From 1df362888ee071611c43e87ab5ffbcc27537cbfa Mon Sep 17 00:00:00 2001
From: Lam Wei Lun <weilun.lam@gmail.com>
Date: Tue, 15 Sep 2026 15:47:48 +0800
Subject: [PATCH] Fixes nullptr deref

---
 src/slic3r/GUI/MediaPlayCtrl.cpp | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/slic3r/GUI/MediaPlayCtrl.cpp b/src/slic3r/GUI/MediaPlayCtrl.cpp
index ccf0e83b6f..93cfcb4125 100644
--- a/src/slic3r/GUI/MediaPlayCtrl.cpp
+++ b/src/slic3r/GUI/MediaPlayCtrl.cpp
@@ -402,10 +402,12 @@ void MediaPlayCtrl::Play()
         return;
     }
     default: // assumed to be CameraStreamMode::none
-        NetworkAgent* agent = wxGetApp().getAgent();
-        if (agent && agent->get_printer_agent()->get_agent_info().id != BBL_PRINTER_AGENT_ID) {
-            Stop(_L("Camera not available"));
-            return;
+        if (NetworkAgent* agent = wxGetApp().getAgent()) {
+            if (auto printer_agent = agent->get_printer_agent()) {
+                if (printer_agent->get_agent_info().id != BBL_PRINTER_AGENT_ID) {
+                    return;
+                }
+            }
         }
         break;
     }