diff plugins/AdaptiveSpectrogram.h @ 92:3602e755b696

* Add the Adaptive Spectrogram plugin -- but it isn't working correctly
  yet.  Also, when it does work, it will need to be refactored out into
  the qm-dsp library

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/plugins/AdaptiveSpectrogram.h	Fri Feb 27 10:45:10 2009 +0000
@@ -0,0 +1,78 @@
+/* -*- 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 _ADAPTIVE_SPECTROGRAM_H_
+#define _ADAPTIVE_SPECTROGRAM_H_
+
+#include <vamp-sdk/Plugin.h>
+#include <cmath>
+#include <vector>
+
+class AdaptiveSpectrogram : public Vamp::Plugin
+{
+public:
+    AdaptiveSpectrogram(float inputSampleRate);
+    virtual ~AdaptiveSpectrogram();
+
+    bool initialise(size_t channels, size_t stepSize, size_t blockSize);
+    void reset();
+
+    InputDomain getInputDomain() const { return TimeDomain; }
+
+    std::string getIdentifier() const;
+    std::string getName() const;
+    std::string getDescription() const;
+    std::string getMaker() const;
+    int getPluginVersion() const;
+    std::string getCopyright() const;
+
+    size_t getPreferredStepSize() const;
+    size_t getPreferredBlockSize() const;
+
+    ParameterList getParameterDescriptors() const;
+    float getParameter(std::string id) const;
+    void setParameter(std::string id, float value);
+
+    OutputList getOutputDescriptors() const;
+
+    FeatureSet process(const float *const *inputBuffers,
+                       Vamp::RealTime timestamp);
+
+    FeatureSet getRemainingFeatures();
+
+protected:
+    int m_w;
+    int m_n;
+
+    inline double xlogx(double x) {
+        if (x == 0.0) return 0.0;
+        else return x * log(x);
+    }
+
+    void unpackResultMatrix(std::vector<std::vector<float> > &rmat,
+                            int x, int y, int w, int h,
+                            int *spl,
+                            double *spec, int specsz, int res);
+
+    double DoCutSpectrogramBlock2(int* spl, double*** Specs, int Y, int R0,
+                                  int x0, int Y0, int N, double& ene);
+
+    double DoMixSpectrogramBlock2(int* spl, double* Spec, double*** Specs,
+                                  int Y, int R0, int x0, int Y0,
+                                  bool normmix, int res, double* e);
+
+    double MixSpectrogramBlock2(int* spl, double* Spec, double*** Specs,
+                                int WID, int wid, bool normmix);
+
+    double MixSpectrogram2(int** spl, double** Spec, double*** Specs, int Fr,
+                           int WID, int wid, bool norm, bool normmix);
+};
+
+
+#endif