diff songparts/plugins/TonalChangeDetect.h @ 1:f44aa6d29642

Plugin Code - The main file is songparts.cpp

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/songparts/plugins/TonalChangeDetect.h	Wed Apr 11 09:31:28 2012 +0100
@@ -0,0 +1,84 @@
+/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
+
+/*
+    QM Vamp Plugin Set
+
+    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.
+*/
+
+#ifndef _TONALCHANGEDETECT_
+#define _TONALCHANGEDETECT_
+
+#include <vamp-sdk/Plugin.h>
+
+#include <dsp/chromagram/Chromagram.h>
+#include <dsp/tonal/TonalEstimator.h>
+#include <dsp/tonal/TCSgram.h>
+
+#include <queue>
+#include <vector>
+#include <valarray>
+
+class TonalChangeDetect : public Vamp::Plugin
+{
+public:
+	TonalChangeDetect(float fInputSampleRate);
+	virtual ~TonalChangeDetect();
+
+    bool initialise(size_t channels, size_t stepSize, size_t blockSize);
+    void reset();
+
+    InputDomain getInputDomain() const { return TimeDomain; }
+
+    std::string getIdentifier() const;
+    std::string getName() const;
+    std::string getDescription() const;
+    std::string getMaker() const;
+    int getPluginVersion() const;
+    std::string getCopyright() const;
+
+    ParameterList getParameterDescriptors() const;
+    float getParameter(std::string) const;
+    void setParameter(std::string, float);
+
+
+    size_t getPreferredStepSize() const;
+    size_t getPreferredBlockSize() const;
+
+    OutputList getOutputDescriptors() const;
+
+    FeatureSet process(const float *const *inputBuffers,
+                       Vamp::RealTime timestamp);
+
+    FeatureSet getRemainingFeatures();
+	
+private:
+    void setupConfig();
+
+    ChromaConfig m_config;
+    Chromagram *m_chromagram;
+    TonalEstimator m_TonalEstimator;
+    mutable size_t m_step;
+    mutable size_t m_block;
+    size_t m_stepDelay;
+    std::queue<ChromaVector> m_pending;
+    ChromaVector m_vaCurrentVector;
+    TCSGram m_TCSGram;
+	
+    int m_iSmoothingWidth;  // smoothing window size
+    int m_minMIDIPitch;     // chromagram parameters
+    int m_maxMIDIPitch;
+    float m_tuningFrequency;
+
+    Vamp::RealTime m_origin;
+    bool m_haveOrigin;
+};
+
+
+#endif // _TONALCHANGEDETECT_