annotate data/model/AggregateWaveModel.cpp @ 1406:09751743647e

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author Chris Cannam
date Tue, 07 Mar 2017 13:52:37 +0000
parents 2c0e04062a99
children 7b4d56b01440
rev   line source
Chris@297 1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
Chris@297 2
Chris@297 3 /*
Chris@297 4 Sonic Visualiser
Chris@297 5 An audio file viewer and annotation editor.
Chris@297 6 Centre for Digital Music, Queen Mary, University of London.
Chris@297 7 This file copyright 2007 QMUL.
Chris@297 8
Chris@297 9 This program is free software; you can redistribute it and/or
Chris@297 10 modify it under the terms of the GNU General Public License as
Chris@297 11 published by the Free Software Foundation; either version 2 of the
Chris@297 12 License, or (at your option) any later version. See the file
Chris@297 13 COPYING included with this distribution for more information.
Chris@297 14 */
Chris@297 15
Chris@297 16 #include "AggregateWaveModel.h"
Chris@297 17
Chris@297 18 #include <iostream>
Chris@297 19
Chris@314 20 #include <QTextStream>
Chris@314 21
Chris@1096 22 using namespace std;
Chris@1096 23
Chris@297 24 PowerOfSqrtTwoZoomConstraint
Chris@297 25 AggregateWaveModel::m_zoomConstraint;
Chris@297 26
Chris@297 27 AggregateWaveModel::AggregateWaveModel(ChannelSpecList channelSpecs) :
Chris@1389 28 m_components(channelSpecs),
Chris@1389 29 m_invalidated(false)
Chris@297 30 {
Chris@297 31 for (ChannelSpecList::const_iterator i = channelSpecs.begin();
Chris@297 32 i != channelSpecs.end(); ++i) {
Chris@1389 33
Chris@1389 34 connect(i->model, SIGNAL(aboutToBeDeleted()),
Chris@1389 35 this, SLOT(componentModelAboutToBeDeleted()));
Chris@1389 36
Chris@297 37 if (i->model->getSampleRate() !=
Chris@297 38 channelSpecs.begin()->model->getSampleRate()) {
Chris@690 39 SVDEBUG << "AggregateWaveModel::AggregateWaveModel: WARNING: Component models do not all have the same sample rate" << endl;
Chris@297 40 break;
Chris@297 41 }
Chris@297 42 }
Chris@297 43 }
Chris@297 44
Chris@297 45 AggregateWaveModel::~AggregateWaveModel()
Chris@297 46 {
Chris@297 47 }
Chris@297 48
Chris@1389 49 void
Chris@1389 50 AggregateWaveModel::componentModelAboutToBeDeleted()
Chris@1389 51 {
Chris@1389 52 SVDEBUG << "AggregateWaveModel::componentModelAboutToBeDeleted: invalidating"
Chris@1389 53 << endl;
Chris@1389 54 m_components.clear();
Chris@1389 55 m_invalidated = true;
Chris@1390 56 emit modelInvalidated();
Chris@1389 57 }
Chris@1389 58
Chris@297 59 bool
Chris@297 60 AggregateWaveModel::isOK() const
Chris@297 61 {
Chris@1389 62 if (m_invalidated) {
Chris@1389 63 return false;
Chris@1389 64 }
Chris@297 65 for (ChannelSpecList::const_iterator i = m_components.begin();
Chris@297 66 i != m_components.end(); ++i) {
Chris@1389 67 if (!i->model->isOK()) {
Chris@1389 68 return false;
Chris@1389 69 }
Chris@297 70 }
Chris@297 71 return true;
Chris@297 72 }
Chris@297 73
Chris@297 74 bool
Chris@297 75 AggregateWaveModel::isReady(int *completion) const
Chris@297 76 {
Chris@297 77 if (completion) *completion = 100;
Chris@1389 78
Chris@297 79 bool ready = true;
Chris@297 80 for (ChannelSpecList::const_iterator i = m_components.begin();
Chris@297 81 i != m_components.end(); ++i) {
Chris@297 82 int completionHere = 100;
Chris@297 83 if (!i->model->isReady(&completionHere)) ready = false;
Chris@297 84 if (completion && completionHere < *completion) {
Chris@297 85 *completion = completionHere;
Chris@297 86 }
Chris@297 87 }
Chris@297 88 return ready;
Chris@297 89 }
Chris@297 90
Chris@1038 91 sv_frame_t
Chris@297 92 AggregateWaveModel::getFrameCount() const
Chris@297 93 {
Chris@1038 94 sv_frame_t count = 0;
Chris@297 95 for (ChannelSpecList::const_iterator i = m_components.begin();
Chris@297 96 i != m_components.end(); ++i) {
Chris@1389 97 sv_frame_t thisCount =
Chris@1389 98 i->model->getEndFrame() - i->model->getStartFrame();
Chris@297 99 if (thisCount > count) count = thisCount;
Chris@297 100 }
Chris@297 101 return count;
Chris@297 102 }
Chris@297 103
Chris@929 104 int
Chris@297 105 AggregateWaveModel::getChannelCount() const
Chris@297 106 {
Chris@1038 107 return int(m_components.size());
Chris@297 108 }
Chris@297 109
Chris@1040 110 sv_samplerate_t
Chris@297 111 AggregateWaveModel::getSampleRate() const
Chris@297 112 {
Chris@297 113 if (m_components.empty()) return 0;
Chris@297 114 return m_components.begin()->model->getSampleRate();
Chris@297 115 }
Chris@297 116
Chris@1326 117 floatvec_t
Chris@1096 118 AggregateWaveModel::getData(int channel, sv_frame_t start, sv_frame_t count) const
Chris@297 119 {
Chris@297 120 int ch0 = channel, ch1 = channel;
Chris@297 121 if (channel == -1) {
Chris@297 122 ch0 = 0;
Chris@297 123 ch1 = getChannelCount()-1;
Chris@297 124 }
Chris@297 125
Chris@1326 126 floatvec_t result(count, 0.f);
Chris@1038 127 sv_frame_t longest = 0;
Chris@1008 128
Chris@297 129 for (int c = ch0; c <= ch1; ++c) {
Chris@1096 130
Chris@1096 131 auto here = m_components[c].model->getData(m_components[c].channel,
Chris@1096 132 start, count);
Chris@1100 133 if (sv_frame_t(here.size()) > longest) {
Chris@1100 134 longest = sv_frame_t(here.size());
Chris@1008 135 }
Chris@1096 136 for (sv_frame_t i = 0; in_range_for(here, i); ++i) {
Chris@1096 137 result[i] += here[i];
Chris@297 138 }
Chris@297 139 }
Chris@297 140
Chris@1096 141 result.resize(longest);
Chris@1096 142 return result;
Chris@297 143 }
Chris@363 144
Chris@1326 145 vector<floatvec_t>
Chris@1086 146 AggregateWaveModel::getMultiChannelData(int fromchannel, int tochannel,
Chris@1096 147 sv_frame_t start, sv_frame_t count) const
Chris@363 148 {
Chris@1038 149 sv_frame_t min = count;
Chris@363 150
Chris@1326 151 vector<floatvec_t> result;
Chris@1096 152
Chris@929 153 for (int c = fromchannel; c <= tochannel; ++c) {
Chris@1096 154 auto here = getData(c, start, count);
Chris@1100 155 if (sv_frame_t(here.size()) < min) {
Chris@1100 156 min = sv_frame_t(here.size());
Chris@1100 157 }
Chris@1096 158 result.push_back(here);
Chris@1096 159 }
Chris@1096 160
Chris@1096 161 if (min < count) {
Chris@1096 162 for (auto &v : result) v.resize(min);
Chris@363 163 }
Chris@363 164
Chris@1096 165 return result;
Chris@363 166 }
Chris@377 167
Chris@929 168 int
Chris@929 169 AggregateWaveModel::getSummaryBlockSize(int desired) const
Chris@377 170 {
Chris@377 171 //!!! complete
Chris@377 172 return desired;
Chris@377 173 }
Chris@297 174
Chris@297 175 void
Chris@1038 176 AggregateWaveModel::getSummaries(int, sv_frame_t, sv_frame_t,
Chris@929 177 RangeBlock &, int &) const
Chris@297 178 {
Chris@297 179 //!!! complete
Chris@297 180 }
Chris@297 181
Chris@297 182 AggregateWaveModel::Range
Chris@1038 183 AggregateWaveModel::getSummary(int, sv_frame_t, sv_frame_t) const
Chris@297 184 {
Chris@297 185 //!!! complete
Chris@297 186 return Range();
Chris@297 187 }
Chris@297 188
Chris@929 189 int
Chris@297 190 AggregateWaveModel::getComponentCount() const
Chris@297 191 {
Chris@1038 192 return int(m_components.size());
Chris@297 193 }
Chris@297 194
Chris@297 195 AggregateWaveModel::ModelChannelSpec
Chris@929 196 AggregateWaveModel::getComponent(int c) const
Chris@297 197 {
Chris@297 198 return m_components[c];
Chris@297 199 }
Chris@297 200
Chris@297 201 void
Chris@297 202 AggregateWaveModel::componentModelChanged()
Chris@297 203 {
Chris@297 204 emit modelChanged();
Chris@297 205 }
Chris@297 206
Chris@297 207 void
Chris@1038 208 AggregateWaveModel::componentModelChangedWithin(sv_frame_t start, sv_frame_t end)
Chris@297 209 {
Chris@947 210 emit modelChangedWithin(start, end);
Chris@297 211 }
Chris@297 212
Chris@297 213 void
Chris@297 214 AggregateWaveModel::componentModelCompletionChanged()
Chris@297 215 {
Chris@297 216 emit completionChanged();
Chris@297 217 }
Chris@297 218
Chris@297 219 void
Chris@1391 220 AggregateWaveModel::toXml(QTextStream &out,
Chris@1391 221 QString indent,
Chris@1391 222 QString extraAttributes) const
Chris@297 223 {
Chris@1391 224 QStringList componentStrings;
Chris@1391 225 for (const auto &c: m_components) {
Chris@1391 226 componentStrings.push_back(QString("%1").arg(getObjectExportId(c.model)));
Chris@1391 227 }
Chris@1391 228 Model::toXml(out, indent,
Chris@1391 229 QString("type=\"aggregatewave\" components=\"%1\" %2")
Chris@1391 230 .arg(componentStrings.join(","))
Chris@1391 231 .arg(extraAttributes));
Chris@297 232 }
Chris@297 233