1/*
2 * Copyright (C) 2015 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#pragma once
18
19#include <utils/Errors.h>
20#include <utils/RefBase.h>
21#include <system/audio.h>
22
23namespace android {
24
25class AudioGain: public RefBase
26{
27public:
28    AudioGain(int index, bool useInChannelMask);
29    virtual ~AudioGain() {}
30
31    void setMode(audio_gain_mode_t mode) { mGain.mode = mode; }
32    const audio_gain_mode_t &getMode() const { return mGain.mode; }
33
34    void setChannelMask(audio_channel_mask_t mask) { mGain.channel_mask = mask; }
35    const audio_channel_mask_t &getChannelMask() const { return mGain.channel_mask; }
36
37    void setMinValueInMb(int minValue) { mGain.min_value = minValue; }
38    int getMinValueInMb() const { return mGain.min_value; }
39
40    void setMaxValueInMb(int maxValue) { mGain.max_value = maxValue; }
41    int getMaxValueInMb() const { return mGain.max_value; }
42
43    void setDefaultValueInMb(int defaultValue) { mGain.default_value = defaultValue; }
44    int getDefaultValueInMb() const { return mGain.default_value; }
45
46    void setStepValueInMb(uint32_t stepValue) { mGain.step_value = stepValue; }
47    int getStepValueInMb() const { return mGain.step_value; }
48
49    void setMinRampInMs(uint32_t minRamp) { mGain.min_ramp_ms = minRamp; }
50    int getMinRampInMs() const { return mGain.min_ramp_ms; }
51
52    void setMaxRampInMs(uint32_t maxRamp) { mGain.max_ramp_ms = maxRamp; }
53    int getMaxRampInMs() const { return mGain.max_ramp_ms; }
54
55    // TODO: remove dump from here (split serialization)
56    void dump(int fd, int spaces, int index) const;
57
58    void getDefaultConfig(struct audio_gain_config *config);
59    status_t checkConfig(const struct audio_gain_config *config);
60
61    const struct audio_gain &getGain() const { return mGain; }
62
63private:
64    int               mIndex;
65    struct audio_gain mGain;
66    bool              mUseInChannelMask;
67};
68
69}; // namespace android
70