annotate data/model/SparseOneDimensionalModel.h @ 1151:def42cbba8bc 3.0-integration

Adjust locking when filling range cache in background thread, so as to spend less time waiting on locks
author Chris Cannam
date Fri, 22 Jan 2016 09:52:30 +0000
parents 57633d605547
children 48e9f538e6e9
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@147 7 This file copyright 2006 Chris Cannam.
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 _SPARSE_ONE_DIMENSIONAL_MODEL_H_
Chris@147 17 #define _SPARSE_ONE_DIMENSIONAL_MODEL_H_
Chris@147 18
Chris@147 19 #include "SparseModel.h"
Chris@852 20 #include "NoteData.h"
Chris@150 21 #include "base/PlayParameterRepository.h"
Chris@147 22 #include "base/RealTime.h"
Chris@147 23
Chris@387 24 #include <QStringList>
Chris@387 25
Chris@147 26 struct OneDimensionalPoint
Chris@147 27 {
Chris@147 28 public:
Chris@1038 29 OneDimensionalPoint(sv_frame_t _frame) : frame(_frame) { }
Chris@1038 30 OneDimensionalPoint(sv_frame_t _frame, QString _label) : frame(_frame), label(_label) { }
Chris@147 31
Chris@147 32 int getDimensions() const { return 1; }
Chris@147 33
Chris@1038 34 sv_frame_t frame;
Chris@147 35 QString label;
Chris@338 36
Chris@338 37 QString getLabel() const { return label; }
Chris@338 38
Chris@314 39 void toXml(QTextStream &stream,
Chris@314 40 QString indent = "",
Chris@314 41 QString extraAttributes = "") const
Chris@147 42 {
Chris@314 43 stream << QString("%1<point frame=\"%2\" label=\"%3\" %4/>\n")
Chris@603 44 .arg(indent).arg(frame).arg(XmlExportable::encodeEntities(label))
Chris@603 45 .arg(extraAttributes);
Chris@147 46 }
Chris@147 47
Chris@1060 48 QString toDelimitedDataString(QString delimiter, DataExportOptions, sv_samplerate_t sampleRate) const
Chris@147 49 {
Chris@147 50 QStringList list;
Chris@147 51 list << RealTime::frame2RealTime(frame, sampleRate).toString().c_str();
Chris@318 52 if (label != "") list << label;
Chris@147 53 return list.join(delimiter);
Chris@147 54 }
Chris@147 55
Chris@147 56 struct Comparator {
Chris@147 57 bool operator()(const OneDimensionalPoint &p1,
Chris@147 58 const OneDimensionalPoint &p2) const {
Chris@147 59 if (p1.frame != p2.frame) return p1.frame < p2.frame;
Chris@147 60 return p1.label < p2.label;
Chris@147 61 }
Chris@147 62 };
Chris@147 63
Chris@147 64 struct OrderComparator {
Chris@147 65 bool operator()(const OneDimensionalPoint &p1,
Chris@147 66 const OneDimensionalPoint &p2) const {
Chris@147 67 return p1.frame < p2.frame;
Chris@147 68 }
Chris@147 69 };
Chris@147 70 };
Chris@147 71
Chris@147 72
Chris@852 73 class SparseOneDimensionalModel : public SparseModel<OneDimensionalPoint>,
Chris@852 74 public NoteExportable
Chris@147 75 {
Chris@423 76 Q_OBJECT
Chris@423 77
Chris@147 78 public:
Chris@1040 79 SparseOneDimensionalModel(sv_samplerate_t sampleRate, int resolution,
Chris@147 80 bool notifyOnAdd = true) :
Chris@147 81 SparseModel<OneDimensionalPoint>(sampleRate, resolution, notifyOnAdd)
Chris@147 82 {
Chris@391 83 PlayParameterRepository::getInstance()->addPlayable(this);
Chris@391 84 }
Chris@391 85
Chris@391 86 virtual ~SparseOneDimensionalModel()
Chris@391 87 {
Chris@391 88 PlayParameterRepository::getInstance()->removePlayable(this);
Chris@391 89 }
Chris@391 90
Chris@391 91 virtual bool canPlay() const { return true; }
Chris@391 92
Chris@866 93 virtual QString getDefaultPlayClipId() const
Chris@391 94 {
Chris@864 95 return "tap";
Chris@147 96 }
Chris@147 97
Chris@420 98 int getIndexOf(const Point &point)
Chris@420 99 {
Chris@147 100 // slow
Chris@147 101 int i = 0;
Chris@147 102 Point::Comparator comparator;
Chris@147 103 for (PointList::const_iterator j = m_points.begin();
Chris@147 104 j != m_points.end(); ++j, ++i) {
Chris@147 105 if (!comparator(*j, point) && !comparator(point, *j)) return i;
Chris@147 106 }
Chris@147 107 return -1;
Chris@147 108 }
Chris@345 109
Chris@345 110 QString getTypeName() const { return tr("Sparse 1-D"); }
Chris@420 111
Chris@420 112 /**
Chris@420 113 * TabularModel methods.
Chris@420 114 */
Chris@420 115
Chris@420 116 virtual int getColumnCount() const
Chris@420 117 {
Chris@420 118 return 3;
Chris@420 119 }
Chris@420 120
Chris@420 121 virtual QString getHeading(int column) const
Chris@420 122 {
Chris@420 123 switch (column) {
Chris@420 124 case 0: return tr("Time");
Chris@420 125 case 1: return tr("Frame");
Chris@420 126 case 2: return tr("Label");
Chris@420 127 default: return tr("Unknown");
Chris@420 128 }
Chris@420 129 }
Chris@420 130
Chris@420 131 virtual QVariant getData(int row, int column, int role) const
Chris@420 132 {
Chris@425 133 if (column < 2) {
Chris@425 134 return SparseModel<OneDimensionalPoint>::getData
Chris@425 135 (row, column, role);
Chris@425 136 }
Chris@425 137
Chris@606 138 PointListConstIterator i = getPointListIteratorForRow(row);
Chris@420 139 if (i == m_points.end()) return QVariant();
Chris@420 140
Chris@420 141 switch (column) {
Chris@422 142 case 2: return i->label;
Chris@420 143 default: return QVariant();
Chris@420 144 }
Chris@420 145 }
Chris@420 146
Chris@424 147 virtual Command *getSetDataCommand(int row, int column, const QVariant &value, int role)
Chris@424 148 {
Chris@425 149 if (column < 2) {
Chris@425 150 return SparseModel<OneDimensionalPoint>::getSetDataCommand
Chris@425 151 (row, column, value, role);
Chris@425 152 }
Chris@425 153
Chris@740 154 if (role != Qt::EditRole) return 0;
Chris@606 155 PointListConstIterator i = getPointListIteratorForRow(row);
Chris@740 156 if (i == m_points.end()) return 0;
Chris@424 157 EditCommand *command = new EditCommand(this, tr("Edit Data"));
Chris@424 158
Chris@424 159 Point point(*i);
Chris@424 160 command->deletePoint(point);
Chris@424 161
Chris@424 162 switch (column) {
Chris@424 163 case 2: point.label = value.toString(); break;
Chris@424 164 }
Chris@424 165
Chris@424 166 command->addPoint(point);
Chris@424 167 return command->finish();
Chris@424 168 }
Chris@424 169
Chris@427 170
Chris@420 171 virtual bool isColumnTimeValue(int column) const
Chris@420 172 {
Chris@420 173 return (column < 2);
Chris@420 174 }
Chris@422 175
Chris@422 176 virtual SortType getSortType(int column) const
Chris@422 177 {
Chris@422 178 if (column == 2) return SortAlphabetical;
Chris@422 179 return SortNumeric;
Chris@422 180 }
Chris@852 181
Chris@852 182 /**
Chris@852 183 * NoteExportable methods.
Chris@852 184 */
Chris@852 185
Chris@852 186 NoteList getNotes() const {
Chris@929 187 return getNotesWithin(getStartFrame(), getEndFrame());
Chris@852 188 }
Chris@852 189
Chris@1038 190 NoteList getNotesWithin(sv_frame_t startFrame, sv_frame_t endFrame) const {
Chris@852 191
Chris@852 192 PointList points = getPoints(startFrame, endFrame);
Chris@852 193 NoteList notes;
Chris@852 194
Chris@852 195 for (PointList::iterator pli =
Chris@852 196 points.begin(); pli != points.end(); ++pli) {
Chris@852 197
Chris@852 198 notes.push_back
Chris@852 199 (NoteData(pli->frame,
Chris@1040 200 sv_frame_t(getSampleRate() / 6), // arbitrary short duration
Chris@852 201 64, // default pitch
Chris@852 202 100)); // default velocity
Chris@852 203 }
Chris@852 204
Chris@852 205 return notes;
Chris@852 206 }
Chris@147 207 };
Chris@147 208
Chris@147 209 #endif
Chris@147 210
Chris@147 211
Chris@147 212