From 71de30f2a91ef2c6da2b1147fe6f606a831ccc5a Mon Sep 17 00:00:00 2001
From: Penwywern <gaspard.larrouturou@protonmail.com>
Date: Mon, 19 Jan 2026 23:22:54 +0100
Subject: [PATCH] frontend: Properly update studio mode mixer

---
 frontend/widgets/AudioMixer.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/frontend/widgets/AudioMixer.cpp b/frontend/widgets/AudioMixer.cpp
index d13fe73b4..453cc062b 100644
--- a/frontend/widgets/AudioMixer.cpp
+++ b/frontend/widgets/AudioMixer.cpp
@@ -380,12 +380,14 @@ void AudioMixer::updateControlVisibility(QString uuid)
 void AudioMixer::sourceCreated(QString uuid)
 {
 	addControlForUuid(uuid);
+	updatePreviewSources();
 	updateGlobalSources();
 }
 
 void AudioMixer::sourceRemoved(QString uuid)
 {
 	removeControlForUuid(uuid);
+	updatePreviewSources();
 	updateGlobalSources();
 }
 
@@ -871,6 +873,8 @@ void AudioMixer::handleFrontendEvent(obs_frontend_event event)
 {
 	switch (event) {
 	case OBS_FRONTEND_EVENT_PREVIEW_SCENE_CHANGED:
+	case OBS_FRONTEND_EVENT_STUDIO_MODE_ENABLED:
+	case OBS_FRONTEND_EVENT_STUDIO_MODE_DISABLED:
 		updatePreviewSources();
 		queueLayoutUpdate();
 		break;