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/*
Copyright (C) 2006 Paul Davis
Written by Dave Robillard, 2006
This program 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.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __ardour_midi_util_h__
#define __ardour_midi_util_h__
#include <midi++/events.h>
namespace ARDOUR {
/** 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 ARDOUR
#endif /* __ardour_midi_util_h__ */
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