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