fix aubio-onset detection parameters

libs/ardour/ardour/onset_detector.h

@@ -37,6 +37,7 @@ public:
 
 	void set_silence_threshold (float);
 	void set_peak_threshold (float);
+	void set_minioi (float);
 	void set_function (int);
 
 	int run (const std::string& path, Readable*, uint32_t channel, AnalysisFeatureList& results);

libs/ardour/onset_detector.cc

@@ -92,6 +92,16 @@ OnsetDetector::set_peak_threshold (float val)
 	}
 }
 
+void
+OnsetDetector::set_minioi (float val)
+{
+#ifdef HAVE_AUBIO4
+	if (plugin) {
+		plugin->setParameter ("minioi", val);
+	}
+#endif
+}
+
 void
 OnsetDetector::set_function (int val)
 {

libs/vamp-plugins/Onset.cpp

@@ -166,6 +166,12 @@ Onset::reset()
                                              lrintf(m_inputSampleRate));
 
     m_lastOnset = Vamp::RealTime::zeroTime - m_delay - m_delay;
+#else
+    if (m_onsetdet) aubio_onsetdetection_free(m_onsetdet);
+    if (m_peakpick) del_aubio_peakpicker(m_peakpick);
+
+    m_peakpick = new_aubio_peakpicker(m_threshold);
+    m_onsetdet = new_aubio_onsetdetection(m_onsettype, m_blockSize, m_channelCount);
 #endif
 }