Initial community commit

Src/external_dependencies/openmpt-trunk/soundlib/plugins/dmo/DMOUtils.h

@@ -0,0 +1,26 @@
+/*
+ * DMOUtils.h
+ * ----------
+ * Purpose: Utility functions shared by DMO plugins
+ * Notes  : none
+ * Authors: OpenMPT Devs
+ * The OpenMPT source code is released under the BSD license. Read LICENSE for more details.
+ */
+
+
+OPENMPT_NAMESPACE_BEGIN
+
+#ifndef NO_PLUGINS
+
+namespace DMO
+{
+
+// Computes (log2(x) + 1) * 2 ^ (shiftL - shiftR) (x = -2^31...2^31)
+float logGain(float x, int32 shiftL, int32 shiftR);
+
+}
+
+#endif // !NO_PLUGINS
+
+OPENMPT_NAMESPACE_END
+