SpectralDelay.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 _SpectralDelay_
00025 #define _SpectralDelay_
00026 
00027 #include "InPort.hxx"
00028 #include "OutPort.hxx"
00029 #include "InControl.hxx"
00030 #include "Frame.hxx"
00031 #include "FrameTransformation.hxx"
00032 #include "FrameTransformationConfig.hxx"
00033 #include "TokenDelay.hxx"
00034 
00035 namespace CLAM{
00036 
00037         class SpectralDelay: public FrameTransformationTmpl<Spectrum>
00038         {
00039                 InPort<Spectrum> mIn;
00040                 OutPort<Spectrum> mOut;
00041 
00042                 FloatInControl mLowCutoffFreqCtl;
00043                 FloatInControl mHighCutoffFreqCtl;
00044                 FloatInControl mLowDelayCtl;
00045                 FloatInControl mMidDelayCtl;
00046                 FloatInControl mHighDelayCtl;
00047         public:
00048                 const char* GetClassName() const
00049                 {
00050                         return "SpectralDelay";
00051                 }
00052 
00053                 SpectralDelay() 
00054                         : 
00055                         mIn("In Spectrum", this), 
00056                         mOut("Out Spectrum", this) ,
00057                         mLowCutoffFreqCtl("LowCutoff", this),
00058                         mHighCutoffFreqCtl("HighCutoff", this),
00059                         mLowDelayCtl("LowDelay", this),
00060                         mMidDelayCtl("MidDelay", this),
00061                         mHighDelayCtl("HighDelay", this)
00062                 {
00063                         Configure( FrameTransformationConfig() );
00064                         TokenDelayConfig cfg;
00065                         cfg.SetDelay(0);
00066                         cfg.SetMaxDelay(100);
00067                         mLFDelay.Configure(cfg);
00068                         mMFDelay.Configure(cfg);
00069                         mHFDelay.Configure(cfg);
00070                 }
00071 
00072                 ~SpectralDelay() {}
00073         
00074                 bool ConcreteConfigure( const ProcessingConfig& config )
00075                 {
00076                         mLowCutoffFreqCtl.SetBounds(0,1000000);
00077                         mLowCutoffFreqCtl.DoControl(1000);
00078                         
00079                         mHighCutoffFreqCtl.SetBounds(0,1000000);
00080                         mHighCutoffFreqCtl.DoControl(5000);
00081                         
00082                         mLowDelayCtl.SetBounds(0,100);
00083                         mLowDelayCtl.DoControl(0);
00084                         
00085                         mMidDelayCtl.SetBounds(0,100);
00086                         mMidDelayCtl.DoControl(0);
00087 
00088                         mHighDelayCtl.SetBounds(0,100);
00089                         mHighDelayCtl.DoControl(0);
00090                         return true;
00091                 }
00092 
00093                 bool Do(const Frame& in, Frame& out)
00094                 {
00095                         return Do(in.GetSpectrum(), 
00096                                   out.GetSpectrum());
00097                 }
00098                 
00099                 bool Do(const Spectrum& in, Spectrum& out);
00100 
00101                 bool Do()
00102                 {
00103                         bool result = Do(mIn.GetData(), mOut.GetData()); 
00104                         mIn.Consume();
00105                         mOut.Produce();
00106                         return result;
00107                 }
00108         private:
00109                 TokenDelay<Spectrum> mLFDelay;
00110                 TokenDelay<Spectrum> mMFDelay;
00111                 TokenDelay<Spectrum> mHFDelay;
00112                 
00113                 Spectrum mLFSpectrum;
00114                 Spectrum mMFSpectrum;
00115                 Spectrum mHFSpectrum;
00116                 
00117                 TSize mFrameSize;
00118         };              
00119 };//namespace CLAM
00120 
00121 #endif // _SpectralDelay_