Tempo::Tempo(float inputSampleRate) :
Plugin(inputSampleRate),
m_ibuf(0),
- m_fftgrain(0),
- m_onset(0),
- m_pv(0),
- m_peakpick(0),
- m_onsetdet(0),
- m_onsettype(aubio_onset_specdiff),
- m_beattracking(0),
- m_dfframe(0),
- m_btout(0),
- m_btcounter(0),
+ m_beat(0),
+ m_bpm(0),
+ m_onsettype(OnsetComplex),
+ m_tempo(0),
m_threshold(0.3),
- m_silence(-90),
- m_channelCount(1)
+ m_silence(-70)
{
}
Tempo::~Tempo()
{
- if (m_onsetdet) aubio_onsetdetection_free(m_onsetdet);
if (m_ibuf) del_fvec(m_ibuf);
- if (m_onset) del_fvec(m_onset);
- if (m_fftgrain) del_cvec(m_fftgrain);
- if (m_pv) del_aubio_pvoc(m_pv);
- if (m_peakpick) del_aubio_peakpicker(m_peakpick);
- if (m_beattracking) del_aubio_beattracking(m_beattracking);
- if (m_dfframe) del_fvec(m_dfframe);
- if (m_btout) del_fvec(m_btout);
+ if (m_beat) del_fvec(m_beat);
+ if (m_tempo) del_aubio_tempo(m_tempo);
}
string
-Tempo::getName() const
+Tempo::getIdentifier() const
{
return "aubiotempo";
}
string
+Tempo::getName() const
+{
+ return "Aubio Beat Tracker";
+}
+
+string
Tempo::getDescription() const
{
- return "Aubio Tempo Detector";
+ return "Estimate the musical tempo and track beat positions";
}
string
Tempo::getMaker() const
{
- return "Paul Brossier (plugin by Chris Cannam)";
+ return "Paul Brossier (method by Matthew Davies, plugin by Chris Cannam)";
}
int
Tempo::getPluginVersion() const
{
- return 1;
+ return 2;
}
string
bool
Tempo::initialise(size_t channels, size_t stepSize, size_t blockSize)
{
- m_channelCount = channels;
+ if (channels != 1) {
+ std::cerr << "Tempo::initialise: channels must be 1" << std::endl;
+ return false;
+ }
+
m_stepSize = stepSize;
m_blockSize = blockSize;
- 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_ibuf = new_fvec(stepSize);
+ m_beat = new_fvec(2);
m_delay = Vamp::RealTime::frame2RealTime(3 * stepSize,
lrintf(m_inputSampleRate));
- m_lastBeat = Vamp::RealTime::zeroTime - m_delay - m_delay;
-
- m_winlen = 512*512/stepSize;
- m_dfframe = new_fvec(m_winlen,channels);
- m_btstep = m_winlen/4;
- m_btout = new_fvec(m_btstep,channels);
- m_beattracking = new_aubio_beattracking(m_winlen,channels);
+ reset();
return true;
}
void
Tempo::reset()
{
+ if (m_tempo) del_aubio_tempo(m_tempo);
+
+ m_lastBeat = Vamp::RealTime::zeroTime - m_delay - m_delay;
+
+ m_tempo = new_aubio_tempo
+ (const_cast<char *>(getAubioNameForOnsetType(m_onsettype)),
+ m_blockSize,
+ m_stepSize,
+ lrintf(m_inputSampleRate));
+
+ aubio_tempo_set_silence(m_tempo, m_silence);
+ aubio_tempo_set_threshold(m_tempo, m_threshold);
}
size_t
ParameterList list;
ParameterDescriptor desc;
- desc.name = "onsettype";
- desc.description = "Onset Detection Function Type";
+ desc.identifier = "onsettype";
+ desc.name = "Onset Detection Function Type";
+ desc.description = "Type of onset detection function to use";
desc.minValue = 0;
- desc.maxValue = 6;
- desc.defaultValue = (int)aubio_onset_complex;
+ desc.maxValue = 7;
+ desc.defaultValue = (int)OnsetComplex;
desc.isQuantized = true;
desc.quantizeStep = 1;
desc.valueNames.push_back("Energy Based");
desc.valueNames.push_back("Phase Deviation");
desc.valueNames.push_back("Kullback-Liebler");
desc.valueNames.push_back("Modified Kullback-Liebler");
+ desc.valueNames.push_back("Spectral Flux");
list.push_back(desc);
desc = ParameterDescriptor();
- desc.name = "peakpickthreshold";
- desc.description = "Peak Picker Threshold";
+ desc.identifier = "peakpickthreshold";
+ desc.name = "Peak Picker Threshold";
+ desc.description = "Peak picking threshold, the higher the least detection";
desc.minValue = 0;
desc.maxValue = 1;
desc.defaultValue = 0.3;
list.push_back(desc);
desc = ParameterDescriptor();
- desc.name = "silencethreshold";
- desc.description = "Silence Threshold";
+ desc.identifier = "silencethreshold";
+ desc.name = "Silence Threshold";
+ desc.description = "Silence threshold, the higher the least detection";
desc.minValue = -120;
desc.maxValue = 0;
- desc.defaultValue = -90;
+ desc.defaultValue = -70;
desc.unit = "dB";
desc.isQuantized = false;
list.push_back(desc);
{
if (param == "onsettype") {
switch (lrintf(value)) {
- 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;
+ 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 if (param == "peakpickthreshold") {
m_threshold = value;
OutputList list;
OutputDescriptor d;
- d.name = "beats";
+ d.identifier = "beats";
+ d.name = "Beats";
+ d.description = "List of times at which a beat was detected";
d.unit = "";
- d.description = "Beats";
d.hasFixedBinCount = true;
d.binCount = 0;
d.sampleType = OutputDescriptor::VariableSampleRate;
d.sampleRate = 0;
list.push_back(d);
+ d.identifier = "tempo";
+ d.name = "Tempo";
+ d.desc = "Overall estimated tempo";
+ d.unit = "bpm";
+ d.hasFixedBinCount = true;
+ d.binCount = 1;
+ d.hasKnownExtents = false;
+ d.isQuantized = false;
+ d.sampleType = OutputDescriptor::OneSamplePerStep;
+ list.push_back(d);
+
return list;
}
Tempo::FeatureSet
-Tempo::process(float **inputBuffers, Vamp::RealTime timestamp)
+Tempo::process(const float *const *inputBuffers, Vamp::RealTime timestamp)
{
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);
- }
+ fvec_set_sample(m_ibuf, inputBuffers[0][i], i);
}
- aubio_pvoc_do(m_pv, m_ibuf, m_fftgrain);
- aubio_onsetdetection(m_onsetdet, m_fftgrain, m_onset);
-
- if ( m_btcounter == m_btstep - 1 ) {
- aubio_beattracking_do(m_beattracking,m_dfframe,m_btout);
- /* rotate dfframe */
- for (size_t i = 0 ; i < m_winlen - m_btstep; i++ )
- m_dfframe->data[0][i] = m_dfframe->data[0][i+m_btstep];
- for (size_t i = m_winlen - m_btstep ; i < m_winlen; i++ )
- m_dfframe->data[0][i] = 0.;
-
- m_btcounter = -1;
- }
- m_btcounter++;
- bool isonset = aubio_peakpick_pimrt_wt( m_onset, m_peakpick,
- &(m_dfframe->data[0][m_winlen - m_btstep + m_btcounter]));
- bool istactus = 0;
-
-
- /* check if any of the predicted beat correspond to the current time */
- for (size_t i = 1; i < m_btout->data[0][0]; i++ ) {
- if (m_btcounter == m_btout->data[0][i]) {
- if (aubio_silence_detection(m_ibuf, m_silence)) {
- isonset = false;
- istactus = false;
- } else {
- istactus = true;
- }
- }
- }
+ aubio_tempo_do(m_tempo, m_ibuf, m_beat);
+
+ bool istactus = m_beat->data[0];
+
+ m_bpm = aubio_tempo_get_bpm(m_tempo);
FeatureSet returnFeatures;
}
}
+ if (m_bpm >= 30 && m_bpm <= 206) {
+ Feature tempo;
+ tempo.hasTimestamp = false;
+ tempo.values.push_back(m_bpm);
+ returnFeatures[1].push_back(tempo);
+ }
+
return returnFeatures;
}
projects / vamp-aubio-plugins.git / blobdiff