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 25 namespace OHOS { 26 namespace AudioStandard { 27 28 class AudioDeviceDescriptor; 29 class AudioRendererFilter; 30 class AudioPreferredOutputDeviceChangeCallback { 31 public: 32 virtual ~AudioPreferredOutputDeviceChangeCallback() = default; 33 /** 34 * Called when the prefer output device changes 35 * 36 * @param vector<sptr<AudioDeviceDescriptor>> deviceDescriptor. 37 */ 38 virtual void OnPreferredOutputDeviceUpdated(const std::vector<sptr<AudioDeviceDescriptor>> &desc) = 0; 39 }; 40 41 class AudioPreferredInputDeviceChangeCallback { 42 public: 43 virtual ~AudioPreferredInputDeviceChangeCallback() = default; 44 /** 45 * Called when the prefer input device changes 46 * 47 * @param vector<sptr<AudioDeviceDescriptor>> deviceDescriptor. 48 */ 49 virtual void OnPreferredInputDeviceUpdated(const std::vector<sptr<AudioDeviceDescriptor>> &desc) = 0; 50 }; 51 52 class AudioRoutingManager { 53 public: 54 AudioRoutingManager() = default; 55 virtual ~AudioRoutingManager() = default; 56 57 static AudioRoutingManager *GetInstance(); 58 int32_t SetMicStateChangeCallback(const std::shared_ptr<AudioManagerMicStateChangeCallback> &callback); 59 int32_t GetPreferredOutputDeviceForRendererInfo(AudioRendererInfo rendererInfo, 60 std::vector<sptr<AudioDeviceDescriptor>> &desc); 61 int32_t SetPreferredOutputDeviceChangeCallback(AudioRendererInfo rendererInfo, 62 const std::shared_ptr<AudioPreferredOutputDeviceChangeCallback>& callback); 63 int32_t UnsetPreferredOutputDeviceChangeCallback(); 64 int32_t GetPreferredInputDeviceForCapturerInfo(AudioCapturerInfo captureInfo, 65 std::vector<sptr<AudioDeviceDescriptor>> &desc); 66 int32_t SetPreferredInputDeviceChangeCallback(AudioCapturerInfo captureInfo, 67 const std::shared_ptr<AudioPreferredInputDeviceChangeCallback> &callback); 68 int32_t UnsetPreferredInputDeviceChangeCallback(); 69 private: 70 uint32_t GetCallingPid(); 71 }; 72 73 } // namespace AudioStandard 74 } // namespace OHOS 75 #endif // ST_AUDIO_ROUTING_MANAGER_H 76 77