mirror of
https://github.com/ittiam-systems/libxaac.git
synced 2026-04-03 04:40:47 +07:00
3dfa708b6e
* Loudness leveling support for encoder and decoder
- Addition of loudness leveling support to encoder and
decoder as per ISO/IEC 23003-4:2020/Amd.2:2023(E)
Testing:
Encoder: Smoke-test
Decoder: CTS and Conformance for x86, x86_64, armv7 and armv8 are
passing
* Addressed review comments
* Addressed minor nits in documentation
---------
Co-authored-by: Akshay Ragir <100833@ittiam.com>
161 lines
6.9 KiB
C
161 lines
6.9 KiB
C
/******************************************************************************
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*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*****************************************************************************
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* Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <math.h>
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#include <assert.h>
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#include <string.h>
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#include "impd_type_def.h"
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#include "impd_drc_bitbuffer.h"
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#include "impd_drc_common.h"
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#include "impd_drc_interface.h"
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#include "impd_drc_parser_interface.h"
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WORD32
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impd_drc_dec_interface_add_effect_type(ia_drc_interface_struct* pstr_drc_interface,
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WORD32 drc_effect_type, WORD32 target_loudness,
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WORD32 loud_norm, WORD32 album_mode, FLOAT32 boost,
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FLOAT32 compress
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#ifdef LOUDNESS_LEVELING_SUPPORT
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,
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WORD32 loudness_leveling_flag
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#endif
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) {
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WORD32 err = 0;
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WORD32 i = 0;
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if (pstr_drc_interface != NULL) {
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pstr_drc_interface->interface_signat_flag = 0;
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for (i = 0; i < MAX_SIGNATURE_DATA_LENGTH_PLUS_ONE * 8; i++)
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pstr_drc_interface->drc_uni_interface_signature.interface_signat_data[i] =
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0;
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pstr_drc_interface->drc_uni_interface_signature.interface_signat_data_len =
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0;
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pstr_drc_interface->system_interface_flag = 1;
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pstr_drc_interface->system_interface.target_config_request_type = 0;
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pstr_drc_interface->system_interface.num_downmix_id_requests = 0;
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for (i = 0; i < MAX_NUM_DOWNMIX_ID_REQUESTS; i++) {
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pstr_drc_interface->system_interface.requested_dwnmix_id[i] = 0;
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}
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pstr_drc_interface->system_interface.requested_target_layout = 0;
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pstr_drc_interface->system_interface.requested_target_ch_count = 0;
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pstr_drc_interface->loudness_norm_ctrl_interface_flag = 1;
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if (loud_norm == 1) {
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pstr_drc_interface->loudness_norm_ctrl_interface
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.loudness_normalization_on = 1;
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} else {
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pstr_drc_interface->loudness_norm_ctrl_interface
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.loudness_normalization_on = 0;
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}
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pstr_drc_interface->loudness_norm_ctrl_interface.target_loudness =
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(FLOAT32)target_loudness;
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#ifdef LOUDNESS_LEVELING_SUPPORT
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pstr_drc_interface->drc_uni_interface_ext.loudness_leveling_on = loudness_leveling_flag;
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#endif
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pstr_drc_interface->loudness_norm_parameter_interface_flag = 1;
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pstr_drc_interface->loudness_norm_param_interface.album_mode = album_mode;
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pstr_drc_interface->loudness_norm_param_interface.peak_limiter = 0;
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pstr_drc_interface->loudness_norm_param_interface
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.change_loudness_deviation_max = 1;
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pstr_drc_interface->loudness_norm_param_interface.loudness_deviation_max =
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63;
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pstr_drc_interface->loudness_norm_param_interface
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.change_loudness_measur_method = 1;
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pstr_drc_interface->loudness_norm_param_interface
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.loudness_measurement_method = 1;
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pstr_drc_interface->loudness_norm_param_interface
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.change_loudness_measur_system = 1;
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pstr_drc_interface->loudness_norm_param_interface
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.loudness_measurement_system = 1;
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pstr_drc_interface->loudness_norm_param_interface
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.change_loudness_measur_pre_proc = 0;
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pstr_drc_interface->loudness_norm_param_interface
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.loudness_measurement_pre_proc = 0;
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pstr_drc_interface->loudness_norm_param_interface
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.change_device_cut_off_freq = 1;
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pstr_drc_interface->loudness_norm_param_interface.device_cut_off_frequency =
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20;
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pstr_drc_interface->loudness_norm_param_interface
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.change_loudness_norm_gain_db_max = 1;
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pstr_drc_interface->loudness_norm_param_interface
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.loudness_norm_gain_db_max = 1000.0;
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pstr_drc_interface->loudness_norm_param_interface
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.change_loudness_norm_gain_modification_db = 1;
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pstr_drc_interface->loudness_norm_param_interface
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.loudness_norm_gain_modification_db = 0.0;
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pstr_drc_interface->loudness_norm_param_interface
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.change_output_peak_level_max = 1;
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pstr_drc_interface->loudness_norm_param_interface.output_peak_level_max =
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0.0;
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pstr_drc_interface->drc_interface_flag = 1;
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if (drc_effect_type == -1) {
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pstr_drc_interface->drc_ctrl_interface.dynamic_range_control_on = 0;
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pstr_drc_interface->drc_ctrl_interface.requested_drc_effect_type[0][0] =
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0;
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} else if (drc_effect_type == 0) {
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pstr_drc_interface->drc_ctrl_interface.dynamic_range_control_on = 1;
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pstr_drc_interface->drc_ctrl_interface.num_drc_feature_requests = 0;
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} else {
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pstr_drc_interface->drc_ctrl_interface.dynamic_range_control_on = 1;
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pstr_drc_interface->drc_ctrl_interface.requested_drc_effect_type[0][0] =
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drc_effect_type;
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pstr_drc_interface->drc_ctrl_interface.num_drc_feature_requests = 3;
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pstr_drc_interface->drc_ctrl_interface.drc_feature_req_type[0] = 0;
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pstr_drc_interface->drc_ctrl_interface.drc_feature_req_type[1] = 1;
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pstr_drc_interface->drc_ctrl_interface.drc_feature_req_type[2] = 2;
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pstr_drc_interface->drc_ctrl_interface.requested_num_drc_effects[0] = 1;
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pstr_drc_interface->drc_ctrl_interface
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.desired_num_drc_effects_of_requested[0] = 1;
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}
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pstr_drc_interface->drc_ctrl_interface
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.requested_dyn_rng_measurement_type[0] = 0;
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pstr_drc_interface->drc_ctrl_interface
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.requested_dyn_range_is_single_val_flag[0] = 0;
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pstr_drc_interface->drc_ctrl_interface
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.requested_dyn_range_is_single_val_flag[1] = 0;
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pstr_drc_interface->drc_ctrl_interface.requested_dyn_range_min_val[1] =
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3.0f;
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pstr_drc_interface->drc_ctrl_interface.requested_dyn_range_max_val[1] =
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10.0f;
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pstr_drc_interface->drc_ctrl_interface.requested_drc_characteristic[2] = 3;
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pstr_drc_interface->drc_parameter_interface_flag = 1;
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pstr_drc_interface->drc_parameter_interface.change_compress = 1;
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pstr_drc_interface->drc_parameter_interface.change_boost = 1;
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pstr_drc_interface->drc_parameter_interface.compress = compress;
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pstr_drc_interface->drc_parameter_interface.boost = boost;
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pstr_drc_interface->drc_parameter_interface
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.change_drc_characteristic_target = 1;
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pstr_drc_interface->drc_parameter_interface.drc_characteristic_target = 0;
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pstr_drc_interface->drc_uni_interface_ext_flag = 0;
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} else {
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return UNEXPECTED_ERROR;
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}
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return err;
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}
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