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 #ifndef IMPD_DRC_LOUDNESS_CONTROL_H 21 #define IMPD_DRC_LOUDNESS_CONTROL_H 22 23 #ifdef __cplusplus 24 extern "C" { 25 #endif /* __cplusplus */ 26 27 WORD32 28 impd_mixing_level_info( 29 ia_drc_sel_proc_params_struct* pstr_drc_sel_proc_params_struct, 30 ia_drc_loudness_info_set_struct* pstr_loudness_info, 31 WORD32 requested_dwnmix_id, WORD32 drc_set_id_requested, 32 WORD32 eq_set_id_requested, FLOAT32* mixing_level); 33 WORD32 34 impd_signal_peak_level_info(ia_drc_config* pstr_drc_config, 35 ia_drc_loudness_info_set_struct* pstr_loudness_info, 36 ia_drc_instructions_struct* str_drc_instruction_str, 37 WORD32 requested_dwnmix_id, WORD32 album_mode, 38 WORD32 num_compression_eq_count, 39 WORD32* num_compression_eq_id, 40 WORD32* peak_info_count, WORD32 eq_set_id[], 41 FLOAT32 signal_peak_level[], 42 WORD32 explicit_peak_information_present[]); 43 44 WORD32 45 impd_extract_loudness_peak_to_average_info( 46 ia_loudness_info_struct* loudness_info, WORD32 dyn_range_measurement_type, 47 WORD32* loudness_peak_2_avg_value_present, 48 FLOAT32* loudness_peak_2_avg_value); 49 50 WORD32 51 impd_loudness_peak_to_average_info( 52 ia_drc_loudness_info_set_struct* pstr_loudness_info, 53 ia_drc_instructions_struct* str_drc_instruction_str, 54 WORD32 requested_dwnmix_id, WORD32 dyn_range_measurement_type, 55 WORD32 album_mode, WORD32* loudness_peak_2_avg_value_present, 56 FLOAT32* loudness_peak_2_avg_value); 57 58 WORD32 59 impd_overall_loudness_present(ia_loudness_info_struct* loudness_info, 60 WORD32* loudness_info_present); 61 62 WORD32 63 impd_find_overall_loudness_info( 64 ia_drc_sel_proc_params_struct* pstr_drc_sel_proc_params_struct, 65 ia_drc_loudness_info_set_struct* pstr_loudness_info, 66 WORD32 requested_dwnmix_id, WORD32 drc_set_id_requested, 67 WORD32* overall_loudness_info_present, WORD32* loudness_info_count, 68 ia_loudness_info_struct* loudness_info[]); 69 70 WORD32 71 impd_high_pass_loudness_adjust_info(ia_loudness_info_struct* loudness_info, 72 WORD32* loudness_hp_adjust_present, 73 FLOAT32* loudness_hp_adjust); 74 75 WORD32 76 impd_find_high_pass_loudness_adjust( 77 ia_drc_loudness_info_set_struct* pstr_loudness_info, 78 WORD32 requested_dwnmix_id, WORD32 drc_set_id_requested, WORD32 album_mode, 79 FLOAT32 device_cutoff_freq, WORD32* loudness_hp_adjust_present, 80 FLOAT32* loudness_hp_adjust); 81 82 WORD32 83 impd_init_loudness_control( 84 ia_drc_sel_proc_params_struct* pstr_drc_sel_proc_params_struct, 85 ia_drc_loudness_info_set_struct* pstr_loudness_info, 86 WORD32 requested_dwnmix_id, WORD32 drc_set_id_requested, 87 WORD32 num_compression_eq_count, WORD32* num_compression_eq_id, 88 WORD32* loudness_info_count, WORD32 eq_set_id[], 89 FLOAT32 loudness_normalization_gain_db[], FLOAT32 loudness[]); 90 91 #ifdef __cplusplus 92 } 93 #endif /* __cplusplus */ 94 95 #endif 96
