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_TABLES_H 21 #define IMPD_DRC_UNI_TABLES_H 22 23 #ifdef __cplusplus 24 extern "C" { 25 #endif 26 27 #define N_DELTA_TIME_CODE_TABLE_ENTRIES_MAX (512 + 14) 28 29 typedef struct { 30 WORD32 size; 31 WORD32 code; 32 WORD32 value; 33 } ia_delta_time_code_table_entry_struct; 34 35 typedef struct { 36 WORD32 size; 37 WORD32 code; 38 FLOAT32 value; 39 WORD32 index; 40 } ia_slope_code_table_struct; 41 42 typedef struct { 43 WORD32 size; 44 WORD32 code; 45 FLOAT32 value; 46 } ia_delta_gain_code_table_struct; 47 48 typedef struct { 49 ia_delta_time_code_table_entry_struct 50 delta_time_code_table[N_DELTA_TIME_CODE_TABLE_ENTRIES_MAX]; 51 } ia_tables_struct; 52 53 typedef struct { 54 FLOAT32 in_out_ratio; 55 FLOAT32 exp_lo; 56 FLOAT32 exp_hi; 57 } ia_cicp_sigmoid_characteristic_param_struct; 58 59 typedef struct { 60 FLOAT32 inLevel; 61 FLOAT32 gain; 62 } ia_characteristic_node_coordinate_struct; 63 64 typedef struct { 65 WORD32 coordinateCount; 66 ia_characteristic_node_coordinate_struct characteristicNodeCoordinate[5]; 67 } ia_cicp_node_characteristic_param; 68 69 WORD32 70 impd_init_tbls(const WORD32 num_gain_max_values, ia_tables_struct* str_tables); 71 72 void impd_gen_delta_time_code_tbl( 73 const WORD32 num_gain_max_values, 74 ia_delta_time_code_table_entry_struct* delta_time_code_tbl_item); 75 76 void impd_get_delta_gain_code_tbl( 77 const WORD32 gain_coding_profile, 78 ia_delta_gain_code_table_struct const** delta_time_code_tbl, 79 WORD32* num_entries); 80 81 void impd_get_slope_code_tbl_and_size( 82 ia_slope_code_table_struct const** slope_code_tbl_entry, 83 WORD32* num_slope_code_tbl_entries); 84 85 WORD32 86 impd_get_delta_tmin(const WORD32 sampling_rate); 87 88 #ifdef __cplusplus 89 } 90 #endif 91 #endif 92
