CLAM-Development
1.1
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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 _SpectralRingModulation_ 00025 #define _SpectralRingModulation_ 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 #include "SimpleOscillator.hxx" 00034 00035 namespace CLAM{ 00036 00037 class SpectralRingModulation: public FrameTransformationTmpl<Spectrum> 00038 { 00039 InPort<Spectrum> mIn; 00040 OutPort<Spectrum> mOut; 00041 00042 InControl mFreqCtl; 00043 InControl mWidthCtl; 00044 public: 00045 const char* GetClassName() const 00046 { 00047 return "SpectralRingMod"; 00048 } 00049 00050 SpectralRingModulation() 00051 : 00052 mIn("In Spectrum", this), 00053 mOut("Out Spectrum", this), 00054 mFreqCtl("Freq", this), 00055 mWidthCtl("Width", this) 00056 { 00057 Configure( FrameTransformationConfig() ); 00058 SimpleOscillatorConfig cfg; 00059 cfg.SetFrequency(200); 00060 cfg.SetAmplitude(1); 00061 mOscillator.Configure(cfg); 00062 } 00063 00064 ~SpectralRingModulation() {} 00065 virtual bool InitControls() 00066 { 00067 mFreqCtl.DoControl(1000.); 00068 mWidthCtl.DoControl(1.); 00069 return true; 00070 } 00071 00072 bool Do(const Frame& in, Frame& out) 00073 { 00074 return Do(in.GetSpectrum(), 00075 out.GetSpectrum()); 00076 } 00077 00078 bool Do(const Spectrum& in, Spectrum& out); 00079 00080 bool Do() 00081 { 00082 bool result = Do(mIn.GetData(), mOut.GetData()); 00083 mIn.Consume(); 00084 mOut.Produce(); 00085 return result; 00086 } 00087 private: 00088 SimpleOscillator mOscillator; 00089 }; 00090 };//namespace CLAM 00091 00092 #endif // _SpectralRingModulation_