From 4a9f17415be3f80e42210fd78b57ce60663f8f45 Mon Sep 17 00:00:00 2001
From: Cameron Gutman <aicommander@gmail.com>
Date: Mon, 12 Jan 2026 23:33:00 -0600
Subject: [PATCH] build(vaapi): Add vaMapBuffers2() stub (#4581)

---
 src/platform/linux/vaapi.cpp | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/platform/linux/vaapi.cpp b/src/platform/linux/vaapi.cpp
index e0cc7930d..21f0b3545 100644
--- a/src/platform/linux/vaapi.cpp
+++ b/src/platform/linux/vaapi.cpp
@@ -24,6 +24,18 @@ extern "C" {
     return VA_STATUS_ERROR_UNIMPLEMENTED;
   }
 #endif
+#if !VA_CHECK_VERSION(1, 21, 0)
+  // vaMapBuffer2 stub allows Sunshine built against libva <2.21.0 to link against ffmpeg on libva 2.21.0 or later
+  VAStatus
+    vaMapBuffer2(
+      VADisplay dpy,
+      VABufferID buf_id,
+      void **pbuf,
+      uint32_t flags
+    ) {
+    return vaMapBuffer(dpy, buf_id, pbuf);
+  }
+#endif
 }
 
 // local includes