00001 /* 00002 * PIAVE - PIAVE Is A Video Editor 00003 * 00004 * Copyright (C) 2002 Rolf Dubitzky, rolf@dubitzky.de 00005 * 00006 */ 00007 00008 /* 00009 * This program is free software; you can redistribute it and/or modify 00010 * it under the terms of the GNU General Public License as published by 00011 * the Free Software Foundation; either version 2 of the License, or 00012 * (at your option) any later version. 00013 * 00014 * This program is distributed in the hope that it will be useful, 00015 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00016 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00017 * GNU General Public License for more details. 00018 * 00019 * You should have received a copy of the GNU General Public License 00020 * along with this program; if not, write to the Free Software Foundation, 00021 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 00022 */ 00023 00024 00029 #if ! defined( SAMPLERATE_HH ) 00030 #define SAMPLERATE_HH 00031 00032 // PIAVE 00033 #include "libpiave/operatorbase.hh" 00034 #include "libpiave/plugin.hh" 00035 00036 namespace PIAVE { 00037 00038 class SampleratePlugin : public Plugin 00039 { 00040 public: 00041 SampleratePlugin(); 00042 virtual PluginBase * newElement( const PropertyNode * p = 0 ); 00043 }; 00044 00045 /* 00046 * \class samplerate filter serves as example for a plugin 00047 * 00048 * there are three things to a plugin. the class SamplerateFilterPlugin 00049 * manages the whole interface and setup of the actual media element 00050 * SamplerateFilter and last you have to call the PLUGIN macro (outside of 00051 * the namespace( 00052 * 00053 */ 00054 00055 class SamplerateFilter : public UnaryOp 00056 { 00057 public: 00058 SamplerateFilter( const std::string & name ) : UnaryOp( name) {}; 00059 virtual void renderFrame( Frame & f, Time t ); 00060 virtual PropertyNode * getProperties( PropertyNode * p=0) const { return 0; }; 00061 }; 00062 00063 00064 } 00065 00066 #endif