1 /*
2  * Copyright (C) 2023 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 <map>
20 #include <memory>
21 #include <mutex>
22 #include <vector>
23 
24 #include <android-base/thread_annotations.h>
25 #include <android/binder_auto_utils.h>
26 
27 #include "alsa/Mixer.h"
28 
29 namespace aidl::android::hardware::audio::core::primary {
30 
31 class PrimaryMixer : public alsa::Mixer {
32   public:
33     static constexpr int kAlsaCard = 0;
34     static constexpr int kAlsaDevice = 0;
35 
36     static PrimaryMixer& getInstance();
37 
38   private:
PrimaryMixer()39     PrimaryMixer() : alsa::Mixer(kAlsaCard) {}
40 };
41 
42 }  // namespace aidl::android::hardware::audio::core::primary
43