1 /*
2  * Copyright (c) 2024 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 AUDIO_ENHANCE_CHAIN_MANAGER_H
17 #define AUDIO_ENHANCE_CHAIN_MANAGER_H
18 
19 #include <map>
20 #include <memory>
21 #include <string>
22 #include <vector>
23 #include <mutex>
24 #include <set>
25 
26 #include "audio_effect.h"
27 #include "audio_enhance_chain.h"
28 
29 namespace OHOS {
30 namespace AudioStandard {
31 
32 class AudioEnhanceChainManager {
33 public:
34     AudioEnhanceChainManager();
35     ~AudioEnhanceChainManager();
36     static AudioEnhanceChainManager* GetInstance();
37     void InitAudioEnhanceChainManager(std::vector<EffectChain> &enhanceChains,
38         const EffectChainManagerParam &managerParam,
39         std::vector<std::shared_ptr<AudioEffectLibEntry>> &enhanceLibraryList);
40     int32_t CreateAudioEnhanceChainDynamic(const std::string &sceneType,
41         const std::string &enhanceMode, const std::string &upAndDownDevice);
42     int32_t ReleaseAudioEnhanceChainDynamic(const std::string &sceneType, const std::string &upAndDownDevice);
43     int32_t ApplyAudioEnhanceChain(const std::string &sceneType, EnhanceBufferAttr *enhanceBufferAttr);
44     bool ExistAudioEnhanceChain(const std::string &sceneType);
45     std::string GetUpAndDownDevice();
46 
47 private:
48     int32_t SetAudioEnhanceChainDynamic(const std::string &sceneType, const std::string &enhanceMode,
49         const std::string &upAndDownDevice);
50 
51     std::map<std::string, std::shared_ptr<AudioEnhanceChain>> sceneTypeToEnhanceChainMap_;
52     std::map<std::string, int32_t> sceneTypeToEnhanceChainCountMap_;
53     std::map<std::string, std::string> sceneTypeAndModeToEnhanceChainNameMap_;
54     std::map<std::string, std::vector<std::string>> enhanceChainToEnhancesMap_;
55     std::map<std::string, std::shared_ptr<AudioEffectLibEntry>> enhanceToLibraryEntryMap_;
56     std::map<std::string, std::string> enhanceToLibraryNameMap_;
57     std::mutex chainManagerMutex_;
58     bool isInitialized_;
59     std::string upAndDownDevice_;
60 };
61 
62 }  // namespace AudioStandard
63 }  // namespace OHOS
64 #endif // AUDIO_ENHANCE_CHAIN_MANAGER_H