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Location: cpp/openttd-patchpack/source/src/sound/sdl_s.cpp - annotation
r14497:8e06b0d9fc23
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(svn r19078) -Update: add cases to Hebrew (dnd_man)
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/*
* This file is part of OpenTTD.
* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
* OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file sdl_s.cpp Playing sound via SDL. */
#ifdef WITH_SDL
#include "../stdafx.h"
#include "../mixer.h"
#include "../sdl.h"
#include "sdl_s.h"
#include <SDL.h>
static FSoundDriver_SDL iFSoundDriver_SDL;
static void CDECL fill_sound_buffer(void *userdata, Uint8 *stream, int len)
{
MxMixSamples(stream, len / 4);
}
const char *SoundDriver_SDL::Start(const char * const *parm)
{
SDL_AudioSpec spec;
const char *s = SdlOpen(SDL_INIT_AUDIO);
if (s != NULL) return s;
spec.freq = GetDriverParamInt(parm, "hz", 44100);
spec.format = AUDIO_S16SYS;
spec.channels = 2;
spec.samples = GetDriverParamInt(parm, "samples", 1024);
spec.callback = fill_sound_buffer;
MxInitialize(spec.freq);
SDL_CALL SDL_OpenAudio(&spec, &spec);
SDL_CALL SDL_PauseAudio(0);
return NULL;
}
void SoundDriver_SDL::Stop()
{
SDL_CALL SDL_CloseAudio();
SdlClose(SDL_INIT_AUDIO);
}
#endif /* WITH_SDL */
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