diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..5bd2abd
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,6 @@
+/target
+**/*.rs.bk
+Cargo.lock
+.idea/
+*.png
+*.ffindex
diff --git a/1558625524644.jpg b/1558625524644.jpg
new file mode 100644
index 0000000..42eb0c5
Binary files /dev/null and b/1558625524644.jpg differ
diff --git a/test.py b/test.py
new file mode 100644
index 0000000..b0ef03b
--- /dev/null
+++ b/test.py
@@ -0,0 +1,16 @@
+import vapoursynth as vs
+core = vs.core
+
+#black = core.std.BlankClip(format=vs.YUV444P8, width=1920, height=1080, color=[0, 128, 128])
+#white = core.std.BlankClip(black, color=[255, 128, 128])
+core.std.LoadPlugin('target/release/libadaptivegrain_rs.so')
+zweihu = core.ffms2.Source('1558625524644.jpg').resize.Point(format=vs.YUV444PS).std.PlaneStats() * 200
+#grained = white.std.PlaneStats().adg.Mask()
+grained = zweihu.adg.Mask()
+#grained = zweihu
+#grained = white.grain.Add(2, constant=True)
+#for i in range(len(grained)):
+#    grained.get_frame(i)
+#grained.resize.Bicubic(format=vs.RGB24, matrix_in_s='709').imwri.Write('png', 'grain%d.png').get_frame(0)
+grained.set_output()
+#zweihu.set_output()