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_DEC_H
21#define IMPD_DRC_GAIN_DEC_H
22
23#ifdef __cplusplus
24extern "C" {
25#endif
26
27typedef struct {
28  ia_node_struct str_node;
29  ia_node_struct prev_node;
30  FLOAT32 lpcm_gains[2 * AUDIO_CODEC_FRAME_SIZE_MAX + MAX_SIGNAL_DELAY];
31} ia_interp_buf_struct;
32
33typedef struct {
34  WORD32 buf_interpolation_count;
35  ia_interp_buf_struct* buf_interpolation;
36} ia_gain_buffer_struct;
37
38typedef struct {
39  ia_gain_buffer_struct pstr_gain_buf[SEL_DRC_COUNT];
40} ia_drc_gain_buffers_struct;
41
42typedef struct {
43  WORD32 gain_interpolation_type;
44  WORD32 gain_modification_flag;
45  WORD32 ducking_flag;
46  WORD32 clipping_flag;
47  ia_ducking_modifiers_struct* pstr_ducking_modifiers;
48  ia_gain_modifiers_struct* pstr_gain_modifiers;
49  WORD32 drc_characteristic_present;
50  WORD32 drc_source_characteristic_cicp_format;
51  WORD32 source_drc_characteristic;
52  ia_split_drc_characteristic_struct* split_source_characteristic_left;
53  ia_split_drc_characteristic_struct* split_source_characteristic_right;
54  WORD32 drc_target_characteristic_cicp_format;
55  WORD32 target_drc_characteristic;
56  ia_split_drc_characteristic_struct* split_target_characteristic_left;
57  ia_split_drc_characteristic_struct* split_target_characteristic_right;
58  WORD32 interpolation_loud_eq;
59  WORD32 limiter_peak_target_present;
60  FLOAT32 limiter_peak_target;
61  FLOAT32 loudness_normalization_gain_db;
62  WORD32 delta_tmin;
63  WORD32 characteristic_index;
64  FLOAT32 compress;
65  FLOAT32 boost;
66} ia_interp_params_struct;
67
68typedef struct {
69  WORD32 drc_instructions_index;
70  WORD32 drc_coeff_idx;
71  WORD32 dwnmix_instructions_index;
72} ia_sel_drc_struct;
73
74typedef struct {
75  WORD32 sample_rate;
76  WORD32 delta_tmin_default;
77  WORD32 drc_frame_size;
78  WORD32 delay_mode;
79  WORD32 sub_band_domain_mode;
80  WORD32 gain_delay_samples;
81  WORD32 parametric_drc_delay;
82  WORD32 eq_delay;
83  WORD32 audio_delay_samples;
84  WORD32 drc_set_counter;
85  WORD32 multiband_sel_drc_idx;
86
87  ia_sel_drc_struct sel_drc_array[SEL_DRC_COUNT];
88
89} ia_drc_params_struct;
90
91#ifdef __cplusplus
92}
93#endif
94#endif
95