Extending deinterlace subparams to hex range

tests/unit/test_deinterlace_filter.py

@@ -84,6 +84,31 @@ class DeinterlaceFilterTest(unittest.TestCase):
             payload['tokens'],
         )
 
+    def test_temporal_parameters_accept_hexadecimal_digits(self):
+        lowerPayload = self.getPayload('temp00ff')
+        mixedPayload = self.getPayload('tempFf33')
+
+        self.assertEqual(
+            ['bwdif=mode=1', 'hqdn3d=0:0:7.5:7.5'],
+            lowerPayload['tokens'],
+        )
+        self.assertEqual(
+            ['bwdif=mode=1', 'hqdn3d=7.5:7.5:1.5:1.5'],
+            mixedPayload['tokens'],
+        )
+
+    def test_scale_factors_accept_boundaries_from_two_to_eight(self):
+        payload = self.getPayload('up8_down2')
+
+        self.assertEqual(
+            [
+                'bwdif=mode=1',
+                'scale=iw*8:ih*8:flags=lanczos',
+                'scale=iw/2:ih/2:flags=lanczos',
+            ],
+            payload['tokens'],
+        )
+
     def test_each_component_uses_its_default_when_parameters_are_omitted(self):
         payload = self.getPayload('up_temp_down')
 
@@ -105,7 +130,7 @@ class DeinterlaceFilterTest(unittest.TestCase):
             DeinterlaceFilter(mode='other')
 
     def test_invalid_parameters_are_rejected(self):
-        invalidModes = ('up0', 'down5', 'temp123', 'up__down')
+        invalidModes = ('up1', 'down9', 'temp123', 'temp00gg', 'up__down')
 
         for mode in invalidModes:
             with self.subTest(mode=mode), self.assertRaises(ValueError):