*/
/**
* SECTION:gstpad
+ * @title: GstPad
* @short_description: Object contained by elements that allows links to
* other elements
* @see_also: #GstPadTemplate, #GstElement, #GstEvent, #GstQuery, #GstBuffer
g_return_val_if_fail (GST_PAD_IS_SINK (sinkpad),
GST_PAD_LINK_WRONG_DIRECTION);
+ GST_TRACER_PAD_LINK_PRE (srcpad, sinkpad);
+
/* Notify the parent early. See gst_pad_unlink for details. */
if (G_LIKELY ((parent = GST_ELEMENT_CAST (gst_pad_get_parent (srcpad))))) {
if (G_LIKELY (GST_IS_ELEMENT (parent))) {
gst_object_unref (parent);
}
+ GST_TRACER_PAD_LINK_POST (srcpad, sinkpad, result);
return result;
/* ERRORS */
GstPadLinkReturn
gst_pad_link (GstPad * srcpad, GstPad * sinkpad)
{
- GstPadLinkReturn ret;
-
- GST_TRACER_PAD_LINK_PRE (srcpad, sinkpad);
- ret = gst_pad_link_full (srcpad, sinkpad, GST_PAD_LINK_CHECK_DEFAULT);
- GST_TRACER_PAD_LINK_POST (srcpad, sinkpad, ret);
-
- return ret;
+ return gst_pad_link_full (srcpad, sinkpad, GST_PAD_LINK_CHECK_DEFAULT);
}
static void
gst_query_parse_accept_caps (query, &caps);
if (!allowed) {
- GST_CAT_DEBUG_OBJECT (GST_CAT_PERFORMANCE, pad,
- "fallback ACCEPT_CAPS query, consider implementing a specialized version");
- if (GST_PAD_IS_ACCEPT_TEMPLATE (pad))
+ if (GST_PAD_IS_ACCEPT_TEMPLATE (pad)) {
allowed = gst_pad_get_pad_template_caps (pad);
- else
+ } else {
+ GST_CAT_DEBUG_OBJECT (GST_CAT_PERFORMANCE, pad,
+ "fallback ACCEPT_CAPS query, consider implementing a specialized version");
allowed = gst_pad_query_caps (pad, caps);
+ }
}
if (allowed) {
}
/**
+ * gst_pad_get_task_state:
+ * @pad: the #GstPad to get task state from
+ *
+ * Get @pad task state. If no task is currently
+ * set, #GST_TASK_STOPPED is returned.
+ *
+ * Returns: The current state of @pad's task.
+ *
+ * Since: 1.12
+ */
+GstTaskState
+gst_pad_get_task_state (GstPad * pad)
+{
+ GstTask *task;
+ GstTaskState res;
+
+ g_return_val_if_fail (GST_IS_PAD (pad), GST_TASK_STOPPED);
+
+ GST_OBJECT_LOCK (pad);
+ task = GST_PAD_TASK (pad);
+ if (task == NULL)
+ goto no_task;
+ res = gst_task_get_state (task);
+ GST_OBJECT_UNLOCK (pad);
+
+ return res;
+
+no_task:
+ {
+ GST_DEBUG_OBJECT (pad, "pad has no task");
+ GST_OBJECT_UNLOCK (pad);
+ return GST_TASK_STOPPED;
+ }
+}
+
+/**
* gst_pad_stop_task:
* @pad: the #GstPad to stop the task of
*