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 #ifndef AUDIO_POLICY_CONFIG_PARSER_H 16 #define AUDIO_POLICY_CONFIG_PARSER_H 17 18 #include <list> 19 #include <unordered_map> 20 #include <string> 21 #include <regex> 22 23 #include "audio_device_info.h" 24 #include "audio_stream_info.h" 25 #include "parser.h" 26 #include "audio_xml_parser.h" 27 #include "audio_policy_config_manager.h" 28 29 namespace OHOS { 30 namespace AudioStandard { 31 class AudioPolicyConfigParser : public Parser { 32 public: 33 static constexpr char CHIP_PROD_CONFIG_FILE[] = "/chip_prod/etc/audio/audio_policy_config.xml"; 34 static constexpr char CONFIG_FILE[] = "/vendor/etc/audio/audio_policy_config.xml"; 35 36 bool LoadConfiguration() final; 37 void Destroy() final; 38 AudioPolicyConfigParser(AudioPolicyConfigManager * manager)39 explicit AudioPolicyConfigParser(AudioPolicyConfigManager *manager): configManager_(manager) 40 { 41 curNode_ = AudioXmlNode::Create(); 42 } 43 ~AudioPolicyConfigParser()44 virtual ~AudioPolicyConfigParser() 45 { 46 Destroy(); 47 curNode_ = nullptr; 48 } 49 50 private: 51 PolicyXmlNodeType GetXmlNodeTypeAsInt(std::shared_ptr<AudioXmlNode> curNode); 52 AdapterInfoType GetAdapterInfoTypeAsInt(std::shared_ptr<AudioXmlNode> curNode); 53 PipeInfoType GetPipeInfoTypeAsInt(std::shared_ptr<AudioXmlNode> curNode); 54 PolicyGlobalConfigType GetGlobalConfigTypeAsInt(std::shared_ptr<AudioXmlNode> curNode); 55 PolicyPAConfigType GetPaConfigType(std::string &name); 56 ClassType GetClassTypeByAdapterType(AudioAdapterType adapterType); 57 58 bool ParseInternal(std::shared_ptr<AudioXmlNode> curNode); 59 void ParseAdapters(std::shared_ptr<AudioXmlNode> curNode); 60 void ParseAdapter(std::shared_ptr<AudioXmlNode> curNode, std::shared_ptr<PolicyAdapterInfo> &adapterInfo); 61 void ParsePipes(std::shared_ptr<AudioXmlNode> curNode, std::shared_ptr<PolicyAdapterInfo> &adapterInfo); 62 void ParsePipeInfos(std::shared_ptr<AudioXmlNode> curNode, std::shared_ptr<AdapterPipeInfo> &pipeInfo); 63 void ParsePaProp(std::shared_ptr<AudioXmlNode> curNode, std::shared_ptr<AdapterPipeInfo> &pipeInfo); 64 void ParseStreamProps(std::shared_ptr<AudioXmlNode> curNode, std::shared_ptr<AdapterPipeInfo> &pipeInfo); 65 void ParseAttributes(std::shared_ptr<AudioXmlNode> curNode, std::shared_ptr<AdapterPipeInfo> &pipeInfo); 66 void ParseAttributeByName(AttributeInfo &attributeInfo, std::shared_ptr<AdapterPipeInfo> &pipeInfo); 67 void ParseDevices(std::shared_ptr<AudioXmlNode> curNode, std::shared_ptr<PolicyAdapterInfo> &adapterInfo); 68 void SplitStringToList(std::string &str, std::list<std::string> &result, const char *delim); 69 void ParseGroups(std::shared_ptr<AudioXmlNode> curNode, PolicyXmlNodeType type); 70 void ParseGroup(std::shared_ptr<AudioXmlNode> curNode, PolicyXmlNodeType type); 71 void ParseGroupSink(std::shared_ptr<AudioXmlNode> curNode, PolicyXmlNodeType type, std::string &groupName); 72 void ParseGlobalConfigs(std::shared_ptr<AudioXmlNode> curNode); 73 void ParsePAConfigs(std::shared_ptr<AudioXmlNode> curNode); 74 void ParseCommonConfigs(std::shared_ptr<AudioXmlNode> curNode); 75 AudioSampleFormat ConvertToFormat(std::string value); 76 void HandleUpdateRouteSupportParsed(std::string &value); 77 void HandleUpdateAnahsSupportParsed(std::string &value); 78 void HandleDefaultAdapterSupportParsed(std::string &value); 79 void HandleEncodingEac3SupportParsed(std::shared_ptr<AdapterPipeInfo> pipeInfo, const std::string &value); 80 81 void ConvertAdapterInfoToGroupInfo(std::unordered_map<std::string, std::string> &volumeGroupMap, 82 std::unordered_map<std::string, std::string> &interruptGroupMap); 83 void ConvertAdapterInfoToAudioModuleInfo(); 84 void GetOffloadAndOpenMicState(std::shared_ptr<PolicyAdapterInfo> &adapterInfo, bool &shouldEnableOffload); 85 void GetCommontAudioModuleInfo(std::shared_ptr<AdapterPipeInfo> &pipeInfo, AudioModuleInfo &audioModuleInfo); 86 std::string GetAudioModuleInfoName(std::string &pipeInfoName, 87 std::list<std::shared_ptr<AdapterDeviceInfo>> &deviceInfos); 88 89 std::shared_ptr<AudioXmlNode> curNode_ = nullptr; 90 AudioPolicyConfigManager *configManager_ = nullptr; 91 92 std::unordered_map<ClassType, std::list<AudioModuleInfo>> xmlParsedDataMap_ {}; 93 std::unordered_map<std::string, std::string> volumeGroupMap_; 94 std::unordered_map<std::string, std::string> interruptGroupMap_; 95 PolicyGlobalConfigs globalConfigs_; 96 bool shouldOpenMicSpeaker_ = false; 97 bool shouldSetDefaultAdapter_ = false; 98 }; 99 } // namespace AudioStandard 100 } // namespace OHOS 101 102 #endif // AUDIO_POLICY_CONFIG_PARSER_H 103