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26d3ca0d GI |
1 | /* |
2 | * (C) notaz, 2013 | |
3 | * | |
4 | * This work is licensed under the terms of any of these licenses | |
5 | * (at your option): | |
6 | * - GNU GPL, version 2 or later. | |
7 | * - GNU LGPL, version 2.1 or later. | |
8 | * - MAME license. | |
9 | * See the COPYING file in the top-level directory. | |
10 | */ | |
11 | ||
12 | #include <stdio.h> | |
13 | #include <string.h> | |
14 | ||
15 | #include "linux/sndout_oss.h" | |
16 | #include "sndout_sdl.h" | |
17 | #include "sndout.h" | |
18 | ||
19 | static int sndout_null_init(void) | |
20 | { | |
21 | return 0; | |
22 | } | |
23 | ||
24 | static void sndout_null_exit(void) | |
25 | { | |
26 | } | |
27 | ||
28 | static int sndout_null_start(int rate, int stereo) | |
29 | { | |
30 | return 0; | |
31 | } | |
32 | ||
33 | static void sndout_null_stop(void) | |
34 | { | |
35 | } | |
36 | ||
37 | static void sndout_null_wait(void) | |
38 | { | |
39 | } | |
40 | ||
41 | static int sndout_null_write_nb(const void *data, int bytes) | |
42 | { | |
43 | return bytes; | |
44 | } | |
45 | ||
46 | #define SNDOUT_DRIVER(name) { \ | |
47 | #name, \ | |
48 | sndout_##name##_init, \ | |
49 | sndout_##name##_exit, \ | |
50 | sndout_##name##_start, \ | |
51 | sndout_##name##_stop, \ | |
52 | sndout_##name##_wait, \ | |
53 | sndout_##name##_write_nb, \ | |
54 | } | |
55 | ||
56 | static struct sndout_driver sndout_avail[] = | |
57 | { | |
58 | #ifdef HAVE_SDL | |
59 | SNDOUT_DRIVER(sdl), | |
60 | #endif | |
61 | #ifdef HAVE_OSS | |
62 | SNDOUT_DRIVER(oss), | |
63 | #endif | |
64 | SNDOUT_DRIVER(null) | |
65 | }; | |
66 | ||
67 | struct sndout_driver sndout_current; | |
68 | ||
69 | void sndout_init(void) | |
70 | { | |
71 | int i; | |
72 | ||
73 | for (i = 0; i < sizeof(sndout_avail) / sizeof(sndout_avail[0]); i++) { | |
74 | if (sndout_avail[i].init() == 0) | |
75 | break; | |
76 | } | |
77 | ||
78 | memcpy(&sndout_current, &sndout_avail[i], sizeof(sndout_current)); | |
79 | printf("using %s audio output driver\n", sndout_current.name); | |
80 | } |