Jack2: midi_pack.h Source File

Jack2 1.9.12

midi_pack.h
1 /*
2 * Copyright (c) 2006,2007 Dmitry S. Baikov
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 */
18
19 #ifndef __jack_midi_pack_h__
20 #define __jack_midi_pack_h__
21
22 typedef struct
23 {
24 int running_status;
25 }
26 midi_pack_t;
27
28 static inline
29 void midi_pack_reset(midi_pack_t *p)
30 {
31 p->running_status = 0;
32 }
33
34 static
35 void midi_pack_event(midi_pack_t *p, jack_midi_event_t *e)
36 {
37 if (e->buffer[0] >= 0x80 && e->buffer[0] < 0xF0) { // Voice Message
38 if (e->buffer[0] == p->running_status) {
39 e->buffer++;
40 e->size--;
41 } else
42 p->running_status = e->buffer[0];
43 } else if (e->buffer[0] < 0xF8) { // not System Realtime
44 p->running_status = 0;
45 }
46 }
47
48 #endif /* __jack_midi_pack_h__ */
jack_midi_event_t::buffer
jack_midi_data_t * buffer
Definition: JackMidiPort.h:37
jack_midi_event_t::size
size_t size
Definition: JackMidiPort.h:36
jack_midi_event_t
Definition: JackMidiPort.h:33
midi_pack_t
Definition: midi_pack.h:22