diff --git a/Telegram/Resources/icons/calls/call_settings.png b/Telegram/Resources/icons/calls/call_settings.png
deleted file mode 100644
index f16037f3c..000000000
Binary files a/Telegram/Resources/icons/calls/call_settings.png and /dev/null differ
diff --git a/Telegram/Resources/icons/calls/call_settings@2x.png b/Telegram/Resources/icons/calls/call_settings@2x.png
deleted file mode 100644
index 21d18e24f..000000000
Binary files a/Telegram/Resources/icons/calls/call_settings@2x.png and /dev/null differ
diff --git a/Telegram/Resources/icons/calls/call_settings@3x.png b/Telegram/Resources/icons/calls/call_settings@3x.png
deleted file mode 100644
index d86c793a0..000000000
Binary files a/Telegram/Resources/icons/calls/call_settings@3x.png and /dev/null differ
diff --git a/Telegram/Resources/icons/calls/calls_settings.png b/Telegram/Resources/icons/calls/calls_settings.png
new file mode 100644
index 000000000..d965e0a0b
Binary files /dev/null and b/Telegram/Resources/icons/calls/calls_settings.png differ
diff --git a/Telegram/Resources/icons/calls/calls_settings@2x.png b/Telegram/Resources/icons/calls/calls_settings@2x.png
new file mode 100644
index 000000000..57fd5eb97
Binary files /dev/null and b/Telegram/Resources/icons/calls/calls_settings@2x.png differ
diff --git a/Telegram/Resources/icons/calls/calls_settings@3x.png b/Telegram/Resources/icons/calls/calls_settings@3x.png
new file mode 100644
index 000000000..c9f788eab
Binary files /dev/null and b/Telegram/Resources/icons/calls/calls_settings@3x.png differ
diff --git a/Telegram/SourceFiles/boxes/peer_list_box.cpp b/Telegram/SourceFiles/boxes/peer_list_box.cpp
index c0b8d6d5f..7feb3b1a3 100644
--- a/Telegram/SourceFiles/boxes/peer_list_box.cpp
+++ b/Telegram/SourceFiles/boxes/peer_list_box.cpp
@@ -1107,7 +1107,9 @@ void PeerListContent::paintEvent(QPaintEvent *e) {
 	Painter p(this);
 
 	const auto clip = e->rect();
-	p.fillRect(clip, _st.item.button.textBg);
+	if (_mode != Mode::Custom) {
+		p.fillRect(clip, _st.item.button.textBg);
+	}
 
 	const auto repaintByStatusAfter = _repaintByStatus.remainingTime();
 	auto repaintAfterMin = repaintByStatusAfter;
diff --git a/Telegram/SourceFiles/calls/calls.style b/Telegram/SourceFiles/calls/calls.style
index f4e7390e3..7588e7387 100644
--- a/Telegram/SourceFiles/calls/calls.style
+++ b/Telegram/SourceFiles/calls/calls.style
@@ -736,7 +736,7 @@ groupCallMemberRaisedHand: icon {{ "calls/group_calls_raised_hand", groupCallMem
 
 groupCallSettingsInner: IconButton(callButton) {
 	iconPosition: point(-1px, 22px);
-	icon: icon {{ "calls/call_settings", groupCallIconFg }};
+	icon: icon {{ "calls/calls_settings", groupCallIconFg }};
 	ripple: RippleAnimation(defaultRippleAnimation) {
 		color: callMuteRipple;
 	}
@@ -1022,3 +1022,5 @@ desktopCaptureSourceSkip: 12px;
 groupCallNarrowSkip: 9px;
 groupCallNarrowRowSkip: 8px;
 groupCallNarrowSize: size(90px, 90px);
+groupCallWideModeWidthMin: 800px;
+groupCallWideModeSize: size(960px, 520px);
diff --git a/Telegram/SourceFiles/calls/calls_call.cpp b/Telegram/SourceFiles/calls/calls_call.cpp
index 8f80c38b1..9a304d236 100644
--- a/Telegram/SourceFiles/calls/calls_call.cpp
+++ b/Telegram/SourceFiles/calls/calls_call.cpp
@@ -161,8 +161,12 @@ Call::Call(
 , _user(user)
 , _api(&_user->session().mtp())
 , _type(type)
-, _videoIncoming(std::make_unique<Webrtc::VideoTrack>(StartVideoState(video)))
-, _videoOutgoing(std::make_unique<Webrtc::VideoTrack>(StartVideoState(video))) {
+, _videoIncoming(
+	std::make_unique<Webrtc::VideoTrack>(
+		StartVideoState(video)))
+, _videoOutgoing(
+	std::make_unique<Webrtc::VideoTrack>(
+		StartVideoState(video))) {
 	_discardByTimeoutTimer.setCallback([=] { hangup(); });
 
 	if (_type == Type::Outgoing) {
diff --git a/Telegram/SourceFiles/calls/calls_call.h b/Telegram/SourceFiles/calls/calls_call.h
index c61015a8d..fec90fc4a 100644
--- a/Telegram/SourceFiles/calls/calls_call.h
+++ b/Telegram/SourceFiles/calls/calls_call.h
@@ -53,6 +53,11 @@ struct Error {
 	QString details;
 };
 
+enum class CallType {
+	Incoming,
+	Outgoing,
+};
+
 class Call : public base::has_weak_ptr {
 public:
 	class Delegate {
@@ -81,11 +86,12 @@ public:
 
 	static constexpr auto kSoundSampleMs = 100;
 
-	enum class Type {
-		Incoming,
-		Outgoing,
-	};
-	Call(not_null<Delegate*> delegate, not_null<UserData*> user, Type type, bool video);
+	using Type = CallType;
+	Call(
+		not_null<Delegate*> delegate,
+		not_null<UserData*> user,
+		Type type,
+		bool video);
 
 	[[nodiscard]] Type type() const {
 		return _type;
diff --git a/Telegram/SourceFiles/calls/calls_instance.cpp b/Telegram/SourceFiles/calls/calls_instance.cpp
index 9832b77a1..3722dad09 100644
--- a/Telegram/SourceFiles/calls/calls_instance.cpp
+++ b/Telegram/SourceFiles/calls/calls_instance.cpp
@@ -7,7 +7,10 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #include "calls/calls_instance.h"
 
+#include "calls/calls_call.h"
 #include "calls/group/calls_group_common.h"
+#include "calls/group/calls_choose_join_as.h"
+#include "calls/group/calls_group_call.h"
 #include "mtproto/mtproto_dh_utils.h"
 #include "core/application.h"
 #include "main/main_session.h"
@@ -41,9 +44,128 @@ namespace {
 
 constexpr auto kServerConfigUpdateTimeoutMs = 24 * 3600 * crl::time(1000);
 
+using CallSound = Call::Delegate::CallSound;
+using GroupCallSound = GroupCall::Delegate::GroupCallSound;
+
 } // namespace
 
-Instance::Instance() = default;
+class Instance::Delegate final
+	: public Call::Delegate
+	, public GroupCall::Delegate {
+public:
+	explicit Delegate(not_null<Instance*> instance);
+
+	DhConfig getDhConfig() const override;
+
+	void callFinished(not_null<Call*> call) override;
+	void callFailed(not_null<Call*> call) override;
+	void callRedial(not_null<Call*> call) override;
+	void callRequestPermissionsOrFail(
+		Fn<void()> onSuccess,
+		bool video) override;
+	void callPlaySound(CallSound sound) override;
+	auto callGetVideoCapture()
+		-> std::shared_ptr<tgcalls::VideoCaptureInterface> override;
+
+	void groupCallFinished(not_null<GroupCall*> call) override;
+	void groupCallFailed(not_null<GroupCall*> call) override;
+	void groupCallRequestPermissionsOrFail(Fn<void()> onSuccess) override;
+	void groupCallPlaySound(GroupCallSound sound) override;
+	auto groupCallGetVideoCapture(const QString &deviceId)
+		-> std::shared_ptr<tgcalls::VideoCaptureInterface> override;
+
+private:
+	const not_null<Instance*> _instance;
+
+};
+
+Instance::Delegate::Delegate(not_null<Instance*> instance)
+: _instance(instance) {
+}
+
+DhConfig Instance::Delegate::getDhConfig() const {
+	return *_instance->_cachedDhConfig;
+}
+
+void Instance::Delegate::callFinished(not_null<Call*> call) {
+	crl::on_main(call, [=] {
+		_instance->destroyCall(call);
+	});
+}
+
+void Instance::Delegate::callFailed(not_null<Call*> call) {
+	crl::on_main(call, [=] {
+		_instance->destroyCall(call);
+	});
+}
+
+void Instance::Delegate::callRedial(not_null<Call*> call) {
+	if (_instance->_currentCall.get() == call) {
+		_instance->refreshDhConfig();
+	}
+}
+
+void Instance::Delegate::callRequestPermissionsOrFail(
+		Fn<void()> onSuccess,
+		bool video) {
+	_instance->requestPermissionsOrFail(std::move(onSuccess), video);
+}
+
+void Instance::Delegate::callPlaySound(CallSound sound) {
+	_instance->playSoundOnce([&] {
+		switch (sound) {
+		case CallSound::Busy: return "call_busy";
+		case CallSound::Ended: return "call_end";
+		case CallSound::Connecting: return "call_connect";
+		}
+		Unexpected("CallSound in Instance::callPlaySound.");
+	}());
+}
+
+auto Instance::Delegate::callGetVideoCapture()
+-> std::shared_ptr<tgcalls::VideoCaptureInterface> {
+	return _instance->getVideoCapture();
+}
+
+void Instance::Delegate::groupCallFinished(not_null<GroupCall*> call) {
+	crl::on_main(call, [=] {
+		_instance->destroyGroupCall(call);
+	});
+}
+
+void Instance::Delegate::groupCallFailed(not_null<GroupCall*> call) {
+	crl::on_main(call, [=] {
+		_instance->destroyGroupCall(call);
+	});
+}
+
+void Instance::Delegate::groupCallRequestPermissionsOrFail(
+		Fn<void()> onSuccess) {
+	_instance->requestPermissionsOrFail(std::move(onSuccess), false);
+}
+
+void Instance::Delegate::groupCallPlaySound(GroupCallSound sound) {
+	_instance->playSoundOnce([&] {
+		switch (sound) {
+		case GroupCallSound::Started: return "group_call_start";
+		case GroupCallSound::Ended: return "group_call_end";
+		case GroupCallSound::AllowedToSpeak: return "group_call_allowed";
+		case GroupCallSound::Connecting: return "group_call_connect";
+		}
+		Unexpected("GroupCallSound in Instance::groupCallPlaySound.");
+	}());
+}
+
+auto Instance::Delegate::groupCallGetVideoCapture(const QString &deviceId)
+-> std::shared_ptr<tgcalls::VideoCaptureInterface> {
+	return _instance->getVideoCapture(deviceId);
+}
+
+Instance::Instance()
+: _delegate(std::make_unique<Delegate>(this))
+, _cachedDhConfig(std::make_unique<DhConfig>())
+, _chooseJoinAs(std::make_unique<Group::ChooseJoinAsProcess>()) {
+}
 
 Instance::~Instance() = default;
 
@@ -72,7 +194,7 @@ void Instance::startOrJoinGroupCall(
 		: peer->groupCall()
 		? Group::ChooseJoinAsProcess::Context::Join
 		: Group::ChooseJoinAsProcess::Context::Create;
-	_chooseJoinAs.start(peer, context, [=](object_ptr<Ui::BoxContent> box) {
+	_chooseJoinAs->start(peer, context, [=](object_ptr<Ui::BoxContent> box) {
 		Ui::show(std::move(box), Ui::LayerOption::KeepOther);
 	}, [=](QString text) {
 		Ui::Toast::Show(text);
@@ -85,36 +207,6 @@ void Instance::startOrJoinGroupCall(
 	});
 }
 
-void Instance::callFinished(not_null<Call*> call) {
-	crl::on_main(call, [=] {
-		destroyCall(call);
-	});
-}
-
-void Instance::callFailed(not_null<Call*> call) {
-	crl::on_main(call, [=] {
-		destroyCall(call);
-	});
-}
-
-void Instance::callRedial(not_null<Call*> call) {
-	if (_currentCall.get() == call) {
-		refreshDhConfig();
-	}
-}
-
-void Instance::groupCallFinished(not_null<GroupCall*> call) {
-	crl::on_main(call, [=] {
-		destroyGroupCall(call);
-	});
-}
-
-void Instance::groupCallFailed(not_null<GroupCall*> call) {
-	crl::on_main(call, [=] {
-		destroyGroupCall(call);
-	});
-}
-
 not_null<Media::Audio::Track*> Instance::ensureSoundLoaded(
 		const QString &key) {
 	const auto i = _tracks.find(key);
@@ -132,31 +224,6 @@ void Instance::playSoundOnce(const QString &key) {
 	ensureSoundLoaded(key)->playOnce();
 }
 
-void Instance::callPlaySound(CallSound sound) {
-	playSoundOnce([&] {
-		switch (sound) {
-		case CallSound::Busy: return "call_busy";
-		case CallSound::Ended: return "call_end";
-		case CallSound::Connecting: return "call_connect";
-		}
-		Unexpected("CallSound in Instance::callPlaySound.");
-		return "";
-	}());
-}
-
-void Instance::groupCallPlaySound(GroupCallSound sound) {
-	playSoundOnce([&] {
-		switch (sound) {
-		case GroupCallSound::Started: return "group_call_start";
-		case GroupCallSound::Ended: return "group_call_end";
-		case GroupCallSound::AllowedToSpeak: return "group_call_allowed";
-		case GroupCallSound::Connecting: return "group_call_connect";
-		}
-		Unexpected("GroupCallSound in Instance::groupCallPlaySound.");
-		return "";
-	}());
-}
-
 void Instance::destroyCall(not_null<Call*> call) {
 	if (_currentCall.get() == call) {
 		_currentCallPanel->closeBeforeDestroy();
@@ -174,7 +241,7 @@ void Instance::destroyCall(not_null<Call*> call) {
 }
 
 void Instance::createCall(not_null<UserData*> user, Call::Type type, bool video) {
-	auto call = std::make_unique<Call>(getCallDelegate(), user, type, video);
+	auto call = std::make_unique<Call>(_delegate.get(), user, type, video);
 	const auto raw = call.get();
 
 	user->session().account().sessionChanges(
@@ -217,7 +284,7 @@ void Instance::createGroupCall(
 	destroyCurrentCall();
 
 	auto call = std::make_unique<GroupCall>(
-		getGroupCallDelegate(),
+		_delegate.get(),
 		std::move(info),
 		inputCall);
 	const auto raw = call.get();
@@ -237,7 +304,7 @@ void Instance::refreshDhConfig() {
 
 	const auto weak = base::make_weak(_currentCall);
 	_currentCall->user()->session().api().request(MTPmessages_GetDhConfig(
-		MTP_int(_dhConfig.version),
+		MTP_int(_cachedDhConfig->version),
 		MTP_int(MTP::ModExpFirst::kRandomPowerSize)
 	)).done([=](const MTPmessages_DhConfig &result) {
 		const auto call = weak.get();
@@ -249,14 +316,14 @@ void Instance::refreshDhConfig() {
 			Assert(random.size() == MTP::ModExpFirst::kRandomPowerSize);
 			call->start(random);
 		} else {
-			callFailed(call);
+			_delegate->callFailed(call);
 		}
 	}).fail([=](const MTP::Error &error) {
 		const auto call = weak.get();
 		if (!call) {
 			return;
 		}
-		callFailed(call);
+		_delegate->callFailed(call);
 	}).send();
 }
 
@@ -277,13 +344,13 @@ bytes::const_span Instance::updateDhConfig(
 		} else if (!validRandom(data.vrandom().v)) {
 			return {};
 		}
-		_dhConfig.g = data.vg().v;
-		_dhConfig.p = std::move(primeBytes);
-		_dhConfig.version = data.vversion().v;
+		_cachedDhConfig->g = data.vg().v;
+		_cachedDhConfig->p = std::move(primeBytes);
+		_cachedDhConfig->version = data.vversion().v;
 		return bytes::make_span(data.vrandom().v);
 	}, [&](const MTPDmessages_dhConfigNotModified &data)
 	-> bytes::const_span {
-		if (!_dhConfig.g || _dhConfig.p.empty()) {
+		if (!_cachedDhConfig->g || _cachedDhConfig->p.empty()) {
 			LOG(("API Error: dhConfigNotModified on zero version."));
 			return {};
 		} else if (!validRandom(data.vrandom().v)) {
@@ -592,22 +659,19 @@ void Instance::requestPermissionOrFail(Platform::PermissionType type, Fn<void()>
 	}
 }
 
-std::shared_ptr<tgcalls::VideoCaptureInterface> Instance::callGetVideoCapture() {
-	return getVideoCapture();
-}
-
-std::shared_ptr<tgcalls::VideoCaptureInterface> Instance::groupCallGetVideoCapture() {
-	return getVideoCapture();
-}
-
-std::shared_ptr<tgcalls::VideoCaptureInterface> Instance::getVideoCapture() {
+std::shared_ptr<tgcalls::VideoCaptureInterface> Instance::getVideoCapture(
+		QString deviceId) {
+	if (deviceId.isEmpty()) {
+		deviceId = Core::App().settings().callVideoInputDeviceId();
+	}
 	if (auto result = _videoCapture.lock()) {
+		result->switchToDevice(deviceId.toStdString());
 		return result;
 	}
 	auto result = std::shared_ptr<tgcalls::VideoCaptureInterface>(
 		tgcalls::VideoCaptureInterface::Create(
 			tgcalls::StaticThreads::getThreads(),
-			Core::App().settings().callVideoInputDeviceId().toStdString()));
+			deviceId.toStdString()));
 	_videoCapture = result;
 	return result;
 }
diff --git a/Telegram/SourceFiles/calls/calls_instance.h b/Telegram/SourceFiles/calls/calls_instance.h
index 1c508c1d8..8b9c3536f 100644
--- a/Telegram/SourceFiles/calls/calls_instance.h
+++ b/Telegram/SourceFiles/calls/calls_instance.h
@@ -8,9 +8,6 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #pragma once
 
 #include "mtproto/sender.h"
-#include "calls/calls_call.h"
-#include "calls/group/calls_group_call.h"
-#include "calls/group/calls_choose_join_as.h"
 
 namespace Platform {
 enum class PermissionType;
@@ -27,17 +24,22 @@ class Session;
 namespace Calls::Group {
 struct JoinInfo;
 class Panel;
+class ChooseJoinAsProcess;
 } // namespace Calls::Group
 
+namespace tgcalls {
+class VideoCaptureInterface;
+} // namespace tgcalls
+
 namespace Calls {
 
+class Call;
+enum class CallType;
+class GroupCall;
 class Panel;
+struct DhConfig;
 
-class Instance
-	: private Call::Delegate
-	, private GroupCall::Delegate
-	, private base::Subscriber
-	, public base::has_weak_ptr {
+class Instance : private base::Subscriber, public base::has_weak_ptr {
 public:
 	Instance();
 	~Instance();
@@ -69,7 +71,8 @@ public:
 	bool activateCurrentCall(const QString &joinHash = QString());
 	bool minimizeCurrentActiveCall();
 	bool closeCurrentActiveCall();
-	std::shared_ptr<tgcalls::VideoCaptureInterface> getVideoCapture();
+	[[nodiscard]] auto getVideoCapture(QString deviceId = QString())
+		-> std::shared_ptr<tgcalls::VideoCaptureInterface>;
 	void requestPermissionsOrFail(Fn<void()> onSuccess, bool video = true);
 
 	void setCurrentAudioDevice(bool input, const QString &deviceId);
@@ -77,44 +80,13 @@ public:
 	[[nodiscard]] bool isQuitPrevent();
 
 private:
-	using CallSound = Call::Delegate::CallSound;
-	using GroupCallSound = GroupCall::Delegate::GroupCallSound;
-
-	[[nodiscard]] not_null<Call::Delegate*> getCallDelegate() {
-		return static_cast<Call::Delegate*>(this);
-	}
-	[[nodiscard]] not_null<GroupCall::Delegate*> getGroupCallDelegate() {
-		return static_cast<GroupCall::Delegate*>(this);
-	}
-	[[nodiscard]] DhConfig getDhConfig() const override {
-		return _dhConfig;
-	}
+	class Delegate;
+	friend class Delegate;
 
 	not_null<Media::Audio::Track*> ensureSoundLoaded(const QString &key);
 	void playSoundOnce(const QString &key);
 
-	void callFinished(not_null<Call*> call) override;
-	void callFailed(not_null<Call*> call) override;
-	void callRedial(not_null<Call*> call) override;
-	void callRequestPermissionsOrFail(
-			Fn<void()> onSuccess,
-			bool video) override {
-		requestPermissionsOrFail(std::move(onSuccess), video);
-	}
-	void callPlaySound(CallSound sound) override;
-	auto callGetVideoCapture()
-		->std::shared_ptr<tgcalls::VideoCaptureInterface> override;
-
-	void groupCallFinished(not_null<GroupCall*> call) override;
-	void groupCallFailed(not_null<GroupCall*> call) override;
-	void groupCallRequestPermissionsOrFail(Fn<void()> onSuccess) override {
-		requestPermissionsOrFail(std::move(onSuccess), false);
-	}
-	void groupCallPlaySound(GroupCallSound sound) override;
-	auto groupCallGetVideoCapture()
-		->std::shared_ptr<tgcalls::VideoCaptureInterface> override;
-
-	void createCall(not_null<UserData*> user, Call::Type type, bool video);
+	void createCall(not_null<UserData*> user, CallType type, bool video);
 	void destroyCall(not_null<Call*> call);
 
 	void createGroupCall(
@@ -141,7 +113,8 @@ private:
 		not_null<Main::Session*> session,
 		const MTPUpdate &update);
 
-	DhConfig _dhConfig;
+	const std::unique_ptr<Delegate> _delegate;
+	const std::unique_ptr<DhConfig> _cachedDhConfig;
 
 	crl::time _lastServerConfigUpdateTime = 0;
 	base::weak_ptr<Main::Session> _serverConfigRequestSession;
@@ -157,7 +130,7 @@ private:
 
 	base::flat_map<QString, std::unique_ptr<Media::Audio::Track>> _tracks;
 
-	Group::ChooseJoinAsProcess _chooseJoinAs;
+	const std::unique_ptr<Group::ChooseJoinAsProcess> _chooseJoinAs;
 
 };
 
diff --git a/Telegram/SourceFiles/calls/calls_top_bar.cpp b/Telegram/SourceFiles/calls/calls_top_bar.cpp
index f0725ecdf..8675e3b92 100644
--- a/Telegram/SourceFiles/calls/calls_top_bar.cpp
+++ b/Telegram/SourceFiles/calls/calls_top_bar.cpp
@@ -22,6 +22,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "calls/calls_call.h"
 #include "calls/calls_instance.h"
 #include "calls/calls_signal_bars.h"
+#include "calls/group/calls_group_call.h"
 #include "calls/group/calls_group_menu.h" // Group::LeaveBox.
 #include "history/view/history_view_group_call_tracker.h" // ContentByCall.
 #include "data/data_user.h"
diff --git a/Telegram/SourceFiles/calls/group/calls_group_call.cpp b/Telegram/SourceFiles/calls/group/calls_group_call.cpp
index 3f076471e..cc0b305b3 100644
--- a/Telegram/SourceFiles/calls/group/calls_group_call.cpp
+++ b/Telegram/SourceFiles/calls/group/calls_group_call.cpp
@@ -313,8 +313,8 @@ GroupCall::GroupCall(
 , _joinHash(info.joinHash)
 , _id(inputCall.c_inputGroupCall().vid().v)
 , _scheduleDate(info.scheduleDate)
-, _videoOutgoing(std::make_unique<Webrtc::VideoTrack>(
-	Webrtc::VideoState::Inactive))
+, _videoOutgoing(
+	std::make_unique<Webrtc::VideoTrack>(Webrtc::VideoState::Inactive))
 , _lastSpokeCheckTimer([=] { checkLastSpoke(); })
 , _checkJoinedTimer([=] { checkJoined(); })
 , _pushToTalkCancelTimer([=] { pushToTalkCancel(); })
@@ -402,6 +402,7 @@ void GroupCall::switchToCamera() {
 		return;
 	}
 	_videoDeviceId = _videoInputId;
+	if (_videoOutgoing)
 	_videoCapture->switchToDevice(_videoDeviceId.toStdString());
 }
 
@@ -1366,10 +1367,42 @@ void GroupCall::setupMediaDevices() {
 }
 
 void GroupCall::setupOutgoingVideo() {
-	_videoCapture = _delegate->groupCallGetVideoCapture();
-	_videoOutgoing->setState(Webrtc::VideoState::Active);
-	_videoCapture->setOutput(_videoOutgoing->sink());
 	_videoDeviceId = _videoInputId;
+	static const auto hasDevices = [] {
+		return !Webrtc::GetVideoInputList().empty();
+	};
+	const auto started = _videoOutgoing->state();
+	if (!hasDevices()) {
+		_videoOutgoing->setState(Webrtc::VideoState::Inactive);
+	}
+	_videoOutgoing->stateValue(
+	) | rpl::start_with_next([=](Webrtc::VideoState state) {
+		if (state != Webrtc::VideoState::Inactive && !hasDevices()) {
+			//_errors.fire({ ErrorType::NoCamera }); // #TODO videochats
+			_videoOutgoing->setState(Webrtc::VideoState::Inactive);
+		//} else if (state != Webrtc::VideoState::Inactive
+		//	&& _instance
+		//	&& !_instance->supportsVideo()) {
+		//	_errors.fire({ ErrorType::NotVideoCall });
+		//	_videoOutgoing->setState(Webrtc::VideoState::Inactive);
+		} else if (state != Webrtc::VideoState::Inactive) {
+			// Paused not supported right now.
+			Assert(state == Webrtc::VideoState::Active);
+			if (!_videoCapture) {
+				_videoCapture = _delegate->groupCallGetVideoCapture(
+					_videoDeviceId);
+				_videoCapture->setOutput(_videoOutgoing->sink());
+			} else {
+				_videoCapture->switchToDevice(_videoDeviceId.toStdString());
+			}
+			if (_instance) {
+				_instance->setVideoCapture(_videoCapture, nullptr);
+			}
+			_videoCapture->setState(tgcalls::VideoState::Active);
+		} else if (_videoCapture) {
+			_videoCapture->setState(tgcalls::VideoState::Inactive);
+		}
+	}, _lifetime);
 }
 
 void GroupCall::changeTitle(const QString &title) {
@@ -1424,6 +1457,7 @@ void GroupCall::ensureControllerCreated() {
 
 	const auto weak = base::make_weak(this);
 	const auto myLevel = std::make_shared<tgcalls::GroupLevelValue>();
+	_videoCall = true;
 	tgcalls::GroupInstanceDescriptor descriptor = {
 		.threads = tgcalls::StaticThreads::getThreads(),
 		.config = tgcalls::GroupConfig{
@@ -1451,13 +1485,10 @@ void GroupCall::ensureControllerCreated() {
 		.createAudioDeviceModule = Webrtc::AudioDeviceModuleCreator(
 			settings.callAudioBackend()),
 		.videoCapture = _videoCapture,
-		//.getVideoSource = [=] {
-		//	return _videoCapture->
-		//},
 		.incomingVideoSourcesUpdated = [=](
 				const std::vector<uint32_t> &ssrcs) {
 			crl::on_main(weak, [=] {
-				showVideoStreams(ssrcs);
+				setVideoStreams(ssrcs);
 			});
 		},
 		.participantDescriptionsRequired = [=](
@@ -1609,9 +1640,53 @@ void GroupCall::requestParticipantsInformation(
 	addPreparedParticipants();
 }
 
-void GroupCall::showVideoStreams(const std::vector<std::uint32_t> &ssrcs) {
+void GroupCall::setVideoStreams(const std::vector<std::uint32_t> &ssrcs) {
+	const auto large = _videoStreamLarge.current();
+	auto newLarge = large;
+	if (large && !ranges::contains(ssrcs, large)) {
+		newLarge = 0;
+		_videoStreamPinned = 0;
+	}
+	auto lastSpokeVoice = crl::time(0);
+	auto lastSpokeVoiceSsrc = uint32(0);
+	auto lastSpokeAnything = crl::time(0);
+	auto lastSpokeAnythingSsrc = uint32(0);
+	auto removed = _videoStreamSsrcs;
 	for (const auto ssrc : ssrcs) {
-		_videoStreamUpdated.fire_copy(ssrc);
+		const auto i = removed.find(ssrc);
+		if (i != end(removed)) {
+			removed.erase(i);
+		} else {
+			_videoStreamSsrcs.emplace(ssrc);
+			_streamsVideoUpdated.fire({ ssrc, true });
+		}
+		if (!newLarge) {
+			const auto j = _lastSpoke.find(ssrc);
+			if (j != end(_lastSpoke)) {
+				if (!lastSpokeVoiceSsrc
+					|| lastSpokeVoice < j->second.voice) {
+					lastSpokeVoiceSsrc = ssrc;
+					lastSpokeVoice = j->second.voice;
+				}
+				if (!lastSpokeAnythingSsrc
+					|| lastSpokeAnything < j->second.anything) {
+					lastSpokeAnythingSsrc = ssrc;
+					lastSpokeAnything = j->second.anything;
+				}
+			}
+		}
+	}
+	if (!newLarge) {
+		_videoStreamLarge = lastSpokeVoiceSsrc
+			? lastSpokeVoiceSsrc
+			: lastSpokeAnythingSsrc
+			? lastSpokeAnythingSsrc
+			: ssrcs.empty()
+			? 0
+			: ssrcs.front();
+	}
+	for (const auto ssrc : removed) {
+		_streamsVideoUpdated.fire({ ssrc, false });
 	}
 }
 
@@ -2035,45 +2110,6 @@ auto GroupCall::otherParticipantStateValue() const
 	return _otherParticipantStateValue.events();
 }
 
-//void GroupCall::setAudioVolume(bool input, float level) {
-//	if (_instance) {
-//		if (input) {
-//			_instance->setInputVolume(level);
-//		} else {
-//			_instance->setOutputVolume(level);
-//		}
-//	}
-//}
-
-void GroupCall::setAudioDuckingEnabled(bool enabled) {
-	if (_instance) {
-		//_instance->setAudioOutputDuckingEnabled(enabled);
-	}
-}
-
-void GroupCall::handleRequestError(const MTP::Error &error) {
-	//if (error.type() == qstr("USER_PRIVACY_RESTRICTED")) {
-	//	Ui::show(Box<InformBox>(tr::lng_call_error_not_available(tr::now, lt_user, _user->name)));
-	//} else if (error.type() == qstr("PARTICIPANT_VERSION_OUTDATED")) {
-	//	Ui::show(Box<InformBox>(tr::lng_call_error_outdated(tr::now, lt_user, _user->name)));
-	//} else if (error.type() == qstr("CALL_PROTOCOL_LAYER_INVALID")) {
-	//	Ui::show(Box<InformBox>(Lang::Hard::CallErrorIncompatible().replace("{user}", _user->name)));
-	//}
-	//finish(FinishType::Failed);
-}
-
-void GroupCall::handleControllerError(const QString &error) {
-	if (error == u"ERROR_INCOMPATIBLE"_q) {
-		//Ui::show(Box<InformBox>(
-		//	Lang::Hard::CallErrorIncompatible().replace(
-		//		"{user}",
-		//		_user->name)));
-	} else if (error == u"ERROR_AUDIO_IO"_q) {
-		//Ui::show(Box<InformBox>(tr::lng_call_error_audio_io(tr::now)));
-	}
-	//finish(FinishType::Failed);
-}
-
 MTPInputGroupCall GroupCall::inputCall() const {
 	Expects(_id != 0);
 
@@ -2084,9 +2120,6 @@ MTPInputGroupCall GroupCall::inputCall() const {
 
 void GroupCall::destroyController() {
 	if (_instance) {
-		//_instance->stop([](tgcalls::FinalState) {
-		//});
-
 		DEBUG_LOG(("Call Info: Destroying call controller.."));
 		_instance.reset();
 		DEBUG_LOG(("Call Info: Call controller destroyed."));
diff --git a/Telegram/SourceFiles/calls/group/calls_group_call.h b/Telegram/SourceFiles/calls/group/calls_group_call.h
index 0fa69f142..7c20314f0 100644
--- a/Telegram/SourceFiles/calls/group/calls_group_call.h
+++ b/Telegram/SourceFiles/calls/group/calls_group_call.h
@@ -74,6 +74,11 @@ struct LevelUpdate {
 	bool me = false;
 };
 
+struct StreamsVideoUpdate {
+	uint32 ssrc = 0;
+	bool streams = false;
+};
+
 struct VideoParams;
 
 [[nodiscard]] std::shared_ptr<VideoParams> ParseVideoParams(
@@ -100,7 +105,7 @@ public:
 			Ended,
 		};
 		virtual void groupCallPlaySound(GroupCallSound sound) = 0;
-		virtual auto groupCallGetVideoCapture()
+		virtual auto groupCallGetVideoCapture(const QString &deviceId)
 			-> std::shared_ptr<tgcalls::VideoCaptureInterface> = 0;
 	};
 
@@ -158,6 +163,13 @@ public:
 		return _muted.value();
 	}
 
+	[[nodiscard]] bool videoCall() const {
+		return _videoCall.current();
+	}
+	[[nodiscard]] rpl::producer<bool> videoCallValue() const {
+		return _videoCall.value();
+	}
+
 	[[nodiscard]] auto otherParticipantStateValue() const
 		-> rpl::producer<Group::ParticipantState>;
 
@@ -194,8 +206,15 @@ public:
 	[[nodiscard]] rpl::producer<LevelUpdate> levelUpdates() const {
 		return _levelUpdates.events();
 	}
-	[[nodiscard]] rpl::producer<uint32> videoStreamUpdated() const {
-		return _videoStreamUpdated.events();
+	[[nodiscard]] auto streamsVideoUpdates() const
+	-> rpl::producer<StreamsVideoUpdate> {
+		return _streamsVideoUpdated.events();
+	}
+	[[nodiscard]] uint32 videoStreamLarge() const {
+		return _videoStreamLarge.current();
+	}
+	[[nodiscard]] rpl::producer<uint32> videoStreamLargeValue() const {
+		return _videoStreamLarge.value();
 	}
 	[[nodiscard]] rpl::producer<Group::RejoinEvent> rejoinEvents() const {
 		return _rejoinEvents.events();
@@ -213,8 +232,6 @@ public:
 	bool isScreenSharing() const;
 	void switchToCamera();
 	void switchToScreenSharing(const QString &uniqueId);
-	//void setAudioVolume(bool input, float level);
-	void setAudioDuckingEnabled(bool enabled);
 
 	void toggleMute(const Group::MuteRequest &data);
 	void changeVolume(const Group::VolumeRequest &data);
@@ -264,8 +281,6 @@ private:
 	void handlePossibleDiscarded(const MTPDgroupCallDiscarded &data);
 	void handleUpdate(const MTPDupdateGroupCall &data);
 	void handleUpdate(const MTPDupdateGroupCallParticipants &data);
-	void handleRequestError(const MTP::Error &error);
-	void handleControllerError(const QString &error);
 	void ensureControllerCreated();
 	void destroyController();
 
@@ -304,7 +319,7 @@ private:
 		const Data::GroupCallParticipant &participant);
 	void addPreparedParticipants();
 	void addPreparedParticipantsDelayed();
-	void showVideoStreams(const std::vector<std::uint32_t> &ssrcs);
+	void setVideoStreams(const std::vector<std::uint32_t> &ssrcs);
 
 	void editParticipant(
 		not_null<PeerData*> participantPeer,
@@ -347,6 +362,7 @@ private:
 	QString _joinHash;
 
 	rpl::variable<MuteState> _muted = MuteState::Muted;
+	rpl::variable<bool> _videoCall = false;
 	bool _initialMuteStateSent = false;
 	bool _acceptFields = false;
 
@@ -365,7 +381,10 @@ private:
 	std::shared_ptr<tgcalls::VideoCaptureInterface> _videoCapture;
 	const std::unique_ptr<Webrtc::VideoTrack> _videoOutgoing;
 	rpl::event_stream<LevelUpdate> _levelUpdates;
-	rpl::event_stream<uint32> _videoStreamUpdated;
+	rpl::event_stream<StreamsVideoUpdate> _streamsVideoUpdated;
+	base::flat_set<uint32> _videoStreamSsrcs;
+	rpl::variable<uint32> _videoStreamLarge = 0;
+	uint32 _videoStreamPinned = 0;
 	base::flat_map<uint32, Data::LastSpokeTimes> _lastSpoke;
 	rpl::event_stream<Group::RejoinEvent> _rejoinEvents;
 	rpl::event_stream<> _allowedToSpeakNotifications;
diff --git a/Telegram/SourceFiles/calls/group/calls_group_common.h b/Telegram/SourceFiles/calls/group/calls_group_common.h
index 0cfa4d9fe..56861b193 100644
--- a/Telegram/SourceFiles/calls/group/calls_group_common.h
+++ b/Telegram/SourceFiles/calls/group/calls_group_common.h
@@ -47,4 +47,9 @@ struct JoinInfo {
 	TimeId scheduleDate = 0;
 };
 
+enum class PanelMode {
+	Default,
+	Wide,
+};
+
 } // namespace Calls::Group
diff --git a/Telegram/SourceFiles/calls/group/calls_group_members.cpp b/Telegram/SourceFiles/calls/group/calls_group_members.cpp
index e5317d777..38ddf3e6b 100644
--- a/Telegram/SourceFiles/calls/group/calls_group_members.cpp
+++ b/Telegram/SourceFiles/calls/group/calls_group_members.cpp
@@ -143,6 +143,7 @@ public:
 	}
 
 	[[nodiscard]] not_null<Webrtc::VideoTrack*> createVideoTrack();
+	void clearVideoTrack();
 	void setVideoTrack(not_null<Webrtc::VideoTrack*> track);
 
 	void addActionRipple(QPoint point, Fn<void()> updateCallback) override;
@@ -352,12 +353,14 @@ private:
 		not_null<Row*> row,
 		uint64 raiseHandRating) const;
 	Row *findRow(not_null<PeerData*> participantPeer) const;
+	Row *findRow(uint32 audioSsrc) const;
 
 	void appendInvitedUsers();
 	void scheduleRaisedHandStatusRemove();
 
 	const not_null<GroupCall*> _call;
 	not_null<PeerData*> _peer;
+	uint32 _largeSsrc = 0;
 	bool _prepared = false;
 
 	rpl::event_stream<MuteRequest> _toggleMuteRequests;
@@ -926,6 +929,13 @@ not_null<Webrtc::VideoTrack*> Row::createVideoTrack() {
 	return _videoTrack.get();
 }
 
+void Row::clearVideoTrack() {
+	_videoTrackLifetime.destroy();
+	_videoTrackShown = nullptr;
+	_videoTrack = nullptr;
+	_delegate->rowUpdateRow(this);
+}
+
 void Row::setVideoTrack(not_null<Webrtc::VideoTrack*> track) {
 	_videoTrackLifetime.destroy();
 	_videoTrackShown = track;
@@ -1043,17 +1053,29 @@ void MembersController::setupListChangeViewers() {
 		}
 	}, _lifetime);
 
-	_call->videoStreamUpdated(
-	) | rpl::start_with_next([=](uint32 ssrc) {
-		const auto real = _call->lookupReal();
-		const auto participantPeer = real
-			? real->participantPeerByAudioSsrc(ssrc)
-			: nullptr;
-		const auto row = participantPeer
-			? findRow(participantPeer)
-			: nullptr;
-		if (row) {
-			_call->addVideoOutput(ssrc, row->createVideoTrack());
+
+	_call->videoStreamLargeValue(
+	) | rpl::filter([=](uint32 largeSsrc) {
+		return (_largeSsrc != largeSsrc);
+	}) | rpl::start_with_next([=](uint32 largeSsrc) {
+		if (const auto row = findRow(_largeSsrc)) {
+			_call->addVideoOutput(_largeSsrc, row->createVideoTrack());
+		}
+		_largeSsrc = largeSsrc;
+		if (const auto row = findRow(_largeSsrc)) {
+			row->clearVideoTrack();
+		}
+	}, _lifetime);
+
+	_call->streamsVideoUpdates(
+	) | rpl::start_with_next([=](StreamsVideoUpdate update) {
+		Assert(update.ssrc != _largeSsrc);
+		if (const auto row = findRow(update.ssrc)) {
+			if (update.streams) {
+				_call->addVideoOutput(update.ssrc, row->createVideoTrack());
+			} else {
+				row->clearVideoTrack();
+			}
 		}
 	}, _lifetime);
 
@@ -1345,8 +1367,6 @@ void MembersController::updateRow(
 		}
 		if (isMe(row->peer())) {
 			row->setVideoTrack(_call->outgoingVideoTrack());
-		} else if (nowSsrc) {
-			_call->addVideoOutput(nowSsrc, row->createVideoTrack());
 		}
 	}
 	const auto nowNoSounding = _soundingRowBySsrc.empty();
@@ -1378,6 +1398,17 @@ Row *MembersController::findRow(not_null<PeerData*> participantPeer) const {
 		delegate()->peerListFindRow(participantPeer->id.value));
 }
 
+Row *MembersController::findRow(uint32 audioSsrc) const {
+	if (!audioSsrc) {
+		return nullptr;
+	}
+	const auto real = _call->lookupReal();
+	const auto participantPeer = real
+		? real->participantPeerByAudioSsrc(audioSsrc)
+		: nullptr;
+	return participantPeer ? findRow(participantPeer) : nullptr;
+}
+
 Main::Session &MembersController::session() const {
 	return _call->peer()->session();
 }
@@ -1943,8 +1974,11 @@ int Members::desiredHeight() const {
 		return 0;
 	}();
 	const auto use = std::max(count, _list->fullRowsCount());
+	const auto single = (_mode == PanelMode::Wide)
+		? (st::groupCallNarrowSize.height() + st::groupCallNarrowRowSkip)
+		: st::groupCallMembersList.item.height;
 	return top
-		+ (use * st::groupCallMembersList.item.height)
+		+ (use * single)
 		+ (use ? st::lineWidth : 0);
 }
 
@@ -2008,6 +2042,16 @@ void Members::setupAddMember(not_null<GroupCall*> call) {
 	}, lifetime());
 }
 
+void Members::setMode(PanelMode mode) {
+	if (_mode == mode) {
+		return;
+	}
+	_mode = mode;
+	_list->setMode((_mode == PanelMode::Wide)
+		? PeerListContent::Mode::Custom
+		: PeerListContent::Mode::Default);
+}
+
 rpl::producer<int> Members::fullCountValue() const {
 	return static_cast<MembersController*>(
 		_listController.get())->fullCountValue();
diff --git a/Telegram/SourceFiles/calls/group/calls_group_members.h b/Telegram/SourceFiles/calls/group/calls_group_members.h
index 20064879c..6a4d5ad2c 100644
--- a/Telegram/SourceFiles/calls/group/calls_group_members.h
+++ b/Telegram/SourceFiles/calls/group/calls_group_members.h
@@ -26,6 +26,7 @@ namespace Calls::Group {
 
 struct VolumeRequest;
 struct MuteRequest;
+enum class PanelMode;
 
 class Members final
 	: public Ui::RpWidget
@@ -48,6 +49,8 @@ public:
 		return _addMemberRequests.events();
 	}
 
+	void setMode(PanelMode mode);
+
 private:
 	using ListWidget = PeerListContent;
 
@@ -76,6 +79,7 @@ private:
 	void updateControlsGeometry();
 
 	const not_null<GroupCall*> _call;
+	PanelMode _mode = PanelMode();
 	object_ptr<Ui::ScrollArea> _scroll;
 	std::unique_ptr<PeerListController> _listController;
 	object_ptr<Ui::SettingsButton> _addMember = { nullptr };
diff --git a/Telegram/SourceFiles/calls/group/calls_group_panel.cpp b/Telegram/SourceFiles/calls/group/calls_group_panel.cpp
index 7b7485d9f..4a1dfcb0d 100644
--- a/Telegram/SourceFiles/calls/group/calls_group_panel.cpp
+++ b/Telegram/SourceFiles/calls/group/calls_group_panel.cpp
@@ -525,6 +525,11 @@ void Panel::initWindow() {
 			? (Flag::Move | Flag::Maximize)
 			: Flag::None;
 	});
+
+	_call->videoCallValue(
+	) | rpl::start_with_next([=] {
+		updateMode();
+	}, _window->lifetime());
 }
 
 void Panel::initWidget() {
@@ -536,8 +541,10 @@ void Panel::initWidget() {
 	}, widget()->lifetime());
 
 	widget()->sizeValue(
-	) | rpl::skip(1) | rpl::start_with_next([=] {
-		updateControlsGeometry();
+	) | rpl::skip(1) | rpl::start_with_next([=](QSize size) {
+		if (!updateMode()) {
+			updateControlsGeometry();
+		}
 
 		// title geometry depends on _controls->geometry,
 		// which is not updated here yet.
@@ -1384,6 +1391,21 @@ QRect Panel::computeTitleRect() const {
 #endif // !Q_OS_MAC
 }
 
+bool Panel::updateMode() {
+	const auto wide = _call->videoCall()
+		&& (widget()->width() >= st::groupCallWideModeWidthMin);
+	const auto mode = wide ? PanelMode::Wide : PanelMode::Default;
+	if (_mode == mode) {
+		return false;
+	}
+	_mode = mode;
+	if (_members) {
+		_members->setMode(mode);
+	}
+	updateControlsGeometry();
+	return true;
+}
+
 void Panel::updateControlsGeometry() {
 	if (widget()->size().isEmpty() || (!_settings && !_share)) {
 		return;
@@ -1434,27 +1456,35 @@ void Panel::updateMembersGeometry() {
 	if (!_members) {
 		return;
 	}
-	const auto muteTop = widget()->height() - st::groupCallMuteBottomSkip;
-	const auto membersTop = st::groupCallMembersTop;
-	const auto availableHeight = muteTop
-		- membersTop
-		- st::groupCallMembersMargin.bottom();
 	const auto desiredHeight = _members->desiredHeight();
-	const auto membersWidthAvailable = widget()->width()
-		- st::groupCallMembersMargin.left()
-		- st::groupCallMembersMargin.right();
-	const auto membersWidthMin = st::groupCallWidth
-		- st::groupCallMembersMargin.left()
-		- st::groupCallMembersMargin.right();
-	const auto membersWidth = std::clamp(
-		membersWidthAvailable,
-		membersWidthMin,
-		st::groupCallMembersWidthMax);
-	_members->setGeometry(
-		(widget()->width() - membersWidth) / 2,
-		membersTop,
-		membersWidth,
-		std::min(desiredHeight, availableHeight));
+	if (_mode == PanelMode::Wide) {
+		_members->setGeometry(
+			st::groupCallNarrowSkip,
+			0,
+			st::groupCallNarrowSize.width(),
+			std::min(desiredHeight, widget()->height()));
+	} else {
+		const auto muteTop = widget()->height() - st::groupCallMuteBottomSkip;
+		const auto membersTop = st::groupCallMembersTop;
+		const auto availableHeight = muteTop
+			- membersTop
+			- st::groupCallMembersMargin.bottom();
+		const auto membersWidthAvailable = widget()->width()
+			- st::groupCallMembersMargin.left()
+			- st::groupCallMembersMargin.right();
+		const auto membersWidthMin = st::groupCallWidth
+			- st::groupCallMembersMargin.left()
+			- st::groupCallMembersMargin.right();
+		const auto membersWidth = std::clamp(
+			membersWidthAvailable,
+			membersWidthMin,
+			st::groupCallMembersWidthMax);
+		_members->setGeometry(
+			(widget()->width() - membersWidth) / 2,
+			membersTop,
+			membersWidth,
+			std::min(desiredHeight, availableHeight));
+	}
 }
 
 void Panel::refreshTitle() {
diff --git a/Telegram/SourceFiles/calls/group/calls_group_panel.h b/Telegram/SourceFiles/calls/group/calls_group_panel.h
index 2ae20b525..51e23a5f7 100644
--- a/Telegram/SourceFiles/calls/group/calls_group_panel.h
+++ b/Telegram/SourceFiles/calls/group/calls_group_panel.h
@@ -53,6 +53,7 @@ struct CallBodyLayout;
 namespace Calls::Group {
 
 class Members;
+enum class PanelMode;
 
 class Panel final : private Ui::DesktopCapture::ChooseSourceDelegate {
 public:
@@ -88,6 +89,7 @@ private:
 	bool handleClose();
 	void startScheduledNow();
 
+	bool updateMode();
 	void updateControlsGeometry();
 	void updateMembersGeometry();
 	void showControls();
@@ -118,6 +120,7 @@ private:
 
 	const std::unique_ptr<Ui::Window> _window;
 	const std::unique_ptr<Ui::LayerManager> _layerBg;
+	PanelMode _mode = PanelMode();
 
 #ifndef Q_OS_MAC
 	std::unique_ptr<Ui::Platform::TitleControls> _controls;
diff --git a/Telegram/SourceFiles/mainwidget.cpp b/Telegram/SourceFiles/mainwidget.cpp
index fd3b0f86a..6e82e6323 100644
--- a/Telegram/SourceFiles/mainwidget.cpp
+++ b/Telegram/SourceFiles/mainwidget.cpp
@@ -93,8 +93,10 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "core/application.h"
 #include "core/changelogs.h"
 #include "base/unixtime.h"
+#include "calls/calls_call.h"
 #include "calls/calls_instance.h"
 #include "calls/calls_top_bar.h"
+#include "calls/group/calls_group_call.h"
 #include "export/export_settings.h"
 #include "export/export_manager.h"
 #include "export/view/export_view_top_bar.h"
diff --git a/Telegram/SourceFiles/settings/settings_calls.cpp b/Telegram/SourceFiles/settings/settings_calls.cpp
index 189f2bbc5..fe7220728 100644
--- a/Telegram/SourceFiles/settings/settings_calls.cpp
+++ b/Telegram/SourceFiles/settings/settings_calls.cpp
@@ -25,6 +25,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "window/window_session_controller.h"
 #include "core/application.h"
 #include "core/core_settings.h"
+#include "calls/calls_call.h"
 #include "calls/calls_instance.h"
 #include "calls/calls_video_bubble.h"
 #include "webrtc/webrtc_media_devices.h"
@@ -250,40 +251,6 @@ void Calls::setupContent() {
 	AddSkip(content);
 	AddSubsectionTitle(content, tr::lng_settings_call_section_other());
 
-//#if defined Q_OS_MAC && !defined OS_MAC_STORE
-//	AddButton(
-//		content,
-//		tr::lng_settings_call_audio_ducking(),
-//		st::settingsButton
-//	)->toggleOn(
-//		rpl::single(settings.callAudioDuckingEnabled())
-//	)->toggledValue() | rpl::filter([](bool enabled) {
-//		return (enabled != Core::App().settings().callAudioDuckingEnabled());
-//	}) | rpl::start_with_next([=](bool enabled) {
-//		Core::App().settings().setCallAudioDuckingEnabled(enabled);
-//		Core::App().saveSettingsDelayed();
-//		if (const auto call = Core::App().calls().currentCall()) {
-//			call->setAudioDuckingEnabled(enabled);
-//		}
-//	}, content->lifetime());
-//#endif // Q_OS_MAC && !OS_MAC_STORE
-
-	//const auto backend = [&]() -> QString {
-	//	using namespace Webrtc;
-	//	switch (settings.callAudioBackend()) {
-	//	case Backend::OpenAL: return "OpenAL";
-	//	case Backend::ADM: return "WebRTC ADM";
-	//	case Backend::ADM2: return "WebRTC ADM2";
-	//	}
-	//	Unexpected("Value in backend.");
-	//}();
-	//AddButton(
-	//	content,
-	//	rpl::single("Call audio backend: " + backend),
-	//	st::settingsButton
-	//)->addClickHandler([] {
-	//	Ui::show(ChooseAudioBackendBox());
-	//});
 	AddButton(
 		content,
 		tr::lng_settings_call_accept_calls(),
diff --git a/Telegram/SourceFiles/window/window_session_controller.cpp b/Telegram/SourceFiles/window/window_session_controller.cpp
index 84c00409a..cf923bbc3 100644
--- a/Telegram/SourceFiles/window/window_session_controller.cpp
+++ b/Telegram/SourceFiles/window/window_session_controller.cpp
@@ -42,6 +42,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/toast/toast.h"
 #include "ui/toasts/common_toasts.h"
 #include "calls/calls_instance.h" // Core::App().calls().inCall().
+#include "calls/group/calls_group_call.h"
 #include "ui/boxes/calendar_box.h"
 #include "boxes/confirm_box.h"
 #include "mainwidget.h"