1 files changed, 92 insertions, 0 deletions
diff --git a/libs/pbd/sndfile_manager.cc b/libs/pbd/sndfile_manager.cc
new file mode 100644
index 0000000000..5637de26ee
--- /dev/null
+++ b/libs/pbd/sndfile_manager.cc
@@ -0,0 +1,92 @@
+/*
+    Copyright (C) 2010 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 <sys/time.h>
+#include <sys/resource.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <cassert>
+#include <iostream>
+#include "pbd/compose.h"
+#include "pbd/sndfile_manager.h"
+#include "pbd/debug.h"
+
+using namespace std;
+using namespace PBD;
+
+/** @param n Filename.
+ *  @param w true to open writeable, otherwise false.
+ *  @param i SF_INFO for the file.
+ */
+
+SndFileDescriptor::SndFileDescriptor (string const & n, bool w, SF_INFO* i)
+	: FileDescriptor (n, w)
+	, _sndfile (0)
+	, _info (i)
+{
+	manager()->add (this);
+}
+
+SndFileDescriptor::~SndFileDescriptor ()
+{
+	manager()->remove (this);
+}
+
+/** @return SNDFILE*, or 0 on error */
+SNDFILE*
+SndFileDescriptor::allocate ()
+{
+	bool const f = manager()->allocate (this);
+	if (f) {
+		return 0;
+	}
+
+	/* this is ok thread-wise because allocate () has incremented
+	   the Descriptor's refcount, so the file will not be closed
+	*/
+	return _sndfile;
+}
+
+void
+SndFileDescriptor::close ()
+{
+	/* we must have a lock on the FileManager's mutex */
+
+	sf_close (_sndfile);
+	_sndfile = 0;
+}
+
+bool
+SndFileDescriptor::is_open () const
+{
+	/* we must have a lock on the FileManager's mutex */
+
+	return _sndfile != 0;
+}
+
+bool
+SndFileDescriptor::open ()
+{
+	/* we must have a lock on the FileManager's mutex */
+	
+	_sndfile = sf_open (_name.c_str(), _writeable ? SFM_RDWR : SFM_READ, _info);
+	return (_sndfile == 0);
+}
+