Downstream may provide extra things when we ask it for caps that we may
need to remove.
Fixes the following pipeline warning:
gltestsrc ! glvideomixerelement ! glimagesinkelement
** (gst-launch-1.0:908581): WARNING **: 13:53:28.518: glvideomixer0: update_src_caps returned caps which are not a real subset of the filter caps
static GstCaps *
_update_caps (GstVideoAggregator * vagg, GstCaps * caps)
{
- GstCaps *ret;
+ GstCaps *template_caps, *ret;
GList *l;
GST_OBJECT_LOCK (vagg);
GST_OBJECT_UNLOCK (vagg);
- ret = gst_caps_ref (caps);
+ template_caps = gst_pad_get_pad_template_caps (GST_AGGREGATOR_SRC_PAD (vagg));
+ ret = gst_caps_intersect (caps, template_caps);
return ret;
}