1 files changed, 31 insertions, 0 deletions
diff --git a/libs/qm-dsp/base/Pitch.h b/libs/qm-dsp/base/Pitch.h
new file mode 100644
index 0000000000..7b1d6c96aa
--- /dev/null
+++ b/libs/qm-dsp/base/Pitch.h
@@ -0,0 +1,31 @@
+/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
+
+/*
+    QM DSP library
+    Centre for Digital Music, Queen Mary, University of London.
+    This file Copyright 2006 Chris Cannam.
+
+    This program is free software; you can redistribute it and/or
+    modify it under the terms of the GNU General Public License as
+    published by the Free Software Foundation; either version 2 of the
+    License, or (at your option) any later version.  See the file
+    COPYING included with this distribution for more information.
+*/
+
+#ifndef _PITCH_H_
+#define _PITCH_H_
+
+class Pitch
+{
+public:
+    static float getFrequencyForPitch(int midiPitch,
+				      float centsOffset = 0,
+				      float concertA = 440.0);
+
+    static int getPitchForFrequency(float frequency,
+				    float *centsOffsetReturn = 0,
+				    float concertA = 440.0);
+};
+
+
+#endif