annotate data/model/EditableDenseThreeDimensionalModel.cpp @ 375:f1ff248a793e

* Attempt to fix crash caused by race condition on threaded file decode
author Chris Cannam
date Thu, 07 Feb 2008 12:35:43 +0000
parents 1afaf98dbf11
children 7aa1de571880
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@202 7 This file copyright 2006 Chris Cannam and QMUL.
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 #include "EditableDenseThreeDimensionalModel.h"
Chris@152 17
Chris@152 18 #include <QTextStream>
Chris@152 19
Chris@181 20 #include <iostream>
Chris@181 21
Chris@256 22 #include <cmath>
Chris@256 23
Chris@152 24 EditableDenseThreeDimensionalModel::EditableDenseThreeDimensionalModel(size_t sampleRate,
Chris@152 25 size_t resolution,
Chris@152 26 size_t yBinCount,
Chris@152 27 bool notifyOnAdd) :
Chris@152 28 m_sampleRate(sampleRate),
Chris@152 29 m_resolution(resolution),
Chris@152 30 m_yBinCount(yBinCount),
Chris@152 31 m_minimum(0.0),
Chris@152 32 m_maximum(0.0),
Chris@256 33 m_haveExtents(false),
Chris@152 34 m_notifyOnAdd(notifyOnAdd),
Chris@152 35 m_sinceLastNotifyMin(-1),
Chris@152 36 m_sinceLastNotifyMax(-1),
Chris@152 37 m_completion(100)
Chris@152 38 {
Chris@152 39 }
Chris@152 40
Chris@152 41 bool
Chris@152 42 EditableDenseThreeDimensionalModel::isOK() const
Chris@152 43 {
Chris@152 44 return true;
Chris@152 45 }
Chris@152 46
Chris@152 47 size_t
Chris@152 48 EditableDenseThreeDimensionalModel::getSampleRate() const
Chris@152 49 {
Chris@152 50 return m_sampleRate;
Chris@152 51 }
Chris@152 52
Chris@152 53 size_t
Chris@152 54 EditableDenseThreeDimensionalModel::getStartFrame() const
Chris@152 55 {
Chris@152 56 return 0;
Chris@152 57 }
Chris@152 58
Chris@152 59 size_t
Chris@152 60 EditableDenseThreeDimensionalModel::getEndFrame() const
Chris@152 61 {
Chris@152 62 return m_resolution * m_data.size() + (m_resolution - 1);
Chris@152 63 }
Chris@152 64
Chris@152 65 Model *
Chris@152 66 EditableDenseThreeDimensionalModel::clone() const
Chris@152 67 {
Chris@152 68 EditableDenseThreeDimensionalModel *model =
Chris@152 69 new EditableDenseThreeDimensionalModel
Chris@152 70 (m_sampleRate, m_resolution, m_yBinCount);
Chris@152 71
Chris@152 72 model->m_minimum = m_minimum;
Chris@152 73 model->m_maximum = m_maximum;
Chris@256 74 model->m_haveExtents = m_haveExtents;
Chris@152 75
Chris@152 76 for (size_t i = 0; i < m_data.size(); ++i) {
Chris@182 77 model->setColumn(i, m_data[i]);
Chris@152 78 }
Chris@152 79
Chris@152 80 return model;
Chris@152 81 }
Chris@152 82
Chris@152 83 size_t
Chris@152 84 EditableDenseThreeDimensionalModel::getResolution() const
Chris@152 85 {
Chris@152 86 return m_resolution;
Chris@152 87 }
Chris@152 88
Chris@152 89 void
Chris@152 90 EditableDenseThreeDimensionalModel::setResolution(size_t sz)
Chris@152 91 {
Chris@152 92 m_resolution = sz;
Chris@152 93 }
Chris@152 94
Chris@152 95 size_t
Chris@182 96 EditableDenseThreeDimensionalModel::getWidth() const
Chris@182 97 {
Chris@182 98 return m_data.size();
Chris@182 99 }
Chris@182 100
Chris@182 101 size_t
Chris@182 102 EditableDenseThreeDimensionalModel::getHeight() const
Chris@152 103 {
Chris@152 104 return m_yBinCount;
Chris@152 105 }
Chris@152 106
Chris@152 107 void
Chris@182 108 EditableDenseThreeDimensionalModel::setHeight(size_t sz)
Chris@152 109 {
Chris@152 110 m_yBinCount = sz;
Chris@152 111 }
Chris@152 112
Chris@152 113 float
Chris@152 114 EditableDenseThreeDimensionalModel::getMinimumLevel() const
Chris@152 115 {
Chris@152 116 return m_minimum;
Chris@152 117 }
Chris@152 118
Chris@152 119 void
Chris@152 120 EditableDenseThreeDimensionalModel::setMinimumLevel(float level)
Chris@152 121 {
Chris@152 122 m_minimum = level;
Chris@152 123 }
Chris@152 124
Chris@152 125 float
Chris@152 126 EditableDenseThreeDimensionalModel::getMaximumLevel() const
Chris@152 127 {
Chris@152 128 return m_maximum;
Chris@152 129 }
Chris@152 130
Chris@152 131 void
Chris@152 132 EditableDenseThreeDimensionalModel::setMaximumLevel(float level)
Chris@152 133 {
Chris@152 134 m_maximum = level;
Chris@152 135 }
Chris@152 136
Chris@152 137 void
Chris@182 138 EditableDenseThreeDimensionalModel::getColumn(size_t index,
Chris@182 139 Column &result) const
Chris@152 140 {
Chris@152 141 QMutexLocker locker(&m_mutex);
Chris@152 142
Chris@182 143 if (index < m_data.size()) {
Chris@152 144 result = m_data[index];
Chris@152 145 } else {
Chris@152 146 result.clear();
Chris@152 147 }
Chris@152 148
Chris@152 149 while (result.size() < m_yBinCount) result.push_back(m_minimum);
Chris@152 150 }
Chris@152 151
Chris@152 152 float
Chris@182 153 EditableDenseThreeDimensionalModel::getValueAt(size_t index, size_t n) const
Chris@152 154 {
Chris@152 155 QMutexLocker locker(&m_mutex);
Chris@152 156
Chris@182 157 if (index < m_data.size()) {
Chris@182 158 const Column &s = m_data[index];
Chris@256 159 // std::cerr << "index " << index << ", n " << n << ", res " << m_resolution << ", size " << s.size()
Chris@256 160 // << std::endl;
Chris@152 161 if (n < s.size()) return s[n];
Chris@152 162 }
Chris@152 163
Chris@152 164 return m_minimum;
Chris@152 165 }
Chris@152 166
Chris@152 167 void
Chris@182 168 EditableDenseThreeDimensionalModel::setColumn(size_t index,
Chris@182 169 const Column &values)
Chris@152 170 {
Chris@152 171 QMutexLocker locker(&m_mutex);
Chris@152 172
Chris@182 173 while (index >= m_data.size()) {
Chris@182 174 m_data.push_back(Column());
Chris@152 175 }
Chris@152 176
Chris@152 177 bool allChange = false;
Chris@152 178
Chris@152 179 for (size_t i = 0; i < values.size(); ++i) {
Chris@256 180 float value = values[i];
Chris@257 181 if (std::isnan(value) || std::isinf(value)) {
Chris@256 182 continue;
Chris@256 183 }
Chris@256 184 if (!m_haveExtents || value < m_minimum) {
Chris@256 185 m_minimum = value;
Chris@152 186 allChange = true;
Chris@152 187 }
Chris@256 188 if (!m_haveExtents || value > m_maximum) {
Chris@256 189 m_maximum = value;
Chris@152 190 allChange = true;
Chris@152 191 }
Chris@256 192 m_haveExtents = true;
Chris@152 193 }
Chris@152 194
Chris@152 195 m_data[index] = values;
Chris@152 196
Chris@182 197 long windowStart = index;
Chris@182 198 windowStart *= m_resolution;
Chris@182 199
Chris@152 200 if (m_notifyOnAdd) {
Chris@152 201 if (allChange) {
Chris@152 202 emit modelChanged();
Chris@152 203 } else {
Chris@152 204 emit modelChanged(windowStart, windowStart + m_resolution);
Chris@152 205 }
Chris@152 206 } else {
Chris@152 207 if (allChange) {
Chris@152 208 m_sinceLastNotifyMin = -1;
Chris@152 209 m_sinceLastNotifyMax = -1;
Chris@152 210 emit modelChanged();
Chris@152 211 } else {
Chris@152 212 if (m_sinceLastNotifyMin == -1 ||
Chris@152 213 windowStart < m_sinceLastNotifyMin) {
Chris@152 214 m_sinceLastNotifyMin = windowStart;
Chris@152 215 }
Chris@152 216 if (m_sinceLastNotifyMax == -1 ||
Chris@152 217 windowStart > m_sinceLastNotifyMax) {
Chris@152 218 m_sinceLastNotifyMax = windowStart;
Chris@152 219 }
Chris@152 220 }
Chris@152 221 }
Chris@152 222 }
Chris@152 223
Chris@152 224 QString
Chris@152 225 EditableDenseThreeDimensionalModel::getBinName(size_t n) const
Chris@152 226 {
Chris@152 227 if (m_binNames.size() > n) return m_binNames[n];
Chris@152 228 else return "";
Chris@152 229 }
Chris@152 230
Chris@152 231 void
Chris@152 232 EditableDenseThreeDimensionalModel::setBinName(size_t n, QString name)
Chris@152 233 {
Chris@152 234 while (m_binNames.size() <= n) m_binNames.push_back("");
Chris@152 235 m_binNames[n] = name;
Chris@152 236 emit modelChanged();
Chris@152 237 }
Chris@152 238
Chris@152 239 void
Chris@152 240 EditableDenseThreeDimensionalModel::setBinNames(std::vector<QString> names)
Chris@152 241 {
Chris@152 242 m_binNames = names;
Chris@152 243 emit modelChanged();
Chris@152 244 }
Chris@152 245
Chris@152 246 void
Chris@333 247 EditableDenseThreeDimensionalModel::setCompletion(int completion, bool update)
Chris@152 248 {
Chris@152 249 if (m_completion != completion) {
Chris@152 250 m_completion = completion;
Chris@152 251
Chris@152 252 if (completion == 100) {
Chris@152 253
Chris@152 254 m_notifyOnAdd = true; // henceforth
Chris@152 255 emit modelChanged();
Chris@152 256
Chris@152 257 } else if (!m_notifyOnAdd) {
Chris@152 258
Chris@333 259 if (update &&
Chris@333 260 m_sinceLastNotifyMin >= 0 &&
Chris@152 261 m_sinceLastNotifyMax >= 0) {
Chris@152 262 emit modelChanged(m_sinceLastNotifyMin,
Chris@152 263 m_sinceLastNotifyMax + m_resolution);
Chris@152 264 m_sinceLastNotifyMin = m_sinceLastNotifyMax = -1;
Chris@152 265 } else {
Chris@152 266 emit completionChanged();
Chris@152 267 }
Chris@152 268 } else {
Chris@152 269 emit completionChanged();
Chris@152 270 }
Chris@152 271 }
Chris@152 272 }
Chris@152 273
Chris@318 274 QString
Chris@318 275 EditableDenseThreeDimensionalModel::toDelimitedDataString(QString delimiter) const
Chris@318 276 {
Chris@318 277 QString s;
Chris@318 278 for (size_t i = 0; i < m_data.size(); ++i) {
Chris@318 279 QStringList list;
Chris@318 280 for (size_t j = 0; j < m_data[i].size(); ++j) {
Chris@318 281 list << QString("%1").arg(m_data[i][j]);
Chris@318 282 }
Chris@318 283 s += list.join(delimiter) + "\n";
Chris@318 284 }
Chris@318 285 return s;
Chris@318 286 }
Chris@318 287
Chris@152 288 void
Chris@152 289 EditableDenseThreeDimensionalModel::toXml(QTextStream &out,
Chris@314 290 QString indent,
Chris@314 291 QString extraAttributes) const
Chris@152 292 {
Chris@152 293 // For historical reasons we read and write "resolution" as "windowSize"
Chris@152 294
Chris@318 295 std::cerr << "EditableDenseThreeDimensionalModel::toXml" << std::endl;
Chris@318 296
Chris@314 297 Model::toXml
Chris@314 298 (out, indent,
Chris@314 299 QString("type=\"dense\" dimensions=\"3\" windowSize=\"%1\" yBinCount=\"%2\" minimum=\"%3\" maximum=\"%4\" dataset=\"%5\" %6")
Chris@152 300 .arg(m_resolution)
Chris@152 301 .arg(m_yBinCount)
Chris@152 302 .arg(m_minimum)
Chris@152 303 .arg(m_maximum)
Chris@152 304 .arg(getObjectExportId(&m_data))
Chris@152 305 .arg(extraAttributes));
Chris@152 306
Chris@152 307 out << indent;
Chris@152 308 out << QString("<dataset id=\"%1\" dimensions=\"3\" separator=\" \">\n")
Chris@152 309 .arg(getObjectExportId(&m_data));
Chris@152 310
Chris@152 311 for (size_t i = 0; i < m_binNames.size(); ++i) {
Chris@152 312 if (m_binNames[i] != "") {
Chris@152 313 out << indent + " ";
Chris@152 314 out << QString("<bin number=\"%1\" name=\"%2\"/>\n")
Chris@152 315 .arg(i).arg(m_binNames[i]);
Chris@152 316 }
Chris@152 317 }
Chris@152 318
Chris@152 319 for (size_t i = 0; i < m_data.size(); ++i) {
Chris@152 320 out << indent + " ";
Chris@152 321 out << QString("<row n=\"%1\">").arg(i);
Chris@152 322 for (size_t j = 0; j < m_data[i].size(); ++j) {
Chris@152 323 if (j > 0) out << " ";
Chris@152 324 out << m_data[i][j];
Chris@152 325 }
Chris@152 326 out << QString("</row>\n");
Chris@318 327 out.flush();
Chris@152 328 }
Chris@152 329
Chris@152 330 out << indent + "</dataset>\n";
Chris@152 331 }
Chris@152 332
Chris@152 333