Aplied the patches from vishnu to implement seeking in various plugins. bytestream now has an event-aware API.

Original commit message from CVS:
Aplied the patches from vishnu to implement seeking in various plugins.
bytestream now has an event-aware API.

gst/gstpad.c

@@ -1982,13 +1982,15 @@ gst_pad_event_default(GstPad *pad, GstEventType event, guint64 timestamp, guint3
  *
  * Send the event to the pad.
  *
- * Returns: TRUe if the event was handled.
+ * Returns: TRUE if the event was handled.
  */
 gboolean
 gst_pad_send_event (GstPad *pad, GstEvent *event)
 {
   gboolean handled = FALSE;
 
+  g_return_val_if_fail (event, FALSE);
+
   GST_DEBUG (GST_CAT_EVENT, "have event %d on pad %s:%s\n",
 		  GST_EVENT_TYPE (event), GST_DEBUG_PAD_NAME (pad));
 
@@ -2002,5 +2004,7 @@ gst_pad_send_event (GstPad *pad, GstEvent *event)
     GST_DEBUG(GST_CAT_EVENT, "would proceed with default behavior here\n");
     //gst_pad_event_default (pad, event);
   }
+
+  return handled;
 }
 

libs/bytestream/gstbytestream.c

@@ -407,6 +407,21 @@ gst_bytestream_read (GstByteStream * bs, guint32 len)
   return buf;
 }
 
+
+/**
+ * gst_bytestream_get_status
+ * @bs: a bytestream
+ * @avail_out: total number of bytes buffered
+ * @event_out: an event
+ *
+ * When an event occurs, the bytestream will return NULL.  You must
+ * retrieve the event using this API before reading more bytes from
+ * the stream.
+ *
+ * It is possible for the bytestream to return NULL due to running
+ * out of buffers, however, this indicates a bug because an EOS
+ * event should have been sent.
+ */
 void
 gst_bytestream_get_status (GstByteStream *bs,
 			   guint32 *avail_out,