comparison YinUtil.h @ 0:99bac62ee2da

added PYIN sources, should be compileable

+/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
+/*
+    This file is Copyright (c) 2012 Chris Cannam
+  
+    Permission is hereby granted, free of charge, to any person
+    obtaining a copy of this software and associated documentation
+    files (the "Software"), to deal in the Software without
+    restriction, including without limitation the rights to use, copy,
+    modify, merge, publish, distribute, sublicense, and/or sell copies
+    of the Software, and to permit persons to whom the Software is
+    furnished to do so, subject to the following conditions:
+
+    The above copyright notice and this permission notice shall be
+    included in all copies or substantial portions of the Software.
+
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+    EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+    NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
+    ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
+    CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+    WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#ifndef _YINUTIL_H_
+#define _YINUTIL_H_
+
+#include "vamp-sdk/FFT.h"
+#include "MeanFilter.h"
+
+#include <cmath>
+
+#include <iostream>
+#include <vector>
+#include <exception>
+
+using std::vector;
+
+class YinUtil
+{
+public:
+    static double sumSquare(const double *in, const size_t startInd, const size_t endInd);
+    static void difference(const double *in, double *yinBuffer, const size_t yinBufferSize);
+    static void fastDifference(const double *in, double *yinBuffer, const size_t yinBufferSize);
+    static void cumulativeDifference(double *yinBuffer, const size_t yinBufferSize);
+    static int absoluteThreshold(const double *yinBuffer, const size_t yinBufferSize, const double thresh);
+    static vector<double> yinProb(const double *yinBuffer, const size_t prior, const size_t yinBufferSize);
+    static double parabolicInterpolation(const double *yinBuffer, const size_t tau,
+                                         const size_t yinBufferSize);
+};
+
+#endif