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_GAIN_DECODER2_H 21 #define IMPD_DRC_GAIN_DECODER2_H 22 23 #ifndef M_PI 24 #define M_PI (3.14159265358979323846) 25 #endif 26 27 typedef struct ia_drc_gain_dec_struct { 28 WORD32 audio_num_chan; 29 ia_drc_params_struct ia_drc_params_struct; 30 ia_drc_gain_buffers_struct drc_gain_buffers; 31 ia_audio_band_buffer_struct audio_band_buffer; 32 ia_overlap_params_struct str_overlap_params; 33 ia_filter_banks_struct ia_filter_banks_struct; 34 ia_audio_in_out_buf audio_in_out_buf; 35 ia_parametric_drc_params_struct parametricdrc_params; 36 shape_filter_block shape_filter_block[CHANNEL_GROUP_COUNT_MAX]; 37 ia_eq_set_struct* eq_set; 38 } ia_drc_gain_dec_struct; 39 40 WORD32 impd_init_drc_decode(WORD32 frame_size, WORD32 sample_rate, 41 WORD32 gain_delay_samples, WORD32 delay_mode, 42 WORD32 sub_band_domain_mode, 43 ia_drc_gain_dec_struct* p_drc_gain_dec_structs); 44 45 WORD32 impd_init_drc_decode_post_config( 46 WORD32 audio_num_chan, WORD32* drc_set_id_processed, 47 WORD32* downmix_id_processed, WORD32 num_sets_processed, 48 WORD32 eq_set_id_processed, 49 50 ia_drc_gain_dec_struct* p_drc_gain_dec_structs, 51 ia_drc_config* pstr_drc_config, 52 ia_drc_loudness_info_set_struct* pstr_loudness_info, pVOID* mem_ptr 53 54 ); 55 56 WORD32 impd_drc_process_time_domain( 57 ia_drc_gain_dec_struct* p_drc_gain_dec_structs, 58 ia_drc_config* pstr_drc_config, ia_drc_gain_struct* pstr_drc_gain, 59 FLOAT32* audio_in_out_buf[], FLOAT32 loudness_normalization_gain_db, 60 FLOAT32 boost, FLOAT32 compress, WORD32 drc_characteristic); 61 62 WORD32 impd_drc_process_freq_domain( 63 ia_drc_gain_dec_struct* p_drc_gain_dec_structs, 64 ia_drc_config* pstr_drc_config, ia_drc_gain_struct* pstr_drc_gain, 65 FLOAT32* audio_real_buff[], FLOAT32* audio_imag_buff[], 66 FLOAT32 loudness_normalization_gain_db, FLOAT32 boost, FLOAT32 compress, 67 WORD32 drc_characteristic); 68 69 VOID impd_get_parametric_drc_delay( 70 ia_drc_gain_dec_struct* p_drc_gain_dec_structs, 71 ia_drc_config* pstr_drc_config, WORD32* parametric_drc_delay, 72 WORD32* parametric_drc_delay_max); 73 74 VOID impd_get_eq_delay(ia_drc_gain_dec_struct* p_drc_gain_dec_structs, 75 ia_drc_config* pstr_drc_config, WORD32* eq_delay, 76 WORD32* eq_delay_max); 77 78 WORD32 79 impd_get_drc_gain(ia_drc_gain_dec_struct* p_drc_gain_dec_structs, 80 ia_drc_config* pstr_drc_config, 81 ia_drc_gain_struct* pstr_drc_gain, FLOAT32 compress, 82 FLOAT32 boost, WORD32 characteristic_index, 83 FLOAT32 loudness_normalization_gain_db, WORD32 sub_drc_index, 84 ia_drc_gain_buffers_struct* drc_gain_buffers); 85 86 #endif 87