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gnlcomposition: Factor out the condition of _parent_or_priority_changed

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This commit is contained in:
Thibault Saunier 2014-06-25 19:18:29 +02:00
parent 381f7d2aee
commit bf367f704c
1 changed files with 22 additions and 11 deletions
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33
gnl/gnlcomposition.c
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@ -2013,6 +2013,25 @@ block_object_src_pad (GnlComposition * comp, GnlObject * obj)
}
}
static inline gboolean
_parent_or_priority_changed (GnlObject * obj, GNode * oldnode,
GnlObject * newparent, GNode * node)
{
GnlObject *oldparent = NULL;
if (oldnode)
oldparent =
G_NODE_IS_ROOT (oldnode) ? NULL : (GnlObject *) oldnode->parent->data;
if (oldparent != newparent)
return TRUE;
if (oldparent == NULL || newparent == NULL)
return FALSE;
return (g_node_child_index (node, obj) != g_node_child_index (oldnode, obj));
}
/*
* recursive depth-first relink stack function on new stack
*
@ -2030,7 +2049,6 @@ compare_relink_single_node (GnlComposition * comp, GNode * node,
GNode *oldnode = NULL;
GnlObject *newobj;
GnlObject *newparent;
GnlObject *oldparent = NULL;
GstPad *srcpad = NULL, *sinkpad = NULL;
GnlCompositionEntry *entry;
@ -2041,9 +2059,6 @@ compare_relink_single_node (GnlComposition * comp, GNode * node,
newobj = (GnlObject *) node->data;
if (oldstack) {
oldnode = g_node_find (oldstack, G_IN_ORDER, G_TRAVERSE_ALL, newobj);
if (oldnode)
oldparent =
G_NODE_IS_ROOT (oldnode) ? NULL : (GnlObject *) oldnode->parent->data;
}
GST_DEBUG_OBJECT (comp, "newobj:%s",
@ -2056,13 +2071,9 @@ compare_relink_single_node (GnlComposition * comp, GNode * node,
block_object_src_pad (comp, newobj);
entry = COMP_ENTRY (comp, newobj);
/* 2. link to parent if needed. */
GST_LOG_OBJECT (comp, "has a valid source pad");
/* POST PROCESSING */
if ((oldparent != newparent) ||
(oldparent && newparent &&
(g_node_child_index (node,
newobj) != g_node_child_index (oldnode, newobj)))) {
/* link to parent if needed. */
if (_parent_or_priority_changed (newobj, oldnode, newparent, node)) {
GST_LOG_OBJECT (comp,
"not same parent, or same parent but in different order");
/* relink to new parent in required order */