1 /* 2 * Copyright (c) 2023-2023 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 HISTREAMER_PLUGIN_MANAGER_H 17 #define HISTREAMER_PLUGIN_MANAGER_H 18 19 #include "cpp_ext/type_cast_ext.h" 20 #include "plugin_info.h" 21 #include "plugin/plugin_register.h" 22 #include "generic_plugin.h" 23 24 namespace OHOS { 25 namespace Media { 26 namespace Plugins { 27 class PluginManager { 28 public: 29 PluginManager(const PluginManager&) = delete; 30 PluginManager operator=(const PluginManager&) = delete; 31 ~PluginManager() = default; Instance()32 static PluginManager& Instance() 33 { 34 static PluginManager impl; 35 return impl; 36 } GetPluginRegister()37 std::shared_ptr<PluginRegister> GetPluginRegister() 38 { 39 return pluginRegister_; 40 } 41 42 std::vector<std::string> ListPlugins(PluginType pluginType, CodecMode preferredCodecMode = CodecMode::HARDWARE); 43 44 std::shared_ptr<PluginInfo> GetPluginInfo(PluginType type, const std::string& name); 45 46 std::shared_ptr<PluginBase> CreatePlugin(const std::string& name, PluginType type); 47 48 template<typename T, typename U> CreateGenericPlugin(const std::string & name)49 std::shared_ptr<T> CreateGenericPlugin(const std::string& name) 50 { 51 return CreatePlugin<T, U>(name, PluginType::GENERIC_PLUGIN); 52 } 53 54 int32_t Sniffer(const std::string& name, std::shared_ptr<DataSource> source); 55 56 void RegisterGenericPlugin(const GenericPluginDef& pluginDef); 57 58 void RegisterGenericPlugins(const std::vector<GenericPluginDef>& vecPluginDef); 59 private: 60 PluginManager(); 61 62 void Init(); 63 64 template<typename T, typename U> CreatePlugin(const std::string & name,PluginType pluginType)65 std::shared_ptr<T> CreatePlugin(const std::string& name, PluginType pluginType) 66 { 67 auto regInfo = pluginRegister_->GetPluginRegInfo(pluginType, name); 68 if (!regInfo) { 69 return {}; 70 } 71 auto plugin = regInfo->creator(name); 72 if (!plugin) { 73 return {}; 74 } 75 return std::shared_ptr<T>(plugin); 76 } 77 78 private: 79 std::shared_ptr<PluginRegister> pluginRegister_; 80 }; 81 } // namespace Plugins 82 } // namespace Media 83 } // namespace OHOS 84 #endif // HISTREAMER_PLUGIN_MANAGER_H 85