TYPEMAP
DVB *    		T_PTROBJ
TSReader *    	T_PTROBJ
Adata *    		T_PTROBJ

ADAV *	T_OBJECT

OUTPUT
T_OBJECT
	sv_setref_pv($arg, CLASS, (void*)$var);

INPUT
T_OBJECT
	if (sv_isobject($arg) && SvTYPE(SvRV($arg)) == SVt_PVMG)
	{
	  IV tmp = SvIV((SV*)SvRV($arg));
	  $var = INT2PTR($type, tmp);
	}
	else
	  Perl_croak( aTHX_ \"${Package}::$func_name(): $var is not a blessed SV reference\");