CLAM-Development
1.1
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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 _Peakalizer_ 00025 #define _Peakalizer_ 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{ 00035 00036 class Peakalizer: public FrameTransformationTmpl<Spectrum> 00037 { 00038 InPort<Spectrum> mIn; 00039 OutPort<Spectrum> mOut; 00040 00041 InControl mThresholdCtl; 00042 InControl mBandWidthCtl; 00043 public: 00044 const char* GetClassName() const 00045 { 00046 return "Peakalizer"; 00047 } 00048 00049 Peakalizer() 00050 : 00051 mIn("In Spectrum", this), 00052 mOut("Out Spectrum", this), 00053 mThresholdCtl("Threshold", this), 00054 mBandWidthCtl("Bandwidth", this) 00055 { 00056 Configure( FrameTransformationConfig() ); 00057 } 00058 00059 ~Peakalizer() {} 00060 00061 virtual bool InitControls() 00062 { 00063 mThresholdCtl.DoControl(-60); 00064 mBandWidthCtl.DoControl(500); 00065 00066 return true; 00067 } 00068 00069 bool Do(const Frame& in, Frame& out) 00070 { 00071 return Do(in.GetSpectrum(), 00072 out.GetSpectrum()); 00073 } 00074 00075 bool Do(const Spectrum& in, Spectrum& out); 00076 00077 bool Do() 00078 { 00079 bool result = Do(mIn.GetData(), mOut.GetData()); 00080 mIn.Consume(); 00081 mOut.Produce(); 00082 return result; 00083 } 00084 private: 00085 DataArray mMag; 00086 }; 00087 };//namespace CLAM 00088 00089 #endif // _Peakalizer_