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 _Vocoder_ 00025 #define _Vocoder_ 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 #include "SimpleOscillator.hxx" 00034 00035 namespace CLAM{ 00036 00037 class Vocoder: public FrameTransformationTmpl<Spectrum> 00038 { 00039 InPort<Spectrum> mIn; 00040 OutPort<Spectrum> mOut; 00041 00042 InControl mBand0GainCtl; 00043 InControl mBand1GainCtl; 00044 InControl mBand2GainCtl; 00045 InControl mBand3GainCtl; 00046 InControl mNumBandsCtl; 00047 InControl mFreqShiftCtl; 00048 00049 public: 00050 const char* GetClassName() const 00051 { 00052 return "Vocoder"; 00053 } 00054 00055 Vocoder() 00056 : mIn("In Spectrum", this) 00057 , mOut("Out Spectrum", this) 00058 , mBand0GainCtl("Band0Gain", this) 00059 , mBand1GainCtl("Band1Gain", this) 00060 , mBand2GainCtl("Band2Gain", this) 00061 , mBand3GainCtl("Band3Gain", this) 00062 , mNumBandsCtl("NumBands", this) 00063 , mFreqShiftCtl("FreqShift", this) 00064 { 00065 Configure( FrameTransformationConfig() ); 00066 } 00067 00068 ~Vocoder() {} 00069 00070 bool InitControls() 00071 { 00072 mNumBandsCtl.DoControl(50); 00073 return true; 00074 } 00075 00076 bool Do(const Frame& in, Frame& out) 00077 { 00078 return Do(in.GetSpectrum(), 00079 out.GetSpectrum()); 00080 } 00081 00082 bool Do(const Spectrum& in, Spectrum& out); 00083 00084 bool Do() 00085 { 00086 bool result = Do(mIn.GetData(), mOut.GetData()); 00087 mIn.Consume(); 00088 mOut.Produce(); 00089 return result; 00090 } 00091 private: 00092 DataArray mMagBuffer; 00093 }; 00094 };//namespace CLAM 00095 00096 #endif // _Vocoder_ 00097