/****************************************************************************** * * 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 */ #include #include #include #include "impd_type_def.h" #include "impd_drc_extr_delta_coded_info.h" #include "impd_drc_common.h" #include "impd_drc_struct.h" #include "impd_drc_interface.h" #include "impd_drc_selection_process.h" #include "impd_drc_sel_proc_drc_set_sel.h" #include "impd_drc_loudness_control.h" #include "impd_drc_filter_bank.h" #include "impd_drc_rom.h" static const WORD32 effect_types_request_table[] = { EFFECT_BIT_NIGHT, EFFECT_BIT_NOISY, EFFECT_BIT_LIMITED, EFFECT_BIT_LOWLEVEL, EFFECT_BIT_DIALOG, EFFECT_BIT_GENERAL_COMPR, EFFECT_BIT_EXPAND, EFFECT_BIT_ARTISTIC}; WORD32 impd_validate_requested_drc_feature( ia_drc_sel_proc_params_struct* pstr_drc_sel_proc_params_struct) { WORD32 i, j; for (i = 0; i < pstr_drc_sel_proc_params_struct->num_drc_feature_requests; i++) { switch (pstr_drc_sel_proc_params_struct->drc_feature_req_type[i]) { case MATCH_EFFECT_TYPE: for (j = 0; j < pstr_drc_sel_proc_params_struct ->desired_num_drc_effects_of_requested[i]; j++) { if (pstr_drc_sel_proc_params_struct ->requested_drc_effect_type[i][j] == EFFECT_TYPE_REQUESTED_NONE) { if (pstr_drc_sel_proc_params_struct ->desired_num_drc_effects_of_requested[i] > 1) { return (UNEXPECTED_ERROR); } } } break; case MATCH_DYNAMIC_RANGE: break; case MATCH_DRC_CHARACTERISTIC: break; default: return (UNEXPECTED_ERROR); break; } } return (0); } WORD32 impd_find_drc_instructions_uni_drc( ia_drc_config* drc_config, WORD32 drc_set_id_requested, ia_drc_instructions_struct** str_drc_instruction_str) { WORD32 i; for (i = 0; i < drc_config->drc_instructions_uni_drc_count; i++) { if (drc_set_id_requested == drc_config->str_drc_instruction_str[i].drc_set_id) break; } if (i == drc_config->drc_instructions_uni_drc_count) { return (UNEXPECTED_ERROR); } *str_drc_instruction_str = &drc_config->str_drc_instruction_str[i]; return (0); } WORD32 impd_map_requested_effect_bit_idx(WORD32 requested_effect_type, WORD32* effect_bit_idx) { switch (requested_effect_type) { case EFFECT_TYPE_REQUESTED_NONE: *effect_bit_idx = EFFECT_BIT_NONE; break; case EFFECT_TYPE_REQUESTED_NIGHT: *effect_bit_idx = EFFECT_BIT_NIGHT; break; case EFFECT_TYPE_REQUESTED_NOISY: *effect_bit_idx = EFFECT_BIT_NOISY; break; case EFFECT_TYPE_REQUESTED_LIMITED: *effect_bit_idx = EFFECT_BIT_LIMITED; break; case EFFECT_TYPE_REQUESTED_LOWLEVEL: *effect_bit_idx = EFFECT_BIT_LOWLEVEL; break; case EFFECT_TYPE_REQUESTED_DIALOG: *effect_bit_idx = EFFECT_BIT_DIALOG; break; case EFFECT_TYPE_REQUESTED_GENERAL_COMPR: *effect_bit_idx = EFFECT_BIT_GENERAL_COMPR; break; case EFFECT_TYPE_REQUESTED_EXPAND: *effect_bit_idx = EFFECT_BIT_EXPAND; break; case EFFECT_TYPE_REQUESTED_ARTISTIC: *effect_bit_idx = EFFECT_BIT_ARTISTIC; break; default: return (UNEXPECTED_ERROR); break; } return (0); } WORD32 impd_get_fading_drc_set(ia_drc_sel_pro_struct* pstr_drc_uni_sel_proc) { pstr_drc_uni_sel_proc->drc_instructions_index[2] = -1; if (pstr_drc_uni_sel_proc->uni_drc_sel_proc_params.album_mode == 0) { WORD32 n; ia_drc_instructions_struct* str_drc_instruction_str = NULL; for (n = 0; n < pstr_drc_uni_sel_proc->drc_config.drc_instructions_uni_drc_count; n++) { str_drc_instruction_str = &(pstr_drc_uni_sel_proc->drc_config.str_drc_instruction_str[n]); if (str_drc_instruction_str->drc_set_effect & EFFECT_BIT_FADE) { if (str_drc_instruction_str->downmix_id[0] == ID_FOR_ANY_DOWNMIX) { pstr_drc_uni_sel_proc->drc_instructions_index[2] = n; } else { return (UNEXPECTED_ERROR); } } } } return (0); } WORD32 impd_get_ducking_drc_set(ia_drc_sel_pro_struct* pstr_drc_uni_sel_proc) { WORD32 drc_instructions_index; WORD32 n, k; ia_drc_instructions_struct* str_drc_instruction_str; WORD32 requested_dwnmix_id = pstr_drc_uni_sel_proc->uni_drc_sel_proc_output.active_downmix_id; pstr_drc_uni_sel_proc->drc_instructions_index[3] = -1; drc_instructions_index = -1; str_drc_instruction_str = NULL; for (n = 0; n < pstr_drc_uni_sel_proc->drc_config.drc_instructions_uni_drc_count; n++) { str_drc_instruction_str = &(pstr_drc_uni_sel_proc->drc_config.str_drc_instruction_str[n]); if (str_drc_instruction_str->drc_set_effect & (EFFECT_BIT_DUCK_OTHER | EFFECT_BIT_DUCK_SELF)) { for (k = 0; k < str_drc_instruction_str->dwnmix_id_count; k++) { if (str_drc_instruction_str->downmix_id[k] == requested_dwnmix_id) { drc_instructions_index = n; } } } } if (drc_instructions_index == -1) { for (n = 0; n < pstr_drc_uni_sel_proc->drc_config.drc_instructions_uni_drc_count; n++) { str_drc_instruction_str = &(pstr_drc_uni_sel_proc->drc_config.str_drc_instruction_str[n]); if (str_drc_instruction_str->drc_set_effect & (EFFECT_BIT_DUCK_OTHER | EFFECT_BIT_DUCK_SELF)) { for (k = 0; k < str_drc_instruction_str->dwnmix_id_count; k++) { if (str_drc_instruction_str->downmix_id[k] == ID_FOR_BASE_LAYOUT) { drc_instructions_index = n; } } } } } if (drc_instructions_index > -1) { pstr_drc_uni_sel_proc->drc_instructions_index[2] = -1; pstr_drc_uni_sel_proc->drc_instructions_index[3] = drc_instructions_index; } return (0); } WORD32 impd_get_selected_drc_set(ia_drc_sel_pro_struct* pstr_drc_uni_sel_proc, WORD32 drc_set_id_selected) { WORD32 n; for (n = 0; n < pstr_drc_uni_sel_proc->drc_config.drc_instructions_count_plus; n++) { if (pstr_drc_uni_sel_proc->drc_config.str_drc_instruction_str[n] .drc_set_id == drc_set_id_selected) break; } if (n == pstr_drc_uni_sel_proc->drc_config.drc_instructions_count_plus) { return (EXTERNAL_ERROR); } pstr_drc_uni_sel_proc->drc_inst_index_sel = n; pstr_drc_uni_sel_proc->drc_instructions_index[0] = pstr_drc_uni_sel_proc->drc_inst_index_sel; return (0); } WORD32 impd_get_dependent_drc_set( ia_drc_sel_pro_struct* pstr_drc_uni_sel_proc) { ia_drc_instructions_struct* str_drc_instruction_str = NULL; str_drc_instruction_str = &( pstr_drc_uni_sel_proc->drc_config .str_drc_instruction_str[pstr_drc_uni_sel_proc->drc_inst_index_sel]); if (str_drc_instruction_str->depends_on_drc_set_present == 1) { WORD32 n; WORD32 drc_dependent_set_id = str_drc_instruction_str->depends_on_drc_set; for (n = 0; n < pstr_drc_uni_sel_proc->drc_config.drc_instructions_count_plus; n++) { if (pstr_drc_uni_sel_proc->drc_config.str_drc_instruction_str[n] .drc_set_id == drc_dependent_set_id) break; } if (n == pstr_drc_uni_sel_proc->drc_config.drc_instructions_count_plus) { return (UNEXPECTED_ERROR); } pstr_drc_uni_sel_proc->drc_instructions_index[1] = n; } else { pstr_drc_uni_sel_proc->drc_instructions_index[1] = -1; } return (0); } WORD32 impd_get_dependent_drc_instructions( const ia_drc_config* drc_config, const ia_drc_instructions_struct* str_drc_instruction_str, ia_drc_instructions_struct** drc_instructions_dependent) { WORD32 j; ia_drc_instructions_struct* dependent_drc = NULL; for (j = 0; j < drc_config->drc_instructions_uni_drc_count; j++) { dependent_drc = (ia_drc_instructions_struct*)&(drc_config->str_drc_instruction_str[j]); if (dependent_drc->drc_set_id == str_drc_instruction_str->depends_on_drc_set) { break; } } if (j == drc_config->drc_instructions_uni_drc_count) { return (UNEXPECTED_ERROR); } if (dependent_drc->depends_on_drc_set_present == 1) { return (UNEXPECTED_ERROR); } *drc_instructions_dependent = dependent_drc; return (0); } WORD32 impd_select_drcs_without_compr_effects( ia_drc_config* pstr_drc_config, WORD32* match_found_flag, WORD32* selection_candidate_count, ia_selection_candidate_info_struct* selection_candidate_info) { WORD32 i, k, n; WORD32 selection_candidate_step_2_count = 0; ia_selection_candidate_info_struct selection_candidate_info_step_2[SELECTION_CANDIDATE_COUNT_MAX]; WORD32 effect_types_request_table_size; WORD32 match; ia_drc_instructions_struct* str_drc_instruction_str; effect_types_request_table_size = sizeof(effect_types_request_table) / sizeof(WORD32); k = 0; for (i = 0; i < *selection_candidate_count; i++) { str_drc_instruction_str = &( pstr_drc_config->str_drc_instruction_str[selection_candidate_info[i] .drc_instructions_index]); match = 1; for (n = 0; n < effect_types_request_table_size; n++) { if ((str_drc_instruction_str->drc_set_effect & effect_types_request_table[n]) != 0x0) { match = 0; } } if (match == 1) { if (k >= SELECTION_CANDIDATE_COUNT_MAX) return UNEXPECTED_ERROR; memcpy(&selection_candidate_info_step_2[k], &selection_candidate_info[i], sizeof(ia_selection_candidate_info_struct)); k++; } } selection_candidate_step_2_count = k; if (selection_candidate_step_2_count > 0) { *match_found_flag = 1; for (i = 0; i < selection_candidate_step_2_count; i++) { memcpy(&selection_candidate_info[i], &selection_candidate_info_step_2[i], sizeof(ia_selection_candidate_info_struct)); *selection_candidate_count = selection_candidate_step_2_count; } } else { *match_found_flag = 0; } return (0); } WORD32 impd_match_effect_type_attempt( ia_drc_config* pstr_drc_config, WORD32 requested_effect_type, WORD32 state_requested, WORD32* match_found_flag, WORD32* selection_candidate_count, ia_selection_candidate_info_struct* selection_candidate_info) { WORD32 i, k, err; WORD32 selection_candidate_step_2_count = 0; ia_selection_candidate_info_struct selection_candidate_info_step_2[SELECTION_CANDIDATE_COUNT_MAX]; ia_drc_instructions_struct* str_drc_instruction_str; ia_drc_instructions_struct* drc_instructions_dependent; WORD32 effect_bit_idx; err = impd_map_requested_effect_bit_idx(requested_effect_type, &effect_bit_idx); if (err) return (err); if (effect_bit_idx == EFFECT_BIT_NONE) { err = impd_select_drcs_without_compr_effects( pstr_drc_config, match_found_flag, selection_candidate_count, selection_candidate_info); if (err) return (err); } else { k = 0; for (i = 0; i < *selection_candidate_count; i++) { str_drc_instruction_str = &(pstr_drc_config->str_drc_instruction_str [selection_candidate_info[i].drc_instructions_index]); if (str_drc_instruction_str->depends_on_drc_set_present == 1) { err = impd_get_dependent_drc_instructions(pstr_drc_config, str_drc_instruction_str, &drc_instructions_dependent); if (err) return (err); if (state_requested == 1) { if (((str_drc_instruction_str->drc_set_effect & effect_bit_idx) != 0x0) || ((drc_instructions_dependent->drc_set_effect & effect_bit_idx) != 0x0)) { if (k >= SELECTION_CANDIDATE_COUNT_MAX) return UNEXPECTED_ERROR; memcpy(&selection_candidate_info_step_2[k], &selection_candidate_info[i], sizeof(ia_selection_candidate_info_struct)); k++; } } else { if (((str_drc_instruction_str->drc_set_effect & effect_bit_idx) == 0x0) && ((drc_instructions_dependent->drc_set_effect & effect_bit_idx) == 0x0)) { if (k >= SELECTION_CANDIDATE_COUNT_MAX) return UNEXPECTED_ERROR; memcpy(&selection_candidate_info_step_2[k], &selection_candidate_info[i], sizeof(ia_selection_candidate_info_struct)); k++; } } } else { if (state_requested == 1) { if ((str_drc_instruction_str->drc_set_effect & effect_bit_idx) != 0x0) { if (k >= SELECTION_CANDIDATE_COUNT_MAX) return UNEXPECTED_ERROR; memcpy(&selection_candidate_info_step_2[k], &selection_candidate_info[i], sizeof(ia_selection_candidate_info_struct)); k++; } } else { if ((str_drc_instruction_str->drc_set_effect & effect_bit_idx) == 0x0) { if (k >= SELECTION_CANDIDATE_COUNT_MAX) return UNEXPECTED_ERROR; memcpy(&selection_candidate_info_step_2[k], &selection_candidate_info[i], sizeof(ia_selection_candidate_info_struct)); k++; } } } } selection_candidate_step_2_count = k; if (selection_candidate_step_2_count > 0) { *match_found_flag = 1; for (i = 0; i < selection_candidate_step_2_count; i++) { *selection_candidate_count = selection_candidate_step_2_count; memcpy(&selection_candidate_info[i], &selection_candidate_info_step_2[i], sizeof(ia_selection_candidate_info_struct)); } } else { *match_found_flag = 0; } } return (0); } WORD32 impd_match_effect_types( ia_drc_config* pstr_drc_config, WORD32 effect_type_requested_total_count, WORD32 effect_type_requested_desired_count, WORD32* requested_effect_type, WORD32* selection_candidate_count, ia_selection_candidate_info_struct* selection_candidate_info) { WORD32 k, err; WORD32 match_found_flag = 0; WORD32 state_requested; WORD32 desired_effect_type_found; desired_effect_type_found = 0; k = 0; while (k < effect_type_requested_desired_count) { state_requested = 1; err = impd_match_effect_type_attempt( pstr_drc_config, requested_effect_type[k], state_requested, &match_found_flag, selection_candidate_count, selection_candidate_info); if (err) return (err); if (match_found_flag) desired_effect_type_found = 1; k++; } if (desired_effect_type_found == 0) { while ((k < effect_type_requested_total_count) && (match_found_flag == 0)) { state_requested = 1; err = impd_match_effect_type_attempt( pstr_drc_config, requested_effect_type[k], state_requested, &match_found_flag, selection_candidate_count, selection_candidate_info); if (err) return (err); k++; } } return (0); } WORD32 impd_match_dynamic_range( ia_drc_config* pstr_drc_config, ia_drc_loudness_info_set_struct* pstr_loudness_info, ia_drc_sel_proc_params_struct* pstr_drc_sel_proc_params_struct, WORD32 num_drc_requests, WORD32* selection_candidate_count, ia_selection_candidate_info_struct* selection_candidate_info) { ia_drc_instructions_struct* str_drc_instruction_str; WORD32 err, i, k; WORD32 lp_avg_present_val; FLOAT32 lp_avg_val; FLOAT32 deviation_min = 1000.0f; WORD32 selected[DRC_INSTRUCTIONS_COUNT_MAX]; WORD32 dynamic_range_measurement_type = pstr_drc_sel_proc_params_struct ->requested_dyn_range_measur_type[num_drc_requests]; WORD32 requested_dyn_range_range_flag = pstr_drc_sel_proc_params_struct ->requested_dyn_range_range_flag[num_drc_requests]; FLOAT32 dynamic_range_requested = pstr_drc_sel_proc_params_struct ->requested_dyn_range_value[num_drc_requests]; FLOAT32 dynamic_range_min_requested = pstr_drc_sel_proc_params_struct ->requested_dyn_range_min_val[num_drc_requests]; FLOAT32 dynamic_range_max_requested = pstr_drc_sel_proc_params_struct ->requested_dyn_range_max_val[num_drc_requests]; WORD32* requested_dwnmix_id = pstr_drc_sel_proc_params_struct->requested_dwnmix_id; WORD32 album_mode = pstr_drc_sel_proc_params_struct->album_mode; k = 0; for (i = 0; i < *selection_candidate_count; i++) { str_drc_instruction_str = &( pstr_drc_config->str_drc_instruction_str[selection_candidate_info[i] .drc_instructions_index]); err = impd_loudness_peak_to_average_info( pstr_loudness_info, str_drc_instruction_str, requested_dwnmix_id[selection_candidate_info[i] .downmix_id_request_index], dynamic_range_measurement_type, album_mode, &lp_avg_present_val, &lp_avg_val); if (err) return (err); if (lp_avg_present_val == 1) { if (requested_dyn_range_range_flag == 1) { if ((lp_avg_val >= dynamic_range_min_requested) && (lp_avg_val <= dynamic_range_max_requested)) { if (k >= DRC_INSTRUCTIONS_COUNT_MAX) return UNEXPECTED_ERROR; selected[k] = i; k++; } } else { FLOAT32 deviation = (FLOAT32)fabs((FLOAT64)(dynamic_range_requested - lp_avg_val)); if (deviation_min >= deviation) { if (deviation_min > deviation) { deviation_min = deviation; k = 0; } if (k >= DRC_INSTRUCTIONS_COUNT_MAX) return UNEXPECTED_ERROR; selected[k] = i; k++; } } } } if (k > 0) { for (i = 0; i < k; i++) { memcpy(&selection_candidate_info[i], &selection_candidate_info[selected[i]], sizeof(ia_selection_candidate_info_struct)); } *selection_candidate_count = k; } return (0); } WORD32 impd_match_drc_characteristic_attempt( ia_drc_config* pstr_drc_config, WORD32 requested_drc_characteristic, WORD32* match_found_flag, WORD32* selection_candidate_count, ia_selection_candidate_info_struct* selection_candidate_info) { WORD32 i, k, n, b, m; WORD32 ref_count; WORD32 drc_characteristic; FLOAT32 match_count; WORD32 drc_characteristic_request_1; WORD32 drc_characteristic_request_2; WORD32 drc_characteristic_request_3; ia_drc_instructions_struct* str_drc_instruction_str = NULL; ia_uni_drc_coeffs_struct* str_p_loc_drc_coefficients_uni_drc = NULL; ia_gain_set_params_struct* gain_set_params = NULL; *match_found_flag = 0; if (requested_drc_characteristic < 1) { return (UNEXPECTED_ERROR); } if (requested_drc_characteristic < 12) { drc_characteristic_request_1 = drc_characteristic_order_default[requested_drc_characteristic - 1][0]; drc_characteristic_request_2 = drc_characteristic_order_default[requested_drc_characteristic - 1][1]; drc_characteristic_request_3 = drc_characteristic_order_default[requested_drc_characteristic - 1][2]; } else { drc_characteristic_request_1 = requested_drc_characteristic; drc_characteristic_request_2 = -1; drc_characteristic_request_3 = -1; } if (pstr_drc_config->drc_coefficients_drc_count) { for (i = 0; i < pstr_drc_config->drc_coefficients_drc_count; i++) { str_p_loc_drc_coefficients_uni_drc = &(pstr_drc_config->str_p_loc_drc_coefficients_uni_drc[i]); if (str_p_loc_drc_coefficients_uni_drc->drc_location == LOCATION_SELECTED) break; } if (i == pstr_drc_config->drc_coefficients_drc_count) { return (UNEXPECTED_ERROR); } } n = 0; for (i = 0; i < *selection_candidate_count; i++) { ref_count = 0; match_count = 0; str_drc_instruction_str = &( pstr_drc_config->str_drc_instruction_str[selection_candidate_info[i] .drc_instructions_index]); for (k = 0; k < str_drc_instruction_str->num_drc_ch_groups; k++) { gain_set_params = &(str_p_loc_drc_coefficients_uni_drc->gain_set_params [str_drc_instruction_str->gain_set_index_for_channel_group[k]]); for (b = 0; b < gain_set_params->band_count; b++) { ref_count++; drc_characteristic = gain_set_params->gain_params[b].drc_characteristic; if (drc_characteristic == drc_characteristic_request_1) match_count += 1.0f; else if (drc_characteristic == drc_characteristic_request_2) match_count += 0.75f; else if (drc_characteristic == drc_characteristic_request_3) match_count += 0.5f; } } if (str_drc_instruction_str->depends_on_drc_set_present == 1) { WORD32 depends_on_drc_set = str_drc_instruction_str->depends_on_drc_set; for (m = 0; m < pstr_drc_config->drc_instructions_uni_drc_count; m++) { if (pstr_drc_config->str_drc_instruction_str[m].drc_set_id == depends_on_drc_set) break; } if (m == pstr_drc_config->drc_instructions_uni_drc_count) { return (UNEXPECTED_ERROR); } str_drc_instruction_str = &(pstr_drc_config->str_drc_instruction_str[m]); if ((str_drc_instruction_str->drc_set_effect & (EFFECT_BIT_FADE | EFFECT_BIT_DUCK_OTHER | EFFECT_BIT_DUCK_SELF)) == 0) { if (str_drc_instruction_str->drc_set_effect != EFFECT_BIT_CLIPPING) { for (k = 0; k < str_drc_instruction_str->num_drc_ch_groups; k++) { gain_set_params = &(str_p_loc_drc_coefficients_uni_drc->gain_set_params [str_drc_instruction_str ->gain_set_index_for_channel_group[k]]); for (b = 0; b < gain_set_params->band_count; b++) { ref_count++; drc_characteristic = gain_set_params->gain_params[b].drc_characteristic; if (drc_characteristic == drc_characteristic_request_1) match_count += 1.0f; else if (drc_characteristic == drc_characteristic_request_2) match_count += 0.75f; else if (drc_characteristic == drc_characteristic_request_3) match_count += 0.5; } } } } } if ((ref_count > 0) && (((FLOAT32)match_count) > 0.5f * ref_count)) { if (n >= SELECTION_CANDIDATE_COUNT_MAX) return UNEXPECTED_ERROR; memcpy(&selection_candidate_info[n], &selection_candidate_info[i], sizeof(ia_selection_candidate_info_struct)); n++; } } if (n > 0) { *selection_candidate_count = n; *match_found_flag = 1; } return (0); } WORD32 impd_match_drc_characteristic( ia_drc_config* pstr_drc_config, WORD32 requested_drc_characteristic, WORD32* selection_candidate_count, ia_selection_candidate_info_struct* selection_candidate_info) { WORD32 k, err; WORD32 match_found_flag = 0; const WORD32* drc_characteristic_order = drc_characteristic_order_default[requested_drc_characteristic - 1]; const WORD32 drc_characteristic_order_count = sizeof(drc_characteristic_order_default[requested_drc_characteristic]) / sizeof(WORD32); k = 0; while ((k < drc_characteristic_order_count) && (match_found_flag == 0) && (drc_characteristic_order[k] > 0)) { err = impd_match_drc_characteristic_attempt( pstr_drc_config, drc_characteristic_order[k], &match_found_flag, selection_candidate_count, selection_candidate_info); if (err) return (err); k++; } return (0); } WORD32 impd_drc_set_preselection( ia_drc_sel_proc_params_struct* pstr_drc_sel_proc_params_struct, ia_drc_config* pstr_drc_config, ia_drc_loudness_info_set_struct* pstr_loudness_info, WORD32 restrict_to_drc_with_album_loudness, ia_drc_sel_pro_struct* pstr_drc_uni_sel_proc, WORD32* selection_candidate_count, ia_selection_candidate_info_struct* selection_candidate_info) { WORD32 i, j, k, l, d, n, err; WORD32 downmix_id_match = 0; WORD32 selection_candidate_step_2_count; ia_selection_candidate_info_struct selection_candidate_info_step_2[SELECTION_CANDIDATE_COUNT_MAX]; WORD32 num_downmix_id_requests = pstr_drc_sel_proc_params_struct->num_downmix_id_requests; WORD32* requested_dwnmix_id = pstr_drc_sel_proc_params_struct->requested_dwnmix_id; FLOAT32 output_peak_level_max = pstr_drc_sel_proc_params_struct->output_peak_level_max; WORD32 loudness_deviation_max = pstr_drc_sel_proc_params_struct->loudness_deviation_max; WORD32* drc_set_id_valid_flag = pstr_drc_uni_sel_proc->drc_set_id_valid_flag; WORD32* eq_set_id_valid_flag = pstr_drc_uni_sel_proc->eq_set_id_valid_flag; FLOAT32 output_peak_level_min = 1000.0f; FLOAT32 adjustment; WORD32 loudness_drc_set_id_requested; WORD32 num_compression_eq_count = 0; WORD32 num_compression_eq_id[16]; WORD32 loudness_info_count = 0; WORD32 eq_set_id_loudness[16]; FLOAT32 loudness_normalization_gain_db[16]; FLOAT32 loudness[16]; WORD32 peak_info_count; WORD32 eq_set_id_Peak[16]; FLOAT32 signal_peak_level[16]; WORD32 explicit_peak_information_present[16] = { 0 }; ia_uni_drc_coeffs_struct* str_p_loc_drc_coefficients_uni_drc = NULL; ia_drc_instructions_struct* str_drc_instruction_str = NULL; impd_select_drc_coeff3(pstr_drc_config, &str_p_loc_drc_coefficients_uni_drc); if (str_p_loc_drc_coefficients_uni_drc == NULL) return UNEXPECTED_ERROR; k = 0; for (d = 0; d < num_downmix_id_requests; d++) { err = impd_find_eq_set_no_compression( pstr_drc_config, requested_dwnmix_id[d], &num_compression_eq_count, num_compression_eq_id); if (err) return (err); for (i = 0; i < pstr_drc_config->drc_instructions_count_plus; i++) { downmix_id_match = 0; str_drc_instruction_str = &(pstr_drc_config->str_drc_instruction_str[i]); for (j = 0; j < str_drc_instruction_str->dwnmix_id_count; j++) { if ((str_drc_instruction_str->downmix_id[j] == requested_dwnmix_id[d]) || ((str_drc_instruction_str->downmix_id[j] == ID_FOR_BASE_LAYOUT) && (str_drc_instruction_str->drc_set_id > 0)) || (str_drc_instruction_str->downmix_id[j] == ID_FOR_ANY_DOWNMIX)) { downmix_id_match = 1; } } if (downmix_id_match == 1) { if (pstr_drc_sel_proc_params_struct->dynamic_range_control_on == 1) { if ((str_drc_instruction_str->drc_set_effect != EFFECT_BIT_FADE) && (str_drc_instruction_str->drc_set_effect != EFFECT_BIT_DUCK_OTHER) && (str_drc_instruction_str->drc_set_effect != EFFECT_BIT_DUCK_SELF) && (str_drc_instruction_str->drc_set_effect != 0 || str_drc_instruction_str->drc_set_id < 0) && (((str_drc_instruction_str->depends_on_drc_set_present == 0) && (str_drc_instruction_str->no_independent_use == 0)) || (str_drc_instruction_str->depends_on_drc_set_present == 1))) { WORD32 drc_is_permitted = 1; if (str_drc_instruction_str->drc_set_id > 0) { drc_is_permitted = drc_set_id_valid_flag[str_drc_instruction_str->drc_set_id]; } if (drc_is_permitted == 1) { err = impd_init_loudness_control( pstr_drc_sel_proc_params_struct, pstr_loudness_info, requested_dwnmix_id[d], str_drc_instruction_str->drc_set_id, num_compression_eq_count, num_compression_eq_id, &loudness_info_count, eq_set_id_loudness, loudness_normalization_gain_db, loudness); if (err) return (err); if (loudness_info_count > MAX_LOUDNESS_INFO_COUNT) return UNEXPECTED_ERROR; impd_signal_peak_level_info( pstr_drc_config, pstr_loudness_info, str_drc_instruction_str, requested_dwnmix_id[d], pstr_drc_sel_proc_params_struct->album_mode, num_compression_eq_count, num_compression_eq_id, &peak_info_count, eq_set_id_Peak, signal_peak_level, explicit_peak_information_present); for (l = 0; l < loudness_info_count; l++) { WORD32 match_found_flag = 0; WORD32 p; if (k >= SELECTION_CANDIDATE_COUNT_MAX) return UNEXPECTED_ERROR; selection_candidate_info[k].loudness_norm_db_gain_adjusted = loudness_normalization_gain_db[l]; selection_candidate_info[k] .loudness_norm_db_gain_adjusted = min( selection_candidate_info[k].loudness_norm_db_gain_adjusted, pstr_drc_sel_proc_params_struct->loudness_norm_gain_db_max); if (loudness[l] != UNDEFINED_LOUDNESS_VALUE) { selection_candidate_info[k].output_loudness = loudness[l] + selection_candidate_info[k] .loudness_norm_db_gain_adjusted; } else { selection_candidate_info[k].output_loudness = UNDEFINED_LOUDNESS_VALUE; } for (p = 0; p < peak_info_count; p++) { if (eq_set_id_Peak[p] == eq_set_id_loudness[l]) { if (eq_set_id_valid_flag[eq_set_id_Peak[p]] == 1) { match_found_flag = 1; break; } } } if (match_found_flag == 1) { selection_candidate_info[k].output_peak_level = signal_peak_level[p] + selection_candidate_info[k] .loudness_norm_db_gain_adjusted; } else { selection_candidate_info[k].output_peak_level = selection_candidate_info[k] .loudness_norm_db_gain_adjusted; } if ((str_drc_instruction_str->requires_eq == 1) && (eq_set_id_valid_flag[eq_set_id_loudness[l]] == 0)) continue; selection_candidate_info[k].drc_instructions_index = i; selection_candidate_info[k].downmix_id_request_index = d; selection_candidate_info[k].eq_set_id = eq_set_id_loudness[l]; if (explicit_peak_information_present[p] == 1) { selection_candidate_info[k].selection_flags = SELECTION_FLAG_EXPLICIT_PEAK_INFO_PRESENT; } else { selection_candidate_info[k].selection_flags = 0; } impd_mixing_level_info( pstr_drc_sel_proc_params_struct, pstr_loudness_info, requested_dwnmix_id[d], str_drc_instruction_str->drc_set_id, eq_set_id_loudness[l], &selection_candidate_info[k].mixing_level); if (str_drc_instruction_str->drc_set_target_loudness_present && ((pstr_drc_sel_proc_params_struct ->loudness_normalization_on && str_drc_instruction_str ->drc_set_target_loudness_value_upper >= pstr_drc_sel_proc_params_struct->target_loudness && str_drc_instruction_str ->drc_set_target_loudness_value_lower < pstr_drc_sel_proc_params_struct->target_loudness) || !pstr_drc_sel_proc_params_struct ->loudness_normalization_on)) { selection_candidate_info[k].selection_flags |= SELECTION_FLAG_DRC_TARGET_LOUDNESS_MATCH; if (!explicit_peak_information_present[p]) { if (pstr_drc_sel_proc_params_struct ->loudness_normalization_on) { selection_candidate_info[k].output_peak_level = pstr_drc_sel_proc_params_struct->target_loudness - str_drc_instruction_str ->drc_set_target_loudness_value_upper; } else { selection_candidate_info[k].output_peak_level = 0.0f; } } } if ((selection_candidate_info[k].selection_flags & (SELECTION_FLAG_DRC_TARGET_LOUDNESS_MATCH | SELECTION_FLAG_EXPLICIT_PEAK_INFO_PRESENT) || !str_drc_instruction_str ->drc_set_target_loudness_present)) { k++; } } } } } else { if (str_drc_instruction_str->drc_set_id < 0) { err = impd_init_loudness_control( pstr_drc_sel_proc_params_struct, pstr_loudness_info, requested_dwnmix_id[d], str_drc_instruction_str->drc_set_id, num_compression_eq_count, num_compression_eq_id, &loudness_info_count, eq_set_id_loudness, loudness_normalization_gain_db, loudness); if (err) return (err); impd_signal_peak_level_info( pstr_drc_config, pstr_loudness_info, str_drc_instruction_str, requested_dwnmix_id[d], pstr_drc_sel_proc_params_struct->album_mode, num_compression_eq_count, num_compression_eq_id, &peak_info_count, eq_set_id_Peak, signal_peak_level, explicit_peak_information_present); for (l = 0; l < loudness_info_count; l++) { WORD32 match_found_flag = 0; WORD32 p; if (k >= SELECTION_CANDIDATE_COUNT_MAX) return UNEXPECTED_ERROR; for (p = 0; p < peak_info_count; p++) { if (eq_set_id_Peak[p] == eq_set_id_loudness[l]) { if (eq_set_id_valid_flag[eq_set_id_Peak[p]] == 1) { match_found_flag = 1; break; } } } if (match_found_flag == 1) { adjustment = max( 0.0f, signal_peak_level[p] + loudness_normalization_gain_db[l] - pstr_drc_sel_proc_params_struct->output_peak_level_max); adjustment = min(adjustment, max(0.0f, loudness_deviation_max)); selection_candidate_info[k].loudness_norm_db_gain_adjusted = loudness_normalization_gain_db[l] - adjustment; selection_candidate_info[k] .loudness_norm_db_gain_adjusted = min( selection_candidate_info[k].loudness_norm_db_gain_adjusted, pstr_drc_sel_proc_params_struct->loudness_norm_gain_db_max); selection_candidate_info[k].output_peak_level = signal_peak_level[p] + selection_candidate_info[k].loudness_norm_db_gain_adjusted; if (loudness[l] != UNDEFINED_LOUDNESS_VALUE) { selection_candidate_info[k].output_loudness = loudness[l] + selection_candidate_info[k] .loudness_norm_db_gain_adjusted; } else { selection_candidate_info[k].output_loudness = UNDEFINED_LOUDNESS_VALUE; } selection_candidate_info[k].drc_instructions_index = i; selection_candidate_info[k].downmix_id_request_index = d; selection_candidate_info[k].eq_set_id = eq_set_id_loudness[l]; if (explicit_peak_information_present[p] == 1) { selection_candidate_info[k].selection_flags = SELECTION_FLAG_EXPLICIT_PEAK_INFO_PRESENT; } else { selection_candidate_info[k].selection_flags = 0; } impd_mixing_level_info( pstr_drc_sel_proc_params_struct, pstr_loudness_info, requested_dwnmix_id[d], str_drc_instruction_str->drc_set_id, eq_set_id_loudness[l], &selection_candidate_info[k].mixing_level); k++; } } } } } } } if (k > SELECTION_CANDIDATE_COUNT_MAX) return UNEXPECTED_ERROR; *selection_candidate_count = k; if (pstr_drc_sel_proc_params_struct->dynamic_range_control_on == 1) { n = 0; for (k = 0; k < *selection_candidate_count; k++) { str_drc_instruction_str = &(pstr_drc_config->str_drc_instruction_str [selection_candidate_info[k].drc_instructions_index]); if (pstr_drc_sel_proc_params_struct->eq_set_purpose_request != EQ_PURPOSE_EQ_OFF) { WORD32 matching_eq_set_count = 0; WORD32 matching_eq_instrucions_index[64]; err = impd_match_eq_set( pstr_drc_config, requested_dwnmix_id[selection_candidate_info[k] .downmix_id_request_index], str_drc_instruction_str->drc_set_id, eq_set_id_valid_flag, &matching_eq_set_count, matching_eq_instrucions_index); if (err) return (err); for (j = 0; j < matching_eq_set_count; j++) { if (n >= SELECTION_CANDIDATE_COUNT_MAX) return UNEXPECTED_ERROR; memcpy(&selection_candidate_info_step_2[n], &selection_candidate_info[k], sizeof(ia_selection_candidate_info_struct)); selection_candidate_info_step_2[n].eq_set_id = pstr_drc_config->str_drc_config_ext .str_eq_instructions[matching_eq_instrucions_index[j]] .eq_set_id; n++; } } if (str_drc_instruction_str->requires_eq == 0) { if (n >= SELECTION_CANDIDATE_COUNT_MAX) return UNEXPECTED_ERROR; memcpy(&selection_candidate_info_step_2[n], &selection_candidate_info[k], sizeof(ia_selection_candidate_info_struct)); selection_candidate_info_step_2[n].eq_set_id = 0; n++; } } if (n > SELECTION_CANDIDATE_COUNT_MAX) return UNEXPECTED_ERROR; memcpy(selection_candidate_info, selection_candidate_info_step_2, n * sizeof(ia_selection_candidate_info_struct)); *selection_candidate_count = n; n = 0; for (k = 0; k < *selection_candidate_count; k++) { if ((selection_candidate_info[k].selection_flags & SELECTION_FLAG_DRC_TARGET_LOUDNESS_MATCH) && !(selection_candidate_info[k].selection_flags & SELECTION_FLAG_EXPLICIT_PEAK_INFO_PRESENT)) { memcpy(&selection_candidate_info_step_2[n], &selection_candidate_info[k], sizeof(ia_selection_candidate_info_struct)); n++; } else { if (selection_candidate_info[k].output_peak_level <= output_peak_level_max) { memcpy(&selection_candidate_info_step_2[n], &selection_candidate_info[k], sizeof(ia_selection_candidate_info_struct)); n++; } if (selection_candidate_info[k].output_peak_level < output_peak_level_min) { output_peak_level_min = selection_candidate_info[k].output_peak_level; } } } selection_candidate_step_2_count = n; if (selection_candidate_step_2_count == 0) { n = 0; for (k = 0; k < *selection_candidate_count; k++) { if ((selection_candidate_info[k].selection_flags & SELECTION_FLAG_DRC_TARGET_LOUDNESS_MATCH) && (selection_candidate_info[k].selection_flags & SELECTION_FLAG_EXPLICIT_PEAK_INFO_PRESENT)) { memcpy(&selection_candidate_info_step_2[n], &selection_candidate_info[k], sizeof(ia_selection_candidate_info_struct)); n++; } } selection_candidate_step_2_count = n; } if (selection_candidate_step_2_count == 0) { n = 0; for (k = 0; k < *selection_candidate_count; k++) { if (selection_candidate_info_step_2[k].output_peak_level < output_peak_level_min + 1.0f) { memcpy(&selection_candidate_info_step_2[n], &selection_candidate_info[k], sizeof(ia_selection_candidate_info_struct)); adjustment = max(0.0f, selection_candidate_info_step_2[n].output_peak_level - output_peak_level_max); adjustment = min(adjustment, max(0.0f, loudness_deviation_max)); selection_candidate_info_step_2[n].loudness_norm_db_gain_adjusted -= adjustment; selection_candidate_info_step_2[n].output_peak_level -= adjustment; selection_candidate_info_step_2[n].output_loudness -= adjustment; n++; } } selection_candidate_step_2_count = n; } for (n = 0; n < selection_candidate_step_2_count; n++) { memcpy(&selection_candidate_info[n], &selection_candidate_info_step_2[n], sizeof(ia_selection_candidate_info_struct)); } *selection_candidate_count = selection_candidate_step_2_count; } if (restrict_to_drc_with_album_loudness == 1) { j = 0; for (k = 0; k < *selection_candidate_count; k++) { loudness_drc_set_id_requested = max(0, pstr_drc_config ->str_drc_instruction_str[selection_candidate_info[k] .drc_instructions_index] .drc_set_id); for (n = 0; n < pstr_loudness_info->loudness_info_album_count; n++) { if (loudness_drc_set_id_requested == pstr_loudness_info->str_loudness_info_album[n].drc_set_id) { if (j >= SELECTION_CANDIDATE_COUNT_MAX) return UNEXPECTED_ERROR; memcpy(&selection_candidate_info[j], &selection_candidate_info[k], sizeof(ia_selection_candidate_info_struct)); j++; break; } } } *selection_candidate_count = j; } return (0); } WORD32 impd_drc_set_final_selection( ia_drc_config* pstr_drc_config, ia_drc_sel_proc_params_struct* pstr_drc_sel_proc_params_struct, WORD32* selection_candidate_count, ia_selection_candidate_info_struct* selection_candidate_info, WORD32* eq_set_id_valid_flag) { WORD32 k, i, n, err; WORD32 selection_candidate_step_2_count; ia_selection_candidate_info_struct selection_candidate_info_step_2[SELECTION_CANDIDATE_COUNT_MAX]; WORD32 drc_set_id_max; FLOAT32 output_level_max; FLOAT32 output_level_min; WORD32 effect_count, effect_count_min; WORD32 effect_types_request_table_size; WORD32 drc_set_target_loudness_val_upper_min; ia_drc_instructions_struct* str_drc_instruction_str; ia_drc_instructions_struct* drc_instructions_dependent; if (pstr_drc_sel_proc_params_struct->eq_set_purpose_request > 0) { WORD32 eq_purpose_requested = pstr_drc_sel_proc_params_struct->eq_set_purpose_request; err = impd_match_eq_set_purpose( pstr_drc_config, eq_purpose_requested, eq_set_id_valid_flag, selection_candidate_count, selection_candidate_info, selection_candidate_info_step_2); if (err) return (err); } output_level_min = 10000.0f; k = 0; for (i = 0; i < *selection_candidate_count; i++) { if (output_level_min >= selection_candidate_info[i].output_peak_level) { if (output_level_min > selection_candidate_info[i].output_peak_level) { output_level_min = selection_candidate_info[i].output_peak_level; k = 0; } memcpy(&selection_candidate_info_step_2[k], &selection_candidate_info[i], sizeof(ia_selection_candidate_info_struct)); k++; } } selection_candidate_step_2_count = k; if (output_level_min <= 0.0f) { selection_candidate_step_2_count = *selection_candidate_count; k = 0; for (i = 0; i < selection_candidate_step_2_count; i++) { if (selection_candidate_info[i].output_peak_level <= 0.0f) { memcpy(&selection_candidate_info_step_2[k], &selection_candidate_info[i], sizeof(ia_selection_candidate_info_struct)); k++; } } selection_candidate_step_2_count = k; k = 0; for (i = 0; i < selection_candidate_step_2_count; i++) { str_drc_instruction_str = &(pstr_drc_config->str_drc_instruction_str [selection_candidate_info_step_2[i].drc_instructions_index]); for (n = 0; n < str_drc_instruction_str->dwnmix_id_count; n++) { if (pstr_drc_sel_proc_params_struct->requested_dwnmix_id [selection_candidate_info_step_2[i].downmix_id_request_index] == str_drc_instruction_str->downmix_id[n]) { if (k >= SELECTION_CANDIDATE_COUNT_MAX) return UNEXPECTED_ERROR; memcpy(&selection_candidate_info_step_2[k], &selection_candidate_info_step_2[i], sizeof(ia_selection_candidate_info_struct)); k++; } } } if (k > 0) { selection_candidate_step_2_count = k; } effect_types_request_table_size = sizeof(effect_types_request_table) / sizeof(WORD32); effect_count_min = 100; k = 0; for (i = 0; i < selection_candidate_step_2_count; i++) { str_drc_instruction_str = &(pstr_drc_config->str_drc_instruction_str [selection_candidate_info_step_2[i].drc_instructions_index]); effect_count = 0; if (str_drc_instruction_str->depends_on_drc_set_present == 1) { err = impd_get_dependent_drc_instructions(pstr_drc_config, str_drc_instruction_str, &drc_instructions_dependent); if (err) return (err); for (n = 0; n < effect_types_request_table_size; n++) { if (effect_types_request_table[n] != EFFECT_BIT_GENERAL_COMPR) { if (((str_drc_instruction_str->drc_set_effect & effect_types_request_table[n]) != 0x0) || ((drc_instructions_dependent->drc_set_effect & effect_types_request_table[n]) != 0x0)) { effect_count++; } } } } else { for (n = 0; n < effect_types_request_table_size; n++) { if (effect_types_request_table[n] != EFFECT_BIT_GENERAL_COMPR) { if ((str_drc_instruction_str->drc_set_effect & effect_types_request_table[n]) != 0x0) { effect_count++; } } } } if (effect_count_min >= effect_count) { if (effect_count_min > effect_count) { effect_count_min = effect_count; k = 0; } memcpy(&selection_candidate_info_step_2[k], &selection_candidate_info_step_2[i], sizeof(ia_selection_candidate_info_struct)); k++; } } selection_candidate_step_2_count = k; drc_set_target_loudness_val_upper_min = 100; k = 0; for (i = 0; i < selection_candidate_step_2_count; i++) { if (selection_candidate_info_step_2[i].selection_flags & SELECTION_FLAG_DRC_TARGET_LOUDNESS_MATCH) { k++; } } if (k != 0 && k != selection_candidate_step_2_count) { k = 0; for (i = 0; i < selection_candidate_step_2_count; i++) { if (!(selection_candidate_info_step_2[i].selection_flags & SELECTION_FLAG_DRC_TARGET_LOUDNESS_MATCH)) { memcpy(&selection_candidate_info_step_2[k], &selection_candidate_info_step_2[i], sizeof(ia_selection_candidate_info_struct)); k++; } } selection_candidate_step_2_count = k; } else if (k == selection_candidate_step_2_count) { k = 0; for (i = 0; i < selection_candidate_step_2_count; i++) { str_drc_instruction_str = &(pstr_drc_config->str_drc_instruction_str [selection_candidate_info_step_2[i].drc_instructions_index]); if (str_drc_instruction_str->drc_set_target_loudness_present != 1) { return UNEXPECTED_ERROR; } if (drc_set_target_loudness_val_upper_min >= str_drc_instruction_str->drc_set_target_loudness_value_upper) { if (drc_set_target_loudness_val_upper_min > str_drc_instruction_str->drc_set_target_loudness_value_upper) { drc_set_target_loudness_val_upper_min = str_drc_instruction_str->drc_set_target_loudness_value_upper; k = 0; } memcpy(&selection_candidate_info_step_2[k], &selection_candidate_info_step_2[i], sizeof(ia_selection_candidate_info_struct)); k++; } } selection_candidate_step_2_count = k; } k = 0; for (i = 0; i < selection_candidate_step_2_count; i++) { str_drc_instruction_str = &(pstr_drc_config->str_drc_instruction_str [selection_candidate_info_step_2[i].drc_instructions_index]); if (str_drc_instruction_str->drc_set_target_loudness_present && pstr_drc_sel_proc_params_struct->loudness_normalization_on && str_drc_instruction_str->drc_set_target_loudness_value_upper >= pstr_drc_sel_proc_params_struct->target_loudness && str_drc_instruction_str->drc_set_target_loudness_value_lower < pstr_drc_sel_proc_params_struct->target_loudness) { k++; } } if (k != 0 && k != selection_candidate_step_2_count) { k = 0; for (i = 0; i < selection_candidate_step_2_count; i++) { str_drc_instruction_str = &(pstr_drc_config->str_drc_instruction_str [selection_candidate_info_step_2[i].drc_instructions_index]); if (str_drc_instruction_str->drc_set_target_loudness_present && pstr_drc_sel_proc_params_struct->loudness_normalization_on && str_drc_instruction_str->drc_set_target_loudness_value_upper >= pstr_drc_sel_proc_params_struct->target_loudness && str_drc_instruction_str->drc_set_target_loudness_value_lower < pstr_drc_sel_proc_params_struct->target_loudness) { memcpy(&selection_candidate_info_step_2[k], &selection_candidate_info_step_2[i], sizeof(ia_selection_candidate_info_struct)); k++; } } selection_candidate_step_2_count = k; drc_set_target_loudness_val_upper_min = 100; k = 0; for (i = 0; i < selection_candidate_step_2_count; i++) { str_drc_instruction_str = &(pstr_drc_config->str_drc_instruction_str [selection_candidate_info_step_2[i].drc_instructions_index]); if (str_drc_instruction_str->drc_set_target_loudness_present != 1) { return UNEXPECTED_ERROR; } if (drc_set_target_loudness_val_upper_min >= str_drc_instruction_str->drc_set_target_loudness_value_upper) { if (drc_set_target_loudness_val_upper_min > str_drc_instruction_str->drc_set_target_loudness_value_upper) { drc_set_target_loudness_val_upper_min = str_drc_instruction_str->drc_set_target_loudness_value_upper; k = 0; } memcpy(&selection_candidate_info_step_2[k], &selection_candidate_info_step_2[i], sizeof(ia_selection_candidate_info_struct)); k++; } } selection_candidate_step_2_count = k; } else if (k == selection_candidate_step_2_count) { drc_set_target_loudness_val_upper_min = 100; k = 0; for (i = 0; i < selection_candidate_step_2_count; i++) { str_drc_instruction_str = &(pstr_drc_config->str_drc_instruction_str [selection_candidate_info_step_2[i].drc_instructions_index]); if (str_drc_instruction_str->drc_set_target_loudness_present != 1) { return UNEXPECTED_ERROR; } if (drc_set_target_loudness_val_upper_min >= str_drc_instruction_str->drc_set_target_loudness_value_upper) { if (drc_set_target_loudness_val_upper_min > str_drc_instruction_str->drc_set_target_loudness_value_upper) { drc_set_target_loudness_val_upper_min = str_drc_instruction_str->drc_set_target_loudness_value_upper; k = 0; } memcpy(&selection_candidate_info_step_2[k], &selection_candidate_info_step_2[i], sizeof(ia_selection_candidate_info_struct)); k++; } } selection_candidate_step_2_count = k; } k = 0; output_level_max = -1000.0f; for (i = 0; i < selection_candidate_step_2_count; i++) { if ((selection_candidate_info_step_2[i].output_peak_level <= 0.0f) && (output_level_max <= selection_candidate_info_step_2[i].output_peak_level)) { if (output_level_max < selection_candidate_info_step_2[i].output_peak_level) { output_level_max = selection_candidate_info_step_2[i].output_peak_level; k = 0; } memcpy(&selection_candidate_info_step_2[k], &selection_candidate_info_step_2[i], sizeof(ia_selection_candidate_info_struct)); k++; output_level_max = selection_candidate_info_step_2[i].output_peak_level; } } selection_candidate_step_2_count = k; } drc_set_id_max = -1000; for (i = 0; i < selection_candidate_step_2_count; i++) { str_drc_instruction_str = &(pstr_drc_config->str_drc_instruction_str [selection_candidate_info_step_2[i].drc_instructions_index]); if (drc_set_id_max < str_drc_instruction_str->drc_set_id) { drc_set_id_max = str_drc_instruction_str->drc_set_id; memcpy(&selection_candidate_info_step_2[0], &selection_candidate_info_step_2[i], sizeof(ia_selection_candidate_info_struct)); } } memcpy(&selection_candidate_info[0], &selection_candidate_info_step_2[0], sizeof(ia_selection_candidate_info_struct)); *selection_candidate_count = 1; return 0; } WORD32 impd_select_drc_set(ia_drc_sel_pro_struct* pstr_drc_uni_sel_proc, WORD32* drc_set_id_selected, WORD32* eq_set_id_selected, WORD32* loud_eq_id_sel) { WORD32 i, err; ia_drc_sel_proc_params_struct* pstr_drc_sel_proc_params_struct = &pstr_drc_uni_sel_proc->uni_drc_sel_proc_params; ia_drc_config* pstr_drc_config = &pstr_drc_uni_sel_proc->drc_config; ia_drc_loudness_info_set_struct* pstr_loudness_info = &pstr_drc_uni_sel_proc->loudness_info_set; WORD32 selection_candidate_count = 0; WORD32 restrict_to_drc_with_album_loudness = 0; ia_selection_candidate_info_struct selection_candidate_info[SELECTION_CANDIDATE_COUNT_MAX]; // WORD32 selected_eq_set_count = 0; if (pstr_drc_sel_proc_params_struct->album_mode == 1) { restrict_to_drc_with_album_loudness = 1; } while (!selection_candidate_count) { err = impd_drc_set_preselection( pstr_drc_sel_proc_params_struct, pstr_drc_config, pstr_loudness_info, restrict_to_drc_with_album_loudness, pstr_drc_uni_sel_proc, &selection_candidate_count, selection_candidate_info); if (err) return err; if (selection_candidate_count == 0) { if (restrict_to_drc_with_album_loudness == 1) { restrict_to_drc_with_album_loudness = 0; continue; } else { return (UNEXPECTED_ERROR); } } err = impd_validate_requested_drc_feature(pstr_drc_sel_proc_params_struct); if (err) return (err); if (pstr_drc_sel_proc_params_struct->dynamic_range_control_on == 1) { if (pstr_drc_sel_proc_params_struct->num_drc_feature_requests > 0) { for (i = 0; i < pstr_drc_sel_proc_params_struct->num_drc_feature_requests; i++) { switch (pstr_drc_sel_proc_params_struct->drc_feature_req_type[i]) { case MATCH_EFFECT_TYPE: err = impd_match_effect_types( pstr_drc_config, pstr_drc_sel_proc_params_struct->requested_num_drc_effects[i], pstr_drc_sel_proc_params_struct ->desired_num_drc_effects_of_requested[i], pstr_drc_sel_proc_params_struct->requested_drc_effect_type[i], &selection_candidate_count, selection_candidate_info); if (err) return (err); break; case MATCH_DYNAMIC_RANGE: err = impd_match_dynamic_range( pstr_drc_config, pstr_loudness_info, pstr_drc_sel_proc_params_struct, i, &selection_candidate_count, selection_candidate_info); if (err) return (err); break; case MATCH_DRC_CHARACTERISTIC: err = impd_match_drc_characteristic( pstr_drc_config, pstr_drc_sel_proc_params_struct ->requested_drc_characteristic[i], &selection_candidate_count, selection_candidate_info); if (err) return (err); break; default: return (UNEXPECTED_ERROR); break; } } } else { WORD32 match_found_flag = 0; err = impd_select_drcs_without_compr_effects( pstr_drc_config, &match_found_flag, &selection_candidate_count, selection_candidate_info); if (err) return (err); if (match_found_flag == 0) { WORD32 requested_num_drc_effects = 5; WORD32 desired_num_drc_effects_of_requested = 1; WORD32 requested_drc_effect_type[5] = { EFFECT_TYPE_REQUESTED_GENERAL_COMPR, EFFECT_TYPE_REQUESTED_NIGHT, EFFECT_TYPE_REQUESTED_NOISY, EFFECT_TYPE_REQUESTED_LIMITED, EFFECT_TYPE_REQUESTED_LOWLEVEL}; err = impd_match_effect_types( pstr_drc_config, requested_num_drc_effects, desired_num_drc_effects_of_requested, requested_drc_effect_type, &selection_candidate_count, selection_candidate_info); if (err) return (err); } } if (selection_candidate_count > 0) { err = impd_drc_set_final_selection( pstr_drc_config, pstr_drc_sel_proc_params_struct, &selection_candidate_count, selection_candidate_info, pstr_drc_uni_sel_proc->eq_set_id_valid_flag); if (err) return (err); } else { selection_candidate_count = 0; return (UNEXPECTED_ERROR); } } if (selection_candidate_count == 0) { if (restrict_to_drc_with_album_loudness == 1) { restrict_to_drc_with_album_loudness = 0; } else { return (UNEXPECTED_ERROR); } } } *drc_set_id_selected = pstr_drc_config ->str_drc_instruction_str[selection_candidate_info[0] .drc_instructions_index] .drc_set_id; *eq_set_id_selected = selection_candidate_info[0].eq_set_id; err = impd_select_loud_eq( pstr_drc_config, pstr_drc_sel_proc_params_struct->requested_dwnmix_id [selection_candidate_info[0].downmix_id_request_index], *drc_set_id_selected, *eq_set_id_selected, loud_eq_id_sel); if (err) return (err); if (selection_candidate_count > 0) { pstr_drc_uni_sel_proc->uni_drc_sel_proc_output .loudness_normalization_gain_db = selection_candidate_info[0].loudness_norm_db_gain_adjusted; pstr_drc_uni_sel_proc->uni_drc_sel_proc_output.output_peak_level_db = selection_candidate_info[0].output_peak_level; pstr_drc_uni_sel_proc->uni_drc_sel_proc_output.output_loudness = selection_candidate_info[0].output_loudness; pstr_drc_uni_sel_proc->uni_drc_sel_proc_output.active_downmix_id = pstr_drc_sel_proc_params_struct->requested_dwnmix_id [selection_candidate_info[0].downmix_id_request_index]; pstr_drc_uni_sel_proc->uni_drc_sel_proc_output.mixing_level = selection_candidate_info[0].mixing_level; } return (0); }