extern int mlt_properties_init( mlt_properties, void *child );
extern mlt_properties mlt_properties_new( );
+extern void mlt_properties_mirror( mlt_properties this, mlt_properties that );
extern int mlt_properties_inherit( mlt_properties this, mlt_properties that );
extern int mlt_properties_set( mlt_properties this, char *name, char *value );
extern int mlt_properties_parse( mlt_properties this, char *namevalue );
extern int mlt_properties_set_int( mlt_properties this, char *name, int value );
extern double mlt_properties_get_double( mlt_properties this, char *name );
extern int mlt_properties_set_double( mlt_properties this, char *name, double value );
-extern mlt_timecode mlt_properties_get_timecode( mlt_properties this, char *name );
-extern int mlt_properties_set_timecode( mlt_properties this, char *name, mlt_timecode value );
+extern mlt_position mlt_properties_get_position( mlt_properties this, char *name );
+extern int mlt_properties_set_position( mlt_properties this, char *name, mlt_position value );
extern int mlt_properties_set_data( mlt_properties this, char *name, void *value, int length, mlt_destructor, mlt_serialiser );
extern void *mlt_properties_get_data( mlt_properties this, char *name, int *length );
extern int mlt_properties_count( mlt_properties this );