Fix problems when seeking with esdsink (#106890)

Original commit message from CVS:
Fix problems when seeking with esdsink (#106890)

common @ 6b0a313b

-Subproject commit d6e219fd076d8f182bd1ee84228b1b85cdb807a6
+Subproject commit 6b0a313b93535f0df7956a01405ddb63a3d76b5a

ext/esd/esdsink.c

@@ -89,6 +89,7 @@ static GstElementStateReturn	gst_esdsink_change_state	(GstElement *element);
 static gboolean			gst_esdsink_sync_parms		(GstEsdsink *esdsink);
 static GstPadLinkReturn	gst_esdsink_sinkconnect		(GstPad *pad, GstCaps *caps);
 
+static void                     gst_esdsink_set_clock           (GstElement *element, GstClock *clock);
 static void			gst_esdsink_chain		(GstPad *pad, GstBuffer *buf);
 
 static void			gst_esdsink_set_property	(GObject *object, guint prop_id, 
@@ -184,6 +185,8 @@ gst_esdsink_class_init (GstEsdsinkClass *klass)
   gobject_class->get_property = gst_esdsink_get_property;
 
   gstelement_class->change_state = gst_esdsink_change_state;
+  gstelement_class->set_clock    = gst_esdsink_set_clock;
+  //gstelement_class->get_clock    = gst_esdsink_get_clock;
 }
 
 static void
@@ -195,6 +198,8 @@ gst_esdsink_init(GstEsdsink *esdsink)
   gst_pad_set_chain_function(esdsink->sinkpad, GST_DEBUG_FUNCPTR(gst_esdsink_chain));
   gst_pad_set_link_function(esdsink->sinkpad, gst_esdsink_sinkconnect);
 
+  GST_FLAG_SET (esdsink, GST_ELEMENT_EVENT_AWARE);
+
   esdsink->mute = FALSE;
   esdsink->fd = -1;
   /* FIXME: get default from somewhere better than just putting them inline. */
@@ -238,6 +243,28 @@ gst_esdsink_sinkconnect (GstPad *pad, GstCaps *caps)
   return GST_PAD_LINK_REFUSED;
 }
 
+#if 0
+static GstClock *
+gst_esdsink_get_clock (GstElement *element)
+{
+  GstEsdsink *esdsink;
+
+  esdsink = GET_ESDSINK (element);
+
+  return GST_CLOCK(esdsink->provided_clock);
+}
+#endif
+
+static void
+gst_esdsink_set_clock (GstElement *element, GstClock *clock)
+{
+  GstEsdsink *esdsink;
+
+  esdsink = GST_ESDSINK (element);
+
+  esdsink->clock = clock;
+}
+
 static void
 gst_esdsink_chain (GstPad *pad, GstBuffer *buf)
 {
@@ -249,6 +276,33 @@ gst_esdsink_chain (GstPad *pad, GstBuffer *buf)
 
   esdsink = GST_ESDSINK (gst_pad_get_parent (pad));
 
+  if (GST_IS_EVENT(buf)){
+    GstEvent *event = GST_EVENT(buf);
+ 
+    switch(GST_EVENT_TYPE(event)){
+      case GST_EVENT_EOS:
+	break;
+      case GST_EVENT_DISCONTINUOUS:
+      {
+	gint64 value;
+
+	if (gst_event_discont_get_value (event, GST_FORMAT_TIME, &value)) {
+	  if (!gst_clock_handle_discont (esdsink->clock, value)){
+	    //gst_esdsink_clock_set_active (osssink->provided_clock, FALSE);
+	  }
+	  //esdsink->handled = 0;
+	}
+ 	//esdsink->resync = TRUE;
+	break;
+      }
+      default:
+	gst_pad_event_default(pad, event);
+	break;
+    }
+    gst_event_unref(event);
+    return;
+  }
+
   if (GST_BUFFER_DATA (buf) != NULL) {
     if (!esdsink->mute && esdsink->fd >= 0) {
       GST_DEBUG (0, "esdsink: fd=%d data=%p size=%d",

ext/esd/esdsink.h

@@ -52,6 +52,8 @@ struct _GstEsdsink {
 
   GstPad *sinkpad;
 
+  GstClock *clock;
+
   gboolean mute;
   int fd;
   gint format;