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inputselector: Use new single iterator for the internally linked pads

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This fixes a deadlock and removes some useless code.
This commit is contained in:
Sebastian Dröge 2009-09-25 11:07:02 +02:00 committed by Tim-Philipp Müller
parent 8669fe97bf
commit 8ee3931e5d
1 changed files with 6 additions and 57 deletions
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63
plugins/elements/gstinputselector.c
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@ -320,71 +320,20 @@ gst_selector_pad_reset (GstSelectorPad * pad)
/* strictly get the linked pad from the sinkpad. If the pad is active we return
* the srcpad else we return NULL */
typedef struct
{
GstIterator parent;
GstPad *pad;
gboolean start;
} GstSelectorIterator;
static void
_iterate_free (GstIterator * it)
{
GstSelectorIterator *sit = (GstSelectorIterator *) it;
gst_object_unref (sit->pad);
g_free (it);
}
static GstIteratorResult
_iterate_next (GstIterator * it, gpointer * result)
{
GstSelectorIterator *sit = (GstSelectorIterator *) it;
if (sit->start) {
GstPad *res = gst_input_selector_get_linked_pad (sit->pad, TRUE);
*result = res;
sit->start = FALSE;
return GST_ITERATOR_OK;
}
*result = NULL;
return GST_ITERATOR_DONE;
}
static GstIteratorItem
_iterate_item (GstIterator * it, gpointer item)
{
return GST_ITERATOR_ITEM_PASS;
}
static void
_iterate_resync (GstIterator * it)
{
GstSelectorIterator *sit = (GstSelectorIterator *) it;
sit->start = TRUE;
}
static GstIterator *
gst_selector_pad_iterate_linked_pads (GstPad * pad)
{
GstInputSelector *sel = GST_INPUT_SELECTOR (gst_pad_get_parent (pad));
GstSelectorIterator *it = (GstSelectorIterator *)
gst_iterator_new (sizeof (GstSelectorIterator),
GST_TYPE_PAD,
sel->lock,
&GST_ELEMENT_CAST (sel)->pads_cookie,
_iterate_next, _iterate_item, _iterate_resync, _iterate_free);
it->pad = gst_object_ref (pad);
it->start = TRUE;
GstPad *opad = gst_input_selector_get_linked_pad (pad, TRUE);
GstIterator *it = gst_iterator_new_single (GST_TYPE_PAD, opad,
(GstCopyFunction) gst_object_ref, (GFreeFunc) gst_object_unref);
if (opad)
gst_object_unref (opad);
gst_object_unref (sel);
return (GstIterator *) it;
return it;
}
static gboolean