| /****************************************************************************** |
| * |
| * 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 <stdio.h> |
| #include <math.h> |
| |
| #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_filter_bank.h" |
| #include "impd_drc_rom.h" |
| VOID impd_signal_peak_level_info( |
| ia_drc_config* pstr_drc_config, |
| ia_drc_loudness_info_set_struct* pstr_loudness_info, |
| ia_drc_instructions_struct* str_drc_instruction_str, |
| WORD32 requested_dwnmix_id, WORD32 album_mode, |
| WORD32 num_compression_eq_count, WORD32* num_compression_eq_id, |
| WORD32* peak_info_count, WORD32 eq_set_id[], FLOAT32 signal_peak_level[], |
| WORD32 explicit_peak_information_present[]) { |
| WORD32 c, d, i, k, n, base_channel_count, mode; |
| WORD32 pre_lim_count; |
| WORD32 peak_count = 0; |
| WORD32 loudness_info_count = 0; |
| ia_loudness_info_struct* loudness_info; |
| FLOAT32 sum, max_sum; |
| WORD32 drc_set_id_requested = str_drc_instruction_str->drc_set_id; |
| WORD32 loudness_drc_set_id_requested; |
| WORD32 match_found_flag = 0; |
| |
| FLOAT32 signal_peak_level_tmp; |
| eq_set_id[0] = 0; |
| signal_peak_level[0] = 0.0f; |
| explicit_peak_information_present[0] = 0; |
| |
| k = 0; |
| if (drc_set_id_requested < 0) { |
| for (k = 0; k < num_compression_eq_count; k++) { |
| eq_set_id[k] = num_compression_eq_id[k]; |
| signal_peak_level[k] = 0.0f; |
| explicit_peak_information_present[k] = 0; |
| } |
| } |
| eq_set_id[k] = 0; |
| signal_peak_level[k] = 0.0f; |
| explicit_peak_information_present[k] = 0; |
| k++; |
| |
| pre_lim_count = k; |
| |
| if (drc_set_id_requested < 0) { |
| loudness_drc_set_id_requested = 0; |
| } else { |
| loudness_drc_set_id_requested = drc_set_id_requested; |
| } |
| |
| if (album_mode == 1) { |
| mode = 1; |
| loudness_info_count = pstr_loudness_info->loudness_info_album_count; |
| } else { |
| mode = 0; |
| loudness_info_count = pstr_loudness_info->loudness_info_count; |
| } |
| |
| for (n = 0; n < loudness_info_count; n++) { |
| if (mode == 1) { |
| loudness_info = &(pstr_loudness_info->str_loudness_info_album[n]); |
| } else { |
| loudness_info = &(pstr_loudness_info->loudness_info[n]); |
| } |
| if (loudness_drc_set_id_requested == loudness_info->drc_set_id && |
| requested_dwnmix_id == loudness_info->downmix_id) { |
| if (loudness_info->true_peak_level_present) { |
| eq_set_id[peak_count] = loudness_info->eq_set_id; |
| |
| signal_peak_level[peak_count] = loudness_info->true_peak_level; |
| explicit_peak_information_present[peak_count] = 1; |
| |
| match_found_flag = 1; |
| peak_count++; |
| } |
| if (match_found_flag == 0) { |
| if (loudness_info->sample_peak_level_present) { |
| eq_set_id[peak_count] = loudness_info->eq_set_id; |
| |
| signal_peak_level[peak_count] = loudness_info->sample_peak_level; |
| explicit_peak_information_present[peak_count] = 1; |
| |
| match_found_flag = 1; |
| peak_count++; |
| } |
| } |
| } |
| } |
| if (match_found_flag == 0) { |
| for (n = 0; n < loudness_info_count; n++) { |
| if (mode == 1) { |
| loudness_info = &(pstr_loudness_info->str_loudness_info_album[n]); |
| } else { |
| loudness_info = &(pstr_loudness_info->loudness_info[n]); |
| } |
| if (ID_FOR_ANY_DRC == loudness_info->drc_set_id && |
| requested_dwnmix_id == loudness_info->downmix_id) { |
| if (loudness_info->true_peak_level_present) { |
| eq_set_id[peak_count] = loudness_info->eq_set_id; |
| |
| signal_peak_level[peak_count] = loudness_info->true_peak_level; |
| explicit_peak_information_present[peak_count] = 1; |
| |
| match_found_flag = 1; |
| peak_count++; |
| } |
| if (match_found_flag == 0) { |
| if (loudness_info->sample_peak_level_present) { |
| eq_set_id[peak_count] = loudness_info->eq_set_id; |
| |
| signal_peak_level[peak_count] = loudness_info->sample_peak_level; |
| explicit_peak_information_present[peak_count] = 1; |
| |
| match_found_flag = 1; |
| peak_count++; |
| } |
| } |
| } |
| } |
| } |
| if (match_found_flag == 0) { |
| for (i = 0; i < str_drc_instruction_str->dwnmix_id_count; i++) { |
| if (requested_dwnmix_id == str_drc_instruction_str->downmix_id[0] || |
| ID_FOR_ANY_DOWNMIX == str_drc_instruction_str->downmix_id[0]) { |
| if (str_drc_instruction_str->limiter_peak_target_present) { |
| if (str_drc_instruction_str->requires_eq == 1) { |
| for (d = 0; |
| d < pstr_drc_config->str_drc_config_ext.eq_instructions_count; |
| d++) { |
| ia_eq_instructions_struct* eq_instructions = |
| &pstr_drc_config->str_drc_config_ext.str_eq_instructions[d]; |
| for (c = 0; c < eq_instructions->drc_set_id_count; c++) { |
| if ((eq_instructions->drc_set_id[c] == |
| loudness_drc_set_id_requested) || |
| (eq_instructions->drc_set_id[c] == ID_FOR_ANY_DRC)) { |
| for (i = 0; i < eq_instructions->dwnmix_id_count; i++) { |
| if ((eq_instructions->downmix_id[i] == |
| requested_dwnmix_id) || |
| (eq_instructions->downmix_id[i] == |
| ID_FOR_ANY_DOWNMIX)) { |
| eq_set_id[peak_count] = eq_instructions->eq_set_id; |
| signal_peak_level[peak_count] = |
| str_drc_instruction_str->limiter_peak_target; |
| explicit_peak_information_present[peak_count] = 1; |
| match_found_flag = 1; |
| peak_count++; |
| } |
| } |
| } |
| } |
| } |
| } else |
| |
| { |
| eq_set_id[peak_count] = 0; |
| signal_peak_level[peak_count] = |
| str_drc_instruction_str->limiter_peak_target; |
| explicit_peak_information_present[peak_count] = 1; |
| match_found_flag = 1; |
| peak_count++; |
| } |
| } |
| } |
| } |
| } |
| if (match_found_flag == 0) { |
| for (i = 1; i < str_drc_instruction_str->dwnmix_id_count; i++) { |
| if (requested_dwnmix_id == str_drc_instruction_str->downmix_id[i]) { |
| if (str_drc_instruction_str->limiter_peak_target_present) { |
| { |
| eq_set_id[peak_count] = 0; |
| signal_peak_level[peak_count] = |
| str_drc_instruction_str->limiter_peak_target; |
| explicit_peak_information_present[peak_count] = 1; |
| match_found_flag = 1; |
| peak_count++; |
| } |
| } |
| } |
| } |
| } |
| if (match_found_flag == 0) { |
| if (requested_dwnmix_id != ID_FOR_BASE_LAYOUT) { |
| signal_peak_level_tmp = 0.f; |
| for (i = 0; i < pstr_drc_config->dwnmix_instructions_count; i++) { |
| if (pstr_drc_config->dwnmix_instructions[i].downmix_id == |
| requested_dwnmix_id) { |
| if (pstr_drc_config->dwnmix_instructions[i] |
| .downmix_coefficients_present) { |
| base_channel_count = |
| pstr_drc_config->channel_layout.base_channel_count; |
| max_sum = 0.0f; |
| for (c = 0; |
| c < |
| pstr_drc_config->dwnmix_instructions[i].target_channel_count; |
| c++) { |
| sum = 0.0f; |
| for (d = 0; d < base_channel_count; d++) { |
| sum += pstr_drc_config->dwnmix_instructions[i] |
| .downmix_coefficient[c * base_channel_count + d]; |
| } |
| if (max_sum < sum) max_sum = sum; |
| } |
| signal_peak_level_tmp = 20.0f * (FLOAT32)log10(max_sum); |
| } else { |
| } |
| break; |
| } |
| } |
| for (n = 0; n < loudness_info_count; n++) { |
| if (mode == 1) { |
| loudness_info = &(pstr_loudness_info->str_loudness_info_album[n]); |
| } else { |
| loudness_info = &(pstr_loudness_info->loudness_info[n]); |
| } |
| if (loudness_drc_set_id_requested == loudness_info->drc_set_id && |
| ID_FOR_BASE_LAYOUT == loudness_info->downmix_id) { |
| if (loudness_info->true_peak_level_present) { |
| eq_set_id[peak_count] = loudness_info->eq_set_id; |
| |
| signal_peak_level[peak_count] = |
| loudness_info->true_peak_level + signal_peak_level_tmp; |
| explicit_peak_information_present[peak_count] = 0; |
| |
| match_found_flag = 1; |
| peak_count++; |
| } |
| if (match_found_flag == 0) { |
| if (loudness_info->sample_peak_level_present) { |
| eq_set_id[peak_count] = loudness_info->eq_set_id; |
| |
| signal_peak_level[peak_count] = |
| loudness_info->sample_peak_level + signal_peak_level_tmp; |
| explicit_peak_information_present[peak_count] = 0; |
| |
| match_found_flag = 1; |
| peak_count++; |
| } |
| } |
| } |
| } |
| if (match_found_flag == 0) { |
| for (n = 0; n < loudness_info_count; n++) { |
| if (mode == 1) { |
| loudness_info = &(pstr_loudness_info->str_loudness_info_album[n]); |
| } else { |
| loudness_info = &(pstr_loudness_info->loudness_info[n]); |
| } |
| if (ID_FOR_ANY_DRC == loudness_info->drc_set_id && |
| ID_FOR_BASE_LAYOUT == loudness_info->downmix_id) { |
| if (loudness_info->true_peak_level_present) { |
| eq_set_id[peak_count] = loudness_info->eq_set_id; |
| |
| signal_peak_level[peak_count] = |
| loudness_info->true_peak_level + signal_peak_level_tmp; |
| explicit_peak_information_present[peak_count] = 0; |
| |
| match_found_flag = 1; |
| peak_count++; |
| } |
| if (match_found_flag == 0) { |
| if (loudness_info->sample_peak_level_present) { |
| eq_set_id[peak_count] = loudness_info->eq_set_id; |
| |
| signal_peak_level[peak_count] = |
| loudness_info->sample_peak_level + signal_peak_level_tmp; |
| explicit_peak_information_present[peak_count] = 0; |
| |
| match_found_flag = 1; |
| peak_count++; |
| } |
| } |
| } |
| } |
| } |
| if (match_found_flag == 0) { |
| ia_drc_instructions_struct* drc_instructions_drc_tmp; |
| for (n = 0; n < pstr_drc_config->drc_instructions_count_plus; n++) { |
| drc_instructions_drc_tmp = |
| &pstr_drc_config->str_drc_instruction_str[n]; |
| if (loudness_drc_set_id_requested == |
| drc_instructions_drc_tmp->drc_set_id) { |
| if (ID_FOR_BASE_LAYOUT == drc_instructions_drc_tmp->downmix_id[0]) { |
| if (drc_instructions_drc_tmp->limiter_peak_target_present) { |
| eq_set_id[peak_count] = -1; |
| signal_peak_level[peak_count] = |
| drc_instructions_drc_tmp->limiter_peak_target + |
| signal_peak_level_tmp; |
| explicit_peak_information_present[peak_count] = 0; |
| match_found_flag = 1; |
| peak_count++; |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
| if (peak_count > 0) { |
| *peak_info_count = peak_count; |
| } else { |
| *peak_info_count = pre_lim_count; |
| } |
| return; |
| } |
| |
| WORD32 |
| impd_extract_loudness_peak_to_average_info( |
| ia_loudness_info_struct* loudness_info, WORD32 dyn_range_measurement_type, |
| WORD32* loudness_peak_2_avg_value_present, |
| FLOAT32* loudness_peak_2_avg_value) { |
| WORD32 k; |
| WORD32 program_loudness_present = 0; |
| WORD32 peak_loudness_present = 0; |
| WORD32 match_measure_program_loudness = 0; |
| WORD32 match_measure_peak_loudness = 0; |
| FLOAT32 program_loudness = 0.0f; |
| FLOAT32 peak_loudness = 0.0f; |
| ia_loudness_measure_struct* loudness_measure = NULL; |
| |
| for (k = 0; k < loudness_info->measurement_count; k++) { |
| loudness_measure = &(loudness_info->loudness_measure[k]); |
| if (loudness_measure->method_def == METHOD_DEFINITION_PROGRAM_LOUDNESS) { |
| if (match_measure_program_loudness < |
| measurement_method_prog_loudness_tbl[loudness_measure |
| ->measurement_system]) { |
| program_loudness = loudness_measure->method_val; |
| program_loudness_present = 1; |
| match_measure_program_loudness = |
| measurement_method_prog_loudness_tbl[loudness_measure |
| ->measurement_system]; |
| } |
| } |
| switch (dyn_range_measurement_type) { |
| case SHORT_TERM_LOUDNESS_TO_AVG: |
| if (loudness_measure->method_def == |
| METHOD_DEFINITION_SHORT_TERM_LOUDNESS_MAX) { |
| if (match_measure_peak_loudness < |
| measurement_method_peak_loudness_tbl[loudness_measure |
| ->measurement_system]) { |
| peak_loudness = loudness_measure->method_val; |
| peak_loudness_present = 1; |
| match_measure_peak_loudness = |
| measurement_method_peak_loudness_tbl[loudness_measure |
| ->measurement_system]; |
| } |
| } |
| break; |
| |
| case MOMENTARY_LOUDNESS_TO_AVG: |
| if (loudness_measure->method_def == |
| METHOD_DEFINITION_MOMENTARY_LOUDNESS_MAX) { |
| if (match_measure_peak_loudness < |
| measurement_method_peak_loudness_tbl[loudness_measure |
| ->measurement_system]) { |
| peak_loudness = loudness_measure->method_val; |
| peak_loudness_present = 1; |
| match_measure_peak_loudness = |
| measurement_method_peak_loudness_tbl[loudness_measure |
| ->measurement_system]; |
| } |
| } |
| break; |
| |
| case TOP_OF_LOUDNESS_RANGE_TO_AVG: |
| if (loudness_measure->method_def == |
| METHOD_DEFINITION_MAX_OF_LOUDNESS_RANGE) { |
| if (match_measure_peak_loudness < |
| measurement_method_peak_loudness_tbl[loudness_measure |
| ->measurement_system]) { |
| peak_loudness = loudness_measure->method_val; |
| peak_loudness_present = 1; |
| match_measure_peak_loudness = |
| measurement_method_peak_loudness_tbl[loudness_measure |
| ->measurement_system]; |
| } |
| } |
| break; |
| |
| default: |
| return (UNEXPECTED_ERROR); |
| |
| break; |
| } |
| } |
| if ((program_loudness_present == 1) && (peak_loudness_present == 1)) { |
| *loudness_peak_2_avg_value = peak_loudness - program_loudness; |
| *loudness_peak_2_avg_value_present = 1; |
| } |
| return (0); |
| } |
| |
| WORD32 impd_loudness_peak_to_average_info( |
| ia_drc_loudness_info_set_struct* pstr_loudness_info, |
| ia_drc_instructions_struct* str_drc_instruction_str, |
| WORD32 requested_dwnmix_id, WORD32 dyn_range_measurement_type, |
| WORD32 album_mode, WORD32* loudness_peak_2_avg_value_present, |
| FLOAT32* loudness_peak_2_avg_value) { |
| WORD32 n, err; |
| WORD32 drc_set_id = max(0, str_drc_instruction_str->drc_set_id); |
| |
| *loudness_peak_2_avg_value_present = 0; |
| |
| if (album_mode == 1) { |
| for (n = 0; n < pstr_loudness_info->loudness_info_album_count; n++) { |
| ia_loudness_info_struct* loudness_info = |
| &(pstr_loudness_info->str_loudness_info_album[n]); |
| if (drc_set_id == loudness_info->drc_set_id) { |
| if (requested_dwnmix_id == loudness_info->downmix_id) { |
| err = impd_extract_loudness_peak_to_average_info( |
| loudness_info, dyn_range_measurement_type, |
| loudness_peak_2_avg_value_present, loudness_peak_2_avg_value); |
| if (err) return (err); |
| } |
| } |
| } |
| } |
| if (*loudness_peak_2_avg_value_present == 0) { |
| for (n = 0; n < pstr_loudness_info->loudness_info_count; n++) { |
| ia_loudness_info_struct* loudness_info = |
| &(pstr_loudness_info->loudness_info[n]); |
| if (drc_set_id == loudness_info->drc_set_id) { |
| if (requested_dwnmix_id == loudness_info->downmix_id) { |
| err = impd_extract_loudness_peak_to_average_info( |
| loudness_info, dyn_range_measurement_type, |
| loudness_peak_2_avg_value_present, loudness_peak_2_avg_value); |
| if (err) return (err); |
| } |
| } |
| } |
| } |
| return (0); |
| } |
| |
| VOID impd_overall_loudness_present(ia_loudness_info_struct* loudness_info, |
| WORD32* loudness_info_present) { |
| WORD32 m; |
| |
| *loudness_info_present = 0; |
| for (m = 0; m < loudness_info->measurement_count; m++) { |
| if ((loudness_info->loudness_measure[m].method_def == |
| METHOD_DEFINITION_PROGRAM_LOUDNESS) || |
| (loudness_info->loudness_measure[m].method_def == |
| METHOD_DEFINITION_ANCHOR_LOUDNESS)) { |
| *loudness_info_present = 1; |
| } |
| } |
| return; |
| } |
| |
| WORD32 impd_check_loud_info(WORD32 loudness_info_count, |
| ia_loudness_info_struct* loudness_info, |
| WORD32 requested_dwnmix_id, |
| WORD32 drc_set_id_requested, WORD32* info_count, |
| ia_loudness_info_struct* loudness_info_matching[]) { |
| WORD32 n; |
| WORD32 loudness_info_present; |
| for (n = 0; n < loudness_info_count; n++) { |
| if (requested_dwnmix_id == loudness_info[n].downmix_id) { |
| if (drc_set_id_requested == loudness_info[n].drc_set_id) { |
| impd_overall_loudness_present(&(loudness_info[n]), |
| &loudness_info_present); |
| |
| if (loudness_info_present) { |
| loudness_info_matching[*info_count] = &(loudness_info[n]); |
| (*info_count)++; |
| } |
| } |
| } |
| } |
| |
| return (0); |
| } |
| |
| WORD32 impd_check_loud_payload( |
| WORD32 loudness_info_count, ia_loudness_info_struct* loudness_info, |
| WORD32 requested_dwnmix_id, WORD32 drc_set_id_requested, WORD32* info_count, |
| ia_loudness_info_struct* loudness_info_matching[]) { |
| WORD32 err = 0; |
| |
| err = impd_check_loud_info(loudness_info_count, loudness_info, |
| requested_dwnmix_id, drc_set_id_requested, |
| info_count, loudness_info_matching); |
| if (err || *info_count) goto matchEnd; |
| err = impd_check_loud_info(loudness_info_count, loudness_info, |
| ID_FOR_ANY_DOWNMIX, drc_set_id_requested, |
| info_count, loudness_info_matching); |
| if (err || *info_count) goto matchEnd; |
| err = impd_check_loud_info(loudness_info_count, loudness_info, |
| requested_dwnmix_id, ID_FOR_ANY_DRC, info_count, |
| loudness_info_matching); |
| if (err || *info_count) goto matchEnd; |
| err = impd_check_loud_info(loudness_info_count, loudness_info, |
| requested_dwnmix_id, ID_FOR_NO_DRC, info_count, |
| loudness_info_matching); |
| if (err || *info_count) goto matchEnd; |
| err = impd_check_loud_info(loudness_info_count, loudness_info, |
| ID_FOR_ANY_DOWNMIX, ID_FOR_ANY_DRC, info_count, |
| loudness_info_matching); |
| if (err || *info_count) goto matchEnd; |
| err = impd_check_loud_info(loudness_info_count, loudness_info, |
| ID_FOR_ANY_DOWNMIX, ID_FOR_NO_DRC, info_count, |
| loudness_info_matching); |
| if (err || *info_count) goto matchEnd; |
| err = impd_check_loud_info(loudness_info_count, loudness_info, |
| ID_FOR_BASE_LAYOUT, drc_set_id_requested, |
| info_count, loudness_info_matching); |
| if (err || *info_count) goto matchEnd; |
| err = impd_check_loud_info(loudness_info_count, loudness_info, |
| ID_FOR_BASE_LAYOUT, ID_FOR_ANY_DRC, info_count, |
| loudness_info_matching); |
| if (err || *info_count) goto matchEnd; |
| err = impd_check_loud_info(loudness_info_count, loudness_info, |
| ID_FOR_BASE_LAYOUT, ID_FOR_NO_DRC, info_count, |
| loudness_info_matching); |
| if (err || *info_count) goto matchEnd; |
| matchEnd: |
| return (err); |
| } |
| |
| WORD32 impd_find_overall_loudness_info( |
| ia_drc_sel_proc_params_struct* pstr_drc_sel_proc_params_struct, |
| ia_drc_loudness_info_set_struct* pstr_loudness_info, |
| WORD32 requested_dwnmix_id, WORD32 drc_set_id_requested, |
| WORD32* overall_loudness_info_present, WORD32* info_count, |
| ia_loudness_info_struct* loudness_info_matching[]) { |
| WORD32 err; |
| WORD32 loudness_drc_set_id_requested; |
| |
| *info_count = 0; |
| if (drc_set_id_requested < 0) { |
| loudness_drc_set_id_requested = ID_FOR_NO_DRC; |
| } else { |
| loudness_drc_set_id_requested = drc_set_id_requested; |
| } |
| if (pstr_drc_sel_proc_params_struct->album_mode == 1) { |
| err = impd_check_loud_payload( |
| pstr_loudness_info->loudness_info_album_count, |
| pstr_loudness_info->str_loudness_info_album, requested_dwnmix_id, |
| loudness_drc_set_id_requested, info_count, loudness_info_matching); |
| if (err) return (err); |
| } |
| if (*info_count == 0) { |
| err = impd_check_loud_payload(pstr_loudness_info->loudness_info_count, |
| pstr_loudness_info->loudness_info, |
| requested_dwnmix_id, |
| loudness_drc_set_id_requested, |
| |
| info_count, loudness_info_matching); |
| if (err) return (err); |
| } |
| *overall_loudness_info_present = (*info_count > 0); |
| return (0); |
| } |
| |
| WORD32 |
| impd_high_pass_loudness_adjust_info(ia_loudness_info_struct* loudness_info, |
| WORD32* loudness_hp_adjust_present, |
| FLOAT32* loudness_hp_adjust) { |
| WORD32 m, k; |
| |
| *loudness_hp_adjust_present = 0; |
| *loudness_hp_adjust = 0.0f; |
| for (m = 0; m < loudness_info->measurement_count; m++) { |
| if (loudness_info->loudness_measure[m].measurement_system == |
| MEASUREMENT_SYSTEM_BS_1770_4_PRE_PROCESSING) { |
| for (k = 0; k < loudness_info->measurement_count; k++) { |
| if (loudness_info->loudness_measure[k].measurement_system == |
| MEASUREMENT_SYSTEM_BS_1770_4) { |
| if (loudness_info->loudness_measure[m].method_def == |
| loudness_info->loudness_measure[k].method_def) { |
| *loudness_hp_adjust_present = 1; |
| *loudness_hp_adjust = |
| loudness_info->loudness_measure[m].method_val - |
| loudness_info->loudness_measure[k].method_val; |
| } |
| } |
| } |
| } |
| } |
| return (0); |
| } |
| |
| WORD32 impd_find_high_pass_loudness_adjust( |
| ia_drc_loudness_info_set_struct* pstr_loudness_info, |
| WORD32 requested_dwnmix_id, WORD32 drc_set_id_requested, WORD32 album_mode, |
| FLOAT32 device_cutoff_freq, WORD32* loudness_hp_adjust_present, |
| FLOAT32* loudness_hp_adjust) { |
| WORD32 n, err; |
| WORD32 loudness_drc_set_id_requested; |
| |
| if (drc_set_id_requested < 0) { |
| loudness_drc_set_id_requested = 0; |
| } else { |
| loudness_drc_set_id_requested = drc_set_id_requested; |
| } |
| |
| *loudness_hp_adjust_present = 0; |
| |
| if (album_mode == 1) { |
| for (n = 0; n < pstr_loudness_info->loudness_info_album_count; n++) { |
| if ((requested_dwnmix_id == |
| pstr_loudness_info->str_loudness_info_album[n].downmix_id) || |
| (ID_FOR_ANY_DOWNMIX == |
| pstr_loudness_info->str_loudness_info_album[n].downmix_id)) { |
| if (loudness_drc_set_id_requested == |
| pstr_loudness_info->str_loudness_info_album[n].drc_set_id) { |
| err = impd_high_pass_loudness_adjust_info( |
| &(pstr_loudness_info->loudness_info[n]), |
| loudness_hp_adjust_present, loudness_hp_adjust); |
| if (err) return (err); |
| } |
| } |
| } |
| } |
| if (*loudness_hp_adjust_present == 0) { |
| for (n = 0; n < pstr_loudness_info->loudness_info_count; n++) { |
| if ((requested_dwnmix_id == |
| pstr_loudness_info->loudness_info[n].downmix_id) || |
| (ID_FOR_ANY_DOWNMIX == |
| pstr_loudness_info->loudness_info[n].downmix_id)) { |
| if (loudness_drc_set_id_requested == |
| pstr_loudness_info->loudness_info[n].drc_set_id) { |
| err = impd_high_pass_loudness_adjust_info( |
| &(pstr_loudness_info->loudness_info[n]), |
| loudness_hp_adjust_present, loudness_hp_adjust); |
| if (err) return (err); |
| } |
| } |
| } |
| } |
| if (*loudness_hp_adjust_present == 0) { |
| for (n = 0; n < pstr_loudness_info->loudness_info_count; n++) { |
| if (ID_FOR_BASE_LAYOUT == |
| pstr_loudness_info->loudness_info[n].downmix_id) /* base layout */ |
| { |
| if (loudness_drc_set_id_requested == |
| pstr_loudness_info->loudness_info[n].drc_set_id) { |
| err = impd_high_pass_loudness_adjust_info( |
| &(pstr_loudness_info->loudness_info[n]), |
| loudness_hp_adjust_present, loudness_hp_adjust); |
| if (err) return (err); |
| } |
| } |
| } |
| } |
| if (*loudness_hp_adjust_present == 0) { |
| for (n = 0; n < pstr_loudness_info->loudness_info_count; n++) { |
| if (ID_FOR_BASE_LAYOUT == |
| pstr_loudness_info->loudness_info[n].downmix_id) /* base layout */ |
| { |
| if (0 == pstr_loudness_info->loudness_info[n].drc_set_id) { |
| err = impd_high_pass_loudness_adjust_info( |
| &(pstr_loudness_info->loudness_info[n]), |
| loudness_hp_adjust_present, loudness_hp_adjust); |
| if (err) return (err); |
| } |
| } |
| } |
| } |
| if (*loudness_hp_adjust_present == 0) { |
| *loudness_hp_adjust = 0.0f; |
| } else { |
| *loudness_hp_adjust *= |
| (max(20.0f, min(500.0f, device_cutoff_freq)) - 20.0f) / |
| (500.0f - 20.0f); |
| } |
| return (0); |
| } |
| |
| WORD32 impd_init_loudness_control( |
| ia_drc_sel_proc_params_struct* pstr_drc_sel_proc_params_struct, |
| ia_drc_loudness_info_set_struct* pstr_loudness_info, |
| WORD32 requested_dwnmix_id, WORD32 drc_set_id_requested, |
| WORD32 num_compression_eq_count, WORD32* num_compression_eq_id, |
| WORD32* loudness_info_count, WORD32 eq_set_id[], |
| FLOAT32 loudness_normalization_gain_db[], FLOAT32 loudness[]) { |
| WORD32 err, k, info_count = 0, pre_lim_count; |
| WORD32 loudness_hp_adjust_present; |
| WORD32 overall_loudness_info_present; |
| FLOAT32 pre_proc_adjust; |
| |
| k = 0; |
| if (drc_set_id_requested < 0) { |
| for (k = 0; k < num_compression_eq_count; k++) { |
| eq_set_id[k] = num_compression_eq_id[k]; |
| loudness[k] = UNDEFINED_LOUDNESS_VALUE; |
| loudness_normalization_gain_db[k] = 0.0f; |
| } |
| } |
| if (k >= MAX_NUM_COMPRESSION_EQ) return UNEXPECTED_ERROR; |
| eq_set_id[k] = 0; |
| |
| loudness[k] = UNDEFINED_LOUDNESS_VALUE; |
| |
| loudness_normalization_gain_db[k] = 0.0f; |
| k++; |
| |
| pre_lim_count = k; |
| |
| if (pstr_drc_sel_proc_params_struct->loudness_normalization_on == 1) { |
| WORD32 n; |
| ia_loudness_info_struct* loudness_info[16]; |
| err = impd_find_overall_loudness_info( |
| pstr_drc_sel_proc_params_struct, pstr_loudness_info, |
| requested_dwnmix_id, drc_set_id_requested, |
| &overall_loudness_info_present, &info_count, loudness_info); |
| if (err) return (err); |
| |
| if (overall_loudness_info_present == 1) { |
| WORD32 requested_method_definition = METHOD_DEFINITION_PROGRAM_LOUDNESS; |
| WORD32 other_method_definition = METHOD_DEFINITION_PROGRAM_LOUDNESS; |
| WORD32 requested_preprocessing = 0; |
| |
| const WORD32* system_bonus = measurement_system_default_tbl; |
| |
| WORD32 match_measure; |
| FLOAT32 method_val = 0; |
| |
| switch (pstr_drc_sel_proc_params_struct->loudness_measurement_method) { |
| case USER_METHOD_DEFINITION_DEFAULT: |
| case USER_METHOD_DEFINITION_PROGRAM_LOUDNESS: |
| requested_method_definition = METHOD_DEFINITION_PROGRAM_LOUDNESS; |
| other_method_definition = METHOD_DEFINITION_ANCHOR_LOUDNESS; |
| break; |
| case USER_METHOD_DEFINITION_ANCHOR_LOUDNESS: |
| requested_method_definition = METHOD_DEFINITION_ANCHOR_LOUDNESS; |
| other_method_definition = METHOD_DEFINITION_PROGRAM_LOUDNESS; |
| break; |
| |
| default: |
| return (UNEXPECTED_ERROR); |
| break; |
| } |
| |
| switch (pstr_drc_sel_proc_params_struct->loudness_measurement_system) { |
| case USER_MEASUREMENT_SYSTEM_DEFAULT: |
| case USER_MEASUREMENT_SYSTEM_BS_1770_4: |
| system_bonus = measurement_system_bs1770_3_tbl; |
| break; |
| case USER_MEASUREMENT_SYSTEM_USER: |
| system_bonus = measurement_system_user_tbl; |
| break; |
| case USER_MEASUREMENT_SYSTEM_EXPERT_PANEL: |
| system_bonus = measurement_system_expert_tbl; |
| break; |
| case USER_MEASUREMENT_SYSTEM_RESERVED_A: |
| system_bonus = measurement_system_rms_a_tbl; |
| break; |
| case USER_MEASUREMENT_SYSTEM_RESERVED_B: |
| system_bonus = measurement_system_rms_b_tbl; |
| break; |
| case USER_MEASUREMENT_SYSTEM_RESERVED_C: |
| system_bonus = measurement_system_rms_c_tbl; |
| break; |
| case USER_MEASUREMENT_SYSTEM_RESERVED_D: |
| system_bonus = measurement_system_rms_d_tbl; |
| break; |
| case USER_MEASUREMENT_SYSTEM_RESERVED_E: |
| system_bonus = measurement_system_rms_e_tbl; |
| break; |
| |
| default: |
| return (UNEXPECTED_ERROR); |
| break; |
| } |
| |
| switch (pstr_drc_sel_proc_params_struct->loudness_measurement_pre_proc) { |
| case USER_LOUDNESS_PREPROCESSING_DEFAULT: |
| case USER_LOUDNESS_PREPROCESSING_OFF: |
| requested_preprocessing = 0; |
| break; |
| case USER_LOUDNESS_PREPROCESSING_HIGHPASS: |
| requested_preprocessing = 1; |
| break; |
| |
| default: |
| return (UNEXPECTED_ERROR); |
| break; |
| } |
| |
| for (k = 0; k < info_count; k++) { |
| match_measure = -1; |
| for (n = 0; n < loudness_info[k]->measurement_count; n++) { |
| ia_loudness_measure_struct* loudness_measure = |
| &(loudness_info[k]->loudness_measure[n]); |
| if (match_measure < |
| system_bonus[loudness_measure->measurement_system] && |
| requested_method_definition == loudness_measure->method_def) { |
| method_val = loudness_measure->method_val; |
| match_measure = system_bonus[loudness_measure->measurement_system]; |
| } |
| } |
| if (match_measure == -1) { |
| for (n = 0; n < loudness_info[k]->measurement_count; n++) { |
| ia_loudness_measure_struct* loudness_measure = |
| &(loudness_info[k]->loudness_measure[n]); |
| if (match_measure < |
| system_bonus[loudness_measure->measurement_system] && |
| other_method_definition == loudness_measure->method_def) { |
| method_val = loudness_measure->method_val; |
| match_measure = |
| system_bonus[loudness_measure->measurement_system]; |
| } |
| } |
| } |
| |
| if (requested_preprocessing == 1) { |
| err = impd_find_high_pass_loudness_adjust( |
| pstr_loudness_info, requested_dwnmix_id, drc_set_id_requested, |
| pstr_drc_sel_proc_params_struct->album_mode, |
| (FLOAT32) |
| pstr_drc_sel_proc_params_struct->device_cut_off_frequency, |
| &loudness_hp_adjust_present, &pre_proc_adjust); |
| if (err) return (err); |
| |
| if (loudness_hp_adjust_present == 0) { |
| pre_proc_adjust = -2.0f; |
| } |
| method_val += pre_proc_adjust; |
| } |
| |
| eq_set_id[k] = 0; |
| |
| loudness_normalization_gain_db[k] = |
| pstr_drc_sel_proc_params_struct->target_loudness - method_val; |
| loudness[k] = method_val; |
| } |
| } |
| } |
| if (info_count > 0) { |
| *loudness_info_count = info_count; |
| } else { |
| *loudness_info_count = pre_lim_count; |
| } |
| |
| return (0); |
| } |
| |
| #define MIXING_LEVEL_DEFAULT 85.0f |
| WORD32 |
| impd_mixing_level_info( |
| ia_drc_sel_proc_params_struct* pstr_drc_sel_proc_params_struct, |
| ia_drc_loudness_info_set_struct* pstr_loudness_info, |
| WORD32 requested_dwnmix_id, WORD32 drc_set_id_requested, |
| WORD32 eq_set_id_requested, FLOAT32* mixing_level) { |
| WORD32 n, k, info_count; |
| WORD32 album_mode = pstr_drc_sel_proc_params_struct->album_mode; |
| WORD32 loudness_drc_set_id_requested; |
| ia_loudness_info_struct* loudness_info; |
| |
| *mixing_level = MIXING_LEVEL_DEFAULT; |
| if (drc_set_id_requested < 0) { |
| loudness_drc_set_id_requested = 0; |
| } else { |
| loudness_drc_set_id_requested = drc_set_id_requested; |
| } |
| if (album_mode == 1) { |
| info_count = pstr_loudness_info->loudness_info_album_count; |
| loudness_info = pstr_loudness_info->str_loudness_info_album; |
| } else { |
| info_count = pstr_loudness_info->loudness_info_count; |
| loudness_info = pstr_loudness_info->loudness_info; |
| } |
| for (n = 0; n < info_count; n++) { |
| if ((requested_dwnmix_id == loudness_info[n].downmix_id) || |
| (ID_FOR_ANY_DOWNMIX == loudness_info[n].downmix_id)) { |
| if (loudness_drc_set_id_requested == loudness_info[n].drc_set_id) { |
| if (eq_set_id_requested == loudness_info[n].eq_set_id) { |
| for (k = 0; k < loudness_info[n].measurement_count; k++) { |
| if (loudness_info[n].loudness_measure[k].method_def == |
| METHOD_DEFINITION_MIXING_LEVEL) { |
| *mixing_level = loudness_info[n].loudness_measure[k].method_val; |
| break; |
| } |
| } |
| } |
| } |
| } |
| } |
| return (0); |
| } |
