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/*
* OSS compatible sequencer driver
*
* seq_oss_event.h - OSS event queue record
*
* Copyright (C) 1998,99 Takashi Iwai <tiwai@suse.de>
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __SEQ_OSS_EVENT_H
#define __SEQ_OSS_EVENT_H
#include "seq_oss_device.h"
#define SHORT_EVENT_SIZE 4
#define LONG_EVENT_SIZE 8
/* short event (4bytes) */
struct evrec_short {
unsigned char code;
unsigned char parm1;
unsigned char dev;
unsigned char parm2;
};
/* short note events (4bytes) */
struct evrec_note {
unsigned char code;
unsigned char chn;
unsigned char note;
unsigned char vel;
};
/* long timer events (8bytes) */
struct evrec_timer {
unsigned char code;
unsigned char cmd;
unsigned char dummy1, dummy2;
unsigned int time;
};
/* long extended events (8bytes) */
struct evrec_extended {
unsigned char code;
unsigned char cmd;
unsigned char dev;
unsigned char chn;
unsigned char p1, p2, p3, p4;
};
/* long channel events (8bytes) */
struct evrec_long {
unsigned char code;
unsigned char dev;
unsigned char cmd;
unsigned char chn;
unsigned char p1, p2;
unsigned short val;
};
/* channel voice events (8bytes) */
struct evrec_voice {
unsigned char code;
unsigned char dev;
unsigned char cmd;
unsigned char chn;
unsigned char note, parm;
unsigned short dummy;
};
/* sysex events (8bytes) */
struct evrec_sysex {
unsigned char code;
unsigned char dev;
unsigned char buf[6];
};
/* event record */
union evrec {
struct evrec_short s;
struct evrec_note n;
struct evrec_long l;
struct evrec_voice v;
struct evrec_timer t;
struct evrec_extended e;
struct evrec_sysex x;
unsigned int echo;
unsigned char c[LONG_EVENT_SIZE];
};
#define ev_is_long(ev) ((ev)->s.code >= 128)
#define ev_length(ev) ((ev)->s.code >= 128 ? LONG_EVENT_SIZE : SHORT_EVENT_SIZE)
int snd_seq_oss_process_event(struct seq_oss_devinfo *dp, union evrec *q, struct snd_seq_event *ev);
int snd_seq_oss_process_timer_event(struct seq_oss_timer *rec, union evrec *q);
int snd_seq_oss_event_input(struct snd_seq_event *ev, int direct, void *private_data, int atomic, int hop);
#endif /* __SEQ_OSS_EVENT_H */
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