From 80702884f060e34eb8791970d9754c4242e6a39e Mon Sep 17 00:00:00 2001
From: Thibault Saunier <thibault.saunier@collabora.com>
Date: Thu, 22 Aug 2013 10:51:49 -0400
Subject: [PATCH] validate: Print state changes to help debugging

---
 validate/tools/gst-validate.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/validate/tools/gst-validate.c b/validate/tools/gst-validate.c
index e666aa0217..4f31f3a605 100644
--- a/validate/tools/gst-validate.c
+++ b/validate/tools/gst-validate.c
@@ -73,6 +73,20 @@ bus_callback (GstBus * bus, GstMessage * message, gpointer data)
     }
     case GST_MESSAGE_EOS:
       g_main_loop_quit (loop);
+      break;
+    case GST_MESSAGE_STATE_CHANGED:
+      if (GST_MESSAGE_SRC (message) == GST_OBJECT (pipeline)) {
+        GstState oldstate, newstate, pending;
+
+        gst_message_parse_state_changed (message, &oldstate, &newstate,
+            &pending);
+
+        GST_DEBUG ("State changed (old: %s, new: %s, pending: %s)",
+            gst_element_state_get_name (oldstate),
+            gst_element_state_get_name (newstate),
+            gst_element_state_get_name (pending));
+      }
+
       break;
     default:
       break;