--- a/gst_plugins_base/gst-libs/gst/audio/gstbaseaudiosink.h	Wed Mar 24 17:58:42 2010 -0500
+++ b/gst_plugins_base/gst-libs/gst/audio/gstbaseaudiosink.h	Wed Mar 24 18:04:17 2010 -0500
@@ -85,7 +85,8 @@
  * drifts too much.
  * @GST_BASE_AUDIO_SINK_SLAVE_NONE: No adjustment is done. 
  *
- * Different possible clock slaving algorithms
+ * Different possible clock slaving algorithms used when the internal audio
+ * clock is not selected as the pipeline master clock.
  */
 typedef enum 
 {
@@ -94,6 +95,8 @@
   GST_BASE_AUDIO_SINK_SLAVE_NONE
 } GstBaseAudioSinkSlaveMethod;
 
+#define GST_TYPE_BASE_AUDIO_SINK_SLAVE_METHOD (gst_base_audio_sink_slave_method_get_type ())
+
 typedef struct _GstBaseAudioSink GstBaseAudioSink;
 typedef struct _GstBaseAudioSinkClass GstBaseAudioSinkClass;
 typedef struct _GstBaseAudioSinkPrivate GstBaseAudioSinkPrivate;
@@ -154,6 +157,11 @@
 IMPORT_C
 #endif
 
+GType gst_base_audio_sink_slave_method_get_type (void);
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
 
 GstRingBuffer *gst_base_audio_sink_create_ringbuffer (GstBaseAudioSink *sink);
 #ifdef __SYMBIAN32__