annotate data/model/DenseTimeValueModel.cpp @ 875:3e6ed8a8577b tonioni

Use a sparse time-value model only for outputs with fixed bin count of 1, not for those with unknown bin count. (Precursor to using more than one model for outputs with unknown bin count)
author Chris Cannam
date Tue, 28 Jan 2014 18:52:22 +0000
parents e802e550a1f2
children 59e7fe1b1003
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 #include "DenseTimeValueModel.h"
Chris@150 17 #include "base/PlayParameterRepository.h"
Chris@147 18
Chris@838 19 #include <QStringList>
Chris@838 20
Chris@147 21 DenseTimeValueModel::DenseTimeValueModel()
Chris@147 22 {
Chris@391 23 PlayParameterRepository::getInstance()->addPlayable(this);
Chris@391 24 }
Chris@391 25
Chris@391 26 DenseTimeValueModel::~DenseTimeValueModel()
Chris@391 27 {
Chris@391 28 PlayParameterRepository::getInstance()->removePlayable(this);
Chris@147 29 }
Chris@147 30
Chris@838 31 QString
Chris@838 32 DenseTimeValueModel::toDelimitedDataString(QString delimiter, size_t f0, size_t f1) const
Chris@838 33 {
Chris@838 34 size_t ch = getChannelCount();
Chris@838 35
Chris@843 36 cerr << "f0 = " << f0 << ", f1 = " << f1 << endl;
Chris@838 37
Chris@838 38 if (f1 <= f0) return "";
Chris@838 39
Chris@838 40 float **all = new float *[ch];
Chris@838 41 for (size_t c = 0; c < ch; ++c) {
Chris@838 42 all[c] = new float[f1 - f0];
Chris@838 43 }
Chris@838 44
Chris@838 45 size_t n = getData(0, ch - 1, f0, f1 - f0, all);
Chris@838 46
Chris@838 47 QStringList list;
Chris@838 48 for (size_t i = 0; i < n; ++i) {
Chris@838 49 QStringList parts;
Chris@838 50 parts << QString("%1").arg(f0 + i);
Chris@838 51 for (size_t c = 0; c < ch; ++c) {
Chris@838 52 parts << QString("%1").arg(all[c][i]);
Chris@838 53 }
Chris@838 54 list << parts.join(delimiter);
Chris@838 55 }
Chris@838 56
Chris@838 57 for (size_t c = 0; c < ch; ++c) {
Chris@838 58 delete[] all[c];
Chris@838 59 }
Chris@838 60 delete[] all;
Chris@838 61
Chris@838 62 return list.join("\n");
Chris@838 63 }