Mercurial > hg > qm-vamp-plugins
diff plugins/ConstantQSpectrogram.h @ 9:507f923a93e8
* Add Constant-Q Spectrogram plugin
author | Chris Cannam <c.cannam@qmul.ac.uk> |
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date | Mon, 15 May 2006 19:56:21 +0000 |
parents | |
children | 99dadc93042e |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/plugins/ConstantQSpectrogram.h Mon May 15 19:56:21 2006 +0000 @@ -0,0 +1,67 @@ +/* -*- 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