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 #ifndef _SMSTimeStretch_ 00023 #define _SMSTimeStretch_ 00024 00025 #include "Processing.hxx" 00026 #include "Frame.hxx" 00027 #include "InPort.hxx" 00028 #include "OutPort.hxx" 00029 #include "InControl.hxx" 00030 #include "SMSTimeStretchConfig.hxx" 00031 #include "SpectrumInterpolator.hxx" 00032 #include "SpectralPeakArrayInterpolator.hxx" 00033 00034 // FIXME 00035 // #include "FrameInterpolator.hxx" 00036 00037 namespace CLAM{ 00038 00044 class SMSTimeStretch: public Processing 00045 { 00046 00047 //TODO introduce interpolation of spectral shapes, before that, interpolations may be extracted to external Processing's (this comment is also in doxygen class description) 00048 const char *GetClassName() const {return "SMSTimeStretch";} 00049 00050 InPort<SpectralPeakArray> mInPeaks; 00051 OutPort<SpectralPeakArray> mOutPeaks; 00052 InPort<Fundamental> mInFund; 00053 OutPort<Fundamental> mOutFund; 00054 InPort<Spectrum> mInSpectrum; 00055 OutPort<Spectrum> mOutSpectrum; 00056 00057 00058 public: 00059 SMSTimeStretch() 00060 : 00061 mInPeaks("In SpectralPeaks", this), 00062 mOutPeaks("Out SpectralPeaks", this), 00063 mInFund("In Fundamental", this), 00064 mOutFund("Out Fundamental", this), 00065 mInSpectrum("In Spectrum", this), 00066 mOutSpectrum("Out Spectrum", this) 00067 { 00068 Configure( mConfig ); 00069 } 00070 00071 ~SMSTimeStretch() {} 00072 00073 bool Do() 00074 { 00075 bool result = Do(mInPeaks.GetData(), 00076 mInFund.GetData(), 00077 mInSpectrum.GetData(), 00078 mOutPeaks.GetData(), 00079 mOutFund.GetData(), 00080 mOutSpectrum.GetData() 00081 ); 00082 00083 mInPeaks.Consume(); 00084 mInFund.Consume(); 00085 mInSpectrum.Consume(); 00086 mOutPeaks.Produce(); 00087 mOutFund.Produce(); 00088 mOutSpectrum.Produce(); 00089 00090 return result; 00091 } 00092 00093 bool Do(const Frame& in, Frame& out); 00094 00095 bool Do(const SpectralPeakArray& inPeaks, 00096 const Fundamental& inFund, 00097 const Spectrum& inSpectrum, 00098 SpectralPeakArray& outPeaks, 00099 Fundamental& outFund, 00100 Spectrum& outSpectrum 00101 ); 00102 00103 00104 //FIXME 00105 bool ConcreteStart(); 00106 bool ConcreteStop(); 00107 00108 // bool CanProcessInplace() {return false;} 00109 // bool IsLastFrame(); 00110 // 00111 // Frame& GetCurrentFrame(Segment& out); 00112 // const Frame& GetCurrentFrame(const Segment& in); 00113 // 00114 00115 // InControl mFactor; 00116 00117 typedef SMSTimeStretchConfig Config; 00118 00119 const ProcessingConfig & GetConfig() const 00120 { 00121 return mConfig; 00122 } 00123 00124 protected: 00125 bool ConcreteConfigure(const ProcessingConfig& config); 00126 00127 private: 00128 Config mConfig; 00129 00130 protected: 00131 // bool HaveFinished(); 00132 // void UpdateTimeAndIndex(const Segment& in); 00133 00134 TTime mSynthesisTime; 00135 TTime mAnalysisTime; 00136 TIndex mnSynthesisFrames; 00137 00138 Frame mLeftFrame; 00139 00141 // FrameInterpolator mFrameInterpolator; // FIXME 00142 SpectrumInterpolator mSpectrumInterpolator; 00143 SpectralPeakArrayInterpolator mPeaksInterpolator; 00144 }; 00145 };//namespace CLAM 00146 00147 #endif // _SMSTimeStretch_