Constant-Q Library
vamp/CQChromaVamp.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 CQCHROMAVAMP_H
00033 #define CQCHROMAVAMP_H
00034 
00035 #include <vamp-sdk/Plugin.h>
00036 
00037 class CQSpectrogram;
00038 
00039 class CQChromaVamp : public Vamp::Plugin
00040 {
00041 public:
00042     CQChromaVamp(float inputSampleRate);
00043     virtual ~CQChromaVamp();
00044 
00045     bool initialise(size_t channels, size_t stepSize, size_t blockSize);
00046     void reset();
00047 
00048     InputDomain getInputDomain() const { return TimeDomain; }
00049 
00050     std::string getIdentifier() const;
00051     std::string getName() const;
00052     std::string getDescription() const;
00053     std::string getMaker() const;
00054     int getPluginVersion() const;
00055     std::string getCopyright() const;
00056 
00057     ParameterList getParameterDescriptors() const;
00058     float getParameter(std::string) const;
00059     void setParameter(std::string, float);
00060 
00061     size_t getPreferredStepSize() const;
00062     size_t getPreferredBlockSize() const;
00063 
00064     OutputList getOutputDescriptors() const;
00065 
00066     FeatureSet process(const float *const *inputBuffers,
00067                        Vamp::RealTime timestamp);
00068 
00069     FeatureSet getRemainingFeatures();
00070 
00071 protected:
00072     int m_lowestOctave;
00073     int m_octaveCount;
00074     float m_tuningFrequency;
00075     int m_bpo;
00076 
00077     CQSpectrogram *m_cq;
00078     float m_maxFrequency;
00079     float m_minFrequency;
00080     int m_stepSize;
00081     int m_blockSize;
00082 
00083     Vamp::RealTime m_startTime;
00084     bool m_haveStartTime;
00085     int m_columnCount;
00086 
00087     FeatureSet convertToFeatures(const std::vector<std::vector<double> > &);
00088 };
00089 
00090 
00091 #endif
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