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 ST_AUDIO_COMBINE_DENOISING_MANAGER_H 17 #define ST_AUDIO_COMBINE_DENOISING_MANAGER_H 18 19 #include "audio_system_manager.h" 20 21 namespace OHOS { 22 namespace AudioStandard { 23 class AudioNnStateChangeCallback { 24 public: 25 virtual ~AudioNnStateChangeCallback() = default; 26 27 virtual void OnNnStateChange(const int32_t &nnState) = 0; 28 }; 29 30 class AudioCombineDenoisingManager { 31 public: 32 AudioCombineDenoisingManager() = default; 33 virtual ~AudioCombineDenoisingManager() = default; 34 35 static AudioCombineDenoisingManager *GetInstance(); 36 int32_t RegisterNnStateEventListener(const std::shared_ptr<AudioNnStateChangeCallback> &callback); 37 int32_t UnregisterNnStateEventListener(); 38 }; 39 } // namespace AudioStandard 40 } // namespace OHOS 41 #endif // ST_AUDIO_COMBINE_DENOISING_MANAGER_H