annotate data/model/DenseThreeDimensionalModel.h @ 1573:f04038819c26 spectrogramparam

Introduce & make use of faster MovingMedian class (now with resize capability)
author Chris Cannam
date Thu, 08 Nov 2018 15:02:30 +0000
parents 51d6551d5244
children c01cbe41aeb5
rev   line source
Chris@147 1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
Chris@147 2
Chris@147 3 /*
Chris@147 4 Sonic Visualiser
Chris@147 5 An audio file viewer and annotation editor.
Chris@147 6 Centre for Digital Music, Queen Mary, University of London.
Chris@202 7 This file copyright 2006 Chris Cannam and QMUL.
Chris@147 8
Chris@147 9 This program is free software; you can redistribute it and/or
Chris@147 10 modify it under the terms of the GNU General Public License as
Chris@147 11 published by the Free Software Foundation; either version 2 of the
Chris@147 12 License, or (at your option) any later version. See the file
Chris@147 13 COPYING included with this distribution for more information.
Chris@147 14 */
Chris@147 15
Chris@147 16 #ifndef _DENSE_THREE_DIMENSIONAL_MODEL_H_
Chris@147 17 #define _DENSE_THREE_DIMENSIONAL_MODEL_H_
Chris@147 18
Chris@150 19 #include "Model.h"
Chris@500 20 #include "TabularModel.h"
Chris@1187 21 #include "base/ColumnOp.h"
Chris@147 22 #include "base/ZoomConstraint.h"
Chris@500 23 #include "base/RealTime.h"
Chris@147 24
Chris@147 25 #include <QMutex>
Chris@533 26 #include <QVector>
Chris@147 27
Chris@500 28 class DenseThreeDimensionalModel : public Model,
Chris@500 29 public TabularModel
Chris@147 30 {
Chris@147 31 Q_OBJECT
Chris@147 32
Chris@147 33 public:
Chris@147 34 /**
Chris@182 35 * Return the number of sample frames covered by each column of bins.
Chris@147 36 */
Chris@929 37 virtual int getResolution() const = 0;
Chris@147 38
Chris@147 39 /**
Chris@182 40 * Return the number of columns of bins in the model.
Chris@147 41 */
Chris@929 42 virtual int getWidth() const = 0;
Chris@147 43
Chris@147 44 /**
Chris@182 45 * Return the number of bins in each column.
Chris@182 46 */
Chris@929 47 virtual int getHeight() const = 0;
Chris@182 48
Chris@182 49 /**
Chris@182 50 * Return the minimum permissible value in each bin.
Chris@147 51 */
Chris@152 52 virtual float getMinimumLevel() const = 0;
Chris@147 53
Chris@147 54 /**
Chris@182 55 * Return the maximum permissible value in each bin.
Chris@147 56 */
Chris@152 57 virtual float getMaximumLevel() const = 0;
Chris@147 58
Chris@1187 59 typedef ColumnOp::Column Column;
Chris@147 60
Chris@147 61 /**
Chris@182 62 * Get data from the given column of bin values.
Chris@147 63 */
Chris@929 64 virtual Column getColumn(int column) const = 0;
Chris@147 65
Chris@147 66 /**
Chris@182 67 * Get the single data point from the n'th bin of the given column.
Chris@147 68 */
Chris@929 69 virtual float getValueAt(int column, int n) const = 0;
Chris@147 70
Chris@182 71 /**
Chris@182 72 * Get the name of a given bin (i.e. a label to associate with
Chris@182 73 * that bin across all columns).
Chris@182 74 */
Chris@929 75 virtual QString getBinName(int n) const = 0;
Chris@147 76
Chris@182 77 /**
Chris@887 78 * Return true if the bins have values as well as names. If this
Chris@887 79 * returns true, getBinValue() may be used to retrieve the values.
Chris@887 80 */
Chris@887 81 virtual bool hasBinValues() const { return false; }
Chris@887 82
Chris@887 83 /**
Chris@887 84 * Return the value of bin n, if any. This is a "vertical scale"
Chris@887 85 * value which does not vary from one column to the next. This is
Chris@887 86 * only meaningful if hasBinValues() returns true.
Chris@887 87 */
Chris@1038 88 virtual float getBinValue(int n) const { return float(n); }
Chris@887 89
Chris@887 90 /**
Chris@887 91 * Obtain the name of the unit of the values returned from
Chris@887 92 * getBinValue(), if any.
Chris@887 93 */
Chris@887 94 virtual QString getBinValueUnit() const { return ""; }
Chris@887 95
Chris@887 96 /**
Chris@478 97 * Estimate whether a logarithmic scale might be appropriate for
Chris@478 98 * the value scale.
Chris@478 99 */
Chris@478 100 virtual bool shouldUseLogValueScale() const = 0;
Chris@478 101
Chris@478 102 /**
Chris@182 103 * Utility function to query whether a given bin is greater than
Chris@182 104 * its (vertical) neighbours.
Chris@182 105 */
Chris@929 106 bool isLocalPeak(int x, int y) {
Chris@182 107 float value = getValueAt(x, y);
Chris@182 108 if (y > 0 && value < getValueAt(x, y - 1)) return false;
Chris@182 109 if (y < getHeight() - 1 && value < getValueAt(x, y + 1)) return false;
Chris@182 110 return true;
Chris@182 111 }
Chris@182 112
Chris@182 113 /**
Chris@182 114 * Utility function to query whether a given bin is greater than a
Chris@182 115 * certain threshold.
Chris@182 116 */
Chris@929 117 bool isOverThreshold(int x, int y, float threshold) {
Chris@182 118 return getValueAt(x, y) > threshold;
Chris@182 119 }
Chris@182 120
Chris@345 121 QString getTypeName() const { return tr("Dense 3-D"); }
Chris@345 122
Chris@152 123 virtual int getCompletion() const = 0;
Chris@147 124
Chris@500 125 /*
Chris@500 126 TabularModel methods.
Chris@500 127 This class is non-editable -- subclasses may be editable.
Chris@500 128 Row and column are transposed for the tabular view (which is
Chris@500 129 "on its side").
Chris@500 130 */
Chris@500 131
Chris@500 132 virtual int getRowCount() const { return getWidth(); }
Chris@500 133 virtual int getColumnCount() const { return getHeight() + 2; }
Chris@500 134
Chris@500 135 virtual QString getHeading(int column) const
Chris@500 136 {
Chris@500 137 switch (column) {
Chris@500 138 case 0: return tr("Time");
Chris@500 139 case 1: return tr("Frame");
Chris@1548 140 default:
Chris@1548 141 QString name = getBinName(column - 2);
Chris@1548 142 if (name == "") {
Chris@1548 143 name = tr("(bin %1)").arg(column - 2);
Chris@1548 144 }
Chris@1548 145 return name;
Chris@500 146 }
Chris@500 147 }
Chris@500 148
Chris@568 149 virtual QVariant getData(int row, int column, int) const
Chris@500 150 {
Chris@500 151 switch (column) {
Chris@500 152 case 0: {
Chris@1171 153 RealTime rt = RealTime::frame2RealTime
Chris@1171 154 (row * getResolution() + getStartFrame(), getSampleRate());
Chris@500 155 return rt.toText().c_str();
Chris@500 156 }
Chris@500 157 case 1:
Chris@1171 158 return int(row * getResolution() + getStartFrame());
Chris@500 159 default:
Chris@500 160 return getValueAt(row, column - 2);
Chris@500 161 }
Chris@500 162 }
Chris@500 163
Chris@500 164 virtual bool isColumnTimeValue(int col) const {
Chris@500 165 return col < 2;
Chris@500 166 }
Chris@568 167 virtual SortType getSortType(int) const {
Chris@500 168 return SortNumeric;
Chris@500 169 }
Chris@500 170
Chris@1038 171 virtual sv_frame_t getFrameForRow(int row) const {
Chris@1171 172 return sv_frame_t(row) * getResolution() + getStartFrame();
Chris@500 173 }
Chris@1038 174 virtual int getRowForFrame(sv_frame_t frame) const {
Chris@1171 175 return int((frame - getStartFrame()) / getResolution());
Chris@500 176 }
Chris@500 177
Chris@147 178 protected:
Chris@152 179 DenseThreeDimensionalModel() { }
Chris@147 180 };
Chris@147 181
Chris@147 182 #endif