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- fixed the rate selection in the plug layer:

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the multiples of the given rate is chosen if available.
  the nearest rate is selected as usual if not available.
This commit is contained in:
Takashi Iwai 2003-01-27 11:34:50 +00:00
parent 0c156a3c89
commit 1b41de0653
3 changed files with 27 additions and 2 deletions
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21
src/pcm/pcm_params.c
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@ -931,6 +931,27 @@ void snd_pcm_hw_param_refine_near(snd_pcm_t *pcm,
min, &mindir, max, &maxdir);
}
void snd_pcm_hw_param_refine_multiple(snd_pcm_t *pcm,
snd_pcm_hw_params_t *params,
snd_pcm_hw_param_t var,
const snd_pcm_hw_params_t *src)
{
const snd_interval_t *it = hw_param_interval_c(src, var);
const snd_interval_t *st = hw_param_interval_c(params, var);
if (snd_interval_single(it)) {
unsigned int best = snd_interval_min(it), cur;
for (cur = best; ; cur += best) {
if (st->max < cur || (st->max == cur && st->openmax))
break;
if (it->min > cur || (it->min == cur && st->openmin))
continue;
if (! snd_pcm_hw_param_set(pcm, params, SND_TRY, var, cur, 0))
return; /* ok */
}
}
snd_pcm_hw_param_refine_near(pcm, params, var, src);
}
/* ---- end of refinement functions ---- */
int snd_pcm_hw_param_empty(const snd_pcm_hw_params_t *params,