1 /* 2 * Copyright (c) 2024 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 OHOS_AUDIO_DEVICE_MANAGER_H 17 #define OHOS_AUDIO_DEVICE_MANAGER_H 18 19 #include "audio_device_info.h" 20 #include "audio_routing_manager.h" 21 #include "migrate_avsession_server.h" 22 23 namespace OHOS::AVSession { 24 enum OutputDevice { 25 AUDIO_OUTPUT_SINK = 0, 26 AUDIO_OUTPUT_SOURCE 27 }; 28 29 class AudioDeviceManager { 30 public: 31 AudioDeviceManager() = default; 32 ~AudioDeviceManager() = default; 33 static AudioDeviceManager &GetInstance(); 34 bool GetSessionInfoSyncState(); 35 void InitAudioStateCallback(std::shared_ptr<MigrateAVSessionServer> migrateAVSession, 36 std::string deviceId); 37 void UnInitAudioStateCallback(); 38 void SendRemoteAvSessionInfo(const std::string &deviceId); 39 void ClearRemoteAvSessionInfo(const std::string &deviceId); 40 void SetAudioState(int32_t state); 41 int32_t GetAudioState(); 42 std::string GetDeviceId(); 43 44 private: 45 void RegisterAudioDeviceChangeCallback(); 46 void UnRegisterAudioDeviceChangeCallback(); 47 void RegisterPreferedOutputDeviceChangeCallback(); 48 void UnRegisterPreferedOutputDeviceChangeCallback(); 49 std::shared_ptr<AudioStandard::AudioManagerDeviceChangeCallback> audioDeviceChangeCallback_; 50 std::shared_ptr<AudioStandard::AudioPreferredOutputDeviceChangeCallback> audioPreferedOutputDeviceChangeCallback_; 51 bool isRegistered_ = false; 52 std::shared_ptr<MigrateAVSessionServer> migrateSession_; 53 std::string deviceId_; 54 int32_t outputDevice_ = AUDIO_OUTPUT_SINK; 55 }; 56 57 class DeviceChangeCallback : public AudioStandard::AudioManagerDeviceChangeCallback { 58 public: 59 void OnDeviceChange(const AudioStandard::DeviceChangeAction& deviceChangeAction) override; 60 }; 61 62 class OutputDeviceChangeCallback : public AudioStandard::AudioPreferredOutputDeviceChangeCallback { 63 public: 64 void OnPreferredOutputDeviceUpdated( 65 const std::vector<std::shared_ptr<AudioStandard::AudioDeviceDescriptor>> &desc) override; 66 private: 67 std::recursive_mutex lock_; 68 }; 69 } 70 #endif