1 /* 2 * Copyright (C) 2009 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 OMX_MASTER_H_ 18 19 #define OMX_MASTER_H_ 20 21 #include <media/hardware/OMXPluginBase.h> 22 23 #include <utils/threads.h> 24 #include <utils/KeyedVector.h> 25 #include <utils/List.h> 26 #include <utils/String8.h> 27 28 namespace android { 29 30 struct OMXMaster : public OMXPluginBase { 31 OMXMaster(); 32 virtual ~OMXMaster(); 33 34 virtual OMX_ERRORTYPE makeComponentInstance( 35 const char *name, 36 const OMX_CALLBACKTYPE *callbacks, 37 OMX_PTR appData, 38 OMX_COMPONENTTYPE **component); 39 40 virtual OMX_ERRORTYPE destroyComponentInstance( 41 OMX_COMPONENTTYPE *component); 42 43 virtual OMX_ERRORTYPE enumerateComponents( 44 OMX_STRING name, 45 size_t size, 46 OMX_U32 index); 47 48 virtual OMX_ERRORTYPE getRolesOfComponent( 49 const char *name, 50 Vector<String8> *roles); 51 52 private: 53 char mProcessName[16]; 54 Mutex mLock; 55 struct Plugin { 56 OMXPluginBase *mOmx; 57 void *mLibHandle; 58 }; 59 List<Plugin> mPlugins; 60 KeyedVector<String8, OMXPluginBase *> mPluginByComponentName; 61 KeyedVector<OMX_COMPONENTTYPE *, OMXPluginBase *> mPluginByInstance; 62 63 void addVendorPlugin(); 64 void addPlatformPlugin(); 65 void addPlugin(const char *libname); 66 void addPlugin(OMXPluginBase *plugin); 67 void clearPlugins(); 68 69 OMXMaster(const OMXMaster &); 70 OMXMaster &operator=(const OMXMaster &); 71 }; 72 73 } // namespace android 74 75 #endif // OMX_MASTER_H_ 76