Update app.py

app.py

@@ -400,22 +400,12 @@ class WanInferencePipeline(nn.Module):
             h = height
             w = width
 
-        # step 1: numerator and denominator as ints
         num = args.max_tokens * 16 * 16 * 4
         den = h * w
-        
-        # step 2: integer division
-        L0 = num // den  # exact floor division, no float in sight
-        
-        # step 3: make it ≡ 1 mod 4
-        diff = (L0 - 1) % 4
-        L  = L0 - diff
-        if L < 1:
-            L = 1  # or whatever your minimal frame count is
-        
-        # step 4: latent frames
-        T = (L + 3) // 4
-
+        L0 = num // den
+        L  = L0 - (L0 % 4)
+        if L < 4: L = 4
+        T  = L // 4
 
         if self.args.i2v:
             if self.args.random_prefix_frames: