Add some options

camera/camera.go

@@ -2,9 +2,11 @@ package camera
 
 // Options .
 type Options struct {
-	Index     int
-	Rotate    int
-	Width     float64
-	Height    float64
-	Timestamp bool
+	Index      int
+	Rotate     int
+	Flip       string
+	Width      float64
+	Height     float64
+	Timestamp  bool
+	TimeFormat string
 }