UINT soundmng_create(UINT rate, UINT ms) {
UINT samples;
QSound_Playing = FALSE;
if (rate < 11025) {
rate = 11025;
}
else if (rate > 44100) {
rate = 44100;
}
if (SoundChannel_Init()) {
goto qsinit_err;
}
#if !defined(SOUND_CRITICAL)
samples = rate * ms / (SOUNDBUFFERS * 1000);
samples = (samples + 3) & (~3);
#else
samples = rate * ms / 1000;
samples = (samples + 255) & (~255);
#endif
if (SoundBuffer_Init(rate, samples)) {
goto qsinit_err;
}
#if defined(VERMOUTH_LIB)
cmvermouth_load(rate);
#endif
return(samples);
qsinit_err:
soundmng_destroy();
return(0);
}
UINT soundmng_create(UINT rate, UINT ms) {
SDL_AudioSpec fmt;
UINT s;
UINT samples;
SINT16 *tmp;
if (soundmng.opened) {
goto smcre_err1;
}
if (SDL_InitSubSystem(SDL_INIT_AUDIO | SDL_INIT_TIMER) < 0) {
fprintf(stderr, "Error: SDL_Init: %s\n", SDL_GetError());
goto smcre_err1;
}
s = rate * ms / (NSNDBUF * 1000);
samples = 1;
while(s > samples) {
samples <<= 1;
}
soundmng.nsndbuf = 0;
soundmng.samples = samples;
for (s=0; s<NSNDBUF; s++) {
tmp = (SINT16 *)_MALLOC(samples * 2 * sizeof(SINT16), "buf");
if (tmp == NULL) {
goto smcre_err2;
}
soundmng.buf[s] = tmp;
ZeroMemory(tmp, samples * 2 * sizeof(SINT16));
}
ZeroMemory(&fmt, sizeof(fmt));
fmt.freq = rate;
fmt.format = AUDIO_S16SYS;
fmt.channels = 2;
fmt.samples = samples;
fmt.callback = sound_play_cb;
if (SDL_OpenAudio(&fmt, NULL) < 0) {
fprintf(stderr, "Error: SDL_OpenAudio: %s\n", SDL_GetError());
return(FAILURE);
}
#if defined(VERMOUTH_LIB)
cmvermouth_load(rate);
#endif
soundmng.opened = TRUE;
return(samples);
smcre_err2:
for (s=0; s<NSNDBUF; s++) {
tmp = soundmng.buf[s];
soundmng.buf[s] = NULL;
if (tmp) {
_MFREE(tmp);
}
}
smcre_err1:
return(0);
}
