libvmaf 1.3.9 (new formula)

Closes #32937.

Signed-off-by: FX Coudert <fxcoudert@gmail.com>

Formula/libvmaf.rb

@@ -0,0 +1,21 @@
+class Libvmaf < Formula
+  desc "Perceptual video quality assessment based on multi-method fusion"
+  homepage "https://github.com/Netflix/vmaf"
+  url "https://github.com/Netflix/vmaf/archive/v1.3.9.tar.gz"
+  sha256 "c9e4fc850f66cf959a36c9603cef26c4298eec20d6c26f9482a355c5753c092d"
+
+  def install
+    system "make"
+    system "make", "install", "INSTALL_PREFIX=#{prefix}"
+    system "make", "testlib", "INSTALL_PREFIX=#{prefix}"
+    pkgshare.install "wrapper/testlib"
+    pkgshare.install "python/test/resource/yuv/src01_hrc00_576x324.yuv"
+  end
+
+  test do
+    yuv = "#{pkgshare}/src01_hrc00_576x324.yuv"
+    pkl = "#{share}/model/vmaf_v0.6.1.pkl"
+    output = shell_output("#{pkgshare}/testlib yuv420p 576 324 #{yuv} #{yuv} #{pkl}")
+    assert_match "VMAF score = ", output
+  end
+end