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pad: use new event methods to replace events

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Using the new event methods, we can atomically transfer the event from the
pending list to the active list.
This commit is contained in:
Wim Taymans 2011-06-09 13:37:28 +02:00
parent 1b21f2af8f
commit ab0ab2fbca
1 changed files with 4 additions and 13 deletions
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17
gst/gstpad.c
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@ -2727,7 +2727,6 @@ gst_pad_update_events (GstPad * pad)
if (G_UNLIKELY ((eventfunc = GST_PAD_EVENTFUNC (pad)) == NULL))
goto no_function;
restart:
for (i = 0; i < GST_EVENT_MAX_STICKY; i++) {
gboolean res;
PadEvent *ev;
@ -2735,7 +2734,7 @@ restart:
ev = &pad->priv->events[i];
/* skip without pending event */
if ((event = ev->pending) == NULL)
if ((event = gst_event_steal (&ev->pending)) == NULL)
continue;
gst_event_ref (event);
@ -2746,20 +2745,12 @@ restart:
GST_OBJECT_LOCK (pad);
/* things could have changed while we release the lock, check if we still
* are handling the same event, if we don't something changed and we have
* to try again. FIXME. we need a cookie here. */
if (event != ev->pending) {
GST_DEBUG_OBJECT (pad, "events changed, restarting");
goto restart;
}
/* remove the event from the pending entry in all cases */
ev->pending = NULL;
* to try again. FIXME. we need a cookie here. FIXME, we also want to remove
* that lock eventually and then do the retry elsewhere. */
if (res) {
/* make the event active */
if (ev->event)
gst_event_unref (ev->event);
ev->event = event;
gst_event_take (&ev->event, event);
} else {
gst_event_unref (event);
ret = GST_FLOW_ERROR;