00001 /* 00002 * Copyright (c) 2006,2007 Dmitry S. Baikov 00003 * 00004 * This program is free software; you can redistribute it and/or modify 00005 * it under the terms of the GNU General Public License as published by 00006 * the Free Software Foundation; either version 2 of the License, or 00007 * (at your option) any later version. 00008 * 00009 * This program is distributed in the hope that it will be useful, 00010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00012 * GNU General Public License for more details. 00013 * 00014 * You should have received a copy of the GNU General Public License 00015 * along with this program; if not, write to the Free Software 00016 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00017 */ 00018 00019 #ifndef __jack_midi_pack_h__ 00020 #define __jack_midi_pack_h__ 00021 00022 typedef struct { 00023 int running_status; 00024 } midi_pack_t; 00025 00026 static inline 00027 void midi_pack_reset(midi_pack_t *p) 00028 { 00029 p->running_status = 0; 00030 } 00031 00032 static 00033 void midi_pack_event(midi_pack_t *p, jack_midi_event_t *e) 00034 { 00035 if (e->buffer[0] >= 0x80 && e->buffer[0] < 0xF0) { // Voice Message 00036 if (e->buffer[0] == p->running_status) { 00037 e->buffer++; 00038 e->size--; 00039 } else 00040 p->running_status = e->buffer[0]; 00041 } else if (e->buffer[0] < 0xF8) { // not System Realtime 00042 p->running_status = 0; 00043 } 00044 } 00045 00046 #endif /* __jack_midi_pack_h__ */