From 601a0722a7340f14c85fcf7eec372961c8b542b7 Mon Sep 17 00:00:00 2001
From: Lyuma <xn.lyuma@gmail.com>
Date: Wed, 27 Oct 2021 16:06:09 -0700
Subject: [PATCH] Mitigate crash in AudioStreamPlayer3D when a camera has null
 viewport

---
 scene/3d/audio_stream_player_3d.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/scene/3d/audio_stream_player_3d.cpp b/scene/3d/audio_stream_player_3d.cpp
index c422070480a..3f91bce6b31 100644
--- a/scene/3d/audio_stream_player_3d.cpp
+++ b/scene/3d/audio_stream_player_3d.cpp
@@ -383,7 +383,13 @@ Vector<AudioFrame> AudioStreamPlayer3D::_update_panning() {
 	PhysicsDirectSpaceState3D *space_state = PhysicsServer3D::get_singleton()->space_get_direct_state(world_3d->get_space());
 
 	for (Camera3D *camera : cameras) {
+		if (!camera) {
+			continue;
+		}
 		Viewport *vp = camera->get_viewport();
+		if (!vp) {
+			continue;
+		}
 		if (!vp->is_audio_listener_3d()) {
 			continue;
 		}