1 /* 2 * Copyright (c) 2021-2022 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 AUDIO_SESSION_H 17 #define AUDIO_SESSION_H 18 19 #include "audio_service_client.h" 20 21 namespace OHOS { 22 namespace AudioStandard { 23 enum SessionType { 24 SESSION_CONTROL, 25 SESSION_PLAYBACK, 26 SESSION_RECORD 27 }; 28 29 struct AudioDevDescriptor { 30 }; 31 32 class AudioSession : public AudioServiceClient { 33 public: 34 AudioDevDescriptor *GetActiveAudioSinkDevice(uint32_t sessionID); 35 AudioDevDescriptor *GetActiveAudioSourceDevice(uint32_t sessionID); 36 37 bool SetActiveAudioSinkDevice(uint32_t sessionID, const AudioDevDescriptor &audioDesc); 38 bool SetActiveAudioSourceDevice(uint32_t sessionID, const AudioDevDescriptor &audioDesc); 39 float GetAudioStreamVolume(uint32_t sessionID); 40 float GetAudioDeviceVolume(uint32_t sessionID); 41 bool SetAudioStreamVolume(uint32_t sessionID, float volume); 42 bool SetAudioDeviceVolume(uint32_t sessionID, float volume); 43 44 private: 45 AudioSession *CreateSession(SessionType eSession); 46 }; 47 } // namespace AudioStandard 48 } // namespace OHOS 49 #endif // AUDIO_SESSION_H 50