annotate data/model/SparseTimeValueModel.h @ 409:6075c90744d4

...
author Chris Cannam
date Fri, 09 May 2008 12:39:02 +0000
parents 5858cc462d0a
children 50a956688baa
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_TIME_VALUE_MODEL_H_
Chris@147 17 #define _SPARSE_TIME_VALUE_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 * Time/value point type for use in a SparseModel or SparseValueModel.
Chris@147 25 * With this point type, the model basically represents a wiggly-line
Chris@147 26 * plot with points at arbitrary intervals of the model resolution.
Chris@147 27 */
Chris@147 28
Chris@147 29 struct TimeValuePoint
Chris@147 30 {
Chris@147 31 public:
Chris@147 32 TimeValuePoint(long _frame) : frame(_frame), value(0.0f) { }
Chris@147 33 TimeValuePoint(long _frame, float _value, QString _label) :
Chris@147 34 frame(_frame), value(_value), label(_label) { }
Chris@147 35
Chris@147 36 int getDimensions() const { return 2; }
Chris@147 37
Chris@147 38 long frame;
Chris@147 39 float value;
Chris@147 40 QString label;
Chris@338 41
Chris@338 42 QString getLabel() const { return label; }
Chris@147 43
Chris@314 44 void toXml(QTextStream &stream, QString indent = "",
Chris@314 45 QString extraAttributes = "") const
Chris@147 46 {
Chris@314 47 stream << QString("%1<point frame=\"%2\" value=\"%3\" label=\"%4\" %5/>\n")
Chris@147 48 .arg(indent).arg(frame).arg(value).arg(label).arg(extraAttributes);
Chris@147 49 }
Chris@147 50
Chris@147 51 QString toDelimitedDataString(QString delimiter, size_t sampleRate) const
Chris@147 52 {
Chris@147 53 QStringList list;
Chris@147 54 list << RealTime::frame2RealTime(frame, sampleRate).toString().c_str();
Chris@147 55 list << QString("%1").arg(value);
Chris@318 56 if (label != "") list << label;
Chris@147 57 return list.join(delimiter);
Chris@147 58 }
Chris@147 59
Chris@147 60 struct Comparator {
Chris@147 61 bool operator()(const TimeValuePoint &p1,
Chris@147 62 const TimeValuePoint &p2) const {
Chris@147 63 if (p1.frame != p2.frame) return p1.frame < p2.frame;
Chris@147 64 if (p1.value != p2.value) return p1.value < p2.value;
Chris@147 65 return p1.label < p2.label;
Chris@147 66 }
Chris@147 67 };
Chris@147 68
Chris@147 69 struct OrderComparator {
Chris@147 70 bool operator()(const TimeValuePoint &p1,
Chris@147 71 const TimeValuePoint &p2) const {
Chris@147 72 return p1.frame < p2.frame;
Chris@147 73 }
Chris@147 74 };
Chris@147 75 };
Chris@147 76
Chris@147 77
Chris@147 78 class SparseTimeValueModel : public SparseValueModel<TimeValuePoint>
Chris@147 79 {
Chris@147 80 public:
Chris@147 81 SparseTimeValueModel(size_t sampleRate, size_t resolution,
Chris@256 82 bool notifyOnAdd = true) :
Chris@256 83 SparseValueModel<TimeValuePoint>(sampleRate, resolution,
Chris@256 84 notifyOnAdd)
Chris@256 85 {
Chris@391 86 // not yet playable
Chris@256 87 }
Chris@256 88
Chris@256 89 SparseTimeValueModel(size_t sampleRate, size_t resolution,
Chris@147 90 float valueMinimum, float valueMaximum,
Chris@147 91 bool notifyOnAdd = true) :
Chris@147 92 SparseValueModel<TimeValuePoint>(sampleRate, resolution,
Chris@147 93 valueMinimum, valueMaximum,
Chris@147 94 notifyOnAdd)
Chris@147 95 {
Chris@391 96 // not yet playable
Chris@147 97 }
Chris@345 98
Chris@345 99 QString getTypeName() const { return tr("Sparse Time-Value"); }
Chris@147 100 };
Chris@147 101
Chris@147 102
Chris@147 103 #endif
Chris@147 104
Chris@147 105
Chris@147 106