00001 00002 /* 00003 * Copyright (c) 2001-2004 MUSIC TECHNOLOGY GROUP (MTG) 00004 * UNIVERSITAT POMPEU FABRA 00005 * 00006 * 00007 * This program is free software; you can redistribute it and/or modify 00008 * it under the terms of the GNU General Public License as published by 00009 * the Free Software Foundation; either version 2 of the License, or 00010 * (at your option) any later version. 00011 * 00012 * This program is distributed in the hope that it will be useful, 00013 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00015 * GNU General Public License for more details. 00016 * 00017 * You should have received a copy of the GNU General Public License 00018 * along with this program; if not, write to the Free Software 00019 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00020 * 00021 */ 00022 00023 00024 #ifndef _SpectralAverage_ 00025 #define _SpectralAverage_ 00026 00027 #include "InPort.hxx" 00028 #include "OutPort.hxx" 00029 #include "InControl.hxx" 00030 #include "Frame.hxx" 00031 #include "FrameTransformation.hxx" 00032 #include "FrameTransformationConfig.hxx" 00033 00034 namespace CLAM{ 00035 00036 class SpectralAverage: public FrameTransformationTmpl<Spectrum> 00037 { 00038 InPort<Spectrum> mIn; 00039 OutPort<Spectrum> mOut; 00040 00041 FloatInControl mPoints; 00042 public: 00043 const char* GetClassName() const 00044 { 00045 return "SpectralAverage"; 00046 } 00047 00048 SpectralAverage() 00049 : 00050 mIn("In Spectrum", this), 00051 mOut("Out Spectrum", this), 00052 mPoints("Average Points", this) 00053 { 00054 Configure( FrameTransformationConfig() ); 00055 } 00056 00057 ~SpectralAverage() {} 00058 00059 virtual bool InitControls() 00060 { 00061 mPoints.DoControl(50); 00062 00063 return true; 00064 } 00065 00066 bool Do(const Frame& in, Frame& out) 00067 { 00068 return Do(in.GetSpectrum(), 00069 out.GetSpectrum()); 00070 } 00071 00072 bool Do(const Spectrum& in, Spectrum& out); 00073 00074 bool Do() 00075 { 00076 bool result = Do(mIn.GetData(), mOut.GetData()); 00077 mIn.Consume(); 00078 mOut.Produce(); 00079 return result; 00080 } 00081 private: 00082 DataArray mMag; 00083 }; 00084 };//namespace CLAM 00085 00086 #endif // _SpectralAverage_