From 1ac52d7a1194ae6ed6cc36c13854acbeba1baba6 Mon Sep 17 00:00:00 2001
From: davidliu <davidliu@deviange.net>
Date: Wed, 11 May 2022 21:59:51 +0900
Subject: [PATCH] Properly remove observer upon deconstruction

---
 pc/video_rtp_receiver.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pc/video_rtp_receiver.cc b/pc/video_rtp_receiver.cc
index ae249d15ad..4612a07431 100644
--- a/pc/video_rtp_receiver.cc
+++ b/pc/video_rtp_receiver.cc
@@ -60,6 +60,8 @@ VideoRtpReceiver::~VideoRtpReceiver() {
   RTC_DCHECK_RUN_ON(&signaling_thread_checker_);
   RTC_DCHECK(stopped_);
   RTC_DCHECK(!media_channel_);
+
+  track_->UnregisterObserver(this);
 }
 
 std::vector<std::string> VideoRtpReceiver::stream_ids() const {