LHzDelowpass: New model (Double 4-taps, 1.5/1.5, mpeg2)

Author: LightArrowsEXE

lvsfunc/models/delowpass.py

@@ -31,6 +31,9 @@ class _LHzDelowpass(Base1xModel, ModelNumpyHandling):
         - For Double (lowpassed twice) models:
             `DoubleTaps{taps1}_{taps2}_{blursize1 * 10}_{blursize2 * 10}`
 
+        - If the dataset was compressed with mpeg2:
+            `*_mpeg2`
+
     Each model is trained on different lowpassing values.
     As such, you may need to experiment to find the one that best suits your source.
 
@@ -104,6 +107,16 @@ class DoubleTaps_4_4_15_15(_LHzDelowpass):
 
         _model_filename = '1x_lanczos_hz_delowpass_4_4_15_15_fp32.onnx'
 
+    @dataclass
+    class DoubleTaps_4_4_15_15_mpeg2(_LHzDelowpass):
+        """
+        Lowpass model for common R2J DVD horizontal lowpassing.
+
+        Trained on double 4-taps (1.5, 1.5) + mpeg2 compression.
+        """
+
+        _model_filename = '1x_lanczos_hz_delowpass_4_4_15_15_mpeg2_fp32.onnx'
+
     @dataclass
     class DoubleTaps_4_4_125_1375_mpeg2(_LHzDelowpass):
         """