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Fix the buffer size so ALSA doesn't multiply by the number of periods

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This commit is contained in:
Chris Robinson 2008-01-06 00:18:06 -08:00
parent 017fc93307
commit dd60366aec
1 changed files with 6 additions and 4 deletions
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10
Alc/alsa.c
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@ -396,7 +396,7 @@ open_alsa:
periods = GetConfigValueInt("alsa", "periods", 4);
if((int)periods <= 0)
periods = 4;
bufferSizeInFrames = device->UpdateFreq;
bufferSizeInFrames = device->UpdateFreq / periods;
psnd_pcm_hw_params_malloc(&p);
#define ok(func, str) (i=(func),((i<0)?(err=(str)),0:1))
@ -438,9 +438,9 @@ open_alsa:
psnd_pcm_hw_params_free(p);
device->MaxNoOfSources = 256;
device->UpdateFreq = bufferSizeInFrames;
device->UpdateFreq = bufferSizeInFrames * periods;
data->size = psnd_pcm_frames_to_bytes(data->pcmHandle, bufferSizeInFrames);
data->size = psnd_pcm_frames_to_bytes(data->pcmHandle, device->UpdateFreq);
if(access == SND_PCM_ACCESS_RW_INTERLEAVED)
{
data->buffer = malloc(data->size);
@ -512,7 +512,7 @@ static ALCboolean alsa_open_capture(ALCdevice *pDevice, const ALCchar *deviceNam
snd_pcm_format_t alsaFormat;
snd_pcm_hw_params_t *p;
unsigned int periods = 4;
snd_pcm_uframes_t bufferSizeInFrames = SampleSize;
snd_pcm_uframes_t bufferSizeInFrames;
alsa_data *data;
char driver[64];
char *err;
@ -575,6 +575,8 @@ open_alsa:
AL_PRINT("Unknown format?! %x\n", format);
}
bufferSizeInFrames = SampleSize / periods;
psnd_pcm_hw_params_malloc(&p);
#define ok(func, str) (i=(func),((i<0)?(err=(str)),0:1))
/* start with the largest configuration space possible */