Fixed wrong initialization of start_threshold

diff --git a/test/pcm.c b/test/pcm.c
index 782c1ae..325f615 100644 (file)
--- a/test/pcm.c
+++ b/test/pcm.c
@@ -148,8 +148,8 @@ static int set_swparams(snd_pcm_t *handle, snd_pcm_sw_params_t *swparams)
                printf("Unable to determine current swparams for playback: %s\n", snd_strerror(err));
                return err;
        }
-       /* start the transfer when the buffer is full */
-       err = snd_pcm_sw_params_set_start_threshold(handle, swparams, buffer_size);
+       /* start the transfer when the buffer is almost full */
+       err = snd_pcm_sw_params_set_start_threshold(handle, swparams, (buffer_size / period_size) * period_size);
        if (err < 0) {
                printf("Unable to set start threshold mode for playback: %s\n", snd_strerror(err));
                return err;