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rsnstreamselector: Use new single object iterator for the internally linked pads

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This prevents an ugly deadlock.
This commit is contained in:
Sebastian Dröge 2009-09-25 11:04:01 +02:00
parent a9e05725d2
commit 07f9536476
1 changed files with 6 additions and 58 deletions
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64
ext/resindvd/rsnstreamselector.c
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@ -715,71 +715,19 @@ rsn_stream_selector_set_active (RsnStreamSelector * sel, GstPad * pad)
GST_OBJECT_UNLOCK (GST_OBJECT_CAST (sel));
}
typedef struct
{
GstIterator parent;
GstPad *pad;
gboolean start;
} RsnStreamSelectorIterator;
static void
_iterate_free (GstIterator * it)
{
RsnStreamSelectorIterator *sit = (RsnStreamSelectorIterator *) it;
gst_object_unref (sit->pad);
g_free (it);
}
static GstIteratorResult
_iterate_next (GstIterator * it, gpointer * result)
{
RsnStreamSelectorIterator *sit = (RsnStreamSelectorIterator *) it;
if (sit->start) {
GstPad *res = rsn_stream_selector_get_linked_pad (sit->pad, TRUE);
*result = res;
sit->start = FALSE;
return res ? GST_ITERATOR_OK : GST_ITERATOR_DONE;
}
*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)
{
RsnStreamSelectorIterator *sit = (RsnStreamSelectorIterator *) it;
sit->start = TRUE;
}
static GstIterator *
rsn_stream_selector_iterate_linked_pads (GstPad * pad)
{
RsnStreamSelector *sel = RSN_STREAM_SELECTOR (gst_pad_get_parent (pad));
RsnStreamSelectorIterator *it = (RsnStreamSelectorIterator *)
gst_iterator_new (sizeof (RsnStreamSelectorIterator),
GST_TYPE_PAD,
GST_OBJECT_CAST (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 *otherpad = rsn_stream_selector_get_linked_pad (pad, TRUE);
GstIterator *it = gst_iterator_new_single (GST_TYPE_PAD, otherpad,
(GstCopyFunction) gst_object_ref, (GFreeFunc) gst_object_unref);
if (otherpad)
gst_object_unref (otherpad);
gst_object_unref (sel);
return (GstIterator *) it;
return it;
}
static GstPad *