From fafa7da322906def9ed7d924a51d50e39998fe61 Mon Sep 17 00:00:00 2001
From: Kostya Shishkov <kostya.shishkov@gmail.com>
Date: Wed, 2 Mar 2022 18:31:00 +0100
Subject: [PATCH] core/frame: drop unneeded mut

---
 nihav-core/src/frame.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/nihav-core/src/frame.rs b/nihav-core/src/frame.rs
index 1ba3610..7a09be4 100644
--- a/nihav-core/src/frame.rs
+++ b/nihav-core/src/frame.rs
@@ -168,7 +168,7 @@ impl<T: Clone> NAVideoBuffer<T> {
     /// Returns the number of components in picture format.
     pub fn get_num_components(&self) -> usize { self.offs.len() }
     /// Creates a copy of current `NAVideoBuffer`.
-    pub fn copy_buffer(&mut self) -> Self {
+    pub fn copy_buffer(&self) -> Self {
         let mut data: Vec<T> = Vec::with_capacity(self.data.len());
         data.clone_from(self.data.as_ref());
         let mut offs: Vec<usize> = Vec::with_capacity(self.offs.len());
-- 
2.30.2