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plugins/elements/gstmultiqueue.c: Implement non-default GstPadIntLinkFunction for multiqueue pads so that the pipelin...

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Original commit message from CVS:
Patch by: Mark Nauwelaerts <manauw at skynet be>
* plugins/elements/gstmultiqueue.c:
(gst_multi_queue_get_internal_links), (apply_buffer),
(single_queue_overrun_cb), (gst_single_queue_new):
Implement non-default GstPadIntLinkFunction for multiqueue pads so that
the pipeline layout can be tracked correctly. Fixes #453732.
This commit is contained in:
Mark Nauwelaerts 2007-07-05 09:06:02 +00:00 committed by Wim Taymans
parent 06aa9c442b
commit fc70188d3e
2 changed files with 52 additions and 0 deletions
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10
ChangeLog
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@ -1,3 +1,13 @@
2007-07-05 Wim Taymans <wim.taymans@gmail.com>
Patch by: Mark Nauwelaerts <manauw at skynet be>
* plugins/elements/gstmultiqueue.c:
(gst_multi_queue_get_internal_links), (apply_buffer),
(single_queue_overrun_cb), (gst_single_queue_new):
Implement non-default GstPadIntLinkFunction for multiqueue pads so that
the pipeline layout can be tracked correctly. Fixes #453732.
2007-07-05 Stefan Kost <ensonic@users.sf.net>
* docs/gst/Makefile.am:

42
plugins/elements/gstmultiqueue.c
View file

@ -348,6 +348,44 @@ gst_multi_queue_get_property (GObject * object, guint prop_id,
GST_MULTI_QUEUE_MUTEX_UNLOCK (mq);
}
GList *
gst_multi_queue_get_internal_links (GstPad * pad)
{
GList *res = NULL;
GstMultiQueue *mqueue;
GstSingleQueue *sq = NULL;
GList *tmp;
g_return_val_if_fail (GST_IS_PAD (pad), NULL);
mqueue = GST_MULTI_QUEUE (GST_PAD_PARENT (pad));
if (!mqueue)
goto no_parent;
GST_MULTI_QUEUE_MUTEX_LOCK (mqueue);
/* Find which single queue it belongs to */
for (tmp = mqueue->queues; tmp && !res; tmp = g_list_next (tmp)) {
sq = (GstSingleQueue *) tmp->data;
if (sq->sinkpad == pad)
res = g_list_prepend (res, sq->srcpad);
if (sq->srcpad == pad)
res = g_list_prepend (res, sq->sinkpad);
}
if (!res)
GST_WARNING_OBJECT (mqueue, "That pad doesn't belong to this element ???");
GST_MULTI_QUEUE_MUTEX_UNLOCK (mqueue);
return res;
no_parent:
{
GST_DEBUG_OBJECT (pad, "no parent");
return NULL;
}
}
/*
* GstElement methods
@ -1298,6 +1336,8 @@ gst_single_queue_new (GstMultiQueue * mqueue)
GST_DEBUG_FUNCPTR (gst_multi_queue_getcaps));
gst_pad_set_bufferalloc_function (sq->sinkpad,
GST_DEBUG_FUNCPTR (gst_multi_queue_bufferalloc));
gst_pad_set_internal_link_function (sq->sinkpad,
GST_DEBUG_FUNCPTR (gst_multi_queue_get_internal_links));
tmp = g_strdup_printf ("src%d", sq->id);
sq->srcpad = gst_pad_new_from_static_template (&srctemplate, tmp);
@ -1313,6 +1353,8 @@ gst_single_queue_new (GstMultiQueue * mqueue)
GST_DEBUG_FUNCPTR (gst_multi_queue_src_event));
gst_pad_set_query_function (sq->srcpad,
GST_DEBUG_FUNCPTR (gst_multi_queue_src_query));
gst_pad_set_internal_link_function (sq->srcpad,
GST_DEBUG_FUNCPTR (gst_multi_queue_get_internal_links));
gst_pad_set_element_private (sq->sinkpad, (gpointer) sq);
gst_pad_set_element_private (sq->srcpad, (gpointer) sq);