add example; add escape

move sample data

examples/example_test.go

@@ -0,0 +1,23 @@
+package examples
+
+import (
+	"testing"
+
+	"github.com/disintegration/imaging"
+)
+
+func TestExampleStream(t *testing.T) {
+	ExampleStream("./sample_data/in1.mp4", "./sample_data/out1.mp4", false)
+}
+
+func TestExampleReadFramAsJpeg(t *testing.T) {
+	reader := ExampleReadFrameAsJpeg("./sample_data/in1.mp4", 5)
+	img, err := imaging.Decode(reader)
+	if err != nil {
+		t.Fatal(err)
+	}
+	err = imaging.Save(img, "./sample_data/out1.jpeg")
+	if err != nil {
+		t.Fatal(err)
+	}
+}