David Robillard
bb9cc45cd2
Vimmers, try let c_space_errors = 1 in your .vimrc to highlight this kind of stuff in red. I don't know the emacs equivalent... git-svn-id: svn://localhost/ardour2/branches/3.0@5773 d708f5d6-7413-0410-9779-e7cbd77b26cf
83 lines
2.4 KiB
C++
83 lines
2.4 KiB
C++
/* This file is part of Evoral.
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* Copyright(C) 2008 Dave Robillard <http://drobilla.net>
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* Copyright(C) 2000-2008 Paul Davis
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*
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* Evoral is free software; you can redistribute it and/or modify it under the
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* terms of the GNU General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or(at your option) any later
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* version.
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*
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* Evoral is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef EVORAL_OLD_SMF_HPP
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#define EVORAL_OLD_SMF_HPP
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namespace Evoral {
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template<typename Time> class Event;
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template<typename Time> class EventRingBuffer;
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/** Standard Midi File (Type 0)
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*/
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template<typename Time>
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class SMF {
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public:
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SMF();
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virtual ~SMF();
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void seek_to_start() const;
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uint16_t ppqn() const { return _ppqn; }
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bool is_empty() const { return _empty; }
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bool eof() const { return feof(_fd); }
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Time last_event_time() const { return _last_ev_time; }
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void begin_write();
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void append_event_delta(uint32_t delta_t, const Event<Time>& ev);
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void end_write() THROW_FILE_ERROR;
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void flush();
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int flush_header();
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int flush_footer();
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protected:
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int open(const std::string& path) THROW_FILE_ERROR;
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void close() THROW_FILE_ERROR;
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int read_event(uint32_t* delta_t, uint32_t* size, uint8_t** buf) const;
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private:
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/** Used by flush_footer() to find the position to write the footer */
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void seek_to_footer_position();
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/** Write the track footer at the current seek position */
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void write_footer();
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void write_chunk_header(const char id[4], uint32_t length);
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void write_chunk(const char id[4], uint32_t length, void* data);
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size_t write_var_len(uint32_t val);
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uint32_t read_var_len() const;
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static const uint16_t _ppqn = 19200;
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FILE* _fd;
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Time _last_ev_time; ///< last frame time written, relative to source start
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uint32_t _track_size;
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uint32_t _header_size; ///< size of SMF header, including MTrk chunk header
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bool _empty; ///< true iff file contains(non-empty) events
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};
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}; /* namespace Evoral */
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#endif /* EVORAL_OLD_SMF_HPP */
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