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 #ifndef I_AUDIO_ENGINE_H 16 #define I_AUDIO_ENGINE_H 17 18 #include "audio_device_info.h" 19 namespace OHOS { 20 namespace AudioStandard { 21 class IAudioEngine { 22 public: 23 IAudioEngine() = default; 24 virtual ~IAudioEngine() = default; 25 virtual int32_t Init(const DeviceInfo &type, bool isVoip) = 0; 26 virtual int32_t Start() = 0; 27 virtual int32_t Stop() = 0; 28 virtual int32_t Pause() = 0; 29 virtual int32_t Flush() = 0; 30 virtual bool IsPlaybackEngineRunning() const noexcept = 0; 31 }; 32 } // namespace AudioStandard 33 } // namespace OHOS 34 #endif 35