From 38b56792cd4b28bc0e7632e7ac536509c2b127ea Mon Sep 17 00:00:00 2001
From: levlam <levlam@telegram.org>
Date: Thu, 26 May 2022 15:32:15 +0300
Subject: [PATCH] Reload group call if number of members became negative.

---
 td/telegram/GroupCallManager.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/td/telegram/GroupCallManager.cpp b/td/telegram/GroupCallManager.cpp
index 575bd45fd..6c08b6878 100644
--- a/td/telegram/GroupCallManager.cpp
+++ b/td/telegram/GroupCallManager.cpp
@@ -4660,14 +4660,15 @@ bool GroupCallManager::set_group_call_participant_count(GroupCall *group_call, i
   }
 
   LOG(DEBUG) << "Set " << group_call->group_call_id << " participant count to " << count << " from " << source;
+  auto input_group_call_id = get_input_group_call_id(group_call->group_call_id).ok();
   if (count < 0) {
     LOG(ERROR) << "Participant count became negative in " << group_call->group_call_id << " in "
                << group_call->dialog_id << " from " << source;
     count = 0;
+    reload_group_call(input_group_call_id, Auto());
   }
 
   bool result = false;
-  auto input_group_call_id = get_input_group_call_id(group_call->group_call_id).ok();
   if (need_group_call_participants(input_group_call_id, group_call)) {
     auto known_participant_count =
         static_cast<int32>(add_group_call_participants(input_group_call_id)->participants.size());
@@ -4723,6 +4724,8 @@ bool GroupCallManager::set_group_call_unmuted_video_count(GroupCall *group_call,
     LOG(ERROR) << "Video participant count became negative in " << group_call->group_call_id << " in "
                << group_call->dialog_id << " from " << source;
     count = 0;
+    auto input_group_call_id = get_input_group_call_id(group_call->group_call_id).ok();
+    reload_group_call(input_group_call_id, Auto());
   }
 
   if (group_call->unmuted_video_count == count) {