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-rw-r--r--raul/SMFReader.hpp81
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diff --git a/raul/SMFReader.hpp b/raul/SMFReader.hpp
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-/*
- This file is part of Raul.
- Copyright 2007-2012 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 3 of the License, or 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 more details.
-
- You should have received a copy of the GNU General Public License
- along with Raul. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#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
-