annotate data/model/FFTModel.h @ 201:d892237cf790

* Remove some obsolete files
author Chris Cannam
date Wed, 15 Nov 2006 20:00:48 +0000
parents f75f8a1cd7b1
children fb8ddd00f440
rev   line source
Chris@152 1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
Chris@152 2
Chris@152 3 /*
Chris@152 4 Sonic Visualiser
Chris@152 5 An audio file viewer and annotation editor.
Chris@152 6 Centre for Digital Music, Queen Mary, University of London.
Chris@152 7 This file copyright 2006 Chris Cannam.
Chris@152 8
Chris@152 9 This program is free software; you can redistribute it and/or
Chris@152 10 modify it under the terms of the GNU General Public License as
Chris@152 11 published by the Free Software Foundation; either version 2 of the
Chris@152 12 License, or (at your option) any later version. See the file
Chris@152 13 COPYING included with this distribution for more information.
Chris@152 14 */
Chris@152 15
Chris@152 16 #ifndef _FFT_MODEL_H_
Chris@152 17 #define _FFT_MODEL_H_
Chris@152 18
Chris@152 19 #include "data/fft/FFTDataServer.h"
Chris@152 20 #include "DenseThreeDimensionalModel.h"
Chris@152 21
Chris@152 22 class FFTModel : public DenseThreeDimensionalModel
Chris@152 23 {
Chris@152 24 public:
Chris@152 25 FFTModel(const DenseTimeValueModel *model,
Chris@152 26 int channel,
Chris@152 27 WindowType windowType,
Chris@152 28 size_t windowSize,
Chris@152 29 size_t windowIncrement,
Chris@152 30 size_t fftSize,
Chris@152 31 bool polar,
Chris@152 32 size_t fillFromColumn = 0);
Chris@152 33 ~FFTModel();
Chris@152 34
Chris@152 35 float getMagnitudeAt(size_t x, size_t y) {
Chris@152 36 return m_server->getMagnitudeAt(x << m_xshift, y << m_yshift);
Chris@152 37 }
Chris@152 38 float getNormalizedMagnitudeAt(size_t x, size_t y) {
Chris@152 39 return m_server->getNormalizedMagnitudeAt(x << m_xshift, y << m_yshift);
Chris@152 40 }
Chris@152 41 float getMaximumMagnitudeAt(size_t x) {
Chris@152 42 return m_server->getMaximumMagnitudeAt(x << m_xshift);
Chris@152 43 }
Chris@152 44 float getPhaseAt(size_t x, size_t y) {
Chris@152 45 return m_server->getPhaseAt(x << m_xshift, y << m_yshift);
Chris@152 46 }
Chris@152 47 void getValuesAt(size_t x, size_t y, float &real, float &imaginary) {
Chris@152 48 m_server->getValuesAt(x << m_xshift, y << m_yshift, real, imaginary);
Chris@152 49 }
Chris@182 50 bool isColumnAvailable(size_t x) const {
Chris@152 51 return m_server->isColumnReady(x << m_xshift);
Chris@152 52 }
Chris@152 53
Chris@152 54 size_t getFillExtent() const { return m_server->getFillExtent(); }
Chris@152 55
Chris@152 56 // DenseThreeDimensionalModel and Model methods:
Chris@152 57 //
Chris@182 58 virtual size_t getWidth() const {
Chris@182 59 return m_server->getWidth() >> m_xshift;
Chris@182 60 }
Chris@182 61 virtual size_t getHeight() const {
Chris@182 62 return m_server->getHeight() >> m_yshift;
Chris@182 63 }
Chris@182 64 virtual float getValueAt(size_t x, size_t y) const {
Chris@182 65 return const_cast<FFTModel *>(this)->getMagnitudeAt(x, y);
Chris@182 66 }
Chris@152 67 virtual bool isOK() const {
Chris@152 68 return m_server && m_server->getModel();
Chris@152 69 }
Chris@152 70 virtual size_t getStartFrame() const {
Chris@152 71 return 0;
Chris@152 72 }
Chris@152 73 virtual size_t getEndFrame() const {
Chris@152 74 return getWidth() * getResolution() + getResolution();
Chris@152 75 }
Chris@152 76 virtual size_t getSampleRate() const;
Chris@152 77 virtual size_t getResolution() const {
Chris@152 78 return m_server->getWindowIncrement() << m_xshift;
Chris@152 79 }
Chris@152 80 virtual size_t getYBinCount() const {
Chris@152 81 return getHeight();
Chris@152 82 }
Chris@152 83 virtual float getMinimumLevel() const {
Chris@152 84 return 0.f; // Can't provide
Chris@152 85 }
Chris@152 86 virtual float getMaximumLevel() const {
Chris@152 87 return 1.f; // Can't provide
Chris@152 88 }
Chris@182 89 virtual void getColumn(size_t x, Column &result) const;
Chris@152 90 virtual QString getBinName(size_t n) const;
Chris@152 91
Chris@152 92 virtual int getCompletion() const { return m_server->getFillCompletion(); }
Chris@152 93
Chris@152 94 virtual Model *clone() const;
Chris@152 95
Chris@154 96 virtual void suspend() { m_server->suspend(); }
Chris@155 97 virtual void suspendWrites() { m_server->suspendWrites(); }
Chris@154 98 virtual void resume() { m_server->resume(); }
Chris@154 99
Chris@152 100 private:
Chris@152 101 FFTModel(const FFTModel &);
Chris@152 102 FFTModel &operator=(const FFTModel &); // not implemented
Chris@152 103
Chris@152 104 FFTDataServer *m_server;
Chris@152 105 int m_xshift;
Chris@152 106 int m_yshift;
Chris@152 107 };
Chris@152 108
Chris@152 109 #endif