CLAM-Development  1.4.0
SpectralRingModulation.hxx
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1 
2 /*
3  * Copyright (c) 2001-2004 MUSIC TECHNOLOGY GROUP (MTG)
4  * UNIVERSITAT POMPEU FABRA
5  *
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation; either version 2 of the License, or
10  * (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20  *
21  */
22 
23 
24 #ifndef _SpectralRingModulation_
25 #define _SpectralRingModulation_
26 
27 #include "InPort.hxx"
28 #include "OutPort.hxx"
29 #include "InControl.hxx"
30 #include "Frame.hxx"
31 #include "FrameTransformation.hxx"
33 #include "SimpleOscillator.hxx"
34 
35 namespace CLAM{
36 
38  {
39  InPort<Spectrum> mIn;
40  OutPort<Spectrum> mOut;
41 
42  FloatInControl mFreqCtl;
43  FloatInControl mWidthCtl;
44  public:
45  const char* GetClassName() const
46  {
47  return "SpectralRingMod";
48  }
49 
51  :
52  mIn("In Spectrum", this),
53  mOut("Out Spectrum", this),
54  mFreqCtl("Freq", this),
55  mWidthCtl("Width", this)
56  {
59  cfg.SetFrequency(200);
60  cfg.SetAmplitude(1);
61  mOscillator.Configure(cfg);
62  }
63 
65  virtual bool InitControls()
66  {
67  mFreqCtl.DoControl(1000.);
68  mWidthCtl.DoControl(1.);
69  return true;
70  }
71 
72  bool Do(const Frame& in, Frame& out)
73  {
74  return Do(in.GetSpectrum(),
75  out.GetSpectrum());
76  }
77 
78  bool Do(const Spectrum& in, Spectrum& out);
79 
80  bool Do()
81  {
82  bool result = Do(mIn.GetData(), mOut.GetData());
83  mIn.Consume();
84  mOut.Produce();
85  return result;
86  }
87  private:
88  SimpleOscillator mOscillator;
89  };
90 };//namespace CLAM
91 
92 #endif // _SpectralRingModulation_