Index: /trunk/include/VBox/err.h
===================================================================
--- /trunk/include/VBox/err.h	(revision 73567)
+++ /trunk/include/VBox/err.h	(revision 73568)
@@ -2790,4 +2790,6 @@
  *  This can happen due to a buffer wraparound of a buffer read/write operation. */
 #define VINF_AUDIO_MORE_DATA_AVAILABLE              (6604)
+/** Stream is not ready for requested operation.  */
+#define VERR_AUDIO_STREAM_NOT_READY                 (-6604)
 /** @} */