Mercurial > hg > svcore
view data/model/EditableDenseThreeDimensionalModel.cpp @ 378:a38cd7823cb2
* PortAudio driver: do not specify frames per buffer, let PA decide
* Remove old non-RubberBand time stretcher -- it doesn't work with varying
buffer sizes such as the PA driver may now be using
* Rewrite getCurrentPlayingFrame for greater correctness when using long
buffer sizes (interpolating according to audio stream timestamp)
* Several changes to make the timestretch management RT safe(r)
author | Chris Cannam |
---|---|
date | Fri, 08 Feb 2008 17:51:15 +0000 |
parents | 1afaf98dbf11 |
children | 7aa1de571880 |
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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ /* Sonic Visualiser An audio file viewer and annotation editor. Centre for Digital Music, Queen Mary, University of London. This file copyright 2006 Chris Cannam and QMUL. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. See the file COPYING included with this distribution for more information. */ #include "EditableDenseThreeDimensionalModel.h" #include <QTextStream> #include <iostream> #include <cmath> EditableDenseThreeDimensionalModel::EditableDenseThreeDimensionalModel(size_t sampleRate, size_t resolution, size_t yBinCount, bool notifyOnAdd) : m_sampleRate(sampleRate), m_resolution(resolution), m_yBinCount(yBinCount), m_minimum(0.0), m_maximum(0.0), m_haveExtents(false), m_notifyOnAdd(notifyOnAdd), m_sinceLastNotifyMin(-1), m_sinceLastNotifyMax(-1), m_completion(100) { } bool EditableDenseThreeDimensionalModel::isOK() const { return true; } size_t EditableDenseThreeDimensionalModel::getSampleRate() const { return m_sampleRate; } size_t EditableDenseThreeDimensionalModel::getStartFrame() const { return 0; } size_t EditableDenseThreeDimensionalModel::getEndFrame() const { return m_resolution * m_data.size() + (m_resolution - 1); } Model * EditableDenseThreeDimensionalModel::clone() const { EditableDenseThreeDimensionalModel *model = new EditableDenseThreeDimensionalModel (m_sampleRate, m_resolution, m_yBinCount); model->m_minimum = m_minimum; model->m_maximum = m_maximum; model->m_haveExtents = m_haveExtents; for (size_t i = 0; i < m_data.size(); ++i) { model->setColumn(i, m_data[i]); } return model; } size_t EditableDenseThreeDimensionalModel::getResolution() const { return m_resolution; } void EditableDenseThreeDimensionalModel::setResolution(size_t sz) { m_resolution = sz; } size_t EditableDenseThreeDimensionalModel::getWidth() const { return m_data.size(); } size_t EditableDenseThreeDimensionalModel::getHeight() const { return m_yBinCount; } void EditableDenseThreeDimensionalModel::setHeight(size_t sz) { m_yBinCount = sz; } float EditableDenseThreeDimensionalModel::getMinimumLevel() const { return m_minimum; } void EditableDenseThreeDimensionalModel::setMinimumLevel(float level) { m_minimum = level; } float EditableDenseThreeDimensionalModel::getMaximumLevel() const { return m_maximum; } void EditableDenseThreeDimensionalModel::setMaximumLevel(float level) { m_maximum = level; } void EditableDenseThreeDimensionalModel::getColumn(size_t index, Column &result) const { QMutexLocker locker(&m_mutex); if (index < m_data.size()) { result = m_data[index]; } else { result.clear(); } while (result.size() < m_yBinCount) result.push_back(m_minimum); } float EditableDenseThreeDimensionalModel::getValueAt(size_t index, size_t n) const { QMutexLocker locker(&m_mutex); if (index < m_data.size()) { const Column &s = m_data[index]; // std::cerr << "index " << index << ", n " << n << ", res " << m_resolution << ", size " << s.size() // << std::endl; if (n < s.size()) return s[n]; } return m_minimum; } void EditableDenseThreeDimensionalModel::setColumn(size_t index, const Column &values) { QMutexLocker locker(&m_mutex); while (index >= m_data.size()) { m_data.push_back(Column()); } bool allChange = false; for (size_t i = 0; i < values.size(); ++i) { float value = values[i]; if (std::isnan(value) || std::isinf(value)) { continue; } if (!m_haveExtents || value < m_minimum) { m_minimum = value; allChange = true; } if (!m_haveExtents || value > m_maximum) { m_maximum = value; allChange = true; } m_haveExtents = true; } m_data[index] = values; long windowStart = index; windowStart *= m_resolution; if (m_notifyOnAdd) { if (allChange) { emit modelChanged(); } else { emit modelChanged(windowStart, windowStart + m_resolution); } } else { if (allChange) { m_sinceLastNotifyMin = -1; m_sinceLastNotifyMax = -1; emit modelChanged(); } else { if (m_sinceLastNotifyMin == -1 || windowStart < m_sinceLastNotifyMin) { m_sinceLastNotifyMin = windowStart; } if (m_sinceLastNotifyMax == -1 || windowStart > m_sinceLastNotifyMax) { m_sinceLastNotifyMax = windowStart; } } } } QString EditableDenseThreeDimensionalModel::getBinName(size_t n) const { if (m_binNames.size() > n) return m_binNames[n]; else return ""; } void EditableDenseThreeDimensionalModel::setBinName(size_t n, QString name) { while (m_binNames.size() <= n) m_binNames.push_back(""); m_binNames[n] = name; emit modelChanged(); } void EditableDenseThreeDimensionalModel::setBinNames(std::vector<QString> names) { m_binNames = names; emit modelChanged(); } void EditableDenseThreeDimensionalModel::setCompletion(int completion, bool update) { if (m_completion != completion) { m_completion = completion; if (completion == 100) { m_notifyOnAdd = true; // henceforth emit modelChanged(); } else if (!m_notifyOnAdd) { if (update && m_sinceLastNotifyMin >= 0 && m_sinceLastNotifyMax >= 0) { emit modelChanged(m_sinceLastNotifyMin, m_sinceLastNotifyMax + m_resolution); m_sinceLastNotifyMin = m_sinceLastNotifyMax = -1; } else { emit completionChanged(); } } else { emit completionChanged(); } } } QString EditableDenseThreeDimensionalModel::toDelimitedDataString(QString delimiter) const { QString s; for (size_t i = 0; i < m_data.size(); ++i) { QStringList list; for (size_t j = 0; j < m_data[i].size(); ++j) { list << QString("%1").arg(m_data[i][j]); } s += list.join(delimiter) + "\n"; } return s; } void EditableDenseThreeDimensionalModel::toXml(QTextStream &out, QString indent, QString extraAttributes) const { // For historical reasons we read and write "resolution" as "windowSize" std::cerr << "EditableDenseThreeDimensionalModel::toXml" << std::endl; Model::toXml (out, indent, QString("type=\"dense\" dimensions=\"3\" windowSize=\"%1\" yBinCount=\"%2\" minimum=\"%3\" maximum=\"%4\" dataset=\"%5\" %6") .arg(m_resolution) .arg(m_yBinCount) .arg(m_minimum) .arg(m_maximum) .arg(getObjectExportId(&m_data)) .arg(extraAttributes)); out << indent; out << QString("<dataset id=\"%1\" dimensions=\"3\" separator=\" \">\n") .arg(getObjectExportId(&m_data)); for (size_t i = 0; i < m_binNames.size(); ++i) { if (m_binNames[i] != "") { out << indent + " "; out << QString("<bin number=\"%1\" name=\"%2\"/>\n") .arg(i).arg(m_binNames[i]); } } for (size_t i = 0; i < m_data.size(); ++i) { out << indent + " "; out << QString("<row n=\"%1\">").arg(i); for (size_t j = 0; j < m_data[i].size(); ++j) { if (j > 0) out << " "; out << m_data[i][j]; } out << QString("</row>\n"); out.flush(); } out << indent + "</dataset>\n"; }