CLAM-Development
1.1
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00001 /* 00002 * Copyright (c) 2001-2004 MUSIC TECHNOLOGY GROUP (MTG) 00003 * UNIVERSITAT POMPEU FABRA 00004 * 00005 * 00006 * This program is free software; you can redistribute it and/or modify 00007 * it under the terms of the GNU General Public License as published by 00008 * the Free Software Foundation; either version 2 of the License, or 00009 * (at your option) any later version. 00010 * 00011 * This program is distributed in the hope that it will be useful, 00012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00014 * GNU General Public License for more details. 00015 * 00016 * You should have received a copy of the GNU General Public License 00017 * along with this program; if not, write to the Free Software 00018 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00019 * 00020 */ 00021 00022 00023 #ifndef _SpectralFocus_ 00024 #define _SpectralFocus_ 00025 00026 #include "SpectralEnvelopeExtract.hxx" 00027 #include "SpectralEnvelopeApply.hxx" 00028 #include "Frame.hxx" 00029 #include "InPort.hxx" 00030 #include "OutPort.hxx" 00031 #include "InControl.hxx" 00032 #include "FrameTransformation.hxx" 00033 #include "FrameTransformationConfig.hxx" 00034 #include "SegmentTransformationConfig.hxx" 00035 #include "Spectrum.hxx" 00036 #include "SpecTypeFlags.hxx" 00037 00038 00039 namespace CLAM{ 00040 00045 class SpectralFocus: public FrameTransformationTmpl<Spectrum> 00046 { 00047 00048 const char *GetClassName() const {return "SpectralFocus";} 00049 00050 InPort<Spectrum> mIn; 00051 OutPort<Spectrum> mOut; 00052 00053 InControl mCenterFreqCtl; 00054 InControl mFocusAmount; 00055 00056 public: 00057 00058 SpectralFocus() 00059 : 00060 mIn("InSpectrum", this), 00061 mOut("OutSpectrum", this), 00062 mCenterFreqCtl("CenterFreq", this), 00063 mFocusAmount("Focus Amount", this) 00064 { 00065 Configure( SegmentTransformationConfig() ); 00066 SpecTypeFlags flg; 00067 flg.bMagPhase = 1; 00068 flg.bMagPhaseBPF = 1; 00069 mBPFSpectrum.SetType(flg); 00070 mFlag.bMagPhase = 0; 00071 mFlag.bMagPhaseBPF = true; 00072 } 00073 00074 ~SpectralFocus() {} 00075 00076 virtual bool InitControls() 00077 { 00078 mCenterFreqCtl.DoControl(1000); 00079 mFocusAmount.DoControl(100); 00080 00081 return true; 00082 } 00083 00084 bool Do(const Frame& in, Frame& out) 00085 { 00086 return Do(in.GetSpectrum(), 00087 out.GetSpectrum()); 00088 } 00089 00090 bool Do(const Spectrum& inpeaks,Spectrum& out); 00091 00092 bool Do() 00093 { 00094 bool result = Do(mIn.GetData(), mOut.GetData()); 00095 mIn.Consume(); 00096 mOut.Produce(); 00097 return result; 00098 } 00099 00100 private: 00101 Spectrum mBPFSpectrum; 00102 SpecTypeFlags mFlag; 00103 }; 00104 } //namespace CLAM 00105 00106 #endif // _SpectralFocus_ 00107