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_POLICY_PARSER_H 17 #define AUDIO_POLICY_PARSER_H 18 19 #include <list> 20 #include <unordered_map> 21 #include <string> 22 #include <regex> 23 24 #include "audio_adapter_info.h" 25 #include "audio_device_info.h" 26 #include "audio_stream_info.h" 27 #include "iport_observer.h" 28 #include "parser.h" 29 #include "audio_xml_parser.h" 30 31 namespace OHOS { 32 namespace AudioStandard { 33 class AudioPolicyParser : public Parser { 34 public: 35 static constexpr char CHIP_PROD_CONFIG_FILE[] = "/chip_prod/etc/audio/audio_policy_config.xml"; 36 static constexpr char CONFIG_FILE[] = "/vendor/etc/audio/audio_policy_config.xml"; 37 38 bool LoadConfiguration() final; 39 void Destroy() final; 40 AudioPolicyParser(IPortObserver & observer)41 explicit AudioPolicyParser(IPortObserver &observer): portObserver_(observer) 42 { 43 curNode_ = AudioXmlNode::Create(); 44 } 45 ~AudioPolicyParser()46 virtual ~AudioPolicyParser() 47 { 48 Destroy(); 49 curNode_ = nullptr; 50 } 51 52 private: 53 AdapterType GetAdapterTypeAsInt(std::shared_ptr<AudioXmlNode> curNode); 54 PipeType GetPipeInfoTypeAsInt(std::shared_ptr<AudioXmlNode> curNode); 55 GlobalConfigType GetGlobalConfigTypeAsInt(std::shared_ptr<AudioXmlNode> curNode); 56 XmlNodeType GetXmlNodeTypeAsInt(std::shared_ptr<AudioXmlNode> curNode); 57 DefaultMaxInstanceType GetDefaultMaxInstanceTypeAsInt(std::shared_ptr<AudioXmlNode> curNode); 58 59 bool ParseInternal(std::shared_ptr<AudioXmlNode> curNode); 60 void ParseAdapters(std::shared_ptr<AudioXmlNode> curNode); 61 void ParseAdapter(std::shared_ptr<AudioXmlNode> curNode); 62 void ParsePipes(std::shared_ptr<AudioXmlNode> curNode, AudioAdapterInfo &adapterInfo); 63 void ParsePipeInfos(std::shared_ptr<AudioXmlNode> curNode, PipeInfo &pipeInfo); 64 void ParseStreamProps(std::shared_ptr<AudioXmlNode> curNode, PipeInfo &pipeInfo); 65 void ParseConfigs(std::shared_ptr<AudioXmlNode> curNode, PipeInfo &pipeInfo); 66 void HandleConfigFlagAndUsage(ConfigInfo &configInfo, PipeInfo &pipeInfo); 67 void ParseDevices(std::shared_ptr<AudioXmlNode> curNode, AudioAdapterInfo &adapterInfo); 68 void ParseGroups(std::shared_ptr<AudioXmlNode> curNode, XmlNodeType type); 69 void ParseGroup(std::shared_ptr<AudioXmlNode> curNode, XmlNodeType type); 70 void ParseGroupSink(std::shared_ptr<AudioXmlNode> curNode, XmlNodeType type, std::string &groupName); 71 void ParseGlobalConfigs(std::shared_ptr<AudioXmlNode> curNode); 72 void ParsePAConfigs(std::shared_ptr<AudioXmlNode> curNode); 73 void ParseDefaultMaxInstances(std::shared_ptr<AudioXmlNode> curNode); 74 void ParseOutputMaxInstances(std::shared_ptr<AudioXmlNode> curNode); 75 void ParseInputMaxInstances(std::shared_ptr<AudioXmlNode> curNode); 76 void ParseCommonConfigs(std::shared_ptr<AudioXmlNode> curNode); 77 78 void HandleUpdateRouteSupportParsed(std::string &value); 79 void HandleUpdateAnahsSupportParsed(std::string &value); 80 void HandleDefaultAdapterSupportParsed(std::string &value); 81 PAConfigType GetPaConfigType(std::string &name); 82 83 void SplitStringToList(std::string &str, std::list<std::string> &result); 84 void SplitChannelStringToSet(std::string &str, std::set<uint32_t> &result); 85 86 AdaptersType GetAdaptersType(const std::string &adapterClass); 87 88 std::string GetAudioModuleInfoName(std::string &pipeInfoName, std::list<AudioPipeDeviceInfo> &deviceInfos); 89 void ConvertAdapterInfoToAudioModuleInfo(); 90 void ConvertAdapterInfoToGroupInfo(std::unordered_map<std::string, std::string> &volumeGroupMap, 91 std::unordered_map<std::string, std::string> &interruptGroupMap); 92 void GetCommontAudioModuleInfo(PipeInfo &pipeInfo, AudioModuleInfo &audioModuleInfo); 93 ClassType GetClassTypeByAdapterType(AdaptersType adapterType); 94 void GetOffloadAndOpenMicState(AudioAdapterInfo &adapterInfo, bool &shouldEnableOffload); 95 96 IPortObserver &portObserver_; 97 std::shared_ptr<AudioXmlNode> curNode_ = nullptr; 98 std::unordered_map<AdaptersType, AudioAdapterInfo> adapterInfoMap_ {}; 99 std::unordered_map<ClassType, std::list<AudioModuleInfo>> xmlParsedDataMap_ {}; 100 std::unordered_map<std::string, std::string> volumeGroupMap_; 101 std::unordered_map<std::string, std::string> interruptGroupMap_; 102 GlobalConfigs globalConfigs_; 103 bool shouldOpenMicSpeaker_ = false; 104 bool shouldSetDefaultAdapter_ = false; 105 }; 106 } // namespace AudioStandard 107 } // namespace OHOS 108 109 #endif // AUDIO_POLICY_PARSER_H 110