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/* This file is part of Evoral.
* Copyright(C) 2008 Dave Robillard <http://drobilla.net>
* Copyright(C) 2000-2008 Paul Davis
*
* Evoral 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.
*
* Evoral 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 EVORAL_MIDI_UTIL_H
#define EVORAL_MIDI_UTIL_H
#include <evoral/midi_events.h>
namespace Evoral {
/** Return the size of the given event NOT including the status byte,
* or -1 if unknown (eg sysex)
*/
static inline int
midi_event_size(unsigned char status)
{
// if we have a channel event
if (status >= 0x80 && status < 0xF0) {
status &= 0xF0; // mask off the channel
}
switch (status) {
case MIDI_CMD_NOTE_OFF:
case MIDI_CMD_NOTE_ON:
case MIDI_CMD_NOTE_PRESSURE:
case MIDI_CMD_CONTROL:
case MIDI_CMD_BENDER:
case MIDI_CMD_COMMON_SONG_POS:
return 2;
case MIDI_CMD_PGM_CHANGE:
case MIDI_CMD_CHANNEL_PRESSURE:
case MIDI_CMD_COMMON_MTC_QUARTER:
case MIDI_CMD_COMMON_SONG_SELECT:
return 1;
case MIDI_CMD_COMMON_TUNE_REQUEST:
case MIDI_CMD_COMMON_SYSEX_END:
case MIDI_CMD_COMMON_CLOCK:
case MIDI_CMD_COMMON_START:
case MIDI_CMD_COMMON_CONTINUE:
case MIDI_CMD_COMMON_STOP:
case MIDI_CMD_COMMON_SENSING:
case MIDI_CMD_COMMON_RESET:
return 0;
case MIDI_CMD_COMMON_SYSEX:
return -1;
}
return -1;
}
} // namespace Evoral
#endif // EVORAL_MIDI_UTIL_H
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