use SilentFileSource when sources cannot be found

git-svn-id: svn://localhost/ardour2/trunk@1424 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 39 insertions, 0 deletions

diff --git a/libs/ardour/silentfilesource.cc b/libs/ardour/silentfilesource.cc
new file mode 100644
index 0000000000..b34944e342
--- /dev/null
+++ b/libs/ardour/silentfilesource.cc
@@ -0,0 +1,39 @@
+/*
+    Copyright (C) 2007 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.
+
+*/
+
+#include <ardour/silentfilesource.h>
+
+using namespace ARDOUR;
+
+SilentFileSource::SilentFileSource (Session& s, const XMLNode& node, nframes_t len, float sr)
+	: AudioFileSource (s, node, false)
+{
+	_length = len;
+	_sample_rate = sr;
+}
+
+SilentFileSource::~SilentFileSource ()
+{
+}
+
+void
+SilentFileSource::set_length (nframes_t len)
+{
+	_length = len;
+}