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 WAKEUP_ENGINE_IMPL_H 16 #define WAKEUP_ENGINE_IMPL_H 17 18 #include <memory> 19 #include <string> 20 #include "v1_0/iintell_voice_engine_callback.h" 21 #include "audio_info.h" 22 #include "i_intell_voice_engine.h" 23 #include "state_manager.h" 24 #include "engine_util.h" 25 #include "wakeup_adapter_listener.h" 26 #include "wakeup_source_stop_callback.h" 27 28 #include "audio_source.h" 29 #include "wakeup_source_process.h" 30 31 namespace OHOS { 32 namespace IntellVoiceEngine { 33 using OHOS::IntellVoiceUtils::StateMsg; 34 using OHOS::IntellVoiceUtils::State; 35 36 class WakeupEngineImpl : private OHOS::IntellVoiceUtils::ModuleStates, private EngineUtil, 37 private WakeupSourceProcess { 38 public: 39 WakeupEngineImpl(); 40 ~WakeupEngineImpl(); 41 int32_t Handle(const StateMsg &msg); 42 43 private: 44 enum EngineState { 45 IDLE = 0, 46 INITIALIZING = 1, 47 INITIALIZED = 2, 48 RECOGNIZING = 3, 49 RECOGNIZED = 4, 50 READ_CAPTURER = 5, 51 }; 52 53 private: 54 bool SetCallbackInner(); 55 int32_t AttachInner(const IntellVoiceEngineInfo &info); 56 bool StartAudioSource(); 57 void StopAudioSource(); 58 void SetParamOnAudioStart(int32_t uuid); 59 void SetParamOnAudioStop(); 60 bool CreateWakeupSourceStopCallback(); 61 void DestroyWakeupSourceStopCallback(); 62 void OnWakeupEvent(const OHOS::HDI::IntelligentVoice::Engine::V1_0::IntellVoiceEngineCallBackEvent &event); 63 void OnInitDone(int32_t result); 64 void OnWakeupRecognition(int32_t result, const std::string &info); 65 void OnWakeupKws3Recognition(int32_t result, const std::string &info); 66 void UpdateDspModel(); 67 OHOS::AudioStandard::AudioChannel GetWakeupSourceChannel(); 68 69 private: 70 bool InitStates(); 71 int32_t HandleGetParam(const StateMsg &msg, State &nextState); 72 int32_t HandleSetParam(const StateMsg &msg, State &nextState); 73 int32_t HandleInit(const StateMsg &msg, State &nextState); 74 int32_t HandleSetListener(const StateMsg &msg, State &nextState); 75 int32_t HandleInitDone(const StateMsg &msg, State &nextState); 76 int32_t HandleStart(const StateMsg &msg, State &nextState); 77 int32_t HandleStop(const StateMsg &msg, State &nextState); 78 int32_t HandleRecognizeComplete(const StateMsg &msg, State &nextState); 79 int32_t HandleReconfirmRecognitionComplete(const StateMsg &msg, State &nextState); 80 int32_t HandleStartCapturer(const StateMsg &msg, State &nextState); 81 int32_t HandleRead(const StateMsg &msg, State &nextState); 82 int32_t HandleStopCapturer(const StateMsg &msg, State &nextState); 83 int32_t HandleGetWakeupPcm(const StateMsg &msg, State &nextState); 84 int32_t HandleRecognizingTimeout(const StateMsg &msg, State &nextState); 85 int32_t HandleResetAdapter(const StateMsg &msg, State &nextState); 86 int32_t HandleRelease(const StateMsg &msg, State &nextState); 87 std::string GetWakeupPhrase(); 88 89 private: 90 using EngineUtil::adapter_; 91 bool isPcmFromExternal_ = false; 92 int32_t channels_ = 0; 93 uint32_t channelId_ = 0; 94 sptr<OHOS::HDI::IntelligentVoice::Engine::V1_0::IIntellVoiceEngineCallback> callback_ = nullptr; 95 std::shared_ptr<WakeupAdapterListener> adapterListener_ = nullptr; 96 std::shared_ptr<WakeupSourceStopCallback> wakeupSourceStopCallback_ = nullptr; 97 std::unique_ptr<AudioSource> audioSource_ = nullptr; 98 OHOS::AudioStandard::AudioCapturerOptions capturerOptions_; 99 }; 100 } 101 } 102 #endif