Commit 051955e5 authored by Matthew Waters's avatar Matthew Waters 🐨

aggregator: add _get_latency() for subclass usage

API: gst_aggregator_get_latency

https://bugzilla.gnome.org/show_bug.cgi?id=739996
parent aafc0d50
......@@ -1303,6 +1303,7 @@ GstAggregatorClass
gst_aggregator_finish_buffer
gst_aggregator_set_src_caps
gst_aggregator_iterate_sinkpads
gst_aggregator_get_latency
<SUBSECTION Standard>
GST_IS_AGGREGATOR
GST_IS_AGGREGATOR_CLASS
......
......@@ -947,6 +947,44 @@ _latency_query (GstAggregator * self, GstPad * pad, gpointer user_data)
return TRUE;
}
/**
* gst_aggregator_get_latency:
* @self: a #GstAggregator
* @live: (out) (allow-none): whether @self is live
* @min_latency: (out) (allow-none): the configured minimum latency of @self
* @max_latency: (out) (allow-none): the configured maximum latency of @self
*
* Retreives the latency values reported by @self in response to the latency
* query.
*
* Typically only called by subclasses.
*/
void
gst_aggregator_get_latency (GstAggregator * self, gboolean * live,
GstClockTime * min_latency, GstClockTime * max_latency)
{
GstClockTime min, max;
g_return_if_fail (GST_IS_AGGREGATOR (self));
min = self->priv->latency_min;
max = self->priv->latency_max;
if (GST_CLOCK_TIME_IS_VALID (self->timeout)) {
if (GST_CLOCK_TIME_IS_VALID (min))
min += self->timeout;
if (GST_CLOCK_TIME_IS_VALID (max))
max += self->timeout;
}
if (live)
*live = self->priv->latency_live;
if (min_latency)
*min_latency = min;
if (max_latency)
*max_latency = max;
}
static gboolean
gst_aggregator_query_latency (GstAggregator * self, GstQuery * query)
{
......
......@@ -261,6 +261,10 @@ gboolean gst_aggregator_iterate_sinkpads (GstAggregator
GstAggregatorPadForeachFunc func,
gpointer user_data);
void gst_aggregator_get_latency (GstAggregator * self,
gboolean * live,
GstClockTime * min,
GstClockTime * max);
G_END_DECLS
......
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