"fallback ACCEPT_CAPS query, consider implementing a specialized version");
gst_query_parse_accept_caps (query, &caps);
- allowed = gst_pad_query_caps (pad, caps);
+ if (GST_PAD_IS_ACCEPT_TEMPLATE (pad))
+ allowed = gst_pad_get_pad_template_caps (pad);
+ else
+ allowed = gst_pad_query_caps (pad, caps);
if (allowed) {
if (GST_PAD_IS_ACCEPT_INTERSECT (pad)) {
* it the caps intersect the query-caps result instead
* of checking for a subset. This is interesting for
* parsers that can accept incompletely specified caps.
+ * @GST_PAD_FLAG_ACCEPT_TEMPLATE: the default accept-caps handler will use
+ * the template pad caps instead of query caps to
+ * compare with the accept caps. Use this in combination
+ * with %GST_PAD_FLAG_ACCEPT_INTERSECT. (Since 1.6)
* @GST_PAD_FLAG_LAST: offset to define more flags
*
* Pad state flags
GST_PAD_FLAG_PROXY_ALLOCATION = (GST_OBJECT_FLAG_LAST << 9),
GST_PAD_FLAG_PROXY_SCHEDULING = (GST_OBJECT_FLAG_LAST << 10),
GST_PAD_FLAG_ACCEPT_INTERSECT = (GST_OBJECT_FLAG_LAST << 11),
+ GST_PAD_FLAG_ACCEPT_TEMPLATE = (GST_OBJECT_FLAG_LAST << 12),
/* padding */
GST_PAD_FLAG_LAST = (GST_OBJECT_FLAG_LAST << 16)
} GstPadFlags;
*/
#define GST_PAD_UNSET_ACCEPT_INTERSECT(pad) (GST_OBJECT_FLAG_UNSET (pad, GST_PAD_FLAG_ACCEPT_INTERSECT))
/**
+ * GST_PAD_IS_ACCEPT_TEMPLATE:
+ * @pad: a #GstPad
+ *
+ * Check if the pad's accept caps operation will use the pad template caps.
+ * The default accept-caps will do a query caps to get the caps, which might
+ * be querying downstream causing unnecessary overhead. It is recommended to
+ * implement a proper accept-caps query handler or to use this flag to prevent
+ * recursive accept-caps handling.
+ *
+ * Since: 1.6
+ */
+#define GST_PAD_IS_ACCEPT_TEMPLATE(pad) (GST_OBJECT_FLAG_IS_SET (pad, GST_PAD_FLAG_ACCEPT_TEMPLATE))
+/**
+ * GST_PAD_SET_ACCEPT_TEMPLATE:
+ * @pad: a #GstPad
+ *
+ * Set @pad to by default use the pad template caps to compare with
+ * the accept caps instead of using a caps query result.
+ *
+ * Since: 1.6
+ */
+#define GST_PAD_SET_ACCEPT_TEMPLATE(pad) (GST_OBJECT_FLAG_SET (pad, GST_PAD_FLAG_ACCEPT_TEMPLATE))
+/**
+ * GST_PAD_UNSET_ACCEPT_TEMPLATE:
+ * @pad: a #GstPad
+ *
+ * Unset accept template flag.
+ *
+ * Since: 1.6
+ */
+#define GST_PAD_UNSET_ACCEPT_TEMPLATE(pad) (GST_OBJECT_FLAG_UNSET (pad, GST_PAD_FLAG_ACCEPT_TEMPLATE))
+/**
* GST_PAD_GET_STREAM_LOCK:
* @pad: a #GstPad
*