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Location: cpp/openttd-patchpack/source/src/sound/sdl_s.cpp - annotation
r28736:cf6dcf707eb1
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Change: [Script] Use company randomizer when adding random deviation (#12065)
r12768:980ae0491352 r12768:980ae0491352 r12768:980ae0491352 r12768:980ae0491352 r12768:980ae0491352 r12768:980ae0491352 r12768:980ae0491352 r9111:983de9c5a848 r9111:983de9c5a848 r6124:7054f2e8fadf r6124:7054f2e8fadf r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r21383:942c32fb8b0e r21383:942c32fb8b0e r17625:366001a31c88 r7170:38b143754b40 r7170:38b143754b40 r17625:366001a31c88 r17625:366001a31c88 r17625:366001a31c88 r17625:366001a31c88 r17625:366001a31c88 r27942:f7389062d120 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r24218:c32caa9f014d r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r23376:478a66c91a5e r23376:478a66c91a5e r23376:478a66c91a5e r23376:478a66c91a5e r23376:478a66c91a5e r23376:478a66c91a5e r23376:478a66c91a5e r23376:478a66c91a5e r5584:545d748cc681 r12675:08178fc9d621 r5584:545d748cc681 r5584:545d748cc681 r14258:e3f9e509ff79 r5584:545d748cc681 r12350:654ff1f37bc4 r23376:478a66c91a5e r23376:478a66c91a5e r23607:36c15679007d r5584:545d748cc681 r5584:545d748cc681 r7170:38b143754b40 r5584:545d748cc681 r23376:478a66c91a5e r23376:478a66c91a5e r23376:478a66c91a5e r23376:478a66c91a5e r23376:478a66c91a5e r5584:545d748cc681 r5584:545d748cc681 r5988:7f6f0097eeb1 | /*
* 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_s.h"
#include <SDL.h>
#include "../safeguards.h"
/** Factory for the SDL sound driver. */
static FSoundDriver_SDL iFSoundDriver_SDL;
/**
* Callback that fills the sound buffer.
* @param stream The stream to put data into.
* @param len The length of the stream in bytes.
*/
static void CDECL fill_sound_buffer(void *, Uint8 *stream, int len)
{
MxMixSamples(stream, len / 4);
}
const char *SoundDriver_SDL::Start(const StringList &parm)
{
SDL_AudioSpec spec;
/* Only initialise SDL if the video driver hasn't done it already */
int ret_code = 0;
if (SDL_WasInit(SDL_INIT_EVERYTHING) == 0) {
ret_code = SDL_Init(SDL_INIT_AUDIO | SDL_INIT_NOPARACHUTE);
} else if (SDL_WasInit(SDL_INIT_AUDIO) == 0) {
ret_code = SDL_InitSubSystem(SDL_INIT_AUDIO);
}
if (ret_code == -1) return SDL_GetError();
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_OpenAudio(&spec, &spec);
SDL_PauseAudio(0);
return nullptr;
}
void SoundDriver_SDL::Stop()
{
SDL_CloseAudio();
SDL_QuitSubSystem(SDL_INIT_AUDIO);
if (SDL_WasInit(SDL_INIT_EVERYTHING) == 0) {
SDL_Quit(); // If there's nothing left, quit SDL
}
}
#endif /* WITH_SDL */
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