SpectralGate.hxx

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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 _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_
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