/****************************************************************************** * * Copyright (C) 2018 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * ***************************************************************************** * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore */ /** ****************************************************************************** * @file hme_subpel.c * * @brief * Fullpel search and refinement * * @author * Ittiam * ****************************************************************************** */ /*****************************************************************************/ /* File Includes */ /*****************************************************************************/ /* System include files */ #include #include #include #include #include #include #include /* User include files */ #include "ihevc_typedefs.h" #include "itt_video_api.h" #include "ihevce_api.h" #include "rc_cntrl_param.h" #include "rc_frame_info_collector.h" #include "rc_look_ahead_params.h" #include "ihevc_defs.h" #include "ihevc_structs.h" #include "ihevc_platform_macros.h" #include "ihevc_deblk.h" #include "ihevc_itrans_recon.h" #include "ihevc_chroma_itrans_recon.h" #include "ihevc_chroma_intra_pred.h" #include "ihevc_intra_pred.h" #include "ihevc_inter_pred.h" #include "ihevc_mem_fns.h" #include "ihevc_padding.h" #include "ihevc_weighted_pred.h" #include "ihevc_sao.h" #include "ihevc_resi_trans.h" #include "ihevc_quant_iquant_ssd.h" #include "ihevc_cabac_tables.h" #include "ihevce_defs.h" #include "ihevce_lap_enc_structs.h" #include "ihevce_multi_thrd_structs.h" #include "ihevce_multi_thrd_funcs.h" #include "ihevce_me_common_defs.h" #include "ihevce_had_satd.h" #include "ihevce_error_codes.h" #include "ihevce_bitstream.h" #include "ihevce_cabac.h" #include "ihevce_rdoq_macros.h" #include "ihevce_function_selector.h" #include "ihevce_enc_structs.h" #include "ihevce_entropy_structs.h" #include "ihevce_cmn_utils_instr_set_router.h" #include "ihevce_enc_loop_structs.h" #include "ihevce_bs_compute_ctb.h" #include "ihevce_global_tables.h" #include "ihevce_dep_mngr_interface.h" #include "hme_datatype.h" #include "hme_interface.h" #include "hme_common_defs.h" #include "hme_defs.h" #include "ihevce_me_instr_set_router.h" #include "hme_globals.h" #include "hme_utils.h" #include "hme_coarse.h" #include "hme_refine.h" #include "hme_err_compute.h" #include "hme_common_utils.h" #include "hme_search_algo.h" #include "ihevce_stasino_helpers.h" /** ******************************************************************************** * @fn hme_fullpel_cand_sifter * * @brief Given a list of search candidates and valid partition types, * this function finds the two best candidates for each partition type. * * @return None ******************************************************************************** */ void hme_fullpel_cand_sifter( hme_search_prms_t *ps_search_prms, layer_ctxt_t *ps_layer_ctxt, wgt_pred_ctxt_t *ps_wt_inp_prms, S32 i4_alpha_stim_multiplier, U08 u1_is_cu_noisy, ihevce_me_optimised_function_list_t *ps_me_optimised_function_list) { S32 i4_i; S16 i2_temp_tot_cost, i2_temp_stim_injected_cost, i2_temp_mv_cost, i2_temp_mv_x, i2_temp_mv_y, i2_temp_ref_idx; fullpel_refine_ctxt_t *ps_fullpel_refine_ctxt = ps_search_prms->ps_fullpel_refine_ctxt; S32 i4_temp_part_mask; ps_search_prms->i4_alpha_stim_multiplier = i4_alpha_stim_multiplier; ps_search_prms->u1_is_cu_noisy = u1_is_cu_noisy; if(u1_is_cu_noisy) { i4_temp_part_mask = ps_search_prms->i4_part_mask; ps_search_prms->i4_part_mask &= ((ENABLE_2Nx2N) | (ENABLE_NxN)); ps_fullpel_refine_ctxt->i4_num_valid_parts = hme_create_valid_part_ids( (ps_search_prms->i4_part_mask) & ((ENABLE_2Nx2N) | (ENABLE_NxN)), &ps_fullpel_refine_ctxt->ai4_part_id[0]); } ps_search_prms->u1_is_cu_noisy = u1_is_cu_noisy; hme_pred_search( ps_search_prms, ps_layer_ctxt, ps_wt_inp_prms, 0, ps_me_optimised_function_list); if(u1_is_cu_noisy) { if(ps_search_prms->ps_search_results->u1_num_results_per_part == 2) { for(i4_i = 0; i4_i < ps_fullpel_refine_ctxt->i4_num_valid_parts; i4_i++) { if(ps_fullpel_refine_ctxt->i2_tot_cost[0][i4_i] > ps_fullpel_refine_ctxt->i2_tot_cost[1][i4_i]) { i2_temp_tot_cost = ps_fullpel_refine_ctxt->i2_tot_cost[0][i4_i]; i2_temp_stim_injected_cost = ps_fullpel_refine_ctxt->i2_stim_injected_cost[0][i4_i]; i2_temp_mv_cost = ps_fullpel_refine_ctxt->i2_mv_cost[0][i4_i]; i2_temp_mv_x = ps_fullpel_refine_ctxt->i2_mv_x[0][i4_i]; i2_temp_mv_y = ps_fullpel_refine_ctxt->i2_mv_y[0][i4_i]; i2_temp_ref_idx = ps_fullpel_refine_ctxt->i2_ref_idx[0][i4_i]; ps_fullpel_refine_ctxt->i2_tot_cost[0][i4_i] = ps_fullpel_refine_ctxt->i2_tot_cost[1][i4_i]; ps_fullpel_refine_ctxt->i2_stim_injected_cost[0][i4_i] = ps_fullpel_refine_ctxt->i2_stim_injected_cost[1][i4_i]; ps_fullpel_refine_ctxt->i2_mv_cost[0][i4_i] = ps_fullpel_refine_ctxt->i2_mv_cost[1][i4_i]; ps_fullpel_refine_ctxt->i2_mv_x[0][i4_i] = ps_fullpel_refine_ctxt->i2_mv_x[1][i4_i]; ps_fullpel_refine_ctxt->i2_mv_y[0][i4_i] = ps_fullpel_refine_ctxt->i2_mv_y[1][i4_i]; ps_fullpel_refine_ctxt->i2_ref_idx[0][i4_i] = ps_fullpel_refine_ctxt->i2_ref_idx[1][i4_i]; ps_fullpel_refine_ctxt->i2_tot_cost[1][i4_i] = i2_temp_tot_cost; ps_fullpel_refine_ctxt->i2_stim_injected_cost[1][i4_i] = i2_temp_stim_injected_cost; ps_fullpel_refine_ctxt->i2_mv_cost[1][i4_i] = i2_temp_mv_cost; ps_fullpel_refine_ctxt->i2_mv_x[1][i4_i] = i2_temp_mv_x; ps_fullpel_refine_ctxt->i2_mv_y[1][i4_i] = i2_temp_mv_y; ps_fullpel_refine_ctxt->i2_ref_idx[1][i4_i] = i2_temp_ref_idx; } } } ps_search_prms->i4_part_mask = i4_temp_part_mask; ps_fullpel_refine_ctxt->i4_num_valid_parts = hme_create_valid_part_ids( ps_search_prms->i4_part_mask, &ps_fullpel_refine_ctxt->ai4_part_id[0]); } } static void hme_add_fpel_refine_candidates_to_search_cand_array( search_node_t *ps_unique_search_nodes, fullpel_refine_ctxt_t *ps_fullpel_refine_ctxt, S32 *pi4_num_unique_nodes, U32 *pu4_unique_node_map, S32 i4_fpel_search_result_id, S32 i4_fpel_search_result_array_index, S32 i4_unique_node_map_center_x, S32 i4_unique_node_map_center_y, S08 i1_unique_node_map_ref_idx, U08 u1_add_refine_grid_center_to_search_cand_array, U08 u1_do_not_check_for_duplicates) { search_node_t s_refine_grid_center; U08 u1_use_hashing, i; S32 i2_mvx = ps_fullpel_refine_ctxt->i2_mv_x[i4_fpel_search_result_id][i4_fpel_search_result_array_index]; S32 i2_mvy = ps_fullpel_refine_ctxt->i2_mv_y[i4_fpel_search_result_id][i4_fpel_search_result_array_index]; S08 i1_ref_idx = ps_fullpel_refine_ctxt ->i2_ref_idx[i4_fpel_search_result_id][i4_fpel_search_result_array_index]; if(!u1_do_not_check_for_duplicates) { s_refine_grid_center.s_mv.i2_mvx = i2_mvx; s_refine_grid_center.s_mv.i2_mvy = i2_mvy; s_refine_grid_center.i1_ref_idx = i1_ref_idx; u1_use_hashing = (s_refine_grid_center.i1_ref_idx == i1_unique_node_map_ref_idx); for(i = 0; i < NUM_POINTS_IN_RECTANGULAR_GRID; i++) { S08 i1_offset_x = gai1_mv_offsets_from_center_in_rect_grid[i][0]; S08 i1_offset_y = gai1_mv_offsets_from_center_in_rect_grid[i][1]; if(i1_offset_x || i1_offset_y) { s_refine_grid_center.s_mv.i2_mvx = i2_mvx + i1_offset_x; s_refine_grid_center.s_mv.i2_mvy = i2_mvy + i1_offset_y; INSERT_NEW_NODE( ps_unique_search_nodes, pi4_num_unique_nodes[0], s_refine_grid_center, 1, pu4_unique_node_map, i4_unique_node_map_center_x, i4_unique_node_map_center_y, u1_use_hashing); } else if(u1_add_refine_grid_center_to_search_cand_array) { s_refine_grid_center.s_mv.i2_mvx = i2_mvx; s_refine_grid_center.s_mv.i2_mvy = i2_mvy; INSERT_NEW_NODE( ps_unique_search_nodes, pi4_num_unique_nodes[0], s_refine_grid_center, 1, pu4_unique_node_map, i4_unique_node_map_center_x, i4_unique_node_map_center_y, 0); } } } else { for(i = 0; i < NUM_POINTS_IN_RECTANGULAR_GRID; i++) { S08 i1_offset_x = gai1_mv_offsets_from_center_in_rect_grid[i][0]; S08 i1_offset_y = gai1_mv_offsets_from_center_in_rect_grid[i][1]; if(i1_offset_x || i1_offset_y) { ps_unique_search_nodes[pi4_num_unique_nodes[0]].s_mv.i2_mvx = i2_mvx + i1_offset_x; ps_unique_search_nodes[pi4_num_unique_nodes[0]].s_mv.i2_mvy = i2_mvy + i1_offset_y; ps_unique_search_nodes[pi4_num_unique_nodes[0]++].i1_ref_idx = i1_ref_idx; } else if(u1_add_refine_grid_center_to_search_cand_array) { ps_unique_search_nodes[pi4_num_unique_nodes[0]].s_mv.i2_mvx = i2_mvx; ps_unique_search_nodes[pi4_num_unique_nodes[0]].s_mv.i2_mvy = i2_mvy; ps_unique_search_nodes[pi4_num_unique_nodes[0]++].i1_ref_idx = i1_ref_idx; } } } } void hme_fullpel_refine( refine_prms_t *ps_refine_prms, hme_search_prms_t *ps_search_prms, layer_ctxt_t *ps_layer_ctxt, wgt_pred_ctxt_t *ps_wt_inp_prms, U32 *pu4_unique_node_map, U08 u1_num_init_search_cands, U08 u1_8x8_blk_mask, S32 i4_unique_node_map_center_x, S32 i4_unique_node_map_center_y, S08 i1_unique_node_map_ref_idx, ME_QUALITY_PRESETS_T e_quality_preset, ihevce_me_optimised_function_list_t *ps_me_optimised_function_list) { S32 i, j; S32 i4_num_results; U08 u1_num_complete_grids = 0; U08 u1_num_grids = 0; fullpel_refine_ctxt_t *ps_fullpel_refine_ctxt = ps_search_prms->ps_fullpel_refine_ctxt; S32 i4_num_unique_nodes = 0; search_node_t *ps_unique_search_nodes = ps_search_prms->ps_search_nodes; if(u1_num_init_search_cands >= 2) { S32 i4_max_num_results = (15 == u1_8x8_blk_mask) ? ps_refine_prms->u1_max_num_fpel_refine_centers : ((ME_XTREME_SPEED_25 == e_quality_preset) ? MAX_NUM_CANDS_FOR_FPEL_REFINE_IN_XS25 : INT_MAX); for(i = 0; i < ps_fullpel_refine_ctxt->i4_num_valid_parts; i++) { S32 i4_part_id; S32 i4_index; i4_part_id = ps_fullpel_refine_ctxt->ai4_part_id[i]; i4_index = (ps_fullpel_refine_ctxt->i4_num_valid_parts > 8) ? i4_part_id : i; i4_num_results = (15 == u1_8x8_blk_mask) ? MIN(ps_search_prms->ps_search_results->u1_num_results_per_part, ps_refine_prms->pu1_num_best_results[i4_part_id]) : ps_search_prms->ps_search_results->u1_num_results_per_part; ASSERT(i4_num_results <= 2); for(j = 0; j < i4_num_results; j++) { if((ps_fullpel_refine_ctxt->i2_ref_idx[j][i4_index] >= 0) && (ps_fullpel_refine_ctxt->i2_mv_x[j][i4_index] != INTRA_MV)) { S32 i4_num_nodes_added = i4_num_unique_nodes; hme_add_fpel_refine_candidates_to_search_cand_array( ps_unique_search_nodes, ps_fullpel_refine_ctxt, &i4_num_unique_nodes, pu4_unique_node_map, j, i4_index, i4_unique_node_map_center_x, i4_unique_node_map_center_y, i1_unique_node_map_ref_idx, 0, 0); i4_num_nodes_added = i4_num_unique_nodes - i4_num_nodes_added; u1_num_complete_grids += (i4_num_nodes_added >= (NUM_POINTS_IN_RECTANGULAR_GRID - 1)); u1_num_grids += (!!i4_num_nodes_added); i4_max_num_results--; } if(i4_max_num_results <= 0) { break; } } if(i4_max_num_results <= 0) { break; } } } else if((1 == u1_num_init_search_cands) && (ps_refine_prms->u1_max_num_fpel_refine_centers >= 1)) { ps_fullpel_refine_ctxt->i2_mv_x[0][0] = ps_unique_search_nodes[0].s_mv.i2_mvx; ps_fullpel_refine_ctxt->i2_mv_y[0][0] = ps_unique_search_nodes[0].s_mv.i2_mvy; ps_fullpel_refine_ctxt->i2_ref_idx[0][0] = ps_unique_search_nodes[0].i1_ref_idx; if((ps_fullpel_refine_ctxt->i2_ref_idx[0][0] >= 0) && (ps_fullpel_refine_ctxt->i2_mv_x[0][0] != INTRA_MV)) { hme_add_fpel_refine_candidates_to_search_cand_array( ps_unique_search_nodes, ps_fullpel_refine_ctxt, &i4_num_unique_nodes, pu4_unique_node_map, 0, 0, i4_unique_node_map_center_x, i4_unique_node_map_center_y, i1_unique_node_map_ref_idx, 1, 1); u1_num_complete_grids++; } } if(i4_num_unique_nodes > 0) { ps_search_prms->i4_num_search_nodes = i4_num_unique_nodes; ps_search_prms->u1_is_cu_noisy = 0; hme_pred_search( ps_search_prms, ps_layer_ctxt, ps_wt_inp_prms, (1 == u1_num_complete_grids) && (u1_num_grids == u1_num_complete_grids), ps_me_optimised_function_list ); } } /** ******************************************************************************** * @fn hme_remove_duplicate_fpel_search_candidates * * @brief Function name is self-explanatory * * @return Number of unique candidates ******************************************************************************** */ S32 hme_remove_duplicate_fpel_search_candidates( search_node_t *ps_unique_search_nodes, search_candt_t *ps_search_candts, U32 *pu4_unique_node_map, S08 *pi1_pred_dir_to_ref_idx, S32 i4_num_srch_cands, S32 i4_num_init_candts, S32 i4_refine_iter_ctr, S32 i4_num_refinement_iterations, S32 i4_num_act_ref_l0, S08 i1_unique_node_map_ref_idx, S32 i4_unique_node_map_center_x, S32 i4_unique_node_map_center_y, U08 u1_is_bidir_enabled, ME_QUALITY_PRESETS_T e_quality_preset) { S32 i; S32 i4_max_num_cands = ((!u1_is_bidir_enabled) && (i4_num_act_ref_l0 > 1)) ? (i4_num_init_candts >> 1) : i4_num_init_candts; S32 i4_num_unique_nodes = 0; for(i = 0; (i < i4_num_srch_cands) && (i4_num_unique_nodes < i4_max_num_cands); i++) { search_node_t *ps_cur_cand = ps_search_candts[i].ps_search_node; U08 u1_use_hashing = (ps_cur_cand->i1_ref_idx == i1_unique_node_map_ref_idx); if(i4_num_refinement_iterations > 1) { #if !ENABLE_EXPLICIT_SEARCH_IN_P_IN_L0 /* Ref0 evaluated during the first iteration */ /* All other Ref's evaluated during the second iteration */ if((ps_cur_cand->i1_ref_idx != pi1_pred_dir_to_ref_idx[0]) && (i4_refine_iter_ctr == 0)) { continue; } #else if(e_quality_preset == ME_HIGH_QUALITY) { if((ps_cur_cand->i1_ref_idx != pi1_pred_dir_to_ref_idx[0]) && (i4_refine_iter_ctr == 0)) { continue; } } else { if(ps_cur_cand->i1_ref_idx != pi1_pred_dir_to_ref_idx[i4_refine_iter_ctr]) { continue; } } #endif } INSERT_UNIQUE_NODE( ps_unique_search_nodes, i4_num_unique_nodes, ps_cur_cand[0], pu4_unique_node_map, i4_unique_node_map_center_x, i4_unique_node_map_center_y, u1_use_hashing); } return i4_num_unique_nodes; }