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iqa: Implement child proxy

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Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1424>
This commit is contained in:
Thibault Saunier 2020-06-29 17:28:30 -04:00 committed by GStreamer Merge Bot
parent e754d5a5b2
commit 0349f032bf
2 changed files with 44 additions and 2 deletions
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3
docs/plugins/gst_plugins_cache.json
View file

@ -25582,6 +25582,9 @@
"GInitiallyUnowned",
"GObject"
],
"interfaces": [
"GstChildProxy"
],
"klass": "Filter/Analyzer/Video",
"long-name": "Iqa",
"pad-templates": {

43
ext/iqa/iqa.c
View file

@ -97,11 +97,50 @@ static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE ("sink_%u",
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE (SINK_FORMATS))
);
/* Child proxy implementation */
static GObject *
gst_iqa_child_proxy_get_child_by_index (GstChildProxy * child_proxy,
guint index)
{
GstIqa *iqa = GST_IQA (child_proxy);
GObject *obj = NULL;
GST_OBJECT_LOCK (iqa);
obj = g_list_nth_data (GST_ELEMENT_CAST (iqa)->sinkpads, index);
if (obj)
gst_object_ref (obj);
GST_OBJECT_UNLOCK (iqa);
return obj;
}
static guint
gst_iqa_child_proxy_get_children_count (GstChildProxy * child_proxy)
{
guint count = 0;
GstIqa *iqa = GST_IQA (child_proxy);
GST_OBJECT_LOCK (iqa);
count = GST_ELEMENT_CAST (iqa)->numsinkpads;
GST_OBJECT_UNLOCK (iqa);
GST_INFO_OBJECT (iqa, "Children Count: %d", count);
return count;
}
static void
gst_iqa_child_proxy_init (gpointer g_iface, gpointer iface_data)
{
GstChildProxyInterface *iface = g_iface;
iface->get_child_by_index = gst_iqa_child_proxy_get_child_by_index;
iface->get_children_count = gst_iqa_child_proxy_get_children_count;
}
/* GstIqa */
#define gst_iqa_parent_class parent_class
G_DEFINE_TYPE (GstIqa, gst_iqa, GST_TYPE_VIDEO_AGGREGATOR);
G_DEFINE_TYPE_WITH_CODE (GstIqa, gst_iqa, GST_TYPE_VIDEO_AGGREGATOR,
G_IMPLEMENT_INTERFACE (GST_TYPE_CHILD_PROXY, gst_iqa_child_proxy_init));
#ifdef HAVE_DSSIM
inline static unsigned char