diff --git a/CMakeLists.txt b/CMakeLists.txt
index cdbd1cc..7af5693 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -31,6 +31,7 @@ list(APPEND inspectrum_sources
 	fft.cpp
 	mainwindow.cpp
 	inputsource.cpp
+	samplebuffer.cpp
 	spectrogram.cpp
 	spectrogramcontrols.cpp
 	waveformview.cpp
diff --git a/samplebuffer.cpp b/samplebuffer.cpp
new file mode 100644
index 0000000..29607b3
--- /dev/null
+++ b/samplebuffer.cpp
@@ -0,0 +1,28 @@
+/*
+ *  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 "samplebuffer.h"
+
+bool SampleBuffer::getSamples(std::complex<float> *dest, off_t start, off_t length)
+{
+	std::complex<float> buf[length];
+	src->getSamples(buf, start, length);
+	work(buf, dest, length);
+	return true;
+}
\ No newline at end of file
diff --git a/samplebuffer.h b/samplebuffer.h
new file mode 100644
index 0000000..f2bc9cd
--- /dev/null
+++ b/samplebuffer.h
@@ -0,0 +1,36 @@
+/*
+ *  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 <memory>
+#include "samplesource.h"
+
+class SampleBuffer : public SampleSource
+{
+private:
+	std::shared_ptr<SampleSource> src;
+
+public:
+	SampleBuffer(SampleSource *src) : src(src) {};
+	virtual bool getSamples(std::complex<float> *dest, off_t start, off_t length);
+	virtual void work(void *input, void *output, int count) = 0;
+	virtual off_t count() { return src->count(); };
+};