3BandCompressor.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 _ThreeBandCompressor_
00025 #define _ThreeBandCompressor_
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 
00034 namespace CLAM{
00049         class ThreeBandCompressor: public FrameTransformationTmpl<Spectrum>
00050         {
00051                 InPort<Spectrum> mIn;
00052                 OutPort<Spectrum> mOut;
00053 
00054                 FloatInControl mLowCutoffFreqCtl;
00055                 FloatInControl mHighCutoffFreqCtl;
00056                 FloatInControl mLowThresholdCtl;
00057                 FloatInControl mMidThresholdCtl;
00058                 FloatInControl mHighThresholdCtl;
00059         public:
00060                 const char* GetClassName() const
00061                 {
00062                         return "ThreeBandCompressor";
00063                 }
00064 
00065                 ThreeBandCompressor() 
00066                         : mIn("In Spectrum", this)
00067                         , mOut("Out Spectrum", this)
00068                         , mLowCutoffFreqCtl("LowCutoff", this)
00069                         , mHighCutoffFreqCtl("HighCutoff", this)
00070                         , mLowThresholdCtl("LowThreshold", this)
00071                         , mMidThresholdCtl("MidThreshold", this)
00072                         , mHighThresholdCtl("HighThreshold", this)
00073                 {
00074                         Configure( FrameTransformationConfig() );
00075                         mLowCutoffFreqCtl.SetBounds(0.,1.);
00076                         mHighCutoffFreqCtl.SetBounds(0.,1.);
00077                 }
00078 
00079                 ~ThreeBandCompressor() {}       
00080                 
00081                 virtual bool InitControls()
00082                 { 
00083                         mLowCutoffFreqCtl.DoControl(1000);
00084                         mHighCutoffFreqCtl.DoControl(5000);
00085                         
00086                         mLowThresholdCtl.DoControl(0);
00087                         mMidThresholdCtl.DoControl(0);
00088                         mHighThresholdCtl.DoControl(0);
00089                         
00090                         return true;
00091                 }
00092 
00093                 bool Do(const Frame& in, Frame& out)
00094                 {
00095                         return Do(in.GetSpectrum(), out.GetSpectrum());
00096                 }
00097 
00098                 bool Do(const Spectrum& in, Spectrum& out);
00099 
00100                 bool Do()
00101                 {
00102                         bool result = Do(mIn.GetData(), mOut.GetData()); 
00103                         mIn.Consume();
00104                         mOut.Produce();
00105                         return result;
00106                 }
00107         };
00108 }//namespace CLAM
00109 
00110 #endif // _ThreeBandCompressor_
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