tracer: latency: Show element's source pad name instead of element's name

The full pad name gives more information than the element's name, which is very
useful when elements have multiple source pads.

diff --git a/plugins/tracers/gstlatency.c b/plugins/tracers/gstlatency.c
index 3b774e9..a90e024 100644 (file)
--- a/plugins/tracers/gstlatency.c
+++ b/plugins/tracers/gstlatency.c
@@ -123,22 +123,23 @@ log_latency (const GstStructure * data, GstPad * sink_pad, guint64 sink_ts)
 }
 
 static void
-log_element_latency (const GstStructure * data, GstElement * element,
-    guint64 sink_ts)
+log_element_latency (const GstStructure * data, GstPad * pad, guint64 sink_ts)
 {
   guint64 src_ts;
-  const gchar *element_name;
+  gchar *pad_name;
   const GValue *value;
 
-  element_name = GST_ELEMENT_NAME (element);
+  pad_name = g_strdup_printf ("%s_%s", GST_DEBUG_PAD_NAME (pad));
 
   /* TODO filtering */
 
   value = gst_structure_id_get_value (data, latency_probe_ts);
   src_ts = g_value_get_uint64 (value);
 
-  gst_tracer_record_log (tr_element_latency, element_name,
+  gst_tracer_record_log (tr_element_latency, pad_name,
       GST_CLOCK_DIFF (src_ts, sink_ts), sink_ts);
+
+  g_free (pad_name);
 }
 
 static void
@@ -206,7 +207,7 @@ calculate_latency (GstElement * parent, GstPad * pad, guint64 ts)
     ev = g_object_get_qdata ((GObject *) pad, sub_latency_probe_id);
     if (ev) {
       g_object_set_qdata ((GObject *) pad, sub_latency_probe_id, NULL);
-      log_element_latency (gst_event_get_structure (ev), parent, ts);
+      log_element_latency (gst_event_get_structure (ev), pad, ts);
       gst_event_unref (ev);
     }
   }
@@ -410,9 +411,9 @@ gst_latency_tracer_class_init (GstLatencyTracerClass * klass)
       NULL);
 
   tr_element_latency = gst_tracer_record_new ("element-latency.class",
-      "element", GST_TYPE_STRUCTURE, gst_structure_new ("scope",
+      "src", GST_TYPE_STRUCTURE, gst_structure_new ("scope",
           "type", G_TYPE_GTYPE, G_TYPE_STRING,
-          "related-to", GST_TYPE_TRACER_VALUE_SCOPE, GST_TRACER_VALUE_SCOPE_ELEMENT,
+          "related-to", GST_TYPE_TRACER_VALUE_SCOPE, GST_TRACER_VALUE_SCOPE_PAD,
           NULL),
       "time", GST_TYPE_STRUCTURE, gst_structure_new ("value",
           "type", G_TYPE_GTYPE, G_TYPE_UINT64,