Mercurial > hg > svcore
diff data/fileio/FFTFuzzyAdapter.h @ 148:1a42221a1522
* Reorganising code base. This revision will not compile.
author | Chris Cannam |
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date | Mon, 31 Jul 2006 11:49:58 +0000 |
parents | |
children | 59e7fe1b1003 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/data/fileio/FFTFuzzyAdapter.h Mon Jul 31 11:49:58 2006 +0000 @@ -0,0 +1,80 @@ +/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ + +/* + Sonic Visualiser + An audio file viewer and annotation editor. + Centre for Digital Music, Queen Mary, University of London. + This file copyright 2006 Chris Cannam. + + This program is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. See the file + COPYING included with this distribution for more information. +*/ + +#ifndef _FFT_FUZZY_ADAPTER_H_ +#define _FFT_FUZZY_ADAPTER_H_ + +#include "FFTDataServer.h" + +class FFTFuzzyAdapter +{ +public: + FFTFuzzyAdapter(const DenseTimeValueModel *model, + int channel, + WindowType windowType, + size_t windowSize, + size_t windowIncrement, + size_t fftSize, + bool polar, + size_t fillFromColumn = 0); + ~FFTFuzzyAdapter(); + + size_t getWidth() const { + return m_server->getWidth() >> m_xshift; + } + size_t getHeight() const { + return m_server->getHeight() >> m_yshift; + } + float getMagnitudeAt(size_t x, size_t y) { + return m_server->getMagnitudeAt(x << m_xshift, y << m_yshift); + } + float getNormalizedMagnitudeAt(size_t x, size_t y) { + return m_server->getNormalizedMagnitudeAt(x << m_xshift, y << m_yshift); + } + float getMaximumMagnitudeAt(size_t x) { + return m_server->getMaximumMagnitudeAt(x << m_xshift); + } + float getPhaseAt(size_t x, size_t y) { + return m_server->getPhaseAt(x << m_xshift, y << m_yshift); + } + void getValuesAt(size_t x, size_t y, float &real, float &imaginary) { + m_server->getValuesAt(x << m_xshift, y << m_yshift, real, imaginary); + } + bool isColumnReady(size_t x) { + return m_server->isColumnReady(x << m_xshift); + } + bool isLocalPeak(size_t x, size_t y) { + float mag = getMagnitudeAt(x, y); + if (y > 0 && mag < getMagnitudeAt(x, y - 1)) return false; + if (y < getHeight() - 1 && mag < getMagnitudeAt(x, y + 1)) return false; + return true; + } + bool isOverThreshold(size_t x, size_t y, float threshold) { + return getMagnitudeAt(x, y) > threshold; + } + + size_t getFillCompletion() const { return m_server->getFillCompletion(); } + size_t getFillExtent() const { return m_server->getFillExtent(); } + +private: + FFTFuzzyAdapter(const FFTFuzzyAdapter &); // not implemented + FFTFuzzyAdapter &operator=(const FFTFuzzyAdapter &); // not implemented + + FFTDataServer *m_server; + int m_xshift; + int m_yshift; +}; + +#endif