1 files changed, 56 insertions, 0 deletions
diff --git a/libs/ardour/ardour/silentsource.h b/libs/ardour/ardour/silentsource.h
new file mode 100644
index 0000000000..0079e5f103
--- /dev/null
+++ b/libs/ardour/ardour/silentsource.h
@@ -0,0 +1,56 @@
+/*
+    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.
+
+    $Id$
+*/
+
+#ifndef __playlist_const_buffer_h__ 
+#define __playlist_const_buffer_h__
+
+#include <string>
+#include <cstdlib>
+
+#include "source.h"
+
+namespace ARDOUR {
+
+class SilentSource : public Source {
+  public:
+	SilentSource () {
+		_name = "Silent Source";
+	}
+	
+	static bool is_silent_source (const string& name) {
+		return name == "Silent Source";
+	}
+	
+	jack_nframes_t length() { return ~0U; }
+
+	jack_nframes_t read (Source::Data *dst, jack_nframes_t start, jack_nframes_t cnt) {
+		jack_nframes_t n = cnt;
+		while (n--) *dst++ = 0;
+		return cnt;
+	}
+
+	void peak (guint8 *max, guint8 *min, jack_nframes_t start, jack_nframes_t cnt) {
+		*max = *min = 0;
+	}
+};
+
+}
+
+#endif /* __playlist_const_buffer_h__ */