fix: Improve width matching tolerance for cinema/ultrawide aspect ratios in MediaInfoExtractor; add test for 2160p scope resolution

src/extractors/mediainfo_extractor.py

@@ -249,11 +249,14 @@ class MediaInfoExtractor:
             effective_height = height
 
         # First, try to match width to typical widths
-        # Use a larger tolerance (10 pixels) to handle cinema/ultrawide aspect ratios
+        # Use proportional tolerance (2% of typical width, min 10px) to handle
+        # cinema/ultrawide aspect ratios where encoded width may differ slightly
+        # (e.g. 3820×1592 scope 4K → 2160p, not a non-standard 1592p)
         width_matches = []
         for frame_class, info in FRAME_CLASSES.items():
             for tw in info["typical_widths"]:
-                if abs(width - tw) <= 10 and frame_class.endswith(scan_type):
+                width_tolerance = max(10, int(tw * 0.02))
+                if abs(width - tw) <= width_tolerance and frame_class.endswith(scan_type):
                     diff = abs(height - info["nominal_height"])
                     width_matches.append((frame_class, diff))
 

src/test/datasets/mediainfo/frame_class_tests.json

@@ -154,5 +154,12 @@
     "interlaced": false,
     "expected_frame_class": "1080p",
     "testname": "test-mistakenly-high-height-2"
+  },
+  {
+    "testname": "test-2160p-scope-240",
+    "resolution": [3820, 1592],
+    "interlaced": false,
+    "expected_frame_class": "2160p",
+    "description": "4K cinema scope 2.40:1 - width slightly under 3840, height non-standard 1592"
   }
 ]