1 /* 2 * Copyright (c) 2023 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 NAPI_AUDIO_CAPTURER_CALLBACK_H 16 #define NAPI_AUDIO_CAPTURER_CALLBACK_H 17 18 #include <uv.h> 19 #include "napi/native_api.h" 20 #include "napi/native_node_api.h" 21 #include "napi_audio_capturer_callback_inner.h" 22 #include "napi_async_work.h" 23 #include "audio_capturer.h" 24 25 namespace OHOS { 26 namespace AudioStandard { 27 const std::string INTERRUPT_CALLBACK_NAME = "interrupt"; 28 const std::string AUDIO_INTERRUPT_CALLBACK_NAME = "audioInterrupt"; 29 const std::string STATE_CHANGE_CALLBACK_NAME = "stateChange"; 30 const std::string MARK_REACH_CALLBACK_NAME = "markReach"; 31 const std::string PERIOD_REACH_CALLBACK_NAME = "periodReach"; 32 const std::string INPUTDEVICE_CHANGE_CALLBACK_NAME = "inputDeviceChange"; 33 const std::string AUDIO_CAPTURER_CHANGE_CALLBACK_NAME = "audioCapturerChange"; 34 const std::string READ_DATA_CALLBACK_NAME = "readData"; 35 36 class NapiAudioCapturerCallback : public AudioCapturerCallback, public NapiAudioCapturerCallbackInner { 37 public: 38 explicit NapiAudioCapturerCallback(napi_env env); 39 ~NapiAudioCapturerCallback() override; 40 void OnInterrupt(const InterruptEvent &interruptEvent) override; 41 void OnStateChange(const CapturerState state) override; 42 void CreateStateChangeTsfn(napi_env env); 43 void CreateInterruptTsfn(napi_env env); 44 bool GetStateChangeTsfnFlag(); 45 bool GetInterruptTsfnFlag(); 46 void SaveCallbackReference(const std::string &callbackName, napi_value args) override; 47 void RemoveCallbackReference(const std::string &callbackName, napi_env env, napi_value callback) override; 48 bool CheckIfTargetCallbackName(const std::string &callbackName) override; 49 protected: 50 std::shared_ptr<AutoRef> GetCallback(const std::string &callbackName) override; 51 napi_env &GetEnv() override; 52 53 private: 54 struct AudioCapturerJsCallback { 55 std::shared_ptr<AutoRef> callback = nullptr; 56 std::string callbackName = "unknown"; 57 InterruptEvent interruptEvent; 58 CapturerState state; 59 }; 60 61 void OnJsCallbackInterrupt(std::unique_ptr<AudioCapturerJsCallback> &jsCb); 62 void OnJsCallbackStateChange(std::unique_ptr<AudioCapturerJsCallback> &jsCb); 63 static void SafeJsCallbackInterruptWork(napi_env env, napi_value js_cb, void *context, void *data); 64 static void InterruptTsfnFinalize(napi_env env, void *data, void *hint); 65 static void SafeJsCallbackStateChangeWork(napi_env env, napi_value js_cb, void *context, void *data); 66 static void StateChangeTsfnFinalize(napi_env env, void *data, void *hint); 67 68 std::mutex mutex_; 69 napi_env env_ = nullptr; 70 std::shared_ptr<AutoRef> interruptCallback_ = nullptr; 71 std::shared_ptr<AutoRef> stateChangeCallback_ = nullptr; 72 bool regAcStateChgTsfn_ = false; 73 bool regAcInterruptTsfn_ = false; 74 napi_threadsafe_function acStateChgTsfn_ = nullptr; 75 napi_threadsafe_function acInterruptTsfn_ = nullptr; 76 }; 77 } // namespace AudioStandard 78 } // namespace OHOS 79 #endif /* NAPI_AUDIO_CAPTURER_CALLBACK_H */ 80