diff --git a/ChangeLog b/ChangeLog
index bc92d92991..ca9ffa73d8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2007-08-08  Stefan Kost  <ensonic@users.sf.net>
+
+	patch by: Yang Hong <hongyang@redflag-linux.com>
+
+	* ext/pango/gsttextoverlay.c:
+	* ext/pango/gsttextoverlay.h:
+	  Add 'silent' property to GstTimeOverlay. Fixes #462979
+
 2007-08-08  Wim Taymans  <wim.taymans@gmail.com>
 
 	Patch by: Josep Torre Valles <josep@fluendo.com>
diff --git a/ext/pango/gsttextoverlay.c b/ext/pango/gsttextoverlay.c
index 93b5fc9572..97e5597a18 100644
--- a/ext/pango/gsttextoverlay.c
+++ b/ext/pango/gsttextoverlay.c
@@ -114,6 +114,7 @@ GST_ELEMENT_DETAILS ("Text overlay",
 #define DEFAULT_PROP_DELTAY	0
 #define DEFAULT_PROP_WRAP_MODE  GST_TEXT_OVERLAY_WRAP_MODE_WORD_CHAR
 #define DEFAULT_PROP_FONT_DESC	""
+#define DEFAULT_PROP_SILENT	FALSE
 
 /* make a property of me */
 #define DEFAULT_SHADING_VALUE    -80
@@ -132,7 +133,8 @@ enum
   PROP_DELTAX,
   PROP_DELTAY,
   PROP_WRAP_MODE,
-  PROP_FONT_DESC
+  PROP_FONT_DESC,
+  PROP_SILENT
 };
 
 
@@ -356,6 +358,10 @@ gst_text_overlay_class_init (GstTextOverlayClass * klass)
           "Pango font description of font to be used for rendering. "
           "See documentation of pango_font_description_from_string "
           "for syntax.", DEFAULT_PROP_FONT_DESC, G_PARAM_WRITABLE));
+  g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_SILENT,
+      g_param_spec_boolean ("silent", "silent",
+          "Whether to render the text string",
+          DEFAULT_PROP_SILENT, G_PARAM_READWRITE));
 }
 
 static void
@@ -452,6 +458,7 @@ gst_text_overlay_init (GstTextOverlay * overlay, GstTextOverlayClass * klass)
 
   overlay->want_shading = DEFAULT_PROP_SHADING;
   overlay->shading_value = DEFAULT_SHADING_VALUE;
+  overlay->silent = DEFAULT_PROP_SILENT;
 
   overlay->default_text = g_strdup (DEFAULT_PROP_TEXT);
   overlay->need_render = TRUE;
@@ -630,6 +637,9 @@ gst_text_overlay_set_property (GObject * object, guint prop_id,
       }
       break;
     }
+    case PROP_SILENT:
+      overlay->silent = g_value_get_boolean (value);
+      break;
     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
       break;
@@ -674,6 +684,9 @@ gst_text_overlay_get_property (GObject * object, guint prop_id,
     case PROP_WRAP_MODE:
       g_value_set_enum (value, overlay->wrap_mode);
       break;
+    case PROP_SILENT:
+      g_value_set_boolean (value, overlay->silent);
+      break;
     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
       break;
@@ -1385,6 +1398,16 @@ wait_for_text_buf:
   if (overlay->video_flushing)
     goto flushing;
 
+  if (overlay->silent) {
+    GST_OBJECT_UNLOCK (overlay);
+    ret = gst_pad_push (overlay->srcpad, buffer);
+
+    /* Update last_stop */
+    gst_segment_set_last_stop (overlay->segment, GST_FORMAT_TIME, clip_start);
+
+    return ret;
+  }
+
   /* Text pad not linked, rendering internal text */
   if (!overlay->text_linked) {
     if (klass->get_text) {
diff --git a/ext/pango/gsttextoverlay.h b/ext/pango/gsttextoverlay.h
index 3a0146b3d9..e09d240239 100644
--- a/ext/pango/gsttextoverlay.h
+++ b/ext/pango/gsttextoverlay.h
@@ -105,6 +105,7 @@ struct _GstTextOverlay {
     gint                     deltay;
     gchar                   *default_text;
     gboolean                 want_shading;
+    gboolean                 silent;
 
     PangoLayout             *layout;
     FT_Bitmap                bitmap;