part 2

vsexprtools/exprop.py

@@ -22,29 +22,37 @@ class ExprTokenBase(str):
 
 class ExprToken(ExprTokenBase, CustomEnum):
     LumaMin = 'ymin'
-    ChromaMin = 'cmin'
     LumaMax = 'ymax'
+    ChromaMin = 'cmin'
     ChromaMax = 'cmax'
+    FormatMin = 'fmin'
+    FormatMax = 'fmax'
     Neutral = 'neutral'
     RangeSize = 'range_size'
 
     @property
     def is_chroma(self) -> bool:
         return 'chroma' in self._name_.lower()
 
-    def get_value(self, clip: vs.VideoNode, chroma: bool = False, range_in: ColorRange = ColorRange.LIMITED) -> float:
+    def get_value(self, clip: vs.VideoNode) -> float:
         if self is ExprToken.LumaMin:
-            return get_lowest_value(clip, False)
+            return get_lowest_value(clip)
+
+        if self is ExprToken.LumaMax:
+            return get_peak_value(clip)
 
         if self is ExprToken.ChromaMin:
             return get_lowest_value(clip, True)
 
-        if self is ExprToken.LumaMax:
-            return get_peak_value(clip, False)
-
         if self is ExprToken.ChromaMax:
             return get_peak_value(clip, True)
 
+        if self is ExprToken.FormatMin:
+            return get_lowest_value(clip, range_in=ColorRange.FULL)
+
+        if self is ExprToken.FormatMax:
+            return get_peak_value(clip, range_in=ColorRange.FULL)
+
         if self is ExprToken.Neutral:
             return get_neutral_value(clip)