1 /* 2 * Copyright (c) 2021-2024 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 SERVICE_CONFIG_AUDIO_CONCURRENCY_PARSER_H 17 #define SERVICE_CONFIG_AUDIO_CONCURRENCY_PARSER_H 18 19 #include <map> 20 #include <string> 21 #include "audio_errors.h" 22 #include "audio_info.h" 23 #include "audio_policy_log.h" 24 #include "audio_xml_parser.h" 25 26 namespace OHOS { 27 namespace AudioStandard { 28 29 enum ConcurrencyAction { 30 PLAY_BOTH, 31 CONCEDE_INCOMING, 32 CONCEDE_EXISTING, 33 }; 34 35 class AudioConcurrencyParser { 36 public: 37 static constexpr char AUDIO_CONCURRENCY_CONFIG_FILE[] = "/vendor/etc/audio/audio_concurrency_config.xml"; AudioConcurrencyParser()38 AudioConcurrencyParser() 39 { 40 curNode_ = AudioXmlNode::Create(); 41 AUDIO_INFO_LOG("AudioConcurrencyParser ctor"); 42 } ~AudioConcurrencyParser()43 virtual ~AudioConcurrencyParser() 44 { 45 curNode_ = nullptr; 46 AUDIO_DEBUG_LOG("AudioConcurrencyParser dtor"); 47 } 48 int32_t LoadConfig(std::map<std::pair<AudioPipeType, AudioPipeType>, ConcurrencyAction> &concurrencyMap); 49 50 private: 51 void ParseInternal(std::map<std::pair<AudioPipeType, AudioPipeType>, ConcurrencyAction> &concurrencyMap, 52 std::shared_ptr<AudioXmlNode> audioXmlNode); 53 void ParseIncoming(const std::string &existing, std::shared_ptr<AudioXmlNode> audioXmlNode, 54 std::map<std::pair<AudioPipeType, AudioPipeType>, ConcurrencyAction> &concurrencyMap); 55 std::shared_ptr<AudioXmlNode> curNode_ = nullptr; 56 std::map<std::string, AudioPipeType> audioPipeTypeMap_ = { 57 {"primary out", PIPE_TYPE_NORMAL_OUT}, 58 {"primary in", PIPE_TYPE_NORMAL_IN}, 59 {"lowlatency out", PIPE_TYPE_LOWLATENCY_OUT}, 60 {"lowlatency in", PIPE_TYPE_LOWLATENCY_IN}, 61 {"offload", PIPE_TYPE_OFFLOAD}, 62 {"multichannel", PIPE_TYPE_MULTICHANNEL}, 63 {"direct", PIPE_TYPE_DIRECT_MUSIC}, 64 {"call out", PIPE_TYPE_CALL_OUT}, 65 {"call in", PIPE_TYPE_CALL_IN} 66 }; 67 }; 68 } // namespace AudioStandard 69 } // namespace OHOS 70 #endif // SERVICE_CONFIG_AUDIO_CONCURRENCY_PARSER_H