static AuBool
event_handler(AuServer* aud, AuEvent* ev, AuEventHandlerRec* hnd)
{
WINE_WAVEOUT *wwo = hnd->data;
switch (ev->type) {
case AuEventTypeElementNotify: {
AuElementNotifyEvent* event = (AuElementNotifyEvent *)ev;
switch (event->kind) {
case AuElementNotifyKindLowWater:
wwo->freeBytes += event->num_bytes;
if (wwo->writeBytes > 0)
wwo->sendBytes += event->num_bytes;
if (wwo->freeBytes && wwo->BufferUsed)
nas_send_buffer(wwo);
break;
case AuElementNotifyKindState:
TRACE("ev: kind %s state %s->%s reason %s numbytes %ld freeB %u\n",
nas_elementnotify_kind(event->kind),
nas_state(event->prev_state),
nas_state(event->cur_state),
nas_reason(event->reason),
event->num_bytes, wwo->freeBytes);
if (event->cur_state == AuStatePause && event->reason != AuReasonUser) {
wwo->freeBytes += event->num_bytes;
if (wwo->writeBytes > 0)
wwo->sendBytes += event->num_bytes;
if (wwo->sendBytes > wwo->writeBytes)
wwo->sendBytes = wwo->writeBytes;
if (wwo->freeBytes && wwo->BufferUsed)
nas_send_buffer(wwo);
}
break;
}
}
}
return AuTrue;
}
static AuBool
nas_event_handler(AuServer *aud, AuEvent *ev, AuEventHandlerRec *hnd)
{
AuElementNotifyEvent *event = (AuElementNotifyEvent*)ev;
audio_job_t aj = hnd->data;
snsd_t *snsd = audio_job_device_data(aj);
NAS_DEBUG_EV("event_handler(): "
"type %s kind %s state %s->%s reason %s "
"numbytes %u\n",
nas_event_type(event->type),
nas_elementnotify_kind(event->kind),
nas_state(event->prev_state),
nas_state(event->cur_state),
nas_reason(event->reason),
(uint32_t)event->num_bytes);
if (event->num_bytes > INT_MAX) {
NAS_CRITICAL("num_bytes > 2GB, server buggy?\n");
}
switch (event->reason) {
case AuReasonWatermark:
nas_read(aj, event->num_bytes);
break;
case AuReasonUnderrun:
/* buffer underrun -> refill buffer */
if (nas_read(aj, event->num_bytes) != 0) {
event->cur_state = AuStateStart;
NAS_DEBUG_EV("restarting\n");
break;
}
NAS_DEBUG_S("Can't refill buffer, stopping flow.\n");
AuStopFlow(aud, snsd->flow, NULL);
aj->play_state = MTPSTATE_STOP;
break;
default:
break;
}
return AuTrue;
}
