From 4a547eb05e4924fcdc922bf68d5b6ab1a5584fc9 Mon Sep 17 00:00:00 2001
From: Cameron Gutman <aicommander@gmail.com>
Date: Mon, 5 Jan 2026 23:00:31 -0600
Subject: [PATCH] Add fourcc_mod_is_vendor() definition for older headers

---
 app/streaming/video/ffmpeg-renderers/drm.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/app/streaming/video/ffmpeg-renderers/drm.cpp b/app/streaming/video/ffmpeg-renderers/drm.cpp
index 64d43b72..979f88cd 100644
--- a/app/streaming/video/ffmpeg-renderers/drm.cpp
+++ b/app/streaming/video/ffmpeg-renderers/drm.cpp
@@ -53,6 +53,15 @@ extern "C" {
 #define DRM_FORMAT_XYUV8888 fourcc_code('X', 'Y', 'U', 'V')
 #endif
 
+// Upstreamed modifier macros (5.16+)
+#ifndef fourcc_mod_get_vendor
+#define fourcc_mod_get_vendor(modifier) (((modifier) >> 56) & 0xff)
+#endif
+#ifndef fourcc_mod_is_vendor
+#define fourcc_mod_is_vendor(modifier, vendor) \
+    (fourcc_mod_get_vendor(modifier) == DRM_FORMAT_MOD_VENDOR_## vendor)
+#endif
+
 #include <unistd.h>
 #include <fcntl.h>
 #include <string.h>