1 /*
2  * Copyright (c) 2022 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef ST_AUDIO_ROUTING_MANAGER_H
17 #define ST_AUDIO_ROUTING_MANAGER_H
18 
19 #include <iostream>
20 
21 #include "audio_system_manager.h"
22 #include "audio_info.h"
23 #include "audio_group_manager.h"
24 #include "microphone_descriptor.h"
25 
26 namespace OHOS {
27 namespace AudioStandard {
28 
29 class AudioDeviceDescriptor;
30 class AudioRendererFilter;
31 class AudioDeviceRefiner;
32 class AudioPreferredOutputDeviceChangeCallback {
33 public:
34     virtual ~AudioPreferredOutputDeviceChangeCallback() = default;
35     /**
36      * Called when the prefer output device changes
37      *
38      * @param vector<sptr<AudioDeviceDescriptor>> deviceDescriptor.
39      */
40     virtual void OnPreferredOutputDeviceUpdated(const std::vector<sptr<AudioDeviceDescriptor>> &desc) = 0;
41 };
42 
43 class AudioPreferredInputDeviceChangeCallback {
44     public:
45     virtual ~AudioPreferredInputDeviceChangeCallback() = default;
46     /**
47      * Called when the prefer input device changes
48      *
49      * @param vector<sptr<AudioDeviceDescriptor>> deviceDescriptor.
50      */
51     virtual void OnPreferredInputDeviceUpdated(const std::vector<sptr<AudioDeviceDescriptor>> &desc) = 0;
52 };
53 
54 class AudioRoutingManager {
55 public:
56     AudioRoutingManager() = default;
57     virtual ~AudioRoutingManager() = default;
58 
59     static AudioRoutingManager *GetInstance();
60     int32_t SetMicStateChangeCallback(const std::shared_ptr<AudioManagerMicStateChangeCallback> &callback);
61     int32_t GetPreferredOutputDeviceForRendererInfo(AudioRendererInfo rendererInfo,
62         std::vector<sptr<AudioDeviceDescriptor>> &desc);
63     int32_t SetPreferredOutputDeviceChangeCallback(AudioRendererInfo rendererInfo,
64         const std::shared_ptr<AudioPreferredOutputDeviceChangeCallback>& callback);
65     int32_t UnsetPreferredOutputDeviceChangeCallback();
66     int32_t GetPreferredInputDeviceForCapturerInfo(AudioCapturerInfo captureInfo,
67         std::vector<sptr<AudioDeviceDescriptor>> &desc);
68     int32_t SetPreferredInputDeviceChangeCallback(AudioCapturerInfo captureInfo,
69         const std::shared_ptr<AudioPreferredInputDeviceChangeCallback> &callback);
70     int32_t UnsetPreferredInputDeviceChangeCallback();
71     std::vector<sptr<MicrophoneDescriptor>> GetAvailableMicrophones();
72     std::vector<std::unique_ptr<AudioDeviceDescriptor>> GetAvailableDevices(AudioDeviceUsage usage);
73     std::unique_ptr<AudioDeviceDescriptor> GetActiveBluetoothDevice();
74     int32_t SetAudioDeviceRefinerCallback(const std::shared_ptr<AudioDeviceRefiner> &callback);
75     int32_t UnsetAudioDeviceRefinerCallback();
76     int32_t TriggerFetchDevice(AudioStreamDeviceChangeReasonExt reason = AudioStreamDeviceChangeReason::UNKNOWN);
77     int32_t SetPreferredDevice(const PreferredType preferredType, const sptr<AudioDeviceDescriptor> &desc);
78     void SaveRemoteInfo(const std::string &networkId, DeviceType deviceType);
79 private:
80     int32_t GetCallingPid();
81 };
82 
83 } // namespace AudioStandard
84 } // namespace OHOS
85 #endif // ST_AUDIO_ROUTING_MANAGER_H
86 
87