From 291298ed08521a3cd52f545ec352907d8181f67b Mon Sep 17 00:00:00 2001
From: Ryan Foster <ryan@obsproject.com>
Date: Wed, 26 Aug 2026 14:16:56 -0400
Subject: [PATCH] obs-nvenc: Enable NVENC on Arm64

---
 plugins/CMakeLists.txt            | 2 +-
 plugins/obs-nvenc/nvenc-helpers.c | 4 +++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/plugins/CMakeLists.txt b/plugins/CMakeLists.txt
index 1bea2e4ff..d9717dd54 100644
--- a/plugins/CMakeLists.txt
+++ b/plugins/CMakeLists.txt
@@ -77,7 +77,7 @@ check_obs_browser()
 add_obs_plugin(obs-ffmpeg)
 add_obs_plugin(obs-filters)
 add_obs_plugin(obs-libfdk)
-add_obs_plugin(obs-nvenc PLATFORMS WINDOWS LINUX ARCHITECTURES x64 x86_64)
+add_obs_plugin(obs-nvenc PLATFORMS WINDOWS LINUX)
 add_obs_plugin(obs-outputs)
 add_obs_plugin(
     obs-qsv11
diff --git a/plugins/obs-nvenc/nvenc-helpers.c b/plugins/obs-nvenc/nvenc-helpers.c
index 91fac5cbd..50000cce0 100644
--- a/plugins/obs-nvenc/nvenc-helpers.c
+++ b/plugins/obs-nvenc/nvenc-helpers.c
@@ -101,7 +101,9 @@ bool nv_failed2(obs_encoder_t *encoder, void *session, NVENCSTATUS err, const ch
 
 bool load_nvenc_lib(void)
 {
-#ifdef _WIN32
+#if defined(_M_ARM64)
+	nvenc_lib = os_dlopen("nvEncodeAPI.dll");
+#elif defined(_WIN32)
 	nvenc_lib = os_dlopen("nvEncodeAPI64.dll");
 #else
 	nvenc_lib = os_dlopen("libnvidia-encode.so.1");