annotate data/model/DenseTimeValueModel.cpp @ 1520:954d0cf29ca7 import-audio-data

Switch the normalisation option in WritableWaveFileModel from normalising on read to normalising on write, so that the saved file is already normalised and therefore can be read again without having to remember to normalise it
author Chris Cannam
date Wed, 12 Sep 2018 13:56:56 +0100
parents 0d4f1fcad97a
children 0d89abd631ac
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@1429 30
Chris@838 31 QString
Chris@1038 32 DenseTimeValueModel::toDelimitedDataStringSubset(QString delimiter, sv_frame_t f0, sv_frame_t f1) const
Chris@838 33 {
Chris@929 34 int ch = getChannelCount();
Chris@838 35
Chris@1494 36 // cerr << "f0 = " << f0 << ", f1 = " << f1 << endl;
Chris@838 37
Chris@838 38 if (f1 <= f0) return "";
Chris@838 39
Chris@1096 40 auto data = getMultiChannelData(0, ch - 1, f0, f1 - f0);
Chris@838 41
Chris@1096 42 if (data.empty() || data[0].empty()) return "";
Chris@1096 43
Chris@838 44 QStringList list;
Chris@1096 45 for (sv_frame_t i = 0; in_range_for(data[0], i); ++i) {
Chris@838 46 QStringList parts;
Chris@838 47 parts << QString("%1").arg(f0 + i);
Chris@1096 48 for (int c = 0; in_range_for(data, c); ++c) {
Chris@1096 49 parts << QString("%1").arg(data[c][i]);
Chris@838 50 }
Chris@838 51 list << parts.join(delimiter);
Chris@838 52 }
Chris@838 53
Chris@838 54 return list.join("\n");
Chris@838 55 }