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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
/*
Sonic Visualiser
An audio file viewer and annotation editor.
Centre for Digital Music, Queen Mary, University of London.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version. See the file
COPYING included with this distribution for more information.
*/
#include "Colour3DPlotExporter.h"
#include "data/model/EditableDenseThreeDimensionalModel.h"
#include "data/model/FFTModel.h"
#include "VerticalBinLayer.h"
namespace sv {
Colour3DPlotExporter::Colour3DPlotExporter(Sources sources, Parameters params) :
m_sources(sources),
m_params(params)
{
// SVCERR << "Colour3DPlotExporter::Colour3DPlotExporter: constructed at "
// << this << endl;
}
Colour3DPlotExporter::~Colour3DPlotExporter()
{
// SVCERR << "Colour3DPlotExporter[" << this << "]::~Colour3DPlotExporter"
// << endl;
}
void
Colour3DPlotExporter::discardSources()
{
// SVCERR << "Colour3DPlotExporter[" << this << "]::discardSources"
// << endl;
QMutexLocker locker(&m_mutex);
m_sources.verticalBinLayer = nullptr;
m_sources.source = {};
m_sources.fft = {};
m_sources.provider = nullptr;
}
QVector<QString>
Colour3DPlotExporter::getStringExportHeaders(DataExportOptions opts) const
{
auto model =
ModelById::getAs<DenseThreeDimensionalModel>(m_sources.source);
auto layer = m_sources.verticalBinLayer;
auto provider = m_sources.provider;
if (!model || !layer) {
SVCERR << "ERROR: Colour3DPlotExporter::getDelimitedDataHeaderLine: Source model and layer required" << endl;
return {};
}
int minbin = 0;
int sh = model->getHeight();
int nbins = sh;
if (provider) {
minbin = layer->getIBinForY(provider, provider->getPaintHeight());
if (minbin >= sh) minbin = sh - 1;
if (minbin < 0) minbin = 0;
nbins = layer->getIBinForY(provider, 0) - minbin + 1;
if (minbin + nbins > sh) nbins = sh - minbin;
}
QVector<QString> headers;
if (opts & DataExportAlwaysIncludeTimestamp) {
if (opts & DataExportWriteTimeInFrames) {
headers << "FRAME";
} else {
headers << "TIME";
}
}
if (m_params.binDisplay == BinDisplay::PeakFrequencies) {
for (int i = 0; i < nbins/4; ++i) {
headers << QString("FREQ %1").arg(i+1)
<< QString("MAG %1").arg(i+1);
}
} else {
bool hasValues = model->hasBinValues();
QString unit = (hasValues ? model->getBinValueUnit() : "");
for (int i = minbin; i < minbin + nbins; ++i) {
QString name = model->getBinName(i);
if (name == "") {
if (hasValues) {
if (unit != "") {
name = QString("BIN %1: %2 %3")
.arg(i+1)
.arg(model->getBinValue(i))
.arg(unit);
} else {
name = QString("BIN %1: %2")
.arg(i+1)
.arg(model->getBinValue(i));
}
} else {
name = QString("BIN %1")
.arg(i+1);
}
}
headers << name;
}
}
return headers;
}
QVector<QVector<QString>>
Colour3DPlotExporter::toStringExportRows(DataExportOptions opts,
sv_frame_t startFrame,
sv_frame_t duration) const
{
QMutexLocker locker(&m_mutex);
BinDisplay binDisplay = m_params.binDisplay;
auto model =
ModelById::getAs<DenseThreeDimensionalModel>(m_sources.source);
auto fftModel =
ModelById::getAs<FFTModel>(m_sources.fft);
auto layer = m_sources.verticalBinLayer;
auto provider = m_sources.provider;
if (!model || !layer) {
SVCERR << "ERROR: Colour3DPlotExporter::toDelimitedDataString: Source model and layer required" << endl;
return {};
}
if ((binDisplay == BinDisplay::PeakFrequencies) && !fftModel) {
SVCERR << "ERROR: Colour3DPlotExporter::toDelimitedDataString: FFT model required in peak frequencies mode" << endl;
return {};
}
int minbin = 0;
int sh = model->getHeight();
int nbins = sh;
if (provider) {
minbin = layer->getIBinForY(provider, provider->getPaintHeight());
if (minbin >= sh) minbin = sh - 1;
if (minbin < 0) minbin = 0;
nbins = layer->getIBinForY(provider, 0) - minbin + 1;
if (minbin + nbins > sh) nbins = sh - minbin;
}
int w = model->getWidth();
QVector<QVector<QString>> rows;
for (int i = 0; i < w; ++i) {
sv_frame_t fr = model->getStartFrame() + i * model->getResolution();
if (fr < startFrame || fr >= startFrame + duration) {
continue;
}
//!!! (+ phase layer type)
auto column = model->getColumn(i);
column = ColumnOp::Column(column.data() + minbin,
column.data() + minbin + nbins);
// The scale factor is always applied
column = ColumnOp::applyGain(column, m_params.scaleFactor);
QVector<QString> row;
if (opts & DataExportAlwaysIncludeTimestamp) {
if (opts & DataExportWriteTimeInFrames) {
row << QString("%1").arg(fr);
} else {
row << RealTime::frame2RealTime(fr, model->getSampleRate())
.toString().c_str();
}
}
if (binDisplay == BinDisplay::PeakFrequencies) {
FFTModel::Peaks peaks = fftModel->getPeakFrequencies
(FFTModel::AllPeaks, i, minbin, minbin + nbins - 1);
// We don't apply normalisation or gain to the output, but
// we *do* perform thresholding when exporting the
// peak-frequency spectrogram, to give the user an
// opportunity to cut irrelevant peaks. And to make that
// match the display, we have to apply both normalisation
// and gain locally for thresholding
auto toTest = ColumnOp::normalize(column, m_params.normalization);
toTest = ColumnOp::applyGain(toTest, m_params.gain);
for (const auto &p: peaks) {
int bin = p.first;
if (toTest[bin - minbin] < m_params.threshold) {
continue;
}
double freq = p.second;
double value = column[bin - minbin];
row << QString("%1").arg(freq) << QString("%1").arg(value);
}
} else {
if (binDisplay == BinDisplay::PeakBins) {
column = ColumnOp::peakPick(column);
}
for (auto value: column) {
row << QString("%1").arg(value);
}
}
if (!row.empty()) {
rows.push_back(row);
}
}
return rows;
}
} // end namespace sv
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