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 "SMSResidualGain.hxx" 00023 #include "ProcessingFactory.hxx" 00024 00025 00026 namespace CLAM 00027 { 00028 00029 namespace Hidden 00030 { 00031 static const char * metadata[] = { 00032 "key", "SMSResidualGain", 00033 "category", "SMS Transformations", 00034 "description", "SMSResidualGain", 00035 0 00036 }; 00037 static FactoryRegistrator<ProcessingFactory, SMSResidualGain> reg = metadata; 00038 } 00039 00040 00041 bool SMSResidualGain::Do(const Spectrum& in, Spectrum& out) 00042 { 00043 out = in; // TODO big cludge for streaming 00044 TSize spectrumSize = in.GetSize(); 00045 if(in.GetScale()==EScale::eLinear) 00046 { 00047 TData amount = Lin(mGain.GetLastValue()); 00048 for(int i=0;i<spectrumSize;i++) 00049 { 00050 out.SetMag(i,in.GetMag(i)*amount); 00051 } 00052 } 00053 else 00054 { 00055 TData amount = mGain.GetLastValue(); 00056 for(int i=0;i<spectrumSize;i++) 00057 { 00058 out.SetMag(i,in.GetMag(i)+amount); 00059 } 00060 } 00061 return true; 00062 } 00063 00064 } 00065