Set a bitmask to specify which events are to be handled by the registered callback
#include <OMXAL/OpenMAXAL_QNX.h>
struct XAQNXVideoBufferQueueSourceItf_ {
XAresult (*SetCallbackEventsMask)(XAQNXVideoBufferQueueSourceItf self,
XAuint32 eventFlags);
} ;
An XA_RESULT_* constant indicating the operation result