1/****************************************************************************** 2 * 3 * Copyright (C) 2018 The Android Open Source Project 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at: 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 ***************************************************************************** 18 * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore 19*/ 20#include <stdio.h> 21#include <stdlib.h> 22#include <math.h> 23#include <assert.h> 24#include <string.h> 25#include "impd_type_def.h" 26 27#include "impd_drc_bitbuffer.h" 28#include "impd_drc_common.h" 29#include "impd_drc_interface.h" 30#include "impd_drc_parser_interface.h" 31 32WORD32 33impd_drc_dec_interface_process(ia_bit_buf_struct* it_bit_buff, 34 ia_drc_interface_struct* pstr_drc_interface, 35 UWORD8* it_bit_buf, WORD32 num_bit_stream_bits, 36 WORD32* num_bits_read) { 37 WORD32 err = 0; 38 39 if (it_bit_buff != NULL && num_bit_stream_bits) { 40 it_bit_buff = impd_create_init_bit_buf(it_bit_buff, it_bit_buf, 41 num_bit_stream_bits / 8); 42 43 } else { 44 return -1; 45 } 46 47 err = impd_unidrc_interface_read(it_bit_buff, pstr_drc_interface); 48 if (err) return (err); 49 50 *num_bits_read = (it_bit_buff->size) - it_bit_buff->cnt_bits; 51 52 return err; 53} 54 55WORD32 56impd_drc_dec_interface_add_effect_type( 57 ia_drc_interface_struct* pstr_drc_interface, WORD32 drc_effect_type, 58 WORD32 target_loudness, WORD32 loud_norm) { 59 WORD32 err = 0; 60 WORD32 i = 0; 61 62 if (pstr_drc_interface != NULL) { 63 pstr_drc_interface->interface_signat_flag = 0; 64 for (i = 0; i < MAX_SIGNATURE_DATA_LENGTH_PLUS_ONE * 8; i++) 65 pstr_drc_interface->drc_uni_interface_signature.interface_signat_data[i] = 66 0; 67 68 pstr_drc_interface->drc_uni_interface_signature.interface_signat_data_len = 69 0; 70 71 pstr_drc_interface->system_interface_flag = 1; 72 73 pstr_drc_interface->system_interface.target_config_request_type = 0; 74 pstr_drc_interface->system_interface.num_downmix_id_requests = 0; 75 for (i = 0; i < MAX_NUM_DOWNMIX_ID_REQUESTS; i++) { 76 pstr_drc_interface->system_interface.requested_dwnmix_id[i] = 0; 77 } 78 pstr_drc_interface->system_interface.requested_target_layout = 0; 79 pstr_drc_interface->system_interface.requested_target_ch_count = 0; 80 81 pstr_drc_interface->loudness_norm_ctrl_interface_flag = 1; 82 if (loud_norm == 1) { 83 pstr_drc_interface->loudness_norm_ctrl_interface 84 .loudness_normalization_on = 1; 85 } else { 86 pstr_drc_interface->loudness_norm_ctrl_interface 87 .loudness_normalization_on = 0; 88 } 89 pstr_drc_interface->loudness_norm_ctrl_interface.target_loudness = 90 (FLOAT32)target_loudness; 91 92 pstr_drc_interface->loudness_norm_parameter_interface_flag = 1; 93 pstr_drc_interface->loudness_norm_param_interface.album_mode = 0; 94 pstr_drc_interface->loudness_norm_param_interface.peak_limiter = 0; 95 pstr_drc_interface->loudness_norm_param_interface 96 .change_loudness_deviation_max = 1; 97 pstr_drc_interface->loudness_norm_param_interface.loudness_deviation_max = 98 63; 99 pstr_drc_interface->loudness_norm_param_interface 100 .change_loudness_measur_method = 1; 101 pstr_drc_interface->loudness_norm_param_interface 102 .loudness_measurement_method = 1; 103 pstr_drc_interface->loudness_norm_param_interface 104 .change_loudness_measur_system = 1; 105 pstr_drc_interface->loudness_norm_param_interface 106 .loudness_measurement_system = 1; 107 pstr_drc_interface->loudness_norm_param_interface 108 .change_loudness_measur_pre_proc = 0; 109 pstr_drc_interface->loudness_norm_param_interface 110 .loudness_measurement_pre_proc = 0; 111 pstr_drc_interface->loudness_norm_param_interface 112 .change_device_cut_off_freq = 1; 113 pstr_drc_interface->loudness_norm_param_interface.device_cut_off_frequency = 114 20; 115 pstr_drc_interface->loudness_norm_param_interface 116 .change_loudness_norm_gain_db_max = 1; 117 pstr_drc_interface->loudness_norm_param_interface 118 .loudness_norm_gain_db_max = 1000.0; 119 pstr_drc_interface->loudness_norm_param_interface 120 .change_loudness_norm_gain_modification_db = 1; 121 pstr_drc_interface->loudness_norm_param_interface 122 .loudness_norm_gain_modification_db = 0.0; 123 pstr_drc_interface->loudness_norm_param_interface 124 .change_output_peak_level_max = 1; 125 pstr_drc_interface->loudness_norm_param_interface.output_peak_level_max = 126 0.0; 127 128 pstr_drc_interface->drc_interface_flag = 1; 129 if (drc_effect_type == -1) { 130 pstr_drc_interface->drc_ctrl_interface.dynamic_range_control_on = 0; 131 pstr_drc_interface->drc_ctrl_interface.requested_drc_effect_type[0][0] = 132 0; 133 } else if (drc_effect_type == 0) { 134 pstr_drc_interface->drc_ctrl_interface.dynamic_range_control_on = 1; 135 pstr_drc_interface->drc_ctrl_interface.num_drc_feature_requests = 0; 136 } else { 137 pstr_drc_interface->drc_ctrl_interface.dynamic_range_control_on = 1; 138 pstr_drc_interface->drc_ctrl_interface.requested_drc_effect_type[0][0] = 139 drc_effect_type; 140 pstr_drc_interface->drc_ctrl_interface.num_drc_feature_requests = 3; 141 pstr_drc_interface->drc_ctrl_interface.drc_feature_req_type[0] = 0; 142 pstr_drc_interface->drc_ctrl_interface.drc_feature_req_type[1] = 1; 143 pstr_drc_interface->drc_ctrl_interface.drc_feature_req_type[2] = 2; 144 pstr_drc_interface->drc_ctrl_interface.requested_num_drc_effects[0] = 1; 145 pstr_drc_interface->drc_ctrl_interface 146 .desired_num_drc_effects_of_requested[0] = 1; 147 } 148 149 pstr_drc_interface->drc_ctrl_interface 150 .requested_dyn_rng_measurement_type[0] = 0; 151 pstr_drc_interface->drc_ctrl_interface 152 .requested_dyn_range_is_single_val_flag[0] = 0; 153 pstr_drc_interface->drc_ctrl_interface 154 .requested_dyn_range_is_single_val_flag[1] = 0; 155 pstr_drc_interface->drc_ctrl_interface.requested_dyn_range_min_val[1] = 156 3.0f; 157 pstr_drc_interface->drc_ctrl_interface.requested_dyn_range_max_val[1] = 158 10.0f; 159 pstr_drc_interface->drc_ctrl_interface.requested_drc_characteristic[2] = 3; 160 161 pstr_drc_interface->drc_parameter_interface_flag = 1; 162 pstr_drc_interface->drc_parameter_interface.change_compress = 1; 163 pstr_drc_interface->drc_parameter_interface.change_boost = 1; 164 pstr_drc_interface->drc_parameter_interface.compress = 1.0f; 165 pstr_drc_interface->drc_parameter_interface.boost = 1.0f; 166 pstr_drc_interface->drc_parameter_interface 167 .change_drc_characteristic_target = 1; 168 pstr_drc_interface->drc_parameter_interface.drc_characteristic_target = 0; 169 170 pstr_drc_interface->drc_uni_interface_ext_flag = 0; 171 172 } else { 173 return UNEXPECTED_ERROR; 174 } 175 176 return err; 177} 178