1/*
2 * Copyright (C) 2014 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef OFFLOAD_REVERB_H_
18#define OFFLOAD_REVERB_H_
19
20#include "bundle.h"
21
22#define REVERB_DEFAULT_PRESET REVERB_PRESET_NONE
23
24extern const effect_descriptor_t aux_env_reverb_descriptor;
25extern const effect_descriptor_t ins_env_reverb_descriptor;
26extern const effect_descriptor_t aux_preset_reverb_descriptor;
27extern const effect_descriptor_t ins_preset_reverb_descriptor;
28
29typedef struct reverb_settings_s {
30    int16_t     roomLevel;
31    int16_t     roomHFLevel;
32    uint32_t    decayTime;
33    int16_t     decayHFRatio;
34    int16_t     reflectionsLevel;
35    uint32_t    reflectionsDelay;
36    int16_t     reverbLevel;
37    uint32_t    reverbDelay;
38    int16_t     diffusion;
39    int16_t     density;
40} reverb_settings_t;
41
42typedef struct reverb_context_s {
43    effect_context_t common;
44
45    // Offload vars
46    struct mixer_ctl *ctl;
47    bool auxiliary;
48    bool preset;
49    uint16_t cur_preset;
50    uint16_t next_preset;
51    reverb_settings_t reverb_settings;
52    uint32_t device;
53    struct reverb_params offload_reverb;
54} reverb_context_t;
55
56
57void reverb_auxiliary_init(reverb_context_t *context);
58
59void reverb_preset_init(reverb_context_t *context);
60
61void reverb_insert_init(reverb_context_t *context);
62
63int reverb_get_parameter(effect_context_t *context, effect_param_t *p,
64                            uint32_t *size);
65
66int reverb_set_parameter(effect_context_t *context, effect_param_t *p,
67                            uint32_t size);
68
69int reverb_set_device(effect_context_t *context,  uint32_t device);
70
71int reverb_reset(effect_context_t *context);
72
73int reverb_init(effect_context_t *context);
74
75int reverb_enable(effect_context_t *context);
76
77int reverb_disable(effect_context_t *context);
78
79int reverb_start(effect_context_t *context, output_context_t *output);
80
81int reverb_stop(effect_context_t *context, output_context_t *output);
82
83#endif /* OFFLOAD_REVERB_H_ */
84