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_STREAM_MANAGER_H
16 #define NAPI_AUDIO_STREAM_MANAGER_H
17 
18 #include <iostream>
19 #include <map>
20 #include <vector>
21 #include "napi/native_api.h"
22 #include "napi/native_node_api.h"
23 #include "napi_async_work.h"
24 #include "audio_system_manager.h"
25 #include "audio_stream_manager.h"
26 
27 namespace OHOS {
28 namespace AudioStandard {
29 const std::string AUDIO_STREAM_MGR_NAPI_CLASS_NAME = "AudioStreamManager";
30 const std::string RENDERERCHANGE_CALLBACK_NAME = "audioRendererChange";
31 const std::string CAPTURERCHANGE_CALLBACK_NAME = "audioCapturerChange";
32 
33 class NapiAudioStreamMgr {
34 public:
35     NapiAudioStreamMgr();
36     ~NapiAudioStreamMgr();
37 
38     static napi_value Init(napi_env env, napi_value exports);
39     static napi_value CreateStreamManagerWrapper(napi_env env);
40 
41 private:
42     struct AudioStreamMgrAsyncContext : public ContextBase {
43         int32_t intValue;
44         int32_t volType;
45         int32_t contentType;
46         int32_t streamUsage;
47         bool isTrue;
48         bool isLowLatencySupported;
49         bool isActive;
50         AudioStreamInfo audioStreamInfo;
51         NapiAudioStreamMgr *objectInfo;
52         std::vector<std::unique_ptr<AudioRendererChangeInfo>> audioRendererChangeInfos;
53         std::vector<std::unique_ptr<AudioCapturerChangeInfo>> audioCapturerChangeInfos;
54         AudioSceneEffectInfo audioSceneEffectInfo;
55     };
56 
57     static napi_value Construct(napi_env env, napi_callback_info info);
58     static void Destructor(napi_env env, void *nativeObject, void *finalizeHint);
59     static bool CheckContextStatus(std::shared_ptr<AudioStreamMgrAsyncContext> context);
60     static bool CheckAudioStreamManagerStatus(NapiAudioStreamMgr *napi,
61         std::shared_ptr<AudioStreamMgrAsyncContext> context);
62     static NapiAudioStreamMgr* GetParamWithSync(const napi_env &env, napi_callback_info info,
63     size_t &argc, napi_value *args);
64     static napi_value GetCurrentAudioRendererInfos(napi_env env, napi_callback_info info);
65     static napi_value GetCurrentAudioRendererInfosSync(napi_env env, napi_callback_info info);
66     static napi_value GetCurrentAudioCapturerInfos(napi_env env, napi_callback_info info);
67     static napi_value GetCurrentAudioCapturerInfosSync(napi_env env, napi_callback_info info);
68     static napi_value IsAudioRendererLowLatencySupported(napi_env env, napi_callback_info info);
69     static napi_value IsStreamActive(napi_env env, napi_callback_info info);
70     static napi_value IsStreamActiveSync(napi_env env, napi_callback_info info);
71     static napi_value GetEffectInfoArray(napi_env env, napi_callback_info info);
72     static napi_value GetEffectInfoArraySync(napi_env env, napi_callback_info info);
73     static napi_value GetHardwareOutputSamplingRate(napi_env env, napi_callback_info info);
74     static napi_value On(napi_env env, napi_callback_info info);
75     static napi_value Off(napi_env env, napi_callback_info info);
76     static void RegisterCallback(napi_env env, napi_value jsThis,
77         napi_value *args, const std::string &cbName);
78     static void RegisterCapturerStateChangeCallback(napi_env env, napi_value *args,
79         const std::string &cbName, NapiAudioStreamMgr *napiStreamMgr);
80     static void RegisterRendererStateChangeCallback(napi_env env, napi_value *args,
81         const std::string &cbName, NapiAudioStreamMgr *napiStreamMgr);
82     static void  UnregisterCallback(napi_env env, napi_value jsThis, const std::string &cbName);
83 
84     napi_env env_;
85     AudioStreamManager *audioStreamMngr_;
86     int32_t cachedClientId_ = -1;
87     std::shared_ptr<AudioRendererStateChangeCallback> rendererStateChangeCallbackNapi_ = nullptr;
88     std::shared_ptr<AudioCapturerStateChangeCallback> capturerStateChangeCallbackNapi_ = nullptr;
89 };
90 }  // namespace AudioStandard
91 }  // namespace OHOS
92 #endif /* NAPI_AUDIO_STREAM_MANAGER_H */
93