diff --git a/CMakeLists.txt b/CMakeLists.txt
index 49266c3..cbc8e73 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -30,6 +30,7 @@ list(APPEND inspectrum_sources
 	main.cpp
 	fft.cpp
 	mainwindow.cpp
+	grsamplebuffer.cpp
 	inputsource.cpp
 	memory_sink_impl.cc
 	memory_source_impl.cc
diff --git a/grsamplebuffer.cpp b/grsamplebuffer.cpp
new file mode 100644
index 0000000..d0a86f1
--- /dev/null
+++ b/grsamplebuffer.cpp
@@ -0,0 +1,27 @@
+/*
+ *  Copyright (C) 2015, Mike Walters <mike@flomp.net>
+ *
+ *  This file is part of inspectrum.
+ *
+ *  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 3 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, see <http://www.gnu.org/licenses/>.
+ */
+
+ #include "grsamplebuffer.h"
+ 
+ void GRSampleBuffer::work(void *input, void *output, int length)
+ {
+	mem_source->set_source(input, length);
+	mem_sink->set_sink(output, length);
+	tb->run();
+ }
\ No newline at end of file
diff --git a/grsamplebuffer.h b/grsamplebuffer.h
new file mode 100644
index 0000000..b8eca52
--- /dev/null
+++ b/grsamplebuffer.h
@@ -0,0 +1,40 @@
+/*
+ *  Copyright (C) 2015, Mike Walters <mike@flomp.net>
+ *
+ *  This file is part of inspectrum.
+ *
+ *  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 3 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include <complex>
+#include <gnuradio/top_block.h>
+#include "memory_sink.h"
+#include "memory_source.h"
+
+#include "samplebuffer.h"
+
+class GRSampleBuffer : public SampleBuffer
+{
+private:
+	gr::top_block_sptr tb;
+	gr::blocks::memory_source::sptr mem_source;
+	gr::blocks::memory_sink::sptr mem_sink;
+
+public:
+	GRSampleBuffer(SampleSource *src, gr::top_block_sptr tb, gr::blocks::memory_source::sptr mem_source, gr::blocks::memory_sink::sptr mem_sink)
+		: SampleBuffer(src), tb(tb), mem_source(mem_source), mem_sink(mem_sink) {};
+	virtual void work(void *input, void *output, int count);
+};