From db3875710bcf9f29baa360d91d7b11b0199229a9 Mon Sep 17 00:00:00 2001
From: levlam <levlam@telegram.org>
Date: Tue, 5 Jan 2021 22:46:35 +0300
Subject: [PATCH 1/2] Show recently joined voice chat participants as recent
 speakers.

---
 td/telegram/GroupCallManager.cpp | 5 +++--
 td/telegram/GroupCallManager.h   | 2 +-
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/td/telegram/GroupCallManager.cpp b/td/telegram/GroupCallManager.cpp
index e81456046..e94061660 100644
--- a/td/telegram/GroupCallManager.cpp
+++ b/td/telegram/GroupCallManager.cpp
@@ -2076,7 +2076,8 @@ void GroupCallManager::on_receive_group_call_version(InputGroupCallId input_grou
 
 void GroupCallManager::on_participant_speaking_in_group_call(InputGroupCallId input_group_call_id,
                                                              const GroupCallParticipant &participant) {
-  if (participant.active_date < G()->unix_time() - RECENT_SPEAKER_TIMEOUT) {
+  auto active_date = td::max(participant.active_date, participant.joined_date - 60);
+  if (active_date < G()->unix_time() - RECENT_SPEAKER_TIMEOUT) {
     return;
   }
 
@@ -2085,7 +2086,7 @@ void GroupCallManager::on_participant_speaking_in_group_call(InputGroupCallId in
     return;
   }
 
-  on_user_speaking_in_group_call(group_call->group_call_id, participant.user_id, participant.active_date, true);
+  on_user_speaking_in_group_call(group_call->group_call_id, participant.user_id, active_date, true);
 }
 
 void GroupCallManager::on_user_speaking_in_group_call(GroupCallId group_call_id, UserId user_id, int32 date,
diff --git a/td/telegram/GroupCallManager.h b/td/telegram/GroupCallManager.h
index 03de5dd73..c55fe6d22 100644
--- a/td/telegram/GroupCallManager.h
+++ b/td/telegram/GroupCallManager.h
@@ -88,7 +88,7 @@ class GroupCallManager : public Actor {
   struct GroupCallRecentSpeakers;
   struct PendingJoinRequest;
 
-  static constexpr int32 RECENT_SPEAKER_TIMEOUT = 5 * 60;
+  static constexpr int32 RECENT_SPEAKER_TIMEOUT = 60 * 60;
   static constexpr int32 CHECK_GROUP_CALL_IS_JOINED_TIMEOUT = 10;
 
   void tear_down() override;

From 62c18729f1cf8c5f1b7dc6f0d37edbffd2bb78b5 Mon Sep 17 00:00:00 2001
From: levlam <levlam@telegram.org>
Date: Thu, 7 Jan 2021 04:03:38 +0300
Subject: [PATCH 2/2] Fix td::unique.

---
 tdutils/td/utils/algorithm.h  | 2 +-
 tdutils/td/utils/translit.cpp | 1 +
 tdutils/test/misc.cpp         | 7 +++++++
 3 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/tdutils/td/utils/algorithm.h b/tdutils/td/utils/algorithm.h
index 9baedc620..06f5fbb62 100644
--- a/tdutils/td/utils/algorithm.h
+++ b/tdutils/td/utils/algorithm.h
@@ -98,7 +98,7 @@ void unique(V &v) {
 
   size_t j = 1;
   for (size_t i = 1; i < v.size(); i++) {
-    if (v[i] != v[i - 1]) {
+    if (v[i] != v[j - 1]) {
       if (i != j) {
         v[j] = std::move(v[i]);
       }
diff --git a/tdutils/td/utils/translit.cpp b/tdutils/td/utils/translit.cpp
index 60ee4e78a..239fa7f5c 100644
--- a/tdutils/td/utils/translit.cpp
+++ b/tdutils/td/utils/translit.cpp
@@ -7,6 +7,7 @@
 #include "td/utils/translit.h"
 
 #include "td/utils/algorithm.h"
+#include "td/utils/format.h"
 #include "td/utils/misc.h"
 #include "td/utils/utf8.h"
 
diff --git a/tdutils/test/misc.cpp b/tdutils/test/misc.cpp
index 08c437922..55d172ac1 100644
--- a/tdutils/test/misc.cpp
+++ b/tdutils/test/misc.cpp
@@ -349,8 +349,14 @@ TEST(Misc, remove) {
 }
 
 static void test_unique(td::vector<int> v, td::vector<int> expected) {
+  auto v_str = td::transform(v, &td::to_string<int>);
+  auto expected_str = td::transform(expected, &td::to_string<int>);
+
   td::unique(v);
   ASSERT_EQ(expected, v);
+
+  td::unique(v_str);
+  ASSERT_EQ(expected_str, v_str);
 }
 
 TEST(Misc, unique) {
@@ -362,6 +368,7 @@ TEST(Misc, unique) {
   test_unique({0, 1}, {0, 1});
   test_unique({1, 0}, {0, 1});
   test_unique({1, 1}, {1});
+  test_unique({1, 1, 0, 0}, {0, 1});
   test_unique({3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 0}, {0, 1, 2, 3});
   test_unique({3, 3, 3, 3, 3}, {3});
   test_unique({3, 3, -1, 3, 3}, {-1, 3});