mi_row & MI_MASK), sl, 1857 sizeof(xd->left_seg_context[0]) * mi_height); 1858} 1859 1860static void save_context(MACROBLOCK *const x, int mi_row, int mi_col, 1861 ENTROPY_CONTEXT a[16 * MAX_MB_PLANE], 1862 ENTROPY_CONTEXT l[16 * MAX_MB_PLANE], 1863 PARTITION_CONTEXT sa[8], PARTITION_CONTEXT sl[8], 1864 BLOCK_SIZE bsize) { 1865 const MACROBLOCKD *const xd = &x->e_mbd; 1866 int p; 1867 const int num_4x4_blocks_wide = num_4x4_blocks_wide_lookup[bsize]; 1868 const int num_4x4_blocks_high = num_4x4_blocks_high_lookup[bsize]; 1869 int mi_width = num_8x8_blocks_wide_lookup[bsize]; 1870 int mi_height = num_8x8_blocks_high_lookup[bsize]; 1871 1872 // buffer the above/left context information of the block in search. 1873 for (p = 0; p < MAX_MB_PLANE; ++p) { 1874 memcpy(a + num_4x4_blocks_wide * p, 1875 xd->above_context[p] + (mi_col * 2 >> xd->plane[p].subsampling_x), 1876 (sizeof(ENTROPY_CONTEXT) * num_4x4_blocks_wide) >> 1877 xd->plane[p].subsampling_x); 1878 memcpy(l + num_4x4_blocks_high * p, 1879 xd->left_context[p] + 1880 ((mi_row & MI_MASK) * 2 >> xd->plane[p].subsampling_y), 1881 (sizeof(ENTROPY_CONTEXT) * num_4x4_blocks_high) >> 1882 xd->plane[p].subsampling_y); 1883 } 1884 memcpy(sa, xd->above_seg_context + mi_col, 1885 sizeof(*xd->above_seg_context) * mi_width); 1886 memcpy(sl, xd->left_seg_context + (mi_row & MI_MASK), 1887 sizeof(xd->left_seg_context[0]) * mi_height); 1888} 1889 1890static void encode_b(VP9_COMP *cpi, const TileInfo *const tile, ThreadData *td, 1891 TOKENEXTRA **tp, int mi_row, int mi_col, 1892 int output_enabled, BLOCK_SIZE bsize, 1893 PICK_MODE_CONTEXT *ctx) { 1894 MACROBLOCK *const x = &td->mb; 1895 set_offsets(cpi, tile, x, mi_row, mi_col, bsize); 1896 update_state(cpi, td, ctx, mi_row, mi_col, bsize, output_enabled); 1897 encode_superblock(cpi, td, tp, output_enabled, mi_row, mi_col, bsize, ctx); 1898 1899 if (output_enabled) { 1900 update_stats(&cpi->common, td); 1901 1902 (*tp)->token = EOSB_TOKEN; 1903 (*tp)++; 1904 } 1905} 1906 1907static void encode_sb(VP9_COMP *cpi, ThreadData *td, const TileInfo *const tile, 1908 TOKENEXTRA **tp, int mi_row, int mi_col, 1909 int output_enabled, BLOCK_SIZE bsize, PC_TREE *pc_tree) { 1910 VP9_COMMON *const cm = &cpi->common; 1911 MACROBLOCK *const x = &td->mb; 1912 MACROBLOCKD *const xd = &x->e_mbd; 1913 1914 const int bsl = b_width_log2_lookup[bsize], hbs = (1 << bsl) / 4; 1915 int ctx; 1916 PARTITION_TYPE partition; 1917 BLOCK_SIZE subsize = bsize; 1918 1919 if (mi_row >= cm->mi_rows || mi_col >= cm->mi_cols) return; 1920 1921 if (bsize >= BLOCK_8X8) { 1922 ctx = partition_plane_context(xd, mi_row, mi_col, bsize); 1923 subsize = get_subsize(bsize, pc_tree->partitioning); 1924 } else { 1925 ctx = 0; 1926 subsize = BLOCK_4X4; 1927 } 1928 1929 partition = partition_lookup[bsl][subsize]; 1930 if (output_enabled && bsize != BLOCK_4X4) 1931 td->counts->partition[ctx][partition]++; 1932 1933 switch (partition) { 1934 case PARTITION_NONE: 1935 encode_b(cpi, tile, td, tp, mi_row, mi_col, output_enabled, subsize, 1936 &pc_tree->none); 1937 break; 1938 case PARTITION_VERT: 1939 encode_b(cpi, tile, td, tp, mi_row, mi_col, output_enabled, subsize, 1940 &pc_tree->vertical[0]); 1941 if (mi_col + hbs < cm->mi_cols && bsize > BLOCK_8X8) { 1942 encode_b(cpi, tile, td, tp, mi_row, mi_col + hbs, output_enabled, 1943 subsize, &pc_tree->vertical[1]); 1944 } 1945 break; 1946 case PARTITION_HORZ: 1947 encode_b(cpi, tile, td, tp, mi_row, mi_col, output_enabled, subsize, 1948 &pc_tree->horizontal[0]); 1949 if (mi_row + hbs < cm->mi_rows && bsize > BLOCK_8X8) { 1950 encode_b(cpi, tile, td, tp, mi_row + hbs, mi_col, output_enabled, 1951 subsize, &pc_tree->horizontal[1]); 1952 } 1953 break; 1954 case PARTITION_SPLIT: 1955 if (bsize == BLOCK_8X8) { 1956 encode_b(cpi, tile, td, tp, mi_row, mi_col, output_enabled, subsize, 1957 pc_tree->leaf_split[0]); 1958 } else { 1959 encode_sb(cpi, td, tile, tp, mi_row, mi_col, output_enabled, subsize, 1960 pc_tree->split[0]); 1961 encode_sb(cpi, td, tile, tp, mi_row, mi_col + hbs, output_enabled, 1962 subsize, pc_tree->split[1]); 1963 encode_sb(cpi, td, tile, tp, mi_row + hbs, mi_col, output_enabled, 1964 subsize, pc_tree->split[2]); 1965 encode_sb(cpi, td, tile, tp, mi_row + hbs, mi_col + hbs, output_enabled, 1966 subsize, pc_tree->split[3]); 1967 } 1968 break; 1969 default: assert(0 && "Invalid partition type."); break; 1970 } 1971 1972 if (partition != PARTITION_SPLIT || bsize == BLOCK_8X8) 1973 update_partition_context(xd, mi_row, mi_col, subsize, bsize); 1974} 1975 1976// Check to see if the given partition size is allowed for a specified number 1977// of 8x8 block rows and columns remaining in the image. 1978// If not then return the largest allowed partition size 1979static BLOCK_SIZE find_partition_size(BLOCK_SIZE bsize, int rows_left, 1980 int cols_left, int *bh, int *bw) { 1981 if (rows_left <= 0 || cols_left <= 0) { 1982 return VPXMIN(bsize, BLOCK_8X8); 1983 } else { 1984 for (; bsize > 0; bsize -= 3) { 1985 *bh = num_8x8_blocks_high_lookup[bsize]; 1986 *bw = num_8x8_blocks_wide_lookup[bsize]; 1987 if ((*bh <= rows_left) && (*bw <= cols_left)) { 1988 break; 1989 } 1990 } 1991 } 1992 return bsize; 1993} 1994 1995static void set_partial_b64x64_partition(MODE_INFO *mi, int mis, int bh_in, 1996 int bw_in, int row8x8_remaining, 1997 int col8x8_remaining, BLOCK_SIZE bsize, 1998 MODE_INFO **mi_8x8) { 1999 int bh = bh_in; 2000 int r, c; 2001 for (r = 0; r < MI_BLOCK_SIZE; r += bh) { 2002 int bw = bw_in; 2003 for (c = 0; c < MI_BLOCK_SIZE; c += bw) { 2004 const int index = r * mis + c; 2005 mi_8x8[index] = mi + index; 2006 mi_8x8[index]->sb_type = find_partition_size( 2007 bsize, row8x8_remaining - r, col8x8_remaining - c, &bh, &bw); 2008 } 2009 } 2010} 2011 2012// This function attempts to set all mode info entries in a given SB64 2013// to the same block partition size. 2014// However, at the bottom and right borders of the image the requested size 2015// may not be allowed in which case this code attempts to choose the largest 2016// allowable partition. 2017static void set_fixed_partitioning(VP9_COMP *cpi, const TileInfo *const tile, 2018 MODE_INFO **mi_8x8, int mi_row, int mi_col, 2019 BLOCK_SIZE bsize) { 2020 VP9_COMMON *const cm = &cpi->common; 2021 const int mis = cm->mi_stride; 2022 const int row8x8_remaining = tile->mi_row_end - mi_row; 2023 const int col8x8_remaining = tile->mi_col_end - mi_col; 2024 int block_row, block_col; 2025 MODE_INFO *mi_upper_left = cm->mi + mi_row * mis + mi_col; 2026 int bh = num_8x8_blocks_high_lookup[bsize]; 2027 int bw = num_8x8_blocks_wide_lookup[bsize]; 2028 2029 assert((row8x8_remaining > 0) && (col8x8_remaining > 0)); 2030 2031 // Apply the requested partition size to the SB64 if it is all "in image" 2032 if ((col8x8_remaining >= MI_BLOCK_SIZE) && 2033 (row8x8_remaining >= MI_BLOCK_SIZE)) { 2034 for (block_row = 0; block_row < MI_BLOCK_SIZE; block_row += bh) { 2035 for (block_col = 0; block_col < MI_BLOCK_SIZE; block_col += bw) { 2036 int index = block_row * mis + block_col; 2037 mi_8x8[index] = mi_upper_left + index; 2038 mi_8x8[index]->sb_type = bsize; 2039 } 2040 } 2041 } else { 2042 // Else this is a partial SB64. 2043 set_partial_b64x64_partition(mi_upper_left, mis, bh, bw, row8x8_remaining, 2044 col8x8_remaining, bsize, mi_8x8); 2045 } 2046} 2047 2048static const struct { 2049 int row; 2050 int col; 2051} coord_lookup[16] = { 2052 // 32x32 index = 0 2053 { 0, 0 }, 2054 { 0, 2 }, 2055 { 2, 0 }, 2056 { 2, 2 }, 2057 // 32x32 index = 1 2058 { 0, 4 }, 2059 { 0, 6 }, 2060 { 2, 4 }, 2061 { 2, 6 }, 2062 // 32x32 index = 2 2063 { 4, 0 }, 2064 { 4, 2 }, 2065 { 6, 0 }, 2066 { 6, 2 }, 2067 // 32x32 index = 3 2068 { 4, 4 }, 2069 { 4, 6 }, 2070 { 6, 4 }, 2071 { 6, 6 }, 2072}; 2073 2074static void set_source_var_based_partition(VP9_COMP *cpi, 2075 const TileInfo *const tile, 2076 MACROBLOCK *const x, 2077 MODE_INFO **mi_8x8, int mi_row, 2078 int mi_col) { 2079 VP9_COMMON *const cm = &cpi->common; 2080 const int mis = cm->mi_stride; 2081 const int row8x8_remaining = tile->mi_row_end - mi_row; 2082 const int col8x8_remaining = tile->mi_col_end - mi_col; 2083 MODE_INFO *mi_upper_left = cm->mi + mi_row * mis + mi_col; 2084 2085 vp9_setup_src_planes(x, cpi->Source, mi_row, mi_col); 2086 2087 assert((row8x8_remaining > 0) && (col8x8_remaining > 0)); 2088 2089 // In-image SB64 2090 if ((col8x8_remaining >= MI_BLOCK_SIZE) && 2091 (row8x8_remaining >= MI_BLOCK_SIZE)) { 2092 int i, j; 2093 int index; 2094 diff d32[4]; 2095 const int offset = (mi_row >> 1) * cm->mb_cols + (mi_col >> 1); 2096 int is_larger_better = 0; 2097 int use32x32 = 0; 2098 unsigned int thr = cpi->source_var_thresh; 2099 2100 memset(d32, 0, 4 * sizeof(diff)); 2101 2102 for (i = 0; i < 4; i++) { 2103 diff *d16[4]; 2104 2105 for (j = 0; j < 4; j++) { 2106 int b_mi_row = coord_lookup[i * 4 + j].row; 2107 int b_mi_col = coord_lookup[i * 4 + j].col; 2108 int boffset = b_mi_row / 2 * cm->mb_cols + b_mi_col / 2; 2109 2110 d16[j] = cpi->source_diff_var + offset + boffset; 2111 2112 index = b_mi_row * mis + b_mi_col; 2113 mi_8x8[index] = mi_upper_left + index; 2114 mi_8x8[index]->sb_type = BLOCK_16X16; 2115 2116 // TODO(yunqingwang): If d16[j].var is very large, use 8x8 partition 2117 // size to further improve quality. 2118 } 2119 2120 is_larger_better = (d16[0]->var < thr) && (d16[1]->var < thr) && 2121 (d16[2]->var < thr) && (d16[3]->var < thr); 2122 2123 // Use 32x32 partition 2124 if (is_larger_better) { 2125 use32x32 += 1; 2126 2127 for (j = 0; j < 4; j++) { 2128 d32[i].sse += d16[j]->sse; 2129 d32[i].sum += d16[j]->sum; 2130 } 2131 2132 d32[i].var = 2133 (unsigned int)(d32[i].sse - 2134 (unsigned int)(((int64_t)d32[i].sum * d32[i].sum) >> 2135 10)); 2136 2137 index = coord_lookup[i * 4].row * mis + coord_lookup[i * 4].col; 2138 mi_8x8[index] = mi_upper_left + index; 2139 mi_8x8[index]->sb_type = BLOCK_32X32; 2140 } 2141 } 2142 2143 if (use32x32 == 4) { 2144 thr <<= 1; 2145 is_larger_better = (d32[0].var < thr) && (d32[1].var < thr) && 2146 (d32[2].var < thr) && (d32[3].var < thr); 2147 2148 // Use 64x64 partition 2149 if (is_larger_better) { 2150 mi_8x8[0] = mi_upper_left; 2151 mi_8x8[0]->sb_type = BLOCK_64X64; 2152 } 2153 } 2154 } else { // partial in-image SB64 2155 int bh = num_8x8_blocks_high_lookup[BLOCK_16X16]; 2156 int bw = num_8x8_blocks_wide_lookup[BLOCK_16X16]; 2157 set_partial_b64x64_partition(mi_upper_left, mis, bh, bw, row8x8_remaining, 2158 col8x8_remaining, BLOCK_16X16, mi_8x8); 2159 } 2160} 2161 2162static void update_state_rt(VP9_COMP *cpi, ThreadData *td, 2163 PICK_MODE_CONTEXT *ctx, int mi_row, int mi_col, 2164 int bsize) { 2165 VP9_COMMON *const cm = &cpi->common; 2166 MACROBLOCK *const x = &td->mb; 2167 MACROBLOCKD *const xd = &x->e_mbd; 2168 MODE_INFO *const mi = xd->mi[0]; 2169 struct macroblock_plane *const p = x->plane; 2170 const struct segmentation *const seg = &cm->seg; 2171 const int bw = num_8x8_blocks_wide_lookup[mi->sb_type]; 2172 const int bh = num_8x8_blocks_high_lookup[mi->sb_type]; 2173 const int x_mis = VPXMIN(bw, cm->mi_cols - mi_col); 2174 const int y_mis = VPXMIN(bh, cm->mi_rows - mi_row); 2175 2176 *(xd->mi[0]) = ctx->mic; 2177 *(x->mbmi_ext) = ctx->mbmi_ext; 2178 2179 if (seg->enabled && cpi->oxcf.aq_mode != NO_AQ) { 2180 // For in frame complexity AQ or variance AQ, copy segment_id from 2181 // segmentation_map. 2182 if (cpi->oxcf.aq_mode != CYCLIC_REFRESH_AQ) { 2183 const uint8_t *const map = 2184 seg->update_map ? cpi->segmentation_map : cm->last_frame_seg_map; 2185 mi->segment_id = get_segment_id(cm, map, bsize, mi_row, mi_col); 2186 } else { 2187 // Setting segmentation map for cyclic_refresh. 2188 vp9_cyclic_refresh_update_segment(cpi, mi, mi_row, mi_col, bsize, 2189 ctx->rate, ctx->dist, x->skip, p); 2190 } 2191 vp9_init_plane_quantizers(cpi, x); 2192 } 2193 2194 if (is_inter_block(mi)) { 2195 vp9_update_mv_count(td); 2196 if (cm->interp_filter == SWITCHABLE) { 2197 const int pred_ctx = get_pred_context_switchable_interp(xd); 2198 ++td->counts->switchable_interp[pred_ctx][mi->interp_filter]; 2199 } 2200 2201 if (mi->sb_type < BLOCK_8X8) { 2202 mi->mv[0].as_int = mi->bmi[3].as_mv[0].as_int; 2203 mi->mv[1].as_int = mi->bmi[3].as_mv[1].as_int; 2204 } 2205 } 2206 2207 if (cm->use_prev_frame_mvs || !cm->error_resilient_mode || 2208 (cpi->svc.use_base_mv && cpi->svc.number_spatial_layers > 1 && 2209 cpi->svc.spatial_layer_id != cpi->svc.number_spatial_layers - 1)) { 2210 MV_REF *const frame_mvs = 2211 cm->cur_frame->mvs + mi_row * cm->mi_cols + mi_col; 2212 int w, h; 2213 2214 for (h = 0; h < y_mis; ++h) { 2215 MV_REF *const frame_mv = frame_mvs + h * cm->mi_cols; 2216 for (w = 0; w < x_mis; ++w) { 2217 MV_REF *const mv = frame_mv + w; 2218 mv->ref_frame[0] = mi->ref_frame[0]; 2219 mv->ref_frame[1] = mi->ref_frame[1]; 2220 mv->mv[0].as_int = mi->mv[0].as_int; 2221 mv->mv[1].as_int = mi->mv[1].as_int; 2222 } 2223 } 2224 } 2225 2226 x->skip = ctx->skip; 2227 x->skip_txfm[0] = mi->segment_id ? 0 : ctx->skip_txfm[0]; 2228} 2229 2230static void encode_b_rt(VP9_COMP *cpi, ThreadData *td, 2231 const TileInfo *const tile, TOKENEXTRA **tp, int mi_row, 2232 int mi_col, int output_enabled, BLOCK_SIZE bsize, 2233 PICK_MODE_CONTEXT *ctx) { 2234 MACROBLOCK *const x = &td->mb; 2235 set_offsets(cpi, tile, x, mi_row, mi_col, bsize); 2236 update_state_rt(cpi, td, ctx, mi_row, mi_col, bsize); 2237 2238 encode_superblock(cpi, td, tp, output_enabled, mi_row, mi_col, bsize, ctx); 2239 update_stats(&cpi->common, td); 2240 2241 (*tp)->token = EOSB_TOKEN; 2242 (*tp)++; 2243} 2244 2245static void encode_sb_rt(VP9_COMP *cpi, ThreadData *td, 2246 const TileInfo *const tile, TOKENEXTRA **tp, 2247 int mi_row, int mi_col, int output_enabled, 2248 BLOCK_SIZE bsize, PC_TREE *pc_tree) { 2249 VP9_COMMON *const cm = &cpi->common; 2250 MACROBLOCK *const x = &td->mb; 2251 MACROBLOCKD *const xd = &x->e_mbd; 2252 2253 const int bsl = b_width_log2_lookup[bsize], hbs = (1 << bsl) / 4; 2254 int ctx; 2255 PARTITION_TYPE partition; 2256 BLOCK_SIZE subsize; 2257 2258 if (mi_row >= cm->mi_rows || mi_col >= cm->mi_cols) return; 2259 2260 if (bsize >= BLOCK_8X8) { 2261 const int idx_str = xd->mi_stride * mi_row + mi_col; 2262 MODE_INFO **mi_8x8 = cm->mi_grid_visible + idx_str; 2263 ctx = partition_plane_context(xd, mi_row, mi_col, bsize); 2264 subsize = mi_8x8[0]->sb_type; 2265 } else { 2266 ctx = 0; 2267 subsize = BLOCK_4X4; 2268 } 2269 2270 partition = partition_lookup[bsl][subsize]; 2271 if (output_enabled && bsize != BLOCK_4X4) 2272 td->counts->partition[ctx][partition]++; 2273 2274 switch (partition) { 2275 case PARTITION_NONE: 2276 encode_b_rt(cpi, td, tile, tp, mi_row, mi_col, output_enabled, subsize, 2277 &pc_tree->none); 2278 break; 2279 case PARTITION_VERT: 2280 encode_b_rt(cpi, td, tile, tp, mi_row, mi_col, output_enabled, subsize, 2281 &pc_tree->vertical[0]); 2282 if (mi_col + hbs < cm->mi_cols && bsize > BLOCK_8X8) { 2283 encode_b_rt(cpi, td, tile, tp, mi_row, mi_col + hbs, output_enabled, 2284 subsize, &pc_tree->vertical[1]); 2285 } 2286 break; 2287 case PARTITION_HORZ: 2288 encode_b_rt(cpi, td, tile, tp, mi_row, mi_col, output_enabled, subsize, 2289 &pc_tree->horizontal[0]); 2290 if (mi_row + hbs < cm->mi_rows && bsize > BLOCK_8X8) { 2291 encode_b_rt(cpi, td, tile, tp, mi_row + hbs, mi_col, output_enabled, 2292 subsize, &pc_tree->horizontal[1]); 2293 } 2294 break; 2295 case PARTITION_SPLIT: 2296 subsize = get_subsize(bsize, PARTITION_SPLIT); 2297 encode_sb_rt(cpi, td, tile, tp, mi_row, mi_col, output_enabled, subsize, 2298 pc_tree->split[0]); 2299 encode_sb_rt(cpi, td, tile, tp, mi_row, mi_col + hbs, output_enabled, 2300 subsize, pc_tree->split[1]); 2301 encode_sb_rt(cpi, td, tile, tp, mi_row + hbs, mi_col, output_enabled, 2302 subsize, pc_tree->split[2]); 2303 encode_sb_rt(cpi, td, tile, tp, mi_row + hbs, mi_col + hbs, 2304 output_enabled, subsize, pc_tree->split[3]); 2305 break; 2306 default: assert(0 && "Invalid partition type."); break; 2307 } 2308 2309 if (partition != PARTITION_SPLIT || bsize == BLOCK_8X8) 2310 update_partition_context(xd, mi_row, mi_col, subsize, bsize); 2311} 2312 2313static void rd_use_partition(VP9_COMP *cpi, ThreadData *td, 2314 TileDataEnc *tile_data, MODE_INFO **mi_8x8, 2315 TOKENEXTRA **tp, int mi_row, int mi_col, 2316 BLOCK_SIZE bsize, int *rate, int64_t *dist, 2317 int do_recon, PC_TREE *pc_tree) { 2318 VP9_COMMON *const cm = &cpi->common; 2319 TileInfo *const tile_info = &tile_data->tile_info; 2320 MACROBLOCK *const x = &td->mb; 2321 MACROBLOCKD *const xd = &x->e_mbd; 2322 const int mis = cm->mi_stride; 2323 const int bsl = b_width_log2_lookup[bsize]; 2324 const int mi_step = num_4x4_blocks_wide_lookup[bsize] / 2; 2325 const int bss = (1 << bsl) / 4; 2326 int i, pl; 2327 PARTITION_TYPE partition = PARTITION_NONE; 2328 BLOCK_SIZE subsize; 2329 ENTROPY_CONTEXT l[16 * MAX_MB_PLANE], a[16 * MAX_MB_PLANE]; 2330 PARTITION_CONTEXT sl[8], sa[8]; 2331 RD_COST last_part_rdc, none_rdc, chosen_rdc; 2332 BLOCK_SIZE sub_subsize = BLOCK_4X4; 2333 int splits_below = 0; 2334 BLOCK_SIZE bs_type = mi_8x8[0]->sb_type; 2335 int do_partition_search = 1; 2336 PICK_MODE_CONTEXT *ctx = &pc_tree->none; 2337 2338 if (mi_row >= cm->mi_rows || mi_col >= cm->mi_cols) return; 2339 2340 assert(num_4x4_blocks_wide_lookup[bsize] == 2341 num_4x4_blocks_high_lookup[bsize]); 2342 2343 vp9_rd_cost_reset(&last_part_rdc); 2344 vp9_rd_cost_reset(&none_rdc); 2345 vp9_rd_cost_reset(&chosen_rdc); 2346 2347 partition = partition_lookup[bsl][bs_type]; 2348 subsize = get_subsize(bsize, partition); 2349 2350 pc_tree->partitioning = partition; 2351 save_context(x, mi_row, mi_col, a, l, sa, sl, bsize); 2352 2353 if (bsize == BLOCK_16X16 && cpi->oxcf.aq_mode != NO_AQ) { 2354 set_offsets(cpi, tile_info, x, mi_row, mi_col, bsize); 2355 x->mb_energy = vp9_block_energy(cpi, x, bsize); 2356 } 2357 2358 if (do_partition_search && 2359 cpi->sf.partition_search_type == SEARCH_PARTITION && 2360 cpi->sf.adjust_partitioning_from_last_frame) { 2361 // Check if any of the sub blocks are further split. 2362 if (partition == PARTITION_SPLIT && subsize > BLOCK_8X8) { 2363 sub_subsize = get_subsize(subsize, PARTITION_SPLIT); 2364 splits_below = 1; 2365 for (i = 0; i < 4; i++) { 2366 int jj = i >> 1, ii = i & 0x01; 2367 MODE_INFO *this_mi = mi_8x8[jj * bss * mis + ii * bss]; 2368 if (this_mi && this_mi->sb_type >= sub_subsize) { 2369 splits_below = 0; 2370 } 2371 } 2372 } 2373 2374 // If partition is not none try none unless each of the 4 splits are split 2375 // even further.. 2376 if (partition != PARTITION_NONE && !splits_below && 2377 mi_row + (mi_step >> 1) < cm->mi_rows && 2378 mi_col + (mi_step >> 1) < cm->mi_cols) { 2379 pc_tree->partitioning = PARTITION_NONE; 2380 rd_pick_sb_modes(cpi, tile_data, x, mi_row, mi_col, &none_rdc, bsize, ctx, 2381 INT64_MAX); 2382 2383 pl = partition_plane_context(xd, mi_row, mi_col, bsize); 2384 2385 if (none_rdc.rate < INT_MAX) { 2386 none_rdc.rate += cpi->partition_cost[pl][PARTITION_NONE]; 2387 none_rdc.rdcost = 2388 RDCOST(x->rdmult, x->rddiv, none_rdc.rate, none_rdc.dist); 2389 } 2390 2391 restore_context(x, mi_row, mi_col, a, l, sa, sl, bsize); 2392 mi_8x8[0]->sb_type = bs_type; 2393 pc_tree->partitioning = partition; 2394 } 2395 } 2396 2397 switch (partition) { 2398 case PARTITION_NONE: 2399 rd_pick_sb_modes(cpi, tile_data, x, mi_row, mi_col, &last_part_rdc, bsize, 2400 ctx, INT64_MAX); 2401 break; 2402 case PARTITION_HORZ: 2403 rd_pick_sb_modes(cpi, tile_data, x, mi_row, mi_col, &last_part_rdc, 2404 subsize, &pc_tree->horizontal[0], INT64_MAX); 2405 if (last_part_rdc.rate != INT_MAX && bsize >= BLOCK_8X8 && 2406 mi_row + (mi_step >> 1) < cm->mi_rows) { 2407 RD_COST tmp_rdc; 2408 PICK_MODE_CONTEXT *ctx = &pc_tree->horizontal[0]; 2409 vp9_rd_cost_init(&tmp_rdc); 2410 update_state(cpi, td, ctx, mi_row, mi_col, subsize, 0); 2411 encode_superblock(cpi, td, tp, 0, mi_row, mi_col, subsize, ctx); 2412 rd_pick_sb_modes(cpi, tile_data, x, mi_row + (mi_step >> 1), mi_col, 2413 &tmp_rdc, subsize, &pc_tree->horizontal[1], INT64_MAX); 2414 if (tmp_rdc.rate == INT_MAX || tmp_rdc.dist == INT64_MAX) { 2415 vp9_rd_cost_reset(&last_part_rdc); 2416 break; 2417 } 2418 last_part_rdc.rate += tmp_rdc.rate; 2419 last_part_rdc.dist += tmp_rdc.dist; 2420 last_part_rdc.rdcost += tmp_rdc.rdcost; 2421 } 2422 break; 2423 case PARTITION_VERT: 2424 rd_pick_sb_modes(cpi, tile_data, x, mi_row, mi_col, &last_part_rdc, 2425 subsize, &pc_tree->vertical[0], INT64_MAX); 2426 if (last_part_rdc.rate != INT_MAX && bsize >= BLOCK_8X8 && 2427 mi_col + (mi_step >> 1) < cm->mi_cols) { 2428 RD_COST tmp_rdc; 2429 PICK_MODE_CONTEXT *ctx = &pc_tree->vertical[0]; 2430 vp9_rd_cost_init(&tmp_rdc); 2431 update_state(cpi, td, ctx, mi_row, mi_col, subsize, 0); 2432 encode_superblock(cpi, td, tp, 0, mi_row, mi_col, subsize, ctx); 2433 rd_pick_sb_modes(cpi, tile_data, x, mi_row, mi_col + (mi_step >> 1), 2434 &tmp_rdc, subsize, 2435 &pc_tree->vertical[bsize > BLOCK_8X8], INT64_MAX); 2436 if (tmp_rdc.rate == INT_MAX || tmp_rdc.dist == INT64_MAX) { 2437 vp9_rd_cost_reset(&last_part_rdc); 2438 break; 2439 } 2440 last_part_rdc.rate += tmp_rdc.rate; 2441 last_part_rdc.dist += tmp_rdc.dist; 2442 last_part_rdc.rdcost += tmp_rdc.rdcost; 2443 } 2444 break; 2445 case PARTITION_SPLIT: 2446 if (bsize == BLOCK_8X8) { 2447 rd_pick_sb_modes(cpi, tile_data, x, mi_row, mi_col, &last_part_rdc, 2448 subsize, pc_tree->leaf_split[0], INT64_MAX); 2449 break; 2450 } 2451 last_part_rdc.rate = 0; 2452 last_part_rdc.dist = 0; 2453 last_part_rdc.rdcost = 0; 2454 for (i = 0; i < 4; i++) { 2455 int x_idx = (i & 1) * (mi_step >> 1); 2456 int y_idx = (i >> 1) * (mi_step >> 1); 2457 int jj = i >> 1, ii = i & 0x01; 2458 RD_COST tmp_rdc; 2459 if ((mi_row + y_idx >= cm->mi_rows) || (mi_col + x_idx >= cm->mi_cols)) 2460 continue; 2461 2462 vp9_rd_cost_init(&tmp_rdc); 2463 rd_use_partition(cpi, td, tile_data, mi_8x8 + jj * bss * mis + ii * bss, 2464 tp, mi_row + y_idx, mi_col + x_idx, subsize, 2465 &tmp_rdc.rate, &tmp_rdc.dist, i != 3, 2466 pc_tree->split[i]); 2467 if (tmp_rdc.rate == INT_MAX || tmp_rdc.dist == INT64_MAX) { 2468 vp9_rd_cost_reset(&last_part_rdc); 2469 break; 2470 } 2471 last_part_rdc.rate += tmp_rdc.rate; 2472 last_part_rdc.dist += tmp_rdc.dist; 2473 } 2474 break; 2475 default: assert(0); break; 2476 } 2477 2478 pl = partition_plane_context(xd, mi_row, mi_col, bsize); 2479 if (last_part_rdc.rate < INT_MAX) { 2480 last_part_rdc.rate += cpi->partition_cost[pl][partition]; 2481 last_part_rdc.rdcost = 2482 RDCOST(x->rdmult, x->rddiv, last_part_rdc.rate, last_part_rdc.dist); 2483 } 2484 2485 if (do_partition_search && cpi->sf.adjust_partitioning_from_last_frame && 2486 cpi->sf.partition_search_type == SEARCH_PARTITION && 2487 partition != PARTITION_SPLIT && bsize > BLOCK_8X8 && 2488 (mi_row + mi_step < cm->mi_rows || 2489 mi_row + (mi_step >> 1) == cm->mi_rows) && 2490 (mi_col + mi_step < cm->mi_cols || 2491 mi_col + (mi_step >> 1) == cm->mi_cols)) { 2492 BLOCK_SIZE split_subsize = get_subsize(bsize, PARTITION_SPLIT); 2493 chosen_rdc.rate = 0; 2494 chosen_rdc.dist = 0; 2495 restore_context(x, mi_row, mi_col, a, l, sa, sl, bsize); 2496 pc_tree->partitioning = PARTITION_SPLIT; 2497 2498 // Split partition. 2499 for (i = 0; i < 4; i++) { 2500 int x_idx = (i & 1) * (mi_step >> 1); 2501 int y_idx = (i >> 1) * (mi_step >> 1); 2502 RD_COST tmp_rdc; 2503 ENTROPY_CONTEXT l[16 * MAX_MB_PLANE], a[16 * MAX_MB_PLANE]; 2504 PARTITION_CONTEXT sl[8], sa[8]; 2505 2506 if ((mi_row + y_idx >= cm->mi_rows) || (mi_col + x_idx >= cm->mi_cols)) 2507 continue; 2508 2509 save_context(x, mi_row, mi_col, a, l, sa, sl, bsize); 2510 pc_tree->split[i]->partitioning = PARTITION_NONE; 2511 rd_pick_sb_modes(cpi, tile_data, x, mi_row + y_idx, mi_col + x_idx, 2512 &tmp_rdc, split_subsize, &pc_tree->split[i]->none, 2513 INT64_MAX); 2514 2515 restore_context(x, mi_row, mi_col, a, l, sa, sl, bsize); 2516 2517 if (tmp_rdc.rate == INT_MAX || tmp_rdc.dist == INT64_MAX) { 2518 vp9_rd_cost_reset(&chosen_rdc); 2519 break; 2520 } 2521 2522 chosen_rdc.rate += tmp_rdc.rate; 2523 chosen_rdc.dist += tmp_rdc.dist; 2524 2525 if (i != 3) 2526 encode_sb(cpi, td, tile_info, tp, mi_row + y_idx, mi_col + x_idx, 0, 2527 split_subsize, pc_tree->split[i]); 2528 2529 pl = partition_plane_context(xd, mi_row + y_idx, mi_col + x_idx, 2530 split_subsize); 2531 chosen_rdc.rate += cpi->partition_cost[pl][PARTITION_NONE]; 2532 } 2533 pl = partition_plane_context(xd, mi_row, mi_col, bsize); 2534 if (chosen_rdc.rate < INT_MAX) { 2535 chosen_rdc.rate += cpi->partition_cost[pl][PARTITION_SPLIT]; 2536 chosen_rdc.rdcost = 2537 RDCOST(x->rdmult, x->rddiv, chosen_rdc.rate, chosen_rdc.dist); 2538 } 2539 } 2540 2541 // If last_part is better set the partitioning to that. 2542 if (last_part_rdc.rdcost < chosen_rdc.rdcost) { 2543 mi_8x8[0]->sb_type = bsize; 2544 if (bsize >= BLOCK_8X8) pc_tree->partitioning = partition; 2545 chosen_rdc = last_part_rdc; 2546 } 2547 // If none was better set the partitioning to that. 2548 if (none_rdc.rdcost < chosen_rdc.rdcost) { 2549 if (bsize >= BLOCK_8X8) pc_tree->partitioning = PARTITION_NONE; 2550 chosen_rdc = none_rdc; 2551 } 2552 2553 restore_context(x, mi_row, mi_col, a, l, sa, sl, bsize); 2554 2555 // We must have chosen a partitioning and encoding or we'll fail later on. 2556 // No other opportunities for success. 2557 if (bsize == BLOCK_64X64) 2558 assert(chosen_rdc.rate < INT_MAX && chosen_rdc.dist < INT64_MAX); 2559 2560 if (do_recon) { 2561 int output_enabled = (bsize == BLOCK_64X64); 2562 encode_sb(cpi, td, tile_info, tp, mi_row, mi_col, output_enabled, bsize, 2563 pc_tree); 2564 } 2565 2566 *rate = chosen_rdc.rate; 2567 *dist = chosen_rdc.dist; 2568} 2569 2570static const BLOCK_SIZE min_partition_size[BLOCK_SIZES] = { 2571 BLOCK_4X4, BLOCK_4X4, BLOCK_4X4, BLOCK_4X4, BLOCK_4X4, 2572 BLOCK_4X4, BLOCK_8X8, BLOCK_8X8, BLOCK_8X8, BLOCK_16X16, 2573 BLOCK_16X16, BLOCK_16X16, BLOCK_16X16 2574}; 2575 2576static const BLOCK_SIZE max_partition_size[BLOCK_SIZES] = { 2577 BLOCK_8X8, BLOCK_16X16, BLOCK_16X16, BLOCK_16X16, BLOCK_32X32, 2578 BLOCK_32X32, BLOCK_32X32, BLOCK_64X64, BLOCK_64X64, BLOCK_64X64, 2579 BLOCK_64X64, BLOCK_64X64, BLOCK_64X64 2580}; 2581 2582// Look at all the mode_info entries for blocks that are part of this 2583// partition and find the min and max values for sb_type. 2584// At the moment this is designed to work on a 64x64 SB but could be 2585// adjusted to use a size parameter. 2586// 2587// The min and max are assumed to have been initialized prior to calling this 2588// function so repeat calls can accumulate a min and max of more than one sb64. 2589static void get_sb_partition_size_range(MACROBLOCKD *xd, MODE_INFO **mi_8x8, 2590 BLOCK_SIZE *min_block_size, 2591 BLOCK_SIZE *max_block_size, 2592 int bs_hist[BLOCK_SIZES]) { 2593 int sb_width_in_blocks = MI_BLOCK_SIZE; 2594 int sb_height_in_blocks = MI_BLOCK_SIZE; 2595 int i, j; 2596 int index = 0; 2597 2598 // Check the sb_type for each block that belongs to this region. 2599 for (i = 0; i < sb_height_in_blocks; ++i) { 2600 for (j = 0; j < sb_width_in_blocks; ++j) { 2601 MODE_INFO *mi = mi_8x8[index + j]; 2602 BLOCK_SIZE sb_type = mi ? mi->sb_type : 0; 2603 bs_hist[sb_type]++; 2604 *min_block_size = VPXMIN(*min_block_size, sb_type); 2605 *max_block_size = VPXMAX(*max_block_size, sb_type); 2606 } 2607 index += xd->mi_stride; 2608 } 2609} 2610 2611// Next square block size less or equal than current block size. 2612static const BLOCK_SIZE next_square_size[BLOCK_SIZES] = { 2613 BLOCK_4X4, BLOCK_4X4, BLOCK_4X4, BLOCK_8X8, BLOCK_8X8, 2614 BLOCK_8X8, BLOCK_16X16, BLOCK_16X16, BLOCK_16X16, BLOCK_32X32, 2615 BLOCK_32X32, BLOCK_32X32, BLOCK_64X64 2616}; 2617 2618// Look at neighboring blocks and set a min and max partition size based on 2619// what they chose. 2620static void rd_auto_partition_range(VP9_COMP *cpi, const TileInfo *const tile, 2621 MACROBLOCKD *const xd, int mi_row, 2622 int mi_col, BLOCK_SIZE *min_block_size, 2623 BLOCK_SIZE *max_block_size) { 2624 VP9_COMMON *const cm = &cpi->common; 2625 MODE_INFO **mi = xd->mi; 2626 const int left_in_image = !!xd->left_mi; 2627 const int above_in_image = !!xd->above_mi; 2628 const int row8x8_remaining = tile->mi_row_end - mi_row; 2629 const int col8x8_remaining = tile->mi_col_end - mi_col; 2630 int bh, bw; 2631 BLOCK_SIZE min_size = BLOCK_4X4; 2632 BLOCK_SIZE max_size = BLOCK_64X64; 2633 int bs_hist[BLOCK_SIZES] = { 0 }; 2634 2635 // Trap case where we do not have a prediction. 2636 if (left_in_image || above_in_image || cm->frame_type != KEY_FRAME) { 2637 // Default "min to max" and "max to min" 2638 min_size = BLOCK_64X64; 2639 max_size = BLOCK_4X4; 2640 2641 // NOTE: each call to get_sb_partition_size_range() uses the previous 2642 // passed in values for min and max as a starting point. 2643 // Find the min and max partition used in previous frame at this location 2644 if (cm->frame_type != KEY_FRAME) { 2645 MODE_INFO **prev_mi = 2646 &cm->prev_mi_grid_visible[mi_row * xd->mi_stride + mi_col]; 2647 get_sb_partition_size_range(xd, prev_mi, &min_size, &max_size, bs_hist); 2648 } 2649 // Find the min and max partition sizes used in the left SB64 2650 if (left_in_image) { 2651 MODE_INFO **left_sb64_mi = &mi[-MI_BLOCK_SIZE]; 2652 get_sb_partition_size_range(xd, left_sb64_mi, &min_size, &max_size, 2653 bs_hist); 2654 } 2655 // Find the min and max partition sizes used in the above SB64. 2656 if (above_in_image) { 2657 MODE_INFO **above_sb64_mi = &mi[-xd->mi_stride * MI_BLOCK_SIZE]; 2658 get_sb_partition_size_range(xd, above_sb64_mi, &min_size, &max_size, 2659 bs_hist); 2660 } 2661 2662 // Adjust observed min and max for "relaxed" auto partition case. 2663 if (cpi->sf.auto_min_max_partition_size == RELAXED_NEIGHBORING_MIN_MAX) { 2664 min_size = min_partition_size[min_size]; 2665 max_size = max_partition_size[max_size]; 2666 } 2667 } 2668 2669 // Check border cases where max and min from neighbors may not be legal. 2670 max_size = find_partition_size(max_size, row8x8_remaining, col8x8_remaining, 2671 &bh, &bw); 2672 // Test for blocks at the edge of the active image. 2673 // This may be the actual edge of the image or where there are formatting 2674 // bars. 2675 if (vp9_active_edge_sb(cpi, mi_row, mi_col)) { 2676 min_size = BLOCK_4X4; 2677 } else { 2678 min_size = 2679 VPXMIN(cpi->sf.rd_auto_partition_min_limit, VPXMIN(min_size, max_size)); 2680 } 2681 2682 // When use_square_partition_only is true, make sure at least one square 2683 // partition is allowed by selecting the next smaller square size as 2684 // *min_block_size. 2685 if (cpi->sf.use_square_partition_only && 2686 next_square_size[max_size] < min_size) { 2687 min_size = next_square_size[max_size]; 2688 } 2689 2690 *min_block_size = min_size; 2691 *max_block_size = max_size; 2692} 2693 2694// TODO(jingning) refactor functions setting partition search range 2695static void set_partition_range(VP9_COMMON *cm, MACROBLOCKD *xd, int mi_row, 2696 int mi_col, BLOCK_SIZE bsize, 2697 BLOCK_SIZE *min_bs, BLOCK_SIZE *max_bs) { 2698 int mi_width = num_8x8_blocks_wide_lookup[bsize]; 2699 int mi_height = num_8x8_blocks_high_lookup[bsize]; 2700 int idx, idy; 2701 2702 MODE_INFO *mi; 2703 const int idx_str = cm->mi_stride * mi_row + mi_col; 2704 MODE_INFO **prev_mi = &cm->prev_mi_grid_visible[idx_str]; 2705 BLOCK_SIZE bs, min_size, max_size; 2706 2707 min_size = BLOCK_64X64; 2708 max_size = BLOCK_4X4; 2709 2710 if (prev_mi) { 2711 for (idy = 0; idy < mi_height; ++idy) { 2712 for (idx = 0; idx < mi_width; ++idx) { 2713 mi = prev_mi[idy * cm->mi_stride + idx]; 2714 bs = mi ? mi->sb_type : bsize; 2715 min_size = VPXMIN(min_size, bs); 2716 max_size = VPXMAX(max_size, bs); 2717 } 2718 } 2719 } 2720 2721 if (xd->left_mi) { 2722 for (idy = 0; idy < mi_height; ++idy) { 2723 mi = xd->mi[idy * cm->mi_stride - 1]; 2724 bs = mi ? mi->sb_type : bsize; 2725 min_size = VPXMIN(min_size, bs); 2726 max_size = VPXMAX(max_size, bs); 2727 } 2728 } 2729 2730 if (xd->above_mi) { 2731 for (idx = 0; idx < mi_width; ++idx) { 2732 mi = xd->mi[idx - cm->mi_stride]; 2733 bs = mi ? mi->sb_type : bsize; 2734 min_size = VPXMIN(min_size, bs); 2735 max_size = VPXMAX(max_size, bs); 2736 } 2737 } 2738 2739 if (min_size == max_size) { 2740 min_size = min_partition_size[min_size]; 2741 max_size = max_partition_size[max_size]; 2742 } 2743 2744 *min_bs = min_size; 2745 *max_bs = max_size; 2746} 2747 2748static INLINE void store_pred_mv(MACROBLOCK *x, PICK_MODE_CONTEXT *ctx) { 2749 memcpy(ctx->pred_mv, x->pred_mv, sizeof(x->pred_mv)); 2750} 2751 2752static INLINE void load_pred_mv(MACROBLOCK *x, PICK_MODE_CONTEXT *ctx) { 2753 memcpy(x->pred_mv, ctx->pred_mv, sizeof(x->pred_mv)); 2754} 2755 2756#if CONFIG_FP_MB_STATS 2757const int num_16x16_blocks_wide_lookup[BLOCK_SIZES] = { 1, 1, 1, 1, 1, 1, 1, 2758 1, 2, 2, 2, 4, 4 }; 2759const int num_16x16_blocks_high_lookup[BLOCK_SIZES] = { 1, 1, 1, 1, 1, 1, 1, 2760 2, 1, 2, 4, 2, 4 }; 2761const int qindex_skip_threshold_lookup[BLOCK_SIZES] = { 2762 0, 10, 10, 30, 40, 40, 60, 80, 80, 90, 100, 100, 120 2763}; 2764const int qindex_split_threshold_lookup[BLOCK_SIZES] = { 2765 0, 3, 3, 7, 15, 15, 30, 40, 40, 60, 80, 80, 120 2766}; 2767const int complexity_16x16_blocks_threshold[BLOCK_SIZES] = { 2768 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 4, 4, 6 2769}; 2770 2771typedef enum { 2772 MV_ZERO = 0, 2773 MV_LEFT = 1, 2774 MV_UP = 2, 2775 MV_RIGHT = 3, 2776 MV_DOWN = 4, 2777 MV_INVALID 2778} MOTION_DIRECTION; 2779 2780static INLINE MOTION_DIRECTION get_motion_direction_fp(uint8_t fp_byte) { 2781 if (fp_byte & FPMB_MOTION_ZERO_MASK) { 2782 return MV_ZERO; 2783 } else if (fp_byte & FPMB_MOTION_LEFT_MASK) { 2784 return MV_LEFT; 2785 } else if (fp_byte & FPMB_MOTION_RIGHT_MASK) { 2786 return MV_RIGHT; 2787 } else if (fp_byte & FPMB_MOTION_UP_MASK) { 2788 return MV_UP; 2789 } else { 2790 return MV_DOWN; 2791 } 2792} 2793 2794static INLINE int get_motion_inconsistency(MOTION_DIRECTION this_mv, 2795 MOTION_DIRECTION that_mv) { 2796 if (this_mv == that_mv) { 2797 return 0; 2798 } else { 2799 return abs(this_mv - that_mv) == 2 ? 2 : 1; 2800 } 2801} 2802#endif 2803 2804// Calculate the score used in machine-learning based partition search early 2805// termination. 2806static double compute_score(VP9_COMMON *const cm, MACROBLOCKD *const xd, 2807 PICK_MODE_CONTEXT *ctx, int mi_row, int mi_col, 2808 BLOCK_SIZE bsize) { 2809 const double *clf; 2810 const double *mean; 2811 const double *sd; 2812 const int mag_mv = 2813 abs(ctx->mic.mv[0].as_mv.col) + abs(ctx->mic.mv[0].as_mv.row); 2814 const int left_in_image = !!xd->left_mi; 2815 const int above_in_image = !!xd->above_mi; 2816 MODE_INFO **prev_mi = 2817 &cm->prev_mi_grid_visible[mi_col + cm->mi_stride * mi_row]; 2818 int above_par = 0; // above_partitioning 2819 int left_par = 0; // left_partitioning 2820 int last_par = 0; // last_partitioning 2821 BLOCK_SIZE context_size; 2822 double score; 2823 int offset = 0; 2824 2825 assert(b_width_log2_lookup[bsize] == b_height_log2_lookup[bsize]); 2826 2827 if (above_in_image) { 2828 context_size = xd->above_mi->sb_type; 2829 if (context_size < bsize) 2830 above_par = 2; 2831 else if (context_size == bsize) 2832 above_par = 1; 2833 } 2834 2835 if (left_in_image) { 2836 context_size = xd->left_mi->sb_type; 2837 if (context_size < bsize) 2838 left_par = 2; 2839 else if (context_size == bsize) 2840 left_par = 1; 2841 } 2842 2843 if (prev_mi) { 2844 context_size = prev_mi[0]->sb_type; 2845 if (context_size < bsize) 2846 last_par = 2; 2847 else if (context_size == bsize) 2848 last_par = 1; 2849 } 2850 2851 if (bsize == BLOCK_64X64) 2852 offset = 0; 2853 else if (bsize == BLOCK_32X32) 2854 offset = 8; 2855 else if (bsize == BLOCK_16X16) 2856 offset = 16; 2857 2858 // early termination score calculation 2859 clf = &classifiers[offset]; 2860 mean = &train_mean[offset]; 2861 sd = &train_stdm[offset]; 2862 score = clf[0] * (((double)ctx->rate - mean[0]) / sd[0]) + 2863 clf[1] * (((double)ctx->dist - mean[1]) / sd[1]) + 2864 clf[2] * (((double)mag_mv / 2 - mean[2]) * sd[2]) + 2865 clf[3] * (((double)(left_par + above_par) / 2 - mean[3]) * sd[3]) + 2866 clf[4] * (((double)ctx->sum_y_eobs - mean[4]) / sd[4]) + 2867 clf[5] * (((double)cm->base_qindex - mean[5]) * sd[5]) + 2868 clf[6] * (((double)last_par - mean[6]) * sd[6]) + clf[7]; 2869 return score; 2870} 2871 2872// TODO(jingning,jimbankoski,rbultje): properly skip partition types that are 2873// unlikely to be selected depending on previous rate-distortion optimization 2874// results, for encoding speed-up. 2875static void rd_pick_partition(VP9_COMP *cpi, ThreadData *td, 2876 TileDataEnc *tile_data, TOKENEXTRA **tp, 2877 int mi_row, int mi_col, BLOCK_SIZE bsize, 2878 RD_COST *rd_cost, int64_t best_rd, 2879 PC_TREE *pc_tree) { 2880 VP9_COMMON *const cm = &cpi->common; 2881 TileInfo *const tile_info = &tile_data->tile_info; 2882 MACROBLOCK *const x = &td->mb; 2883 MACROBLOCKD *const xd = &x->e_mbd; 2884 const int mi_step = num_8x8_blocks_wide_lookup[bsize] / 2; 2885 ENTROPY_CONTEXT l[16 * MAX_MB_PLANE], a[16 * MAX_MB_PLANE]; 2886 PARTITION_CONTEXT sl[8], sa[8]; 2887 TOKENEXTRA *tp_orig = *tp; 2888 PICK_MODE_CONTEXT *ctx = &pc_tree->none; 2889 int i; 2890 const int pl = partition_plane_context(xd, mi_row, mi_col, bsize); 2891 BLOCK_SIZE subsize; 2892 RD_COST this_rdc, sum_rdc, best_rdc; 2893 int do_split = bsize >= BLOCK_8X8; 2894 int do_rect = 1; 2895 INTERP_FILTER pred_interp_filter; 2896 2897 // Override skipping rectangular partition operations for edge blocks 2898 const int force_horz_split = (mi_row + mi_step >= cm->mi_rows); 2899 const int force_vert_split = (mi_col + mi_step >= cm->mi_cols); 2900 const int xss = x->e_mbd.plane[1].subsampling_x; 2901 const int yss = x->e_mbd.plane[1].subsampling_y; 2902 2903 BLOCK_SIZE min_size = x->min_partition_size; 2904 BLOCK_SIZE max_size = x->max_partition_size; 2905 2906#if CONFIG_FP_MB_STATS 2907 unsigned int src_diff_var = UINT_MAX; 2908 int none_complexity = 0; 2909#endif 2910 2911 int partition_none_allowed = !force_horz_split && !force_vert_split; 2912 int partition_horz_allowed = 2913 !force_vert_split && yss <= xss && bsize >= BLOCK_8X8; 2914 int partition_vert_allowed = 2915 !force_horz_split && xss <= yss && bsize >= BLOCK_8X8; 2916 2917 int64_t dist_breakout_thr = cpi->sf.partition_search_breakout_thr.dist; 2918 int rate_breakout_thr = cpi->sf.partition_search_breakout_thr.rate; 2919 2920 (void)*tp_orig; 2921 2922 assert(num_8x8_blocks_wide_lookup[bsize] == 2923 num_8x8_blocks_high_lookup[bsize]); 2924 2925 // Adjust dist breakout threshold according to the partition size. 2926 dist_breakout_thr >>= 2927 8 - (b_width_log2_lookup[bsize] + b_height_log2_lookup[bsize]); 2928 rate_breakout_thr *= num_pels_log2_lookup[bsize]; 2929 2930 vp9_rd_cost_init(&this_rdc); 2931 vp9_rd_cost_init(&sum_rdc); 2932 vp9_rd_cost_reset(&best_rdc); 2933 best_rdc.rdcost = best_rd; 2934 2935 set_offsets(cpi, tile_info, x, mi_row, mi_col, bsize); 2936 2937 if (bsize == BLOCK_16X16 && cpi->oxcf.aq_mode != NO_AQ && 2938 cpi->oxcf.aq_mode != LOOKAHEAD_AQ) 2939 x->mb_energy = vp9_block_energy(cpi, x, bsize); 2940 2941 if (cpi->sf.cb_partition_search && bsize == BLOCK_16X16) { 2942 int cb_partition_search_ctrl = 2943 ((pc_tree->index == 0 || pc_tree->index == 3) + 2944 get_chessboard_index(cm->current_video_frame)) & 2945 0x1; 2946 2947 if (cb_partition_search_ctrl && bsize > min_size && bsize < max_size) 2948 set_partition_range(cm, xd, mi_row, mi_col, bsize, &min_size, &max_size); 2949 } 2950 2951 // Determine partition types in search according to the speed features. 2952 // The threshold set here has to be of square block size. 2953 if (cpi->sf.auto_min_max_partition_size) { 2954 partition_none_allowed &= (bsize <= max_size && bsize >= min_size); 2955 partition_horz_allowed &= 2956 ((bsize <= max_size && bsize > min_size) || force_horz_split); 2957 partition_vert_allowed &= 2958 ((bsize <= max_size && bsize > min_size) || force_vert_split); 2959 do_split &= bsize > min_size; 2960 } 2961 2962 if (cpi->sf.use_square_partition_only && 2963 bsize > cpi->sf.use_square_only_threshold) { 2964 if (cpi->use_svc) { 2965 if (!vp9_active_h_edge(cpi, mi_row, mi_step) || x->e_mbd.lossless) 2966 partition_horz_allowed &= force_horz_split; 2967 if (!vp9_active_v_edge(cpi, mi_row, mi_step) || x->e_mbd.lossless) 2968 partition_vert_allowed &= force_vert_split; 2969 } else { 2970 partition_horz_allowed &= force_horz_split; 2971 partition_vert_allowed &= force_vert_split; 2972 } 2973 } 2974 2975 save_context(x, mi_row, mi_col, a, l, sa, sl, bsize); 2976 2977#if CONFIG_FP_MB_STATS 2978 if (cpi->use_fp_mb_stats) { 2979 set_offsets(cpi, tile_info, x, mi_row, mi_col, bsize); 2980 src_diff_var = get_sby_perpixel_diff_variance(cpi, &x->plane[0].src, mi_row, 2981 mi_col, bsize); 2982 } 2983#endif 2984 2985#if CONFIG_FP_MB_STATS 2986 // Decide whether we shall split directly and skip searching NONE by using 2987 // the first pass block statistics 2988 if (cpi->use_fp_mb_stats && bsize >= BLOCK_32X32 && do_split && 2989 partition_none_allowed && src_diff_var > 4 && 2990 cm->base_qindex < qindex_split_threshold_lookup[bsize]) { 2991 int mb_row = mi_row >> 1; 2992 int mb_col = mi_col >> 1; 2993 int mb_row_end = 2994 VPXMIN(mb_row + num_16x16_blocks_high_lookup[bsize], cm->mb_rows); 2995 int mb_col_end = 2996 VPXMIN(mb_col + num_16x16_blocks_wide_lookup[bsize], cm->mb_cols); 2997 int r, c; 2998 2999 // compute a complexity measure, basically measure inconsistency of motion 3000 // vectors obtained from the first pass in the current block 3001 for (r = mb_row; r < mb_row_end; r++) { 3002 for (c = mb_col; c < mb_col_end; c++) { 3003 const int mb_index = r * cm->mb_cols + c; 3004 3005 MOTION_DIRECTION this_mv; 3006 MOTION_DIRECTION right_mv; 3007 MOTION_DIRECTION bottom_mv; 3008 3009 this_mv = 3010 get_motion_direction_fp(cpi->twopass.this_frame_mb_stats[mb_index]); 3011 3012 // to its right 3013 if (c != mb_col_end - 1) { 3014 right_mv = get_motion_direction_fp( 3015 cpi->twopass.this_frame_mb_stats[mb_index + 1]); 3016 none_complexity += get_motion_inconsistency(this_mv, right_mv); 3017 } 3018 3019 // to its bottom 3020 if (r != mb_row_end - 1) { 3021 bottom_mv = get_motion_direction_fp( 3022 cpi->twopass.this_frame_mb_stats[mb_index + cm->mb_cols]); 3023 none_complexity += get_motion_inconsistency(this_mv, bottom_mv); 3024 } 3025 3026 // do not count its left and top neighbors to avoid double counting 3027 } 3028 } 3029 3030 if (none_complexity > complexity_16x16_blocks_threshold[bsize]) { 3031 partition_none_allowed = 0; 3032 } 3033 } 3034#endif 3035 3036 // PARTITION_NONE 3037 if (partition_none_allowed) { 3038 rd_pick_sb_modes(cpi, tile_data, x, mi_row, mi_col, &this_rdc, bsize, ctx, 3039 best_rdc.rdcost); 3040 if (this_rdc.rate != INT_MAX) { 3041 if (bsize >= BLOCK_8X8) { 3042 this_rdc.rate += cpi->partition_cost[pl][PARTITION_NONE]; 3043 this_rdc.rdcost = 3044 RDCOST(x->rdmult, x->rddiv, this_rdc.rate, this_rdc.dist); 3045 } 3046 3047 if (this_rdc.rdcost < best_rdc.rdcost) { 3048 MODE_INFO *mi = xd->mi[0]; 3049 3050 best_rdc = this_rdc; 3051 if (bsize >= BLOCK_8X8) pc_tree->partitioning = PARTITION_NONE; 3052 3053 if (!cpi->sf.ml_partition_search_early_termination) { 3054 // If all y, u, v transform blocks in this partition are skippable, 3055 // and the dist & rate are within the thresholds, the partition search 3056 // is terminated for current branch of the partition search tree. 3057 if (!x->e_mbd.lossless && ctx->skippable && 3058 ((best_rdc.dist < (dist_breakout_thr >> 2)) || 3059 (best_rdc.dist < dist_breakout_thr && 3060 best_rdc.rate < rate_breakout_thr))) { 3061 do_split = 0; 3062 do_rect = 0; 3063 } 3064 } else { 3065 // Currently, the machine-learning based partition search early 3066 // termination is only used while bsize is 16x16, 32x32 or 64x64, 3067 // VPXMIN(cm->width, cm->height) >= 480, and speed = 0. 3068 if (!x->e_mbd.lossless && 3069 !segfeature_active(&cm->seg, mi->segment_id, SEG_LVL_SKIP) && 3070 ctx->mic.mode >= INTRA_MODES && bsize >= BLOCK_16X16) { 3071 if (compute_score(cm, xd, ctx, mi_row, mi_col, bsize) < 0.0) { 3072 do_split = 0; 3073 do_rect = 0; 3074 } 3075 } 3076 } 3077 3078#if CONFIG_FP_MB_STATS 3079 // Check if every 16x16 first pass block statistics has zero 3080 // motion and the corresponding first pass residue is small enough. 3081 // If that is the case, check the difference variance between the 3082 // current frame and the last frame. If the variance is small enough, 3083 // stop further splitting in RD optimization 3084 if (cpi->use_fp_mb_stats && do_split != 0 && 3085 cm->base_qindex > qindex_skip_threshold_lookup[bsize]) { 3086 int mb_row = mi_row >> 1; 3087 int mb_col = mi_col >> 1; 3088 int mb_row_end = 3089 VPXMIN(mb_row + num_16x16_blocks_high_lookup[bsize], cm->mb_rows); 3090 int mb_col_end = 3091 VPXMIN(mb_col + num_16x16_blocks_wide_lookup[bsize], cm->mb_cols); 3092 int r, c; 3093 3094 int skip = 1; 3095 for (r = mb_row; r < mb_row_end; r++) { 3096 for (c = mb_col; c < mb_col_end; c++) { 3097 const int mb_index = r * cm->mb_cols + c; 3098 if (!(cpi->twopass.this_frame_mb_stats[mb_index] & 3099 FPMB_MOTION_ZERO_MASK) || 3100 !(cpi->twopass.this_frame_mb_stats[mb_index] & 3101 FPMB_ERROR_SMALL_MASK)) { 3102 skip = 0; 3103 break; 3104 } 3105 } 3106 if (skip == 0) { 3107 break; 3108 } 3109 } 3110 3111 if (skip) { 3112 if (src_diff_var == UINT_MAX) { 3113 set_offsets(cpi, tile_info, x, mi_row, mi_col, bsize); 3114 src_diff_var = get_sby_perpixel_diff_variance( 3115 cpi, &x->plane[0].src, mi_row, mi_col, bsize); 3116 } 3117 if (src_diff_var < 8) { 3118 do_split = 0; 3119 do_rect = 0; 3120 } 3121 } 3122 } 3123#endif 3124 } 3125 } 3126 restore_context(x, mi_row, mi_col, a, l, sa, sl, bsize); 3127 } 3128 3129 // store estimated motion vector 3130 if (cpi->sf.adaptive_motion_search) store_pred_mv(x, ctx); 3131 3132 // If the interp_filter is marked as SWITCHABLE_FILTERS, it was for an 3133 // intra block and used for context purposes. 3134 if (ctx->mic.interp_filter == SWITCHABLE_FILTERS) { 3135 pred_interp_filter = EIGHTTAP; 3136 } else { 3137 pred_interp_filter = ctx->mic.interp_filter; 3138 } 3139 3140 // PARTITION_SPLIT 3141 // TODO(jingning): use the motion vectors given by the above search as 3142 // the starting point of motion search in the following partition type check. 3143 if (do_split) { 3144 subsize = get_subsize(bsize, PARTITION_SPLIT); 3145 if (bsize == BLOCK_8X8) { 3146 i = 4; 3147 if (cpi->sf.adaptive_pred_interp_filter && partition_none_allowed) 3148 pc_tree->leaf_split[0]->pred_interp_filter = pred_interp_filter; 3149 rd_pick_sb_modes(cpi, tile_data, x, mi_row, mi_col, &sum_rdc, subsize, 3150 pc_tree->leaf_split[0], best_rdc.rdcost); 3151 3152 if (sum_rdc.rate == INT_MAX) sum_rdc.rdcost = INT64_MAX; 3153 } else { 3154 for (i = 0; i < 4 && sum_rdc.rdcost < best_rdc.rdcost; ++i) { 3155 const int x_idx = (i & 1) * mi_step; 3156 const int y_idx = (i >> 1) * mi_step; 3157 3158 if (mi_row + y_idx >= cm->mi_rows || mi_col + x_idx >= cm->mi_cols) 3159 continue; 3160 3161 if (cpi->sf.adaptive_motion_search) load_pred_mv(x, ctx); 3162 3163 pc_tree->split[i]->index = i; 3164 rd_pick_partition(cpi, td, tile_data, tp, mi_row + y_idx, 3165 mi_col + x_idx, subsize, &this_rdc, 3166 best_rdc.rdcost - sum_rdc.rdcost, pc_tree->split[i]); 3167 3168 if (this_rdc.rate == INT_MAX) { 3169 sum_rdc.rdcost = INT64_MAX; 3170 break; 3171 } else { 3172 sum_rdc.rate += this_rdc.rate; 3173 sum_rdc.dist += this_rdc.dist; 3174 sum_rdc.rdcost += this_rdc.rdcost; 3175 } 3176 } 3177 } 3178 3179 if (sum_rdc.rdcost < best_rdc.rdcost && i == 4) { 3180 sum_rdc.rate += cpi->partition_cost[pl][PARTITION_SPLIT]; 3181 sum_rdc.rdcost = RDCOST(x->rdmult, x->rddiv, sum_rdc.rate, sum_rdc.dist); 3182 3183 if (sum_rdc.rdcost < best_rdc.rdcost) { 3184 best_rdc = sum_rdc; 3185 pc_tree->partitioning = PARTITION_SPLIT; 3186 3187 // Rate and distortion based partition search termination clause. 3188 if (!cpi->sf.ml_partition_search_early_termination && 3189 !x->e_mbd.lossless && ((best_rdc.dist < (dist_breakout_thr >> 2)) || 3190 (best_rdc.dist < dist_breakout_thr && 3191 best_rdc.rate < rate_breakout_thr))) { 3192 do_rect = 0; 3193 } 3194 } 3195 } else { 3196 // skip rectangular partition test when larger block size 3197 // gives better rd cost 3198 if ((cpi->sf.less_rectangular_check) && 3199 ((bsize > cpi->sf.use_square_only_threshold) || 3200 (best_rdc.dist < dist_breakout_thr))) 3201 do_rect &= !partition_none_allowed; 3202 } 3203 restore_context(x, mi_row, mi_col, a, l, sa, sl, bsize); 3204 } 3205 3206 // PARTITION_HORZ 3207 if (partition_horz_allowed && 3208 (do_rect || vp9_active_h_edge(cpi, mi_row, mi_step))) { 3209 subsize = get_subsize(bsize, PARTITION_HORZ); 3210 if (cpi->sf.adaptive_motion_search) load_pred_mv(x, ctx); 3211 if (cpi->sf.adaptive_pred_interp_filter && bsize == BLOCK_8X8 && 3212 partition_none_allowed) 3213 pc_tree->horizontal[0].pred_interp_filter = pred_interp_filter; 3214 rd_pick_sb_modes(cpi, tile_data, x, mi_row, mi_col, &sum_rdc, subsize, 3215 &pc_tree->horizontal[0], best_rdc.rdcost); 3216 3217 if (sum_rdc.rdcost < best_rdc.rdcost && mi_row + mi_step < cm->mi_rows && 3218 bsize > BLOCK_8X8) { 3219 PICK_MODE_CONTEXT *ctx = &pc_tree->horizontal[0]; 3220 update_state(cpi, td, ctx, mi_row, mi_col, subsize, 0); 3221 encode_superblock(cpi, td, tp, 0, mi_row, mi_col, subsize, ctx); 3222 3223 if (cpi->sf.adaptive_motion_search) load_pred_mv(x, ctx); 3224 if (cpi->sf.adaptive_pred_interp_filter && bsize == BLOCK_8X8 && 3225 partition_none_allowed) 3226 pc_tree->horizontal[1].pred_interp_filter = pred_interp_filter; 3227 rd_pick_sb_modes(cpi, tile_data, x, mi_row + mi_step, mi_col, &this_rdc, 3228 subsize, &pc_tree->horizontal[1], 3229 best_rdc.rdcost - sum_rdc.rdcost); 3230 if (this_rdc.rate == INT_MAX) { 3231 sum_rdc.rdcost = INT64_MAX; 3232 } else { 3233 sum_rdc.rate += this_rdc.rate; 3234 sum_rdc.dist += this_rdc.dist; 3235 sum_rdc.rdcost += this_rdc.rdcost; 3236 } 3237 } 3238 3239 if (sum_rdc.rdcost < best_rdc.rdcost) { 3240 sum_rdc.rate += cpi->partition_cost[pl][PARTITION_HORZ]; 3241 sum_rdc.rdcost = RDCOST(x->rdmult, x->rddiv, sum_rdc.rate, sum_rdc.dist); 3242 if (sum_rdc.rdcost < best_rdc.rdcost) { 3243 best_rdc = sum_rdc; 3244 pc_tree->partitioning = PARTITION_HORZ; 3245 3246 if ((cpi->sf.less_rectangular_check) && 3247 (bsize > cpi->sf.use_square_only_threshold)) 3248 do_rect = 0; 3249 } 3250 } 3251 restore_context(x, mi_row, mi_col, a, l, sa, sl, bsize); 3252 } 3253 3254 // PARTITION_VERT 3255 if (partition_vert_allowed && 3256 (do_rect || vp9_active_v_edge(cpi, mi_col, mi_step))) { 3257 subsize = get_subsize(bsize, PARTITION_VERT); 3258 3259 if (cpi->sf.adaptive_motion_search) load_pred_mv(x, ctx); 3260 if (cpi->sf.adaptive_pred_interp_filter && bsize == BLOCK_8X8 && 3261 partition_none_allowed) 3262 pc_tree->vertical[0].pred_interp_filter = pred_interp_filter; 3263 rd_pick_sb_modes(cpi, tile_data, x, mi_row, mi_col, &sum_rdc, subsize, 3264 &pc_tree->vertical[0], best_rdc.rdcost); 3265 if (sum_rdc.rdcost < best_rdc.rdcost && mi_col + mi_step < cm->mi_cols && 3266 bsize > BLOCK_8X8) { 3267 update_state(cpi, td, &pc_tree->vertical[0], mi_row, mi_col, subsize, 0); 3268 encode_superblock(cpi, td, tp, 0, mi_row, mi_col, subsize, 3269 &pc_tree->vertical[0]); 3270 3271 if (cpi->sf.adaptive_motion_search) load_pred_mv(x, ctx); 3272 if (cpi->sf.adaptive_pred_interp_filter && bsize == BLOCK_8X8 && 3273 partition_none_allowed) 3274 pc_tree->vertical[1].pred_interp_filter = pred_interp_filter; 3275 rd_pick_sb_modes(cpi, tile_data, x, mi_row, mi_col + mi_step, &this_rdc, 3276 subsize, &pc_tree->vertical[1], 3277 best_rdc.rdcost - sum_rdc.rdcost); 3278 if (this_rdc.rate == INT_MAX) { 3279 sum_rdc.rdcost = INT64_MAX; 3280 } else { 3281 sum_rdc.rate += this_rdc.rate; 3282 sum_rdc.dist += this_rdc.dist; 3283 sum_rdc.rdcost += this_rdc.rdcost; 3284 } 3285 } 3286 3287 if (sum_rdc.rdcost < best_rdc.rdcost) { 3288 sum_rdc.rate += cpi->partition_cost[pl][PARTITION_VERT]; 3289 sum_rdc.rdcost = RDCOST(x->rdmult, x->rddiv, sum_rdc.rate, sum_rdc.dist); 3290 if (sum_rdc.rdcost < best_rdc.rdcost) { 3291 best_rdc = sum_rdc; 3292 pc_tree->partitioning = PARTITION_VERT; 3293 } 3294 } 3295 restore_context(x, mi_row, mi_col, a, l, sa, sl, bsize); 3296 } 3297 3298 // TODO(jbb): This code added so that we avoid static analysis 3299 // warning related to the fact that best_rd isn't used after this 3300 // point. This code should be refactored so that the duplicate 3301 // checks occur in some sub function and thus are used... 3302 (void)best_rd; 3303 *rd_cost = best_rdc; 3304 3305 if (best_rdc.rate < INT_MAX && best_rdc.dist < INT64_MAX && 3306 pc_tree->index != 3) { 3307 int output_enabled = (bsize == BLOCK_64X64); 3308 encode_sb(cpi, td, tile_info, tp, mi_row, mi_col, output_enabled, bsize, 3309 pc_tree); 3310 } 3311 3312 if (bsize == BLOCK_64X64) { 3313 assert(tp_orig < *tp); 3314 assert(best_rdc.rate < INT_MAX); 3315 assert(best_rdc.dist < INT64_MAX); 3316 } else { 3317 assert(tp_orig == *tp); 3318 } 3319} 3320 3321static void encode_rd_sb_row(VP9_COMP *cpi, ThreadData *td, 3322 TileDataEnc *tile_data, int mi_row, 3323 TOKENEXTRA **tp) { 3324 VP9_COMMON *const cm = &cpi->common; 3325 TileInfo *const tile_info = &tile_data->tile_info; 3326 MACROBLOCK *const x = &td->mb; 3327 MACROBLOCKD *const xd = &x->e_mbd; 3328 SPEED_FEATURES *const sf = &cpi->sf; 3329 const int mi_col_start = tile_info->mi_col_start; 3330 const int mi_col_end = tile_info->mi_col_end; 3331 int mi_col; 3332 const int sb_row = mi_row >> MI_BLOCK_SIZE_LOG2; 3333 const int num_sb_cols = 3334 get_num_cols(tile_data->tile_info, MI_BLOCK_SIZE_LOG2); 3335 int sb_col_in_tile; 3336 3337 // Initialize the left context for the new SB row 3338 memset(&xd->left_context, 0, sizeof(xd->left_context)); 3339 memset(xd->left_seg_context, 0, sizeof(xd->left_seg_context)); 3340 3341 // Code each SB in the row 3342 for (mi_col = mi_col_start, sb_col_in_tile = 0; mi_col < mi_col_end; 3343 mi_col += MI_BLOCK_SIZE, sb_col_in_tile++) { 3344 const struct segmentation *const seg = &cm->seg; 3345 int dummy_rate; 3346 int64_t dummy_dist; 3347 RD_COST dummy_rdc; 3348 int i; 3349 int seg_skip = 0; 3350 3351 const int idx_str = cm->mi_stride * mi_row + mi_col; 3352 MODE_INFO **mi = cm->mi_grid_visible + idx_str; 3353 3354 (*(cpi->row_mt_sync_read_ptr))(&tile_data->row_mt_sync, sb_row, 3355 sb_col_in_tile); 3356 3357 if (sf->adaptive_pred_interp_filter) { 3358 for (i = 0; i < 64; ++i) td->leaf_tree[i].pred_interp_filter = SWITCHABLE; 3359 3360 for (i = 0; i < 64; ++i) { 3361 td->pc_tree[i].vertical[0].pred_interp_filter = SWITCHABLE; 3362 td->pc_tree[i].vertical[1].pred_interp_filter = SWITCHABLE; 3363 td->pc_tree[i].horizontal[0].pred_interp_filter = SWITCHABLE; 3364 td->pc_tree[i].horizontal[1].pred_interp_filter = SWITCHABLE; 3365 } 3366 } 3367 3368 vp9_zero(x->pred_mv); 3369 td->pc_root->index = 0; 3370 3371 if (seg->enabled) { 3372 const uint8_t *const map = 3373 seg->update_map ? cpi->segmentation_map : cm->last_frame_seg_map; 3374 int segment_id = get_segment_id(cm, map, BLOCK_64X64, mi_row, mi_col); 3375 seg_skip = segfeature_active(seg, segment_id, SEG_LVL_SKIP); 3376 } 3377 3378 x->source_variance = UINT_MAX; 3379 if (sf->partition_search_type == FIXED_PARTITION || seg_skip) { 3380 const BLOCK_SIZE bsize = 3381 seg_skip ? BLOCK_64X64 : sf->always_this_block_size; 3382 set_offsets(cpi, tile_info, x, mi_row, mi_col, BLOCK_64X64); 3383 set_fixed_partitioning(cpi, tile_info, mi, mi_row, mi_col, bsize); 3384 rd_use_partition(cpi, td, tile_data, mi, tp, mi_row, mi_col, BLOCK_64X64, 3385 &dummy_rate, &dummy_dist, 1, td->pc_root); 3386 } else if (cpi->partition_search_skippable_frame) { 3387 BLOCK_SIZE bsize; 3388 set_offsets(cpi, tile_info, x, mi_row, mi_col, BLOCK_64X64); 3389 bsize = get_rd_var_based_fixed_partition(cpi, x, mi_row, mi_col); 3390 set_fixed_partitioning(cpi, tile_info, mi, mi_row, mi_col, bsize); 3391 rd_use_partition(cpi, td, tile_data, mi, tp, mi_row, mi_col, BLOCK_64X64, 3392 &dummy_rate, &dummy_dist, 1, td->pc_root); 3393 } else if (sf->partition_search_type == VAR_BASED_PARTITION && 3394 cm->frame_type != KEY_FRAME) { 3395 choose_partitioning(cpi, tile_info, x, mi_row, mi_col); 3396 rd_use_partition(cpi, td, tile_data, mi, tp, mi_row, mi_col, BLOCK_64X64, 3397 &dummy_rate, &dummy_dist, 1, td->pc_root); 3398 } else { 3399 // If required set upper and lower partition size limits 3400 if (sf->auto_min_max_partition_size) { 3401 set_offsets(cpi, tile_info, x, mi_row, mi_col, BLOCK_64X64); 3402 rd_auto_partition_range(cpi, tile_info, xd, mi_row, mi_col, 3403 &x->min_partition_size, &x->max_partition_size); 3404 } 3405 rd_pick_partition(cpi, td, tile_data, tp, mi_row, mi_col, BLOCK_64X64, 3406 &dummy_rdc, INT64_MAX, td->pc_root); 3407 } 3408 (*(cpi->row_mt_sync_write_ptr))(&tile_data->row_mt_sync, sb_row, 3409 sb_col_in_tile, num_sb_cols); 3410 } 3411} 3412 3413static void init_encode_frame_mb_context(VP9_COMP *cpi) { 3414 MACROBLOCK *const x = &cpi->td.mb; 3415 VP9_COMMON *const cm = &cpi->common; 3416 MACROBLOCKD *const xd = &x->e_mbd; 3417 const int aligned_mi_cols = mi_cols_aligned_to_sb(cm->mi_cols); 3418 3419 // Copy data over into macro block data structures. 3420 vp9_setup_src_planes(x, cpi->Source, 0, 0); 3421 3422 vp9_setup_block_planes(&x->e_mbd, cm->subsampling_x, cm->subsampling_y); 3423 3424 // Note: this memset assumes above_context[0], [1] and [2] 3425 // are allocated as part of the same buffer. 3426 memset(xd->above_context[0], 0, 3427 sizeof(*xd->above_context[0]) * 2 * aligned_mi_cols * MAX_MB_PLANE); 3428 memset(xd->above_seg_context, 0, 3429 sizeof(*xd->above_seg_context) * aligned_mi_cols); 3430} 3431 3432static int check_dual_ref_flags(VP9_COMP *cpi) { 3433 const int ref_flags = cpi->ref_frame_flags; 3434 3435 if (segfeature_active(&cpi->common.seg, 1, SEG_LVL_REF_FRAME)) { 3436 return 0; 3437 } else { 3438 return (!!(ref_flags & VP9_GOLD_FLAG) + !!(ref_flags & VP9_LAST_FLAG) + 3439 !!(ref_flags & VP9_ALT_FLAG)) >= 2; 3440 } 3441} 3442 3443static void reset_skip_tx_size(VP9_COMMON *cm, TX_SIZE max_tx_size) { 3444 int mi_row, mi_col; 3445 const int mis = cm->mi_stride; 3446 MODE_INFO **mi_ptr = cm->mi_grid_visible; 3447 3448 for (mi_row = 0; mi_row < cm->mi_rows; ++mi_row, mi_ptr += mis) { 3449 for (mi_col = 0; mi_col < cm->mi_cols; ++mi_col) { 3450 if (mi_ptr[mi_col]->tx_size > max_tx_size) 3451 mi_ptr[mi_col]->tx_size = max_tx_size; 3452 } 3453 } 3454} 3455 3456static MV_REFERENCE_FRAME get_frame_type(const VP9_COMP *cpi) { 3457 if (frame_is_intra_only(&cpi->common)) 3458 return INTRA_FRAME; 3459 else if (cpi->rc.is_src_frame_alt_ref && cpi->refresh_golden_frame) 3460 return ALTREF_FRAME; 3461 else if (cpi->refresh_golden_frame || cpi->refresh_alt_ref_frame) 3462 return GOLDEN_FRAME; 3463 else 3464 return LAST_FRAME; 3465} 3466 3467static TX_MODE select_tx_mode(const VP9_COMP *cpi, MACROBLOCKD *const xd) { 3468 if (xd->lossless) return ONLY_4X4; 3469 if (cpi->common.frame_type == KEY_FRAME && cpi->sf.use_nonrd_pick_mode) 3470 return ALLOW_16X16; 3471 if (cpi->sf.tx_size_search_method == USE_LARGESTALL) 3472 return ALLOW_32X32; 3473 else if (cpi->sf.tx_size_search_method == USE_FULL_RD || 3474 cpi->sf.tx_size_search_method == USE_TX_8X8) 3475 return TX_MODE_SELECT; 3476 else 3477 return cpi->common.tx_mode; 3478} 3479 3480static void hybrid_intra_mode_search(VP9_COMP *cpi, MACROBLOCK *const x, 3481 RD_COST *rd_cost, BLOCK_SIZE bsize, 3482 PICK_MODE_CONTEXT *ctx) { 3483 if (bsize < BLOCK_16X16) 3484 vp9_rd_pick_intra_mode_sb(cpi, x, rd_cost, bsize, ctx, INT64_MAX); 3485 else 3486 vp9_pick_intra_mode(cpi, x, rd_cost, bsize, ctx); 3487} 3488 3489static void nonrd_pick_sb_modes(VP9_COMP *cpi, TileDataEnc *tile_data, 3490 MACROBLOCK *const x, int mi_row, int mi_col, 3491 RD_COST *rd_cost, BLOCK_SIZE bsize, 3492 PICK_MODE_CONTEXT *ctx) { 3493 VP9_COMMON *const cm = &cpi->common; 3494 TileInfo *const tile_info = &tile_data->tile_info; 3495 MACROBLOCKD *const xd = &x->e_mbd; 3496 MODE_INFO *mi; 3497 ENTROPY_CONTEXT l[16 * MAX_MB_PLANE], a[16 * MAX_MB_PLANE]; 3498 BLOCK_SIZE bs = VPXMAX(bsize, BLOCK_8X8); // processing unit block size 3499 const int num_4x4_blocks_wide = num_4x4_blocks_wide_lookup[bs]; 3500 const int num_4x4_blocks_high = num_4x4_blocks_high_lookup[bs]; 3501 int plane; 3502 3503 set_offsets(cpi, tile_info, x, mi_row, mi_col, bsize); 3504 mi = xd->mi[0]; 3505 mi->sb_type = bsize; 3506 3507 for (plane = 0; plane < MAX_MB_PLANE; ++plane) { 3508 struct macroblockd_plane *pd = &xd->plane[plane]; 3509 memcpy(a + num_4x4_blocks_wide * plane, pd->above_context, 3510 (sizeof(a[0]) * num_4x4_blocks_wide) >> pd->subsampling_x); 3511 memcpy(l + num_4x4_blocks_high * plane, pd->left_context, 3512 (sizeof(l[0]) * num_4x4_blocks_high) >> pd->subsampling_y); 3513 } 3514 3515 if (cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ && cm->seg.enabled) 3516 if (cyclic_refresh_segment_id_boosted(mi->segment_id)) 3517 x->rdmult = vp9_cyclic_refresh_get_rdmult(cpi->cyclic_refresh); 3518 3519 if (cm->frame_type == KEY_FRAME) 3520 hybrid_intra_mode_search(cpi, x, rd_cost, bsize, ctx); 3521 else if (segfeature_active(&cm->seg, mi->segment_id, SEG_LVL_SKIP)) 3522 set_mode_info_seg_skip(x, cm->tx_mode, rd_cost, bsize); 3523 else if (bsize >= BLOCK_8X8) 3524 vp9_pick_inter_mode(cpi, x, tile_data, mi_row, mi_col, rd_cost, bsize, ctx); 3525 else 3526 vp9_pick_inter_mode_sub8x8(cpi, x, mi_row, mi_col, rd_cost, bsize, ctx); 3527 3528 duplicate_mode_info_in_sb(cm, xd, mi_row, mi_col, bsize); 3529 3530 for (plane = 0; plane < MAX_MB_PLANE; ++plane) { 3531 struct macroblockd_plane *pd = &xd->plane[plane]; 3532 memcpy(pd->above_context, a + num_4x4_blocks_wide * plane, 3533 (sizeof(a[0]) * num_4x4_blocks_wide) >> pd->subsampling_x); 3534 memcpy(pd->left_context, l + num_4x4_blocks_high * plane, 3535 (sizeof(l[0]) * num_4x4_blocks_high) >> pd->subsampling_y); 3536 } 3537 3538 if (rd_cost->rate == INT_MAX) vp9_rd_cost_reset(rd_cost); 3539 3540 ctx->rate = rd_cost->rate; 3541 ctx->dist = rd_cost->dist; 3542} 3543 3544static void fill_mode_info_sb(VP9_COMMON *cm, MACROBLOCK *x, int mi_row, 3545 int mi_col, BLOCK_SIZE bsize, PC_TREE *pc_tree) { 3546 MACROBLOCKD *xd = &x->e_mbd; 3547 int bsl = b_width_log2_lookup[bsize], hbs = (1 << bsl) / 4; 3548 PARTITION_TYPE partition = pc_tree->partitioning; 3549 BLOCK_SIZE subsize = get_subsize(bsize, partition); 3550 3551 assert(bsize >= BLOCK_8X8); 3552 3553 if (mi_row >= cm->mi_rows || mi_col >= cm->mi_cols) return; 3554 3555 switch (partition) { 3556 case PARTITION_NONE: 3557 set_mode_info_offsets(cm, x, xd, mi_row, mi_col); 3558 *(xd->mi[0]) = pc_tree->none.mic; 3559 *(x->mbmi_ext) = pc_tree->none.mbmi_ext; 3560 duplicate_mode_info_in_sb(cm, xd, mi_row, mi_col, bsize); 3561 break; 3562 case PARTITION_VERT: 3563 set_mode_info_offsets(cm, x, xd, mi_row, mi_col); 3564 *(xd->mi[0]) = pc_tree->vertical[0].mic; 3565 *(x->mbmi_ext) = pc_tree->vertical[0].mbmi_ext; 3566 duplicate_mode_info_in_sb(cm, xd, mi_row, mi_col, subsize); 3567 3568 if (mi_col + hbs < cm->mi_cols) { 3569 set_mode_info_offsets(cm, x, xd, mi_row, mi_col + hbs); 3570 *(xd->mi[0]) = pc_tree->vertical[1].mic; 3571 *(x->mbmi_ext) = pc_tree->vertical[1].mbmi_ext; 3572 duplicate_mode_info_in_sb(cm, xd, mi_row, mi_col + hbs, subsize); 3573 } 3574 break; 3575 case PARTITION_HORZ: 3576 set_mode_info_offsets(cm, x, xd, mi_row, mi_col); 3577 *(xd->mi[0]) = pc_tree->horizontal[0].mic; 3578 *(x->mbmi_ext) = pc_tree->horizontal[0].mbmi_ext; 3579 duplicate_mode_info_in_sb(cm, xd, mi_row, mi_col, subsize); 3580 if (mi_row + hbs < cm->mi_rows) { 3581 set_mode_info_offsets(cm, x, xd, mi_row + hbs, mi_col); 3582 *(xd->mi[0]) = pc_tree->horizontal[1].mic; 3583 *(x->mbmi_ext) = pc_tree->horizontal[1].mbmi_ext; 3584 duplicate_mode_info_in_sb(cm, xd, mi_row + hbs, mi_col, subsize); 3585 } 3586 break; 3587 case PARTITION_SPLIT: { 3588 fill_mode_info_sb(cm, x, mi_row, mi_col, subsize, pc_tree->split[0]); 3589 fill_mode_info_sb(cm, x, mi_row, mi_col + hbs, subsize, 3590 pc_tree->split[1]); 3591 fill_mode_info_sb(cm, x, mi_row + hbs, mi_col, subsize, 3592 pc_tree->split[2]); 3593 fill_mode_info_sb(cm, x, mi_row + hbs, mi_col + hbs, subsize, 3594 pc_tree->split[3]); 3595 break; 3596 } 3597 default: break; 3598 } 3599} 3600 3601// Reset the prediction pixel ready flag recursively. 3602static void pred_pixel_ready_reset(PC_TREE *pc_tree, BLOCK_SIZE bsize) { 3603 pc_tree->none.pred_pixel_ready = 0; 3604 pc_tree->horizontal[0].pred_pixel_ready = 0; 3605 pc_tree->horizontal[1].pred_pixel_ready = 0; 3606 pc_tree->vertical[0].pred_pixel_ready = 0; 3607 pc_tree->vertical[1].pred_pixel_ready = 0; 3608 3609 if (bsize > BLOCK_8X8) { 3610 BLOCK_SIZE subsize = get_subsize(bsize, PARTITION_SPLIT); 3611 int i; 3612 for (i = 0; i < 4; ++i) pred_pixel_ready_reset(pc_tree->split[i], subsize); 3613 } 3614} 3615 3616static void nonrd_pick_partition(VP9_COMP *cpi, ThreadData *td, 3617 TileDataEnc *tile_data, TOKENEXTRA **tp, 3618 int mi_row, int mi_col, BLOCK_SIZE bsize, 3619 RD_COST *rd_cost, int do_recon, 3620 int64_t best_rd, PC_TREE *pc_tree) { 3621 const SPEED_FEATURES *const sf = &cpi->sf; 3622 VP9_COMMON *const cm = &cpi->common; 3623 TileInfo *const tile_info = &tile_data->tile_info; 3624 MACROBLOCK *const x = &td->mb; 3625 MACROBLOCKD *const xd = &x->e_mbd; 3626 const int ms = num_8x8_blocks_wide_lookup[bsize] / 2; 3627 TOKENEXTRA *tp_orig = *tp; 3628 PICK_MODE_CONTEXT *ctx = &pc_tree->none; 3629 int i; 3630 BLOCK_SIZE subsize = bsize; 3631 RD_COST this_rdc, sum_rdc, best_rdc; 3632 int do_split = bsize >= BLOCK_8X8; 3633 int do_rect = 1; 3634 // Override skipping rectangular partition operations for edge blocks 3635 const int force_horz_split = (mi_row + ms >= cm->mi_rows); 3636 const int force_vert_split = (mi_col + ms >= cm->mi_cols); 3637 const int xss = x->e_mbd.plane[1].subsampling_x; 3638 const int yss = x->e_mbd.plane[1].subsampling_y; 3639 3640 int partition_none_allowed = !force_horz_split && !force_vert_split; 3641 int partition_horz_allowed = 3642 !force_vert_split && yss <= xss && bsize >= BLOCK_8X8; 3643 int partition_vert_allowed = 3644 !force_horz_split && xss <= yss && bsize >= BLOCK_8X8; 3645 (void)*tp_orig; 3646 3647 assert(num_8x8_blocks_wide_lookup[bsize] == 3648 num_8x8_blocks_high_lookup[bsize]); 3649 3650 vp9_rd_cost_init(&sum_rdc); 3651 vp9_rd_cost_reset(&best_rdc); 3652 best_rdc.rdcost = best_rd; 3653 3654 // Determine partition types in search according to the speed features. 3655 // The threshold set here has to be of square block size. 3656 if (sf->auto_min_max_partition_size) { 3657 partition_none_allowed &= 3658 (bsize <= x->max_partition_size && bsize >= x->min_partition_size); 3659 partition_horz_allowed &= 3660 ((bsize <= x->max_partition_size && bsize > x->min_partition_size) || 3661 force_horz_split); 3662 partition_vert_allowed &= 3663 ((bsize <= x->max_partition_size && bsize > x->min_partition_size) || 3664 force_vert_split); 3665 do_split &= bsize > x->min_partition_size; 3666 } 3667 if (sf->use_square_partition_only) { 3668 partition_horz_allowed &= force_horz_split; 3669 partition_vert_allowed &= force_vert_split; 3670 } 3671 3672 ctx->pred_pixel_ready = 3673 !(partition_vert_allowed || partition_horz_allowed || do_split); 3674 3675 // PARTITION_NONE 3676 if (partition_none_allowed) { 3677 nonrd_pick_sb_modes(cpi, tile_data, x, mi_row, mi_col, &this_rdc, bsize, 3678 ctx); 3679 ctx->mic = *xd->mi[0]; 3680 ctx->mbmi_ext = *x->mbmi_ext; 3681 ctx->skip_txfm[0] = x->skip_txfm[0]; 3682 ctx->skip = x->skip; 3683 3684 if (this_rdc.rate != INT_MAX) { 3685 int pl = partition_plane_context(xd, mi_row, mi_col, bsize); 3686 this_rdc.rate += cpi->partition_cost[pl][PARTITION_NONE]; 3687 this_rdc.rdcost = 3688 RDCOST(x->rdmult, x->rddiv, this_rdc.rate, this_rdc.dist); 3689 if (this_rdc.rdcost < best_rdc.rdcost) { 3690 int64_t dist_breakout_thr = sf->partition_search_breakout_thr.dist; 3691 int64_t rate_breakout_thr = sf->partition_search_breakout_thr.rate; 3692 3693 dist_breakout_thr >>= 3694 8 - (b_width_log2_lookup[bsize] + b_height_log2_lookup[bsize]); 3695 3696 rate_breakout_thr *= num_pels_log2_lookup[bsize]; 3697 3698 best_rdc = this_rdc; 3699 if (bsize >= BLOCK_8X8) pc_tree->partitioning = PARTITION_NONE; 3700 3701 if (!x->e_mbd.lossless && this_rdc.rate < rate_breakout_thr && 3702 this_rdc.dist < dist_breakout_thr) { 3703 do_split = 0; 3704 do_rect = 0; 3705 } 3706 } 3707 } 3708 } 3709 3710 // store estimated motion vector 3711 store_pred_mv(x, ctx); 3712 3713 // PARTITION_SPLIT 3714 if (do_split) { 3715 int pl = partition_plane_context(xd, mi_row, mi_col, bsize); 3716 sum_rdc.rate += cpi->partition_cost[pl][PARTITION_SPLIT]; 3717 sum_rdc.rdcost = RDCOST(x->rdmult, x->rddiv, sum_rdc.rate, sum_rdc.dist); 3718 subsize = get_subsize(bsize, PARTITION_SPLIT); 3719 for (i = 0; i < 4 && sum_rdc.rdcost < best_rdc.rdcost; ++i) { 3720 const int x_idx = (i & 1) * ms; 3721 const int y_idx = (i >> 1) * ms; 3722 3723 if (mi_row + y_idx >= cm->mi_rows || mi_col + x_idx >= cm->mi_cols) 3724 continue; 3725 load_pred_mv(x, ctx); 3726 nonrd_pick_partition(cpi, td, tile_data, tp, mi_row + y_idx, 3727 mi_col + x_idx, subsize, &this_rdc, 0, 3728 best_rdc.rdcost - sum_rdc.rdcost, pc_tree->split[i]); 3729 3730 if (this_rdc.rate == INT_MAX) { 3731 vp9_rd_cost_reset(&sum_rdc); 3732 } else { 3733 sum_rdc.rate += this_rdc.rate; 3734 sum_rdc.dist += this_rdc.dist; 3735 sum_rdc.rdcost += this_rdc.rdcost; 3736 } 3737 } 3738 3739 if (sum_rdc.rdcost < best_rdc.rdcost) { 3740 best_rdc = sum_rdc; 3741 pc_tree->partitioning = PARTITION_SPLIT; 3742 } else { 3743 // skip rectangular partition test when larger block size 3744 // gives better rd cost 3745 if (sf->less_rectangular_check) do_rect &= !partition_none_allowed; 3746 } 3747 } 3748 3749 // PARTITION_HORZ 3750 if (partition_horz_allowed && do_rect) { 3751 subsize = get_subsize(bsize, PARTITION_HORZ); 3752 if (sf->adaptive_motion_search) load_pred_mv(x, ctx); 3753 pc_tree->horizontal[0].pred_pixel_ready = 1; 3754 nonrd_pick_sb_modes(cpi, tile_data, x, mi_row, mi_col, &sum_rdc, subsize, 3755 &pc_tree->horizontal[0]); 3756 3757 pc_tree->horizontal[0].mic = *xd->mi[0]; 3758 pc_tree->horizontal[0].mbmi_ext = *x->mbmi_ext; 3759 pc_tree->horizontal[0].skip_txfm[0] = x->skip_txfm[0]; 3760 pc_tree->horizontal[0].skip = x->skip; 3761 3762 if (sum_rdc.rdcost < best_rdc.rdcost && mi_row + ms < cm->mi_rows) { 3763 load_pred_mv(x, ctx); 3764 pc_tree->horizontal[1].pred_pixel_ready = 1; 3765 nonrd_pick_sb_modes(cpi, tile_data, x, mi_row + ms, mi_col, &this_rdc, 3766 subsize, &pc_tree->horizontal[1]); 3767 3768 pc_tree->horizontal[1].mic = *xd->mi[0]; 3769 pc_tree->horizontal[1].mbmi_ext = *x->mbmi_ext; 3770 pc_tree->horizontal[1].skip_txfm[0] = x->skip_txfm[0]; 3771 pc_tree->horizontal[1].skip = x->skip; 3772 3773 if (this_rdc.rate == INT_MAX) { 3774 vp9_rd_cost_reset(&sum_rdc); 3775 } else { 3776 int pl = partition_plane_context(xd, mi_row, mi_col, bsize); 3777 this_rdc.rate += cpi->partition_cost[pl][PARTITION_HORZ]; 3778 sum_rdc.rate += this_rdc.rate; 3779 sum_rdc.dist += this_rdc.dist; 3780 sum_rdc.rdcost = 3781 RDCOST(x->rdmult, x->rddiv, sum_rdc.rate, sum_rdc.dist); 3782 } 3783 } 3784 3785 if (sum_rdc.rdcost < best_rdc.rdcost) { 3786 best_rdc = sum_rdc; 3787 pc_tree->partitioning = PARTITION_HORZ; 3788 } else { 3789 pred_pixel_ready_reset(pc_tree, bsize); 3790 } 3791 } 3792 3793 // PARTITION_VERT 3794 if (partition_vert_allowed && do_rect) { 3795 subsize = get_subsize(bsize, PARTITION_VERT); 3796 if (sf->adaptive_motion_search) load_pred_mv(x, ctx); 3797 pc_tree->vertical[0].pred_pixel_ready = 1; 3798 nonrd_pick_sb_modes(cpi, tile_data, x, mi_row, mi_col, &sum_rdc, subsize, 3799 &pc_tree->vertical[0]); 3800 pc_tree->vertical[0].mic = *xd->mi[0]; 3801 pc_tree->vertical[0].mbmi_ext = *x->mbmi_ext; 3802 pc_tree->vertical[0].skip_txfm[0] = x->skip_txfm[0]; 3803 pc_tree->vertical[0].skip = x->skip; 3804 3805 if (sum_rdc.rdcost < best_rdc.rdcost && mi_col + ms < cm->mi_cols) { 3806 load_pred_mv(x, ctx); 3807 pc_tree->vertical[1].pred_pixel_ready = 1; 3808 nonrd_pick_sb_modes(cpi, tile_data, x, mi_row, mi_col + ms, &this_rdc, 3809 subsize, &pc_tree->vertical[1]); 3810 pc_tree->vertical[1].mic = *xd->mi[0]; 3811 pc_tree->vertical[1].mbmi_ext = *x->mbmi_ext; 3812 pc_tree->vertical[1].skip_txfm[0] = x->skip_txfm[0]; 3813 pc_tree->vertical[1].skip = x->skip; 3814 3815 if (this_rdc.rate == INT_MAX) { 3816 vp9_rd_cost_reset(&sum_rdc); 3817 } else { 3818 int pl = partition_plane_context(xd, mi_row, mi_col, bsize); 3819 sum_rdc.rate += cpi->partition_cost[pl][PARTITION_VERT]; 3820 sum_rdc.rate += this_rdc.rate; 3821 sum_rdc.dist += this_rdc.dist; 3822 sum_rdc.rdcost = 3823 RDCOST(x->rdmult, x->rddiv, sum_rdc.rate, sum_rdc.dist); 3824 } 3825 } 3826 3827 if (sum_rdc.rdcost < best_rdc.rdcost) { 3828 best_rdc = sum_rdc; 3829 pc_tree->partitioning = PARTITION_VERT; 3830 } else { 3831 pred_pixel_ready_reset(pc_tree, bsize); 3832 } 3833 } 3834 3835 *rd_cost = best_rdc; 3836 3837 if (best_rdc.rate == INT_MAX) { 3838 vp9_rd_cost_reset(rd_cost); 3839 return; 3840 } 3841 3842 // update mode info array 3843 fill_mode_info_sb(cm, x, mi_row, mi_col, bsize, pc_tree); 3844 3845 if (best_rdc.rate < INT_MAX && best_rdc.dist < INT64_MAX && do_recon) { 3846 int output_enabled = (bsize == BLOCK_64X64); 3847 encode_sb_rt(cpi, td, tile_info, tp, mi_row, mi_col, output_enabled, bsize, 3848 pc_tree); 3849 } 3850 3851 if (bsize == BLOCK_64X64 && do_recon) { 3852 assert(tp_orig < *tp); 3853 assert(best_rdc.rate < INT_MAX); 3854 assert(best_rdc.dist < INT64_MAX); 3855 } else { 3856 assert(tp_orig == *tp); 3857 } 3858} 3859 3860static void nonrd_select_partition(VP9_COMP *cpi, ThreadData *td, 3861 TileDataEnc *tile_data, MODE_INFO **mi, 3862 TOKENEXTRA **tp, int mi_row, int mi_col, 3863 BLOCK_SIZE bsize, int output_enabled, 3864 RD_COST *rd_cost, PC_TREE *pc_tree) { 3865 VP9_COMMON *const cm = &cpi->common; 3866 TileInfo *const tile_info = &tile_data->tile_info; 3867 MACROBLOCK *const x = &td->mb; 3868 MACROBLOCKD *const xd = &x->e_mbd; 3869 const int bsl = b_width_log2_lookup[bsize], hbs = (1 << bsl) / 4; 3870 const int mis = cm->mi_stride; 3871 PARTITION_TYPE partition; 3872 BLOCK_SIZE subsize; 3873 RD_COST this_rdc; 3874 3875 vp9_rd_cost_reset(&this_rdc); 3876 if (mi_row >= cm->mi_rows || mi_col >= cm->mi_cols) return; 3877 3878 subsize = (bsize >= BLOCK_8X8) ? mi[0]->sb_type : BLOCK_4X4; 3879 partition = partition_lookup[bsl][subsize]; 3880 3881 if (bsize == BLOCK_32X32 && subsize == BLOCK_32X32) { 3882 x->max_partition_size = BLOCK_32X32; 3883 x->min_partition_size = BLOCK_16X16; 3884 nonrd_pick_partition(cpi, td, tile_data, tp, mi_row, mi_col, bsize, rd_cost, 3885 0, INT64_MAX, pc_tree); 3886 } else if (bsize == BLOCK_32X32 && partition != PARTITION_NONE && 3887 subsize >= BLOCK_16X16) { 3888 x->max_partition_size = BLOCK_32X32; 3889 x->min_partition_size = BLOCK_8X8; 3890 nonrd_pick_partition(cpi, td, tile_data, tp, mi_row, mi_col, bsize, rd_cost, 3891 0, INT64_MAX, pc_tree); 3892 } else if (bsize == BLOCK_16X16 && partition != PARTITION_NONE) { 3893 x->max_partition_size = BLOCK_16X16; 3894 x->min_partition_size = BLOCK_8X8; 3895 nonrd_pick_partition(cpi, td, tile_data, tp, mi_row, mi_col, bsize, rd_cost, 3896 0, INT64_MAX, pc_tree); 3897 } else { 3898 switch (partition) { 3899 case PARTITION_NONE: 3900 pc_tree->none.pred_pixel_ready = 1; 3901 nonrd_pick_sb_modes(cpi, tile_data, x, mi_row, mi_col, rd_cost, subsize, 3902 &pc_tree->none); 3903 pc_tree->none.mic = *xd->mi[0]; 3904 pc_tree->none.mbmi_ext = *x->mbmi_ext; 3905 pc_tree->none.skip_txfm[0] = x->skip_txfm[0]; 3906 pc_tree->none.skip = x->skip; 3907 break; 3908 case PARTITION_VERT: 3909 pc_tree->vertical[0].pred_pixel_ready = 1; 3910 nonrd_pick_sb_modes(cpi, tile_data, x, mi_row, mi_col, rd_cost, subsize, 3911 &pc_tree->vertical[0]); 3912 pc_tree->vertical[0].mic = *xd->mi[0]; 3913 pc_tree->vertical[0].mbmi_ext = *x->mbmi_ext; 3914 pc_tree->vertical[0].skip_txfm[0] = x->skip_txfm[0]; 3915 pc_tree->vertical[0].skip = x->skip; 3916 if (mi_col + hbs < cm->mi_cols) { 3917 pc_tree->vertical[1].pred_pixel_ready = 1; 3918 nonrd_pick_sb_modes(cpi, tile_data, x, mi_row, mi_col + hbs, 3919 &this_rdc, subsize, &pc_tree->vertical[1]); 3920 pc_tree->vertical[1].mic = *xd->mi[0]; 3921 pc_tree->vertical[1].mbmi_ext = *x->mbmi_ext; 3922 pc_tree->vertical[1].skip_txfm[0] = x->skip_txfm[0]; 3923 pc_tree->vertical[1].skip = x->skip; 3924 if (this_rdc.rate != INT_MAX && this_rdc.dist != INT64_MAX && 3925 rd_cost->rate != INT_MAX && rd_cost->dist != INT64_MAX) { 3926 rd_cost->rate += this_rdc.rate; 3927 rd_cost->dist += this_rdc.dist; 3928 } 3929 } 3930 break; 3931 case PARTITION_HORZ: 3932 pc_tree->horizontal[0].pred_pixel_ready = 1; 3933 nonrd_pick_sb_modes(cpi, tile_data, x, mi_row, mi_col, rd_cost, subsize, 3934 &pc_tree->horizontal[0]); 3935 pc_tree->horizontal[0].mic = *xd->mi[0]; 3936 pc_tree->horizontal[0].mbmi_ext = *x->mbmi_ext; 3937 pc_tree->horizontal[0].skip_txfm[0] = x->skip_txfm[0]; 3938 pc_tree->horizontal[0].skip = x->skip; 3939 if (mi_row + hbs < cm->mi_rows) { 3940 pc_tree->horizontal[1].pred_pixel_ready = 1; 3941 nonrd_pick_sb_modes(cpi, tile_data, x, mi_row + hbs, mi_col, 3942 &this_rdc, subsize, &pc_tree->horizontal[1]); 3943 pc_tree->horizontal[1].mic = *xd->mi[0]; 3944 pc_tree->horizontal[1].mbmi_ext = *x->mbmi_ext; 3945 pc_tree->horizontal[1].skip_txfm[0] = x->skip_txfm[0]; 3946 pc_tree->horizontal[1].skip = x->skip; 3947 if (this_rdc.rate != INT_MAX && this_rdc.dist != INT64_MAX && 3948 rd_cost->rate != INT_MAX && rd_cost->dist != INT64_MAX) { 3949 rd_cost->rate += this_rdc.rate; 3950 rd_cost->dist += this_rdc.dist; 3951 } 3952 } 3953 break; 3954 case PARTITION_SPLIT: 3955 subsize = get_subsize(bsize, PARTITION_SPLIT); 3956 nonrd_select_partition(cpi, td, tile_data, mi, tp, mi_row, mi_col, 3957 subsize, output_enabled, rd_cost, 3958 pc_tree->split[0]); 3959 nonrd_select_partition(cpi, td, tile_data, mi + hbs, tp, mi_row, 3960 mi_col + hbs, subsize, output_enabled, &this_rdc, 3961 pc_tree->split[1]); 3962 if (this_rdc.rate != INT_MAX && this_rdc.dist != INT64_MAX && 3963 rd_cost->rate != INT_MAX && rd_cost->dist != INT64_MAX) { 3964 rd_cost->rate += this_rdc.rate; 3965 rd_cost->dist += this_rdc.dist; 3966 } 3967 nonrd_select_partition(cpi, td, tile_data, mi + hbs * mis, tp, 3968 mi_row + hbs, mi_col, subsize, output_enabled, 3969 &this_rdc, pc_tree->split[2]); 3970 if (this_rdc.rate != INT_MAX && this_rdc.dist != INT64_MAX && 3971 rd_cost->rate != INT_MAX && rd_cost->dist != INT64_MAX) { 3972 rd_cost->rate += this_rdc.rate; 3973 rd_cost->dist += this_rdc.dist; 3974 } 3975 nonrd_select_partition(cpi, td, tile_data, mi + hbs * mis + hbs, tp, 3976 mi_row + hbs, mi_col + hbs, subsize, 3977 output_enabled, &this_rdc, pc_tree->split[3]); 3978 if (this_rdc.rate != INT_MAX && this_rdc.dist != INT64_MAX && 3979 rd_cost->rate != INT_MAX && rd_cost->dist != INT64_MAX) { 3980 rd_cost->rate += this_rdc.rate; 3981 rd_cost->dist += this_rdc.dist; 3982 } 3983 break; 3984 default: assert(0 && "Invalid partition type."); break; 3985 } 3986 } 3987 3988 if (bsize == BLOCK_64X64 && output_enabled) 3989 encode_sb_rt(cpi, td, tile_info, tp, mi_row, mi_col, 1, bsize, pc_tree); 3990} 3991 3992static void nonrd_use_partition(VP9_COMP *cpi, ThreadData *td, 3993 TileDataEnc *tile_data, MODE_INFO **mi, 3994 TOKENEXTRA **tp, int mi_row, int mi_col, 3995 BLOCK_SIZE bsize, int output_enabled, 3996 RD_COST *dummy_cost, PC_TREE *pc_tree) { 3997 VP9_COMMON *const cm = &cpi->common; 3998 TileInfo *tile_info = &tile_data->tile_info; 3999 MACROBLOCK *const x = &td->mb; 4000 MACROBLOCKD *const xd = &x->e_mbd; 4001 const int bsl = b_width_log2_lookup[bsize], hbs = (1 << bsl) / 4; 4002 const int mis = cm->mi_stride; 4003 PARTITION_TYPE partition; 4004 BLOCK_SIZE subsize; 4005 4006 if (mi_row >= cm->mi_rows || mi_col >= cm->mi_cols) return; 4007 4008 subsize = (bsize >= BLOCK_8X8) ? mi[0]->sb_type : BLOCK_4X4; 4009 partition = partition_lookup[bsl][subsize]; 4010 4011 if (output_enabled && bsize != BLOCK_4X4) { 4012 int ctx = partition_plane_context(xd, mi_row, mi_col, bsize); 4013 td->counts->partition[ctx][partition]++; 4014 } 4015 4016 switch (partition) { 4017 case PARTITION_NONE: 4018 pc_tree->none.pred_pixel_ready = 1; 4019 nonrd_pick_sb_modes(cpi, tile_data, x, mi_row, mi_col, dummy_cost, 4020 subsize, &pc_tree->none); 4021 pc_tree->none.mic = *xd->mi[0]; 4022 pc_tree->none.mbmi_ext = *x->mbmi_ext; 4023 pc_tree->none.skip_txfm[0] = x->skip_txfm[0]; 4024 pc_tree->none.skip = x->skip; 4025 encode_b_rt(cpi, td, tile_info, tp, mi_row, mi_col, output_enabled, 4026 subsize, &pc_tree->none); 4027 break; 4028 case PARTITION_VERT: 4029 pc_tree->vertical[0].pred_pixel_ready = 1; 4030 nonrd_pick_sb_modes(cpi, tile_data, x, mi_row, mi_col, dummy_cost, 4031 subsize, &pc_tree->vertical[0]); 4032 pc_tree->vertical[0].mic = *xd->mi[0]; 4033 pc_tree->vertical[0].mbmi_ext = *x->mbmi_ext; 4034 pc_tree->vertical[0].skip_txfm[0] = x->skip_txfm[0]; 4035 pc_tree->vertical[0].skip = x->skip; 4036 encode_b_rt(cpi, td, tile_info, tp, mi_row, mi_col, output_enabled, 4037 subsize, &pc_tree->vertical[0]); 4038 if (mi_col + hbs < cm->mi_cols && bsize > BLOCK_8X8) { 4039 pc_tree->vertical[1].pred_pixel_ready = 1; 4040 nonrd_pick_sb_modes(cpi, tile_data, x, mi_row, mi_col + hbs, dummy_cost, 4041 subsize, &pc_tree->vertical[1]); 4042 pc_tree->vertical[1].mic = *xd->mi[0]; 4043 pc_tree->vertical[1].mbmi_ext = *x->mbmi_ext; 4044 pc_tree->vertical[1].skip_txfm[0] = x->skip_txfm[0]; 4045 pc_tree->vertical[1].skip = x->skip; 4046 encode_b_rt(cpi, td, tile_info, tp, mi_row, mi_col + hbs, 4047 output_enabled, subsize, &pc_tree->vertical[1]); 4048 } 4049 break; 4050 case PARTITION_HORZ: 4051 pc_tree->horizontal[0].pred_pixel_ready = 1; 4052 nonrd_pick_sb_modes(cpi, tile_data, x, mi_row, mi_col, dummy_cost, 4053 subsize, &pc_tree->horizontal[0]); 4054 pc_tree->horizontal[0].mic = *xd->mi[0]; 4055 pc_tree->horizontal[0].mbmi_ext = *x->mbmi_ext; 4056 pc_tree->horizontal[0].skip_txfm[0] = x->skip_txfm[0]; 4057 pc_tree->horizontal[0].skip = x->skip; 4058 encode_b_rt(cpi, td, tile_info, tp, mi_row, mi_col, output_enabled, 4059 subsize, &pc_tree->horizontal[0]); 4060 4061 if (mi_row + hbs < cm->mi_rows && bsize > BLOCK_8X8) { 4062 pc_tree->horizontal[1].pred_pixel_ready = 1; 4063 nonrd_pick_sb_modes(cpi, tile_data, x, mi_row + hbs, mi_col, dummy_cost, 4064 subsize, &pc_tree->horizontal[1]); 4065 pc_tree->horizontal[1].mic = *xd->mi[0]; 4066 pc_tree->horizontal[1].mbmi_ext = *x->mbmi_ext; 4067 pc_tree->horizontal[1].skip_txfm[0] = x->skip_txfm[0]; 4068 pc_tree->horizontal[1].skip = x->skip; 4069 encode_b_rt(cpi, td, tile_info, tp, mi_row + hbs, mi_col, 4070 output_enabled, subsize, &pc_tree->horizontal[1]); 4071 } 4072 break; 4073 case PARTITION_SPLIT: 4074 subsize = get_subsize(bsize, PARTITION_SPLIT); 4075 if (bsize == BLOCK_8X8) { 4076 nonrd_pick_sb_modes(cpi, tile_data, x, mi_row, mi_col, dummy_cost, 4077 subsize, pc_tree->leaf_split[0]); 4078 encode_b_rt(cpi, td, tile_info, tp, mi_row, mi_col, output_enabled, 4079 subsize, pc_tree->leaf_split[0]); 4080 } else { 4081 nonrd_use_partition(cpi, td, tile_data, mi, tp, mi_row, mi_col, subsize, 4082 output_enabled, dummy_cost, pc_tree->split[0]); 4083 nonrd_use_partition(cpi, td, tile_data, mi + hbs, tp, mi_row, 4084 mi_col + hbs, subsize, output_enabled, dummy_cost, 4085 pc_tree->split[1]); 4086 nonrd_use_partition(cpi, td, tile_data, mi + hbs * mis, tp, 4087 mi_row + hbs, mi_col, subsize, output_enabled, 4088 dummy_cost, pc_tree->split[2]); 4089 nonrd_use_partition(cpi, td, tile_data, mi + hbs * mis + hbs, tp, 4090 mi_row + hbs, mi_col + hbs, subsize, output_enabled, 4091 dummy_cost, pc_tree->split[3]); 4092 } 4093 break; 4094 default: assert(0 && "Invalid partition type."); break; 4095 } 4096 4097 if (partition != PARTITION_SPLIT || bsize == BLOCK_8X8) 4098 update_partition_context(xd, mi_row, mi_col, subsize, bsize); 4099} 4100 4101static void encode_nonrd_sb_row(VP9_COMP *cpi, ThreadData *td, 4102 TileDataEnc *tile_data, int mi_row, 4103 TOKENEXTRA **tp) { 4104 SPEED_FEATURES *const sf = &cpi->sf; 4105 VP9_COMMON *const cm = &cpi->common; 4106 TileInfo *const tile_info = &tile_data->tile_info; 4107 MACROBLOCK *const x = &td->mb; 4108 MACROBLOCKD *const xd = &x->e_mbd; 4109 const int mi_col_start = tile_info->mi_col_start; 4110 const int mi_col_end = tile_info->mi_col_end; 4111 int mi_col; 4112 const int sb_row = mi_row >> MI_BLOCK_SIZE_LOG2; 4113 const int num_sb_cols = 4114 get_num_cols(tile_data->tile_info, MI_BLOCK_SIZE_LOG2); 4115 int sb_col_in_tile; 4116 4117 // Initialize the left context for the new SB row 4118 memset(&xd->left_context, 0, sizeof(xd->left_context)); 4119 memset(xd->left_seg_context, 0, sizeof(xd->left_seg_context)); 4120 4121 // Code each SB in the row 4122 for (mi_col = mi_col_start, sb_col_in_tile = 0; mi_col < mi_col_end; 4123 mi_col += MI_BLOCK_SIZE, ++sb_col_in_tile) { 4124 const struct segmentation *const seg = &cm->seg; 4125 RD_COST dummy_rdc; 4126 const int idx_str = cm->mi_stride * mi_row + mi_col; 4127 MODE_INFO **mi = cm->mi_grid_visible + idx_str; 4128 PARTITION_SEARCH_TYPE partition_search_type = sf->partition_search_type; 4129 BLOCK_SIZE bsize = BLOCK_64X64; 4130 int seg_skip = 0; 4131 4132 (*(cpi->row_mt_sync_read_ptr))(&tile_data->row_mt_sync, sb_row, 4133 sb_col_in_tile); 4134 4135 x->source_variance = UINT_MAX; 4136 vp9_zero(x->pred_mv); 4137 vp9_rd_cost_init(&dummy_rdc); 4138 x->color_sensitivity[0] = 0; 4139 x->color_sensitivity[1] = 0; 4140 x->sb_is_skin = 0; 4141 x->skip_low_source_sad = 0; 4142 x->lowvar_highsumdiff = 0; 4143 x->content_state_sb = 0; 4144 4145 if (seg->enabled) { 4146 const uint8_t *const map = 4147 seg->update_map ? cpi->segmentation_map : cm->last_frame_seg_map; 4148 int segment_id = get_segment_id(cm, map, BLOCK_64X64, mi_row, mi_col); 4149 seg_skip = segfeature_active(seg, segment_id, SEG_LVL_SKIP); 4150 if (seg_skip) { 4151 partition_search_type = FIXED_PARTITION; 4152 } 4153 } 4154 4155 if (cpi->compute_source_sad_onepass && cpi->sf.use_source_sad) { 4156 int shift = cpi->Source->y_stride * (mi_row << 3) + (mi_col << 3); 4157 int sb_offset2 = ((cm->mi_cols + 7) >> 3) * (mi_row >> 3) + (mi_col >> 3); 4158 avg_source_sad(cpi, x, shift, sb_offset2); 4159 } 4160 4161 // Set the partition type of the 64X64 block 4162 switch (partition_search_type) { 4163 case VAR_BASED_PARTITION: 4164 // TODO(jingning, marpan): The mode decision and encoding process 4165 // support both intra and inter sub8x8 block coding for RTC mode. 4166 // Tune the thresholds accordingly to use sub8x8 block coding for 4167 // coding performance improvement. 4168 choose_partitioning(cpi, tile_info, x, mi_row, mi_col); 4169 nonrd_use_partition(cpi, td, tile_data, mi, tp, mi_row, mi_col, 4170 BLOCK_64X64, 1, &dummy_rdc, td->pc_root); 4171 break; 4172 case SOURCE_VAR_BASED_PARTITION: 4173 set_source_var_based_partition(cpi, tile_info, x, mi, mi_row, mi_col); 4174 nonrd_use_partition(cpi, td, tile_data, mi, tp, mi_row, mi_col, 4175 BLOCK_64X64, 1, &dummy_rdc, td->pc_root); 4176 break; 4177 case FIXED_PARTITION: 4178 if (!seg_skip) bsize = sf->always_this_block_size; 4179 set_fixed_partitioning(cpi, tile_info, mi, mi_row, mi_col, bsize); 4180 nonrd_use_partition(cpi, td, tile_data, mi, tp, mi_row, mi_col, 4181 BLOCK_64X64, 1, &dummy_rdc, td->pc_root); 4182 break; 4183 case REFERENCE_PARTITION: 4184 set_offsets(cpi, tile_info, x, mi_row, mi_col, BLOCK_64X64); 4185 // Use nonrd_pick_partition on scene-cut for VBR mode. 4186 // nonrd_pick_partition does not support 4x4 partition, so avoid it 4187 // on key frame for now. 4188 if ((cpi->oxcf.rc_mode == VPX_VBR && cpi->rc.high_source_sad && 4189 cm->frame_type != KEY_FRAME)) { 4190 // Use lower max_partition_size for low resoultions. 4191 if (cm->width <= 352 && cm->height <= 288) 4192 x->max_partition_size = BLOCK_32X32; 4193 else 4194 x->max_partition_size = BLOCK_64X64; 4195 x->min_partition_size = BLOCK_8X8; 4196 nonrd_pick_partition(cpi, td, tile_data, tp, mi_row, mi_col, 4197 BLOCK_64X64, &dummy_rdc, 1, INT64_MAX, 4198 td->pc_root); 4199 } else { 4200 choose_partitioning(cpi, tile_info, x, mi_row, mi_col); 4201 // TODO(marpan): Seems like nonrd_select_partition does not support 4202 // 4x4 partition. Since 4x4 is used on key frame, use this switch 4203 // for now. 4204 if (cm->frame_type == KEY_FRAME) 4205 nonrd_use_partition(cpi, td, tile_data, mi, tp, mi_row, mi_col, 4206 BLOCK_64X64, 1, &dummy_rdc, td->pc_root); 4207 else 4208 nonrd_select_partition(cpi, td, tile_data, mi, tp, mi_row, mi_col, 4209 BLOCK_64X64, 1, &dummy_rdc, td->pc_root); 4210 } 4211 4212 break; 4213 default: assert(0); break; 4214 } 4215 4216 (*(cpi->row_mt_sync_write_ptr))(&tile_data->row_mt_sync, sb_row, 4217 sb_col_in_tile, num_sb_cols); 4218 } 4219} 4220// end RTC play code 4221 4222static int set_var_thresh_from_histogram(VP9_COMP *cpi) { 4223 const SPEED_FEATURES *const sf = &cpi->sf; 4224 const VP9_COMMON *const cm = &cpi->common; 4225 4226 const uint8_t *src = cpi->Source->y_buffer; 4227 const uint8_t *last_src = cpi->Last_Source->y_buffer; 4228 const int src_stride = cpi->Source->y_stride; 4229 const int last_stride = cpi->Last_Source->y_stride; 4230 4231 // Pick cutoff threshold 4232 const int cutoff = (VPXMIN(cm->width, cm->height) >= 720) 4233 ? (cm->MBs * VAR_HIST_LARGE_CUT_OFF / 100) 4234 : (cm->MBs * VAR_HIST_SMALL_CUT_OFF / 100); 4235 DECLARE_ALIGNED(16, int, hist[VAR_HIST_BINS]); 4236 diff *var16 = cpi->source_diff_var; 4237 4238 int sum = 0; 4239 int i, j; 4240 4241 memset(hist, 0, VAR_HIST_BINS * sizeof(hist[0])); 4242 4243 for (i = 0; i < cm->mb_rows; i++) { 4244 for (j = 0; j < cm->mb_cols; j++) { 4245#if CONFIG_VP9_HIGHBITDEPTH 4246 if (cm->use_highbitdepth) { 4247 switch (cm->bit_depth) { 4248 case VPX_BITS_8: 4249 vpx_highbd_8_get16x16var(src, src_stride, last_src, last_stride, 4250 &var16->sse, &var16->sum); 4251 break; 4252 case VPX_BITS_10: 4253 vpx_highbd_10_get16x16var(src, src_stride, last_src, last_stride, 4254 &var16->sse, &var16->sum); 4255 break; 4256 case VPX_BITS_12: 4257 vpx_highbd_12_get16x16var(src, src_stride, last_src, last_stride, 4258 &var16->sse, &var16->sum); 4259 break; 4260 default: 4261 assert(0 && 4262 "cm->bit_depth should be VPX_BITS_8, VPX_BITS_10" 4263 " or VPX_BITS_12"); 4264 return -1; 4265 } 4266 } else { 4267 vpx_get16x16var(src, src_stride, last_src, last_stride, &var16->sse, 4268 &var16->sum); 4269 } 4270#else 4271 vpx_get16x16var(src, src_stride, last_src, last_stride, &var16->sse, 4272 &var16->sum); 4273#endif // CONFIG_VP9_HIGHBITDEPTH 4274 var16->var = var16->sse - (((uint32_t)var16->sum * var16->sum) >> 8); 4275 4276 if (var16->var >= VAR_HIST_MAX_BG_VAR) 4277 hist[VAR_HIST_BINS - 1]++; 4278 else 4279 hist[var16->var / VAR_HIST_FACTOR]++; 4280 4281 src += 16; 4282 last_src += 16; 4283 var16++; 4284 } 4285 4286 src = src - cm->mb_cols * 16 + 16 * src_stride; 4287 last_src = last_src - cm->mb_cols * 16 + 16 * last_stride; 4288 } 4289 4290 cpi->source_var_thresh = 0; 4291 4292 if (hist[VAR_HIST_BINS - 1] < cutoff) { 4293 for (i = 0; i < VAR_HIST_BINS - 1; i++) { 4294 sum += hist[i]; 4295 4296 if (sum > cutoff) { 4297 cpi->source_var_thresh = (i + 1) * VAR_HIST_FACTOR; 4298 return 0; 4299 } 4300 } 4301 } 4302 4303 return sf->search_type_check_frequency; 4304} 4305 4306static void source_var_based_partition_search_method(VP9_COMP *cpi) { 4307 VP9_COMMON *const cm = &cpi->common; 4308 SPEED_FEATURES *const sf = &cpi->sf; 4309 4310 if (cm->frame_type == KEY_FRAME) { 4311 // For key frame, use SEARCH_PARTITION. 4312 sf->partition_search_type = SEARCH_PARTITION; 4313 } else if (cm->intra_only) { 4314 sf->partition_search_type = FIXED_PARTITION; 4315 } else { 4316 if (cm->last_width != cm->width || cm->last_height != cm->height) { 4317 if (cpi->source_diff_var) vpx_free(cpi->source_diff_var); 4318 4319 CHECK_MEM_ERROR(cm, cpi->source_diff_var, 4320 vpx_calloc(cm->MBs, sizeof(diff))); 4321 } 4322 4323 if (!cpi->frames_till_next_var_check) 4324 cpi->frames_till_next_var_check = set_var_thresh_from_histogram(cpi); 4325 4326 if (cpi->frames_till_next_var_check > 0) { 4327 sf->partition_search_type = FIXED_PARTITION; 4328 cpi->frames_till_next_var_check--; 4329 } 4330 } 4331} 4332 4333static int get_skip_encode_frame(const VP9_COMMON *cm, ThreadData *const td) { 4334 unsigned int intra_count = 0, inter_count = 0; 4335 int j; 4336 4337 for (j = 0; j < INTRA_INTER_CONTEXTS; ++j) { 4338 intra_count += td->counts->intra_inter[j][0]; 4339 inter_count += td->counts->intra_inter[j][1]; 4340 } 4341 4342 return (intra_count << 2) < inter_count && cm->frame_type != KEY_FRAME && 4343 cm->show_frame; 4344} 4345 4346void vp9_init_tile_data(VP9_COMP *cpi) { 4347 VP9_COMMON *const cm = &cpi->common; 4348 const int tile_cols = 1 << cm->log2_tile_cols; 4349 const int tile_rows = 1 << cm->log2_tile_rows; 4350 int tile_col, tile_row; 4351 TOKENEXTRA *pre_tok = cpi->tile_tok[0][0]; 4352 TOKENLIST *tplist = cpi->tplist[0][0]; 4353 int tile_tok = 0; 4354 int tplist_count = 0; 4355 4356 if (cpi->tile_data == NULL || cpi->allocated_tiles < tile_cols * tile_rows) { 4357 if (cpi->tile_data != NULL) vpx_free(cpi->tile_data); 4358 CHECK_MEM_ERROR(cm, cpi->tile_data, vpx_malloc(tile_cols * tile_rows * 4359 sizeof(*cpi->tile_data))); 4360 cpi->allocated_tiles = tile_cols * tile_rows; 4361 4362 for (tile_row = 0; tile_row < tile_rows; ++tile_row) 4363 for (tile_col = 0; tile_col < tile_cols; ++tile_col) { 4364 TileDataEnc *tile_data = 4365 &cpi->tile_data[tile_row * tile_cols + tile_col]; 4366 int i, j; 4367 for (i = 0; i < BLOCK_SIZES; ++i) { 4368 for (j = 0; j < MAX_MODES; ++j) { 4369 tile_data->thresh_freq_fact[i][j] = RD_THRESH_INIT_FACT; 4370 tile_data->mode_map[i][j] = j; 4371 } 4372 } 4373#if CONFIG_MULTITHREAD 4374 tile_data->row_base_thresh_freq_fact = NULL; 4375#endif 4376 } 4377 } 4378 4379 for (tile_row = 0; tile_row < tile_rows; ++tile_row) { 4380 for (tile_col = 0; tile_col < tile_cols; ++tile_col) { 4381 TileDataEnc *this_tile = &cpi->tile_data[tile_row * tile_cols + tile_col]; 4382 TileInfo *tile_info = &this_tile->tile_info; 4383 vp9_tile_init(tile_info, cm, tile_row, tile_col); 4384 4385 cpi->tile_tok[tile_row][tile_col] = pre_tok + tile_tok; 4386 pre_tok = cpi->tile_tok[tile_row][tile_col]; 4387 tile_tok = allocated_tokens(*tile_info); 4388 4389 cpi->tplist[tile_row][tile_col] = tplist + tplist_count; 4390 tplist = cpi->tplist[tile_row][tile_col]; 4391 tplist_count = get_num_vert_units(*tile_info, MI_BLOCK_SIZE_LOG2); 4392 } 4393 } 4394} 4395 4396void vp9_encode_sb_row(VP9_COMP *cpi, ThreadData *td, int tile_row, 4397 int tile_col, int mi_row) { 4398 VP9_COMMON *const cm = &cpi->common; 4399 const int tile_cols = 1 << cm->log2_tile_cols; 4400 TileDataEnc *this_tile = &cpi->tile_data[tile_row * tile_cols + tile_col]; 4401 const TileInfo *const tile_info = &this_tile->tile_info; 4402 TOKENEXTRA *tok = NULL; 4403 int tile_sb_row; 4404 int tile_mb_cols = (tile_info->mi_col_end - tile_info->mi_col_start + 1) >> 1; 4405 4406 tile_sb_row = mi_cols_aligned_to_sb(mi_row - tile_info->mi_row_start) >> 4407 MI_BLOCK_SIZE_LOG2; 4408 get_start_tok(cpi, tile_row, tile_col, mi_row, &tok); 4409 cpi->tplist[tile_row][tile_col][tile_sb_row].start = tok; 4410 4411 if (cpi->sf.use_nonrd_pick_mode) 4412 encode_nonrd_sb_row(cpi, td, this_tile, mi_row, &tok); 4413 else 4414 encode_rd_sb_row(cpi, td, this_tile, mi_row, &tok); 4415 4416 cpi->tplist[tile_row][tile_col][tile_sb_row].stop = tok; 4417 cpi->tplist[tile_row][tile_col][tile_sb_row].count = 4418 (unsigned int)(cpi->tplist[tile_row][tile_col][tile_sb_row].stop - 4419 cpi->tplist[tile_row][tile_col][tile_sb_row].start); 4420 assert(tok - cpi->tplist[tile_row][tile_col][tile_sb_row].start <= 4421 get_token_alloc(MI_BLOCK_SIZE >> 1, tile_mb_cols)); 4422 4423 (void)tile_mb_cols; 4424} 4425 4426void vp9_encode_tile(VP9_COMP *cpi, ThreadData *td, int tile_row, 4427 int tile_col) { 4428 VP9_COMMON *const cm = &cpi->common; 4429 const int tile_cols = 1 << cm->log2_tile_cols; 4430 TileDataEnc *this_tile = &cpi->tile_data[tile_row * tile_cols + tile_col]; 4431 const TileInfo *const tile_info = &this_tile->tile_info; 4432 const int mi_row_start = tile_info->mi_row_start; 4433 const int mi_row_end = tile_info->mi_row_end; 4434 int mi_row; 4435 4436 for (mi_row = mi_row_start; mi_row < mi_row_end; mi_row += MI_BLOCK_SIZE) 4437 vp9_encode_sb_row(cpi, td, tile_row, tile_col, mi_row); 4438} 4439 4440static void encode_tiles(VP9_COMP *cpi) { 4441 VP9_COMMON *const cm = &cpi->common; 4442 const int tile_cols = 1 << cm->log2_tile_cols; 4443 const int tile_rows = 1 << cm->log2_tile_rows; 4444 int tile_col, tile_row; 4445 4446 vp9_init_tile_data(cpi); 4447 4448 for (tile_row = 0; tile_row < tile_rows; ++tile_row) 4449 for (tile_col = 0; tile_col < tile_cols; ++tile_col) 4450 vp9_encode_tile(cpi, &cpi->td, tile_row, tile_col); 4451} 4452 4453#if CONFIG_FP_MB_STATS 4454static int input_fpmb_stats(FIRSTPASS_MB_STATS *firstpass_mb_stats, 4455 VP9_COMMON *cm, uint8_t **this_frame_mb_stats) { 4456 uint8_t *mb_stats_in = firstpass_mb_stats->mb_stats_start + 4457 cm->current_video_frame * cm->MBs * sizeof(uint8_t); 4458 4459 if (mb_stats_in > firstpass_mb_stats->mb_stats_end) return EOF; 4460 4461 *this_frame_mb_stats = mb_stats_in; 4462 4463 return 1; 4464} 4465#endif 4466 4467static void encode_frame_internal(VP9_COMP *cpi) { 4468 SPEED_FEATURES *const sf = &cpi->sf; 4469 ThreadData *const td = &cpi->td; 4470 MACROBLOCK *const x = &td->mb; 4471 VP9_COMMON *const cm = &cpi->common; 4472 MACROBLOCKD *const xd = &x->e_mbd; 4473 4474 xd->mi = cm->mi_grid_visible; 4475 xd->mi[0] = cm->mi; 4476 4477 vp9_zero(*td->counts); 4478 vp9_zero(cpi->td.rd_counts); 4479 4480 xd->lossless = cm->base_qindex == 0 && cm->y_dc_delta_q == 0 && 4481 cm->uv_dc_delta_q == 0 && cm->uv_ac_delta_q == 0; 4482 4483#if CONFIG_VP9_HIGHBITDEPTH 4484 if (cm->use_highbitdepth) 4485 x->fwd_txm4x4 = xd->lossless ? vp9_highbd_fwht4x4 : vpx_highbd_fdct4x4; 4486 else 4487 x->fwd_txm4x4 = xd->lossless ? vp9_fwht4x4 : vpx_fdct4x4; 4488 x->highbd_itxm_add = 4489 xd->lossless ? vp9_highbd_iwht4x4_add : vp9_highbd_idct4x4_add; 4490#else 4491 x->fwd_txm4x4 = xd->lossless ? vp9_fwht4x4 : vpx_fdct4x4; 4492#endif // CONFIG_VP9_HIGHBITDEPTH 4493 x->itxm_add = xd->lossless ? vp9_iwht4x4_add : vp9_idct4x4_add; 4494 4495 if (xd->lossless) x->optimize = 0; 4496 4497 cm->tx_mode = select_tx_mode(cpi, xd); 4498 4499 vp9_frame_init_quantizer(cpi); 4500 4501 vp9_initialize_rd_consts(cpi); 4502 vp9_initialize_me_consts(cpi, x, cm->base_qindex); 4503 init_encode_frame_mb_context(cpi); 4504 cm->use_prev_frame_mvs = 4505 !cm->error_resilient_mode && cm->width == cm->last_width && 4506 cm->height == cm->last_height && !cm->intra_only && cm->last_show_frame; 4507 // Special case: set prev_mi to NULL when the previous mode info 4508 // context cannot be used. 4509 cm->prev_mi = 4510 cm->use_prev_frame_mvs ? cm->prev_mip + cm->mi_stride + 1 : NULL; 4511 4512 x->quant_fp = cpi->sf.use_quant_fp; 4513 vp9_zero(x->skip_txfm); 4514 if (sf->use_nonrd_pick_mode) { 4515 // Initialize internal buffer pointers for rtc coding, where non-RD 4516 // mode decision is used and hence no buffer pointer swap needed. 4517 int i; 4518 struct macroblock_plane *const p = x->plane; 4519 struct macroblockd_plane *const pd = xd->plane; 4520 PICK_MODE_CONTEXT *ctx = &cpi->td.pc_root->none; 4521 4522 for (i = 0; i < MAX_MB_PLANE; ++i) { 4523 p[i].coeff = ctx->coeff_pbuf[i][0]; 4524 p[i].qcoeff = ctx->qcoeff_pbuf[i][0]; 4525 pd[i].dqcoeff = ctx->dqcoeff_pbuf[i][0]; 4526 p[i].eobs = ctx->eobs_pbuf[i][0]; 4527 } 4528 vp9_zero(x->zcoeff_blk); 4529 4530 if (cm->frame_type != KEY_FRAME && cpi->rc.frames_since_golden == 0 && 4531 !(cpi->oxcf.lag_in_frames > 0 && cpi->oxcf.rc_mode == VPX_VBR) && 4532 !cpi->use_svc) 4533 cpi->ref_frame_flags &= (~VP9_GOLD_FLAG); 4534 4535 if (sf->partition_search_type == SOURCE_VAR_BASED_PARTITION) 4536 source_var_based_partition_search_method(cpi); 4537 } 4538 4539 { 4540 struct vpx_usec_timer emr_timer; 4541 vpx_usec_timer_start(&emr_timer); 4542 4543#if CONFIG_FP_MB_STATS 4544 if (cpi->use_fp_mb_stats) { 4545 input_fpmb_stats(&cpi->twopass.firstpass_mb_stats, cm, 4546 &cpi->twopass.this_frame_mb_stats); 4547 } 4548#endif 4549 4550 if (!cpi->row_mt) { 4551 cpi->row_mt_sync_read_ptr = vp9_row_mt_sync_read_dummy; 4552 cpi->row_mt_sync_write_ptr = vp9_row_mt_sync_write_dummy; 4553 // If allowed, encoding tiles in parallel with one thread handling one 4554 // tile when row based multi-threading is disabled. 4555 if (VPXMIN(cpi->oxcf.max_threads, 1 << cm->log2_tile_cols) > 1) 4556 vp9_encode_tiles_mt(cpi); 4557 else 4558 encode_tiles(cpi); 4559 } else { 4560 cpi->row_mt_sync_read_ptr = vp9_row_mt_sync_read; 4561 cpi->row_mt_sync_write_ptr = vp9_row_mt_sync_write; 4562 vp9_encode_tiles_row_mt(cpi); 4563 } 4564 4565 vpx_usec_timer_mark(&emr_timer); 4566 cpi->time_encode_sb_row += vpx_usec_timer_elapsed(&emr_timer); 4567 } 4568 4569 sf->skip_encode_frame = 4570 sf->skip_encode_sb ? get_skip_encode_frame(cm, td) : 0; 4571 4572#if 0 4573 // Keep record of the total distortion this time around for future use 4574 cpi->last_frame_distortion = cpi->frame_distortion; 4575#endif 4576} 4577 4578static INTERP_FILTER get_interp_filter( 4579 const int64_t threshes[SWITCHABLE_FILTER_CONTEXTS], int is_alt_ref) { 4580 if (!is_alt_ref && threshes[EIGHTTAP_SMOOTH] > threshes[EIGHTTAP] && 4581 threshes[EIGHTTAP_SMOOTH] > threshes[EIGHTTAP_SHARP] && 4582 threshes[EIGHTTAP_SMOOTH] > threshes[SWITCHABLE - 1]) { 4583 return EIGHTTAP_SMOOTH; 4584 } else if (threshes[EIGHTTAP_SHARP] > threshes[EIGHTTAP] && 4585 threshes[EIGHTTAP_SHARP] > threshes[SWITCHABLE - 1]) { 4586 return EIGHTTAP_SHARP; 4587 } else if (threshes[EIGHTTAP] > threshes[SWITCHABLE - 1]) { 4588 return EIGHTTAP; 4589 } else { 4590 return SWITCHABLE; 4591 } 4592} 4593 4594static int compute_frame_aq_offset(struct VP9_COMP *cpi) { 4595 VP9_COMMON *const cm = &cpi->common; 4596 MODE_INFO **mi_8x8_ptr = cm->mi_grid_visible; 4597 struct segmentation *const seg = &cm->seg; 4598 4599 int mi_row, mi_col; 4600 int sum_delta = 0; 4601 int map_index = 0; 4602 int qdelta_index; 4603 int segment_id; 4604 4605 for (mi_row = 0; mi_row < cm->mi_rows; mi_row++) { 4606 MODE_INFO **mi_8x8 = mi_8x8_ptr; 4607 for (mi_col = 0; mi_col < cm->mi_cols; mi_col++, mi_8x8++) { 4608 segment_id = mi_8x8[0]->segment_id; 4609 qdelta_index = get_segdata(seg, segment_id, SEG_LVL_ALT_Q); 4610 sum_delta += qdelta_index; 4611 map_index++; 4612 } 4613 mi_8x8_ptr += cm->mi_stride; 4614 } 4615 4616 return sum_delta / (cm->mi_rows * cm->mi_cols); 4617} 4618 4619void vp9_encode_frame(VP9_COMP *cpi) { 4620 VP9_COMMON *const cm = &cpi->common; 4621 4622 // In the longer term the encoder should be generalized to match the 4623 // decoder such that we allow compound where one of the 3 buffers has a 4624 // different sign bias and that buffer is then the fixed ref. However, this 4625 // requires further work in the rd loop. For now the only supported encoder 4626 // side behavior is where the ALT ref buffer has opposite sign bias to 4627 // the other two. 4628 if (!frame_is_intra_only(cm)) { 4629 if ((cm->ref_frame_sign_bias[ALTREF_FRAME] == 4630 cm->ref_frame_sign_bias[GOLDEN_FRAME]) || 4631 (cm->ref_frame_sign_bias[ALTREF_FRAME] == 4632 cm->ref_frame_sign_bias[LAST_FRAME])) { 4633 cpi->allow_comp_inter_inter = 0; 4634 } else { 4635 cpi->allow_comp_inter_inter = 1; 4636 cm->comp_fixed_ref = ALTREF_FRAME; 4637 cm->comp_var_ref[0] = LAST_FRAME; 4638 cm->comp_var_ref[1] = GOLDEN_FRAME; 4639 } 4640 } 4641 4642 if (cpi->sf.frame_parameter_update) { 4643 int i; 4644 RD_OPT *const rd_opt = &cpi->rd; 4645 FRAME_COUNTS *counts = cpi->td.counts; 4646 RD_COUNTS *const rdc = &cpi->td.rd_counts; 4647 4648 // This code does a single RD pass over the whole frame assuming 4649 // either compound, single or hybrid prediction as per whatever has 4650 // worked best for that type of frame in the past. 4651 // It also predicts whether another coding mode would have worked 4652 // better than this coding mode. If that is the case, it remembers 4653 // that for subsequent frames. 4654 // It also does the same analysis for transform size selection. 4655 const MV_REFERENCE_FRAME frame_type = get_frame_type(cpi); 4656 int64_t *const mode_thrs = rd_opt->prediction_type_threshes[frame_type]; 4657 int64_t *const filter_thrs = rd_opt->filter_threshes[frame_type]; 4658 const int is_alt_ref = frame_type == ALTREF_FRAME; 4659 4660 /* prediction (compound, single or hybrid) mode selection */ 4661 if (is_alt_ref || !cpi->allow_comp_inter_inter) 4662 cm->reference_mode = SINGLE_REFERENCE; 4663 else if (mode_thrs[COMPOUND_REFERENCE] > mode_thrs[SINGLE_REFERENCE] && 4664 mode_thrs[COMPOUND_REFERENCE] > mode_thrs[REFERENCE_MODE_SELECT] && 4665 check_dual_ref_flags(cpi) && cpi->static_mb_pct == 100) 4666 cm->reference_mode = COMPOUND_REFERENCE; 4667 else if (mode_thrs[SINGLE_REFERENCE] > mode_thrs[REFERENCE_MODE_SELECT]) 4668 cm->reference_mode = SINGLE_REFERENCE; 4669 else 4670 cm->reference_mode = REFERENCE_MODE_SELECT; 4671 4672 if (cm->interp_filter == SWITCHABLE) 4673 cm->interp_filter = get_interp_filter(filter_thrs, is_alt_ref); 4674 4675 encode_frame_internal(cpi); 4676 4677 for (i = 0; i < REFERENCE_MODES; ++i) 4678 mode_thrs[i] = (mode_thrs[i] + rdc->comp_pred_diff[i] / cm->MBs) / 2; 4679 4680 for (i = 0; i < SWITCHABLE_FILTER_CONTEXTS; ++i) 4681 filter_thrs[i] = (filter_thrs[i] + rdc->filter_diff[i] / cm->MBs) / 2; 4682 4683 if (cm->reference_mode == REFERENCE_MODE_SELECT) { 4684 int single_count_zero = 0; 4685 int comp_count_zero = 0; 4686 4687 for (i = 0; i < COMP_INTER_CONTEXTS; i++) { 4688 single_count_zero += counts->comp_inter[i][0]; 4689 comp_count_zero += counts->comp_inter[i][1]; 4690 } 4691 4692 if (comp_count_zero == 0) { 4693 cm->reference_mode = SINGLE_REFERENCE; 4694 vp9_zero(counts->comp_inter); 4695 } else if (single_count_zero == 0) { 4696 cm->reference_mode = COMPOUND_REFERENCE; 4697 vp9_zero(counts->comp_inter); 4698 } 4699 } 4700 4701 if (cm->tx_mode == TX_MODE_SELECT) { 4702 int count4x4 = 0; 4703 int count8x8_lp = 0, count8x8_8x8p = 0; 4704 int count16x16_16x16p = 0, count16x16_lp = 0; 4705 int count32x32 = 0; 4706 4707 for (i = 0; i < TX_SIZE_CONTEXTS; ++i) { 4708 count4x4 += counts->tx.p32x32[i][TX_4X4]; 4709 count4x4 += counts->tx.p16x16[i][TX_4X4]; 4710 count4x4 += counts->tx.p8x8[i][TX_4X4]; 4711 4712 count8x8_lp += counts->tx.p32x32[i][TX_8X8]; 4713 count8x8_lp += counts->tx.p16x16[i][TX_8X8]; 4714 count8x8_8x8p += counts->tx.p8x8[i][TX_8X8]; 4715 4716 count16x16_16x16p += counts->tx.p16x16[i][TX_16X16]; 4717 count16x16_lp += counts->tx.p32x32[i][TX_16X16]; 4718 count32x32 += counts->tx.p32x32[i][TX_32X32]; 4719 } 4720 if (count4x4 == 0 && count16x16_lp == 0 && count16x16_16x16p == 0 && 4721 count32x32 == 0) { 4722 cm->tx_mode = ALLOW_8X8; 4723 reset_skip_tx_size(cm, TX_8X8); 4724 } else if (count8x8_8x8p == 0 && count16x16_16x16p == 0 && 4725 count8x8_lp == 0 && count16x16_lp == 0 && count32x32 == 0) { 4726 cm->tx_mode = ONLY_4X4; 4727 reset_skip_tx_size(cm, TX_4X4); 4728 } else if (count8x8_lp == 0 && count16x16_lp == 0 && count4x4 == 0) { 4729 cm->tx_mode = ALLOW_32X32; 4730 } else if (count32x32 == 0 && count8x8_lp == 0 && count4x4 == 0) { 4731 cm->tx_mode = ALLOW_16X16; 4732 reset_skip_tx_size(cm, TX_16X16); 4733 } 4734 } 4735 } else { 4736 cm->reference_mode = SINGLE_REFERENCE; 4737 encode_frame_internal(cpi); 4738 } 4739 4740 // If segmented AQ is enabled compute the average AQ weighting. 4741 if (cm->seg.enabled && (cpi->oxcf.aq_mode != NO_AQ) && 4742 (cm->seg.update_map || cm->seg.update_data)) { 4743 cm->seg.aq_av_offset = compute_frame_aq_offset(cpi); 4744 } 4745} 4746 4747static void sum_intra_stats(FRAME_COUNTS *counts, const MODE_INFO *mi) { 4748 const PREDICTION_MODE y_mode = mi->mode; 4749 const PREDICTION_MODE uv_mode = mi->uv_mode; 4750 const BLOCK_SIZE bsize = mi->sb_type; 4751 4752 if (bsize < BLOCK_8X8) { 4753 int idx, idy; 4754 const int num_4x4_w = num_4x4_blocks_wide_lookup[bsize]; 4755 const int num_4x4_h = num_4x4_blocks_high_lookup[bsize]; 4756 for (idy = 0; idy < 2; idy += num_4x4_h) 4757 for (idx = 0; idx < 2; idx += num_4x4_w) 4758 ++counts->y_mode[0][mi->bmi[idy * 2 + idx].as_mode]; 4759 } else { 4760 ++counts->y_mode[size_group_lookup[bsize]][y_mode]; 4761 } 4762 4763 ++counts->uv_mode[y_mode][uv_mode]; 4764} 4765 4766static void update_zeromv_cnt(VP9_COMP *const cpi, const MODE_INFO *const mi, 4767 int mi_row, int mi_col, BLOCK_SIZE bsize) { 4768 const VP9_COMMON *const cm = &cpi->common; 4769 MV mv = mi->mv[0].as_mv; 4770 const int bw = num_8x8_blocks_wide_lookup[bsize]; 4771 const int bh = num_8x8_blocks_high_lookup[bsize]; 4772 const int xmis = VPXMIN(cm->mi_cols - mi_col, bw); 4773 const int ymis = VPXMIN(cm->mi_rows - mi_row, bh); 4774 const int block_index = mi_row * cm->mi_cols + mi_col; 4775 int x, y; 4776 for (y = 0; y < ymis; y++) 4777 for (x = 0; x < xmis; x++) { 4778 int map_offset = block_index + y * cm->mi_cols + x; 4779 if (is_inter_block(mi) && mi->segment_id <= CR_SEGMENT_ID_BOOST2) { 4780 if (abs(mv.row) < 8 && abs(mv.col) < 8) { 4781 if (cpi->consec_zero_mv[map_offset] < 255) 4782 cpi->consec_zero_mv[map_offset]++; 4783 } else { 4784 cpi->consec_zero_mv[map_offset] = 0; 4785 } 4786 } 4787 } 4788} 4789 4790static void encode_superblock(VP9_COMP *cpi, ThreadData *td, TOKENEXTRA **t, 4791 int output_enabled, int mi_row, int mi_col, 4792 BLOCK_SIZE bsize, PICK_MODE_CONTEXT *ctx) { 4793 VP9_COMMON *const cm = &cpi->common; 4794 MACROBLOCK *const x = &td->mb; 4795 MACROBLOCKD *const xd = &x->e_mbd; 4796 MODE_INFO *mi = xd->mi[0]; 4797 const int seg_skip = 4798 segfeature_active(&cm->seg, mi->segment_id, SEG_LVL_SKIP); 4799 x->skip_recode = !x->select_tx_size && mi->sb_type >= BLOCK_8X8 && 4800 cpi->oxcf.aq_mode != COMPLEXITY_AQ && 4801 cpi->oxcf.aq_mode != CYCLIC_REFRESH_AQ && 4802 cpi->sf.allow_skip_recode; 4803 4804 if (!x->skip_recode && !cpi->sf.use_nonrd_pick_mode) 4805 memset(x->skip_txfm, 0, sizeof(x->skip_txfm)); 4806 4807 x->skip_optimize = ctx->is_coded; 4808 ctx->is_coded = 1; 4809 x->use_lp32x32fdct = cpi->sf.use_lp32x32fdct; 4810 x->skip_encode = (!output_enabled && cpi->sf.skip_encode_frame && 4811 x->q_index < QIDX_SKIP_THRESH); 4812 4813 if (x->skip_encode) return; 4814 4815 if (!is_inter_block(mi)) { 4816 int plane; 4817#if CONFIG_BETTER_HW_COMPATIBILITY && CONFIG_VP9_HIGHBITDEPTH 4818 if ((xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) && 4819 (xd->above_mi == NULL || xd->left_mi == NULL) && 4820 need_top_left[mi->uv_mode]) 4821 assert(0); 4822#endif // CONFIG_BETTER_HW_COMPATIBILITY && CONFIG_VP9_HIGHBITDEPTH 4823 mi->skip = 1; 4824 for (plane = 0; plane < MAX_MB_PLANE; ++plane) 4825 vp9_encode_intra_block_plane(x, VPXMAX(bsize, BLOCK_8X8), plane, 1); 4826 if (output_enabled) sum_intra_stats(td->counts, mi); 4827 vp9_tokenize_sb(cpi, td, t, !output_enabled, seg_skip, 4828 VPXMAX(bsize, BLOCK_8X8)); 4829 } else { 4830 int ref; 4831 const int is_compound = has_second_ref(mi); 4832 set_ref_ptrs(cm, xd, mi->ref_frame[0], mi->ref_frame[1]); 4833 for (ref = 0; ref < 1 + is_compound; ++ref) { 4834 YV12_BUFFER_CONFIG *cfg = get_ref_frame_buffer(cpi, mi->ref_frame[ref]); 4835 assert(cfg != NULL); 4836 vp9_setup_pre_planes(xd, ref, cfg, mi_row, mi_col, 4837 &xd->block_refs[ref]->sf); 4838 } 4839 if (!(cpi->sf.reuse_inter_pred_sby && ctx->pred_pixel_ready) || seg_skip) 4840 vp9_build_inter_predictors_sby(xd, mi_row, mi_col, 4841 VPXMAX(bsize, BLOCK_8X8)); 4842 4843 vp9_build_inter_predictors_sbuv(xd, mi_row, mi_col, 4844 VPXMAX(bsize, BLOCK_8X8)); 4845 4846 vp9_encode_sb(x, VPXMAX(bsize, BLOCK_8X8)); 4847 vp9_tokenize_sb(cpi, td, t, !output_enabled, seg_skip, 4848 VPXMAX(bsize, BLOCK_8X8)); 4849 } 4850 4851 if (seg_skip) { 4852 assert(mi->skip); 4853 } 4854 4855 if (output_enabled) { 4856 if (cm->tx_mode == TX_MODE_SELECT && mi->sb_type >= BLOCK_8X8 && 4857 !(is_inter_block(mi) && mi->skip)) { 4858 ++get_tx_counts(max_txsize_lookup[bsize], get_tx_size_context(xd), 4859 &td->counts->tx)[mi->tx_size]; 4860 } else { 4861 // The new intra coding scheme requires no change of transform size 4862 if (is_inter_block(mi)) { 4863 mi->tx_size = VPXMIN(tx_mode_to_biggest_tx_size[cm->tx_mode], 4864 max_txsize_lookup[bsize]); 4865 } else { 4866 mi->tx_size = (bsize >= BLOCK_8X8) ? mi->tx_size : TX_4X4; 4867 } 4868 } 4869 4870 ++td->counts->tx.tx_totals[mi->tx_size]; 4871 ++td->counts->tx.tx_totals[get_uv_tx_size(mi, &xd->plane[1])]; 4872 if (cm->seg.enabled && cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ) 4873 vp9_cyclic_refresh_update_sb_postencode(cpi, mi, mi_row, mi_col, bsize); 4874 if (cpi->oxcf.pass == 0 && cpi->svc.temporal_layer_id == 0) 4875 update_zeromv_cnt(cpi, mi, mi_row, mi_col, bsize); 4876 } 4877} 4878