From a325dc2c9a914b69654c1f1116ffaae9d1c394e9 Mon Sep 17 00:00:00 2001
From: linbo <1034003879@qq.com>
Date: Wed, 12 Aug 2026 15:16:36 +0800
Subject: [PATCH] fix(camera): register FFmpeg input devices

---
 cmvr-es/devices/camera/uvc_camera/src/uvc_camera.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/cmvr-es/devices/camera/uvc_camera/src/uvc_camera.cpp b/cmvr-es/devices/camera/uvc_camera/src/uvc_camera.cpp
index 1bad4278..eb4179c0 100644
--- a/cmvr-es/devices/camera/uvc_camera/src/uvc_camera.cpp
+++ b/cmvr-es/devices/camera/uvc_camera/src/uvc_camera.cpp
@@ -265,9 +265,10 @@ bool UVCCamera::open_capture_()
         capture_error_.clear();
     }
 
+    avdevice_register_all();
     auto* input_format = av_find_input_format("v4l2");
     if (!input_format) {
-        capture_error_ = "FFmpeg v4l2 input format is unavailable";
+        capture_error_ = "FFmpeg was built without the v4l2 input device";
         return false;
     }