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_RENDERER_DATA_REQUEST_CALLBACK_H 17 #define NAPI_RENDERER_DATA_REQUEST_CALLBACK_H 18 19 #include "napi/native_api.h" 20 #include "napi/native_node_api.h" 21 #include "napi_audio_renderer.h" 22 #include "napi_audio_renderer_callback.h" 23 24 namespace OHOS { 25 namespace AudioStandard { 26 class NapiRendererDataRequestCallback : public AudioRendererWriteCallback { 27 public: 28 NapiRendererDataRequestCallback(napi_env env, NapiAudioRenderer *napiRenderer); 29 virtual ~NapiRendererDataRequestCallback(); 30 void SaveCallbackReference(const std::string &callbackName, napi_value args); 31 void OnWriteData(size_t length) override; 32 33 private: 34 struct RendererDataRequestJsCallback { 35 std::shared_ptr<AutoRef> callback = nullptr; 36 std::string callbackName = "unknown"; 37 BufferDesc bufDesc_ {}; 38 NapiAudioRenderer *rendererNapiObj; 39 AudioRendererDataInfo audioRendererDataInfo; 40 }; 41 void OnJsRendererDataRequestCallback(std::unique_ptr<RendererDataRequestJsCallback> &jsCb); 42 static void WorkCallbackRendererDataRequest(uv_work_t *work, int status); 43 44 std::mutex mutex_; 45 napi_env env_ = nullptr; 46 std::shared_ptr<AutoRef> rendererDataRequestCallback_ = nullptr; 47 NapiAudioRenderer *napiRenderer_; 48 }; 49 } // namespace AudioStandard 50 } // namespace OHOS 51 #endif // NAPI_RENDERER_DATA_REQUEST_CALLBACK_H