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 _SpectralGate_ 00025 #define _SpectralGate_ 00026 00027 #include "InPort.hxx" 00028 #include "OutPort.hxx" 00029 #include "Frame.hxx" 00030 #include "FrameTransformation.hxx" 00031 #include "FrameTransformationConfig.hxx" 00032 00033 namespace CLAM{ 00034 00035 class SpectralGate: public FrameTransformationTmpl<Spectrum> 00036 { 00037 InPort<Spectrum> mIn; 00038 OutPort<Spectrum> mOut; 00039 00040 public: 00041 const char* GetClassName() const 00042 { 00043 return "SpectralGate"; 00044 } 00045 00046 SpectralGate() 00047 : 00048 mIn("In Spectrum", this), 00049 mOut("Out Spectrum", this) 00050 { 00051 Configure( FrameTransformationConfig() ); 00052 } 00053 00054 ~SpectralGate() {} 00055 00056 virtual bool InitControls() 00057 { 00058 mAmount.DoControl(-30); 00059 00060 return true; 00061 } 00062 00063 bool Do(const Frame& in, Frame& out) 00064 { 00065 return Do(in.GetSpectrum(), 00066 out.GetSpectrum()); 00067 } 00068 00069 bool Do(const Spectrum& in, Spectrum& out); 00070 00071 bool Do() 00072 { 00073 bool result = Do(mIn.GetData(), mOut.GetData()); 00074 mIn.Consume(); 00075 mOut.Produce(); 00076 return result; 00077 } 00078 }; 00079 };//namespace CLAM 00080 00081 #endif // _SpectralGate_