From fef594c82518a8fe4c96794852c1fc849c0ed3b3 Mon Sep 17 00:00:00 2001
From: Roland Stigge <stigge@antcom.de>
Date: Sun, 17 Feb 2019 12:55:13 +0100
Subject: Added tunerdemo

---
 tuner.h | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 tuner.h

(limited to 'tuner.h')

diff --git a/tuner.h b/tuner.h
new file mode 100644
index 0000000..df17c0f
--- /dev/null
+++ b/tuner.h
@@ -0,0 +1,28 @@
+#pragma once
+
+#include <complex>
+#include <memory>
+#include <string>
+#include <vector>
+
+namespace RIT {
+
+struct Pitch {
+	double f{}; // in Hz
+	double deviation{}; // 0.0 == perfect, +/-1.0: at next note
+	std::string name; // "" for none, "A", "A#", ... for notes
+};
+
+class Tuner {
+public:
+	Tuner(int size, int f_sample);
+	~Tuner();
+
+	Pitch operator() (const std::vector<std::complex<double>> &v);
+
+private:
+	struct Impl;
+	std::unique_ptr<Impl> mImpl;
+}; // class Tuner
+
+} // namespace RIT
-- 
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