1 /****************************************************************************** 2 * 3 * Copyright (C) 2015 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_UNI_SEL_PROC_LOUDNESS_CONTROL_H 21 #define IMPD_DRC_UNI_SEL_PROC_LOUDNESS_CONTROL_H 22 23 #ifdef __cplusplus 24 extern "C" { 25 #endif /* __cplusplus */ 26 27 WORD32 28 impd_signal_peak_level_info(ia_drc_config* pstr_drc_config, 29 ia_drc_loudness_info_set_struct* pstr_loudness_info, 30 ia_drc_instructions_struct* str_drc_instruction_str, 31 const WORD32 requested_dwnmix_id, 32 const WORD32 album_mode, 33 const WORD32 num_compression_eq_count, 34 const WORD32* num_compression_eq_id, 35 WORD32* peak_info_count, WORD32 eq_set_id[], 36 FLOAT32 signal_peak_level[], 37 WORD32 explicit_peak_information_present[]); 38 39 WORD32 40 impd_extract_loudness_peak_to_average_info( 41 ia_loudness_info_struct* loudness_info, 42 const WORD32 dyn_range_measurement_type, 43 WORD32* loudness_peak_2_avg_value_present, 44 FLOAT32* loudness_peak_2_avg_value); 45 46 WORD32 47 impd_overall_loudness_present(const ia_loudness_info_struct* loudness_info, 48 WORD32* loudness_info_present); 49 50 WORD32 51 impd_find_overall_loudness_info( 52 ia_drc_sel_proc_params_struct* pstr_drc_sel_proc_params_struct, 53 ia_drc_loudness_info_set_struct* pstr_loudness_info, 54 const WORD32 requested_dwnmix_id, const WORD32 drc_set_id_requested, 55 WORD32* overall_loudness_info_present, WORD32* loudness_info_count, 56 ia_loudness_info_struct* loudness_info[]); 57 58 WORD32 59 impd_high_pass_loudness_adjust_info( 60 const ia_loudness_info_struct* loudness_info, 61 WORD32* loudness_hp_adjust_present, FLOAT32* loudness_hp_adjust); 62 63 WORD32 64 impd_find_high_pass_loudness_adjust( 65 ia_drc_loudness_info_set_struct* pstr_loudness_info, 66 const WORD32 requested_dwnmix_id, const WORD32 drc_set_id_requested, 67 const WORD32 album_mode, const FLOAT32 device_cutoff_freq, 68 WORD32* loudness_hp_adjust_present, FLOAT32* loudness_hp_adjust); 69 70 WORD32 71 impd_init_loudness_control( 72 ia_drc_sel_proc_params_struct* pstr_drc_sel_proc_params_struct, 73 ia_drc_loudness_info_set_struct* pstr_loudness_info, 74 const WORD32 requested_dwnmix_id, const WORD32 drc_set_id_requested, 75 const WORD32 num_compression_eq_count, const WORD32* num_compression_eq_id, 76 WORD32* loudness_info_count, WORD32 eq_set_id[], 77 FLOAT32 loudness_normalization_gain_db[], FLOAT32 loudness[]); 78 79 #ifdef __cplusplus 80 } 81 #endif /* __cplusplus */ 82 83 #endif 84