1 /* 2 * Copyright (c) 2024-2025 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 AUDIO_AFFINITY_PARSER_H 17 #define AUDIO_AFFINITY_PARSER_H 18 19 #include <vector> 20 #include <unordered_map> 21 #include <string> 22 #include <sstream> 23 24 #include "parser.h" 25 #include "audio_affinity_manager.h" 26 #include "audio_xml_parser.h" 27 28 namespace OHOS { 29 namespace AudioStandard { 30 using namespace std; 31 32 class AudioAffinityParser : public Parser { 33 public: 34 static constexpr char AFFINITY_CONFIG_FILE[] = "/system/etc/audio/audio_affinity_config.xml"; 35 36 bool LoadConfiguration() final; 37 void Destroy() final; 38 AudioAffinityParser(AudioAffinityManager * affinityManager)39 AudioAffinityParser(AudioAffinityManager *affinityManager) 40 { 41 audioAffinityManager_ = affinityManager; 42 curNode_ = AudioXmlNode::Create(); 43 } 44 ~AudioAffinityParser()45 virtual ~AudioAffinityParser() 46 { 47 Destroy(); 48 curNode_ = nullptr; 49 } 50 GetAffinityDeviceInfo()51 std::vector<AffinityDeviceInfo>& GetAffinityDeviceInfo() 52 { 53 return affinityDeviceInfoArray_; 54 } 55 56 private: 57 bool ParseInternal(std::shared_ptr<AudioXmlNode> curNode); 58 void ParserAffinityGroups(std::shared_ptr<AudioXmlNode> curNode, const DeviceFlag& deviceFlag); 59 void ParserAffinityGroupAttribute(std::shared_ptr<AudioXmlNode> curNode, const DeviceFlag& deviceFlag); 60 void ParserAffinityGroupDeviceInfos(std::shared_ptr<AudioXmlNode> curNode, AffinityDeviceInfo& deviceInfo); 61 62 std::shared_ptr<AudioXmlNode> curNode_ = nullptr; 63 AudioAffinityManager* audioAffinityManager_ = nullptr; 64 std::vector<AffinityDeviceInfo> affinityDeviceInfoArray_ = {}; 65 }; 66 } // namespace AudioStandard 67 } // namespace OHOS 68 #endif // AUDIO_DEVICE_AFFINITY_PARSER_H 69