my $ssim;
open my $x264, "-|", "/usr/bin/x264 $flags $preset $override_flags -o /dev/null $file 2>&1";
for my $line (<$x264>) {
- $line =~ /SSIM Mean.*\((\d+\.\d+)db\)/ and $ssim = $1;
+ $line =~ /SSIM Mean.*\(\s*(\d+\.\d+)db\)/ and $ssim = $1;
}
close $x264;
my $elapsed = Time::HiRes::tv_interval($now);