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 OHOS_IAUDIO_CHANNEL_LISTENER_H 17 #define OHOS_IAUDIO_CHANNEL_LISTENER_H 18 19 #include "audio_data.h" 20 #include "audio_event.h" 21 22 namespace OHOS { 23 namespace DistributedHardware { 24 class IAudioChannelListener { 25 public: 26 virtual ~IAudioChannelListener() = default; 27 28 virtual void OnSessionOpened() = 0; 29 virtual void OnSessionClosed() = 0; 30 virtual void OnDataReceived(const std::shared_ptr<AudioData> &data) = 0; 31 virtual void OnEventReceived(const AudioEvent &event) = 0; 32 }; 33 } // namespace DistributedHardware 34 } // namespace OHOS 35 #endif // OHOS_IAUDIO_CHANNEL_LISTENER_H 36