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From 41367bb2b4732507248f2b3c2e43e2aa46c5ef2a Mon Sep 17 00:00:00 2001
From: Jimi Huotari <chiitoo@gentoo.org>
Date: Wed, 30 Dec 2020 03:14:34 +0200
Subject: [PATCH] UI: Fix crash when no audio backends are available
This commit prevents a crash in, for example, Linux configurations
where PulseAudio is disabled, which leads into 'mod' being 'null',
which in turn leads into a segmentation fault when an ALSA source
is selected.
Closes https://github.com/obsproject/obs-studio/issues/3485
---
UI/context-bar-controls.cpp | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/UI/context-bar-controls.cpp b/UI/context-bar-controls.cpp
index 9dff8979a2..9ef850b6d1 100644
--- a/UI/context-bar-controls.cpp
+++ b/UI/context-bar-controls.cpp
@@ -179,6 +179,10 @@ void AudioCaptureToolbar::Init()
obs_module_t *mod =
get_os_module("win-wasapi", "mac-capture", "linux-pulseaudio");
+ if (!mod) {
+ return;
+ }
+
const char *device_str =
get_os_text(mod, "Device", "CoreAudio.Device", "Device");
ui->deviceLabel->setText(device_str);
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