annotate data/model/NoteModel.h @ 384:6f6ab834449d spectrogram-cache-rejig

* Merge from trunk
author Chris Cannam
date Wed, 27 Feb 2008 11:59:42 +0000
parents 7a4bd2c8585c
children
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 _NOTE_MODEL_H_
Chris@147 17 #define _NOTE_MODEL_H_
Chris@147 18
Chris@147 19 #include "SparseValueModel.h"
Chris@150 20 #include "base/PlayParameterRepository.h"
Chris@147 21 #include "base/RealTime.h"
Chris@147 22
Chris@147 23 /**
Chris@147 24 * Note type for use in a SparseModel or SparseValueModel. All we
Chris@147 25 * mean by a "note" is something that has an onset time, a single
Chris@147 26 * value, and a duration. Like other points, it can also have a
Chris@147 27 * label. With this point type, the model can be thought of as
Chris@147 28 * representing a simple MIDI-type piano roll, except that the y
Chris@147 29 * coordinates (values) do not have to be discrete integers.
Chris@147 30 */
Chris@147 31
Chris@147 32 struct Note
Chris@147 33 {
Chris@147 34 public:
Chris@384 35 Note(long _frame) : frame(_frame), value(0.0f), duration(0), level(1.f) { }
Chris@384 36 Note(long _frame, float _value, size_t _duration, float _level, QString _label) :
Chris@384 37 frame(_frame), value(_value), duration(_duration), level(_level), label(_label) { }
Chris@147 38
Chris@147 39 int getDimensions() const { return 3; }
Chris@147 40
Chris@147 41 long frame;
Chris@147 42 float value;
Chris@147 43 size_t duration;
Chris@384 44 float level;
Chris@147 45 QString label;
Chris@147 46
Chris@384 47 QString getLabel() const { return label; }
Chris@384 48
Chris@314 49 void toXml(QTextStream &stream,
Chris@314 50 QString indent = "",
Chris@314 51 QString extraAttributes = "") const
Chris@147 52 {
Chris@314 53 stream <<
Chris@384 54 QString("%1<point frame=\"%2\" value=\"%3\" duration=\"%4\" level=\"%5\" label=\"%6\" %7/>\n")
Chris@384 55 .arg(indent).arg(frame).arg(value).arg(duration).arg(level).arg(label).arg(extraAttributes);
Chris@147 56 }
Chris@147 57
Chris@147 58 QString toDelimitedDataString(QString delimiter, size_t sampleRate) const
Chris@147 59 {
Chris@147 60 QStringList list;
Chris@147 61 list << RealTime::frame2RealTime(frame, sampleRate).toString().c_str();
Chris@147 62 list << QString("%1").arg(value);
Chris@384 63 list << RealTime::frame2RealTime(duration, sampleRate).toString().c_str();
Chris@384 64 list << QString("%1").arg(level);
Chris@318 65 if (label != "") list << label;
Chris@147 66 return list.join(delimiter);
Chris@147 67 }
Chris@147 68
Chris@147 69 struct Comparator {
Chris@147 70 bool operator()(const Note &p1,
Chris@147 71 const Note &p2) const {
Chris@147 72 if (p1.frame != p2.frame) return p1.frame < p2.frame;
Chris@147 73 if (p1.value != p2.value) return p1.value < p2.value;
Chris@147 74 if (p1.duration != p2.duration) return p1.duration < p2.duration;
Chris@384 75 if (p1.level != p2.level) return p1.level < p2.level;
Chris@147 76 return p1.label < p2.label;
Chris@147 77 }
Chris@147 78 };
Chris@147 79
Chris@147 80 struct OrderComparator {
Chris@147 81 bool operator()(const Note &p1,
Chris@147 82 const Note &p2) const {
Chris@147 83 return p1.frame < p2.frame;
Chris@147 84 }
Chris@147 85 };
Chris@147 86 };
Chris@147 87
Chris@147 88
Chris@147 89 class NoteModel : public SparseValueModel<Note>
Chris@147 90 {
Chris@147 91 public:
Chris@147 92 NoteModel(size_t sampleRate, size_t resolution,
Chris@256 93 bool notifyOnAdd = true) :
Chris@256 94 SparseValueModel<Note>(sampleRate, resolution,
Chris@256 95 notifyOnAdd),
Chris@256 96 m_valueQuantization(0)
Chris@256 97 {
Chris@256 98 PlayParameterRepository::getInstance()->addModel(this);
Chris@256 99 }
Chris@256 100
Chris@256 101 NoteModel(size_t sampleRate, size_t resolution,
Chris@147 102 float valueMinimum, float valueMaximum,
Chris@147 103 bool notifyOnAdd = true) :
Chris@147 104 SparseValueModel<Note>(sampleRate, resolution,
Chris@147 105 valueMinimum, valueMaximum,
Chris@147 106 notifyOnAdd),
Chris@147 107 m_valueQuantization(0)
Chris@147 108 {
Chris@147 109 PlayParameterRepository::getInstance()->addModel(this);
Chris@147 110 }
Chris@147 111
Chris@147 112 float getValueQuantization() const { return m_valueQuantization; }
Chris@147 113 void setValueQuantization(float q) { m_valueQuantization = q; }
Chris@147 114
Chris@147 115 /**
Chris@147 116 * Notes have a duration, so this returns all points that span any
Chris@147 117 * of the given range (as well as the usual additional few before
Chris@147 118 * and after). Consequently this can be very slow (optimised data
Chris@147 119 * structures still to be done!).
Chris@147 120 */
Chris@147 121 virtual PointList getPoints(long start, long end) const;
Chris@147 122
Chris@147 123 /**
Chris@147 124 * Notes have a duration, so this returns all points that span the
Chris@147 125 * given frame. Consequently this can be very slow (optimised
Chris@147 126 * data structures still to be done!).
Chris@147 127 */
Chris@147 128 virtual PointList getPoints(long frame) const;
Chris@147 129
Chris@384 130 QString getTypeName() const { return tr("Note"); }
Chris@384 131
Chris@288 132 virtual void toXml(QTextStream &out,
Chris@288 133 QString indent = "",
Chris@288 134 QString extraAttributes = "") const
Chris@147 135 {
Chris@318 136 std::cerr << "NoteModel::toXml: extraAttributes = \""
Chris@318 137 << extraAttributes.toStdString() << std::endl;
Chris@318 138
Chris@314 139 SparseValueModel<Note>::toXml
Chris@288 140 (out,
Chris@288 141 indent,
Chris@147 142 QString("%1 valueQuantization=\"%2\"")
Chris@147 143 .arg(extraAttributes).arg(m_valueQuantization));
Chris@147 144 }
Chris@147 145
Chris@147 146 protected:
Chris@147 147 float m_valueQuantization;
Chris@147 148 };
Chris@147 149
Chris@147 150 #endif