392 lines
9.4 KiB
C++
392 lines
9.4 KiB
C++
/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
|
|
|
|
/*
|
|
Vamp feature extraction plugins using Paul Brossier's Aubio library.
|
|
|
|
Centre for Digital Music, Queen Mary, University of London.
|
|
This file copyright 2006 Chris Cannam.
|
|
|
|
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 <math.h>
|
|
#include "Onset.h"
|
|
|
|
using std::string;
|
|
using std::vector;
|
|
using std::cerr;
|
|
using std::endl;
|
|
|
|
#ifdef HAVE_AUBIO4
|
|
const char *getAubioNameForOnsetType(OnsetType t)
|
|
{
|
|
// In the same order as the enum elements in the header
|
|
static const char *const names[] = {
|
|
"energy", "specdiff", "hfc", "complex", "phase", "kl", "mkl", "specflux"
|
|
};
|
|
return names[(int)t];
|
|
}
|
|
#endif
|
|
|
|
Onset::Onset(float inputSampleRate) :
|
|
Plugin(inputSampleRate),
|
|
m_ibuf(0),
|
|
m_onset(0),
|
|
#ifdef HAVE_AUBIO4
|
|
m_onsetdet(0),
|
|
m_onsettype(OnsetComplex),
|
|
m_minioi(4),
|
|
m_silence(-70),
|
|
#else
|
|
m_fftgrain(0),
|
|
m_pv(0),
|
|
m_peakpick(0),
|
|
m_onsetdet(0),
|
|
m_onsettype(aubio_onset_complex),
|
|
m_channelCount(1),
|
|
m_silence(-90),
|
|
#endif
|
|
m_threshold(0.3)
|
|
{
|
|
}
|
|
|
|
Onset::~Onset()
|
|
{
|
|
#ifdef HAVE_AUBIO4
|
|
if (m_onsetdet) del_aubio_onset(m_onsetdet);
|
|
#else
|
|
if (m_onsetdet) aubio_onsetdetection_free(m_onsetdet);
|
|
if (m_fftgrain) del_cvec(m_fftgrain);
|
|
if (m_pv) del_aubio_pvoc(m_pv);
|
|
if (m_peakpick) del_aubio_peakpicker(m_peakpick);
|
|
#endif
|
|
if (m_ibuf) del_fvec(m_ibuf);
|
|
if (m_onset) del_fvec(m_onset);
|
|
}
|
|
|
|
string
|
|
Onset::getIdentifier() const
|
|
{
|
|
return "aubioonset";
|
|
}
|
|
|
|
string
|
|
Onset::getName() const
|
|
{
|
|
return "Aubio Onset Detector";
|
|
}
|
|
|
|
string
|
|
Onset::getDescription() const
|
|
{
|
|
return "Estimate note onset times";
|
|
}
|
|
|
|
string
|
|
Onset::getMaker() const
|
|
{
|
|
return "Paul Brossier (plugin by Chris Cannam)";
|
|
}
|
|
|
|
int
|
|
Onset::getPluginVersion() const
|
|
{
|
|
#ifdef HAVE_AUBIO4
|
|
return 2;
|
|
#else
|
|
return 1;
|
|
#endif
|
|
}
|
|
|
|
string
|
|
Onset::getCopyright() const
|
|
{
|
|
return "GPL";
|
|
}
|
|
|
|
bool
|
|
Onset::initialise(size_t channels, size_t stepSize, size_t blockSize)
|
|
{
|
|
m_stepSize = stepSize;
|
|
m_blockSize = blockSize;
|
|
|
|
#ifdef HAVE_AUBIO4
|
|
if (channels != 1) {
|
|
std::cerr << "Onset::initialise: channels must be 1" << std::endl;
|
|
return false;
|
|
}
|
|
m_ibuf = new_fvec(stepSize);
|
|
m_onset = new_fvec(1);
|
|
reset();
|
|
#else
|
|
m_channelCount = channels;
|
|
|
|
m_ibuf = new_fvec(stepSize, channels);
|
|
m_onset = new_fvec(1, channels);
|
|
m_fftgrain = new_cvec(blockSize, channels);
|
|
m_pv = new_aubio_pvoc(blockSize, stepSize, channels);
|
|
m_peakpick = new_aubio_peakpicker(m_threshold);
|
|
|
|
m_onsetdet = new_aubio_onsetdetection(m_onsettype, blockSize, channels);
|
|
|
|
m_delay = Vamp::RealTime::frame2RealTime(4 * stepSize,
|
|
lrintf(m_inputSampleRate));
|
|
|
|
m_lastOnset = Vamp::RealTime::zeroTime - m_delay - m_delay;
|
|
|
|
#endif
|
|
return true;
|
|
}
|
|
|
|
#ifdef HAVE_AUBIO4
|
|
void
|
|
Onset::reset()
|
|
{
|
|
if (m_onsetdet) del_aubio_onset(m_onsetdet);
|
|
|
|
m_onsetdet = new_aubio_onset
|
|
(const_cast<char *>(getAubioNameForOnsetType(m_onsettype)),
|
|
m_blockSize,
|
|
m_stepSize,
|
|
lrintf(m_inputSampleRate));
|
|
|
|
aubio_onset_set_threshold(m_onsetdet, m_threshold);
|
|
aubio_onset_set_silence(m_onsetdet, m_silence);
|
|
aubio_onset_set_minioi(m_onsetdet, m_minioi);
|
|
|
|
m_delay = Vamp::RealTime::frame2RealTime(4 * m_stepSize,
|
|
lrintf(m_inputSampleRate));
|
|
|
|
m_lastOnset = Vamp::RealTime::zeroTime - m_delay - m_delay;
|
|
}
|
|
#endif
|
|
|
|
size_t
|
|
Onset::getPreferredStepSize() const
|
|
{
|
|
return 512;
|
|
}
|
|
|
|
size_t
|
|
Onset::getPreferredBlockSize() const
|
|
{
|
|
return 2 * getPreferredStepSize();
|
|
}
|
|
|
|
Onset::ParameterList
|
|
Onset::getParameterDescriptors() const
|
|
{
|
|
ParameterList list;
|
|
|
|
ParameterDescriptor desc;
|
|
desc.identifier = "onsettype";
|
|
desc.name = "Onset Detection Function Type";
|
|
desc.minValue = 0;
|
|
#ifdef HAVE_AUBIO4
|
|
desc.maxValue = 7;
|
|
desc.defaultValue = (int)OnsetComplex;
|
|
#else
|
|
desc.maxValue = 6;
|
|
desc.defaultValue = (int)aubio_onset_complex;
|
|
#endif
|
|
desc.isQuantized = true;
|
|
desc.quantizeStep = 1;
|
|
desc.valueNames.push_back("Energy Based");
|
|
desc.valueNames.push_back("Spectral Difference");
|
|
desc.valueNames.push_back("High-Frequency Content");
|
|
desc.valueNames.push_back("Complex Domain");
|
|
desc.valueNames.push_back("Phase Deviation");
|
|
desc.valueNames.push_back("Kullback-Liebler");
|
|
desc.valueNames.push_back("Modified Kullback-Liebler");
|
|
#ifdef HAVE_AUBIO4
|
|
desc.valueNames.push_back("Spectral Flux");
|
|
#endif
|
|
list.push_back(desc);
|
|
|
|
desc = ParameterDescriptor();
|
|
desc.identifier = "peakpickthreshold";
|
|
desc.name = "Peak Picker Threshold";
|
|
desc.minValue = 0;
|
|
desc.maxValue = 1;
|
|
desc.defaultValue = 0.3;
|
|
desc.isQuantized = false;
|
|
list.push_back(desc);
|
|
|
|
desc = ParameterDescriptor();
|
|
desc.identifier = "silencethreshold";
|
|
desc.name = "Silence Threshold";
|
|
desc.minValue = -120;
|
|
desc.maxValue = 0;
|
|
#ifdef HAVE_AUBIO4
|
|
desc.defaultValue = -70;
|
|
#else
|
|
desc.defaultValue = -90;
|
|
#endif
|
|
desc.unit = "dB";
|
|
desc.isQuantized = false;
|
|
list.push_back(desc);
|
|
|
|
#ifdef HAVE_AUBIO4
|
|
desc = ParameterDescriptor();
|
|
desc.identifier = "minioi";
|
|
desc.name = "Minimum Inter-Onset Interval";
|
|
desc.minValue = 0;
|
|
desc.maxValue = 40;
|
|
desc.defaultValue = 4;
|
|
desc.unit = "ms";
|
|
desc.isQuantized = true;
|
|
desc.quantizeStep = 1;
|
|
list.push_back(desc);
|
|
#endif
|
|
return list;
|
|
}
|
|
|
|
float
|
|
Onset::getParameter(std::string param) const
|
|
{
|
|
if (param == "onsettype") {
|
|
return m_onsettype;
|
|
} else if (param == "peakpickthreshold") {
|
|
return m_threshold;
|
|
} else if (param == "silencethreshold") {
|
|
return m_silence;
|
|
#ifdef HAVE_AUBIO4
|
|
} else if (param == "minioi") {
|
|
return m_minioi;
|
|
#endif
|
|
} else {
|
|
return 0.0;
|
|
}
|
|
}
|
|
|
|
void
|
|
Onset::setParameter(std::string param, float value)
|
|
{
|
|
if (param == "onsettype") {
|
|
switch (lrintf(value)) {
|
|
#ifdef HAVE_AUBIO4
|
|
case 0: m_onsettype = OnsetEnergy; break;
|
|
case 1: m_onsettype = OnsetSpecDiff; break;
|
|
case 2: m_onsettype = OnsetHFC; break;
|
|
case 3: m_onsettype = OnsetComplex; break;
|
|
case 4: m_onsettype = OnsetPhase; break;
|
|
case 5: m_onsettype = OnsetKL; break;
|
|
case 6: m_onsettype = OnsetMKL; break;
|
|
case 7: m_onsettype = OnsetSpecFlux; break;
|
|
#else
|
|
case 0: m_onsettype = aubio_onset_energy; break;
|
|
case 1: m_onsettype = aubio_onset_specdiff; break;
|
|
case 2: m_onsettype = aubio_onset_hfc; break;
|
|
case 3: m_onsettype = aubio_onset_complex; break;
|
|
case 4: m_onsettype = aubio_onset_phase; break;
|
|
case 5: m_onsettype = aubio_onset_kl; break;
|
|
case 6: m_onsettype = aubio_onset_mkl; break;
|
|
#endif
|
|
}
|
|
} else if (param == "peakpickthreshold") {
|
|
m_threshold = value;
|
|
} else if (param == "silencethreshold") {
|
|
m_silence = value;
|
|
#ifdef HAVE_AUBIO4
|
|
} else if (param == "minioi") {
|
|
m_minioi = value;
|
|
#endif
|
|
}
|
|
}
|
|
|
|
Onset::OutputList
|
|
Onset::getOutputDescriptors() const
|
|
{
|
|
OutputList list;
|
|
|
|
OutputDescriptor d;
|
|
d.identifier = "onsets";
|
|
d.name = "Onsets";
|
|
d.unit = "";
|
|
d.hasFixedBinCount = true;
|
|
d.binCount = 0;
|
|
d.sampleType = OutputDescriptor::VariableSampleRate;
|
|
d.sampleRate = 0;
|
|
list.push_back(d);
|
|
|
|
#ifndef HAVE_AUBIO4
|
|
d = OutputDescriptor();
|
|
d.identifier = "detectionfunction";
|
|
d.name = "Onset Detection Function";
|
|
d.unit = "";
|
|
d.hasFixedBinCount = true;
|
|
d.binCount = m_channelCount;
|
|
d.hasKnownExtents = false;
|
|
d.isQuantized = false;
|
|
d.sampleType = OutputDescriptor::OneSamplePerStep;
|
|
list.push_back(d);
|
|
#endif
|
|
return list;
|
|
}
|
|
|
|
Onset::FeatureSet
|
|
Onset::process(const float *const *inputBuffers,
|
|
Vamp::RealTime timestamp)
|
|
{
|
|
#ifdef HAVE_AUBIO4
|
|
for (size_t i = 0; i < m_stepSize; ++i) {
|
|
fvec_set_sample(m_ibuf, inputBuffers[0][i], i);
|
|
}
|
|
|
|
aubio_onset_do(m_onsetdet, m_ibuf, m_onset);
|
|
|
|
bool isonset = m_onset->data[0];
|
|
#else
|
|
for (size_t i = 0; i < m_stepSize; ++i) {
|
|
for (size_t j = 0; j < m_channelCount; ++j) {
|
|
fvec_write_sample(m_ibuf, inputBuffers[j][i], j, i);
|
|
}
|
|
}
|
|
|
|
aubio_pvoc_do(m_pv, m_ibuf, m_fftgrain);
|
|
aubio_onsetdetection(m_onsetdet, m_fftgrain, m_onset);
|
|
|
|
bool isonset = aubio_peakpick_pimrt(m_onset, m_peakpick);
|
|
|
|
if (isonset) {
|
|
if (aubio_silence_detection(m_ibuf, m_silence)) {
|
|
isonset = false;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
FeatureSet returnFeatures;
|
|
|
|
if (isonset) {
|
|
if (timestamp - m_lastOnset >= m_delay) {
|
|
Feature onsettime;
|
|
onsettime.hasTimestamp = true;
|
|
if (timestamp < m_delay) timestamp = m_delay;
|
|
onsettime.timestamp = timestamp - m_delay;
|
|
returnFeatures[0].push_back(onsettime);
|
|
m_lastOnset = timestamp;
|
|
}
|
|
}
|
|
#ifndef HAVE_AUBIO4
|
|
Feature feature;
|
|
for (size_t j = 0; j < m_channelCount; ++j) {
|
|
feature.values.push_back(m_onset->data[j][0]);
|
|
}
|
|
returnFeatures[1].push_back(feature);
|
|
#endif
|
|
|
|
return returnFeatures;
|
|
}
|
|
|
|
Onset::FeatureSet
|
|
Onset::getRemainingFeatures()
|
|
{
|
|
return FeatureSet();
|
|
}
|
|
|