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src
Processing
Analysis
SpectralAnalysis.hxx
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/*
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* Copyright (c) 2001-2004 MUSIC TECHNOLOGY GROUP (MTG)
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* UNIVERSITAT POMPEU FABRA
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#ifndef __SpectralAnalysis__
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#define __SpectralAnalysis__
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//Uncomment this line if you want to use Ooura fft instead of fftw
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//#define CLAM_OOURA
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#include "
WindowGenerator.hxx
"
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#include "
CircularShift.hxx
"
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#include "
SpectralAnalysisConfig.hxx
"
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#include "
Audio.hxx
"
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#include "
AudioMultiplier.hxx
"
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#include "
ProcessingComposite.hxx
"
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#include "
FFT.hxx
"
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#include "
Spectrum.hxx
"
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#include "
AudioInPort.hxx
"
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#include "
OutPort.hxx
"
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namespace
CLAM {
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class
Frame;
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class
Segment;
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class
ProcessingConfig;
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class
SpectralAnalysis
:
public
ProcessingComposite
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{
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public
:
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// Processing Object compliance methods.
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const
char
*
GetClassName
()
const
{
return
"SpectralAnalysis"
;}
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SpectralAnalysis
(
SpectralAnalysisConfig
& config);
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SpectralAnalysis
();
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~SpectralAnalysis
();
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const
ProcessingConfig
&
GetConfig
()
const
{
return
mConfig;}
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bool
Do
(
void
);
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bool
Do
(
const
Audio
& in,
Spectrum
& outSp);
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bool
Do
(
Frame
& in);
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bool
Do
(
Segment
& in);
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private
:
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SpectralAnalysisConfig
mConfig;
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// The internal Processing Objects
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WindowGenerator
mPO_WinGen;
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AudioMultiplier
mPO_AProduct;
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CircularShift
mPO_CShift;
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FFT
mPO_FFT;
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// AudioCircularBuffer mCircularBuffer;
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//Internal DataObjects
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Audio
mAudioFrame;
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Audio
mWindow;
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Spectrum
mSpec;
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// Internal convenience methods.
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void
AttachChildren();
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bool
ConfigureChildren();
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void
ConfigureData();
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bool
ConcreteConfigure(
const
ProcessingConfig
&);
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AudioInPort
mInput;
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OutPort<Spectrum>
mOutput;
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};
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}
//namespace
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#endif
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