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_async_work.h" 22 #include "audio_capturer.h" 23 24 namespace OHOS { 25 namespace AudioStandard { 26 const std::string INTERRUPT_CALLBACK_NAME = "interrupt"; 27 const std::string AUDIO_INTERRUPT_CALLBACK_NAME = "audioInterrupt"; 28 const std::string STATE_CHANGE_CALLBACK_NAME = "stateChange"; 29 const std::string MARK_REACH_CALLBACK_NAME = "markReach"; 30 const std::string PERIOD_REACH_CALLBACK_NAME = "periodReach"; 31 const std::string INPUTDEVICE_CHANGE_CALLBACK_NAME = "inputDeviceChange"; 32 const std::string AUDIO_CAPTURER_CHANGE_CALLBACK_NAME = "audioCapturerChange"; 33 const std::string READ_DATA_CALLBACK_NAME = "readData"; 34 35 class NapiAudioCapturerCallback : public AudioCapturerCallback { 36 public: 37 explicit NapiAudioCapturerCallback(napi_env env); 38 virtual ~NapiAudioCapturerCallback(); 39 void SaveCallbackReference(const std::string &callbackName, napi_value args); 40 void RemoveCallbackReference(const std::string &callbackName); 41 void OnInterrupt(const InterruptEvent &interruptEvent) override; 42 void OnStateChange(const CapturerState state) override; 43 44 private: 45 struct AudioCapturerJsCallback { 46 std::shared_ptr<AutoRef> callback = nullptr; 47 std::string callbackName = "unknown"; 48 InterruptEvent interruptEvent; 49 CapturerState state; 50 }; 51 52 static void WorkCallbackStateChangeDone(uv_work_t *work, int status); 53 static void WorkCallbackInterruptDone(uv_work_t *work, int status); 54 void OnJsCallbackInterrupt(std::unique_ptr<AudioCapturerJsCallback> &jsCb); 55 void OnJsCallbackStateChange(std::unique_ptr<AudioCapturerJsCallback> &jsCb); 56 57 std::mutex mutex_; 58 napi_env env_ = nullptr; 59 std::shared_ptr<AutoRef> interruptCallback_ = nullptr; 60 std::shared_ptr<AutoRef> stateChangeCallback_ = nullptr; 61 }; 62 } // namespace AudioStandard 63 } // namespace OHOS 64 #endif /* NAPI_AUDIO_CAPTURER_CALLBACK_H */ 65