Group speed features
Code refactoring. Grouped speed features by encoding components.
Change-Id: Ica61829bb84cbb0f5af6bbec9fb45b7a133097c2
diff --git a/av1/encoder/speed_features.h b/av1/encoder/speed_features.h
index e650af8..8756443 100644
--- a/av1/encoder/speed_features.h
+++ b/av1/encoder/speed_features.h
@@ -287,21 +287,31 @@
} UENUM1BYTE(DIST_WTD_COMP_FLAG);
typedef struct SPEED_FEATURES {
- MV_SPEED_FEATURES mv;
-
+ /*
+ * Sequence/frame level speed features:
+ */
// Frame level coding parameter update
int frame_parameter_update;
RECODE_LOOP_TYPE recode_loop;
- // Trellis (dynamic programming) optimization of quantized values
- TRELLIS_OPT_TYPE optimize_coefficients;
+ // This feature controls the tolerence vs target used in deciding whether to
+ // recode a frame. It has no meaning if recode is disabled.
+ int recode_tolerance;
- // Global motion warp error threshold
- GM_ERRORADV_TYPE gm_erroradv_type;
+ // Use reduced 1/8th pel mv usage, in the range 0 - 2, where
+ // 0: maximizes quality and does not reduce mv precision
+ // 1: more aggressive reduced usage of high precision MV
+ // 2: use only quarter pel motion
+ int reduce_high_precision_mv_usage;
- // Disable adaptive threshold for global motion warp error
- int disable_adaptive_warp_error_thresh;
+ // Whether to disable overlay frames for filtered Altref frames,
+ // overiding oxcf->enable_overlay flag set as 1.
+ int disable_overlay_frames;
+
+ // Enable/disable adaptively deciding whether or not to encode ALTREF overlay
+ // frame.
+ int adaptive_overlay_encoding;
// Always set to 0. If on it enables 0 cost background transmission
// (except for the initial transmission of the segmentation). The feature is
@@ -310,67 +320,38 @@
// adds overhead.
int static_segmentation;
- // Limit the inter mode tested in the RD loop
- int reduce_inter_modes;
+ /*
+ * Global motion speed features:
+ */
+ // Global motion warp error threshold
+ GM_ERRORADV_TYPE gm_erroradv_type;
+
+ // Disable adaptive threshold for global motion warp error
+ int disable_adaptive_warp_error_thresh;
// Do not compute the global motion parameters for a LAST2_FRAME or
// LAST3_FRAME if the GOLDEN_FRAME is closer and it has a non identity
// global model.
int selective_ref_gm;
- // If 1 we iterate finding a best reference for 2 ref frames together - via
- // a log search that iterates 4 times (check around mv for last for best
- // error of combined predictor then check around mv for alt). If 0 we
- // we just use the best motion vector found for each frame by itself.
- BLOCK_SIZE comp_inter_joint_search_thresh;
+ GM_SEARCH_TYPE gm_search_type;
- // This variable is used to cap the maximum number of times we skip testing a
- // mode to be evaluated. A high value means we will be faster.
- int adaptive_rd_thresh;
+ // whether to disable the global motion recode loop
+ int gm_disable_recode;
- // Init search depth for square and rectangular transform partitions.
- // Values:
- // 0 - search full tree, 1: search 1 level, 2: search the highest level only
- int inter_tx_size_search_init_depth_sqr;
- int inter_tx_size_search_init_depth_rect;
- int intra_tx_size_search_init_depth_sqr;
- int intra_tx_size_search_init_depth_rect;
- // If any dimension of a coding block size above 64, always search the
- // largest transform only, since the largest transform block size is 64x64.
- int tx_size_search_lgr_block;
+ // During global motion estimation, prune remaining reference frames in a
+ // given direction(past/future), if the evaluated ref_frame in that direction
+ // yields gm_type as INVALID/TRANSLATION/IDENTITY
+ int prune_ref_frame_for_gm_search;
+ /*
+ * Partition search speed features:
+ */
PARTITION_SEARCH_TYPE partition_search_type;
- TX_TYPE_SEARCH tx_type_search;
-
- // Skip split transform block partition when the collocated bigger block
- // is selected as all zero coefficients.
- int txb_split_cap;
-
- // Shortcut the transform block partition and type search when the target
- // rdcost is relatively lower.
- // Values are 0 (not used) , or 1 - 2 with progressively increasing
- // aggressiveness
- int adaptive_txb_search_level;
-
- // Prune level for tx_size_type search for inter based on rd model
- // 0: no pruning
- // 1-2: progressively increasing aggressiveness of pruning
- int model_based_prune_tx_search_level;
-
- // Model based breakout after interpolation filter search
- // 0: no breakout
- // 1: use model based rd breakout
- int model_based_post_interp_filter_breakout;
-
// Used if partition_search_type = FIXED_SIZE_PARTITION
BLOCK_SIZE always_this_block_size;
- // Drop less likely to be picked reference frames in the RD search.
- // Has five levels for now: 0, 1, 2, 3 and 4, where higher levels prune more
- // aggressively than lower ones. (0 means no pruning).
- int selective_ref_frame;
-
// Prune extended partition types search
// Can take values 0 - 2, 0 referring to no pruning, and 1 - 2 increasing
// aggressiveness of pruning in order.
@@ -398,12 +379,6 @@
// Use square partition only beyond this block size.
BLOCK_SIZE use_square_partition_only_threshold;
- // Prune reference frames for rectangular partitions.
- // 0 implies no pruning
- // 1 implies prune for extended partition
- // 2 implies prune horiz, vert and extended partition
- int prune_ref_frame_for_rect_partitions;
-
// Sets min and max square partition levels for this superblock based on
// motion vector and prediction error distribution produced from 16x16
// simple motion search
@@ -419,6 +394,44 @@
// frame's partitioning. Only used if use_lastframe_partitioning is set.
int adjust_partitioning_from_last_frame;
+ // Partition search early breakout thresholds.
+ int64_t partition_search_breakout_dist_thr;
+ int partition_search_breakout_rate_thr;
+
+ // Thresholds for ML based partition search breakout.
+ int ml_partition_search_breakout_thresh[PARTITION_BLOCK_SIZES];
+
+ // Allow skipping partition search for still image frame
+ int allow_partition_search_skip;
+
+ // The aggresiveness of pruning with simple_motion_search.
+ // Currently 0 is the lowest, and 2 the highest.
+ int simple_motion_search_prune_agg;
+
+ // Perform simple_motion_search on each possible subblock and use it to prune
+ // PARTITION_HORZ and PARTITION_VERT.
+ int simple_motion_search_prune_rect;
+
+ // Perform simple motion search before none_partition to decide if we
+ // want to remove all partitions other than PARTITION_SPLIT. If set to 0, this
+ // model is disabled. If set to 1, the model attempts to perform
+ // PARTITION_SPLIT only. If set to 2, the model also attempts to prune
+ // PARTITION_SPLIT.
+ int simple_motion_search_split;
+
+ // Use features from simple_motion_search to terminate prediction block
+ // partition after PARTITION_NONE
+ int simple_motion_search_early_term_none;
+
+ /*
+ * Motion search speed features:
+ */
+ MV_SPEED_FEATURES mv;
+
+ // If true, sub-pixel search uses the exact convolve function used for final
+ // encoding and decoding; otherwise, it uses bilinear interpolation.
+ SUBPEL_SEARCH_TYPE use_accurate_subpel_search;
+
// TODO(jingning): combine the related motion search speed features
// This allows us to use motion search at other sizes as a starting
// point for this motion search and limits the search range around it.
@@ -442,19 +455,132 @@
// Pattern to be used for exhaustive mesh searches of intraBC ME.
MESH_PATTERN intrabc_mesh_patterns[MAX_MESH_STEP];
+ // Use to control hash generation and use of the same
+ // Applicable only for screen contents
+ int disable_hash_me;
+
+ /*
+ * Inter mode search speed features:
+ */
+ // 2-pass inter mode model estimation where the preliminary pass skips
+ // transform search and uses a model to estimate rd, while the final pass
+ // computes the full transform search. Two types of models are supported:
+ // 0: not used
+ // 1: used with online dynamic rd model
+ // 2: used with static rd model
+ int inter_mode_rd_model_estimation;
+
+ // Perform a full TX search on some modes while using the
+ // inter-mode RD model for others. Currently not in use.
+ // TODO(any): Find out when we can actually skip tx_search on some modes.
+ int inter_mode_rd_model_estimation_adaptive;
+
+ // Limit the inter mode tested in the RD loop
+ int reduce_inter_modes;
+
// Adaptive prediction mode search
int adaptive_mode_search;
+ // This variable is used to cap the maximum number of times we skip testing a
+ // mode to be evaluated. A high value means we will be faster.
+ int adaptive_rd_thresh;
+
+ // Drop less likely to be picked reference frames in the RD search.
+ // Has five levels for now: 0, 1, 2, 3 and 4, where higher levels prune more
+ // aggressively than lower ones. (0 means no pruning).
+ int selective_ref_frame;
+
+ // Prune reference frames for rectangular partitions.
+ // 0 implies no pruning
+ // 1 implies prune for extended partition
+ // 2 implies prune horiz, vert and extended partition
+ int prune_ref_frame_for_rect_partitions;
+
+ // flag to drop some ref frames in compound motion search
+ int drop_ref;
+
int alt_ref_search_fp;
- // Implements various heuristics to skip searching modes
- // The heuristics selected are based on flags
- // defined in the MODE_SEARCH_SKIP_HEURISTICS enum
- unsigned int mode_search_skip_flags;
+ // flag to skip NEWMV mode in drl if the motion search result is the same
+ int skip_repeated_newmv;
- // A source variance threshold below which filter search is disabled
- // Choose a very large value (UINT_MAX) to use 8-tap always
- unsigned int disable_filter_search_var_thresh;
+ // Flag used to control the ref_best_rd based gating for chroma
+ int perform_best_rd_based_gating_for_chroma;
+
+ // Skip certain motion modes (OBMC, warped, interintra) for single reference
+ // motion search, using the results of single ref SIMPLE_TRANSLATION
+ int prune_single_motion_modes_by_simple_trans;
+
+ // Reuse the inter_intra_mode search result from NEARESTMV mode to other
+ // single ref modes
+ int reuse_inter_intra_mode;
+
+ // prune wedge and compound segment approximate rd evaluation based on
+ // compound average modeled rd
+ int prune_comp_type_by_model_rd;
+
+ // prune wedge and compound segment approximate rd evaluation based on
+ // compound average rd/ref_best_rd
+ int prune_comp_type_by_comp_avg;
+
+ // Skip some ref frames in compound motion search by single motion search
+ // result. Has three levels for now: 0 referring to no skipping, and 1 - 3
+ // increasing aggressiveness of skipping in order.
+ // Note: The search order might affect the result. It assumes that the single
+ // reference modes are searched before compound modes. It is better to search
+ // same single inter mode as a group.
+ int prune_comp_search_by_single_result;
+
+ // If 1 we iterate finding a best reference for 2 ref frames together - via
+ // a log search that iterates 4 times (check around mv for last for best
+ // error of combined predictor then check around mv for alt). If 0 we
+ // we just use the best motion vector found for each frame by itself.
+ BLOCK_SIZE comp_inter_joint_search_thresh;
+
+ // Instead of performing a full MV search, do a simple translation first
+ // and only perform a full MV search on the motion vectors that performed
+ // well.
+ int prune_mode_search_simple_translation;
+
+ // Only search compound modes with at least one "good" reference frame.
+ // A reference frame is good if, after looking at its performance among
+ // the single reference modes, it is one of the two best performers.
+ int prune_compound_using_single_ref;
+
+ // Based on previous ref_mv_idx search result, prune the following search.
+ int prune_ref_mv_idx_search;
+
+ // Disable one sided compound modes.
+ int disable_onesided_comp;
+
+ // Skip obmc or warped motion mode when neighborhood motion field is
+ // identical
+ int skip_obmc_in_uniform_mv_field;
+ int skip_wm_in_uniform_mv_field;
+
+ // Prune/gate motion mode evaluation based on token based rd
+ // during transform search for inter blocks
+ // Values are 0 (not used) , 1 - 3 with progressively increasing
+ // aggressiveness
+ int prune_motion_mode_level;
+
+ // Set the full pixel search level of obmc
+ // 0: obmc_full_pixel_diamond
+ // 1: obmc_refining_search_sad (faster)
+ int obmc_full_pixel_search_level;
+
+ // Prune obmc search using previous frame stats.
+ int prune_obmc_prob_thresh;
+
+ // Disable obmc.
+ int disable_obmc;
+
+ // Gate warp evaluation for motions of type IDENTITY,
+ // TRANSLATION and AFFINE(based on number of warp neighbors)
+ int prune_warp_using_wmtype;
+
+ // Enable/disable interintra wedge search.
+ int disable_wedge_interintra_search;
// Only enable wedge search if the edge strength is greater than
// this threshold. A value of 0 signals that this check is disabled.
@@ -469,67 +595,41 @@
// Whether to prune wedge search based on predictor difference
int prune_wedge_pred_diff_based;
- // These bit masks allow you to enable or disable intra modes for each
- // transform size separately.
- int intra_y_mode_mask[TX_SIZES];
- int intra_uv_mode_mask[TX_SIZES];
+ // Enable/disable ME for interinter wedge search.
+ int disable_interinter_wedge_newmv_search;
- // This feature controls how the loop filter level is determined.
- LPF_PICK_METHOD lpf_pick;
+ // Enable/disable ME for interinter diffwtd search. PSNR BD-rate gain of
+ // ~0.1 on the lowres test set, but ~15% slower computation.
+ int enable_interinter_diffwtd_newmv_search;
- // Control how the CDEF strength is determined.
- CDEF_PICK_METHOD cdef_pick_method;
+ // Enable/disable smooth inter-intra mode
+ int disable_smooth_interintra;
- // This feature controls whether we do the expensive context update and
- // calculation in the rd coefficient costing loop.
- int use_fast_coef_costing;
+ // Disable interinter_wedge
+ int disable_interinter_wedge;
- // This feature controls the tolerence vs target used in deciding whether to
- // recode a frame. It has no meaning if recode is disabled.
- int recode_tolerance;
+ // Decide when and how to use joint_comp.
+ DIST_WTD_COMP_FLAG use_dist_wtd_comp_flag;
- // This variable controls the maximum block size where intra blocks can be
- // used in inter frames.
- // TODO(aconverse): Fold this into one of the other many mode skips
- BLOCK_SIZE max_intra_bsize;
+ // Whether to override and disable sb level coeff cost updates, if
+ // cpi->oxcf.coeff_cost_upd_freq = COST_UPD_SB (i.e. set at SB level)
+ int disable_sb_level_coeff_cost_upd;
- // Partition search early breakout thresholds.
- int64_t partition_search_breakout_dist_thr;
- int partition_search_breakout_rate_thr;
+ // Whether to override and disable sb level mv cost updates, if
+ // cpi->oxcf.coeff_cost_upd_freq = COST_UPD_SB (i.e. set at SB level)
+ int disable_sb_level_mv_cost_upd;
- // Thresholds for ML based partition search breakout.
- int ml_partition_search_breakout_thresh[PARTITION_BLOCK_SIZES];
+ // Model based breakout after interpolation filter search
+ // 0: no breakout
+ // 1: use model based rd breakout
+ int model_based_post_interp_filter_breakout;
- // Allow skipping partition search for still image frame
- int allow_partition_search_skip;
-
- // Fast approximation of av1_model_rd_from_var_lapndz
- int simple_model_rd_from_var;
-
- // If true, sub-pixel search uses the exact convolve function used for final
- // encoding and decoding; otherwise, it uses bilinear interpolation.
- SUBPEL_SEARCH_TYPE use_accurate_subpel_search;
-
- // Whether to compute distortion in the image domain (slower but
- // more accurate), or in the transform domain (faster but less acurate).
- // 0: use image domain
- // 1: use transform domain in tx_type search, and use image domain for
- // RD_STATS
- // 2: use transform domain
- int tx_domain_dist_level;
-
- // Transform domain distortion threshold level
- int tx_domain_dist_thres_level;
-
- GM_SEARCH_TYPE gm_search_type;
-
- // whether to disable the global motion recode loop
- int gm_disable_recode;
-
- // During global motion estimation, prune remaining reference frames in a
- // given direction(past/future), if the evaluated ref_frame in that direction
- // yields gm_type as INVALID/TRANSLATION/IDENTITY
- int prune_ref_frame_for_gm_search;
+ /*
+ * Interpolation filter search speed features:
+ */
+ // A source variance threshold below which filter search is disabled
+ // Choose a very large value (UINT_MAX) to use 8-tap always
+ unsigned int disable_filter_search_var_thresh;
// Do limited interpolation filter search for dual filters, since best choice
// usually includes EIGHTTAP_REGULAR.
@@ -543,12 +643,27 @@
// saved results, filter search can be skipped.
int use_interp_filter;
- // Use a hash table to store previously computed optimized qcoeffs from
- // expensive calls to optimize_txb.
- int use_hash_based_trellis;
+ // skip sharp_filter evaluation based on regular and smooth filter rd for
+ // dual_filter=0 case
+ int skip_sharp_interp_filter_search;
- // flag to drop some ref frames in compound motion search
- int drop_ref;
+ int cb_pred_filter_search;
+
+ // adaptive interp_filter search to allow skip of certain filter types.
+ int adaptive_interp_filter_search;
+
+ /*
+ * Intra mode search speed features:
+ */
+ // These bit masks allow you to enable or disable intra modes for each
+ // transform size separately.
+ int intra_y_mode_mask[TX_SIZES];
+ int intra_uv_mode_mask[TX_SIZES];
+
+ // This variable controls the maximum block size where intra blocks can be
+ // used in inter frames.
+ // TODO(aconverse): Fold this into one of the other many mode skips
+ BLOCK_SIZE max_intra_bsize;
// flag to allow skipping intra mode for inter frame prediction
int skip_intra_in_interframe;
@@ -557,6 +672,51 @@
// in inter frame prediction
unsigned int src_var_thresh_intra_skip;
+ // Prune intra mode candidates based on source block histogram of gradient.
+ int intra_pruning_with_hog;
+
+ // TODO(anyone): tune intra_pruning_with_hog_thresh for various speeds.
+ float intra_pruning_with_hog_thresh;
+
+ // Use CNN with luma pixels on source frame on each of the 64x64 subblock to
+ // perform split/no_split decision on intra-frames.
+ int intra_cnn_split;
+
+ // Enable/disable smooth intra modes.
+ int disable_smooth_intra;
+
+ /*
+ * Transform size/type search speed features:
+ */
+ // Init search depth for square and rectangular transform partitions.
+ // Values:
+ // 0 - search full tree, 1: search 1 level, 2: search the highest level only
+ int inter_tx_size_search_init_depth_sqr;
+ int inter_tx_size_search_init_depth_rect;
+ int intra_tx_size_search_init_depth_sqr;
+ int intra_tx_size_search_init_depth_rect;
+
+ // If any dimension of a coding block size above 64, always search the
+ // largest transform only, since the largest transform block size is 64x64.
+ int tx_size_search_lgr_block;
+
+ TX_TYPE_SEARCH tx_type_search;
+
+ // Skip split transform block partition when the collocated bigger block
+ // is selected as all zero coefficients.
+ int txb_split_cap;
+
+ // Shortcut the transform block partition and type search when the target
+ // rdcost is relatively lower.
+ // Values are 0 (not used) , or 1 - 2 with progressively increasing
+ // aggressiveness
+ int adaptive_txb_search_level;
+
+ // Prune level for tx_size_type search for inter based on rd model
+ // 0: no pruning
+ // 1-2: progressively increasing aggressiveness of pruning
+ int model_based_prune_tx_search_level;
+
// Use hash table to store intra(keyframe only) txb transform search results
// to avoid repeated search on the same residue signal.
int use_intra_txb_hash;
@@ -565,137 +725,50 @@
// to avoid repeated search on the same residue signal.
int use_inter_txb_hash;
+ /*
+ * RD calculation speed features:
+ */
+ // This feature controls whether we do the expensive context update and
+ // calculation in the rd coefficient costing loop.
+ int use_fast_coef_costing;
+
+ // Fast approximation of av1_model_rd_from_var_lapndz
+ int simple_model_rd_from_var;
+
+ // Whether to compute distortion in the image domain (slower but
+ // more accurate), or in the transform domain (faster but less acurate).
+ // 0: use image domain
+ // 1: use transform domain in tx_type search, and use image domain for
+ // RD_STATS
+ // 2: use transform domain
+ int tx_domain_dist_level;
+
+ // Transform domain distortion threshold level
+ int tx_domain_dist_thres_level;
+
+ // Trellis (dynamic programming) optimization of quantized values
+ TRELLIS_OPT_TYPE optimize_coefficients;
+
+ // Use a hash table to store previously computed optimized qcoeffs from
+ // expensive calls to optimize_txb.
+ int use_hash_based_trellis;
+
// Use hash table to store macroblock RD search results
// to avoid repeated search on the same residue signal.
int use_mb_rd_hash;
- // Use to control hash generation and use of the same
- // Applicable only for screen contents
- int disable_hash_me;
+ // Flag used to control the speed of the eob selection in trellis.
+ int trellis_eob_fast;
// Calculate RD cost before doing optimize_b, and skip if the cost is large.
int optimize_b_precheck;
- // Decide when and how to use joint_comp.
- DIST_WTD_COMP_FLAG use_dist_wtd_comp_flag;
-
- // Decoder side speed feature to add penalty for use of dual-sgr filters.
- // Takes values 0 - 10, 0 indicating no penalty and each additional level
- // adding a penalty of 1%
- int dual_sgr_penalty_level;
-
- // 2-pass inter mode model estimation where the preliminary pass skips
- // transform search and uses a model to estimate rd, while the final pass
- // computes the full transform search. Two types of models are supported:
- // 0: not used
- // 1: used with online dynamic rd model
- // 2: used with static rd model
- int inter_mode_rd_model_estimation;
-
- // Skip some ref frames in compound motion search by single motion search
- // result. Has three levels for now: 0 referring to no skipping, and 1 - 3
- // increasing aggressiveness of skipping in order.
- // Note: The search order might affect the result. It assumes that the single
- // reference modes are searched before compound modes. It is better to search
- // same single inter mode as a group.
- int prune_comp_search_by_single_result;
-
- // Skip certain motion modes (OBMC, warped, interintra) for single reference
- // motion search, using the results of single ref SIMPLE_TRANSLATION
- int prune_single_motion_modes_by_simple_trans;
-
- // Reuse the inter_intra_mode search result from NEARESTMV mode to other
- // single ref modes
- int reuse_inter_intra_mode;
-
- // Set the full pixel search level of obmc
- // 0: obmc_full_pixel_diamond
- // 1: obmc_refining_search_sad (faster)
- int obmc_full_pixel_search_level;
-
- // flag to skip NEWMV mode in drl if the motion search result is the same
- int skip_repeated_newmv;
-
- // Prune intra mode candidates based on source block histogram of gradient.
- int intra_pruning_with_hog;
- // TODO(anyone): tune intra_pruning_with_hog_thresh for various speeds.
- float intra_pruning_with_hog_thresh;
-
- // Skip obmc or warped motion mode when neighborhood motion field is
- // identical
- int skip_obmc_in_uniform_mv_field;
- int skip_wm_in_uniform_mv_field;
-
- // Enable/disable ME for interinter wedge search.
- int disable_interinter_wedge_newmv_search;
-
- // Enable/disable ME for interinter diffwtd search. PSNR BD-rate gain of
- // ~0.1 on the lowres test set, but ~15% slower computation.
- int enable_interinter_diffwtd_newmv_search;
-
- // Enable/disable smooth inter-intra mode
- int disable_smooth_interintra;
-
- // skip sharp_filter evaluation based on regular and smooth filter rd for
- // dual_filter=0 case
- int skip_sharp_interp_filter_search;
-
- // prune wedge and compound segment approximate rd evaluation based on
- // compound average rd/ref_best_rd
- int prune_comp_type_by_comp_avg;
-
- // Prune/gate motion mode evaluation based on token based rd
- // during transform search for inter blocks
- // Values are 0 (not used) , 1 - 3 with progressively increasing
- // aggressiveness
- int prune_motion_mode_level;
-
- // prune sgr ep using binary search like mechanism
- int enable_sgr_ep_pruning;
-
- // Gate warp evaluation for motions of type IDENTITY,
- // TRANSLATION and AFFINE(based on number of warp neighbors)
- int prune_warp_using_wmtype;
-
- // The aggresiveness of pruning with simple_motion_search.
- // Currently 0 is the lowest, and 2 the highest.
- int simple_motion_search_prune_agg;
-
- // Perform simple_motion_search on each possible subblock and use it to prune
- // PARTITION_HORZ and PARTITION_VERT.
- int simple_motion_search_prune_rect;
-
- // Perform simple motion search before none_partition to decide if we
- // want to remove all partitions other than PARTITION_SPLIT. If set to 0, this
- // model is disabled. If set to 1, the model attempts to perform
- // PARTITION_SPLIT only. If set to 2, the model also attempts to prune
- // PARTITION_SPLIT.
- int simple_motion_search_split;
-
- // Use features from simple_motion_search to terminate prediction block
- // partition after PARTITION_NONE
- int simple_motion_search_early_term_none;
-
- int cb_pred_filter_search;
-
- // adaptive interp_filter search to allow skip of certain filter types.
- int adaptive_interp_filter_search;
-
- // Flag used to control the ref_best_rd based gating for chroma
- int perform_best_rd_based_gating_for_chroma;
-
- // Enable/disable interintra wedge search.
- int disable_wedge_interintra_search;
-
- // Disable loop restoration for Chroma plane
- int disable_loop_restoration_chroma;
-
- // Reduce the wiener filter win size for luma
- int reduce_wiener_window_size;
-
// Flag used to control the extent of coeff R-D optimization
int perform_coeff_opt;
+ /*
+ * Two-pass mode evaluation features:
+ */
// Flag used to control the winner mode processing for better R-D optimization
// of quantized coeffs
int enable_winner_mode_for_coeff_opt;
@@ -718,127 +791,92 @@
// Flag used to enable processing of multiple winner modes
int enable_multiwinner_mode_process;
- // Flag used to control the speed of the eob selection in trellis.
- int trellis_eob_fast;
+ // Motion mode for winner candidates:
+ // 0: speed feature OFF
+ // 1 / 2 : Use configured number of winner candidates
+ int motion_mode_for_winner_cand;
- // This flag controls the use of non-RD mode decision.
- int use_nonrd_pick_mode;
+ /*
+ * In-loop filter speed features:
+ */
+ // This feature controls how the loop filter level is determined.
+ LPF_PICK_METHOD lpf_pick;
- // prune wedge and compound segment approximate rd evaluation based on
- // compound average modeled rd
- int prune_comp_type_by_model_rd;
+ // Control how the CDEF strength is determined.
+ CDEF_PICK_METHOD cdef_pick_method;
- // Enable/disable smooth intra modes.
- int disable_smooth_intra;
+ // Decoder side speed feature to add penalty for use of dual-sgr filters.
+ // Takes values 0 - 10, 0 indicating no penalty and each additional level
+ // adding a penalty of 1%
+ int dual_sgr_penalty_level;
- // use reduced ref set for real-time mode
- int use_real_time_ref_set;
+ // prune sgr ep using binary search like mechanism
+ int enable_sgr_ep_pruning;
- // Perform a full TX search on some modes while using the
- // inter-mode RD model for others. Currently not in use.
- // TODO(any): Find out when we can actually skip tx_search on some modes.
- int inter_mode_rd_model_estimation_adaptive;
+ // Disable loop restoration for Chroma plane
+ int disable_loop_restoration_chroma;
- // Reuse inter prediction in fast non-rd mode.
- int reuse_inter_pred_nonrd;
+ // Reduce the wiener filter win size for luma
+ int reduce_wiener_window_size;
+
+ // Disable loop restoration filter
+ int disable_lr_filter;
+
+ /*
+ * Real-time mode speed features:
+ */
+ // check intra prediction for non-RD mode.
+ int check_intra_pred_nonrd;
// Perform coarse ME before calculating variance in variance-based partition
int estimate_motion_for_var_based_partition;
- // Instead of performing a full MV search, do a simple translation first
- // and only perform a full MV search on the motion vectors that performed
- // well.
- int prune_mode_search_simple_translation;
+ int nonrd_merge_partition;
+
+ // Implements various heuristics to skip searching modes
+ // The heuristics selected are based on flags
+ // defined in the MODE_SEARCH_SKIP_HEURISTICS enum
+ unsigned int mode_search_skip_flags;
+
+ // For nonrd: Reduces golden mode search/testing in nonrd pickmode.
+ int nonrd_reduce_golden_mode_search;
+
+ // This flag controls the use of non-RD mode decision.
+ int use_nonrd_pick_mode;
+
+ // Use ALTREF frame in non-RD mode decision.
+ int use_nonrd_altref_frame;
// Use compound reference for non-RD mode.
int use_comp_ref_nonrd;
- // check intra prediction for non-RD mode.
- int check_intra_pred_nonrd;
-
- // Only search compound modes with at least one "good" reference frame.
- // A reference frame is good if, after looking at its performance among
- // the single reference modes, it is one of the two best performers.
- int prune_compound_using_single_ref;
-
- // Disable one sided compound modes.
- int disable_onesided_comp;
-
- // Use CNN with luma pixels on source frame on each of the 64x64 subblock to
- // perform split/no_split decision on intra-frames.
- int intra_cnn_split;
-
- // Use modeled (currently CurvFit model) RDCost for fast non-RD mode
- int use_modeled_non_rd_cost;
+ // use reduced ref set for real-time mode
+ int use_real_time_ref_set;
// Skip a number of expensive mode evaluations for blocks with very low
// temporal variance.
int short_circuit_low_temp_var;
- // Use interpolation filter search in non-RD mode decision.
- int use_nonrd_filter_search;
+ // Use modeled (currently CurvFit model) RDCost for fast non-RD mode
+ int use_modeled_non_rd_cost;
- // Use reduced 1/8th pel mv usage, in the range 0 - 2, where
- // 0: maximizes quality and does not reduce mv precision
- // 1: more aggressive reduced usage of high precision MV
- // 2: use only quarter pel motion
- int reduce_high_precision_mv_usage;
-
- // Whether to override and disable sb level coeff cost updates, if
- // cpi->oxcf.coeff_cost_upd_freq = COST_UPD_SB (i.e. set at SB level)
- int disable_sb_level_coeff_cost_upd;
-
- // Whether to override and disable sb level mv cost updates, if
- // cpi->oxcf.coeff_cost_upd_freq = COST_UPD_SB (i.e. set at SB level)
- int disable_sb_level_mv_cost_upd;
-
- // Whether to disable overlay frames for filtered Altref frames,
- // overiding oxcf->enable_overlay flag set as 1.
- int disable_overlay_frames;
-
- // Enable/disable adaptively deciding whether or not to encode ALTREF overlay
- // frame.
- int adaptive_overlay_encoding;
-
- // Prune obmc search using previous frame stats.
- int prune_obmc_prob_thresh;
-
- // Disable obmc.
- int disable_obmc;
-
- // Use ALTREF frame in non-RD mode decision.
- int use_nonrd_altref_frame;
-
- // If set forces interpolation filter to EIGHTTAP_REGULAR
- int skip_interp_filter_search;
-
- // Based on previous ref_mv_idx search result, prune the following search.
- int prune_ref_mv_idx_search;
-
- // For nonrd: use block_yrd for rd cost in interpolation filter search.
- int nonrd_use_blockyrd_interp_filter;
-
- // Forces TX search off for RDCost calulation.
- int force_tx_search_off;
+ // Reuse inter prediction in fast non-rd mode.
+ int reuse_inter_pred_nonrd;
// Number of best inter modes to search transform. INT_MAX - search all.
int num_inter_modes_for_tx_search;
- int nonrd_merge_partition;
+ // Forces TX search off for RDCost calulation.
+ int force_tx_search_off;
- // For nonrd: Reduces golden mode search/testing in nonrd pickmode.
- int nonrd_reduce_golden_mode_search;
+ // For nonrd: use block_yrd for rd cost in interpolation filter search.
+ int nonrd_use_blockyrd_interp_filter;
- // Disable loop restoration filter
- int disable_lr_filter;
+ // Use interpolation filter search in non-RD mode decision.
+ int use_nonrd_filter_search;
- // Disable interinter_wedge
- int disable_interinter_wedge;
-
- // Motion mode for winner candidates:
- // 0: speed feature OFF
- // 1 / 2 : Use configured number of winner candidates
- int motion_mode_for_winner_cand;
+ // If set forces interpolation filter to EIGHTTAP_REGULAR
+ int skip_interp_filter_search;
} SPEED_FEATURES;
struct AV1_COMP;
