- fixed the infinite loop for probing the rate.

diff --git a/src/pcm/pcm_params.c b/src/pcm/pcm_params.c
index 8d4d255b03081fbfe0f9ad5a5f4958b8560ad000..dd09162a052c9d8130547189fe4245c4ae7268d5 100644 (file)
--- a/src/pcm/pcm_params.c
+++ b/src/pcm/pcm_params.c
@@ -966,14 +966,19 @@ int snd_pcm_hw_param_refine_multiple(snd_pcm_t *pcm,
        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) {
+               unsigned int best = snd_interval_min(it), cur, prev;
+               cur = best;
+               for (;;) {
                        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) == 0)
-                               return 0; /* ok */
+                       if (it->min <= cur && ! (it->min == cur && st->openmin)) {
+                               if (! snd_pcm_hw_param_set(pcm, params, SND_TRY, var, cur, 0))
+                                       return; /* ok */
+                       }
+                       prev = cur;
+                       cur += best;
+                       if (cur <= prev)
+                               break;
                }
        }
        return snd_pcm_hw_param_refine_near(pcm, params, var, src);