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/usr/include/raul/SMFReader.hpp is in libraul-dev 0.8.0+dfsg0-0.1ubuntu1.

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/* This file is part of Raul.
 * Copyright (C) 2007-2009 David 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_READER_HPP
#define RAUL_SMF_READER_HPP

#include <stdexcept>
#include <string>
#include <inttypes.h>
#include "raul/TimeStamp.hpp"

namespace Raul {


/** Standard Midi File (Type 0) Reader
 *
 * Currently this only reads SMF files with tempo-based timing.
 * \ingroup raul 
 */
class SMFReader {
public:
	class PrematureEOF : public std::exception {
		const char* what() const throw() { return "Unexpected end of file"; }
	};
	class CorruptFile : public std::exception {
		const char* what() const throw() { return "Corrupted file"; }
	};
	class UnsupportedTime : public std::exception {
		const char* what() const throw() { return "Unsupported time stamp type (SMPTE)"; }
	};

	explicit SMFReader(const std::string filename="");
	~SMFReader();

	bool open(const std::string& filename) throw (std::logic_error, UnsupportedTime);

	bool seek_to_track(unsigned track) throw (std::logic_error);

	uint16_t type() const { return _type; }
	uint16_t ppqn() const { return _ppqn; }
	size_t   num_tracks() { return _num_tracks; }

	int read_event(size_t    buf_len,
	               uint8_t*  buf,
	               uint32_t* ev_size,
	               uint32_t* ev_delta_time)
		throw (std::logic_error, PrematureEOF, CorruptFile);

	void close();

	static uint32_t read_var_len(FILE* fd) throw (PrematureEOF);

protected:
	/** size of SMF header, including MTrk chunk header */
	static const uint32_t HEADER_SIZE = 22;

	std::string _filename;
	FILE*       _fd;
	uint16_t    _type;
	uint16_t    _ppqn;
	uint16_t    _num_tracks;
	uint32_t    _track;
	uint32_t    _track_size;
};


} // namespace Raul

#endif // RAUL_SMF_READER_HPP