1 files changed, 45 insertions, 0 deletions
diff --git a/gr-vrt/src/vrt_source_base.h b/gr-vrt/src/vrt_source_base.h
new file mode 100644
index 000000000..e67778860
--- /dev/null
+++ b/gr-vrt/src/vrt_source_base.h
@@ -0,0 +1,45 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2008,2009 Free Software Foundation, Inc.
+ * 
+ * This file is part of GNU Radio
+ * 
+ * GNU Radio 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 3, or (at your option)
+ * any later version.
+ * 
+ * GNU Radio 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 GNU Radio; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef INCLUDED_VRT_SOURCE_BASE_H
+#define INCLUDED_VRT_SOURCE_BASE_H
+
+#include <gr_sync_block.h>
+#include <vrt/rx.h>
+#include <gr_io_signature.h>
+
+/*!
+ * Base class for all VRT source blocks
+ */
+class vrt_source_base : public gr_sync_block
+{
+protected:
+  vrt_source_base(const char *name,
+		  gr_io_signature_sptr output_signature);
+
+public:
+  ~vrt_source_base();
+
+  virtual vrt::rx::sptr vrt_rx() const = 0;
+};
+
+#endif /* INCLUDED_VRT_SOURCE_BASE_H */