2 * Copyright (c) 2014 The WebM project authors. All Rights Reserved.
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.
16 #include "./vp9_rtcd.h"
17 #include "./vpx_dsp_rtcd.h"
19 #include "vpx/vpx_codec.h"
20 #include "vpx_dsp/vpx_dsp_common.h"
21 #include "vpx_mem/vpx_mem.h"
22 #include "vpx_ports/mem.h"
24 #include "vp9/common/vp9_blockd.h"
25 #include "vp9/common/vp9_common.h"
26 #include "vp9/common/vp9_mvref_common.h"
27 #include "vp9/common/vp9_pred_common.h"
28 #include "vp9/common/vp9_reconinter.h"
29 #include "vp9/common/vp9_reconintra.h"
30 #include "vp9/common/vp9_scan.h"
32 #include "vp9/encoder/vp9_cost.h"
33 #include "vp9/encoder/vp9_encoder.h"
34 #include "vp9/encoder/vp9_pickmode.h"
35 #include "vp9/encoder/vp9_ratectrl.h"
36 #include "vp9/encoder/vp9_rd.h"
44 static const int pos_shift_16x16[4][4] = {
45 { 9, 10, 13, 14 }, { 11, 12, 15, 16 }, { 17, 18, 21, 22 }, { 19, 20, 23, 24 }
48 static int mv_refs_rt(VP9_COMP *cpi, const VP9_COMMON *cm, const MACROBLOCK *x,
49 const MACROBLOCKD *xd, const TileInfo *const tile,
50 MODE_INFO *mi, MV_REFERENCE_FRAME ref_frame,
51 int_mv *mv_ref_list, int_mv *base_mv, int mi_row,
52 int mi_col, int use_base_mv) {
53 const int *ref_sign_bias = cm->ref_frame_sign_bias;
54 int i, refmv_count = 0;
56 const POSITION *const mv_ref_search = mv_ref_blocks[mi->sb_type];
58 int different_ref_found = 0;
59 int context_counter = 0;
62 // Blank the reference vector list
63 memset(mv_ref_list, 0, sizeof(*mv_ref_list) * MAX_MV_REF_CANDIDATES);
65 // The nearest 2 blocks are treated differently
66 // if the size < 8x8 we get the mv from the bmi substructure,
67 // and we also need to keep a mode count.
68 for (i = 0; i < 2; ++i) {
69 const POSITION *const mv_ref = &mv_ref_search[i];
70 if (is_inside(tile, mi_col, mi_row, cm->mi_rows, mv_ref)) {
71 const MODE_INFO *const candidate_mi =
72 xd->mi[mv_ref->col + mv_ref->row * xd->mi_stride];
73 // Keep counts for entropy encoding.
74 context_counter += mode_2_counter[candidate_mi->mode];
75 different_ref_found = 1;
77 if (candidate_mi->ref_frame[0] == ref_frame)
78 ADD_MV_REF_LIST(get_sub_block_mv(candidate_mi, 0, mv_ref->col, -1),
79 refmv_count, mv_ref_list, Done);
85 // Check the rest of the neighbors in much the same way
86 // as before except we don't need to keep track of sub blocks or
88 for (; i < MVREF_NEIGHBOURS && !refmv_count; ++i) {
89 const POSITION *const mv_ref = &mv_ref_search[i];
90 if (is_inside(tile, mi_col, mi_row, cm->mi_rows, mv_ref)) {
91 const MODE_INFO *const candidate_mi =
92 xd->mi[mv_ref->col + mv_ref->row * xd->mi_stride];
93 different_ref_found = 1;
95 if (candidate_mi->ref_frame[0] == ref_frame)
96 ADD_MV_REF_LIST(candidate_mi->mv[0], refmv_count, mv_ref_list, Done);
100 // Since we couldn't find 2 mvs from the same reference frame
101 // go back through the neighbors and find motion vectors from
102 // different reference frames.
103 if (different_ref_found && !refmv_count) {
104 for (i = 0; i < MVREF_NEIGHBOURS; ++i) {
105 const POSITION *mv_ref = &mv_ref_search[i];
106 if (is_inside(tile, mi_col, mi_row, cm->mi_rows, mv_ref)) {
107 const MODE_INFO *const candidate_mi =
108 xd->mi[mv_ref->col + mv_ref->row * xd->mi_stride];
110 // If the candidate is INTRA we don't want to consider its mv.
111 IF_DIFF_REF_FRAME_ADD_MV(candidate_mi, ref_frame, ref_sign_bias,
112 refmv_count, mv_ref_list, Done);
117 !cpi->svc.layer_context[cpi->svc.temporal_layer_id].is_key_frame &&
118 ref_frame == LAST_FRAME) {
119 // Get base layer mv.
122 ->mvs[(mi_col >> 1) + (mi_row >> 1) * (cm->mi_cols >> 1)];
123 if (candidate->mv[0].as_int != INVALID_MV) {
124 base_mv->as_mv.row = (candidate->mv[0].as_mv.row * 2);
125 base_mv->as_mv.col = (candidate->mv[0].as_mv.col * 2);
126 clamp_mv_ref(&base_mv->as_mv, xd);
128 base_mv->as_int = INVALID_MV;
134 x->mbmi_ext->mode_context[ref_frame] = counter_to_context[context_counter];
137 for (i = 0; i < MAX_MV_REF_CANDIDATES; ++i)
138 clamp_mv_ref(&mv_ref_list[i].as_mv, xd);
143 static int combined_motion_search(VP9_COMP *cpi, MACROBLOCK *x,
144 BLOCK_SIZE bsize, int mi_row, int mi_col,
145 int_mv *tmp_mv, int *rate_mv,
146 int64_t best_rd_sofar, int use_base_mv) {
147 MACROBLOCKD *xd = &x->e_mbd;
148 MODE_INFO *mi = xd->mi[0];
149 struct buf_2d backup_yv12[MAX_MB_PLANE] = { { 0, 0 } };
150 const int step_param = cpi->sf.mv.fullpel_search_step_param;
151 const int sadpb = x->sadperbit16;
153 const int ref = mi->ref_frame[0];
154 const MV ref_mv = x->mbmi_ext->ref_mvs[ref][0].as_mv;
158 const MvLimits tmp_mv_limits = x->mv_limits;
161 int search_subpel = 1;
162 const YV12_BUFFER_CONFIG *scaled_ref_frame =
163 vp9_get_scaled_ref_frame(cpi, ref);
164 if (scaled_ref_frame) {
166 // Swap out the reference frame for a version that's been scaled to
167 // match the resolution of the current frame, allowing the existing
168 // motion search code to be used without additional modifications.
169 for (i = 0; i < MAX_MB_PLANE; i++) backup_yv12[i] = xd->plane[i].pre[0];
170 vp9_setup_pre_planes(xd, 0, scaled_ref_frame, mi_row, mi_col, NULL);
172 vp9_set_mv_search_range(&x->mv_limits, &ref_mv);
174 // Limit motion vector for large lightning change.
175 if (cpi->oxcf.speed > 5 && x->lowvar_highsumdiff) {
176 x->mv_limits.col_min = VPXMAX(x->mv_limits.col_min, -10);
177 x->mv_limits.row_min = VPXMAX(x->mv_limits.row_min, -10);
178 x->mv_limits.col_max = VPXMIN(x->mv_limits.col_max, 10);
179 x->mv_limits.row_max = VPXMIN(x->mv_limits.row_max, 10);
182 assert(x->mv_best_ref_index[ref] <= 2);
183 if (x->mv_best_ref_index[ref] < 2)
184 mvp_full = x->mbmi_ext->ref_mvs[ref][x->mv_best_ref_index[ref]].as_mv;
186 mvp_full = x->pred_mv[ref];
194 center_mv = tmp_mv->as_mv;
196 if (x->sb_use_mv_part) {
197 tmp_mv->as_mv.row = x->sb_mvrow_part >> 3;
198 tmp_mv->as_mv.col = x->sb_mvcol_part >> 3;
200 vp9_full_pixel_search(
201 cpi, x, bsize, &mvp_full, step_param, cpi->sf.mv.search_method, sadpb,
202 cond_cost_list(cpi, cost_list), ¢er_mv, &tmp_mv->as_mv, INT_MAX, 0);
205 x->mv_limits = tmp_mv_limits;
207 // calculate the bit cost on motion vector
208 mvp_full.row = tmp_mv->as_mv.row * 8;
209 mvp_full.col = tmp_mv->as_mv.col * 8;
211 *rate_mv = vp9_mv_bit_cost(&mvp_full, &ref_mv, x->nmvjointcost, x->mvcost,
215 cpi->inter_mode_cost[x->mbmi_ext->mode_context[ref]][INTER_OFFSET(NEWMV)];
217 !(RDCOST(x->rdmult, x->rddiv, (*rate_mv + rate_mode), 0) > best_rd_sofar);
219 // For SVC on non-reference frame, avoid subpel for (0, 0) motion.
220 if (cpi->use_svc && cpi->svc.non_reference_frame) {
221 if (mvp_full.row == 0 && mvp_full.col == 0) search_subpel = 0;
224 if (rv && search_subpel) {
225 int subpel_force_stop = cpi->sf.mv.subpel_force_stop;
226 if (use_base_mv && cpi->sf.base_mv_aggressive) subpel_force_stop = 2;
227 cpi->find_fractional_mv_step(
228 x, &tmp_mv->as_mv, &ref_mv, cpi->common.allow_high_precision_mv,
229 x->errorperbit, &cpi->fn_ptr[bsize], subpel_force_stop,
230 cpi->sf.mv.subpel_iters_per_step, cond_cost_list(cpi, cost_list),
231 x->nmvjointcost, x->mvcost, &dis, &x->pred_sse[ref], NULL, 0, 0);
232 *rate_mv = vp9_mv_bit_cost(&tmp_mv->as_mv, &ref_mv, x->nmvjointcost,
233 x->mvcost, MV_COST_WEIGHT);
236 if (scaled_ref_frame) {
238 for (i = 0; i < MAX_MB_PLANE; i++) xd->plane[i].pre[0] = backup_yv12[i];
243 static void block_variance(const uint8_t *src, int src_stride,
244 const uint8_t *ref, int ref_stride, int w, int h,
245 unsigned int *sse, int *sum, int block_size,
246 #if CONFIG_VP9_HIGHBITDEPTH
247 int use_highbitdepth, vpx_bit_depth_t bd,
249 uint32_t *sse8x8, int *sum8x8, uint32_t *var8x8) {
255 for (i = 0; i < h; i += block_size) {
256 for (j = 0; j < w; j += block_size) {
257 #if CONFIG_VP9_HIGHBITDEPTH
258 if (use_highbitdepth) {
261 vpx_highbd_8_get8x8var(src + src_stride * i + j, src_stride,
262 ref + ref_stride * i + j, ref_stride,
263 &sse8x8[k], &sum8x8[k]);
266 vpx_highbd_10_get8x8var(src + src_stride * i + j, src_stride,
267 ref + ref_stride * i + j, ref_stride,
268 &sse8x8[k], &sum8x8[k]);
271 vpx_highbd_12_get8x8var(src + src_stride * i + j, src_stride,
272 ref + ref_stride * i + j, ref_stride,
273 &sse8x8[k], &sum8x8[k]);
277 vpx_get8x8var(src + src_stride * i + j, src_stride,
278 ref + ref_stride * i + j, ref_stride, &sse8x8[k],
282 vpx_get8x8var(src + src_stride * i + j, src_stride,
283 ref + ref_stride * i + j, ref_stride, &sse8x8[k],
288 var8x8[k] = sse8x8[k] - (uint32_t)(((int64_t)sum8x8[k] * sum8x8[k]) >> 6);
294 static void calculate_variance(int bw, int bh, TX_SIZE tx_size,
295 unsigned int *sse_i, int *sum_i,
296 unsigned int *var_o, unsigned int *sse_o,
298 const BLOCK_SIZE unit_size = txsize_to_bsize[tx_size];
299 const int nw = 1 << (bw - b_width_log2_lookup[unit_size]);
300 const int nh = 1 << (bh - b_height_log2_lookup[unit_size]);
303 for (i = 0; i < nh; i += 2) {
304 for (j = 0; j < nw; j += 2) {
305 sse_o[k] = sse_i[i * nw + j] + sse_i[i * nw + j + 1] +
306 sse_i[(i + 1) * nw + j] + sse_i[(i + 1) * nw + j + 1];
307 sum_o[k] = sum_i[i * nw + j] + sum_i[i * nw + j + 1] +
308 sum_i[(i + 1) * nw + j] + sum_i[(i + 1) * nw + j + 1];
309 var_o[k] = sse_o[k] - (uint32_t)(((int64_t)sum_o[k] * sum_o[k]) >>
310 (b_width_log2_lookup[unit_size] +
311 b_height_log2_lookup[unit_size] + 6));
317 // Adjust the ac_thr according to speed, width, height and normalized sum
318 static int ac_thr_factor(const int speed, const int width, const int height,
319 const int norm_sum) {
320 if (speed >= 8 && norm_sum < 5) {
321 if (width <= 640 && height <= 480)
329 static void model_rd_for_sb_y_large(VP9_COMP *cpi, BLOCK_SIZE bsize,
330 MACROBLOCK *x, MACROBLOCKD *xd,
331 int *out_rate_sum, int64_t *out_dist_sum,
332 unsigned int *var_y, unsigned int *sse_y,
333 int mi_row, int mi_col, int *early_term,
334 int *flag_preduv_computed) {
335 // Note our transform coeffs are 8 times an orthogonal transform.
336 // Hence quantizer step is also 8 times. To get effective quantizer
337 // we need to divide by 8 before sending to modeling function.
341 struct macroblock_plane *const p = &x->plane[0];
342 struct macroblockd_plane *const pd = &xd->plane[0];
343 const uint32_t dc_quant = pd->dequant[0];
344 const uint32_t ac_quant = pd->dequant[1];
345 const int64_t dc_thr = dc_quant * dc_quant >> 6;
346 int64_t ac_thr = ac_quant * ac_quant >> 6;
351 const int bw = b_width_log2_lookup[bsize];
352 const int bh = b_height_log2_lookup[bsize];
353 const int num8x8 = 1 << (bw + bh - 2);
354 unsigned int sse8x8[64] = { 0 };
355 int sum8x8[64] = { 0 };
356 unsigned int var8x8[64] = { 0 };
359 #if CONFIG_VP9_HIGHBITDEPTH
360 const vpx_bit_depth_t bd = cpi->common.bit_depth;
362 // Calculate variance for whole partition, and also save 8x8 blocks' variance
363 // to be used in following transform skipping test.
364 block_variance(p->src.buf, p->src.stride, pd->dst.buf, pd->dst.stride,
365 4 << bw, 4 << bh, &sse, &sum, 8,
366 #if CONFIG_VP9_HIGHBITDEPTH
367 cpi->common.use_highbitdepth, bd,
369 sse8x8, sum8x8, var8x8);
370 var = sse - (unsigned int)(((int64_t)sum * sum) >> (bw + bh + 4));
375 #if CONFIG_VP9_TEMPORAL_DENOISING
376 if (cpi->oxcf.noise_sensitivity > 0 && denoise_svc(cpi) &&
378 ac_thr = vp9_scale_acskip_thresh(ac_thr, cpi->denoiser.denoising_level,
379 (abs(sum) >> (bw + bh)),
380 cpi->svc.temporal_layer_id);
382 ac_thr *= ac_thr_factor(cpi->oxcf.speed, cpi->common.width,
383 cpi->common.height, abs(sum) >> (bw + bh));
385 ac_thr *= ac_thr_factor(cpi->oxcf.speed, cpi->common.width,
386 cpi->common.height, abs(sum) >> (bw + bh));
389 if (cpi->common.tx_mode == TX_MODE_SELECT) {
390 if (sse > (var << 2))
391 tx_size = VPXMIN(max_txsize_lookup[bsize],
392 tx_mode_to_biggest_tx_size[cpi->common.tx_mode]);
396 if (cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ &&
397 cyclic_refresh_segment_id_boosted(xd->mi[0]->segment_id))
399 else if (tx_size > TX_16X16)
402 tx_size = VPXMIN(max_txsize_lookup[bsize],
403 tx_mode_to_biggest_tx_size[cpi->common.tx_mode]);
406 assert(tx_size >= TX_8X8);
407 xd->mi[0]->tx_size = tx_size;
409 // Evaluate if the partition block is a skippable block in Y plane.
411 unsigned int sse16x16[16] = { 0 };
412 int sum16x16[16] = { 0 };
413 unsigned int var16x16[16] = { 0 };
414 const int num16x16 = num8x8 >> 2;
416 unsigned int sse32x32[4] = { 0 };
417 int sum32x32[4] = { 0 };
418 unsigned int var32x32[4] = { 0 };
419 const int num32x32 = num8x8 >> 4;
423 const int num = (tx_size == TX_8X8)
425 : ((tx_size == TX_16X16) ? num16x16 : num32x32);
426 const unsigned int *sse_tx =
427 (tx_size == TX_8X8) ? sse8x8
428 : ((tx_size == TX_16X16) ? sse16x16 : sse32x32);
429 const unsigned int *var_tx =
430 (tx_size == TX_8X8) ? var8x8
431 : ((tx_size == TX_16X16) ? var16x16 : var32x32);
433 // Calculate variance if tx_size > TX_8X8
434 if (tx_size >= TX_16X16)
435 calculate_variance(bw, bh, TX_8X8, sse8x8, sum8x8, var16x16, sse16x16,
437 if (tx_size == TX_32X32)
438 calculate_variance(bw, bh, TX_16X16, sse16x16, sum16x16, var32x32,
442 x->skip_txfm[0] = SKIP_TXFM_NONE;
443 for (k = 0; k < num; k++)
444 // Check if all ac coefficients can be quantized to zero.
445 if (!(var_tx[k] < ac_thr || var == 0)) {
450 for (k = 0; k < num; k++)
451 // Check if dc coefficient can be quantized to zero.
452 if (!(sse_tx[k] - var_tx[k] < dc_thr || sse == var)) {
458 x->skip_txfm[0] = SKIP_TXFM_AC_ONLY;
460 if (dc_test) x->skip_txfm[0] = SKIP_TXFM_AC_DC;
461 } else if (dc_test) {
466 if (x->skip_txfm[0] == SKIP_TXFM_AC_DC) {
467 int skip_uv[2] = { 0 };
468 unsigned int var_uv[2];
469 unsigned int sse_uv[2];
472 *out_dist_sum = sse << 4;
474 // Transform skipping test in UV planes.
475 for (i = 1; i <= 2; i++) {
476 if (cpi->oxcf.speed < 8 || x->color_sensitivity[i - 1]) {
477 struct macroblock_plane *const p = &x->plane[i];
478 struct macroblockd_plane *const pd = &xd->plane[i];
479 const TX_SIZE uv_tx_size = get_uv_tx_size(xd->mi[0], pd);
480 const BLOCK_SIZE unit_size = txsize_to_bsize[uv_tx_size];
481 const BLOCK_SIZE uv_bsize = get_plane_block_size(bsize, pd);
482 const int uv_bw = b_width_log2_lookup[uv_bsize];
483 const int uv_bh = b_height_log2_lookup[uv_bsize];
484 const int sf = (uv_bw - b_width_log2_lookup[unit_size]) +
485 (uv_bh - b_height_log2_lookup[unit_size]);
486 const uint32_t uv_dc_thr = pd->dequant[0] * pd->dequant[0] >> (6 - sf);
487 const uint32_t uv_ac_thr = pd->dequant[1] * pd->dequant[1] >> (6 - sf);
490 vp9_build_inter_predictors_sbp(xd, mi_row, mi_col, bsize, i);
491 flag_preduv_computed[i - 1] = 1;
492 var_uv[j] = cpi->fn_ptr[uv_bsize].vf(
493 p->src.buf, p->src.stride, pd->dst.buf, pd->dst.stride, &sse_uv[j]);
495 if ((var_uv[j] < uv_ac_thr || var_uv[j] == 0) &&
496 (sse_uv[j] - var_uv[j] < uv_dc_thr || sse_uv[j] == var_uv[j]))
505 // If the transform in YUV planes are skippable, the mode search checks
506 // fewer inter modes and doesn't check intra modes.
507 if (skip_uv[0] & skip_uv[1]) {
514 #if CONFIG_VP9_HIGHBITDEPTH
515 vp9_model_rd_from_var_lapndz(sse - var, num_pels_log2_lookup[bsize],
516 dc_quant >> (xd->bd - 5), &rate, &dist);
518 vp9_model_rd_from_var_lapndz(sse - var, num_pels_log2_lookup[bsize],
519 dc_quant >> 3, &rate, &dist);
520 #endif // CONFIG_VP9_HIGHBITDEPTH
524 *out_rate_sum = rate >> 1;
525 *out_dist_sum = dist << 3;
528 *out_dist_sum = (sse - var) << 4;
531 #if CONFIG_VP9_HIGHBITDEPTH
532 vp9_model_rd_from_var_lapndz(var, num_pels_log2_lookup[bsize],
533 ac_quant >> (xd->bd - 5), &rate, &dist);
535 vp9_model_rd_from_var_lapndz(var, num_pels_log2_lookup[bsize], ac_quant >> 3,
537 #endif // CONFIG_VP9_HIGHBITDEPTH
539 *out_rate_sum += rate;
540 *out_dist_sum += dist << 4;
543 static void model_rd_for_sb_y(VP9_COMP *cpi, BLOCK_SIZE bsize, MACROBLOCK *x,
544 MACROBLOCKD *xd, int *out_rate_sum,
545 int64_t *out_dist_sum, unsigned int *var_y,
546 unsigned int *sse_y) {
547 // Note our transform coeffs are 8 times an orthogonal transform.
548 // Hence quantizer step is also 8 times. To get effective quantizer
549 // we need to divide by 8 before sending to modeling function.
553 struct macroblock_plane *const p = &x->plane[0];
554 struct macroblockd_plane *const pd = &xd->plane[0];
555 const int64_t dc_thr = p->quant_thred[0] >> 6;
556 const int64_t ac_thr = p->quant_thred[1] >> 6;
557 const uint32_t dc_quant = pd->dequant[0];
558 const uint32_t ac_quant = pd->dequant[1];
559 unsigned int var = cpi->fn_ptr[bsize].vf(p->src.buf, p->src.stride,
560 pd->dst.buf, pd->dst.stride, &sse);
566 if (cpi->common.tx_mode == TX_MODE_SELECT) {
567 if (sse > (var << 2))
569 VPXMIN(max_txsize_lookup[bsize],
570 tx_mode_to_biggest_tx_size[cpi->common.tx_mode]);
572 xd->mi[0]->tx_size = TX_8X8;
574 if (cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ &&
575 cyclic_refresh_segment_id_boosted(xd->mi[0]->segment_id))
576 xd->mi[0]->tx_size = TX_8X8;
577 else if (xd->mi[0]->tx_size > TX_16X16)
578 xd->mi[0]->tx_size = TX_16X16;
581 VPXMIN(max_txsize_lookup[bsize],
582 tx_mode_to_biggest_tx_size[cpi->common.tx_mode]);
585 // Evaluate if the partition block is a skippable block in Y plane.
587 const BLOCK_SIZE unit_size = txsize_to_bsize[xd->mi[0]->tx_size];
588 const unsigned int num_blk_log2 =
589 (b_width_log2_lookup[bsize] - b_width_log2_lookup[unit_size]) +
590 (b_height_log2_lookup[bsize] - b_height_log2_lookup[unit_size]);
591 const unsigned int sse_tx = sse >> num_blk_log2;
592 const unsigned int var_tx = var >> num_blk_log2;
594 x->skip_txfm[0] = SKIP_TXFM_NONE;
595 // Check if all ac coefficients can be quantized to zero.
596 if (var_tx < ac_thr || var == 0) {
597 x->skip_txfm[0] = SKIP_TXFM_AC_ONLY;
598 // Check if dc coefficient can be quantized to zero.
599 if (sse_tx - var_tx < dc_thr || sse == var)
600 x->skip_txfm[0] = SKIP_TXFM_AC_DC;
602 if (sse_tx - var_tx < dc_thr || sse == var) skip_dc = 1;
606 if (x->skip_txfm[0] == SKIP_TXFM_AC_DC) {
608 *out_dist_sum = sse << 4;
613 #if CONFIG_VP9_HIGHBITDEPTH
614 vp9_model_rd_from_var_lapndz(sse - var, num_pels_log2_lookup[bsize],
615 dc_quant >> (xd->bd - 5), &rate, &dist);
617 vp9_model_rd_from_var_lapndz(sse - var, num_pels_log2_lookup[bsize],
618 dc_quant >> 3, &rate, &dist);
619 #endif // CONFIG_VP9_HIGHBITDEPTH
623 *out_rate_sum = rate >> 1;
624 *out_dist_sum = dist << 3;
627 *out_dist_sum = (sse - var) << 4;
630 #if CONFIG_VP9_HIGHBITDEPTH
631 vp9_model_rd_from_var_lapndz(var, num_pels_log2_lookup[bsize],
632 ac_quant >> (xd->bd - 5), &rate, &dist);
634 vp9_model_rd_from_var_lapndz(var, num_pels_log2_lookup[bsize], ac_quant >> 3,
636 #endif // CONFIG_VP9_HIGHBITDEPTH
638 *out_rate_sum += rate;
639 *out_dist_sum += dist << 4;
642 static void block_yrd(VP9_COMP *cpi, MACROBLOCK *x, RD_COST *this_rdc,
643 int *skippable, int64_t *sse, BLOCK_SIZE bsize,
644 TX_SIZE tx_size, int rd_computed) {
645 MACROBLOCKD *xd = &x->e_mbd;
646 const struct macroblockd_plane *pd = &xd->plane[0];
647 struct macroblock_plane *const p = &x->plane[0];
648 const int num_4x4_w = num_4x4_blocks_wide_lookup[bsize];
649 const int num_4x4_h = num_4x4_blocks_high_lookup[bsize];
650 const int step = 1 << (tx_size << 1);
651 const int block_step = (1 << tx_size);
653 const int max_blocks_wide =
654 num_4x4_w + (xd->mb_to_right_edge >= 0 ? 0 : xd->mb_to_right_edge >> 5);
655 const int max_blocks_high =
656 num_4x4_h + (xd->mb_to_bottom_edge >= 0 ? 0 : xd->mb_to_bottom_edge >> 5);
658 const int bw = 4 * num_4x4_w;
659 const int bh = 4 * num_4x4_h;
661 #if CONFIG_VP9_HIGHBITDEPTH
662 // TODO(jingning): Implement the high bit-depth Hadamard transforms and
663 // remove this check condition.
664 // TODO(marpan): Use this path (model_rd) for 8bit under certain conditions
665 // for now, as the vp9_quantize_fp below for highbitdepth build is slow.
667 (cpi->oxcf.speed > 5 && cpi->common.frame_type != KEY_FRAME &&
668 bsize < BLOCK_32X32)) {
669 unsigned int var_y, sse_y;
672 model_rd_for_sb_y(cpi, bsize, x, xd, &this_rdc->rate, &this_rdc->dist,
680 if (cpi->sf.use_simple_block_yrd && cpi->common.frame_type != KEY_FRAME &&
681 (bsize < BLOCK_32X32 ||
683 (bsize < BLOCK_32X32 || cpi->svc.temporal_layer_id > 0)))) {
684 unsigned int var_y, sse_y;
687 model_rd_for_sb_y(cpi, bsize, x, xd, &this_rdc->rate, &this_rdc->dist,
696 // The max tx_size passed in is TX_16X16.
697 assert(tx_size != TX_32X32);
699 vpx_subtract_block(bh, bw, p->src_diff, bw, p->src.buf, p->src.stride,
700 pd->dst.buf, pd->dst.stride);
702 // Keep track of the row and column of the blocks we use so that we know
703 // if we are in the unrestricted motion border.
704 for (r = 0; r < max_blocks_high; r += block_step) {
705 for (c = 0; c < num_4x4_w; c += block_step) {
706 if (c < max_blocks_wide) {
707 const scan_order *const scan_order = &vp9_default_scan_orders[tx_size];
708 tran_low_t *const coeff = BLOCK_OFFSET(p->coeff, block);
709 tran_low_t *const qcoeff = BLOCK_OFFSET(p->qcoeff, block);
710 tran_low_t *const dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block);
711 uint16_t *const eob = &p->eobs[block];
712 const int diff_stride = bw;
713 const int16_t *src_diff;
714 src_diff = &p->src_diff[(r * diff_stride + c) << 2];
718 vpx_hadamard_16x16(src_diff, diff_stride, coeff);
719 vp9_quantize_fp(coeff, 256, x->skip_block, p->round_fp, p->quant_fp,
720 qcoeff, dqcoeff, pd->dequant, eob, scan_order->scan,
724 vpx_hadamard_8x8(src_diff, diff_stride, coeff);
725 vp9_quantize_fp(coeff, 64, x->skip_block, p->round_fp, p->quant_fp,
726 qcoeff, dqcoeff, pd->dequant, eob, scan_order->scan,
730 x->fwd_txfm4x4(src_diff, coeff, diff_stride);
731 vp9_quantize_fp(coeff, 16, x->skip_block, p->round_fp, p->quant_fp,
732 qcoeff, dqcoeff, pd->dequant, eob, scan_order->scan,
735 default: assert(0); break;
737 *skippable &= (*eob == 0);
745 if (*sse < INT64_MAX) {
746 *sse = (*sse << 6) >> 2;
748 this_rdc->dist = *sse;
755 for (r = 0; r < max_blocks_high; r += block_step) {
756 for (c = 0; c < num_4x4_w; c += block_step) {
757 if (c < max_blocks_wide) {
758 tran_low_t *const coeff = BLOCK_OFFSET(p->coeff, block);
759 tran_low_t *const qcoeff = BLOCK_OFFSET(p->qcoeff, block);
760 tran_low_t *const dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block);
761 uint16_t *const eob = &p->eobs[block];
764 this_rdc->rate += (int)abs(qcoeff[0]);
766 this_rdc->rate += vpx_satd(qcoeff, step << 4);
768 this_rdc->dist += vp9_block_error_fp(coeff, dqcoeff, step << 4) >> 2;
774 // If skippable is set, rate gets clobbered later.
775 this_rdc->rate <<= (2 + VP9_PROB_COST_SHIFT);
776 this_rdc->rate += (eob_cost << VP9_PROB_COST_SHIFT);
779 static void model_rd_for_sb_uv(VP9_COMP *cpi, BLOCK_SIZE plane_bsize,
780 MACROBLOCK *x, MACROBLOCKD *xd,
781 RD_COST *this_rdc, unsigned int *var_y,
782 unsigned int *sse_y, int start_plane,
784 // Note our transform coeffs are 8 times an orthogonal transform.
785 // Hence quantizer step is also 8 times. To get effective quantizer
786 // we need to divide by 8 before sending to modeling function.
791 #if CONFIG_VP9_HIGHBITDEPTH
792 uint64_t tot_var = *var_y;
793 uint64_t tot_sse = *sse_y;
795 uint32_t tot_var = *var_y;
796 uint32_t tot_sse = *sse_y;
802 for (i = start_plane; i <= stop_plane; ++i) {
803 struct macroblock_plane *const p = &x->plane[i];
804 struct macroblockd_plane *const pd = &xd->plane[i];
805 const uint32_t dc_quant = pd->dequant[0];
806 const uint32_t ac_quant = pd->dequant[1];
807 const BLOCK_SIZE bs = plane_bsize;
809 if (!x->color_sensitivity[i - 1]) continue;
811 var = cpi->fn_ptr[bs].vf(p->src.buf, p->src.stride, pd->dst.buf,
812 pd->dst.stride, &sse);
817 #if CONFIG_VP9_HIGHBITDEPTH
818 vp9_model_rd_from_var_lapndz(sse - var, num_pels_log2_lookup[bs],
819 dc_quant >> (xd->bd - 5), &rate, &dist);
821 vp9_model_rd_from_var_lapndz(sse - var, num_pels_log2_lookup[bs],
822 dc_quant >> 3, &rate, &dist);
823 #endif // CONFIG_VP9_HIGHBITDEPTH
825 this_rdc->rate += rate >> 1;
826 this_rdc->dist += dist << 3;
828 #if CONFIG_VP9_HIGHBITDEPTH
829 vp9_model_rd_from_var_lapndz(var, num_pels_log2_lookup[bs],
830 ac_quant >> (xd->bd - 5), &rate, &dist);
832 vp9_model_rd_from_var_lapndz(var, num_pels_log2_lookup[bs], ac_quant >> 3,
834 #endif // CONFIG_VP9_HIGHBITDEPTH
836 this_rdc->rate += rate;
837 this_rdc->dist += dist << 4;
840 #if CONFIG_VP9_HIGHBITDEPTH
841 *var_y = tot_var > UINT32_MAX ? UINT32_MAX : (uint32_t)tot_var;
842 *sse_y = tot_sse > UINT32_MAX ? UINT32_MAX : (uint32_t)tot_sse;
849 static int get_pred_buffer(PRED_BUFFER *p, int len) {
852 for (i = 0; i < len; i++) {
861 static void free_pred_buffer(PRED_BUFFER *p) {
862 if (p != NULL) p->in_use = 0;
865 static void encode_breakout_test(
866 VP9_COMP *cpi, MACROBLOCK *x, BLOCK_SIZE bsize, int mi_row, int mi_col,
867 MV_REFERENCE_FRAME ref_frame, PREDICTION_MODE this_mode, unsigned int var_y,
868 unsigned int sse_y, struct buf_2d yv12_mb[][MAX_MB_PLANE], int *rate,
869 int64_t *dist, int *flag_preduv_computed) {
870 MACROBLOCKD *xd = &x->e_mbd;
871 MODE_INFO *const mi = xd->mi[0];
872 const BLOCK_SIZE uv_size = get_plane_block_size(bsize, &xd->plane[1]);
873 unsigned int var = var_y, sse = sse_y;
874 // Skipping threshold for ac.
875 unsigned int thresh_ac;
876 // Skipping threshold for dc.
877 unsigned int thresh_dc;
879 if (cpi->use_svc && ref_frame == GOLDEN_FRAME) return;
880 if (mi->mv[0].as_mv.row > 64 || mi->mv[0].as_mv.row < -64 ||
881 mi->mv[0].as_mv.col > 64 || mi->mv[0].as_mv.col < -64)
883 if (x->encode_breakout > 0 && motion_low == 1) {
884 // Set a maximum for threshold to avoid big PSNR loss in low bit rate
885 // case. Use extreme low threshold for static frames to limit
887 const unsigned int max_thresh = 36000;
888 // The encode_breakout input
889 const unsigned int min_thresh =
890 VPXMIN(((unsigned int)x->encode_breakout << 4), max_thresh);
891 #if CONFIG_VP9_HIGHBITDEPTH
892 const int shift = (xd->bd << 1) - 16;
895 // Calculate threshold according to dequant value.
896 thresh_ac = (xd->plane[0].dequant[1] * xd->plane[0].dequant[1]) >> 3;
897 #if CONFIG_VP9_HIGHBITDEPTH
898 if ((xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) && shift > 0) {
899 thresh_ac = ROUND_POWER_OF_TWO(thresh_ac, shift);
901 #endif // CONFIG_VP9_HIGHBITDEPTH
902 thresh_ac = clamp(thresh_ac, min_thresh, max_thresh);
904 // Adjust ac threshold according to partition size.
906 8 - (b_width_log2_lookup[bsize] + b_height_log2_lookup[bsize]);
908 thresh_dc = (xd->plane[0].dequant[0] * xd->plane[0].dequant[0] >> 6);
909 #if CONFIG_VP9_HIGHBITDEPTH
910 if ((xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) && shift > 0) {
911 thresh_dc = ROUND_POWER_OF_TWO(thresh_dc, shift);
913 #endif // CONFIG_VP9_HIGHBITDEPTH
919 // Y skipping condition checking for ac and dc.
920 if (var <= thresh_ac && (sse - var) <= thresh_dc) {
921 unsigned int sse_u, sse_v;
922 unsigned int var_u, var_v;
923 unsigned int thresh_ac_uv = thresh_ac;
924 unsigned int thresh_dc_uv = thresh_dc;
930 if (!flag_preduv_computed[0] || !flag_preduv_computed[1]) {
931 xd->plane[1].pre[0] = yv12_mb[ref_frame][1];
932 xd->plane[2].pre[0] = yv12_mb[ref_frame][2];
933 vp9_build_inter_predictors_sbuv(xd, mi_row, mi_col, bsize);
936 var_u = cpi->fn_ptr[uv_size].vf(x->plane[1].src.buf, x->plane[1].src.stride,
937 xd->plane[1].dst.buf,
938 xd->plane[1].dst.stride, &sse_u);
940 // U skipping condition checking
941 if (((var_u << 2) <= thresh_ac_uv) && (sse_u - var_u <= thresh_dc_uv)) {
942 var_v = cpi->fn_ptr[uv_size].vf(
943 x->plane[2].src.buf, x->plane[2].src.stride, xd->plane[2].dst.buf,
944 xd->plane[2].dst.stride, &sse_v);
946 // V skipping condition checking
947 if (((var_v << 2) <= thresh_ac_uv) && (sse_v - var_v <= thresh_dc_uv)) {
950 // The cost of skip bit needs to be added.
951 *rate = cpi->inter_mode_cost[x->mbmi_ext->mode_context[ref_frame]]
952 [INTER_OFFSET(this_mode)];
954 // More on this part of rate
955 // rate += vp9_cost_bit(vp9_get_skip_prob(cm, xd), 1);
957 // Scaling factor for SSE from spatial domain to frequency
958 // domain is 16. Adjust distortion accordingly.
959 // TODO(yunqingwang): In this function, only y-plane dist is
961 *dist = (sse << 4); // + ((sse_u + sse_v) << 4);
963 // *disable_skip = 1;
969 struct estimate_block_intra_args {
972 PREDICTION_MODE mode;
977 static void estimate_block_intra(int plane, int block, int row, int col,
978 BLOCK_SIZE plane_bsize, TX_SIZE tx_size,
980 struct estimate_block_intra_args *const args = arg;
981 VP9_COMP *const cpi = args->cpi;
982 MACROBLOCK *const x = args->x;
983 MACROBLOCKD *const xd = &x->e_mbd;
984 struct macroblock_plane *const p = &x->plane[0];
985 struct macroblockd_plane *const pd = &xd->plane[0];
986 const BLOCK_SIZE bsize_tx = txsize_to_bsize[tx_size];
987 uint8_t *const src_buf_base = p->src.buf;
988 uint8_t *const dst_buf_base = pd->dst.buf;
989 const int src_stride = p->src.stride;
990 const int dst_stride = pd->dst.stride;
995 p->src.buf = &src_buf_base[4 * (row * src_stride + col)];
996 pd->dst.buf = &dst_buf_base[4 * (row * dst_stride + col)];
997 // Use source buffer as an approximation for the fully reconstructed buffer.
998 vp9_predict_intra_block(xd, b_width_log2_lookup[plane_bsize], tx_size,
999 args->mode, x->skip_encode ? p->src.buf : pd->dst.buf,
1000 x->skip_encode ? src_stride : dst_stride, pd->dst.buf,
1001 dst_stride, col, row, plane);
1004 int64_t this_sse = INT64_MAX;
1005 // TODO(jingning): This needs further refactoring.
1006 block_yrd(cpi, x, &this_rdc, &args->skippable, &this_sse, bsize_tx,
1007 VPXMIN(tx_size, TX_16X16), 0);
1009 unsigned int var = 0;
1010 unsigned int sse = 0;
1011 model_rd_for_sb_uv(cpi, plane_bsize, x, xd, &this_rdc, &var, &sse, plane,
1015 p->src.buf = src_buf_base;
1016 pd->dst.buf = dst_buf_base;
1017 args->rdc->rate += this_rdc.rate;
1018 args->rdc->dist += this_rdc.dist;
1021 static const THR_MODES mode_idx[MAX_REF_FRAMES][4] = {
1022 { THR_DC, THR_V_PRED, THR_H_PRED, THR_TM },
1023 { THR_NEARESTMV, THR_NEARMV, THR_ZEROMV, THR_NEWMV },
1024 { THR_NEARESTG, THR_NEARG, THR_ZEROG, THR_NEWG },
1025 { THR_NEARESTA, THR_NEARA, THR_ZEROA, THR_NEWA },
1028 static const PREDICTION_MODE intra_mode_list[] = { DC_PRED, V_PRED, H_PRED,
1031 static int mode_offset(const PREDICTION_MODE mode) {
1032 if (mode >= NEARESTMV) {
1033 return INTER_OFFSET(mode);
1036 case DC_PRED: return 0;
1037 case V_PRED: return 1;
1038 case H_PRED: return 2;
1039 case TM_PRED: return 3;
1045 static INLINE int rd_less_than_thresh_row_mt(int64_t best_rd, int thresh,
1046 const int *const thresh_fact) {
1047 int is_rd_less_than_thresh;
1048 is_rd_less_than_thresh =
1049 best_rd < ((int64_t)thresh * (*thresh_fact) >> 5) || thresh == INT_MAX;
1050 return is_rd_less_than_thresh;
1053 static INLINE void update_thresh_freq_fact_row_mt(
1054 VP9_COMP *cpi, TileDataEnc *tile_data, int source_variance,
1055 int thresh_freq_fact_idx, MV_REFERENCE_FRAME ref_frame,
1056 THR_MODES best_mode_idx, PREDICTION_MODE mode) {
1057 THR_MODES thr_mode_idx = mode_idx[ref_frame][mode_offset(mode)];
1058 int freq_fact_idx = thresh_freq_fact_idx + thr_mode_idx;
1059 int *freq_fact = &tile_data->row_base_thresh_freq_fact[freq_fact_idx];
1060 if (thr_mode_idx == best_mode_idx)
1061 *freq_fact -= (*freq_fact >> 4);
1062 else if (cpi->sf.limit_newmv_early_exit && mode == NEWMV &&
1063 ref_frame == LAST_FRAME && source_variance < 5) {
1064 *freq_fact = VPXMIN(*freq_fact + RD_THRESH_INC, 32);
1066 *freq_fact = VPXMIN(*freq_fact + RD_THRESH_INC,
1067 cpi->sf.adaptive_rd_thresh * RD_THRESH_MAX_FACT);
1071 static INLINE void update_thresh_freq_fact(
1072 VP9_COMP *cpi, TileDataEnc *tile_data, int source_variance,
1073 BLOCK_SIZE bsize, MV_REFERENCE_FRAME ref_frame, THR_MODES best_mode_idx,
1074 PREDICTION_MODE mode) {
1075 THR_MODES thr_mode_idx = mode_idx[ref_frame][mode_offset(mode)];
1076 int *freq_fact = &tile_data->thresh_freq_fact[bsize][thr_mode_idx];
1077 if (thr_mode_idx == best_mode_idx)
1078 *freq_fact -= (*freq_fact >> 4);
1079 else if (cpi->sf.limit_newmv_early_exit && mode == NEWMV &&
1080 ref_frame == LAST_FRAME && source_variance < 5) {
1081 *freq_fact = VPXMIN(*freq_fact + RD_THRESH_INC, 32);
1083 *freq_fact = VPXMIN(*freq_fact + RD_THRESH_INC,
1084 cpi->sf.adaptive_rd_thresh * RD_THRESH_MAX_FACT);
1088 void vp9_pick_intra_mode(VP9_COMP *cpi, MACROBLOCK *x, RD_COST *rd_cost,
1089 BLOCK_SIZE bsize, PICK_MODE_CONTEXT *ctx) {
1090 MACROBLOCKD *const xd = &x->e_mbd;
1091 MODE_INFO *const mi = xd->mi[0];
1092 RD_COST this_rdc, best_rdc;
1093 PREDICTION_MODE this_mode;
1094 struct estimate_block_intra_args args = { cpi, x, DC_PRED, 1, 0 };
1095 const TX_SIZE intra_tx_size =
1096 VPXMIN(max_txsize_lookup[bsize],
1097 tx_mode_to_biggest_tx_size[cpi->common.tx_mode]);
1098 MODE_INFO *const mic = xd->mi[0];
1100 const MODE_INFO *above_mi = xd->above_mi;
1101 const MODE_INFO *left_mi = xd->left_mi;
1102 const PREDICTION_MODE A = vp9_above_block_mode(mic, above_mi, 0);
1103 const PREDICTION_MODE L = vp9_left_block_mode(mic, left_mi, 0);
1104 bmode_costs = cpi->y_mode_costs[A][L];
1107 vp9_rd_cost_reset(&best_rdc);
1108 vp9_rd_cost_reset(&this_rdc);
1110 mi->ref_frame[0] = INTRA_FRAME;
1111 // Initialize interp_filter here so we do not have to check for inter block
1112 // modes in get_pred_context_switchable_interp()
1113 mi->interp_filter = SWITCHABLE_FILTERS;
1115 mi->mv[0].as_int = INVALID_MV;
1116 mi->uv_mode = DC_PRED;
1117 memset(x->skip_txfm, 0, sizeof(x->skip_txfm));
1119 // Change the limit of this loop to add other intra prediction
1121 for (this_mode = DC_PRED; this_mode <= H_PRED; ++this_mode) {
1122 this_rdc.dist = this_rdc.rate = 0;
1123 args.mode = this_mode;
1125 args.rdc = &this_rdc;
1126 mi->tx_size = intra_tx_size;
1127 vp9_foreach_transformed_block_in_plane(xd, bsize, 0, estimate_block_intra,
1129 if (args.skippable) {
1130 x->skip_txfm[0] = SKIP_TXFM_AC_DC;
1131 this_rdc.rate = vp9_cost_bit(vp9_get_skip_prob(&cpi->common, xd), 1);
1133 x->skip_txfm[0] = SKIP_TXFM_NONE;
1134 this_rdc.rate += vp9_cost_bit(vp9_get_skip_prob(&cpi->common, xd), 0);
1136 this_rdc.rate += bmode_costs[this_mode];
1137 this_rdc.rdcost = RDCOST(x->rdmult, x->rddiv, this_rdc.rate, this_rdc.dist);
1139 if (this_rdc.rdcost < best_rdc.rdcost) {
1140 best_rdc = this_rdc;
1141 mi->mode = this_mode;
1145 *rd_cost = best_rdc;
1148 static void init_ref_frame_cost(VP9_COMMON *const cm, MACROBLOCKD *const xd,
1149 int ref_frame_cost[MAX_REF_FRAMES]) {
1150 vpx_prob intra_inter_p = vp9_get_intra_inter_prob(cm, xd);
1151 vpx_prob ref_single_p1 = vp9_get_pred_prob_single_ref_p1(cm, xd);
1152 vpx_prob ref_single_p2 = vp9_get_pred_prob_single_ref_p2(cm, xd);
1154 ref_frame_cost[INTRA_FRAME] = vp9_cost_bit(intra_inter_p, 0);
1155 ref_frame_cost[LAST_FRAME] = ref_frame_cost[GOLDEN_FRAME] =
1156 ref_frame_cost[ALTREF_FRAME] = vp9_cost_bit(intra_inter_p, 1);
1158 ref_frame_cost[LAST_FRAME] += vp9_cost_bit(ref_single_p1, 0);
1159 ref_frame_cost[GOLDEN_FRAME] += vp9_cost_bit(ref_single_p1, 1);
1160 ref_frame_cost[ALTREF_FRAME] += vp9_cost_bit(ref_single_p1, 1);
1161 ref_frame_cost[GOLDEN_FRAME] += vp9_cost_bit(ref_single_p2, 0);
1162 ref_frame_cost[ALTREF_FRAME] += vp9_cost_bit(ref_single_p2, 1);
1166 MV_REFERENCE_FRAME ref_frame;
1167 PREDICTION_MODE pred_mode;
1170 #define RT_INTER_MODES 12
1171 static const REF_MODE ref_mode_set[RT_INTER_MODES] = {
1172 { LAST_FRAME, ZEROMV }, { LAST_FRAME, NEARESTMV },
1173 { GOLDEN_FRAME, ZEROMV }, { LAST_FRAME, NEARMV },
1174 { LAST_FRAME, NEWMV }, { GOLDEN_FRAME, NEARESTMV },
1175 { GOLDEN_FRAME, NEARMV }, { GOLDEN_FRAME, NEWMV },
1176 { ALTREF_FRAME, ZEROMV }, { ALTREF_FRAME, NEARESTMV },
1177 { ALTREF_FRAME, NEARMV }, { ALTREF_FRAME, NEWMV }
1180 #define RT_INTER_MODES_SVC 8
1181 static const REF_MODE ref_mode_set_svc[RT_INTER_MODES_SVC] = {
1182 { LAST_FRAME, ZEROMV }, { LAST_FRAME, NEARESTMV },
1183 { LAST_FRAME, NEARMV }, { GOLDEN_FRAME, ZEROMV },
1184 { GOLDEN_FRAME, NEARESTMV }, { GOLDEN_FRAME, NEARMV },
1185 { LAST_FRAME, NEWMV }, { GOLDEN_FRAME, NEWMV }
1188 static INLINE void find_predictors(
1189 VP9_COMP *cpi, MACROBLOCK *x, MV_REFERENCE_FRAME ref_frame,
1190 int_mv frame_mv[MB_MODE_COUNT][MAX_REF_FRAMES],
1191 int const_motion[MAX_REF_FRAMES], int *ref_frame_skip_mask,
1192 const int flag_list[4], TileDataEnc *tile_data, int mi_row, int mi_col,
1193 struct buf_2d yv12_mb[4][MAX_MB_PLANE], BLOCK_SIZE bsize,
1194 int force_skip_low_temp_var, int comp_pred_allowed) {
1195 VP9_COMMON *const cm = &cpi->common;
1196 MACROBLOCKD *const xd = &x->e_mbd;
1197 const YV12_BUFFER_CONFIG *yv12 = get_ref_frame_buffer(cpi, ref_frame);
1198 TileInfo *const tile_info = &tile_data->tile_info;
1199 // TODO(jingning) placeholder for inter-frame non-RD mode decision.
1200 x->pred_mv_sad[ref_frame] = INT_MAX;
1201 frame_mv[NEWMV][ref_frame].as_int = INVALID_MV;
1202 frame_mv[ZEROMV][ref_frame].as_int = 0;
1203 // this needs various further optimizations. to be continued..
1204 if ((cpi->ref_frame_flags & flag_list[ref_frame]) && (yv12 != NULL)) {
1205 int_mv *const candidates = x->mbmi_ext->ref_mvs[ref_frame];
1206 const struct scale_factors *const sf = &cm->frame_refs[ref_frame - 1].sf;
1207 vp9_setup_pred_block(xd, yv12_mb[ref_frame], yv12, mi_row, mi_col, sf, sf);
1208 if (cm->use_prev_frame_mvs || comp_pred_allowed) {
1209 vp9_find_mv_refs(cm, xd, xd->mi[0], ref_frame, candidates, mi_row, mi_col,
1210 x->mbmi_ext->mode_context);
1212 const_motion[ref_frame] =
1213 mv_refs_rt(cpi, cm, x, xd, tile_info, xd->mi[0], ref_frame,
1214 candidates, &frame_mv[NEWMV][ref_frame], mi_row, mi_col,
1215 (int)(cpi->svc.use_base_mv && cpi->svc.spatial_layer_id));
1217 vp9_find_best_ref_mvs(xd, cm->allow_high_precision_mv, candidates,
1218 &frame_mv[NEARESTMV][ref_frame],
1219 &frame_mv[NEARMV][ref_frame]);
1220 // Early exit for golden frame if force_skip_low_temp_var is set.
1221 if (!vp9_is_scaled(sf) && bsize >= BLOCK_8X8 &&
1222 !(force_skip_low_temp_var && ref_frame == GOLDEN_FRAME)) {
1223 vp9_mv_pred(cpi, x, yv12_mb[ref_frame][0].buf, yv12->y_stride, ref_frame,
1227 *ref_frame_skip_mask |= (1 << ref_frame);
1231 static void vp9_NEWMV_diff_bias(const NOISE_ESTIMATE *ne, MACROBLOCKD *xd,
1232 PREDICTION_MODE this_mode, RD_COST *this_rdc,
1233 BLOCK_SIZE bsize, int mv_row, int mv_col,
1234 int is_last_frame, int lowvar_highsumdiff,
1236 // Bias against MVs associated with NEWMV mode that are very different from
1237 // top/left neighbors.
1238 if (this_mode == NEWMV) {
1239 int al_mv_average_row;
1240 int al_mv_average_col;
1241 int left_row, left_col;
1242 int row_diff, col_diff;
1243 int above_mv_valid = 0;
1244 int left_mv_valid = 0;
1249 above_mv_valid = xd->above_mi->mv[0].as_int != INVALID_MV;
1250 above_row = xd->above_mi->mv[0].as_mv.row;
1251 above_col = xd->above_mi->mv[0].as_mv.col;
1254 left_mv_valid = xd->left_mi->mv[0].as_int != INVALID_MV;
1255 left_row = xd->left_mi->mv[0].as_mv.row;
1256 left_col = xd->left_mi->mv[0].as_mv.col;
1258 if (above_mv_valid && left_mv_valid) {
1259 al_mv_average_row = (above_row + left_row + 1) >> 1;
1260 al_mv_average_col = (above_col + left_col + 1) >> 1;
1261 } else if (above_mv_valid) {
1262 al_mv_average_row = above_row;
1263 al_mv_average_col = above_col;
1264 } else if (left_mv_valid) {
1265 al_mv_average_row = left_row;
1266 al_mv_average_col = left_col;
1268 al_mv_average_row = al_mv_average_col = 0;
1270 row_diff = (al_mv_average_row - mv_row);
1271 col_diff = (al_mv_average_col - mv_col);
1272 if (row_diff > 48 || row_diff < -48 || col_diff > 48 || col_diff < -48) {
1273 if (bsize > BLOCK_32X32)
1274 this_rdc->rdcost = this_rdc->rdcost << 1;
1276 this_rdc->rdcost = 3 * this_rdc->rdcost >> 1;
1279 // If noise estimation is enabled, and estimated level is above threshold,
1280 // add a bias to LAST reference with small motion, for large blocks.
1281 if (ne->enabled && ne->level >= kMedium && bsize >= BLOCK_32X32 &&
1282 is_last_frame && mv_row < 8 && mv_row > -8 && mv_col < 8 && mv_col > -8)
1283 this_rdc->rdcost = 7 * (this_rdc->rdcost >> 3);
1284 else if (lowvar_highsumdiff && !is_skin && bsize >= BLOCK_16X16 &&
1285 is_last_frame && mv_row < 16 && mv_row > -16 && mv_col < 16 &&
1287 this_rdc->rdcost = 7 * (this_rdc->rdcost >> 3);
1290 #if CONFIG_VP9_TEMPORAL_DENOISING
1291 static void vp9_pickmode_ctx_den_update(
1292 VP9_PICKMODE_CTX_DEN *ctx_den, int64_t zero_last_cost_orig,
1293 int ref_frame_cost[MAX_REF_FRAMES],
1294 int_mv frame_mv[MB_MODE_COUNT][MAX_REF_FRAMES], int reuse_inter_pred,
1295 TX_SIZE best_tx_size, PREDICTION_MODE best_mode,
1296 MV_REFERENCE_FRAME best_ref_frame, INTERP_FILTER best_pred_filter,
1297 uint8_t best_mode_skip_txfm) {
1298 ctx_den->zero_last_cost_orig = zero_last_cost_orig;
1299 ctx_den->ref_frame_cost = ref_frame_cost;
1300 ctx_den->frame_mv = frame_mv;
1301 ctx_den->reuse_inter_pred = reuse_inter_pred;
1302 ctx_den->best_tx_size = best_tx_size;
1303 ctx_den->best_mode = best_mode;
1304 ctx_den->best_ref_frame = best_ref_frame;
1305 ctx_den->best_pred_filter = best_pred_filter;
1306 ctx_den->best_mode_skip_txfm = best_mode_skip_txfm;
1309 static void recheck_zeromv_after_denoising(
1310 VP9_COMP *cpi, MODE_INFO *const mi, MACROBLOCK *x, MACROBLOCKD *const xd,
1311 VP9_DENOISER_DECISION decision, VP9_PICKMODE_CTX_DEN *ctx_den,
1312 struct buf_2d yv12_mb[4][MAX_MB_PLANE], RD_COST *best_rdc, BLOCK_SIZE bsize,
1313 int mi_row, int mi_col) {
1314 // If INTRA or GOLDEN reference was selected, re-evaluate ZEROMV on
1315 // denoised result. Only do this under noise conditions, and if rdcost of
1316 // ZEROMV onoriginal source is not significantly higher than rdcost of best
1318 if (cpi->noise_estimate.enabled && cpi->noise_estimate.level > kLow &&
1319 ctx_den->zero_last_cost_orig < (best_rdc->rdcost << 3) &&
1320 ((ctx_den->best_ref_frame == INTRA_FRAME && decision >= FILTER_BLOCK) ||
1321 (ctx_den->best_ref_frame == GOLDEN_FRAME &&
1322 cpi->svc.number_spatial_layers == 1 &&
1323 decision == FILTER_ZEROMV_BLOCK))) {
1324 // Check if we should pick ZEROMV on denoised signal.
1327 uint32_t var_y = UINT_MAX;
1328 uint32_t sse_y = UINT_MAX;
1331 mi->ref_frame[0] = LAST_FRAME;
1332 mi->ref_frame[1] = NONE;
1333 mi->mv[0].as_int = 0;
1334 mi->interp_filter = EIGHTTAP;
1335 xd->plane[0].pre[0] = yv12_mb[LAST_FRAME][0];
1336 vp9_build_inter_predictors_sby(xd, mi_row, mi_col, bsize);
1337 model_rd_for_sb_y(cpi, bsize, x, xd, &rate, &dist, &var_y, &sse_y);
1338 this_rdc.rate = rate + ctx_den->ref_frame_cost[LAST_FRAME] +
1339 cpi->inter_mode_cost[x->mbmi_ext->mode_context[LAST_FRAME]]
1340 [INTER_OFFSET(ZEROMV)];
1341 this_rdc.dist = dist;
1342 this_rdc.rdcost = RDCOST(x->rdmult, x->rddiv, rate, dist);
1343 // Don't switch to ZEROMV if the rdcost for ZEROMV on denoised source
1344 // is higher than best_ref mode (on original source).
1345 if (this_rdc.rdcost > best_rdc->rdcost) {
1346 this_rdc = *best_rdc;
1347 mi->mode = ctx_den->best_mode;
1348 mi->ref_frame[0] = ctx_den->best_ref_frame;
1349 mi->interp_filter = ctx_den->best_pred_filter;
1350 if (ctx_den->best_ref_frame == INTRA_FRAME) {
1351 mi->mv[0].as_int = INVALID_MV;
1352 mi->interp_filter = SWITCHABLE_FILTERS;
1353 } else if (ctx_den->best_ref_frame == GOLDEN_FRAME) {
1355 ctx_den->frame_mv[ctx_den->best_mode][ctx_den->best_ref_frame]
1357 if (ctx_den->reuse_inter_pred) {
1358 xd->plane[0].pre[0] = yv12_mb[GOLDEN_FRAME][0];
1359 vp9_build_inter_predictors_sby(xd, mi_row, mi_col, bsize);
1362 mi->tx_size = ctx_den->best_tx_size;
1363 x->skip_txfm[0] = ctx_den->best_mode_skip_txfm;
1365 ctx_den->best_ref_frame = LAST_FRAME;
1366 *best_rdc = this_rdc;
1370 #endif // CONFIG_VP9_TEMPORAL_DENOISING
1372 static INLINE int get_force_skip_low_temp_var(uint8_t *variance_low, int mi_row,
1373 int mi_col, BLOCK_SIZE bsize) {
1374 const int i = (mi_row & 0x7) >> 1;
1375 const int j = (mi_col & 0x7) >> 1;
1376 int force_skip_low_temp_var = 0;
1377 // Set force_skip_low_temp_var based on the block size and block offset.
1378 if (bsize == BLOCK_64X64) {
1379 force_skip_low_temp_var = variance_low[0];
1380 } else if (bsize == BLOCK_64X32) {
1381 if (!(mi_col & 0x7) && !(mi_row & 0x7)) {
1382 force_skip_low_temp_var = variance_low[1];
1383 } else if (!(mi_col & 0x7) && (mi_row & 0x7)) {
1384 force_skip_low_temp_var = variance_low[2];
1386 } else if (bsize == BLOCK_32X64) {
1387 if (!(mi_col & 0x7) && !(mi_row & 0x7)) {
1388 force_skip_low_temp_var = variance_low[3];
1389 } else if ((mi_col & 0x7) && !(mi_row & 0x7)) {
1390 force_skip_low_temp_var = variance_low[4];
1392 } else if (bsize == BLOCK_32X32) {
1393 if (!(mi_col & 0x7) && !(mi_row & 0x7)) {
1394 force_skip_low_temp_var = variance_low[5];
1395 } else if ((mi_col & 0x7) && !(mi_row & 0x7)) {
1396 force_skip_low_temp_var = variance_low[6];
1397 } else if (!(mi_col & 0x7) && (mi_row & 0x7)) {
1398 force_skip_low_temp_var = variance_low[7];
1399 } else if ((mi_col & 0x7) && (mi_row & 0x7)) {
1400 force_skip_low_temp_var = variance_low[8];
1402 } else if (bsize == BLOCK_16X16) {
1403 force_skip_low_temp_var = variance_low[pos_shift_16x16[i][j]];
1404 } else if (bsize == BLOCK_32X16) {
1405 // The col shift index for the second 16x16 block.
1406 const int j2 = ((mi_col + 2) & 0x7) >> 1;
1407 // Only if each 16x16 block inside has low temporal variance.
1408 force_skip_low_temp_var = variance_low[pos_shift_16x16[i][j]] &&
1409 variance_low[pos_shift_16x16[i][j2]];
1410 } else if (bsize == BLOCK_16X32) {
1411 // The row shift index for the second 16x16 block.
1412 const int i2 = ((mi_row + 2) & 0x7) >> 1;
1413 force_skip_low_temp_var = variance_low[pos_shift_16x16[i][j]] &&
1414 variance_low[pos_shift_16x16[i2][j]];
1416 return force_skip_low_temp_var;
1419 void vp9_pick_inter_mode(VP9_COMP *cpi, MACROBLOCK *x, TileDataEnc *tile_data,
1420 int mi_row, int mi_col, RD_COST *rd_cost,
1421 BLOCK_SIZE bsize, PICK_MODE_CONTEXT *ctx) {
1422 VP9_COMMON *const cm = &cpi->common;
1423 SPEED_FEATURES *const sf = &cpi->sf;
1424 const SVC *const svc = &cpi->svc;
1425 MACROBLOCKD *const xd = &x->e_mbd;
1426 MODE_INFO *const mi = xd->mi[0];
1427 struct macroblockd_plane *const pd = &xd->plane[0];
1428 PREDICTION_MODE best_mode = ZEROMV;
1429 MV_REFERENCE_FRAME ref_frame, best_ref_frame = LAST_FRAME;
1430 MV_REFERENCE_FRAME usable_ref_frame, second_ref_frame;
1431 TX_SIZE best_tx_size = TX_SIZES;
1432 INTERP_FILTER best_pred_filter = EIGHTTAP;
1433 int_mv frame_mv[MB_MODE_COUNT][MAX_REF_FRAMES];
1434 uint8_t mode_checked[MB_MODE_COUNT][MAX_REF_FRAMES];
1435 struct buf_2d yv12_mb[4][MAX_MB_PLANE];
1436 static const int flag_list[4] = { 0, VP9_LAST_FLAG, VP9_GOLD_FLAG,
1438 RD_COST this_rdc, best_rdc;
1439 uint8_t skip_txfm = SKIP_TXFM_NONE, best_mode_skip_txfm = SKIP_TXFM_NONE;
1440 // var_y and sse_y are saved to be used in skipping checking
1441 unsigned int var_y = UINT_MAX;
1442 unsigned int sse_y = UINT_MAX;
1443 const int intra_cost_penalty =
1444 vp9_get_intra_cost_penalty(cpi, bsize, cm->base_qindex, cm->y_dc_delta_q);
1445 int64_t inter_mode_thresh =
1446 RDCOST(x->rdmult, x->rddiv, intra_cost_penalty, 0);
1447 const int *const rd_threshes = cpi->rd.threshes[mi->segment_id][bsize];
1448 const int sb_row = mi_row >> MI_BLOCK_SIZE_LOG2;
1449 int thresh_freq_fact_idx = (sb_row * BLOCK_SIZES + bsize) * MAX_MODES;
1450 const int *const rd_thresh_freq_fact =
1451 (cpi->sf.adaptive_rd_thresh_row_mt)
1452 ? &(tile_data->row_base_thresh_freq_fact[thresh_freq_fact_idx])
1453 : tile_data->thresh_freq_fact[bsize];
1455 INTERP_FILTER filter_ref;
1456 const int bsl = mi_width_log2_lookup[bsize];
1457 const int pred_filter_search =
1458 cm->interp_filter == SWITCHABLE
1459 ? (((mi_row + mi_col) >> bsl) +
1460 get_chessboard_index(cm->current_video_frame)) &
1463 int const_motion[MAX_REF_FRAMES] = { 0 };
1464 const int bh = num_4x4_blocks_high_lookup[bsize] << 2;
1465 const int bw = num_4x4_blocks_wide_lookup[bsize] << 2;
1466 // For speed 6, the result of interp filter is reused later in actual encoding
1468 // tmp[3] points to dst buffer, and the other 3 point to allocated buffers.
1470 DECLARE_ALIGNED(16, uint8_t, pred_buf[3 * 64 * 64]);
1471 #if CONFIG_VP9_HIGHBITDEPTH
1472 DECLARE_ALIGNED(16, uint16_t, pred_buf_16[3 * 64 * 64]);
1474 struct buf_2d orig_dst = pd->dst;
1475 PRED_BUFFER *best_pred = NULL;
1476 PRED_BUFFER *this_mode_pred = NULL;
1477 const int pixels_in_block = bh * bw;
1478 int reuse_inter_pred = cpi->sf.reuse_inter_pred_sby && ctx->pred_pixel_ready;
1479 int ref_frame_skip_mask = 0;
1481 int best_pred_sad = INT_MAX;
1482 int best_early_term = 0;
1483 int ref_frame_cost[MAX_REF_FRAMES];
1484 int svc_force_zero_mode[3] = { 0 };
1485 int perform_intra_pred = 1;
1486 int use_golden_nonzeromv = 1;
1487 int force_skip_low_temp_var = 0;
1488 int skip_ref_find_pred[4] = { 0 };
1489 unsigned int sse_zeromv_normalized = UINT_MAX;
1490 unsigned int best_sse_sofar = UINT_MAX;
1491 unsigned int thresh_svc_skip_golden = 500;
1492 #if CONFIG_VP9_TEMPORAL_DENOISING
1493 VP9_PICKMODE_CTX_DEN ctx_den;
1494 int64_t zero_last_cost_orig = INT64_MAX;
1495 int denoise_svc_pickmode = 1;
1497 INTERP_FILTER filter_gf_svc = EIGHTTAP;
1498 MV_REFERENCE_FRAME best_second_ref_frame = NONE;
1500 int num_inter_modes = (cpi->use_svc) ? RT_INTER_MODES_SVC : RT_INTER_MODES;
1501 int flag_svc_subpel = 0;
1505 init_ref_frame_cost(cm, xd, ref_frame_cost);
1507 memset(&mode_checked[0][0], 0, MB_MODE_COUNT * MAX_REF_FRAMES);
1509 if (reuse_inter_pred) {
1511 for (i = 0; i < 3; i++) {
1512 #if CONFIG_VP9_HIGHBITDEPTH
1513 if (cm->use_highbitdepth)
1514 tmp[i].data = CONVERT_TO_BYTEPTR(&pred_buf_16[pixels_in_block * i]);
1516 tmp[i].data = &pred_buf[pixels_in_block * i];
1518 tmp[i].data = &pred_buf[pixels_in_block * i];
1519 #endif // CONFIG_VP9_HIGHBITDEPTH
1523 tmp[3].data = pd->dst.buf;
1524 tmp[3].stride = pd->dst.stride;
1528 x->skip_encode = cpi->sf.skip_encode_frame && x->q_index < QIDX_SKIP_THRESH;
1531 // Instead of using vp9_get_pred_context_switchable_interp(xd) to assign
1532 // filter_ref, we use a less strict condition on assigning filter_ref.
1533 // This is to reduce the probabily of entering the flow of not assigning
1534 // filter_ref and then skip filter search.
1535 if (xd->above_mi && is_inter_block(xd->above_mi))
1536 filter_ref = xd->above_mi->interp_filter;
1537 else if (xd->left_mi && is_inter_block(xd->left_mi))
1538 filter_ref = xd->left_mi->interp_filter;
1540 filter_ref = cm->interp_filter;
1542 // initialize mode decisions
1543 vp9_rd_cost_reset(&best_rdc);
1544 vp9_rd_cost_reset(rd_cost);
1545 mi->sb_type = bsize;
1546 mi->ref_frame[0] = NONE;
1547 mi->ref_frame[1] = NONE;
1550 VPXMIN(max_txsize_lookup[bsize], tx_mode_to_biggest_tx_size[cm->tx_mode]);
1552 if (sf->short_circuit_flat_blocks || sf->limit_newmv_early_exit) {
1553 #if CONFIG_VP9_HIGHBITDEPTH
1554 if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH)
1555 x->source_variance = vp9_high_get_sby_perpixel_variance(
1556 cpi, &x->plane[0].src, bsize, xd->bd);
1558 #endif // CONFIG_VP9_HIGHBITDEPTH
1559 x->source_variance =
1560 vp9_get_sby_perpixel_variance(cpi, &x->plane[0].src, bsize);
1563 #if CONFIG_VP9_TEMPORAL_DENOISING
1564 if (cpi->oxcf.noise_sensitivity > 0) {
1566 int layer = LAYER_IDS_TO_IDX(cpi->svc.spatial_layer_id,
1567 cpi->svc.temporal_layer_id,
1568 cpi->svc.number_temporal_layers);
1569 LAYER_CONTEXT *lc = &cpi->svc.layer_context[layer];
1570 denoise_svc_pickmode = denoise_svc(cpi) && !lc->is_key_frame;
1572 if (cpi->denoiser.denoising_level > kDenLowLow && denoise_svc_pickmode)
1573 vp9_denoiser_reset_frame_stats(ctx);
1577 if (cpi->rc.frames_since_golden == 0 && !cpi->use_svc &&
1578 !cpi->rc.alt_ref_gf_group && !cpi->rc.last_frame_is_src_altref) {
1579 usable_ref_frame = LAST_FRAME;
1581 usable_ref_frame = GOLDEN_FRAME;
1584 if (cpi->oxcf.lag_in_frames > 0 && cpi->oxcf.rc_mode == VPX_VBR) {
1585 if (cpi->rc.alt_ref_gf_group || cpi->rc.is_src_frame_alt_ref)
1586 usable_ref_frame = ALTREF_FRAME;
1588 if (cpi->rc.is_src_frame_alt_ref) {
1589 skip_ref_find_pred[LAST_FRAME] = 1;
1590 skip_ref_find_pred[GOLDEN_FRAME] = 1;
1592 if (!cm->show_frame) {
1593 if (cpi->rc.frames_since_key == 1) {
1594 usable_ref_frame = LAST_FRAME;
1595 skip_ref_find_pred[GOLDEN_FRAME] = 1;
1596 skip_ref_find_pred[ALTREF_FRAME] = 1;
1601 // For svc mode, on spatial_layer_id > 0: if the reference has different scale
1602 // constrain the inter mode to only test zero motion.
1603 if (cpi->use_svc && svc->force_zero_mode_spatial_ref &&
1604 cpi->svc.spatial_layer_id > 0) {
1605 if (cpi->ref_frame_flags & flag_list[LAST_FRAME]) {
1606 struct scale_factors *const sf = &cm->frame_refs[LAST_FRAME - 1].sf;
1607 if (vp9_is_scaled(sf)) svc_force_zero_mode[LAST_FRAME - 1] = 1;
1609 if (cpi->ref_frame_flags & flag_list[GOLDEN_FRAME]) {
1610 struct scale_factors *const sf = &cm->frame_refs[GOLDEN_FRAME - 1].sf;
1611 if (vp9_is_scaled(sf)) svc_force_zero_mode[GOLDEN_FRAME - 1] = 1;
1615 if (cpi->sf.short_circuit_low_temp_var) {
1616 force_skip_low_temp_var =
1617 get_force_skip_low_temp_var(&x->variance_low[0], mi_row, mi_col, bsize);
1618 // If force_skip_low_temp_var is set, and for short circuit mode = 1 and 3,
1619 // skip golden reference.
1620 if ((cpi->sf.short_circuit_low_temp_var == 1 ||
1621 cpi->sf.short_circuit_low_temp_var == 3) &&
1622 force_skip_low_temp_var) {
1623 usable_ref_frame = LAST_FRAME;
1627 if (!((cpi->ref_frame_flags & flag_list[GOLDEN_FRAME]) &&
1628 !svc_force_zero_mode[GOLDEN_FRAME - 1] && !force_skip_low_temp_var))
1629 use_golden_nonzeromv = 0;
1631 if (cpi->oxcf.speed >= 8 && !cpi->use_svc &&
1632 ((cpi->rc.frames_since_golden + 1) < x->last_sb_high_content ||
1633 x->last_sb_high_content > 40 || cpi->rc.frames_since_golden > 120))
1634 usable_ref_frame = LAST_FRAME;
1636 // Compound prediction modes: (0,0) on LAST/GOLDEN and ARF.
1637 if (cm->reference_mode == REFERENCE_MODE_SELECT &&
1638 cpi->sf.use_compound_nonrd_pickmode && usable_ref_frame == ALTREF_FRAME)
1641 for (ref_frame = LAST_FRAME; ref_frame <= usable_ref_frame; ++ref_frame) {
1642 if (!skip_ref_find_pred[ref_frame]) {
1643 find_predictors(cpi, x, ref_frame, frame_mv, const_motion,
1644 &ref_frame_skip_mask, flag_list, tile_data, mi_row,
1645 mi_col, yv12_mb, bsize, force_skip_low_temp_var,
1650 if (cpi->use_svc || cpi->oxcf.speed <= 7 || bsize < BLOCK_32X32)
1651 x->sb_use_mv_part = 0;
1653 // Set the flag_svc_subpel to 1 for SVC if the lower spatial layer used
1654 // an averaging filter for downsampling (phase = 8). If so, we will test
1655 // a nonzero motion mode on the spatial (goldeen) reference.
1656 // The nonzero motion is half pixel shifted to left and top (-4, -4).
1657 if (cpi->use_svc && cpi->svc.spatial_layer_id > 0 &&
1658 svc_force_zero_mode[GOLDEN_FRAME - 1] &&
1659 cpi->svc.downsample_filter_phase[cpi->svc.spatial_layer_id - 1] == 8) {
1662 flag_svc_subpel = 1;
1665 for (idx = 0; idx < num_inter_modes + comp_modes; ++idx) {
1672 int this_early_term = 0;
1673 int rd_computed = 0;
1674 int flag_preduv_computed[2] = { 0 };
1675 int inter_mv_mode = 0;
1676 int skip_this_mv = 0;
1678 int force_gf_mv = 0;
1679 PREDICTION_MODE this_mode;
1680 second_ref_frame = NONE;
1682 if (idx < num_inter_modes) {
1683 this_mode = ref_mode_set[idx].pred_mode;
1684 ref_frame = ref_mode_set[idx].ref_frame;
1687 this_mode = ref_mode_set_svc[idx].pred_mode;
1688 ref_frame = ref_mode_set_svc[idx].ref_frame;
1691 // Add (0,0) compound modes.
1693 ref_frame = LAST_FRAME;
1694 if (idx == num_inter_modes + comp_modes - 1) ref_frame = GOLDEN_FRAME;
1695 second_ref_frame = ALTREF_FRAME;
1699 if (ref_frame > usable_ref_frame) continue;
1700 if (skip_ref_find_pred[ref_frame]) continue;
1702 if (flag_svc_subpel && ref_frame == GOLDEN_FRAME) {
1704 // Only test mode if NEARESTMV/NEARMV is (svc_mv_col, svc_mv_row),
1705 // otherwise set NEWMV to (svc_mv_col, svc_mv_row).
1706 if (this_mode == NEWMV) {
1707 frame_mv[this_mode][ref_frame].as_mv.col = svc_mv_col;
1708 frame_mv[this_mode][ref_frame].as_mv.row = svc_mv_row;
1709 } else if (frame_mv[this_mode][ref_frame].as_mv.col != svc_mv_col ||
1710 frame_mv[this_mode][ref_frame].as_mv.row != svc_mv_row) {
1716 const struct segmentation *const seg = &cm->seg;
1717 if (!cpi->allow_comp_inter_inter) continue;
1718 // Skip compound inter modes if ARF is not available.
1719 if (!(cpi->ref_frame_flags & flag_list[second_ref_frame])) continue;
1720 // Do not allow compound prediction if the segment level reference frame
1721 // feature is in use as in this case there can only be one reference.
1722 if (segfeature_active(seg, mi->segment_id, SEG_LVL_REF_FRAME)) continue;
1725 // For SVC, skip the golden (spatial) reference search if sse of zeromv_last
1726 // is below threshold.
1727 if (cpi->use_svc && ref_frame == GOLDEN_FRAME &&
1728 sse_zeromv_normalized < thresh_svc_skip_golden)
1731 if (sf->short_circuit_flat_blocks && x->source_variance == 0 &&
1732 this_mode != NEARESTMV) {
1736 if (!(cpi->sf.inter_mode_mask[bsize] & (1 << this_mode))) continue;
1738 if (cpi->oxcf.lag_in_frames > 0 && cpi->oxcf.rc_mode == VPX_VBR) {
1739 if (cpi->rc.is_src_frame_alt_ref &&
1740 (ref_frame != ALTREF_FRAME ||
1741 frame_mv[this_mode][ref_frame].as_int != 0))
1744 if (!cm->show_frame && ref_frame == ALTREF_FRAME &&
1745 frame_mv[this_mode][ref_frame].as_int != 0)
1748 if (cpi->rc.alt_ref_gf_group && cm->show_frame &&
1749 cpi->rc.frames_since_golden > (cpi->rc.baseline_gf_interval >> 1) &&
1750 ref_frame == GOLDEN_FRAME &&
1751 frame_mv[this_mode][ref_frame].as_int != 0)
1754 if (cpi->rc.alt_ref_gf_group && cm->show_frame &&
1755 cpi->rc.frames_since_golden > 0 &&
1756 cpi->rc.frames_since_golden < (cpi->rc.baseline_gf_interval >> 1) &&
1757 ref_frame == ALTREF_FRAME &&
1758 frame_mv[this_mode][ref_frame].as_int != 0)
1762 if (!(cpi->ref_frame_flags & flag_list[ref_frame])) continue;
1764 if (const_motion[ref_frame] && this_mode == NEARMV) continue;
1766 // Skip non-zeromv mode search for golden frame if force_skip_low_temp_var
1767 // is set. If nearestmv for golden frame is 0, zeromv mode will be skipped
1769 if (!force_gf_mv && force_skip_low_temp_var && ref_frame == GOLDEN_FRAME &&
1770 frame_mv[this_mode][ref_frame].as_int != 0) {
1774 if (x->content_state_sb != kVeryHighSad &&
1775 (cpi->sf.short_circuit_low_temp_var >= 2 ||
1776 (cpi->sf.short_circuit_low_temp_var == 1 && bsize == BLOCK_64X64)) &&
1777 force_skip_low_temp_var && ref_frame == LAST_FRAME &&
1778 this_mode == NEWMV) {
1783 if (!force_gf_mv && svc_force_zero_mode[ref_frame - 1] &&
1784 frame_mv[this_mode][ref_frame].as_int != 0)
1788 if (sf->reference_masking && !(frame_mv[this_mode][ref_frame].as_int == 0 &&
1789 ref_frame == LAST_FRAME)) {
1790 if (usable_ref_frame < ALTREF_FRAME) {
1791 if (!force_skip_low_temp_var && usable_ref_frame > LAST_FRAME) {
1792 i = (ref_frame == LAST_FRAME) ? GOLDEN_FRAME : LAST_FRAME;
1793 if ((cpi->ref_frame_flags & flag_list[i]))
1794 if (x->pred_mv_sad[ref_frame] > (x->pred_mv_sad[i] << 1))
1795 ref_frame_skip_mask |= (1 << ref_frame);
1797 } else if (!cpi->rc.is_src_frame_alt_ref &&
1798 !(frame_mv[this_mode][ref_frame].as_int == 0 &&
1799 ref_frame == ALTREF_FRAME)) {
1800 int ref1 = (ref_frame == GOLDEN_FRAME) ? LAST_FRAME : GOLDEN_FRAME;
1801 int ref2 = (ref_frame == ALTREF_FRAME) ? LAST_FRAME : ALTREF_FRAME;
1802 if (((cpi->ref_frame_flags & flag_list[ref1]) &&
1803 (x->pred_mv_sad[ref_frame] > (x->pred_mv_sad[ref1] << 1))) ||
1804 ((cpi->ref_frame_flags & flag_list[ref2]) &&
1805 (x->pred_mv_sad[ref_frame] > (x->pred_mv_sad[ref2] << 1))))
1806 ref_frame_skip_mask |= (1 << ref_frame);
1809 if (ref_frame_skip_mask & (1 << ref_frame)) continue;
1811 // Select prediction reference frames.
1812 for (i = 0; i < MAX_MB_PLANE; i++) {
1813 xd->plane[i].pre[0] = yv12_mb[ref_frame][i];
1814 if (comp_pred) xd->plane[i].pre[1] = yv12_mb[second_ref_frame][i];
1817 mi->ref_frame[0] = ref_frame;
1818 mi->ref_frame[1] = second_ref_frame;
1819 set_ref_ptrs(cm, xd, ref_frame, second_ref_frame);
1821 mode_index = mode_idx[ref_frame][INTER_OFFSET(this_mode)];
1822 mode_rd_thresh = best_mode_skip_txfm ? rd_threshes[mode_index] << 1
1823 : rd_threshes[mode_index];
1825 // Increase mode_rd_thresh value for GOLDEN_FRAME for improved encoding
1826 // speed with little/no subjective quality loss.
1827 if (cpi->sf.bias_golden && ref_frame == GOLDEN_FRAME &&
1828 cpi->rc.frames_since_golden > 4)
1829 mode_rd_thresh = mode_rd_thresh << 3;
1831 if ((cpi->sf.adaptive_rd_thresh_row_mt &&
1832 rd_less_than_thresh_row_mt(best_rdc.rdcost, mode_rd_thresh,
1833 &rd_thresh_freq_fact[mode_index])) ||
1834 (!cpi->sf.adaptive_rd_thresh_row_mt &&
1835 rd_less_than_thresh(best_rdc.rdcost, mode_rd_thresh,
1836 &rd_thresh_freq_fact[mode_index])))
1839 if (this_mode == NEWMV && !force_gf_mv) {
1840 if (ref_frame > LAST_FRAME && !cpi->use_svc &&
1841 cpi->oxcf.rc_mode == VPX_CBR) {
1844 int cost_list[5] = { INT_MAX, INT_MAX, INT_MAX, INT_MAX, INT_MAX };
1846 if (bsize < BLOCK_16X16) continue;
1848 tmp_sad = vp9_int_pro_motion_estimation(cpi, x, bsize, mi_row, mi_col);
1850 if (tmp_sad > x->pred_mv_sad[LAST_FRAME]) continue;
1851 if (tmp_sad + (num_pels_log2_lookup[bsize] << 4) > best_pred_sad)
1854 frame_mv[NEWMV][ref_frame].as_int = mi->mv[0].as_int;
1855 rate_mv = vp9_mv_bit_cost(&frame_mv[NEWMV][ref_frame].as_mv,
1856 &x->mbmi_ext->ref_mvs[ref_frame][0].as_mv,
1857 x->nmvjointcost, x->mvcost, MV_COST_WEIGHT);
1858 frame_mv[NEWMV][ref_frame].as_mv.row >>= 3;
1859 frame_mv[NEWMV][ref_frame].as_mv.col >>= 3;
1861 cpi->find_fractional_mv_step(
1862 x, &frame_mv[NEWMV][ref_frame].as_mv,
1863 &x->mbmi_ext->ref_mvs[ref_frame][0].as_mv,
1864 cpi->common.allow_high_precision_mv, x->errorperbit,
1865 &cpi->fn_ptr[bsize], cpi->sf.mv.subpel_force_stop,
1866 cpi->sf.mv.subpel_iters_per_step, cond_cost_list(cpi, cost_list),
1867 x->nmvjointcost, x->mvcost, &dis, &x->pred_sse[ref_frame], NULL, 0,
1869 } else if (svc->use_base_mv && svc->spatial_layer_id) {
1870 if (frame_mv[NEWMV][ref_frame].as_int != INVALID_MV) {
1871 const int pre_stride = xd->plane[0].pre[0].stride;
1872 unsigned int base_mv_sse = UINT_MAX;
1873 int scale = (cpi->rc.avg_frame_low_motion > 60) ? 2 : 4;
1874 const uint8_t *const pre_buf =
1875 xd->plane[0].pre[0].buf +
1876 (frame_mv[NEWMV][ref_frame].as_mv.row >> 3) * pre_stride +
1877 (frame_mv[NEWMV][ref_frame].as_mv.col >> 3);
1878 cpi->fn_ptr[bsize].vf(x->plane[0].src.buf, x->plane[0].src.stride,
1879 pre_buf, pre_stride, &base_mv_sse);
1881 // Exit NEWMV search if base_mv is (0,0) && bsize < BLOCK_16x16,
1882 // for SVC encoding.
1883 if (cpi->use_svc && cpi->svc.use_base_mv && bsize < BLOCK_16X16 &&
1884 frame_mv[NEWMV][ref_frame].as_mv.row == 0 &&
1885 frame_mv[NEWMV][ref_frame].as_mv.col == 0)
1888 // Exit NEWMV search if base_mv_sse is large.
1889 if (sf->base_mv_aggressive && base_mv_sse > (best_sse_sofar << scale))
1891 if (base_mv_sse < (best_sse_sofar << 1)) {
1892 // Base layer mv is good.
1893 // Exit NEWMV search if the base_mv is (0, 0) and sse is low, since
1894 // (0, 0) mode is already tested.
1895 unsigned int base_mv_sse_normalized =
1897 (b_width_log2_lookup[bsize] + b_height_log2_lookup[bsize]);
1898 if (sf->base_mv_aggressive && base_mv_sse <= best_sse_sofar &&
1899 base_mv_sse_normalized < 400 &&
1900 frame_mv[NEWMV][ref_frame].as_mv.row == 0 &&
1901 frame_mv[NEWMV][ref_frame].as_mv.col == 0)
1903 if (!combined_motion_search(cpi, x, bsize, mi_row, mi_col,
1904 &frame_mv[NEWMV][ref_frame], &rate_mv,
1905 best_rdc.rdcost, 1)) {
1908 } else if (!combined_motion_search(cpi, x, bsize, mi_row, mi_col,
1909 &frame_mv[NEWMV][ref_frame],
1910 &rate_mv, best_rdc.rdcost, 0)) {
1913 } else if (!combined_motion_search(cpi, x, bsize, mi_row, mi_col,
1914 &frame_mv[NEWMV][ref_frame],
1915 &rate_mv, best_rdc.rdcost, 0)) {
1918 } else if (!combined_motion_search(cpi, x, bsize, mi_row, mi_col,
1919 &frame_mv[NEWMV][ref_frame], &rate_mv,
1920 best_rdc.rdcost, 0)) {
1925 // TODO(jianj): Skipping the testing of (duplicate) non-zero motion vector
1926 // causes some regression, leave it for duplicate zero-mv for now, until
1927 // regression issue is resolved.
1928 for (inter_mv_mode = NEARESTMV; inter_mv_mode <= NEWMV; inter_mv_mode++) {
1929 if (inter_mv_mode == this_mode || comp_pred) continue;
1930 if (mode_checked[inter_mv_mode][ref_frame] &&
1931 frame_mv[this_mode][ref_frame].as_int ==
1932 frame_mv[inter_mv_mode][ref_frame].as_int &&
1933 frame_mv[inter_mv_mode][ref_frame].as_int == 0) {
1939 if (skip_this_mv) continue;
1941 // If use_golden_nonzeromv is false, NEWMV mode is skipped for golden, no
1942 // need to compute best_pred_sad which is only used to skip golden NEWMV.
1943 if (use_golden_nonzeromv && this_mode == NEWMV && ref_frame == LAST_FRAME &&
1944 frame_mv[NEWMV][LAST_FRAME].as_int != INVALID_MV) {
1945 const int pre_stride = xd->plane[0].pre[0].stride;
1946 const uint8_t *const pre_buf =
1947 xd->plane[0].pre[0].buf +
1948 (frame_mv[NEWMV][LAST_FRAME].as_mv.row >> 3) * pre_stride +
1949 (frame_mv[NEWMV][LAST_FRAME].as_mv.col >> 3);
1950 best_pred_sad = cpi->fn_ptr[bsize].sdf(
1951 x->plane[0].src.buf, x->plane[0].src.stride, pre_buf, pre_stride);
1952 x->pred_mv_sad[LAST_FRAME] = best_pred_sad;
1955 if (this_mode != NEARESTMV && !comp_pred &&
1956 frame_mv[this_mode][ref_frame].as_int ==
1957 frame_mv[NEARESTMV][ref_frame].as_int)
1960 mi->mode = this_mode;
1961 mi->mv[0].as_int = frame_mv[this_mode][ref_frame].as_int;
1962 mi->mv[1].as_int = 0;
1964 // Search for the best prediction filter type, when the resulting
1965 // motion vector is at sub-pixel accuracy level for luma component, i.e.,
1966 // the last three bits are all zeros.
1967 if (reuse_inter_pred) {
1968 if (!this_mode_pred) {
1969 this_mode_pred = &tmp[3];
1971 this_mode_pred = &tmp[get_pred_buffer(tmp, 3)];
1972 pd->dst.buf = this_mode_pred->data;
1973 pd->dst.stride = bw;
1977 if ((this_mode == NEWMV || filter_ref == SWITCHABLE) &&
1978 pred_filter_search &&
1979 (ref_frame == LAST_FRAME ||
1980 (ref_frame == GOLDEN_FRAME && !force_gf_mv &&
1981 (cpi->use_svc || cpi->oxcf.rc_mode == VPX_VBR))) &&
1982 (((mi->mv[0].as_mv.row | mi->mv[0].as_mv.col) & 0x07) != 0)) {
1986 unsigned int pf_var[3];
1987 unsigned int pf_sse[3];
1988 TX_SIZE pf_tx_size[3];
1989 int64_t best_cost = INT64_MAX;
1990 INTERP_FILTER best_filter = SWITCHABLE, filter;
1991 PRED_BUFFER *current_pred = this_mode_pred;
1994 for (filter = EIGHTTAP; filter <= EIGHTTAP_SMOOTH; ++filter) {
1996 mi->interp_filter = filter;
1997 vp9_build_inter_predictors_sby(xd, mi_row, mi_col, bsize);
1998 model_rd_for_sb_y(cpi, bsize, x, xd, &pf_rate[filter], &pf_dist[filter],
1999 &pf_var[filter], &pf_sse[filter]);
2000 curr_rate[filter] = pf_rate[filter];
2001 pf_rate[filter] += vp9_get_switchable_rate(cpi, xd);
2002 cost = RDCOST(x->rdmult, x->rddiv, pf_rate[filter], pf_dist[filter]);
2003 pf_tx_size[filter] = mi->tx_size;
2004 if (cost < best_cost) {
2005 best_filter = filter;
2007 skip_txfm = x->skip_txfm[0];
2009 if (reuse_inter_pred) {
2010 if (this_mode_pred != current_pred) {
2011 free_pred_buffer(this_mode_pred);
2012 this_mode_pred = current_pred;
2014 current_pred = &tmp[get_pred_buffer(tmp, 3)];
2015 pd->dst.buf = current_pred->data;
2016 pd->dst.stride = bw;
2021 if (reuse_inter_pred && this_mode_pred != current_pred)
2022 free_pred_buffer(current_pred);
2024 mi->interp_filter = best_filter;
2025 mi->tx_size = pf_tx_size[best_filter];
2026 this_rdc.rate = curr_rate[best_filter];
2027 this_rdc.dist = pf_dist[best_filter];
2028 var_y = pf_var[best_filter];
2029 sse_y = pf_sse[best_filter];
2030 x->skip_txfm[0] = skip_txfm;
2031 if (reuse_inter_pred) {
2032 pd->dst.buf = this_mode_pred->data;
2033 pd->dst.stride = this_mode_pred->stride;
2036 // For low motion content use x->sb_is_skin in addition to VeryHighSad
2037 // for setting large_block.
2038 const int large_block =
2039 (x->content_state_sb == kVeryHighSad ||
2040 (x->sb_is_skin && cpi->rc.avg_frame_low_motion > 70) ||
2041 cpi->oxcf.speed < 7)
2042 ? bsize > BLOCK_32X32
2043 : bsize >= BLOCK_32X32;
2044 mi->interp_filter = (filter_ref == SWITCHABLE) ? EIGHTTAP : filter_ref;
2046 if (cpi->use_svc && ref_frame == GOLDEN_FRAME &&
2047 svc_force_zero_mode[ref_frame - 1])
2048 mi->interp_filter = filter_gf_svc;
2050 vp9_build_inter_predictors_sby(xd, mi_row, mi_col, bsize);
2052 // For large partition blocks, extra testing is done.
2053 if (cpi->oxcf.rc_mode == VPX_CBR && large_block &&
2054 !cyclic_refresh_segment_id_boosted(xd->mi[0]->segment_id) &&
2056 model_rd_for_sb_y_large(cpi, bsize, x, xd, &this_rdc.rate,
2057 &this_rdc.dist, &var_y, &sse_y, mi_row, mi_col,
2058 &this_early_term, flag_preduv_computed);
2061 model_rd_for_sb_y(cpi, bsize, x, xd, &this_rdc.rate, &this_rdc.dist,
2064 // Save normalized sse (between current and last frame) for (0, 0) motion.
2065 if (cpi->use_svc && ref_frame == LAST_FRAME &&
2066 frame_mv[this_mode][ref_frame].as_int == 0) {
2067 sse_zeromv_normalized =
2068 sse_y >> (b_width_log2_lookup[bsize] + b_height_log2_lookup[bsize]);
2070 if (sse_y < best_sse_sofar) best_sse_sofar = sse_y;
2073 if (!this_early_term) {
2074 this_sse = (int64_t)sse_y;
2075 block_yrd(cpi, x, &this_rdc, &is_skippable, &this_sse, bsize,
2076 VPXMIN(mi->tx_size, TX_16X16), rd_computed);
2078 x->skip_txfm[0] = is_skippable;
2080 this_rdc.rate = vp9_cost_bit(vp9_get_skip_prob(cm, xd), 1);
2082 if (RDCOST(x->rdmult, x->rddiv, this_rdc.rate, this_rdc.dist) <
2083 RDCOST(x->rdmult, x->rddiv, 0, this_sse)) {
2084 this_rdc.rate += vp9_cost_bit(vp9_get_skip_prob(cm, xd), 0);
2086 this_rdc.rate = vp9_cost_bit(vp9_get_skip_prob(cm, xd), 1);
2087 this_rdc.dist = this_sse;
2088 x->skip_txfm[0] = SKIP_TXFM_AC_DC;
2092 if (cm->interp_filter == SWITCHABLE) {
2093 if ((mi->mv[0].as_mv.row | mi->mv[0].as_mv.col) & 0x07)
2094 this_rdc.rate += vp9_get_switchable_rate(cpi, xd);
2097 this_rdc.rate += cm->interp_filter == SWITCHABLE
2098 ? vp9_get_switchable_rate(cpi, xd)
2100 this_rdc.rate += vp9_cost_bit(vp9_get_skip_prob(cm, xd), 1);
2103 if (!this_early_term &&
2104 (x->color_sensitivity[0] || x->color_sensitivity[1])) {
2106 const BLOCK_SIZE uv_bsize = get_plane_block_size(bsize, &xd->plane[1]);
2107 if (x->color_sensitivity[0] && !flag_preduv_computed[0]) {
2108 vp9_build_inter_predictors_sbp(xd, mi_row, mi_col, bsize, 1);
2109 flag_preduv_computed[0] = 1;
2111 if (x->color_sensitivity[1] && !flag_preduv_computed[1]) {
2112 vp9_build_inter_predictors_sbp(xd, mi_row, mi_col, bsize, 2);
2113 flag_preduv_computed[1] = 1;
2115 model_rd_for_sb_uv(cpi, uv_bsize, x, xd, &rdc_uv, &var_y, &sse_y, 1, 2);
2116 this_rdc.rate += rdc_uv.rate;
2117 this_rdc.dist += rdc_uv.dist;
2120 this_rdc.rate += rate_mv;
2121 this_rdc.rate += cpi->inter_mode_cost[x->mbmi_ext->mode_context[ref_frame]]
2122 [INTER_OFFSET(this_mode)];
2123 // TODO(marpan): Add costing for compound mode.
2124 this_rdc.rate += ref_frame_cost[ref_frame];
2125 this_rdc.rdcost = RDCOST(x->rdmult, x->rddiv, this_rdc.rate, this_rdc.dist);
2127 // Bias against NEWMV that is very different from its neighbors, and bias
2128 // to small motion-lastref for noisy input.
2129 if (cpi->oxcf.rc_mode == VPX_CBR && cpi->oxcf.speed >= 5 &&
2130 cpi->oxcf.content != VP9E_CONTENT_SCREEN) {
2131 vp9_NEWMV_diff_bias(&cpi->noise_estimate, xd, this_mode, &this_rdc, bsize,
2132 frame_mv[this_mode][ref_frame].as_mv.row,
2133 frame_mv[this_mode][ref_frame].as_mv.col,
2134 ref_frame == LAST_FRAME, x->lowvar_highsumdiff,
2138 // Skipping checking: test to see if this block can be reconstructed by
2140 if (cpi->allow_encode_breakout) {
2141 encode_breakout_test(cpi, x, bsize, mi_row, mi_col, ref_frame, this_mode,
2142 var_y, sse_y, yv12_mb, &this_rdc.rate,
2143 &this_rdc.dist, flag_preduv_computed);
2145 this_rdc.rate += rate_mv;
2147 RDCOST(x->rdmult, x->rddiv, this_rdc.rate, this_rdc.dist);
2151 #if CONFIG_VP9_TEMPORAL_DENOISING
2152 if (cpi->oxcf.noise_sensitivity > 0 && denoise_svc_pickmode &&
2153 cpi->denoiser.denoising_level > kDenLowLow) {
2154 vp9_denoiser_update_frame_stats(mi, sse_y, this_mode, ctx);
2155 // Keep track of zero_last cost.
2156 if (ref_frame == LAST_FRAME && frame_mv[this_mode][ref_frame].as_int == 0)
2157 zero_last_cost_orig = this_rdc.rdcost;
2163 mode_checked[this_mode][ref_frame] = 1;
2165 if (this_rdc.rdcost < best_rdc.rdcost || x->skip) {
2166 best_rdc = this_rdc;
2167 best_mode = this_mode;
2168 best_pred_filter = mi->interp_filter;
2169 best_tx_size = mi->tx_size;
2170 best_ref_frame = ref_frame;
2171 best_mode_skip_txfm = x->skip_txfm[0];
2172 best_early_term = this_early_term;
2173 best_second_ref_frame = second_ref_frame;
2175 if (reuse_inter_pred) {
2176 free_pred_buffer(best_pred);
2177 best_pred = this_mode_pred;
2180 if (reuse_inter_pred) free_pred_buffer(this_mode_pred);
2185 // If early termination flag is 1 and at least 2 modes are checked,
2186 // the mode search is terminated.
2187 if (best_early_term && idx > 0) {
2193 mi->mode = best_mode;
2194 mi->interp_filter = best_pred_filter;
2195 mi->tx_size = best_tx_size;
2196 mi->ref_frame[0] = best_ref_frame;
2197 mi->mv[0].as_int = frame_mv[best_mode][best_ref_frame].as_int;
2198 xd->mi[0]->bmi[0].as_mv[0].as_int = mi->mv[0].as_int;
2199 x->skip_txfm[0] = best_mode_skip_txfm;
2200 mi->ref_frame[1] = best_second_ref_frame;
2202 // For spatial enhancemanent layer: perform intra prediction only if base
2203 // layer is chosen as the reference. Always perform intra prediction if
2204 // LAST is the only reference or is_key_frame is set.
2205 if (cpi->svc.spatial_layer_id) {
2206 perform_intra_pred =
2207 cpi->svc.layer_context[cpi->svc.temporal_layer_id].is_key_frame ||
2208 !(cpi->ref_frame_flags & flag_list[GOLDEN_FRAME]) ||
2209 (!cpi->svc.layer_context[cpi->svc.temporal_layer_id].is_key_frame &&
2210 svc_force_zero_mode[best_ref_frame - 1]);
2211 inter_mode_thresh = (inter_mode_thresh << 1) + inter_mode_thresh;
2213 if (cpi->oxcf.lag_in_frames > 0 && cpi->oxcf.rc_mode == VPX_VBR &&
2214 cpi->rc.is_src_frame_alt_ref)
2215 perform_intra_pred = 0;
2216 // Perform intra prediction search, if the best SAD is above a certain
2218 if (best_rdc.rdcost == INT64_MAX ||
2219 ((!force_skip_low_temp_var || bsize < BLOCK_32X32 ||
2220 x->content_state_sb == kVeryHighSad) &&
2221 perform_intra_pred && !x->skip && best_rdc.rdcost > inter_mode_thresh &&
2222 bsize <= cpi->sf.max_intra_bsize && !x->skip_low_source_sad &&
2223 !x->lowvar_highsumdiff)) {
2224 struct estimate_block_intra_args args = { cpi, x, DC_PRED, 1, 0 };
2226 TX_SIZE best_intra_tx_size = TX_SIZES;
2227 TX_SIZE intra_tx_size =
2228 VPXMIN(max_txsize_lookup[bsize],
2229 tx_mode_to_biggest_tx_size[cpi->common.tx_mode]);
2230 if (cpi->oxcf.content != VP9E_CONTENT_SCREEN && intra_tx_size > TX_16X16)
2231 intra_tx_size = TX_16X16;
2233 if (reuse_inter_pred && best_pred != NULL) {
2234 if (best_pred->data == orig_dst.buf) {
2235 this_mode_pred = &tmp[get_pred_buffer(tmp, 3)];
2236 #if CONFIG_VP9_HIGHBITDEPTH
2237 if (cm->use_highbitdepth)
2238 vpx_highbd_convolve_copy(
2239 CONVERT_TO_SHORTPTR(best_pred->data), best_pred->stride,
2240 CONVERT_TO_SHORTPTR(this_mode_pred->data), this_mode_pred->stride,
2241 NULL, 0, 0, 0, 0, bw, bh, xd->bd);
2243 vpx_convolve_copy(best_pred->data, best_pred->stride,
2244 this_mode_pred->data, this_mode_pred->stride, NULL,
2245 0, 0, 0, 0, bw, bh);
2247 vpx_convolve_copy(best_pred->data, best_pred->stride,
2248 this_mode_pred->data, this_mode_pred->stride, NULL, 0,
2250 #endif // CONFIG_VP9_HIGHBITDEPTH
2251 best_pred = this_mode_pred;
2256 for (i = 0; i < 4; ++i) {
2257 const PREDICTION_MODE this_mode = intra_mode_list[i];
2258 THR_MODES mode_index = mode_idx[INTRA_FRAME][mode_offset(this_mode)];
2259 int mode_rd_thresh = rd_threshes[mode_index];
2260 if (sf->short_circuit_flat_blocks && x->source_variance == 0 &&
2261 this_mode != DC_PRED) {
2265 if (!((1 << this_mode) & cpi->sf.intra_y_mode_bsize_mask[bsize]))
2268 if ((cpi->sf.adaptive_rd_thresh_row_mt &&
2269 rd_less_than_thresh_row_mt(best_rdc.rdcost, mode_rd_thresh,
2270 &rd_thresh_freq_fact[mode_index])) ||
2271 (!cpi->sf.adaptive_rd_thresh_row_mt &&
2272 rd_less_than_thresh(best_rdc.rdcost, mode_rd_thresh,
2273 &rd_thresh_freq_fact[mode_index])))
2276 mi->mode = this_mode;
2277 mi->ref_frame[0] = INTRA_FRAME;
2278 this_rdc.dist = this_rdc.rate = 0;
2279 args.mode = this_mode;
2281 args.rdc = &this_rdc;
2282 mi->tx_size = intra_tx_size;
2283 vp9_foreach_transformed_block_in_plane(xd, bsize, 0, estimate_block_intra,
2285 // Check skip cost here since skippable is not set for for uv, this
2286 // mirrors the behavior used by inter
2287 if (args.skippable) {
2288 x->skip_txfm[0] = SKIP_TXFM_AC_DC;
2289 this_rdc.rate = vp9_cost_bit(vp9_get_skip_prob(&cpi->common, xd), 1);
2291 x->skip_txfm[0] = SKIP_TXFM_NONE;
2292 this_rdc.rate += vp9_cost_bit(vp9_get_skip_prob(&cpi->common, xd), 0);
2294 // Inter and intra RD will mismatch in scale for non-screen content.
2295 if (cpi->oxcf.content == VP9E_CONTENT_SCREEN) {
2296 if (x->color_sensitivity[0])
2297 vp9_foreach_transformed_block_in_plane(xd, bsize, 1,
2298 estimate_block_intra, &args);
2299 if (x->color_sensitivity[1])
2300 vp9_foreach_transformed_block_in_plane(xd, bsize, 2,
2301 estimate_block_intra, &args);
2303 this_rdc.rate += cpi->mbmode_cost[this_mode];
2304 this_rdc.rate += ref_frame_cost[INTRA_FRAME];
2305 this_rdc.rate += intra_cost_penalty;
2307 RDCOST(x->rdmult, x->rddiv, this_rdc.rate, this_rdc.dist);
2309 if (this_rdc.rdcost < best_rdc.rdcost) {
2310 best_rdc = this_rdc;
2311 best_mode = this_mode;
2312 best_intra_tx_size = mi->tx_size;
2313 best_ref_frame = INTRA_FRAME;
2314 best_second_ref_frame = NONE;
2315 mi->uv_mode = this_mode;
2316 mi->mv[0].as_int = INVALID_MV;
2317 mi->mv[1].as_int = INVALID_MV;
2318 best_mode_skip_txfm = x->skip_txfm[0];
2322 // Reset mb_mode_info to the best inter mode.
2323 if (best_ref_frame != INTRA_FRAME) {
2324 mi->tx_size = best_tx_size;
2326 mi->tx_size = best_intra_tx_size;
2331 mi->mode = best_mode;
2332 mi->ref_frame[0] = best_ref_frame;
2333 mi->ref_frame[1] = best_second_ref_frame;
2334 x->skip_txfm[0] = best_mode_skip_txfm;
2336 if (!is_inter_block(mi)) {
2337 mi->interp_filter = SWITCHABLE_FILTERS;
2340 if (reuse_inter_pred && best_pred != NULL) {
2341 if (best_pred->data != orig_dst.buf && is_inter_mode(mi->mode)) {
2342 #if CONFIG_VP9_HIGHBITDEPTH
2343 if (cm->use_highbitdepth)
2344 vpx_highbd_convolve_copy(
2345 CONVERT_TO_SHORTPTR(best_pred->data), best_pred->stride,
2346 CONVERT_TO_SHORTPTR(pd->dst.buf), pd->dst.stride, NULL, 0, 0, 0, 0,
2349 vpx_convolve_copy(best_pred->data, best_pred->stride, pd->dst.buf,
2350 pd->dst.stride, NULL, 0, 0, 0, 0, bw, bh);
2352 vpx_convolve_copy(best_pred->data, best_pred->stride, pd->dst.buf,
2353 pd->dst.stride, NULL, 0, 0, 0, 0, bw, bh);
2354 #endif // CONFIG_VP9_HIGHBITDEPTH
2358 #if CONFIG_VP9_TEMPORAL_DENOISING
2359 if (cpi->oxcf.noise_sensitivity > 0 && cpi->resize_pending == 0 &&
2360 denoise_svc_pickmode && cpi->denoiser.denoising_level > kDenLowLow &&
2361 cpi->denoiser.reset == 0) {
2362 VP9_DENOISER_DECISION decision = COPY_BLOCK;
2363 ctx->sb_skip_denoising = 0;
2364 // TODO(marpan): There is an issue with denoising when the
2365 // superblock partitioning scheme is based on the pickmode.
2366 // Remove this condition when the issue is resolved.
2367 if (x->sb_pickmode_part) ctx->sb_skip_denoising = 1;
2368 vp9_pickmode_ctx_den_update(&ctx_den, zero_last_cost_orig, ref_frame_cost,
2369 frame_mv, reuse_inter_pred, best_tx_size,
2370 best_mode, best_ref_frame, best_pred_filter,
2371 best_mode_skip_txfm);
2372 vp9_denoiser_denoise(cpi, x, mi_row, mi_col, bsize, ctx, &decision);
2373 recheck_zeromv_after_denoising(cpi, mi, x, xd, decision, &ctx_den, yv12_mb,
2374 &best_rdc, bsize, mi_row, mi_col);
2375 best_ref_frame = ctx_den.best_ref_frame;
2379 if (best_ref_frame == ALTREF_FRAME || best_second_ref_frame == ALTREF_FRAME)
2380 x->arf_frame_usage++;
2381 else if (best_ref_frame != INTRA_FRAME)
2382 x->lastgolden_frame_usage++;
2384 if (cpi->sf.adaptive_rd_thresh) {
2385 THR_MODES best_mode_idx = mode_idx[best_ref_frame][mode_offset(mi->mode)];
2387 if (best_ref_frame == INTRA_FRAME) {
2388 // Only consider the modes that are included in the intra_mode_list.
2389 int intra_modes = sizeof(intra_mode_list) / sizeof(PREDICTION_MODE);
2392 // TODO(yunqingwang): Check intra mode mask and only update freq_fact
2393 // for those valid modes.
2394 for (i = 0; i < intra_modes; i++) {
2395 if (cpi->sf.adaptive_rd_thresh_row_mt)
2396 update_thresh_freq_fact_row_mt(cpi, tile_data, x->source_variance,
2397 thresh_freq_fact_idx, INTRA_FRAME,
2398 best_mode_idx, intra_mode_list[i]);
2400 update_thresh_freq_fact(cpi, tile_data, x->source_variance, bsize,
2401 INTRA_FRAME, best_mode_idx,
2402 intra_mode_list[i]);
2405 for (ref_frame = LAST_FRAME; ref_frame <= GOLDEN_FRAME; ++ref_frame) {
2406 PREDICTION_MODE this_mode;
2407 if (best_ref_frame != ref_frame) continue;
2408 for (this_mode = NEARESTMV; this_mode <= NEWMV; ++this_mode) {
2409 if (cpi->sf.adaptive_rd_thresh_row_mt)
2410 update_thresh_freq_fact_row_mt(cpi, tile_data, x->source_variance,
2411 thresh_freq_fact_idx, ref_frame,
2412 best_mode_idx, this_mode);
2414 update_thresh_freq_fact(cpi, tile_data, x->source_variance, bsize,
2415 ref_frame, best_mode_idx, this_mode);
2421 *rd_cost = best_rdc;
2424 void vp9_pick_inter_mode_sub8x8(VP9_COMP *cpi, MACROBLOCK *x, int mi_row,
2425 int mi_col, RD_COST *rd_cost, BLOCK_SIZE bsize,
2426 PICK_MODE_CONTEXT *ctx) {
2427 VP9_COMMON *const cm = &cpi->common;
2428 SPEED_FEATURES *const sf = &cpi->sf;
2429 MACROBLOCKD *const xd = &x->e_mbd;
2430 MODE_INFO *const mi = xd->mi[0];
2431 MB_MODE_INFO_EXT *const mbmi_ext = x->mbmi_ext;
2432 const struct segmentation *const seg = &cm->seg;
2433 MV_REFERENCE_FRAME ref_frame, second_ref_frame = NONE;
2434 MV_REFERENCE_FRAME best_ref_frame = NONE;
2435 unsigned char segment_id = mi->segment_id;
2436 struct buf_2d yv12_mb[4][MAX_MB_PLANE];
2437 static const int flag_list[4] = { 0, VP9_LAST_FLAG, VP9_GOLD_FLAG,
2439 int64_t best_rd = INT64_MAX;
2440 b_mode_info bsi[MAX_REF_FRAMES][4];
2441 int ref_frame_skip_mask = 0;
2442 const int num_4x4_blocks_wide = num_4x4_blocks_wide_lookup[bsize];
2443 const int num_4x4_blocks_high = num_4x4_blocks_high_lookup[bsize];
2446 x->skip_encode = sf->skip_encode_frame && x->q_index < QIDX_SKIP_THRESH;
2447 ctx->pred_pixel_ready = 0;
2449 for (ref_frame = LAST_FRAME; ref_frame <= GOLDEN_FRAME; ++ref_frame) {
2450 const YV12_BUFFER_CONFIG *yv12 = get_ref_frame_buffer(cpi, ref_frame);
2452 x->pred_mv_sad[ref_frame] = INT_MAX;
2454 if ((cpi->ref_frame_flags & flag_list[ref_frame]) && (yv12 != NULL)) {
2455 int_mv *const candidates = mbmi_ext->ref_mvs[ref_frame];
2456 const struct scale_factors *const sf = &cm->frame_refs[ref_frame - 1].sf;
2457 vp9_setup_pred_block(xd, yv12_mb[ref_frame], yv12, mi_row, mi_col, sf,
2459 vp9_find_mv_refs(cm, xd, xd->mi[0], ref_frame, candidates, mi_row, mi_col,
2460 mbmi_ext->mode_context);
2462 vp9_find_best_ref_mvs(xd, cm->allow_high_precision_mv, candidates,
2463 &dummy_mv[0], &dummy_mv[1]);
2465 ref_frame_skip_mask |= (1 << ref_frame);
2469 mi->sb_type = bsize;
2470 mi->tx_size = TX_4X4;
2471 mi->uv_mode = DC_PRED;
2472 mi->ref_frame[0] = LAST_FRAME;
2473 mi->ref_frame[1] = NONE;
2475 cm->interp_filter == SWITCHABLE ? EIGHTTAP : cm->interp_filter;
2477 for (ref_frame = LAST_FRAME; ref_frame <= GOLDEN_FRAME; ++ref_frame) {
2478 int64_t this_rd = 0;
2481 if (ref_frame_skip_mask & (1 << ref_frame)) continue;
2483 #if CONFIG_BETTER_HW_COMPATIBILITY
2484 if ((bsize == BLOCK_8X4 || bsize == BLOCK_4X8) && ref_frame > INTRA_FRAME &&
2485 vp9_is_scaled(&cm->frame_refs[ref_frame - 1].sf))
2489 // TODO(jingning, agrange): Scaling reference frame not supported for
2490 // sub8x8 blocks. Is this supported now?
2491 if (ref_frame > INTRA_FRAME &&
2492 vp9_is_scaled(&cm->frame_refs[ref_frame - 1].sf))
2495 // If the segment reference frame feature is enabled....
2496 // then do nothing if the current ref frame is not allowed..
2497 if (segfeature_active(seg, segment_id, SEG_LVL_REF_FRAME) &&
2498 get_segdata(seg, segment_id, SEG_LVL_REF_FRAME) != (int)ref_frame)
2501 mi->ref_frame[0] = ref_frame;
2503 set_ref_ptrs(cm, xd, ref_frame, second_ref_frame);
2505 // Select prediction reference frames.
2506 for (plane = 0; plane < MAX_MB_PLANE; plane++)
2507 xd->plane[plane].pre[0] = yv12_mb[ref_frame][plane];
2509 for (idy = 0; idy < 2; idy += num_4x4_blocks_high) {
2510 for (idx = 0; idx < 2; idx += num_4x4_blocks_wide) {
2511 int_mv b_mv[MB_MODE_COUNT];
2512 int64_t b_best_rd = INT64_MAX;
2513 const int i = idy * 2 + idx;
2514 PREDICTION_MODE this_mode;
2516 unsigned int var_y, sse_y;
2518 struct macroblock_plane *p = &x->plane[0];
2519 struct macroblockd_plane *pd = &xd->plane[0];
2521 const struct buf_2d orig_src = p->src;
2522 const struct buf_2d orig_dst = pd->dst;
2523 struct buf_2d orig_pre[2];
2524 memcpy(orig_pre, xd->plane[0].pre, sizeof(orig_pre));
2526 // set buffer pointers for sub8x8 motion search.
2528 &p->src.buf[vp9_raster_block_offset(BLOCK_8X8, i, p->src.stride)];
2530 &pd->dst.buf[vp9_raster_block_offset(BLOCK_8X8, i, pd->dst.stride)];
2533 .buf[vp9_raster_block_offset(BLOCK_8X8, i, pd->pre[0].stride)];
2535 b_mv[ZEROMV].as_int = 0;
2536 b_mv[NEWMV].as_int = INVALID_MV;
2537 vp9_append_sub8x8_mvs_for_idx(cm, xd, i, 0, mi_row, mi_col,
2538 &b_mv[NEARESTMV], &b_mv[NEARMV],
2539 mbmi_ext->mode_context);
2541 for (this_mode = NEARESTMV; this_mode <= NEWMV; ++this_mode) {
2543 xd->mi[0]->bmi[i].as_mv[0].as_int = b_mv[this_mode].as_int;
2545 if (this_mode == NEWMV) {
2546 const int step_param = cpi->sf.mv.fullpel_search_step_param;
2550 const MvLimits tmp_mv_limits = x->mv_limits;
2551 uint32_t dummy_dist;
2554 mvp_full.row = b_mv[NEARESTMV].as_mv.row >> 3;
2555 mvp_full.col = b_mv[NEARESTMV].as_mv.col >> 3;
2557 mvp_full.row = xd->mi[0]->bmi[0].as_mv[0].as_mv.row >> 3;
2558 mvp_full.col = xd->mi[0]->bmi[0].as_mv[0].as_mv.col >> 3;
2561 vp9_set_mv_search_range(&x->mv_limits,
2562 &mbmi_ext->ref_mvs[ref_frame][0].as_mv);
2564 vp9_full_pixel_search(
2565 cpi, x, bsize, &mvp_full, step_param, cpi->sf.mv.search_method,
2566 x->sadperbit4, cond_cost_list(cpi, cost_list),
2567 &mbmi_ext->ref_mvs[ref_frame][0].as_mv, &tmp_mv, INT_MAX, 0);
2569 x->mv_limits = tmp_mv_limits;
2571 // calculate the bit cost on motion vector
2572 mvp_full.row = tmp_mv.row * 8;
2573 mvp_full.col = tmp_mv.col * 8;
2575 b_rate += vp9_mv_bit_cost(
2576 &mvp_full, &mbmi_ext->ref_mvs[ref_frame][0].as_mv,
2577 x->nmvjointcost, x->mvcost, MV_COST_WEIGHT);
2579 b_rate += cpi->inter_mode_cost[x->mbmi_ext->mode_context[ref_frame]]
2580 [INTER_OFFSET(NEWMV)];
2581 if (RDCOST(x->rdmult, x->rddiv, b_rate, 0) > b_best_rd) continue;
2583 cpi->find_fractional_mv_step(
2584 x, &tmp_mv, &mbmi_ext->ref_mvs[ref_frame][0].as_mv,
2585 cpi->common.allow_high_precision_mv, x->errorperbit,
2586 &cpi->fn_ptr[bsize], cpi->sf.mv.subpel_force_stop,
2587 cpi->sf.mv.subpel_iters_per_step,
2588 cond_cost_list(cpi, cost_list), x->nmvjointcost, x->mvcost,
2589 &dummy_dist, &x->pred_sse[ref_frame], NULL, 0, 0);
2591 xd->mi[0]->bmi[i].as_mv[0].as_mv = tmp_mv;
2593 b_rate += cpi->inter_mode_cost[x->mbmi_ext->mode_context[ref_frame]]
2594 [INTER_OFFSET(this_mode)];
2597 #if CONFIG_VP9_HIGHBITDEPTH
2598 if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
2599 vp9_highbd_build_inter_predictor(
2600 CONVERT_TO_SHORTPTR(pd->pre[0].buf), pd->pre[0].stride,
2601 CONVERT_TO_SHORTPTR(pd->dst.buf), pd->dst.stride,
2602 &xd->mi[0]->bmi[i].as_mv[0].as_mv, &xd->block_refs[0]->sf,
2603 4 * num_4x4_blocks_wide, 4 * num_4x4_blocks_high, 0,
2604 vp9_filter_kernels[mi->interp_filter], MV_PRECISION_Q3,
2605 mi_col * MI_SIZE + 4 * (i & 0x01),
2606 mi_row * MI_SIZE + 4 * (i >> 1), xd->bd);
2609 vp9_build_inter_predictor(
2610 pd->pre[0].buf, pd->pre[0].stride, pd->dst.buf, pd->dst.stride,
2611 &xd->mi[0]->bmi[i].as_mv[0].as_mv, &xd->block_refs[0]->sf,
2612 4 * num_4x4_blocks_wide, 4 * num_4x4_blocks_high, 0,
2613 vp9_filter_kernels[mi->interp_filter], MV_PRECISION_Q3,
2614 mi_col * MI_SIZE + 4 * (i & 0x01),
2615 mi_row * MI_SIZE + 4 * (i >> 1));
2617 #if CONFIG_VP9_HIGHBITDEPTH
2621 model_rd_for_sb_y(cpi, bsize, x, xd, &this_rdc.rate, &this_rdc.dist,
2624 this_rdc.rate += b_rate;
2626 RDCOST(x->rdmult, x->rddiv, this_rdc.rate, this_rdc.dist);
2627 if (this_rdc.rdcost < b_best_rd) {
2628 b_best_rd = this_rdc.rdcost;
2629 bsi[ref_frame][i].as_mode = this_mode;
2630 bsi[ref_frame][i].as_mv[0].as_mv = xd->mi[0]->bmi[i].as_mv[0].as_mv;
2634 // restore source and prediction buffer pointers.
2636 pd->pre[0] = orig_pre[0];
2638 this_rd += b_best_rd;
2640 xd->mi[0]->bmi[i] = bsi[ref_frame][i];
2641 if (num_4x4_blocks_wide > 1) xd->mi[0]->bmi[i + 1] = xd->mi[0]->bmi[i];
2642 if (num_4x4_blocks_high > 1) xd->mi[0]->bmi[i + 2] = xd->mi[0]->bmi[i];
2644 } // loop through sub8x8 blocks
2646 if (this_rd < best_rd) {
2648 best_ref_frame = ref_frame;
2650 } // reference frames
2652 mi->tx_size = TX_4X4;
2653 mi->ref_frame[0] = best_ref_frame;
2654 for (idy = 0; idy < 2; idy += num_4x4_blocks_high) {
2655 for (idx = 0; idx < 2; idx += num_4x4_blocks_wide) {
2656 const int block = idy * 2 + idx;
2657 xd->mi[0]->bmi[block] = bsi[best_ref_frame][block];
2658 if (num_4x4_blocks_wide > 1)
2659 xd->mi[0]->bmi[block + 1] = bsi[best_ref_frame][block];
2660 if (num_4x4_blocks_high > 1)
2661 xd->mi[0]->bmi[block + 2] = bsi[best_ref_frame][block];
2664 mi->mode = xd->mi[0]->bmi[3].as_mode;
2665 ctx->mic = *(xd->mi[0]);
2666 ctx->mbmi_ext = *x->mbmi_ext;
2667 ctx->skip_txfm[0] = SKIP_TXFM_NONE;
2669 // Dummy assignment for speed -5. No effect in speed -6.
2670 rd_cost->rdcost = best_rd;