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
24extern "C" {
25#endif /* __cplusplus */
26
27WORD32
28impd_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);
33WORD32
34impd_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
44WORD32
45impd_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
50WORD32
51impd_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
58WORD32
59impd_overall_loudness_present(ia_loudness_info_struct* loudness_info,
60                              WORD32* loudness_info_present);
61
62WORD32
63impd_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
70WORD32
71impd_high_pass_loudness_adjust_info(ia_loudness_info_struct* loudness_info,
72                                    WORD32* loudness_hp_adjust_present,
73                                    FLOAT32* loudness_hp_adjust);
74
75WORD32
76impd_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
82WORD32
83impd_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