| /* | 
 |  * 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 | 
 | // WARP_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; | 
 | #if CONFIG_DERIVED_MVD_SIGN | 
 | int av1_mv_sign_cost(const int sign, const int comp, const MvCosts *mv_costs, | 
 |                      int weight, int round_bit, const int is_adaptive_mvd); | 
 | #endif  // CONFIG_DERIVED_MVD_SIGN | 
 | 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 | 
 | #if CONFIG_IBC_SUBPEL_PRECISION | 
 |                             , | 
 |                             MvSubpelPrecision precision | 
 | #endif  // CONFIG_IBC_SUBPEL_PRECISION | 
 | ); | 
 |  | 
 | 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; | 
 | } 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 WARP_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; | 
 |  | 
 |   // 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_REDESIGN_WARP_MODES_SIGNALING_FLOW | 
 |       mbmi->mode == WARP_NEWMV || | 
 | #endif  // CONFIG_REDESIGN_WARP_MODES_SIGNALING_FLOW | 
 |       mbmi->mode == WARPMV) | 
 |     return 3; | 
 |   return 0; | 
 | } | 
 |  | 
 | int get_opfl_mv_iterations(const struct AV1_COMP *cpi, | 
 |                            const MB_MODE_INFO *mbmi); | 
 | #endif  // CONFIG_OPFL_MV_SEARCH | 
 |  | 
 | #if !CONFIG_TIP_MV_SIMPLIFICATION | 
 | void av1_set_tip_mv_search_range(FullMvLimits *mv_limits); | 
 | #endif  // !CONFIG_TIP_MV_SIMPLIFICATION | 
 |  | 
 | 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); | 
 |  | 
 | 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_SKIP_ME_FOR_OPFL_MODES | 
 | #define MAX_COMP_MV_STATS 128 | 
 |  | 
 | typedef struct { | 
 |   int8_t ref_frame_type; | 
 |   int ref_mv_idx_type; | 
 |   MvSubpelPrecision mv_precision; | 
 | #if CONFIG_INTER_MODE_CONSOLIDATION | 
 |   int use_amvd; | 
 | #endif  // CONFIG_INTER_MODE_CONSOLIDATION | 
 |   int_mv mv[2]; | 
 | } NEW_NEWMV_STATS; | 
 |  | 
 | typedef struct { | 
 |   int8_t ref_frame_type; | 
 |   int_mv start_mv; | 
 |   int_mv ref_mv; | 
 | #if CONFIG_INTER_MODE_CONSOLIDATION | 
 |   MvSubpelPrecision mv_precision; | 
 |   int use_amvd; | 
 | #endif  // CONFIG_INTER_MODE_CONSOLIDATION | 
 |   int_mv mv[2]; | 
 | } NEAR_NEWMV_STATS; | 
 |  | 
 | typedef struct { | 
 |   int8_t ref_frame_type; | 
 |   int ref_mv_idx_type; | 
 | #if CONFIG_INTER_MODE_CONSOLIDATION | 
 |   MvSubpelPrecision mv_precision; | 
 |   int use_amvd; | 
 | #endif  // CONFIG_INTER_MODE_CONSOLIDATION | 
 |   int_mv mv; | 
 | } NEW_NEARMV_STATS; | 
 |  | 
 | #if CONFIG_INTER_MODE_CONSOLIDATION | 
 | typedef struct { | 
 |   int8_t ref_frame_type; | 
 |   int_mv start_mv; | 
 |   int_mv ref_mv; | 
 |   int use_amvd; | 
 |   int_mv mv[2]; | 
 | } NEAR_NEWMV_AMVD_STATS; | 
 |  | 
 | typedef struct { | 
 |   int8_t ref_frame_type; | 
 |   int ref_mv_idx_type; | 
 |   int_mv ref_mv[2]; | 
 |   int use_amvd; | 
 |   int_mv mv[2]; | 
 | } NEW_NEWMV_AMVD_STATS; | 
 | typedef struct { | 
 |   int8_t ref_frame_type; | 
 |   int ref_mv_idx_type; | 
 |   int use_amvd; | 
 |   int_mv mv; | 
 | } NEW_NEARMV_AMVD_STATS; | 
 | #endif  // CONFIG_INTER_MODE_CONSOLIDATION | 
 | typedef struct { | 
 |   int8_t ref_frame_type; | 
 |   int ref_mv_idx_type; | 
 |   MvSubpelPrecision mv_precision; | 
 |   int joint_newmv_scale_idx; | 
 |   int8_t cwp_idx; | 
 | #if CONFIG_INTER_MODE_CONSOLIDATION | 
 |   int use_amvd; | 
 | #endif  // CONFIG_INTER_MODE_CONSOLIDATION | 
 |   int_mv mv[2]; | 
 | } JOINT_NEWMV_STATS; | 
 |  | 
 | typedef struct { | 
 |   int8_t ref_frame_type; | 
 |   int ref_mv_idx_type; | 
 |   int joint_amvd_scale_idx; | 
 |   int8_t cwp_idx; | 
 | #if CONFIG_INTER_MODE_CONSOLIDATION | 
 |   int use_amvd; | 
 | #endif  // CONFIG_INTER_MODE_CONSOLIDATION | 
 |   int_mv mv[2]; | 
 | } JOINT_AMVDNEWMV_STATS; | 
 | #endif  // CONFIG_SKIP_ME_FOR_OPFL_MODES | 
 |  | 
 | #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); | 
 | #if CONFIG_INTER_MODE_CONSOLIDATION | 
 | void av1_amvd_joint_motion_search(const struct AV1_COMP *cpi, MACROBLOCK *x, | 
 |                                   BLOCK_SIZE bsize, int_mv *cur_mv, | 
 |                                   const uint8_t *mask, int mask_stride, | 
 |                                   int *rate_mv); | 
 | #endif  // CONFIG_INTER_MODE_CONSOLIDATION | 
 | 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, | 
 | #if CONFIG_IBC_SUBPEL_PRECISION | 
 |                                        const int is_ibc_cost, | 
 | #endif  // CONFIG_IBC_SUBPEL_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; | 
 |  | 
 | #if CONFIG_IBC_SUBPEL_PRECISION | 
 | int upsampled_pref_error(MACROBLOCKD *xd, const AV1_COMMON *cm, | 
 |                          const MV *this_mv, | 
 |                          const SUBPEL_SEARCH_VAR_PARAMS *var_params, | 
 |                          unsigned int *sse); | 
 | int av1_find_best_sub_pixel_intraBC_dv( | 
 |     MACROBLOCKD *xd, const AV1_COMMON *const cm, | 
 |     const SUBPEL_MOTION_SEARCH_PARAMS *ms_params, MV start_mv, MV *bestmv, | 
 |     int *distortion, unsigned int *sse1, FullMvLimits *full_pel_mv_limits, | 
 |     BLOCK_SIZE bsize); | 
 | // Refinement of MVs | 
 | int av1_refine_low_precision_intraBC_dv( | 
 |     MACROBLOCKD *xd, const AV1_COMMON *const cm, | 
 |     const SUBPEL_MOTION_SEARCH_PARAMS *ms_params, MV start_mv, MV *bestmv, | 
 |     int *distortion, unsigned int *sse1, FullMvLimits *full_pel_mv_limits, | 
 |     BLOCK_SIZE bsize); | 
 | #endif  // CONFIG_IBC_SUBPEL_PRECISION | 
 |  | 
 | #if CONFIG_WARP_PRECISION | 
 |  | 
 | // Struct to store coding info for fast warp search | 
 | typedef struct { | 
 |   WarpedMotionParams prev_wm_params; | 
 |   int is_valid; | 
 |   int step_size; | 
 |   MB_MODE_INFO mbmi_stats; | 
 | } warp_mode_info; | 
 |  | 
 | typedef struct { | 
 |   warp_mode_info warp_param_info[WARP_STATS_BUFFER_SIZE]; | 
 |   int model_count; | 
 |   int model_start_idx; | 
 | } warp_mode_info_array; | 
 |  | 
 | void reset_warp_stats_buffer(warp_mode_info_array *warp_stats); | 
 | void update_warp_stats_buffer(const warp_mode_info *const this_warp_stats, | 
 |                               warp_mode_info_array *warp_stats); | 
 |  | 
 | #endif  // CONFIG_WARP_PRECISION | 
 | 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_DERIVED_MVD_SIGN | 
 | uint8_t need_mv_adjustment(MACROBLOCKD *xd, const AV1_COMMON *const cm, | 
 |                            MACROBLOCK *const x, MB_MODE_INFO *mbmi, | 
 |                            BLOCK_SIZE bsize, MV *mv_diffs, MV *ref_mvs, | 
 |                            MvSubpelPrecision pb_mv_precision, | 
 |                            int *num_signaled_mvd, int *start_signaled_mvd_idx, | 
 |                            int *num_nonzero_mvd); | 
 | #endif  // CONFIG_DERIVED_MVD_SIGN | 
 |  | 
 | // 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 SUBPEL_MOTION_SEARCH_PARAMS *ms_params, | 
 |                         const ModeCosts *mode_costs, | 
 | #if CONFIG_WARP_PRECISION | 
 |                         warp_mode_info_array *prev_best_models, | 
 | #endif  // CONFIG_WARP_PRECISION | 
 |                         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); | 
 |  | 
 | 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; | 
 |   } | 
 | } | 
 |  | 
 | #if CONFIG_DERIVED_MVD_SIGN | 
 | static INLINE int is_valid_sign_mvd_single(const MV mvd, | 
 |                                            MvSubpelPrecision precision, | 
 |                                            const int is_adaptive_mvd, | 
 |                                            int th_for_num_nonzero) { | 
 |   (void)is_adaptive_mvd; | 
 |   int num_nonzero_mvd_comp = (mvd.row != 0) + (mvd.col != 0); | 
 |   if (num_nonzero_mvd_comp < th_for_num_nonzero) return 1; | 
 |   int precision_shift = MV_PRECISION_ONE_EIGHTH_PEL - precision; | 
 |   int last_sign = -1; | 
 |   int sum_mvd = 0; | 
 |   for (int comp = 0; comp < 2; comp++) { | 
 |     int this_mvd_comp = comp == 0 ? mvd.row : mvd.col; | 
 |     if (abs(this_mvd_comp) > MV_MAX) return 0; | 
 |     if (this_mvd_comp) { | 
 |       last_sign = (this_mvd_comp < 0); | 
 |       sum_mvd += (abs(this_mvd_comp) >> precision_shift); | 
 |     } | 
 |   } | 
 |  | 
 |   return (last_sign == (sum_mvd & 0x1)); | 
 | } | 
 | #endif  // CONFIG_DERIVED_MVD_SIGN | 
 | // 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); | 
 | } | 
 |  | 
 | #if !CONFIG_TIP_MV_SIMPLIFICATION | 
 | 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); | 
 | } | 
 | #endif  // !CONFIG_TIP_MV_SIMPLIFICATION | 
 |  | 
 | 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); | 
 | } | 
 |  | 
 | #if CONFIG_IBC_SUBPEL_PRECISION | 
 | void get_default_ref_bv(int_mv *cur_ref_bv, | 
 |                         const FULLPEL_MOTION_SEARCH_PARAMS *fullms_params); | 
 | static INLINE void init_mv_cost_params(MV_COST_PARAMS *mv_cost_params, | 
 |                                        const MvCosts *mv_costs, | 
 |                                        int is_adaptive_mvd, const MV *ref_mv, | 
 |                                        MvSubpelPrecision pb_mv_precision | 
 | #if CONFIG_IBC_BV_IMPROVEMENT | 
 |                                        , | 
 |                                        const int is_ibc_cost | 
 | #endif | 
 |  | 
 | ) { | 
 |   mv_cost_params->ref_mv = ref_mv; | 
 |   mv_cost_params->full_ref_mv = get_fullmv_from_mv(ref_mv); | 
 |   mv_cost_params->mv_cost_type = MV_COST_ENTROPY; | 
 |  | 
 |   mv_cost_params->mv_costs = mv_costs; | 
 |   mv_cost_params->pb_mv_precision = pb_mv_precision; | 
 |  | 
 |   mv_cost_params->is_adaptive_mvd = is_adaptive_mvd; | 
 |  | 
 | #if CONFIG_IBC_BV_IMPROVEMENT | 
 |   mv_cost_params->is_ibc_cost = is_ibc_cost; | 
 | #endif | 
 | } | 
 |  | 
 | // Check if the MV is valid for IBC mode | 
 | static INLINE int is_sub_pel_bv_valid(const MV dv, const AV1_COMMON *cm, | 
 |                                       const MACROBLOCKD *xd, int mi_row, | 
 |                                       int mi_col, BLOCK_SIZE bsize, | 
 |                                       const SubpelMvLimits *sub_pel_mv_limits, | 
 |                                       const FullMvLimits *full_pel_mv_limits, | 
 |                                       MvSubpelPrecision pb_mv_precision) { | 
 |   return av1_is_fullmv_in_range(full_pel_mv_limits, get_fullmv_from_mv(&dv), | 
 |                                 pb_mv_precision) && | 
 |          av1_is_subpelmv_in_range(sub_pel_mv_limits, dv) && | 
 |          av1_is_dv_valid(dv, cm, xd, mi_row, mi_col, bsize, cm->mib_size_log2); | 
 | } | 
 | #endif  // CONFIG_IBC_SUBPEL_PRECISION | 
 |  | 
 | // 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, int errorperbit, 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_ |