1 /* 2 * Copyright 2018 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef CODEC2_AIDL_UTILS_COMPONENTSTORE_H 18 #define CODEC2_AIDL_UTILS_COMPONENTSTORE_H 19 20 #include <android/binder_auto_utils.h> 21 #include <codec2/aidl/ComponentInterface.h> 22 #include <codec2/aidl/Configurable.h> 23 24 #include <aidl/android/hardware/media/bufferpool2/IClientManager.h> 25 #include <aidl/android/hardware/media/c2/BnComponentStore.h> 26 #include <aidl/android/hardware/media/c2/IInputSurface.h> 27 28 #include <C2Component.h> 29 #include <C2Param.h> 30 #include <C2.h> 31 32 #include <chrono> 33 #include <map> 34 #include <memory> 35 #include <mutex> 36 #include <set> 37 #include <vector> 38 39 namespace android { 40 class FilterWrapper; 41 } // namespace android 42 43 namespace aidl { 44 namespace android { 45 namespace hardware { 46 namespace media { 47 namespace c2 { 48 namespace utils { 49 50 struct Component; 51 52 using ::aidl::android::hardware::media::bufferpool2::IClientManager; 53 54 struct ComponentStore : public BnComponentStore { 55 ComponentStore(const std::shared_ptr<C2ComponentStore>& store); 56 virtual ~ComponentStore(); 57 58 /** 59 * Returns the status of the construction of this object. 60 */ 61 c2_status_t status() const; 62 63 /** 64 * This function is called by CachedConfigurable::init() to validate 65 * supported parameters. 66 */ 67 c2_status_t validateSupportedParams( 68 const std::vector<std::shared_ptr<C2ParamDescriptor>>& params); 69 70 /** 71 * Returns the store's ParameterCache. This is used for validation by 72 * Configurable::init(). 73 */ 74 std::shared_ptr<ParameterCache> getParameterCache() const; 75 76 static std::shared_ptr<::android::FilterWrapper> GetFilterWrapper(); 77 78 std::shared_ptr<MultiAccessUnitInterface> tryCreateMultiAccessUnitInterface( 79 const std::shared_ptr<C2ComponentInterface> &c2interface); 80 81 // Methods from ::aidl::android::hardware::media::c2::IComponentStore. 82 virtual ::ndk::ScopedAStatus createComponent( 83 const std::string& name, 84 const std::shared_ptr<IComponentListener>& listener, 85 const std::shared_ptr<IClientManager>& pool, 86 std::shared_ptr<IComponent> *component) override; 87 virtual ::ndk::ScopedAStatus createInterface( 88 const std::string& name, 89 std::shared_ptr<IComponentInterface> *intf) override; 90 virtual ::ndk::ScopedAStatus listComponents( 91 std::vector<IComponentStore::ComponentTraits>* traits) override; 92 virtual ::ndk::ScopedAStatus createInputSurface( 93 std::shared_ptr<IInputSurface> *inputSurface) override; 94 virtual ::ndk::ScopedAStatus getStructDescriptors( 95 const std::vector<int32_t>& indices, 96 std::vector<StructDescriptor> *descs) override; 97 virtual ::ndk::ScopedAStatus getPoolClientManager( 98 std::shared_ptr<IClientManager> *manager) override; 99 virtual ::ndk::ScopedAStatus copyBuffer( 100 const Buffer& src, 101 const Buffer& dst) override; 102 virtual ::ndk::ScopedAStatus getConfigurable( 103 std::shared_ptr<IConfigurable> *configurable) override; 104 105 /** 106 * Dumps information when lshal is called. 107 */ 108 virtual binder_status_t dump( 109 int fd, const char** args, uint32_t numArgs) override; 110 111 protected: 112 std::shared_ptr<CachedConfigurable> mConfigurable; 113 struct StoreParameterCache; 114 std::shared_ptr<StoreParameterCache> mParameterCache; 115 116 // Does bookkeeping for an interface that has been loaded. 117 void onInterfaceLoaded(const std::shared_ptr<C2ComponentInterface> &intf); 118 119 c2_status_t mInit; 120 std::shared_ptr<C2ComponentStore> mStore; 121 std::vector<std::shared_ptr<C2ParamReflector>> mParamReflectors; 122 123 std::map<C2Param::CoreIndex, std::shared_ptr<C2StructDescriptor>> mStructDescriptors; 124 std::set<C2Param::CoreIndex> mUnsupportedStructDescriptors; 125 std::set<C2String> mLoadedInterfaces; 126 mutable std::mutex mStructDescriptorsMutex; 127 128 // ComponentStore keeps track of live Components. 129 130 struct ComponentStatus { 131 std::shared_ptr<C2Component> c2Component; 132 std::chrono::system_clock::time_point birthTime; 133 }; 134 135 mutable std::mutex mComponentRosterMutex; 136 std::map<Component*, ComponentStatus> mComponentRoster; 137 138 // describe from mParamReflectors 139 std::shared_ptr<C2StructDescriptor> describe(const C2Param::CoreIndex &index); 140 141 // Called whenever Component is created. 142 void reportComponentBirth(Component* component); 143 // Called only from the destructor of Component. 144 void reportComponentDeath(Component* component); 145 146 friend Component; 147 148 // Helper functions for dumping. 149 150 std::ostream& dump( 151 std::ostream& out, 152 const std::shared_ptr<const C2Component::Traits>& comp); 153 154 std::ostream& dump( 155 std::ostream& out, 156 ComponentStatus& compStatus); 157 158 }; 159 160 } // namespace utils 161 } // namespace c2 162 } // namespace media 163 } // namespace hardware 164 } // namespace android 165 } // namespace aidl 166 167 #endif // CODEC2_AIDL_UTILS_COMPONENTSTORE_H 168