From 8eec10dced5a99a8e157b0b7a6b6600cae7af78f Mon Sep 17 00:00:00 2001
From: Christian Byrne <cbyrne@comfy.org>
Date: Thu, 6 Mar 2025 09:19:48 -0700
Subject: [PATCH] Fix animated webp output preview (#2897)

---
 src/services/litegraphService.ts | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/services/litegraphService.ts b/src/services/litegraphService.ts
index 7b3cca27d..98b70c6b5 100644
--- a/src/services/litegraphService.ts
+++ b/src/services/litegraphService.ts
@@ -402,7 +402,12 @@ export const useLitegraphService = () => {
       if (isNewOutput || isNewPreview) {
         this.animatedImages = output?.animated?.find(Boolean)
 
-        if (this.animatedImages || isVideoNode(this)) {
+        const isAnimatedWebp =
+          this.animatedImages &&
+          output.images.some((img) => img.filename?.includes('webp'))
+        const isVideo =
+          (this.animatedImages && !isAnimatedWebp) || isVideoNode(this)
+        if (isVideo) {
           useNodeVideo(this).showPreview()
         } else {
           useNodeImage(this).showPreview()