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 16 #ifndef NAPI_AUDIO_CAPTURER_READ_DATA_CALLBACK_H 17 #define NAPI_AUDIO_CAPTURER_READ_DATA_CALLBACK_H 18 19 #include "napi/native_api.h" 20 #include "napi/native_node_api.h" 21 #include "napi_audio_capturer.h" 22 #include "napi_audio_capturer_callbacks.h" 23 24 namespace OHOS { 25 namespace AudioStandard { 26 class NapiCapturerReadDataCallback : public AudioCapturerReadCallback { 27 public: 28 NapiCapturerReadDataCallback(napi_env env, NapiAudioCapturer *napiCapturer); 29 virtual ~NapiCapturerReadDataCallback(); 30 void OnReadData(size_t length) override; 31 32 void AddCallbackReference(const std::string &callbackName, napi_value args); 33 void RemoveCallbackReference(napi_env env, napi_value callback); 34 void RemoveNapiCapturer(); 35 void CreateReadDataTsfn(napi_env env); 36 37 private: 38 struct CapturerReadDataJsCallback { 39 std::shared_ptr<AutoRef> callback = nullptr; 40 std::string callbackName = "unknown"; 41 BufferDesc bufDesc {}; 42 NapiAudioCapturer *capturerNapiObj; 43 NapiCapturerReadDataCallback *readDataCallbackPtr; 44 }; 45 46 static void CaptureReadDataTsfnFinalize(napi_env env, void *data, void *hint); 47 static void SafeJsCallbackCapturerReadDataWork(napi_env env, napi_value js_cb, void *context, void *data); 48 static void SafeJsCallbackCapturerReadDataWorkInner(CapturerReadDataJsCallback *event); 49 void OnJsCapturerReadDataCallback(std::unique_ptr<CapturerReadDataJsCallback> &jsCb); 50 51 std::mutex mutex_; 52 napi_env env_ = nullptr; 53 std::shared_ptr<AutoRef> capturerReadDataCallback_ = nullptr; 54 NapiAudioCapturer *napiCapturer_; 55 bool isCallbackInited_ = false; 56 bool regAcReadDataTsfn_ = false; 57 napi_threadsafe_function acReadDataTsfn_ = nullptr; 58 }; 59 } // namespace AudioStandard 60 } // namespace OHOS 61 #endif // NAPI_AUDIO_CAPTURER_READ_DATA_CALLBACK_H