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diff --git a/raul/SMFWriter.hpp b/raul/SMFWriter.hpp
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+/* This file is part of Raul.
+ * Copyright (C) 2007 Dave Robillard <http://drobilla.net>
+ * 
+ * Raul 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 2 of the License, or (at your option) any later
+ * version.
+ * 
+ * Raul 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 details.
+ * 
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef RAUL_SMF_WRITER_HPP
+#define RAUL_SMF_WRITER_HPP
+
+#include <stdexcept>
+#include <raul/MIDISink.hpp>
+
+namespace Raul {
+
+
+/** Standard Midi File (Type 0) Writer
+ */
+class SMFWriter : public Raul::MIDISink {
+public:
+	SMFWriter(unsigned short ppqn=1920);
+	~SMFWriter();
+
+	bool start(const std::string& filename,
+	           BeatTime           start_time=0) throw (std::logic_error);
+
+	uint16_t ppqn() const { return _ppqn; }
+
+	void write_event(BeatTime             time,
+	                 size_t               ev_size,
+	                 const unsigned char* ev) throw (std::logic_error);
+
+	void flush();
+
+	void finish() throw (std::logic_error);
+
+protected:
+	static const uint32_t VAR_LEN_MAX = 0x0FFFFFFF;
+
+	void write_header();
+	void write_footer();
+
+	void     write_chunk_header(char id[4], uint32_t length);
+	void     write_chunk(char id[4], uint32_t length, void* data);
+	size_t   write_var_len(uint32_t val);
+	//uint32_t read_var_len() const;
+	//int      read_event(MidiEvent& ev) const;
+
+	std::string    _filename;
+	FILE*          _fd;
+	uint16_t       _ppqn;
+	Raul::BeatTime _start_time;
+	Raul::BeatTime _last_ev_time; ///< Time last event was written relative to _start_time
+	uint32_t       _track_size;
+	uint32_t       _header_size; ///< size of SMF header, including MTrk chunk header
+};
+
+
+} // namespace Raul
+
+#endif // RAUL_SMF_WRITER_HPP
+