From e8daa145e433b4ffd82b138eea608efc2541dc6a Mon Sep 17 00:00:00 2001
From: tomas <tomas@PC_STOLNI>
Date: Tue, 17 Jun 2025 13:30:22 +0200
Subject: [PATCH] refactor(decode): Replace min-max scaling with standard [-1,
 1] conversion

---
 nodes.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/nodes.py b/nodes.py
index 3af07fe..b20232b 100644
--- a/nodes.py
+++ b/nodes.py
@@ -3825,8 +3825,10 @@ class WanVideoDecode:
             images = vae.decode(latents, device=device, end_=(end_image is not None), tiled=enable_vae_tiling, tile_size=(tile_x//8, tile_y//8), tile_stride=(tile_stride_x//8, tile_stride_y//8))[0]
             vae.model.clear_cache()
 
-        images = (images - images.min()) / (images.max() - images.min())      
-
+        #images = (images - images.min()) / (images.max() - images.min())      
+        images = torch.clamp(images, -1.0, 1.0) 
+        images = (images + 1.0) / 2.0
+        
         if is_looped:
             #images = images[:, warmup_latent_count * 4:]
             temp_latents = torch.cat([latents[:, :, -3:]] + [latents[:, :, :2]], dim=2)