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
24extern "C" {
25#endif /* __cplusplus */
26
27WORD32
28impd_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
39WORD32
40impd_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
46WORD32
47impd_overall_loudness_present(const ia_loudness_info_struct* loudness_info,
48                              WORD32* loudness_info_present);
49
50WORD32
51impd_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
58WORD32
59impd_high_pass_loudness_adjust_info(
60    const ia_loudness_info_struct* loudness_info,
61    WORD32* loudness_hp_adjust_present, FLOAT32* loudness_hp_adjust);
62
63WORD32
64impd_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
70WORD32
71impd_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