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 AudioPreferredOutputDeviceChangeCallback { 32 public: 33 virtual ~AudioPreferredOutputDeviceChangeCallback() = default; 34 /** 35 * Called when the prefer output device changes 36 * 37 * @param vector<sptr<AudioDeviceDescriptor>> deviceDescriptor. 38 */ 39 virtual void OnPreferredOutputDeviceUpdated(const std::vector<sptr<AudioDeviceDescriptor>> &desc) = 0; 40 }; 41 42 class AudioPreferredInputDeviceChangeCallback { 43 public: 44 virtual ~AudioPreferredInputDeviceChangeCallback() = default; 45 /** 46 * Called when the prefer input device changes 47 * 48 * @param vector<sptr<AudioDeviceDescriptor>> deviceDescriptor. 49 */ 50 virtual void OnPreferredInputDeviceUpdated(const std::vector<sptr<AudioDeviceDescriptor>> &desc) = 0; 51 }; 52 53 class AudioRoutingManager { 54 public: 55 AudioRoutingManager() = default; 56 virtual ~AudioRoutingManager() = default; 57 58 static AudioRoutingManager *GetInstance(); 59 int32_t SetMicStateChangeCallback(const std::shared_ptr<AudioManagerMicStateChangeCallback> &callback); 60 int32_t GetPreferredOutputDeviceForRendererInfo(AudioRendererInfo rendererInfo, 61 std::vector<sptr<AudioDeviceDescriptor>> &desc); 62 int32_t SetPreferredOutputDeviceChangeCallback(AudioRendererInfo rendererInfo, 63 const std::shared_ptr<AudioPreferredOutputDeviceChangeCallback>& callback); 64 int32_t UnsetPreferredOutputDeviceChangeCallback(); 65 int32_t GetPreferredInputDeviceForCapturerInfo(AudioCapturerInfo captureInfo, 66 std::vector<sptr<AudioDeviceDescriptor>> &desc); 67 int32_t SetPreferredInputDeviceChangeCallback(AudioCapturerInfo captureInfo, 68 const std::shared_ptr<AudioPreferredInputDeviceChangeCallback> &callback); 69 int32_t UnsetPreferredInputDeviceChangeCallback(); 70 std::vector<sptr<MicrophoneDescriptor>> GetAvailableMicrophones(); 71 std::vector<std::unique_ptr<AudioDeviceDescriptor>> GetAvailableDevices(AudioDeviceUsage usage); 72 std::unique_ptr<AudioDeviceDescriptor> GetActiveBluetoothDevice(); 73 private: 74 uint32_t GetCallingPid(); 75 }; 76 77 } // namespace AudioStandard 78 } // namespace OHOS 79 #endif // ST_AUDIO_ROUTING_MANAGER_H 80 81