annotate data/model/AggregateWaveModel.cpp @ 1087:dcf54a6964d0

Tidy
author Chris Cannam
date Thu, 11 Jun 2015 09:09:11 +0100
parents 9f4505ac9072
children 4d9816ba0ebe
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@1038 68 sv_frame_t
Chris@297 69 AggregateWaveModel::getFrameCount() const
Chris@297 70 {
Chris@1038 71 sv_frame_t 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@1038 75 sv_frame_t 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@1038 85 return int(m_components.size());
Chris@297 86 }
Chris@297 87
Chris@1040 88 sv_samplerate_t
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@1038 95 sv_frame_t
Chris@1038 96 AggregateWaveModel::getData(int channel, sv_frame_t start, sv_frame_t count,
Chris@300 97 float *buffer) const
Chris@297 98 {
Chris@297 99 int ch0 = channel, ch1 = channel;
Chris@297 100 bool mixing = false;
Chris@297 101 if (channel == -1) {
Chris@297 102 ch0 = 0;
Chris@297 103 ch1 = getChannelCount()-1;
Chris@297 104 mixing = true;
Chris@297 105 }
Chris@297 106
Chris@297 107 float *readbuf = buffer;
Chris@297 108 if (mixing) {
Chris@300 109 readbuf = new float[count];
Chris@1038 110 for (sv_frame_t i = 0; i < count; ++i) {
Chris@297 111 buffer[i] = 0.f;
Chris@297 112 }
Chris@297 113 }
Chris@297 114
Chris@1038 115 sv_frame_t longest = 0;
Chris@1008 116
Chris@297 117 for (int c = ch0; c <= ch1; ++c) {
Chris@1038 118 sv_frame_t here =
Chris@300 119 m_components[c].model->getData(m_components[c].channel,
Chris@300 120 start, count,
Chris@300 121 readbuf);
Chris@1008 122 if (here > longest) {
Chris@1008 123 longest = here;
Chris@1008 124 }
Chris@1008 125 if (here < count) {
Chris@1038 126 for (sv_frame_t i = here; i < count; ++i) {
Chris@1008 127 readbuf[i] = 0.f;
Chris@1008 128 }
Chris@1008 129 }
Chris@297 130 if (mixing) {
Chris@1038 131 for (sv_frame_t i = 0; i < count; ++i) {
Chris@297 132 buffer[i] += readbuf[i];
Chris@297 133 }
Chris@297 134 }
Chris@297 135 }
Chris@297 136
Chris@297 137 if (mixing) delete[] readbuf;
Chris@1008 138 return longest;
Chris@297 139 }
Chris@363 140
Chris@1038 141 sv_frame_t
Chris@1086 142 AggregateWaveModel::getMultiChannelData(int fromchannel, int tochannel,
Chris@1086 143 sv_frame_t start, sv_frame_t count,
Chris@1086 144 float **buffer) const
Chris@363 145 {
Chris@1038 146 sv_frame_t min = count;
Chris@363 147
Chris@929 148 for (int c = fromchannel; c <= tochannel; ++c) {
Chris@1038 149 sv_frame_t here = getData(c, start, count, buffer[c - fromchannel]);
Chris@363 150 if (here < min) min = here;
Chris@363 151 }
Chris@363 152
Chris@363 153 return min;
Chris@363 154 }
Chris@377 155
Chris@929 156 int
Chris@929 157 AggregateWaveModel::getSummaryBlockSize(int desired) const
Chris@377 158 {
Chris@377 159 //!!! complete
Chris@377 160 return desired;
Chris@377 161 }
Chris@297 162
Chris@297 163 void
Chris@1038 164 AggregateWaveModel::getSummaries(int, sv_frame_t, sv_frame_t,
Chris@929 165 RangeBlock &, int &) const
Chris@297 166 {
Chris@297 167 //!!! complete
Chris@297 168 }
Chris@297 169
Chris@297 170 AggregateWaveModel::Range
Chris@1038 171 AggregateWaveModel::getSummary(int, sv_frame_t, sv_frame_t) const
Chris@297 172 {
Chris@297 173 //!!! complete
Chris@297 174 return Range();
Chris@297 175 }
Chris@297 176
Chris@929 177 int
Chris@297 178 AggregateWaveModel::getComponentCount() const
Chris@297 179 {
Chris@1038 180 return int(m_components.size());
Chris@297 181 }
Chris@297 182
Chris@297 183 AggregateWaveModel::ModelChannelSpec
Chris@929 184 AggregateWaveModel::getComponent(int c) const
Chris@297 185 {
Chris@297 186 return m_components[c];
Chris@297 187 }
Chris@297 188
Chris@297 189 void
Chris@297 190 AggregateWaveModel::componentModelChanged()
Chris@297 191 {
Chris@297 192 emit modelChanged();
Chris@297 193 }
Chris@297 194
Chris@297 195 void
Chris@1038 196 AggregateWaveModel::componentModelChangedWithin(sv_frame_t start, sv_frame_t end)
Chris@297 197 {
Chris@947 198 emit modelChangedWithin(start, end);
Chris@297 199 }
Chris@297 200
Chris@297 201 void
Chris@297 202 AggregateWaveModel::componentModelCompletionChanged()
Chris@297 203 {
Chris@297 204 emit completionChanged();
Chris@297 205 }
Chris@297 206
Chris@297 207 void
Chris@929 208 AggregateWaveModel::toXml(QTextStream &,
Chris@929 209 QString ,
Chris@929 210 QString ) const
Chris@297 211 {
Chris@297 212 //!!! complete
Chris@297 213 }
Chris@297 214