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SharedAdaptor.hpp
00001 /*********************************************************************** 00002 * * 00003 * ViTooKi * 00004 * * 00005 * title: SharedAdaptor.hpp * 00006 * * 00007 * * 00008 * * 00009 * ITEC institute of the University of Klagenfurt (Austria) * 00010 * http://www.itec.uni-klu.ac.at * 00011 * * 00012 * * 00013 * For more information visit the ViTooKi homepage: * 00014 * http://ViTooKi.sourceforge.net * 00015 * vitooki-user@lists.sourceforge.net * 00016 * vitooki-devel@lists.sourceforge.net * 00017 * * 00018 * This file is part of ViTooKi, a free video toolkit. * 00019 * ViTooKi is free software; you can redistribute it and/or * 00020 * modify it under the terms of the GNU General Public License * 00021 * as published by the Free Software Foundation; either version 2 * 00022 * of the License, or (at your option) any later version. * 00023 * * 00024 * This program is distributed in the hope that it will be useful, * 00025 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 00026 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * 00027 * GNU General Public License for more details. * 00028 * * 00029 * You should have received a copy of the GNU General Public License * 00030 * along with this program; if not, write to the Free Software * 00031 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, * 00032 * MA 02111-1307, USA. * 00033 * * 00034 ***********************************************************************/ 00035 00036 /*********************************************************************** 00037 * * 00038 * REVISION HISTORY: * 00039 * * 00040 * * 00041 * * 00042 ***********************************************************************/ 00043 00059 #ifndef SharedAdaptor_hpp 00060 #define SharedAdaptor_hpp 00061 00062 #include "Adaptor.hpp" 00063 #include "ReferenceCounter.hpp" 00064 00065 class SharedAdaptor: public Adaptor 00066 { 00067 public: 00068 /* Wrapper for an adaptor so that the shared Adaptor can be used amongst several 00069 * DataChannels/DataSinks. Create one adaptor, one ReferenceCounter and N SharedAdaptor wrappers. 00070 * When deleting the SharedAdaptor, the last one that is deleted will destroy the 00071 * Adaptor. Do not increase the ReferenceCounter outside of the class!!!! 00072 * Increasing and decreasing must happen inside the SharedAdaptor 00073 */ 00074 SharedAdaptor(ReferenceCounter*& ref, Adaptor* &a); 00075 00076 virtual ~SharedAdaptor(); 00077 00078 ReferenceCounter* getReferenceCounter(); 00079 00080 Adaptor* getAdaptor(); 00081 00082 list < Frame * >adapt(Frame * frm) { return adaptor->adapt(frm); }; 00083 00084 Adaptor *clone() { return new SharedAdaptor(usageCnt, adaptor); }; 00085 00086 void initialize() {}; 00087 00090 void setESInfo(ESInfo * esi) {}; 00091 00092 ESInfo * getESInfo() { return NULL; }; 00093 00095 u32 getTranscodingCosts() const { 00096 return 0u; 00097 } 00098 00099 00100 protected: 00102 ReferenceCounter* usageCnt; 00104 Adaptor* adaptor; 00105 }; 00106 00107 00108 #endif