AOMedia AV1 Codec
speed_features.h
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1/*
2 * Copyright (c) 2016, Alliance for Open Media. All rights reserved
3 *
4 * This source code is subject to the terms of the BSD 2 Clause License and
5 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
6 * was not distributed with this source code in the LICENSE file, you can
7 * obtain it at www.aomedia.org/license/software. If the Alliance for Open
8 * Media Patent License 1.0 was not distributed with this source code in the
9 * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
10 */
11
12#ifndef AOM_AV1_ENCODER_SPEED_FEATURES_H_
13#define AOM_AV1_ENCODER_SPEED_FEATURES_H_
14
15#include "av1/common/enums.h"
16#include "av1/encoder/enc_enums.h"
17#include "av1/encoder/mcomp.h"
18#include "av1/encoder/encodemb.h"
19
20#ifdef __cplusplus
21extern "C" {
22#endif
23
27#define MAX_MESH_STEP 4
28
29typedef struct MESH_PATTERN {
30 int range;
31 int interval;
32} MESH_PATTERN;
33
34enum {
35 GM_FULL_SEARCH,
36 GM_REDUCED_REF_SEARCH_SKIP_L2_L3,
37 GM_REDUCED_REF_SEARCH_SKIP_L2_L3_ARF2,
38 GM_DISABLE_SEARCH
39} UENUM1BYTE(GM_SEARCH_TYPE);
40
41enum {
42 DIST_WTD_COMP_ENABLED,
43 DIST_WTD_COMP_SKIP_MV_SEARCH,
44 DIST_WTD_COMP_DISABLED,
45} UENUM1BYTE(DIST_WTD_COMP_FLAG);
46
47enum {
48 INTRA_ALL = (1 << DC_PRED) | (1 << V_PRED) | (1 << H_PRED) | (1 << D45_PRED) |
49 (1 << D135_PRED) | (1 << D113_PRED) | (1 << D157_PRED) |
50 (1 << D203_PRED) | (1 << D67_PRED) | (1 << SMOOTH_PRED) |
51 (1 << SMOOTH_V_PRED) | (1 << SMOOTH_H_PRED) | (1 << PAETH_PRED),
52 UV_INTRA_ALL =
53 (1 << UV_DC_PRED) | (1 << UV_V_PRED) | (1 << UV_H_PRED) |
54 (1 << UV_D45_PRED) | (1 << UV_D135_PRED) | (1 << UV_D113_PRED) |
55 (1 << UV_D157_PRED) | (1 << UV_D203_PRED) | (1 << UV_D67_PRED) |
56 (1 << UV_SMOOTH_PRED) | (1 << UV_SMOOTH_V_PRED) |
57 (1 << UV_SMOOTH_H_PRED) | (1 << UV_PAETH_PRED) | (1 << UV_CFL_PRED),
58 UV_INTRA_DC = (1 << UV_DC_PRED),
59 UV_INTRA_DC_CFL = (1 << UV_DC_PRED) | (1 << UV_CFL_PRED),
60 UV_INTRA_DC_TM = (1 << UV_DC_PRED) | (1 << UV_PAETH_PRED),
61 UV_INTRA_DC_PAETH_CFL =
62 (1 << UV_DC_PRED) | (1 << UV_PAETH_PRED) | (1 << UV_CFL_PRED),
63 UV_INTRA_DC_H_V = (1 << UV_DC_PRED) | (1 << UV_V_PRED) | (1 << UV_H_PRED),
64 UV_INTRA_DC_H_V_CFL = (1 << UV_DC_PRED) | (1 << UV_V_PRED) |
65 (1 << UV_H_PRED) | (1 << UV_CFL_PRED),
66 UV_INTRA_DC_PAETH_H_V = (1 << UV_DC_PRED) | (1 << UV_PAETH_PRED) |
67 (1 << UV_V_PRED) | (1 << UV_H_PRED),
68 UV_INTRA_DC_PAETH_H_V_CFL = (1 << UV_DC_PRED) | (1 << UV_PAETH_PRED) |
69 (1 << UV_V_PRED) | (1 << UV_H_PRED) |
70 (1 << UV_CFL_PRED),
71 INTRA_DC = (1 << DC_PRED),
72 INTRA_DC_TM = (1 << DC_PRED) | (1 << PAETH_PRED),
73 INTRA_DC_H_V = (1 << DC_PRED) | (1 << V_PRED) | (1 << H_PRED),
74 INTRA_DC_H_V_SMOOTH =
75 (1 << DC_PRED) | (1 << V_PRED) | (1 << H_PRED) | (1 << SMOOTH_PRED),
76 INTRA_DC_PAETH_H_V =
77 (1 << DC_PRED) | (1 << PAETH_PRED) | (1 << V_PRED) | (1 << H_PRED)
78};
79
80enum {
81 INTER_ALL = (1 << NEARESTMV) | (1 << NEARMV) | (1 << GLOBALMV) |
82 (1 << NEWMV) | (1 << NEAREST_NEARESTMV) | (1 << NEAR_NEARMV) |
83 (1 << NEW_NEWMV) | (1 << NEAREST_NEWMV) | (1 << NEAR_NEWMV) |
84 (1 << NEW_NEARMV) | (1 << NEW_NEARESTMV) | (1 << GLOBAL_GLOBALMV),
85 INTER_NEAREST_NEAR_ZERO = (1 << NEARESTMV) | (1 << NEARMV) | (1 << GLOBALMV) |
86 (1 << NEAREST_NEARESTMV) | (1 << GLOBAL_GLOBALMV) |
87 (1 << NEAREST_NEWMV) | (1 << NEW_NEARESTMV) |
88 (1 << NEW_NEARMV) | (1 << NEAR_NEWMV) |
89 (1 << NEAR_NEARMV),
90};
91
92enum {
93 DISABLE_ALL_INTER_SPLIT = (1 << THR_COMP_GA) | (1 << THR_COMP_LA) |
94 (1 << THR_ALTR) | (1 << THR_GOLD) | (1 << THR_LAST),
95
96 DISABLE_ALL_SPLIT = (1 << THR_INTRA) | DISABLE_ALL_INTER_SPLIT,
97
98 DISABLE_COMPOUND_SPLIT = (1 << THR_COMP_GA) | (1 << THR_COMP_LA),
99
100 LAST_AND_INTRA_SPLIT_ONLY = (1 << THR_COMP_GA) | (1 << THR_COMP_LA) |
101 (1 << THR_ALTR) | (1 << THR_GOLD)
102};
103
104enum {
105 TXFM_CODING_SF = 1,
106 INTER_PRED_SF = 2,
107 INTRA_PRED_SF = 4,
108 PARTITION_SF = 8,
109 LOOP_FILTER_SF = 16,
110 RD_SKIP_SF = 32,
111 RESERVE_2_SF = 64,
112 RESERVE_3_SF = 128,
113} UENUM1BYTE(DEV_SPEED_FEATURES);
114
115/* This enumeration defines when the rate control recode loop will be
116 * enabled.
117 */
118enum {
119 /*
120 * No recodes allowed
121 */
122 DISALLOW_RECODE = 0,
123 /*
124 * Allow recode only for KF/ARF/GF frames
125 */
126 ALLOW_RECODE_KFARFGF = 1,
127 /*
128 * Allow recode for all frame types based on bitrate constraints.
129 */
130 ALLOW_RECODE = 2,
131} UENUM1BYTE(RECODE_LOOP_TYPE);
132
133enum {
134 SUBPEL_TREE = 0,
135 SUBPEL_TREE_PRUNED = 1, // Prunes 1/2-pel searches
136 SUBPEL_TREE_PRUNED_MORE = 2, // Prunes 1/2-pel searches more aggressively
137} UENUM1BYTE(SUBPEL_SEARCH_METHODS);
138
139enum {
140 // Try the full image with different values.
141 LPF_PICK_FROM_FULL_IMAGE,
142 // Try the full image filter search with non-dual filter only.
143 LPF_PICK_FROM_FULL_IMAGE_NON_DUAL,
144 // Try a small portion of the image with different values.
145 LPF_PICK_FROM_SUBIMAGE,
146 // Estimate the level based on quantizer and frame type
147 LPF_PICK_FROM_Q,
148 // Pick 0 to disable LPF if LPF was enabled last frame
149 LPF_PICK_MINIMAL_LPF
150} UENUM1BYTE(LPF_PICK_METHOD);
167
169enum {
170 // Terminate search early based on distortion so far compared to
171 // qp step, distortion in the neighborhood of the frame, etc.
172 FLAG_EARLY_TERMINATE = 1 << 0,
173
174 // Skips comp inter modes if the best so far is an intra mode.
175 FLAG_SKIP_COMP_BESTINTRA = 1 << 1,
176
177 // Skips oblique intra modes if the best so far is an inter mode.
178 FLAG_SKIP_INTRA_BESTINTER = 1 << 3,
179
180 // Skips oblique intra modes at angles 27, 63, 117, 153 if the best
181 // intra so far is not one of the neighboring directions.
182 FLAG_SKIP_INTRA_DIRMISMATCH = 1 << 4,
183
184 // Skips intra modes other than DC_PRED if the source variance is small
185 FLAG_SKIP_INTRA_LOWVAR = 1 << 5,
186} UENUM1BYTE(MODE_SEARCH_SKIP_LOGIC);
187
188enum {
189 // No tx type pruning
190 TX_TYPE_PRUNE_0 = 0,
191 // adaptively prunes the least perspective tx types out of all 16
192 // (tuned to provide negligible quality loss)
193 TX_TYPE_PRUNE_1 = 1,
194 // similar, but applies much more aggressive pruning to get better speed-up
195 TX_TYPE_PRUNE_2 = 2,
196 TX_TYPE_PRUNE_3 = 3,
197 // More aggressive pruning based on tx type score and allowed tx count
198 TX_TYPE_PRUNE_4 = 4,
199 TX_TYPE_PRUNE_5 = 5,
200} UENUM1BYTE(TX_TYPE_PRUNE_MODE);
201
202enum {
203 // No reaction to rate control on a detected slide/scene change.
204 NO_DETECTION = 0,
205
206 // Set to larger Q based only on the detected slide/scene change and
207 // current/past Q.
208 FAST_DETECTION_MAXQ = 1,
209} UENUM1BYTE(OVERSHOOT_DETECTION_CBR);
210
211enum {
212 // Turns off multi-winner mode. So we will do txfm search on either all modes
213 // if winner mode is off, or we will only on txfm search on a single winner
214 // mode.
215 MULTI_WINNER_MODE_OFF = 0,
216
217 // Limits the number of winner modes to at most 2
218 MULTI_WINNER_MODE_FAST = 1,
219
220 // Uses the default number of winner modes, which is 3 for intra mode, and 1
221 // for inter mode.
222 MULTI_WINNER_MODE_DEFAULT = 2,
223
224 // Maximum number of winner modes allowed.
225 MULTI_WINNER_MODE_LEVELS,
226} UENUM1BYTE(MULTI_WINNER_MODE_TYPE);
227
228enum {
229 PRUNE_NEARMV_OFF = 0, // Turn off nearmv pruning
230 PRUNE_NEARMV_LEVEL1 = 1, // Prune nearmv for qindex (0-85)
231 PRUNE_NEARMV_LEVEL2 = 2, // Prune nearmv for qindex (0-170)
232 PRUNE_NEARMV_LEVEL3 = 3, // Prune nearmv more aggressively for qindex (0-170)
233 PRUNE_NEARMV_MAX = PRUNE_NEARMV_LEVEL3,
234} UENUM1BYTE(PRUNE_NEARMV_LEVEL);
235
236typedef struct {
237 TX_TYPE_PRUNE_MODE prune_2d_txfm_mode;
238 int fast_intra_tx_type_search;
239
240 // INT_MAX: Disable fast search.
241 // 1 - 1024: Probability threshold used for conditionally forcing tx type,
242 // during mode search.
243 // 0: Force tx type to be DCT_DCT unconditionally, during
244 // mode search.
245 int fast_inter_tx_type_prob_thresh;
246
247 // Prune less likely chosen transforms for each intra mode. The speed
248 // feature ranges from 0 to 2, for different speed / compression trade offs.
249 int use_reduced_intra_txset;
250
251 // Use a skip flag prediction model to detect blocks with skip = 1 early
252 // and avoid doing full TX type search for such blocks.
253 int use_skip_flag_prediction;
254
255 // Threshold used by the ML based method to predict TX block split decisions.
256 int ml_tx_split_thresh;
257
258 // skip remaining transform type search when we found the rdcost of skip is
259 // better than applying transform
260 int skip_tx_search;
261
262 // Prune tx type search using previous frame stats.
263 int prune_tx_type_using_stats;
264 // Prune tx type search using estimated RDcost
265 int prune_tx_type_est_rd;
266
267 // Flag used to control the winner mode processing for tx type pruning for
268 // inter blocks. It enables further tx type mode pruning based on ML model for
269 // mode evaluation and disables tx type mode pruning for winner mode
270 // processing.
271 int winner_mode_tx_type_pruning;
272} TX_TYPE_SEARCH;
273
274enum {
275 // Search partitions using RD criterion
276 SEARCH_PARTITION,
277
278 // Always use a fixed size partition
279 FIXED_PARTITION,
280
281 // Partition using source variance
282 VAR_BASED_PARTITION,
283
284#if CONFIG_RT_ML_PARTITIONING
285 // Partition using ML model
286 ML_BASED_PARTITION
287#endif
288} UENUM1BYTE(PARTITION_SEARCH_TYPE);
289
290enum {
291 NOT_IN_USE,
292 DIRECT_PRED,
293 RELAXED_PRED,
294 ADAPT_PRED
295} UENUM1BYTE(MAX_PART_PRED_MODE);
296
297enum {
298 LAST_MV_DATA,
299 CURRENT_Q,
300 QTR_ONLY,
301} UENUM1BYTE(MV_PREC_LOGIC);
302
303enum {
304 SUPERRES_AUTO_ALL, // Tries all possible superres ratios
305 SUPERRES_AUTO_DUAL, // Tries no superres and q-based superres ratios
306 SUPERRES_AUTO_SOLO, // Only apply the q-based superres ratio
307} UENUM1BYTE(SUPERRES_AUTO_SEARCH_TYPE);
332
355
364
382
446
474
476typedef struct TPL_SPEED_FEATURES {
477 // GOP length adaptive decision.
478 // If set to 0, tpl model decides whether a shorter gf interval is better.
479 // If set to 1, tpl stats of ARFs from base layer, (base+1) layer and
480 // (base+2) layer decide whether a shorter gf interval is better.
481 // If set to 2, tpl stats of ARFs from base layer, (base+1) layer and GF boost
482 // decide whether a shorter gf interval is better.
483 // If set to 3, gop length adaptive decision is disabled.
484 int gop_length_decision_method;
485 // Prune the intra modes search by tpl.
486 // If set to 0, we will search all intra modes from DC_PRED to PAETH_PRED.
487 // If set to 1, we only search DC_PRED, V_PRED, and H_PRED.
488 int prune_intra_modes;
489 // This parameter controls which step in the n-step process we start at.
490 int reduce_first_step_size;
491 // Skip motion estimation based on the precision of center MVs and the
492 // difference between center MVs.
493 // If set to 0, motion estimation is skipped for duplicate center MVs
494 // (default). If set to 1, motion estimation is skipped for duplicate
495 // full-pixel center MVs. If set to 2, motion estimation is skipped if the
496 // difference between center MVs is less than the threshold.
497 int skip_alike_starting_mv;
498
499 // When to stop subpel search.
500 SUBPEL_FORCE_STOP subpel_force_stop;
501
502 // Which search method to use.
503 SEARCH_METHODS search_method;
504
505 // Prune starting mvs in TPL based on sad scores.
506 int prune_starting_mv;
507
508 // Not run TPL for filtered Key frame.
509 int disable_filtered_key_tpl;
510
511 // Prune reference frames in TPL.
512 int prune_ref_frames_in_tpl;
513
514 // Support compound predictions.
515 int allow_compound_pred;
516
517 // Calculate rate and distortion based on Y plane only.
518 int use_y_only_rate_distortion;
519} TPL_SPEED_FEATURES;
520
521typedef struct GLOBAL_MOTION_SPEED_FEATURES {
522 GM_SEARCH_TYPE gm_search_type;
523
524 // During global motion estimation, prune remaining reference frames in a
525 // given direction(past/future), if the evaluated ref_frame in that direction
526 // yields gm_type as INVALID/TRANSLATION/IDENTITY
527 int prune_ref_frame_for_gm_search;
528
529 // When the current GM type is set to ZEROMV, prune ZEROMV if its performance
530 // is worse than NEWMV under SSE metric.
531 // 0 : no pruning
532 // 1 : conservative pruning
533 // 2 : aggressive pruning
535
536 // Disable global motion estimation based on stats of previous frames in the
537 // GF group
538 int disable_gm_search_based_on_stats;
539} GLOBAL_MOTION_SPEED_FEATURES;
540
541typedef struct PARTITION_SPEED_FEATURES {
542 PARTITION_SEARCH_TYPE partition_search_type;
543
544 // Used if partition_search_type = FIXED_PARTITION
545 BLOCK_SIZE fixed_partition_size;
546
547 // Prune extended partition types search
548 // Can take values 0 - 2, 0 referring to no pruning, and 1 - 2 increasing
549 // aggressiveness of pruning in order.
550 int prune_ext_partition_types_search_level;
551
552 // Prune part4 based on block size
553 int prune_part4_search;
554
555 // Use a ML model to prune rectangular, ab and 4-way horz
556 // and vert partitions
557 int ml_prune_partition;
558
559 // Use a ML model to adaptively terminate partition search after trying
560 // PARTITION_SPLIT. Can take values 0 - 2, 0 meaning not being enabled, and
561 // 1 - 2 increasing aggressiveness in order.
562 int ml_early_term_after_part_split_level;
563
564 // Skip rectangular partition test when partition type none gives better
565 // rd than partition type split. Can take values 0 - 2, 0 referring to no
566 // skipping, and 1 - 2 increasing aggressiveness of skipping in order.
567 int less_rectangular_check_level;
568
569 // Use square partition only beyond this block size.
570 BLOCK_SIZE use_square_partition_only_threshold;
571
572 // Sets max square partition levels for this superblock based on
573 // motion vector and prediction error distribution produced from 16x16
574 // simple motion search
575 MAX_PART_PRED_MODE auto_max_partition_based_on_simple_motion;
576
577 // Min and max square partition size we enable (block_size) as per auto
578 // min max, but also used by adjust partitioning, and pick_partitioning.
579 BLOCK_SIZE default_min_partition_size;
580 BLOCK_SIZE default_max_partition_size;
581
582 // Sets level of adjustment of variance-based partitioning during
583 // rd_use_partition 0 - no partition adjustment, 1 - try to merge partitions
584 // for small blocks and high QP, 2 - try to merge partitions, 3 - try to merge
585 // and split leaf partitions and 0 - 3 decreasing aggressiveness in order.
586 int adjust_var_based_rd_partitioning;
587
588 // Partition search early breakout thresholds.
589 int64_t partition_search_breakout_dist_thr;
590 int partition_search_breakout_rate_thr;
591
592 // Thresholds for ML based partition search breakout.
593 int ml_partition_search_breakout_thresh[PARTITION_BLOCK_SIZES];
594
595 // Aggressiveness levels for pruning split and rectangular partitions based on
596 // simple_motion_search. SIMPLE_AGG_LVL0 to SIMPLE_AGG_LVL3 correspond to
597 // simple motion search based pruning. QIDX_BASED_AGG_LVL1 corresponds to
598 // qindex based and simple motion search based pruning.
599 int simple_motion_search_prune_agg;
600
601 // Perform simple_motion_search on each possible subblock and use it to prune
602 // PARTITION_HORZ and PARTITION_VERT.
603 int simple_motion_search_prune_rect;
604
605 // Perform simple motion search before none_partition to decide if we
606 // want to remove all partitions other than PARTITION_SPLIT. If set to 0, this
607 // model is disabled. If set to 1, the model attempts to perform
608 // PARTITION_SPLIT only. If set to 2, the model also attempts to prune
609 // PARTITION_SPLIT.
610 int simple_motion_search_split;
611
612 // Use features from simple_motion_search to terminate prediction block
613 // partition after PARTITION_NONE
614 int simple_motion_search_early_term_none;
615
616 // Controls whether to reduce the number of motion search steps. If this is 0,
617 // then simple_motion_search has the same number of steps as
618 // single_motion_search (assuming no other speed features). Otherwise, reduce
619 // the number of steps by the value contained in this variable.
620 int simple_motion_search_reduce_search_steps;
621
622 // This variable controls the maximum block size where intra blocks can be
623 // used in inter frames.
624 // TODO(aconverse): Fold this into one of the other many mode skips
625 BLOCK_SIZE max_intra_bsize;
626
627 // Use CNN with luma pixels on source frame on each of the 64x64 subblock to
628 // perform partition pruning in intra frames.
629 // 0: No Pruning
630 // 1: Prune split and rectangular partitions only
631 // 2: Prune none, split and rectangular partitions
632 int intra_cnn_based_part_prune_level;
633
634 // Disable extended partition search for lower block sizes.
635 int ext_partition_eval_thresh;
636
637 // Disable rectangular partitions for larger block sizes.
638 int rect_partition_eval_thresh;
639
640 // prune extended partition search
641 // 0 : no pruning
642 // 1 : prune 1:4 partition search using winner info from split partitions
643 // 2 : prune 1:4 and AB partition search using split and HORZ/VERT info
644 int prune_ext_part_using_split_info;
645
646 // Prunt rectangular, AB and 4-way partition based on q index and block size
647 // 0 : no pruning
648 // 1 : prune sub_8x8 at very low quantizers
649 // 2 : prune all block size based on qindex
650 int prune_rectangular_split_based_on_qidx;
651
652 // Terminate partition search for child partition,
653 // when NONE and SPLIT partition rd_costs are INT64_MAX.
654 int early_term_after_none_split;
655
656 // Level used to adjust threshold for av1_ml_predict_breakout(). At lower
657 // levels, more conservative threshold is used, and value of 0 indicates
658 // av1_ml_predict_breakout() is disabled. Value of 3 corresponds to default
659 // case with no adjustment to lbd thresholds.
660 int ml_predict_breakout_level;
661
662 // Prune sub_8x8 (BLOCK_4X4, BLOCK_4X8 and BLOCK_8X4) partitions.
663 // 0 : no pruning
664 // 1 : pruning based on neighbour block information
665 // 2 : prune always
666 int prune_sub_8x8_partition_level;
667
668 // Prune rectangular split based on simple motion search split/no_split score.
669 // 0: disable pruning, 1: enable pruning
670 int simple_motion_search_rect_split;
671
672 // The current encoder adopts a DFS search for block partitions.
673 // Therefore the mode selection and associated rdcost is ready for smaller
674 // blocks before the mode selection for some partition types.
675 // AB partition could use previous rd information and skip mode search.
676 // An example is:
677 //
678 // current block
679 // +---+---+
680 // | |
681 // + +
682 // | |
683 // +-------+
684 //
685 // SPLIT partition has been searched first before trying HORZ_A
686 // +---+---+
687 // | R | R |
688 // +---+---+
689 // | R | R |
690 // +---+---+
691 //
692 // HORZ_A
693 // +---+---+
694 // | | |
695 // +---+---+
696 // | |
697 // +-------+
698 //
699 // With this speed feature, the top two sub blocks can directly use rdcost
700 // searched in split partition, and the mode info is also copied from
701 // saved info. Similarly, the bottom rectangular block can also use
702 // the available information from previous rectangular search.
703 int reuse_prev_rd_results_for_part_ab;
704
705 // Reuse the best prediction modes found in PARTITION_SPLIT and PARTITION_RECT
706 // when encoding PARTITION_AB.
707 int reuse_best_prediction_for_part_ab;
708
709 // The current partition search records the best rdcost so far and uses it
710 // in mode search and transform search to early skip when some criteria is
711 // met. For example, when the current rdcost is larger than the best rdcost,
712 // or the model rdcost is larger than the best rdcost times some thresholds.
713 // By default, this feature is turned on to speed up the encoder partition
714 // search.
715 // If disabling it, at speed 0, 30 frames, we could get
716 // about -0.25% quality gain (psnr, ssim, vmaf), with about 13% slowdown.
717 int use_best_rd_for_pruning;
718
719 // Skip evaluation of non-square partitions based on the corresponding NONE
720 // partition.
721 // 0: no pruning
722 // 1: prune extended partitions if NONE is skippable
723 // 2: on top of 1, prune rectangular partitions if NONE is inter, not a newmv
724 // mode and skippable
725 int skip_non_sq_part_based_on_none;
726
727 // Disables 8x8 and below partitions for low quantizers.
728 int disable_8x8_part_based_on_qidx;
729} PARTITION_SPEED_FEATURES;
730
731typedef struct MV_SPEED_FEATURES {
732 // Motion search method (Diamond, NSTEP, Hex, Big Diamond, Square, etc).
733 SEARCH_METHODS search_method;
734
735 // Enable the use of faster, less accurate mv search method
736 // 0: disable, 1: if bsize >= BLOCK_32X32, 2: based on bsize, SAD and qp
737 // TODO(chiyotsai@google.com): Take the clip's resolution and mv activity into
738 // account.
739 int use_bsize_dependent_search_method;
740
741 // If this is set to 1, we limit the motion search range to 2 times the
742 // largest motion vector found in the last frame.
743 int auto_mv_step_size;
744
745 // Subpel_search_method can only be subpel_tree which does a subpixel
746 // logarithmic search that keeps stepping at 1/2 pixel units until
747 // you stop getting a gain, and then goes on to 1/4 and repeats
748 // the same process. Along the way it skips many diagonals.
749 SUBPEL_SEARCH_METHODS subpel_search_method;
750
751 // Maximum number of steps in logarithmic subpel search before giving up.
752 int subpel_iters_per_step;
753
754 // When to stop subpel search.
755 SUBPEL_FORCE_STOP subpel_force_stop;
756
757 // When to stop subpel search in simple motion search.
758 SUBPEL_FORCE_STOP simple_motion_subpel_force_stop;
759
760 // If true, sub-pixel search uses the exact convolve function used for final
761 // encoding and decoding; otherwise, it uses bilinear interpolation.
762 SUBPEL_SEARCH_TYPE use_accurate_subpel_search;
763
764 // Threshold for allowing exhaustive motion search.
765 int exhaustive_searches_thresh;
766
767 // Pattern to be used for any exhaustive mesh searches (except intraBC ME).
768 MESH_PATTERN mesh_patterns[MAX_MESH_STEP];
769
770 // Pattern to be used for exhaustive mesh searches of intraBC ME.
771 MESH_PATTERN intrabc_mesh_patterns[MAX_MESH_STEP];
772
773 // Reduce single motion search range based on MV result of prior ref_mv_idx.
774 int reduce_search_range;
775
776 // Prune mesh search.
777 PRUNE_MESH_SEARCH_LEVEL prune_mesh_search;
778
779 // Use the rd cost around the best FULLPEL_MV to speed up subpel search
780 int use_fullpel_costlist;
781
782 // Set the full pixel search level of obmc
783 // 0: obmc_full_pixel_diamond
784 // 1: obmc_refining_search_sad (faster)
785 int obmc_full_pixel_search_level;
786
787 // Accurate full pixel motion search based on TPL stats.
788 int full_pixel_search_level;
789
790 // Whether to downsample the rows in sad calculation during motion search.
791 // This is only active when there are at least 16 rows.
792 int use_downsampled_sad;
793
794 // Enable/disable extensive joint motion search.
795 int disable_extensive_joint_motion_search;
796
797 // Enable second best mv check in joint mv search.
798 // 0: allow second MV (use rd cost as the metric)
799 // 1: use var as the metric
800 // 2: disable second MV
801 int disable_second_mv;
802
803 // Skips full pixel search based on start mv of prior ref_mv_idx.
804 int skip_fullpel_search_using_startmv;
805} MV_SPEED_FEATURES;
806
807typedef struct INTER_MODE_SPEED_FEATURES {
808 // 2-pass inter mode model estimation where the preliminary pass skips
809 // transform search and uses a model to estimate rd, while the final pass
810 // computes the full transform search. Two types of models are supported:
811 // 0: not used
812 // 1: used with online dynamic rd model
813 // 2: used with static rd model
814 int inter_mode_rd_model_estimation;
815
816 // Bypass transform search based on skip rd
817 int txfm_rd_gate_level;
818
819 // Limit the inter mode tested in the RD loop
820 int reduce_inter_modes;
821
822 // This variable is used to cap the maximum number of times we skip testing a
823 // mode to be evaluated. A high value means we will be faster.
824 int adaptive_rd_thresh;
825
826 // Aggressively prune inter modes when best mode is skippable.
827 int prune_inter_modes_if_skippable;
828
829 // Drop less likely to be picked reference frames in the RD search.
830 // Has seven levels for now: 0, 1, 2, 3, 4, 5 and 6 where higher levels prune
831 // more aggressively than lower ones. (0 means no pruning).
832 int selective_ref_frame;
833
834 // Prune reference frames for rectangular partitions.
835 // 0 implies no pruning
836 // 1 implies prune for extended partition
837 // 2 implies prune horiz, vert and extended partition
838 int prune_ref_frame_for_rect_partitions;
839
840 // Prune inter modes w.r.t past reference frames
841 // 0 no pruning
842 // 1 prune inter modes w.r.t ALTREF2 and ALTREF reference frames
843 // 2 prune inter modes w.r.t BWDREF, ALTREF2 and ALTREF reference frames
844 int alt_ref_search_fp;
845
846 // Prune compound reference frames
847 // 0 no pruning
848 // 1 prune compound references which do not satisfy the two conditions:
849 // a) The references are at a nearest distance from the current frame in
850 // both past and future direction.
851 // b) The references have minimum pred_mv_sad in both past and future
852 // direction.
853 // 2 prune compound references except the one with nearest distance from the
854 // current frame in both past and future direction.
855 int prune_comp_ref_frames;
856
857 // Skip the current ref_mv in NEW_MV mode based on mv, rate cost, etc.
858 // This speed feature equaling 0 means no skipping.
859 // If the speed feature equals 1 or 2, skip the current ref_mv in NEW_MV mode
860 // if we have already encountered ref_mv in the drl such that:
861 // 1. The other drl has the same mv during the SIMPLE_TRANSLATION search
862 // process as the current mv.
863 // 2. The rate needed to encode the current mv is larger than that for the
864 // other ref_mv.
865 // The speed feature equaling 1 means using subpel mv in the comparison.
866 // The speed feature equaling 2 means using fullpel mv in the comparison.
867 // If the speed feature >= 3, skip the current ref_mv in NEW_MV mode based on
868 // known full_mv bestsme and drl cost.
869 int skip_newmv_in_drl;
870
871 // This speed feature checks duplicate ref MVs among NEARESTMV, NEARMV,
872 // GLOBALMV and skips NEARMV or GLOBALMV (in order) if a duplicate is found
873 // TODO(any): Instead of skipping repeated ref mv, use the recalculated
874 // rd-cost based on mode rate and skip the mode evaluation
875 int skip_repeated_ref_mv;
876
877 // Flag used to control the ref_best_rd based gating for chroma
878 int perform_best_rd_based_gating_for_chroma;
879
880 // Reuse the inter_intra_mode search result from NEARESTMV mode to other
881 // single ref modes
882 int reuse_inter_intra_mode;
883
884 // prune wedge and compound segment approximate rd evaluation based on
885 // compound average modeled rd
886 int prune_comp_type_by_model_rd;
887
888 // prune wedge and compound segment approximate rd evaluation based on
889 // compound average rd/ref_best_rd
890 int prune_comp_type_by_comp_avg;
891
892 // Skip some ref frames in compound motion search by single motion search
893 // result. Has three levels for now: 0 referring to no skipping, and 1 - 3
894 // increasing aggressiveness of skipping in order.
895 // Note: The search order might affect the result. It assumes that the single
896 // reference modes are searched before compound modes. It is better to search
897 // same single inter mode as a group.
898 int prune_comp_search_by_single_result;
899
900 // Instead of performing a full MV search, do a simple translation first
901 // and only perform a full MV search on the motion vectors that performed
902 // well.
903 int prune_mode_search_simple_translation;
904
905 // Only search compound modes with at least one "good" reference frame.
906 // A reference frame is good if, after looking at its performance among
907 // the single reference modes, it is one of the two best performers.
908 int prune_compound_using_single_ref;
909
910 // Skip extended compound mode (NEAREST_NEWMV, NEW_NEARESTMV, NEAR_NEWMV,
911 // NEW_NEARMV) using ref frames of above and left neighbor
912 // blocks.
913 // 0 : no pruning
914 // 1 : prune ext compound modes using neighbor blocks (less aggressiveness)
915 // 2 : prune ext compound modes using neighbor blocks (high aggressiveness)
916 // 3 : prune ext compound modes unconditionally (highest aggressiveness)
917 int prune_ext_comp_using_neighbors;
918
919 // Skip NEW_NEARMV and NEAR_NEWMV extended compound modes
920 int skip_ext_comp_nearmv_mode;
921
922 // Skip extended compound mode when ref frame corresponding to NEWMV does not
923 // have NEWMV as single mode winner.
924 // 0 : no pruning
925 // 1 : prune extended compound mode (less aggressiveness)
926 // 2 : prune extended compound mode (high aggressiveness)
927 int prune_comp_using_best_single_mode_ref;
928
929 // Skip NEARESTMV and NEARMV using weight computed in ref mv list population
930 // This speed feature sometimes leads to severe visual artifacts for
931 // the overlay frame. It makes inter RD mode search skip NEARESTMV
932 // and NEARMV, and no valid inter mode is evaluated when the NEWMV mode
933 // is also early terminated due to the constraint that it does not handle
934 // zero mv difference. In this cases, intra modes will be chosen, leading
935 // to bad prediction and flickering artifacts.
936 // Turn off this feature for now. Be careful to check visual quality if
937 // anyone is going to turn it on.
938 int prune_nearest_near_mv_using_refmv_weight;
939
940 // Based on previous ref_mv_idx search result, prune the following search.
941 int prune_ref_mv_idx_search;
942
943 // Disable one sided compound modes.
944 int disable_onesided_comp;
945
946 // Prune obmc search using previous frame stats.
947 // INT_MAX : disable obmc search
948 int prune_obmc_prob_thresh;
949
950 // Prune warped motion search using previous frame stats.
951 int prune_warped_prob_thresh;
952
953 // Variance threshold to enable/disable Interintra wedge search
954 unsigned int disable_interintra_wedge_var_thresh;
955
956 // Variance threshold to enable/disable Interinter wedge search
957 unsigned int disable_interinter_wedge_var_thresh;
958
959 // De-couple wedge and mode search during interintra RDO.
960 int fast_interintra_wedge_search;
961
962 // Whether fast wedge sign estimate is used
963 int fast_wedge_sign_estimate;
964
965 // Enable/disable ME for interinter wedge search.
966 int disable_interinter_wedge_newmv_search;
967
968 // Decide when and how to use joint_comp.
969 DIST_WTD_COMP_FLAG use_dist_wtd_comp_flag;
970
971 // Clip the frequency of updating the mv cost.
972 INTERNAL_COST_UPDATE_TYPE mv_cost_upd_level;
973
974 // Clip the frequency of updating the coeff cost.
975 INTERNAL_COST_UPDATE_TYPE coeff_cost_upd_level;
976
977 // Clip the frequency of updating the mode cost.
978 INTERNAL_COST_UPDATE_TYPE mode_cost_upd_level;
979
980 // Prune inter modes based on tpl stats
981 // 0 : no pruning
982 // 1 - 3 indicate increasing aggressiveness in order.
983 int prune_inter_modes_based_on_tpl;
984
985 // Skip NEARMV and NEAR_NEARMV modes using ref frames of above and left
986 // neighbor blocks and qindex.
987 PRUNE_NEARMV_LEVEL prune_nearmv_using_neighbors;
988
989 // Model based breakout after interpolation filter search
990 // 0: no breakout
991 // 1: use model based rd breakout
992 int model_based_post_interp_filter_breakout;
993
994 // Reuse compound type rd decision when exact match is found
995 // 0: No reuse
996 // 1: Reuse the compound type decision
997 int reuse_compound_type_decision;
998
999 // Enable/disable masked compound.
1000 int disable_masked_comp;
1001
1002 // Enable/disable the fast compound mode search.
1003 int enable_fast_compound_mode_search;
1004
1005 // Reuse masked compound type search results
1006 int reuse_mask_search_results;
1007
1008 // Enable/disable fast search for wedge masks
1009 int enable_fast_wedge_mask_search;
1010
1011 // Early breakout from transform search of inter modes
1012 int inter_mode_txfm_breakout;
1013
1014 // Limit number of inter modes for txfm search if a newmv mode gets
1015 // evaluated among the top modes.
1016 // 0: no pruning
1017 // 1 to 3 indicate increasing order of aggressiveness
1018 int limit_inter_mode_cands;
1019
1020 // Cap the no. of txfm searches for a given prediction mode.
1021 // 0: no cap, 1: cap beyond first 4 searches, 2: cap beyond first 3 searches.
1022 int limit_txfm_eval_per_mode;
1023
1024 // Prune warped motion search based on block size.
1025 int extra_prune_warped;
1026
1027 // Do not search compound modes for ARF.
1028 // The intuition is that ARF is predicted by frames far away from it,
1029 // whose temporal correlations with the ARF are likely low.
1030 // It is therefore likely that compound modes do not work as well for ARF
1031 // as other inter frames.
1032 // Speed/quality impact:
1033 // Speed 1: 12% faster, 0.1% psnr loss.
1034 // Speed 2: 2% faster, 0.05% psnr loss.
1035 // No change for speed 3 and up, because |disable_onesided_comp| is true.
1036 int skip_arf_compound;
1037} INTER_MODE_SPEED_FEATURES;
1038
1039typedef struct INTERP_FILTER_SPEED_FEATURES {
1040 // Do limited interpolation filter search for dual filters, since best choice
1041 // usually includes EIGHTTAP_REGULAR.
1042 int use_fast_interpolation_filter_search;
1043
1044 // Disable dual filter
1045 int disable_dual_filter;
1046
1047 // Save results of av1_interpolation_filter_search for a block
1048 // Check mv and ref_frames before search, if they are very close with previous
1049 // saved results, filter search can be skipped.
1050 int use_interp_filter;
1051
1052 // skip sharp_filter evaluation based on regular and smooth filter rd for
1053 // dual_filter=0 case
1054 int skip_sharp_interp_filter_search;
1055
1056 // skip interpolation filter search for a block in chessboard pattern
1057 int cb_pred_filter_search;
1058
1059 // adaptive interp_filter search to allow skip of certain filter types.
1060 int adaptive_interp_filter_search;
1061} INTERP_FILTER_SPEED_FEATURES;
1062
1063typedef struct INTRA_MODE_SPEED_FEATURES {
1064 // These bit masks allow you to enable or disable intra modes for each
1065 // transform size separately.
1066 int intra_y_mode_mask[TX_SIZES];
1067 int intra_uv_mode_mask[TX_SIZES];
1068
1069 // flag to allow skipping intra mode for inter frame prediction
1070 int skip_intra_in_interframe;
1071
1072 // Prune intra mode candidates based on source block histogram of gradient.
1073 // Applies to luma plane only.
1074 // Feasible values are 0..4. The feature is disabled for 0. An increasing
1075 // value indicates more aggressive pruning threshold.
1076 int intra_pruning_with_hog;
1077
1078 // Prune intra mode candidates based on source block histogram of gradient.
1079 // Applies to chroma plane only.
1080 // Feasible values are 0..4. The feature is disabled for 0. An increasing
1081 // value indicates more aggressive pruning threshold.
1082 int chroma_intra_pruning_with_hog;
1083
1084 // Enable/disable smooth intra modes.
1085 int disable_smooth_intra;
1086
1087 // Prune UV_SMOOTH_PRED mode for chroma based on chroma source variance.
1088 // false : No pruning
1089 // true : Prune UV_SMOOTH_PRED mode based on chroma source variance
1090 //
1091 // For allintra encode, this speed feature reduces instruction count
1092 // by 1.90%, 2.21% and 1.97% for speed 6, 7 and 8 with coding performance
1093 // change less than 0.04%. For AVIF image encode, this speed feature reduces
1094 // encode time by 1.56%, 2.14% and 0.90% for speed 6, 7 and 8 on a typical
1095 // image dataset with coding performance change less than 0.05%.
1096 bool prune_smooth_intra_mode_for_chroma;
1097
1098 // Prune filter intra modes in intra frames.
1099 // 0 : No pruning
1100 // 1 : Evaluate applicable filter intra modes based on best intra mode so far
1101 // 2 : Do not evaluate filter intra modes
1102 int prune_filter_intra_level;
1103
1104 // prune palette search
1105 // 0: No pruning
1106 // 1: Perform coarse search to prune the palette colors. For winner colors,
1107 // neighbors are also evaluated using a finer search.
1108 // 2: Perform 2 way palette search from max colors to min colors (and min
1109 // colors to remaining colors) and terminate the search if current number of
1110 // palette colors is not the winner.
1111 int prune_palette_search_level;
1112
1113 // Terminate early in luma palette_size search. Speed feature values indicate
1114 // increasing level of pruning.
1115 // 0: No early termination
1116 // 1: Terminate early for higher luma palette_size, if header rd cost of lower
1117 // palette_size is more than 2 * best_rd. This level of pruning is more
1118 // conservative when compared to sf level 2 as the cases which will get pruned
1119 // with sf level 1 is a subset of the cases which will get pruned with sf
1120 // level 2.
1121 // 2: Terminate early for higher luma palette_size, if header rd cost of lower
1122 // palette_size is more than best_rd.
1123 // For allintra encode, this sf reduces instruction count by 2.49%, 1.07%,
1124 // 2.76%, 2.30%, 1.84%, 2.69%, 2.04%, 2.05% and 1.44% for speed 0, 1, 2, 3, 4,
1125 // 5, 6, 7 and 8 on screen content set with coding performance change less
1126 // than 0.01% for speed <= 2 and less than 0.03% for speed >= 3. For AVIF
1127 // image encode, this sf reduces instruction count by 1.94%, 1.13%, 1.29%,
1128 // 0.93%, 0.89%, 1.03%, 1.07%, 1.20% and 0.18% for speed 0, 1, 2, 3, 4, 5, 6,
1129 // 7 and 8 on a typical image dataset with coding performance change less than
1130 // 0.01%.
1131 int prune_luma_palette_size_search_level;
1132
1133 // Prune chroma intra modes based on luma intra mode winner.
1134 // 0: No pruning
1135 // 1: Prune chroma intra modes other than UV_DC_PRED, UV_SMOOTH_PRED,
1136 // UV_CFL_PRED and the mode that corresponds to luma intra mode winner.
1137 int prune_chroma_modes_using_luma_winner;
1138
1139 // Clip the frequency of updating the mv cost for intrabc.
1140 INTERNAL_COST_UPDATE_TYPE dv_cost_upd_level;
1141
1142 // We use DCT_DCT transform followed by computing SATD (Sum of Absolute
1143 // Transformed Differences) as an estimation of RD score to quickly find the
1144 // best possible Chroma from Luma (CFL) parameter. Then we do a full RD search
1145 // near the best possible parameter. The search range is set here.
1146 // The range of cfl_searh_range should be [1, 33], and the following are the
1147 // recommended values.
1148 // 1: Fastest mode.
1149 // 3: Default mode that provides good speedup without losing compression
1150 // performance at speed 0.
1151 // 33: Exhaustive rd search (33 == CFL_MAGS_SIZE). This mode should only
1152 // be used for debugging purpose.
1153 int cfl_search_range;
1154
1155 // TOP_INTRA_MODEL_COUNT is 4 that is the number of top model rd to store in
1156 // intra mode decision. Here, add a speed feature to reduce this number for
1157 // higher speeds.
1158 int top_intra_model_count_allowed;
1159
1160 // Adapt top_intra_model_count_allowed locally to prune luma intra modes using
1161 // neighbor block and quantizer information.
1162 int adapt_top_model_rd_count_using_neighbors;
1163
1164 // Prune the evaluation of odd delta angles of directional luma intra modes by
1165 // using the rdcosts of neighbouring delta angles.
1166 // For allintra encode, this speed feature reduces instruction count
1167 // by 4.461%, 3.699% and 3.536% for speed 6, 7 and 8 on a typical video
1168 // dataset with coding performance change less than 0.26%. For AVIF image
1169 // encode, this speed feature reduces encode time by 2.849%, 2.471%,
1170 // and 2.051% for speed 6, 7 and 8 on a typical image dataset with coding
1171 // performance change less than 0.27%.
1172 int prune_luma_odd_delta_angles_in_intra;
1173
1174 // Terminate early in chroma palette_size search.
1175 // 0: No early termination
1176 // 1: Terminate early for higher palette_size, if header rd cost of lower
1177 // palette_size is more than best_rd.
1178 // For allintra encode, this sf reduces instruction count by 0.45%,
1179 // 0.62%, 1.73%, 2.50%, 2.89%, 3.09% and 3.86% for speed 0 to 6 on screen
1180 // content set with coding performance change less than 0.01%.
1181 // For AVIF image encode, this sf reduces instruction count by 0.45%, 0.81%,
1182 // 0.85%, 1.05%, 1.45%, 1.66% and 1.95% for speed 0 to 6 on a typical image
1183 // dataset with no quality drop.
1184 int early_term_chroma_palette_size_search;
1185
1186 // Skips the evaluation of filter intra modes in inter frames if rd evaluation
1187 // of luma intra dc mode results in invalid rd stats.
1188 int skip_filter_intra_in_inter_frames;
1189} INTRA_MODE_SPEED_FEATURES;
1190
1191typedef struct TX_SPEED_FEATURES {
1192 // Init search depth for square and rectangular transform partitions.
1193 // Values:
1194 // 0 - search full tree, 1: search 1 level, 2: search the highest level only
1195 int inter_tx_size_search_init_depth_sqr;
1196 int inter_tx_size_search_init_depth_rect;
1197 int intra_tx_size_search_init_depth_sqr;
1198 int intra_tx_size_search_init_depth_rect;
1199
1200 // If any dimension of a coding block size above 64, always search the
1201 // largest transform only, since the largest transform block size is 64x64.
1202 int tx_size_search_lgr_block;
1203
1204 TX_TYPE_SEARCH tx_type_search;
1205
1206 // Skip split transform block partition when the collocated bigger block
1207 // is selected as all zero coefficients.
1208 int txb_split_cap;
1209
1210 // Shortcut the transform block partition and type search when the target
1211 // rdcost is relatively lower.
1212 // Values are 0 (not used) , or 1 - 2 with progressively increasing
1213 // aggressiveness
1214 int adaptive_txb_search_level;
1215
1216 // Prune level for tx_size_type search for inter based on rd model
1217 // 0: no pruning
1218 // 1-2: progressively increasing aggressiveness of pruning
1219 int model_based_prune_tx_search_level;
1220
1221 // Refine TX type after fast TX search.
1222 int refine_fast_tx_search_results;
1223
1224 // Prune transform split/no_split eval based on residual properties. A value
1225 // of 0 indicates no pruning, and the aggressiveness of pruning progressively
1226 // increases from levels 1 to 3.
1227 int prune_tx_size_level;
1228
1229 // Prune the evaluation of transform depths as decided by the NN model.
1230 // false: No pruning.
1231 // true : Avoid the evaluation of specific transform depths using NN model.
1232 //
1233 // For allintra encode, this speed feature reduces instruction count
1234 // by 4.76%, 8.92% and 11.28% for speed 6, 7 and 8 with coding performance
1235 // change less than 0.32%. For AVIF image encode, this speed feature reduces
1236 // encode time by 4.65%, 9.16% and 10.45% for speed 6, 7 and 8 on a typical
1237 // image dataset with coding performance change less than 0.19%.
1238 bool prune_intra_tx_depths_using_nn;
1239} TX_SPEED_FEATURES;
1240
1241typedef struct RD_CALC_SPEED_FEATURES {
1242 // Fast approximation of av1_model_rd_from_var_lapndz
1243 int simple_model_rd_from_var;
1244
1245 // Perform faster distortion computation during the R-D evaluation by trying
1246 // to approximate the prediction error with transform coefficients (faster but
1247 // less accurate) rather than computing distortion in the pixel domain (slower
1248 // but more accurate). The following methods are used for distortion
1249 // computation:
1250 // Method 0: Always compute distortion in the pixel domain
1251 // Method 1: Based on block error, try using transform domain distortion for
1252 // tx_type search and compute distortion in pixel domain for final RD_STATS
1253 // Method 2: Based on block error, try to compute distortion in transform
1254 // domain
1255 // Methods 1 and 2 may fallback to computing distortion in the pixel domain in
1256 // case the block error is less than the threshold, which is controlled by the
1257 // speed feature tx_domain_dist_thres_level.
1258 //
1259 // The speed feature tx_domain_dist_level decides which of the above methods
1260 // needs to be used across different mode evaluation stages as described
1261 // below:
1262 // Eval type: Default Mode Winner
1263 // Level 0 : Method 0 Method 2 Method 0
1264 // Level 1 : Method 1 Method 2 Method 0
1265 // Level 2 : Method 2 Method 2 Method 0
1266 // Level 3 : Method 2 Method 2 Method 2
1267 int tx_domain_dist_level;
1268
1269 // Transform domain distortion threshold level
1270 int tx_domain_dist_thres_level;
1271
1272 // Trellis (dynamic programming) optimization of quantized values
1273 TRELLIS_OPT_TYPE optimize_coefficients;
1274
1275 // Use hash table to store macroblock RD search results
1276 // to avoid repeated search on the same residue signal.
1277 int use_mb_rd_hash;
1278
1279 // Flag used to control the extent of coeff R-D optimization
1280 int perform_coeff_opt;
1281} RD_CALC_SPEED_FEATURES;
1282
1283typedef struct WINNER_MODE_SPEED_FEATURES {
1284 // Flag used to control the winner mode processing for better R-D optimization
1285 // of quantized coeffs
1286 int enable_winner_mode_for_coeff_opt;
1287
1288 // Flag used to control the winner mode processing for transform size
1289 // search method
1290 int enable_winner_mode_for_tx_size_srch;
1291
1292 // Control transform size search level
1293 // Eval type: Default Mode Winner
1294 // Level 0 : FULL RD LARGEST ALL FULL RD
1295 // Level 1 : FAST RD LARGEST ALL FULL RD
1296 // Level 2 : LARGEST ALL LARGEST ALL FULL RD
1297 // Level 3 : LARGEST ALL LARGEST ALL LARGEST ALL
1298 int tx_size_search_level;
1299
1300 // Flag used to control the winner mode processing for use transform
1301 // domain distortion
1302 int enable_winner_mode_for_use_tx_domain_dist;
1303
1304 // Flag used to enable processing of multiple winner modes
1305 MULTI_WINNER_MODE_TYPE multi_winner_mode_type;
1306
1307 // Motion mode for winner candidates:
1308 // 0: speed feature OFF
1309 // 1 / 2 : Use configured number of winner candidates
1310 int motion_mode_for_winner_cand;
1311
1312 // Controls the prediction of transform skip block or DC only block.
1313 //
1314 // Different speed feature values (0 to 3) decide the aggressiveness of
1315 // prediction (refer to predict_dc_levels[][] in speed_features.c) to be used
1316 // during different mode evaluation stages.
1317 int dc_blk_pred_level;
1318
1319 // If on, disables interpolation filter search in handle_inter_mode loop, and
1320 // performs it during winner mode processing by \ref
1321 // tx_search_best_inter_candidates.
1322 int winner_mode_ifs;
1323
1324 // Controls the disabling of winner mode processing. Speed feature levels
1325 // are ordered in increasing aggressiveness of pruning. The method considered
1326 // for disabling, depends on the sf level value and it is described as below.
1327 // 0: Do not disable
1328 // 1: Disable for blocks with low source variance.
1329 // 2: Disable for blocks which turn out to be transform skip (skipped based on
1330 // eob) during MODE_EVAL stage except NEWMV mode.
1331 // 3: Disable for blocks which turn out to be transform skip during MODE_EVAL
1332 // stage except NEWMV mode. For high quantizers, prune conservatively based on
1333 // transform skip (skipped based on eob) except for NEWMV mode.
1334 // 4: Disable for blocks which turn out to be transform skip during MODE_EVAL
1335 // stage.
1336 int prune_winner_mode_eval_level;
1337} WINNER_MODE_SPEED_FEATURES;
1338
1339typedef struct LOOP_FILTER_SPEED_FEATURES {
1340 // This feature controls how the loop filter level is determined.
1341 LPF_PICK_METHOD lpf_pick;
1342
1343 // Skip some final iterations in the determination of the best loop filter
1344 // level.
1345 int use_coarse_filter_level_search;
1346
1347 // Control how the CDEF strength is determined.
1348 CDEF_PICK_METHOD cdef_pick_method;
1349
1350 // Decoder side speed feature to add penalty for use of dual-sgr filters.
1351 // Takes values 0 - 10, 0 indicating no penalty and each additional level
1352 // adding a penalty of 1%
1353 int dual_sgr_penalty_level;
1354
1355 // prune sgr ep using binary search like mechanism
1356 int enable_sgr_ep_pruning;
1357
1358 // Disable loop restoration for Chroma plane
1359 int disable_loop_restoration_chroma;
1360
1361 // Disable loop restoration for luma plane
1362 int disable_loop_restoration_luma;
1363
1364 // Prune RESTORE_WIENER evaluation based on source variance
1365 // 0 : no pruning
1366 // 1 : conservative pruning
1367 // 2 : aggressive pruning
1368 int prune_wiener_based_on_src_var;
1369
1370 // Prune self-guided loop restoration based on wiener search results
1371 // 0 : no pruning
1372 // 1 : pruning based on rdcost ratio of RESTORE_WIENER and RESTORE_NONE
1373 // 2 : pruning based on winner restoration type among RESTORE_WIENER and
1374 // RESTORE_NONE
1375 int prune_sgr_based_on_wiener;
1376
1377 // Reduce the wiener filter win size for luma
1378 int reduce_wiener_window_size;
1379
1380 // Disable loop restoration filter
1381 int disable_lr_filter;
1382
1383 // Whether to downsample the rows in computation of wiener stats.
1384 int use_downsampled_wiener_stats;
1385} LOOP_FILTER_SPEED_FEATURES;
1386
1387typedef struct REAL_TIME_SPEED_FEATURES {
1388 // check intra prediction for non-RD mode.
1389 int check_intra_pred_nonrd;
1390
1391 // Skip checking intra prediction.
1392 // 0 - don't skip
1393 // 1 - skip if TX is skipped and best mode is not NEWMV
1394 // 2 - skip if TX is skipped
1395 // Skipping aggressiveness increases from level 1 to 2.
1396 int skip_intra_pred;
1397
1398 // Perform coarse ME before calculating variance in variance-based partition
1399 int estimate_motion_for_var_based_partition;
1400
1401 // For nonrd_use_partition: mode of extra check of leaf partition
1402 // 0 - don't check merge
1403 // 1 - always check merge
1404 // 2 - check merge and prune checking final split
1405 // 3 - check merge and prune checking final split based on bsize and qindex
1406 int nonrd_check_partition_merge_mode;
1407
1408 // For nonrd_use_partition: check of leaf partition extra split
1409 int nonrd_check_partition_split;
1410
1411 // Implements various heuristics to skip searching modes
1412 // The heuristics selected are based on flags
1413 // defined in the MODE_SEARCH_SKIP_HEURISTICS enum
1414 unsigned int mode_search_skip_flags;
1415
1416 // For nonrd: Reduces ref frame search.
1417 // 0 - low level of search prune in non last frames
1418 // 1 - pruned search in non last frames
1419 // 2 - more pruned search in non last frames
1420 int nonrd_prune_ref_frame_search;
1421
1422 // This flag controls the use of non-RD mode decision.
1423 int use_nonrd_pick_mode;
1424
1425 // Use ALTREF frame in non-RD mode decision.
1426 int use_nonrd_altref_frame;
1427
1428 // Use compound reference for non-RD mode.
1429 int use_comp_ref_nonrd;
1430
1431 // Reference frames for compound prediction for nonrd pickmode:
1432 // LAST_GOLDEN (0), LAST_LAST2 (1), or LAST_ALTREF (2).
1433 int ref_frame_comp_nonrd[3];
1434
1435 // use reduced ref set for real-time mode
1436 int use_real_time_ref_set;
1437
1438 // Skip a number of expensive mode evaluations for blocks with very low
1439 // temporal variance.
1440 int short_circuit_low_temp_var;
1441
1442 // Reuse inter prediction in fast non-rd mode.
1443 int reuse_inter_pred_nonrd;
1444
1445 // Number of best inter modes to search transform. INT_MAX - search all.
1446 int num_inter_modes_for_tx_search;
1447
1448 // Use interpolation filter search in non-RD mode decision.
1449 int use_nonrd_filter_search;
1450
1451 // Use simplified RD model for interpolation search and Intra
1452 int use_simple_rd_model;
1453
1454 // If set forces interpolation filter to EIGHTTAP_REGULAR
1455 int skip_interp_filter_search;
1456
1457 // For nonrd mode: use hybrid intra mode search for intra only frames based on
1458 // block properties.
1459 // 0 : use nonrd pick intra for all blocks
1460 // 1 : use rd for bsize < 16x16, nonrd otherwise
1461 // 2 : use rd for bsize < 16x16 and src var >= 101, nonrd otherwise
1462 int hybrid_intra_pickmode;
1463
1464 // Compute variance/sse on source difference, prior to encoding superblock.
1465 int source_metrics_sb_nonrd;
1466
1467 // Flag to indicate process for handling overshoot on slide/scene change,
1468 // for real-time CBR mode.
1469 OVERSHOOT_DETECTION_CBR overshoot_detection_cbr;
1470
1471 // Check for scene/content change detection on every frame before encoding.
1472 int check_scene_detection;
1473
1474 // For nonrd mode: Prefer larger partition blks in variance based partitioning
1475 // 0: disabled, 1-3: increasing aggressiveness
1476 int prefer_large_partition_blocks;
1477
1478 // uses results of temporal noise estimate
1479 int use_temporal_noise_estimate;
1480
1481 // Parameter indicating initial search window to be used in full-pixel search
1482 // for nonrd_pickmode. Range [0, MAX_MVSEARCH_STEPS - 1]. Lower value
1483 // indicates larger window. If set to 0, step_param is set based on internal
1484 // logic in set_mv_search_params().
1485 int fullpel_search_step_param;
1486
1487 // Bit mask to enable or disable intra modes for each prediction block size
1488 // separately, for nonrd_pickmode. Currently, the sf is not respected when
1489 // 'force_intra_check' is true in 'estimate_intra_mode()' function. Also, H
1490 // and V pred modes allowed through this sf can be further pruned when
1491 //'prune_hv_pred_modes_using_src_sad' sf is true.
1492 int intra_y_mode_bsize_mask_nrd[BLOCK_SIZES];
1493
1494 // Prune H and V intra predition modes evalution in inter frame.
1495 // The sf does not have any impact.
1496 // i. when frame_source_sad is 1.1 times greater than avg_source_sad
1497 // ii. when cyclic_refresh_segment_id_boosted is enabled
1498 // iii. when SB level source sad is greater than kMedSad
1499 // iv. when color sensitivity is non zero for both the chroma channels
1500 bool prune_hv_pred_modes_using_src_sad;
1501
1502 // Skips mode checks more aggressively in nonRD mode
1503 int nonrd_aggressive_skip;
1504
1505 // Skip cdef on 64x64 blocks when NEWMV or INTRA is not picked or color
1506 // sensitivity is off. When color sensitivity is on for a superblock, all
1507 // 64x64 blocks within will not skip.
1508 int skip_cdef_sb;
1509
1510 // Forces larger partition blocks in variance based partitioning for intra
1511 // frames
1512 int force_large_partition_blocks_intra;
1513
1514 // Skip evaluation of no split in tx size selection for merge partition
1515 int skip_tx_no_split_var_based_partition;
1516
1517 // Intermediate termination of newMV mode evaluation based on so far best mode
1518 // sse
1519 int skip_newmv_mode_based_on_sse;
1520
1521 // Define gf length multiplier.
1522 // Level 0: use large multiplier, level 1: use medium multiplier.
1523 int gf_length_lvl;
1524
1525 // Prune inter modes with golden frame as reference for NEARMV and NEWMV modes
1526 int prune_inter_modes_with_golden_ref;
1527
1528 // Prune inter modes w.r.t golden or alt-ref frame based on sad
1529 int prune_inter_modes_wrt_gf_arf_based_on_sad;
1530
1531 // Prune inter mode search in rd path based on current block's temporal
1532 // variance wrt LAST reference.
1533 int prune_inter_modes_using_temp_var;
1534
1535 // Reduce MV precision to halfpel for higher int MV value & frame-level motion
1536 // 0: disabled
1537 // 1-2: Reduce precision to halfpel, fullpel based on conservative
1538 // thresholds, aggressiveness increases with increase in level
1539 // 3: Reduce precision to halfpel using more aggressive thresholds
1540 int reduce_mv_pel_precision_highmotion;
1541
1542 // Reduce MV precision for low complexity blocks
1543 // 0: disabled
1544 // 1: Reduce the mv resolution for zero mv if the variance is low
1545 // 2: Switch to halfpel, fullpel based on low block spatial-temporal
1546 // complexity.
1547 int reduce_mv_pel_precision_lowcomplex;
1548
1549 // Prune intra mode evaluation in inter frames based on mv range.
1550 BLOCK_SIZE prune_intra_mode_based_on_mv_range;
1551 // The number of times to left shift the splitting thresholds in variance
1552 // based partitioning. The minimum values should be 7 to avoid left shifting
1553 // by a negative number.
1554 int var_part_split_threshold_shift;
1555
1556 // Qindex based variance partition threshold index, which determines
1557 // the aggressiveness of partition pruning
1558 // 0: disabled for speeds 9,10
1559 // 1,2: (rd-path) lowers qindex thresholds conditionally (for low SAD sb)
1560 // 3,4: (non-rd path) uses pre-tuned qindex thresholds
1561 int var_part_based_on_qidx;
1562
1563 // Enable GF refresh based on Q value.
1564 int gf_refresh_based_on_qp;
1565
1566 // Temporal filtering
1567 // The value can be 1 or 2, which indicates the threshold to use.
1568 int use_rtc_tf;
1569
1570 // Prune the use of the identity transform in nonrd_pickmode,
1571 // used for screen content mode: only for smaller blocks
1572 // and higher spatial variance, and when skip_txfm is not
1573 // already set.
1574 int prune_idtx_nonrd;
1575
1576 // Skip loopfilter, for static content after slide change
1577 // or key frame, once quality has ramped up.
1578 int skip_lf_screen;
1579
1580 // For nonrd: early exit out of variance partition that sets the
1581 // block size to superblock size, and sets mode to zeromv-last skip.
1582 // 0: disabled
1583 // 1: zeromv-skip is enabled at SB level only
1584 // 2: zeromv-skip is enabled at SB level and coding block level
1585 int part_early_exit_zeromv;
1586
1587 // Early terminate inter mode search based on sse in non-rd path.
1588 INTER_SEARCH_EARLY_TERM_IDX sse_early_term_inter_search;
1589
1590 // SAD based adaptive altref selection
1591 int sad_based_adp_altref_lag;
1592
1593 // Enable/disable partition direct merging.
1594 int partition_direct_merging;
1595
1596 // Level of aggressiveness for obtaining tx size based on qstep
1597 int tx_size_level_based_on_qstep;
1598
1599 // Avoid the partitioning of a 16x16 block in variance based partitioning
1600 // (VBP) by making use of minimum and maximum sub-block variances.
1601 // For allintra encode, this speed feature reduces instruction count by 5.39%
1602 // for speed 9 on a typical video dataset with coding performance gain
1603 // of 1.44%.
1604 // For AVIF image encode, this speed feature reduces encode time
1605 // by 8.44% for speed 9 on a typical image dataset with coding performance
1606 // gain of 0.78%.
1607 bool vbp_prune_16x16_split_using_min_max_sub_blk_var;
1608
1609 // A qindex threshold that determines whether to use qindex based CDEF filter
1610 // strength estimation for screen content types. The strength estimation model
1611 // used for screen contents prefers to allow cdef filtering for more frames.
1612 // This sf is used to limit the frames which go through cdef filtering and
1613 // following explains the setting of the same.
1614 // MAXQ (255): This disables the usage of this sf. Here, frame does not use a
1615 // screen content model thus reduces the number of frames that go through cdef
1616 // filtering.
1617 // MINQ (0): Frames always use screen content model thus increasing the number
1618 // of frames that go through cdef filtering.
1619 // This speed feature has a substantial gain on coding metrics, with moderate
1620 // increase encoding time. Select threshold based on speed vs quality
1621 // trade-off.
1622 int screen_content_cdef_filter_qindex_thresh;
1623
1624 // Prune compound mode if its variance is higher than the variance of single
1625 // modes.
1626 bool prune_compoundmode_with_singlecompound_var;
1627
1628 // Allow mode cost update at frame level every couple frames. This
1629 // overrides the command line setting --mode-cost-upd-freq=3 (never update
1630 // except on key frame and first delta).
1631 bool frame_level_mode_cost_update;
1632
1633 // Prune H_PRED during intra mode evaluation in the nonrd path based on best
1634 // mode so far.
1635 //
1636 // For allintra encode, this speed feature reduces instruction count by 1.10%
1637 // for speed 9 with coding performance change less than 0.04%.
1638 // For AVIF image encode, this speed feature reduces encode time by 1.03% for
1639 // speed 9 on a typical image dataset with coding performance change less than
1640 // 0.08%.
1641 bool prune_h_pred_using_best_mode_so_far;
1642
1643 // If compound is enabled, and the current block size is \geq BLOCK_16X16,
1644 // limit the compound modes to GLOBAL_GLOBALMV. This does not apply to the
1645 // base layer of svc.
1646 bool check_only_zero_zeromv_on_large_blocks;
1647
1648 // Allow for disabling cdf update for non reference frames in svc mode.
1649 bool disable_cdf_update_non_reference_frame;
1650
1651 // Prune compound modes if the single modes variances do not perform well.
1652 bool prune_compoundmode_with_singlemode_var;
1653
1654 // Skip searching all compound mode if the variance of single_mode residue is
1655 // sufficiently low.
1656 bool skip_compound_based_on_var;
1657
1658 // Sets force_zeromv_skip based on the source sad available. Aggressiveness
1659 // increases with increase in the level set for speed feature.
1660 // 0: No setting
1661 // 1: If source sad is kZeroSad
1662 // 2: If source sad <= kVeryLowSad
1663 int set_zeromv_skip_based_on_source_sad;
1664
1665 // Downgrades the block-level subpel motion search to
1666 // av1_find_best_sub_pixel_tree_pruned_more for higher QP and when fullpel
1667 // search performed well, zeromv has low sad or low source_var
1668 bool use_adaptive_subpel_search;
1669
1670 // A flag used in RTC case to control frame_refs_short_signaling. Note that
1671 // the final decision is made in check_frame_refs_short_signaling(). The flag
1672 // can only be turned on when res < 360p and speed >= 9, in which case only
1673 // LAST and GOLDEN ref frames are used now.
1674 bool enable_ref_short_signaling;
1675
1676 // A flag that controls if we check or bypass GLOBALMV in rtc single ref frame
1677 // case.
1678 bool check_globalmv_on_single_ref;
1679} REAL_TIME_SPEED_FEATURES;
1680
1686typedef struct SPEED_FEATURES {
1691
1696
1700 TPL_SPEED_FEATURES tpl_sf;
1701
1705 GLOBAL_MOTION_SPEED_FEATURES gm_sf;
1706
1710 PARTITION_SPEED_FEATURES part_sf;
1711
1715 MV_SPEED_FEATURES mv_sf;
1716
1720 INTER_MODE_SPEED_FEATURES inter_sf;
1721
1725 INTERP_FILTER_SPEED_FEATURES interp_sf;
1726
1730 INTRA_MODE_SPEED_FEATURES intra_sf;
1731
1735 TX_SPEED_FEATURES tx_sf;
1736
1740 RD_CALC_SPEED_FEATURES rd_sf;
1741
1745 WINNER_MODE_SPEED_FEATURES winner_mode_sf;
1746
1750 LOOP_FILTER_SPEED_FEATURES lpf_sf;
1751
1755 REAL_TIME_SPEED_FEATURES rt_sf;
1759struct AV1_COMP;
1760
1774 int speed);
1775
1788 int speed);
1801
1802#ifdef __cplusplus
1803} // extern "C"
1804#endif
1805
1806#endif // AOM_AV1_ENCODER_SPEED_FEATURES_H_
static int prune_zero_mv_with_sse(const aom_variance_fn_ptr_t *fn_ptr, const MACROBLOCK *x, BLOCK_SIZE bsize, const HandleInterModeArgs *args, int prune_zero_mv_with_sse)
Prunes ZeroMV Search Using Best NEWMV's SSE.
Definition rdopt.c:2476
void av1_set_speed_features_framesize_independent(struct AV1_COMP *cpi, int speed)
Frame size independent speed vs quality trade off flags.
void av1_set_speed_features_qindex_dependent(struct AV1_COMP *cpi, int speed)
Q index dependent speed vs quality trade off flags.
void av1_set_speed_features_framesize_dependent(struct AV1_COMP *cpi, int speed)
Frame size dependent speed vs quality trade off flags.
INTERNAL_COST_UPDATE_TYPE
This enum decides internally how often to update the entropy costs.
Definition speed_features.h:325
@ INTERNAL_COST_UPD_OFF
Definition speed_features.h:326
@ INTERNAL_COST_UPD_SBROW_SET
Definition speed_features.h:328
@ INTERNAL_COST_UPD_SBROW
Definition speed_features.h:329
@ INTERNAL_COST_UPD_SB
Definition speed_features.h:330
@ INTERNAL_COST_UPD_TILE
Definition speed_features.h:327
INTER_SEARCH_EARLY_TERM_IDX
This enumeration defines inter search early termination index in non-rd path based on sse value.
Definition speed_features.h:369
@ EARLY_TERM_INDICES
Definition speed_features.h:380
@ EARLY_TERM_IDX_1
Definition speed_features.h:372
@ EARLY_TERM_IDX_4
Definition speed_features.h:378
@ EARLY_TERM_IDX_2
Definition speed_features.h:374
@ EARLY_TERM_DISABLED
Definition speed_features.h:370
@ EARLY_TERM_IDX_3
Definition speed_features.h:376
SIMPLE_MOTION_SEARCH_PRUNE_LEVEL
This enumeration defines a variety of simple motion search based partition prune levels.
Definition speed_features.h:337
@ QIDX_BASED_AGG_LVL1
Definition speed_features.h:343
@ SIMPLE_AGG_LVL3
Definition speed_features.h:342
@ TOTAL_SIMPLE_AGG_LVLS
Definition speed_features.h:346
@ SIMPLE_AGG_LVL1
Definition speed_features.h:340
@ SIMPLE_AGG_LVL0
Definition speed_features.h:339
@ TOTAL_AGG_LVLS
Definition speed_features.h:352
@ SIMPLE_AGG_LVL2
Definition speed_features.h:341
@ TOTAL_QINDEX_BASED_AGG_LVLS
Definition speed_features.h:348
PRUNE_MESH_SEARCH_LEVEL
This enumeration defines a variety of mesh search prune levels.
Definition speed_features.h:359
@ PRUNE_MESH_SEARCH_LVL_1
Definition speed_features.h:361
@ PRUNE_MESH_SEARCH_LVL_2
Definition speed_features.h:362
@ PRUNE_MESH_SEARCH_DISABLED
Definition speed_features.h:360
CDEF_PICK_METHOD
This enumeration defines a variety of CDEF pick methods.
Definition speed_features.h:156
@ CDEF_FAST_SEARCH_LVL2
Definition speed_features.h:159
@ CDEF_FAST_SEARCH_LVL5
Definition speed_features.h:163
@ CDEF_FAST_SEARCH_LVL1
Definition speed_features.h:158
@ CDEF_FULL_SEARCH
Definition speed_features.h:157
@ CDEF_PICK_FROM_Q
Definition speed_features.h:164
@ CDEF_FAST_SEARCH_LVL4
Definition speed_features.h:162
@ CDEF_FAST_SEARCH_LVL3
Definition speed_features.h:160
Top level encoder structure.
Definition encoder.h:2759
int speed
Definition encoder.h:2976
Definition speed_features.h:450
int disable_recon
Skips reconstruction by using source buffers for prediction.
Definition speed_features.h:467
int reduce_mv_step_param
Reduces the mv search window. By default, the initial search window is around MIN(MIN(dims),...
Definition speed_features.h:457
int skip_zeromv_motion_search
Skips the motion search centered on 0,0 mv.
Definition speed_features.h:472
int skip_motion_search_threshold
Skips the motion search when the zero mv has small sse.
Definition speed_features.h:462
Sequence/frame level speed vs quality features.
Definition speed_features.h:386
int second_alt_ref_filtering
Definition speed_features.h:431
int frame_parameter_update
Definition speed_features.h:388
MV_PREC_LOGIC high_precision_mv_usage
Definition speed_features.h:407
int disable_extra_sc_testing
Definition speed_features.h:426
int recode_tolerance
Definition speed_features.h:399
SUPERRES_AUTO_SEARCH_TYPE superres_auto_search_type
Definition speed_features.h:421
int static_segmentation
Definition speed_features.h:416
int accurate_bit_estimate
Definition speed_features.h:444
int num_frames_used_in_tf
Definition speed_features.h:437
RECODE_LOOP_TYPE recode_loop
Definition speed_features.h:393
Top level speed vs quality trade off data struture.
Definition speed_features.h:1686
MV_SPEED_FEATURES mv_sf
Definition speed_features.h:1715
TPL_SPEED_FEATURES tpl_sf
Definition speed_features.h:1700
LOOP_FILTER_SPEED_FEATURES lpf_sf
Definition speed_features.h:1750
TX_SPEED_FEATURES tx_sf
Definition speed_features.h:1735
INTER_MODE_SPEED_FEATURES inter_sf
Definition speed_features.h:1720
RD_CALC_SPEED_FEATURES rd_sf
Definition speed_features.h:1740
PARTITION_SPEED_FEATURES part_sf
Definition speed_features.h:1710
GLOBAL_MOTION_SPEED_FEATURES gm_sf
Definition speed_features.h:1705
INTERP_FILTER_SPEED_FEATURES interp_sf
Definition speed_features.h:1725
FIRST_PASS_SPEED_FEATURES fp_sf
Definition speed_features.h:1695
INTRA_MODE_SPEED_FEATURES intra_sf
Definition speed_features.h:1730
WINNER_MODE_SPEED_FEATURES winner_mode_sf
Definition speed_features.h:1745
REAL_TIME_SPEED_FEATURES rt_sf
Definition speed_features.h:1755
HIGH_LEVEL_SPEED_FEATURES hl_sf
Definition speed_features.h:1690