# This is the URL that streams alerts such as motion detection. Documentation at goo.gl/S38ZQq
my($url) = "http://".$user.":".$password."@".$ip.":".$port."/ISAPI/Event/notification/alertStream";
#start an instance of SAX parser for each monitor
my $handler = SAXAlertStreamHandler->new();
my $parser = XML::Parser::PerlSAX->new( Handler => $handler );
my %parser_args = (Source => {SystemId => $url});
$parser->parse(%parser_args);
exit;

Couldn't open http://user:password@10.1.10.23:80/ISAPI/Event/notification/alertStream:
No such file or directory at /usr/local/share/perl/5.18.2/XML/Parser/PerlSAX.pm line 146.