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/*
* Copyright (c) 2021, Alliance for Open Media. All rights reserved
*
* This source code is subject to the terms of the BSD 3-Clause Clear License
* and the Alliance for Open Media Patent License 1.0. If the BSD 3-Clause Clear
* License was not distributed with this source code in the LICENSE file, you
* can obtain it at aomedia.org/license/software-license/bsd-3-c-c/. If the
* Alliance for Open Media Patent License 1.0 was not distributed with this
* source code in the PATENTS file, you can obtain it at
* aomedia.org/license/patent-license/.
*/
#ifndef AOM_AV1_ENCODER_MCOMP_H_
#define AOM_AV1_ENCODER_MCOMP_H_
#include "av1/common/mv.h"
#include "av1/encoder/block.h"
#include "av1/common/reconinter.h"
#include "aom_dsp/variance.h"
#ifdef __cplusplus
extern "C" {
#endif
// The maximum number of steps in a step search given the largest
// allowed initial step
#define MAX_MVSEARCH_STEPS 11
// Max full pel mv specified in the unit of full pixel
#if CONFIG_MV_SEARCH_RANGE
// Enable the use of motion vector in range [-2047, 2047].
#define MAX_FULL_PEL_VAL ((1 << MV_CLASSES) - 1)
#else
// Enable the use of motion vector in range [-1023, 1023].
#define MAX_FULL_PEL_VAL ((1 << (MAX_MVSEARCH_STEPS - 1)) - 1)
#endif // CONFIG_MV_SEARCH_RANGE
// Maximum size of the first step in full pel units
#define MAX_FIRST_STEP (1 << (MAX_MVSEARCH_STEPS - 1))
// Maximum number of neighbors to scan per iteration during
// WARPED_CAUSAL refinement
// Note: The elements of warp_search_config.neighbor_mask must be at least
// MAX_WARP_SEARCH_NEIGHBORS many bits wide. So the type may need to be
// widened if this value is increased.
#define MAX_WARP_SEARCH_NEIGHBORS 8
#define SEARCH_RANGE_8P 3
#define SEARCH_GRID_STRIDE_8P (2 * SEARCH_RANGE_8P + 1)
#define SEARCH_GRID_CENTER_8P \
(SEARCH_RANGE_8P * SEARCH_GRID_STRIDE_8P + SEARCH_RANGE_8P)
// motion search site
typedef struct search_site {
FULLPEL_MV mv;
int offset;
} search_site;
typedef struct search_site_config {
search_site site[MAX_MVSEARCH_STEPS * 2][16 + 1];
// Number of search steps.
int num_search_steps;
int searches_per_step[MAX_MVSEARCH_STEPS * 2];
int radius[MAX_MVSEARCH_STEPS * 2];
int stride;
} search_site_config;
typedef struct {
FULLPEL_MV coord;
int coord_offset;
} search_neighbors;
struct AV1_COMP;
struct SPEED_FEATURES;
typedef struct {
// The reference mv used to compute the mv cost
const MV *ref_mv;
FULLPEL_MV full_ref_mv;
MV_COST_TYPE mv_cost_type;
// Stores the entropy table needed to signal an mv. Includes the joint-mv cost
// and the diff cost.
const MvCosts *mv_costs;
MvSubpelPrecision pb_mv_precision;
int is_adaptive_mvd;
#if CONFIG_IBC_BV_IMPROVEMENT
int is_ibc_cost;
#endif
} MV_COST_PARAMS;
int av1_mv_bit_cost(const MV *mv, const MV *ref_mv,
const MvSubpelPrecision pb_mv_precision,
const MvCosts *mv_costs, int weight,
const int is_adaptive_mvd);
int av1_intrabc_mv_bit_cost(const MV *mv, const MV *ref_mv,
const IntraBCMvCosts *mv_costs, int weight);
int av1_get_mvpred_sse(const MV_COST_PARAMS *mv_cost_params,
const FULLPEL_MV best_mv,
const aom_variance_fn_ptr_t *vfp,
const struct buf_2d *src, const struct buf_2d *pre);
int av1_get_mvpred_compound_var(
const MV_COST_PARAMS *ms_params, const FULLPEL_MV best_mv,
const uint16_t *second_pred, const uint8_t *mask, int mask_stride,
int invert_mask, const aom_variance_fn_ptr_t *vfp, const struct buf_2d *src,
const struct buf_2d *pre);
// =============================================================================
// Motion Search
// =============================================================================
typedef struct {
// The reference buffer
const struct buf_2d *ref;
// The source and predictors/mask used by translational search
const struct buf_2d *src;
const uint16_t *second_pred;
const uint8_t *mask;
int mask_stride;
int inv_mask;
// The weighted source and mask used by OBMC
const int32_t *wsrc;
const int32_t *obmc_mask;
} MSBuffers;
static INLINE void av1_set_ms_compound_refs(MSBuffers *ms_buffers,
const uint16_t *second_pred,
const uint8_t *mask,
int mask_stride, int invert_mask) {
ms_buffers->second_pred = second_pred;
ms_buffers->mask = mask;
ms_buffers->mask_stride = mask_stride;
ms_buffers->inv_mask = invert_mask;
}
// =============================================================================
// Fullpixel Motion Search
// =============================================================================
enum {
// Search 8-points in the radius grid around center, up to 11 search stages.
DIAMOND = 0,
// Search 12-points in the radius/tan_radius grid around center,
// up to 15 search stages.
NSTEP = 1,
// Search maximum 8-points in the radius grid around center,
// up to 11 search stages. First stage consists of 8 search points
// and the rest with 6 search points each in hex shape.
HEX = 2,
// Search maximum 8-points in the radius grid around center,
// up to 11 search stages. First stage consists of 4 search
// points and the rest with 8 search points each.
BIGDIA = 3,
// Search 8-points in the square grid around center, up to 11 search stages.
SQUARE = 4,
// HEX search with up to 2 stages.
FAST_HEX = 5,
// BIGDIA search with up to 2 stages.
FAST_DIAMOND = 6,
// BIGDIA search with up to 3 stages.
FAST_BIGDIA = 7,
// Total number of search methods.
NUM_SEARCH_METHODS,
// Number of distinct search methods.
NUM_DISTINCT_SEARCH_METHODS = SQUARE + 1,
} UENUM1BYTE(SEARCH_METHODS);
typedef struct warp_search_config {
int num_neighbors;
MV neighbors[MAX_WARP_SEARCH_NEIGHBORS];
// Bitmask which is used to prune the search neighbors at one iteration
// based on which direction we chose in the previous iteration.
// See comments in av1_refine_warped_mv for details.
uint8_t neighbor_mask[MAX_WARP_SEARCH_NEIGHBORS];
} warp_search_config;
// Methods for refining WARPED_CAUSAL motion vectors
enum {
// Search 4 adjacent points in a diamond shape at each iteration
WARP_SEARCH_DIAMOND,
// Search 8 adjacent points in a square at each iteration
WARP_SEARCH_SQUARE,
WARP_SEARCH_METHODS
} UENUM1BYTE(WARP_SEARCH_METHOD);
// This struct holds fullpixel motion search parameters that should be constant
// during the search
typedef struct {
BLOCK_SIZE bsize;
// A function pointer to the simd function for fast computation
const aom_variance_fn_ptr_t *vfp;
#if CONFIG_IBC_SR_EXT
const MACROBLOCKD *xd;
int mib_size_log2;
const AV1_COMMON *cm;
int mi_row;
int mi_col;
#endif // CONFIG_IBC_SR_EXT
#if CONFIG_IBC_BV_IMPROVEMENT
MACROBLOCK *x;
int ref_bv_cnt;
#endif // CONFIG_IBC_BV_IMPROVEMENT
MSBuffers ms_buffers;
// WARNING: search_method should be regarded as a private variable and should
// not be modified directly so it is in sync with search_sites. To modify it,
// use av1_set_mv_search_method.
SEARCH_METHODS search_method;
const search_site_config *search_sites;
FullMvLimits mv_limits;
int run_mesh_search; // Sets mesh search unless it got pruned by
// prune_mesh_search.
int prune_mesh_search; // Disables mesh search if the best_mv after a normal
// search if close to the start_mv.
int force_mesh_thresh; // Forces mesh search if the residue variance is
// higher than the threshold.
const struct MESH_PATTERN *mesh_patterns[2];
// Use maximum search interval of 4 if true. This helps motion search to find
// the best motion vector for screen content types.
int fine_search_interval;
int is_intra_mode;
int fast_obmc_search;
// For calculating mv cost
MV_COST_PARAMS mv_cost_params;
// Stores the function used to compute the sad. This can be different from the
// sdf in vfp (e.g. downsampled sad and not sad) to allow speed up.
aom_sad_fn_t sdf;
aom_sad_multi_d_fn_t sdx4df;
} FULLPEL_MOTION_SEARCH_PARAMS;
void av1_make_default_fullpel_ms_params(
FULLPEL_MOTION_SEARCH_PARAMS *ms_params, const struct AV1_COMP *cpi,
const MACROBLOCK *x, BLOCK_SIZE bsize, const MV *ref_mv,
const MvSubpelPrecision pb_mv_precision,
#if CONFIG_IBC_BV_IMPROVEMENT
const int is_ibc_cost,
#endif
const search_site_config search_sites[NUM_DISTINCT_SEARCH_METHODS],
int fine_search_interval);
// Sets up configs for fullpixel diamond search method.
void av1_init_dsmotion_compensation(search_site_config *cfg, int stride);
// Sets up configs for firstpass motion search.
void av1_init_motion_fpf(search_site_config *cfg, int stride);
// Sets up configs for all other types of motion search method.
void av1_init_motion_compensation_nstep(search_site_config *cfg, int stride);
// Sets up configs for BIGDIA / FAST_DIAMOND / FAST_BIGDIA
// motion search method.
void av1_init_motion_compensation_bigdia(search_site_config *cfg, int stride);
// Sets up configs for HEX or FAST_HEX motion search method.
void av1_init_motion_compensation_hex(search_site_config *cfg, int stride);
// Sets up configs for SQUARE motion search method.
void av1_init_motion_compensation_square(search_site_config *cfg, int stride);
// Mv beyond the range do not produce new/different prediction block.
static INLINE void av1_set_mv_search_method(
FULLPEL_MOTION_SEARCH_PARAMS *ms_params,
const search_site_config search_sites[NUM_DISTINCT_SEARCH_METHODS],
SEARCH_METHODS search_method) {
// Array to inform which all search methods are having
// same candidates and different in number of search steps.
static const SEARCH_METHODS search_method_lookup[NUM_SEARCH_METHODS] = {
DIAMOND, // DIAMOND
NSTEP, // NSTEP
HEX, // HEX
BIGDIA, // BIGDIA
SQUARE, // SQUARE
HEX, // FAST_HEX
BIGDIA, // FAST_DIAMOND
BIGDIA // FAST_BIGDIA
};
ms_params->search_method = search_method;
if (search_sites && search_method < NUM_SEARCH_METHODS) {
ms_params->search_sites =
&search_sites[search_method_lookup[ms_params->search_method]];
}
}
// Set up limit values for MV components.
// Mv beyond the range do not produce new/different prediction block.
static INLINE void av1_set_mv_row_limits(
const CommonModeInfoParams *const mi_params, FullMvLimits *mv_limits,
int mi_row, int mi_height, int border) {
const int min1 = -(mi_row * MI_SIZE + border - 2 * AOM_INTERP_EXTEND);
const int min2 = -(((mi_row + mi_height) * MI_SIZE) + 2 * AOM_INTERP_EXTEND);
mv_limits->row_min = AOMMAX(min1, min2);
const int max1 = (mi_params->mi_rows - mi_row - mi_height) * MI_SIZE +
border - 2 * AOM_INTERP_EXTEND;
const int max2 =
(mi_params->mi_rows - mi_row) * MI_SIZE + 2 * AOM_INTERP_EXTEND;
mv_limits->row_max = AOMMIN(max1, max2);
}
static INLINE void av1_set_mv_col_limits(
const CommonModeInfoParams *const mi_params, FullMvLimits *mv_limits,
int mi_col, int mi_width, int border) {
const int min1 = -(mi_col * MI_SIZE + border - 2 * AOM_INTERP_EXTEND);
const int min2 = -(((mi_col + mi_width) * MI_SIZE) + 2 * AOM_INTERP_EXTEND);
mv_limits->col_min = AOMMAX(min1, min2);
const int max1 = (mi_params->mi_cols - mi_col - mi_width) * MI_SIZE + border -
2 * AOM_INTERP_EXTEND;
const int max2 =
(mi_params->mi_cols - mi_col) * MI_SIZE + 2 * AOM_INTERP_EXTEND;
mv_limits->col_max = AOMMIN(max1, max2);
}
static INLINE void av1_set_mv_limits(
const CommonModeInfoParams *const mi_params, FullMvLimits *mv_limits,
int mi_row, int mi_col, int mi_height, int mi_width, int border) {
av1_set_mv_row_limits(mi_params, mv_limits, mi_row, mi_height, border);
av1_set_mv_col_limits(mi_params, mv_limits, mi_col, mi_width, border);
}
void av1_set_mv_search_range(FullMvLimits *mv_limits, const MV *mv,
MvSubpelPrecision pb_mv_precision
);
#if CONFIG_OPFL_MV_SEARCH
#define OMVS_AVG_POOLING 1
#define OMVS_RANGE_THR 2
#define OMVS_BIG_STEP 4
#define OMVS_EARLY_TERM 1
#define OMVS_SAD_THR 8
// Obtain the bits of upshift for the MVD derived by optical flow based MV
// search. The purpose for upscaling the MVD is to increase the search range and
// obtain a new search point not covered by the traditional local search.
static INLINE int get_opfl_mv_upshift_bits(const MB_MODE_INFO *mbmi) {
if (mbmi->mode == NEWMV
#if CONFIG_EXTENDED_WARP_PREDICTION
|| mbmi->mode == WARPMV
#endif // CONFIG_EXTENDED_WARP_PREDICTION
)
return 3;
return 0;
}
int get_opfl_mv_iterations(const struct AV1_COMP *cpi,
const MB_MODE_INFO *mbmi);
#endif // CONFIG_OPFL_MV_SEARCH
void av1_set_tip_mv_search_range(FullMvLimits *mv_limits);
int av1_init_search_range(int size);
int av1_refining_search_8p_c(const FULLPEL_MOTION_SEARCH_PARAMS *ms_params,
const FULLPEL_MV start_mv, FULLPEL_MV *best_mv);
int av1_refining_search_8p_c_low_precision(
const FULLPEL_MOTION_SEARCH_PARAMS *ms_params, const FULLPEL_MV start_mv,
FULLPEL_MV *best_mv, int fast_mv_refinement);
int av1_full_pixel_search(const FULLPEL_MV start_mv,
const FULLPEL_MOTION_SEARCH_PARAMS *ms_params,
const int step_param, int *cost_list,
FULLPEL_MV *best_mv, FULLPEL_MV *second_best_mv);
int av1_intrabc_hash_search(const struct AV1_COMP *cpi, const MACROBLOCKD *xd,
const FULLPEL_MOTION_SEARCH_PARAMS *ms_params,
IntraBCHashInfo *intrabc_hash_info,
FULLPEL_MV *best_mv);
int av1_obmc_full_pixel_search(const FULLPEL_MV start_mv,
const FULLPEL_MOTION_SEARCH_PARAMS *ms_params,
const int step_param, FULLPEL_MV *best_mv);
static INLINE int av1_is_fullmv_in_range(const FullMvLimits *mv_limits,
FULLPEL_MV mv,
MvSubpelPrecision pb_mv_precision
) {
if (pb_mv_precision < MV_PRECISION_ONE_PEL) {
if (mv.col & ((1 << (MV_PRECISION_ONE_PEL - pb_mv_precision)) - 1))
return 0;
if (mv.row & ((1 << (MV_PRECISION_ONE_PEL - pb_mv_precision)) - 1))
return 0;
}
return (mv.col >= mv_limits->col_min) && (mv.col <= mv_limits->col_max) &&
(mv.row >= mv_limits->row_min) && (mv.row <= mv_limits->row_max);
}
// =============================================================================
// Subpixel Motion Search
// =============================================================================
enum {
EIGHTH_PEL,
QUARTER_PEL,
HALF_PEL,
FULL_PEL
} UENUM1BYTE(SUBPEL_FORCE_STOP);
typedef struct {
const aom_variance_fn_ptr_t *vfp;
SUBPEL_SEARCH_TYPE subpel_search_type;
// Source and reference buffers
MSBuffers ms_buffers;
int w, h;
} SUBPEL_SEARCH_VAR_PARAMS;
// This struct holds subpixel motion search parameters that should be constant
// during the search
typedef struct {
// High level motion search settings
const int *cost_list;
SUBPEL_FORCE_STOP forced_stop;
int iters_per_step;
SubpelMvLimits mv_limits;
// For calculating mv cost
MV_COST_PARAMS mv_cost_params;
// Distortion calculation params
SUBPEL_SEARCH_VAR_PARAMS var_params;
} SUBPEL_MOTION_SEARCH_PARAMS;
#if CONFIG_OPFL_MV_SEARCH
int opfl_refine_fullpel_mv_one_sided(
const AV1_COMMON *cm, MACROBLOCKD *xd,
const FULLPEL_MOTION_SEARCH_PARAMS *ms_params, MB_MODE_INFO *mbmi,
const FULLPEL_MV *const smv, int_mv *mv_refined, BLOCK_SIZE bsize);
#endif // CONFIG_OPFL_MV_SEARCH
// motion search for joint MVD coding
int joint_mvd_search(const AV1_COMMON *const cm, MACROBLOCKD *xd,
SUBPEL_MOTION_SEARCH_PARAMS *ms_params, MV ref_mv,
MV *start_mv, MV *bestmv, int *distortion,
unsigned int *sse1, int ref_idx, MV *other_mv,
MV *best_other_mv, uint16_t *second_pred,
InterPredParams *inter_pred_params,
int_mv *last_mv_search_list);
// motion search for 2/4/8 pel precision for joint MVD coding
int low_precision_joint_mvd_search(const AV1_COMMON *const cm, MACROBLOCKD *xd,
SUBPEL_MOTION_SEARCH_PARAMS *ms_params,
MV ref_mv, MV *start_mv, MV *bestmv,
int *distortion, unsigned int *sse1,
int ref_idx, MV *other_mv, MV *best_other_mv,
uint16_t *second_pred,
InterPredParams *inter_pred_params);
// motion search for near_new and new_near mode when adaptive MVD resolution is
// applied
int adaptive_mvd_search(const AV1_COMMON *const cm, MACROBLOCKD *xd,
SUBPEL_MOTION_SEARCH_PARAMS *ms_params, MV start_mv,
MV *bestmv, int *distortion, unsigned int *sse1);
int av1_joint_amvd_motion_search(const AV1_COMMON *const cm, MACROBLOCKD *xd,
SUBPEL_MOTION_SEARCH_PARAMS *ms_params,
const MV *start_mv, MV *bestmv,
int *distortion, unsigned int *sse1,
int ref_idx, MV *other_mv, MV *best_other_mv,
uint16_t *second_pred,
InterPredParams *inter_pred_params);
void av1_make_default_subpel_ms_params(SUBPEL_MOTION_SEARCH_PARAMS *ms_params,
const struct AV1_COMP *cpi,
const MACROBLOCK *x, BLOCK_SIZE bsize,
const MV *ref_mv,
const MvSubpelPrecision pb_mv_precision,
const int *cost_list);
typedef int(fractional_mv_step_fp)(MACROBLOCKD *xd, const AV1_COMMON *const cm,
const SUBPEL_MOTION_SEARCH_PARAMS *ms_params,
MV start_mv, MV *bestmv, int *distortion,
unsigned int *sse1,
int_mv *last_mv_search_list);
extern fractional_mv_step_fp av1_find_best_sub_pixel_tree;
extern fractional_mv_step_fp av1_find_best_sub_pixel_tree_pruned;
extern fractional_mv_step_fp av1_find_best_sub_pixel_tree_pruned_more;
extern fractional_mv_step_fp av1_find_best_sub_pixel_tree_pruned_evenmore;
extern fractional_mv_step_fp av1_return_max_sub_pixel_mv;
extern fractional_mv_step_fp av1_return_min_sub_pixel_mv;
extern fractional_mv_step_fp av1_find_best_obmc_sub_pixel_tree_up;
unsigned int av1_refine_warped_mv(MACROBLOCKD *xd, const AV1_COMMON *const cm,
const SUBPEL_MOTION_SEARCH_PARAMS *ms_params,
BLOCK_SIZE bsize, const int *pts0,
const int *pts_inref0, int total_samples,
#if CONFIG_COMPOUND_WARP_CAUSAL
int8_t ref,
#endif // CONFIG_COMPOUND_WARP_CAUSAL
WARP_SEARCH_METHOD search_method,
int num_iterations);
#if CONFIG_EXTENDED_WARP_PREDICTION
// Returns 1 if able to select a good model, 0 if not
int av1_pick_warp_delta(const AV1_COMMON *const cm, MACROBLOCKD *xd,
MB_MODE_INFO *mbmi, const MB_MODE_INFO_EXT *mbmi_ext,
const SUBPEL_MOTION_SEARCH_PARAMS *ms_params,
const ModeCosts *mode_costs,
WARP_CANDIDATE *warp_param_stack);
int av1_refine_mv_for_base_param_warp_model(
const AV1_COMMON *const cm, MACROBLOCKD *xd, MB_MODE_INFO *mbmi,
const MB_MODE_INFO_EXT *mbmi_ext,
const SUBPEL_MOTION_SEARCH_PARAMS *ms_params,
WARP_SEARCH_METHOD search_method, int num_iterations);
void av1_refine_mv_for_warp_extend(const AV1_COMMON *cm, MACROBLOCKD *xd,
const SUBPEL_MOTION_SEARCH_PARAMS *ms_params,
bool neighbor_is_above, BLOCK_SIZE bsize,
const WarpedMotionParams *neighbor_params,
WARP_SEARCH_METHOD search_method,
int num_iterations);
#endif // CONFIG_EXTENDED_WARP_PREDICTION
static INLINE void av1_set_fractional_mv(int_mv *fractional_best_mv) {
for (int z = 0; z < 3; z++) {
fractional_best_mv[z].as_int = INVALID_MV;
}
}
// This function convert the mv value to the target precision
static INLINE int av1_lower_mv_limit(const int mv, const int shift) {
int out = ((abs(mv) >> shift) << shift);
return out * (mv < 0 ? -1 : 1);
}
static INLINE void av1_set_subpel_mv_search_range(
SubpelMvLimits *subpel_limits, const FullMvLimits *mv_limits,
const MV *ref_mv
,
MvSubpelPrecision pb_mv_precision
) {
// We have to make sure the generated mv_limits
// are compatible with target precision.
MV low_prec_ref_mv = *ref_mv;
#if CONFIG_C071_SUBBLK_WARPMV
if (pb_mv_precision < MV_PRECISION_HALF_PEL)
#endif // CONFIG_C071_SUBBLK_WARPMV
lower_mv_precision(&low_prec_ref_mv, pb_mv_precision);
// sub_pel_prec_shift is the number of LSBs need to be 0 to make the
// mv/mv_limit compatible
const int sub_pel_prec_shift =
(MV_PRECISION_ONE_EIGHTH_PEL - pb_mv_precision);
const int max_mv =
av1_lower_mv_limit(GET_MV_SUBPEL(MAX_FULL_PEL_VAL), sub_pel_prec_shift);
int col_min =
av1_lower_mv_limit(GET_MV_SUBPEL(mv_limits->col_min), sub_pel_prec_shift);
int col_max =
av1_lower_mv_limit(GET_MV_SUBPEL(mv_limits->col_max), sub_pel_prec_shift);
int row_min =
av1_lower_mv_limit(GET_MV_SUBPEL(mv_limits->row_min), sub_pel_prec_shift);
int row_max =
av1_lower_mv_limit(GET_MV_SUBPEL(mv_limits->row_max), sub_pel_prec_shift);
int minc = AOMMAX(col_min, low_prec_ref_mv.col - max_mv);
int maxc = AOMMIN(col_max, low_prec_ref_mv.col + max_mv);
int minr = AOMMAX(row_min, low_prec_ref_mv.row - max_mv);
int maxr = AOMMIN(row_max, low_prec_ref_mv.row + max_mv);
maxc = AOMMAX(minc, maxc);
maxr = AOMMAX(minr, maxr);
subpel_limits->col_min = AOMMAX(MV_LOW + (1 << sub_pel_prec_shift), minc);
subpel_limits->col_max = AOMMIN(MV_UPP - (1 << sub_pel_prec_shift), maxc);
subpel_limits->row_min = AOMMAX(MV_LOW + (1 << sub_pel_prec_shift), minr);
subpel_limits->row_max = AOMMIN(MV_UPP - (1 << sub_pel_prec_shift), maxr);
}
static INLINE void av1_set_tip_subpel_mv_search_range(
SubpelMvLimits *subpel_limits, const FullMvLimits *mv_limits) {
const int tmvp_mv = GET_MV_SUBPEL(TIP_MV_SEARCH_RANGE << TMVP_MI_SZ_LOG2);
subpel_limits->col_min = AOMMAX(GET_MV_SUBPEL(mv_limits->col_min), -tmvp_mv);
subpel_limits->col_max = AOMMIN(GET_MV_SUBPEL(mv_limits->col_max), tmvp_mv);
subpel_limits->row_min = AOMMAX(GET_MV_SUBPEL(mv_limits->row_min), -tmvp_mv);
subpel_limits->row_max = AOMMIN(GET_MV_SUBPEL(mv_limits->row_max), tmvp_mv);
}
static INLINE int av1_is_subpelmv_in_range(const SubpelMvLimits *mv_limits,
MV mv) {
return (mv.col >= mv_limits->col_min) && (mv.col <= mv_limits->col_max) &&
(mv.row >= mv_limits->row_min) && (mv.row <= mv_limits->row_max);
}
// Returns the cost for signaling the index of compound weighted prediction
int av1_get_cwp_idx_cost(int8_t cwp_idx, const AV1_COMMON *const cm,
const MACROBLOCK *x);
#if CONFIG_IBC_BV_IMPROVEMENT
// Returns the cost of using the current mv during the motion search
int av1_get_mv_err_cost(const MV *mv, const MV_COST_PARAMS *mv_cost_params);
// Set the reference MV for the motion search
void av1_init_ref_mv(MV_COST_PARAMS *mv_cost_params, const MV *ref_mv);
// Compute the cost for signalling the intrabc DRL index
int av1_get_intrabc_drl_idx_cost(int max_ref_bv_num, int intrabc_drl_idx,
const MACROBLOCK *x);
// Compute the cost for signalling the intrabc mode and intrabc DRL index. This
// is only used during the motion search
int av1_get_ref_bv_rate_cost(int intrabc_mode, int intrabc_drl_idx,
#if CONFIG_IBC_BV_IMPROVEMENT && CONFIG_IBC_MAX_DRL
int max_bvp_drl_bits,
#endif // CONFIG_IBC_BV_IMPROVEMENT && CONFIG_IBC_MAX_DRL
MACROBLOCK *x,
FULLPEL_MOTION_SEARCH_PARAMS fullms_params,
int ref_bv_cnt);
// Pick the best reference BV for the current BV
int av1_pick_ref_bv(FULLPEL_MV *best_full_mv,
#if CONFIG_IBC_BV_IMPROVEMENT && CONFIG_IBC_MAX_DRL
int max_bvp_drl_bits,
#endif // CONFIG_IBC_BV_IMPROVEMENT && CONFIG_IBC_MAX_DRL
const FULLPEL_MOTION_SEARCH_PARAMS *fullms_params);
// Compute the estimated RD cost for the reference BV
int av1_get_ref_mvpred_var_cost(const struct AV1_COMP *cpi,
const MACROBLOCKD *xd,
const FULLPEL_MOTION_SEARCH_PARAMS *ms_params);
#endif // CONFIG_IBC_BV_IMPROVEMENT
#ifdef __cplusplus
} // extern "C"
#endif
#endif // AOM_AV1_ENCODER_MCOMP_H_