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
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
#include <sfx_engine.h>
#include "../device.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#define SCI_UNIXRAW_MIDI_VERSION "0.1"
#ifndef O_SYNC
# define O_SYNC 0
#endif
static int fd;
static const char *devicename = "/dev/midi";
static int
unixraw_init(midi_writer_t *self) {
sciprintf("[SFX] Initialising UNIX raw MIDI backend, v%s\n", SCI_UNIXRAW_MIDI_VERSION);
fd = open(devicename, O_WRONLY | O_SYNC);
if (!IS_VALID_FD(fd)) {
sciprintf("[SFX] Failed to open %s\n", devicename);
return SFX_ERROR;
}
return SFX_OK;
}
static int
unixraw_set_option(midi_writer_t *self, char *name, char *value) {
return SFX_ERROR;
}
static int
unixraw_write(midi_writer_t *self, unsigned char *buffer, int len) {
if (write(fd, buffer, len) != len) {
sciprintf("[SFX] MIDI write error\n");
return SFX_ERROR;
}
return SFX_OK;
}
static void
unixraw_delay(midi_writer_t *self, int ticks) {
}
static void
unixraw_reset_timer(midi_writer_t *self) {
}
static void
unixraw_close(midi_writer_t *self) {
close(fd);
}
midi_writer_t sfx_device_midi_unixraw = {
"unixraw-midi",
&unixraw_init,
&unixraw_set_option,
&unixraw_write,
&unixraw_delay,
NULL,
&unixraw_reset_timer,
&unixraw_close
};
|
