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 _SMSFreqShift_ 00024 #define _SMSFreqShift_ 00025 00026 #include "InPort.hxx" 00027 #include "OutPort.hxx" 00028 #include "InControl.hxx" 00029 #include "SpectralPeakArray.hxx" 00030 #include "Frame.hxx" 00031 #include "SegmentTransformationConfig.hxx" 00032 #include "FrameTransformation.hxx" 00033 #include "FrameTransformationConfig.hxx" 00034 00035 namespace CLAM{ 00036 00037 class SMSFreqShift: public FrameTransformation 00038 { 00039 InPort<SpectralPeakArray> mIn; 00040 OutPort<SpectralPeakArray> mOut; 00041 00042 FloatInControl mSteps; 00043 public: 00044 const char* GetClassName() const 00045 { 00046 return "SMSFreqShift"; 00047 } 00048 00049 SMSFreqShift() 00050 : 00051 mIn("In SpectralPeaks", this), 00052 mOut("Out SpectralPeaks", this), 00053 mSteps("Shift Steps", this) 00054 { 00055 Configure( FrameTransformationConfig() ); 00056 } 00057 00058 ~SMSFreqShift() {} 00059 00060 bool Do(const Frame& in, Frame& out) 00061 { 00062 return Do(in.GetSpectralPeakArray(), 00063 out.GetSpectralPeakArray()); 00064 } 00065 00066 bool Do(const SpectralPeakArray& in, SpectralPeakArray& out); 00067 00068 bool Do() 00069 { 00070 bool result = Do(mIn.GetData(), mOut.GetData()); 00071 mIn.Consume(); 00072 mOut.Produce(); 00073 return result; 00074 } 00075 00076 }; 00077 };//namespace CLAM 00078 00079 #endif // _SMSFreqShift_ 00080