comparison plugins/ChromagramPlugin.h @ 0:3f318eae66a2

* Queen Mary plugin collection for the Vamp plugin API

+/* -*- 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.
+    All rights reserved.
+*/
+
+//!!! This guard inadequate, must be unique to plugin if plugin is to
+//be compilable in with app as well as being, well, a plugin
+#ifndef _CHROMAGRAM_PLUGIN_H_
+#define _CHROMAGRAM_PLUGIN_H_
+
+#include "vamp-sdk/Plugin.h"
+#include "dsp/chromagram/Chromagram.h"
+
+#include <queue>
+
+class ChromagramPlugin : public Vamp::Plugin
+{
+public:
+    ChromagramPlugin(float inputSampleRate);
+    virtual ~ChromagramPlugin();
+
+    bool initialise(size_t channels, size_t stepSize, size_t blockSize);
+    void reset();
+
+    InputDomain getInputDomain() const { return TimeDomain; }
+
+    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(float **inputBuffers, Vamp::RealTime timestamp);
+
+    FeatureSet getRemainingFeatures();
+
+protected:
+    int m_minMIDIPitch;
+    int m_maxMIDIPitch;
+    float m_tuningFrequency;
+    bool m_normalized;
+    int m_bpo;
+
+    void setupConfig();
+
+    ChromaConfig m_config;
+    Chromagram *m_chromagram;
+    mutable size_t m_step;
+    mutable size_t m_block;
+    size_t m_stepDelay;
+    std::queue<Feature> m_pending;
+
+    Feature normalize(const Feature &);
+};
+
+
+#endif