SpectralSynthesis.hxx

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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 _SpectralSynthesis_
00023 #define _SpectralSynthesis_
00024 
00025 //uncomment this if you want to use Ooura fft instead of fftw 
00026 //#define CLAM_OOURA
00027 
00028 #include "ProcessingComposite.hxx"
00029 
00030 #include "Array.hxx"
00031 #include "Audio.hxx"
00032 #include "DataTypes.hxx"
00033 #include "DynamicType.hxx"
00034 #include "Err.hxx"
00035 #include "IFFT.hxx"
00036 
00037 #include "Frame.hxx"
00038 #include "Segment.hxx"
00039 #include "InControl.hxx"
00040 #include "Spectrum.hxx"
00041 #include "ProcessingData.hxx"
00042 #include "ProcessingDataConfig.hxx"
00043 #include "Processing.hxx"
00044 #include "AudioMultiplier.hxx"
00045 #include "WindowGenerator.hxx"
00046 #include "OverlapAdd.hxx"
00047 #include "AudioCircularBuffer.hxx"
00048 #include "CircularShift.hxx"
00049 
00050 
00051 
00052 #include "SpectralAnalysis.hxx"
00053 
00054 #include <stdlib.h>
00055 
00056 #include "SpectralSynthesisConfig.hxx"
00057 
00058 #include "AudioOutPort.hxx"
00059 #include "InPort.hxx"
00060 
00061 namespace CLAM {
00062 
00063 
00064 
00065 
00066         /* SpectralSynthesisConfig moved to SpectralSynthesisConfig.hxx */
00067 
00068 
00072         class SpectralSynthesis : public ProcessingComposite {
00073 
00074 private:
00075                 // Configuration data
00076                 SpectralSynthesisConfig mConfig;
00077 
00078 
00079                 //internal Processing Data
00080                 Audio                     mAudio0,mAudio1, mAudio2,mAudio3;
00081                 //Spectrum                  Spec;
00082                 Audio                    mSynthWindow;
00083 
00084 
00085                 //internal Processing Objects
00086                 WindowGenerator                 mPO_AnalWindowGen;
00087                 WindowGenerator                 mPO_SynthWindowGen;
00088                 IFFT                            mPO_IFFT;
00089                 AudioMultiplier            mPO_AudioProduct;
00090                 CircularShift                   mPO_CircularShift;
00091                         
00092                 // And the interfaces with the outside world.
00093 
00094                 
00095                 // Internal convenience methods.
00096 
00097                 void AttachChildren();
00098                 bool ConfigureChildren();
00099                 void ConfigureData();
00100 
00101                 
00103                 bool ConcreteConfigure(const ProcessingConfig&);
00104 
00105                 TInt32 CalculatePowerOfTwo(TInt32 size);
00106 
00107         public:
00108                 SpectralSynthesis(const SpectralSynthesisConfig& cfg);
00109                 SpectralSynthesis();
00110                 ~SpectralSynthesis();
00111 
00112                 // Processing Object compliance methods.
00113                 const char *GetClassName() const {return "SpectralSynthesis";}
00114 
00115 
00116                 const ProcessingConfig &GetConfig() const {return mConfig;}
00117 
00119                 bool Do(void);
00120 
00122                 bool Do(Spectrum& in, Audio &out);
00123                 
00124                 bool Do(Frame& in);
00125                 bool Do(Segment& in);
00126 
00127 
00129                 InPort<Spectrum>     mInput;
00130                 AudioOutPort mOutput;
00131 
00132 
00133         };
00134 
00135 } //end of namespace
00136 
00137 #endif //_SpectralSynthesis_
00138 
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