CLAM-Development  1.4.0
3BandCompressor.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 _ThreeBandCompressor_
25 #define _ThreeBandCompressor_
26 
27 #include "InPort.hxx"
28 #include "OutPort.hxx"
29 #include "InControl.hxx"
30 #include "Frame.hxx"
31 #include "FrameTransformation.hxx"
33 
34 namespace CLAM{
50  {
51  InPort<Spectrum> mIn;
52  OutPort<Spectrum> mOut;
53 
54  FloatInControl mLowCutoffFreqCtl;
55  FloatInControl mHighCutoffFreqCtl;
56  FloatInControl mLowThresholdCtl;
57  FloatInControl mMidThresholdCtl;
58  FloatInControl mHighThresholdCtl;
59  public:
60  const char* GetClassName() const
61  {
62  return "ThreeBandCompressor";
63  }
64 
66  : mIn("In Spectrum", this)
67  , mOut("Out Spectrum", this)
68  , mLowCutoffFreqCtl("LowCutoff", this)
69  , mHighCutoffFreqCtl("HighCutoff", this)
70  , mLowThresholdCtl("LowThreshold", this)
71  , mMidThresholdCtl("MidThreshold", this)
72  , mHighThresholdCtl("HighThreshold", this)
73  {
75  mLowCutoffFreqCtl.SetBounds(0.,1.);
76  mHighCutoffFreqCtl.SetBounds(0.,1.);
77  }
78 
80 
81  virtual bool InitControls()
82  {
83  mLowCutoffFreqCtl.DoControl(1000);
84  mHighCutoffFreqCtl.DoControl(5000);
85 
86  mLowThresholdCtl.DoControl(0);
87  mMidThresholdCtl.DoControl(0);
88  mHighThresholdCtl.DoControl(0);
89 
90  return true;
91  }
92 
93  bool Do(const Frame& in, Frame& out)
94  {
95  return Do(in.GetSpectrum(), out.GetSpectrum());
96  }
97 
98  bool Do(const Spectrum& in, Spectrum& out);
99 
100  bool Do()
101  {
102  bool result = Do(mIn.GetData(), mOut.GetData());
103  mIn.Consume();
104  mOut.Produce();
105  return result;
106  }
107  };
108 }//namespace CLAM
109 
110 #endif // _ThreeBandCompressor_