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#include "stdafx.h"

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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 "sound/sdl.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(_mixer, 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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};