#EDIT: here is what lies in line 298
sub _get_args {
    my ($self, $content) = @_;

    my $data;
    for my $line (split "\n", $content) {
        next unless $line;
        if ($line =~ /the uploader has not made this video available in your country/i) {
            croak 'Video not available in your country';
        }  
# The following regex looks like it is asking for trouble
# memo-to-self: can't parse javascript with regex...
        elsif ($line =~ /^.+ytplayer\.config\s*=\s*(\{.*})/) {
print STDERR "BBBBB: |||$1|||\n";
            ($data, undef) = JSON->new->utf8(1)->decode_prefix($1); # <<< 298
            last; 
        }
    }

    croak 'failed to extract JSON data' unless $data->{args};

    return $data->{args};
}