BPM detect

1 files changed, 27 insertions, 0 deletions

diff --git a/BPMDetect.h b/BPMDetect.h
new file mode 100644
index 0000000..7cd926e
--- /dev/null
+++ b/BPMDetect.h
@@ -0,0 +1,27 @@
+#pragma once
+
+#include <boost/signals2.hpp>
+
+#include <chrono>
+#include <deque>
+
+class BPMDetect
+{
+public:
+  BPMDetect(int divider);
+  void receive_event();
+
+  // signal
+  boost::signals2::signal<void(int)> signal_bpm;
+
+private:
+  using clock_type = std::chrono::high_resolution_clock;
+  using time_point = std::chrono::time_point<clock_type>;
+
+  const int m_divider;
+
+  int m_count;
+
+  std::deque<time_point> m_timestamps;
+};
+