74 lines
1.9 KiB
C++
74 lines
1.9 KiB
C++
/*
|
|
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__ */
|