|  | /* | 
|  | * 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/. | 
|  | */ | 
|  |  | 
|  | #include <stdlib.h> | 
|  |  | 
|  | #include "av1/common/mv.h" | 
|  | #include "av1/common/mvref_common.h" | 
|  | #if CONFIG_DRL_REORDER_CONTROL | 
|  | #include "av1/common/reconintra.h" | 
|  | #endif  // CONFIG_DRL_REORDER_CONTROL | 
|  | #include "av1/common/tip.h" | 
|  | #include "av1/common/warped_motion.h" | 
|  |  | 
|  | #if CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  | // Use the example code to calculate TMVP/MVTJ motion field per superblock | 
|  | #define USE_PER_BLOCK_TMVP 0 | 
|  | #endif  // CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  |  | 
|  | #if CONFIG_MVP_IMPROVEMENT | 
|  | typedef struct single_mv_candidate { | 
|  | int_mv mv; | 
|  | MV_REFERENCE_FRAME ref_frame; | 
|  | } SINGLE_MV_CANDIDATE; | 
|  | #endif  // CONFIG_MVP_IMPROVEMENT | 
|  |  | 
|  | #if CONFIG_MVP_SIMPLIFY | 
|  | #if CONFIG_TMVP_SIMPLIFICATION | 
|  | #define TMVP_SEARCH_COUNT 2 | 
|  | #else | 
|  | #define TMVP_SEARCH_COUNT 5 | 
|  | #endif  // CONFIG_TMVP_SIMPLIFICATION | 
|  | #if CONFIG_CWG_E099_DRL_WRL_SIMPLIFY | 
|  | #define SMVP_COL_SEARCH_COUNT 2 | 
|  | #else | 
|  | #define SMVP_COL_SEARCH_COUNT 3 | 
|  | #endif  // CONFIG_CWG_E099_DRL_WRL_SIMPLIFY | 
|  | typedef struct mvp_unit_status { | 
|  | int is_available; | 
|  | int row_offset; | 
|  | int col_offset; | 
|  | } MVP_UNIT_STATUS; | 
|  | #endif  // CONFIG_MVP_SIMPLIFY | 
|  |  | 
|  | #if CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | enum { | 
|  | /** | 
|  | * Coding block width is 4 | 
|  | */ | 
|  | BLOCK_WIDTH_4 = 0, | 
|  | /** | 
|  | * Coding block width is 8 | 
|  | */ | 
|  | BLOCK_WIDTH_8, | 
|  | /** | 
|  | * Coding block width no less than 16 | 
|  | */ | 
|  | BLOCK_WIDTH_OTHERS, | 
|  | /** | 
|  | * Coding block width types | 
|  | */ | 
|  | BLOCK_WIDTH_TYPES, | 
|  | } UENUM1BYTE(BLOCK_WIDTH_TYPE); | 
|  | #endif  // CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  |  | 
|  | #if CONFIG_TMVP_MEM_OPT | 
|  | #define TIP_MFMV_STACK_SIZE 3  // The limit for original TMVP w/ TIP. | 
|  | #define MFMV_STACK_SIZE 4      // The total limit of motion field candidates. | 
|  | #else | 
|  | #define MFMV_STACK_SIZE 3 | 
|  | #endif  // CONFIG_TMVP_MEM_OPT | 
|  |  | 
|  | #if CONFIG_TMVP_MEM_OPT | 
|  | #if CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  | #if USE_PER_BLOCK_TMVP | 
|  | void check_traj_intersect_block(AV1_COMMON *cm, MV_REFERENCE_FRAME start_frame, | 
|  | MV_REFERENCE_FRAME end_frame, const MV *mv, | 
|  | int start_row, int start_col, int mvs_cols, | 
|  | int res_start_row, int res_start_col, | 
|  | int res_end_row, int res_end_col); | 
|  | // Calculate the projected motion field from the TMVP mvs that points from | 
|  | // start_frame to target_frame. | 
|  | static int motion_field_projection_start_target_block( | 
|  | AV1_COMMON *cm, MV_REFERENCE_FRAME start_frame, | 
|  | MV_REFERENCE_FRAME target_frame, int refmv_start_row, int refmv_start_col, | 
|  | int refmv_end_row, int refmv_end_col, int res_start_row, int res_start_col, | 
|  | int res_end_row, int res_end_col) { | 
|  | #if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | const int cur_order_hint = cm->cur_frame->display_order_hint; | 
|  | int start_order_hint = get_ref_frame_buf(cm, start_frame)->display_order_hint; | 
|  | int target_order_hint = | 
|  | get_ref_frame_buf(cm, target_frame)->display_order_hint; | 
|  | #else | 
|  | const int cur_order_hint = cm->cur_frame->order_hint; | 
|  | int start_order_hint = get_ref_frame_buf(cm, start_frame)->order_hint; | 
|  | int target_order_hint = get_ref_frame_buf(cm, target_frame)->order_hint; | 
|  | #endif  // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  |  | 
|  | OrderHintInfo *order_hint_info = &cm->seq_params.order_hint_info; | 
|  |  | 
|  | int ref_frame_offset = | 
|  | get_relative_dist(order_hint_info, start_order_hint, target_order_hint); | 
|  |  | 
|  | if (abs(ref_frame_offset) > MAX_FRAME_DISTANCE) { | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | const RefCntBuffer *const start_frame_buf = | 
|  | get_ref_frame_buf(cm, start_frame); | 
|  | if (!is_ref_motion_field_eligible(cm, start_frame_buf)) return 0; | 
|  |  | 
|  | #if CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | const int is_scaled = (start_frame_buf->width != cm->width || | 
|  | start_frame_buf->height != cm->height); | 
|  | struct scale_factors sf_; | 
|  | // Inverse scale factor | 
|  | av1_setup_scale_factors_for_frame(&sf_, cm->width, cm->height, | 
|  | start_frame_buf->width, | 
|  | start_frame_buf->height); | 
|  | const struct scale_factors *sf = &sf_; | 
|  | #else | 
|  | assert(start_frame_buf->width == cm->width && | 
|  | start_frame_buf->height == cm->height); | 
|  | #endif  // CONFIG_ACROSS_SCALE_TPL_MVS | 
|  |  | 
|  | #if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | const int *const ref_order_hints = start_frame_buf->ref_display_order_hint; | 
|  | #else | 
|  | const int *const ref_order_hints = &start_frame_buf->ref_order_hints[0]; | 
|  | #endif  // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  |  | 
|  | int start_to_current_frame_offset = | 
|  | get_relative_dist(order_hint_info, start_order_hint, cur_order_hint); | 
|  |  | 
|  | if (abs(start_to_current_frame_offset) > MAX_FRAME_DISTANCE) { | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | const int is_backward = ref_frame_offset < 0; | 
|  | int mv_idx = is_backward ? 1 : 0; | 
|  | if (is_backward) { | 
|  | ref_frame_offset = -ref_frame_offset; | 
|  | start_to_current_frame_offset = -start_to_current_frame_offset; | 
|  | } | 
|  |  | 
|  | const int temporal_scale_factor = | 
|  | tip_derive_scale_factor(start_to_current_frame_offset, ref_frame_offset); | 
|  | #if CONFIG_MV_TRAJECTORY | 
|  | const int ref_temporal_scale_factor = tip_derive_scale_factor( | 
|  | -ref_frame_offset + start_to_current_frame_offset, -ref_frame_offset); | 
|  | #endif  // CONFIG_MV_TRAJECTORY | 
|  |  | 
|  | TPL_MV_REF *tpl_mvs_base = cm->tpl_mvs; | 
|  | const MV_REF *mv_ref_base = start_frame_buf->mvs; | 
|  | const int mvs_rows = | 
|  | ROUND_POWER_OF_TWO(cm->mi_params.mi_rows, TMVP_SHIFT_BITS); | 
|  | const int mvs_cols = | 
|  | ROUND_POWER_OF_TWO(cm->mi_params.mi_cols, TMVP_SHIFT_BITS); | 
|  | const int mvs_stride = mvs_cols; | 
|  | const int start_mvs_rows = | 
|  | ROUND_POWER_OF_TWO(start_frame_buf->mi_rows, TMVP_SHIFT_BITS); | 
|  | const int start_mvs_cols = | 
|  | ROUND_POWER_OF_TWO(start_frame_buf->mi_cols, TMVP_SHIFT_BITS); | 
|  | (void)mvs_rows; | 
|  |  | 
|  | assert(cm->tmvp_sample_step > 0); | 
|  | for (int blk_row = AOMMAX(0, refmv_start_row); | 
|  | blk_row < AOMMIN(start_mvs_rows, refmv_end_row); | 
|  | blk_row += cm->tmvp_sample_step) { | 
|  | for (int blk_col = AOMMAX(0, refmv_start_col); | 
|  | blk_col < AOMMIN(start_mvs_cols, refmv_end_col); | 
|  | blk_col += cm->tmvp_sample_step) { | 
|  | const MV_REF *mv_ref = &mv_ref_base[blk_row * start_mvs_cols + blk_col]; | 
|  | if (is_inter_ref_frame(mv_ref->ref_frame[mv_idx])) { | 
|  | const int ref_frame_order_hint = | 
|  | ref_order_hints[mv_ref->ref_frame[mv_idx]]; | 
|  | if (get_relative_dist(order_hint_info, ref_frame_order_hint, | 
|  | target_order_hint) == 0) { | 
|  | MV ref_mv = mv_ref->mv[mv_idx].as_mv; | 
|  | #if CONFIG_TMVP_MV_COMPRESSION | 
|  | fetch_mv_from_tmvp(&ref_mv); | 
|  | #endif  // CONFIG_TMVP_MV_COMPRESSION | 
|  | int scaled_blk_col = blk_col; | 
|  | int scaled_blk_row = blk_row; | 
|  | #if CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | if (is_scaled) { | 
|  | get_scaled_mi_row_col(blk_row, blk_col, &scaled_blk_row, | 
|  | &scaled_blk_col, sf); | 
|  | scaled_blk_row = clamp(scaled_blk_row, 0, mvs_rows - 1); | 
|  | scaled_blk_col = clamp(scaled_blk_col, 0, mvs_cols - 1); | 
|  | scaled_blk_row = | 
|  | (scaled_blk_row / cm->tmvp_sample_step) * cm->tmvp_sample_step; | 
|  | scaled_blk_col = | 
|  | (scaled_blk_col / cm->tmvp_sample_step) * cm->tmvp_sample_step; | 
|  |  | 
|  | assert(blk_row == scaled_blk_row);  // only 1D super-res is allowed | 
|  | ref_mv.row = | 
|  | ref_mv.row == 0 ? 0 : sf->scale_value_y_gen(ref_mv.row, sf); | 
|  | ref_mv.col = | 
|  | ref_mv.col == 0 ? 0 : sf->scale_value_x_gen(ref_mv.col, sf); | 
|  | } | 
|  | #endif  // CONFIG_ACROSS_SCALE_TPL_MVS | 
|  |  | 
|  | #if CONFIG_MV_TRAJECTORY | 
|  | if (cm->seq_params.enable_mv_traj) { | 
|  | check_traj_intersect_block(cm, start_frame, target_frame, &ref_mv, | 
|  | scaled_blk_row, scaled_blk_col, mvs_cols, | 
|  | res_start_row, res_start_col, | 
|  | res_end_row, res_end_col); | 
|  | } | 
|  | #endif  // CONFIG_MV_TRAJECTORY | 
|  |  | 
|  | int_mv this_mv; | 
|  | int mi_r = 0; | 
|  | int mi_c = 0; | 
|  | tip_get_mv_projection(&this_mv.as_mv, ref_mv, temporal_scale_factor); | 
|  | int pos_valid; | 
|  | if (this_mv.as_int == 0) { | 
|  | pos_valid = 1; | 
|  | mi_r = scaled_blk_row; | 
|  | mi_c = scaled_blk_col; | 
|  | } else { | 
|  | pos_valid = get_block_position_no_constraint( | 
|  | cm, &mi_r, &mi_c, scaled_blk_row, scaled_blk_col, this_mv.as_mv, | 
|  | 0); | 
|  | } | 
|  | mi_r = (mi_r / cm->tmvp_sample_step) * cm->tmvp_sample_step; | 
|  | mi_c = (mi_c / cm->tmvp_sample_step) * cm->tmvp_sample_step; | 
|  |  | 
|  | #if CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | if (is_scaled) { | 
|  | assert((mi_r % cm->tmvp_sample_step) == 0); | 
|  | assert((mi_c % cm->tmvp_sample_step) == 0); | 
|  | if (mi_r < 0 || mi_r >= mvs_rows || mi_c < 0 || mi_c >= mvs_cols) | 
|  | pos_valid = 0; | 
|  | } | 
|  | #endif  // CONFIG_ACROSS_SCALE_TPL_MVS | 
|  |  | 
|  | if (pos_valid) | 
|  | pos_valid = check_block_position(cm, scaled_blk_row, scaled_blk_col, | 
|  | mi_r, mi_c); | 
|  |  | 
|  | if (pos_valid) { | 
|  | const int mi_offset = mi_r * mvs_stride + mi_c; | 
|  | if (tpl_mvs_base[mi_offset].mfmv0.as_int == INVALID_MV && | 
|  | mi_r >= res_start_row && mi_r < res_end_row && | 
|  | mi_c >= res_start_col && mi_c < res_end_col) { | 
|  | #if CONFIG_MV_TRAJECTORY | 
|  | if (cm->seq_params.enable_mv_traj) { | 
|  | int traj_id = mi_offset; | 
|  |  | 
|  | cm->id_offset_map[start_frame][traj_id].as_mv.row = | 
|  | -this_mv.as_mv.row; | 
|  | cm->id_offset_map[start_frame][traj_id].as_mv.col = | 
|  | -this_mv.as_mv.col; | 
|  |  | 
|  | cm->blk_id_map[0][start_frame][scaled_blk_row * mvs_cols + | 
|  | scaled_blk_col] = traj_id; | 
|  |  | 
|  | MV target_frame_mv; | 
|  | tip_get_mv_projection(&target_frame_mv, ref_mv, | 
|  | ref_temporal_scale_factor); | 
|  | cm->id_offset_map[target_frame][traj_id].as_mv = | 
|  | target_frame_mv; | 
|  | int target_row = 0, target_col = 0; | 
|  | int target_pos_valid; | 
|  | if (ref_mv.row == 0 && ref_mv.col == 0) { | 
|  | target_pos_valid = 1; | 
|  | target_row = scaled_blk_row; | 
|  | target_col = scaled_blk_col; | 
|  | } else { | 
|  | target_pos_valid = get_block_position_no_constraint( | 
|  | cm, &target_row, &target_col, scaled_blk_row, | 
|  | scaled_blk_col, ref_mv, 0); | 
|  | } | 
|  | target_row = | 
|  | (target_row / cm->tmvp_sample_step) * cm->tmvp_sample_step; | 
|  | target_col = | 
|  | (target_col / cm->tmvp_sample_step) * cm->tmvp_sample_step; | 
|  |  | 
|  | if (target_pos_valid) | 
|  | target_pos_valid = check_block_position( | 
|  | cm, target_row, target_col, mi_r, mi_c); | 
|  |  | 
|  | #if CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | assert(IMPLIES(target_pos_valid, | 
|  | target_col >= 0 && target_col < mvs_cols && | 
|  | target_row >= 0 && target_row < mvs_rows)); | 
|  | #endif  // CONFIG_ACROSS_SCALE_TPL_MVS | 
|  |  | 
|  | if (target_pos_valid) { | 
|  | cm->blk_id_map[0][target_frame] | 
|  | [target_row * mvs_cols + target_col] = traj_id; | 
|  | } | 
|  | } | 
|  | #endif  // CONFIG_MV_TRAJECTORY | 
|  |  | 
|  | if (is_backward) { | 
|  | ref_mv.row = -ref_mv.row; | 
|  | ref_mv.col = -ref_mv.col; | 
|  | } | 
|  | if (mi_r >= res_start_row && mi_r < res_end_row && | 
|  | mi_c >= res_start_col && mi_c < res_end_col) { | 
|  | tpl_mvs_base[mi_offset].mfmv0.as_mv.row = ref_mv.row; | 
|  | tpl_mvs_base[mi_offset].mfmv0.as_mv.col = ref_mv.col; | 
|  | tpl_mvs_base[mi_offset].ref_frame_offset = ref_frame_offset; | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | return 1; | 
|  | } | 
|  |  | 
|  | // Calculate the projected motion field from the TMVP mvs that points from | 
|  | // start_frame to one side. | 
|  | static int motion_field_projection_side_block( | 
|  | AV1_COMMON *cm, MV_REFERENCE_FRAME start_frame, int side_idx, | 
|  | int refmv_start_row, int refmv_start_col, int refmv_end_row, | 
|  | int refmv_end_col, int res_start_row, int res_start_col, int res_end_row, | 
|  | int res_end_col) { | 
|  | TPL_MV_REF *tpl_mvs_base = cm->tpl_mvs; | 
|  | int ref_offset[INTER_REFS_PER_FRAME] = { 0 }; | 
|  |  | 
|  | const RefCntBuffer *const start_frame_buf = | 
|  | get_ref_frame_buf(cm, start_frame); | 
|  | if (!is_ref_motion_field_eligible(cm, start_frame_buf)) return 0; | 
|  |  | 
|  | #if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | const int start_frame_order_hint = start_frame_buf->display_order_hint; | 
|  | const int cur_order_hint = cm->cur_frame->display_order_hint; | 
|  | #else | 
|  | const int start_frame_order_hint = start_frame_buf->order_hint; | 
|  | const int cur_order_hint = cm->cur_frame->order_hint; | 
|  | #endif  // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | int start_to_current_frame_offset = get_relative_dist( | 
|  | &cm->seq_params.order_hint_info, start_frame_order_hint, cur_order_hint); | 
|  |  | 
|  | if (abs(start_to_current_frame_offset) > MAX_FRAME_DISTANCE) { | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | int temporal_scale_factor[REF_FRAMES] = { 0 }; | 
|  | #if CONFIG_MV_TRAJECTORY | 
|  | int ref_temporal_scale_factor[REF_FRAMES] = { 0 }; | 
|  | #endif  // CONFIG_MV_TRAJECTORY | 
|  | int ref_abs_offset[REF_FRAMES] = { 0 }; | 
|  |  | 
|  | #if CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | const int is_scaled = (start_frame_buf->width != cm->width || | 
|  | start_frame_buf->height != cm->height); | 
|  | struct scale_factors sf_; | 
|  | // Inverse scale factor | 
|  | av1_setup_scale_factors_for_frame(&sf_, cm->width, cm->height, | 
|  | start_frame_buf->width, | 
|  | start_frame_buf->height); | 
|  | const struct scale_factors *sf = &sf_; | 
|  | #else | 
|  | assert(start_frame_buf->width == cm->width && | 
|  | start_frame_buf->height == cm->height); | 
|  | #endif  // CONFIG_ACROSS_SCALE_TPL_MVS | 
|  |  | 
|  | #if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | const int *const ref_order_hints = | 
|  | &start_frame_buf->ref_display_order_hint[0]; | 
|  | #else | 
|  | const int *const ref_order_hints = &start_frame_buf->ref_order_hints[0]; | 
|  | #endif  // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | for (MV_REFERENCE_FRAME rf = 0; rf < INTER_REFS_PER_FRAME; ++rf) { | 
|  | if (ref_order_hints[rf] != -1) { | 
|  | ref_offset[rf] = | 
|  | get_relative_dist(&cm->seq_params.order_hint_info, | 
|  | start_frame_order_hint, ref_order_hints[rf]); | 
|  | ref_abs_offset[rf] = abs(ref_offset[rf]); | 
|  | temporal_scale_factor[rf] = tip_derive_scale_factor( | 
|  | start_to_current_frame_offset, ref_offset[rf]); | 
|  | #if CONFIG_MV_TRAJECTORY | 
|  | int ref_to_current_frame_offset = | 
|  | -ref_offset[rf] + start_to_current_frame_offset; | 
|  | ref_temporal_scale_factor[rf] = | 
|  | tip_derive_scale_factor(ref_to_current_frame_offset, -ref_offset[rf]); | 
|  | #endif  // CONFIG_MV_TRAJECTORY | 
|  | } | 
|  | } | 
|  |  | 
|  | #if CONFIG_MV_TRAJECTORY | 
|  | int start_ref_map[INTER_REFS_PER_FRAME]; | 
|  | for (int k = 0; k < INTER_REFS_PER_FRAME; k++) { | 
|  | #if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | const int ref_k_hint = start_frame_buf->ref_display_order_hint[k]; | 
|  | #else | 
|  | const int ref_k_hint = start_frame_buf->ref_order_hints[k]; | 
|  | #endif | 
|  | start_ref_map[k] = NONE_FRAME; | 
|  | for (int rf = 0; rf < cm->ref_frames_info.num_total_refs; rf++) { | 
|  | #if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | const int rf_hint = get_ref_frame_buf(cm, rf)->display_order_hint; | 
|  | #else | 
|  | const int rf_hint = get_ref_frame_buf(cm, rf)->order_hint; | 
|  | #endif | 
|  | if (rf_hint >= 0 && ref_k_hint >= 0 && | 
|  | get_relative_dist(&cm->seq_params.order_hint_info, rf_hint, | 
|  | ref_k_hint) == 0) { | 
|  | start_ref_map[k] = rf; | 
|  | break; | 
|  | } | 
|  | } | 
|  | } | 
|  | #endif  // CONFIG_MV_TRAJECTORY | 
|  |  | 
|  | MV_REF *mv_ref_base = start_frame_buf->mvs; | 
|  | const int mvs_rows = | 
|  | ROUND_POWER_OF_TWO(cm->mi_params.mi_rows, TMVP_SHIFT_BITS); | 
|  | const int mvs_cols = | 
|  | ROUND_POWER_OF_TWO(cm->mi_params.mi_cols, TMVP_SHIFT_BITS); | 
|  | const int mvs_stride = mvs_cols; | 
|  | const int start_mvs_rows = | 
|  | ROUND_POWER_OF_TWO(start_frame_buf->mi_rows, TMVP_SHIFT_BITS); | 
|  | const int start_mvs_cols = | 
|  | ROUND_POWER_OF_TWO(start_frame_buf->mi_cols, TMVP_SHIFT_BITS); | 
|  | (void)mvs_rows; | 
|  |  | 
|  | assert(cm->tmvp_sample_step > 0); | 
|  | for (int blk_row = AOMMAX(0, refmv_start_row); | 
|  | blk_row < AOMMIN(start_mvs_rows, refmv_end_row); | 
|  | blk_row += cm->tmvp_sample_step) { | 
|  | for (int blk_col = AOMMAX(0, refmv_start_col); | 
|  | blk_col < AOMMIN(start_mvs_cols, refmv_end_col); | 
|  | blk_col += cm->tmvp_sample_step) { | 
|  | MV_REF *mv_ref = &mv_ref_base[blk_row * start_mvs_cols + blk_col]; | 
|  | const MV_REFERENCE_FRAME ref_frame = mv_ref->ref_frame[side_idx]; | 
|  | if (is_inter_ref_frame(ref_frame)) { | 
|  | MV ref_mv = mv_ref->mv[side_idx].as_mv; | 
|  | #if CONFIG_TMVP_MV_COMPRESSION | 
|  | fetch_mv_from_tmvp(&ref_mv); | 
|  | #endif  // CONFIG_TMVP_MV_COMPRESSION | 
|  |  | 
|  | int scaled_blk_col = blk_col; | 
|  | int scaled_blk_row = blk_row; | 
|  | #if CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | if (is_scaled) { | 
|  | get_scaled_mi_row_col(blk_row, blk_col, &scaled_blk_row, | 
|  | &scaled_blk_col, sf); | 
|  | scaled_blk_row = clamp(scaled_blk_row, 0, mvs_rows - 1); | 
|  | scaled_blk_col = clamp(scaled_blk_col, 0, mvs_cols - 1); | 
|  |  | 
|  | scaled_blk_row = | 
|  | (scaled_blk_row / cm->tmvp_sample_step) * cm->tmvp_sample_step; | 
|  | scaled_blk_col = | 
|  | (scaled_blk_col / cm->tmvp_sample_step) * cm->tmvp_sample_step; | 
|  |  | 
|  | assert(blk_row == scaled_blk_row);  // only 1D super-res is allowed | 
|  | ref_mv.row = | 
|  | ref_mv.row == 0 ? 0 : sf->scale_value_y_gen(ref_mv.row, sf); | 
|  | ref_mv.col = | 
|  | ref_mv.col == 0 ? 0 : sf->scale_value_x_gen(ref_mv.col, sf); | 
|  | } | 
|  |  | 
|  | #endif  // CONFIG_ACROSS_SCALE_TPL_MVS | 
|  |  | 
|  | #if CONFIG_MV_TRAJECTORY | 
|  | MV_REFERENCE_FRAME end_frame = start_ref_map[ref_frame]; | 
|  | if (cm->seq_params.enable_mv_traj) { | 
|  | check_traj_intersect_block(cm, start_frame, end_frame, &ref_mv, | 
|  | scaled_blk_row, scaled_blk_col, mvs_cols, | 
|  | res_start_row, res_start_col, res_end_row, | 
|  | res_end_col); | 
|  | } | 
|  | #endif  // CONFIG_MV_TRAJECTORY | 
|  |  | 
|  | int ref_frame_offset = ref_offset[ref_frame]; | 
|  | int pos_valid = ref_abs_offset[ref_frame] <= MAX_FRAME_DISTANCE; | 
|  | if ((side_idx == 0 && ref_frame_offset < 0) || | 
|  | (side_idx == 1 && ref_frame_offset > 0)) { | 
|  | pos_valid = 0; | 
|  | } | 
|  | if (pos_valid) { | 
|  | int_mv this_mv; | 
|  | int mi_r = scaled_blk_row; | 
|  | int mi_c = scaled_blk_col; | 
|  | if (!(ref_mv.row == 0 && ref_mv.col == 0)) { | 
|  | tip_get_mv_projection(&this_mv.as_mv, ref_mv, | 
|  | temporal_scale_factor[ref_frame]); | 
|  | pos_valid = get_block_position_no_constraint( | 
|  | cm, &mi_r, &mi_c, scaled_blk_row, scaled_blk_col, this_mv.as_mv, | 
|  | 0); | 
|  | } else { | 
|  | this_mv.as_int = 0; | 
|  | } | 
|  | mi_r = (mi_r / cm->tmvp_sample_step) * cm->tmvp_sample_step; | 
|  | mi_c = (mi_c / cm->tmvp_sample_step) * cm->tmvp_sample_step; | 
|  |  | 
|  | #if CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | if (is_scaled) { | 
|  | assert((mi_r % cm->tmvp_sample_step) == 0); | 
|  | assert((mi_c % cm->tmvp_sample_step) == 0); | 
|  | if (mi_r < 0 || mi_r >= mvs_rows || mi_c < 0 || mi_c >= mvs_cols) | 
|  | pos_valid = 0; | 
|  | } | 
|  | #endif  // CONFIG_ACROSS_SCALE_TPL_MVS | 
|  |  | 
|  | if (pos_valid) | 
|  | pos_valid = check_block_position(cm, scaled_blk_row, scaled_blk_col, | 
|  | mi_r, mi_c); | 
|  |  | 
|  | if (pos_valid) { | 
|  | const int mi_offset = mi_r * mvs_stride + mi_c; | 
|  | if (tpl_mvs_base[mi_offset].mfmv0.as_int == INVALID_MV && | 
|  | mi_r >= res_start_row && mi_r < res_end_row && | 
|  | mi_c >= res_start_col && mi_c < res_end_col) { | 
|  | #if CONFIG_MV_TRAJECTORY | 
|  | if (cm->seq_params.enable_mv_traj) { | 
|  | int traj_id = mi_offset; | 
|  |  | 
|  | cm->id_offset_map[start_frame][traj_id].as_mv.row = | 
|  | -this_mv.as_mv.row; | 
|  | cm->id_offset_map[start_frame][traj_id].as_mv.col = | 
|  | -this_mv.as_mv.col; | 
|  |  | 
|  | cm->blk_id_map[0][start_frame][scaled_blk_row * mvs_cols + | 
|  | scaled_blk_col] = traj_id; | 
|  |  | 
|  | if (end_frame != NONE_FRAME) { | 
|  | MV end_frame_mv; | 
|  | tip_get_mv_projection(&end_frame_mv, ref_mv, | 
|  | ref_temporal_scale_factor[ref_frame]); | 
|  | cm->id_offset_map[end_frame][traj_id].as_mv = end_frame_mv; | 
|  | int end_row = 0, end_col = 0; | 
|  | int end_pos_valid; | 
|  | if (ref_mv.row == 0 && ref_mv.col == 0) { | 
|  | end_pos_valid = 1; | 
|  | end_row = scaled_blk_row; | 
|  | end_col = scaled_blk_col; | 
|  | } else { | 
|  | end_pos_valid = get_block_position_no_constraint( | 
|  | cm, &end_row, &end_col, scaled_blk_row, scaled_blk_col, | 
|  | ref_mv, 0); | 
|  | } | 
|  | end_row = | 
|  | (end_row / cm->tmvp_sample_step) * cm->tmvp_sample_step; | 
|  | end_col = | 
|  | (end_col / cm->tmvp_sample_step) * cm->tmvp_sample_step; | 
|  |  | 
|  | if (end_pos_valid) | 
|  | end_pos_valid = | 
|  | check_block_position(cm, end_row, end_col, mi_r, mi_c); | 
|  |  | 
|  | #if CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | assert(IMPLIES(end_pos_valid, | 
|  | end_col >= 0 && end_col < mvs_cols && | 
|  | end_row >= 0 && end_row < mvs_rows)); | 
|  | #endif  // CONFIG_ACROSS_SCALE_TPL_MVS | 
|  |  | 
|  | if (end_pos_valid) { | 
|  | cm->blk_id_map[0][end_frame][end_row * mvs_cols + end_col] = | 
|  | traj_id; | 
|  | } | 
|  | } | 
|  | } | 
|  | #endif  // CONFIG_MV_TRAJECTORY | 
|  |  | 
|  | if (side_idx == 1) { | 
|  | ref_mv.row = -ref_mv.row; | 
|  | ref_mv.col = -ref_mv.col; | 
|  | ref_frame_offset = ref_abs_offset[ref_frame]; | 
|  | } | 
|  |  | 
|  | if (mi_r >= res_start_row && mi_r < res_end_row && | 
|  | mi_c >= res_start_col && mi_c < res_end_col) { | 
|  | tpl_mvs_base[mi_offset].mfmv0.as_mv.row = ref_mv.row; | 
|  | tpl_mvs_base[mi_offset].mfmv0.as_mv.col = ref_mv.col; | 
|  | tpl_mvs_base[mi_offset].ref_frame_offset = ref_frame_offset; | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | return 1; | 
|  | } | 
|  | #endif  // USE_PER_BLOCK_TMVP | 
|  | #endif  // CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  | #endif  // CONFIG_TMVP_MEM_OPT | 
|  |  | 
|  | #if CONFIG_TMVP_MEM_OPT | 
|  | // Check and make sure that the MVs are stored to the correct slots. | 
|  | static INLINE void check_frame_mv_slot(const AV1_COMMON *const cm, MV_REF *mv) { | 
|  | if (mv->ref_frame[0] != NONE_FRAME && mv->ref_frame[1] == NONE_FRAME) { | 
|  | mv->ref_frame[1] = mv->ref_frame[0]; | 
|  | mv->mv[1] = mv->mv[0]; | 
|  | } else if (mv->ref_frame[0] == NONE_FRAME && mv->ref_frame[1] != NONE_FRAME) { | 
|  | mv->ref_frame[0] = mv->ref_frame[1]; | 
|  | mv->mv[0] = mv->mv[1]; | 
|  | } else if (mv->ref_frame[0] != NONE_FRAME && mv->ref_frame[1] != NONE_FRAME) { | 
|  | #if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | int ref_display_order[2] = { | 
|  | get_ref_frame_buf(cm, mv->ref_frame[0])->display_order_hint, | 
|  | get_ref_frame_buf(cm, mv->ref_frame[1])->display_order_hint | 
|  | }; | 
|  | int cur_display_order = cm->cur_frame->display_order_hint; | 
|  | #else | 
|  | int ref_display_order[2] = { | 
|  | get_ref_frame_buf(cm, mv->ref_frame[0])->order_hint, | 
|  | get_ref_frame_buf(cm, mv->ref_frame[1])->order_hint | 
|  | }; | 
|  | int cur_display_order = cm->cur_frame->order_hint; | 
|  | #endif  // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  |  | 
|  | const int diff_0_cur = | 
|  | get_relative_dist(&cm->seq_params.order_hint_info, ref_display_order[0], | 
|  | cur_display_order); | 
|  | const int diff_1_cur = | 
|  | get_relative_dist(&cm->seq_params.order_hint_info, ref_display_order[1], | 
|  | cur_display_order); | 
|  | const int diff_0_1 = | 
|  | get_relative_dist(&cm->seq_params.order_hint_info, ref_display_order[0], | 
|  | ref_display_order[1]); | 
|  |  | 
|  | bool to_switch = false; | 
|  | if (diff_0_cur < 0 && diff_1_cur < 0) { | 
|  | if (diff_0_1 < 0) { | 
|  | to_switch = true; | 
|  | } | 
|  | } else if (diff_0_cur > 0 && diff_1_cur > 0) { | 
|  | if (diff_0_1 < 0) { | 
|  | to_switch = true; | 
|  | } | 
|  | } else if (diff_0_cur > 0 && diff_1_cur < 0) { | 
|  | to_switch = true; | 
|  | } | 
|  |  | 
|  | if (to_switch) { | 
|  | int tmp_ref = mv->ref_frame[0]; | 
|  | int_mv tmp_mv = mv->mv[0]; | 
|  |  | 
|  | mv->ref_frame[0] = mv->ref_frame[1]; | 
|  | mv->mv[0] = mv->mv[1]; | 
|  |  | 
|  | mv->ref_frame[1] = tmp_ref; | 
|  | mv->mv[1] = tmp_mv; | 
|  | } | 
|  | } | 
|  | } | 
|  | #endif  // CONFIG_TMVP_MEM_OPT | 
|  |  | 
|  | #if CONFIG_CWG_E099_DRL_WRL_SIMPLIFY | 
|  | #define ADJACENT_SMVP_WEIGHT 1 | 
|  | #define OTHER_SMVP_WEIGHT 0 | 
|  | #define TMVP_WEIGHT 1 | 
|  | #define HIGH_PRIORITY_TMVP_WEIGHT 2 | 
|  | #else | 
|  | #define ADJACENT_SMVP_WEIGHT 2 | 
|  | #define OTHER_SMVP_WEIGHT 0 | 
|  | #define TMVP_WEIGHT 2 | 
|  | #define HIGH_PRIORITY_TMVP_WEIGHT 6 | 
|  | #endif  // CONFIG_CWG_E099_DRL_WRL_SIMPLIFY | 
|  |  | 
|  | #if CONFIG_IMPROVE_TMVP_LIST | 
|  | // Check if a given block uses a valid warp affine transformation | 
|  | // (either global or local) for motion compensation and set the corresponding | 
|  | // warp parameters. | 
|  | static INLINE int is_warp_affine_block(const MACROBLOCKD *xd, | 
|  | const MB_MODE_INFO *mi, int ref_idx, | 
|  | WarpedMotionParams *warp_params) { | 
|  | *warp_params = default_warp_params; | 
|  | MV_REFERENCE_FRAME ref_frame = mi->ref_frame[ref_idx]; | 
|  |  | 
|  | if (!is_inter_ref_frame(ref_frame)) return 0; | 
|  |  | 
|  | const WarpedMotionParams gm_params = xd->global_motion[ref_frame]; | 
|  | const WarpTypesAllowed warp_types = { | 
|  | is_global_mv_block(mi, gm_params.wmtype), is_warp_mode(mi->motion_mode) | 
|  | }; | 
|  |  | 
|  | if ((warp_types.local_warp_allowed && !mi->wm_params[ref_idx].invalid) || | 
|  | (warp_types.global_warp_allowed && !gm_params.invalid)) { | 
|  | *warp_params = | 
|  | warp_types.local_warp_allowed ? mi->wm_params[ref_idx] : gm_params; | 
|  | return 1; | 
|  | } | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | // Computes the 8x8 sub-block warp motion vector from the warp model. | 
|  | static INLINE MV get_sub_block_warp_mv(const WarpedMotionParams *warp_params, | 
|  | int pixel_x, int pixel_y, int bw, | 
|  | int bh) { | 
|  | const int center_x = pixel_x + (bw >> 1); | 
|  | const int center_y = pixel_y + (bh >> 1); | 
|  |  | 
|  | const int32_t submv_x_hp = get_subblk_offset_x_hp( | 
|  | warp_params->wmmat, center_x, center_y, 1 << WARPEDMODEL_PREC_BITS); | 
|  | const int32_t submv_y_hp = get_subblk_offset_y_hp( | 
|  | warp_params->wmmat, center_x, center_y, 1 << WARPEDMODEL_PREC_BITS); | 
|  |  | 
|  | MV submv; | 
|  | submv.col = ROUND_POWER_OF_TWO_SIGNED(submv_x_hp, WARPEDMODEL_PREC_BITS - 3); | 
|  | submv.row = ROUND_POWER_OF_TWO_SIGNED(submv_y_hp, WARPEDMODEL_PREC_BITS - 3); | 
|  | return submv; | 
|  | } | 
|  | #endif  // CONFIG_IMPROVE_TMVP_LIST | 
|  |  | 
|  | #if CONFIG_REFINED_MVS_IN_TMVP | 
|  | #define OPFL_MVS_CLAMPED 0 | 
|  | // Overwrite the MVs in TMVP list by optical flow refined MVs (for TIP frame | 
|  | // mode) | 
|  | void av1_copy_frame_refined_mvs_tip_frame_mode(const AV1_COMMON *const cm, | 
|  | const MACROBLOCKD *xd, | 
|  | const MB_MODE_INFO *const mi, | 
|  | int mi_row, int mi_col, | 
|  | int x_inside_boundary, | 
|  | int y_inside_boundary) { | 
|  | const int frame_mvs_stride = | 
|  | ROUND_POWER_OF_TWO(cm->mi_params.mi_cols, TMVP_SHIFT_BITS); | 
|  | const int cur_tpl_row = (mi_row >> TMVP_SHIFT_BITS); | 
|  | const int cur_tpl_col = (mi_col >> TMVP_SHIFT_BITS); | 
|  | const int offset = cur_tpl_row * frame_mvs_stride + cur_tpl_col; | 
|  | MV_REF *frame_mvs = cm->cur_frame->mvs + offset; | 
|  | x_inside_boundary = ROUND_POWER_OF_TWO(x_inside_boundary, TMVP_SHIFT_BITS); | 
|  | y_inside_boundary = ROUND_POWER_OF_TWO(y_inside_boundary, TMVP_SHIFT_BITS); | 
|  | int bw = block_size_wide[mi->sb_type[xd->tree_type == CHROMA_PART]]; | 
|  | int bh = block_size_high[mi->sb_type[xd->tree_type == CHROMA_PART]]; | 
|  | #if CONFIG_IMPROVE_REFINED_MV | 
|  | const int tip_ref_frame = is_tip_ref_frame(mi->ref_frame[0]); | 
|  | const int use_4x4 = !tip_ref_frame; | 
|  | const bool is_opfl_mode = | 
|  | is_optflow_refinement_enabled(cm, | 
|  | #if CONFIG_COMPOUND_4XN | 
|  | xd, | 
|  | #endif  // CONFIG_COMPOUND_4XN | 
|  | mi, AOM_PLANE_Y, tip_ref_frame); | 
|  | int n = opfl_get_subblock_size(bw, bh, AOM_PLANE_Y, use_4x4); | 
|  | #else | 
|  | const bool is_opfl_mode = opfl_allowed_for_cur_block(cm, | 
|  | #if CONFIG_COMPOUND_4XN | 
|  | xd, | 
|  | #endif  // CONFIG_COMPOUND_4XN | 
|  | mi); | 
|  | int n = opfl_get_subblock_size(bw, bh, AOM_PLANE_Y, 1); | 
|  | #endif  // CONFIG_IMPROVE_REFINED_MV | 
|  | #if CONFIG_AFFINE_REFINEMENT_SB | 
|  | int sb_idx = 0; | 
|  | int sub_bw = AOMMIN(AFFINE_MAX_UNIT, bw); | 
|  | int sub_bh = AOMMIN(AFFINE_MAX_UNIT, bh); | 
|  | int wms_stride = bw / sub_bw; | 
|  | #endif  // CONFIG_AFFINE_REFINEMENT_SB | 
|  |  | 
|  | // Pointers to hold optical flow MV offsets. | 
|  | int *vx0 = xd->opfl_vxy_bufs; | 
|  | int *vx1 = xd->opfl_vxy_bufs + (N_OF_OFFSETS * 1); | 
|  | int *vy0 = xd->opfl_vxy_bufs + (N_OF_OFFSETS * 2); | 
|  | int *vy1 = xd->opfl_vxy_bufs + (N_OF_OFFSETS * 3); | 
|  |  | 
|  | int apply_sub_block_refinemv = | 
|  | #if CONFIG_IMPROVE_REFINED_MV | 
|  | tip_ref_frame || | 
|  | #if CONFIG_AFFINE_REFINEMENT | 
|  | (mi->refinemv_flag && (is_damr_allowed_with_refinemv(mi->mode) || | 
|  | mi->comp_refine_type < COMP_AFFINE_REFINE_START)); | 
|  | #else | 
|  | mi->refinemv_flag; | 
|  | #endif  // CONFIG_AFFINE_REFINEMENT | 
|  | #else | 
|  | mi->refinemv_flag && | 
|  | #if CONFIG_AFFINE_REFINEMENT | 
|  | (is_damr_allowed_with_refinemv(mi->mode) || | 
|  | mi->comp_refine_type < COMP_AFFINE_REFINE_START) && | 
|  | #endif  // CONFIG_AFFINE_REFINEMENT | 
|  | !is_tip_ref_frame(mi->ref_frame[0]); | 
|  | #endif  // CONFIG_IMPROVE_REFINED_MV | 
|  |  | 
|  | for (int h = 0; h < y_inside_boundary; h++) { | 
|  | MV_REF *mv = frame_mvs; | 
|  | for (int w = 0; w < x_inside_boundary; w++) { | 
|  | #if CONFIG_AFFINE_REFINEMENT_SB | 
|  | sb_idx = ((h * 8) / sub_bh) * wms_stride + (w * 8) / sub_bw; | 
|  | #endif  // CONFIG_AFFINE_REFINEMENT_SB | 
|  | for (int idx = 0; idx < 2; ++idx) { | 
|  | MV_REFERENCE_FRAME ref_frame = mi->ref_frame[idx]; | 
|  | if (!is_inter_ref_frame(ref_frame) | 
|  | #if CONFIG_IMPROVE_REFINED_MV | 
|  | && !tip_ref_frame | 
|  | #else | 
|  | || is_tip_ref_frame(ref_frame) | 
|  | #endif  // CONFIG_IMPROVE_REFINED_MV | 
|  | ) | 
|  | continue; | 
|  |  | 
|  | int_mv refined_mv; | 
|  | #if CONFIG_AFFINE_REFINEMENT | 
|  | if (is_opfl_mode && xd->use_affine_opfl && | 
|  | mi->comp_refine_type >= COMP_AFFINE_REFINE_START | 
|  | #if CONFIG_REFINEMV | 
|  | && (is_damr_allowed_with_refinemv(mi->mode) || | 
|  | !apply_sub_block_refinemv) | 
|  | #endif  // CONFIG_REFINEMV | 
|  | ) { | 
|  | // Apply offsets based on the affine parameters | 
|  | #if CONFIG_IMPROVE_TMVP_LIST | 
|  | const int32_t src_x = mi_col * MI_SIZE + w * 8; | 
|  | const int32_t src_y = mi_row * MI_SIZE + h * 8; | 
|  | WarpedMotionParams warp_params; | 
|  | #else | 
|  | const int32_t src_x = mi_col * MI_SIZE + w * 8 + 4; | 
|  | const int32_t src_y = mi_row * MI_SIZE + h * 8 + 4; | 
|  | #endif  // CONFIG_IMPROVE_TMVP_LIST | 
|  | #if CONFIG_AFFINE_REFINEMENT_SB | 
|  | #if CONFIG_IMPROVE_TMVP_LIST | 
|  | warp_params = xd->wm_params_sb[2 * sb_idx + idx]; | 
|  | #else | 
|  | const int64_t dst_x = | 
|  | (int64_t)xd->wm_params_sb[2 * sb_idx + idx].wmmat[2] * src_x + | 
|  | (int64_t)xd->wm_params_sb[2 * sb_idx + idx].wmmat[3] * src_y + | 
|  | (int64_t)xd->wm_params_sb[2 * sb_idx + idx].wmmat[0]; | 
|  | const int64_t dst_y = | 
|  | (int64_t)xd->wm_params_sb[2 * sb_idx + idx].wmmat[4] * src_x + | 
|  | (int64_t)xd->wm_params_sb[2 * sb_idx + idx].wmmat[5] * src_y + | 
|  | (int64_t)xd->wm_params_sb[2 * sb_idx + idx].wmmat[1]; | 
|  | #endif  // CONFIG_IMPROVE_TMVP_LIST | 
|  | #else | 
|  | #if CONFIG_IMPROVE_TMVP_LIST | 
|  | warp_params = mi->wm_params[idx]; | 
|  | #else | 
|  | const int64_t dst_x = (int64_t)mi->wm_params[idx].wmmat[2] * src_x + | 
|  | (int64_t)mi->wm_params[idx].wmmat[3] * src_y + | 
|  | (int64_t)mi->wm_params[idx].wmmat[0]; | 
|  | const int64_t dst_y = (int64_t)mi->wm_params[idx].wmmat[4] * src_x + | 
|  | (int64_t)mi->wm_params[idx].wmmat[5] * src_y + | 
|  | (int64_t)mi->wm_params[idx].wmmat[1]; | 
|  | #endif  // CONFIG_IMPROVE_TMVP_LIST | 
|  | #endif  // CONFIG_AFFINE_REFINEMENT_SB | 
|  | #if CONFIG_IMPROVE_TMVP_LIST | 
|  | refined_mv.as_mv = get_sub_block_warp_mv(&warp_params, src_x, src_y, | 
|  | TMVP_MI_SIZE, TMVP_MI_SIZE); | 
|  | #else | 
|  | const int32_t submv_x_hp = (int32_t)clamp64( | 
|  | dst_x - ((int64_t)src_x << WARPEDMODEL_PREC_BITS), INT32_MIN, | 
|  | INT32_MAX); | 
|  | const int32_t submv_y_hp = (int32_t)clamp64( | 
|  | dst_y - ((int64_t)src_y << WARPEDMODEL_PREC_BITS), INT32_MIN, | 
|  | INT32_MAX); | 
|  | const int mv_offset_y = | 
|  | ROUND_POWER_OF_TWO_SIGNED(submv_y_hp, WARPEDMODEL_PREC_BITS - 3); | 
|  | const int mv_offset_x = | 
|  | ROUND_POWER_OF_TWO_SIGNED(submv_x_hp, WARPEDMODEL_PREC_BITS - 3); | 
|  | refined_mv.as_mv.row = mv_offset_y; | 
|  | refined_mv.as_mv.col = mv_offset_x; | 
|  | #endif  // CONFIG_IMPROVE_TMVP_LIST | 
|  | } else { | 
|  | #endif  // CONFIG_AFFINE_REFINEMENT | 
|  | #if CONFIG_REFINEMV | 
|  | // Refined MVs are stored per 4x4 in refinemv_subinfo, but h and | 
|  | // w for TMVP are per 8x8, so (h<<1) and (w<<1) are used here. | 
|  | if (apply_sub_block_refinemv) | 
|  | refined_mv.as_mv = | 
|  | xd->refinemv_subinfo[(h << 1) * MAX_MIB_SIZE + (w << 1)] | 
|  | .refinemv[idx] | 
|  | .as_mv; | 
|  | else | 
|  | #endif  // CONFIG_REFINEMV | 
|  | refined_mv.as_mv = mi->mv[idx].as_mv; | 
|  | #if CONFIG_AFFINE_REFINEMENT | 
|  | } | 
|  | #endif  // CONFIG_AFFINE_REFINEMENT | 
|  | if (is_opfl_mode) { | 
|  | int *vy = idx ? vy1 : vy0; | 
|  | int *vx = idx ? vx1 : vx0; | 
|  | if (n == 4) { | 
|  | // Since TMVP is stored per 8x8 unit, for refined MV with 4x4 | 
|  | // subblock, take the average of 4 refined MVs | 
|  | refined_mv.as_mv.row += ROUND_POWER_OF_TWO_SIGNED( | 
|  | vy[0] + vy[1] + vy[2] + vy[3], 2 + MV_REFINE_PREC_BITS - 3); | 
|  | refined_mv.as_mv.col += ROUND_POWER_OF_TWO_SIGNED( | 
|  | vx[0] + vx[1] + vx[2] + vx[3], 2 + MV_REFINE_PREC_BITS - 3); | 
|  | } else { | 
|  | int sbmv_stride = bw >> 3; | 
|  | refined_mv.as_mv.row += ROUND_POWER_OF_TWO_SIGNED( | 
|  | vy[h * sbmv_stride + w], MV_REFINE_PREC_BITS - 3); | 
|  | refined_mv.as_mv.col += ROUND_POWER_OF_TWO_SIGNED( | 
|  | vx[h * sbmv_stride + w], MV_REFINE_PREC_BITS - 3); | 
|  | } | 
|  | } | 
|  | #if OPFL_MVS_CLAMPED | 
|  | refined_mv.as_mv.row = | 
|  | clamp(refined_mv.as_mv.row, -REFMVS_LIMIT, REFMVS_LIMIT); | 
|  | refined_mv.as_mv.col = | 
|  | clamp(refined_mv.as_mv.col, -REFMVS_LIMIT, REFMVS_LIMIT); | 
|  | #else | 
|  | if ((abs(refined_mv.as_mv.row) > REFMVS_LIMIT) || | 
|  | (abs(refined_mv.as_mv.col) > REFMVS_LIMIT)) | 
|  | continue; | 
|  | #endif | 
|  | mv->ref_frame[idx] = | 
|  | #if CONFIG_IMPROVE_REFINED_MV | 
|  | tip_ref_frame ? cm->tip_ref.ref_frame[idx] : ref_frame; | 
|  | #else | 
|  | ref_frame; | 
|  | #endif  // CONFIG_IMPROVE_REFINED_MV | 
|  | mv->mv[idx].as_int = refined_mv.as_int; | 
|  | #if CONFIG_TMVP_MV_COMPRESSION | 
|  | process_mv_for_tmvp(&mv->mv[idx].as_mv); | 
|  | #endif  // CONFIG_TMVP_MV_COMPRESSION | 
|  | } | 
|  | #if CONFIG_TMVP_MEM_OPT | 
|  | check_frame_mv_slot(cm, mv); | 
|  | #endif  // CONFIG_TMVP_MEM_OPT | 
|  | mv++; | 
|  | } | 
|  | frame_mvs += frame_mvs_stride; | 
|  | } | 
|  | } | 
|  | #endif  // CONFIG_REFINED_MVS_IN_TMVP | 
|  |  | 
|  | // Copy the MVs into the TMVP list (for TIP frame mode) | 
|  | void av1_copy_frame_mvs_tip_frame_mode(const AV1_COMMON *const cm, | 
|  | const MACROBLOCKD *const xd, | 
|  | const MB_MODE_INFO *const mi, int mi_row, | 
|  | int mi_col, int x_inside_boundary, | 
|  | int y_inside_boundary) { | 
|  | const int frame_mvs_stride = | 
|  | ROUND_POWER_OF_TWO(cm->mi_params.mi_cols, TMVP_SHIFT_BITS); | 
|  | const int cur_tpl_row = (mi_row >> TMVP_SHIFT_BITS); | 
|  | const int cur_tpl_col = (mi_col >> TMVP_SHIFT_BITS); | 
|  | const int offset = cur_tpl_row * frame_mvs_stride + cur_tpl_col; | 
|  | MV_REF *frame_mvs = cm->cur_frame->mvs + offset; | 
|  | const TIP *tip_ref = &cm->tip_ref; | 
|  | x_inside_boundary = ROUND_POWER_OF_TWO(x_inside_boundary, TMVP_SHIFT_BITS); | 
|  | y_inside_boundary = ROUND_POWER_OF_TWO(y_inside_boundary, TMVP_SHIFT_BITS); | 
|  |  | 
|  | #if CONFIG_WEDGE_TMVP | 
|  | const uint8_t *decisions = NULL; | 
|  | const BLOCK_SIZE bsize = mi->sb_type[xd->tree_type == CHROMA_PART]; | 
|  | const int bw = block_size_wide[bsize]; | 
|  | const bool is_wedge = is_inter_ref_frame(mi->ref_frame[0]) && | 
|  | is_inter_ref_frame(mi->ref_frame[1]) && | 
|  | !is_tip_ref_frame(mi->ref_frame[0]) && | 
|  | !is_tip_ref_frame(mi->ref_frame[1]) && | 
|  | mi->interinter_comp.type == COMPOUND_WEDGE; | 
|  | if (is_wedge) { | 
|  | decisions = av1_get_contiguous_soft_mask_decision( | 
|  | mi->interinter_comp.wedge_index, mi->interinter_comp.wedge_sign, bsize); | 
|  | } | 
|  | #else | 
|  | (void)xd; | 
|  | #endif  // CONFIG_WEDGE_TMVP | 
|  | #if CONFIG_IMPROVE_TMVP_LIST | 
|  | WarpedMotionParams warp_params[2]; | 
|  | int is_warp[2] = { 0 }; | 
|  | for (int idx = 0; idx < 2; idx++) { | 
|  | is_warp[idx] = is_warp_affine_block(xd, mi, idx, &warp_params[idx]); | 
|  | } | 
|  | #endif  // CONFIG_IMPROVE_TMVP_LIST | 
|  |  | 
|  | for (int h = 0; h < y_inside_boundary; h++) { | 
|  | MV_REF *mv = frame_mvs; | 
|  | for (int w = 0; w < x_inside_boundary; w++) { | 
|  | for (int idx = 0; idx < 2; ++idx) { | 
|  | mv->ref_frame[idx] = NONE_FRAME; | 
|  | mv->mv[idx].as_int = 0; | 
|  | } | 
|  |  | 
|  | for (int idx = 0; idx < 2; ++idx) { | 
|  | MV_REFERENCE_FRAME ref_frame = mi->ref_frame[idx]; | 
|  | if (is_inter_ref_frame(ref_frame) && !is_tip_ref_frame(ref_frame)) { | 
|  | #if CONFIG_IMPROVE_TMVP_LIST | 
|  | int_mv sub_block_mv; | 
|  | if (is_warp[idx]) { | 
|  | const int32_t pixel_x = mi_col * MI_SIZE + w * TMVP_MI_SIZE; | 
|  | const int32_t pixel_y = mi_row * MI_SIZE + h * TMVP_MI_SIZE; | 
|  | sub_block_mv.as_mv = | 
|  | get_sub_block_warp_mv(&warp_params[idx], pixel_x, pixel_y, | 
|  | TMVP_MI_SIZE, TMVP_MI_SIZE); | 
|  | } else { | 
|  | #if CONFIG_WEDGE_TMVP | 
|  | if (is_wedge) { | 
|  | const int this_decision = | 
|  | decisions[h * TMVP_MI_SIZE * bw + w * TMVP_MI_SIZE]; | 
|  |  | 
|  | if (this_decision == 0 && idx == 1) continue; | 
|  | if (this_decision == 1 && idx == 0) continue; | 
|  | } | 
|  | #endif  // CONFIG_WEDGE_TMVP | 
|  | sub_block_mv.as_mv = mi->mv[idx].as_mv; | 
|  | } | 
|  | if ((abs(sub_block_mv.as_mv.row) > REFMVS_LIMIT) || | 
|  | (abs(sub_block_mv.as_mv.col) > REFMVS_LIMIT)) | 
|  | continue; | 
|  | #else | 
|  | if ((abs(mi->mv[idx].as_mv.row) > REFMVS_LIMIT) || | 
|  | (abs(mi->mv[idx].as_mv.col) > REFMVS_LIMIT)) | 
|  | continue; | 
|  |  | 
|  | #if CONFIG_WEDGE_TMVP | 
|  | if (is_wedge) { | 
|  | const int this_decision = | 
|  | decisions[h * TMVP_MI_SIZE * bw + w * TMVP_MI_SIZE]; | 
|  |  | 
|  | if (this_decision == 0 && idx == 1) continue; | 
|  | if (this_decision == 1 && idx == 0) continue; | 
|  | } | 
|  | #endif  // CONFIG_WEDGE_TMVP | 
|  | #endif  // CONFIG_IMPROVE_TMVP_LIST | 
|  | mv->ref_frame[idx] = ref_frame; | 
|  | #if CONFIG_IMPROVE_TMVP_LIST | 
|  | mv->mv[idx].as_int = sub_block_mv.as_int; | 
|  | #else | 
|  | mv->mv[idx].as_int = mi->mv[idx].as_int; | 
|  | #endif  // CONFIG_IMPROVE_TMVP_LIST | 
|  | #if CONFIG_TMVP_MV_COMPRESSION | 
|  | process_mv_for_tmvp(&mv->mv[idx].as_mv); | 
|  | #endif  // CONFIG_TMVP_MV_COMPRESSION | 
|  | } else if (is_tip_ref_frame(ref_frame)) { | 
|  | int_mv this_mv[2] = { { 0 } }; | 
|  | const MV *blk_mv = &mi->mv[idx].as_mv; | 
|  | get_tip_mv(cm, blk_mv, cur_tpl_col + w, cur_tpl_row + h, this_mv); | 
|  | #if CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | clamp_mv_ref(&this_mv[0].as_mv, xd->width << MI_SIZE_LOG2, | 
|  | xd->height << MI_SIZE_LOG2, xd); | 
|  | clamp_mv_ref(&this_mv[1].as_mv, xd->width << MI_SIZE_LOG2, | 
|  | xd->height << MI_SIZE_LOG2, xd); | 
|  | #endif  // CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | if ((abs(this_mv[0].as_mv.row) <= REFMVS_LIMIT) && | 
|  | (abs(this_mv[0].as_mv.col) <= REFMVS_LIMIT)) { | 
|  | mv->ref_frame[0] = tip_ref->ref_frame[0]; | 
|  | mv->mv[0].as_int = this_mv[0].as_int; | 
|  | #if CONFIG_TMVP_MV_COMPRESSION | 
|  | process_mv_for_tmvp(&mv->mv[0].as_mv); | 
|  | #endif  // CONFIG_TMVP_MV_COMPRESSION | 
|  | } | 
|  |  | 
|  | if ((abs(this_mv[1].as_mv.row) <= REFMVS_LIMIT) && | 
|  | (abs(this_mv[1].as_mv.col) <= REFMVS_LIMIT)) { | 
|  | mv->ref_frame[1] = tip_ref->ref_frame[1]; | 
|  | mv->mv[1].as_int = this_mv[1].as_int; | 
|  | #if CONFIG_TMVP_MV_COMPRESSION | 
|  | process_mv_for_tmvp(&mv->mv[1].as_mv); | 
|  | #endif  // CONFIG_TMVP_MV_COMPRESSION | 
|  | } | 
|  | break; | 
|  | } | 
|  | } | 
|  | #if CONFIG_TMVP_MEM_OPT | 
|  | check_frame_mv_slot(cm, mv); | 
|  | #endif  // CONFIG_TMVP_MEM_OPT | 
|  | mv++; | 
|  | } | 
|  | frame_mvs += frame_mvs_stride; | 
|  | } | 
|  | } | 
|  |  | 
|  | #if CONFIG_REFINED_MVS_IN_TMVP | 
|  | // Overwrite the MVs in TMVP list by optical flow refined MVs | 
|  | void av1_copy_frame_refined_mvs(const AV1_COMMON *const cm, | 
|  | const MACROBLOCKD *xd, | 
|  | const MB_MODE_INFO *const mi, int mi_row, | 
|  | int mi_col, int x_inside_boundary, | 
|  | int y_inside_boundary) { | 
|  | if (cm->seq_params.enable_tip && cm->features.tip_frame_mode) { | 
|  | av1_copy_frame_refined_mvs_tip_frame_mode( | 
|  | cm, xd, mi, mi_row, mi_col, x_inside_boundary, y_inside_boundary); | 
|  | return; | 
|  | } | 
|  |  | 
|  | const int frame_mvs_stride = ROUND_POWER_OF_TWO(cm->mi_params.mi_cols, 1); | 
|  | MV_REF *frame_mvs = | 
|  | cm->cur_frame->mvs + (mi_row >> 1) * frame_mvs_stride + (mi_col >> 1); | 
|  | x_inside_boundary = ROUND_POWER_OF_TWO(x_inside_boundary, 1); | 
|  | y_inside_boundary = ROUND_POWER_OF_TWO(y_inside_boundary, 1); | 
|  | int bw = block_size_wide[mi->sb_type[xd->tree_type == CHROMA_PART]]; | 
|  | int bh = block_size_high[mi->sb_type[xd->tree_type == CHROMA_PART]]; | 
|  | const bool is_opfl_mode = opfl_allowed_for_cur_block(cm, | 
|  | #if CONFIG_COMPOUND_4XN | 
|  | xd, | 
|  | #endif  // CONFIG_COMPOUND_4XN | 
|  |  | 
|  | mi); | 
|  | int n = opfl_get_subblock_size(bw, bh, AOM_PLANE_Y, 1); | 
|  | int w, h; | 
|  | #if CONFIG_AFFINE_REFINEMENT_SB | 
|  | int sb_idx = 0; | 
|  | int sub_bw = AOMMIN(AFFINE_MAX_UNIT, bw); | 
|  | int sub_bh = AOMMIN(AFFINE_MAX_UNIT, bh); | 
|  | int wms_stride = bw / sub_bw; | 
|  | #endif  // CONFIG_AFFINE_REFINEMENT_SB | 
|  |  | 
|  | // Pointers to hold optical flow MV offsets. | 
|  | int *vx0 = xd->opfl_vxy_bufs; | 
|  | int *vx1 = xd->opfl_vxy_bufs + (N_OF_OFFSETS * 1); | 
|  | int *vy0 = xd->opfl_vxy_bufs + (N_OF_OFFSETS * 2); | 
|  | int *vy1 = xd->opfl_vxy_bufs + (N_OF_OFFSETS * 3); | 
|  |  | 
|  | int apply_sub_block_refinemv = | 
|  | mi->refinemv_flag && | 
|  | #if CONFIG_AFFINE_REFINEMENT | 
|  | (is_damr_allowed_with_refinemv(mi->mode) || | 
|  | mi->comp_refine_type < COMP_AFFINE_REFINE_START) && | 
|  | #endif  // CONFIG_AFFINE_REFINEMENT | 
|  | !is_tip_ref_frame(mi->ref_frame[0]); | 
|  |  | 
|  | for (h = 0; h < y_inside_boundary; h++) { | 
|  | MV_REF *mv = frame_mvs; | 
|  | for (w = 0; w < x_inside_boundary; w++) { | 
|  | #if CONFIG_AFFINE_REFINEMENT_SB | 
|  | sb_idx = ((h * 8) / sub_bh) * wms_stride + (w * 8) / sub_bw; | 
|  | #endif  // CONFIG_AFFINE_REFINEMENT_SB | 
|  | for (int idx = 0; idx < 2; ++idx) { | 
|  | MV_REFERENCE_FRAME ref_frame = mi->ref_frame[idx]; | 
|  | if (is_inter_ref_frame(ref_frame)) { | 
|  | #if !CONFIG_IMPROVE_TMVP_LIST | 
|  | int8_t ref_idx = cm->ref_frame_side[ref_frame]; | 
|  | if (ref_idx) continue; | 
|  | #endif  // !CONFIG_IMPROVE_TMVP_LIST | 
|  | int_mv refined_mv; | 
|  | #if CONFIG_AFFINE_REFINEMENT | 
|  | if (is_opfl_mode && xd->use_affine_opfl && | 
|  | mi->comp_refine_type >= COMP_AFFINE_REFINE_START | 
|  | #if CONFIG_REFINEMV | 
|  | && (is_damr_allowed_with_refinemv(mi->mode) || | 
|  | !apply_sub_block_refinemv) | 
|  | #endif  // CONFIG_REFINEMV | 
|  | ) { | 
|  | // Apply offsets based on the affine parameters | 
|  | #if CONFIG_IMPROVE_TMVP_LIST | 
|  | const int32_t src_x = mi_col * MI_SIZE + w * 8; | 
|  | const int32_t src_y = mi_row * MI_SIZE + h * 8; | 
|  | WarpedMotionParams warp_params; | 
|  | #else | 
|  | const int32_t src_x = mi_col * MI_SIZE + w * 8 + 4; | 
|  | const int32_t src_y = mi_row * MI_SIZE + h * 8 + 4; | 
|  | #endif  // CONFIG_IMPROVE_TMVP_LIST | 
|  | #if CONFIG_AFFINE_REFINEMENT_SB | 
|  | #if CONFIG_IMPROVE_TMVP_LIST | 
|  | warp_params = xd->wm_params_sb[2 * sb_idx + idx]; | 
|  | #else | 
|  | const int64_t dst_x = | 
|  | (int64_t)xd->wm_params_sb[2 * sb_idx + idx].wmmat[2] * src_x + | 
|  | (int64_t)xd->wm_params_sb[2 * sb_idx + idx].wmmat[3] * src_y + | 
|  | (int64_t)xd->wm_params_sb[2 * sb_idx + idx].wmmat[0]; | 
|  | const int64_t dst_y = | 
|  | (int64_t)xd->wm_params_sb[2 * sb_idx + idx].wmmat[4] * src_x + | 
|  | (int64_t)xd->wm_params_sb[2 * sb_idx + idx].wmmat[5] * src_y + | 
|  | (int64_t)xd->wm_params_sb[2 * sb_idx + idx].wmmat[1]; | 
|  | #endif  // CONFIG_IMPROVE_TMVP_LIST | 
|  | #else | 
|  | #if CONFIG_IMPROVE_TMVP_LIST | 
|  | warp_params = mi->wm_params[idx]; | 
|  | #else | 
|  | const int64_t dst_x = (int64_t)mi->wm_params[idx].wmmat[2] * src_x + | 
|  | (int64_t)mi->wm_params[idx].wmmat[3] * src_y + | 
|  | (int64_t)mi->wm_params[idx].wmmat[0]; | 
|  | const int64_t dst_y = (int64_t)mi->wm_params[idx].wmmat[4] * src_x + | 
|  | (int64_t)mi->wm_params[idx].wmmat[5] * src_y + | 
|  | (int64_t)mi->wm_params[idx].wmmat[1]; | 
|  | #endif  // CONFIG_IMPROVE_TMVP_LIST | 
|  | #endif  // CONFIG_AFFINE_REFINEMENT_SB | 
|  | #if CONFIG_IMPROVE_TMVP_LIST | 
|  | refined_mv.as_mv = get_sub_block_warp_mv( | 
|  | &warp_params, src_x, src_y, TMVP_MI_SIZE, TMVP_MI_SIZE); | 
|  | #else | 
|  | const int32_t submv_x_hp = (int32_t)clamp64( | 
|  | dst_x - (src_x << WARPEDMODEL_PREC_BITS), INT32_MIN, INT32_MAX); | 
|  | const int32_t submv_y_hp = (int32_t)clamp64( | 
|  | dst_y - (src_y << WARPEDMODEL_PREC_BITS), INT32_MIN, INT32_MAX); | 
|  | const int mv_offset_y = ROUND_POWER_OF_TWO_SIGNED( | 
|  | submv_y_hp, WARPEDMODEL_PREC_BITS - 3); | 
|  | const int mv_offset_x = ROUND_POWER_OF_TWO_SIGNED( | 
|  | submv_x_hp, WARPEDMODEL_PREC_BITS - 3); | 
|  | refined_mv.as_mv.row = mv_offset_y; | 
|  | refined_mv.as_mv.col = mv_offset_x; | 
|  | #endif  // CONFIG_IMPROVE_TMVP_LIST | 
|  | } else { | 
|  | #endif  // CONFIG_AFFINE_REFINEMENT | 
|  | #if CONFIG_REFINEMV | 
|  | // Refined MVs are stored per 4x4 in refinemv_subinfo, but h and | 
|  | // w for TMVP are per 8x8, so (h<<1) and (w<<1) are used here. | 
|  | if (apply_sub_block_refinemv) | 
|  | refined_mv.as_mv = | 
|  | xd->refinemv_subinfo[(h << 1) * MAX_MIB_SIZE + (w << 1)] | 
|  | .refinemv[idx] | 
|  | .as_mv; | 
|  | else | 
|  | #endif  // CONFIG_REFINEMV | 
|  | refined_mv.as_mv = mi->mv[idx].as_mv; | 
|  | #if CONFIG_AFFINE_REFINEMENT | 
|  | } | 
|  | #endif  // CONFIG_AFFINE_REFINEMENT | 
|  | if (is_opfl_mode) { | 
|  | int *vy = idx ? vy1 : vy0; | 
|  | int *vx = idx ? vx1 : vx0; | 
|  | if (n == 4) { | 
|  | // Since TMVP is stored per 8x8 unit, for refined MV with 4x4 | 
|  | // subblock, take the average of 4 refined MVs | 
|  | refined_mv.as_mv.row += ROUND_POWER_OF_TWO_SIGNED( | 
|  | vy[0] + vy[1] + vy[2] + vy[3], 2 + MV_REFINE_PREC_BITS - 3); | 
|  | refined_mv.as_mv.col += ROUND_POWER_OF_TWO_SIGNED( | 
|  | vx[0] + vx[1] + vx[2] + vx[3], 2 + MV_REFINE_PREC_BITS - 3); | 
|  | } else { | 
|  | int sbmv_stride = bw >> 3; | 
|  | refined_mv.as_mv.row += ROUND_POWER_OF_TWO_SIGNED( | 
|  | vy[h * sbmv_stride + w], MV_REFINE_PREC_BITS - 3); | 
|  | refined_mv.as_mv.col += ROUND_POWER_OF_TWO_SIGNED( | 
|  | vx[h * sbmv_stride + w], MV_REFINE_PREC_BITS - 3); | 
|  | } | 
|  | } | 
|  | #if OPFL_MVS_CLAMPED | 
|  | refined_mv.as_mv.row = | 
|  | clamp(refined_mv.as_mv.row, -REFMVS_LIMIT, REFMVS_LIMIT); | 
|  | refined_mv.as_mv.col = | 
|  | clamp(refined_mv.as_mv.col, -REFMVS_LIMIT, REFMVS_LIMIT); | 
|  | #else | 
|  | if ((abs(refined_mv.as_mv.row) > REFMVS_LIMIT) || | 
|  | (abs(refined_mv.as_mv.col) > REFMVS_LIMIT)) | 
|  | continue; | 
|  | #endif | 
|  | mv->ref_frame[idx] = ref_frame; | 
|  | mv->mv[idx].as_int = refined_mv.as_int; | 
|  | #if CONFIG_TMVP_MV_COMPRESSION | 
|  | process_mv_for_tmvp(&mv->mv[idx].as_mv); | 
|  | #endif  // CONFIG_TMVP_MV_COMPRESSION | 
|  | } | 
|  | } | 
|  | #if CONFIG_TMVP_MEM_OPT | 
|  | check_frame_mv_slot(cm, mv); | 
|  | #endif  // CONFIG_TMVP_MEM_OPT | 
|  | mv++; | 
|  | } | 
|  | frame_mvs += frame_mvs_stride; | 
|  | } | 
|  | } | 
|  | #endif  // CONFIG_REFINED_MVS_IN_TMVP | 
|  |  | 
|  | #if CONFIG_BRU | 
|  | // Copy mvs from bru ref frame to cur frame | 
|  | // Used for keeping the old ref frame mvs in the cur frame | 
|  | void bru_copy_sb_mvs(const AV1_COMMON *const cm, int src_ref_idx, | 
|  | int dst_ref_idx, int mi_row, int mi_col, | 
|  | int x_inside_boundary, int y_inside_boundary) { | 
|  | // if src_ref_idx or dst_ref_idx < 0 (prefer -1), means cm->cur_frame | 
|  | if (src_ref_idx == dst_ref_idx) return; | 
|  | const int frame_mvs_stride = ROUND_POWER_OF_TWO(cm->mi_params.mi_cols, 1); | 
|  | MV_REF *src_frame_mvs = | 
|  | ((src_ref_idx < 0) ? cm->cur_frame->mvs | 
|  | : get_ref_frame_buf(cm, src_ref_idx)->mvs) + | 
|  | +(mi_row >> 1) * frame_mvs_stride + (mi_col >> 1); | 
|  | MV_REF *dst_frame_mvs = | 
|  | ((dst_ref_idx < 0) ? cm->cur_frame->mvs | 
|  | : get_ref_frame_buf(cm, dst_ref_idx)->mvs) + | 
|  | +(mi_row >> 1) * frame_mvs_stride + (mi_col >> 1); | 
|  | x_inside_boundary = ROUND_POWER_OF_TWO(x_inside_boundary, 1); | 
|  | y_inside_boundary = ROUND_POWER_OF_TWO(y_inside_boundary, 1); | 
|  | int w, h; | 
|  | for (h = 0; h < y_inside_boundary; h++) { | 
|  | // get mvs stored in bru ref frame | 
|  | MV_REF *src_ref = src_frame_mvs; | 
|  | MV_REF *dst_ref = dst_frame_mvs; | 
|  | for (w = 0; w < x_inside_boundary; w++) { | 
|  | dst_ref->ref_frame[0] = NONE_FRAME; | 
|  | dst_ref->ref_frame[1] = NONE_FRAME; | 
|  | dst_ref->mv[0].as_int = 0; | 
|  | dst_ref->mv[1].as_int = 0; | 
|  | #if CONFIG_MVP_IMPROVEMENT | 
|  | if (is_inter_ref_frame(src_ref->ref_frame[0]) && | 
|  | src_ref->ref_frame[1] == NONE_FRAME) { | 
|  | if ((abs(src_ref->mv[0].as_mv.row) <= REFMVS_LIMIT) && | 
|  | (abs(src_ref->mv[0].as_mv.col) <= REFMVS_LIMIT)) { | 
|  | dst_ref->ref_frame[0] = src_ref->ref_frame[0]; | 
|  | dst_ref->mv[0].as_int = src_ref->mv[0].as_int; | 
|  | } | 
|  | } else { | 
|  | #endif  // CONFIG_MVP_IMPROVEMENT | 
|  | for (int idx = 0; idx < 2; ++idx) { | 
|  | if (is_inter_ref_frame(src_ref->ref_frame[idx])) { | 
|  | int_mv src_ref_mv = src_ref->mv[idx]; | 
|  | if ((abs(src_ref_mv.as_mv.row) > REFMVS_LIMIT) || | 
|  | (abs(src_ref_mv.as_mv.col) > REFMVS_LIMIT)) { | 
|  | continue; | 
|  | } else { | 
|  | // TODO: careful, may need to map this to cur ref | 
|  | dst_ref->ref_frame[idx] = src_ref->ref_frame[idx]; | 
|  | dst_ref->mv[idx] = src_ref_mv; | 
|  | } | 
|  | } | 
|  | } | 
|  | #if CONFIG_MVP_IMPROVEMENT | 
|  | } | 
|  | #endif  // CONFIG_MVP_IMPROVEMENT | 
|  | #if CONFIG_TMVP_MEM_OPT | 
|  | check_frame_mv_slot(cm, dst_ref); | 
|  | #endif  // CONFIG_TMVP_MEM_OPT | 
|  | dst_ref++; | 
|  | src_ref++; | 
|  | } | 
|  | dst_frame_mvs += frame_mvs_stride; | 
|  | src_frame_mvs += frame_mvs_stride; | 
|  | } | 
|  | } | 
|  |  | 
|  | void bru_zero_sb_mvs(const AV1_COMMON *const cm, int dst_ref_idx, int mi_row, | 
|  | int mi_col, int x_inside_boundary, int y_inside_boundary) { | 
|  | const int frame_mvs_stride = ROUND_POWER_OF_TWO(cm->mi_params.mi_cols, 1); | 
|  | MV_REF *dst_frame_mvs = | 
|  | ((dst_ref_idx < 0) ? cm->cur_frame->mvs | 
|  | : get_ref_frame_buf(cm, dst_ref_idx)->mvs) + | 
|  | +(mi_row >> 1) * frame_mvs_stride + (mi_col >> 1); | 
|  | x_inside_boundary = ROUND_POWER_OF_TWO(x_inside_boundary, 1); | 
|  | y_inside_boundary = ROUND_POWER_OF_TWO(y_inside_boundary, 1); | 
|  | int w, h; | 
|  |  | 
|  | for (h = 0; h < y_inside_boundary; h++) { | 
|  | // get mvs stored in bru ref frame | 
|  | // MV_REF *bru_ref = frame_mvs; | 
|  | MV_REF *dst_ref = dst_frame_mvs; | 
|  | // MV_REFERENCE_FRAME ref_frame[2]; | 
|  | for (w = 0; w < x_inside_boundary; w++) { | 
|  | dst_ref->ref_frame[0] = cm->bru.update_ref_idx; | 
|  | dst_ref->ref_frame[1] = NONE_FRAME; | 
|  | dst_ref->mv[0].as_int = 0; | 
|  | dst_ref->mv[1].as_int = 0; | 
|  | #if CONFIG_TMVP_MEM_OPT | 
|  | check_frame_mv_slot(cm, dst_ref); | 
|  | #endif  // CONFIG_TMVP_MEM_OPT | 
|  | dst_ref++; | 
|  | } | 
|  | dst_frame_mvs += frame_mvs_stride; | 
|  | } | 
|  | } | 
|  | #endif  // CONFIG_BRU | 
|  |  | 
|  | // Copy the MVs into the TMVP list | 
|  | void av1_copy_frame_mvs(const AV1_COMMON *const cm, const MACROBLOCKD *const xd, | 
|  | const MB_MODE_INFO *const mi, int mi_row, int mi_col, | 
|  | int x_inside_boundary, int y_inside_boundary) { | 
|  | if (cm->seq_params.enable_tip && cm->features.tip_frame_mode) { | 
|  | av1_copy_frame_mvs_tip_frame_mode(cm, xd, mi, mi_row, mi_col, | 
|  | x_inside_boundary, y_inside_boundary); | 
|  | return; | 
|  | } | 
|  |  | 
|  | const int frame_mvs_stride = ROUND_POWER_OF_TWO(cm->mi_params.mi_cols, 1); | 
|  | MV_REF *frame_mvs = | 
|  | cm->cur_frame->mvs + (mi_row >> 1) * frame_mvs_stride + (mi_col >> 1); | 
|  | x_inside_boundary = ROUND_POWER_OF_TWO(x_inside_boundary, 1); | 
|  | y_inside_boundary = ROUND_POWER_OF_TWO(y_inside_boundary, 1); | 
|  | int w, h; | 
|  |  | 
|  | #if CONFIG_WEDGE_TMVP | 
|  | const uint8_t *decisions = NULL; | 
|  | const BLOCK_SIZE bsize = mi->sb_type[xd->tree_type == CHROMA_PART]; | 
|  | const int bw = block_size_wide[bsize]; | 
|  | const bool is_wedge = is_inter_ref_frame(mi->ref_frame[0]) && | 
|  | is_inter_ref_frame(mi->ref_frame[1]) && | 
|  | !is_tip_ref_frame(mi->ref_frame[0]) && | 
|  | !is_tip_ref_frame(mi->ref_frame[1]) && | 
|  | mi->interinter_comp.type == COMPOUND_WEDGE; | 
|  | if (is_wedge) { | 
|  | decisions = av1_get_contiguous_soft_mask_decision( | 
|  | mi->interinter_comp.wedge_index, mi->interinter_comp.wedge_sign, bsize); | 
|  | } | 
|  | #endif  // CONFIG_WEDGE_TMVP | 
|  | #if CONFIG_IMPROVE_TMVP_LIST | 
|  | WarpedMotionParams warp_params[2]; | 
|  | int is_warp[2] = { 0 }; | 
|  | for (int idx = 0; idx < 2; idx++) { | 
|  | is_warp[idx] = is_warp_affine_block(xd, mi, idx, &warp_params[idx]); | 
|  | } | 
|  | #endif  // CONFIG_IMPROVE_TMVP_LIST | 
|  |  | 
|  | for (h = 0; h < y_inside_boundary; h++) { | 
|  | MV_REF *mv = frame_mvs; | 
|  | for (w = 0; w < x_inside_boundary; w++) { | 
|  | mv->ref_frame[0] = NONE_FRAME; | 
|  | mv->ref_frame[1] = NONE_FRAME; | 
|  | mv->mv[0].as_int = 0; | 
|  | mv->mv[1].as_int = 0; | 
|  |  | 
|  | #if CONFIG_MVP_IMPROVEMENT | 
|  | if (is_inter_ref_frame(mi->ref_frame[0]) && | 
|  | mi->ref_frame[1] == NONE_FRAME) { | 
|  | #if CONFIG_IMPROVE_TMVP_LIST | 
|  | int_mv sub_block_mv; | 
|  | if (is_warp[0]) { | 
|  | const int32_t pixel_x = mi_col * MI_SIZE + w * TMVP_MI_SIZE; | 
|  | const int32_t pixel_y = mi_row * MI_SIZE + h * TMVP_MI_SIZE; | 
|  | sub_block_mv.as_mv = get_sub_block_warp_mv( | 
|  | &warp_params[0], pixel_x, pixel_y, TMVP_MI_SIZE, TMVP_MI_SIZE); | 
|  | } else { | 
|  | sub_block_mv.as_mv = mi->mv[0].as_mv; | 
|  | } | 
|  |  | 
|  | if ((abs(sub_block_mv.as_mv.row) <= REFMVS_LIMIT) && | 
|  | (abs(sub_block_mv.as_mv.col) <= REFMVS_LIMIT)) { | 
|  | mv->ref_frame[0] = mi->ref_frame[0]; | 
|  | mv->mv[0].as_mv = sub_block_mv.as_mv; | 
|  | #if CONFIG_TMVP_MV_COMPRESSION | 
|  | process_mv_for_tmvp(&mv->mv[0].as_mv); | 
|  | #endif  // CONFIG_TMVP_MV_COMPRESSION | 
|  | } | 
|  | #else | 
|  | if ((abs(mi->mv[0].as_mv.row) <= REFMVS_LIMIT) && | 
|  | (abs(mi->mv[0].as_mv.col) <= REFMVS_LIMIT)) { | 
|  | mv->ref_frame[0] = mi->ref_frame[0]; | 
|  | mv->mv[0].as_int = mi->mv[0].as_int; | 
|  | #if CONFIG_TMVP_MV_COMPRESSION | 
|  | process_mv_for_tmvp(&mv->mv[0].as_mv); | 
|  | #endif  // CONFIG_TMVP_MV_COMPRESSION | 
|  | } | 
|  | #endif  // CONFIG_IMPROVE_TMVP_LIST | 
|  | } else { | 
|  | #endif  // CONFIG_MVP_IMPROVEMENT | 
|  | for (int idx = 0; idx < 2; ++idx) { | 
|  | MV_REFERENCE_FRAME ref_frame = mi->ref_frame[idx]; | 
|  | if (is_inter_ref_frame(ref_frame)) { | 
|  | #if CONFIG_IMPROVE_TMVP_LIST | 
|  | int_mv sub_block_mv; | 
|  | if (is_warp[idx]) { | 
|  | const int32_t pixel_x = mi_col * MI_SIZE + w * TMVP_MI_SIZE; | 
|  | const int32_t pixel_y = mi_row * MI_SIZE + h * TMVP_MI_SIZE; | 
|  | sub_block_mv.as_mv = | 
|  | get_sub_block_warp_mv(&warp_params[idx], pixel_x, pixel_y, | 
|  | TMVP_MI_SIZE, TMVP_MI_SIZE); | 
|  | } else { | 
|  | #if CONFIG_WEDGE_TMVP | 
|  | if (is_wedge) { | 
|  | const int this_decision = | 
|  | decisions[h * TMVP_MI_SIZE * bw + w * TMVP_MI_SIZE]; | 
|  |  | 
|  | if (this_decision == 0 && idx == 1) continue; | 
|  | if (this_decision == 1 && idx == 0) continue; | 
|  | } | 
|  | #endif  // CONFIG_WEDGE_TMVP | 
|  | sub_block_mv.as_mv = mi->mv[idx].as_mv; | 
|  | } | 
|  | if ((abs(sub_block_mv.as_mv.row) > REFMVS_LIMIT) || | 
|  | (abs(sub_block_mv.as_mv.col) > REFMVS_LIMIT)) | 
|  | continue; | 
|  |  | 
|  | mv->ref_frame[idx] = ref_frame; | 
|  | mv->mv[idx].as_int = sub_block_mv.as_int; | 
|  | #if CONFIG_TMVP_MV_COMPRESSION | 
|  | process_mv_for_tmvp(&mv->mv[idx].as_mv); | 
|  | #endif  // CONFIG_TMVP_MV_COMPRESSION | 
|  | #else | 
|  | int8_t ref_idx = cm->ref_frame_side[ref_frame]; | 
|  | if (ref_idx) continue; | 
|  | if ((abs(mi->mv[idx].as_mv.row) > REFMVS_LIMIT) || | 
|  | (abs(mi->mv[idx].as_mv.col) > REFMVS_LIMIT)) | 
|  | continue; | 
|  | #if CONFIG_WEDGE_TMVP | 
|  | if (is_wedge) { | 
|  | const int this_decision = | 
|  | decisions[h * TMVP_MI_SIZE * bw + w * TMVP_MI_SIZE]; | 
|  |  | 
|  | if (this_decision == 0 && idx == 1) continue; | 
|  | if (this_decision == 1 && idx == 0) continue; | 
|  | } | 
|  | #endif  // CONFIG_WEDGE_TMVP | 
|  | mv->ref_frame[0] = ref_frame; | 
|  | mv->mv[0].as_int = mi->mv[idx].as_int; | 
|  | #if CONFIG_TMVP_MV_COMPRESSION | 
|  | process_mv_for_tmvp(&mv->mv[0].as_mv); | 
|  | #endif  // CONFIG_TMVP_MV_COMPRESSION | 
|  | #endif  // CONFIG_IMPROVE_TMVP_LIST | 
|  | } | 
|  | } | 
|  | #if CONFIG_MVP_IMPROVEMENT | 
|  | } | 
|  | #endif  // CONFIG_MVP_IMPROVEMENT | 
|  | #if CONFIG_TMVP_MEM_OPT | 
|  | check_frame_mv_slot(cm, mv); | 
|  | #endif  // CONFIG_TMVP_MEM_OPT | 
|  | mv++; | 
|  | } | 
|  | frame_mvs += frame_mvs_stride; | 
|  | } | 
|  | } | 
|  |  | 
|  | #if CONFIG_MVP_IMPROVEMENT | 
|  | // Fetch MVP candidates from derived SMVP into MVP candidate list | 
|  | // when there is no enough MVP candidates. | 
|  | static AOM_INLINE void fill_mvp_from_derived_smvp( | 
|  | const MV_REFERENCE_FRAME rf[2], CANDIDATE_MV *ref_mv_stack, | 
|  | uint16_t *ref_mv_weight, uint8_t *refmv_count, | 
|  | CANDIDATE_MV *derived_mv_stack, uint8_t derived_mv_count, | 
|  | #if CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | const MB_MODE_INFO *mbmi, MV_REFERENCE_FRAME *ref_frame_idx0, | 
|  | MV_REFERENCE_FRAME *ref_frame_idx1, | 
|  | #endif  // CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | const int max_ref_mv_count) { | 
|  | int index = 0; | 
|  | int derived_idx = 0; | 
|  |  | 
|  | #if CONFIG_D072_SKIP_MODE_IMPROVE | 
|  | if (mbmi->skip_mode) return; | 
|  | #endif  // CONFIG_D072_SKIP_MODE_IMPROVE | 
|  |  | 
|  | if (rf[1] == NONE_FRAME) { | 
|  | #if CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | assert(!mbmi->skip_mode); | 
|  | #endif  // CONFIG_SKIP_MODE_ENHANCEMENT | 
|  |  | 
|  | for (derived_idx = 0; derived_idx < derived_mv_count; ++derived_idx) { | 
|  | for (index = 0; index < *refmv_count; ++index) { | 
|  | if (ref_mv_stack[index].this_mv.as_int == | 
|  | derived_mv_stack[derived_idx].this_mv.as_int) { | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | // Add a new item to the list. | 
|  | if (index == *refmv_count && *refmv_count < max_ref_mv_count) { | 
|  | ref_mv_stack[index].this_mv = derived_mv_stack[derived_idx].this_mv; | 
|  | ref_mv_stack[index].row_offset = OFFSET_NONSPATIAL; | 
|  | ref_mv_stack[index].col_offset = OFFSET_NONSPATIAL; | 
|  | ref_mv_stack[index].cwp_idx = derived_mv_stack[derived_idx].cwp_idx; | 
|  | ref_mv_weight[index] = REF_CAT_LEVEL; | 
|  | ++(*refmv_count); | 
|  | } | 
|  | } | 
|  | } else { | 
|  | for (derived_idx = 0; derived_idx < derived_mv_count; ++derived_idx) { | 
|  | for (index = 0; index < *refmv_count; ++index) { | 
|  | if ((ref_mv_stack[index].this_mv.as_int == | 
|  | derived_mv_stack[derived_idx].this_mv.as_int) && | 
|  | (ref_mv_stack[index].comp_mv.as_int == | 
|  | derived_mv_stack[derived_idx].comp_mv.as_int)) { | 
|  | #if CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | if (!mbmi->skip_mode || (ref_frame_idx0[index] == rf[0] && | 
|  | ref_frame_idx1[index] == rf[1])) | 
|  | #endif  // CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | // Add a new item to the list. | 
|  | if (index == *refmv_count && *refmv_count < max_ref_mv_count) { | 
|  | ref_mv_stack[index].this_mv = derived_mv_stack[derived_idx].this_mv; | 
|  | ref_mv_stack[index].comp_mv = derived_mv_stack[derived_idx].comp_mv; | 
|  | ref_mv_stack[index].row_offset = OFFSET_NONSPATIAL; | 
|  | ref_mv_stack[index].col_offset = OFFSET_NONSPATIAL; | 
|  | ref_mv_stack[index].cwp_idx = derived_mv_stack[derived_idx].cwp_idx; | 
|  | #if CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | if (mbmi->skip_mode) { | 
|  | ref_frame_idx0[index] = rf[0]; | 
|  | ref_frame_idx1[index] = rf[1]; | 
|  | } | 
|  | #endif  // CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | ref_mv_weight[index] = REF_CAT_LEVEL; | 
|  | ++(*refmv_count); | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | #endif  // CONFIG_MVP_IMPROVEMENT | 
|  |  | 
|  | static AOM_INLINE void derive_ref_mv_candidate_from_tip_mode( | 
|  | const AV1_COMMON *cm, | 
|  | #if CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | const MACROBLOCKD *xd, | 
|  | #endif  // CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | int mi_row, int mi_col, int mi_row_cand, int mi_col_cand, | 
|  | const MB_MODE_INFO *const candidate, uint8_t *refmv_count, | 
|  | uint8_t *ref_match_count, uint8_t *newmv_count, CANDIDATE_MV *ref_mv_stack, | 
|  | uint16_t *ref_mv_weight, uint16_t weight) { | 
|  | int index = 0; | 
|  |  | 
|  | const int cand_tpl_row = (mi_row_cand >> TMVP_SHIFT_BITS); | 
|  | const int cand_tpl_col = (mi_col_cand >> TMVP_SHIFT_BITS); | 
|  | #if CONFIG_C071_SUBBLK_WARPMV | 
|  | int_mv cand_mv = candidate->mv[0]; | 
|  | #else | 
|  | int_mv cand_mv = get_block_mv(candidate, 0); | 
|  | #endif  // CONFIG_C071_SUBBLK_WARPMV | 
|  | int_mv ref_mv[2]; | 
|  | get_tip_mv(cm, &cand_mv.as_mv, cand_tpl_col, cand_tpl_row, ref_mv); | 
|  |  | 
|  | clamp_tip_smvp_refmv(cm, &ref_mv[0].as_mv, mi_row, mi_col); | 
|  | clamp_tip_smvp_refmv(cm, &ref_mv[1].as_mv, mi_row, mi_col); | 
|  |  | 
|  | #if CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | clamp_mv_ref(&ref_mv[0].as_mv, xd->width << MI_SIZE_LOG2, | 
|  | xd->height << MI_SIZE_LOG2, xd); | 
|  | clamp_mv_ref(&ref_mv[1].as_mv, xd->width << MI_SIZE_LOG2, | 
|  | xd->height << MI_SIZE_LOG2, xd); | 
|  | #endif  // CONFIG_ACROSS_SCALE_TPL_MVS | 
|  |  | 
|  | for (index = 0; index < *refmv_count; ++index) { | 
|  | if ((ref_mv_stack[index].this_mv.as_int == ref_mv[0].as_int) && | 
|  | (ref_mv_stack[index].comp_mv.as_int == ref_mv[1].as_int)) { | 
|  | ref_mv_weight[index] += weight; | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | // Add a new item to the list. | 
|  | if (index == *refmv_count && index < MAX_REF_MV_STACK_SIZE) { | 
|  | ref_mv_stack[index].this_mv = ref_mv[0]; | 
|  | ref_mv_stack[index].comp_mv = ref_mv[1]; | 
|  | ref_mv_weight[index] = weight; | 
|  | ref_mv_stack[index].row_offset = OFFSET_NONSPATIAL; | 
|  | ref_mv_stack[index].col_offset = OFFSET_NONSPATIAL; | 
|  | ref_mv_stack[index].cwp_idx = candidate->cwp_idx; | 
|  | ++(*refmv_count); | 
|  | } | 
|  |  | 
|  | if (have_newmv_in_inter_mode(candidate->mode)) ++*newmv_count; | 
|  | ++*ref_match_count; | 
|  | } | 
|  |  | 
|  | #if CONFIG_C076_INTER_MOD_CTX | 
|  | // add neighbor info to inter mode contexts | 
|  | static AOM_INLINE void add_ref_mv_candidate_ctx( | 
|  | const MB_MODE_INFO *const candidate, uint8_t *ref_match_count, | 
|  | uint8_t *newmv_count, const AV1_COMMON *cm, const MV_REFERENCE_FRAME rf[2], | 
|  | const MB_MODE_INFO *mbmi) { | 
|  | if (!is_inter_block(candidate, SHARED_PART)) return; | 
|  | const TIP *tip_ref = &cm->tip_ref; | 
|  | if (mbmi->skip_mode) return; | 
|  | #if CONFIG_SKIP_MODE_PARSING_DEPENDENCY_REMOVAL | 
|  | if (candidate->skip_mode) return; | 
|  | #endif  // CONFIG_SKIP_MODE_PARSING_DEPENDENCY_REMOVAL | 
|  | if (rf[1] == NONE_FRAME) { | 
|  | // single reference frame | 
|  | for (int ref = 0; ref < 2; ++ref) { | 
|  | if (candidate->ref_frame[ref] == rf[0]) { | 
|  | if (have_newmv_in_inter_mode(candidate->mode)) ++*newmv_count; | 
|  | ++*ref_match_count; | 
|  | } | 
|  | } | 
|  | } else { | 
|  | if (is_tip_ref_frame(candidate->ref_frame[0]) && | 
|  | candidate->ref_frame[1] == NONE_FRAME && | 
|  | rf[0] == tip_ref->ref_frame[0] && rf[1] == tip_ref->ref_frame[1] && | 
|  | cm->features.tip_frame_mode) { | 
|  | if (have_newmv_in_inter_mode(candidate->mode)) ++*newmv_count; | 
|  | ++*ref_match_count; | 
|  | } else { | 
|  | // compound reference frame | 
|  | if (candidate->ref_frame[0] == rf[0] && | 
|  | candidate->ref_frame[1] == rf[1]) { | 
|  | if (have_newmv_in_inter_mode(candidate->mode)) ++*newmv_count; | 
|  | ++*ref_match_count; | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | #endif  // CONFIG_C076_INTER_MOD_CTX | 
|  |  | 
|  | static AOM_INLINE void add_ref_mv_candidate( | 
|  | #if !CONFIG_MVP_IMPROVEMENT | 
|  | const AV1_COMMON *cm, | 
|  | #endif  // !CONFIG_MVP_IMPROVEMENT | 
|  | int mi_row, int mi_col, int mi_row_cand, int mi_col_cand, | 
|  | const MB_MODE_INFO *const candidate, | 
|  | #if CONFIG_C071_SUBBLK_WARPMV | 
|  | const SUBMB_INFO *const submi, | 
|  | #endif  // CONFIG_C071_SUBBLK_WARPMV | 
|  | const MV_REFERENCE_FRAME rf[2], uint8_t *refmv_count, | 
|  | uint8_t *ref_match_count, uint8_t *newmv_count, CANDIDATE_MV *ref_mv_stack, | 
|  | uint16_t *ref_mv_weight, int_mv *gm_mv_candidates, | 
|  | const WarpedMotionParams *gm_params, | 
|  | #if CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | const MB_MODE_INFO *mbmi, | 
|  | MV_REFERENCE_FRAME ref_frame_idx0[MAX_REF_MV_STACK_SIZE], | 
|  | MV_REFERENCE_FRAME ref_frame_idx1[MAX_REF_MV_STACK_SIZE], | 
|  | #endif  // CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | #if CONFIG_MVP_IMPROVEMENT | 
|  | const AV1_COMMON *cm, int add_more_mvs, SINGLE_MV_CANDIDATE *single_mv, | 
|  | uint8_t *single_mv_count, CANDIDATE_MV *derived_mv_stack, | 
|  | uint16_t *derived_mv_weight, uint8_t *derived_mv_count, | 
|  | #endif  // CONFIG_MVP_IMPROVEMENT | 
|  | #if CONFIG_IBC_SR_EXT | 
|  | uint8_t is_intrabc, | 
|  | #endif  // CONFIG_IBC_SR_EXT | 
|  | #if CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | const MACROBLOCKD *xd, | 
|  | #endif  // CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | int row_offset, int col_offset, uint16_t weight, | 
|  | const MvSubpelPrecision precision) { | 
|  | #if CONFIG_C071_SUBBLK_WARPMV | 
|  | (void)precision; | 
|  | #endif  // CONFIG_C071_SUBBLK_WARPMV | 
|  | if (!is_inter_block(candidate, SHARED_PART)) return; | 
|  |  | 
|  | #if CONFIG_IBC_SR_EXT | 
|  | if (is_intrabc != is_intrabc_block(candidate, SHARED_PART)) return; | 
|  | #endif  // CONFIG_IBC_SR_EXT | 
|  |  | 
|  | #if !CONFIG_CWG_E099_DRL_WRL_SIMPLIFY | 
|  | assert(weight % 2 == 0); | 
|  | #endif  // !CONFIG_CWG_E099_DRL_WRL_SIMPLIFY | 
|  | int index, ref; | 
|  |  | 
|  | const TIP *tip_ref = &cm->tip_ref; | 
|  |  | 
|  | #if CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | if (mbmi->skip_mode) { | 
|  | if (!is_tip_ref_frame(candidate->ref_frame[0]) && | 
|  | !is_tip_ref_frame(candidate->ref_frame[1]) && | 
|  | (is_inter_ref_frame(candidate->ref_frame[0]) && | 
|  | is_inter_ref_frame(candidate->ref_frame[1]))) { | 
|  | int_mv this_refmv[2]; | 
|  | for (ref = 0; ref < 2; ++ref) { | 
|  | if (is_global_mv_block(candidate, gm_params[rf[ref]].wmtype)) | 
|  | this_refmv[ref] = gm_mv_candidates[ref]; | 
|  | else | 
|  | this_refmv[ref] = get_block_mv(candidate, | 
|  | #if CONFIG_C071_SUBBLK_WARPMV | 
|  | submi, | 
|  | #endif  // CONFIG_C071_SUBBLK_WARPMV | 
|  | ref); | 
|  | } | 
|  |  | 
|  | for (index = 0; index < *refmv_count; ++index) { | 
|  | if ((ref_mv_stack[index].this_mv.as_int == this_refmv[0].as_int) && | 
|  | (ref_mv_stack[index].comp_mv.as_int == this_refmv[1].as_int) && | 
|  | (ref_frame_idx0[index] == candidate->ref_frame[0]) && | 
|  | (ref_frame_idx1[index] == candidate->ref_frame[1])) { | 
|  | ref_mv_weight[index] += weight; | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | // Add a new item to the list. | 
|  | if (index == *refmv_count && *refmv_count < MAX_REF_MV_STACK_SIZE) { | 
|  | ref_mv_stack[index].this_mv = this_refmv[0]; | 
|  | ref_mv_stack[index].comp_mv = this_refmv[1]; | 
|  | ref_frame_idx0[index] = candidate->ref_frame[0]; | 
|  | ref_frame_idx1[index] = candidate->ref_frame[1]; | 
|  | ref_mv_stack[index].cwp_idx = candidate->cwp_idx; | 
|  | ref_mv_weight[index] = weight; | 
|  | ++(*refmv_count); | 
|  | } | 
|  | } | 
|  | #if CONFIG_D072_SKIP_MODE_IMPROVE | 
|  | else if (is_inter_ref_frame(candidate->ref_frame[0]) && | 
|  | candidate->ref_frame[1] == NONE_FRAME && | 
|  | !is_tip_ref_frame(candidate->ref_frame[0])) { | 
|  | int_mv this_refmv; | 
|  | if (is_global_mv_block(candidate, | 
|  | gm_params[candidate->ref_frame[0]].wmtype)) { | 
|  | return; | 
|  | } else { | 
|  | this_refmv = get_block_mv(candidate, | 
|  | #if CONFIG_C071_SUBBLK_WARPMV | 
|  | submi, | 
|  | #endif  // CONFIG_C071_SUBBLK_WARPMV | 
|  | 0); | 
|  | } | 
|  |  | 
|  | for (index = 0; index < *refmv_count; ++index) { | 
|  | if (ref_mv_stack[index].this_mv.as_int == this_refmv.as_int && | 
|  | ref_mv_stack[index].comp_mv.as_int == INVALID_MV && | 
|  | ref_frame_idx0[index] == candidate->ref_frame[0] && | 
|  | ref_frame_idx1[index] == candidate->ref_frame[1]) { | 
|  | ref_mv_weight[index] += weight; | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | // Add a new item to the list. | 
|  | if (index == *refmv_count && *refmv_count < MAX_REF_MV_STACK_SIZE) { | 
|  | ref_mv_stack[index].this_mv = this_refmv; | 
|  | ref_mv_stack[index].comp_mv.as_int = INVALID_MV; | 
|  | ref_frame_idx0[index] = candidate->ref_frame[0]; | 
|  | ref_frame_idx1[index] = candidate->ref_frame[1]; | 
|  | ref_mv_weight[index] = weight; | 
|  | ++(*refmv_count); | 
|  | } | 
|  | } | 
|  | #endif  // CONFIG_D072_SKIP_MODE_IMPROVE | 
|  | return; | 
|  | } | 
|  | #endif  // CONFIG_SKIP_MODE_ENHANCEMENT | 
|  |  | 
|  | if (rf[1] == NONE_FRAME) { | 
|  | #if CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | assert(!mbmi->skip_mode); | 
|  | #endif  // CONFIG_SKIP_MODE_ENHANCEMENT | 
|  |  | 
|  | #if CONFIG_IMPROVE_TIP_SMVP | 
|  | int_mv cand_tip_mvs[2]; | 
|  | MV_REFERENCE_FRAME cand_tip_ref_frames[2]; | 
|  | if (is_tip_ref_frame(candidate->ref_frame[0])) { | 
|  | const int cand_tpl_row = (mi_row_cand >> TMVP_SHIFT_BITS); | 
|  | const int cand_tpl_col = (mi_col_cand >> TMVP_SHIFT_BITS); | 
|  | #if CONFIG_C071_SUBBLK_WARPMV | 
|  | int_mv cand_mv = candidate->mv[0]; | 
|  | #else | 
|  | int_mv cand_mv = get_block_mv(candidate, 0); | 
|  | #endif  // CONFIG_C071_SUBBLK_WARPMV | 
|  | get_tip_mv(cm, &cand_mv.as_mv, cand_tpl_col, cand_tpl_row, cand_tip_mvs); | 
|  | cand_tip_ref_frames[0] = cm->tip_ref.ref_frame[0]; | 
|  | cand_tip_ref_frames[1] = cm->tip_ref.ref_frame[1]; | 
|  | } else { | 
|  | cand_tip_mvs[0].as_int = INVALID_MV; | 
|  | cand_tip_mvs[1].as_int = INVALID_MV; | 
|  | cand_tip_ref_frames[0] = NONE_FRAME; | 
|  | cand_tip_ref_frames[1] = NONE_FRAME; | 
|  | } | 
|  | #endif  // CONFIG_IMPROVE_TIP_SMVP | 
|  |  | 
|  | // single reference frame | 
|  | for (ref = 0; ref < 2; ++ref) { | 
|  | if (candidate->ref_frame[ref] == rf[0]) { | 
|  | int_mv this_refmv; | 
|  | if (is_tip_ref_frame(rf[0])) { | 
|  | this_refmv = get_block_mv(candidate, | 
|  | #if CONFIG_C071_SUBBLK_WARPMV | 
|  | submi, | 
|  | #endif  // CONFIG_C071_SUBBLK_WARPMV | 
|  | ref); | 
|  | } else { | 
|  | const int is_gm_block = | 
|  | is_global_mv_block(candidate, gm_params[rf[0]].wmtype); | 
|  | this_refmv = is_gm_block ? gm_mv_candidates[0] | 
|  | : get_block_mv(candidate, | 
|  | #if CONFIG_C071_SUBBLK_WARPMV | 
|  | submi, | 
|  | #endif  // CONFIG_C071_SUBBLK_WARPMV | 
|  | ref); | 
|  | } | 
|  |  | 
|  | for (index = 0; index < *refmv_count; ++index) { | 
|  | if (ref_mv_stack[index].this_mv.as_int == this_refmv.as_int) { | 
|  | ref_mv_weight[index] += weight; | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | // Add a new item to the list. | 
|  | if (index == *refmv_count && *refmv_count < MAX_REF_MV_STACK_SIZE) { | 
|  | ref_mv_stack[index].this_mv = this_refmv; | 
|  | ref_mv_stack[index].row_offset = row_offset; | 
|  | ref_mv_stack[index].col_offset = col_offset; | 
|  | ref_mv_stack[index].cwp_idx = candidate->cwp_idx; | 
|  | ref_mv_weight[index] = weight; | 
|  | ++(*refmv_count); | 
|  | } | 
|  | if (have_newmv_in_inter_mode(candidate->mode)) ++*newmv_count; | 
|  | ++*ref_match_count; | 
|  | #if CONFIG_IMPROVE_TIP_SMVP | 
|  | } else if (cand_tip_ref_frames[ref] == rf[0]) { | 
|  | int_mv this_refmv = cand_tip_mvs[ref]; | 
|  | clamp_tip_smvp_refmv(cm, &this_refmv.as_mv, mi_row, mi_col); | 
|  |  | 
|  | for (index = 0; index < *refmv_count; ++index) { | 
|  | if (ref_mv_stack[index].this_mv.as_int == this_refmv.as_int) { | 
|  | ref_mv_weight[index] += weight; | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | // Add a new item to the list. | 
|  | if (index == *refmv_count && *refmv_count < MAX_REF_MV_STACK_SIZE) { | 
|  | ref_mv_stack[index].this_mv = this_refmv; | 
|  | ref_mv_stack[index].row_offset = row_offset; | 
|  | ref_mv_stack[index].col_offset = col_offset; | 
|  | ref_mv_stack[index].cwp_idx = candidate->cwp_idx; | 
|  | ref_mv_weight[index] = weight; | 
|  | ++(*refmv_count); | 
|  | } | 
|  | if (have_newmv_in_inter_mode(candidate->mode)) ++*newmv_count; | 
|  | ++*ref_match_count; | 
|  | } else if (add_more_mvs && ref == 0 && is_tip_ref_frame(rf[0]) && | 
|  | candidate->ref_frame[0] == tip_ref->ref_frame[0] && | 
|  | candidate->ref_frame[1] == tip_ref->ref_frame[1] && | 
|  | cm->features.tip_frame_mode) { | 
|  | int_mv cand_mvs[2]; | 
|  | #if CONFIG_C071_SUBBLK_WARPMV | 
|  | cand_mvs[0] = candidate->mv[0]; | 
|  | cand_mvs[1] = candidate->mv[1]; | 
|  | #else | 
|  | cand_mvs[0] = get_block_mv(candidate, 0); | 
|  | cand_mvs[1] = get_block_mv(candidate, 1); | 
|  | #endif  // CONFIG_C071_SUBBLK_WARPMV | 
|  |  | 
|  | int_mv cand_linear_mv; | 
|  | cand_linear_mv.as_mv.row = | 
|  | cand_mvs[0].as_mv.row - cand_mvs[1].as_mv.row; | 
|  | cand_linear_mv.as_mv.col = | 
|  | cand_mvs[0].as_mv.col - cand_mvs[1].as_mv.col; | 
|  |  | 
|  | int_mv cand_projected_mv_0; | 
|  | tip_get_mv_projection(&cand_projected_mv_0.as_mv, cand_linear_mv.as_mv, | 
|  | tip_ref->ref_frames_offset_sf[0]); | 
|  |  | 
|  | int_mv derived_mv; | 
|  | derived_mv.as_mv.row = | 
|  | cand_mvs[0].as_mv.row - cand_projected_mv_0.as_mv.row; | 
|  | derived_mv.as_mv.col = | 
|  | cand_mvs[0].as_mv.col - cand_projected_mv_0.as_mv.col; | 
|  |  | 
|  | const int clamp_max = MV_UPP - 1; | 
|  | const int clamp_min = MV_LOW + 1; | 
|  | derived_mv.as_mv.row = | 
|  | clamp(derived_mv.as_mv.row, clamp_min, clamp_max); | 
|  | derived_mv.as_mv.col = | 
|  | clamp(derived_mv.as_mv.col, clamp_min, clamp_max); | 
|  |  | 
|  | #if !CONFIG_C071_SUBBLK_WARPMV | 
|  | lower_mv_precision(&derived_mv.as_mv, precision); | 
|  | #endif  // !CONFIG_C071_SUBBLK_WARPMV | 
|  |  | 
|  | for (index = 0; index < *derived_mv_count; ++index) { | 
|  | if (derived_mv_stack[index].this_mv.as_int == derived_mv.as_int) { | 
|  | derived_mv_weight[index] += weight; | 
|  | break; | 
|  | } | 
|  | } | 
|  | // Add a new item to the list. | 
|  | if (index == *derived_mv_count && | 
|  | *derived_mv_count < MAX_REF_MV_STACK_SIZE) { | 
|  | derived_mv_stack[index].this_mv = derived_mv; | 
|  | derived_mv_weight[index] = weight; | 
|  | derived_mv_stack[index].cwp_idx = candidate->cwp_idx; | 
|  | ++(*derived_mv_count); | 
|  | } | 
|  | #endif  // CONFIG_IMPROVE_TIP_SMVP | 
|  | } | 
|  | #if CONFIG_MVP_IMPROVEMENT | 
|  | else if (add_more_mvs && | 
|  | (is_inter_ref_frame(candidate->ref_frame[ref]) | 
|  | #if CONFIG_IMPROVE_TIP_SMVP | 
|  | || is_tip_ref_frame(candidate->ref_frame[0]) | 
|  | #endif | 
|  | ) && | 
|  | #if CONFIG_IBC_SR_EXT | 
|  | rf[0] != INTRA_FRAME && | 
|  | #endif  // CONFIG_IBC_SR_EXT | 
|  | !is_tip_ref_frame(rf[0]) && | 
|  | #if !CONFIG_IMPROVE_TIP_SMVP | 
|  | !is_tip_ref_frame(candidate->ref_frame[0]) && | 
|  | #endif | 
|  | cm->seq_params.order_hint_info.enable_order_hint) { | 
|  | int_mv cand_refmv; | 
|  | MV_REFERENCE_FRAME cand_ref_frame; | 
|  | #if CONFIG_IMPROVE_TIP_SMVP | 
|  | if (is_tip_ref_frame(candidate->ref_frame[0])) { | 
|  | cand_refmv.as_int = cand_tip_mvs[ref].as_int; | 
|  | cand_ref_frame = cand_tip_ref_frames[ref]; | 
|  | } else { | 
|  | const int is_gm_block = is_global_mv_block( | 
|  | candidate, gm_params[candidate->ref_frame[ref]].wmtype); | 
|  | cand_refmv = is_gm_block ? gm_mv_candidates[0] | 
|  | : get_block_mv(candidate, | 
|  | #if CONFIG_C071_SUBBLK_WARPMV | 
|  | submi, | 
|  | #endif  // CONFIG_C071_SUBBLK_WARPMV | 
|  | ref); | 
|  | cand_ref_frame = candidate->ref_frame[ref]; | 
|  | } | 
|  | #else | 
|  | const int is_gm_block = is_global_mv_block( | 
|  | candidate, gm_params[candidate->ref_frame[ref]].wmtype); | 
|  | cand_refmv = is_gm_block ? gm_mv_candidates[0] | 
|  | : get_block_mv(candidate, | 
|  | #if CONFIG_C071_SUBBLK_WARPMV | 
|  | submi, | 
|  | #endif  // CONFIG_C071_SUBBLK_WARPMV | 
|  | ref); | 
|  | cand_ref_frame = candidate->ref_frame[ref]; | 
|  | #endif  // CONFIG_IMPROVE_TIP_SMVP | 
|  |  | 
|  | #if CONFIG_MV_TRAJECTORY | 
|  | const int frame_mvs_stride = | 
|  | ROUND_POWER_OF_TWO(cm->mi_params.mi_cols, TMVP_SHIFT_BITS); | 
|  |  | 
|  | #if CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  | int this_tpl_row = mi_row >> 1; | 
|  | int this_tpl_col = mi_col >> 1; | 
|  | int traj_id = this_tpl_row * frame_mvs_stride + this_tpl_col; | 
|  | if (cm->seq_params.enable_mv_traj && cm->features.allow_ref_frame_mvs && | 
|  | #else | 
|  | int cand_ref_mv_row; | 
|  | int cand_ref_mv_col; | 
|  | int valid; | 
|  | if (cand_refmv.as_int == 0) { | 
|  | valid = 1; | 
|  | cand_ref_mv_row = mi_row_cand >> 1; | 
|  | cand_ref_mv_col = mi_col_cand >> 1; | 
|  | } else { | 
|  | valid = get_block_position(cm, &cand_ref_mv_row, &cand_ref_mv_col, | 
|  | mi_row_cand >> 1, mi_col_cand >> 1, | 
|  | cand_refmv.as_mv, 0); | 
|  | } | 
|  | int traj_id = valid | 
|  | ? cm->blk_id_map[cand_ref_frame] | 
|  | [cand_ref_mv_row * frame_mvs_stride + | 
|  | cand_ref_mv_col] | 
|  | : -1; | 
|  | if (traj_id >= 0 && cm->features.allow_ref_frame_mvs && | 
|  | #endif  // CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  | cm->id_offset_map[rf[0]][traj_id].as_int != INVALID_MV && | 
|  | cm->id_offset_map[cand_ref_frame][traj_id].as_int != INVALID_MV) { | 
|  | int_mv mv_traj_cand_ref = cm->id_offset_map[cand_ref_frame][traj_id]; | 
|  | int_mv mv_traj_cur_ref = cm->id_offset_map[rf[0]][traj_id]; | 
|  |  | 
|  | const int clamp_max = MV_UPP - 1; | 
|  | const int clamp_min = MV_LOW + 1; | 
|  | int_mv derived_mv; | 
|  | derived_mv.as_mv.row = clamp( | 
|  | cand_refmv.as_mv.row + | 
|  | (mv_traj_cur_ref.as_mv.row - mv_traj_cand_ref.as_mv.row), | 
|  | clamp_min, clamp_max); | 
|  | derived_mv.as_mv.col = clamp( | 
|  | cand_refmv.as_mv.col + | 
|  | (mv_traj_cur_ref.as_mv.col - mv_traj_cand_ref.as_mv.col), | 
|  | clamp_min, clamp_max); | 
|  |  | 
|  | #if !CONFIG_C071_SUBBLK_WARPMV | 
|  | lower_mv_precision(&derived_mv.as_mv, precision); | 
|  | #endif  // !CONFIG_C071_SUBBLK_WARPMV | 
|  |  | 
|  | for (index = 0; index < *derived_mv_count; ++index) { | 
|  | if (derived_mv_stack[index].this_mv.as_int == derived_mv.as_int) { | 
|  | derived_mv_weight[index] += weight; | 
|  | break; | 
|  | } | 
|  | } | 
|  | // Add a new item to the list. | 
|  | if (index == *derived_mv_count && | 
|  | *derived_mv_count < MAX_REF_MV_STACK_SIZE) { | 
|  | derived_mv_stack[index].this_mv = derived_mv; | 
|  | derived_mv_weight[index] = weight; | 
|  | derived_mv_stack[index].cwp_idx = candidate->cwp_idx; | 
|  | ++(*derived_mv_count); | 
|  | } | 
|  | } else { | 
|  | #endif  // CONFIG_MV_TRAJECTORY | 
|  | const int cur_blk_ref_side = cm->ref_frame_side[rf[0]]; | 
|  | const int cand_blk_ref_side = cm->ref_frame_side[cand_ref_frame]; | 
|  |  | 
|  | const int same_side = | 
|  | (cur_blk_ref_side > 0 && cand_blk_ref_side > 0) || | 
|  | (cur_blk_ref_side == 0 && cand_blk_ref_side == 0); | 
|  |  | 
|  | if (same_side) { | 
|  | const int cur_to_ref_dist = cm->ref_frame_relative_dist[rf[0]]; | 
|  | const int cand_to_ref_dist = | 
|  | cm->ref_frame_relative_dist[cand_ref_frame]; | 
|  |  | 
|  | int_mv this_refmv; | 
|  | get_mv_projection(&this_refmv.as_mv, cand_refmv.as_mv, | 
|  | cur_to_ref_dist, cand_to_ref_dist); | 
|  | #if !CONFIG_C071_SUBBLK_WARPMV | 
|  | lower_mv_precision(&this_refmv.as_mv, precision); | 
|  | #endif  // !CONFIG_C071_SUBBLK_WARPMV | 
|  |  | 
|  | for (index = 0; index < *derived_mv_count; ++index) { | 
|  | if (derived_mv_stack[index].this_mv.as_int == this_refmv.as_int) { | 
|  | derived_mv_weight[index] += weight; | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | // Add a new item to the list. | 
|  | if (index == *derived_mv_count && | 
|  | *derived_mv_count < MAX_REF_MV_STACK_SIZE) { | 
|  | derived_mv_stack[index].this_mv = this_refmv; | 
|  | derived_mv_weight[index] = weight; | 
|  | derived_mv_stack[index].cwp_idx = candidate->cwp_idx; | 
|  | ++(*derived_mv_count); | 
|  | } | 
|  | } | 
|  | #if CONFIG_MV_TRAJECTORY | 
|  | } | 
|  | #endif  // CONFIG_MV_TRAJECTORY | 
|  | } | 
|  | #endif  // CONFIG_MVP_IMPROVEMENT | 
|  | } | 
|  | } else { | 
|  | if (is_tip_ref_frame(candidate->ref_frame[0]) && | 
|  | candidate->ref_frame[1] == NONE_FRAME && | 
|  | rf[0] == tip_ref->ref_frame[0] && rf[1] == tip_ref->ref_frame[1] && | 
|  | cm->features.tip_frame_mode) { | 
|  | derive_ref_mv_candidate_from_tip_mode( | 
|  | cm, | 
|  | #if CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | xd, | 
|  | #endif  // CONFIG_ACROSS_SCALE_TPL_MVS | 
|  |  | 
|  | mi_row, mi_col, mi_row_cand, mi_col_cand, candidate, refmv_count, | 
|  | ref_match_count, newmv_count, ref_mv_stack, ref_mv_weight, weight); | 
|  | } else { | 
|  | // compound reference frame | 
|  | if (candidate->ref_frame[0] == rf[0] && | 
|  | candidate->ref_frame[1] == rf[1]) { | 
|  | #if CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | if (mbmi->skip_mode) return; | 
|  | #endif  // CONFIG_SKIP_MODE_ENHANCEMENT | 
|  |  | 
|  | int_mv this_refmv[2]; | 
|  |  | 
|  | for (ref = 0; ref < 2; ++ref) { | 
|  | if (is_global_mv_block(candidate, gm_params[rf[ref]].wmtype)) | 
|  | this_refmv[ref] = gm_mv_candidates[ref]; | 
|  | else | 
|  | this_refmv[ref] = get_block_mv(candidate, | 
|  | #if CONFIG_C071_SUBBLK_WARPMV | 
|  | submi, | 
|  | #endif  // CONFIG_C071_SUBBLK_WARPMV | 
|  | ref); | 
|  | } | 
|  |  | 
|  | for (index = 0; index < *refmv_count; ++index) { | 
|  | if ((ref_mv_stack[index].this_mv.as_int == this_refmv[0].as_int) && | 
|  | (ref_mv_stack[index].comp_mv.as_int == this_refmv[1].as_int)) { | 
|  | ref_mv_weight[index] += weight; | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | // Add a new item to the list. | 
|  | if (index == *refmv_count && *refmv_count < MAX_REF_MV_STACK_SIZE) { | 
|  | ref_mv_stack[index].this_mv = this_refmv[0]; | 
|  | ref_mv_stack[index].comp_mv = this_refmv[1]; | 
|  | ref_mv_weight[index] = weight; | 
|  | ref_mv_stack[index].row_offset = OFFSET_NONSPATIAL; | 
|  | ref_mv_stack[index].col_offset = OFFSET_NONSPATIAL; | 
|  | ref_mv_stack[index].cwp_idx = candidate->cwp_idx; | 
|  | ++(*refmv_count); | 
|  | } | 
|  | if (have_newmv_in_inter_mode(candidate->mode)) ++*newmv_count; | 
|  | ++*ref_match_count; | 
|  | } | 
|  | #if CONFIG_MVP_IMPROVEMENT | 
|  | else if (add_more_mvs) { | 
|  | #if CONFIG_MV_TRAJECTORY | 
|  | if ( | 
|  | #if CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  | cm->seq_params.enable_mv_traj && | 
|  | #endif  // CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  | cm->seq_params.order_hint_info.enable_order_hint && | 
|  | cm->features.allow_ref_frame_mvs && rf[0] != rf[1] && | 
|  | is_inter_ref_frame(rf[0]) && is_inter_ref_frame(rf[1])) { | 
|  | const int frame_mvs_stride = | 
|  | ROUND_POWER_OF_TWO(cm->mi_params.mi_cols, TMVP_SHIFT_BITS); | 
|  |  | 
|  | for (ref = 0; ref < 2; ref++) { | 
|  | if (!is_inter_ref_frame(candidate->ref_frame[ref]) || | 
|  | is_tip_ref_frame(candidate->ref_frame[ref])) | 
|  | continue; | 
|  | const int is_gm_block = is_global_mv_block( | 
|  | candidate, gm_params[candidate->ref_frame[ref]].wmtype); | 
|  | const int_mv cand_refmv = is_gm_block ? gm_mv_candidates[ref] | 
|  | : get_block_mv(candidate, | 
|  | #if CONFIG_C071_SUBBLK_WARPMV | 
|  | submi, | 
|  | #endif  // CONFIG_C071_SUBBLK_WARPMV | 
|  | ref); | 
|  |  | 
|  | #if CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  | int this_tpl_row = mi_row >> 1; | 
|  | int this_tpl_col = mi_col >> 1; | 
|  | int traj_id = this_tpl_row * frame_mvs_stride + this_tpl_col; | 
|  | #else | 
|  | int cand_ref_mv_row; | 
|  | int cand_ref_mv_col; | 
|  | int valid; | 
|  | if (cand_refmv.as_int == 0) { | 
|  | valid = 1; | 
|  | cand_ref_mv_row = (mi_row_cand >> 1); | 
|  | cand_ref_mv_col = (mi_col_cand >> 1); | 
|  | } else { | 
|  | valid = get_block_position(cm, &cand_ref_mv_row, &cand_ref_mv_col, | 
|  | mi_row_cand >> 1, mi_col_cand >> 1, | 
|  | cand_refmv.as_mv, 0); | 
|  | } | 
|  | int traj_id = | 
|  | valid ? cm->blk_id_map[candidate->ref_frame[ref]] | 
|  | [cand_ref_mv_row * frame_mvs_stride + | 
|  | cand_ref_mv_col] | 
|  | : -1; | 
|  | #endif  // CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  |  | 
|  | #if !CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  | if (traj_id >= 0) { | 
|  | #endif  // CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  | int_mv mv_traj_cand_ref = | 
|  | cm->id_offset_map[candidate->ref_frame[ref]][traj_id]; | 
|  | int_mv mv_traj_cur_ref0 = cm->id_offset_map[rf[0]][traj_id]; | 
|  | int_mv mv_traj_cur_ref1 = cm->id_offset_map[rf[1]][traj_id]; | 
|  |  | 
|  | if (mv_traj_cand_ref.as_int == INVALID_MV || | 
|  | mv_traj_cur_ref0.as_int == INVALID_MV || | 
|  | mv_traj_cur_ref1.as_int == INVALID_MV) { | 
|  | continue; | 
|  | } | 
|  |  | 
|  | int_mv this_refmv[2]; | 
|  | const int clamp_max = MV_UPP - 1; | 
|  | const int clamp_min = MV_LOW + 1; | 
|  | this_refmv[0].as_mv.row = clamp( | 
|  | cand_refmv.as_mv.row + | 
|  | (mv_traj_cur_ref0.as_mv.row - mv_traj_cand_ref.as_mv.row), | 
|  | clamp_min, clamp_max); | 
|  | this_refmv[0].as_mv.col = clamp( | 
|  | cand_refmv.as_mv.col + | 
|  | (mv_traj_cur_ref0.as_mv.col - mv_traj_cand_ref.as_mv.col), | 
|  | clamp_min, clamp_max); | 
|  | this_refmv[1].as_mv.row = clamp( | 
|  | cand_refmv.as_mv.row + | 
|  | (mv_traj_cur_ref1.as_mv.row - mv_traj_cand_ref.as_mv.row), | 
|  | clamp_min, clamp_max); | 
|  | this_refmv[1].as_mv.col = clamp( | 
|  | cand_refmv.as_mv.col + | 
|  | (mv_traj_cur_ref1.as_mv.col - mv_traj_cand_ref.as_mv.col), | 
|  | clamp_min, clamp_max); | 
|  |  | 
|  | for (index = 0; index < *derived_mv_count; ++index) { | 
|  | if ((derived_mv_stack[index].this_mv.as_int == | 
|  | this_refmv[0].as_int) && | 
|  | (derived_mv_stack[index].comp_mv.as_int == | 
|  | this_refmv[1].as_int)) { | 
|  | derived_mv_weight[index] += weight; | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | // Add a new item to the list. | 
|  | if (index == *derived_mv_count && | 
|  | *derived_mv_count < MAX_REF_MV_STACK_SIZE) { | 
|  | derived_mv_stack[index].this_mv = this_refmv[0]; | 
|  | derived_mv_stack[index].comp_mv = this_refmv[1]; | 
|  | derived_mv_weight[index] = weight; | 
|  | derived_mv_stack[index].cwp_idx = candidate->cwp_idx; | 
|  | ++(*derived_mv_count); | 
|  | } | 
|  | #if !CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  | } | 
|  | #endif  // CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  | } | 
|  | } | 
|  | #endif  // CONFIG_MV_TRAJECTORY | 
|  |  | 
|  | // Compound reference frame, but only have one reference frame | 
|  | // is the same as the reference frame of the neighboring block | 
|  | int candidate_ref_idx0 = -1; | 
|  | int candidate_ref_idx1 = -1; | 
|  | int which_cand_ref = -1; | 
|  | if (candidate->ref_frame[0] == rf[0] || | 
|  | candidate->ref_frame[1] == rf[0]) { | 
|  | candidate_ref_idx0 = 0; | 
|  | candidate_ref_idx1 = 1; | 
|  | which_cand_ref = (candidate->ref_frame[0] == rf[0]) ? 0 : 1; | 
|  | } else if (candidate->ref_frame[0] == rf[1] || | 
|  | candidate->ref_frame[1] == rf[1]) { | 
|  | candidate_ref_idx0 = 1; | 
|  | candidate_ref_idx1 = 0; | 
|  | which_cand_ref = (candidate->ref_frame[0] == rf[1]) ? 0 : 1; | 
|  | } | 
|  |  | 
|  | if (candidate_ref_idx0 != -1 && candidate_ref_idx1 != -1) { | 
|  | int_mv this_refmv[2]; | 
|  | const int is_gm_block = is_global_mv_block( | 
|  | candidate, gm_params[rf[candidate_ref_idx0]].wmtype); | 
|  | this_refmv[candidate_ref_idx0] = | 
|  | is_gm_block ? gm_mv_candidates[candidate_ref_idx0] | 
|  | : get_block_mv(candidate, | 
|  | #if CONFIG_C071_SUBBLK_WARPMV | 
|  | submi, | 
|  | #endif  // CONFIG_C071_SUBBLK_WARPMV | 
|  | which_cand_ref); | 
|  |  | 
|  | int cand_idx = 0; | 
|  | for (cand_idx = 0; cand_idx < *single_mv_count; ++cand_idx) { | 
|  | if (single_mv[cand_idx].ref_frame == rf[candidate_ref_idx1]) { | 
|  | this_refmv[candidate_ref_idx1].as_int = | 
|  | single_mv[cand_idx].mv.as_int; | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | // Add a new item to the list. | 
|  | if (cand_idx < *single_mv_count) { | 
|  | for (index = 0; index < *derived_mv_count; ++index) { | 
|  | if ((derived_mv_stack[index].this_mv.as_int == | 
|  | this_refmv[0].as_int) && | 
|  | (derived_mv_stack[index].comp_mv.as_int == | 
|  | this_refmv[1].as_int)) { | 
|  | derived_mv_weight[index] += weight; | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | // Add a new item to the list. | 
|  | if (index == *derived_mv_count && | 
|  | *derived_mv_count < MAX_REF_MV_STACK_SIZE) { | 
|  | derived_mv_stack[index].this_mv = this_refmv[0]; | 
|  | derived_mv_stack[index].comp_mv = this_refmv[1]; | 
|  | derived_mv_weight[index] = weight; | 
|  | derived_mv_stack[index].cwp_idx = candidate->cwp_idx; | 
|  | ++(*derived_mv_count); | 
|  | } | 
|  | } | 
|  |  | 
|  | // Add the candidate to single MV stack | 
|  | for (cand_idx = 0; cand_idx < *single_mv_count; ++cand_idx) { | 
|  | if (single_mv[cand_idx].ref_frame == rf[candidate_ref_idx0] && | 
|  | (single_mv[cand_idx].mv.as_int == | 
|  | this_refmv[candidate_ref_idx0].as_int)) { | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | if (cand_idx == *single_mv_count && | 
|  | *single_mv_count < MAX_REF_MV_STACK_SIZE) { | 
|  | single_mv[cand_idx].mv.as_int = | 
|  | this_refmv[candidate_ref_idx0].as_int; | 
|  | single_mv[cand_idx].ref_frame = rf[candidate_ref_idx0]; | 
|  | ++(*single_mv_count); | 
|  | } | 
|  | } | 
|  | } | 
|  | #endif  // CONFIG_MVP_IMPROVEMENT | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | // Check if the candidate block has valid warp parameters | 
|  | // Return 1 if the candidate warp parameters are valid | 
|  | static INLINE uint8_t is_valid_warp_parameters( | 
|  | const AV1_COMMON *cm, const MB_MODE_INFO *neighbor_mbmi, | 
|  | const int ref_frame, WarpedMotionParams *neighbor_params) { | 
|  | (void)cm; | 
|  | #if CONFIG_COMPOUND_WARP_CAUSAL | 
|  | if (is_warp_mode(neighbor_mbmi->motion_mode)) { | 
|  | for (int ref_idx = 0; | 
|  | ref_idx < 1 + is_inter_compound_mode(neighbor_mbmi->mode); ref_idx++) { | 
|  | int is_same_ref = (neighbor_mbmi->ref_frame[ref_idx] == ref_frame); | 
|  | if (is_same_ref && !neighbor_mbmi->wm_params[ref_idx].invalid && | 
|  | neighbor_params) { | 
|  | *neighbor_params = neighbor_mbmi->wm_params[ref_idx]; | 
|  | return 1; | 
|  | } | 
|  | } | 
|  | } | 
|  | #else | 
|  | int is_same_ref = (neighbor_mbmi->ref_frame[0] == ref_frame); | 
|  | if (is_same_ref && is_warp_mode(neighbor_mbmi->motion_mode) && | 
|  | !neighbor_mbmi->wm_params[0].invalid && neighbor_params) { | 
|  | *neighbor_params = neighbor_mbmi->wm_params[0]; | 
|  | return 1; | 
|  | } | 
|  | #endif  // CONFIG_COMPOUND_WARP_CAUSAL | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | // Insert the candidate warp parameters to the WRL | 
|  | void insert_neighbor_warp_candidate( | 
|  | WARP_CANDIDATE warp_candidates[MAX_WARP_REF_CANDIDATES], | 
|  | const WarpedMotionParams *neigh_params, uint8_t curr_num_of_candidates, | 
|  | const WarpProjectionType proj_type) { | 
|  | if (neigh_params) | 
|  | warp_candidates[curr_num_of_candidates].wm_params = *neigh_params; | 
|  | warp_candidates[curr_num_of_candidates].proj_type = proj_type; | 
|  | } | 
|  |  | 
|  | // Check if the candidate warp parameters are already in the list or not. | 
|  | static int is_this_param_already_in_list( | 
|  | const uint8_t curr_num_of_candidates, | 
|  | WARP_CANDIDATE warp_candidates[MAX_WARP_REF_CANDIDATES], | 
|  | WarpedMotionParams neigh_params) { | 
|  | for (int i = 0; i < curr_num_of_candidates; i++) { | 
|  | int same_param = | 
|  | (neigh_params.wmmat[2] == warp_candidates[i].wm_params.wmmat[2]); | 
|  | same_param &= | 
|  | (neigh_params.wmmat[3] == warp_candidates[i].wm_params.wmmat[3]); | 
|  | same_param &= | 
|  | (neigh_params.wmmat[4] == warp_candidates[i].wm_params.wmmat[4]); | 
|  | same_param &= | 
|  | (neigh_params.wmmat[5] == warp_candidates[i].wm_params.wmmat[5]); | 
|  | #if !CONFIG_WRL_PRUNE_FOUR_PARAMETERS | 
|  | // The translational part is used for WARPMV mode | 
|  | same_param &= | 
|  | (neigh_params.wmmat[0] == warp_candidates[i].wm_params.wmmat[0]); | 
|  | same_param &= | 
|  | (neigh_params.wmmat[1] == warp_candidates[i].wm_params.wmmat[1]); | 
|  | #endif  // !CONFIG_WRL_PRUNE_FOUR_PARAMETERS | 
|  | if (same_param) return 1; | 
|  | } | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | void check_this_warp_candidate( | 
|  | const AV1_COMMON *cm, const MB_MODE_INFO *const neighbor_mbmi, | 
|  | WARP_CANDIDATE warp_candidates[MAX_WARP_REF_CANDIDATES], | 
|  | const int ref_frame, const int max_num_of_candidates, | 
|  | uint8_t *curr_num_of_candidates, const WarpProjectionType proj_type) { | 
|  | if (!is_inter_block(neighbor_mbmi, SHARED_PART)) return; | 
|  | #if CONFIG_IBC_SR_EXT | 
|  | if (is_intrabc_block(neighbor_mbmi, SHARED_PART)) return; | 
|  | #endif  // CONFIG_IBC_SR_EXT | 
|  |  | 
|  | WarpedMotionParams neigh_params; | 
|  | if (*curr_num_of_candidates < max_num_of_candidates && | 
|  | is_valid_warp_parameters(cm, neighbor_mbmi, ref_frame, &neigh_params)) { | 
|  | if (!is_this_param_already_in_list(*curr_num_of_candidates, warp_candidates, | 
|  | neigh_params)) { | 
|  | insert_neighbor_warp_candidate(warp_candidates, &neigh_params, | 
|  | *curr_num_of_candidates, proj_type); | 
|  | ++(*curr_num_of_candidates); | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | // when CONFIG_MVP_IMPROVEMENT is ture, scan_row_mbmi does not called | 
|  | #if !CONFIG_MVP_IMPROVEMENT | 
|  | static AOM_INLINE void scan_row_mbmi( | 
|  | const AV1_COMMON *cm, const MACROBLOCKD *xd, int mi_row, int mi_col, | 
|  | const MV_REFERENCE_FRAME rf[2], int row_offset, CANDIDATE_MV *ref_mv_stack, | 
|  | uint16_t *ref_mv_weight, uint8_t *refmv_count, uint8_t *ref_match_count, | 
|  | uint8_t *newmv_count, int_mv *gm_mv_candidates, int max_row_offset, | 
|  | #if CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | MV_REFERENCE_FRAME *ref_frame_idx0, MV_REFERENCE_FRAME *ref_frame_idx1, | 
|  | #endif  // CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | #if CONFIG_MVP_IMPROVEMENT | 
|  | int add_more_mvs, SINGLE_MV_CANDIDATE *single_mv, uint8_t *single_mv_count, | 
|  | CANDIDATE_MV *derived_mv_stack, uint16_t *derived_mv_weight, | 
|  | uint8_t *derived_mv_count, | 
|  | #endif  // CONFIG_MVP_IMPROVEMENT | 
|  | WARP_CANDIDATE warp_param_stack[MAX_WARP_REF_CANDIDATES], | 
|  | int max_num_of_warp_candidates, uint8_t *valid_num_warp_candidates, | 
|  | MV_REFERENCE_FRAME ref_frame, | 
|  |  | 
|  | int *processed_rows) { | 
|  | int end_mi = AOMMIN(xd->width, cm->mi_params.mi_cols - mi_col); | 
|  | end_mi = AOMMIN(end_mi, mi_size_wide[BLOCK_64X64]); | 
|  | const int width_8x8 = mi_size_wide[BLOCK_8X8]; | 
|  | const int width_16x16 = mi_size_wide[BLOCK_16X16]; | 
|  | MvSubpelPrecision precision = cm->features.fr_mv_precision; | 
|  | int col_offset = 0; | 
|  | // TODO(jingning): Revisit this part after cb4x4 is stable. | 
|  | if (abs(row_offset) > 1) { | 
|  | col_offset = 1; | 
|  | if ((mi_col & 0x01) && xd->width < width_8x8) --col_offset; | 
|  | } | 
|  | const int use_step_16 = (xd->width >= 16); | 
|  | MB_MODE_INFO **const candidate_mi0 = xd->mi + row_offset * xd->mi_stride; | 
|  | #if CONFIG_C071_SUBBLK_WARPMV | 
|  | SUBMB_INFO **const submi_mi0 = xd->submi + row_offset * xd->mi_stride; | 
|  | #endif  // CONFIG_C071_SUBBLK_WARPMV | 
|  | const int plane_type = (xd->tree_type == CHROMA_PART); | 
|  | for (int i = 0; i < end_mi;) { | 
|  | if (xd->mi_col + col_offset + i >= cm->mi_params.mi_cols) break; | 
|  | const int sb_mi_size = mi_size_wide[cm->sb_size]; | 
|  | const int mask_row = mi_row & (sb_mi_size - 1); | 
|  | const int mask_col = mi_col & (sb_mi_size - 1); | 
|  | const int ref_mask_row = mask_row + row_offset; | 
|  | const int ref_mask_col = mask_col + col_offset + i; | 
|  | if (ref_mask_row >= 0) { | 
|  | if (ref_mask_col >= sb_mi_size) break; | 
|  |  | 
|  | const int ref_offset = | 
|  | ref_mask_row * xd->is_mi_coded_stride + ref_mask_col; | 
|  | if (!xd->is_mi_coded[0][ref_offset]) break; | 
|  | } | 
|  | const MB_MODE_INFO *const candidate = candidate_mi0[col_offset + i]; | 
|  | assert(candidate != NULL); | 
|  | #if CONFIG_C071_SUBBLK_WARPMV | 
|  | const SUBMB_INFO *const submi = submi_mi0[col_offset + i]; | 
|  | #endif  // CONFIG_C071_SUBBLK_WARPMV | 
|  | const int candidate_bsize = candidate->sb_type[plane_type]; | 
|  | const int n4_w = mi_size_wide[candidate_bsize]; | 
|  | int len = AOMMIN(xd->width, n4_w); | 
|  | if (use_step_16) | 
|  | len = AOMMAX(width_16x16, len); | 
|  | else if (abs(row_offset) > 1) | 
|  | len = AOMMAX(len, width_8x8); | 
|  |  | 
|  | #if CONFIG_MVP_IMPROVEMENT | 
|  | // Don't add weight to row_offset < -1 which is in the outer area | 
|  | uint16_t weight = | 
|  | row_offset < -1 ? OTHER_SMVP_WEIGHT : ADJACENT_SMVP_WEIGHT; | 
|  | #else | 
|  | uint16_t weight = 2; | 
|  | #endif | 
|  | if (xd->width >= width_8x8 && xd->width <= n4_w) { | 
|  | uint16_t inc = AOMMIN(-max_row_offset + row_offset + 1, | 
|  | mi_size_high[candidate_bsize]); | 
|  | #if !CONFIG_MVP_IMPROVEMENT | 
|  | // Obtain range used in weight calculation. | 
|  | weight = AOMMAX(weight, inc); | 
|  | #endif | 
|  | // Update processed rows. | 
|  | *processed_rows = inc - row_offset - 1; | 
|  | } | 
|  |  | 
|  | const int cand_mi_row = xd->mi_row + row_offset; | 
|  | const int cand_mi_col = xd->mi_col + col_offset + i; | 
|  |  | 
|  | if (warp_param_stack && valid_num_warp_candidates && | 
|  | max_num_of_warp_candidates) { | 
|  | check_this_warp_candidate(cm, candidate, warp_param_stack, ref_frame, | 
|  | max_num_of_warp_candidates, | 
|  | valid_num_warp_candidates, PROJ_SPATIAL); | 
|  | } | 
|  |  | 
|  | add_ref_mv_candidate( | 
|  | #if !CONFIG_MVP_IMPROVEMENT | 
|  | cm, | 
|  | #endif  // !CONFIG_MVP_IMPROVEMENT | 
|  | mi_row, mi_col, cand_mi_row, cand_mi_col, candidate, | 
|  | #if CONFIG_C071_SUBBLK_WARPMV | 
|  | submi, | 
|  | #endif  // CONFIG_C071_SUBBLK_WARPMV | 
|  | rf, refmv_count, ref_match_count, newmv_count, ref_mv_stack, | 
|  | ref_mv_weight, gm_mv_candidates, cm->global_motion, | 
|  | #if CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | xd->mi[0], ref_frame_idx0, ref_frame_idx1, | 
|  | #endif  // CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | #if CONFIG_MVP_IMPROVEMENT | 
|  | cm, add_more_mvs, single_mv, single_mv_count, derived_mv_stack, | 
|  | derived_mv_weight, derived_mv_count, | 
|  | #endif  // CONFIG_MVP_IMPROVEMENT | 
|  | #if CONFIG_IBC_SR_EXT | 
|  | xd->mi[0]->use_intrabc[xd->tree_type == CHROMA_PART], | 
|  | #endif  // CONFIG_IBC_SR_EXT | 
|  | row_offset, col_offset + i, len * weight, precision); | 
|  |  | 
|  | i += len; | 
|  | } | 
|  | } | 
|  | #endif  // !CONFIG_MVP_IMPROVEMENT | 
|  |  | 
|  | #if CONFIG_MVP_IMPROVEMENT | 
|  | // update processed_cols variable, when scan_col_mbmi() is not used for adjacent | 
|  | // neigbhors | 
|  | static AOM_INLINE void update_processed_cols(const MACROBLOCKD *xd, int mi_row, | 
|  | int mi_col, int row_offset, | 
|  | int col_offset, int max_col_offset, | 
|  | int *processed_cols) { | 
|  | const TileInfo *const tile = &xd->tile; | 
|  | const POSITION mi_pos = { row_offset, col_offset }; | 
|  | if (is_inside(tile, mi_col, mi_row, &mi_pos)) { | 
|  | const MB_MODE_INFO *const candidate = | 
|  | xd->mi[row_offset * xd->mi_stride + col_offset]; | 
|  | const int n8_h_8 = mi_size_high[BLOCK_8X8]; | 
|  | const int candidate_bsize = | 
|  | candidate->sb_type[xd->tree_type == CHROMA_PART]; | 
|  | const int n4_h = mi_size_high[candidate_bsize]; | 
|  | if (xd->height >= n8_h_8 && xd->height <= n4_h) { | 
|  | const int inc = AOMMIN(-max_col_offset + col_offset + 1, | 
|  | mi_size_wide[candidate_bsize]); | 
|  | // Update processed cols. | 
|  | *processed_cols = inc - col_offset - 1; | 
|  | } | 
|  | } | 
|  | } | 
|  | #endif  // CONFIG_MVP_IMPROVEMENT | 
|  |  | 
|  | #if !CONFIG_MVP_SIMPLIFY | 
|  | static AOM_INLINE void scan_col_mbmi( | 
|  | const AV1_COMMON *cm, const MACROBLOCKD *xd, int mi_row, int mi_col, | 
|  | const MV_REFERENCE_FRAME rf[2], int col_offset, CANDIDATE_MV *ref_mv_stack, | 
|  | uint16_t *ref_mv_weight, uint8_t *refmv_count, uint8_t *ref_match_count, | 
|  | uint8_t *newmv_count, int_mv *gm_mv_candidates, int max_col_offset, | 
|  | #if CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | MV_REFERENCE_FRAME *ref_frame_idx0, MV_REFERENCE_FRAME *ref_frame_idx1, | 
|  | #endif  // CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | #if CONFIG_MVP_IMPROVEMENT | 
|  | int add_more_mvs, SINGLE_MV_CANDIDATE *single_mv, uint8_t *single_mv_count, | 
|  | CANDIDATE_MV *derived_mv_stack, uint16_t *derived_mv_weight, | 
|  | uint8_t *derived_mv_count, | 
|  | #endif  // CONFIG_MVP_IMPROVEMENT | 
|  | WARP_CANDIDATE warp_param_stack[MAX_WARP_REF_CANDIDATES], | 
|  | int max_num_of_warp_candidates, uint8_t *valid_num_warp_candidates, | 
|  | MV_REFERENCE_FRAME ref_frame, int *processed_cols) { | 
|  | int end_mi = AOMMIN(xd->height, cm->mi_params.mi_rows - mi_row); | 
|  | end_mi = AOMMIN(end_mi, mi_size_high[BLOCK_64X64]); | 
|  | const int n8_h_8 = mi_size_high[BLOCK_8X8]; | 
|  | const int n8_h_16 = mi_size_high[BLOCK_16X16]; | 
|  | int i; | 
|  | MvSubpelPrecision precision = cm->features.fr_mv_precision; | 
|  | int row_offset = 0; | 
|  | if (abs(col_offset) > 1) { | 
|  | row_offset = 1; | 
|  | if ((mi_row & 0x01) && xd->height < n8_h_8) --row_offset; | 
|  | } | 
|  | const int use_step_16 = (xd->height >= 16); | 
|  |  | 
|  | for (i = 0; i < end_mi;) { | 
|  | if (xd->mi_row + row_offset + i >= cm->mi_params.mi_rows) break; | 
|  | const int sb_mi_size = mi_size_wide[cm->sb_size]; | 
|  | const int mask_row = mi_row & (sb_mi_size - 1); | 
|  | const int mask_col = mi_col & (sb_mi_size - 1); | 
|  | const int ref_mask_row = mask_row + row_offset + i; | 
|  | const int ref_mask_col = mask_col + col_offset; | 
|  | if (ref_mask_col >= 0) { | 
|  | if (ref_mask_row >= sb_mi_size) break; | 
|  | const int ref_offset = | 
|  | ref_mask_row * xd->is_mi_coded_stride + ref_mask_col; | 
|  | if (!xd->is_mi_coded[0][ref_offset]) break; | 
|  | } | 
|  | const MB_MODE_INFO *const candidate = | 
|  | xd->mi[(row_offset + i) * xd->mi_stride + col_offset]; | 
|  | assert(candidate != NULL); | 
|  | #if CONFIG_C071_SUBBLK_WARPMV | 
|  | const SUBMB_INFO *const submi = | 
|  | xd->submi[(row_offset + i) * xd->mi_stride + col_offset]; | 
|  | #endif  // CONFIG_C071_SUBBLK_WARPMV | 
|  | const int candidate_bsize = | 
|  | candidate->sb_type[xd->tree_type == CHROMA_PART]; | 
|  | const int n4_h = mi_size_high[candidate_bsize]; | 
|  | int len = AOMMIN(xd->height, n4_h); | 
|  | if (use_step_16) | 
|  | len = AOMMAX(n8_h_16, len); | 
|  | else if (abs(col_offset) > 1) | 
|  | len = AOMMAX(len, n8_h_8); | 
|  |  | 
|  | #if CONFIG_MVP_IMPROVEMENT | 
|  | // Don't add weight to col_offset < -1 which is in the outer area | 
|  | uint16_t weight = | 
|  | col_offset < -1 ? OTHER_SMVP_WEIGHT : ADJACENT_SMVP_WEIGHT; | 
|  | #else | 
|  | int weight = 2; | 
|  | #endif | 
|  | if (xd->height >= n8_h_8 && xd->height <= n4_h) { | 
|  | int inc = AOMMIN(-max_col_offset + col_offset + 1, | 
|  | mi_size_wide[candidate_bsize]); | 
|  | #if !CONFIG_MVP_IMPROVEMENT | 
|  | // Obtain range used in weight calculation. | 
|  | weight = AOMMAX(weight, inc); | 
|  | #endif | 
|  | // Update processed cols. | 
|  | *processed_cols = inc - col_offset - 1; | 
|  | } | 
|  |  | 
|  | const int cand_mi_row = xd->mi_row + row_offset + i; | 
|  | const int cand_mi_col = xd->mi_col + col_offset; | 
|  |  | 
|  | if (warp_param_stack && valid_num_warp_candidates && | 
|  | max_num_of_warp_candidates && (col_offset == -1)) { | 
|  | check_this_warp_candidate(cm, candidate, warp_param_stack, ref_frame, | 
|  | max_num_of_warp_candidates, | 
|  | valid_num_warp_candidates, PROJ_SPATIAL); | 
|  | } | 
|  |  | 
|  | add_ref_mv_candidate( | 
|  | #if !CONFIG_MVP_IMPROVEMENT | 
|  | cm, | 
|  | #endif  // !CONFIG_MVP_IMPROVEMENT | 
|  | mi_row, mi_col, cand_mi_row, cand_mi_col, candidate, | 
|  | #if CONFIG_C071_SUBBLK_WARPMV | 
|  | submi, | 
|  | #endif  // CONFIG_C071_SUBBLK_WARPMV | 
|  | rf, refmv_count, ref_match_count, newmv_count, ref_mv_stack, | 
|  | ref_mv_weight, gm_mv_candidates, cm->global_motion, | 
|  | #if CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | xd->mi[0], ref_frame_idx0, ref_frame_idx1, | 
|  | #endif  // CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | #if CONFIG_MVP_IMPROVEMENT | 
|  | cm, add_more_mvs, single_mv, single_mv_count, derived_mv_stack, | 
|  | derived_mv_weight, derived_mv_count, | 
|  | #endif  // CONFIG_MVP_IMPROVEMENT | 
|  | #if CONFIG_IBC_SR_EXT | 
|  | xd->mi[0]->use_intrabc[xd->tree_type == CHROMA_PART], | 
|  | #endif  // CONFIG_IBC_SR_EXT | 
|  | row_offset + i, col_offset, len * weight, precision | 
|  |  | 
|  | ); | 
|  | i += len; | 
|  | } | 
|  | } | 
|  | #endif  // !CONFIG_MVP_SIMPLIFY | 
|  |  | 
|  | #if CONFIG_C076_INTER_MOD_CTX | 
|  | static AOM_INLINE void scan_blk_mbmi_ctx( | 
|  | const AV1_COMMON *cm, const MACROBLOCKD *xd, const int mi_row, | 
|  | const int mi_col, const MV_REFERENCE_FRAME rf[2], int row_offset, | 
|  | int col_offset, uint8_t *ref_match_count, uint8_t *newmv_count) { | 
|  | const TileInfo *const tile = &xd->tile; | 
|  | POSITION mi_pos; | 
|  |  | 
|  | mi_pos.row = row_offset; | 
|  | mi_pos.col = col_offset; | 
|  | if (is_inside(tile, mi_col, mi_row, &mi_pos)) { | 
|  | const MB_MODE_INFO *const candidate = | 
|  | xd->mi[mi_pos.row * xd->mi_stride + mi_pos.col]; | 
|  | add_ref_mv_candidate_ctx(candidate, ref_match_count, newmv_count, cm, rf, | 
|  | xd->mi[0]); | 
|  | } | 
|  | } | 
|  | #endif  // CONFIG_C076_INTER_MOD_CTX | 
|  |  | 
|  | static AOM_INLINE void scan_blk_mbmi( | 
|  | const AV1_COMMON *cm, const MACROBLOCKD *xd, const int mi_row, | 
|  | const int mi_col, const MV_REFERENCE_FRAME rf[2], int row_offset, | 
|  | int col_offset, CANDIDATE_MV *ref_mv_stack, uint16_t *ref_mv_weight, | 
|  | uint8_t *ref_match_count, uint8_t *newmv_count, int_mv *gm_mv_candidates, | 
|  | #if CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | MV_REFERENCE_FRAME *ref_frame_idx0, MV_REFERENCE_FRAME *ref_frame_idx1, | 
|  | #endif  // CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | #if CONFIG_MVP_IMPROVEMENT | 
|  | int add_more_mvs, SINGLE_MV_CANDIDATE *single_mv, uint8_t *single_mv_count, | 
|  | CANDIDATE_MV *derived_mv_stack, uint16_t *derived_mv_weight, | 
|  | uint8_t *derived_mv_count, | 
|  | #endif  // CONFIG_MVP_IMPROVEMENT | 
|  | WARP_CANDIDATE warp_param_stack[MAX_WARP_REF_CANDIDATES], | 
|  | int max_num_of_warp_candidates, uint8_t *valid_num_warp_candidates, | 
|  | MV_REFERENCE_FRAME ref_frame, uint8_t *refmv_count) { | 
|  |  | 
|  | #if CONFIG_CWG_E099_DRL_WRL_SIMPLIFY | 
|  | if (*refmv_count >= MAX_REF_MV_STACK_SIZE) return; | 
|  | #endif  // CONFIG_CWG_E099_DRL_WRL_SIMPLIFY | 
|  |  | 
|  | const TileInfo *const tile = &xd->tile; | 
|  | POSITION mi_pos; | 
|  |  | 
|  | mi_pos.row = row_offset; | 
|  | mi_pos.col = col_offset; | 
|  | MvSubpelPrecision precision = cm->features.fr_mv_precision; | 
|  |  | 
|  | if (is_inside(tile, mi_col, mi_row, &mi_pos)) { | 
|  | const MB_MODE_INFO *const candidate = | 
|  | xd->mi[mi_pos.row * xd->mi_stride + mi_pos.col]; | 
|  | #if CONFIG_C071_SUBBLK_WARPMV | 
|  | const SUBMB_INFO *const submi = | 
|  | xd->submi[mi_pos.row * xd->mi_stride + mi_pos.col]; | 
|  | #endif  // CONFIG_C071_SUBBLK_WARPMV | 
|  | #if !CONFIG_CWG_E099_DRL_WRL_SIMPLIFY | 
|  | const int len = mi_size_wide[BLOCK_8X8]; | 
|  | #endif  // !CONFIG_CWG_E099_DRL_WRL_SIMPLIFY | 
|  |  | 
|  | #if CONFIG_MVP_IMPROVEMENT | 
|  | uint16_t weight = ADJACENT_SMVP_WEIGHT; | 
|  | // Don't add weight to (-1,-1) which is in the outer area | 
|  | if (row_offset == -1 && col_offset == -1) { | 
|  | weight = OTHER_SMVP_WEIGHT; | 
|  | } | 
|  | #if CONFIG_MVP_SIMPLIFY | 
|  | // Don't add weight to col_offset < -1 which is in the outer area | 
|  | if (col_offset < -1) { | 
|  | weight = OTHER_SMVP_WEIGHT; | 
|  | } | 
|  | #endif  // CONFIG_MVP_SIMPLIFY | 
|  | #endif  // CONFIG_MVP_IMPROVEMENT | 
|  |  | 
|  | const int cand_mi_row = xd->mi_row + mi_pos.row; | 
|  | const int cand_mi_col = xd->mi_col + mi_pos.col; | 
|  |  | 
|  | if (warp_param_stack && valid_num_warp_candidates && | 
|  | max_num_of_warp_candidates) { | 
|  | check_this_warp_candidate(cm, candidate, warp_param_stack, ref_frame, | 
|  | max_num_of_warp_candidates, | 
|  | valid_num_warp_candidates, PROJ_SPATIAL); | 
|  | } | 
|  |  | 
|  | add_ref_mv_candidate( | 
|  | #if !CONFIG_MVP_IMPROVEMENT | 
|  | cm, | 
|  | #endif  // !CONFIG_MVP_IMPROVEMENT | 
|  | mi_row, mi_col, cand_mi_row, cand_mi_col, candidate, | 
|  | #if CONFIG_C071_SUBBLK_WARPMV | 
|  | submi, | 
|  | #endif  // CONFIG_C071_SUBBLK_WARPMV | 
|  | rf, refmv_count, ref_match_count, newmv_count, ref_mv_stack, | 
|  | ref_mv_weight, gm_mv_candidates, cm->global_motion, | 
|  | #if CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | xd->mi[0], ref_frame_idx0, ref_frame_idx1, | 
|  | #endif  // CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | #if CONFIG_MVP_IMPROVEMENT | 
|  | cm, add_more_mvs, single_mv, single_mv_count, derived_mv_stack, | 
|  | derived_mv_weight, derived_mv_count, | 
|  | #endif  // CONFIG_MVP_IMPROVEMENT | 
|  | #if CONFIG_IBC_SR_EXT | 
|  | xd->mi[0]->use_intrabc[xd->tree_type == CHROMA_PART], | 
|  | #endif  // CONFIG_IBC_SR_EXT | 
|  | #if CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | xd, | 
|  | #endif  // CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | row_offset, col_offset, | 
|  | #if CONFIG_CWG_E099_DRL_WRL_SIMPLIFY | 
|  | weight | 
|  | #else | 
|  | #if CONFIG_MVP_IMPROVEMENT | 
|  | weight * len | 
|  | #else | 
|  | 2 * len | 
|  | #endif | 
|  | #endif  // CONFIG_CWG_E099_DRL_WRL_SIMPLIFY | 
|  | , | 
|  | precision); | 
|  | }  // Analyze a single 8x8 block motion information. | 
|  | } | 
|  |  | 
|  | static int has_top_right(const AV1_COMMON *cm, const MACROBLOCKD *xd, | 
|  | int mi_row, int mi_col, int n4_w) { | 
|  | const int sb_mi_size = mi_size_wide[cm->sb_size]; | 
|  | const int mask_row = mi_row & (sb_mi_size - 1); | 
|  | const int mask_col = mi_col & (sb_mi_size - 1); | 
|  |  | 
|  | if (n4_w > mi_size_wide[BLOCK_64X64]) return 0; | 
|  |  | 
|  | const int tr_mask_row = mask_row - 1; | 
|  | const int tr_mask_col = mask_col + n4_w; | 
|  | int has_tr; | 
|  |  | 
|  | if (tr_mask_row < 0) { | 
|  | // The top-right block is in a superblock above the current sb row. If it is | 
|  | // in the current tile or a previously coded one, it has been coded. | 
|  | // Otherwise later the tile boundary checker will figure out whether it is | 
|  | // available. | 
|  | has_tr = 1; | 
|  | } else if (tr_mask_col >= sb_mi_size) { | 
|  | // The top-right block is in the superblock on the right side, therefore it | 
|  | // is not coded yet. | 
|  | has_tr = 0; | 
|  | } else { | 
|  | // For a general case, we use is_mi_coded array for the current superblock | 
|  | // to figure out the availability. | 
|  | const int tr_offset = tr_mask_row * xd->is_mi_coded_stride + tr_mask_col; | 
|  |  | 
|  | has_tr = xd->is_mi_coded[av1_get_sdp_idx(xd->tree_type)][tr_offset]; | 
|  | } | 
|  |  | 
|  | return has_tr; | 
|  | } | 
|  |  | 
|  | static int has_bottom_left(const AV1_COMMON *cm, const MACROBLOCKD *xd, | 
|  | int mi_row, int mi_col, int n4_h) { | 
|  | const int sb_mi_size = mi_size_wide[cm->sb_size]; | 
|  | const int mask_row = mi_row & (sb_mi_size - 1); | 
|  | const int mask_col = mi_col & (sb_mi_size - 1); | 
|  |  | 
|  | if (n4_h > mi_size_high[BLOCK_64X64]) return 0; | 
|  |  | 
|  | const int bl_mask_row = mask_row + n4_h; | 
|  | const int bl_mask_col = mask_col - 1; | 
|  |  | 
|  | if (bl_mask_row >= sb_mi_size) { | 
|  | // If the bottom right block is in the superblock row below, then it's not | 
|  | // ready yet | 
|  | // TODO(chiyotsai): Take care of tile boundary | 
|  | return 0; | 
|  | } else if (bl_mask_col < 0) { | 
|  | // The bottom-left block is in a superblock left of the current sb and it is | 
|  | // in the same sb row.  If it in the same tile, then it has been coded. | 
|  | // Otherwise, boundary check will figure out when it's available | 
|  | return 1; | 
|  | } else { | 
|  | // For a general case, we use is_mi_coded array for the current superblock | 
|  | // to figure out the availability. | 
|  | const int bl_offset = bl_mask_row * xd->is_mi_coded_stride + bl_mask_col; | 
|  |  | 
|  | return xd->is_mi_coded[av1_get_sdp_idx(xd->tree_type)][bl_offset]; | 
|  | } | 
|  | } | 
|  |  | 
|  | #if !CONFIG_MVP_IMPROVEMENT | 
|  | static int check_sb_border(const int mi_row, const int mi_col, | 
|  | const int row_offset, const int col_offset) { | 
|  | const int sb_mi_size = mi_size_wide[BLOCK_64X64]; | 
|  | const int row = mi_row & (sb_mi_size - 1); | 
|  | const int col = mi_col & (sb_mi_size - 1); | 
|  |  | 
|  | if (row + row_offset < 0 || row + row_offset >= sb_mi_size || | 
|  | col + col_offset < 0 || col + col_offset >= sb_mi_size) | 
|  | return 0; | 
|  |  | 
|  | return 1; | 
|  | } | 
|  | #endif  // !CONFIG_MVP_IMPROVEMENT | 
|  |  | 
|  | static AOM_INLINE int compute_cur_to_ref_dist(const AV1_COMMON *cm, | 
|  | MV_REFERENCE_FRAME ref_frame) { | 
|  | #if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | const int cur_frame_index = cm->cur_frame->display_order_hint; | 
|  | #else | 
|  | const int cur_frame_index = cm->cur_frame->order_hint; | 
|  | #endif  // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | const RefCntBuffer *const buf = get_ref_frame_buf(cm, ref_frame); | 
|  | #if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | const int frame_index = buf->display_order_hint; | 
|  | #else | 
|  | const int frame_index = buf->order_hint; | 
|  | #endif  // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | const int cur_ref_offset = get_relative_dist(&cm->seq_params.order_hint_info, | 
|  | cur_frame_index, frame_index); | 
|  | return cur_ref_offset; | 
|  | } | 
|  |  | 
|  | static int add_tpl_ref_mv(const AV1_COMMON *cm, const MACROBLOCKD *xd, | 
|  | int mi_row, int mi_col, MV_REFERENCE_FRAME ref_frame, | 
|  | int blk_row, int blk_col | 
|  | #if !CONFIG_C076_INTER_MOD_CTX | 
|  | , | 
|  | int_mv *gm_mv_candidates | 
|  | #endif  // !CONFIG_C076_INTER_MOD_CTX | 
|  | , | 
|  | uint8_t *const refmv_count, | 
|  | #if CONFIG_MVP_IMPROVEMENT | 
|  | int *added_tmvp_cnt, | 
|  | #endif  // CONFIG_MVP_IMPROVEMENT | 
|  | CANDIDATE_MV ref_mv_stack[MAX_REF_MV_STACK_SIZE], | 
|  | uint16_t ref_mv_weight[MAX_REF_MV_STACK_SIZE] | 
|  | #if CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | , | 
|  | MV_REFERENCE_FRAME *ref_frame_idx0, | 
|  | MV_REFERENCE_FRAME *ref_frame_idx1 | 
|  | #endif  // CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | #if !CONFIG_C076_INTER_MOD_CTX | 
|  | , | 
|  | int16_t *mode_context | 
|  | #endif  // !CONFIG_C076_INTER_MOD_CTX | 
|  | ) { | 
|  | #if CONFIG_CWG_E099_DRL_WRL_SIMPLIFY | 
|  | if (*refmv_count >= MAX_REF_MV_STACK_SIZE) return 0; | 
|  | #endif  // CONFIG_CWG_E099_DRL_WRL_SIMPLIFY | 
|  |  | 
|  | POSITION mi_pos; | 
|  | mi_pos.row = (mi_row & 0x01) ? blk_row : blk_row + 1; | 
|  | mi_pos.col = (mi_col & 0x01) ? blk_col : blk_col + 1; | 
|  |  | 
|  | if (!is_inside(&xd->tile, mi_col, mi_row, &mi_pos)) return 0; | 
|  |  | 
|  | const int tpl_row = ((mi_row + mi_pos.row) >> TMVP_SHIFT_BITS); | 
|  | const int tpl_col = ((mi_col + mi_pos.col) >> TMVP_SHIFT_BITS); | 
|  | const int tpl_stride = | 
|  | ROUND_POWER_OF_TWO(cm->mi_params.mi_cols, TMVP_SHIFT_BITS); | 
|  | const TPL_MV_REF *prev_frame_mvs = | 
|  | cm->tpl_mvs + tpl_row * tpl_stride + tpl_col; | 
|  |  | 
|  | #if !CONFIG_MV_TRAJECTORY | 
|  | if (prev_frame_mvs->mfmv0.as_int == INVALID_MV) return 0; | 
|  | #endif  // !CONFIG_MV_TRAJECTORY | 
|  |  | 
|  | MV_REFERENCE_FRAME rf[2]; | 
|  | av1_set_ref_frame(rf, ref_frame); | 
|  |  | 
|  | if (is_tip_ref_frame(rf[0])) { | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | #if CONFIG_MV_TRAJECTORY | 
|  | const int tpl_mv_offset = tpl_row * tpl_stride + tpl_col; | 
|  | bool linear_available = prev_frame_mvs->mfmv0.as_int != INVALID_MV; | 
|  | bool mvtj_available[2] = { true, true }; | 
|  | if ( | 
|  | #if CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  | !cm->seq_params.enable_mv_traj || | 
|  | #endif  // CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  | rf[0] == NONE_FRAME || rf[0] >= cm->ref_frames_info.num_total_refs || | 
|  | cm->id_offset_map[rf[0]][tpl_mv_offset].as_int == INVALID_MV) { | 
|  | mvtj_available[0] = false; | 
|  | } | 
|  | if ( | 
|  | #if CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  | !cm->seq_params.enable_mv_traj || | 
|  | #endif  // CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  | rf[1] == NONE_FRAME || rf[1] >= cm->ref_frames_info.num_total_refs || | 
|  | cm->id_offset_map[rf[1]][tpl_mv_offset].as_int == INVALID_MV) { | 
|  | mvtj_available[1] = false; | 
|  | } | 
|  | bool mvtj_ok = rf[1] == NONE_FRAME ? mvtj_available[0] | 
|  | : mvtj_available[0] && mvtj_available[1]; | 
|  | if (!linear_available && !mvtj_ok) return 0; | 
|  | #endif  // CONFIG_MV_TRAJECTORY | 
|  |  | 
|  | #if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | const int cur_frame_index = cm->cur_frame->display_order_hint; | 
|  | #else | 
|  | const int cur_frame_index = cm->cur_frame->order_hint; | 
|  | #endif  // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | const RefCntBuffer *const buf_0 = get_ref_frame_buf(cm, rf[0]); | 
|  | #if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | const int frame0_index = buf_0->display_order_hint; | 
|  | #else | 
|  | const int frame0_index = buf_0->order_hint; | 
|  | #endif  // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | const int cur_offset_0 = get_relative_dist(&cm->seq_params.order_hint_info, | 
|  | cur_frame_index, frame0_index); | 
|  | int idx; | 
|  | #if !CONFIG_C071_SUBBLK_WARPMV | 
|  | const MvSubpelPrecision fr_mv_precision = cm->features.fr_mv_precision; | 
|  | #endif  // !CONFIG_C071_SUBBLK_WARPMV | 
|  |  | 
|  | int_mv this_refmv; | 
|  | #if CONFIG_MV_TRAJECTORY | 
|  | if (mvtj_available[0]) { | 
|  | this_refmv = cm->id_offset_map[rf[0]][tpl_mv_offset]; | 
|  | } else { | 
|  | assert(linear_available); | 
|  | get_mv_projection(&this_refmv.as_mv, prev_frame_mvs->mfmv0.as_mv, | 
|  | cur_offset_0, prev_frame_mvs->ref_frame_offset); | 
|  | } | 
|  | #else | 
|  | get_mv_projection(&this_refmv.as_mv, prev_frame_mvs->mfmv0.as_mv, | 
|  | cur_offset_0, prev_frame_mvs->ref_frame_offset); | 
|  | #endif  // CONFIG_MV_TRAJECTORY | 
|  | #if !CONFIG_C071_SUBBLK_WARPMV | 
|  | lower_mv_precision(&this_refmv.as_mv, fr_mv_precision); | 
|  | #endif  // !CONFIG_C071_SUBBLK_WARPMV | 
|  |  | 
|  | uint16_t weight = TMVP_WEIGHT; | 
|  |  | 
|  | if (rf[1] == NONE_FRAME) { | 
|  | #if CONFIG_TMVP_IMPROVE | 
|  | if (abs(cur_offset_0) <= 2) { | 
|  | weight = HIGH_PRIORITY_TMVP_WEIGHT; | 
|  | } | 
|  | #endif  // CONFIG_TMVP_IMPROVE | 
|  |  | 
|  | #if !CONFIG_C076_INTER_MOD_CTX | 
|  | if (blk_row == 0 && blk_col == 0) { | 
|  | if (abs(this_refmv.as_mv.row - gm_mv_candidates[0].as_mv.row) >= 16 || | 
|  | abs(this_refmv.as_mv.col - gm_mv_candidates[0].as_mv.col) >= 16) | 
|  | mode_context[ref_frame] |= (1 << GLOBALMV_OFFSET); | 
|  | } | 
|  | #endif  // !CONFIG_C076_INTER_MOD_CTX | 
|  |  | 
|  | #if CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | assert(!xd->mi[0]->skip_mode); | 
|  | #endif  // CONFIG_SKIP_MODE_ENHANCEMENT | 
|  |  | 
|  | for (idx = 0; idx < *refmv_count; ++idx) | 
|  | if (this_refmv.as_int == ref_mv_stack[idx].this_mv.as_int) break; | 
|  |  | 
|  | if (idx < *refmv_count) ref_mv_weight[idx] += weight; | 
|  |  | 
|  | if (idx == *refmv_count && *refmv_count < MAX_REF_MV_STACK_SIZE) { | 
|  | ref_mv_stack[idx].this_mv.as_int = this_refmv.as_int; | 
|  | ref_mv_stack[idx].row_offset = OFFSET_NONSPATIAL; | 
|  | ref_mv_stack[idx].col_offset = OFFSET_NONSPATIAL; | 
|  | ref_mv_stack[idx].cwp_idx = CWP_EQUAL; | 
|  | ref_mv_weight[idx] = weight; | 
|  | ++(*refmv_count); | 
|  | #if CONFIG_MVP_IMPROVEMENT | 
|  | ++(*added_tmvp_cnt); | 
|  | #endif  // CONFIG_MVP_IMPROVEMENT | 
|  | } | 
|  | } else { | 
|  | // Process compound inter mode | 
|  | int_mv comp_refmv; | 
|  | #if CONFIG_MV_TRAJECTORY | 
|  | if (mvtj_available[1]) { | 
|  | comp_refmv = cm->id_offset_map[rf[1]][tpl_mv_offset]; | 
|  | } else { | 
|  | assert(linear_available); | 
|  | const RefCntBuffer *const buf_1 = get_ref_frame_buf(cm, rf[1]); | 
|  | #if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | const int frame1_index = buf_1->display_order_hint; | 
|  | #else | 
|  | const int frame1_index = buf_1->order_hint; | 
|  | #endif  // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | const int cur_offset_1 = get_relative_dist( | 
|  | &cm->seq_params.order_hint_info, cur_frame_index, frame1_index); | 
|  | get_mv_projection(&comp_refmv.as_mv, prev_frame_mvs->mfmv0.as_mv, | 
|  | cur_offset_1, prev_frame_mvs->ref_frame_offset); | 
|  | } | 
|  | #else | 
|  | const RefCntBuffer *const buf_1 = get_ref_frame_buf(cm, rf[1]); | 
|  | #if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | const int frame1_index = buf_1->display_order_hint; | 
|  | #else | 
|  | const int frame1_index = buf_1->order_hint; | 
|  | #endif  // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | const int cur_offset_1 = get_relative_dist(&cm->seq_params.order_hint_info, | 
|  | cur_frame_index, frame1_index); | 
|  | get_mv_projection(&comp_refmv.as_mv, prev_frame_mvs->mfmv0.as_mv, | 
|  | cur_offset_1, prev_frame_mvs->ref_frame_offset); | 
|  | #endif  // CONFIG_MV_TRAJECTORY | 
|  | #if !CONFIG_C071_SUBBLK_WARPMV | 
|  | lower_mv_precision(&comp_refmv.as_mv, fr_mv_precision); | 
|  | #endif  // !CONFIG_C071_SUBBLK_WARPMV | 
|  |  | 
|  | #if !CONFIG_C076_INTER_MOD_CTX | 
|  | if (blk_row == 0 && blk_col == 0) { | 
|  | if (abs(this_refmv.as_mv.row - gm_mv_candidates[0].as_mv.row) >= 16 || | 
|  | abs(this_refmv.as_mv.col - gm_mv_candidates[0].as_mv.col) >= 16 || | 
|  | abs(comp_refmv.as_mv.row - gm_mv_candidates[1].as_mv.row) >= 16 || | 
|  | abs(comp_refmv.as_mv.col - gm_mv_candidates[1].as_mv.col) >= 16) | 
|  | mode_context[ref_frame] |= (1 << GLOBALMV_OFFSET); | 
|  | } | 
|  | #endif  // !CONFIG_C076_INTER_MOD_CTX | 
|  |  | 
|  | #if CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | if (xd->mi[0]->skip_mode) { | 
|  | for (idx = 0; idx < *refmv_count; ++idx) { | 
|  | if (this_refmv.as_int == ref_mv_stack[idx].this_mv.as_int && | 
|  | comp_refmv.as_int == ref_mv_stack[idx].comp_mv.as_int && | 
|  | ref_frame_idx0[idx] == rf[0] && ref_frame_idx1[idx] == rf[1]) | 
|  | break; | 
|  | } | 
|  |  | 
|  | if (idx < *refmv_count) ref_mv_weight[idx] += weight; | 
|  |  | 
|  | if (idx == *refmv_count && *refmv_count < MAX_REF_MV_STACK_SIZE) { | 
|  | ref_mv_stack[idx].this_mv.as_int = this_refmv.as_int; | 
|  | ref_mv_stack[idx].comp_mv.as_int = comp_refmv.as_int; | 
|  | ref_mv_stack[idx].cwp_idx = CWP_EQUAL; | 
|  | ref_frame_idx0[idx] = rf[0]; | 
|  | ref_frame_idx1[idx] = rf[1]; | 
|  | ref_mv_weight[idx] = weight; | 
|  | ++(*refmv_count); | 
|  | #if CONFIG_MVP_IMPROVEMENT | 
|  | ++(*added_tmvp_cnt); | 
|  | #endif  // CONFIG_MVP_IMPROVEMENT | 
|  | } | 
|  | } else { | 
|  | #endif  // CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | for (idx = 0; idx < *refmv_count; ++idx) { | 
|  | if (this_refmv.as_int == ref_mv_stack[idx].this_mv.as_int && | 
|  | comp_refmv.as_int == ref_mv_stack[idx].comp_mv.as_int) | 
|  | break; | 
|  | } | 
|  |  | 
|  | if (idx < *refmv_count) ref_mv_weight[idx] += weight; | 
|  |  | 
|  | if (idx == *refmv_count && *refmv_count < MAX_REF_MV_STACK_SIZE) { | 
|  | ref_mv_stack[idx].this_mv.as_int = this_refmv.as_int; | 
|  | ref_mv_stack[idx].comp_mv.as_int = comp_refmv.as_int; | 
|  | ref_mv_stack[idx].row_offset = OFFSET_NONSPATIAL; | 
|  | ref_mv_stack[idx].col_offset = OFFSET_NONSPATIAL; | 
|  | ref_mv_stack[idx].cwp_idx = CWP_EQUAL; | 
|  | ref_mv_weight[idx] = weight; | 
|  | ++(*refmv_count); | 
|  | #if CONFIG_MVP_IMPROVEMENT | 
|  | ++(*added_tmvp_cnt); | 
|  | #endif  // CONFIG_MVP_IMPROVEMENT | 
|  | } | 
|  | #if CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | } | 
|  | #endif  // CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | } | 
|  |  | 
|  | return 1; | 
|  | } | 
|  |  | 
|  | #if !CONFIG_MVP_SIMPLIFY | 
|  | static AOM_INLINE void process_compound_ref_mv_candidate( | 
|  | const MB_MODE_INFO *const candidate, | 
|  | #if CONFIG_C071_SUBBLK_WARPMV | 
|  | const SUBMB_INFO *const submi, | 
|  | #endif  // CONFIG_C071_SUBBLK_WARPMV | 
|  | const AV1_COMMON *const cm, const MV_REFERENCE_FRAME *const rf, | 
|  | int_mv ref_id[2][2], int ref_id_count[2], int_mv ref_diff[2][2], | 
|  | int ref_diff_count[2]) { | 
|  | for (int rf_idx = 0; rf_idx < 2; ++rf_idx) { | 
|  | MV_REFERENCE_FRAME can_rf = candidate->ref_frame[rf_idx]; | 
|  |  | 
|  | for (int cmp_idx = 0; cmp_idx < 2; ++cmp_idx) { | 
|  | if (can_rf == rf[cmp_idx] && ref_id_count[cmp_idx] < 2) { | 
|  | ref_id[cmp_idx][ref_id_count[cmp_idx]] = | 
|  | #if CONFIG_C071_SUBBLK_WARPMV | 
|  | is_warp_mode(candidate->motion_mode) ? submi->mv[rf_idx] : | 
|  | #endif  // CONFIG_C071_SUBBLK_WARPMV | 
|  | candidate->mv[rf_idx]; | 
|  | ++ref_id_count[cmp_idx]; | 
|  | } else if (is_inter_ref_frame(can_rf) && !is_tip_ref_frame(can_rf) && | 
|  | ref_diff_count[cmp_idx] < 2) { | 
|  | int_mv this_mv = | 
|  | #if CONFIG_C071_SUBBLK_WARPMV | 
|  | is_warp_mode(candidate->motion_mode) ? submi->mv[rf_idx] : | 
|  | #endif  // CONFIG_C071_SUBBLK_WARPMV | 
|  | candidate->mv[rf_idx]; | 
|  | if (cm->ref_frame_sign_bias[can_rf] != | 
|  | cm->ref_frame_sign_bias[rf[cmp_idx]]) { | 
|  | this_mv.as_mv.row = -this_mv.as_mv.row; | 
|  | this_mv.as_mv.col = -this_mv.as_mv.col; | 
|  | } | 
|  | ref_diff[cmp_idx][ref_diff_count[cmp_idx]] = this_mv; | 
|  | ++ref_diff_count[cmp_idx]; | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | static AOM_INLINE void process_single_ref_mv_candidate( | 
|  | const MB_MODE_INFO *const candidate, | 
|  | #if CONFIG_C071_SUBBLK_WARPMV | 
|  | const SUBMB_INFO *const submi, | 
|  | #endif  // CONFIG_C071_SUBBLK_WARPMV | 
|  | const AV1_COMMON *const cm, MV_REFERENCE_FRAME ref_frame, | 
|  | uint8_t *const refmv_count, | 
|  | CANDIDATE_MV ref_mv_stack[MAX_REF_MV_STACK_SIZE], | 
|  | uint16_t ref_mv_weight[MAX_REF_MV_STACK_SIZE]) { | 
|  |  | 
|  | if (is_tip_ref_frame(ref_frame)) return; | 
|  |  | 
|  | for (int rf_idx = 0; rf_idx < 2; ++rf_idx) { | 
|  | if (is_inter_ref_frame(candidate->ref_frame[rf_idx]) && | 
|  | !is_tip_ref_frame(candidate->ref_frame[rf_idx])) { | 
|  | int_mv this_mv = | 
|  | #if CONFIG_C071_SUBBLK_WARPMV | 
|  | is_warp_mode(candidate->motion_mode) ? submi->mv[rf_idx] : | 
|  | #endif  // CONFIG_C071_SUBBLK_WARPMV | 
|  | candidate->mv[rf_idx]; | 
|  | if (cm->ref_frame_sign_bias[candidate->ref_frame[rf_idx]] != | 
|  | cm->ref_frame_sign_bias[ref_frame]) { | 
|  | this_mv.as_mv.row = -this_mv.as_mv.row; | 
|  | this_mv.as_mv.col = -this_mv.as_mv.col; | 
|  | } | 
|  | int stack_idx; | 
|  | for (stack_idx = 0; stack_idx < *refmv_count; ++stack_idx) { | 
|  | const int_mv stack_mv = ref_mv_stack[stack_idx].this_mv; | 
|  | if (this_mv.as_int == stack_mv.as_int) break; | 
|  | } | 
|  |  | 
|  | if (stack_idx == *refmv_count) { | 
|  | ref_mv_stack[stack_idx].this_mv = this_mv; | 
|  | ref_mv_stack[stack_idx].row_offset = OFFSET_NONSPATIAL; | 
|  | ref_mv_stack[stack_idx].col_offset = OFFSET_NONSPATIAL; | 
|  | ref_mv_stack[stack_idx].cwp_idx = candidate->cwp_idx; | 
|  |  | 
|  | // TODO(jingning): Set an arbitrary small number here. The weight | 
|  | // doesn't matter as long as it is properly initialized. | 
|  | #if CONFIG_CWG_E099_DRL_WRL_SIMPLIFY | 
|  | ref_mv_weight[stack_idx] = 0; | 
|  | #else | 
|  | ref_mv_weight[stack_idx] = 2; | 
|  | #endif  // CONFIG_CWG_E099_DRL_WRL_SIMPLIFY | 
|  | ++(*refmv_count); | 
|  | if (*refmv_count >= MAX_MV_REF_CANDIDATES) return; | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | #endif  // !CONFIG_MVP_SIMPLIFY | 
|  |  | 
|  | #if CONFIG_LC_REF_MV_BANK | 
|  | // This function determines which refmv bank list should be used for the | 
|  | // given input reference frame. | 
|  | // In total, 9 refmv bank lists are required: | 
|  | // 1) Single inter with reference frames 0~5, each has its own refmv bank list. | 
|  | // 2) Compound inter with reference frame pairs [0, 0] and [0, 1], | 
|  | //    each has its own refmv bank list. | 
|  | // 3) All remaining inter predictions share a single refmv bank list. | 
|  | static AOM_INLINE int get_rmb_list_index(const MV_REFERENCE_FRAME ref_frame) { | 
|  | MV_REFERENCE_FRAME rf[2]; | 
|  | av1_set_ref_frame(rf, ref_frame); | 
|  |  | 
|  | if (rf[0] == 0 && rf[1] == NONE_FRAME) { | 
|  | return 0; | 
|  | } else if (rf[0] == 1 && rf[1] == NONE_FRAME) { | 
|  | return 1; | 
|  | } else if (rf[0] == 2 && rf[1] == NONE_FRAME) { | 
|  | return 2; | 
|  | } else if (rf[0] == 3 && rf[1] == NONE_FRAME) { | 
|  | return 3; | 
|  | } else if (rf[0] == 4 && rf[1] == NONE_FRAME) { | 
|  | return 4; | 
|  | } else if (rf[0] == 5 && rf[1] == NONE_FRAME) { | 
|  | return 5; | 
|  | } else if (rf[0] == 0 && rf[1] == 0) { | 
|  | return 6; | 
|  | } else if (rf[0] == 0 && rf[1] == 1) { | 
|  | return 7; | 
|  | } else { | 
|  | return 8; | 
|  | } | 
|  | } | 
|  | #endif  // CONFIG_LC_REF_MV_BANK | 
|  |  | 
|  | static AOM_INLINE bool check_rmb_cand( | 
|  | CANDIDATE_MV cand_mv, CANDIDATE_MV *ref_mv_stack, uint16_t *ref_mv_weight, | 
|  | uint8_t *refmv_count, int is_comp, int mi_row, int mi_col, int block_width, | 
|  | int block_height, int frame_width, int frame_height) { | 
|  | // Check if the MV candidate is already existing in the ref MV stack. | 
|  | for (int i = 0; i < *refmv_count; ++i) { | 
|  | if (ref_mv_stack[i].this_mv.as_int == cand_mv.this_mv.as_int && | 
|  | (!is_comp || | 
|  | ref_mv_stack[i].comp_mv.as_int == cand_mv.comp_mv.as_int)) { | 
|  | return false; | 
|  | } | 
|  | } | 
|  |  | 
|  | // Check if the MV candidate is pointing to ref block inside frame boundary. | 
|  | for (int i = 0; i < 1 + is_comp; ++i) { | 
|  | const int mv_row = | 
|  | (i ? cand_mv.comp_mv.as_mv.row : cand_mv.this_mv.as_mv.row) / 8; | 
|  | const int mv_col = | 
|  | (i ? cand_mv.comp_mv.as_mv.col : cand_mv.this_mv.as_mv.col) / 8; | 
|  | const int ref_x = mi_col * MI_SIZE + mv_col; | 
|  | const int ref_y = mi_row * MI_SIZE + mv_row; | 
|  | if (ref_x <= -block_width || ref_y <= -block_height || | 
|  | ref_x >= frame_width || ref_y >= frame_height) { | 
|  | return false; | 
|  | } | 
|  | } | 
|  |  | 
|  | ref_mv_stack[*refmv_count] = cand_mv; | 
|  | ref_mv_weight[*refmv_count] = REF_CAT_LEVEL; | 
|  | ref_mv_stack[*refmv_count].row_offset = OFFSET_NONSPATIAL; | 
|  | ref_mv_stack[*refmv_count].col_offset = OFFSET_NONSPATIAL; | 
|  | ref_mv_stack[*refmv_count].cwp_idx = cand_mv.cwp_idx; | 
|  | ++*refmv_count; | 
|  |  | 
|  | return true; | 
|  | } | 
|  |  | 
|  | #if CONFIG_IBC_BV_IMPROVEMENT | 
|  | // Add a BV candidate to ref MV stack without duplicate check | 
|  | static AOM_INLINE bool add_to_ref_bv_list(CANDIDATE_MV cand_mv, | 
|  | CANDIDATE_MV *ref_mv_stack, | 
|  | uint16_t *ref_mv_weight, | 
|  | uint8_t *refmv_count) { | 
|  | ref_mv_stack[*refmv_count] = cand_mv; | 
|  | ref_mv_weight[*refmv_count] = REF_CAT_LEVEL; | 
|  | ref_mv_stack[*refmv_count].cwp_idx = cand_mv.cwp_idx; | 
|  | ++*refmv_count; | 
|  |  | 
|  | return true; | 
|  | } | 
|  | #endif  // CONFIG_IBC_BV_IMPROVEMENT | 
|  |  | 
|  | static AOM_INLINE void add_tmvp_candidate( | 
|  | const AV1_COMMON *cm, const MACROBLOCKD *xd, MV_REFERENCE_FRAME ref_frame, | 
|  | uint8_t *const refmv_count, | 
|  | CANDIDATE_MV ref_mv_stack[MAX_REF_MV_STACK_SIZE], | 
|  | uint16_t ref_mv_weight[MAX_REF_MV_STACK_SIZE], | 
|  | #if CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | MV_REFERENCE_FRAME *ref_frame_idx0, MV_REFERENCE_FRAME *ref_frame_idx1, | 
|  | #endif  // CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | #if !CONFIG_C076_INTER_MOD_CTX | 
|  | int_mv *gm_mv_candidates, | 
|  | #endif  //! CONFIG_C076_INTER_MOD_CTX | 
|  | int mi_row, int mi_col) { | 
|  | MV_REFERENCE_FRAME rf[2]; | 
|  | av1_set_ref_frame(rf, ref_frame); | 
|  | #if CONFIG_IBC_SR_EXT | 
|  | if (cm->features.allow_ref_frame_mvs && | 
|  | #if CONFIG_D072_SKIP_MODE_IMPROVE | 
|  | (xd->mi[0]->skip_mode || rf[0] != rf[1]) && | 
|  | #endif  // CONFIG_D072_SKIP_MODE_IMPROVE | 
|  | !xd->mi[0]->use_intrabc[xd->tree_type == CHROMA_PART]) { | 
|  | #else | 
|  | if (cm->features.allow_ref_frame_mvs | 
|  | #if CONFIG_D072_SKIP_MODE_IMPROVE | 
|  | && (xd->mi[0]->skip_mode || rf[0] != rf[1]) | 
|  | #endif  // CONFIG_D072_SKIP_MODE_IMPROVE | 
|  | ) { | 
|  | #endif  // CONFIG_IBC_SR_EXT | 
|  | #if !CONFIG_C076_INTER_MOD_CTX | 
|  | int is_available = 0; | 
|  | #endif  //! CONFIG_C076_INTER_MOD_CTX | 
|  | #if !CONFIG_MVP_IMPROVEMENT | 
|  | const int voffset = AOMMAX(mi_size_high[BLOCK_8X8], xd->height); | 
|  | const int hoffset = AOMMAX(mi_size_wide[BLOCK_8X8], xd->width); | 
|  | #endif  // !CONFIG_MVP_IMPROVEMENT | 
|  | const int blk_row_end = AOMMIN(xd->height, mi_size_high[BLOCK_64X64]); | 
|  | const int blk_col_end = AOMMIN(xd->width, mi_size_wide[BLOCK_64X64]); | 
|  | #if !CONFIG_MVP_IMPROVEMENT | 
|  | const int tpl_sample_pos[3][2] = { | 
|  | { voffset, -2 }, | 
|  | { voffset, hoffset }, | 
|  | { voffset - 2, hoffset }, | 
|  | }; | 
|  | const int allow_extension = (xd->height >= mi_size_high[BLOCK_8X8]) && | 
|  | (xd->height < mi_size_high[BLOCK_64X64]) && | 
|  | (xd->width >= mi_size_wide[BLOCK_8X8]) && | 
|  | (xd->width < mi_size_wide[BLOCK_64X64]); | 
|  | #endif  // !CONFIG_MVP_IMPROVEMENT | 
|  |  | 
|  | const int step_h = (xd->height >= mi_size_high[BLOCK_64X64]) | 
|  | ? mi_size_high[BLOCK_16X16] | 
|  | : mi_size_high[BLOCK_8X8]; | 
|  | const int step_w = (xd->width >= mi_size_wide[BLOCK_64X64]) | 
|  | ? mi_size_wide[BLOCK_16X16] | 
|  | : mi_size_wide[BLOCK_8X8]; | 
|  |  | 
|  | #if CONFIG_MVP_IMPROVEMENT | 
|  | int added_tmvp_cnt = 0; | 
|  | #endif  // CONFIG_MVP_IMPROVEMENT | 
|  |  | 
|  | #if CONFIG_MVP_SIMPLIFY | 
|  | const MVP_UNIT_STATUS tmvp_units_status[TMVP_SEARCH_COUNT] = { | 
|  | { blk_row_end >= step_h && blk_col_end >= step_w, blk_row_end - step_h, | 
|  | blk_col_end - step_w }, | 
|  | #if !CONFIG_TMVP_SIMPLIFICATION | 
|  | { blk_col_end >= 2 * step_w, blk_row_end - step_h, 0 }, | 
|  | #endif  // !CONFIG_TMVP_SIMPLIFICATION | 
|  | { (blk_row_end >= 3 * step_h) || (blk_col_end >= 3 * step_w), | 
|  | blk_row_end >> 1, blk_col_end >> 1 }, | 
|  | #if !CONFIG_TMVP_SIMPLIFICATION | 
|  | { blk_row_end >= 2 * step_h, 0, blk_col_end - step_w }, | 
|  | { (blk_row_end >= 2 * step_h) && (blk_col_end >= 2 * step_w), 0, 0 }, | 
|  | #endif  // !CONFIG_TMVP_SIMPLIFICATION | 
|  | }; | 
|  |  | 
|  | for (int iter = 0; iter < TMVP_SEARCH_COUNT; ++iter) { | 
|  | if (added_tmvp_cnt) break; | 
|  | if (tmvp_units_status[iter].is_available) { | 
|  | add_tpl_ref_mv(cm, xd, mi_row, mi_col, ref_frame, | 
|  | tmvp_units_status[iter].row_offset, | 
|  | tmvp_units_status[iter].col_offset | 
|  | #if !CONFIG_C076_INTER_MOD_CTX | 
|  | , | 
|  | gm_mv_candidates | 
|  | #endif  //! CONFIG_C076_INTER_MOD_CTX | 
|  | , | 
|  | refmv_count, | 
|  | #if CONFIG_MVP_IMPROVEMENT | 
|  | &added_tmvp_cnt, | 
|  | #endif  // CONFIG_MVP_IMPROVEMENT | 
|  | ref_mv_stack, ref_mv_weight | 
|  | #if CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | , | 
|  | ref_frame_idx0, ref_frame_idx1 | 
|  | #endif  // CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | #if !CONFIG_C076_INTER_MOD_CTX | 
|  | , | 
|  | mode_context | 
|  | #endif  // !CONFIG_C076_INTER_MOD_CTX | 
|  | ); | 
|  | } | 
|  | } | 
|  | #else | 
|  | #if CONFIG_MVP_IMPROVEMENT | 
|  | // Use reversed horizontal scan order to check TMVP candidates | 
|  | for (int blk_row = blk_row_end - step_h; blk_row >= 0; blk_row -= step_h) { | 
|  | for (int blk_col = blk_col_end - step_w; blk_col >= 0; | 
|  | blk_col -= step_w) { | 
|  | if (added_tmvp_cnt) break; | 
|  | #else | 
|  | for (int blk_row = 0; blk_row < blk_row_end; blk_row += step_h) { | 
|  | for (int blk_col = 0; blk_col < blk_col_end; blk_col += step_w) { | 
|  | #endif  // CONFIG_MVP_IMPROVEMENT | 
|  | #if !CONFIG_C076_INTER_MOD_CTX | 
|  | int ret = | 
|  | #endif  //! CONFIG_C076_INTER_MOD_CTX | 
|  | add_tpl_ref_mv(cm, xd, mi_row, mi_col, ref_frame, blk_row, blk_col | 
|  | #if !CONFIG_C076_INTER_MOD_CTX | 
|  | , | 
|  | gm_mv_candidates | 
|  | #endif  //! CONFIG_C076_INTER_MOD_CTX | 
|  | , | 
|  | refmv_count, | 
|  | #if CONFIG_MVP_IMPROVEMENT | 
|  | &added_tmvp_cnt, | 
|  | #endif  // CONFIG_MVP_IMPROVEMENT | 
|  | ref_mv_stack, ref_mv_weight | 
|  | #if CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | , | 
|  | ref_frame_idx0, ref_frame_idx1 | 
|  | #endif  // CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | #if !CONFIG_C076_INTER_MOD_CTX | 
|  | , | 
|  | mode_context | 
|  | #endif  // !CONFIG_C076_INTER_MOD_CTX | 
|  | ); | 
|  | #if !CONFIG_C076_INTER_MOD_CTX | 
|  | #if CONFIG_MVP_IMPROVEMENT | 
|  | if (added_tmvp_cnt) is_available = ret; | 
|  | #else | 
|  | if (blk_row == 0 && blk_col == 0) is_available = ret; | 
|  | #endif  // CONFIG_MVP_IMPROVEMENT | 
|  | #endif  //! CONFIG_C076_INTER_MOD_CTX | 
|  | } | 
|  | } | 
|  |  | 
|  | #if !CONFIG_C076_INTER_MOD_CTX | 
|  | if (is_available == 0) mode_context[ref_frame] |= (1 << GLOBALMV_OFFSET); | 
|  | #endif  //! CONFIG_C076_INTER_MOD_CTX | 
|  | #if !CONFIG_MVP_IMPROVEMENT | 
|  | for (int i = 0; i < 3 && allow_extension; ++i) { | 
|  | const int blk_row = tpl_sample_pos[i][0]; | 
|  | const int blk_col = tpl_sample_pos[i][1]; | 
|  |  | 
|  | if (!check_sb_border(mi_row, mi_col, blk_row, blk_col)) continue; | 
|  | add_tpl_ref_mv(cm, xd, mi_row, mi_col, ref_frame, blk_row, blk_col, | 
|  | #if !CONFIG_C076_INTER_MOD_CTX | 
|  | gm_mv_candidates, | 
|  | #endif  //! CONFIG_C076_INTER_MOD_CTX | 
|  | refmv_count, ref_mv_stack, ref_mv_weight, | 
|  | #if CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | ref_frame_idx0, | 
|  | ref_frame_idx1 | 
|  | #endif  // CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | #if !CONFIG_C076_INTER_MOD_CTX | 
|  | mode_context | 
|  | #endif  //! CONFIG_C076_INTER_MOD_CTX | 
|  | ); | 
|  | } | 
|  | #endif  // !CONFIG_MVP_IMPROVEMENT | 
|  | #endif  // CONFIG_MVP_SIMPLIFY | 
|  | } | 
|  | } | 
|  |  | 
|  | #if CONFIG_DRL_REORDER_CONTROL | 
|  | // This function determines whether to put TMVP candidate before | 
|  | // adjacent SMVP candidates based on some predefined conditions | 
|  | static AOM_INLINE int assign_tmvp_high_priority(const AV1_COMMON *cm, | 
|  | MV_REFERENCE_FRAME rf[2]) { | 
|  | if (cm->features.allow_ref_frame_mvs == 0 || | 
|  | cm->seq_params.order_hint_info.enable_order_hint == 0) | 
|  | return 0; | 
|  |  | 
|  | if (cm->seq_params.enable_drl_reorder == DRL_REORDER_ALWAYS) return 0; | 
|  |  | 
|  | if (rf[1] == NONE_FRAME && is_inter_ref_frame(rf[0]) && | 
|  | !is_tip_ref_frame(rf[0]) && !cm->has_both_sides_refs) { | 
|  | const int cur_to_ref_offset = abs(compute_cur_to_ref_dist(cm, rf[0])); | 
|  | if (cur_to_ref_offset <= 2) return 1; | 
|  | } | 
|  | return 0; | 
|  | } | 
|  | #endif  // CONFIG_DRL_REORDER_CONTROL | 
|  |  | 
|  | static AOM_INLINE void add_derived_smvp_candidates( | 
|  | const AV1_COMMON *cm, const MACROBLOCKD *xd, MV_REFERENCE_FRAME *rf, | 
|  | MV_REFERENCE_FRAME *ref_frame_idx0, MV_REFERENCE_FRAME *ref_frame_idx1, | 
|  | uint8_t *const refmv_count, | 
|  | CANDIDATE_MV ref_mv_stack[MAX_REF_MV_STACK_SIZE], | 
|  | uint16_t ref_mv_weight[MAX_REF_MV_STACK_SIZE], | 
|  | CANDIDATE_MV derived_mv_stack[MAX_REF_MV_STACK_SIZE], | 
|  | uint8_t derived_mv_count) { | 
|  | #if CONFIG_MVP_IMPROVEMENT | 
|  | const int max_ref_mv_count = | 
|  | #if CONFIG_IBC_BV_IMPROVEMENT && CONFIG_IBC_MAX_DRL | 
|  | xd->mi[0]->use_intrabc[xd->tree_type == CHROMA_PART] | 
|  | ? AOMMIN(cm->features.max_bvp_drl_bits + 1, MAX_REF_BV_STACK_SIZE) | 
|  | : | 
|  | #endif  // CONFIG_IBC_BV_IMPROVEMENT && CONFIG_IBC_MAX_DRL | 
|  | AOMMIN(cm->features.max_drl_bits + 1, MAX_REF_MV_STACK_SIZE); | 
|  | #if CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | if (xd->mi[0]->skip_mode) derived_mv_count = 0; | 
|  | #endif  // CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | if (*refmv_count < max_ref_mv_count && derived_mv_count > 0) { | 
|  | fill_mvp_from_derived_smvp(rf, ref_mv_stack, ref_mv_weight, refmv_count, | 
|  | derived_mv_stack, derived_mv_count, | 
|  | #if CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | xd->mi[0], ref_frame_idx0, ref_frame_idx1, | 
|  | #endif  // CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | max_ref_mv_count); | 
|  | } | 
|  | #endif  // CONFIG_MVP_IMPROVEMENT | 
|  | } | 
|  |  | 
|  | static AOM_INLINE void add_ref_mv_bank_candidates( | 
|  | const AV1_COMMON *cm, const MACROBLOCKD *xd, MV_REFERENCE_FRAME *rf, | 
|  | MV_REFERENCE_FRAME ref_frame, MV_REFERENCE_FRAME *ref_frame_idx0, | 
|  | MV_REFERENCE_FRAME *ref_frame_idx1, uint8_t *const refmv_count, | 
|  | CANDIDATE_MV ref_mv_stack[MAX_REF_MV_STACK_SIZE], | 
|  | uint16_t ref_mv_weight[MAX_REF_MV_STACK_SIZE]) { | 
|  | const int ref_mv_limit = | 
|  | #if CONFIG_IBC_BV_IMPROVEMENT && CONFIG_IBC_MAX_DRL | 
|  | xd->mi[0]->use_intrabc[xd->tree_type == CHROMA_PART] | 
|  | ? AOMMIN(cm->features.max_bvp_drl_bits + 1, MAX_REF_BV_STACK_SIZE) | 
|  | : | 
|  | #endif  // CONFIG_IBC_BV_IMPROVEMENT && CONFIG_IBC_MAX_DRL | 
|  | AOMMIN(cm->features.max_drl_bits + 1, MAX_REF_MV_STACK_SIZE); | 
|  | // If open slots are available, fetch reference MVs from the ref mv banks. | 
|  | if (*refmv_count < ref_mv_limit | 
|  | #if !CONFIG_IBC_BV_IMPROVEMENT | 
|  | && ref_frame != INTRA_FRAME | 
|  | #endif  // CONFIG_IBC_BV_IMPROVEMENT | 
|  | ) { | 
|  | const REF_MV_BANK *ref_mv_bank = &xd->ref_mv_bank; | 
|  | #if CONFIG_LC_REF_MV_BANK | 
|  | const int rmb_list_index = get_rmb_list_index(ref_frame); | 
|  | #else | 
|  | const int rmb_list_index = ref_frame; | 
|  | #endif  // CONFIG_LC_REF_MV_BANK | 
|  | const CANDIDATE_MV *queue = ref_mv_bank->rmb_buffer[rmb_list_index]; | 
|  | #if CONFIG_LC_REF_MV_BANK | 
|  | const MV_REFERENCE_FRAME *rmb_ref_frame = ref_mv_bank->rmb_ref_frame; | 
|  | #endif  // CONFIG_LC_REF_MV_BANK | 
|  | const int count = ref_mv_bank->rmb_count[rmb_list_index]; | 
|  | const int start_idx = ref_mv_bank->rmb_start_idx[rmb_list_index]; | 
|  | const int is_comp = is_inter_ref_frame(rf[1]); | 
|  | const int block_width = xd->width * MI_SIZE; | 
|  | const int block_height = xd->height * MI_SIZE; | 
|  | for (int idx_bank = 0; idx_bank < count && *refmv_count < ref_mv_limit; | 
|  | ++idx_bank) { | 
|  | const int idx = (start_idx + count - 1 - idx_bank) % REF_MV_BANK_SIZE; | 
|  | const CANDIDATE_MV cand_mv = queue[idx]; | 
|  | #if CONFIG_LC_REF_MV_BANK | 
|  | if (rmb_list_index == REF_MV_BANK_LIST_FOR_ALL_OTHERS && | 
|  | rmb_ref_frame[idx] != ref_frame) | 
|  | continue; | 
|  | #endif  // CONFIG_LC_REF_MV_BANK | 
|  | #if CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | bool rmb_candi_exist = | 
|  | #endif  // CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | check_rmb_cand(cand_mv, ref_mv_stack, ref_mv_weight, refmv_count, | 
|  | is_comp, xd->mi_row, xd->mi_col, block_width, | 
|  | block_height, | 
|  | #if CONFIG_F054_PIC_BOUNDARY | 
|  | xd->plane[0].dst.width, xd->plane[0].dst.height | 
|  |  | 
|  | #else | 
|  | cm->width, cm->height | 
|  | #endif  // CONFIG_F054_PIC_BOUNDARY | 
|  | ); | 
|  | #if CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | if (xd->mi[0]->skip_mode && rmb_candi_exist) { | 
|  | ref_frame_idx0[*refmv_count - 1] = rf[0]; | 
|  | ref_frame_idx1[*refmv_count - 1] = rf[1]; | 
|  | } | 
|  | #endif  // CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | #if CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | // Compute the offset between 8x8 aligned spatial neighbor block and mi_col | 
|  | static AOM_INLINE int compute_aligned_offset(int mi_col, int col_offset) { | 
|  | // Around the super-block boundary, align mi_col to 8x8 grid | 
|  | const int aligned_mi_col = (mi_col >> 1) << 1; | 
|  | return aligned_mi_col + col_offset - mi_col; | 
|  | } | 
|  |  | 
|  | // Check if the above spatial neighbor block is within the tile | 
|  | static AOM_INLINE int is_above_smvp_available(const MACROBLOCKD *xd, int mi_col, | 
|  | int col_offset) { | 
|  | if (!xd->up_available) return 0; | 
|  | // Around the super-block boundary, align mi_col to 8x8 grid | 
|  | const int aligned_smvp_mi_col = ((mi_col >> 1) << 1) + col_offset; | 
|  | return aligned_smvp_mi_col >= xd->tile.mi_col_start && | 
|  | aligned_smvp_mi_col < xd->tile.mi_col_end; | 
|  | } | 
|  |  | 
|  | // Compute the availability and the offset of the above row neighbor block | 
|  | static AOM_INLINE void get_row_smvp_states(const AV1_COMMON *cm, | 
|  | const MACROBLOCKD *xd, | 
|  | MVP_UNIT_STATUS row_smvp_state[4]) { | 
|  | const int mi_row = xd->mi_row; | 
|  | const int mi_col = xd->mi_col; | 
|  | const int has_tr = has_top_right(cm, xd, mi_row, mi_col, xd->width); | 
|  |  | 
|  | const int block_width_type = | 
|  | xd->width == 1 ? BLOCK_WIDTH_4 | 
|  | : (xd->width == 2 ? BLOCK_WIDTH_8 : BLOCK_WIDTH_OTHERS); | 
|  | const int is_sb_boundary = (mi_row % cm->mib_size == 0); | 
|  |  | 
|  | const MVP_UNIT_STATUS row_smvp_all_states[2][BLOCK_WIDTH_TYPES][4] = { | 
|  | { | 
|  | // Within the super-block, similar to the existing algorithm, | 
|  | // access to information is allowed for each 4x4 unit. | 
|  | { | 
|  | // Block width is 4 | 
|  | { xd->up_available, -1, (xd->width - 1) }, | 
|  | { 0, -1, 0 }, | 
|  | { has_tr, -1, xd->width }, | 
|  | { xd->up_available && xd->left_available, -1, -1 }, | 
|  | }, | 
|  | { | 
|  | // Block width is 8 | 
|  | { xd->up_available, -1, (xd->width - 1) }, | 
|  | { xd->up_available, -1, 0 }, | 
|  | { has_tr, -1, xd->width }, | 
|  | { xd->up_available && xd->left_available, -1, -1 }, | 
|  | }, | 
|  | { | 
|  | // Block width is no less than 8 | 
|  | { xd->up_available, -1, (xd->width - 1) }, | 
|  | { xd->up_available, -1, 0 }, | 
|  | { has_tr, -1, xd->width }, | 
|  | { xd->up_available && xd->left_available, -1, -1 }, | 
|  | }, | 
|  | }, | 
|  | { | 
|  | // Around the super-block boundary, to reduce the size of the line | 
|  | // buffer, access to information is allowed for each 8x8 unit. The | 
|  | // bottom-left 4x4 block's information is used to represent the entire | 
|  | // 8x8 block. | 
|  | { | 
|  | // Block width is 4 | 
|  | { is_above_smvp_available(xd, mi_col, 0), -1, | 
|  | compute_aligned_offset(mi_col, 0) }, | 
|  | { 0, -1, 0 }, | 
|  | { has_tr && is_above_smvp_available(xd, mi_col, 2), -1, | 
|  | compute_aligned_offset(mi_col, 2) }, | 
|  | { is_above_smvp_available(xd, mi_col, -2), -1, | 
|  | compute_aligned_offset(mi_col, -2) }, | 
|  | }, | 
|  | { | 
|  | // Block width is 8 | 
|  | { is_above_smvp_available(xd, mi_col, 0), -1, | 
|  | compute_aligned_offset(mi_col, 0) }, | 
|  | { 0, -1, 0 }, | 
|  | { has_tr && is_above_smvp_available(xd, mi_col, 2), -1, | 
|  | compute_aligned_offset(mi_col, 2) }, | 
|  | { is_above_smvp_available(xd, mi_col, -2), -1, | 
|  | compute_aligned_offset(mi_col, -2) }, | 
|  | }, | 
|  | { | 
|  | // Block width is no less than 8 | 
|  | { is_above_smvp_available(xd, mi_col, xd->width - 2), -1, | 
|  | compute_aligned_offset(mi_col, xd->width - 2) }, | 
|  | { is_above_smvp_available(xd, mi_col, 0), -1, | 
|  | compute_aligned_offset(mi_col, 0) }, | 
|  | { has_tr && is_above_smvp_available(xd, mi_col, xd->width), -1, | 
|  | compute_aligned_offset(mi_col, xd->width) }, | 
|  | { is_above_smvp_available(xd, mi_col, -2), -1, | 
|  | compute_aligned_offset(mi_col, -2) }, | 
|  | }, | 
|  | } | 
|  | }; | 
|  |  | 
|  | for (int i = 0; i < 4; i++) { | 
|  | row_smvp_state[i] = | 
|  | row_smvp_all_states[is_sb_boundary][block_width_type][i]; | 
|  | } | 
|  | } | 
|  | #endif  // CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  |  | 
|  | // return 1 if valid point is found | 
|  | // return 0 if the point is not valid | 
|  | static AOM_INLINE int fill_warp_corner_projected_point( | 
|  | const MACROBLOCKD *xd, const MB_MODE_INFO *neighbor_mi, | 
|  | MV_REFERENCE_FRAME this_ref, const int pos_col, const int pos_row, int *pts, | 
|  | int *mvs, int *n_points) { | 
|  | // return if the source point is invalid | 
|  | if (pos_col < 0 || pos_row < 0) return 0; | 
|  |  | 
|  | if (!is_inter_ref_frame(neighbor_mi->ref_frame[0])) return 0; | 
|  | if (neighbor_mi->ref_frame[0] != this_ref) return 0; | 
|  | int mv_row; | 
|  | int mv_col; | 
|  | if (is_warp_mode(neighbor_mi->motion_mode)) { | 
|  | int_mv warp_mv = | 
|  | get_warp_motion_vector_xy_pos(xd, &neighbor_mi->wm_params[0], pos_col, | 
|  | pos_row, MV_PRECISION_ONE_EIGHTH_PEL); | 
|  | mv_row = warp_mv.as_mv.row; | 
|  | mv_col = warp_mv.as_mv.col; | 
|  | } else { | 
|  | mv_row = neighbor_mi->mv[0].as_mv.row; | 
|  | mv_col = neighbor_mi->mv[0].as_mv.col; | 
|  | } | 
|  | pts[2 * (*n_points)] = pos_col; | 
|  | pts[2 * (*n_points) + 1] = pos_row; | 
|  | mvs[2 * (*n_points)] = mv_col; | 
|  | mvs[2 * (*n_points) + 1] = mv_row; | 
|  | ++(*n_points); | 
|  | return 1; | 
|  | } | 
|  |  | 
|  | // Check all 3 neighbors to generate projected points | 
|  | static AOM_INLINE int generate_points_from_corners( | 
|  | const MACROBLOCKD *xd, | 
|  | #if CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | MVP_UNIT_STATUS row_smvp_state[4], | 
|  | #endif  // CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | int *pts, int *mvs, int *np, MV_REFERENCE_FRAME ref_frame) { | 
|  | const TileInfo *const tile = &xd->tile; | 
|  | POSITION mi_pos; | 
|  | int valid_points = 0; | 
|  | MV_REFERENCE_FRAME rf[2]; | 
|  | av1_set_ref_frame(rf, ref_frame); | 
|  | MV_REFERENCE_FRAME this_ref = rf[0]; | 
|  | const int bw = xd->width * MI_SIZE; | 
|  | const int bh = xd->height * MI_SIZE; | 
|  |  | 
|  | // top-left | 
|  | mi_pos.row = -1; | 
|  | #if CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | mi_pos.col = row_smvp_state[3].col_offset; | 
|  | #else | 
|  | mi_pos.col = -1; | 
|  | #endif  // CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | if (is_inside(tile, xd->mi_col, xd->mi_row, &mi_pos) && | 
|  | #if CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | row_smvp_state[3].is_available | 
|  | #else | 
|  | xd->up_available && xd->left_available | 
|  | #endif  // CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | ) { | 
|  | const MB_MODE_INFO *neighbor_mi = | 
|  | xd->mi[mi_pos.row * xd->mi_stride + mi_pos.col]; | 
|  | int pos_row = xd->mi_row * MI_SIZE; | 
|  | int pos_col = xd->mi_col * MI_SIZE; | 
|  | int valid = fill_warp_corner_projected_point( | 
|  | xd, neighbor_mi, this_ref, pos_col, pos_row, pts, mvs, np); | 
|  | if (valid) { | 
|  | valid_points++; | 
|  | } | 
|  | } | 
|  |  | 
|  | // top-right | 
|  | mi_pos.row = -1; | 
|  | #if CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | mi_pos.col = row_smvp_state[0].col_offset; | 
|  | #else | 
|  | mi_pos.col = xd->width - 1; | 
|  | #endif  // CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | if (is_inside(tile, xd->mi_col, xd->mi_row, &mi_pos) && | 
|  | #if CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | row_smvp_state[0].is_available | 
|  | #else | 
|  | xd->up_available | 
|  | #endif  // CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | ) { | 
|  | const MB_MODE_INFO *neighbor_mi = | 
|  | xd->mi[mi_pos.row * xd->mi_stride + mi_pos.col]; | 
|  | int pos_row = xd->mi_row * MI_SIZE; | 
|  | int pos_col = xd->mi_col * MI_SIZE + bw; | 
|  | int valid = fill_warp_corner_projected_point( | 
|  | xd, neighbor_mi, this_ref, pos_col, pos_row, pts, mvs, np); | 
|  | if (valid) { | 
|  | valid_points++; | 
|  | } | 
|  | } | 
|  |  | 
|  | // bottom-left | 
|  | mi_pos.row = xd->height - 1; | 
|  | mi_pos.col = -1; | 
|  | if (is_inside(tile, xd->mi_col, xd->mi_row, &mi_pos) && xd->left_available) { | 
|  | const MB_MODE_INFO *neighbor_mi = | 
|  | xd->mi[mi_pos.row * xd->mi_stride + mi_pos.col]; | 
|  | int pos_row = xd->mi_row * MI_SIZE + bh; | 
|  | int pos_col = xd->mi_col * MI_SIZE; | 
|  | int valid = fill_warp_corner_projected_point( | 
|  | xd, neighbor_mi, this_ref, pos_col, pos_row, pts, mvs, np); | 
|  | if (valid) { | 
|  | valid_points++; | 
|  | } | 
|  | } | 
|  |  | 
|  | assert(valid_points <= 3); | 
|  | return valid_points; | 
|  | } | 
|  |  | 
|  | static AOM_INLINE void setup_ref_mv_list( | 
|  | const AV1_COMMON *cm, const MACROBLOCKD *xd, MV_REFERENCE_FRAME ref_frame, | 
|  | uint8_t *const refmv_count, | 
|  | CANDIDATE_MV ref_mv_stack[MAX_REF_MV_STACK_SIZE], | 
|  | uint16_t ref_mv_weight[MAX_REF_MV_STACK_SIZE], | 
|  | #if CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | MV_REFERENCE_FRAME *ref_frame_idx0, MV_REFERENCE_FRAME *ref_frame_idx1, | 
|  | #endif  // CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | int_mv mv_ref_list[MAX_MV_REF_CANDIDATES], int_mv *gm_mv_candidates, | 
|  | int mi_row, int mi_col | 
|  | #if !CONFIG_C076_INTER_MOD_CTX | 
|  | , | 
|  | int16_t *mode_context | 
|  | #endif  //! CONFIG_C076_INTER_MOD_CTX | 
|  | , | 
|  | WARP_CANDIDATE warp_param_stack[MAX_WARP_REF_CANDIDATES], | 
|  | int max_num_of_warp_candidates, uint8_t *valid_num_warp_candidates) { | 
|  | #if !CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | const int has_tr = has_top_right(cm, xd, mi_row, mi_col, xd->width); | 
|  | #endif  // !CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | #if CONFIG_MVP_IMPROVEMENT | 
|  | const int has_bl = has_bottom_left(cm, xd, mi_row, mi_col, xd->height); | 
|  | #endif  // CONFIG_MVP_IMPROVEMENT | 
|  | MV_REFERENCE_FRAME rf[2]; | 
|  |  | 
|  | const TileInfo *const tile = &xd->tile; | 
|  | #if CONFIG_MVP_SIMPLIFY | 
|  | int max_col_offset = 0; | 
|  | #else | 
|  | int max_row_offset = 0, max_col_offset = 0; | 
|  | const int row_adj = (xd->height < mi_size_high[BLOCK_8X8]) && (mi_row & 0x01); | 
|  | #endif  // CONFIG_MVP_SIMPLIFY | 
|  | const int col_adj = (xd->width < mi_size_wide[BLOCK_8X8]) && (mi_col & 0x01); | 
|  | // when CONFIG_MVP_IMPROVEMENT is true, processed_rows does not needed | 
|  | #if !CONFIG_MVP_IMPROVEMENT | 
|  | int processed_rows = 0; | 
|  | #endif  // !CONFIG_MVP_IMPROVEMENT | 
|  | int processed_cols = 0; | 
|  |  | 
|  | av1_set_ref_frame(rf, ref_frame); | 
|  | #if !CONFIG_C076_INTER_MOD_CTX | 
|  | mode_context[ref_frame] = 0; | 
|  | #endif  //! CONFIG_C076_INTER_MOD_CTX | 
|  | *refmv_count = 0; | 
|  |  | 
|  | #if CONFIG_MVP_SIMPLIFY | 
|  | /* | 
|  | * The constuction of the DRL after CWG-E021 was adopted: | 
|  | * | 
|  | * 1) Adjacent SMVP search; up to 9 blocks. | 
|  | * 2) TMVP search; up to 5 blocks. | 
|  | * 3) Non-adjacent SMVP search; up to 3 blocks in 2nd or 3rd column | 
|  | * 4) Find the adjacent SMVP candidate with the maximum weight, then switch | 
|  | *    it to the first place of the DRL. | 
|  | * 4) RefMV bank search. | 
|  | * 5) Derived SMVP search. | 
|  | * 6) Global MV is added if there is space in DRL. | 
|  | * | 
|  | */ | 
|  | #endif  // CONFIG_MVP_SIMPLIFY | 
|  |  | 
|  | for (int k = 0; k < MAX_REF_MV_STACK_SIZE; k++) { | 
|  | ref_mv_stack[k].row_offset = OFFSET_NONSPATIAL; | 
|  | ref_mv_stack[k].col_offset = OFFSET_NONSPATIAL; | 
|  | ref_mv_stack[k].cwp_idx = CWP_EQUAL; | 
|  | } | 
|  |  | 
|  | #if CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | MVP_UNIT_STATUS row_smvp_state[4] = { 0 }; | 
|  | get_row_smvp_states(cm, xd, row_smvp_state); | 
|  | #endif  // CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  |  | 
|  | // derive a warp model from the 3 corner MVs | 
|  | if (warp_param_stack && valid_num_warp_candidates && | 
|  | *valid_num_warp_candidates < max_num_of_warp_candidates) { | 
|  | int mvs_32[2 * 3]; | 
|  | int pts[2 * 3]; | 
|  | int np = 0; | 
|  | WarpedMotionParams cand_warp_param = default_warp_params; | 
|  | const int valid_points = | 
|  | generate_points_from_corners(xd, | 
|  | #if CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | row_smvp_state, | 
|  | #endif  // CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | pts, mvs_32, &np, ref_frame); | 
|  | const int valid_model = | 
|  | get_model_from_corner_mvs(&cand_warp_param, pts, valid_points, mvs_32, | 
|  | xd->mi[0]->sb_type[PLANE_TYPE_Y] | 
|  | #if CONFIG_ACROSS_SCALE_WARP | 
|  | , | 
|  | get_ref_scale_factors_const(cm, ref_frame) | 
|  | #endif  // CONFIG_ACROSS_SCALE_WARP | 
|  | ); | 
|  | if (valid_model && !cand_warp_param.invalid && | 
|  | !is_this_param_already_in_list(*valid_num_warp_candidates, | 
|  | warp_param_stack, cand_warp_param)) { | 
|  | insert_neighbor_warp_candidate(warp_param_stack, &cand_warp_param, | 
|  | *valid_num_warp_candidates, PROJ_SPATIAL); | 
|  | (*valid_num_warp_candidates)++; | 
|  | } | 
|  | } | 
|  |  | 
|  | #if !CONFIG_MVP_SIMPLIFY | 
|  | // Find valid maximum row/col offset. | 
|  | if (xd->up_available) { | 
|  | #if CONFIG_MVP_IMPROVEMENT | 
|  | max_row_offset = -(MVREF_ROWS << 1) + row_adj; | 
|  | #else | 
|  | max_row_offset = -(MVREF_ROW_COLS << 1) + row_adj; | 
|  | #endif  // CONFIG_MVP_IMPROVEMENT | 
|  |  | 
|  | if (xd->height < mi_size_high[BLOCK_8X8]) | 
|  | max_row_offset = -(2 << 1) + row_adj; | 
|  |  | 
|  | max_row_offset = find_valid_row_offset(tile, mi_row, max_row_offset); | 
|  | } | 
|  | #endif  // !CONFIG_MVP_SIMPLIFY | 
|  |  | 
|  | if (xd->left_available) { | 
|  | #if CONFIG_MVP_IMPROVEMENT | 
|  | max_col_offset = -(MVREF_COLS << 1) + col_adj; | 
|  | #else | 
|  | max_col_offset = -(MVREF_ROW_COLS << 1) + col_adj; | 
|  | #endif  // CONFIG_MVP_IMPROVEMENT | 
|  |  | 
|  | if (xd->width < mi_size_wide[BLOCK_8X8]) | 
|  | max_col_offset = -(2 << 1) + col_adj; | 
|  |  | 
|  | max_col_offset = find_valid_col_offset(tile, mi_col, max_col_offset); | 
|  | } | 
|  |  | 
|  | uint8_t col_match_count = 0; | 
|  | uint8_t row_match_count = 0; | 
|  | uint8_t newmv_count = 0; | 
|  |  | 
|  | #if CONFIG_MVP_IMPROVEMENT | 
|  | SINGLE_MV_CANDIDATE single_mv[MAX_REF_MV_STACK_SIZE]; | 
|  | uint8_t single_mv_count = 0; | 
|  | CANDIDATE_MV derived_mv_stack[MAX_REF_MV_STACK_SIZE]; | 
|  | uint16_t derived_mv_weight[MAX_REF_MV_STACK_SIZE]; | 
|  | uint8_t derived_mv_count = 0; | 
|  | #endif  // CONFIG_MVP_IMPROVEMENT | 
|  |  | 
|  | #if CONFIG_CWG_E099_DRL_WRL_SIMPLIFY | 
|  | #if !CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | const int width_at_least_two = xd->up_available ? (xd->width > 1) : 0; | 
|  | #endif  // !CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | const int height_at_least_two = xd->left_available ? (xd->height > 1) : 0; | 
|  | #endif  // CONFIG_CWG_E099_DRL_WRL_SIMPLIFY | 
|  |  | 
|  | #if CONFIG_DRL_REORDER_CONTROL | 
|  | const int is_tmvp_high_priority = assign_tmvp_high_priority(cm, rf); | 
|  | if (is_tmvp_high_priority) { | 
|  | add_tmvp_candidate(cm, xd, ref_frame, refmv_count, ref_mv_stack, | 
|  | ref_mv_weight, | 
|  | #if CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | ref_frame_idx0, ref_frame_idx1, | 
|  | #endif  // CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | #if !CONFIG_C076_INTER_MOD_CTX | 
|  | gm_mv_candidates, | 
|  | #endif  //! CONFIG_C076_INTER_MOD_CTX | 
|  | mi_row, mi_col); | 
|  | } | 
|  | #endif  // CONFIG_DRL_REORDER_CONTROL | 
|  |  | 
|  | #if CONFIG_MVP_IMPROVEMENT | 
|  | if (xd->left_available) { | 
|  | scan_blk_mbmi(cm, xd, mi_row, mi_col, rf, (xd->height - 1), -1, | 
|  | ref_mv_stack, ref_mv_weight, &col_match_count, &newmv_count, | 
|  | gm_mv_candidates, | 
|  | #if CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | ref_frame_idx0, ref_frame_idx1, | 
|  | #endif  // CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | #if CONFIG_MVP_IMPROVEMENT | 
|  | 1, single_mv, &single_mv_count, derived_mv_stack, | 
|  | derived_mv_weight, &derived_mv_count, | 
|  | #endif  // CONFIG_MVP_IMPROVEMENT | 
|  | warp_param_stack, max_num_of_warp_candidates, | 
|  | valid_num_warp_candidates, ref_frame, refmv_count); | 
|  | update_processed_cols(xd, mi_row, mi_col, (xd->height - 1), -1, | 
|  | max_col_offset, &processed_cols); | 
|  | } | 
|  |  | 
|  | #if CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | if (row_smvp_state[0].is_available) { | 
|  | #else | 
|  | if (xd->up_available) { | 
|  | #endif  // CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | scan_blk_mbmi(cm, xd, mi_row, mi_col, rf, | 
|  | #if CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | row_smvp_state[0].row_offset, row_smvp_state[0].col_offset, | 
|  | #else | 
|  | -1, (xd->width - 1), | 
|  | #endif  // CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | ref_mv_stack, ref_mv_weight, &row_match_count, &newmv_count, | 
|  | gm_mv_candidates, | 
|  | #if CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | ref_frame_idx0, ref_frame_idx1, | 
|  | #endif  // CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | #if CONFIG_MVP_IMPROVEMENT | 
|  | 1, single_mv, &single_mv_count, derived_mv_stack, | 
|  | derived_mv_weight, &derived_mv_count, | 
|  | #endif  // CONFIG_MVP_IMPROVEMENT | 
|  | warp_param_stack, max_num_of_warp_candidates, | 
|  | valid_num_warp_candidates, ref_frame, refmv_count); | 
|  | } | 
|  | #if CONFIG_CWG_E099_DRL_WRL_SIMPLIFY | 
|  | if (height_at_least_two) { | 
|  | #else | 
|  | if (xd->left_available) { | 
|  | #endif  // CONFIG_CWG_E099_DRL_WRL_SIMPLIFY | 
|  | scan_blk_mbmi(cm, xd, mi_row, mi_col, rf, 0, -1, ref_mv_stack, | 
|  | ref_mv_weight, &col_match_count, &newmv_count, | 
|  | gm_mv_candidates, | 
|  | #if CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | ref_frame_idx0, ref_frame_idx1, | 
|  | #endif  // CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | #if CONFIG_MVP_IMPROVEMENT | 
|  | 1, single_mv, &single_mv_count, derived_mv_stack, | 
|  | derived_mv_weight, &derived_mv_count, | 
|  | #endif  // CONFIG_MVP_IMPROVEMENT | 
|  | warp_param_stack, max_num_of_warp_candidates, | 
|  | valid_num_warp_candidates, ref_frame, refmv_count); | 
|  | update_processed_cols(xd, mi_row, mi_col, 0, -1, max_col_offset, | 
|  | &processed_cols); | 
|  | } | 
|  |  | 
|  | #if CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | if (row_smvp_state[1].is_available) { | 
|  | #else | 
|  | #if CONFIG_CWG_E099_DRL_WRL_SIMPLIFY | 
|  | if (width_at_least_two) { | 
|  | #else | 
|  | if (xd->up_available) { | 
|  | #endif  // CONFIG_CWG_E099_DRL_WRL_SIMPLIFY | 
|  | #endif  // CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | scan_blk_mbmi(cm, xd, mi_row, mi_col, rf, | 
|  | #if CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | row_smvp_state[1].row_offset, row_smvp_state[1].col_offset, | 
|  | #else | 
|  | -1, 0, | 
|  | #endif  // CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | ref_mv_stack, ref_mv_weight, &row_match_count, &newmv_count, | 
|  | gm_mv_candidates, | 
|  | #if CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | ref_frame_idx0, ref_frame_idx1, | 
|  | #endif  // CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | #if CONFIG_MVP_IMPROVEMENT | 
|  | 1, single_mv, &single_mv_count, derived_mv_stack, | 
|  | derived_mv_weight, &derived_mv_count, | 
|  | #endif  // CONFIG_MVP_IMPROVEMENT | 
|  | warp_param_stack, max_num_of_warp_candidates, | 
|  | valid_num_warp_candidates, ref_frame, refmv_count); | 
|  | } | 
|  | if (has_bl) { | 
|  | scan_blk_mbmi(cm, xd, mi_row, mi_col, rf, xd->height, -1, ref_mv_stack, | 
|  | ref_mv_weight, &col_match_count, &newmv_count, | 
|  | gm_mv_candidates, | 
|  | #if CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | ref_frame_idx0, ref_frame_idx1, | 
|  | #endif  // CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | #if CONFIG_MVP_IMPROVEMENT | 
|  | 1, single_mv, &single_mv_count, derived_mv_stack, | 
|  | derived_mv_weight, &derived_mv_count, | 
|  | #endif  // CONFIG_MVP_IMPROVEMENT | 
|  | warp_param_stack, max_num_of_warp_candidates, | 
|  | valid_num_warp_candidates, ref_frame, refmv_count); | 
|  | } | 
|  |  | 
|  | #if CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | if (row_smvp_state[2].is_available) { | 
|  | #else | 
|  | if (has_tr) { | 
|  | #endif  // CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | scan_blk_mbmi(cm, xd, mi_row, mi_col, rf, | 
|  | #if CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | row_smvp_state[2].row_offset, row_smvp_state[2].col_offset, | 
|  | #else | 
|  | -1, xd->width, | 
|  | #endif  // CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | ref_mv_stack, ref_mv_weight, &row_match_count, &newmv_count, | 
|  | gm_mv_candidates, | 
|  | #if CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | ref_frame_idx0, ref_frame_idx1, | 
|  | #endif  // CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | #if CONFIG_MVP_IMPROVEMENT | 
|  | 1, single_mv, &single_mv_count, derived_mv_stack, | 
|  | derived_mv_weight, &derived_mv_count, | 
|  | #endif  // CONFIG_MVP_IMPROVEMENT | 
|  | warp_param_stack, max_num_of_warp_candidates, | 
|  | valid_num_warp_candidates, ref_frame, refmv_count); | 
|  | } | 
|  |  | 
|  | #if !CONFIG_CWG_E099_DRL_WRL_SIMPLIFY | 
|  | if (xd->up_available && xd->left_available) { | 
|  | uint8_t dummy_ref_match_count = 0; | 
|  | uint8_t dummy_new_mv_count = 0; | 
|  | scan_blk_mbmi(cm, xd, mi_row, mi_col, rf, -1, -1, ref_mv_stack, | 
|  | ref_mv_weight, &dummy_ref_match_count, &dummy_new_mv_count, | 
|  | gm_mv_candidates, | 
|  | #if CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | ref_frame_idx0, ref_frame_idx1, | 
|  | #endif  // CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | #if CONFIG_MVP_IMPROVEMENT | 
|  | 1, single_mv, &single_mv_count, derived_mv_stack, | 
|  | derived_mv_weight, &derived_mv_count, | 
|  | #endif  // CONFIG_MVP_IMPROVEMENT | 
|  | warp_param_stack, max_num_of_warp_candidates, | 
|  | valid_num_warp_candidates, ref_frame, refmv_count); | 
|  | } | 
|  |  | 
|  | if (xd->left_available) { | 
|  | scan_blk_mbmi(cm, xd, mi_row, mi_col, rf, (xd->height >> 1), -1, | 
|  | ref_mv_stack, ref_mv_weight, &col_match_count, &newmv_count, | 
|  | gm_mv_candidates, | 
|  | #if CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | ref_frame_idx0, ref_frame_idx1, | 
|  | #endif  // CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | #if CONFIG_MVP_IMPROVEMENT | 
|  | 1, single_mv, &single_mv_count, derived_mv_stack, | 
|  | derived_mv_weight, &derived_mv_count, | 
|  | #endif  // CONFIG_MVP_IMPROVEMENT | 
|  | warp_param_stack, max_num_of_warp_candidates, | 
|  | valid_num_warp_candidates, ref_frame, refmv_count); | 
|  | update_processed_cols(xd, mi_row, mi_col, (xd->height >> 1), -1, | 
|  | max_col_offset, &processed_cols); | 
|  | } | 
|  |  | 
|  | if (xd->up_available) { | 
|  | scan_blk_mbmi(cm, xd, mi_row, mi_col, rf, -1, (xd->width >> 1), | 
|  | ref_mv_stack, ref_mv_weight, &row_match_count, &newmv_count, | 
|  | gm_mv_candidates, | 
|  | #if CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | ref_frame_idx0, ref_frame_idx1, | 
|  | #endif  // CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | #if CONFIG_MVP_IMPROVEMENT | 
|  | 1, single_mv, &single_mv_count, derived_mv_stack, | 
|  | derived_mv_weight, &derived_mv_count, | 
|  | #endif  // CONFIG_MVP_IMPROVEMENT | 
|  | warp_param_stack, max_num_of_warp_candidates, | 
|  | valid_num_warp_candidates, ref_frame, refmv_count); | 
|  | } | 
|  | #endif  // !CONFIG_CWG_E099_DRL_WRL_SIMPLIFY | 
|  | #else | 
|  | // Scan the first above row mode info. row_offset = -1; | 
|  | if (abs(max_row_offset) >= 1) | 
|  | scan_row_mbmi(cm, xd, mi_row, mi_col, rf, -1, ref_mv_stack, ref_mv_weight, | 
|  | refmv_count, &row_match_count, &newmv_count, gm_mv_candidates, | 
|  | max_row_offset, | 
|  | #if CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | ref_frame_idx0, ref_frame_idx1, | 
|  | #endif  // CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | #if CONFIG_MVP_IMPROVEMENT | 
|  | 1, single_mv, &single_mv_count, derived_mv_stack, | 
|  | derived_mv_weight, &derived_mv_count, | 
|  | #endif  // CONFIG_MVP_IMPROVEMENT | 
|  | warp_param_stack, max_num_of_warp_candidates, | 
|  | valid_num_warp_candidates, ref_frame, &processed_rows); | 
|  |  | 
|  | // Scan the first left column mode info. col_offset = -1; | 
|  | if (abs(max_col_offset) >= 1) | 
|  | scan_col_mbmi(cm, xd, mi_row, mi_col, rf, -1, ref_mv_stack, ref_mv_weight, | 
|  | refmv_count, &col_match_count, &newmv_count, gm_mv_candidates, | 
|  | max_col_offset, | 
|  | #if CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | ref_frame_idx0, ref_frame_idx1, | 
|  | #endif  // CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | #if CONFIG_MVP_IMPROVEMENT | 
|  | 1, single_mv, &single_mv_count, derived_mv_stack, | 
|  | derived_mv_weight, &derived_mv_count, | 
|  | #endif  // CONFIG_MVP_IMPROVEMENT | 
|  | warp_param_stack, max_num_of_warp_candidates, | 
|  | valid_num_warp_candidates, ref_frame, &processed_cols); | 
|  |  | 
|  | // Check top-right boundary | 
|  | if (has_tr) | 
|  | scan_blk_mbmi(cm, xd, mi_row, mi_col, rf, -1, xd->width, ref_mv_stack, | 
|  | ref_mv_weight, &row_match_count, &newmv_count, | 
|  | gm_mv_candidates, | 
|  | #if CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | ref_frame_idx0, ref_frame_idx1, | 
|  | #endif  // CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | #if CONFIG_MVP_IMPROVEMENT | 
|  | 1, single_mv, &single_mv_count, derived_mv_stack, | 
|  | derived_mv_weight, &derived_mv_count, | 
|  | #endif  // CONFIG_MVP_IMPROVEMENT | 
|  | warp_param_stack, max_num_of_warp_candidates, | 
|  | valid_num_warp_candidates, ref_frame, refmv_count); | 
|  | #endif  // CONFIG_MVP_IMPROVEMENT | 
|  |  | 
|  | #if !CONFIG_C076_INTER_MOD_CTX | 
|  | const uint8_t nearest_match = (row_match_count > 0) + (col_match_count > 0); | 
|  | #endif  //! CONFIG_C076_INTER_MOD_CTX | 
|  | #if !CONFIG_MVP_IMPROVEMENT || !CONFIG_TMVP_IMPROVE | 
|  | const uint8_t nearest_refmv_count = *refmv_count; | 
|  |  | 
|  | #if !CONFIG_CWG_E099_DRL_WRL_SIMPLIFY | 
|  | // TODO(yunqing): for comp_search, do it for all 3 cases. | 
|  | for (int idx = 0; idx < nearest_refmv_count; ++idx) | 
|  | ref_mv_weight[idx] += REF_CAT_LEVEL; | 
|  | #endif  // !CONFIG_CWG_E099_DRL_WRL_SIMPLIFY | 
|  | #endif  // !CONFIG_MVP_IMPROVEMENT || !CONFIG_TMVP_IMPROVE | 
|  |  | 
|  | #if CONFIG_DRL_REORDER_CONTROL | 
|  | if (!is_tmvp_high_priority) { | 
|  | #endif  // CONFIG_DRL_REORDER_CONTROL | 
|  | add_tmvp_candidate(cm, xd, ref_frame, refmv_count, ref_mv_stack, | 
|  | ref_mv_weight, | 
|  | #if CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | ref_frame_idx0, ref_frame_idx1, | 
|  | #endif  // CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | #if !CONFIG_C076_INTER_MOD_CTX | 
|  | gm_mv_candidates, | 
|  | #endif  //! CONFIG_C076_INTER_MOD_CTX | 
|  | mi_row, mi_col); | 
|  | #if CONFIG_DRL_REORDER_CONTROL | 
|  | } | 
|  | #endif  // CONFIG_DRL_REORDER_CONTROL | 
|  |  | 
|  | #if CONFIG_CWG_E099_DRL_WRL_SIMPLIFY | 
|  | #if CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | if (row_smvp_state[3].is_available) { | 
|  | #else | 
|  | if (xd->up_available && xd->left_available) { | 
|  | #endif  // CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | uint8_t dummy_ref_match_count = 0; | 
|  | uint8_t dummy_new_mv_count = 0; | 
|  | scan_blk_mbmi(cm, xd, mi_row, mi_col, rf, | 
|  | #if CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | row_smvp_state[3].row_offset, row_smvp_state[3].col_offset, | 
|  | #else | 
|  | -1, -1, | 
|  | #endif  // CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | ref_mv_stack, ref_mv_weight, &dummy_ref_match_count, | 
|  | &dummy_new_mv_count, gm_mv_candidates, | 
|  | #if CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | ref_frame_idx0, ref_frame_idx1, | 
|  | #endif  // CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | #if CONFIG_MVP_IMPROVEMENT | 
|  | 1, single_mv, &single_mv_count, derived_mv_stack, | 
|  | derived_mv_weight, &derived_mv_count, | 
|  | #endif  // CONFIG_MVP_IMPROVEMENT | 
|  | warp_param_stack, max_num_of_warp_candidates, | 
|  | valid_num_warp_candidates, ref_frame, refmv_count); | 
|  | } | 
|  | #endif  // CONFIG_CWG_E099_DRL_WRL_SIMPLIFY | 
|  |  | 
|  | #if CONFIG_TMVP_IMPROVE | 
|  | const uint8_t nearest_refmv_count = *refmv_count; | 
|  |  | 
|  | #if !CONFIG_CWG_E099_DRL_WRL_SIMPLIFY | 
|  | // TODO(yunqing): for comp_search, do it for all 3 cases. | 
|  | for (int idx = 0; idx < nearest_refmv_count; ++idx) { | 
|  | ref_mv_weight[idx] += REF_CAT_LEVEL; | 
|  | } | 
|  | #endif  // !CONFIG_CWG_E099_DRL_WRL_SIMPLIFY | 
|  | #endif  // CONFIG_TMVP_IMPROVE | 
|  |  | 
|  | #if !CONFIG_MVP_SIMPLIFY | 
|  | uint8_t dummy_newmv_count = 0; | 
|  | #endif  // !CONFIG_MVP_SIMPLIFY | 
|  |  | 
|  | #if !CONFIG_MVP_IMPROVEMENT | 
|  | // Scan the second outer area. | 
|  | scan_blk_mbmi(cm, xd, mi_row, mi_col, rf, -1, -1, ref_mv_stack, ref_mv_weight, | 
|  | &row_match_count, &dummy_newmv_count, gm_mv_candidates, | 
|  | #if CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | ref_frame_idx0, ref_frame_idx1, | 
|  | #endif  // CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | #if CONFIG_MVP_IMPROVEMENT | 
|  | 0, single_mv, &single_mv_count, derived_mv_stack, | 
|  | derived_mv_weight, &derived_mv_count, | 
|  | #endif  // CONFIG_MVP_IMPROVEMENT | 
|  | warp_param_stack, max_num_of_warp_candidates, | 
|  | valid_num_warp_candidates, ref_frame, refmv_count); | 
|  | #endif  // !CONFIG_MVP_IMPROVEMENT | 
|  |  | 
|  | #if CONFIG_MVP_SIMPLIFY | 
|  | if (xd->left_available) { | 
|  | for (int idx = 2; idx <= MVREF_COLS; ++idx) { | 
|  | const int col_offset = -(idx << 1) + 1 + col_adj; | 
|  | const MVP_UNIT_STATUS col_units_status[SMVP_COL_SEARCH_COUNT] = { | 
|  | { 1, (xd->height - 1), col_offset }, | 
|  | { xd->height > 1, 0, col_offset }, | 
|  | #if !CONFIG_CWG_E099_DRL_WRL_SIMPLIFY | 
|  | { xd->height > 2, (xd->height >> 1), col_offset }, | 
|  | #endif  // !CONFIG_CWG_E099_DRL_WRL_SIMPLIFY | 
|  | }; | 
|  | if (abs(col_offset) <= abs(max_col_offset) && | 
|  | abs(col_offset) > processed_cols) { | 
|  | for (int unit_idx = 0; unit_idx < SMVP_COL_SEARCH_COUNT; unit_idx++) { | 
|  | if (col_units_status[unit_idx].is_available) { | 
|  | scan_blk_mbmi(cm, xd, mi_row, mi_col, rf, | 
|  | col_units_status[unit_idx].row_offset, | 
|  | col_units_status[unit_idx].col_offset, ref_mv_stack, | 
|  | ref_mv_weight, &col_match_count, &newmv_count, | 
|  | gm_mv_candidates, | 
|  | #if CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | ref_frame_idx0, ref_frame_idx1, | 
|  | #endif  // CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | 1, single_mv, &single_mv_count, derived_mv_stack, | 
|  | derived_mv_weight, &derived_mv_count, | 
|  | warp_param_stack, max_num_of_warp_candidates, | 
|  | valid_num_warp_candidates, ref_frame, refmv_count); | 
|  | update_processed_cols(xd, mi_row, mi_col, | 
|  | col_units_status[unit_idx].row_offset, | 
|  | col_units_status[unit_idx].col_offset, | 
|  | max_col_offset, &processed_cols); | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | #else | 
|  | #if CONFIG_MVP_IMPROVEMENT | 
|  | for (int idx = 2; idx <= MVREF_COLS; ++idx) { | 
|  | const int col_offset = -(idx << 1) + 1 + col_adj; | 
|  | if (abs(col_offset) <= abs(max_col_offset) && | 
|  | abs(col_offset) > processed_cols) { | 
|  | scan_col_mbmi(cm, xd, mi_row, mi_col, rf, col_offset, ref_mv_stack, | 
|  | ref_mv_weight, refmv_count, &col_match_count, | 
|  | &dummy_newmv_count, gm_mv_candidates, max_col_offset, | 
|  | #if CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | ref_frame_idx0, ref_frame_idx1, | 
|  | #endif  // CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | 0, single_mv, &single_mv_count, derived_mv_stack, | 
|  | derived_mv_weight, &derived_mv_count, warp_param_stack, | 
|  | max_num_of_warp_candidates, valid_num_warp_candidates, | 
|  | ref_frame, &processed_cols); | 
|  | } | 
|  | } | 
|  | #else | 
|  | for (int idx = 2; idx <= MVREF_ROW_COLS; ++idx) { | 
|  | const int row_offset = -(idx << 1) + 1 + row_adj; | 
|  | const int col_offset = -(idx << 1) + 1 + col_adj; | 
|  |  | 
|  | if (abs(row_offset) <= abs(max_row_offset) && | 
|  | abs(row_offset) > processed_rows) | 
|  | scan_row_mbmi(cm, xd, mi_row, mi_col, rf, row_offset, ref_mv_stack, | 
|  | ref_mv_weight, refmv_count, &row_match_count, | 
|  | &dummy_newmv_count, gm_mv_candidates, max_row_offset, | 
|  | #if CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | ref_frame_idx0, ref_frame_idx1, | 
|  | #endif  // CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | warp_param_stack, max_num_of_warp_candidates, | 
|  | valid_num_warp_candidates, ref_frame, &processed_rows); | 
|  |  | 
|  | if (abs(col_offset) <= abs(max_col_offset) && | 
|  | abs(col_offset) > processed_cols) | 
|  | scan_col_mbmi(cm, xd, mi_row, mi_col, rf, col_offset, ref_mv_stack, | 
|  | ref_mv_weight, refmv_count, &col_match_count, | 
|  | &dummy_newmv_count, gm_mv_candidates, max_col_offset, | 
|  | #if CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | ref_frame_idx0, ref_frame_idx1, | 
|  | #endif  // CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | warp_param_stack, max_num_of_warp_candidates, | 
|  | valid_num_warp_candidates, ref_frame, &processed_cols); | 
|  | } | 
|  | #endif  // CONFIG_MVP_IMPROVEMENT | 
|  | #endif  // CONFIG_MVP_SIMPLIFY | 
|  |  | 
|  | #if !CONFIG_C076_INTER_MOD_CTX | 
|  | #if CONFIG_MVP_IMPROVEMENT | 
|  | // These contexts are independent of the outer area search | 
|  | int new_ctx = 2 * nearest_match + (newmv_count > 0); | 
|  | int ref_ctx = 2 * nearest_match + (newmv_count < 3); | 
|  | mode_context[ref_frame] |= new_ctx; | 
|  | mode_context[ref_frame] |= (ref_ctx << REFMV_OFFSET); | 
|  | #else | 
|  | const uint8_t ref_match_count = (row_match_count > 0) + (col_match_count > 0); | 
|  |  | 
|  | switch (nearest_match) { | 
|  | case 0: | 
|  | if (ref_match_count >= 1) mode_context[ref_frame] |= 1; | 
|  | if (ref_match_count == 1) | 
|  | mode_context[ref_frame] |= (1 << REFMV_OFFSET); | 
|  | else if (ref_match_count >= 2) | 
|  | mode_context[ref_frame] |= (2 << REFMV_OFFSET); | 
|  | break; | 
|  | case 1: | 
|  | mode_context[ref_frame] |= (newmv_count > 0) ? 2 : 3; | 
|  | if (ref_match_count == 1) | 
|  | mode_context[ref_frame] |= (3 << REFMV_OFFSET); | 
|  | else if (ref_match_count >= 2) | 
|  | mode_context[ref_frame] |= (4 << REFMV_OFFSET); | 
|  | break; | 
|  | case 2: | 
|  | default: | 
|  | if (newmv_count >= 1) | 
|  | mode_context[ref_frame] |= 4; | 
|  | else | 
|  | mode_context[ref_frame] |= 5; | 
|  |  | 
|  | mode_context[ref_frame] |= (5 << REFMV_OFFSET); | 
|  | break; | 
|  | } | 
|  | #endif | 
|  | #endif  //! CONFIG_C076_INTER_MOD_CTX | 
|  |  | 
|  | #if CONFIG_DRL_REORDER_CONTROL | 
|  | if (cm->seq_params.enable_drl_reorder == DRL_REORDER_ALWAYS || | 
|  | (cm->seq_params.enable_drl_reorder == DRL_REORDER_CONSTRAINT && | 
|  | (!is_tmvp_high_priority && nearest_refmv_count >= 4))) { | 
|  | #endif  // CONFIG_DRL_REORDER_CONTROL | 
|  | #if CONFIG_MVP_SIMPLIFY | 
|  | if (nearest_refmv_count > 1) { | 
|  | int max_weight = ref_mv_weight[0]; | 
|  | int max_weight_idx = 0; | 
|  | for (int idx = 1; idx < nearest_refmv_count; ++idx) { | 
|  | if (ref_mv_weight[idx] > max_weight) { | 
|  | max_weight = ref_mv_weight[idx]; | 
|  | max_weight_idx = idx; | 
|  | } | 
|  | } | 
|  |  | 
|  | if (max_weight_idx != 0) { | 
|  | const CANDIDATE_MV tmp_mv = ref_mv_stack[0]; | 
|  | const uint16_t tmp_ref_mv_weight = ref_mv_weight[0]; | 
|  | ref_mv_stack[0] = ref_mv_stack[max_weight_idx]; | 
|  | ref_mv_stack[max_weight_idx] = tmp_mv; | 
|  | ref_mv_weight[0] = ref_mv_weight[max_weight_idx]; | 
|  | ref_mv_weight[max_weight_idx] = tmp_ref_mv_weight; | 
|  | #if CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | if (xd->mi[0]->skip_mode) { | 
|  | const MV_REFERENCE_FRAME temp_ref0 = ref_frame_idx0[0]; | 
|  | const MV_REFERENCE_FRAME temp_ref1 = ref_frame_idx1[0]; | 
|  |  | 
|  | ref_frame_idx0[0] = ref_frame_idx0[max_weight_idx]; | 
|  | ref_frame_idx0[max_weight_idx] = temp_ref0; | 
|  | ref_frame_idx1[0] = ref_frame_idx1[max_weight_idx]; | 
|  | ref_frame_idx1[max_weight_idx] = temp_ref1; | 
|  | } | 
|  | #endif  // CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | } | 
|  | } | 
|  | #else | 
|  | // Rank the likelihood and assign nearest and near mvs. | 
|  | int len = nearest_refmv_count; | 
|  | while (len > 0) { | 
|  | int nr_len = 0; | 
|  | for (int idx = 1; idx < len; ++idx) { | 
|  | if (ref_mv_weight[idx - 1] < ref_mv_weight[idx]) { | 
|  | const CANDIDATE_MV tmp_mv = ref_mv_stack[idx - 1]; | 
|  | const uint16_t tmp_ref_mv_weight = ref_mv_weight[idx - 1]; | 
|  | ref_mv_stack[idx - 1] = ref_mv_stack[idx]; | 
|  | ref_mv_stack[idx] = tmp_mv; | 
|  | ref_mv_weight[idx - 1] = ref_mv_weight[idx]; | 
|  | ref_mv_weight[idx] = tmp_ref_mv_weight; | 
|  | #if CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | if (xd->mi[0]->skip_mode) { | 
|  | const MV_REFERENCE_FRAME temp_ref0 = ref_frame_idx0[idx - 1]; | 
|  | const MV_REFERENCE_FRAME temp_ref1 = ref_frame_idx1[idx - 1]; | 
|  |  | 
|  | ref_frame_idx0[idx - 1] = ref_frame_idx0[idx]; | 
|  | ref_frame_idx0[idx] = temp_ref0; | 
|  | ref_frame_idx1[idx - 1] = ref_frame_idx1[idx]; | 
|  | ref_frame_idx1[idx] = temp_ref1; | 
|  | } | 
|  | #endif  // CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | nr_len = idx; | 
|  | } | 
|  | } | 
|  | len = nr_len; | 
|  | } | 
|  |  | 
|  | #if !CONFIG_MVP_IMPROVEMENT | 
|  | len = *refmv_count; | 
|  | while (len > nearest_refmv_count) { | 
|  | int nr_len = nearest_refmv_count; | 
|  | for (int idx = nearest_refmv_count + 1; idx < len; ++idx) { | 
|  | if (ref_mv_weight[idx - 1] < ref_mv_weight[idx]) { | 
|  | const CANDIDATE_MV tmp_mv = ref_mv_stack[idx - 1]; | 
|  | const uint16_t tmp_ref_mv_weight = ref_mv_weight[idx - 1]; | 
|  | ref_mv_stack[idx - 1] = ref_mv_stack[idx]; | 
|  | ref_mv_stack[idx] = tmp_mv; | 
|  | ref_mv_weight[idx - 1] = ref_mv_weight[idx]; | 
|  | ref_mv_weight[idx] = tmp_ref_mv_weight; | 
|  | nr_len = idx; | 
|  | } | 
|  | } | 
|  | len = nr_len; | 
|  | } | 
|  | #endif | 
|  | #endif  // CONFIG_MVP_SIMPLIFY | 
|  | #if CONFIG_DRL_REORDER_CONTROL | 
|  | } | 
|  | #endif  // CONFIG_DRL_REORDER_CONTROL | 
|  |  | 
|  | #if CONFIG_DSMVP_REFBANK_MV_SWAP | 
|  | const int is_compound = is_inter_ref_frame(rf[1]); | 
|  | if (is_compound) { | 
|  | add_derived_smvp_candidates(cm, xd, rf, ref_frame_idx0, ref_frame_idx1, | 
|  | refmv_count, ref_mv_stack, ref_mv_weight, | 
|  | derived_mv_stack, derived_mv_count); | 
|  | if (cm->seq_params.enable_refmvbank) | 
|  | add_ref_mv_bank_candidates(cm, xd, rf, ref_frame, ref_frame_idx0, | 
|  | ref_frame_idx1, refmv_count, ref_mv_stack, | 
|  | ref_mv_weight); | 
|  | } else { | 
|  | #endif  // CONFIG_DSMVP_REFBANK_MV_SWAP | 
|  | if (cm->seq_params.enable_refmvbank) | 
|  | add_ref_mv_bank_candidates(cm, xd, rf, ref_frame, ref_frame_idx0, | 
|  | ref_frame_idx1, refmv_count, ref_mv_stack, | 
|  | ref_mv_weight); | 
|  | add_derived_smvp_candidates(cm, xd, rf, ref_frame_idx0, ref_frame_idx1, | 
|  | refmv_count, ref_mv_stack, ref_mv_weight, | 
|  | derived_mv_stack, derived_mv_count); | 
|  | #if CONFIG_DSMVP_REFBANK_MV_SWAP | 
|  | } | 
|  | #endif  // CONFIG_DSMVP_REFBANK_MV_SWAP | 
|  |  | 
|  | #if CONFIG_MVP_SIMPLIFY | 
|  | for (int idx = 0; idx < *refmv_count; ++idx) { | 
|  | clamp_mv_ref(&ref_mv_stack[idx].this_mv.as_mv, xd->width << MI_SIZE_LOG2, | 
|  | xd->height << MI_SIZE_LOG2, xd); | 
|  | if (rf[1] > NONE_FRAME) { | 
|  | clamp_mv_ref(&ref_mv_stack[idx].comp_mv.as_mv, xd->width << MI_SIZE_LOG2, | 
|  | xd->height << MI_SIZE_LOG2, xd); | 
|  | } | 
|  | } | 
|  |  | 
|  | if (rf[1] == NONE_FRAME && mv_ref_list != NULL) { | 
|  | for (int idx = *refmv_count; idx < MAX_MV_REF_CANDIDATES; ++idx) { | 
|  | mv_ref_list[idx].as_int = gm_mv_candidates[0].as_int; | 
|  | } | 
|  |  | 
|  | for (int idx = 0; idx < AOMMIN(MAX_MV_REF_CANDIDATES, *refmv_count); | 
|  | ++idx) { | 
|  | mv_ref_list[idx].as_int = ref_mv_stack[idx].this_mv.as_int; | 
|  | } | 
|  | } | 
|  |  | 
|  | // If there is extra space in the stack, copy the GLOBALMV vector into it. | 
|  | // This also guarantees the existence of at least one vector to search. | 
|  | if (*refmv_count < MAX_REF_MV_STACK_SIZE | 
|  | #if CONFIG_IBC_BV_IMPROVEMENT | 
|  | && !xd->mi[0]->use_intrabc[xd->tree_type == CHROMA_PART] | 
|  | #endif  // CONFIG_IBC_BV_IMPROVEMENT | 
|  | ) { | 
|  | int idx = 0; | 
|  | for (idx = 0; idx < *refmv_count; ++idx) { | 
|  | if ((ref_mv_stack[idx].this_mv.as_int == gm_mv_candidates[0].as_int) && | 
|  | (rf[1] == NONE_FRAME || | 
|  | (rf[1] > NONE_FRAME && | 
|  | ref_mv_stack[idx].comp_mv.as_int == gm_mv_candidates[1].as_int))) { | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | // Add a new item to the list. | 
|  | if (idx == *refmv_count) { | 
|  | ref_mv_stack[idx].this_mv.as_int = gm_mv_candidates[0].as_int; | 
|  | ref_mv_stack[idx].comp_mv.as_int = gm_mv_candidates[1].as_int; | 
|  | ref_mv_stack[idx].row_offset = OFFSET_NONSPATIAL; | 
|  | ref_mv_stack[idx].col_offset = OFFSET_NONSPATIAL; | 
|  | ref_mv_stack[idx].cwp_idx = CWP_EQUAL; | 
|  | #if CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | if (xd->mi[0]->skip_mode) { | 
|  | ref_frame_idx0[idx] = rf[0]; | 
|  | ref_frame_idx1[idx] = rf[1]; | 
|  | } | 
|  | #endif  // CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | ref_mv_weight[idx] = REF_CAT_LEVEL; | 
|  | ++(*refmv_count); | 
|  | } | 
|  | } | 
|  | #else  // CONFIG_MVP_SIMPLIFY | 
|  | int mi_width = AOMMIN(mi_size_wide[BLOCK_64X64], xd->width); | 
|  | mi_width = AOMMIN(mi_width, cm->mi_params.mi_cols - mi_col); | 
|  | int mi_height = AOMMIN(mi_size_high[BLOCK_64X64], xd->height); | 
|  | mi_height = AOMMIN(mi_height, cm->mi_params.mi_rows - mi_row); | 
|  | const int mi_size = AOMMIN(mi_width, mi_height); | 
|  | if (rf[1] > NONE_FRAME) { | 
|  | // TODO(jingning, yunqing): Refactor and consolidate the compound and | 
|  | // single reference frame modes. Reduce unnecessary redundancy. | 
|  | if (*refmv_count < MAX_MV_REF_CANDIDATES) { | 
|  | int_mv ref_id[2][2], ref_diff[2][2]; | 
|  | int ref_id_count[2] = { 0 }, ref_diff_count[2] = { 0 }; | 
|  |  | 
|  | for (int idx = 0; abs(max_row_offset) >= 1 && idx < mi_size;) { | 
|  | const MB_MODE_INFO *const candidate = xd->mi[-xd->mi_stride + idx]; | 
|  | #if CONFIG_C071_SUBBLK_WARPMV | 
|  | const SUBMB_INFO *const submi = xd->submi[-xd->mi_stride + idx]; | 
|  | #endif  // CONFIG_C071_SUBBLK_WARPMV | 
|  | process_compound_ref_mv_candidate(candidate, | 
|  | #if CONFIG_C071_SUBBLK_WARPMV | 
|  | submi, | 
|  | #endif  // CONFIG_C071_SUBBLK_WARPMV | 
|  | cm, rf, ref_id, ref_id_count, | 
|  | ref_diff, ref_diff_count); | 
|  | idx += mi_size_wide[candidate->sb_type[PLANE_TYPE_Y]]; | 
|  | } | 
|  |  | 
|  | for (int idx = 0; abs(max_col_offset) >= 1 && idx < mi_size;) { | 
|  | const MB_MODE_INFO *const candidate = xd->mi[idx * xd->mi_stride - 1]; | 
|  | #if CONFIG_C071_SUBBLK_WARPMV | 
|  | const SUBMB_INFO *const submi = xd->submi[idx * xd->mi_stride - 1]; | 
|  | #endif  // CONFIG_C071_SUBBLK_WARPMV | 
|  | process_compound_ref_mv_candidate(candidate, | 
|  | #if CONFIG_C071_SUBBLK_WARPMV | 
|  | submi, | 
|  | #endif  // CONFIG_C071_SUBBLK_WARPMV | 
|  | cm, rf, ref_id, ref_id_count, | 
|  | ref_diff, ref_diff_count); | 
|  | idx += mi_size_high[candidate->sb_type[PLANE_TYPE_Y]]; | 
|  | } | 
|  |  | 
|  | // Build up the compound mv predictor | 
|  | int_mv comp_list[MAX_MV_REF_CANDIDATES][2]; | 
|  |  | 
|  | for (int idx = 0; idx < 2; ++idx) { | 
|  | int comp_idx = 0; | 
|  | for (int list_idx = 0; | 
|  | list_idx < ref_id_count[idx] && comp_idx < MAX_MV_REF_CANDIDATES; | 
|  | ++list_idx, ++comp_idx) | 
|  | comp_list[comp_idx][idx] = ref_id[idx][list_idx]; | 
|  | for (int list_idx = 0; | 
|  | list_idx < ref_diff_count[idx] && comp_idx < MAX_MV_REF_CANDIDATES; | 
|  | ++list_idx, ++comp_idx) | 
|  | comp_list[comp_idx][idx] = ref_diff[idx][list_idx]; | 
|  | for (; comp_idx < MAX_MV_REF_CANDIDATES; ++comp_idx) | 
|  | comp_list[comp_idx][idx] = gm_mv_candidates[idx]; | 
|  | } | 
|  |  | 
|  | if (*refmv_count) { | 
|  | assert(*refmv_count == 1); | 
|  | if (comp_list[0][0].as_int == ref_mv_stack[0].this_mv.as_int && | 
|  | comp_list[0][1].as_int == ref_mv_stack[0].comp_mv.as_int) { | 
|  | ref_mv_stack[*refmv_count].this_mv = comp_list[1][0]; | 
|  | ref_mv_stack[*refmv_count].comp_mv = comp_list[1][1]; | 
|  | ref_mv_stack[*refmv_count].row_offset = OFFSET_NONSPATIAL; | 
|  | ref_mv_stack[*refmv_count].col_offset = OFFSET_NONSPATIAL; | 
|  | ref_mv_stack[*refmv_count].cwp_idx = CWP_EQUAL; | 
|  | } else { | 
|  | ref_mv_stack[*refmv_count].this_mv = comp_list[0][0]; | 
|  | ref_mv_stack[*refmv_count].comp_mv = comp_list[0][1]; | 
|  | ref_mv_stack[*refmv_count].row_offset = OFFSET_NONSPATIAL; | 
|  | ref_mv_stack[*refmv_count].col_offset = OFFSET_NONSPATIAL; | 
|  | ref_mv_stack[*refmv_count].cwp_idx = CWP_EQUAL; | 
|  | } | 
|  | #if CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | if (xd->mi[0]->skip_mode) { | 
|  | ref_frame_idx0[*refmv_count] = rf[0]; | 
|  | ref_frame_idx1[*refmv_count] = rf[1]; | 
|  | } | 
|  | #endif  // CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | #if CONFIG_CWG_E099_DRL_WRL_SIMPLIFY | 
|  | ref_mv_weight[*refmv_count] = 0; | 
|  | #else | 
|  | ref_mv_weight[*refmv_count] = 2; | 
|  | #endif  // CONFIG_CWG_E099_DRL_WRL_SIMPLIFY | 
|  | ++*refmv_count; | 
|  | } else { | 
|  | for (int idx = 0; idx < MAX_MV_REF_CANDIDATES; ++idx) { | 
|  | ref_mv_stack[*refmv_count].this_mv = comp_list[idx][0]; | 
|  | ref_mv_stack[*refmv_count].comp_mv = comp_list[idx][1]; | 
|  | ref_mv_stack[*refmv_count].row_offset = OFFSET_NONSPATIAL; | 
|  | ref_mv_stack[*refmv_count].col_offset = OFFSET_NONSPATIAL; | 
|  | ref_mv_stack[*refmv_count].cwp_idx = CWP_EQUAL; | 
|  | #if CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | if (xd->mi[0]->skip_mode) { | 
|  | ref_frame_idx0[*refmv_count] = rf[0]; | 
|  | ref_frame_idx1[*refmv_count] = rf[1]; | 
|  | } | 
|  | #endif  // CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | #if CONFIG_CWG_E099_DRL_WRL_SIMPLIFY | 
|  | ref_mv_weight[*refmv_count] = 0; | 
|  | #else | 
|  | ref_mv_weight[*refmv_count] = 2; | 
|  | #endif  // CONFIG_CWG_E099_DRL_WRL_SIMPLIFY | 
|  | ++*refmv_count; | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | assert(*refmv_count >= MAX_MV_REF_CANDIDATES); | 
|  |  | 
|  | for (int idx = 0; idx < *refmv_count; ++idx) { | 
|  | clamp_mv_ref(&ref_mv_stack[idx].this_mv.as_mv, xd->width << MI_SIZE_LOG2, | 
|  | xd->height << MI_SIZE_LOG2, xd); | 
|  | clamp_mv_ref(&ref_mv_stack[idx].comp_mv.as_mv, xd->width << MI_SIZE_LOG2, | 
|  | xd->height << MI_SIZE_LOG2, xd); | 
|  | } | 
|  | } else { | 
|  | // Handle single reference frame extension | 
|  | #if CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | assert(!xd->mi[0]->skip_mode); | 
|  | #endif  // CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | #if CONFIG_IBC_SR_EXT | 
|  | if (!xd->mi[0]->use_intrabc[xd->tree_type == CHROMA_PART]) { | 
|  | #endif  // CONFIG_IBC_SR_EXT | 
|  | for (int idx = 0; abs(max_row_offset) >= 1 && idx < mi_size && | 
|  | *refmv_count < MAX_MV_REF_CANDIDATES;) { | 
|  | const MB_MODE_INFO *const candidate = xd->mi[-xd->mi_stride + idx]; | 
|  | #if CONFIG_C071_SUBBLK_WARPMV | 
|  | const SUBMB_INFO *const submi = xd->submi[-xd->mi_stride + idx]; | 
|  | #endif  // CONFIG_C071_SUBBLK_WARPMV | 
|  | process_single_ref_mv_candidate(candidate, | 
|  | #if CONFIG_C071_SUBBLK_WARPMV | 
|  | submi, | 
|  | #endif  // CONFIG_C071_SUBBLK_WARPMV | 
|  | cm, ref_frame, refmv_count, | 
|  | ref_mv_stack, ref_mv_weight); | 
|  | idx += mi_size_wide[candidate->sb_type[PLANE_TYPE_Y]]; | 
|  | } | 
|  |  | 
|  | for (int idx = 0; abs(max_col_offset) >= 1 && idx < mi_size && | 
|  | *refmv_count < MAX_MV_REF_CANDIDATES;) { | 
|  | const MB_MODE_INFO *const candidate = xd->mi[idx * xd->mi_stride - 1]; | 
|  | #if CONFIG_C071_SUBBLK_WARPMV | 
|  | const SUBMB_INFO *const submi = xd->submi[idx * xd->mi_stride - 1]; | 
|  | #endif  // CONFIG_C071_SUBBLK_WARPMV | 
|  | process_single_ref_mv_candidate(candidate, | 
|  | #if CONFIG_C071_SUBBLK_WARPMV | 
|  | submi, | 
|  | #endif  // CONFIG_C071_SUBBLK_WARPMV | 
|  | cm, ref_frame, refmv_count, | 
|  | ref_mv_stack, ref_mv_weight); | 
|  | idx += mi_size_high[candidate->sb_type[PLANE_TYPE_Y]]; | 
|  | } | 
|  | #if CONFIG_IBC_SR_EXT | 
|  | } | 
|  | #endif  // CONFIG_IBC_SR_EXT | 
|  |  | 
|  | for (int idx = 0; idx < *refmv_count; ++idx) { | 
|  | clamp_mv_ref(&ref_mv_stack[idx].this_mv.as_mv, xd->width << MI_SIZE_LOG2, | 
|  | xd->height << MI_SIZE_LOG2, xd); | 
|  | } | 
|  |  | 
|  | if (mv_ref_list != NULL) { | 
|  | for (int idx = *refmv_count; idx < MAX_MV_REF_CANDIDATES; ++idx) | 
|  | mv_ref_list[idx].as_int = gm_mv_candidates[0].as_int; | 
|  |  | 
|  | for (int idx = 0; idx < AOMMIN(MAX_MV_REF_CANDIDATES, *refmv_count); | 
|  | ++idx) { | 
|  | mv_ref_list[idx].as_int = ref_mv_stack[idx].this_mv.as_int; | 
|  | } | 
|  | } | 
|  | // If there is extra space in the stack, copy the GLOBALMV vector into it. | 
|  | // This also guarantees the existence of at least one vector to search. | 
|  | if (*refmv_count < MAX_REF_MV_STACK_SIZE | 
|  | #if CONFIG_IBC_BV_IMPROVEMENT | 
|  | && !xd->mi[0]->use_intrabc[xd->tree_type == CHROMA_PART] | 
|  | #endif  // CONFIG_IBC_BV_IMPROVEMENT | 
|  | ) { | 
|  | int stack_idx; | 
|  | for (stack_idx = 0; stack_idx < *refmv_count; ++stack_idx) { | 
|  | const int_mv stack_mv = ref_mv_stack[stack_idx].this_mv; | 
|  | if (gm_mv_candidates[0].as_int == stack_mv.as_int) break; | 
|  | } | 
|  | if (stack_idx == *refmv_count) { | 
|  | ref_mv_stack[*refmv_count].this_mv.as_int = gm_mv_candidates[0].as_int; | 
|  | ref_mv_stack[*refmv_count].comp_mv.as_int = gm_mv_candidates[1].as_int; | 
|  | ref_mv_stack[*refmv_count].row_offset = OFFSET_NONSPATIAL; | 
|  | ref_mv_stack[*refmv_count].col_offset = OFFSET_NONSPATIAL; | 
|  | ref_mv_stack[*refmv_count].cwp_idx = CWP_EQUAL; | 
|  | ref_mv_weight[*refmv_count] = REF_CAT_LEVEL; | 
|  | (*refmv_count)++; | 
|  | } | 
|  | } | 
|  | } | 
|  | #endif  // CONFIG_MVP_SIMPLIFY | 
|  |  | 
|  | #if !CONFIG_MVP_IMPROVEMENT | 
|  | if (!cm->seq_params.enable_refmvbank) return; | 
|  | const int ref_mv_limit = | 
|  | AOMMIN(cm->features.max_drl_bits + 1, MAX_REF_MV_STACK_SIZE); | 
|  | // If open slots are available, fetch reference MVs from the ref mv banks. | 
|  | if (*refmv_count < ref_mv_limit | 
|  | #if !CONFIG_IBC_BV_IMPROVEMENT | 
|  | && ref_frame != INTRA_FRAME | 
|  | #endif  // CONFIG_IBC_BV_IMPROVEMENT | 
|  | ) { | 
|  | const REF_MV_BANK *ref_mv_bank = xd->ref_mv_bank_pt; | 
|  | #if CONFIG_LC_REF_MV_BANK | 
|  | const int rmb_list_index = get_rmb_list_index(ref_frame); | 
|  | #else | 
|  | const int rmb_list_index = ref_frame; | 
|  | #endif  // CONFIG_LC_REF_MV_BANK | 
|  | const CANDIDATE_MV *queue = ref_mv_bank->rmb_buffer[rmb_list_index]; | 
|  | #if CONFIG_LC_REF_MV_BANK | 
|  | const MV_REFERENCE_FRAME *rmb_ref_frame = ref_mv_bank->rmb_ref_frame; | 
|  | #endif  // CONFIG_LC_REF_MV_BANK | 
|  | const int count = ref_mv_bank->rmb_count[rmb_list_index]; | 
|  | const int start_idx = ref_mv_bank->rmb_start_idx[rmb_list_index]; | 
|  | const int is_comp = is_inter_ref_frame(rf[1]); | 
|  | const int block_width = xd->width * MI_SIZE; | 
|  | const int block_height = xd->height * MI_SIZE; | 
|  |  | 
|  | for (int idx_bank = 0; idx_bank < count && *refmv_count < ref_mv_limit; | 
|  | ++idx_bank) { | 
|  | const int idx = (start_idx + count - 1 - idx_bank) % REF_MV_BANK_SIZE; | 
|  | const CANDIDATE_MV cand_mv = queue[idx]; | 
|  | #if CONFIG_LC_REF_MV_BANK | 
|  | if (rmb_list_index == REF_MV_BANK_LIST_FOR_ALL_OTHERS && | 
|  | rmb_ref_frame[idx] != ref_frame) | 
|  | continue; | 
|  | #endif  // CONFIG_LC_REF_MV_BANK | 
|  | #if CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | bool rmb_candi_exist = | 
|  | #endif  // CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | check_rmb_cand(cand_mv, ref_mv_stack, ref_mv_weight, refmv_count, | 
|  | is_comp, xd->mi_row, xd->mi_col, block_width, | 
|  | block_height, cm->width, cm->height); | 
|  | #if CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | if (xd->mi[0]->skip_mode && rmb_candi_exist) { | 
|  | ref_frame_idx0[*refmv_count - 1] = rf[0]; | 
|  | ref_frame_idx1[*refmv_count - 1] = rf[1]; | 
|  | } | 
|  | #endif  // CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | } | 
|  | } | 
|  | #endif  // !CONFIG_MVP_IMPROVEMENT | 
|  |  | 
|  | if (warp_param_stack && valid_num_warp_candidates && | 
|  | *valid_num_warp_candidates < max_num_of_warp_candidates) { | 
|  | // Insert warp parameters from the bank | 
|  | #if WARP_CU_BANK | 
|  | const WARP_PARAM_BANK *warp_param_bank = &xd->warp_param_bank; | 
|  | #else | 
|  | const WARP_PARAM_BANK *warp_param_bank = xd->warp_param_bank_pt; | 
|  | #endif  // WARP_CU_BANK | 
|  | const WarpedMotionParams *queue = warp_param_bank->wpb_buffer[ref_frame]; | 
|  | const int count = warp_param_bank->wpb_count[ref_frame]; | 
|  | const int start_idx = warp_param_bank->wpb_start_idx[ref_frame]; | 
|  |  | 
|  | for (int idx_bank = 0; idx_bank < count && *valid_num_warp_candidates < | 
|  | max_num_of_warp_candidates; | 
|  | ++idx_bank) { | 
|  | const int idx = (start_idx + count - 1 - idx_bank) % WARP_PARAM_BANK_SIZE; | 
|  | const WarpedMotionParams cand_warp_param = queue[idx]; | 
|  |  | 
|  | if (!cand_warp_param.invalid && | 
|  | !is_this_param_already_in_list(*valid_num_warp_candidates, | 
|  | warp_param_stack, cand_warp_param)) { | 
|  | insert_neighbor_warp_candidate(warp_param_stack, &cand_warp_param, | 
|  | *valid_num_warp_candidates, | 
|  | PROJ_PARAM_BANK); | 
|  | (*valid_num_warp_candidates)++; | 
|  | } | 
|  | } | 
|  |  | 
|  | // Insert Global motion of the current | 
|  | if (*valid_num_warp_candidates < max_num_of_warp_candidates) { | 
|  | if (!xd->global_motion[ref_frame].invalid && | 
|  | !is_this_param_already_in_list(*valid_num_warp_candidates, | 
|  | warp_param_stack, | 
|  | xd->global_motion[ref_frame])) { | 
|  | insert_neighbor_warp_candidate( | 
|  | warp_param_stack, &xd->global_motion[ref_frame], | 
|  | *valid_num_warp_candidates, PROJ_GLOBAL_MOTION); | 
|  | (*valid_num_warp_candidates)++; | 
|  | } | 
|  | } | 
|  |  | 
|  | // Filled with default values( currently all params are zeros) | 
|  | int max_num_of_default_allowed = AOMMIN(2, max_num_of_warp_candidates); | 
|  | int current_number_of_defaults = 0; | 
|  | int tmp_curr_num = *valid_num_warp_candidates; | 
|  | for (int cand_num = tmp_curr_num; | 
|  | (cand_num < max_num_of_warp_candidates) && | 
|  | (current_number_of_defaults < max_num_of_default_allowed); | 
|  | cand_num++) { | 
|  | warp_param_stack[cand_num].wm_params = default_warp_params; | 
|  | warp_param_stack[cand_num].proj_type = PROJ_DEFAULT; | 
|  | (*valid_num_warp_candidates)++; | 
|  | current_number_of_defaults++; | 
|  | } | 
|  | } | 
|  |  | 
|  | #if CONFIG_IBC_BV_IMPROVEMENT | 
|  | // If there are open slots in reference BV candidate list | 
|  | // fetch reference BVs from the default BVPs | 
|  | if (xd->mi[0]->use_intrabc[xd->tree_type == CHROMA_PART]) { | 
|  | const int w = xd->width * MI_SIZE; | 
|  | const int h = xd->height * MI_SIZE; | 
|  | const int sb_width = block_size_wide[cm->sb_size]; | 
|  | const int sb_height = block_size_high[cm->sb_size]; | 
|  | const int default_ref_bv_list[MAX_REF_BV_STACK_SIZE][2] = { | 
|  | { 0, -sb_height }, | 
|  | { -sb_width - INTRABC_DELAY_PIXELS, 0 }, | 
|  | { 0, -h }, | 
|  | { -w, 0 }, | 
|  | }; | 
|  | #if CONFIG_IBC_BV_IMPROVEMENT && CONFIG_IBC_MAX_DRL | 
|  | const int max_bvp_size = cm->features.max_bvp_drl_bits + 1; | 
|  | for (int i = 0; i < max_bvp_size; ++i) { | 
|  | if (*refmv_count >= max_bvp_size) break; | 
|  | #else | 
|  | for (int i = 0; i < MAX_REF_BV_STACK_SIZE; ++i) { | 
|  | if (*refmv_count >= MAX_REF_BV_STACK_SIZE) break; | 
|  | #endif  // CONFIG_IBC_BV_IMPROVEMENT && CONFIG_IBC_MAX_DRL | 
|  | CANDIDATE_MV tmp_mv; | 
|  | tmp_mv.this_mv.as_mv.col = | 
|  | (int16_t)GET_MV_SUBPEL(default_ref_bv_list[i][0]); | 
|  | tmp_mv.this_mv.as_mv.row = | 
|  | (int16_t)GET_MV_SUBPEL(default_ref_bv_list[i][1]); | 
|  | tmp_mv.comp_mv.as_int = 0; | 
|  | add_to_ref_bv_list(tmp_mv, ref_mv_stack, ref_mv_weight, refmv_count); | 
|  | } | 
|  | } | 
|  | #endif  // CONFIG_IBC_BV_IMPROVEMENT | 
|  | } | 
|  |  | 
|  | #if CONFIG_D072_SKIP_MODE_IMPROVE | 
|  | void get_skip_mode_ref_offsets(const AV1_COMMON *cm, int ref_order_hint[2]) { | 
|  | const SkipModeInfo *const skip_mode_info = &cm->current_frame.skip_mode_info; | 
|  | ref_order_hint[0] = ref_order_hint[1] = 0; | 
|  | if (!skip_mode_info->skip_mode_allowed) return; | 
|  |  | 
|  | const RefCntBuffer *const buf_0 = | 
|  | get_ref_frame_buf(cm, skip_mode_info->ref_frame_idx_0); | 
|  | const RefCntBuffer *const buf_1 = | 
|  | get_ref_frame_buf(cm, skip_mode_info->ref_frame_idx_1); | 
|  | assert(buf_0 != NULL && buf_1 != NULL); | 
|  |  | 
|  | #if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | ref_order_hint[0] = buf_0->display_order_hint; | 
|  | ref_order_hint[1] = buf_1->display_order_hint; | 
|  | #else | 
|  | ref_order_hint[0] = buf_0->order_hint; | 
|  | ref_order_hint[1] = buf_1->order_hint; | 
|  | #endif  // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | } | 
|  | #endif  // CONFIG_D072_SKIP_MODE_IMPROVE | 
|  |  | 
|  | // Initialize the warp parameter list | 
|  | void av1_initialize_warp_wrl_list( | 
|  | WARP_CANDIDATE warp_param_stack[][MAX_WARP_REF_CANDIDATES], | 
|  | uint8_t valid_num_warp_candidates[INTER_REFS_PER_FRAME]) { | 
|  | for (int ref_frame = 0; ref_frame < INTER_REFS_PER_FRAME; ref_frame++) { | 
|  | for (int warp_idx = 0; warp_idx < MAX_WARP_REF_CANDIDATES; warp_idx++) { | 
|  | warp_param_stack[ref_frame][warp_idx].wm_params = default_warp_params; | 
|  | warp_param_stack[ref_frame][warp_idx].wm_params.invalid = 1; | 
|  | } | 
|  | valid_num_warp_candidates[ref_frame] = 0; | 
|  | } | 
|  | } | 
|  |  | 
|  | #if CONFIG_C076_INTER_MOD_CTX | 
|  | void av1_find_mode_ctx(const AV1_COMMON *cm, const MACROBLOCKD *xd, | 
|  | int16_t *mode_context, MV_REFERENCE_FRAME ref_frame) { | 
|  | const int mi_row = xd->mi_row; | 
|  | const int mi_col = xd->mi_col; | 
|  | MV_REFERENCE_FRAME rf[2]; | 
|  |  | 
|  | av1_set_ref_frame(rf, ref_frame); | 
|  | mode_context[ref_frame] = 0; | 
|  |  | 
|  | uint8_t col_match_count = 0; | 
|  | uint8_t row_match_count = 0; | 
|  | uint8_t newmv_count = 0; | 
|  |  | 
|  | if (xd->left_available) { | 
|  | scan_blk_mbmi_ctx(cm, xd, mi_row, mi_col, rf, (xd->height - 1), -1, | 
|  | &col_match_count, &newmv_count); | 
|  | } | 
|  | if (xd->up_available) { | 
|  | scan_blk_mbmi_ctx(cm, xd, mi_row, mi_col, rf, -1, (xd->width - 1), | 
|  | &row_match_count, &newmv_count); | 
|  | } | 
|  | if (xd->left_available) { | 
|  | scan_blk_mbmi_ctx(cm, xd, mi_row, mi_col, rf, 0, -1, &col_match_count, | 
|  | &newmv_count); | 
|  | } | 
|  | if (xd->up_available) { | 
|  | scan_blk_mbmi_ctx(cm, xd, mi_row, mi_col, rf, -1, 0, &row_match_count, | 
|  | &newmv_count); | 
|  | } | 
|  |  | 
|  | const uint8_t nearest_match = (row_match_count > 0) + (col_match_count > 0); | 
|  |  | 
|  | #if CONFIG_OPT_INTER_MODE_CTX | 
|  | mode_context[ref_frame] = nearest_match + (newmv_count > 0) * 2; | 
|  | #else | 
|  | // These contexts are independent of the outer area search | 
|  | int new_ctx = 2 * nearest_match + (newmv_count > 0); | 
|  | int ref_ctx = 2 * nearest_match + (newmv_count < 3); | 
|  | mode_context[ref_frame] |= new_ctx; | 
|  | mode_context[ref_frame] |= (ref_ctx << REFMV_OFFSET); | 
|  | #endif  // CONFIG_OPT_INTER_MODE_CTX | 
|  | } | 
|  | #endif  // CONFIG_C076_INTER_MOD_CTX | 
|  |  | 
|  | // Initialize ref_mv_stack with zero MVs. | 
|  | void av1_initialize_ref_mv_stack( | 
|  | CANDIDATE_MV ref_mv_stack[MAX_REF_MV_STACK_SIZE], int max_cand_num) { | 
|  | for (int i = 0; i < max_cand_num; ++i) { | 
|  | ref_mv_stack[i].this_mv.as_int = 0; | 
|  | ref_mv_stack[i].comp_mv.as_int = 0; | 
|  | ref_mv_stack[i].row_offset = OFFSET_NONSPATIAL; | 
|  | ref_mv_stack[i].col_offset = OFFSET_NONSPATIAL; | 
|  | ref_mv_stack[i].cwp_idx = CWP_EQUAL; | 
|  | } | 
|  | } | 
|  |  | 
|  | void av1_find_mv_refs( | 
|  | const AV1_COMMON *cm, const MACROBLOCKD *xd, MB_MODE_INFO *mi, | 
|  | MV_REFERENCE_FRAME ref_frame, uint8_t ref_mv_count[MODE_CTX_REF_FRAMES], | 
|  | CANDIDATE_MV ref_mv_stack[][MAX_REF_MV_STACK_SIZE], | 
|  | uint16_t ref_mv_weight[][MAX_REF_MV_STACK_SIZE], | 
|  | int_mv mv_ref_list[][MAX_MV_REF_CANDIDATES], int_mv *global_mvs | 
|  | #if !CONFIG_C076_INTER_MOD_CTX | 
|  | , | 
|  | int16_t *mode_context | 
|  | #endif  // !CONFIG_C076_INTER_MOD_CTX | 
|  | , | 
|  | WARP_CANDIDATE warp_param_stack[][MAX_WARP_REF_CANDIDATES], | 
|  | int max_num_of_warp_candidates, | 
|  | uint8_t valid_num_warp_candidates[INTER_REFS_PER_FRAME]) { | 
|  | const int mi_row = xd->mi_row; | 
|  | const int mi_col = xd->mi_col; | 
|  | int_mv gm_mv[2]; | 
|  |  | 
|  | if (ref_frame == INTRA_FRAME || is_tip_ref_frame(ref_frame)) { | 
|  | gm_mv[0].as_int = gm_mv[1].as_int = 0; | 
|  | } else { | 
|  | const BLOCK_SIZE bsize = mi->sb_type[PLANE_TYPE_Y]; | 
|  | const int fr_mv_precision = cm->features.fr_mv_precision; | 
|  | if (ref_frame < INTER_REFS_PER_FRAME) { | 
|  | gm_mv[0] = get_warp_motion_vector(xd, &cm->global_motion[ref_frame], | 
|  | fr_mv_precision, bsize, mi_col, mi_row); | 
|  | gm_mv[1].as_int = 0; | 
|  | if (global_mvs != NULL) global_mvs[ref_frame] = gm_mv[0]; | 
|  | } else { | 
|  | MV_REFERENCE_FRAME rf[2]; | 
|  | av1_set_ref_frame(rf, ref_frame); | 
|  | gm_mv[0] = get_warp_motion_vector(xd, &cm->global_motion[rf[0]], | 
|  | fr_mv_precision, bsize, mi_col, mi_row); | 
|  | gm_mv[1] = get_warp_motion_vector(xd, &cm->global_motion[rf[1]], | 
|  | fr_mv_precision, bsize, mi_col, mi_row); | 
|  | } | 
|  | } | 
|  |  | 
|  | bool derive_wrl = (warp_param_stack && valid_num_warp_candidates && | 
|  | max_num_of_warp_candidates); | 
|  | derive_wrl &= (ref_frame < INTER_REFS_PER_FRAME); | 
|  | #if CONFIG_SEP_COMP_DRL | 
|  | if (has_second_drl(mi)) derive_wrl = 0; | 
|  | #endif  // CONFIG_SEP_COMP_DRL | 
|  |  | 
|  | derive_wrl &= is_motion_variation_allowed_bsize(mi->sb_type[PLANE_TYPE_Y], | 
|  | mi_row, mi_col); | 
|  | if (derive_wrl && valid_num_warp_candidates) { | 
|  | valid_num_warp_candidates[ref_frame] = | 
|  | 0;  // initialize the number of valid candidates to 0 at the beginning | 
|  | } | 
|  |  | 
|  | #if CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | if (mi->skip_mode) { | 
|  | SKIP_MODE_MVP_LIST *skip_list = | 
|  | (SKIP_MODE_MVP_LIST *)&(xd->skip_mvp_candidate_list); | 
|  | memset(skip_list->ref_frame0, 0, | 
|  | USABLE_REF_MV_STACK_SIZE * sizeof(skip_list->ref_frame0[0])); | 
|  | memset(skip_list->ref_frame1, 0, | 
|  | USABLE_REF_MV_STACK_SIZE * sizeof(skip_list->ref_frame1[0])); | 
|  | av1_initialize_ref_mv_stack(skip_list->ref_mv_stack, | 
|  | USABLE_REF_MV_STACK_SIZE); | 
|  | setup_ref_mv_list( | 
|  | cm, xd, ref_frame, &(skip_list->ref_mv_count), skip_list->ref_mv_stack, | 
|  | skip_list->weight, skip_list->ref_frame0, skip_list->ref_frame1, | 
|  | mv_ref_list ? mv_ref_list[ref_frame] : NULL, gm_mv, mi_row, mi_col | 
|  | #if !CONFIG_C076_INTER_MOD_CTX | 
|  | , | 
|  | skip_list->mode_context | 
|  | #endif  // !CONFIG_C076_INTER_MOD_CTX | 
|  | , | 
|  | NULL, 0, NULL); | 
|  | } else { | 
|  | #if CONFIG_SEP_COMP_DRL | 
|  | MV_REFERENCE_FRAME rf[2]; | 
|  | av1_set_ref_frame(rf, ref_frame); | 
|  | if (!has_second_drl(mi)) | 
|  | rf[0] = ref_frame; | 
|  | else { | 
|  | const BLOCK_SIZE bsize = mi->sb_type[PLANE_TYPE_Y]; | 
|  | const int fr_mv_precision = cm->features.fr_mv_precision; | 
|  | gm_mv[0] = get_warp_motion_vector(xd, &cm->global_motion[rf[0]], | 
|  | fr_mv_precision, bsize, mi_col, mi_row); | 
|  | gm_mv[1].as_int = 0; | 
|  | } | 
|  | if (ref_frame == INTRA_FRAME) { | 
|  | #if CONFIG_IBC_MAX_DRL | 
|  | av1_initialize_ref_mv_stack(ref_mv_stack[rf[0]], | 
|  | cm->features.max_bvp_drl_bits + 1); | 
|  | #else | 
|  | av1_initialize_ref_mv_stack(ref_mv_stack[rf[0]], MAX_REF_BV_STACK_SIZE); | 
|  | #endif  // CONFIG_IBC_MAX_DRL | 
|  | } else { | 
|  | av1_initialize_ref_mv_stack(ref_mv_stack[rf[0]], MAX_REF_MV_STACK_SIZE); | 
|  | } | 
|  | setup_ref_mv_list(cm, xd, rf[0], &ref_mv_count[rf[0]], ref_mv_stack[rf[0]], | 
|  | ref_mv_weight[rf[0]], NULL, NULL, | 
|  | mv_ref_list ? mv_ref_list[rf[0]] : NULL, gm_mv, mi_row, | 
|  | mi_col | 
|  | #if !CONFIG_C076_INTER_MOD_CTX | 
|  | , | 
|  | mode_context | 
|  | #endif  //! CONFIG_C076_INTER_MOD_CTX | 
|  | , | 
|  | derive_wrl ? warp_param_stack[rf[0]] : NULL, | 
|  | derive_wrl ? max_num_of_warp_candidates : 0, | 
|  | derive_wrl ? &valid_num_warp_candidates[rf[0]] : NULL); | 
|  |  | 
|  | if (has_second_drl(mi)) { | 
|  | assert(rf[0] == mi->ref_frame[0]); | 
|  | assert(rf[1] == mi->ref_frame[1]); | 
|  | const BLOCK_SIZE bsize = mi->sb_type[PLANE_TYPE_Y]; | 
|  | const int fr_mv_precision = cm->features.fr_mv_precision; | 
|  | gm_mv[0] = get_warp_motion_vector(xd, &cm->global_motion[rf[1]], | 
|  | fr_mv_precision, bsize, mi_col, mi_row); | 
|  | gm_mv[1].as_int = 0; | 
|  |  | 
|  | av1_initialize_ref_mv_stack(ref_mv_stack[rf[1]], MAX_REF_MV_STACK_SIZE); | 
|  | setup_ref_mv_list(cm, xd, rf[1], &ref_mv_count[rf[1]], | 
|  | ref_mv_stack[rf[1]], ref_mv_weight[rf[1]], NULL, NULL, | 
|  | mv_ref_list ? mv_ref_list[rf[1]] : NULL, gm_mv, mi_row, | 
|  | mi_col | 
|  | #if !CONFIG_C076_INTER_MOD_CTX | 
|  | , | 
|  | mode_context | 
|  | #endif  //! CONFIG_C076_INTER_MOD_CTX | 
|  | , | 
|  | derive_wrl ? warp_param_stack[rf[1]] : NULL, | 
|  | derive_wrl ? max_num_of_warp_candidates : 0, | 
|  | derive_wrl ? &valid_num_warp_candidates[rf[1]] : NULL); | 
|  | } | 
|  | if (derive_wrl) assert(rf[0] == ref_frame); | 
|  | #else | 
|  | if (ref_frame == INTRA_FRAME) { | 
|  | #if CONFIG_IBC_MAX_DRL | 
|  | av1_initialize_ref_mv_stack(ref_mv_stack[ref_frame], | 
|  | cm->features.max_bvp_drl_bits + 1); | 
|  | #else | 
|  | av1_initialize_ref_mv_stack(ref_mv_stack[ref_frame], | 
|  | MAX_REF_BV_STACK_SIZE); | 
|  | #endif  // CONFIG_IBC_MAX_DRL | 
|  | } else { | 
|  | av1_initialize_ref_mv_stack(ref_mv_stack[ref_frame], | 
|  | MAX_REF_MV_STACK_SIZE); | 
|  | } | 
|  | setup_ref_mv_list(cm, xd, ref_frame, &ref_mv_count[ref_frame], | 
|  | ref_mv_stack[ref_frame], ref_mv_weight[ref_frame], NULL, | 
|  | NULL, mv_ref_list ? mv_ref_list[ref_frame] : NULL, gm_mv, | 
|  | mi_row, mi_col | 
|  | #if !CONFIG_C076_INTER_MOD_CTX | 
|  | , | 
|  | mode_context | 
|  | #endif  //! CONFIG_C076_INTER_MOD_CTX | 
|  | , | 
|  | derive_wrl ? warp_param_stack[ref_frame] : NULL, | 
|  | derive_wrl ? max_num_of_warp_candidates : 0, | 
|  | derive_wrl ? &valid_num_warp_candidates[ref_frame] : NULL | 
|  |  | 
|  | ); | 
|  | #endif  // CONFIG_SEP_COMP_DRL | 
|  | } | 
|  | #else | 
|  | if (ref_frame == INTRA_FRAME) { | 
|  | #if CONFIG_IBC_MAX_DRL | 
|  | av1_initialize_ref_mv_stack(ref_mv_stack[ref_frame], | 
|  | cm->features.max_bvp_drl_bits + 1); | 
|  | #else | 
|  | av1_initialize_ref_mv_stack(ref_mv_stack[ref_frame], MAX_REF_BV_STACK_SIZE); | 
|  | #endif  // CONFIG_IBC_MAX_DRL | 
|  | } else { | 
|  | av1_initialize_ref_mv_stack(ref_mv_stack[ref_frame], MAX_REF_MV_STACK_SIZE); | 
|  | } | 
|  | setup_ref_mv_list(cm, xd, ref_frame, &ref_mv_count[ref_frame], | 
|  | ref_mv_stack[ref_frame], ref_mv_weight[ref_frame], | 
|  | mv_ref_list ? mv_ref_list[ref_frame] : NULL, gm_mv, mi_row, | 
|  | mi_col | 
|  | #if !CONFIG_C076_INTER_MOD_CTX | 
|  | , | 
|  | mode_context | 
|  | #endif  //! CONFIG_C076_INTER_MOD_CTX | 
|  | , | 
|  | derive_wrl ? warp_param_stack[ref_frame] : NULL, | 
|  | derive_wrl ? max_num_of_warp_candidates : 0, | 
|  | derive_wrl ? &valid_num_warp_candidates[ref_frame] : NULL); | 
|  | #endif  // CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | } | 
|  |  | 
|  | void av1_find_best_ref_mvs(int_mv *mvlist, int_mv *nearest_mv, int_mv *near_mv, | 
|  | MvSubpelPrecision precision) { | 
|  | int i; | 
|  | // Make sure all the candidates are properly clamped etc | 
|  | for (i = 0; i < MAX_MV_REF_CANDIDATES; ++i) { | 
|  | lower_mv_precision(&mvlist[i].as_mv, precision); | 
|  | } | 
|  | *nearest_mv = mvlist[0]; | 
|  | *near_mv = mvlist[1]; | 
|  | } | 
|  |  | 
|  | void av1_setup_frame_buf_refs(AV1_COMMON *cm) { | 
|  | cm->cur_frame->order_hint = cm->current_frame.order_hint; | 
|  | cm->cur_frame->display_order_hint = cm->current_frame.display_order_hint; | 
|  | cm->cur_frame->absolute_poc = cm->current_frame.absolute_poc; | 
|  | cm->cur_frame->pyramid_level = cm->current_frame.pyramid_level; | 
|  | #if CONFIG_REF_LIST_DERIVATION_FOR_TEMPORAL_SCALABILITY | 
|  | cm->cur_frame->temporal_layer_id = cm->current_frame.temporal_layer_id; | 
|  | #endif  // CONFIG_REF_LIST_DERIVATION_FOR_TEMPORAL_SCALABILITY | 
|  |  | 
|  | MV_REFERENCE_FRAME ref_frame; | 
|  | for (ref_frame = 0; ref_frame < INTER_REFS_PER_FRAME; ++ref_frame) { | 
|  | const RefCntBuffer *const buf = get_ref_frame_buf(cm, ref_frame); | 
|  | if (buf != NULL && ref_frame < cm->ref_frames_info.num_total_refs) { | 
|  | cm->cur_frame->ref_order_hints[ref_frame] = buf->order_hint; | 
|  | cm->cur_frame->ref_display_order_hint[ref_frame] = | 
|  | buf->display_order_hint; | 
|  | } else { | 
|  | cm->cur_frame->ref_order_hints[ref_frame] = -1; | 
|  | cm->cur_frame->ref_display_order_hint[ref_frame] = -1; | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | void av1_setup_frame_sign_bias(AV1_COMMON *cm) { | 
|  | memset(&cm->ref_frame_sign_bias, 0, sizeof(cm->ref_frame_sign_bias)); | 
|  | for (int ref_frame = 0; ref_frame < cm->ref_frames_info.num_future_refs; | 
|  | ++ref_frame) { | 
|  | const int index = cm->ref_frames_info.future_refs[ref_frame]; | 
|  | cm->ref_frame_sign_bias[index] = 1; | 
|  | } | 
|  | } | 
|  |  | 
|  | #if CONFIG_MF_IMPROVEMENT | 
|  | // Get the temporal distance of start_frame to its closest ref frame | 
|  | // that has interpolation property relative to current frame. Interpolation | 
|  | // means start_frame and its ref frame are on two sides of current frame | 
|  | static INLINE int get_dist_to_closest_interp_ref(const AV1_COMMON *const cm, | 
|  | MV_REFERENCE_FRAME start_frame, | 
|  | const int find_forward_ref) { | 
|  | if (start_frame == -1) return INT_MAX; | 
|  | const OrderHintInfo *const order_hint_info = &cm->seq_params.order_hint_info; | 
|  |  | 
|  | const RefCntBuffer *const start_frame_buf = | 
|  | get_ref_frame_buf(cm, start_frame); | 
|  |  | 
|  | if (!is_ref_motion_field_eligible(cm, start_frame_buf)) return INT_MAX; | 
|  |  | 
|  | #if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | const int start_frame_order_hint = start_frame_buf->display_order_hint; | 
|  | const int cur_order_hint = cm->cur_frame->display_order_hint; | 
|  | #else | 
|  | const int start_frame_order_hint = start_frame_buf->order_hint; | 
|  | const int cur_order_hint = cm->cur_frame->order_hint; | 
|  | #endif  // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | int abs_closest_ref_offset = INT_MAX; | 
|  | #if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | const int *const ref_order_hints = | 
|  | &start_frame_buf->ref_display_order_hint[0]; | 
|  | #else | 
|  | const int *const ref_order_hints = &start_frame_buf->ref_order_hints[0]; | 
|  | #endif  // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | for (MV_REFERENCE_FRAME ref = 0; ref < INTER_REFS_PER_FRAME; ++ref) { | 
|  | if (ref_order_hints[ref] != -1) { | 
|  | const int start_to_ref_offset = get_relative_dist( | 
|  | order_hint_info, start_frame_order_hint, ref_order_hints[ref]); | 
|  | const int cur_to_ref_offset = get_relative_dist( | 
|  | order_hint_info, cur_order_hint, ref_order_hints[ref]); | 
|  | const int abs_start_to_ref_offset = abs(start_to_ref_offset); | 
|  | const int is_two_sides = | 
|  | (start_to_ref_offset > 0 && cur_to_ref_offset > 0 && | 
|  | find_forward_ref == 1) || | 
|  | (start_to_ref_offset < 0 && cur_to_ref_offset < 0 && | 
|  | find_forward_ref == 0); | 
|  | if (is_two_sides && abs_start_to_ref_offset < abs_closest_ref_offset) { | 
|  | abs_closest_ref_offset = abs_start_to_ref_offset; | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | return abs_closest_ref_offset; | 
|  | } | 
|  | #endif  // CONFIG_MF_IMPROVEMENT | 
|  |  | 
|  | // Check if a reference frame is an overlay frame (i.e., has the same | 
|  | // order_hint as the current frame). | 
|  | static INLINE int is_ref_overlay(const AV1_COMMON *const cm, int ref) { | 
|  | const OrderHintInfo *const order_hint_info = &cm->seq_params.order_hint_info; | 
|  | if (!order_hint_info->enable_order_hint) return -1; | 
|  | const RefCntBuffer *const buf = get_ref_frame_buf(cm, ref); | 
|  | if (buf == NULL) return -1; | 
|  | #if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | const int ref_order_hint = buf->display_order_hint; | 
|  | for (int r = 0; r < INTER_REFS_PER_FRAME; ++r) { | 
|  | if (buf->ref_display_order_hint[r] == -1) continue; | 
|  | const int ref_ref_order_hint = buf->ref_display_order_hint[r]; | 
|  | if (get_relative_dist(order_hint_info, ref_order_hint, | 
|  | ref_ref_order_hint) == 0) | 
|  | return 1; | 
|  | } | 
|  | #else | 
|  | const int ref_order_hint = buf->order_hint; | 
|  | for (int r = 0; r < INTER_REFS_PER_FRAME; ++r) { | 
|  | if (buf->ref_order_hints[r] == -1) continue; | 
|  | const int ref_ref_order_hint = buf->ref_order_hints[r]; | 
|  | if (get_relative_dist(order_hint_info, ref_order_hint, | 
|  | ref_ref_order_hint) == 0) | 
|  | return 1; | 
|  | } | 
|  | #endif  // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | #if CONFIG_TMVP_MEM_OPT | 
|  | // Performs a topological sort on the reference frames so they are sorted by | 
|  | // their dependency. | 
|  | static void recur_topo_sort_refs(const AV1_COMMON *cm, const bool *is_overlay, | 
|  | int *rf_stack, int *visited, int *stack_count, | 
|  | int rf) { | 
|  | visited[rf] = 1; | 
|  | const RefCntBuffer *const buf = get_ref_frame_buf(cm, rf); | 
|  | if (buf->frame_type == INTER_FRAME) { | 
|  | for (int i = 0; i < INTER_REFS_PER_FRAME; i++) { | 
|  | #if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | const int target_ref_hint = buf->ref_display_order_hint[i]; | 
|  | #else | 
|  | const int target_ref_hint = buf->ref_order_hints[i]; | 
|  | #endif  // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | if (target_ref_hint < 0) continue; | 
|  | int found_rf = -1; | 
|  | for (int j = 0; j < cm->ref_frames_info.num_total_refs; j++) { | 
|  | #if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | const int ref_hint = get_ref_frame_buf(cm, j)->display_order_hint; | 
|  | #else | 
|  | const int ref_hint = get_ref_frame_buf(cm, j)->order_hint; | 
|  | #endif  // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | if (get_relative_dist(&cm->seq_params.order_hint_info, ref_hint, | 
|  | target_ref_hint) == 0) { | 
|  | if (is_overlay[j]) continue; | 
|  | found_rf = j; | 
|  | break; | 
|  | } | 
|  | } | 
|  | if (found_rf == -1) continue; | 
|  | if (visited[found_rf] == 0) { | 
|  | recur_topo_sort_refs(cm, is_overlay, rf_stack, visited, stack_count, | 
|  | found_rf); | 
|  | } | 
|  | } | 
|  | } | 
|  | rf_stack[*stack_count] = rf; | 
|  | *stack_count = *stack_count + 1; | 
|  | } | 
|  |  | 
|  | // Whether a reference frame buffer had a reference frame in the future. | 
|  | static int has_future_ref(const AV1_COMMON *cm, int rf) { | 
|  | if (rf < 0) return 0; | 
|  | RefCntBuffer *buf = get_ref_frame_buf(cm, rf); | 
|  | #if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | const int cur_hint = buf->display_order_hint; | 
|  | #else | 
|  | const int cur_hint = buf->order_hint; | 
|  | #endif  // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | for (int i = 0; i < INTER_REFS_PER_FRAME; i++) { | 
|  | #if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | const int ref_hint = buf->ref_display_order_hint[i]; | 
|  | #else | 
|  | const int ref_hint = buf->ref_order_hints[i]; | 
|  | #endif  // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | if (ref_hint >= 0 && get_relative_dist(&cm->seq_params.order_hint_info, | 
|  | ref_hint, cur_hint) > 0) { | 
|  | return 1; | 
|  | } | 
|  | } | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | // Whether a reference frame buffer had a reference frame in the past. | 
|  | static int has_past_ref(const AV1_COMMON *cm, int rf) { | 
|  | if (rf < 0) return 0; | 
|  | RefCntBuffer *buf = get_ref_frame_buf(cm, rf); | 
|  | #if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | const int cur_hint = buf->display_order_hint; | 
|  | #else | 
|  | const int cur_hint = buf->order_hint; | 
|  | #endif  // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | for (int i = 0; i < INTER_REFS_PER_FRAME; i++) { | 
|  | #if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | const int ref_hint = buf->ref_display_order_hint[i]; | 
|  | #else | 
|  | const int ref_hint = buf->ref_order_hints[i]; | 
|  | #endif  // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | if (ref_hint >= 0 && get_relative_dist(&cm->seq_params.order_hint_info, | 
|  | ref_hint, cur_hint) < 0) { | 
|  | return 1; | 
|  | } | 
|  | } | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | // Struct to store the reference frame motion field candidates. | 
|  | struct ProcessRefTMVP { | 
|  | int type;  // 0 means with side, 1 means with target frame. | 
|  | int side;  // 0 means right to left, 1 means left to right. | 
|  | int start_frame; | 
|  | int target_frame; | 
|  | }; | 
|  |  | 
|  | // Add a reference frame motion field candidate, if we have not reached the | 
|  | // maximum allowed. | 
|  | static void check_and_add_process_ref(const AV1_COMMON *cm, int max_check, | 
|  | int type, int start_frame, | 
|  | int target_frame, int side, | 
|  | int checked_ref[INTER_REFS_PER_FRAME][2], | 
|  | int *checked_count, | 
|  | struct ProcessRefTMVP *process_ref, | 
|  | int *process_count) { | 
|  | if (get_ref_frame_buf(cm, start_frame) == NULL || | 
|  | get_ref_frame_buf(cm, start_frame)->frame_type != INTER_FRAME) | 
|  | return; | 
|  | if (!checked_ref[start_frame][side] && *checked_count < max_check) { | 
|  | checked_ref[start_frame][side] = 1; | 
|  | (*checked_count)++; | 
|  | } | 
|  | if (checked_ref[start_frame][side]) { | 
|  | process_ref[*process_count].type = type; | 
|  | process_ref[*process_count].start_frame = start_frame; | 
|  | process_ref[*process_count].side = side; | 
|  | process_ref[*process_count].target_frame = target_frame; | 
|  | (*process_count)++; | 
|  | } | 
|  | } | 
|  |  | 
|  | #if CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | // Location of the block in reference frame is scaled to the current frame | 
|  | static INLINE void get_scaled_mi_row_col(int mi_r, int mi_c, int *scaled_mi_r, | 
|  | int *scaled_mi_c, | 
|  | const struct scale_factors *sf) { | 
|  | int shift_int = TMVP_SHIFT_BITS + MI_SIZE_LOG2; | 
|  | int shift_sub = SUBPEL_BITS; | 
|  |  | 
|  | // middle position in the reference frame  1-pel unit | 
|  | int orig_pos_y = (mi_r << shift_int) + 4; | 
|  | int orig_pos_x = (mi_c << shift_int) + 4; | 
|  |  | 
|  | // middle position in the reference frame in 1/16-pel unit | 
|  | orig_pos_y = orig_pos_y << shift_sub; | 
|  | orig_pos_x = orig_pos_x << shift_sub; | 
|  |  | 
|  | int scaled_pos_y = (sf->scale_value_y(orig_pos_y, sf)) >> SCALE_EXTRA_BITS; | 
|  | int scaled_pos_x = (sf->scale_value_x(orig_pos_x, sf)) >> SCALE_EXTRA_BITS; | 
|  | *scaled_mi_r = scaled_pos_y >> (shift_int + shift_sub); | 
|  | *scaled_mi_c = scaled_pos_x >> (shift_int + shift_sub); | 
|  | } | 
|  | #endif  // CONFIG_ACROSS_SCALE_TPL_MVS | 
|  |  | 
|  | #if CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  | static INLINE int get_blk_id_k(int this_col, int tmvp_proc_size) { | 
|  | return (this_col / tmvp_proc_size) % 3; | 
|  | } | 
|  | #endif  // CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  |  | 
|  | #if CONFIG_MV_TRAJECTORY | 
|  | #if CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  | // Check if the mv intersects with exisiting trajectories, and if yes, update | 
|  | // the trajectories. | 
|  | static INLINE void check_traj_intersect(AV1_COMMON *cm, | 
|  | MV_REFERENCE_FRAME start_frame, | 
|  | MV_REFERENCE_FRAME end_frame, | 
|  | const MV *mv, int start_row, | 
|  | int start_col, int mvs_cols) { | 
|  | const int clamp_max = MV_UPP - 1; | 
|  | const int clamp_min = MV_LOW + 1; | 
|  | const int start_offset = start_row * mvs_cols + start_col; | 
|  | assert(start_row % cm->tmvp_sample_step == 0); | 
|  | assert(start_col % cm->tmvp_sample_step == 0); | 
|  | #if CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | assert(start_col < mvs_cols); | 
|  | #endif  // CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | // Check starting point | 
|  | for (int k = 0; k < 3; k++) { | 
|  | int **blk_id_map = cm->blk_id_map[k]; | 
|  | if (blk_id_map[start_frame][start_offset] >= 0) { | 
|  | if (end_frame != NONE_FRAME) { | 
|  | int traj_id = blk_id_map[start_frame][start_offset]; | 
|  | int traj_row = traj_id / mvs_cols; | 
|  | int traj_col = traj_id % mvs_cols; | 
|  | assert(traj_row % cm->tmvp_sample_step == 0); | 
|  | assert(traj_col % cm->tmvp_sample_step == 0); | 
|  | if (get_blk_id_k(traj_col, cm->tmvp_proc_size) != k) continue; | 
|  | #if CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | assert(traj_col < mvs_cols); | 
|  | #endif  // CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | if (check_block_position(cm, start_row, start_col, traj_row, | 
|  | traj_col) && | 
|  | cm->id_offset_map[end_frame][traj_id].as_int == INVALID_MV) { | 
|  | // Update trajectory mv | 
|  | cm->id_offset_map[end_frame][traj_id].as_mv.row = | 
|  | clamp(cm->id_offset_map[start_frame][traj_id].as_mv.row + mv->row, | 
|  | clamp_min, clamp_max); | 
|  | cm->id_offset_map[end_frame][traj_id].as_mv.col = | 
|  | clamp(cm->id_offset_map[start_frame][traj_id].as_mv.col + mv->col, | 
|  | clamp_min, clamp_max); | 
|  | // Update reverse mapping | 
|  | int end_row = 0, end_col = 0; | 
|  | int pos_valid; | 
|  | if (cm->id_offset_map[end_frame][traj_id].as_int == 0) { | 
|  | pos_valid = 1; | 
|  | end_row = traj_row; | 
|  | end_col = traj_col; | 
|  | } else { | 
|  | pos_valid = get_block_position( | 
|  | cm, &end_row, &end_col, traj_row, traj_col, | 
|  | cm->id_offset_map[end_frame][traj_id].as_mv, 0); | 
|  | } | 
|  | end_row = (end_row / cm->tmvp_sample_step) * cm->tmvp_sample_step; | 
|  | end_col = (end_col / cm->tmvp_sample_step) * cm->tmvp_sample_step; | 
|  |  | 
|  | #if CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | assert(IMPLIES(pos_valid, end_col >= 0 && end_col < mvs_cols)); | 
|  | #endif  // CONFIG_ACROSS_SCALE_TPL_MVS | 
|  |  | 
|  | if (pos_valid) { | 
|  | blk_id_map[end_frame][end_row * mvs_cols + end_col] = traj_id; | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | // Check ending point | 
|  | if (end_frame != NONE_FRAME) { | 
|  | int end_row = 0, end_col = 0; | 
|  | int pos_valid; | 
|  | if (mv->col == 0 && mv->row == 0) { | 
|  | pos_valid = 1; | 
|  | end_row = start_row; | 
|  | end_col = start_col; | 
|  | } else { | 
|  | pos_valid = get_block_position_no_constraint( | 
|  | cm, &end_row, &end_col, start_row, start_col, *mv, 0); | 
|  | } | 
|  | end_row = (end_row / cm->tmvp_sample_step) * cm->tmvp_sample_step; | 
|  | end_col = (end_col / cm->tmvp_sample_step) * cm->tmvp_sample_step; | 
|  |  | 
|  | #if CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | assert(IMPLIES(pos_valid, end_col >= 0 && end_col < mvs_cols)); | 
|  | #endif  // CONFIG_ACROSS_SCALE_TPL_MVS | 
|  |  | 
|  | const int end_offset = end_row * mvs_cols + end_col; | 
|  | for (int k = 0; k < 3; k++) { | 
|  | int **blk_id_map = cm->blk_id_map[k]; | 
|  | if (pos_valid && blk_id_map[end_frame][end_offset] >= 0) { | 
|  | int traj_id = blk_id_map[end_frame][end_offset]; | 
|  | int traj_row = traj_id / mvs_cols; | 
|  | int traj_col = traj_id % mvs_cols; | 
|  | assert(traj_row % cm->tmvp_sample_step == 0); | 
|  | assert(traj_col % cm->tmvp_sample_step == 0); | 
|  | #if CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | assert(traj_col < mvs_cols); | 
|  | #endif  // CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | if (get_blk_id_k(traj_col, cm->tmvp_proc_size) != k) continue; | 
|  |  | 
|  | if (check_block_position(cm, start_row, start_col, traj_row, | 
|  | traj_col) && | 
|  | check_block_position(cm, end_row, end_col, traj_row, traj_col) && | 
|  | cm->id_offset_map[start_frame][traj_id].as_int == INVALID_MV) { | 
|  | // Update trajectory mv | 
|  | cm->id_offset_map[start_frame][traj_id].as_mv.row = | 
|  | clamp(cm->id_offset_map[end_frame][traj_id].as_mv.row - mv->row, | 
|  | clamp_min, clamp_max); | 
|  | cm->id_offset_map[start_frame][traj_id].as_mv.col = | 
|  | clamp(cm->id_offset_map[end_frame][traj_id].as_mv.col - mv->col, | 
|  | clamp_min, clamp_max); | 
|  | // Update reverse mapping | 
|  | int new_start_row = 0, new_start_col = 0; | 
|  | int new_pos_valid; | 
|  | if (cm->id_offset_map[start_frame][traj_id].as_int == 0) { | 
|  | new_pos_valid = 1; | 
|  | new_start_row = traj_row; | 
|  | new_start_col = traj_col; | 
|  | } else { | 
|  | new_pos_valid = get_block_position( | 
|  | cm, &new_start_row, &new_start_col, traj_row, traj_col, | 
|  | cm->id_offset_map[start_frame][traj_id].as_mv, 0); | 
|  | } | 
|  |  | 
|  | new_start_row = | 
|  | (new_start_row / cm->tmvp_sample_step) * cm->tmvp_sample_step; | 
|  | new_start_col = | 
|  | (new_start_col / cm->tmvp_sample_step) * cm->tmvp_sample_step; | 
|  |  | 
|  | #if CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | assert(IMPLIES(new_pos_valid, | 
|  | new_start_col >= 0 && new_start_col < mvs_cols)); | 
|  | #endif  // CONFIG_ACROSS_SCALE_TPL_MVS | 
|  |  | 
|  | if (new_pos_valid) { | 
|  | blk_id_map[start_frame][new_start_row * mvs_cols + new_start_col] = | 
|  | traj_id; | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | #if USE_PER_BLOCK_TMVP | 
|  | void check_traj_intersect_block(AV1_COMMON *cm, MV_REFERENCE_FRAME start_frame, | 
|  | MV_REFERENCE_FRAME end_frame, const MV *mv, | 
|  | int start_row, int start_col, int mvs_cols, | 
|  | int res_start_row, int res_start_col, | 
|  | int res_end_row, int res_end_col) { | 
|  | const int clamp_max = MV_UPP - 1; | 
|  | const int clamp_min = MV_LOW + 1; | 
|  | const int start_offset = start_row * mvs_cols + start_col; | 
|  | assert(start_row % cm->tmvp_sample_step == 0); | 
|  | assert(start_col % cm->tmvp_sample_step == 0); | 
|  | #if CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | assert(start_col < mvs_cols); | 
|  | #endif  // CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | // Check starting point | 
|  | if (cm->blk_id_map[0][start_frame][start_offset] >= 0) { | 
|  | if (end_frame != NONE_FRAME) { | 
|  | int traj_id = cm->blk_id_map[0][start_frame][start_offset]; | 
|  | int traj_row = traj_id / mvs_cols; | 
|  | int traj_col = traj_id % mvs_cols; | 
|  | assert(traj_row % cm->tmvp_sample_step == 0); | 
|  | assert(traj_col % cm->tmvp_sample_step == 0); | 
|  | #if CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | assert(traj_col < mvs_cols); | 
|  | #endif  // CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | if (check_block_position(cm, start_row, start_col, traj_row, traj_col) && | 
|  | cm->id_offset_map[end_frame][traj_id].as_int == INVALID_MV && | 
|  | traj_row >= res_start_row && traj_row < res_end_row && | 
|  | traj_col >= res_start_col && traj_col < res_end_col) { | 
|  | // Update trajectory mv | 
|  | cm->id_offset_map[end_frame][traj_id].as_mv.row = | 
|  | clamp(cm->id_offset_map[start_frame][traj_id].as_mv.row + mv->row, | 
|  | clamp_min, clamp_max); | 
|  | cm->id_offset_map[end_frame][traj_id].as_mv.col = | 
|  | clamp(cm->id_offset_map[start_frame][traj_id].as_mv.col + mv->col, | 
|  | clamp_min, clamp_max); | 
|  |  | 
|  | // Update reverse mapping | 
|  | int end_row = 0, end_col = 0; | 
|  | int pos_valid; | 
|  | if (cm->id_offset_map[end_frame][traj_id].as_int == 0) { | 
|  | pos_valid = 1; | 
|  | end_row = traj_row; | 
|  | end_col = traj_col; | 
|  | } else { | 
|  | pos_valid = get_block_position( | 
|  | cm, &end_row, &end_col, traj_row, traj_col, | 
|  | cm->id_offset_map[end_frame][traj_id].as_mv, 0); | 
|  | } | 
|  | end_row = (end_row / cm->tmvp_sample_step) * cm->tmvp_sample_step; | 
|  | end_col = (end_col / cm->tmvp_sample_step) * cm->tmvp_sample_step; | 
|  |  | 
|  | #if CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | assert(IMPLIES(pos_valid, end_col >= 0 && end_col < mvs_cols)); | 
|  | #endif  // CONFIG_ACROSS_SCALE_TPL_MVS | 
|  |  | 
|  | if (pos_valid) { | 
|  | cm->blk_id_map[0][end_frame][end_row * mvs_cols + end_col] = traj_id; | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | // Check ending point | 
|  | if (end_frame != NONE_FRAME) { | 
|  | int end_row = 0, end_col = 0; | 
|  | int pos_valid; | 
|  | if (mv->col == 0 && mv->row == 0) { | 
|  | pos_valid = 1; | 
|  | end_row = start_row; | 
|  | end_col = start_col; | 
|  | } else { | 
|  | pos_valid = get_block_position_no_constraint( | 
|  | cm, &end_row, &end_col, start_row, start_col, *mv, 0); | 
|  | } | 
|  | end_row = (end_row / cm->tmvp_sample_step) * cm->tmvp_sample_step; | 
|  | end_col = (end_col / cm->tmvp_sample_step) * cm->tmvp_sample_step; | 
|  |  | 
|  | #if CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | assert(IMPLIES(pos_valid, end_col >= 0 && end_col < mvs_cols)); | 
|  | #endif  // CONFIG_ACROSS_SCALE_TPL_MVS | 
|  |  | 
|  | const int end_offset = end_row * mvs_cols + end_col; | 
|  | if (pos_valid && cm->blk_id_map[0][end_frame][end_offset] >= 0) { | 
|  | int traj_id = cm->blk_id_map[0][end_frame][end_offset]; | 
|  | int traj_row = traj_id / mvs_cols; | 
|  | int traj_col = traj_id % mvs_cols; | 
|  | assert(traj_row % cm->tmvp_sample_step == 0); | 
|  | assert(traj_col % cm->tmvp_sample_step == 0); | 
|  | #if CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | assert(traj_col < mvs_cols); | 
|  | #endif  // CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | if (check_block_position(cm, start_row, start_col, traj_row, traj_col) && | 
|  | check_block_position(cm, end_row, end_col, traj_row, traj_col) && | 
|  | cm->id_offset_map[start_frame][traj_id].as_int == INVALID_MV && | 
|  | traj_row >= res_start_row && traj_row < res_end_row && | 
|  | traj_col >= res_start_col && traj_col < res_end_col) { | 
|  | // Update trajectory mv | 
|  | cm->id_offset_map[start_frame][traj_id].as_mv.row = | 
|  | clamp(cm->id_offset_map[end_frame][traj_id].as_mv.row - mv->row, | 
|  | clamp_min, clamp_max); | 
|  | cm->id_offset_map[start_frame][traj_id].as_mv.col = | 
|  | clamp(cm->id_offset_map[end_frame][traj_id].as_mv.col - mv->col, | 
|  | clamp_min, clamp_max); | 
|  |  | 
|  | // Update reverse mapping | 
|  | int new_start_row = 0, new_start_col = 0; | 
|  | int new_pos_valid; | 
|  |  | 
|  | if (cm->id_offset_map[start_frame][traj_id].as_int == 0) { | 
|  | new_pos_valid = 1; | 
|  | new_start_row = traj_row; | 
|  | new_start_col = traj_col; | 
|  | } else { | 
|  | new_pos_valid = get_block_position( | 
|  | cm, &new_start_row, &new_start_col, traj_row, traj_col, | 
|  | cm->id_offset_map[start_frame][traj_id].as_mv, 0); | 
|  | } | 
|  | new_start_row = | 
|  | (new_start_row / cm->tmvp_sample_step) * cm->tmvp_sample_step; | 
|  | new_start_col = | 
|  | (new_start_col / cm->tmvp_sample_step) * cm->tmvp_sample_step; | 
|  |  | 
|  | #if CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | assert(IMPLIES(new_pos_valid, | 
|  | new_start_col >= 0 && new_start_col < mvs_cols)); | 
|  | #endif  // CONFIG_ACROSS_SCALE_TPL_MVS | 
|  |  | 
|  | if (new_pos_valid) { | 
|  | cm->blk_id_map[0][start_frame] | 
|  | [new_start_row * mvs_cols + new_start_col] = traj_id; | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | #endif  // USE_PER_BLOCK_TMVP | 
|  | #else | 
|  | // Check if the mv intersects with exisiting trajectories, and if yes, update | 
|  | // the trajectories. | 
|  | static INLINE void check_traj_intersect(AV1_COMMON *cm, | 
|  | MV_REFERENCE_FRAME start_frame, | 
|  | MV_REFERENCE_FRAME end_frame, | 
|  | const MV *mv, int start_row, | 
|  | int start_col, int mvs_cols) { | 
|  | const int clamp_max = MV_UPP - 1; | 
|  | const int clamp_min = MV_LOW + 1; | 
|  | const int start_offset = start_row * mvs_cols + start_col; | 
|  | assert(start_row % cm->tmvp_sample_step == 0); | 
|  | assert(start_col % cm->tmvp_sample_step == 0); | 
|  | #if CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | assert(start_col < mvs_cols); | 
|  | #endif  // CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | // Check starting point | 
|  | if (cm->blk_id_map[start_frame][start_offset] >= 0) { | 
|  | if (end_frame != NONE_FRAME) { | 
|  | int traj_id = cm->blk_id_map[start_frame][start_offset]; | 
|  | int traj_row = traj_id / mvs_cols; | 
|  | int traj_col = traj_id % mvs_cols; | 
|  | assert(traj_row % cm->tmvp_sample_step == 0); | 
|  | assert(traj_col % cm->tmvp_sample_step == 0); | 
|  | #if CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | assert(traj_col < mvs_cols); | 
|  | #endif  // CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | if (cm->id_offset_map[end_frame][traj_id].as_int == INVALID_MV) { | 
|  | // Update trajectory mv | 
|  | cm->id_offset_map[end_frame][traj_id].as_mv.row = | 
|  | clamp(cm->id_offset_map[start_frame][traj_id].as_mv.row + mv->row, | 
|  | clamp_min, clamp_max); | 
|  | cm->id_offset_map[end_frame][traj_id].as_mv.col = | 
|  | clamp(cm->id_offset_map[start_frame][traj_id].as_mv.col + mv->col, | 
|  | clamp_min, clamp_max); | 
|  | // Update reverse mapping | 
|  | int end_row = 0, end_col = 0; | 
|  | int pos_valid; | 
|  | if (cm->id_offset_map[end_frame][traj_id].as_int == 0) { | 
|  | pos_valid = 1; | 
|  | end_row = traj_row; | 
|  | end_col = traj_col; | 
|  | } else { | 
|  | pos_valid = get_block_position( | 
|  | cm, &end_row, &end_col, traj_row, traj_col, | 
|  | cm->id_offset_map[end_frame][traj_id].as_mv, 0); | 
|  | } | 
|  | end_row = (end_row / cm->tmvp_sample_step) * cm->tmvp_sample_step; | 
|  | end_col = (end_col / cm->tmvp_sample_step) * cm->tmvp_sample_step; | 
|  |  | 
|  | #if CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | assert(IMPLIES(pos_valid, end_col >= 0 && end_col < mvs_cols)); | 
|  | #endif  // CONFIG_ACROSS_SCALE_TPL_MVS | 
|  |  | 
|  | if (pos_valid) { | 
|  | cm->blk_id_map[end_frame][end_row * mvs_cols + end_col] = traj_id; | 
|  | } | 
|  | } | 
|  | } | 
|  | return; | 
|  | } | 
|  |  | 
|  | // Check ending point | 
|  | if (end_frame != NONE_FRAME) { | 
|  | int end_row = 0, end_col = 0; | 
|  | int pos_valid; | 
|  | if (mv->col == 0 && mv->row == 0) { | 
|  | pos_valid = 1; | 
|  | end_row = start_row; | 
|  | end_col = start_col; | 
|  | } else { | 
|  | pos_valid = get_block_position(cm, &end_row, &end_col, start_row, | 
|  | start_col, *mv, 0); | 
|  | } | 
|  | end_row = (end_row / cm->tmvp_sample_step) * cm->tmvp_sample_step; | 
|  | end_col = (end_col / cm->tmvp_sample_step) * cm->tmvp_sample_step; | 
|  |  | 
|  | #if CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | assert(IMPLIES(pos_valid, end_col >= 0 && end_col < mvs_cols)); | 
|  | #endif  // CONFIG_ACROSS_SCALE_TPL_MVS | 
|  |  | 
|  | const int end_offset = end_row * mvs_cols + end_col; | 
|  | if (pos_valid && cm->blk_id_map[end_frame][end_offset] >= 0) { | 
|  | int traj_id = cm->blk_id_map[end_frame][end_offset]; | 
|  | int traj_row = traj_id / mvs_cols; | 
|  | int traj_col = traj_id % mvs_cols; | 
|  | assert(traj_row % cm->tmvp_sample_step == 0); | 
|  | assert(traj_col % cm->tmvp_sample_step == 0); | 
|  | #if CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | assert(traj_col < mvs_cols); | 
|  | #endif  // CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | if (cm->id_offset_map[start_frame][traj_id].as_int == INVALID_MV) { | 
|  | // Update trajectory mv | 
|  | cm->id_offset_map[start_frame][traj_id].as_mv.row = | 
|  | clamp(cm->id_offset_map[end_frame][traj_id].as_mv.row - mv->row, | 
|  | clamp_min, clamp_max); | 
|  | cm->id_offset_map[start_frame][traj_id].as_mv.col = | 
|  | clamp(cm->id_offset_map[end_frame][traj_id].as_mv.col - mv->col, | 
|  | clamp_min, clamp_max); | 
|  | // Update reverse mapping | 
|  | int new_start_row = 0, new_start_col = 0; | 
|  | int new_pos_valid; | 
|  | if (cm->id_offset_map[start_frame][traj_id].as_int == 0) { | 
|  | new_pos_valid = 1; | 
|  | new_start_row = traj_row; | 
|  | new_start_col = traj_col; | 
|  | } else { | 
|  | new_pos_valid = get_block_position( | 
|  | cm, &new_start_row, &new_start_col, traj_row, traj_col, | 
|  | cm->id_offset_map[start_frame][traj_id].as_mv, 0); | 
|  | } | 
|  |  | 
|  | new_start_row = | 
|  | (new_start_row / cm->tmvp_sample_step) * cm->tmvp_sample_step; | 
|  | new_start_col = | 
|  | (new_start_col / cm->tmvp_sample_step) * cm->tmvp_sample_step; | 
|  |  | 
|  | #if CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | assert(IMPLIES(new_pos_valid, | 
|  | new_start_col >= 0 && new_start_col < mvs_cols)); | 
|  | #endif  // CONFIG_ACROSS_SCALE_TPL_MVS | 
|  |  | 
|  | if (new_pos_valid) { | 
|  | cm->blk_id_map[start_frame] | 
|  | [new_start_row * mvs_cols + new_start_col] = traj_id; | 
|  | } | 
|  | } | 
|  |  | 
|  | return; | 
|  | } | 
|  | } | 
|  | } | 
|  | #endif  // CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  | #endif  // CONFIG_MV_TRAJECTORY | 
|  |  | 
|  | // Calculate the projected motion field from the TMVP mvs that points from | 
|  | // start_frame to target_frame. | 
|  | static int motion_field_projection_start_target( | 
|  | AV1_COMMON *cm, MV_REFERENCE_FRAME start_frame, | 
|  | MV_REFERENCE_FRAME target_frame) { | 
|  | #if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | const int cur_order_hint = cm->cur_frame->display_order_hint; | 
|  | int start_order_hint = get_ref_frame_buf(cm, start_frame)->display_order_hint; | 
|  | int target_order_hint = | 
|  | get_ref_frame_buf(cm, target_frame)->display_order_hint; | 
|  | #else | 
|  | const int cur_order_hint = cm->cur_frame->order_hint; | 
|  | int start_order_hint = get_ref_frame_buf(cm, start_frame)->order_hint; | 
|  | int target_order_hint = get_ref_frame_buf(cm, target_frame)->order_hint; | 
|  | #endif  // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  |  | 
|  | OrderHintInfo *order_hint_info = &cm->seq_params.order_hint_info; | 
|  |  | 
|  | int ref_frame_offset = | 
|  | get_relative_dist(order_hint_info, start_order_hint, target_order_hint); | 
|  |  | 
|  | if (abs(ref_frame_offset) > MAX_FRAME_DISTANCE) { | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | const RefCntBuffer *const start_frame_buf = | 
|  | get_ref_frame_buf(cm, start_frame); | 
|  | if (!is_ref_motion_field_eligible(cm, start_frame_buf)) return 0; | 
|  |  | 
|  | #if CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | const int is_scaled = (start_frame_buf->width != cm->width || | 
|  | start_frame_buf->height != cm->height); | 
|  | struct scale_factors sf_; | 
|  | // Inverse scale factor | 
|  | av1_setup_scale_factors_for_frame(&sf_, cm->width, cm->height, | 
|  | start_frame_buf->width, | 
|  | start_frame_buf->height); | 
|  | const struct scale_factors *sf = &sf_; | 
|  | #else | 
|  | assert(start_frame_buf->width == cm->width && | 
|  | start_frame_buf->height == cm->height); | 
|  | #endif  // CONFIG_ACROSS_SCALE_TPL_MVS | 
|  |  | 
|  | #if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | const int *const ref_order_hints = start_frame_buf->ref_display_order_hint; | 
|  | #else | 
|  | const int *const ref_order_hints = &start_frame_buf->ref_order_hints[0]; | 
|  | #endif  // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  |  | 
|  | int start_to_current_frame_offset = | 
|  | get_relative_dist(order_hint_info, start_order_hint, cur_order_hint); | 
|  |  | 
|  | if (abs(start_to_current_frame_offset) > MAX_FRAME_DISTANCE) { | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | const int is_backward = ref_frame_offset < 0; | 
|  | int mv_idx = is_backward ? 1 : 0; | 
|  | if (is_backward) { | 
|  | ref_frame_offset = -ref_frame_offset; | 
|  | start_to_current_frame_offset = -start_to_current_frame_offset; | 
|  | } | 
|  |  | 
|  | const int temporal_scale_factor = | 
|  | tip_derive_scale_factor(start_to_current_frame_offset, ref_frame_offset); | 
|  | #if CONFIG_MV_TRAJECTORY | 
|  | const int ref_temporal_scale_factor = tip_derive_scale_factor( | 
|  | -ref_frame_offset + start_to_current_frame_offset, -ref_frame_offset); | 
|  | #endif  // CONFIG_MV_TRAJECTORY | 
|  |  | 
|  | TPL_MV_REF *tpl_mvs_base = cm->tpl_mvs; | 
|  | const MV_REF *mv_ref_base = start_frame_buf->mvs; | 
|  | const int mvs_rows = | 
|  | ROUND_POWER_OF_TWO(cm->mi_params.mi_rows, TMVP_SHIFT_BITS); | 
|  | const int mvs_cols = | 
|  | ROUND_POWER_OF_TWO(cm->mi_params.mi_cols, TMVP_SHIFT_BITS); | 
|  | const int mvs_stride = mvs_cols; | 
|  | const int start_mvs_rows = | 
|  | ROUND_POWER_OF_TWO(start_frame_buf->mi_rows, TMVP_SHIFT_BITS); | 
|  | const int start_mvs_cols = | 
|  | ROUND_POWER_OF_TWO(start_frame_buf->mi_cols, TMVP_SHIFT_BITS); | 
|  | (void)mvs_rows; | 
|  |  | 
|  | assert(cm->tmvp_sample_step > 0); | 
|  | for (int blk_row = 0; blk_row < start_mvs_rows; | 
|  | blk_row += cm->tmvp_sample_step) { | 
|  | for (int blk_col = 0; blk_col < start_mvs_cols; | 
|  | blk_col += cm->tmvp_sample_step) { | 
|  | const MV_REF *mv_ref = &mv_ref_base[blk_row * start_mvs_cols + blk_col]; | 
|  | if (is_inter_ref_frame(mv_ref->ref_frame[mv_idx])) { | 
|  | const int ref_frame_order_hint = | 
|  | ref_order_hints[mv_ref->ref_frame[mv_idx]]; | 
|  | if (get_relative_dist(order_hint_info, ref_frame_order_hint, | 
|  | target_order_hint) == 0) { | 
|  | MV ref_mv = mv_ref->mv[mv_idx].as_mv; | 
|  | #if CONFIG_TMVP_MV_COMPRESSION | 
|  | fetch_mv_from_tmvp(&ref_mv); | 
|  | #endif  // CONFIG_TMVP_MV_COMPRESSION | 
|  | int scaled_blk_col = blk_col; | 
|  | int scaled_blk_row = blk_row; | 
|  | #if CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | if (is_scaled) { | 
|  | get_scaled_mi_row_col(blk_row, blk_col, &scaled_blk_row, | 
|  | &scaled_blk_col, sf); | 
|  | scaled_blk_row = clamp(scaled_blk_row, 0, mvs_rows - 1); | 
|  | scaled_blk_col = clamp(scaled_blk_col, 0, mvs_cols - 1); | 
|  | scaled_blk_row = | 
|  | (scaled_blk_row / cm->tmvp_sample_step) * cm->tmvp_sample_step; | 
|  | scaled_blk_col = | 
|  | (scaled_blk_col / cm->tmvp_sample_step) * cm->tmvp_sample_step; | 
|  |  | 
|  | assert(blk_row == scaled_blk_row);  // only 1D super-res is allowed | 
|  | ref_mv.row = | 
|  | ref_mv.row == 0 ? 0 : sf->scale_value_y_gen(ref_mv.row, sf); | 
|  | ref_mv.col = | 
|  | ref_mv.col == 0 ? 0 : sf->scale_value_x_gen(ref_mv.col, sf); | 
|  | } | 
|  | #endif  // CONFIG_ACROSS_SCALE_TPL_MVS | 
|  |  | 
|  | #if CONFIG_MV_TRAJECTORY | 
|  | #if CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  | if (cm->seq_params.enable_mv_traj) { | 
|  | #endif  // CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  | check_traj_intersect(cm, start_frame, target_frame, &ref_mv, | 
|  | scaled_blk_row, scaled_blk_col, mvs_cols); | 
|  | #if CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  | } | 
|  | #endif  // CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  | #endif  // CONFIG_MV_TRAJECTORY | 
|  |  | 
|  | int_mv this_mv; | 
|  | int mi_r = 0; | 
|  | int mi_c = 0; | 
|  | tip_get_mv_projection(&this_mv.as_mv, ref_mv, temporal_scale_factor); | 
|  | int pos_valid; | 
|  | if (this_mv.as_int == 0) { | 
|  | pos_valid = 1; | 
|  | mi_r = scaled_blk_row; | 
|  | mi_c = scaled_blk_col; | 
|  | } else { | 
|  | #if CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  | pos_valid = get_block_position_no_constraint( | 
|  | cm, &mi_r, &mi_c, scaled_blk_row, scaled_blk_col, this_mv.as_mv, | 
|  | 0); | 
|  | #else | 
|  | pos_valid = get_block_position(cm, &mi_r, &mi_c, scaled_blk_row, | 
|  | scaled_blk_col, this_mv.as_mv, 0); | 
|  | #endif  // CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  | } | 
|  | mi_r = (mi_r / cm->tmvp_sample_step) * cm->tmvp_sample_step; | 
|  | mi_c = (mi_c / cm->tmvp_sample_step) * cm->tmvp_sample_step; | 
|  |  | 
|  | #if CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | if (is_scaled) { | 
|  | assert((mi_r % cm->tmvp_sample_step) == 0); | 
|  | assert((mi_c % cm->tmvp_sample_step) == 0); | 
|  | if (mi_r < 0 || mi_r >= mvs_rows || mi_c < 0 || mi_c >= mvs_cols) | 
|  | pos_valid = 0; | 
|  | } | 
|  | #endif  // CONFIG_ACROSS_SCALE_TPL_MVS | 
|  |  | 
|  | #if CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  | if (pos_valid) | 
|  | pos_valid = check_block_position(cm, scaled_blk_row, scaled_blk_col, | 
|  | mi_r, mi_c); | 
|  | #endif  // CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  |  | 
|  | if (pos_valid) { | 
|  | const int mi_offset = mi_r * mvs_stride + mi_c; | 
|  | if (tpl_mvs_base[mi_offset].mfmv0.as_int == INVALID_MV) { | 
|  | #if CONFIG_MV_TRAJECTORY | 
|  | #if CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  | if (cm->seq_params.enable_mv_traj) { | 
|  | int traj_id = mi_offset; | 
|  | int blk_id_k = get_blk_id_k(mi_c, cm->tmvp_proc_size); | 
|  | int **blk_id_map = cm->blk_id_map[blk_id_k]; | 
|  |  | 
|  | cm->id_offset_map[start_frame][traj_id].as_mv.row = | 
|  | -this_mv.as_mv.row; | 
|  | cm->id_offset_map[start_frame][traj_id].as_mv.col = | 
|  | -this_mv.as_mv.col; | 
|  | blk_id_map[start_frame][scaled_blk_row * mvs_cols + | 
|  | scaled_blk_col] = traj_id; | 
|  |  | 
|  | MV target_frame_mv; | 
|  | tip_get_mv_projection(&target_frame_mv, ref_mv, | 
|  | ref_temporal_scale_factor); | 
|  | cm->id_offset_map[target_frame][traj_id].as_mv = | 
|  | target_frame_mv; | 
|  | int target_row = 0, target_col = 0; | 
|  | int target_pos_valid; | 
|  | if (ref_mv.row == 0 && ref_mv.col == 0) { | 
|  | target_pos_valid = 1; | 
|  | target_row = scaled_blk_row; | 
|  | target_col = scaled_blk_col; | 
|  | } else { | 
|  | target_pos_valid = get_block_position_no_constraint( | 
|  | cm, &target_row, &target_col, scaled_blk_row, | 
|  | scaled_blk_col, ref_mv, 0); | 
|  | } | 
|  | target_row = | 
|  | (target_row / cm->tmvp_sample_step) * cm->tmvp_sample_step; | 
|  | target_col = | 
|  | (target_col / cm->tmvp_sample_step) * cm->tmvp_sample_step; | 
|  |  | 
|  | if (target_pos_valid) | 
|  | target_pos_valid = check_block_position( | 
|  | cm, target_row, target_col, mi_r, mi_c); | 
|  |  | 
|  | #if CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | assert(IMPLIES(target_pos_valid, | 
|  | target_col >= 0 && target_col < mvs_cols && | 
|  | target_row >= 0 && target_row < mvs_rows)); | 
|  | #endif  // CONFIG_ACROSS_SCALE_TPL_MVS | 
|  |  | 
|  | if (target_pos_valid) { | 
|  | blk_id_map[target_frame][target_row * mvs_cols + target_col] = | 
|  | traj_id; | 
|  | } | 
|  | } | 
|  | #else | 
|  | int traj_id = mi_offset; | 
|  |  | 
|  | cm->id_offset_map[start_frame][traj_id].as_mv.row = | 
|  | -this_mv.as_mv.row; | 
|  | cm->id_offset_map[start_frame][traj_id].as_mv.col = | 
|  | -this_mv.as_mv.col; | 
|  | cm->blk_id_map[start_frame][scaled_blk_row * mvs_cols + | 
|  | scaled_blk_col] = traj_id; | 
|  |  | 
|  | MV target_frame_mv; | 
|  | tip_get_mv_projection(&target_frame_mv, ref_mv, | 
|  | ref_temporal_scale_factor); | 
|  | cm->id_offset_map[target_frame][traj_id].as_mv = target_frame_mv; | 
|  | int target_row = 0, target_col = 0; | 
|  | int target_pos_valid; | 
|  | if (ref_mv.row == 0 && ref_mv.col == 0) { | 
|  | target_pos_valid = 1; | 
|  | target_row = scaled_blk_row; | 
|  | target_col = scaled_blk_col; | 
|  | } else { | 
|  | target_pos_valid = get_block_position( | 
|  | cm, &target_row, &target_col, scaled_blk_row, | 
|  | scaled_blk_col, ref_mv, 0); | 
|  | } | 
|  | target_row = | 
|  | (target_row / cm->tmvp_sample_step) * cm->tmvp_sample_step; | 
|  | target_col = | 
|  | (target_col / cm->tmvp_sample_step) * cm->tmvp_sample_step; | 
|  |  | 
|  | #if CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | assert(IMPLIES(target_pos_valid, | 
|  | target_col >= 0 && target_col < mvs_cols && | 
|  | target_row >= 0 && target_row < mvs_rows)); | 
|  | #endif  // CONFIG_ACROSS_SCALE_TPL_MVS | 
|  |  | 
|  | if (target_pos_valid) { | 
|  | cm->blk_id_map[target_frame] | 
|  | [target_row * mvs_cols + target_col] = traj_id; | 
|  | } | 
|  | #endif  // CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  | #endif  // CONFIG_MV_TRAJECTORY | 
|  |  | 
|  | if (is_backward) { | 
|  | ref_mv.row = -ref_mv.row; | 
|  | ref_mv.col = -ref_mv.col; | 
|  | } | 
|  | tpl_mvs_base[mi_offset].mfmv0.as_mv.row = ref_mv.row; | 
|  | tpl_mvs_base[mi_offset].mfmv0.as_mv.col = ref_mv.col; | 
|  | tpl_mvs_base[mi_offset].ref_frame_offset = ref_frame_offset; | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | return 1; | 
|  | } | 
|  |  | 
|  | // Calculate the projected motion field from the TMVP mvs that points from | 
|  | // start_frame to one side. | 
|  | static int motion_field_projection_side(AV1_COMMON *cm, | 
|  | MV_REFERENCE_FRAME start_frame, | 
|  | int side_idx) { | 
|  | TPL_MV_REF *tpl_mvs_base = cm->tpl_mvs; | 
|  | int ref_offset[INTER_REFS_PER_FRAME] = { 0 }; | 
|  |  | 
|  | const RefCntBuffer *const start_frame_buf = | 
|  | get_ref_frame_buf(cm, start_frame); | 
|  | if (!is_ref_motion_field_eligible(cm, start_frame_buf)) return 0; | 
|  |  | 
|  | #if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | const int start_frame_order_hint = start_frame_buf->display_order_hint; | 
|  | const int cur_order_hint = cm->cur_frame->display_order_hint; | 
|  | #else | 
|  | const int start_frame_order_hint = start_frame_buf->order_hint; | 
|  | const int cur_order_hint = cm->cur_frame->order_hint; | 
|  | #endif  // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | int start_to_current_frame_offset = get_relative_dist( | 
|  | &cm->seq_params.order_hint_info, start_frame_order_hint, cur_order_hint); | 
|  |  | 
|  | if (abs(start_to_current_frame_offset) > MAX_FRAME_DISTANCE) { | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | int temporal_scale_factor[REF_FRAMES] = { 0 }; | 
|  | #if CONFIG_MV_TRAJECTORY | 
|  | int ref_temporal_scale_factor[REF_FRAMES] = { 0 }; | 
|  | #endif  // CONFIG_MV_TRAJECTORY | 
|  | int ref_abs_offset[REF_FRAMES] = { 0 }; | 
|  |  | 
|  | #if CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | const int is_scaled = (start_frame_buf->width != cm->width || | 
|  | start_frame_buf->height != cm->height); | 
|  | struct scale_factors sf_; | 
|  | // Inverse scale factor | 
|  | av1_setup_scale_factors_for_frame(&sf_, cm->width, cm->height, | 
|  | start_frame_buf->width, | 
|  | start_frame_buf->height); | 
|  | const struct scale_factors *sf = &sf_; | 
|  | #else | 
|  | assert(start_frame_buf->width == cm->width && | 
|  | start_frame_buf->height == cm->height); | 
|  | #endif  // CONFIG_ACROSS_SCALE_TPL_MVS | 
|  |  | 
|  | #if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | const int *const ref_order_hints = | 
|  | &start_frame_buf->ref_display_order_hint[0]; | 
|  | #else | 
|  | const int *const ref_order_hints = &start_frame_buf->ref_order_hints[0]; | 
|  | #endif  // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | for (MV_REFERENCE_FRAME rf = 0; rf < INTER_REFS_PER_FRAME; ++rf) { | 
|  | if (ref_order_hints[rf] != -1) { | 
|  | ref_offset[rf] = | 
|  | get_relative_dist(&cm->seq_params.order_hint_info, | 
|  | start_frame_order_hint, ref_order_hints[rf]); | 
|  | ref_abs_offset[rf] = abs(ref_offset[rf]); | 
|  | temporal_scale_factor[rf] = tip_derive_scale_factor( | 
|  | start_to_current_frame_offset, ref_offset[rf]); | 
|  | #if CONFIG_MV_TRAJECTORY | 
|  | int ref_to_current_frame_offset = | 
|  | -ref_offset[rf] + start_to_current_frame_offset; | 
|  | ref_temporal_scale_factor[rf] = | 
|  | tip_derive_scale_factor(ref_to_current_frame_offset, -ref_offset[rf]); | 
|  | #endif  // CONFIG_MV_TRAJECTORY | 
|  | } | 
|  | } | 
|  |  | 
|  | #if CONFIG_MV_TRAJECTORY | 
|  | int start_ref_map[INTER_REFS_PER_FRAME]; | 
|  | for (int k = 0; k < INTER_REFS_PER_FRAME; k++) { | 
|  | #if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | const int ref_k_hint = start_frame_buf->ref_display_order_hint[k]; | 
|  | #else | 
|  | const int ref_k_hint = start_frame_buf->ref_order_hints[k]; | 
|  | #endif | 
|  | start_ref_map[k] = NONE_FRAME; | 
|  | for (int rf = 0; rf < cm->ref_frames_info.num_total_refs; rf++) { | 
|  | #if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | const int rf_hint = get_ref_frame_buf(cm, rf)->display_order_hint; | 
|  | #else | 
|  | const int rf_hint = get_ref_frame_buf(cm, rf)->order_hint; | 
|  | #endif | 
|  | if (rf_hint >= 0 && ref_k_hint >= 0 && | 
|  | get_relative_dist(&cm->seq_params.order_hint_info, rf_hint, | 
|  | ref_k_hint) == 0) { | 
|  | start_ref_map[k] = rf; | 
|  | break; | 
|  | } | 
|  | } | 
|  | } | 
|  | #endif  // CONFIG_MV_TRAJECTORY | 
|  |  | 
|  | MV_REF *mv_ref_base = start_frame_buf->mvs; | 
|  | const int mvs_rows = | 
|  | ROUND_POWER_OF_TWO(cm->mi_params.mi_rows, TMVP_SHIFT_BITS); | 
|  | const int mvs_cols = | 
|  | ROUND_POWER_OF_TWO(cm->mi_params.mi_cols, TMVP_SHIFT_BITS); | 
|  | const int mvs_stride = mvs_cols; | 
|  | const int start_mvs_rows = | 
|  | ROUND_POWER_OF_TWO(start_frame_buf->mi_rows, TMVP_SHIFT_BITS); | 
|  | const int start_mvs_cols = | 
|  | ROUND_POWER_OF_TWO(start_frame_buf->mi_cols, TMVP_SHIFT_BITS); | 
|  | (void)mvs_rows; | 
|  |  | 
|  | assert(cm->tmvp_sample_step > 0); | 
|  | for (int blk_row = 0; blk_row < start_mvs_rows; | 
|  | blk_row += cm->tmvp_sample_step) { | 
|  | for (int blk_col = 0; blk_col < start_mvs_cols; | 
|  | blk_col += cm->tmvp_sample_step) { | 
|  | MV_REF *mv_ref = &mv_ref_base[blk_row * start_mvs_cols + blk_col]; | 
|  | const MV_REFERENCE_FRAME ref_frame = mv_ref->ref_frame[side_idx]; | 
|  | if (is_inter_ref_frame(ref_frame)) { | 
|  | MV ref_mv = mv_ref->mv[side_idx].as_mv; | 
|  | #if CONFIG_TMVP_MV_COMPRESSION | 
|  | fetch_mv_from_tmvp(&ref_mv); | 
|  | #endif  // CONFIG_TMVP_MV_COMPRESSION | 
|  | int scaled_blk_col = blk_col; | 
|  | int scaled_blk_row = blk_row; | 
|  | #if CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | if (is_scaled) { | 
|  | get_scaled_mi_row_col(blk_row, blk_col, &scaled_blk_row, | 
|  | &scaled_blk_col, sf); | 
|  | scaled_blk_row = clamp(scaled_blk_row, 0, mvs_rows - 1); | 
|  | scaled_blk_col = clamp(scaled_blk_col, 0, mvs_cols - 1); | 
|  |  | 
|  | scaled_blk_row = | 
|  | (scaled_blk_row / cm->tmvp_sample_step) * cm->tmvp_sample_step; | 
|  | scaled_blk_col = | 
|  | (scaled_blk_col / cm->tmvp_sample_step) * cm->tmvp_sample_step; | 
|  |  | 
|  | assert(blk_row == scaled_blk_row);  // only 1D super-res is allowed | 
|  | ref_mv.row = | 
|  | ref_mv.row == 0 ? 0 : sf->scale_value_y_gen(ref_mv.row, sf); | 
|  | ref_mv.col = | 
|  | ref_mv.col == 0 ? 0 : sf->scale_value_x_gen(ref_mv.col, sf); | 
|  | } | 
|  |  | 
|  | #endif  // CONFIG_ACROSS_SCALE_TPL_MVS | 
|  |  | 
|  | #if CONFIG_MV_TRAJECTORY | 
|  | MV_REFERENCE_FRAME end_frame = start_ref_map[ref_frame]; | 
|  | #if CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  | if (cm->seq_params.enable_mv_traj) { | 
|  | #endif  // CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  | check_traj_intersect(cm, start_frame, end_frame, &ref_mv, | 
|  | scaled_blk_row, scaled_blk_col, mvs_cols); | 
|  | #if CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  | } | 
|  | #endif  // CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  | #endif  // CONFIG_MV_TRAJECTORY | 
|  |  | 
|  | int ref_frame_offset = ref_offset[ref_frame]; | 
|  | int pos_valid = ref_abs_offset[ref_frame] <= MAX_FRAME_DISTANCE; | 
|  | if ((side_idx == 0 && ref_frame_offset < 0) || | 
|  | (side_idx == 1 && ref_frame_offset > 0)) { | 
|  | pos_valid = 0; | 
|  | } | 
|  | if (pos_valid) { | 
|  | int_mv this_mv; | 
|  | int mi_r = scaled_blk_row; | 
|  | int mi_c = scaled_blk_col; | 
|  | if (!(ref_mv.row == 0 && ref_mv.col == 0)) { | 
|  | tip_get_mv_projection(&this_mv.as_mv, ref_mv, | 
|  | temporal_scale_factor[ref_frame]); | 
|  | #if CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  | pos_valid = get_block_position_no_constraint( | 
|  | cm, &mi_r, &mi_c, scaled_blk_row, scaled_blk_col, this_mv.as_mv, | 
|  | 0); | 
|  | #else | 
|  | pos_valid = get_block_position(cm, &mi_r, &mi_c, scaled_blk_row, | 
|  | scaled_blk_col, this_mv.as_mv, 0); | 
|  | #endif  // CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  | } else { | 
|  | this_mv.as_int = 0; | 
|  | } | 
|  | mi_r = (mi_r / cm->tmvp_sample_step) * cm->tmvp_sample_step; | 
|  | mi_c = (mi_c / cm->tmvp_sample_step) * cm->tmvp_sample_step; | 
|  |  | 
|  | #if CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | if (is_scaled) { | 
|  | assert((mi_r % cm->tmvp_sample_step) == 0); | 
|  | assert((mi_c % cm->tmvp_sample_step) == 0); | 
|  | if (mi_r < 0 || mi_r >= mvs_rows || mi_c < 0 || mi_c >= mvs_cols) | 
|  | pos_valid = 0; | 
|  | } | 
|  | #endif  // CONFIG_ACROSS_SCALE_TPL_MVS | 
|  |  | 
|  | #if CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  | if (pos_valid) | 
|  | pos_valid = check_block_position(cm, scaled_blk_row, scaled_blk_col, | 
|  | mi_r, mi_c); | 
|  | #endif  // CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  |  | 
|  | if (pos_valid) { | 
|  | const int mi_offset = mi_r * mvs_stride + mi_c; | 
|  | if (tpl_mvs_base[mi_offset].mfmv0.as_int == INVALID_MV) { | 
|  | #if CONFIG_MV_TRAJECTORY | 
|  | #if CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  | if (cm->seq_params.enable_mv_traj) { | 
|  | int blk_id_k = get_blk_id_k(mi_c, cm->tmvp_proc_size); | 
|  | int **blk_id_map = cm->blk_id_map[blk_id_k]; | 
|  | int traj_id = mi_offset; | 
|  |  | 
|  | cm->id_offset_map[start_frame][traj_id].as_mv.row = | 
|  | -this_mv.as_mv.row; | 
|  | cm->id_offset_map[start_frame][traj_id].as_mv.col = | 
|  | -this_mv.as_mv.col; | 
|  | blk_id_map[start_frame][scaled_blk_row * mvs_cols + | 
|  | scaled_blk_col] = traj_id; | 
|  |  | 
|  | if (end_frame != NONE_FRAME) { | 
|  | MV end_frame_mv; | 
|  | tip_get_mv_projection(&end_frame_mv, ref_mv, | 
|  | ref_temporal_scale_factor[ref_frame]); | 
|  | cm->id_offset_map[end_frame][traj_id].as_mv = end_frame_mv; | 
|  | int end_row = 0, end_col = 0; | 
|  | int end_pos_valid; | 
|  | if (ref_mv.row == 0 && ref_mv.col == 0) { | 
|  | end_pos_valid = 1; | 
|  | end_row = scaled_blk_row; | 
|  | end_col = scaled_blk_col; | 
|  | } else { | 
|  | end_pos_valid = get_block_position_no_constraint( | 
|  | cm, &end_row, &end_col, scaled_blk_row, scaled_blk_col, | 
|  | ref_mv, 0); | 
|  | } | 
|  | end_row = | 
|  | (end_row / cm->tmvp_sample_step) * cm->tmvp_sample_step; | 
|  | end_col = | 
|  | (end_col / cm->tmvp_sample_step) * cm->tmvp_sample_step; | 
|  |  | 
|  | if (end_pos_valid) | 
|  | end_pos_valid = | 
|  | check_block_position(cm, end_row, end_col, mi_r, mi_c); | 
|  |  | 
|  | #if CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | assert(IMPLIES(end_pos_valid, | 
|  | end_col >= 0 && end_col < mvs_cols && | 
|  | end_row >= 0 && end_row < mvs_rows)); | 
|  | #endif  // CONFIG_ACROSS_SCALE_TPL_MVS | 
|  |  | 
|  | if (end_pos_valid) { | 
|  | blk_id_map[end_frame][end_row * mvs_cols + end_col] = | 
|  | traj_id; | 
|  | } | 
|  | } | 
|  | } | 
|  | #else | 
|  | int traj_id = mi_offset; | 
|  |  | 
|  | cm->id_offset_map[start_frame][traj_id].as_mv.row = | 
|  | -this_mv.as_mv.row; | 
|  | cm->id_offset_map[start_frame][traj_id].as_mv.col = | 
|  | -this_mv.as_mv.col; | 
|  | cm->blk_id_map[start_frame][scaled_blk_row * mvs_cols + | 
|  | scaled_blk_col] = traj_id; | 
|  |  | 
|  | if (end_frame != NONE_FRAME) { | 
|  | MV end_frame_mv; | 
|  | tip_get_mv_projection(&end_frame_mv, ref_mv, | 
|  | ref_temporal_scale_factor[ref_frame]); | 
|  | cm->id_offset_map[end_frame][traj_id].as_mv = end_frame_mv; | 
|  | int end_row = 0, end_col = 0; | 
|  | int end_pos_valid; | 
|  | if (ref_mv.row == 0 && ref_mv.col == 0) { | 
|  | end_pos_valid = 1; | 
|  | end_row = scaled_blk_row; | 
|  | end_col = scaled_blk_col; | 
|  | } else { | 
|  | end_pos_valid = | 
|  | get_block_position(cm, &end_row, &end_col, scaled_blk_row, | 
|  | scaled_blk_col, ref_mv, 0); | 
|  | } | 
|  | end_row = | 
|  | (end_row / cm->tmvp_sample_step) * cm->tmvp_sample_step; | 
|  | end_col = | 
|  | (end_col / cm->tmvp_sample_step) * cm->tmvp_sample_step; | 
|  |  | 
|  | #if CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | assert(IMPLIES(end_pos_valid, | 
|  | end_col >= 0 && end_col < mvs_cols && | 
|  | end_row >= 0 && end_row < mvs_rows)); | 
|  | #endif  // CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | if (end_pos_valid) { | 
|  | cm->blk_id_map[end_frame][end_row * mvs_cols + end_col] = | 
|  | traj_id; | 
|  | } | 
|  | } | 
|  | #endif  // CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  | #endif  // CONFIG_MV_TRAJECTORY | 
|  |  | 
|  | if (side_idx == 1) { | 
|  | ref_mv.row = -ref_mv.row; | 
|  | ref_mv.col = -ref_mv.col; | 
|  | ref_frame_offset = ref_abs_offset[ref_frame]; | 
|  | } | 
|  | tpl_mvs_base[mi_offset].mfmv0.as_mv.row = ref_mv.row; | 
|  | tpl_mvs_base[mi_offset].mfmv0.as_mv.col = ref_mv.col; | 
|  | tpl_mvs_base[mi_offset].ref_frame_offset = ref_frame_offset; | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | return 1; | 
|  | } | 
|  |  | 
|  | // Whether to do interpolation for sampled TMVP mvs. | 
|  | #define DO_AVG_FILL 1 | 
|  |  | 
|  | #if CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  | static INLINE int calc_avg(int sum, int count) { | 
|  | assert(count > 0 && count <= 4); | 
|  | if (count == 1) { | 
|  | return sum; | 
|  | } | 
|  | if (count == 2) { | 
|  | return ROUND_POWER_OF_TWO_SIGNED(sum, 1); | 
|  | } | 
|  | if (count == 4) { | 
|  | return ROUND_POWER_OF_TWO_SIGNED(sum, 2); | 
|  | } | 
|  | assert(count == 3); | 
|  | return ROUND_POWER_OF_TWO_SIGNED(sum * 43, 7); | 
|  | } | 
|  | #endif  // CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  |  | 
|  | #if !CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  | // Interpolate the sampled tpl_mvs. | 
|  | void av1_fill_tpl_mvs_sample_gap(AV1_COMMON *cm) { | 
|  | assert(cm->tmvp_sample_step > 0); | 
|  | if (cm->tmvp_sample_step != 2) { | 
|  | return; | 
|  | } | 
|  | const int mvs_rows = | 
|  | ROUND_POWER_OF_TWO(cm->mi_params.mi_rows, TMVP_SHIFT_BITS); | 
|  | const int mvs_cols = | 
|  | ROUND_POWER_OF_TWO(cm->mi_params.mi_cols, TMVP_SHIFT_BITS); | 
|  |  | 
|  | for (int r = 0; r < mvs_rows; r += cm->tmvp_sample_step) { | 
|  | for (int c = 0; c < mvs_cols; c += cm->tmvp_sample_step) { | 
|  | int offset = r * mvs_cols + c; | 
|  | if (cm->tpl_mvs[offset].mfmv0.as_int == INVALID_MV) continue; | 
|  |  | 
|  | int avg_offset[3] = { 0 };  // [hor, ver, diag] | 
|  | int avg[3][2] = { 0 };      // [hor, ver, diag][row, col] | 
|  |  | 
|  | // this | 
|  | if (cm->tpl_mvs[offset].mfmv0.as_int != INVALID_MV) { | 
|  | avg_offset[0] += cm->tpl_mvs[offset].ref_frame_offset; | 
|  | avg_offset[1] += cm->tpl_mvs[offset].ref_frame_offset; | 
|  | avg_offset[2] += cm->tpl_mvs[offset].ref_frame_offset; | 
|  |  | 
|  | avg[0][0] += cm->tpl_mvs[offset].mfmv0.as_mv.row; | 
|  | avg[1][0] += cm->tpl_mvs[offset].mfmv0.as_mv.row; | 
|  | avg[2][0] += cm->tpl_mvs[offset].mfmv0.as_mv.row; | 
|  |  | 
|  | avg[0][1] += cm->tpl_mvs[offset].mfmv0.as_mv.col; | 
|  | avg[1][1] += cm->tpl_mvs[offset].mfmv0.as_mv.col; | 
|  | avg[2][1] += cm->tpl_mvs[offset].mfmv0.as_mv.col; | 
|  | } | 
|  |  | 
|  | if (DO_AVG_FILL) { | 
|  | // right | 
|  | int offset_right = offset + cm->tmvp_sample_step; | 
|  | if (c + cm->tmvp_sample_step < mvs_cols && | 
|  | cm->tpl_mvs[offset_right].mfmv0.as_int != INVALID_MV) { | 
|  | avg_offset[0] += cm->tpl_mvs[offset_right].ref_frame_offset; | 
|  | avg_offset[2] += cm->tpl_mvs[offset_right].ref_frame_offset; | 
|  |  | 
|  | avg[0][0] += cm->tpl_mvs[offset_right].mfmv0.as_mv.row; | 
|  | avg[2][0] += cm->tpl_mvs[offset_right].mfmv0.as_mv.row; | 
|  |  | 
|  | avg[0][1] += cm->tpl_mvs[offset_right].mfmv0.as_mv.col; | 
|  | avg[2][1] += cm->tpl_mvs[offset_right].mfmv0.as_mv.col; | 
|  | } | 
|  |  | 
|  | // lower | 
|  | int offset_lower = offset + cm->tmvp_sample_step * mvs_cols; | 
|  | if (r + cm->tmvp_sample_step < mvs_rows && | 
|  | cm->tpl_mvs[offset_lower].mfmv0.as_int != INVALID_MV) { | 
|  | avg_offset[1] += cm->tpl_mvs[offset_lower].ref_frame_offset; | 
|  | avg_offset[2] += cm->tpl_mvs[offset_lower].ref_frame_offset; | 
|  |  | 
|  | avg[1][0] += cm->tpl_mvs[offset_lower].mfmv0.as_mv.row; | 
|  | avg[2][0] += cm->tpl_mvs[offset_lower].mfmv0.as_mv.row; | 
|  |  | 
|  | avg[1][1] += cm->tpl_mvs[offset_lower].mfmv0.as_mv.col; | 
|  | avg[2][1] += cm->tpl_mvs[offset_lower].mfmv0.as_mv.col; | 
|  | } | 
|  |  | 
|  | // lower_right | 
|  | int offset_lower_right = | 
|  | offset + cm->tmvp_sample_step * mvs_cols + cm->tmvp_sample_step; | 
|  | if (r + cm->tmvp_sample_step < mvs_rows && | 
|  | c + cm->tmvp_sample_step < mvs_cols && | 
|  | cm->tpl_mvs[offset_lower_right].mfmv0.as_int != INVALID_MV) { | 
|  | avg_offset[2] += cm->tpl_mvs[offset_lower_right].ref_frame_offset; | 
|  |  | 
|  | avg[2][0] += cm->tpl_mvs[offset_lower_right].mfmv0.as_mv.row; | 
|  | avg[2][1] += cm->tpl_mvs[offset_lower_right].mfmv0.as_mv.col; | 
|  | } | 
|  | } | 
|  |  | 
|  | if (c + 1 < mvs_cols && avg_offset[0] > 0) { | 
|  | assert(cm->tpl_mvs[offset + 1].mfmv0.as_int == INVALID_MV); | 
|  | cm->tpl_mvs[offset + 1].mfmv0.as_mv.row = DIVIDE_AND_ROUND_SIGNED( | 
|  | avg[0][0] * cm->tpl_mvs[offset].ref_frame_offset, avg_offset[0]); | 
|  | cm->tpl_mvs[offset + 1].mfmv0.as_mv.col = DIVIDE_AND_ROUND_SIGNED( | 
|  | avg[0][1] * cm->tpl_mvs[offset].ref_frame_offset, avg_offset[0]); | 
|  | cm->tpl_mvs[offset + 1].ref_frame_offset = | 
|  | cm->tpl_mvs[offset].ref_frame_offset; | 
|  | } | 
|  | if (r + 1 < mvs_rows && avg_offset[1] > 0) { | 
|  | assert(cm->tpl_mvs[offset + mvs_cols].mfmv0.as_int == INVALID_MV); | 
|  | cm->tpl_mvs[offset + mvs_cols].mfmv0.as_mv.row = | 
|  | DIVIDE_AND_ROUND_SIGNED( | 
|  | avg[1][0] * cm->tpl_mvs[offset].ref_frame_offset, | 
|  | avg_offset[1]); | 
|  | cm->tpl_mvs[offset + mvs_cols].mfmv0.as_mv.col = | 
|  | DIVIDE_AND_ROUND_SIGNED( | 
|  | avg[1][1] * cm->tpl_mvs[offset].ref_frame_offset, | 
|  | avg_offset[1]); | 
|  | cm->tpl_mvs[offset + mvs_cols].ref_frame_offset = | 
|  | cm->tpl_mvs[offset].ref_frame_offset; | 
|  | } | 
|  | if (r + 1 < mvs_rows && c + 1 < mvs_cols && avg_offset[2] > 0) { | 
|  | assert(cm->tpl_mvs[offset + mvs_cols + 1].mfmv0.as_int == INVALID_MV); | 
|  | cm->tpl_mvs[offset + mvs_cols + 1].mfmv0.as_mv.row = | 
|  | DIVIDE_AND_ROUND_SIGNED( | 
|  | avg[2][0] * cm->tpl_mvs[offset].ref_frame_offset, | 
|  | avg_offset[2]); | 
|  | cm->tpl_mvs[offset + mvs_cols + 1].mfmv0.as_mv.col = | 
|  | DIVIDE_AND_ROUND_SIGNED( | 
|  | avg[2][1] * cm->tpl_mvs[offset].ref_frame_offset, | 
|  | avg_offset[2]); | 
|  | cm->tpl_mvs[offset + mvs_cols + 1].ref_frame_offset = | 
|  | cm->tpl_mvs[offset].ref_frame_offset; | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | #if CONFIG_MV_TRAJECTORY | 
|  | // Interpolate the sampled id_offset_map. | 
|  | static void fill_id_offset_sample_gap(AV1_COMMON *cm) { | 
|  | assert(cm->tmvp_sample_step > 0); | 
|  | if (cm->tmvp_sample_step != 2) { | 
|  | return; | 
|  | } | 
|  | const int mvs_rows = | 
|  | ROUND_POWER_OF_TWO(cm->mi_params.mi_rows, TMVP_SHIFT_BITS); | 
|  | const int mvs_cols = | 
|  | ROUND_POWER_OF_TWO(cm->mi_params.mi_cols, TMVP_SHIFT_BITS); | 
|  | for (int rf = 0; rf < cm->ref_frames_info.num_total_refs; rf++) { | 
|  | for (int r = 0; r < mvs_rows; r += cm->tmvp_sample_step) { | 
|  | for (int c = 0; c < mvs_cols; c += cm->tmvp_sample_step) { | 
|  | int offset = r * mvs_cols + c; | 
|  | if (cm->id_offset_map[rf][offset].as_int == INVALID_MV) continue; | 
|  |  | 
|  | int count[3] = { 0 };   // [hor, ver, diag] | 
|  | int avg[3][2] = { 0 };  // [hor, ver, diag][row, col] | 
|  |  | 
|  | // this | 
|  | if (cm->id_offset_map[rf][offset].as_int != INVALID_MV) { | 
|  | count[0]++; | 
|  | count[1]++; | 
|  | count[2]++; | 
|  |  | 
|  | avg[0][0] += cm->id_offset_map[rf][offset].as_mv.row; | 
|  | avg[1][0] += cm->id_offset_map[rf][offset].as_mv.row; | 
|  | avg[2][0] += cm->id_offset_map[rf][offset].as_mv.row; | 
|  |  | 
|  | avg[0][1] += cm->id_offset_map[rf][offset].as_mv.col; | 
|  | avg[1][1] += cm->id_offset_map[rf][offset].as_mv.col; | 
|  | avg[2][1] += cm->id_offset_map[rf][offset].as_mv.col; | 
|  | } | 
|  |  | 
|  | if (DO_AVG_FILL) { | 
|  | // right | 
|  | int offset_right = offset + cm->tmvp_sample_step; | 
|  | if (c + cm->tmvp_sample_step < mvs_cols && | 
|  | cm->id_offset_map[rf][offset_right].as_int != INVALID_MV) { | 
|  | count[0]++; | 
|  | count[2]++; | 
|  |  | 
|  | avg[0][0] += cm->id_offset_map[rf][offset_right].as_mv.row; | 
|  | avg[2][0] += cm->id_offset_map[rf][offset_right].as_mv.row; | 
|  |  | 
|  | avg[0][1] += cm->id_offset_map[rf][offset_right].as_mv.col; | 
|  | avg[2][1] += cm->id_offset_map[rf][offset_right].as_mv.col; | 
|  | } | 
|  |  | 
|  | // lower | 
|  | int offset_lower = offset + cm->tmvp_sample_step * mvs_cols; | 
|  | if (r + cm->tmvp_sample_step < mvs_rows && | 
|  | cm->id_offset_map[rf][offset_lower].as_int != INVALID_MV) { | 
|  | count[1]++; | 
|  | count[2]++; | 
|  |  | 
|  | avg[1][0] += cm->id_offset_map[rf][offset_lower].as_mv.row; | 
|  | avg[2][0] += cm->id_offset_map[rf][offset_lower].as_mv.row; | 
|  |  | 
|  | avg[1][1] += cm->id_offset_map[rf][offset_lower].as_mv.col; | 
|  | avg[2][1] += cm->id_offset_map[rf][offset_lower].as_mv.col; | 
|  | } | 
|  |  | 
|  | // lower_right | 
|  | int offset_lower_right = | 
|  | offset + cm->tmvp_sample_step * mvs_cols + cm->tmvp_sample_step; | 
|  | if (r + cm->tmvp_sample_step < mvs_rows && | 
|  | c + cm->tmvp_sample_step < mvs_cols && | 
|  | cm->id_offset_map[rf][offset_lower_right].as_int != INVALID_MV) { | 
|  | count[2]++; | 
|  |  | 
|  | avg[2][0] += cm->id_offset_map[rf][offset_lower_right].as_mv.row; | 
|  | avg[2][1] += cm->id_offset_map[rf][offset_lower_right].as_mv.col; | 
|  | } | 
|  | } | 
|  |  | 
|  | if (c + 1 < mvs_cols && count[0] > 0) { | 
|  | assert(cm->id_offset_map[rf][offset + 1].as_int == INVALID_MV); | 
|  | cm->id_offset_map[rf][offset + 1].as_mv.row = | 
|  | DIVIDE_AND_ROUND_SIGNED(avg[0][0], count[0]); | 
|  | cm->id_offset_map[rf][offset + 1].as_mv.col = | 
|  | DIVIDE_AND_ROUND_SIGNED(avg[0][1], count[0]); | 
|  | } | 
|  | if (r + 1 < mvs_rows && count[1] > 0) { | 
|  | assert(cm->id_offset_map[rf][offset + mvs_cols].as_int == INVALID_MV); | 
|  | cm->id_offset_map[rf][offset + mvs_cols].as_mv.row = | 
|  | DIVIDE_AND_ROUND_SIGNED(avg[1][0], count[1]); | 
|  | cm->id_offset_map[rf][offset + mvs_cols].as_mv.col = | 
|  | DIVIDE_AND_ROUND_SIGNED(avg[1][1], count[1]); | 
|  | } | 
|  | if (r + 1 < mvs_rows && c + 1 < mvs_cols && count[2] > 0) { | 
|  | assert(cm->id_offset_map[rf][offset + 1 + mvs_cols].as_int == | 
|  | INVALID_MV); | 
|  | cm->id_offset_map[rf][offset + mvs_cols + 1].as_mv.row = | 
|  | DIVIDE_AND_ROUND_SIGNED(avg[2][0], count[2]); | 
|  | cm->id_offset_map[rf][offset + mvs_cols + 1].as_mv.col = | 
|  | DIVIDE_AND_ROUND_SIGNED(avg[2][1], count[2]); | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | // Interpolate the sampled blk_id_map. | 
|  | static void fill_block_id_sample_gap(AV1_COMMON *cm) { | 
|  | assert(cm->tmvp_sample_step > 0); | 
|  | if (cm->tmvp_sample_step != 2) { | 
|  | return; | 
|  | } | 
|  | const int mvs_rows = | 
|  | ROUND_POWER_OF_TWO(cm->mi_params.mi_rows, TMVP_SHIFT_BITS); | 
|  | const int mvs_cols = | 
|  | ROUND_POWER_OF_TWO(cm->mi_params.mi_cols, TMVP_SHIFT_BITS); | 
|  | for (int rf = 0; rf < cm->ref_frames_info.num_total_refs; rf++) { | 
|  | for (int r = 0; r < mvs_rows; r += cm->tmvp_sample_step) { | 
|  | for (int c = 0; c < mvs_cols; c += cm->tmvp_sample_step) { | 
|  | int offset = r * mvs_cols + c; | 
|  | if (cm->blk_id_map[rf][offset] == -1) continue; | 
|  |  | 
|  | int count[3] = { 0 };   // [hor, ver, diag] | 
|  | int avg[3][2] = { 0 };  // [hor, ver, diag][row, col] | 
|  |  | 
|  | int this_traj_row = -1; | 
|  | int this_traj_col = -1; | 
|  | // this | 
|  | if (cm->blk_id_map[rf][offset] != -1) { | 
|  | this_traj_row = cm->blk_id_map[rf][offset] / mvs_cols; | 
|  | this_traj_col = cm->blk_id_map[rf][offset] % mvs_cols; | 
|  |  | 
|  | count[0]++; | 
|  | count[1]++; | 
|  | count[2]++; | 
|  |  | 
|  | avg[0][0] += this_traj_row; | 
|  | avg[1][0] += this_traj_row + 1; | 
|  | avg[2][0] += this_traj_row + 1; | 
|  |  | 
|  | avg[0][1] += this_traj_col + 1; | 
|  | avg[1][1] += this_traj_col; | 
|  | avg[2][1] += this_traj_col + 1; | 
|  | } | 
|  |  | 
|  | if (DO_AVG_FILL) { | 
|  | // right | 
|  | int offset_right = offset + cm->tmvp_sample_step; | 
|  | if (c + cm->tmvp_sample_step < mvs_cols && | 
|  | cm->blk_id_map[rf][offset_right] != -1) { | 
|  | int traj_row = cm->blk_id_map[rf][offset_right] / mvs_cols; | 
|  | int traj_col = cm->blk_id_map[rf][offset_right] % mvs_cols; | 
|  | count[0]++; | 
|  | count[2]++; | 
|  |  | 
|  | avg[0][0] += traj_row; | 
|  | avg[2][0] += traj_row + 1; | 
|  |  | 
|  | avg[0][1] += traj_col - 1; | 
|  | avg[2][1] += traj_col - 1; | 
|  | } | 
|  |  | 
|  | // lower | 
|  | int offset_lower = offset + cm->tmvp_sample_step * mvs_cols; | 
|  | if (r + cm->tmvp_sample_step < mvs_rows && | 
|  | cm->blk_id_map[rf][offset_lower] != -1) { | 
|  | int traj_row = cm->blk_id_map[rf][offset_lower] / mvs_cols; | 
|  | int traj_col = cm->blk_id_map[rf][offset_lower] % mvs_cols; | 
|  | count[1]++; | 
|  | count[2]++; | 
|  |  | 
|  | avg[1][0] += traj_row - 1; | 
|  | avg[2][0] += traj_row - 1; | 
|  |  | 
|  | avg[1][1] += traj_col; | 
|  | avg[2][1] += traj_col + 1; | 
|  | } | 
|  |  | 
|  | // lower_right | 
|  | int offset_lower_right = | 
|  | offset + cm->tmvp_sample_step * mvs_cols + cm->tmvp_sample_step; | 
|  | if (r + cm->tmvp_sample_step < mvs_rows && | 
|  | c + cm->tmvp_sample_step < mvs_cols && | 
|  | cm->blk_id_map[rf][offset_lower_right] != -1) { | 
|  | int traj_row = cm->blk_id_map[rf][offset_lower_right] / mvs_cols; | 
|  | int traj_col = cm->blk_id_map[rf][offset_lower_right] % mvs_cols; | 
|  |  | 
|  | count[2]++; | 
|  |  | 
|  | avg[2][0] += traj_row - 1; | 
|  | avg[2][1] += traj_col - 1; | 
|  | } | 
|  | } | 
|  |  | 
|  | if (c + 1 < mvs_cols && count[0] > 0) { | 
|  | assert(cm->blk_id_map[rf][offset + 1] == -1); | 
|  | const int traj_row = DIVIDE_AND_ROUND_SIGNED(avg[0][0], count[0]); | 
|  | const int traj_col = DIVIDE_AND_ROUND_SIGNED(avg[0][1], count[0]); | 
|  | if (traj_row >= 0 && traj_row < mvs_rows && traj_col >= 0 && | 
|  | traj_col < mvs_cols) { | 
|  | cm->blk_id_map[rf][offset + 1] = traj_row * mvs_cols + traj_col; | 
|  | } | 
|  | } | 
|  | if (r + 1 < mvs_rows && count[1] > 0) { | 
|  | assert(cm->blk_id_map[rf][offset + mvs_cols] == -1); | 
|  | const int traj_row = DIVIDE_AND_ROUND_SIGNED(avg[1][0], count[1]); | 
|  | const int traj_col = DIVIDE_AND_ROUND_SIGNED(avg[1][1], count[1]); | 
|  | if (traj_row >= 0 && traj_row < mvs_rows && traj_col >= 0 && | 
|  | traj_col < mvs_cols) { | 
|  | cm->blk_id_map[rf][offset + mvs_cols] = | 
|  | traj_row * mvs_cols + traj_col; | 
|  | } | 
|  | } | 
|  | if (r + 1 < mvs_rows && c + 1 < mvs_cols && count[2] > 0) { | 
|  | assert(cm->blk_id_map[rf][offset + mvs_cols + 1] == -1); | 
|  | const int traj_row = DIVIDE_AND_ROUND_SIGNED(avg[2][0], count[2]); | 
|  | const int traj_col = DIVIDE_AND_ROUND_SIGNED(avg[2][1], count[2]); | 
|  | if (traj_row >= 0 && traj_row < mvs_rows && traj_col >= 0 && | 
|  | traj_col < mvs_cols) { | 
|  | cm->blk_id_map[rf][offset + mvs_cols + 1] = | 
|  | traj_row * mvs_cols + traj_col; | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | #endif  // CONFIG_MV_TRAJECTORY | 
|  | #endif  // CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  |  | 
|  | // Calculate the average MV length in the reference frame motion field | 
|  | // candidate. | 
|  | void calc_and_set_avg_lengths(AV1_COMMON *cm, int ref, int side) { | 
|  | RefCntBuffer *buf = get_ref_frame_buf(cm, ref); | 
|  | #if CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | const int mvs_rows = ROUND_POWER_OF_TWO(buf->mi_rows, TMVP_SHIFT_BITS); | 
|  | const int mvs_cols = ROUND_POWER_OF_TWO(buf->mi_cols, TMVP_SHIFT_BITS); | 
|  | #else | 
|  | const int mvs_cols = | 
|  | ROUND_POWER_OF_TWO(cm->mi_params.mi_cols, TMVP_SHIFT_BITS); | 
|  | const int mvs_rows = | 
|  | ROUND_POWER_OF_TWO(cm->mi_params.mi_rows, TMVP_SHIFT_BITS); | 
|  | #endif  // CONFIG_ACROSS_SCALE_TPL_MVS | 
|  |  | 
|  | int64_t avg_row = 0; | 
|  | int64_t avg_col = 0; | 
|  | int64_t count = 0; | 
|  |  | 
|  | #if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | const int buf_hint = buf->display_order_hint; | 
|  | #else | 
|  | const int buf_hint = buf->order_hint; | 
|  | #endif  // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  |  | 
|  | for (int r = 0; r < mvs_rows; r += 2) { | 
|  | for (int c = 0; c < mvs_cols; c += 2) { | 
|  | const MV_REF *mv_ref = &buf->mvs[r * mvs_cols + c]; | 
|  | if (mv_ref->ref_frame[side] != NONE_FRAME) { | 
|  | #if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | const int ref_hint = | 
|  | buf->ref_display_order_hint[mv_ref->ref_frame[side]]; | 
|  | #else | 
|  | const int ref_hint = buf->ref_order_hints[mv_ref->ref_frame[side]]; | 
|  | #endif  // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  |  | 
|  | const int dist = abs(get_relative_dist(&cm->seq_params.order_hint_info, | 
|  | buf_hint, ref_hint)); | 
|  |  | 
|  | if (dist != 0) { | 
|  | #if CONFIG_TMVP_MV_COMPRESSION | 
|  | MV ref_mv = mv_ref->mv[side].as_mv; | 
|  | fetch_mv_from_tmvp(&ref_mv); | 
|  | avg_row += abs(ref_mv.row * 2 / dist); | 
|  | avg_col += abs(ref_mv.col * 2 / dist); | 
|  | #else | 
|  | avg_row += abs(mv_ref->mv[side].as_mv.row * 2 / dist); | 
|  | avg_col += abs(mv_ref->mv[side].as_mv.col * 2 / dist); | 
|  | #endif  // CONFIG_TMVP_MV_COMPRESSION | 
|  | count++; | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | buf->avg_row[side] = count == 0 ? 0 : avg_row / count; | 
|  | buf->avg_col[side] = count == 0 ? 0 : avg_col / count; | 
|  | return; | 
|  | } | 
|  |  | 
|  | // Determine whether we should use sampling of TMVP mvs for the current frame. | 
|  | void determine_tmvp_sample_step(AV1_COMMON *cm, | 
|  | int checked_ref[INTER_REFS_PER_FRAME][2]) { | 
|  | cm->tmvp_sample_step = 1; | 
|  | #if CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  | const SequenceHeader *const seq_params = &cm->seq_params; | 
|  | const int sb_size = block_size_high[seq_params->sb_size]; | 
|  | if (sb_size == 64) { | 
|  | return; | 
|  | } | 
|  | #endif  // CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  | int small_count = 0; | 
|  | int large_count = 0; | 
|  | #if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | const int cur_hint = cm->cur_frame->display_order_hint; | 
|  | #else | 
|  | const int cur_hint = cm->cur_frame->order_hint; | 
|  | #endif  // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | for (int i = 0; i < INTER_REFS_PER_FRAME; i++) { | 
|  | for (int j = 0; j < 2; j++) { | 
|  | if (!checked_ref[i][j]) continue; | 
|  | const RefCntBuffer *buf = get_ref_frame_buf(cm, i); | 
|  | #if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | const int buf_hint = buf->display_order_hint; | 
|  | #else | 
|  | const int buf_hint = buf->order_hint; | 
|  | #endif  // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | if (!is_ref_motion_field_eligible(cm, buf)) continue; | 
|  | calc_and_set_avg_lengths(cm, i, j); | 
|  | const int dist = abs(get_relative_dist(&cm->seq_params.order_hint_info, | 
|  | cur_hint, buf_hint)); | 
|  | if (buf->avg_row[j] * dist / 16 > 8 || buf->avg_col[j] * dist / 16 > 16) { | 
|  | large_count++; | 
|  | } else { | 
|  | small_count++; | 
|  | } | 
|  | } | 
|  | } | 
|  | if (large_count > small_count * 2) { | 
|  | cm->tmvp_sample_step = 2; | 
|  | } else { | 
|  | cm->tmvp_sample_step = 1; | 
|  | } | 
|  | } | 
|  |  | 
|  | #if CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  | // Interpolate the sampled tpl_mvs. | 
|  | void av1_fill_tpl_mvs_sample_gap(AV1_COMMON *cm) { | 
|  | assert(cm->tmvp_sample_step > 0); | 
|  | if (cm->tmvp_sample_step != 2) { | 
|  | return; | 
|  | } | 
|  | const int mvs_rows = | 
|  | ROUND_POWER_OF_TWO(cm->mi_params.mi_rows, TMVP_SHIFT_BITS); | 
|  | const int mvs_cols = | 
|  | ROUND_POWER_OF_TWO(cm->mi_params.mi_cols, TMVP_SHIFT_BITS); | 
|  |  | 
|  | #if CONFIG_MF_IMPROVEMENT | 
|  | const SequenceHeader *const seq_params = &cm->seq_params; | 
|  | const int sb_size = block_size_high[seq_params->sb_size]; | 
|  | const int mf_sb_size_log2 = get_mf_sb_size_log2(sb_size, cm->mib_size_log2 | 
|  | #if CONFIG_TMVP_MEM_OPT | 
|  | , | 
|  | cm->tmvp_sample_step | 
|  | #endif  // CONFIG_TMVP_MEM_OPT | 
|  | ); | 
|  | const int mf_sb_size = (1 << mf_sb_size_log2); | 
|  | const int sb_tmvp_size = (mf_sb_size >> TMVP_MI_SZ_LOG2); | 
|  | const int sb_tmvp_size_log2 = mf_sb_size_log2 - TMVP_MI_SZ_LOG2; | 
|  | #endif  // CONFIG_MF_IMPROVEMENT | 
|  |  | 
|  | for (int r = 0; r < mvs_rows; r += cm->tmvp_sample_step) { | 
|  | for (int c = 0; c < mvs_cols; c += cm->tmvp_sample_step) { | 
|  | int offset = r * mvs_cols + c; | 
|  | if (cm->tpl_mvs[offset].mfmv0.as_int == INVALID_MV) continue; | 
|  |  | 
|  | int count[3] = { 0 };   // [hor, ver, diag] | 
|  | int avg[3][2] = { 0 };  // [hor, ver, diag][row, col] | 
|  | int norm_ref_offset = -1; | 
|  |  | 
|  | // this | 
|  | if (cm->tpl_mvs[offset].mfmv0.as_int != INVALID_MV) { | 
|  | norm_ref_offset = cm->tpl_mvs[offset].ref_frame_offset; | 
|  |  | 
|  | count[0]++; | 
|  | count[1]++; | 
|  | count[2]++; | 
|  |  | 
|  | avg[0][0] += cm->tpl_mvs[offset].mfmv0.as_mv.row; | 
|  | avg[1][0] += cm->tpl_mvs[offset].mfmv0.as_mv.row; | 
|  | avg[2][0] += cm->tpl_mvs[offset].mfmv0.as_mv.row; | 
|  |  | 
|  | avg[0][1] += cm->tpl_mvs[offset].mfmv0.as_mv.col; | 
|  | avg[1][1] += cm->tpl_mvs[offset].mfmv0.as_mv.col; | 
|  | avg[2][1] += cm->tpl_mvs[offset].mfmv0.as_mv.col; | 
|  | } | 
|  |  | 
|  | if (DO_AVG_FILL) { | 
|  | #if CONFIG_MF_IMPROVEMENT | 
|  | const int base_blk_row = (r >> sb_tmvp_size_log2) << sb_tmvp_size_log2; | 
|  | const int base_blk_col = (c >> sb_tmvp_size_log2) << sb_tmvp_size_log2; | 
|  | #endif  // CONFIG_MF_IMPROVEMENT | 
|  |  | 
|  | int_mv tmp_mv; | 
|  | // right | 
|  | int offset_right = offset + cm->tmvp_sample_step; | 
|  | if (c + cm->tmvp_sample_step < mvs_cols && | 
|  | c + cm->tmvp_sample_step < base_blk_col + sb_tmvp_size && | 
|  | cm->tpl_mvs[offset_right].mfmv0.as_int != INVALID_MV) { | 
|  | if (norm_ref_offset == -1) | 
|  | norm_ref_offset = cm->tpl_mvs[offset_right].ref_frame_offset; | 
|  |  | 
|  | get_mv_projection( | 
|  | &tmp_mv.as_mv, cm->tpl_mvs[offset_right].mfmv0.as_mv, | 
|  | norm_ref_offset, cm->tpl_mvs[offset_right].ref_frame_offset); | 
|  |  | 
|  | count[0]++; | 
|  | count[2]++; | 
|  |  | 
|  | avg[0][0] += tmp_mv.as_mv.row; | 
|  | avg[2][0] += tmp_mv.as_mv.row; | 
|  |  | 
|  | avg[0][1] += tmp_mv.as_mv.col; | 
|  | avg[2][1] += tmp_mv.as_mv.col; | 
|  | } | 
|  |  | 
|  | // lower | 
|  | int offset_lower = offset + cm->tmvp_sample_step * mvs_cols; | 
|  | if (r + cm->tmvp_sample_step < mvs_rows && | 
|  | r + cm->tmvp_sample_step < base_blk_row + sb_tmvp_size && | 
|  | cm->tpl_mvs[offset_lower].mfmv0.as_int != INVALID_MV) { | 
|  | if (norm_ref_offset == -1) | 
|  | norm_ref_offset = cm->tpl_mvs[offset_lower].ref_frame_offset; | 
|  |  | 
|  | get_mv_projection( | 
|  | &tmp_mv.as_mv, cm->tpl_mvs[offset_lower].mfmv0.as_mv, | 
|  | norm_ref_offset, cm->tpl_mvs[offset_lower].ref_frame_offset); | 
|  |  | 
|  | count[1]++; | 
|  | count[2]++; | 
|  |  | 
|  | avg[1][0] += tmp_mv.as_mv.row; | 
|  | avg[2][0] += tmp_mv.as_mv.row; | 
|  |  | 
|  | avg[1][1] += tmp_mv.as_mv.col; | 
|  | avg[2][1] += tmp_mv.as_mv.col; | 
|  | } | 
|  |  | 
|  | // lower_right | 
|  | int offset_lower_right = | 
|  | offset + cm->tmvp_sample_step * mvs_cols + cm->tmvp_sample_step; | 
|  | if (r + cm->tmvp_sample_step < mvs_rows && | 
|  | r + cm->tmvp_sample_step < base_blk_row + sb_tmvp_size && | 
|  | c + cm->tmvp_sample_step < mvs_cols && | 
|  | c + cm->tmvp_sample_step < base_blk_col + sb_tmvp_size && | 
|  | cm->tpl_mvs[offset_lower_right].mfmv0.as_int != INVALID_MV) { | 
|  | if (norm_ref_offset == -1) | 
|  | norm_ref_offset = cm->tpl_mvs[offset_lower_right].ref_frame_offset; | 
|  |  | 
|  | get_mv_projection(&tmp_mv.as_mv, | 
|  | cm->tpl_mvs[offset_lower_right].mfmv0.as_mv, | 
|  | norm_ref_offset, | 
|  | cm->tpl_mvs[offset_lower_right].ref_frame_offset); | 
|  |  | 
|  | count[2]++; | 
|  |  | 
|  | avg[2][0] += tmp_mv.as_mv.row; | 
|  | avg[2][1] += tmp_mv.as_mv.col; | 
|  | } | 
|  | } | 
|  |  | 
|  | if (c + 1 < mvs_cols && count[0] > 0) { | 
|  | assert(cm->tpl_mvs[offset + 1].mfmv0.as_int == INVALID_MV); | 
|  | cm->tpl_mvs[offset + 1].mfmv0.as_mv.row = calc_avg(avg[0][0], count[0]); | 
|  | cm->tpl_mvs[offset + 1].mfmv0.as_mv.col = calc_avg(avg[0][1], count[0]); | 
|  | cm->tpl_mvs[offset + 1].ref_frame_offset = norm_ref_offset; | 
|  | } | 
|  | if (r + 1 < mvs_rows && count[1] > 0) { | 
|  | assert(cm->tpl_mvs[offset + mvs_cols].mfmv0.as_int == INVALID_MV); | 
|  | cm->tpl_mvs[offset + mvs_cols].mfmv0.as_mv.row = | 
|  | calc_avg(avg[1][0], count[1]); | 
|  | cm->tpl_mvs[offset + mvs_cols].mfmv0.as_mv.col = | 
|  | calc_avg(avg[1][1], count[1]); | 
|  | cm->tpl_mvs[offset + mvs_cols].ref_frame_offset = norm_ref_offset; | 
|  | } | 
|  | if (r + 1 < mvs_rows && c + 1 < mvs_cols && count[2] > 0) { | 
|  | assert(cm->tpl_mvs[offset + mvs_cols + 1].mfmv0.as_int == INVALID_MV); | 
|  | cm->tpl_mvs[offset + mvs_cols + 1].mfmv0.as_mv.row = | 
|  | calc_avg(avg[2][0], count[2]); | 
|  | cm->tpl_mvs[offset + mvs_cols + 1].mfmv0.as_mv.col = | 
|  | calc_avg(avg[2][1], count[2]); | 
|  | cm->tpl_mvs[offset + mvs_cols + 1].ref_frame_offset = norm_ref_offset; | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | #if CONFIG_MV_TRAJECTORY | 
|  | // Interpolate the sampled id_offset_map. | 
|  | static void fill_id_offset_sample_gap(AV1_COMMON *cm) { | 
|  | assert(cm->tmvp_sample_step > 0); | 
|  | if (cm->tmvp_sample_step != 2) { | 
|  | return; | 
|  | } | 
|  | const int mvs_rows = | 
|  | ROUND_POWER_OF_TWO(cm->mi_params.mi_rows, TMVP_SHIFT_BITS); | 
|  | const int mvs_cols = | 
|  | ROUND_POWER_OF_TWO(cm->mi_params.mi_cols, TMVP_SHIFT_BITS); | 
|  | #if CONFIG_MF_IMPROVEMENT | 
|  | const SequenceHeader *const seq_params = &cm->seq_params; | 
|  | const int sb_size = block_size_high[seq_params->sb_size]; | 
|  | const int mf_sb_size_log2 = get_mf_sb_size_log2(sb_size, cm->mib_size_log2 | 
|  | #if CONFIG_TMVP_MEM_OPT | 
|  | , | 
|  | cm->tmvp_sample_step | 
|  | #endif  // CONFIG_TMVP_MEM_OPT | 
|  | ); | 
|  | const int mf_sb_size = (1 << mf_sb_size_log2); | 
|  | const int sb_tmvp_size = (mf_sb_size >> TMVP_MI_SZ_LOG2); | 
|  | const int sb_tmvp_size_log2 = mf_sb_size_log2 - TMVP_MI_SZ_LOG2; | 
|  | #endif  // CONFIG_MF_IMPROVEMENT | 
|  | for (int rf = 0; rf < cm->ref_frames_info.num_total_refs; rf++) { | 
|  | for (int r = 0; r < mvs_rows; r += cm->tmvp_sample_step) { | 
|  | for (int c = 0; c < mvs_cols; c += cm->tmvp_sample_step) { | 
|  | int offset = r * mvs_cols + c; | 
|  | if (cm->id_offset_map[rf][offset].as_int == INVALID_MV) continue; | 
|  |  | 
|  | int count[3] = { 0 };   // [hor, ver, diag] | 
|  | int avg[3][2] = { 0 };  // [hor, ver, diag][row, col] | 
|  |  | 
|  | // this | 
|  | if (cm->id_offset_map[rf][offset].as_int != INVALID_MV) { | 
|  | count[0]++; | 
|  | count[1]++; | 
|  | count[2]++; | 
|  |  | 
|  | avg[0][0] += cm->id_offset_map[rf][offset].as_mv.row; | 
|  | avg[1][0] += cm->id_offset_map[rf][offset].as_mv.row; | 
|  | avg[2][0] += cm->id_offset_map[rf][offset].as_mv.row; | 
|  |  | 
|  | avg[0][1] += cm->id_offset_map[rf][offset].as_mv.col; | 
|  | avg[1][1] += cm->id_offset_map[rf][offset].as_mv.col; | 
|  | avg[2][1] += cm->id_offset_map[rf][offset].as_mv.col; | 
|  | } | 
|  |  | 
|  | if (DO_AVG_FILL) { | 
|  | #if CONFIG_MF_IMPROVEMENT | 
|  | const int base_blk_row = (r >> sb_tmvp_size_log2) | 
|  | << sb_tmvp_size_log2; | 
|  | const int base_blk_col = (c >> sb_tmvp_size_log2) | 
|  | << sb_tmvp_size_log2; | 
|  | #endif  // CONFIG_MF_IMPROVEMENT | 
|  |  | 
|  | // right | 
|  | int offset_right = offset + cm->tmvp_sample_step; | 
|  | if (c + cm->tmvp_sample_step < mvs_cols && | 
|  | c + cm->tmvp_sample_step < base_blk_col + sb_tmvp_size && | 
|  | cm->id_offset_map[rf][offset_right].as_int != INVALID_MV) { | 
|  | count[0]++; | 
|  | count[2]++; | 
|  |  | 
|  | avg[0][0] += cm->id_offset_map[rf][offset_right].as_mv.row; | 
|  | avg[2][0] += cm->id_offset_map[rf][offset_right].as_mv.row; | 
|  |  | 
|  | avg[0][1] += cm->id_offset_map[rf][offset_right].as_mv.col; | 
|  | avg[2][1] += cm->id_offset_map[rf][offset_right].as_mv.col; | 
|  | } | 
|  |  | 
|  | // lower | 
|  | int offset_lower = offset + cm->tmvp_sample_step * mvs_cols; | 
|  | if (r + cm->tmvp_sample_step < mvs_rows && | 
|  | r + cm->tmvp_sample_step < base_blk_row + sb_tmvp_size && | 
|  | cm->id_offset_map[rf][offset_lower].as_int != INVALID_MV) { | 
|  | count[1]++; | 
|  | count[2]++; | 
|  |  | 
|  | avg[1][0] += cm->id_offset_map[rf][offset_lower].as_mv.row; | 
|  | avg[2][0] += cm->id_offset_map[rf][offset_lower].as_mv.row; | 
|  |  | 
|  | avg[1][1] += cm->id_offset_map[rf][offset_lower].as_mv.col; | 
|  | avg[2][1] += cm->id_offset_map[rf][offset_lower].as_mv.col; | 
|  | } | 
|  |  | 
|  | // lower_right | 
|  | int offset_lower_right = | 
|  | offset + cm->tmvp_sample_step * mvs_cols + cm->tmvp_sample_step; | 
|  | if (r + cm->tmvp_sample_step < mvs_rows && | 
|  | r + cm->tmvp_sample_step < base_blk_row + sb_tmvp_size && | 
|  | c + cm->tmvp_sample_step < mvs_cols && | 
|  | c + cm->tmvp_sample_step < base_blk_col + sb_tmvp_size && | 
|  | cm->id_offset_map[rf][offset_lower_right].as_int != INVALID_MV) { | 
|  | count[2]++; | 
|  |  | 
|  | avg[2][0] += cm->id_offset_map[rf][offset_lower_right].as_mv.row; | 
|  | avg[2][1] += cm->id_offset_map[rf][offset_lower_right].as_mv.col; | 
|  | } | 
|  | } | 
|  |  | 
|  | if (c + 1 < mvs_cols && count[0] > 0) { | 
|  | assert(cm->id_offset_map[rf][offset + 1].as_int == INVALID_MV); | 
|  | cm->id_offset_map[rf][offset + 1].as_mv.row = | 
|  | calc_avg(avg[0][0], count[0]); | 
|  | cm->id_offset_map[rf][offset + 1].as_mv.col = | 
|  | calc_avg(avg[0][1], count[0]); | 
|  | } | 
|  | if (r + 1 < mvs_rows && count[1] > 0) { | 
|  | assert(cm->id_offset_map[rf][offset + mvs_cols].as_int == INVALID_MV); | 
|  | cm->id_offset_map[rf][offset + mvs_cols].as_mv.row = | 
|  | calc_avg(avg[1][0], count[1]); | 
|  | cm->id_offset_map[rf][offset + mvs_cols].as_mv.col = | 
|  | calc_avg(avg[1][1], count[1]); | 
|  | } | 
|  | if (r + 1 < mvs_rows && c + 1 < mvs_cols && count[2] > 0) { | 
|  | assert(cm->id_offset_map[rf][offset + 1 + mvs_cols].as_int == | 
|  | INVALID_MV); | 
|  | cm->id_offset_map[rf][offset + mvs_cols + 1].as_mv.row = | 
|  | calc_avg(avg[2][0], count[2]); | 
|  | cm->id_offset_map[rf][offset + mvs_cols + 1].as_mv.col = | 
|  | calc_avg(avg[2][1], count[2]); | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | // Interpolate the sampled blk_id_map. | 
|  | static void fill_block_id_sample_gap(AV1_COMMON *cm) { | 
|  | assert(cm->tmvp_sample_step > 0); | 
|  | if (cm->tmvp_sample_step != 2) { | 
|  | return; | 
|  | } | 
|  | const int mvs_rows = | 
|  | ROUND_POWER_OF_TWO(cm->mi_params.mi_rows, TMVP_SHIFT_BITS); | 
|  | const int mvs_cols = | 
|  | ROUND_POWER_OF_TWO(cm->mi_params.mi_cols, TMVP_SHIFT_BITS); | 
|  | #if CONFIG_MF_IMPROVEMENT | 
|  | const SequenceHeader *const seq_params = &cm->seq_params; | 
|  | const int sb_size = block_size_high[seq_params->sb_size]; | 
|  | const int mf_sb_size_log2 = get_mf_sb_size_log2(sb_size, cm->mib_size_log2 | 
|  | #if CONFIG_TMVP_MEM_OPT | 
|  | , | 
|  | cm->tmvp_sample_step | 
|  | #endif  // CONFIG_TMVP_MEM_OPT | 
|  | ); | 
|  | const int mf_sb_size = (1 << mf_sb_size_log2); | 
|  | const int sb_tmvp_size = (mf_sb_size >> TMVP_MI_SZ_LOG2); | 
|  | const int sb_tmvp_size_log2 = mf_sb_size_log2 - TMVP_MI_SZ_LOG2; | 
|  | #endif  // CONFIG_MF_IMPROVEMENT | 
|  | for (int rf = 0; rf < cm->ref_frames_info.num_total_refs; rf++) { | 
|  | for (int r = 0; r < mvs_rows; r += cm->tmvp_sample_step) { | 
|  | for (int c = 0; c < mvs_cols; c += cm->tmvp_sample_step) { | 
|  | int offset = r * mvs_cols + c; | 
|  | if (cm->blk_id_map[0][rf][offset] == -1) continue; | 
|  |  | 
|  | int count[3] = { 0 };   // [hor, ver, diag] | 
|  | int avg[3][2] = { 0 };  // [hor, ver, diag][row, col] | 
|  |  | 
|  | int this_traj_row = -1; | 
|  | int this_traj_col = -1; | 
|  | // this | 
|  | if (cm->blk_id_map[0][rf][offset] != -1) { | 
|  | this_traj_row = cm->blk_id_map[0][rf][offset] / mvs_cols; | 
|  | this_traj_col = cm->blk_id_map[0][rf][offset] % mvs_cols; | 
|  |  | 
|  | count[0]++; | 
|  | count[1]++; | 
|  | count[2]++; | 
|  |  | 
|  | avg[0][0] += this_traj_row; | 
|  | avg[1][0] += this_traj_row + 1; | 
|  | avg[2][0] += this_traj_row + 1; | 
|  |  | 
|  | avg[0][1] += this_traj_col + 1; | 
|  | avg[1][1] += this_traj_col; | 
|  | avg[2][1] += this_traj_col + 1; | 
|  | } | 
|  |  | 
|  | if (DO_AVG_FILL) { | 
|  | #if CONFIG_MF_IMPROVEMENT | 
|  | const int base_blk_row = (r >> sb_tmvp_size_log2) | 
|  | << sb_tmvp_size_log2; | 
|  | const int base_blk_col = (c >> sb_tmvp_size_log2) | 
|  | << sb_tmvp_size_log2; | 
|  | #endif  // CONFIG_MF_IMPROVEMENT | 
|  |  | 
|  | // right | 
|  | int offset_right = offset + cm->tmvp_sample_step; | 
|  | if (c + cm->tmvp_sample_step < mvs_cols && | 
|  | c + cm->tmvp_sample_step < base_blk_col + sb_tmvp_size && | 
|  | cm->blk_id_map[0][rf][offset_right] != -1) { | 
|  | int traj_row = cm->blk_id_map[0][rf][offset_right] / mvs_cols; | 
|  | int traj_col = cm->blk_id_map[0][rf][offset_right] % mvs_cols; | 
|  | count[0]++; | 
|  | count[2]++; | 
|  |  | 
|  | avg[0][0] += traj_row; | 
|  | avg[2][0] += traj_row + 1; | 
|  |  | 
|  | avg[0][1] += traj_col - 1; | 
|  | avg[2][1] += traj_col - 1; | 
|  | } | 
|  |  | 
|  | // lower | 
|  | int offset_lower = offset + cm->tmvp_sample_step * mvs_cols; | 
|  | if (r + cm->tmvp_sample_step < mvs_rows && | 
|  | r + cm->tmvp_sample_step < base_blk_row + sb_tmvp_size && | 
|  | cm->blk_id_map[0][rf][offset_lower] != -1) { | 
|  | int traj_row = cm->blk_id_map[0][rf][offset_lower] / mvs_cols; | 
|  | int traj_col = cm->blk_id_map[0][rf][offset_lower] % mvs_cols; | 
|  | count[1]++; | 
|  | count[2]++; | 
|  |  | 
|  | avg[1][0] += traj_row - 1; | 
|  | avg[2][0] += traj_row - 1; | 
|  |  | 
|  | avg[1][1] += traj_col; | 
|  | avg[2][1] += traj_col + 1; | 
|  | } | 
|  |  | 
|  | // lower_right | 
|  | int offset_lower_right = | 
|  | offset + cm->tmvp_sample_step * mvs_cols + cm->tmvp_sample_step; | 
|  | if (r + cm->tmvp_sample_step < mvs_rows && | 
|  | r + cm->tmvp_sample_step < base_blk_row + sb_tmvp_size && | 
|  | c + cm->tmvp_sample_step < mvs_cols && | 
|  | c + cm->tmvp_sample_step < base_blk_col + sb_tmvp_size && | 
|  | cm->blk_id_map[0][rf][offset_lower_right] != -1) { | 
|  | int traj_row = cm->blk_id_map[0][rf][offset_lower_right] / mvs_cols; | 
|  | int traj_col = cm->blk_id_map[0][rf][offset_lower_right] % mvs_cols; | 
|  |  | 
|  | count[2]++; | 
|  |  | 
|  | avg[2][0] += traj_row - 1; | 
|  | avg[2][1] += traj_col - 1; | 
|  | } | 
|  | } | 
|  |  | 
|  | if (c + 1 < mvs_cols && count[0] > 0) { | 
|  | assert(cm->blk_id_map[0][rf][offset + 1] == -1); | 
|  | const int traj_row = calc_avg(avg[0][0], count[0]); | 
|  | const int traj_col = calc_avg(avg[0][1], count[0]); | 
|  | if (traj_row >= 0 && traj_row < mvs_rows && traj_col >= 0 && | 
|  | traj_col < mvs_cols) { | 
|  | cm->blk_id_map[0][rf][offset + 1] = traj_row * mvs_cols + traj_col; | 
|  | } | 
|  | } | 
|  | if (r + 1 < mvs_rows && count[1] > 0) { | 
|  | assert(cm->blk_id_map[0][rf][offset + mvs_cols] == -1); | 
|  | const int traj_row = calc_avg(avg[1][0], count[1]); | 
|  | const int traj_col = calc_avg(avg[1][1], count[1]); | 
|  | if (traj_row >= 0 && traj_row < mvs_rows && traj_col >= 0 && | 
|  | traj_col < mvs_cols) { | 
|  | cm->blk_id_map[0][rf][offset + mvs_cols] = | 
|  | traj_row * mvs_cols + traj_col; | 
|  | } | 
|  | } | 
|  | if (r + 1 < mvs_rows && c + 1 < mvs_cols && count[2] > 0) { | 
|  | assert(cm->blk_id_map[0][rf][offset + mvs_cols + 1] == -1); | 
|  | const int traj_row = calc_avg(avg[2][0], count[2]); | 
|  | const int traj_col = calc_avg(avg[2][1], count[2]); | 
|  | if (traj_row >= 0 && traj_row < mvs_rows && traj_col >= 0 && | 
|  | traj_col < mvs_cols) { | 
|  | cm->blk_id_map[0][rf][offset + mvs_cols + 1] = | 
|  | traj_row * mvs_cols + traj_col; | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | #endif  // CONFIG_MV_TRAJECTORY | 
|  | #endif  // CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  | #else | 
|  | // Note: motion_filed_projection finds motion vectors of current frame's | 
|  | // reference frame, and projects them to current frame. To make it clear, | 
|  | // let's call current frame's reference frame as start frame. | 
|  | // Call Start frame's reference frames as reference frames. | 
|  | // Call ref_offset as frame distances between start frame and its reference | 
|  | // frames. | 
|  | static int motion_field_projection_bwd(AV1_COMMON *cm, | 
|  | MV_REFERENCE_FRAME start_frame, int dir, | 
|  | int overwrite_mv) { | 
|  | TPL_MV_REF *tpl_mvs_base = cm->tpl_mvs; | 
|  | int ref_offset[INTER_REFS_PER_FRAME] = { 0 }; | 
|  |  | 
|  | const RefCntBuffer *const start_frame_buf = | 
|  | get_ref_frame_buf(cm, start_frame); | 
|  | if (!is_ref_motion_field_eligible(cm, start_frame_buf)) return 0; | 
|  |  | 
|  | #if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | const int start_frame_order_hint = start_frame_buf->display_order_hint; | 
|  | const int cur_order_hint = cm->cur_frame->display_order_hint; | 
|  | #else | 
|  | const int start_frame_order_hint = start_frame_buf->order_hint; | 
|  | const int cur_order_hint = cm->cur_frame->order_hint; | 
|  | #endif  // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | int start_to_current_frame_offset = get_relative_dist( | 
|  | &cm->seq_params.order_hint_info, start_frame_order_hint, cur_order_hint); | 
|  |  | 
|  | if (abs(start_to_current_frame_offset) > MAX_FRAME_DISTANCE) { | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | if (dir == 2) start_to_current_frame_offset = -start_to_current_frame_offset; | 
|  |  | 
|  | int temporal_scale_factor[REF_FRAMES] = { 0 }; | 
|  | int ref_abs_offset[REF_FRAMES] = { 0 }; | 
|  | int has_bwd_ref = 0; | 
|  |  | 
|  | #if CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | const int is_scaled = (start_frame_buf->width != cm->width || | 
|  | start_frame_buf->height != cm->height); | 
|  | struct scale_factors sf_; | 
|  | // Inverse scale factor | 
|  | av1_setup_scale_factors_for_frame(&sf_, cm->width, cm->height, | 
|  | start_frame_buf->width, | 
|  | start_frame_buf->height); | 
|  | const struct scale_factors *sf = &sf_; | 
|  | #else | 
|  | assert(start_frame_buf->width == cm->width && | 
|  | start_frame_buf->height == cm->height); | 
|  | #endif  // CONFIG_ACROSS_SCALE_TPL_MVS | 
|  |  | 
|  | #if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | const int *const ref_order_hints = | 
|  | &start_frame_buf->ref_display_order_hint[0]; | 
|  | #else | 
|  | const int *const ref_order_hints = &start_frame_buf->ref_order_hints[0]; | 
|  | #endif  // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | for (MV_REFERENCE_FRAME rf = 0; rf < INTER_REFS_PER_FRAME; ++rf) { | 
|  | if (ref_order_hints[rf] != -1) { | 
|  | ref_offset[rf] = | 
|  | get_relative_dist(&cm->seq_params.order_hint_info, | 
|  | start_frame_order_hint, ref_order_hints[rf]); | 
|  | has_bwd_ref |= (ref_offset[rf] < 0); | 
|  | ref_abs_offset[rf] = abs(ref_offset[rf]); | 
|  | temporal_scale_factor[rf] = tip_derive_scale_factor( | 
|  | start_to_current_frame_offset, ref_abs_offset[rf]); | 
|  | } | 
|  | } | 
|  | if (has_bwd_ref == 0) return 0; | 
|  |  | 
|  | MV_REF *mv_ref_base = start_frame_buf->mvs; | 
|  | const int mvs_rows = | 
|  | ROUND_POWER_OF_TWO(cm->mi_params.mi_rows, TMVP_SHIFT_BITS); | 
|  | const int mvs_cols = | 
|  | ROUND_POWER_OF_TWO(cm->mi_params.mi_cols, TMVP_SHIFT_BITS); | 
|  | const int mvs_stride = mvs_cols; | 
|  | const int start_mvs_rows = | 
|  | ROUND_POWER_OF_TWO(start_frame_buf->mi_rows, TMVP_SHIFT_BITS); | 
|  | const int start_mvs_cols = | 
|  | ROUND_POWER_OF_TWO(start_frame_buf->mi_cols, TMVP_SHIFT_BITS); | 
|  | (void)mvs_rows; | 
|  | #if CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | uint32_t scaled_blk_col_hr_0 = 0; | 
|  | uint32_t scaled_blk_col_hr_step = 0; | 
|  | uint32_t scaled_blk_col_hr = 0; | 
|  | uint32_t scaled_blk_row_hr_0 = 0; | 
|  | uint32_t scaled_blk_row_hr_step = 0; | 
|  | uint32_t scaled_blk_row_hr = 0; | 
|  | if (is_scaled) { | 
|  | scaled_blk_col_hr_0 = | 
|  | (uint32_t)sf->x_scale_fp * 4;  // center of first block | 
|  | scaled_blk_col_hr_step = (uint32_t)sf->x_scale_fp * 8;  // step | 
|  | scaled_blk_row_hr_0 = | 
|  | (uint32_t)sf->y_scale_fp * 4;  // center of first block | 
|  | scaled_blk_row_hr_step = (uint32_t)sf->y_scale_fp * 8;  // step | 
|  | scaled_blk_row_hr = scaled_blk_row_hr_0; | 
|  | } | 
|  | #endif  // CONFIG_ACROSS_SCALE_TPL_MVS | 
|  |  | 
|  | const int enable_compound_mv = cm->seq_params.enable_tip != 0; | 
|  | for (int blk_row = 0; blk_row < start_mvs_rows; ++blk_row) { | 
|  | int scaled_blk_row = blk_row; | 
|  | #if CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | if (is_scaled) { | 
|  | scaled_blk_col_hr = scaled_blk_col_hr_0; | 
|  | scaled_blk_row = | 
|  | ROUND_POWER_OF_TWO(scaled_blk_row_hr, REF_SCALE_SHIFT + 3); | 
|  | scaled_blk_row = AOMMIN(scaled_blk_row, mvs_rows - 1); | 
|  | } | 
|  | #endif  // CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | for (int blk_col = 0; blk_col < start_mvs_cols; ++blk_col) { | 
|  | MV_REF *mv_ref = &mv_ref_base[blk_row * start_mvs_cols + blk_col]; | 
|  | for (int idx = 0; idx < 1 + enable_compound_mv; ++idx) { | 
|  | const MV_REFERENCE_FRAME ref_frame = mv_ref->ref_frame[idx]; | 
|  | if (is_inter_ref_frame(ref_frame)) { | 
|  | int ref_frame_offset = ref_offset[ref_frame]; | 
|  | int pos_valid = ref_frame_offset < 0 && | 
|  | ref_abs_offset[ref_frame] <= MAX_FRAME_DISTANCE; | 
|  | if (pos_valid) { | 
|  | MV ref_mv = mv_ref->mv[idx].as_mv; | 
|  | #if CONFIG_TMVP_MV_COMPRESSION | 
|  | fetch_mv_from_tmvp(&ref_mv); | 
|  | #endif  // CONFIG_TMVP_MV_COMPRESSION | 
|  | int scaled_blk_col = blk_col; | 
|  | #if CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | if (is_scaled) { | 
|  | scaled_blk_col = | 
|  | ROUND_POWER_OF_TWO(scaled_blk_col_hr, REF_SCALE_SHIFT + 3); | 
|  | scaled_blk_col = AOMMIN(scaled_blk_col, mvs_cols - 1); | 
|  | ref_mv.row = sf->scale_value_y_gen(ref_mv.row, sf); | 
|  | ref_mv.col = sf->scale_value_x_gen(ref_mv.col, sf); | 
|  | } | 
|  | #endif  // CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | int_mv this_mv; | 
|  | int mi_r = scaled_blk_row; | 
|  | int mi_c = scaled_blk_col; | 
|  | if (mv_ref->mv[idx].as_int != 0) { | 
|  | tip_get_mv_projection(&this_mv.as_mv, ref_mv, | 
|  | temporal_scale_factor[ref_frame]); | 
|  | pos_valid = get_block_position(cm, &mi_r, &mi_c, scaled_blk_row, | 
|  | scaled_blk_col, this_mv.as_mv, 0); | 
|  | } | 
|  | if (pos_valid) { | 
|  | ref_mv.row = -ref_mv.row; | 
|  | ref_mv.col = -ref_mv.col; | 
|  |  | 
|  | const int mi_offset = mi_r * mvs_stride + mi_c; | 
|  | if (overwrite_mv || | 
|  | tpl_mvs_base[mi_offset].mfmv0.as_int == INVALID_MV) { | 
|  | tpl_mvs_base[mi_offset].mfmv0.as_mv.row = ref_mv.row; | 
|  | tpl_mvs_base[mi_offset].mfmv0.as_mv.col = ref_mv.col; | 
|  | tpl_mvs_base[mi_offset].ref_frame_offset = | 
|  | ref_abs_offset[ref_frame]; | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | #if CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | if (is_scaled) scaled_blk_col_hr += scaled_blk_col_hr_step; | 
|  | #endif  // CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | } | 
|  | #if CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | if (is_scaled) scaled_blk_row_hr += scaled_blk_row_hr_step; | 
|  | #endif  // CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | } | 
|  |  | 
|  | return 1; | 
|  | } | 
|  |  | 
|  | static int motion_field_projection(AV1_COMMON *cm, | 
|  | MV_REFERENCE_FRAME start_frame, int dir, | 
|  | int overwrite_mv) { | 
|  | TPL_MV_REF *tpl_mvs_base = cm->tpl_mvs; | 
|  | int ref_offset[INTER_REFS_PER_FRAME] = { 0 }; | 
|  |  | 
|  | const RefCntBuffer *const start_frame_buf = | 
|  | get_ref_frame_buf(cm, start_frame); | 
|  | if (!is_ref_motion_field_eligible(cm, start_frame_buf)) return 0; | 
|  |  | 
|  | #if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | const int start_frame_order_hint = start_frame_buf->display_order_hint; | 
|  | const int cur_order_hint = cm->cur_frame->display_order_hint; | 
|  | #else | 
|  | const int start_frame_order_hint = start_frame_buf->order_hint; | 
|  | const int cur_order_hint = cm->cur_frame->order_hint; | 
|  | #endif  // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | int start_to_current_frame_offset = get_relative_dist( | 
|  | &cm->seq_params.order_hint_info, start_frame_order_hint, cur_order_hint); | 
|  |  | 
|  | if (abs(start_to_current_frame_offset) > MAX_FRAME_DISTANCE) { | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | if (dir == 2) start_to_current_frame_offset = -start_to_current_frame_offset; | 
|  |  | 
|  | int temporal_scale_factor[REF_FRAMES] = { 0 }; | 
|  | int ref_abs_offset[REF_FRAMES] = { 0 }; | 
|  | #if CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | const int is_scaled = (start_frame_buf->width != cm->width || | 
|  | start_frame_buf->height != cm->height); | 
|  | struct scale_factors sf_; | 
|  | // Inverse scale factor | 
|  | av1_setup_scale_factors_for_frame(&sf_, cm->width, cm->height, | 
|  | start_frame_buf->width, | 
|  | start_frame_buf->height); | 
|  | const struct scale_factors *sf = &sf_; | 
|  | #else | 
|  | assert(start_frame_buf->width == cm->width && | 
|  | start_frame_buf->height == cm->height); | 
|  | #endif  // CONFIG_ACROSS_SCALE_TPL_MVS | 
|  |  | 
|  | #if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | const int *const ref_order_hints = | 
|  | &start_frame_buf->ref_display_order_hint[0]; | 
|  | #else | 
|  | const int *const ref_order_hints = &start_frame_buf->ref_order_hints[0]; | 
|  | #endif  // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | for (MV_REFERENCE_FRAME rf = 0; rf < INTER_REFS_PER_FRAME; ++rf) { | 
|  | if (ref_order_hints[rf] != -1) { | 
|  | ref_offset[rf] = | 
|  | get_relative_dist(&cm->seq_params.order_hint_info, | 
|  | start_frame_order_hint, ref_order_hints[rf]); | 
|  | ref_abs_offset[rf] = abs(ref_offset[rf]); | 
|  | temporal_scale_factor[rf] = tip_derive_scale_factor( | 
|  | start_to_current_frame_offset, ref_abs_offset[rf]); | 
|  | } | 
|  | } | 
|  |  | 
|  | MV_REF *mv_ref_base = start_frame_buf->mvs; | 
|  | const int mvs_rows = | 
|  | ROUND_POWER_OF_TWO(cm->mi_params.mi_rows, TMVP_SHIFT_BITS); | 
|  | const int mvs_cols = | 
|  | ROUND_POWER_OF_TWO(cm->mi_params.mi_cols, TMVP_SHIFT_BITS); | 
|  | const int mvs_stride = mvs_cols; | 
|  | const int start_mvs_rows = | 
|  | ROUND_POWER_OF_TWO(start_frame_buf->mi_rows, TMVP_SHIFT_BITS); | 
|  | const int start_mvs_cols = | 
|  | ROUND_POWER_OF_TWO(start_frame_buf->mi_cols, TMVP_SHIFT_BITS); | 
|  | (void)mvs_rows; | 
|  | #if CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | uint32_t scaled_blk_col_hr_0 = 0; | 
|  | uint32_t scaled_blk_col_hr_step = 0; | 
|  | uint32_t scaled_blk_col_hr = 0; | 
|  | uint32_t scaled_blk_row_hr_0 = 0; | 
|  | uint32_t scaled_blk_row_hr_step = 0; | 
|  | uint32_t scaled_blk_row_hr = 0; | 
|  | if (is_scaled) { | 
|  | scaled_blk_col_hr_0 = | 
|  | (uint32_t)sf->x_scale_fp * 4;  // center of first block | 
|  | scaled_blk_col_hr_step = (uint32_t)sf->x_scale_fp * 8;  // step | 
|  | scaled_blk_row_hr_0 = | 
|  | (uint32_t)sf->y_scale_fp * 4;  // center of first block | 
|  | scaled_blk_row_hr_step = (uint32_t)sf->y_scale_fp * 8;  // step | 
|  | scaled_blk_row_hr = scaled_blk_row_hr_0; | 
|  | } | 
|  | #endif  // CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | const int enable_compound_mv = cm->seq_params.enable_tip != 0; | 
|  | for (int blk_row = 0; blk_row < start_mvs_rows; ++blk_row) { | 
|  | int scaled_blk_row = blk_row; | 
|  | #if CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | if (is_scaled) { | 
|  | scaled_blk_col_hr = scaled_blk_col_hr_0; | 
|  | scaled_blk_row = | 
|  | ROUND_POWER_OF_TWO(scaled_blk_row_hr, REF_SCALE_SHIFT + 3); | 
|  | scaled_blk_row = AOMMIN(scaled_blk_row, mvs_rows - 1); | 
|  | } | 
|  | #endif  // CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | for (int blk_col = 0; blk_col < start_mvs_cols; ++blk_col) { | 
|  | MV_REF *mv_ref = &mv_ref_base[blk_row * start_mvs_cols + blk_col]; | 
|  | for (int idx = 0; idx < 1 + enable_compound_mv; ++idx) { | 
|  | const MV_REFERENCE_FRAME ref_frame = mv_ref->ref_frame[idx]; | 
|  | if (is_inter_ref_frame(ref_frame)) { | 
|  | const int ref_frame_offset = ref_offset[ref_frame]; | 
|  | int pos_valid = ref_frame_offset > 0 && | 
|  | ref_abs_offset[ref_frame] <= MAX_FRAME_DISTANCE; | 
|  | if (pos_valid) { | 
|  | MV ref_mv = mv_ref->mv[idx].as_mv; | 
|  | #if CONFIG_TMVP_MV_COMPRESSION | 
|  | fetch_mv_from_tmvp(&ref_mv); | 
|  | #endif  // CONFIG_TMVP_MV_COMPRESSION | 
|  | int scaled_blk_col = blk_col; | 
|  | #if CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | if (is_scaled) { | 
|  | scaled_blk_col = | 
|  | ROUND_POWER_OF_TWO(scaled_blk_col_hr, REF_SCALE_SHIFT + 3); | 
|  | scaled_blk_col = AOMMIN(scaled_blk_col, mvs_cols - 1); | 
|  | ref_mv.row = sf->scale_value_y_gen(ref_mv.row, sf); | 
|  | ref_mv.col = sf->scale_value_x_gen(ref_mv.col, sf); | 
|  | } | 
|  | #endif  // CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | int_mv this_mv; | 
|  | int mi_r = scaled_blk_row; | 
|  | int mi_c = scaled_blk_col; | 
|  | if (mv_ref->mv[idx].as_int != 0) { | 
|  | tip_get_mv_projection(&this_mv.as_mv, ref_mv, | 
|  | temporal_scale_factor[ref_frame]); | 
|  | pos_valid = | 
|  | get_block_position(cm, &mi_r, &mi_c, scaled_blk_row, | 
|  | scaled_blk_col, this_mv.as_mv, dir >> 1); | 
|  | } | 
|  | if (pos_valid) { | 
|  | assert(mi_r < mvs_rows); | 
|  | assert(mi_c < mvs_cols); | 
|  | const int mi_offset = mi_r * mvs_stride + mi_c; | 
|  | if (overwrite_mv || | 
|  | tpl_mvs_base[mi_offset].mfmv0.as_int == INVALID_MV) { | 
|  | tpl_mvs_base[mi_offset].mfmv0.as_mv.row = ref_mv.row; | 
|  | tpl_mvs_base[mi_offset].mfmv0.as_mv.col = ref_mv.col; | 
|  | tpl_mvs_base[mi_offset].ref_frame_offset = ref_frame_offset; | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | #if CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | if (is_scaled) scaled_blk_col_hr += scaled_blk_col_hr_step; | 
|  | #endif  // CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | } | 
|  | #if CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | if (is_scaled) scaled_blk_row_hr += scaled_blk_row_hr_step; | 
|  | #endif  // CONFIG_ACROSS_SCALE_TPL_MVS | 
|  | } | 
|  |  | 
|  | return 1; | 
|  | } | 
|  | #endif  // CONFIG_TMVP_MEM_OPT | 
|  |  | 
|  | void av1_setup_motion_field(AV1_COMMON *cm) { | 
|  | #if !CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  | #if CONFIG_TMVP_MEM_OPT | 
|  | cm->tmvp_sample_step = 1;  // default, in case of early return | 
|  | #endif                       // CONFIG_TMVP_MEM_OPT | 
|  | #endif                       // CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  | const OrderHintInfo *const order_hint_info = &cm->seq_params.order_hint_info; | 
|  |  | 
|  | memset(cm->ref_frame_side, 0, sizeof(cm->ref_frame_side)); | 
|  | memset(cm->ref_frame_relative_dist, 0, sizeof(cm->ref_frame_relative_dist)); | 
|  | if (!order_hint_info->enable_order_hint) return; | 
|  |  | 
|  | TPL_MV_REF *tpl_mvs_base = cm->tpl_mvs; | 
|  | const int mvs_rows = | 
|  | ROUND_POWER_OF_TWO(cm->mi_params.mi_rows, TMVP_SHIFT_BITS); | 
|  | const int mvs_cols = | 
|  | ROUND_POWER_OF_TWO(cm->mi_params.mi_cols, TMVP_SHIFT_BITS); | 
|  | int size = mvs_rows * mvs_cols; | 
|  | for (int idx = 0; idx < size; ++idx) { | 
|  | tpl_mvs_base[idx].mfmv0.as_int = INVALID_MV; | 
|  | tpl_mvs_base[idx].ref_frame_offset = 0; | 
|  | } | 
|  |  | 
|  | const RefCntBuffer *ref_buf[INTER_REFS_PER_FRAME]; | 
|  |  | 
|  | for (int i = 0; i < INTER_REFS_PER_FRAME; i++) { | 
|  | ref_buf[i] = NULL; | 
|  | cm->ref_frame_side[i] = 0; | 
|  | cm->ref_frame_relative_dist[i] = 0; | 
|  | } | 
|  | for (int index = 0; index < cm->ref_frames_info.num_past_refs; index++) { | 
|  | const int ref_frame = cm->ref_frames_info.past_refs[index]; | 
|  | cm->ref_frame_side[ref_frame] = 0; | 
|  | const RefCntBuffer *const buf = get_ref_frame_buf(cm, ref_frame); | 
|  | ref_buf[ref_frame] = buf; | 
|  | #if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | const int relative_dist = | 
|  | get_relative_dist(order_hint_info, buf->display_order_hint, | 
|  | cm->cur_frame->display_order_hint); | 
|  | #else | 
|  | const int relative_dist = get_relative_dist( | 
|  | order_hint_info, buf->order_hint, cm->cur_frame->order_hint); | 
|  | #endif  // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | cm->ref_frame_relative_dist[ref_frame] = abs(relative_dist); | 
|  | } | 
|  | for (int index = 0; index < cm->ref_frames_info.num_future_refs; index++) { | 
|  | const int ref_frame = cm->ref_frames_info.future_refs[index]; | 
|  | cm->ref_frame_side[ref_frame] = 1; | 
|  | const RefCntBuffer *const buf = get_ref_frame_buf(cm, ref_frame); | 
|  | ref_buf[ref_frame] = buf; | 
|  | #if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | const int relative_dist = | 
|  | get_relative_dist(order_hint_info, buf->display_order_hint, | 
|  | cm->cur_frame->display_order_hint); | 
|  | #else | 
|  | const int relative_dist = get_relative_dist( | 
|  | order_hint_info, buf->order_hint, cm->cur_frame->order_hint); | 
|  | #endif  // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | cm->ref_frame_relative_dist[ref_frame] = abs(relative_dist); | 
|  | } | 
|  | for (int index = 0; index < cm->ref_frames_info.num_cur_refs; index++) { | 
|  | const int ref_frame = cm->ref_frames_info.cur_refs[index]; | 
|  | cm->ref_frame_side[ref_frame] = -1; | 
|  | const RefCntBuffer *const buf = get_ref_frame_buf(cm, ref_frame); | 
|  | ref_buf[ref_frame] = buf; | 
|  | #if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | const int relative_dist = | 
|  | get_relative_dist(order_hint_info, buf->display_order_hint, | 
|  | cm->cur_frame->display_order_hint); | 
|  | #else | 
|  | const int relative_dist = get_relative_dist( | 
|  | order_hint_info, buf->order_hint, cm->cur_frame->order_hint); | 
|  | #endif  // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | cm->ref_frame_relative_dist[ref_frame] = abs(relative_dist); | 
|  | } | 
|  |  | 
|  | cm->has_both_sides_refs = (cm->ref_frames_info.num_future_refs > 0) && | 
|  | (cm->ref_frames_info.num_past_refs > 0); | 
|  |  | 
|  | #if CONFIG_TMVP_MEM_OPT | 
|  | (void)ref_buf; | 
|  | #if CONFIG_MV_TRAJECTORY | 
|  | #if CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  | if (cm->seq_params.enable_mv_traj) { | 
|  | for (int rf = 0; rf < INTER_REFS_PER_FRAME; rf++) { | 
|  | for (int i = 0; i < mvs_rows * mvs_cols; i++) { | 
|  | cm->id_offset_map[rf][i].as_int = INVALID_MV; | 
|  | for (int k = 0; k < 3; k++) { | 
|  | cm->blk_id_map[k][rf][i] = -1; | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | #else | 
|  | int_mv **id_offset_map = cm->id_offset_map; | 
|  | int **blk_id_map = cm->blk_id_map; | 
|  | for (int rf = 0; rf < INTER_REFS_PER_FRAME; rf++) { | 
|  | for (int i = 0; i < mvs_rows * mvs_cols; i++) { | 
|  | id_offset_map[rf][i].as_int = INVALID_MV; | 
|  | blk_id_map[rf][i] = -1; | 
|  | } | 
|  | } | 
|  | #endif  // CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  | #endif  // CONFIG_MV_TRAJECTORY | 
|  |  | 
|  | // Find the sorted map of refs. | 
|  | int sort_ref[INTER_REFS_PER_FRAME] = { 0, 1, 2, 3, 4, 5, 6 }; | 
|  | int disp_order[INTER_REFS_PER_FRAME] = { 0 }; | 
|  |  | 
|  | bool is_overlay[INTER_REFS_PER_FRAME] = { false }; | 
|  | for (int rf = cm->ref_frames_info.num_total_refs - 1; rf >= 0; rf--) { | 
|  | if (is_ref_overlay(cm, rf) && | 
|  | get_ref_frame_buf(cm, rf)->frame_type != KEY_FRAME) { | 
|  | is_overlay[rf] = true; | 
|  | } | 
|  | } | 
|  |  | 
|  | for (int rf = 0; rf < cm->ref_frames_info.num_total_refs; rf++) { | 
|  | #if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | disp_order[rf] = get_ref_frame_buf(cm, rf)->display_order_hint; | 
|  | #else | 
|  | disp_order[rf] = get_ref_frame_buf(cm, rf)->order_hint; | 
|  | #endif  // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | } | 
|  | // Sort the points by x. | 
|  | for (int i = 0; i < cm->ref_frames_info.num_total_refs; i++) { | 
|  | for (int j = i + 1; j < cm->ref_frames_info.num_total_refs; j++) { | 
|  | if (get_relative_dist(order_hint_info, disp_order[j], disp_order[i]) < | 
|  | 0) { | 
|  | int tmp = disp_order[i]; | 
|  | disp_order[i] = disp_order[j]; | 
|  | disp_order[j] = tmp; | 
|  |  | 
|  | tmp = sort_ref[i]; | 
|  | sort_ref[i] = sort_ref[j]; | 
|  | sort_ref[j] = tmp; | 
|  | } | 
|  | } | 
|  | } | 
|  | #if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | int cur_disp_order = cm->cur_frame->display_order_hint; | 
|  | #else | 
|  | int cur_disp_order = cm->cur_frame->order_hint; | 
|  | #endif  // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | // The idx of rf in sort_ref that is before current frame, and closest. | 
|  | int cur_frame_sort_idx = -1; | 
|  | for (int rf_idx = 0; rf_idx < cm->ref_frames_info.num_total_refs; rf_idx++) { | 
|  | if (get_relative_dist(order_hint_info, disp_order[rf_idx], cur_disp_order) < | 
|  | 0) { | 
|  | cur_frame_sort_idx = rf_idx; | 
|  | } else { | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | int rf_stack[INTER_REFS_PER_FRAME]; | 
|  | int visited[INTER_REFS_PER_FRAME] = { 0 }; | 
|  | int stack_count = 0; | 
|  | for (int rf = 0; rf < cm->ref_frames_info.num_total_refs; rf++) { | 
|  | if (visited[rf] == 0) { | 
|  | recur_topo_sort_refs(cm, is_overlay, rf_stack, visited, &stack_count, rf); | 
|  | } | 
|  | } | 
|  |  | 
|  | if (stack_count < 2) return; | 
|  |  | 
|  | int rf_topo_stack_idx[INTER_REFS_PER_FRAME]; | 
|  | for (int rf = 0; rf < cm->ref_frames_info.num_total_refs; rf++) { | 
|  | rf_topo_stack_idx[rf] = -1; | 
|  | for (int stack_idx = 0; stack_idx < stack_count; stack_idx++) { | 
|  | if (rf_stack[stack_idx] == rf) { | 
|  | rf_topo_stack_idx[rf] = stack_idx; | 
|  | break; | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | struct ProcessRefTMVP process_ref[20]; | 
|  | int process_count = 0; | 
|  | int checked_ref[INTER_REFS_PER_FRAME][2] = { 0 }; | 
|  | int checked_count = 0; | 
|  |  | 
|  | if (cm->seq_params.enable_tip) { | 
|  | #if CONFIG_TIP_LD | 
|  | if (cm->has_both_sides_refs || cm->ref_frames_info.num_past_refs >= 2) { | 
|  | if (cm->has_both_sides_refs) { | 
|  | cm->tip_ref.ref_frame[0] = sort_ref[cur_frame_sort_idx]; | 
|  | cm->tip_ref.ref_frame[1] = sort_ref[cur_frame_sort_idx + 1]; | 
|  | } else if (cm->ref_frames_info.num_past_refs >= 2) { | 
|  | cm->tip_ref.ref_frame[0] = sort_ref[cur_frame_sort_idx]; | 
|  | cm->tip_ref.ref_frame[1] = sort_ref[cur_frame_sort_idx - 1]; | 
|  | } | 
|  | #else | 
|  | if (cur_frame_sort_idx >= 0 && | 
|  | cur_frame_sort_idx < cm->ref_frames_info.num_total_refs - 1) { | 
|  | cm->tip_ref.ref_frame[0] = sort_ref[cur_frame_sort_idx]; | 
|  | cm->tip_ref.ref_frame[1] = sort_ref[cur_frame_sort_idx + 1]; | 
|  | #endif  // CONFIG_TIP_LD | 
|  | int start_frame, target_frame; | 
|  | int side; | 
|  | if (rf_topo_stack_idx[cm->tip_ref.ref_frame[0]] > | 
|  | rf_topo_stack_idx[cm->tip_ref.ref_frame[1]]) { | 
|  | start_frame = cm->tip_ref.ref_frame[0]; | 
|  | target_frame = cm->tip_ref.ref_frame[1]; | 
|  | side = 1;  // pointing from left to right | 
|  | } else { | 
|  | start_frame = cm->tip_ref.ref_frame[1]; | 
|  | target_frame = cm->tip_ref.ref_frame[0]; | 
|  | side = 0;  // pointing from right to left | 
|  | } | 
|  | check_and_add_process_ref(cm, TIP_MFMV_STACK_SIZE, 1, start_frame, | 
|  | target_frame, side, checked_ref, &checked_count, | 
|  | process_ref, &process_count); | 
|  | } else { | 
|  | cm->tip_ref.ref_frame[0] = NONE_FRAME; | 
|  | cm->tip_ref.ref_frame[1] = NONE_FRAME; | 
|  | } | 
|  | } | 
|  |  | 
|  | for (int group_idx = 0; group_idx < 2; ++group_idx) { | 
|  | int past_ref_sort_idx = | 
|  | cur_frame_sort_idx >= group_idx ? cur_frame_sort_idx - group_idx : -1; | 
|  | if (past_ref_sort_idx >= 0 && | 
|  | !has_future_ref(cm, sort_ref[past_ref_sort_idx])) | 
|  | past_ref_sort_idx = -1; | 
|  |  | 
|  | int future_ref_sort_idx = | 
|  | cur_frame_sort_idx < cm->ref_frames_info.num_total_refs - group_idx - 1 | 
|  | ? cur_frame_sort_idx + 1 + group_idx | 
|  | : -1; | 
|  | if (future_ref_sort_idx >= 0 && | 
|  | !has_past_ref(cm, sort_ref[future_ref_sort_idx])) | 
|  | future_ref_sort_idx = -1; | 
|  |  | 
|  | const int past_ref_to_its_ref_dist = | 
|  | past_ref_sort_idx >= 0 | 
|  | ? get_dist_to_closest_interp_ref(cm, sort_ref[past_ref_sort_idx], 0) | 
|  | : -1; | 
|  |  | 
|  | const int future_ref_to_its_ref_dist = | 
|  | future_ref_sort_idx >= 0 ? get_dist_to_closest_interp_ref( | 
|  | cm, sort_ref[future_ref_sort_idx], 1) | 
|  | : -1; | 
|  |  | 
|  | if (future_ref_to_its_ref_dist < past_ref_to_its_ref_dist) { | 
|  | if (future_ref_sort_idx != -1) { | 
|  | check_and_add_process_ref( | 
|  | cm, TIP_MFMV_STACK_SIZE, 0, sort_ref[future_ref_sort_idx], -1, 0, | 
|  | checked_ref, &checked_count, process_ref, &process_count); | 
|  | } | 
|  | if (past_ref_sort_idx != -1) { | 
|  | check_and_add_process_ref( | 
|  | cm, TIP_MFMV_STACK_SIZE, 0, sort_ref[past_ref_sort_idx], -1, 1, | 
|  | checked_ref, &checked_count, process_ref, &process_count); | 
|  | } | 
|  | } else { | 
|  | if (past_ref_sort_idx != -1) { | 
|  | check_and_add_process_ref( | 
|  | cm, TIP_MFMV_STACK_SIZE, 0, sort_ref[past_ref_sort_idx], -1, 1, | 
|  | checked_ref, &checked_count, process_ref, &process_count); | 
|  | } | 
|  | if (future_ref_sort_idx != -1) { | 
|  | check_and_add_process_ref( | 
|  | cm, TIP_MFMV_STACK_SIZE, 0, sort_ref[future_ref_sort_idx], -1, 0, | 
|  | checked_ref, &checked_count, process_ref, &process_count); | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | if (cur_frame_sort_idx >= 0) { | 
|  | check_and_add_process_ref(cm, TIP_MFMV_STACK_SIZE, 0, | 
|  | sort_ref[cur_frame_sort_idx], -1, 0, checked_ref, | 
|  | &checked_count, process_ref, &process_count); | 
|  | } | 
|  | if (cur_frame_sort_idx >= 1) { | 
|  | check_and_add_process_ref( | 
|  | cm, TIP_MFMV_STACK_SIZE, 0, sort_ref[cur_frame_sort_idx - 1], -1, 0, | 
|  | checked_ref, &checked_count, process_ref, &process_count); | 
|  | } | 
|  |  | 
|  | for (int ri = stack_count - 1; ri > 0; ri--) { | 
|  | int side; | 
|  | #if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | const int ref_hint = | 
|  | get_ref_frame_buf(cm, rf_stack[ri])->display_order_hint; | 
|  | #else | 
|  | const int ref_hint = get_ref_frame_buf(cm, rf_stack[ri])->order_hint; | 
|  | #endif  // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | if (get_relative_dist(order_hint_info, ref_hint, cur_disp_order) < 0) { | 
|  | side = 1; | 
|  | } else { | 
|  | side = 0; | 
|  | } | 
|  |  | 
|  | if (!checked_ref[rf_stack[ri]][side]) { | 
|  | check_and_add_process_ref(cm, MFMV_STACK_SIZE, 0, rf_stack[ri], -1, side, | 
|  | checked_ref, &checked_count, process_ref, | 
|  | &process_count); | 
|  | } | 
|  |  | 
|  | side = !side; | 
|  | if (!checked_ref[rf_stack[ri]][side]) { | 
|  | check_and_add_process_ref(cm, MFMV_STACK_SIZE, 0, rf_stack[ri], -1, side, | 
|  | checked_ref, &checked_count, process_ref, | 
|  | &process_count); | 
|  | } | 
|  | } | 
|  |  | 
|  | #if CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  | // At the encoder cm->tmvp_sample_step is initialized as -1, while at the | 
|  | // decoder it is already read from bitstream before this. | 
|  | if (cm->tmvp_sample_step < 0) { | 
|  | determine_tmvp_sample_step(cm, checked_ref); | 
|  | } | 
|  | #else | 
|  | determine_tmvp_sample_step(cm, checked_ref); | 
|  | #endif  // CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  |  | 
|  | #if CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  | get_proc_size_and_offset(cm, &cm->tmvp_proc_size, &cm->tmvp_row_offset, | 
|  | &cm->tmvp_col_offset); | 
|  | #endif  // CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  |  | 
|  | #if CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  | #if USE_PER_BLOCK_TMVP | 
|  | for (int this_row_start = 0; this_row_start < mvs_rows; | 
|  | this_row_start += cm->tmvp_proc_size) { | 
|  | for (int this_col_start = 0; this_col_start < mvs_cols; | 
|  | this_col_start += cm->tmvp_proc_size) { | 
|  | for (int rf = 0; rf < INTER_REFS_PER_FRAME; rf++) { | 
|  | for (int i = 0; i < mvs_rows * mvs_cols; i++) { | 
|  | cm->blk_id_map[0][rf][i] = -1; | 
|  | } | 
|  | } | 
|  | int this_row_end = AOMMIN(mvs_rows, this_row_start + cm->tmvp_proc_size); | 
|  | int this_col_end = AOMMIN(mvs_cols, this_col_start + cm->tmvp_proc_size); | 
|  |  | 
|  | int refmv_row_start = AOMMAX(0, this_row_start - cm->tmvp_row_offset); | 
|  | int refmv_row_end = AOMMIN(mvs_rows, this_row_end + cm->tmvp_row_offset); | 
|  |  | 
|  | int refmv_col_start = AOMMAX(0, this_col_start - cm->tmvp_col_offset); | 
|  | int refmv_col_end = AOMMIN(mvs_cols, this_col_end + cm->tmvp_col_offset); | 
|  |  | 
|  | for (int pi = 0; pi < process_count; pi++) { | 
|  | if (process_ref[pi].type == 0) { | 
|  | motion_field_projection_side_block( | 
|  | cm, process_ref[pi].start_frame, process_ref[pi].side, | 
|  | refmv_row_start, refmv_col_start, refmv_row_end, refmv_col_end, | 
|  | this_row_start, this_col_start, this_row_end, this_col_end); | 
|  | } else { | 
|  | motion_field_projection_start_target_block( | 
|  | cm, process_ref[pi].start_frame, process_ref[pi].target_frame, | 
|  | refmv_row_start, refmv_col_start, refmv_row_end, refmv_col_end, | 
|  | this_row_start, this_col_start, this_row_end, this_col_end); | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | #else | 
|  | for (int pi = 0; pi < process_count; pi++) { | 
|  | if (process_ref[pi].type == 0) { | 
|  | motion_field_projection_side(cm, process_ref[pi].start_frame, | 
|  | process_ref[pi].side); | 
|  | } else { | 
|  | motion_field_projection_start_target(cm, process_ref[pi].start_frame, | 
|  | process_ref[pi].target_frame); | 
|  | } | 
|  | } | 
|  | #endif  // USE_PER_BLOCK_TMVP | 
|  | #else | 
|  | for (int pi = 0; pi < process_count; pi++) { | 
|  | if (process_ref[pi].type == 0) { | 
|  | motion_field_projection_side(cm, process_ref[pi].start_frame, | 
|  | process_ref[pi].side); | 
|  | } else { | 
|  | motion_field_projection_start_target(cm, process_ref[pi].start_frame, | 
|  | process_ref[pi].target_frame); | 
|  | } | 
|  | } | 
|  | #endif  // CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  |  | 
|  | #if CONFIG_MV_TRAJECTORY | 
|  | #if CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  | if (cm->seq_params.enable_mv_traj) { | 
|  | #endif  // CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  | fill_id_offset_sample_gap(cm); | 
|  | fill_block_id_sample_gap(cm); | 
|  | #if CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  | } | 
|  | #endif  // CONFIG_TMVP_SIMPLIFICATIONS_F085 | 
|  | #endif  // CONFIG_MV_TRAJECTORY | 
|  | #else | 
|  | if (cm->seq_params.enable_tip) { | 
|  | av1_derive_tip_nearest_ref_frames_motion_projection(cm); | 
|  | } | 
|  |  | 
|  | int n_refs_used = 0; | 
|  |  | 
|  | // Implements a strategy where the closest references in the past | 
|  | // and future ranked lists are processed first, followed by | 
|  | // processing the second closest references up to MFMV_STACK_SIZE. | 
|  | // | 
|  | // Find two closest past and future references | 
|  | int dist[2][2] = { { INT_MAX, INT_MAX }, { INT_MAX, INT_MAX } }; | 
|  | int closest_ref[2][2] = { { -1, -1 }, { -1, -1 } }; | 
|  | for (int ref_frame = 0; ref_frame < cm->ref_frames_info.num_total_refs; | 
|  | ref_frame++) { | 
|  | const int dir = cm->ref_frame_side[ref_frame]; | 
|  | if (dir == -1 || is_ref_overlay(cm, ref_frame) || | 
|  | !is_ref_motion_field_eligible(cm, ref_buf[ref_frame])) | 
|  | continue; | 
|  | const int absdist = abs(cm->ref_frames_info.ref_frame_distance[ref_frame]); | 
|  | if (absdist < dist[dir][0]) { | 
|  | dist[dir][1] = dist[dir][0]; | 
|  | closest_ref[dir][1] = closest_ref[dir][0]; | 
|  | dist[dir][0] = absdist; | 
|  | closest_ref[dir][0] = ref_frame; | 
|  | } else if (absdist < dist[dir][1]) { | 
|  | dist[dir][1] = absdist; | 
|  | closest_ref[dir][1] = ref_frame; | 
|  | } | 
|  | } | 
|  |  | 
|  | #if CONFIG_MF_IMPROVEMENT | 
|  | // Do projection on group 0 (closest past (backward MV), closest future), | 
|  | // group 1(second closest future, second closest past (backward MV)), | 
|  | // closest past (forward MV), and then second closest past (forward MVs), | 
|  | // without overwriting the MVs. | 
|  | // The projection order of the ref frames in group 0 and group 1 depends | 
|  | // on the ref frame to its own first ref frame that has interpolation | 
|  | // property relative to current frame. Interpolation means two frames are on | 
|  | // two sides of current frame | 
|  | for (int group_idx = 0; group_idx < 2; ++group_idx) { | 
|  | const int past_ref_to_its_ref_dist = | 
|  | get_dist_to_closest_interp_ref(cm, closest_ref[0][group_idx], 0); | 
|  | const int future_ref_to_its_ref_dist = | 
|  | get_dist_to_closest_interp_ref(cm, closest_ref[1][group_idx], 1); | 
|  | if (future_ref_to_its_ref_dist < past_ref_to_its_ref_dist) { | 
|  | if (closest_ref[1][group_idx] != -1 && n_refs_used < MFMV_STACK_SIZE) { | 
|  | n_refs_used += | 
|  | motion_field_projection(cm, closest_ref[1][group_idx], 0, 0); | 
|  | } | 
|  |  | 
|  | if (closest_ref[0][group_idx] != -1 && n_refs_used < MFMV_STACK_SIZE) { | 
|  | n_refs_used += | 
|  | motion_field_projection_bwd(cm, closest_ref[0][group_idx], 2, 0); | 
|  | } | 
|  | } else { | 
|  | if (closest_ref[0][group_idx] != -1 && n_refs_used < MFMV_STACK_SIZE) { | 
|  | n_refs_used += | 
|  | motion_field_projection_bwd(cm, closest_ref[0][group_idx], 2, 0); | 
|  | } | 
|  | if (closest_ref[1][group_idx] != -1 && n_refs_used < MFMV_STACK_SIZE) { | 
|  | n_refs_used += | 
|  | motion_field_projection(cm, closest_ref[1][group_idx], 0, 0); | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | if (closest_ref[0][0] != -1 && n_refs_used < MFMV_STACK_SIZE) { | 
|  | n_refs_used += motion_field_projection(cm, closest_ref[0][0], 2, 0); | 
|  | } | 
|  |  | 
|  | if (closest_ref[0][1] != -1 && n_refs_used < MFMV_STACK_SIZE) { | 
|  | motion_field_projection(cm, closest_ref[0][1], 2, 0); | 
|  | } | 
|  | #else | 
|  | // Do projection on closest past (backward MV), closest future, second | 
|  | // closest future, second closest past (backward MV), closest path (forward | 
|  | // MV), and then second closest past (forward MVs), without overwriting | 
|  | // the MVs. | 
|  | if (closest_ref[0][0] != -1) { | 
|  | const int ret = motion_field_projection_bwd(cm, closest_ref[0][0], 2, 0); | 
|  | n_refs_used += ret; | 
|  | } | 
|  | if (closest_ref[1][0] != -1) { | 
|  | const int ret = motion_field_projection(cm, closest_ref[1][0], 0, 0); | 
|  | n_refs_used += ret; | 
|  | } | 
|  | if (closest_ref[1][1] != -1 && n_refs_used < MFMV_STACK_SIZE) { | 
|  | const int ret = motion_field_projection(cm, closest_ref[1][1], 0, 0); | 
|  | n_refs_used += ret; | 
|  | } | 
|  | if (closest_ref[0][0] != -1 && n_refs_used < MFMV_STACK_SIZE) { | 
|  | const int ret = motion_field_projection(cm, closest_ref[0][0], 2, 0); | 
|  | n_refs_used += ret; | 
|  | } | 
|  | if (closest_ref[0][1] != -1 && n_refs_used < MFMV_STACK_SIZE) { | 
|  | const int ret = motion_field_projection_bwd(cm, closest_ref[0][1], 2, 0); | 
|  | n_refs_used += ret; | 
|  | } | 
|  | if (closest_ref[0][1] != -1 && n_refs_used < MFMV_STACK_SIZE) { | 
|  | motion_field_projection(cm, closest_ref[0][1], 2, 0); | 
|  | } | 
|  | #endif  // CONFIG_MF_IMPROVEMENT | 
|  | #endif  // #if CONFIG_TMVP_MEM_OPT | 
|  | } | 
|  |  | 
|  | void av1_setup_ref_frame_sides(AV1_COMMON *cm) { | 
|  | const OrderHintInfo *const order_hint_info = &cm->seq_params.order_hint_info; | 
|  |  | 
|  | memset(cm->ref_frame_side, 0, sizeof(cm->ref_frame_side)); | 
|  | memset(cm->ref_frame_relative_dist, 0, sizeof(cm->ref_frame_relative_dist)); | 
|  | if (!order_hint_info->enable_order_hint) return; | 
|  |  | 
|  | #if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | const int cur_order_hint = cm->cur_frame->display_order_hint; | 
|  | #else | 
|  | const int cur_order_hint = cm->cur_frame->order_hint; | 
|  | #endif  // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  |  | 
|  | const int num_refs = | 
|  | AOMMIN(cm->ref_frames_info.num_total_refs, INTER_REFS_PER_FRAME); | 
|  | for (int ref_frame = 0; ref_frame < num_refs; ref_frame++) { | 
|  | const RefCntBuffer *const buf = get_ref_frame_buf(cm, ref_frame); | 
|  | int order_hint = 0; | 
|  |  | 
|  | #if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | if (buf != NULL) order_hint = buf->display_order_hint; | 
|  | #else | 
|  | if (buf != NULL) order_hint = buf->order_hint; | 
|  | #endif  // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | const int relative_dist = | 
|  | get_relative_dist(order_hint_info, order_hint, cur_order_hint); | 
|  | if (relative_dist > 0) { | 
|  | cm->ref_frame_side[ref_frame] = 1; | 
|  | } else if (order_hint == cur_order_hint) { | 
|  | cm->ref_frame_side[ref_frame] = -1; | 
|  | } | 
|  | cm->ref_frame_relative_dist[ref_frame] = abs(relative_dist); | 
|  | } | 
|  | } | 
|  |  | 
|  | static INLINE void record_samples(const MB_MODE_INFO *mbmi, | 
|  | #if CONFIG_COMPOUND_WARP_SAMPLES | 
|  | int ref, | 
|  | #endif  // CONFIG_COMPOUND_WARP_SAMPLES | 
|  | int *pts, int *pts_inref, int row_offset, | 
|  | int sign_r, int col_offset, int sign_c) { | 
|  | int bw = block_size_wide[mbmi->sb_type[PLANE_TYPE_Y]]; | 
|  | int bh = block_size_high[mbmi->sb_type[PLANE_TYPE_Y]]; | 
|  | int x = col_offset * MI_SIZE + sign_c * AOMMAX(bw, MI_SIZE) / 2 - 1; | 
|  | int y = row_offset * MI_SIZE + sign_r * AOMMAX(bh, MI_SIZE) / 2 - 1; | 
|  |  | 
|  | pts[0] = GET_MV_SUBPEL(x); | 
|  | pts[1] = GET_MV_SUBPEL(y); | 
|  | #if !CONFIG_COMPOUND_WARP_SAMPLES | 
|  | const int ref = 0; | 
|  | #endif  // CONFIG_COMPOUND_WARP_SAMPLES | 
|  | pts_inref[0] = GET_MV_SUBPEL(x) + mbmi->mv[ref].as_mv.col; | 
|  | pts_inref[1] = GET_MV_SUBPEL(y) + mbmi->mv[ref].as_mv.row; | 
|  | } | 
|  |  | 
|  | // Select samples according to the motion vector difference. | 
|  | uint8_t av1_selectSamples(MV *mv, int *pts, int *pts_inref, int len, | 
|  | BLOCK_SIZE bsize) { | 
|  | const int bw = block_size_wide[bsize]; | 
|  | const int bh = block_size_high[bsize]; | 
|  | const int thresh = clamp(AOMMAX(bw, bh), 16, 112); | 
|  | int pts_mvd[SAMPLES_ARRAY_SIZE] = { 0 }; | 
|  | int i, j, k, l = len; | 
|  | uint8_t ret = 0; | 
|  | assert(len <= LEAST_SQUARES_SAMPLES_MAX); | 
|  |  | 
|  | // Obtain the motion vector difference. | 
|  | for (i = 0; i < len; ++i) { | 
|  | pts_mvd[i] = abs(pts_inref[2 * i] - pts[2 * i] - mv->col) + | 
|  | abs(pts_inref[2 * i + 1] - pts[2 * i + 1] - mv->row); | 
|  |  | 
|  | if (pts_mvd[i] > thresh) | 
|  | pts_mvd[i] = -1; | 
|  | else | 
|  | ret++; | 
|  | } | 
|  |  | 
|  | // Keep at least 1 sample. | 
|  | if (!ret) return 1; | 
|  |  | 
|  | i = 0; | 
|  | j = l - 1; | 
|  | for (k = 0; k < l - ret; k++) { | 
|  | while (pts_mvd[i] != -1) i++; | 
|  | while (pts_mvd[j] == -1) j--; | 
|  | assert(i != j); | 
|  | if (i > j) break; | 
|  |  | 
|  | // Replace the discarded samples; | 
|  | pts_mvd[i] = pts_mvd[j]; | 
|  | pts[2 * i] = pts[2 * j]; | 
|  | pts[2 * i + 1] = pts[2 * j + 1]; | 
|  | pts_inref[2 * i] = pts_inref[2 * j]; | 
|  | pts_inref[2 * i + 1] = pts_inref[2 * j + 1]; | 
|  | i++; | 
|  | j--; | 
|  | } | 
|  |  | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | // Note: Samples returned are at 1/8-pel precision | 
|  | // Sample are the neighbor block center point's coordinates relative to the | 
|  | // left-top pixel of current block. | 
|  | uint8_t av1_findSamples(const AV1_COMMON *cm, MACROBLOCKD *xd, int *pts, | 
|  | int *pts_inref | 
|  | #if CONFIG_COMPOUND_WARP_CAUSAL | 
|  | , | 
|  | int ref_idx | 
|  | #endif  // CONFIG_COMPOUND_WARP_CAUSAL | 
|  | ) { | 
|  | const MB_MODE_INFO *const mbmi = xd->mi[0]; | 
|  | #if CONFIG_COMPOUND_WARP_CAUSAL | 
|  | const int ref_frame = mbmi->ref_frame[ref_idx]; | 
|  | #else | 
|  | const int ref_frame = mbmi->ref_frame[0]; | 
|  | #endif  // CONFIG_COMPOUND_WARP_CAUSAL | 
|  | const int up_available = xd->up_available; | 
|  | const int left_available = xd->left_available; | 
|  | int i, mi_step; | 
|  | uint8_t np = 0; | 
|  | int do_top_left = 1; | 
|  | int do_top_right = 1; | 
|  | const int mi_stride = xd->mi_stride; | 
|  | const int mi_row = xd->mi_row; | 
|  | const int mi_col = xd->mi_col; | 
|  | const TileInfo *const tile = &xd->tile; | 
|  |  | 
|  | #if CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | const int is_sb_border = (mi_row % cm->mib_size == 0); | 
|  | #endif  // CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | // scan the nearest above rows | 
|  | if (up_available) { | 
|  | const int mi_row_offset = -1; | 
|  | MB_MODE_INFO *above_mbmi = xd->mi[mi_row_offset * mi_stride]; | 
|  | const int above_mc_offset_start = above_mbmi->mi_col_start - mi_col; | 
|  |  | 
|  | if (above_mc_offset_start < 0) do_top_left = 0; | 
|  |  | 
|  | for (i = above_mc_offset_start; | 
|  | i < AOMMIN(xd->width, cm->mi_params.mi_cols - mi_col); i += mi_step) { | 
|  | above_mbmi = xd->mi[i + mi_row_offset * mi_stride]; | 
|  | mi_step = mi_size_wide[above_mbmi->sb_type[PLANE_TYPE_Y]]; | 
|  | #if CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | if (is_sb_border && ((mi_col + i) % 2)) { | 
|  | // Block MI width is 1 and block is in odd column | 
|  | if (mi_step == 1) continue; | 
|  |  | 
|  | const int adjust_mi_col_offset = | 
|  | ((ROUND_POWER_OF_TWO(mi_col + i, 1)) << 1) - mi_col; | 
|  |  | 
|  | const POSITION block_pos = { -1, adjust_mi_col_offset }; | 
|  | if (!is_inside(tile, mi_col, mi_row, &block_pos)) { | 
|  | continue; | 
|  | } | 
|  |  | 
|  | above_mbmi = xd->mi[adjust_mi_col_offset + mi_row_offset * mi_stride]; | 
|  | } | 
|  | #endif  // CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  |  | 
|  | #if CONFIG_SKIP_MODE_PARSING_DEPENDENCY_REMOVAL | 
|  | if (above_mbmi->skip_mode == 0) | 
|  | #endif  // CONFIG_SKIP_MODE_PARSING_DEPENDENCY_REMOVAL | 
|  | #if CONFIG_COMPOUND_WARP_SAMPLES | 
|  | for (int ref = 0; ref < 1 + has_second_ref(above_mbmi); ++ref) { | 
|  | if (above_mbmi->ref_frame[ref] == ref_frame) { | 
|  | record_samples(above_mbmi, ref, pts, pts_inref, 0, -1, i, 1); | 
|  | pts += 2; | 
|  | pts_inref += 2; | 
|  | if (++np >= LEAST_SQUARES_SAMPLES_MAX) | 
|  | return LEAST_SQUARES_SAMPLES_MAX; | 
|  | } | 
|  | } | 
|  | #else | 
|  | if (above_mbmi->ref_frame[0] == ref_frame && | 
|  | above_mbmi->ref_frame[1] == NONE_FRAME) { | 
|  | record_samples(above_mbmi, pts, pts_inref, 0, -1, i, 1); | 
|  | pts += 2; | 
|  | pts_inref += 2; | 
|  | if (++np >= LEAST_SQUARES_SAMPLES_MAX) { | 
|  | return LEAST_SQUARES_SAMPLES_MAX; | 
|  | } | 
|  | } | 
|  | #endif  // CONFIG_COMPOUND_WARP_SAMPLES | 
|  | } | 
|  |  | 
|  | do_top_right = (i == xd->width) && (i < cm->mi_params.mi_cols - mi_col); | 
|  | } | 
|  |  | 
|  | // Scan the nearest left columns | 
|  | if (left_available) { | 
|  | const int mi_col_offset = -1; | 
|  | MB_MODE_INFO *left_mbmi = xd->mi[mi_col_offset]; | 
|  | const int left_mr_offset_start = left_mbmi->mi_row_start - mi_row; | 
|  |  | 
|  | if (left_mr_offset_start < 0) do_top_left = 0; | 
|  |  | 
|  | for (i = left_mr_offset_start; | 
|  | i < AOMMIN(xd->height, cm->mi_params.mi_rows - mi_row); i += mi_step) { | 
|  | left_mbmi = xd->mi[mi_col_offset + i * mi_stride]; | 
|  | mi_step = mi_size_high[left_mbmi->sb_type[PLANE_TYPE_Y]]; | 
|  |  | 
|  | #if CONFIG_COMPOUND_WARP_SAMPLES | 
|  | #if CONFIG_SKIP_MODE_PARSING_DEPENDENCY_REMOVAL | 
|  | if (left_mbmi->skip_mode == 0) | 
|  | #endif  // CONFIG_SKIP_MODE_PARSING_DEPENDENCY_REMOVAL | 
|  | for (int ref = 0; ref < 1 + has_second_ref(left_mbmi); ++ref) { | 
|  | if (left_mbmi->ref_frame[ref] == ref_frame) { | 
|  | record_samples(left_mbmi, ref, pts, pts_inref, i, 1, 0, -1); | 
|  | pts += 2; | 
|  | pts_inref += 2; | 
|  | if (++np >= LEAST_SQUARES_SAMPLES_MAX) { | 
|  | return LEAST_SQUARES_SAMPLES_MAX; | 
|  | } | 
|  | } | 
|  | } | 
|  | #else | 
|  | if (left_mbmi->ref_frame[0] == ref_frame && | 
|  | left_mbmi->ref_frame[1] == NONE_FRAME) { | 
|  | record_samples(left_mbmi, pts, pts_inref, i, 1, 0, -1); | 
|  | pts += 2; | 
|  | pts_inref += 2; | 
|  | if (++np >= LEAST_SQUARES_SAMPLES_MAX) { | 
|  | return LEAST_SQUARES_SAMPLES_MAX; | 
|  | } | 
|  | } | 
|  | #endif  // CONFIG_COMPOUND_WARP_SAMPLES | 
|  | } | 
|  | } | 
|  | assert(np <= LEAST_SQUARES_SAMPLES_MAX); | 
|  |  | 
|  | // Top-left block | 
|  | if (do_top_left && left_available && up_available) { | 
|  | const int mi_row_offset = -1; | 
|  | const int mi_col_offset = -1; | 
|  | #if CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | int has_valid_top_left = 1; | 
|  | MB_MODE_INFO *top_left_mbmi = | 
|  | xd->mi[mi_col_offset + mi_row_offset * mi_stride]; | 
|  | const int top_left_mi_col = (mi_col + mi_col_offset); | 
|  | if (is_sb_border && (top_left_mi_col % 2)) { | 
|  | mi_step = mi_size_wide[top_left_mbmi->sb_type[PLANE_TYPE_Y]]; | 
|  | if (mi_step == 1) { | 
|  | // Block MI width is 1 and block is in odd column | 
|  | has_valid_top_left = 0; | 
|  | } else { | 
|  | int adjust_mi_col_offset = 0; | 
|  | if (top_left_mi_col > top_left_mbmi->mi_col_start) { | 
|  | adjust_mi_col_offset = top_left_mi_col - 1 - mi_col; | 
|  | } else { | 
|  | adjust_mi_col_offset = top_left_mi_col + 1 - mi_col; | 
|  | } | 
|  |  | 
|  | top_left_mbmi = | 
|  | xd->mi[adjust_mi_col_offset + mi_row_offset * mi_stride]; | 
|  | } | 
|  | } | 
|  |  | 
|  | if (has_valid_top_left) { | 
|  | #else | 
|  | const MB_MODE_INFO *top_left_mbmi = | 
|  | xd->mi[mi_col_offset + mi_row_offset * mi_stride]; | 
|  | #endif  // CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | #if CONFIG_COMPOUND_WARP_SAMPLES | 
|  | #if CONFIG_SKIP_MODE_PARSING_DEPENDENCY_REMOVAL | 
|  | if (top_left_mbmi->skip_mode == 0) | 
|  | #endif  // CONFIG_SKIP_MODE_PARSING_DEPENDENCY_REMOVAL | 
|  | for (int ref = 0; ref < 1 + has_second_ref(top_left_mbmi); ++ref) { | 
|  | if (top_left_mbmi->ref_frame[ref] == ref_frame) { | 
|  | record_samples(top_left_mbmi, ref, pts, pts_inref, 0, -1, 0, -1); | 
|  | pts += 2; | 
|  | pts_inref += 2; | 
|  | if (++np >= LEAST_SQUARES_SAMPLES_MAX) | 
|  | return LEAST_SQUARES_SAMPLES_MAX; | 
|  | } | 
|  | } | 
|  | #else | 
|  | if (top_left_mbmi->ref_frame[0] == ref_frame && | 
|  | top_left_mbmi->ref_frame[1] == NONE_FRAME) { | 
|  | record_samples(top_left_mbmi, pts, pts_inref, 0, -1, 0, -1); | 
|  | pts += 2; | 
|  | pts_inref += 2; | 
|  | if (++np >= LEAST_SQUARES_SAMPLES_MAX) return LEAST_SQUARES_SAMPLES_MAX; | 
|  | } | 
|  | #endif  // CONFIG_COMPOUND_WARP_SAMPLES | 
|  | #if CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | } | 
|  | #endif  // CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | } | 
|  | assert(np <= LEAST_SQUARES_SAMPLES_MAX); | 
|  |  | 
|  | // Top-right block | 
|  | if (do_top_right && has_top_right(cm, xd, mi_row, mi_col, xd->width)) { | 
|  | const POSITION top_right_block_pos = { -1, xd->width }; | 
|  |  | 
|  | if (is_inside(tile, mi_col, mi_row, &top_right_block_pos)) { | 
|  | const int mi_row_offset = -1; | 
|  | const int mi_col_offset = xd->width; | 
|  | #if CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | int has_valid_top_right = 1; | 
|  | MB_MODE_INFO *top_right_mbmi = | 
|  | xd->mi[mi_col_offset + mi_row_offset * mi_stride]; | 
|  | const int top_right_mi_col = (mi_col + mi_col_offset); | 
|  | if (is_sb_border && (top_right_mi_col % 2)) { | 
|  | mi_step = mi_size_wide[top_right_mbmi->sb_type[PLANE_TYPE_Y]]; | 
|  | if (mi_step == 1) { | 
|  | // Block MI width is 1 and block is in odd column | 
|  | has_valid_top_right = 0; | 
|  | } else { | 
|  | int adjust_mi_col_offset = 0; | 
|  | if (top_right_mi_col > top_right_mbmi->mi_col_start) { | 
|  | adjust_mi_col_offset = top_right_mi_col - 1 - mi_col; | 
|  | } else { | 
|  | adjust_mi_col_offset = top_right_mi_col + 1 - mi_col; | 
|  | } | 
|  |  | 
|  | const POSITION block_pos = { -1, adjust_mi_col_offset }; | 
|  | if (is_inside(tile, mi_col, mi_row, &block_pos)) { | 
|  | top_right_mbmi = | 
|  | xd->mi[adjust_mi_col_offset + mi_row_offset * mi_stride]; | 
|  | } else { | 
|  | has_valid_top_right = 0; | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | if (has_valid_top_right) { | 
|  | #else | 
|  | const MB_MODE_INFO *top_right_mbmi = | 
|  | xd->mi[mi_col_offset + mi_row_offset * mi_stride]; | 
|  | #endif  // CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | #if CONFIG_COMPOUND_WARP_SAMPLES | 
|  | #if CONFIG_SKIP_MODE_PARSING_DEPENDENCY_REMOVAL | 
|  | if (top_right_mbmi->skip_mode == 0) | 
|  | #endif  // CONFIG_SKIP_MODE_PARSING_DEPENDENCY_REMOVAL | 
|  | for (int ref = 0; ref < 1 + has_second_ref(top_right_mbmi); ++ref) { | 
|  | if (top_right_mbmi->ref_frame[ref] == ref_frame) { | 
|  | record_samples(top_right_mbmi, ref, pts, pts_inref, 0, -1, | 
|  | xd->width, 1); | 
|  | pts += 2; | 
|  | pts_inref += 2; | 
|  | if (++np >= LEAST_SQUARES_SAMPLES_MAX) { | 
|  | return LEAST_SQUARES_SAMPLES_MAX; | 
|  | } | 
|  | } | 
|  | } | 
|  | #else | 
|  | if (top_right_mbmi->ref_frame[0] == ref_frame && | 
|  | top_right_mbmi->ref_frame[1] == NONE_FRAME) { | 
|  | record_samples(top_right_mbmi, pts, pts_inref, 0, -1, xd->width, 1); | 
|  | if (++np >= LEAST_SQUARES_SAMPLES_MAX) return LEAST_SQUARES_SAMPLES_MAX; | 
|  | } | 
|  | #endif  // CONFIG_COMPOUND_WARP_SAMPLES | 
|  | #if CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | } | 
|  | #endif  // CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | } | 
|  | } | 
|  | assert(np <= LEAST_SQUARES_SAMPLES_MAX); | 
|  |  | 
|  | return np; | 
|  | } | 
|  |  | 
|  | void av1_setup_skip_mode_allowed(AV1_COMMON *cm) { | 
|  | const OrderHintInfo *const order_hint_info = &cm->seq_params.order_hint_info; | 
|  | SkipModeInfo *const skip_mode_info = &cm->current_frame.skip_mode_info; | 
|  |  | 
|  | skip_mode_info->skip_mode_allowed = 0; | 
|  | skip_mode_info->ref_frame_idx_0 = INVALID_IDX; | 
|  | skip_mode_info->ref_frame_idx_1 = INVALID_IDX; | 
|  |  | 
|  | if (!order_hint_info->enable_order_hint || frame_is_intra_only(cm) | 
|  | #if !CONFIG_D072_SKIP_MODE_IMPROVE | 
|  | || cm->current_frame.reference_mode == SINGLE_REFERENCE | 
|  | #endif  // !CONFIG_D072_SKIP_MODE_IMPROVE | 
|  | ) | 
|  | return; | 
|  |  | 
|  | #if CONFIG_SAME_REF_COMPOUND | 
|  | skip_mode_info->skip_mode_allowed = 1; | 
|  |  | 
|  | if (cm->ref_frames_info.num_total_refs > 1) { | 
|  | skip_mode_info->ref_frame_idx_1 = 1; | 
|  | skip_mode_info->ref_frame_idx_0 = 0; | 
|  | #if CONFIG_D072_SKIP_MODE_IMPROVE | 
|  | #if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | const int cur_order_hint = cm->current_frame.display_order_hint; | 
|  | #else | 
|  | const int cur_order_hint = cm->current_frame.order_hint; | 
|  | #endif  // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | int ref_offset[2]; | 
|  | get_skip_mode_ref_offsets(cm, ref_offset); | 
|  | const int cur_to_ref0 = abs(get_relative_dist( | 
|  | &cm->seq_params.order_hint_info, cur_order_hint, ref_offset[0])); | 
|  | const int cur_to_ref1 = abs(get_relative_dist( | 
|  | &cm->seq_params.order_hint_info, cur_order_hint, ref_offset[1])); | 
|  |  | 
|  | if (abs(cur_to_ref0 - cur_to_ref1) > 1) { | 
|  | skip_mode_info->ref_frame_idx_0 = 0; | 
|  | skip_mode_info->ref_frame_idx_1 = 0; | 
|  | } | 
|  | #endif  // CONFIG_D072_SKIP_MODE_IMPROVE | 
|  | } else { | 
|  | skip_mode_info->ref_frame_idx_1 = 0; | 
|  | skip_mode_info->ref_frame_idx_0 = 0; | 
|  | } | 
|  | #else | 
|  | #if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | const int cur_order_hint = cm->current_frame.display_order_hint; | 
|  | #else | 
|  | const int cur_order_hint = cm->current_frame.order_hint; | 
|  | #endif  // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | int ref_order_hints[2] = { -1, INT_MAX }; | 
|  | int ref_idx[2] = { INVALID_IDX, INVALID_IDX }; | 
|  |  | 
|  | // Identify the top ranked forward and backward references. | 
|  | for (int i = 0; i < cm->ref_frames_info.num_total_refs; ++i) { | 
|  | const RefCntBuffer *const buf = get_ref_frame_buf(cm, i); | 
|  | if (buf == NULL) continue; | 
|  |  | 
|  | #if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | const int ref_order_hint = buf->display_order_hint; | 
|  | #else | 
|  | const int ref_order_hint = buf->order_hint; | 
|  | #endif  // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | if (get_relative_dist(order_hint_info, ref_order_hint, cur_order_hint) < | 
|  | 0) { | 
|  | // Forward reference | 
|  | if (ref_order_hints[0] == -1 || | 
|  | get_relative_dist(order_hint_info, ref_order_hint, | 
|  | ref_order_hints[0]) > 0) { | 
|  | ref_order_hints[0] = ref_order_hint; | 
|  | ref_idx[0] = i; | 
|  | } | 
|  | } else if (get_relative_dist(order_hint_info, ref_order_hint, | 
|  | cur_order_hint) > 0) { | 
|  | // Backward reference | 
|  | if (ref_order_hints[1] == INT_MAX || | 
|  | get_relative_dist(order_hint_info, ref_order_hint, | 
|  | ref_order_hints[1]) < 0) { | 
|  | ref_order_hints[1] = ref_order_hint; | 
|  | ref_idx[1] = i; | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | if (ref_idx[0] != INVALID_IDX && ref_idx[1] != INVALID_IDX) { | 
|  | // == Bi-directional prediction == | 
|  | skip_mode_info->skip_mode_allowed = 1; | 
|  | #if CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | skip_mode_info->ref_frame_idx_0 = ref_idx[0]; | 
|  | skip_mode_info->ref_frame_idx_1 = ref_idx[1]; | 
|  | #else | 
|  | skip_mode_info->ref_frame_idx_0 = AOMMIN(ref_idx[0], ref_idx[1]); | 
|  | skip_mode_info->ref_frame_idx_1 = AOMMAX(ref_idx[0], ref_idx[1]); | 
|  | #endif  // CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | } else if (ref_idx[0] != INVALID_IDX && ref_idx[1] == INVALID_IDX) { | 
|  | // == Forward prediction only == | 
|  | // Identify the second nearest forward reference. | 
|  | ref_order_hints[1] = -1; | 
|  | for (int i = 0; i < INTER_REFS_PER_FRAME; ++i) { | 
|  | const RefCntBuffer *const buf = get_ref_frame_buf(cm, i); | 
|  | if (buf == NULL) continue; | 
|  |  | 
|  | #if CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | const int ref_order_hint = buf->display_order_hint; | 
|  | #else | 
|  | const int ref_order_hint = buf->order_hint; | 
|  | #endif  // CONFIG_EXPLICIT_TEMPORAL_DIST_CALC | 
|  | if ((ref_order_hints[0] != -1 && | 
|  | get_relative_dist(order_hint_info, ref_order_hint, | 
|  | ref_order_hints[0]) < 0) && | 
|  | (ref_order_hints[1] == -1 || | 
|  | get_relative_dist(order_hint_info, ref_order_hint, | 
|  | ref_order_hints[1]) > 0)) { | 
|  | // Second closest forward reference | 
|  | ref_order_hints[1] = ref_order_hint; | 
|  | ref_idx[1] = i; | 
|  | } | 
|  | } | 
|  | if (ref_order_hints[1] != -1) { | 
|  | skip_mode_info->skip_mode_allowed = 1; | 
|  | #if CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | skip_mode_info->ref_frame_idx_0 = ref_idx[0]; | 
|  | skip_mode_info->ref_frame_idx_1 = ref_idx[1]; | 
|  | #else | 
|  | skip_mode_info->ref_frame_idx_0 = AOMMIN(ref_idx[0], ref_idx[1]); | 
|  | skip_mode_info->ref_frame_idx_1 = AOMMAX(ref_idx[0], ref_idx[1]); | 
|  | #endif  // CONFIG_SKIP_MODE_ENHANCEMENT | 
|  | } | 
|  | } | 
|  | #endif  // CONFIG_SAME_REF_COMPOUND | 
|  | } | 
|  |  | 
|  | #if CONFIG_BANK_IMPROVE | 
|  | #define SB_TO_RMB_UNITS_LOG2 3 | 
|  | #define SB_TO_RMB_UNITS (1 << SB_TO_RMB_UNITS_LOG2) | 
|  | #define BANK_1ST_UNIT_UPDATE_COUNT 4 | 
|  | #define BANK_UNIT_MAX_ALLOWED_LEFTOVER_UPDATES 16 | 
|  |  | 
|  | // Divide SB into 64 units, and each unit has one hit. Thus, in worst case, | 
|  | // one SB has 64 hits as defined in MAX_RMB_SB_HITS. | 
|  | // If SB size is 128x128, then each unit size is (128/8)x(128/8)=16x16 | 
|  | // If SB size is 256x256, then each unit size is (256/8)x(256/8)=32x32 | 
|  |  | 
|  | void decide_rmb_unit_update_count(const AV1_COMMON *const cm, | 
|  | MACROBLOCKD *const xd, | 
|  | const MB_MODE_INFO *const mbmi) { | 
|  | if (!cm->seq_params.enable_refmvbank) return; | 
|  | if (xd->tree_type == CHROMA_PART) return; | 
|  | const int mi_sb_size = cm->mib_size; | 
|  | const int mi_sb_size_log2 = cm->mib_size_log2; | 
|  | const int mi_row_in_sb = xd->mi_row % mi_sb_size; | 
|  | const int mi_col_in_sb = xd->mi_col % mi_sb_size; | 
|  | const int rmb_unit_mi_size_log2 = mi_sb_size_log2 - SB_TO_RMB_UNITS_LOG2; | 
|  | const int rmb_unit_mi_size = (1 << rmb_unit_mi_size_log2); | 
|  |  | 
|  | BLOCK_SIZE bsize = mbmi->sb_type[PLANE_TYPE_Y]; | 
|  | const int mi_bw = mi_size_wide[bsize]; | 
|  | const int mi_bh = mi_size_high[bsize]; | 
|  | const int rmb_units_count = AOMMAX(mi_bw >> rmb_unit_mi_size_log2, 1) * | 
|  | AOMMAX(mi_bh >> rmb_unit_mi_size_log2, 1); | 
|  | if (mi_row_in_sb == 0 && mi_col_in_sb == 0) { | 
|  | xd->ref_mv_bank.remain_hits = | 
|  | AOMMAX(rmb_units_count, BANK_1ST_UNIT_UPDATE_COUNT); | 
|  | xd->ref_mv_bank.rmb_unit_hits = 0; | 
|  | } else if (((mi_row_in_sb % rmb_unit_mi_size) == 0) && | 
|  | ((mi_col_in_sb % rmb_unit_mi_size) == 0)) { | 
|  | xd->ref_mv_bank.remain_hits += rmb_units_count; | 
|  | xd->ref_mv_bank.rmb_unit_hits = 0; | 
|  | } | 
|  | } | 
|  | #endif  // CONFIG_BANK_IMPROVE | 
|  |  | 
|  | static INLINE void update_ref_mv_bank( | 
|  | #if CONFIG_BANK_IMPROVE | 
|  | const AV1_COMMON *const cm, MACROBLOCKD *const xd, int from_within_sb, | 
|  | #endif  // CONFIG_BANK_IMPROVE | 
|  | const MB_MODE_INFO *const mbmi, REF_MV_BANK *ref_mv_bank) { | 
|  | #if CONFIG_BANK_IMPROVE | 
|  | if (from_within_sb) { | 
|  | decide_rmb_unit_update_count(cm, xd, mbmi); | 
|  |  | 
|  | if (ref_mv_bank->remain_hits == 0 || | 
|  | ref_mv_bank->rmb_unit_hits >= BANK_UNIT_MAX_ALLOWED_LEFTOVER_UPDATES || | 
|  | ref_mv_bank->rmb_sb_hits >= MAX_RMB_SB_HITS) { | 
|  | return; | 
|  | } | 
|  |  | 
|  | ref_mv_bank->remain_hits--; | 
|  | ref_mv_bank->rmb_unit_hits++; | 
|  | } else { | 
|  | // If max hits have been reached return. | 
|  | if (ref_mv_bank->rmb_sb_hits >= MAX_RMB_SB_HITS) return; | 
|  | } | 
|  | #else | 
|  | // If max hits have been reached return. | 
|  | if (ref_mv_bank->rmb_sb_hits >= MAX_RMB_SB_HITS) return; | 
|  | #endif  // CONFIG_BANK_IMPROVE | 
|  | // else increment count and proceed with updating. | 
|  | ++ref_mv_bank->rmb_sb_hits; | 
|  |  | 
|  | const MV_REFERENCE_FRAME ref_frame = av1_ref_frame_type(mbmi->ref_frame); | 
|  | #if CONFIG_LC_REF_MV_BANK | 
|  | const int rmb_list_index = get_rmb_list_index(ref_frame); | 
|  | #else | 
|  | const int rmb_list_index = ref_frame; | 
|  | #endif  // CONFIG_LC_REF_MV_BANK | 
|  | CANDIDATE_MV *queue = ref_mv_bank->rmb_buffer[rmb_list_index]; | 
|  | #if CONFIG_LC_REF_MV_BANK | 
|  | MV_REFERENCE_FRAME *rmb_ref_frame = ref_mv_bank->rmb_ref_frame; | 
|  | #endif  // CONFIG_LC_REF_MV_BANK | 
|  | const int is_comp = has_second_ref(mbmi); | 
|  | const int start_idx = ref_mv_bank->rmb_start_idx[rmb_list_index]; | 
|  | const int count = ref_mv_bank->rmb_count[rmb_list_index]; | 
|  | int found = -1; | 
|  |  | 
|  | // Check if current MV is already existing in the buffer. | 
|  | for (int i = 0; i < count; ++i) { | 
|  | const int idx = (start_idx + i) % REF_MV_BANK_SIZE; | 
|  | if ( | 
|  | #if CONFIG_LC_REF_MV_BANK | 
|  | (rmb_list_index != REF_MV_BANK_LIST_FOR_ALL_OTHERS || | 
|  | rmb_ref_frame[idx] == ref_frame) && | 
|  | #endif  // CONFIG_LC_REF_MV_BANK | 
|  | mbmi->mv[0].as_int == queue[idx].this_mv.as_int && | 
|  | (!is_comp || mbmi->mv[1].as_int == queue[idx].comp_mv.as_int)) { | 
|  | found = i; | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | // If current MV is found in the buffer, move it to the end of the buffer. | 
|  | if (found >= 0) { | 
|  | const int idx = (start_idx + found) % REF_MV_BANK_SIZE; | 
|  | const CANDIDATE_MV cand = queue[idx]; | 
|  | for (int i = found; i < count - 1; ++i) { | 
|  | const int idx0 = (start_idx + i) % REF_MV_BANK_SIZE; | 
|  | const int idx1 = (start_idx + i + 1) % REF_MV_BANK_SIZE; | 
|  | queue[idx0] = queue[idx1]; | 
|  | #if CONFIG_LC_REF_MV_BANK | 
|  | if (rmb_list_index == REF_MV_BANK_LIST_FOR_ALL_OTHERS) { | 
|  | rmb_ref_frame[idx0] = rmb_ref_frame[idx1]; | 
|  | } | 
|  | #endif  // CONFIG_LC_REF_MV_BANK | 
|  | } | 
|  | const int tail = (start_idx + count - 1) % REF_MV_BANK_SIZE; | 
|  | queue[tail] = cand; | 
|  | #if CONFIG_LC_REF_MV_BANK | 
|  | if (rmb_list_index == REF_MV_BANK_LIST_FOR_ALL_OTHERS) { | 
|  | rmb_ref_frame[tail] = ref_frame; | 
|  | } | 
|  | #endif  // CONFIG_LC_REF_MV_BANK | 
|  | return; | 
|  | } | 
|  |  | 
|  | // If current MV is not found in the buffer, append it to the end of the | 
|  | // buffer, and update the count and start_idx accordingly. | 
|  | const int idx = (start_idx + count) % REF_MV_BANK_SIZE; | 
|  | queue[idx].this_mv = mbmi->mv[0]; | 
|  | if (is_comp) queue[idx].comp_mv = mbmi->mv[1]; | 
|  | #if CONFIG_LC_REF_MV_BANK | 
|  | if (rmb_list_index == REF_MV_BANK_LIST_FOR_ALL_OTHERS) { | 
|  | rmb_ref_frame[idx] = ref_frame; | 
|  | } | 
|  | #endif  // CONFIG_LC_REF_MV_BANK | 
|  | queue[idx].cwp_idx = mbmi->cwp_idx; | 
|  | if (count < REF_MV_BANK_SIZE) { | 
|  | ++ref_mv_bank->rmb_count[rmb_list_index]; | 
|  | } else { | 
|  | ++ref_mv_bank->rmb_start_idx[rmb_list_index]; | 
|  | } | 
|  | } | 
|  |  | 
|  | void av1_update_ref_mv_bank(const AV1_COMMON *const cm, MACROBLOCKD *const xd, | 
|  | #if CONFIG_BANK_IMPROVE | 
|  | int from_within_sb, | 
|  | #endif  // CONFIG_BANK_IMPROVE | 
|  | const MB_MODE_INFO *const mbmi) { | 
|  | update_ref_mv_bank( | 
|  | #if CONFIG_BANK_IMPROVE | 
|  | cm, xd, from_within_sb, | 
|  | #endif  // CONFIG_BANK_IMPROVE | 
|  | mbmi, &xd->ref_mv_bank); | 
|  | (void)cm; | 
|  | } | 
|  |  | 
|  | #if CONFIG_C071_SUBBLK_WARPMV | 
|  | void assign_warpmv(const AV1_COMMON *cm, SUBMB_INFO **submi, BLOCK_SIZE bsize, | 
|  | WarpedMotionParams *wm_params, int mi_row, int mi_col | 
|  | #if CONFIG_COMPOUND_WARP_CAUSAL | 
|  | , | 
|  | int ref | 
|  | #endif  // CONFIG_COMPOUND_WARP_CAUSAL | 
|  | ) { | 
|  | assert(wm_params->invalid == 0); | 
|  | const int bw = mi_size_wide[bsize]; | 
|  | const int bh = mi_size_high[bsize]; | 
|  | const int p_x_mis = AOMMIN(bw, cm->mi_params.mi_cols - mi_col) * MI_SIZE; | 
|  | const int p_y_mis = AOMMIN(bh, cm->mi_params.mi_rows - mi_row) * MI_SIZE; | 
|  | const int p_row = mi_row * MI_SIZE; | 
|  | const int p_col = mi_col * MI_SIZE; | 
|  | const int mi_stride = cm->mi_params.mi_stride; | 
|  | for (int i = p_row; i < p_row + p_y_mis; i += 8) { | 
|  | for (int j = p_col; j < p_col + p_x_mis; j += 8) { | 
|  | const int32_t src_x = j + 4; | 
|  | const int32_t src_y = i + 4; | 
|  |  | 
|  | const int32_t submv_x_hp = get_subblk_offset_x_hp( | 
|  | wm_params->wmmat, src_x, src_y, 1 << WARPEDMODEL_PREC_BITS); | 
|  | const int32_t submv_y_hp = get_subblk_offset_y_hp( | 
|  | wm_params->wmmat, src_x, src_y, 1 << WARPEDMODEL_PREC_BITS); | 
|  |  | 
|  | int mi_y = (i - p_row) / MI_SIZE; | 
|  | int mi_x = (j - p_col) / MI_SIZE; | 
|  | const int mv_row = | 
|  | ROUND_POWER_OF_TWO_SIGNED(submv_y_hp, WARPEDMODEL_PREC_BITS - 3); | 
|  | const int mv_col = | 
|  | ROUND_POWER_OF_TWO_SIGNED(submv_x_hp, WARPEDMODEL_PREC_BITS - 3); | 
|  | #if CONFIG_COMPOUND_WARP_CAUSAL | 
|  | submi[mi_y * mi_stride + mi_x]->mv[ref].as_mv.row = | 
|  | #else | 
|  | submi[mi_y * mi_stride + mi_x]->mv[0].as_mv.row = | 
|  | #endif  // CONFIG_COMPOUND_WARP_CAUSAL | 
|  | clamp(mv_row, MV_LOW + 1, MV_UPP - 1); | 
|  | #if CONFIG_COMPOUND_WARP_CAUSAL | 
|  | submi[mi_y * mi_stride + mi_x]->mv[ref].as_mv.col = | 
|  | #else | 
|  | submi[mi_y * mi_stride + mi_x]->mv[0].as_mv.col = | 
|  | #endif  // CONFIG_COMPOUND_WARP_CAUSAL | 
|  | clamp(mv_col, MV_LOW + 1, MV_UPP - 1); | 
|  |  | 
|  | span_submv(cm, (submi + mi_y * mi_stride + mi_x), mi_row + mi_y, | 
|  | mi_col + mi_x, BLOCK_8X8 | 
|  | #if CONFIG_COMPOUND_WARP_CAUSAL | 
|  | , | 
|  | ref | 
|  | #endif  // CONFIG_COMPOUND_WARP_CAUSAL | 
|  | ); | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | void span_submv(const AV1_COMMON *cm, SUBMB_INFO **submi, int mi_row, | 
|  | int mi_col, BLOCK_SIZE bsize | 
|  | #if CONFIG_COMPOUND_WARP_CAUSAL | 
|  | , | 
|  | int ref | 
|  | #endif  // CONFIG_COMPOUND_WARP_CAUSAL | 
|  | ) { | 
|  | const int bw = mi_size_wide[bsize]; | 
|  | const int bh = mi_size_high[bsize]; | 
|  | const int x_inside_boundary = AOMMIN(bw, cm->mi_params.mi_cols - mi_col); | 
|  | const int y_inside_boundary = AOMMIN(bh, cm->mi_params.mi_rows - mi_row); | 
|  | const int stride = cm->mi_params.mi_stride; | 
|  | for (int y = 0; y < y_inside_boundary; y++) { | 
|  | for (int x = 0; x < x_inside_boundary; x++) { | 
|  | if (x == 0 && y == 0) continue; | 
|  | #if CONFIG_COMPOUND_WARP_CAUSAL | 
|  | submi[y * stride + x]->mv[ref] = submi[0]->mv[ref]; | 
|  | #else | 
|  | submi[y * stride + x]->mv[0] = submi[0]->mv[0]; | 
|  | submi[y * stride + x]->mv[1] = submi[0]->mv[1]; | 
|  | #endif  // CONFIG_COMPOUND_WARP_CAUSAL | 
|  | } | 
|  | } | 
|  | } | 
|  | #endif  // CONFIG_C071_SUBBLK_WARPMV | 
|  |  | 
|  | #define MAX_WARP_SB_HITS 64 | 
|  | // Update the warp parameter bank | 
|  | //  If the warp parameters are already exist in the bank, then bank is | 
|  | //  rearranged If the warp parameters are not in the bank, insert it to the | 
|  | //  bank. | 
|  | static INLINE void update_warp_param_bank(const MB_MODE_INFO *const mbmi, | 
|  | WARP_PARAM_BANK *warp_param_bank) { | 
|  | #if CONFIG_COMPOUND_WARP_CAUSAL | 
|  | for (int ref_idx = 0; ref_idx < 1 + is_inter_compound_mode(mbmi->mode); | 
|  | ref_idx++) { | 
|  | if (!mbmi->wm_params[ref_idx].invalid) { | 
|  | const MV_REFERENCE_FRAME ref_frame = mbmi->ref_frame[ref_idx]; | 
|  | #else | 
|  | if (mbmi->wm_params[0].invalid) return; | 
|  | const MV_REFERENCE_FRAME ref_frame = av1_ref_frame_type(mbmi->ref_frame); | 
|  | #endif  // CONFIG_COMPOUND_WARP_CAUSAL | 
|  | WarpedMotionParams *queue = warp_param_bank->wpb_buffer[ref_frame]; | 
|  | const int start_idx = warp_param_bank->wpb_start_idx[ref_frame]; | 
|  | const int count = warp_param_bank->wpb_count[ref_frame]; | 
|  | int found = -1; | 
|  |  | 
|  | // If max hits have been reached return. | 
|  | if (warp_param_bank->wpb_sb_hits >= MAX_WARP_SB_HITS) return; | 
|  | // else increment count and proceed with updating. | 
|  | ++warp_param_bank->wpb_sb_hits; | 
|  |  | 
|  | // Check if current warp parameters is already existing in the buffer. | 
|  | for (int i = 0; i < count; ++i) { | 
|  | const int idx = (start_idx + i) % WARP_PARAM_BANK_SIZE; | 
|  | #if CONFIG_COMPOUND_WARP_CAUSAL | 
|  | int same_param = | 
|  | (mbmi->wm_params[ref_idx].wmmat[2] == queue[idx].wmmat[2]); | 
|  | same_param &= | 
|  | (mbmi->wm_params[ref_idx].wmmat[3] == queue[idx].wmmat[3]); | 
|  |  | 
|  | same_param &= | 
|  | (mbmi->wm_params[ref_idx].wmmat[4] == queue[idx].wmmat[4]); | 
|  | same_param &= | 
|  | (mbmi->wm_params[ref_idx].wmmat[5] == queue[idx].wmmat[5]); | 
|  |  | 
|  | same_param &= (mbmi->wm_params[ref_idx].wmtype == queue[idx].wmtype); | 
|  | #else | 
|  | int same_param = (mbmi->wm_params[0].wmmat[2] == queue[idx].wmmat[2]); | 
|  | same_param &= (mbmi->wm_params[0].wmmat[3] == queue[idx].wmmat[3]); | 
|  |  | 
|  | same_param &= (mbmi->wm_params[0].wmmat[4] == queue[idx].wmmat[4]); | 
|  | same_param &= (mbmi->wm_params[0].wmmat[5] == queue[idx].wmmat[5]); | 
|  |  | 
|  | same_param &= (mbmi->wm_params[0].wmtype == queue[idx].wmtype); | 
|  | #endif  // CONFIG_COMPOUND_WARP_CAUSAL | 
|  |  | 
|  | if (same_param) { | 
|  | found = i; | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | // If current warp parameters is found in the buffer, move it to the end | 
|  | // of the buffer. | 
|  | if (found >= 0) { | 
|  | const int idx = (start_idx + found) % WARP_PARAM_BANK_SIZE; | 
|  | const WarpedMotionParams cand = queue[idx]; | 
|  | for (int i = found; i < count - 1; ++i) { | 
|  | const int idx0 = (start_idx + i) % WARP_PARAM_BANK_SIZE; | 
|  | const int idx1 = (start_idx + i + 1) % WARP_PARAM_BANK_SIZE; | 
|  | queue[idx0] = queue[idx1]; | 
|  | } | 
|  | const int tail = (start_idx + count - 1) % WARP_PARAM_BANK_SIZE; | 
|  | queue[tail] = cand; | 
|  | return; | 
|  | } | 
|  |  | 
|  | // If current warp parameter is not found in the buffer, append it to the | 
|  | // end of the buffer, and update the count and start_idx accordingly. | 
|  | const int idx = (start_idx + count) % WARP_PARAM_BANK_SIZE; | 
|  | #if CONFIG_COMPOUND_WARP_CAUSAL | 
|  | queue[idx].wmtype = mbmi->wm_params[ref_idx].wmtype; | 
|  | queue[idx].wmmat[0] = mbmi->wm_params[ref_idx].wmmat[0]; | 
|  | queue[idx].wmmat[1] = mbmi->wm_params[ref_idx].wmmat[1]; | 
|  | queue[idx].wmmat[2] = mbmi->wm_params[ref_idx].wmmat[2]; | 
|  | queue[idx].wmmat[3] = mbmi->wm_params[ref_idx].wmmat[3]; | 
|  | queue[idx].wmmat[4] = mbmi->wm_params[ref_idx].wmmat[4]; | 
|  | queue[idx].wmmat[5] = mbmi->wm_params[ref_idx].wmmat[5]; | 
|  | #else | 
|  | queue[idx].wmtype = mbmi->wm_params[0].wmtype; | 
|  | queue[idx].wmmat[0] = mbmi->wm_params[0].wmmat[0]; | 
|  | queue[idx].wmmat[1] = mbmi->wm_params[0].wmmat[1]; | 
|  | queue[idx].wmmat[2] = mbmi->wm_params[0].wmmat[2]; | 
|  | queue[idx].wmmat[3] = mbmi->wm_params[0].wmmat[3]; | 
|  | queue[idx].wmmat[4] = mbmi->wm_params[0].wmmat[4]; | 
|  | queue[idx].wmmat[5] = mbmi->wm_params[0].wmmat[5]; | 
|  | #endif  // CONFIG_COMPOUND_WARP_CAUSAL | 
|  |  | 
|  | if (count < WARP_PARAM_BANK_SIZE) { | 
|  | ++warp_param_bank->wpb_count[ref_frame]; | 
|  | } else { | 
|  | ++warp_param_bank->wpb_start_idx[ref_frame]; | 
|  | } | 
|  | #if CONFIG_COMPOUND_WARP_CAUSAL | 
|  | } | 
|  | } | 
|  | #endif  // CONFIG_COMPOUND_WARP_CAUSAL | 
|  | } | 
|  | void av1_update_warp_param_bank(const AV1_COMMON *const cm, | 
|  | MACROBLOCKD *const xd, | 
|  | const MB_MODE_INFO *const mbmi) { | 
|  | (void)cm; | 
|  | if (is_warp_mode(mbmi->motion_mode)) { | 
|  | update_warp_param_bank(mbmi, &xd->warp_param_bank); | 
|  | } | 
|  | } | 
|  |  | 
|  | // The wrl_list is the warp reference list which is already generated in the | 
|  | // av1_find_mv_refs | 
|  |  | 
|  | // If the mode is not equal to the GLOBALMV mode, wrl_list is copied to the | 
|  | // warp_param_stack | 
|  | void av1_find_warp_delta_base_candidates( | 
|  | const MACROBLOCKD *xd, const MB_MODE_INFO *mbmi, | 
|  | WARP_CANDIDATE warp_param_stack[MAX_WARP_REF_CANDIDATES], | 
|  | WARP_CANDIDATE wrl_list[MAX_WARP_REF_CANDIDATES], uint8_t num_wrl_cand, | 
|  | uint8_t *p_valid_num_candidates) { | 
|  | // Global MV mode insert the global motion | 
|  | if (mbmi->mode == GLOBALMV) { | 
|  | warp_param_stack[0].wm_params = xd->global_motion[mbmi->ref_frame[0]]; | 
|  | warp_param_stack[0].proj_type = PROJ_GLOBAL_MOTION; | 
|  | if (p_valid_num_candidates) { | 
|  | *p_valid_num_candidates = 1; | 
|  | } | 
|  | return; | 
|  | } | 
|  |  | 
|  | // Copy the entire wrl_list where all candidates have been properly defined. | 
|  | // Note that the first num_wrl_cand have been filled, and the rest have been | 
|  | // initialized as default_warp_params. | 
|  | memcpy(&warp_param_stack[0], &wrl_list[0], | 
|  | MAX_WARP_REF_CANDIDATES * sizeof(wrl_list[0])); | 
|  | if (p_valid_num_candidates) { | 
|  | // for NEARMV mode, the maximum number of candidates is 1 | 
|  | *p_valid_num_candidates = (mbmi->mode == NEARMV | 
|  | #if !CONFIG_INTER_MODE_CONSOLIDATION | 
|  | || mbmi->mode == AMVDNEWMV | 
|  | #endif  //! CONFIG_INTER_MODE_CONSOLIDATION | 
|  | ) | 
|  | ? 1 | 
|  | : num_wrl_cand; | 
|  | } | 
|  | } | 
|  |  | 
|  | // check if the the derive MV is inside of frame boundary | 
|  | // return false if the MV is outside of the frame boundary | 
|  | bool is_warp_candidate_inside_of_frame(const AV1_COMMON *cm, | 
|  | const MACROBLOCKD *xd, int_mv cand_mv) { | 
|  | // Check if the MV candidate is pointing to ref block inside frame boundary. | 
|  |  | 
|  | const int block_width = xd->width * MI_SIZE; | 
|  | const int block_height = xd->height * MI_SIZE; | 
|  | int frame_width = cm->width; | 
|  | int frame_height = cm->height; | 
|  |  | 
|  | const int mv_row = (cand_mv.as_mv.row) / 8; | 
|  | const int mv_col = (cand_mv.as_mv.col) / 8; | 
|  | const int ref_x = xd->mi_col * MI_SIZE + mv_col; | 
|  | const int ref_y = xd->mi_row * MI_SIZE + mv_row; | 
|  | if (ref_x <= -block_width || ref_y <= -block_height || ref_x >= frame_width || | 
|  | ref_y >= frame_height) { | 
|  | return false; | 
|  | } | 
|  | return true; | 
|  | } | 
|  |  | 
|  | static int is_same_ref_frame(const MB_MODE_INFO *neighbor_mi, | 
|  | const MB_MODE_INFO *mbmi) { | 
|  | return (is_inter_ref_frame(neighbor_mi->ref_frame[0]) && | 
|  | neighbor_mi->ref_frame[0] == mbmi->ref_frame[0]) || | 
|  | (is_inter_ref_frame(neighbor_mi->ref_frame[1]) && | 
|  | neighbor_mi->ref_frame[1] == mbmi->ref_frame[0]); | 
|  | } | 
|  |  | 
|  | int allow_extend_nb(const AV1_COMMON *cm, const MACROBLOCKD *xd, | 
|  | const MB_MODE_INFO *mbmi, int *p_num_of_warp_neighbors) { | 
|  | const TileInfo *const tile = &xd->tile; | 
|  |  | 
|  | #if !CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | const int has_tr = has_top_right(cm, xd, xd->mi_row, xd->mi_col, xd->width); | 
|  | #endif  // !CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | const int has_bl = | 
|  | has_bottom_left(cm, xd, xd->mi_row, xd->mi_col, xd->height); | 
|  | POSITION mi_pos; | 
|  |  | 
|  | int allow_new_ext = 0; | 
|  | int allow_near_ext = 0; | 
|  |  | 
|  | #if CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | MVP_UNIT_STATUS row_smvp_state[4] = { 0 }; | 
|  | get_row_smvp_states(cm, xd, row_smvp_state); | 
|  | #endif  // CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  |  | 
|  | // counter to count number of warp neighbors | 
|  | int num_of_warp_neighbors = 0; | 
|  |  | 
|  | // left | 
|  | mi_pos.row = xd->height - 1; | 
|  | mi_pos.col = -1; | 
|  | if (is_inside(tile, xd->mi_col, xd->mi_row, &mi_pos) && xd->left_available) { | 
|  | const MB_MODE_INFO *neighbor_mi = | 
|  | xd->mi[mi_pos.row * xd->mi_stride + mi_pos.col]; | 
|  | if ( | 
|  | #if CONFIG_SKIP_MODE_PARSING_DEPENDENCY_REMOVAL | 
|  | neighbor_mi->skip_mode == 0 && | 
|  | #endif  // CONFIG_SKIP_MODE_PARSING_DEPENDENCY_REMOVAL | 
|  | is_same_ref_frame(neighbor_mi, mbmi)) { | 
|  | allow_new_ext |= 1; | 
|  | allow_near_ext |= is_warp_mode(neighbor_mi->motion_mode); | 
|  | if (p_num_of_warp_neighbors && is_warp_mode(neighbor_mi->motion_mode)) | 
|  | num_of_warp_neighbors++; | 
|  | } | 
|  | } | 
|  |  | 
|  | // up | 
|  | #if CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | mi_pos.row = row_smvp_state[0].row_offset; | 
|  | mi_pos.col = row_smvp_state[0].col_offset; | 
|  | if (is_inside(tile, xd->mi_col, xd->mi_row, &mi_pos) && | 
|  | row_smvp_state[0].is_available) { | 
|  | #else | 
|  | mi_pos.row = -1; | 
|  | mi_pos.col = xd->width - 1; | 
|  | if (is_inside(tile, xd->mi_col, xd->mi_row, &mi_pos) && xd->up_available) { | 
|  | #endif  // CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | const MB_MODE_INFO *neighbor_mi = | 
|  | xd->mi[mi_pos.row * xd->mi_stride + mi_pos.col]; | 
|  | if ( | 
|  | #if CONFIG_SKIP_MODE_PARSING_DEPENDENCY_REMOVAL | 
|  | neighbor_mi->skip_mode == 0 && | 
|  | #endif  // CONFIG_SKIP_MODE_PARSING_DEPENDENCY_REMOVAL | 
|  | is_same_ref_frame(neighbor_mi, mbmi)) { | 
|  | allow_new_ext |= 1; | 
|  | allow_near_ext |= is_warp_mode(neighbor_mi->motion_mode); | 
|  | if (p_num_of_warp_neighbors && is_warp_mode(neighbor_mi->motion_mode)) | 
|  | num_of_warp_neighbors++; | 
|  | } | 
|  | } | 
|  |  | 
|  | // left | 
|  | mi_pos.row = 0; | 
|  | mi_pos.col = -1; | 
|  | if (is_inside(tile, xd->mi_col, xd->mi_row, &mi_pos) && xd->left_available) { | 
|  | const MB_MODE_INFO *neighbor_mi = | 
|  | xd->mi[mi_pos.row * xd->mi_stride + mi_pos.col]; | 
|  | if ( | 
|  | #if CONFIG_SKIP_MODE_PARSING_DEPENDENCY_REMOVAL | 
|  | neighbor_mi->skip_mode == 0 && | 
|  | #endif  // CONFIG_SKIP_MODE_PARSING_DEPENDENCY_REMOVAL | 
|  | is_same_ref_frame(neighbor_mi, mbmi)) { | 
|  | allow_new_ext |= 1; | 
|  | allow_near_ext |= is_warp_mode(neighbor_mi->motion_mode); | 
|  | if (p_num_of_warp_neighbors && is_warp_mode(neighbor_mi->motion_mode)) | 
|  | num_of_warp_neighbors++; | 
|  | } | 
|  | } | 
|  |  | 
|  | // up | 
|  | #if CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | mi_pos.row = row_smvp_state[1].row_offset; | 
|  | mi_pos.col = row_smvp_state[1].col_offset; | 
|  | if (is_inside(tile, xd->mi_col, xd->mi_row, &mi_pos) && | 
|  | row_smvp_state[1].is_available) { | 
|  | #else | 
|  | mi_pos.row = -1; | 
|  | mi_pos.col = 0; | 
|  | if (is_inside(tile, xd->mi_col, xd->mi_row, &mi_pos) && xd->up_available) { | 
|  | #endif  // CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | const MB_MODE_INFO *neighbor_mi = | 
|  | xd->mi[mi_pos.row * xd->mi_stride + mi_pos.col]; | 
|  | if ( | 
|  | #if CONFIG_SKIP_MODE_PARSING_DEPENDENCY_REMOVAL | 
|  | neighbor_mi->skip_mode == 0 && | 
|  | #endif  // CONFIG_SKIP_MODE_PARSING_DEPENDENCY_REMOVAL | 
|  | is_same_ref_frame(neighbor_mi, mbmi)) { | 
|  | allow_new_ext |= 1; | 
|  | allow_near_ext |= is_warp_mode(neighbor_mi->motion_mode); | 
|  | if (p_num_of_warp_neighbors && is_warp_mode(neighbor_mi->motion_mode)) | 
|  | num_of_warp_neighbors++; | 
|  | } | 
|  | } | 
|  |  | 
|  | mi_pos.row = xd->height; | 
|  | mi_pos.col = -1; | 
|  | if (is_inside(tile, xd->mi_col, xd->mi_row, &mi_pos) && has_bl) { | 
|  | const MB_MODE_INFO *neighbor_mi = | 
|  | xd->mi[mi_pos.row * xd->mi_stride + mi_pos.col]; | 
|  | if ( | 
|  | #if CONFIG_SKIP_MODE_PARSING_DEPENDENCY_REMOVAL | 
|  | neighbor_mi->skip_mode == 0 && | 
|  | #endif  // CONFIG_SKIP_MODE_PARSING_DEPENDENCY_REMOVAL | 
|  | is_same_ref_frame(neighbor_mi, mbmi)) { | 
|  | allow_new_ext |= 1; | 
|  | allow_near_ext |= is_warp_mode(neighbor_mi->motion_mode); | 
|  | if (p_num_of_warp_neighbors && is_warp_mode(neighbor_mi->motion_mode)) | 
|  | num_of_warp_neighbors++; | 
|  | } | 
|  | } | 
|  |  | 
|  | #if CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | mi_pos.row = row_smvp_state[2].row_offset; | 
|  | mi_pos.col = row_smvp_state[2].col_offset; | 
|  | if (is_inside(tile, xd->mi_col, xd->mi_row, &mi_pos) && | 
|  | row_smvp_state[2].is_available) { | 
|  | #else | 
|  | mi_pos.row = -1; | 
|  | mi_pos.col = xd->width; | 
|  | if (is_inside(tile, xd->mi_col, xd->mi_row, &mi_pos) && has_tr) { | 
|  | #endif  // CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | const MB_MODE_INFO *neighbor_mi = | 
|  | xd->mi[mi_pos.row * xd->mi_stride + mi_pos.col]; | 
|  | if ( | 
|  | #if CONFIG_SKIP_MODE_PARSING_DEPENDENCY_REMOVAL | 
|  | neighbor_mi->skip_mode == 0 && | 
|  | #endif  // CONFIG_SKIP_MODE_PARSING_DEPENDENCY_REMOVAL | 
|  | is_same_ref_frame(neighbor_mi, mbmi)) { | 
|  | allow_new_ext |= 1; | 
|  | allow_near_ext |= is_warp_mode(neighbor_mi->motion_mode); | 
|  | if (p_num_of_warp_neighbors && is_warp_mode(neighbor_mi->motion_mode)) | 
|  | num_of_warp_neighbors++; | 
|  | } | 
|  | } | 
|  |  | 
|  | #if CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | mi_pos.row = row_smvp_state[3].row_offset; | 
|  | mi_pos.col = row_smvp_state[3].col_offset; | 
|  | if (is_inside(tile, xd->mi_col, xd->mi_row, &mi_pos) && | 
|  | row_smvp_state[3].is_available) { | 
|  | #else | 
|  | mi_pos.row = -1; | 
|  | mi_pos.col = -1; | 
|  | if (is_inside(tile, xd->mi_col, xd->mi_row, &mi_pos) && xd->up_available && | 
|  | xd->left_available) { | 
|  | #endif  // CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | const MB_MODE_INFO *neighbor_mi = | 
|  | xd->mi[mi_pos.row * xd->mi_stride + mi_pos.col]; | 
|  | if ( | 
|  | #if CONFIG_SKIP_MODE_PARSING_DEPENDENCY_REMOVAL | 
|  | neighbor_mi->skip_mode == 0 && | 
|  | #endif  // CONFIG_SKIP_MODE_PARSING_DEPENDENCY_REMOVAL | 
|  | is_same_ref_frame(neighbor_mi, mbmi)) { | 
|  | allow_new_ext |= 1; | 
|  | allow_near_ext |= is_warp_mode(neighbor_mi->motion_mode); | 
|  | if (p_num_of_warp_neighbors && is_warp_mode(neighbor_mi->motion_mode)) | 
|  | num_of_warp_neighbors++; | 
|  | } | 
|  | } | 
|  |  | 
|  | #if !CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | mi_pos.row = (xd->height >> 1); | 
|  | mi_pos.col = -1; | 
|  | if (is_inside(tile, xd->mi_col, xd->mi_row, &mi_pos) && xd->left_available) { | 
|  | const MB_MODE_INFO *neighbor_mi = | 
|  | xd->mi[mi_pos.row * xd->mi_stride + mi_pos.col]; | 
|  | if ( | 
|  | #if CONFIG_SKIP_MODE_PARSING_DEPENDENCY_REMOVAL | 
|  | neighbor_mi->skip_mode == 0 && | 
|  | #endif  // CONFIG_SKIP_MODE_PARSING_DEPENDENCY_REMOVAL | 
|  | is_same_ref_frame(neighbor_mi, mbmi)) { | 
|  | allow_new_ext |= 1; | 
|  | allow_near_ext |= is_warp_mode(neighbor_mi->motion_mode); | 
|  | if (p_num_of_warp_neighbors && is_warp_mode(neighbor_mi->motion_mode)) | 
|  | num_of_warp_neighbors++; | 
|  | } | 
|  | } | 
|  |  | 
|  | mi_pos.row = -1; | 
|  | mi_pos.col = (xd->width >> 1); | 
|  | if (is_inside(tile, xd->mi_col, xd->mi_row, &mi_pos) && xd->up_available) { | 
|  | const MB_MODE_INFO *neighbor_mi = | 
|  | xd->mi[mi_pos.row * xd->mi_stride + mi_pos.col]; | 
|  | if ( | 
|  | #if CONFIG_SKIP_MODE_PARSING_DEPENDENCY_REMOVAL | 
|  | neighbor_mi->skip_mode == 0 && | 
|  | #endif  // CONFIG_SKIP_MODE_PARSING_DEPENDENCY_REMOVAL | 
|  |  | 
|  | is_same_ref_frame(neighbor_mi, mbmi)) { | 
|  | allow_new_ext |= 1; | 
|  | allow_near_ext |= is_warp_mode(neighbor_mi->motion_mode); | 
|  | if (p_num_of_warp_neighbors && is_warp_mode(neighbor_mi->motion_mode)) | 
|  | num_of_warp_neighbors++; | 
|  | } | 
|  | } | 
|  | #endif  // !CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  |  | 
|  | if (p_num_of_warp_neighbors) { | 
|  | *p_num_of_warp_neighbors = num_of_warp_neighbors; | 
|  | return num_of_warp_neighbors; | 
|  | } | 
|  |  | 
|  | if (mbmi->mode == NEWMV | 
|  | #if CONFIG_REDESIGN_WARP_MODES_SIGNALING_FLOW | 
|  | || mbmi->mode == WARP_NEWMV | 
|  | #endif  // CONFIG_REDESIGN_WARP_MODES_SIGNALING_FLOW | 
|  | ) { | 
|  | return allow_new_ext; | 
|  | } else if (mbmi->mode == NEARMV) { | 
|  | return allow_near_ext; | 
|  | } else { | 
|  | return 0; | 
|  | } | 
|  | } | 
|  |  | 
|  | #if CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | static AOM_INLINE POSITION get_pos_from_pos_idx(const AV1_COMMON *cm, | 
|  | const MACROBLOCKD *xd, | 
|  | int pos_idx) { | 
|  | MVP_UNIT_STATUS row_smvp_state[4] = { 0 }; | 
|  | if (pos_idx == 2 || pos_idx == 4 || pos_idx == 6 || pos_idx == 7) { | 
|  | get_row_smvp_states(cm, xd, row_smvp_state); | 
|  | } | 
|  |  | 
|  | POSITION ret_pos = { 0, 0 }; | 
|  | // 1/3/5 are left neighbors, 2/4/6/7 are above neighbors | 
|  | if (pos_idx == 5) { | 
|  | ret_pos.row = xd->height; | 
|  | ret_pos.col = -1; | 
|  | } else if (pos_idx == 1) { | 
|  | ret_pos.row = (xd->height - 1); | 
|  | ret_pos.col = -1; | 
|  | } else if (pos_idx == 3) { | 
|  | ret_pos.row = 0; | 
|  | ret_pos.col = -1; | 
|  | } else if (pos_idx == 7) { | 
|  | if (row_smvp_state[3].is_available) { | 
|  | ret_pos.row = -1; | 
|  | ret_pos.col = row_smvp_state[3].col_offset; | 
|  | } | 
|  | } else if (pos_idx == 4) { | 
|  | if (row_smvp_state[1].is_available) { | 
|  | ret_pos.row = -1; | 
|  | ret_pos.col = row_smvp_state[1].col_offset; | 
|  | } | 
|  | } else if (pos_idx == 2) { | 
|  | if (row_smvp_state[0].is_available) { | 
|  | ret_pos.row = -1; | 
|  | ret_pos.col = row_smvp_state[0].col_offset; | 
|  | } | 
|  | } else if (pos_idx == 6) { | 
|  | if (row_smvp_state[2].is_available) { | 
|  | ret_pos.row = -1; | 
|  | ret_pos.col = row_smvp_state[2].col_offset; | 
|  | } | 
|  | } else { | 
|  | assert(0); | 
|  | } | 
|  |  | 
|  | return ret_pos; | 
|  | } | 
|  |  | 
|  | static AOM_INLINE int get_cand_from_pos_idx(const AV1_COMMON *cm, | 
|  | const MACROBLOCKD *xd, | 
|  | int pos_idx) { | 
|  | MVP_UNIT_STATUS row_smvp_state[4] = { 0 }; | 
|  | if (pos_idx == 2 || pos_idx == 4 || pos_idx == 6 || pos_idx == 7) { | 
|  | get_row_smvp_states(cm, xd, row_smvp_state); | 
|  | } | 
|  |  | 
|  | const int has_bl = | 
|  | has_bottom_left(cm, xd, xd->mi_row, xd->mi_col, xd->height); | 
|  |  | 
|  | int ret_cand = 0; | 
|  |  | 
|  | // 1/3/5 are left neighbors, 2/4/6/7 are above neighbors | 
|  | if (pos_idx == 5) { | 
|  | ret_cand = has_bl; | 
|  | } else if (pos_idx == 1) { | 
|  | ret_cand = xd->left_available; | 
|  | } else if (pos_idx == 3) { | 
|  | ret_cand = xd->left_available; | 
|  | } else if (pos_idx == 7) { | 
|  | ret_cand = row_smvp_state[3].is_available; | 
|  | } else if (pos_idx == 4) { | 
|  | ret_cand = row_smvp_state[1].is_available; | 
|  | } else if (pos_idx == 2) { | 
|  | ret_cand = row_smvp_state[0].is_available; | 
|  | } else if (pos_idx == 6) { | 
|  | ret_cand = row_smvp_state[2].is_available; | 
|  | } else { | 
|  | assert(0); | 
|  | } | 
|  |  | 
|  | return ret_cand; | 
|  | } | 
|  | #else | 
|  | static AOM_INLINE POSITION get_pos_from_pos_idx(const MACROBLOCKD *xd, | 
|  | int pos_idx) { | 
|  | POSITION ret_pos = { 0, 0 }; | 
|  | if (pos_idx == 5) { | 
|  | ret_pos.row = xd->height; | 
|  | ret_pos.col = -1; | 
|  | } else if (pos_idx == 1) { | 
|  | ret_pos.row = (xd->height - 1); | 
|  | ret_pos.col = -1; | 
|  | } else if (pos_idx == 8) { | 
|  | ret_pos.row = (xd->height >> 1); | 
|  | ret_pos.col = -1; | 
|  | } else if (pos_idx == 3) { | 
|  | ret_pos.row = 0; | 
|  | ret_pos.col = -1; | 
|  | } else if (pos_idx == 7) { | 
|  | ret_pos.row = -1; | 
|  | ret_pos.col = -1; | 
|  | } else if (pos_idx == 4) { | 
|  | ret_pos.row = -1; | 
|  | ret_pos.col = 0; | 
|  | } else if (pos_idx == 9) { | 
|  | ret_pos.row = -1; | 
|  | ret_pos.col = (xd->width >> 1); | 
|  | } else if (pos_idx == 2) { | 
|  | ret_pos.row = -1; | 
|  | ret_pos.col = (xd->width - 1); | 
|  | } else if (pos_idx == 6) { | 
|  | ret_pos.row = -1; | 
|  | ret_pos.col = xd->width; | 
|  | } else { | 
|  | assert(0); | 
|  | } | 
|  | return ret_pos; | 
|  | } | 
|  |  | 
|  | static AOM_INLINE int get_cand_from_pos_idx(const AV1_COMMON *cm, | 
|  | const MACROBLOCKD *xd, | 
|  | int pos_idx) { | 
|  | const int has_tr = has_top_right(cm, xd, xd->mi_row, xd->mi_col, xd->width); | 
|  | const int has_bl = | 
|  | has_bottom_left(cm, xd, xd->mi_row, xd->mi_col, xd->height); | 
|  |  | 
|  | int ret_cand = 0; | 
|  |  | 
|  | if (pos_idx == 1 || pos_idx == 3 || pos_idx == 8) { | 
|  | ret_cand = xd->left_available; | 
|  | } else if (pos_idx == 2 || pos_idx == 4 || pos_idx == 9) { | 
|  | ret_cand = xd->up_available; | 
|  | } else if (pos_idx == 5) { | 
|  | ret_cand = has_bl; | 
|  | } else if (pos_idx == 6) { | 
|  | ret_cand = has_tr; | 
|  | } else if (pos_idx == 7) { | 
|  | ret_cand = (xd->up_available && xd->left_available); | 
|  | } else { | 
|  | assert(0); | 
|  | } | 
|  | return ret_cand; | 
|  | } | 
|  | #endif  // CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  |  | 
|  | static AOM_INLINE int check_pos_and_get_base_pos(const AV1_COMMON *cm, | 
|  | const MACROBLOCKD *xd, | 
|  | const MB_MODE_INFO *mbmi, | 
|  | POSITION *base_pos, | 
|  | int pos_idx) { | 
|  | const TileInfo *const tile = &xd->tile; | 
|  | POSITION mi_pos = get_pos_from_pos_idx( | 
|  | #if CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | cm, | 
|  | #endif  // CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | xd, pos_idx); | 
|  | if (is_inside(tile, xd->mi_col, xd->mi_row, &mi_pos) && | 
|  | get_cand_from_pos_idx(cm, xd, pos_idx)) { | 
|  | const MB_MODE_INFO *neighbor_mi = | 
|  | xd->mi[mi_pos.row * xd->mi_stride + mi_pos.col]; | 
|  | if (is_same_ref_frame(neighbor_mi, mbmi) | 
|  | #if CONFIG_SKIP_MODE_PARSING_DEPENDENCY_REMOVAL | 
|  | && neighbor_mi->skip_mode == 0 | 
|  | #endif  // CONFIG_SKIP_MODE_PARSING_DEPENDENCY_REMOVAL | 
|  | ) { | 
|  | if ((is_warp_mode(neighbor_mi->motion_mode) && mbmi->mode == NEARMV) || | 
|  | #if CONFIG_REDESIGN_WARP_MODES_SIGNALING_FLOW | 
|  | mbmi->mode == WARP_NEWMV || | 
|  | #endif  // CONFIG_REDESIGN_WARP_MODES_SIGNALING_FLOW | 
|  | mbmi->mode == NEWMV) { | 
|  | base_pos->row = mi_pos.row; | 
|  | base_pos->col = mi_pos.col; | 
|  | return 1; | 
|  | } | 
|  | } | 
|  | } | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | int get_extend_base_pos(const AV1_COMMON *cm, const MACROBLOCKD *xd, | 
|  | const MB_MODE_INFO *mbmi, int mvp_row_offset, | 
|  | int mvp_col_offset, POSITION *base_pos) { | 
|  | if (mvp_col_offset == -1 || mvp_row_offset == -1) { | 
|  | const MB_MODE_INFO *neighbor_mi = | 
|  | xd->mi[mvp_row_offset * xd->mi_stride + mvp_col_offset]; | 
|  | if ((is_warp_mode(neighbor_mi->motion_mode) && mbmi->mode == NEARMV) || | 
|  | #if CONFIG_REDESIGN_WARP_MODES_SIGNALING_FLOW | 
|  | mbmi->mode == WARP_NEWMV || | 
|  | #endif  // CONFIG_REDESIGN_WARP_MODES_SIGNALING_FLOW | 
|  | mbmi->mode == NEWMV) { | 
|  | base_pos->row = mvp_row_offset; | 
|  | base_pos->col = mvp_col_offset; | 
|  | return 1; | 
|  | } | 
|  | } | 
|  |  | 
|  | #if CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | for (int pos_idx = 1; pos_idx <= 7; pos_idx++) { | 
|  | #else | 
|  | for (int pos_idx = 1; pos_idx <= 9; pos_idx++) { | 
|  | #endif  // CONFIG_DRL_WRL_LINE_BUFFER_REDUCTION | 
|  | if (check_pos_and_get_base_pos(cm, xd, mbmi, base_pos, pos_idx)) return 1; | 
|  | } | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | int16_t inter_warpmv_mode_ctx(const AV1_COMMON *cm, const MACROBLOCKD *xd, | 
|  | const MB_MODE_INFO *mbmi) { | 
|  | int num_of_warp_neighbors = 0; | 
|  | int ctx = allow_extend_nb(cm, xd, mbmi, &num_of_warp_neighbors); | 
|  | assert(num_of_warp_neighbors == ctx); | 
|  | assert(ctx < WARPMV_MODE_CONTEXT); | 
|  | return ctx; | 
|  | } |