Constant-Q Library
vamp/CQVamp.h
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00001 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
00002 /*
00003     Constant-Q library
00004     Copyright (c) 2013-2014 Queen Mary, University of London
00005 
00006     Permission is hereby granted, free of charge, to any person
00007     obtaining a copy of this software and associated documentation
00008     files (the "Software"), to deal in the Software without
00009     restriction, including without limitation the rights to use, copy,
00010     modify, merge, publish, distribute, sublicense, and/or sell copies
00011     of the Software, and to permit persons to whom the Software is
00012     furnished to do so, subject to the following conditions:
00013 
00014     The above copyright notice and this permission notice shall be
00015     included in all copies or substantial portions of the Software.
00016 
00017     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
00018     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
00019     MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
00020     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
00021     CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
00022     CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
00023     WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
00024 
00025     Except as contained in this notice, the names of the Centre for
00026     Digital Music; Queen Mary, University of London; and Chris Cannam
00027     shall not be used in advertising or otherwise to promote the sale,
00028     use or other dealings in this Software without prior written
00029     authorization.
00030 */
00031 
00032 #ifndef CQVAMP_H
00033 #define CQVAMP_H
00034 
00035 #include <vamp-sdk/Plugin.h>
00036 
00037 #include "cq/CQSpectrogram.h"
00038 
00039 class ConstantQ;
00040 
00041 class CQVamp : public Vamp::Plugin
00042 {
00043 public:
00044     CQVamp(float inputSampleRate, bool midiPitchParameters);
00045     virtual ~CQVamp();
00046 
00047     bool initialise(size_t channels, size_t stepSize, size_t blockSize);
00048     void reset();
00049 
00050     InputDomain getInputDomain() const { return TimeDomain; }
00051 
00052     std::string getIdentifier() const;
00053     std::string getName() const;
00054     std::string getDescription() const;
00055     std::string getMaker() const;
00056     int getPluginVersion() const;
00057     std::string getCopyright() const;
00058 
00059     ParameterList getParameterDescriptors() const;
00060     float getParameter(std::string) const;
00061     void setParameter(std::string, float);
00062 
00063     size_t getPreferredStepSize() const;
00064     size_t getPreferredBlockSize() const;
00065 
00066     OutputList getOutputDescriptors() const;
00067 
00068     FeatureSet process(const float *const *inputBuffers,
00069                        Vamp::RealTime timestamp);
00070 
00071     FeatureSet getRemainingFeatures();
00072 
00073 protected:
00074     bool m_midiPitchParameters;
00075     int m_minMIDIPitch;
00076     int m_maxMIDIPitch;
00077     float m_tuningFrequency;
00078     int m_bpo;
00079     CQSpectrogram::Interpolation m_interpolation;
00080 
00081     CQSpectrogram *m_cq;
00082     float m_maxFrequency;
00083     float m_minFrequency;
00084     int m_stepSize;
00085     int m_blockSize;
00086 
00087     Vamp::RealTime m_startTime;
00088     bool m_haveStartTime;
00089     int m_columnCount;
00090 
00091     std::string noteName(int i) const;
00092 
00093     std::vector<float> m_prevFeature;
00094     FeatureSet convertToFeatures(const std::vector<std::vector<double> > &);
00095 };
00096 
00097 
00098 #endif
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