blob: 4b1da52d64374b3f0fa7861a1617493c823f7517 (
plain)
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
|
/* $Id$ */
#include "../stdafx.h"
#ifdef WITH_SDL
#include "../openttd.h"
#include "../driver.h"
#include "../mixer.h"
#include "../sdl.h"
#include "sdl_s.h"
#include <SDL.h>
static void CDECL fill_sound_buffer(void *userdata, Uint8 *stream, int len)
{
MxMixSamples(stream, len / 4);
}
static const char *SdlSoundStart(const char * const *parm)
{
SDL_AudioSpec spec;
const char *s = SdlOpen(SDL_INIT_AUDIO);
if (s != NULL) return s;
spec.freq = GetDriverParamInt(parm, "hz", 11025);
spec.format = AUDIO_S16SYS;
spec.channels = 2;
spec.samples = 512;
spec.callback = fill_sound_buffer;
SDL_CALL SDL_OpenAudio(&spec, &spec);
SDL_CALL SDL_PauseAudio(0);
return NULL;
}
static void SdlSoundStop(void)
{
SDL_CALL SDL_CloseAudio();
SdlClose(SDL_INIT_AUDIO);
}
const HalSoundDriver _sdl_sound_driver = {
SdlSoundStart,
SdlSoundStop,
};
#endif
|
