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_ISAUDIO_CHANNEL_H 17 #define OHOS_ISAUDIO_CHANNEL_H 18 19 #include "audio_data.h" 20 #include "audio_event.h" 21 #include "iaudio_channel_listener.h" 22 23 namespace OHOS { 24 namespace DistributedHardware { 25 class IAudioChannel { 26 public: 27 virtual ~IAudioChannel() = default; 28 29 virtual int32_t CreateSession(const std::shared_ptr<IAudioChannelListener> &listener, 30 const std::string &sessionName) = 0; 31 virtual int32_t ReleaseSession() = 0; 32 virtual int32_t OpenSession() = 0; 33 virtual int32_t CloseSession() = 0; 34 virtual int32_t SendData(const std::shared_ptr<AudioData> &data) = 0; 35 virtual int32_t SendEvent(const AudioEvent &event) = 0; 36 }; 37 } // namespace DistributedHardware 38 } // namespace OHOS 39 #endif // OHOS_ISAUDIO_CHANNEL_H 40