1 /* 2 * Copyright (c) 2025 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_LOOPBACK_H 17 #define NAPI_AUDIO_LOOPBACK_H 18 #include <iostream> 19 #include <map> 20 #include <queue> 21 22 #include "napi/native_api.h" 23 #include "napi/native_node_api.h" 24 #include "securec.h" 25 #include "audio_errors.h" 26 #include "napi_async_work.h" 27 #include "audio_loopback.h" 28 29 namespace OHOS { 30 namespace AudioStandard { 31 const std::string NAPI_AUDIO_LOOPBACK_CLASS_NAME = "AudioLoopback"; 32 33 class NapiAudioLoopback { 34 public: 35 NapiAudioLoopback(); 36 ~NapiAudioLoopback(); 37 static napi_value Init(napi_env env, napi_value exports); 38 void DestroyCallbacks(); 39 void DestroyNAPICallbacks(); 40 std::shared_ptr<AudioLoopback> loopback_; 41 42 private: 43 struct AudioLoopbackAsyncContext : public ContextBase { 44 bool isTrue; 45 int32_t intValue; 46 int32_t loopbackMode; 47 double volLevel; 48 bool enable; 49 AudioLoopbackStatus loopbackStatus; 50 }; 51 52 static void Destructor(napi_env env, void *nativeObject, void *finalizeHint); 53 static napi_value Construct(napi_env env, napi_callback_info info); 54 static napi_value CreateAudioLoopbackWrapper(napi_env env, AudioLoopbackMode audioLoopbackMode); 55 static napi_value CreateAudioLoopback(napi_env env, napi_callback_info info); 56 static napi_value GetStatus(napi_env env, napi_callback_info info); 57 static napi_value SetVolume(napi_env env, napi_callback_info info); 58 static napi_value Enable(napi_env env, napi_callback_info info); 59 static napi_value On(napi_env env, napi_callback_info info); 60 static napi_value Off(napi_env env, napi_callback_info info); 61 static napi_value GetCallback(size_t argc, napi_value *argv); 62 63 static napi_value RegisterCallback(napi_env env, napi_value jsThis, 64 napi_value *argv, const std::string &cbName); 65 static napi_value RegisterLoopbackCallback(napi_env env, napi_value *argv, 66 const std::string &cbName, NapiAudioLoopback *napiLoopback); 67 static napi_value UnregisterCallback(napi_env env, napi_value jsThis, size_t argc, napi_value *argv, 68 const std::string &cbName); 69 static void UnregisterLoopbackCallback(napi_env env, size_t argc, const std::string &cbName, 70 napi_value *argv, NapiAudioLoopback *napiLoopback); 71 72 static bool CheckContextStatus(std::shared_ptr<AudioLoopbackAsyncContext> context); 73 static bool CheckAudioLoopbackStatus(NapiAudioLoopback *napi, std::shared_ptr<AudioLoopbackAsyncContext> context); 74 static NapiAudioLoopback* GetParamWithSync(const napi_env &env, napi_callback_info info, 75 size_t &argc, napi_value *args); 76 static napi_value SetReverbPreset(napi_env env, napi_callback_info info); 77 static napi_value GetReverbPreset(napi_env env, napi_callback_info info); 78 static napi_value SetEqualizerPreset(napi_env env, napi_callback_info info); 79 static napi_value GetEqualizerPreset(napi_env env, napi_callback_info info); 80 81 static std::mutex createMutex_; 82 static int32_t isConstructSuccess_; 83 static AudioLoopbackMode sLoopbackMode_; 84 85 napi_env env_; 86 std::shared_ptr<AudioLoopbackCallback> callbackNapi_ = nullptr; 87 }; 88 } // namespace AudioStandard 89 } // namespace OHOS 90 #endif // NAPI_AUDIO_LOOPBACK_H