#include #include "i18n.h" using namespace Vamp; using namespace ARDOUR; using namespace std; /* need a static initializer function for this */ string OnsetDetector::_op_id = X_("libardourvampplugins:aubioonset:2"); OnsetDetector::OnsetDetector (float sr) : AudioAnalyser (sr, X_("libardourvampplugins:aubioonset")) { /* update the op_id */ _op_id = X_("libardourvampplugins:aubioonset"); // XXX this should load the above-named plugin and get the current version _op_id += ":2"; } OnsetDetector::~OnsetDetector() { } string OnsetDetector::operational_identifier() { return _op_id; } int OnsetDetector::run (const std::string& path, Readable* src, uint32_t channel, AnalysisFeatureList& results) { current_results = &results; int ret = analyse (path, src, channel); current_results = 0; return ret; } int OnsetDetector::use_features (Plugin::FeatureSet& features, ostream* out) { const Plugin::FeatureList& fl (features[0]); for (Plugin::FeatureList::const_iterator f = fl.begin(); f != fl.end(); ++f) { if ((*f).hasTimestamp) { if (out) { (*out) << (*f).timestamp.toString() << endl; } current_results->push_back (RealTime::realTime2Frame ((*f).timestamp, (nframes_t) floor(sample_rate))); } } return 0; } void OnsetDetector::set_silence_threshold (float val) { if (plugin) { plugin->setParameter ("silencethreshold", val); } } void OnsetDetector::set_peak_threshold (float val) { if (plugin) { plugin->setParameter ("peakpickthreshold", val); } } void OnsetDetector::set_function (int val) { if (plugin) { plugin->setParameter ("onsettype", (float) val); } } void OnsetDetector::cleanup_onsets (AnalysisFeatureList& t, float sr, float gap_msecs) { if (t.empty()) { return; } t.sort (); /* remove duplicates or other things that are too close */ AnalysisFeatureList::iterator i = t.begin(); AnalysisFeatureList::iterator f, b; const nframes64_t gap_frames = (nframes64_t) floor (gap_msecs * (sr / 1000.0)); while (i != t.end()) { // move front iterator to just past i, and back iterator the same place f = i; ++f; b = f; // move f until we find a new value that is far enough away while ((f != t.end()) && (((*f) - (*i)) < gap_frames)) { ++f; } i = f; // if f moved forward from b, we had duplicates/too-close points: get rid of them if (b != f) { t.erase (b, f); } } }