SMSFreqShift.hxx

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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 
00023 #ifndef _SMSFreqShift_
00024 #define _SMSFreqShift_
00025 
00026 #include "InPort.hxx"
00027 #include "OutPort.hxx"
00028 #include "InControl.hxx"
00029 #include "SpectralPeakArray.hxx"
00030 #include "Frame.hxx"
00031 #include "SegmentTransformationConfig.hxx"
00032 #include "FrameTransformation.hxx"
00033 #include "FrameTransformationConfig.hxx"
00034 
00035 namespace CLAM{
00036 
00037         class SMSFreqShift: public FrameTransformation
00038         {
00039                 InPort<SpectralPeakArray> mIn;
00040                 OutPort<SpectralPeakArray> mOut;
00041 
00042                 FloatInControl mSteps;
00043         public:
00044                 const char* GetClassName() const
00045                 {
00046                         return "SMSFreqShift";
00047                 }
00048 
00049                 SMSFreqShift() 
00050                         : 
00051                         mIn("In SpectralPeaks", this),
00052                         mOut("Out SpectralPeaks", this),
00053                         mSteps("Shift Steps", this)
00054                 {
00055                         Configure( FrameTransformationConfig() );
00056                 }
00057 
00058                 ~SMSFreqShift() {}      
00059                 
00060                 bool Do(const Frame& in, Frame& out)
00061                 {
00062                         return Do(in.GetSpectralPeakArray(), 
00063                                   out.GetSpectralPeakArray());
00064                 }
00065 
00066                 bool Do(const SpectralPeakArray& in, SpectralPeakArray& out);
00067 
00068                 bool Do()
00069                 {
00070                         bool result = Do(mIn.GetData(), mOut.GetData()); 
00071                         mIn.Consume();
00072                         mOut.Produce();
00073                         return result;
00074                 }
00075         
00076         };              
00077 };//namespace CLAM
00078 
00079 #endif // _SMSFreqShift_
00080 
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