adds aa filter to deinterlacer

src/ffx/cli.py

@@ -1194,7 +1194,15 @@ def checkUniqueDispositions(context, mediaDescriptor: MediaDescriptor):
 
 @click.option("--output-directory", type=str, default='')
 
-@click.option("--deinterlace", is_flag=False, flag_value="default", default="none")
+@click.option(
+    "--deinterlace",
+    type=click.Choice(("none", "default", "up_down", "hq_denoise")),
+    is_flag=False,
+    flag_value="default",
+    default="none",
+    show_default=True,
+    help="Deinterlace with bwdif, optionally followed by a named filter profile.",
+)
 
 @click.option("--denoise", is_flag=False, flag_value="default", default="none")
 @click.option("--denoise-use-hw", is_flag=True, default=False)
@@ -1524,7 +1532,7 @@ def convert(ctx,
         NlmeansFilter(**denoiseKwargs)
 
     if deinterlace != 'none' and not copyVideoEffective:
-        DeinterlaceFilter()
+        DeinterlaceFilter(mode=deinterlace)
 
     chainYield = list(qf.getChainYield())
 

src/ffx/filter/deinterlace_filter.py

@@ -7,6 +7,24 @@ class DeinterlaceFilter(Filter):
 
     IDENTIFIER = 'bwdif'
 
+    MODE_KEY = 'mode'
+    DEFAULT_MODE = 'default'
+    UP_DOWN_MODE = 'up_down'
+    HQ_DENOISE_MODE = 'hq_denoise'
+
+    MODE_TOKENS = {
+        DEFAULT_MODE: ['bwdif=mode=1'],
+        UP_DOWN_MODE: [
+            'bwdif=mode=1',
+            'scale=iw*2:ih*2:flags=lanczos',
+            'scale=iw/2:ih/2:flags=lanczos',
+        ],
+        HQ_DENOISE_MODE: [
+            'bwdif=mode=1',
+            'hqdn3d=1.5:1.5:3:3',
+        ],
+    }
+
     # DEFAULT_STRENGTH: float = 2.8
     # DEFAULT_PATCH_SIZE: int = 13
     # DEFAULT_CHROMA_PATCH_SIZE: int = 9
@@ -21,6 +39,12 @@ class DeinterlaceFilter(Filter):
 
 
     def __init__(self, **kwargs):
+        self.__mode = kwargs.get(
+            DeinterlaceFilter.MODE_KEY,
+            DeinterlaceFilter.DEFAULT_MODE,
+        )
+        if self.__mode not in DeinterlaceFilter.MODE_TOKENS:
+            raise ValueError(f"Unknown deinterlace mode: {self.__mode}")
 
         # self.__useHardware = kwargs.get('use_hardware', False)
 
@@ -123,10 +147,12 @@ class DeinterlaceFilter(Filter):
         # filterName = 'nlmeans_opencl' if self.__useHardware else 'nlmeans'
 
         payload = {'identifier': DeinterlaceFilter.IDENTIFIER,
-                   'parameters': {},
+                   'parameters': {
+                        DeinterlaceFilter.MODE_KEY: self.__mode,
+                    },
                     'suffices': suffices,
                     'variant': f"DEINT",
-                    'tokens': ['bwdif=mode=1']}
+                    'tokens': list(DeinterlaceFilter.MODE_TOKENS[self.__mode])}
         
         return payload
 

tests/unit/test_deinterlace_filter.py

@@ -0,0 +1,64 @@
+import unittest
+
+from ffx.cli import convert
+from ffx.filter.deinterlace_filter import DeinterlaceFilter
+from ffx.filter.filter import Filter
+
+
+class DeinterlaceFilterTest(unittest.TestCase):
+
+    def setUp(self):
+        Filter.filterChain.clear()
+
+    def tearDown(self):
+        Filter.filterChain.clear()
+
+    def getPayload(self, mode=DeinterlaceFilter.DEFAULT_MODE):
+        deinterlaceFilter = DeinterlaceFilter(mode=mode)
+        payload, = deinterlaceFilter.getYield()
+        return payload
+
+    def test_default_mode_yields_only_bwdif(self):
+        payload = self.getPayload()
+
+        self.assertEqual(['bwdif=mode=1'], payload['tokens'])
+
+    def test_up_down_mode_yields_lanczos_scales_after_bwdif(self):
+        payload = self.getPayload(DeinterlaceFilter.UP_DOWN_MODE)
+
+        self.assertEqual(
+            [
+                'bwdif=mode=1',
+                'scale=iw*2:ih*2:flags=lanczos',
+                'scale=iw/2:ih/2:flags=lanczos',
+            ],
+            payload['tokens'],
+        )
+
+    def test_hq_denoise_mode_yields_hqdn3d_after_bwdif(self):
+        payload = self.getPayload(DeinterlaceFilter.HQ_DENOISE_MODE)
+
+        self.assertEqual(
+            ['bwdif=mode=1', 'hqdn3d=1.5:1.5:3:3'],
+            payload['tokens'],
+        )
+
+    def test_unknown_mode_is_rejected(self):
+        with self.assertRaisesRegex(ValueError, 'Unknown deinterlace mode: other'):
+            DeinterlaceFilter(mode='other')
+
+    def test_cli_accepts_named_modes_and_preserves_bare_flag_behavior(self):
+        upDownContext = convert.make_context(
+            'convert',
+            ['--deinterlace', 'up_down'],
+        )
+        bareFlagContext = convert.make_context('convert', ['--deinterlace'])
+        omittedContext = convert.make_context('convert', [])
+
+        self.assertEqual('up_down', upDownContext.params['deinterlace'])
+        self.assertEqual('default', bareFlagContext.params['deinterlace'])
+        self.assertEqual('none', omittedContext.params['deinterlace'])
+
+
+if __name__ == '__main__':
+    unittest.main()