diff --git a/sdrbase/dsp/devicesamplesource.cpp b/sdrbase/dsp/devicesamplesource.cpp
new file mode 100644
index 000000000..5c3e7cf3e
--- /dev/null
+++ b/sdrbase/dsp/devicesamplesource.cpp
@@ -0,0 +1,40 @@
+///////////////////////////////////////////////////////////////////////////////////
+// Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany //
+// written by Christian Daniel                                                   //
+//                                                                               //
+// 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 as version 3 of the License, or                  //
+//                                                                               //
+// 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 V3 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 <dsp/devicesamplesource.h>
+
+DeviceSampleSource::DeviceSampleSource()
+{
+	connect(&m_inputMessageQueue, SIGNAL(messageEnqueued()), this, SLOT(handleInputMessages()));
+}
+
+DeviceSampleSource::~DeviceSampleSource()
+{
+}
+
+void DeviceSampleSource::handleInputMessages()
+{
+	Message* message;
+
+	while ((message = m_inputMessageQueue.pop()) != 0)
+	{
+		if (handleMessage(*message))
+		{
+			delete message;
+		}
+	}
+}
diff --git a/sdrbase/dsp/devicesamplesource.h b/sdrbase/dsp/devicesamplesource.h
new file mode 100644
index 000000000..d1ef88c43
--- /dev/null
+++ b/sdrbase/dsp/devicesamplesource.h
@@ -0,0 +1,56 @@
+///////////////////////////////////////////////////////////////////////////////////
+// Copyright (C) 2015 F4EXB                                                      //
+// written by Edouard Griffiths                                                  //
+//                                                                               //
+// 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 as version 3 of the License, or                  //
+//                                                                               //
+// 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 V3 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/>.          //
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef INCLUDE_SAMPLESOURCE_H
+#define INCLUDE_SAMPLESOURCE_H
+
+#include <QtGlobal>
+#include "dsp/samplefifo.h"
+#include "util/message.h"
+#include "util/messagequeue.h"
+#include "util/export.h"
+
+class SDRANGEL_API DeviceSampleSource : public QObject {
+	Q_OBJECT
+public:
+	DeviceSampleSource();
+	virtual ~DeviceSampleSource();
+
+	virtual bool init(const Message& cmd) = 0;
+	virtual bool start(int device) = 0;
+	virtual void stop() = 0;
+
+	virtual const QString& getDeviceDescription() const = 0;
+	virtual int getSampleRate() const = 0; //!< Sample rate exposed by the source
+	virtual quint64 getCenterFrequency() const = 0; //!< Center frequency exposed by the source
+
+	virtual bool handleMessage(const Message& message) = 0;
+	
+	MessageQueue *getInputMessageQueue() { return &m_inputMessageQueue; }
+	MessageQueue *getOutputMessageQueueToGUI() { return &m_outputMessageQueueToGUI; }
+    SampleFifo* getSampleFifo() { return &m_sampleFifo; }
+
+protected slots:
+	void handleInputMessages();
+
+protected:
+    SampleFifo m_sampleFifo;
+	MessageQueue m_inputMessageQueue; //!< Input queue to the source
+    MessageQueue m_outputMessageQueueToGUI; //!< Output queue specialized for the source GUI
+};
+
+#endif // INCLUDE_SAMPLESOURCE_H