From 88277127d380e6bfa741ac6fad85ab0ad5d79355 Mon Sep 17 00:00:00 2001
From: Kostya Shishkov <kostya.shishkov@gmail.com>
Date: Thu, 16 Apr 2026 21:13:37 +0200
Subject: [PATCH] palettise: ignore skip frames

---
 src/palettise.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/palettise.rs b/src/palettise.rs
index bcf1252..5bffb70 100644
--- a/src/palettise.rs
+++ b/src/palettise.rs
@@ -258,6 +258,9 @@ impl Palettiser {
     }
     pub fn palettise_frame(&self, pic_in: &NABufferType, pic_out: &mut NABufferType) -> Result<(), &'static str> {
 // todo remap already paletted format
+        if matches!(pic_in, NABufferType::None) {
+            return Ok(());
+        }
         if let (Some(ref sbuf), Some(ref mut dbuf)) = (pic_in.get_vbuf(), pic_out.get_vbuf()) {
             let ioff = sbuf.get_offset(0);
             let (w, h) = sbuf.get_dimensions(0);
-- 
2.39.5