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diff --git a/test/dgreftest/midiinputengine.h b/test/dgreftest/midiinputengine.h
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+++ b/test/dgreftest/midiinputengine.h
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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/***************************************************************************
+ *            midiinputengine.h
+ *
+ *  Sat May 14 13:26:22 CEST 2016
+ *  Copyright 2016 Bent Bisballe Nyeng
+ *  deva@aasimon.org
+ ****************************************************************************/
+
+/*
+ *  This file is part of DrumGizmo.
+ *
+ *  DrumGizmo is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU Lesser General Public License as published by
+ *  the Free Software Foundation; either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  DrumGizmo 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 Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public License
+ *  along with DrumGizmo; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
+ */
+#pragma once
+
+#include <audioinputenginemidi.h>
+#include <midimapper.h>
+#include <midimapparser.h>
+#include <string>
+#include <vector>
+
+#include <event.h>
+#include <smf.h>
+
+class MidifileInputEngine
+	: public AudioInputEngineMidi
+{
+public:
+	MidifileInputEngine();
+	~MidifileInputEngine();
+
+	// based on AudioInputEngineMidi
+	bool init(const Instruments& instruments) override;
+	void setParm(const std::string& parm, const std::string& value) override;
+	bool start() override;
+	void stop() override;
+	void pre() override;
+	void run(size_t pos, size_t len, std::vector<event_t>& events) override;
+	void post() override;
+
+private:
+	smf_t* smf;
+	smf_event_t* current_event;
+
+	std::string midimap_filename;
+	std::string file;
+	float speed;
+	int track;
+	bool loop;
+	double offset, samplerate;
+};