add QM onset detector VAMP plugin

git-svn-id: svn://localhost/ardour2/branches/3.0@9049 d708f5d6-7413-0410-9779-e7cbd77b26cf

libs/vamp-plugins/OnsetDetect.h

@@ -0,0 +1,68 @@
+/* -*- 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 _ONSET_DETECT_PLUGIN_H_
+#define _ONSET_DETECT_PLUGIN_H_
+
+#include "vamp-sdk/Plugin.h"
+
+class OnsetDetectorData;
+
+class OnsetDetector : public Vamp::Plugin
+{
+public:
+    OnsetDetector(float inputSampleRate);
+    virtual ~OnsetDetector();
+
+    bool initialise(size_t channels, size_t stepSize, size_t blockSize);
+    void reset();
+
+    InputDomain getInputDomain() const { return FrequencyDomain; }
+
+    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);
+
+    ProgramList getPrograms() const;
+    std::string getCurrentProgram() const;
+    void selectProgram(std::string program);
+
+    size_t getPreferredStepSize() const;
+    size_t getPreferredBlockSize() const;
+
+    OutputList getOutputDescriptors() const;
+
+    FeatureSet process(const float *const *inputBuffers,
+                       Vamp::RealTime timestamp);
+
+    FeatureSet getRemainingFeatures();
+
+protected:
+    OnsetDetectorData *m_d;
+    int m_dfType;
+    float m_sensitivity;
+    bool m_whiten;
+    std::string m_program;
+    static float m_preferredStepSecs;
+};
+
+
+#endif