From 941da846b27aec0c6e7e5fb3a4370287a684bf0e Mon Sep 17 00:00:00 2001
From: Julius Krumbiegel <julius.krumbiegel@gmail.com>
Date: Sat, 12 Oct 2024 17:55:00 +0200
Subject: [PATCH 1/2] Write colorbuffer directly to io if it fits in format

---
 src/ffmpeg-util.jl | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/ffmpeg-util.jl b/src/ffmpeg-util.jl
index b7e7b1bb55c..2bb14ffad61 100644
--- a/src/ffmpeg-util.jl
+++ b/src/ffmpeg-util.jl
@@ -286,8 +286,12 @@ function recordframe!(io::VideoStream)
     # Make no copy if already Matrix{RGB{N0f8}}
     # There may be a 1px padding for odd dimensions
     xdim, ydim = size(glnative)
-    copy!(view(io.buffer, 1:xdim, 1:ydim), glnative)
-    write(io.io, io.buffer)
+    if eltype(glnative) == eltype(io.buffer) && size(glnative) == size(io.buffer)
+        write(io.io, glnative)
+    else
+        copy!(view(io.buffer, 1:xdim, 1:ydim), glnative)
+        write(io.io, io.buffer)
+    end
     next_tick!(io.tick_controller)
     return
 end

From d22e95a7ea9a758288ce0b3bab0f67b2d59b4fc4 Mon Sep 17 00:00:00 2001
From: Julius Krumbiegel <julius.krumbiegel@gmail.com>
Date: Sat, 12 Oct 2024 18:08:13 +0200
Subject: [PATCH 2/2] add changelog

---
 CHANGELOG.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 07748f71d63..53eb7848b01 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 ## [Unreleased]
 
+- Improved performance of `record` by avoiding unnecessary copying in common cases [#4475](https://github.com/MakieOrg/Makie.jl/pull/4475).
+
 ## [0.21.14] - 2024-10-11
 
 - Fixed relocatability of GLMakie [#4461](https://github.com/MakieOrg/Makie.jl/pull/4461).