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- Nutze 1024 Samples bei 44 kHz. Dies macht Q2 mit dem

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Pulseaudio-Schrott kompatibel.
- Mache s_khz im Frontend und Backend kompatibel
This commit is contained in:
Yamagi Burmeister 2011-01-23 09:37:30 +00:00
parent c7dc7eb62f
commit f9fbe8d380
1 changed files with 40 additions and 15 deletions
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55
src/sdl/sound.c
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@ -97,7 +97,8 @@ SNDDMA_Init(void)
{
char drivername[128];
SDL_AudioSpec desired;
SDL_AudioSpec optained;
SDL_AudioSpec obtained;
int tmp, val;
/* This should never happen,
but this is Quake 2 ... */
@ -107,9 +108,11 @@ SNDDMA_Init(void)
}
int sndbits = (Cvar_Get("sndbits", "16", CVAR_ARCHIVE))->value;
int sndfreq = (Cvar_Get("s_khz", "0", CVAR_ARCHIVE))->value;
int sndfreq = (Cvar_Get("s_khz", "44", CVAR_ARCHIVE))->value;
int sndchans = (Cvar_Get("sndchannels", "2", CVAR_ARCHIVE))->value;
Com_Printf("Starting SDL audio callback.\n");
if (!SDL_WasInit(SDL_INIT_AUDIO))
{
if (SDL_Init(SDL_INIT_AUDIO) == -1)
@ -127,7 +130,7 @@ SNDDMA_Init(void)
Com_Printf("SDL audio driver is \"%s\".\n", drivername);
memset(&desired, '\0', sizeof(desired));
memset(&optained, '\0', sizeof(optained));
memset(&obtained, '\0', sizeof(obtained));
/* Users are stupid */
if ((sndbits != 16) && (sndbits != 8))
@ -135,7 +138,15 @@ SNDDMA_Init(void)
sndbits = 16;
}
if (sndfreq == 22)
if (sndfreq == 48)
{
desired.freq = 48000;
}
else if (sndfreq == 44)
{
desired.freq = 44100;
}
else if (sndfreq == 22)
{
desired.freq = 22050;
}
@ -154,6 +165,10 @@ SNDDMA_Init(void)
{
desired.samples = 512;
}
else if (desired.freq <= 44100)
{
desired.samples = 1024;
}
else
{
desired.samples = 2048;
@ -163,7 +178,7 @@ SNDDMA_Init(void)
desired.callback = sdl_audio_callback;
/* Okay, let's try our luck */
if (SDL_OpenAudio(&desired, &optained) == -1)
if (SDL_OpenAudio(&desired, &obtained) == -1)
{
Com_Printf("SDL_OpenAudio() failed: %s\n", SDL_GetError());
SDL_QuitSubSystem(SDL_INIT_AUDIO);
@ -172,22 +187,32 @@ SNDDMA_Init(void)
/* This points to the frontend */
dmabackend = &dma;
dmapos = 0;
dmabackend->samplebits = optained.format & 0xFF;
dmabackend->channels = optained.channels;
dmabackend->samples = 32768;
dmabackend->samplebits = obtained.format & 0xFF;
dmabackend->channels = obtained.channels;
tmp = (obtained.samples * obtained.channels) * 10;
if (tmp & (tmp - 1))
{ /* make it a power of two */
val = 1;
while (val < tmp)
val <<= 1;
tmp = val;
}
dmabackend->samples = tmp;
dmabackend->submission_chunk = 1;
dmabackend->speed = optained.freq;
dmabackend->speed = obtained.freq;
dmasize = (dmabackend->samples * (dmabackend->samplebits / 8));
dmabackend->buffer = calloc(1, dmasize);
Com_Printf("Starting SDL audio callback.\n");
SDL_PauseAudio(0);
SDL_PauseAudio(0);
Com_Printf("SDL audio initialized.\n");
snd_inited = 1;
return 1;
Com_Printf("SDL audio initialized.\n");
snd_inited = 1;
return 1;
}
int