SMSSinusoidalGain.cxx

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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 "SMSSinusoidalGain.hxx"
00023 #include "ProcessingFactory.hxx"
00024 
00025 
00026 namespace CLAM
00027 {
00028 
00029 namespace Hidden
00030 {       
00031         static const char * metadata[] =  {
00032                 "key", "SMSSinusoidalGain",
00033                 "category", "SMS Transformations",
00034                 "description", "SMSSinusoidalGain",
00035                 0
00036         };
00037         static FactoryRegistrator<ProcessingFactory, SMSSinusoidalGain> reg = metadata;
00038 }
00039 
00040 
00041 bool SMSSinusoidalGain::Do(const SpectralPeakArray& in, SpectralPeakArray& out)
00042 {
00043         out = in; // TODO  big cludge for streaming
00044         
00045         TSize nPeaks=in.GetnPeaks();
00046         out.SetnMaxPeaks(in.GetnMaxPeaks());
00047         out.SetnPeaks(nPeaks);
00048         
00049         TData amount=mGain.GetLastValue();
00050         SpectralPeak tmpPeak;
00051         IndexArray indexArray=in.GetIndexArray();
00052         for(int i=0;i<nPeaks;i++)
00053         {
00054                 tmpPeak=in.GetSpectralPeak(i);
00055                 tmpPeak.SetMag(tmpPeak.GetMag()+amount);
00056                 out.SetSpectralPeak(i,tmpPeak,indexArray[i]);
00057         }
00058         return true;
00059 }
00060 
00061 }
00062 
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