1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
/*
* OSS compatible sequencer driver
* timer handling routines
*
* 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_TIMER_H
#define __SEQ_OSS_TIMER_H
#include "seq_oss_device.h"
/*
* timer information definition
*/
struct seq_oss_timer_t {
seq_oss_devinfo_t *dp;
reltime_t cur_tick;
int realtime;
int running;
int tempo, ppq; /* ALSA queue */
int oss_tempo, oss_timebase;
};
seq_oss_timer_t *snd_seq_oss_timer_new(seq_oss_devinfo_t *dp);
void snd_seq_oss_timer_delete(seq_oss_timer_t *dp);
int snd_seq_oss_timer_start(seq_oss_timer_t *timer);
int snd_seq_oss_timer_stop(seq_oss_timer_t *timer);
int snd_seq_oss_timer_continue(seq_oss_timer_t *timer);
int snd_seq_oss_timer_tempo(seq_oss_timer_t *timer, int value);
#define snd_seq_oss_timer_reset snd_seq_oss_timer_start
int snd_seq_oss_timer_ioctl(seq_oss_timer_t *timer, unsigned int cmd, int __user *arg);
/*
* get current processed time
*/
static inline abstime_t
snd_seq_oss_timer_cur_tick(seq_oss_timer_t *timer)
{
return timer->cur_tick;
}
/*
* is realtime event?
*/
static inline int
snd_seq_oss_timer_is_realtime(seq_oss_timer_t *timer)
{
return timer->realtime;
}
#endif
|
