annotate data/model/AggregateWaveModel.cpp @ 1691:d08b560102a1 single-point

Merge from default branch
author Chris Cannam
date Wed, 24 Apr 2019 11:44:32 +0100
parents e73baeead27f 901f37d32060
children 87b4c596c0ef
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@1556 24 //#define DEBUG_AGGREGATE_WAVE_FILE_MODEL 1
Chris@1556 25
Chris@297 26 PowerOfSqrtTwoZoomConstraint
Chris@297 27 AggregateWaveModel::m_zoomConstraint;
Chris@297 28
Chris@297 29 AggregateWaveModel::AggregateWaveModel(ChannelSpecList channelSpecs) :
Chris@1389 30 m_components(channelSpecs),
Chris@1389 31 m_invalidated(false)
Chris@297 32 {
Chris@297 33 for (ChannelSpecList::const_iterator i = channelSpecs.begin();
Chris@297 34 i != channelSpecs.end(); ++i) {
Chris@1389 35
Chris@1389 36 connect(i->model, SIGNAL(aboutToBeDeleted()),
Chris@1389 37 this, SLOT(componentModelAboutToBeDeleted()));
Chris@1389 38
Chris@297 39 if (i->model->getSampleRate() !=
Chris@297 40 channelSpecs.begin()->model->getSampleRate()) {
Chris@690 41 SVDEBUG << "AggregateWaveModel::AggregateWaveModel: WARNING: Component models do not all have the same sample rate" << endl;
Chris@297 42 break;
Chris@297 43 }
Chris@297 44 }
Chris@297 45 }
Chris@297 46
Chris@297 47 AggregateWaveModel::~AggregateWaveModel()
Chris@297 48 {
Chris@1688 49 SVDEBUG << "AggregateWaveModel::~AggregateWaveModel" << endl;
Chris@297 50 }
Chris@297 51
Chris@1389 52 void
Chris@1389 53 AggregateWaveModel::componentModelAboutToBeDeleted()
Chris@1389 54 {
Chris@1389 55 SVDEBUG << "AggregateWaveModel::componentModelAboutToBeDeleted: invalidating"
Chris@1389 56 << endl;
Chris@1389 57 m_components.clear();
Chris@1389 58 m_invalidated = true;
Chris@1390 59 emit modelInvalidated();
Chris@1389 60 }
Chris@1389 61
Chris@297 62 bool
Chris@297 63 AggregateWaveModel::isOK() const
Chris@297 64 {
Chris@1688 65 if (m_invalidated || m_components.empty()) {
Chris@1389 66 return false;
Chris@1389 67 }
Chris@297 68 for (ChannelSpecList::const_iterator i = m_components.begin();
Chris@297 69 i != m_components.end(); ++i) {
Chris@1389 70 if (!i->model->isOK()) {
Chris@1389 71 return false;
Chris@1389 72 }
Chris@297 73 }
Chris@297 74 return true;
Chris@297 75 }
Chris@297 76
Chris@297 77 bool
Chris@297 78 AggregateWaveModel::isReady(int *completion) const
Chris@297 79 {
Chris@297 80 if (completion) *completion = 100;
Chris@1389 81
Chris@297 82 bool ready = true;
Chris@297 83 for (ChannelSpecList::const_iterator i = m_components.begin();
Chris@297 84 i != m_components.end(); ++i) {
Chris@297 85 int completionHere = 100;
Chris@1556 86 if (!i->model->isReady(&completionHere)) {
Chris@1556 87 ready = false;
Chris@1556 88 }
Chris@297 89 if (completion && completionHere < *completion) {
Chris@297 90 *completion = completionHere;
Chris@297 91 }
Chris@297 92 }
Chris@1556 93
Chris@1556 94 #ifdef DEBUG_AGGREGATE_WAVE_FILE_MODEL
Chris@1556 95 SVDEBUG << "AggregateWaveModel(" << objectName()
Chris@1556 96 << ")::isReady: returning " << ready << endl;
Chris@1556 97 #endif
Chris@1556 98
Chris@297 99 return ready;
Chris@297 100 }
Chris@297 101
Chris@1038 102 sv_frame_t
Chris@297 103 AggregateWaveModel::getFrameCount() const
Chris@297 104 {
Chris@1038 105 sv_frame_t count = 0;
Chris@297 106 for (ChannelSpecList::const_iterator i = m_components.begin();
Chris@297 107 i != m_components.end(); ++i) {
Chris@1389 108 sv_frame_t thisCount =
Chris@1389 109 i->model->getEndFrame() - i->model->getStartFrame();
Chris@297 110 if (thisCount > count) count = thisCount;
Chris@297 111 }
Chris@297 112 return count;
Chris@297 113 }
Chris@297 114
Chris@929 115 int
Chris@297 116 AggregateWaveModel::getChannelCount() const
Chris@297 117 {
Chris@1038 118 return int(m_components.size());
Chris@297 119 }
Chris@297 120
Chris@1040 121 sv_samplerate_t
Chris@297 122 AggregateWaveModel::getSampleRate() const
Chris@297 123 {
Chris@1688 124 if (m_invalidated || m_components.empty()) return 0;
Chris@297 125 return m_components.begin()->model->getSampleRate();
Chris@297 126 }
Chris@297 127
Chris@1326 128 floatvec_t
Chris@1096 129 AggregateWaveModel::getData(int channel, sv_frame_t start, sv_frame_t count) const
Chris@297 130 {
Chris@1688 131 if (m_invalidated || m_components.empty()) return {};
Chris@1688 132
Chris@297 133 int ch0 = channel, ch1 = channel;
Chris@297 134 if (channel == -1) {
Chris@297 135 ch0 = 0;
Chris@297 136 ch1 = getChannelCount()-1;
Chris@297 137 }
Chris@297 138
Chris@1326 139 floatvec_t result(count, 0.f);
Chris@1038 140 sv_frame_t longest = 0;
Chris@1008 141
Chris@297 142 for (int c = ch0; c <= ch1; ++c) {
Chris@1096 143
Chris@1096 144 auto here = m_components[c].model->getData(m_components[c].channel,
Chris@1096 145 start, count);
Chris@1100 146 if (sv_frame_t(here.size()) > longest) {
Chris@1100 147 longest = sv_frame_t(here.size());
Chris@1008 148 }
Chris@1096 149 for (sv_frame_t i = 0; in_range_for(here, i); ++i) {
Chris@1096 150 result[i] += here[i];
Chris@297 151 }
Chris@297 152 }
Chris@297 153
Chris@1096 154 result.resize(longest);
Chris@1096 155 return result;
Chris@297 156 }
Chris@363 157
Chris@1326 158 vector<floatvec_t>
Chris@1086 159 AggregateWaveModel::getMultiChannelData(int fromchannel, int tochannel,
Chris@1096 160 sv_frame_t start, sv_frame_t count) const
Chris@363 161 {
Chris@1038 162 sv_frame_t min = count;
Chris@363 163
Chris@1326 164 vector<floatvec_t> result;
Chris@1096 165
Chris@929 166 for (int c = fromchannel; c <= tochannel; ++c) {
Chris@1096 167 auto here = getData(c, start, count);
Chris@1100 168 if (sv_frame_t(here.size()) < min) {
Chris@1100 169 min = sv_frame_t(here.size());
Chris@1100 170 }
Chris@1096 171 result.push_back(here);
Chris@1096 172 }
Chris@1096 173
Chris@1096 174 if (min < count) {
Chris@1096 175 for (auto &v : result) v.resize(min);
Chris@363 176 }
Chris@363 177
Chris@1096 178 return result;
Chris@363 179 }
Chris@377 180
Chris@929 181 int
Chris@929 182 AggregateWaveModel::getSummaryBlockSize(int desired) const
Chris@377 183 {
Chris@377 184 //!!! complete
Chris@377 185 return desired;
Chris@377 186 }
Chris@297 187
Chris@297 188 void
Chris@1038 189 AggregateWaveModel::getSummaries(int, sv_frame_t, sv_frame_t,
Chris@929 190 RangeBlock &, int &) const
Chris@297 191 {
Chris@297 192 //!!! complete
Chris@297 193 }
Chris@297 194
Chris@297 195 AggregateWaveModel::Range
Chris@1038 196 AggregateWaveModel::getSummary(int, sv_frame_t, sv_frame_t) const
Chris@297 197 {
Chris@297 198 //!!! complete
Chris@297 199 return Range();
Chris@297 200 }
Chris@297 201
Chris@929 202 int
Chris@297 203 AggregateWaveModel::getComponentCount() const
Chris@297 204 {
Chris@1038 205 return int(m_components.size());
Chris@297 206 }
Chris@297 207
Chris@297 208 AggregateWaveModel::ModelChannelSpec
Chris@929 209 AggregateWaveModel::getComponent(int c) const
Chris@297 210 {
Chris@297 211 return m_components[c];
Chris@297 212 }
Chris@297 213
Chris@297 214 void
Chris@297 215 AggregateWaveModel::componentModelChanged()
Chris@297 216 {
Chris@297 217 emit modelChanged();
Chris@297 218 }
Chris@297 219
Chris@297 220 void
Chris@1038 221 AggregateWaveModel::componentModelChangedWithin(sv_frame_t start, sv_frame_t end)
Chris@297 222 {
Chris@947 223 emit modelChangedWithin(start, end);
Chris@297 224 }
Chris@297 225
Chris@297 226 void
Chris@297 227 AggregateWaveModel::componentModelCompletionChanged()
Chris@297 228 {
Chris@297 229 emit completionChanged();
Chris@297 230 }
Chris@297 231
Chris@297 232 void
Chris@1391 233 AggregateWaveModel::toXml(QTextStream &out,
Chris@1391 234 QString indent,
Chris@1391 235 QString extraAttributes) const
Chris@297 236 {
Chris@1391 237 QStringList componentStrings;
Chris@1391 238 for (const auto &c: m_components) {
Chris@1677 239 componentStrings.push_back(QString("%1").arg(c.model->getExportId()));
Chris@1391 240 }
Chris@1391 241 Model::toXml(out, indent,
Chris@1391 242 QString("type=\"aggregatewave\" components=\"%1\" %2")
Chris@1391 243 .arg(componentStrings.join(","))
Chris@1391 244 .arg(extraAttributes));
Chris@297 245 }
Chris@297 246