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authorJames Zern <jzern@google.com>2016-06-17 15:22:11 -0700
committerJames Zern <jzern@google.com>2016-06-17 18:26:08 -0700
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treef00adb277cd8e3de6afa36ebb764c59a8deeb720 /vp10/encoder/speed_features.h
parent1417ed28f362a21790ba59a55189d3486a81bff1 (diff)
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remove vp10
development has moved to the nextgenv2 branch and a snapshot from here was used to seed aomedia BUG=b/29457125 Change-Id: Iedaca11ec7870fb3a4e50b2c9ea0c2b056a0d3c0
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-/*
- * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
- *
- * Use of this source code is governed by a BSD-style license
- * that can be found in the LICENSE file in the root of the source
- * tree. An additional intellectual property rights grant can be found
- * in the file PATENTS. All contributing project authors may
- * be found in the AUTHORS file in the root of the source tree.
- */
-
-#ifndef VP10_ENCODER_SPEED_FEATURES_H_
-#define VP10_ENCODER_SPEED_FEATURES_H_
-
-#include "vp10/common/enums.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-enum {
- INTRA_ALL = (1 << DC_PRED) |
- (1 << V_PRED) | (1 << H_PRED) |
- (1 << D45_PRED) | (1 << D135_PRED) |
- (1 << D117_PRED) | (1 << D153_PRED) |
- (1 << D207_PRED) | (1 << D63_PRED) |
- (1 << TM_PRED),
- INTRA_DC = (1 << DC_PRED),
- INTRA_DC_TM = (1 << DC_PRED) | (1 << TM_PRED),
- INTRA_DC_H_V = (1 << DC_PRED) | (1 << V_PRED) | (1 << H_PRED),
- INTRA_DC_TM_H_V = (1 << DC_PRED) | (1 << TM_PRED) | (1 << V_PRED) |
- (1 << H_PRED)
-};
-
-enum {
- INTER_ALL = (1 << NEARESTMV) | (1 << NEARMV) | (1 << ZEROMV) | (1 << NEWMV),
- INTER_NEAREST = (1 << NEARESTMV),
- INTER_NEAREST_NEW = (1 << NEARESTMV) | (1 << NEWMV),
- INTER_NEAREST_ZERO = (1 << NEARESTMV) | (1 << ZEROMV),
- INTER_NEAREST_NEW_ZERO = (1 << NEARESTMV) | (1 << ZEROMV) | (1 << NEWMV),
- INTER_NEAREST_NEAR_NEW = (1 << NEARESTMV) | (1 << NEARMV) | (1 << NEWMV),
- INTER_NEAREST_NEAR_ZERO = (1 << NEARESTMV) | (1 << NEARMV) | (1 << ZEROMV),
-};
-
-enum {
- DISABLE_ALL_INTER_SPLIT = (1 << THR_COMP_GA) |
- (1 << THR_COMP_LA) |
- (1 << THR_ALTR) |
- (1 << THR_GOLD) |
- (1 << THR_LAST),
-
- DISABLE_ALL_SPLIT = (1 << THR_INTRA) | DISABLE_ALL_INTER_SPLIT,
-
- DISABLE_COMPOUND_SPLIT = (1 << THR_COMP_GA) | (1 << THR_COMP_LA),
-
- LAST_AND_INTRA_SPLIT_ONLY = (1 << THR_COMP_GA) |
- (1 << THR_COMP_LA) |
- (1 << THR_ALTR) |
- (1 << THR_GOLD)
-};
-
-typedef enum {
- DIAMOND = 0,
- NSTEP = 1,
- HEX = 2,
- BIGDIA = 3,
- SQUARE = 4,
- FAST_HEX = 5,
- FAST_DIAMOND = 6
-} SEARCH_METHODS;
-
-typedef enum {
- // No recode.
- DISALLOW_RECODE = 0,
- // Allow recode for KF and exceeding maximum frame bandwidth.
- ALLOW_RECODE_KFMAXBW = 1,
- // Allow recode only for KF/ARF/GF frames.
- ALLOW_RECODE_KFARFGF = 2,
- // Allow recode for all frames based on bitrate constraints.
- ALLOW_RECODE = 3,
-} RECODE_LOOP_TYPE;
-
-typedef enum {
- SUBPEL_TREE = 0,
- SUBPEL_TREE_PRUNED = 1, // Prunes 1/2-pel searches
- SUBPEL_TREE_PRUNED_MORE = 2, // Prunes 1/2-pel searches more aggressively
- SUBPEL_TREE_PRUNED_EVENMORE = 3, // Prunes 1/2- and 1/4-pel searches
- // Other methods to come
-} SUBPEL_SEARCH_METHODS;
-
-typedef enum {
- NO_MOTION_THRESHOLD = 0,
- LOW_MOTION_THRESHOLD = 7
-} MOTION_THRESHOLD;
-
-typedef enum {
- USE_FULL_RD = 0,
- USE_LARGESTALL,
- USE_TX_8X8
-} TX_SIZE_SEARCH_METHOD;
-
-typedef enum {
- NOT_IN_USE = 0,
- RELAXED_NEIGHBORING_MIN_MAX = 1,
- STRICT_NEIGHBORING_MIN_MAX = 2
-} AUTO_MIN_MAX_MODE;
-
-typedef enum {
- // Try the full image with different values.
- LPF_PICK_FROM_FULL_IMAGE,
- // Try a small portion of the image with different values.
- LPF_PICK_FROM_SUBIMAGE,
- // Estimate the level based on quantizer and frame type
- LPF_PICK_FROM_Q,
- // Pick 0 to disable LPF if LPF was enabled last frame
- LPF_PICK_MINIMAL_LPF
-} LPF_PICK_METHOD;
-
-typedef enum {
- // Terminate search early based on distortion so far compared to
- // qp step, distortion in the neighborhood of the frame, etc.
- FLAG_EARLY_TERMINATE = 1 << 0,
-
- // Skips comp inter modes if the best so far is an intra mode.
- FLAG_SKIP_COMP_BESTINTRA = 1 << 1,
-
- // Skips oblique intra modes if the best so far is an inter mode.
- FLAG_SKIP_INTRA_BESTINTER = 1 << 3,
-
- // Skips oblique intra modes at angles 27, 63, 117, 153 if the best
- // intra so far is not one of the neighboring directions.
- FLAG_SKIP_INTRA_DIRMISMATCH = 1 << 4,
-
- // Skips intra modes other than DC_PRED if the source variance is small
- FLAG_SKIP_INTRA_LOWVAR = 1 << 5,
-} MODE_SEARCH_SKIP_LOGIC;
-
-typedef enum {
- FLAG_SKIP_EIGHTTAP = 1 << EIGHTTAP,
- FLAG_SKIP_EIGHTTAP_SMOOTH = 1 << EIGHTTAP_SMOOTH,
- FLAG_SKIP_EIGHTTAP_SHARP = 1 << EIGHTTAP_SHARP,
-} INTERP_FILTER_MASK;
-
-typedef enum {
- // Search partitions using RD criterion
- SEARCH_PARTITION,
-
- // Always use a fixed size partition
- FIXED_PARTITION,
-
- REFERENCE_PARTITION,
-
- // Use an arbitrary partitioning scheme based on source variance within
- // a 64X64 SB
- VAR_BASED_PARTITION,
-
- // Use non-fixed partitions based on source variance
- SOURCE_VAR_BASED_PARTITION
-} PARTITION_SEARCH_TYPE;
-
-typedef enum {
- // Does a dry run to see if any of the contexts need to be updated or not,
- // before the final run.
- TWO_LOOP = 0,
-
- // No dry run, also only half the coef contexts and bands are updated.
- // The rest are not updated at all.
- ONE_LOOP_REDUCED = 1
-} FAST_COEFF_UPDATE;
-
-typedef struct MV_SPEED_FEATURES {
- // Motion search method (Diamond, NSTEP, Hex, Big Diamond, Square, etc).
- SEARCH_METHODS search_method;
-
- // This parameter controls which step in the n-step process we start at.
- // It's changed adaptively based on circumstances.
- int reduce_first_step_size;
-
- // If this is set to 1, we limit the motion search range to 2 times the
- // largest motion vector found in the last frame.
- int auto_mv_step_size;
-
- // Subpel_search_method can only be subpel_tree which does a subpixel
- // logarithmic search that keeps stepping at 1/2 pixel units until
- // you stop getting a gain, and then goes on to 1/4 and repeats
- // the same process. Along the way it skips many diagonals.
- SUBPEL_SEARCH_METHODS subpel_search_method;
-
- // Maximum number of steps in logarithmic subpel search before giving up.
- int subpel_iters_per_step;
-
- // Control when to stop subpel search
- int subpel_force_stop;
-
- // This variable sets the step_param used in full pel motion search.
- int fullpel_search_step_param;
-} MV_SPEED_FEATURES;
-
-#define MAX_MESH_STEP 4
-
-typedef struct MESH_PATTERN {
- int range;
- int interval;
-} MESH_PATTERN;
-
-typedef struct SPEED_FEATURES {
- MV_SPEED_FEATURES mv;
-
- // Frame level coding parameter update
- int frame_parameter_update;
-
- RECODE_LOOP_TYPE recode_loop;
-
- // Trellis (dynamic programming) optimization of quantized values (+1, 0).
- int optimize_coefficients;
-
- // Always set to 0. If on it enables 0 cost background transmission
- // (except for the initial transmission of the segmentation). The feature is
- // disabled because the addition of very large block sizes make the
- // backgrounds very to cheap to encode, and the segmentation we have
- // adds overhead.
- int static_segmentation;
-
- // 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;
-
- // 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;
-
- // Speed feature to allow or disallow skipping of recode at block
- // level within a frame.
- int allow_skip_recode;
-
- // Coefficient probability model approximation step size
- int coeff_prob_appx_step;
-
- // The threshold is to determine how slow the motino is, it is used when
- // use_lastframe_partitioning is set to LAST_FRAME_PARTITION_LOW_MOTION
- MOTION_THRESHOLD lf_motion_threshold;
-
- // Determine which method we use to determine transform size. We can choose
- // between options like full rd, largest for prediction size, largest
- // for intra and model coefs for the rest.
- TX_SIZE_SEARCH_METHOD tx_size_search_method;
-
- // Low precision 32x32 fdct keeps everything in 16 bits and thus is less
- // precise but significantly faster than the non lp version.
- int use_lp32x32fdct;
-
- // After looking at the first set of modes (set by index here), skip
- // checking modes for reference frames that don't match the reference frame
- // of the best so far.
- int mode_skip_start;
-
- PARTITION_SEARCH_TYPE partition_search_type;
-
- // Used if partition_search_type = FIXED_SIZE_PARTITION
- BLOCK_SIZE always_this_block_size;
-
- // Skip rectangular partition test when partition type none gives better
- // rd than partition type split.
- int less_rectangular_check;
-
- // Disable testing non square partitions. (eg 16x32)
- int use_square_partition_only;
-
- // Sets min and max partition sizes for this 64x64 region based on the
- // same 64x64 in last encoded frame, and the left and above neighbor.
- AUTO_MIN_MAX_MODE auto_min_max_partition_size;
- // Ensures the rd based auto partition search will always
- // go down at least to the specified level.
- BLOCK_SIZE rd_auto_partition_min_limit;
-
- // Min and max partition size we enable (block_size) as per auto
- // min max, but also used by adjust partitioning, and pick_partitioning.
- BLOCK_SIZE default_min_partition_size;
- BLOCK_SIZE default_max_partition_size;
-
- // Whether or not we allow partitions one smaller or one greater than the last
- // frame's partitioning. Only used if use_lastframe_partitioning is set.
- int adjust_partitioning_from_last_frame;
-
- // How frequently we re do the partitioning from scratch. Only used if
- // use_lastframe_partitioning is set.
- int last_partitioning_redo_frequency;
-
- // Disables sub 8x8 blocksizes in different scenarios: Choices are to disable
- // it always, to allow it for only Last frame and Intra, disable it for all
- // inter modes or to enable it always.
- int disable_split_mask;
-
- // 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.
- int adaptive_motion_search;
-
- // Flag for allowing some use of exhaustive searches;
- int allow_exhaustive_searches;
-
- // Threshold for allowing exhaistive motion search.
- int exhaustive_searches_thresh;
-
- // Maximum number of exhaustive searches for a frame.
- int max_exaustive_pct;
-
- // Pattern to be used for any exhaustive mesh searches.
- MESH_PATTERN mesh_patterns[MAX_MESH_STEP];
-
- int schedule_mode_search;
-
- // Allows sub 8x8 modes to use the prediction filter that was determined
- // best for 8x8 mode. If set to 0 we always re check all the filters for
- // sizes less than 8x8, 1 means we check all filter modes if no 8x8 filter
- // was selected, and 2 means we use 8 tap if no 8x8 filter mode was selected.
- int adaptive_pred_interp_filter;
-
- // Adaptive prediction mode search
- int adaptive_mode_search;
-
- // Chessboard pattern prediction filter type search
- int cb_pred_filter_search;
-
- int cb_partition_search;
-
- int alt_ref_search_fp;
-
- // Fast quantization process path
- int use_quant_fp;
-
- // Use finer quantizer in every other few frames that run variable block
- // partition type search.
- int force_frame_boost;
-
- // Maximally allowed base quantization index fluctuation.
- int max_delta_qindex;
-
- // 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;
-
- // 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;
-
- // 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];
-
- // These bit masks allow you to enable or disable intra modes for each
- // prediction block size separately.
- int intra_y_mode_bsize_mask[BLOCK_SIZES];
-
- // This variable enables an early break out of mode testing if the model for
- // rd built from the prediction signal indicates a value that's much
- // higher than the best rd we've seen so far.
- int use_rd_breakout;
-
- // This enables us to use an estimate for intra rd based on dc mode rather
- // than choosing an actual uv mode in the stage of encoding before the actual
- // final encode.
- int use_uv_intra_rd_estimate;
-
- // This feature controls how the loop filter level is determined.
- LPF_PICK_METHOD lpf_pick;
-
- // This feature limits the number of coefficients updates we actually do
- // by only looking at counts from 1/2 the bands.
- FAST_COEFF_UPDATE use_fast_coef_updates;
-
- // A binary mask indicating if NEARESTMV, NEARMV, ZEROMV, NEWMV
- // modes are used in order from LSB to MSB for each BLOCK_SIZE.
- int inter_mode_mask[BLOCK_SIZES];
-
- // This feature controls whether we do the expensive context update and
- // calculation in the rd coefficient costing loop.
- int use_fast_coef_costing;
-
- // 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;
-
- // 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;
-
- // The frequency that we check if SOURCE_VAR_BASED_PARTITION or
- // FIXED_PARTITION search type should be used.
- int search_type_check_frequency;
-
- // When partition is pre-set, the inter prediction result from pick_inter_mode
- // can be reused in final block encoding process. It is enabled only for real-
- // time mode speed 6.
- int reuse_inter_pred_sby;
-
- // This variable sets the encode_breakout threshold. Currently, it is only
- // enabled in real time mode.
- int encode_breakout_thresh;
-
- // default interp filter choice
- INTERP_FILTER default_interp_filter;
-
- // Early termination in transform size search, which only applies while
- // tx_size_search_method is USE_FULL_RD.
- int tx_size_search_breakout;
-
- // adaptive interp_filter search to allow skip of certain filter types.
- int adaptive_interp_filter_search;
-
- // mask for skip evaluation of certain interp_filter type.
- INTERP_FILTER_MASK interp_filter_search_mask;
-
- // Partition search early breakout thresholds.
- int64_t partition_search_breakout_dist_thr;
- int partition_search_breakout_rate_thr;
-
- // Allow skipping partition search for still image frame
- int allow_partition_search_skip;
-
- // Fast approximation of vp10_model_rd_from_var_lapndz
- int simple_model_rd_from_var;
-} SPEED_FEATURES;
-
-struct VP10_COMP;
-
-void vp10_set_speed_features_framesize_independent(struct VP10_COMP *cpi);
-void vp10_set_speed_features_framesize_dependent(struct VP10_COMP *cpi);
-
-#ifdef __cplusplus
-} // extern "C"
-#endif
-
-#endif // VP10_ENCODER_SPEED_FEATURES_H_