From c9c3635d370e750c17a9407574ac640ecd938c28 Mon Sep 17 00:00:00 2001
From: "Steinar H. Gunderson" <sgunderson@bigfoot.com>
Date: Tue, 24 Jan 2017 01:08:30 +0100
Subject: [PATCH] Fix an issue where parked capture cards would be deleted,
 causing use-after-free.

---
 mixer.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/mixer.cpp b/mixer.cpp
index 0d32612..878e430 100644
--- a/mixer.cpp
+++ b/mixer.cpp
@@ -281,6 +281,7 @@ void Mixer::set_output_card(int card_index)
 	CaptureCard *card = &cards[card_index];
 	card->capture->stop_dequeue_thread();
 	card->parked_capture = card->capture;
+	card->capture = nullptr;
 	FakeCapture *capture = new FakeCapture(global_flags.width, global_flags.height, FAKE_FPS, OUTPUT_FREQUENCY, card_index, global_flags.fake_cards_audio);
 	configure_card(card_index, capture, /*is_fake_capture=*/true, card->output);
 	card->queue_length_policy.reset(card_index);
-- 
2.39.2