sdl_s.cpp
00001
00002
00003 #ifdef WITH_SDL
00004
00005 #include "../stdafx.h"
00006
00007 #include "../driver.h"
00008 #include "../mixer.h"
00009 #include "../sdl.h"
00010 #include "sdl_s.h"
00011 #include <SDL.h>
00012
00013 static FSoundDriver_SDL iFSoundDriver_SDL;
00014
00015 static void CDECL fill_sound_buffer(void *userdata, Uint8 *stream, int len)
00016 {
00017 MxMixSamples(stream, len / 4);
00018 }
00019
00020 const char *SoundDriver_SDL::Start(const char * const *parm)
00021 {
00022 SDL_AudioSpec spec;
00023
00024 const char *s = SdlOpen(SDL_INIT_AUDIO);
00025 if (s != NULL) return s;
00026
00027 spec.freq = GetDriverParamInt(parm, "hz", 11025);
00028 spec.format = AUDIO_S16SYS;
00029 spec.channels = 2;
00030 spec.samples = 512;
00031 spec.callback = fill_sound_buffer;
00032 SDL_CALL SDL_OpenAudio(&spec, &spec);
00033 SDL_CALL SDL_PauseAudio(0);
00034 return NULL;
00035 }
00036
00037 void SoundDriver_SDL::Stop()
00038 {
00039 SDL_CALL SDL_CloseAudio();
00040 SdlClose(SDL_INIT_AUDIO);
00041 }
00042
00043 #endif