Fix preset with normal aspect ratio

minfo.py

@@ -202,15 +202,12 @@ class MediaInfo:
 
         self.keep_display_aspect = 0.95 < self.resolution.ratio / self.display_aspect_ratio.ratio < 1.05
 
-        if not self.keep_display_aspect:
+        if self.keep_display_aspect:
+            self.display_width = float(self.resolution.width)
+            self.pixel_aspect_ratio = Ratio(1, 1)
+        else:
             self.display_width = self.resolution.height * self.display_aspect_ratio.ratio
             self.pixel_aspect_ratio = self.display_aspect_ratio
-        else:
-            self.display_width = float(self.resolution.width)
-            self.pixel_aspect_ratio = Ratio(
-                self.display_aspect_ratio.x,
-                self.resolution.width
-            )
 
     @property
     def output_bitrate(self) -> int:

test/test_aspect.py

@@ -15,3 +15,19 @@ def test_square_source():
 
     assert info.resolution == Resolution(576, 576)
     assert info.pixel_aspect_ratio == Ratio(16, 9)
+
+
+def test_normal_source():
+    info = MediaInfo()
+    info.general = {
+
+    }
+    info.video = {
+        "Width": 1920,
+        "Height": 1080,
+        "DisplayAspectRatio": 1.778
+    }
+    info.determine_aspect_properties()
+
+    assert info.resolution == Resolution(1920, 1080)
+    assert info.pixel_aspect_ratio == Ratio(1, 1)