FreqShift.hxx

Go to the documentation of this file.
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 
00023 #ifndef _FreqShift_
00024 #define _FreqShift_
00025 
00026 #include "InPort.hxx"
00027 #include "OutPort.hxx"
00028 #include "InControl.hxx"
00029 #include "Frame.hxx"
00030 #include "FrameTransformation.hxx"
00031 #include "FrameTransformationConfig.hxx"
00032 
00033 namespace CLAM{
00034 
00035         class FreqShift: public FrameTransformationTmpl<Spectrum>
00036         {
00037                 InPort<Spectrum> mIn;
00038                 OutPort<Spectrum> mOut;
00039 
00040 
00041                 FloatInControl mShiftAmount;
00042         public:
00043                 const char* GetClassName() const
00044                 {
00045                         return "FreqShift";
00046                 }
00047 
00048                 FreqShift() 
00049                         : 
00050                         mIn("In Spectrum", this),
00051                         mOut("Out Spectrum", this),
00052                         mShiftAmount("Shift Amount", this)
00053                 {
00054                         Configure( FrameTransformationConfig() );
00055                 }
00056 
00057                 ~FreqShift() {} 
00058                 
00059                 bool Do(const Frame& in, Frame& out)
00060                 {
00061                         return Do(in.GetSpectrum(), 
00062                                   out.GetSpectrum());
00063                 }
00064 
00065                 bool Do(const Spectrum& in, Spectrum& out);
00066 
00067                 bool Do()
00068                 {
00069                         bool result = Do(mIn.GetData(), mOut.GetData()); 
00070                         mIn.Consume();
00071                         mOut.Produce();
00072                         return result;
00073                 }
00074         private:
00075                 DataArray mOMagArray;
00076                 DataArray mOPhaseArray;
00077         
00078         };              
00079 };//namespace CLAM
00080 
00081 #endif // _FreqShift_
00082 
Generated by  doxygen 1.6.3