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Implement list of source events to support for latency events across … #120

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Implement list of source events to support for latency events across … #120

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35 changes: 26 additions & 9 deletions plugins/tracers/gstinterlatency.c
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Original file line number Diff line number Diff line change
Expand Up @@ -167,6 +167,7 @@ send_latency_probe (GstElement * parent, GstPad * pad, guint64 ts)
}
}


static void
calculate_latency (GstInterLatencyTracer * interlatency_tracer,
GstElement * parent, GstPad * pad, guint64 ts)
Expand All @@ -176,10 +177,15 @@ calculate_latency (GstInterLatencyTracer * interlatency_tracer,
g_return_if_fail (pad);

if (!GST_IS_BIN (parent)) {
GstEvent *ev = g_object_get_qdata ((GObject *) pad, latency_probe_id);

if (GST_IS_EVENT (ev))
log_latency (interlatency_tracer, gst_event_get_structure (ev), pad, ts);
GList *list = g_object_steal_qdata ((GObject *) pad, latency_probe_id);
while(list && g_list_first(list)) {
GstEvent* ev = g_list_nth_data(list, 0);
if (GST_IS_EVENT (ev)) {
log_latency(interlatency_tracer, gst_event_get_structure(ev), pad, ts);
gst_event_unref(ev);
}
list = g_list_remove(list, ev);
}
}
}

Expand Down Expand Up @@ -240,6 +246,10 @@ do_pull_range_post (GstTracer * self, guint64 ts, GstPad * pad)
calculate_latency (interlatency_tracer, parent, pad, ts);
}

static void free_event_g_list(GList* list) {
g_list_free_full(list, (GDestroyNotify)gst_event_unref);
}

static void
do_push_event_pre (GstTracer * self, guint64 ts, GstPad * pad, GstEvent * ev)
{
Expand All @@ -253,13 +263,20 @@ do_push_event_pre (GstTracer * self, guint64 ts, GstPad * pad, GstEvent * ev)
const GstStructure *data = gst_event_get_structure (ev);

if (gst_structure_get_name_id (data) == latency_probe_id) {
GList* list = (GList*)g_object_get_qdata((GObject *) pad, latency_probe_id);
GList* new_list = g_list_append(list, gst_event_ref(ev));
/* store event and calculate latency when the buffer that follows
* has been processed */
g_object_set_qdata_full ((GObject *) pad, latency_probe_id,
gst_event_ref (ev), (GDestroyNotify) gst_event_unref);
if (GST_OBJECT_FLAG_IS_SET (parent_peer, GST_ELEMENT_FLAG_SINK))
g_object_set_qdata_full ((GObject *) peer_pad, latency_probe_id,
gst_event_ref (ev), (GDestroyNotify) gst_event_unref);
if(!list)
g_object_set_qdata_full ((GObject *) pad, latency_probe_id,
new_list, (GDestroyNotify) free_event_g_list);
if (GST_OBJECT_FLAG_IS_SET (parent_peer, GST_ELEMENT_FLAG_SINK)) {
GList* list = (GList*)g_object_get_qdata((GObject *) peer_pad, latency_probe_id);
GList* new_list = g_list_append(list, gst_event_ref(ev));
if(!list)
g_object_set_qdata_full((GObject*)peer_pad, latency_probe_id, new_list,
(GDestroyNotify)free_event_g_list);
}
}
}
}
Expand Down