From 88db71c9aae7938d9b375ccc7c78d9582d078c9f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Maciej=20Kr=C3=BCger?= <mkg20001@gmail.com>
Date: Wed, 18 Nov 2020 23:20:04 +0100
Subject: [PATCH] libavif: disable libaom decoder

---
 pkgs/development/libraries/libavif/default.nix | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/libraries/libavif/default.nix b/pkgs/development/libraries/libavif/default.nix
index e19e0303293..09456433c1a 100644
--- a/pkgs/development/libraries/libavif/default.nix
+++ b/pkgs/development/libraries/libavif/default.nix
@@ -24,8 +24,9 @@ stdenv.mkDerivation rec {
 
   cmakeFlags = [
     "-DBUILD_SHARED_LIBS=ON"
-    "-DAVIF_CODEC_AOM=ON"
-    "-DAVIF_CODEC_DAV1D=ON"
+    "-DAVIF_CODEC_AOM=ON" # best encoder (slow but small)
+    "-DAVIF_CODEC_DAV1D=ON" # best decoder (fast)
+    "-DAVIF_CODEC_AOM_DECODE=OFF"
     "-DAVIF_BUILD_APPS=ON"
   ];