CLAM-Development
1.1
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00001 /* 00002 * Copyright (c) 2001-2004 MUSIC TECHNOLOGY GROUP (MTG) 00003 * UNIVERSITAT POMPEU FABRA 00004 * 00005 * 00006 * This program is free software; you can redistribute it and/or modify 00007 * it under the terms of the GNU General Public License as published by 00008 * the Free Software Foundation; either version 2 of the License, or 00009 * (at your option) any later version. 00010 * 00011 * This program is distributed in the hope that it will be useful, 00012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00014 * GNU General Public License for more details. 00015 * 00016 * You should have received a copy of the GNU General Public License 00017 * along with this program; if not, write to the Free Software 00018 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00019 * 00020 */ 00021 00022 #include "SpectralRingModulation.hxx" 00023 #include "ProcessingFactory.hxx" 00024 00025 namespace CLAM 00026 { 00027 00028 namespace Hidden 00029 { 00030 static const char * metadata[] = { 00031 "key", "SpectralRingModulation", 00032 // "category", "Spectral Transformations", 00033 // "description", "SpectralRingModulation", 00034 0 00035 }; 00036 static FactoryRegistrator<ProcessingFactory, SpectralRingModulation> reg = metadata; 00037 } 00038 00039 bool SpectralRingModulation::Do(const Spectrum& in, Spectrum& out) 00040 { 00041 if ( !mConfig.GetPreserveOuts() ) 00042 { 00043 out = in; //TODO big cludge for streaming 00044 } 00045 00046 int spectrumSize = in.GetSize(); 00047 00048 SendFloatToInControl(mOscillator,"Pitch",mFreqCtl.GetLastValue()); 00049 SendFloatToInControl(mOscillator,"Amplitude",mWidthCtl.GetLastValue()); 00050 //kludge: this is not taking into account the possible overlap between windows!! 00051 SendFloatToInControl(mOscillator,"SamplesBetweenCalls",(spectrumSize-1)/2); 00052 00053 DataArray& oMag = out.GetMagBuffer(); 00054 00055 TData modFactor; 00056 mOscillator.Do(modFactor); 00057 00058 for(int i = 0; i<spectrumSize; i++) 00059 { 00060 oMag[i] = oMag[i] * modFactor; 00061 } 00062 return true; 00063 } 00064 00065 00066 00067 } 00068