+ struct private_osx_write_data *powd = wn->private_data;
+ struct writer_node_group *wng = wn->wng;
+ size_t numbytes = powd->to->remaining * sizeof(short);
+ struct timeval tmp = {.tv_sec = 1, .tv_usec = 0}, delay = tmp;
+ unsigned long divisor;
+
+ if (!numbytes && *wng->loaded >= sizeof(short))
+ goto min_delay; /* there's a buffer to fill */
+ if (!numbytes)
+ return 1;
+ divisor = powd->samplerate * powd->channels * 2 / numbytes;
+ if (divisor)
+ tv_divide(divisor, &tmp, &delay);
+ if (tv_diff(&s->timeout, &delay, NULL) > 0)
+ s->timeout = delay;
+// PARA_DEBUG_LOG("delay: %lu:%lu\n", (long unsigned) s->timeout.tv_sec,
+// (long unsigned) s->timeout.tv_usec);
+ return 1;
+min_delay:
+ PARA_DEBUG_LOG("%s\n", "minimal delay");