annotate data/model/AggregateWaveModel.cpp @ 942:0009b2b066e0

Merge
author Chris Cannam
date Wed, 02 Jul 2014 08:42:33 +0100
parents 59e7fe1b1003
children cd42620e3f40
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@297 22 PowerOfSqrtTwoZoomConstraint
Chris@297 23 AggregateWaveModel::m_zoomConstraint;
Chris@297 24
Chris@297 25 AggregateWaveModel::AggregateWaveModel(ChannelSpecList channelSpecs) :
Chris@297 26 m_components(channelSpecs)
Chris@297 27 {
Chris@297 28 for (ChannelSpecList::const_iterator i = channelSpecs.begin();
Chris@297 29 i != channelSpecs.end(); ++i) {
Chris@297 30 if (i->model->getSampleRate() !=
Chris@297 31 channelSpecs.begin()->model->getSampleRate()) {
Chris@690 32 SVDEBUG << "AggregateWaveModel::AggregateWaveModel: WARNING: Component models do not all have the same sample rate" << endl;
Chris@297 33 break;
Chris@297 34 }
Chris@297 35 }
Chris@297 36 }
Chris@297 37
Chris@297 38 AggregateWaveModel::~AggregateWaveModel()
Chris@297 39 {
Chris@297 40 }
Chris@297 41
Chris@297 42 bool
Chris@297 43 AggregateWaveModel::isOK() const
Chris@297 44 {
Chris@297 45 for (ChannelSpecList::const_iterator i = m_components.begin();
Chris@297 46 i != m_components.end(); ++i) {
Chris@297 47 if (!i->model->isOK()) return false;
Chris@297 48 }
Chris@297 49 return true;
Chris@297 50 }
Chris@297 51
Chris@297 52 bool
Chris@297 53 AggregateWaveModel::isReady(int *completion) const
Chris@297 54 {
Chris@297 55 if (completion) *completion = 100;
Chris@297 56 bool ready = true;
Chris@297 57 for (ChannelSpecList::const_iterator i = m_components.begin();
Chris@297 58 i != m_components.end(); ++i) {
Chris@297 59 int completionHere = 100;
Chris@297 60 if (!i->model->isReady(&completionHere)) ready = false;
Chris@297 61 if (completion && completionHere < *completion) {
Chris@297 62 *completion = completionHere;
Chris@297 63 }
Chris@297 64 }
Chris@297 65 return ready;
Chris@297 66 }
Chris@297 67
Chris@929 68 int
Chris@297 69 AggregateWaveModel::getFrameCount() const
Chris@297 70 {
Chris@929 71 int count = 0;
Chris@297 72
Chris@297 73 for (ChannelSpecList::const_iterator i = m_components.begin();
Chris@297 74 i != m_components.end(); ++i) {
Chris@929 75 int thisCount = i->model->getEndFrame() - i->model->getStartFrame();
Chris@297 76 if (thisCount > count) count = thisCount;
Chris@297 77 }
Chris@297 78
Chris@297 79 return count;
Chris@297 80 }
Chris@297 81
Chris@929 82 int
Chris@297 83 AggregateWaveModel::getChannelCount() const
Chris@297 84 {
Chris@297 85 return m_components.size();
Chris@297 86 }
Chris@297 87
Chris@929 88 int
Chris@297 89 AggregateWaveModel::getSampleRate() const
Chris@297 90 {
Chris@297 91 if (m_components.empty()) return 0;
Chris@297 92 return m_components.begin()->model->getSampleRate();
Chris@297 93 }
Chris@297 94
Chris@297 95 Model *
Chris@297 96 AggregateWaveModel::clone() const
Chris@297 97 {
Chris@297 98 return new AggregateWaveModel(m_components);
Chris@297 99 }
Chris@297 100
Chris@929 101 int
Chris@929 102 AggregateWaveModel::getData(int channel, int start, int count,
Chris@300 103 float *buffer) const
Chris@297 104 {
Chris@297 105 int ch0 = channel, ch1 = channel;
Chris@297 106 bool mixing = false;
Chris@297 107 if (channel == -1) {
Chris@297 108 ch0 = 0;
Chris@297 109 ch1 = getChannelCount()-1;
Chris@297 110 mixing = true;
Chris@297 111 }
Chris@297 112
Chris@297 113 float *readbuf = buffer;
Chris@297 114 if (mixing) {
Chris@300 115 readbuf = new float[count];
Chris@929 116 for (int i = 0; i < count; ++i) {
Chris@297 117 buffer[i] = 0.f;
Chris@297 118 }
Chris@297 119 }
Chris@297 120
Chris@929 121 int sz = count;
Chris@300 122
Chris@297 123 for (int c = ch0; c <= ch1; ++c) {
Chris@929 124 int szHere =
Chris@300 125 m_components[c].model->getData(m_components[c].channel,
Chris@300 126 start, count,
Chris@300 127 readbuf);
Chris@297 128 if (szHere < sz) sz = szHere;
Chris@297 129 if (mixing) {
Chris@929 130 for (int i = 0; i < count; ++i) {
Chris@297 131 buffer[i] += readbuf[i];
Chris@297 132 }
Chris@297 133 }
Chris@297 134 }
Chris@297 135
Chris@297 136 if (mixing) delete[] readbuf;
Chris@297 137 return sz;
Chris@297 138 }
Chris@297 139
Chris@929 140 int
Chris@929 141 AggregateWaveModel::getData(int channel, int start, int count,
Chris@300 142 double *buffer) const
Chris@297 143 {
Chris@297 144 int ch0 = channel, ch1 = channel;
Chris@297 145 bool mixing = false;
Chris@297 146 if (channel == -1) {
Chris@297 147 ch0 = 0;
Chris@297 148 ch1 = getChannelCount()-1;
Chris@297 149 mixing = true;
Chris@297 150 }
Chris@297 151
Chris@297 152 double *readbuf = buffer;
Chris@297 153 if (mixing) {
Chris@300 154 readbuf = new double[count];
Chris@929 155 for (int i = 0; i < count; ++i) {
Chris@300 156 buffer[i] = 0.0;
Chris@297 157 }
Chris@297 158 }
Chris@297 159
Chris@929 160 int sz = count;
Chris@297 161
Chris@297 162 for (int c = ch0; c <= ch1; ++c) {
Chris@929 163 int szHere =
Chris@300 164 m_components[c].model->getData(m_components[c].channel,
Chris@300 165 start, count,
Chris@300 166 readbuf);
Chris@297 167 if (szHere < sz) sz = szHere;
Chris@297 168 if (mixing) {
Chris@929 169 for (int i = 0; i < count; ++i) {
Chris@297 170 buffer[i] += readbuf[i];
Chris@297 171 }
Chris@297 172 }
Chris@297 173 }
Chris@297 174
Chris@297 175 if (mixing) delete[] readbuf;
Chris@297 176 return sz;
Chris@297 177 }
Chris@363 178
Chris@929 179 int
Chris@929 180 AggregateWaveModel::getData(int fromchannel, int tochannel,
Chris@929 181 int start, int count,
Chris@363 182 float **buffer) const
Chris@363 183 {
Chris@929 184 int min = count;
Chris@363 185
Chris@929 186 for (int c = fromchannel; c <= tochannel; ++c) {
Chris@929 187 int here = getData(c, start, count, buffer[c - fromchannel]);
Chris@363 188 if (here < min) min = here;
Chris@363 189 }
Chris@363 190
Chris@363 191 return min;
Chris@363 192 }
Chris@377 193
Chris@929 194 int
Chris@929 195 AggregateWaveModel::getSummaryBlockSize(int desired) const
Chris@377 196 {
Chris@377 197 //!!! complete
Chris@377 198 return desired;
Chris@377 199 }
Chris@297 200
Chris@297 201 void
Chris@929 202 AggregateWaveModel::getSummaries(int, int, int,
Chris@929 203 RangeBlock &, int &) const
Chris@297 204 {
Chris@297 205 //!!! complete
Chris@297 206 }
Chris@297 207
Chris@297 208 AggregateWaveModel::Range
Chris@929 209 AggregateWaveModel::getSummary(int, int, int) const
Chris@297 210 {
Chris@297 211 //!!! complete
Chris@297 212 return Range();
Chris@297 213 }
Chris@297 214
Chris@929 215 int
Chris@297 216 AggregateWaveModel::getComponentCount() const
Chris@297 217 {
Chris@297 218 return m_components.size();
Chris@297 219 }
Chris@297 220
Chris@297 221 AggregateWaveModel::ModelChannelSpec
Chris@929 222 AggregateWaveModel::getComponent(int c) const
Chris@297 223 {
Chris@297 224 return m_components[c];
Chris@297 225 }
Chris@297 226
Chris@297 227 void
Chris@297 228 AggregateWaveModel::componentModelChanged()
Chris@297 229 {
Chris@297 230 emit modelChanged();
Chris@297 231 }
Chris@297 232
Chris@297 233 void
Chris@929 234 AggregateWaveModel::componentModelChanged(int start, int end)
Chris@297 235 {
Chris@297 236 emit modelChanged(start, end);
Chris@297 237 }
Chris@297 238
Chris@297 239 void
Chris@297 240 AggregateWaveModel::componentModelCompletionChanged()
Chris@297 241 {
Chris@297 242 emit completionChanged();
Chris@297 243 }
Chris@297 244
Chris@297 245 void
Chris@929 246 AggregateWaveModel::toXml(QTextStream &,
Chris@929 247 QString ,
Chris@929 248 QString ) const
Chris@297 249 {
Chris@297 250 //!!! complete
Chris@297 251 }
Chris@297 252