comparison plugins/ConstantQSpectrogram.h @ 9:507f923a93e8

* Add Constant-Q Spectrogram plugin

+/* -*- 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.
+*/
+
+#ifndef _CONSTANT_Q_SPECTROGRAM_PLUGIN_H_
+#define _CONSTANT_Q_SPECTROGRAM_PLUGIN_H_
+
+#include <vamp-sdk/Plugin.h>
+#include <dsp/chromagram/ConstantQ.h>
+
+#include <queue>
+
+class ConstantQSpectrogram : public Vamp::Plugin
+{
+public:
+    ConstantQSpectrogram(float inputSampleRate);
+    virtual ~ConstantQSpectrogram();
+
+    bool initialise(size_t channels, size_t stepSize, size_t blockSize);
+    void reset();
+
+    InputDomain getInputDomain() const { return FrequencyDomain; }
+
+    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;
+    int m_bins;
+
+    void setupConfig();
+
+    CQConfig m_config;
+    ConstantQ *m_cq;
+    mutable size_t m_step;
+    mutable size_t m_block;
+
+    Feature normalize(const Feature &);
+};
+
+
+#endif