From 8ccd4ca886c68a7821297b11334948cbfe95a8a8 Mon Sep 17 00:00:00 2001
From: comfyanonymous <121283862+comfyanonymous@users.noreply.github.com>
Date: Thu, 20 Nov 2025 18:15:44 -0500
Subject: [PATCH] Allow any number of input frames in VAE.

---
 comfy/ldm/hunyuan_video/vae_refiner.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/comfy/ldm/hunyuan_video/vae_refiner.py b/comfy/ldm/hunyuan_video/vae_refiner.py
index baa01cfa4..3445a8b67 100644
--- a/comfy/ldm/hunyuan_video/vae_refiner.py
+++ b/comfy/ldm/hunyuan_video/vae_refiner.py
@@ -232,8 +232,8 @@ class Encoder(nn.Module):
 
         if self.refiner_vae:
             xl = [x[:, :, :1, :, :]]
-            if x.shape[2] > 1:
-                xl += torch.split(x[:, :, 1:, :, :], self.ffactor_temporal, dim=2)
+            if x.shape[2] > self.ffactor_temporal:
+                xl += torch.split(x[:, :, 1: 1 + ((x.shape[2] - 1) // self.ffactor_temporal) * self.ffactor_temporal, :, :], self.ffactor_temporal, dim=2)
             x = xl
         else:
             x = [x]