1 files changed, 43 insertions, 0 deletions
diff --git a/libs/ardour/ardour/gain.h b/libs/ardour/ardour/gain.h
new file mode 100644
index 0000000000..e57cfdc0d7
--- /dev/null
+++ b/libs/ardour/ardour/gain.h
@@ -0,0 +1,43 @@
+/*
+    Copyright (C) 2000 Paul Davis 
+
+    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.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#ifndef __ardour_gain_h__
+#define __ardour_gain_h__
+
+#include "ardour.h"
+#include "curve.h"
+
+namespace ARDOUR {
+
+struct Gain : public AutomationList {
+
+    Gain();
+    Gain (const Gain&);
+    Gain& operator= (const Gain&);
+
+    static void fill_linear_fade_in (Gain& curve, nframes_t frames);
+    static void fill_linear_volume_fade_in (Gain& curve, nframes_t frames);
+    static void fill_linear_fade_out (Gain& curve, nframes_t frames);
+    static void fill_linear_volume_fade_out (Gain& curve, nframes_t frames);
+
+};
+
+} /* namespace ARDOUR */
+
+#endif /* __ardour_gain_h__ */