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Copy pathcalls_group_call.cpp
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4377 lines (4032 loc) · 120 KB
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/*
This file is part of Telegram Desktop,
the official desktop application for the Telegram messaging service.
For license and copyright information please follow this link:
https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
*/
#include "calls/group/calls_group_call.h"
#include "calls/group/calls_group_common.h"
#include "calls/group/calls_group_messages.h"
#include "calls/calls_instance.h"
#include "main/session/session_show.h"
#include "main/main_app_config.h"
#include "main/main_session.h"
#include "api/api_send_progress.h"
#include "api/api_updates.h"
#include "apiwrap.h"
#include "lang/lang_keys.h"
#include "lang/lang_hardcoded.h"
#include "boxes/peers/edit_participants_box.h" // SubscribeToMigration.
#include "ui/text/text_utilities.h"
#include "ui/toast/toast.h"
#include "ui/ui_utility.h"
#include "base/unixtime.h"
#include "core/application.h"
#include "core/core_settings.h"
#include "data/data_changes.h"
#include "data/data_user.h"
#include "data/data_chat.h"
#include "data/data_channel.h"
#include "data/data_group_call.h"
#include "data/data_peer_values.h"
#include "data/data_session.h"
#include "base/global_shortcuts.h"
#include "base/random.h"
#include "tde2e/tde2e_api.h"
#include "tde2e/tde2e_integration.h"
#include "webrtc/webrtc_video_track.h"
#include "webrtc/webrtc_create_adm.h"
#include "webrtc/webrtc_environment.h"
#include <tgcalls/group/GroupInstanceCustomImpl.h>
#include <tgcalls/VideoCaptureInterface.h>
#include <tgcalls/StaticThreads.h>
#include <QtCore/QJsonDocument>
#include <QtCore/QJsonObject>
#include <QtCore/QJsonArray>
namespace Calls {
namespace {
constexpr auto kMaxInvitePerSlice = 10;
constexpr auto kCheckLastSpokeInterval = crl::time(1000);
constexpr auto kCheckJoinedTimeout = 4 * crl::time(1000);
constexpr auto kUpdateSendActionEach = crl::time(500);
constexpr auto kPlayConnectingEach = crl::time(1056) + 2 * crl::time(1000);
constexpr auto kFixManualLargeVideoDuration = 5 * crl::time(1000);
constexpr auto kFixSpeakingLargeVideoDuration = 3 * crl::time(1000);
constexpr auto kFullAsMediumsCount = 4; // 1 Full is like 4 Mediums.
constexpr auto kMaxMediumQualities = 16; // 4 Fulls or 16 Mediums.
constexpr auto kShortPollChainBlocksPerRequest = 50;
[[nodiscard]] const Data::GroupCallParticipant *LookupParticipant(
not_null<GroupCall*> call,
not_null<PeerData*> participantPeer) {
const auto real = call->lookupReal();
return real ? real->participantByPeer(participantPeer) : nullptr;
}
[[nodiscard]] double TimestampFromMsgId(mtpMsgId msgId) {
return msgId / double(1ULL << 32);
}
[[nodiscard]] int64 TimestampInMsFromMsgId(mtpMsgId msgId) {
// return (msgId * 1000) / (1ULL << 32); // Almost... But this overflows.
return ((msgId / (1ULL << 10)) * 1000) / (1ULL << 22);
}
[[nodiscard]] uint64 FindLocalRaisedHandRating(
const std::vector<Data::GroupCallParticipant> &list) {
const auto i = ranges::max_element(
list,
ranges::less(),
&Data::GroupCallParticipant::raisedHandRating);
return (i == end(list)) ? 1 : (i->raisedHandRating + 1);
}
struct JoinVideoEndpoint {
std::string id;
};
struct JoinBroadcastStream {
bool rtmp = false;
Group::RtmpInfo rtmpInfo;
};
using JoinClientFields = std::variant<
v::null_t,
JoinVideoEndpoint,
JoinBroadcastStream>;
[[nodiscard]] JoinClientFields ParseJoinResponse(const QByteArray &json) {
auto error = QJsonParseError{ 0, QJsonParseError::NoError };
const auto document = QJsonDocument::fromJson(json, &error);
if (error.error != QJsonParseError::NoError) {
LOG(("API Error: "
"Failed to parse join response params, error: %1."
).arg(error.errorString()));
return {};
} else if (!document.isObject()) {
LOG(("API Error: "
"Not an object received in join response params."));
return {};
}
if (document.object().value("stream").toBool()) {
return JoinBroadcastStream{
.rtmp = document.object().value("rtmp").toBool(),
.rtmpInfo = {
.url = document.object().value("rtmp_stream_url").toString(),
.key = document.object().value("rtmp_stream_key").toString(),
},
};
}
const auto video = document.object().value("video").toObject();
return JoinVideoEndpoint{
video.value("endpoint").toString().toStdString(),
};
}
[[nodiscard]] const std::string &EmptyString() {
static const auto result = std::string();
return result;
}
} // namespace
class GroupCall::LoadPartTask final : public tgcalls::BroadcastPartTask {
public:
using Quality = tgcalls::VideoChannelDescription::Quality;
LoadPartTask(
base::weak_ptr<GroupCall> call,
int64 time,
int64 period,
Fn<void(tgcalls::BroadcastPart&&)> done);
LoadPartTask(
base::weak_ptr<GroupCall> call,
int64 time,
int64 period,
int32 videoChannel,
Quality videoQuality,
Fn<void(tgcalls::BroadcastPart&&)> done);
[[nodiscard]] int64 time() const {
return _time;
}
[[nodiscard]] int32 scale() const {
return _scale;
}
[[nodiscard]] int32 videoChannel() const {
return _videoChannel;
}
[[nodiscard]] Quality videoQuality() const {
return _videoQuality;
}
void done(tgcalls::BroadcastPart &&part);
void cancel() override;
private:
const base::weak_ptr<GroupCall> _call;
const int64 _time = 0;
const int32 _scale = 0;
const int32 _videoChannel = 0;
const Quality _videoQuality = {};
Fn<void(tgcalls::BroadcastPart &&)> _done;
QMutex _mutex;
};
class GroupCall::MediaChannelDescriptionsTask final
: public tgcalls::RequestMediaChannelDescriptionTask {
public:
MediaChannelDescriptionsTask(
base::weak_ptr<GroupCall> call,
const std::vector<std::uint32_t> &ssrcs,
Fn<void(std::vector<tgcalls::MediaChannelDescription>&&)> done);
[[nodiscard]] base::flat_set<uint32> ssrcs() const;
[[nodiscard]] bool finishWithAdding(
uint32 ssrc,
std::optional<tgcalls::MediaChannelDescription> description,
bool screen = false);
void cancel() override;
private:
const base::weak_ptr<GroupCall> _call;
base::flat_set<uint32> _ssrcs;
base::flat_set<uint32> _cameraAdded;
base::flat_set<uint32> _screenAdded;
std::vector<tgcalls::MediaChannelDescription> _result;
Fn<void(std::vector<tgcalls::MediaChannelDescription>&&)> _done;
QMutex _mutex;
};
class GroupCall::RequestCurrentTimeTask final
: public tgcalls::BroadcastPartTask {
public:
RequestCurrentTimeTask(
base::weak_ptr<GroupCall> call,
Fn<void(int64)> done);
void done(int64 value);
void cancel() override;
private:
const base::weak_ptr<GroupCall> _call;
Fn<void(int64)> _done;
QMutex _mutex;
};
struct GroupCall::SinkPointer {
std::weak_ptr<Webrtc::SinkInterface> data;
};
struct GroupCall::VideoTrack {
VideoTrack(bool paused, bool requireARGB32, not_null<PeerData*> peer);
Webrtc::VideoTrack track;
rpl::variable<QSize> trackSize;
not_null<PeerData*> peer;
rpl::lifetime lifetime;
Group::VideoQuality quality = Group::VideoQuality();
bool shown = false;
};
GroupCall::VideoTrack::VideoTrack(
bool paused,
bool requireARGB32,
not_null<PeerData*> peer)
: track((paused
? Webrtc::VideoState::Paused
: Webrtc::VideoState::Active),
requireARGB32)
, peer(peer) {
}
[[nodiscard]] bool IsGroupCallAdmin(
not_null<PeerData*> peer,
not_null<PeerData*> participantPeer) {
const auto user = participantPeer->asUser();
if (!user) {
return (peer == participantPeer);
}
if (const auto chat = peer->asChat()) {
return chat->admins.contains(user)
|| (chat->creator == peerToUser(user->id));
} else if (const auto group = peer->asChannel()) {
if (const auto mgInfo = group->mgInfo.get()) {
if (mgInfo->creator == user) {
return true;
}
const auto i = mgInfo->lastAdmins.find(user);
if (i == mgInfo->lastAdmins.end()) {
return false;
}
return (i->second.rights.flags & ChatAdminRight::ManageCall);
}
}
return false;
}
bool VideoEndpoint::rtmp() const noexcept {
return (id == Data::RtmpEndpointId());
}
struct VideoParams {
std::string endpointId;
std::vector<tgcalls::MediaSsrcGroup> ssrcGroups;
uint32 additionalSsrc = 0;
bool paused = false;
[[nodiscard]] bool empty() const {
return !additionalSsrc && (endpointId.empty() || ssrcGroups.empty());
}
[[nodiscard]] explicit operator bool() const {
return !empty();
}
};
struct ParticipantVideoParams {
VideoParams camera;
VideoParams screen;
};
[[nodiscard]] bool VideoParamsAreEqual(
const VideoParams &was,
const tl::conditional<MTPGroupCallParticipantVideo> &now) {
if (!now) {
return !was;
}
return now->match([&](const MTPDgroupCallParticipantVideo &data) {
if (data.is_paused() != was.paused
|| data.vaudio_source().value_or_empty() != was.additionalSsrc) {
return false;
}
if (gsl::make_span(data.vendpoint().v)
!= gsl::make_span(was.endpointId)) {
return false;
}
const auto &list = data.vsource_groups().v;
if (list.size() != was.ssrcGroups.size()) {
return false;
}
auto index = 0;
for (const auto &group : list) {
const auto equal = group.match([&](
const MTPDgroupCallParticipantVideoSourceGroup &data) {
const auto &group = was.ssrcGroups[index++];
if (gsl::make_span(data.vsemantics().v)
!= gsl::make_span(group.semantics)) {
return false;
}
const auto list = data.vsources().v;
if (list.size() != group.ssrcs.size()) {
return false;
}
auto i = 0;
for (const auto &ssrc : list) {
if (ssrc.v != group.ssrcs[i++]) {
return false;
}
}
return true;
});
if (!equal) {
return false;
}
}
return true;
});
}
[[nodiscard]] VideoParams ParseVideoParams(
const tl::conditional<MTPGroupCallParticipantVideo> ¶ms) {
if (!params) {
return VideoParams();
}
auto result = VideoParams();
params->match([&](const MTPDgroupCallParticipantVideo &data) {
result.paused = data.is_paused();
result.endpointId = data.vendpoint().v.toStdString();
result.additionalSsrc = data.vaudio_source().value_or_empty();
const auto &list = data.vsource_groups().v;
result.ssrcGroups.reserve(list.size());
for (const auto &group : list) {
group.match([&](
const MTPDgroupCallParticipantVideoSourceGroup &data) {
const auto &list = data.vsources().v;
auto ssrcs = std::vector<uint32_t>();
ssrcs.reserve(list.size());
for (const auto &ssrc : list) {
ssrcs.push_back(ssrc.v);
}
result.ssrcGroups.push_back({
.semantics = data.vsemantics().v.toStdString(),
.ssrcs = std::move(ssrcs),
});
});
}
});
return result;
}
const std::string &GetCameraEndpoint(
const std::shared_ptr<ParticipantVideoParams> ¶ms) {
return params ? params->camera.endpointId : EmptyString();
}
const std::string &GetScreenEndpoint(
const std::shared_ptr<ParticipantVideoParams> ¶ms) {
return params ? params->screen.endpointId : EmptyString();
}
bool IsCameraPaused(const std::shared_ptr<ParticipantVideoParams> ¶ms) {
return params && params->camera.paused;
}
bool IsScreenPaused(const std::shared_ptr<ParticipantVideoParams> ¶ms) {
return params && params->screen.paused;
}
uint32 GetAdditionalAudioSsrc(
const std::shared_ptr<ParticipantVideoParams> ¶ms) {
return params ? params->screen.additionalSsrc : 0;
}
std::shared_ptr<ParticipantVideoParams> ParseVideoParams(
const tl::conditional<MTPGroupCallParticipantVideo> &camera,
const tl::conditional<MTPGroupCallParticipantVideo> &screen,
const std::shared_ptr<ParticipantVideoParams> &existing) {
using namespace tgcalls;
if (!camera && !screen) {
return nullptr;
}
if (existing
&& VideoParamsAreEqual(existing->camera, camera)
&& VideoParamsAreEqual(existing->screen, screen)) {
return existing;
}
// We don't reuse existing pointer, that way we can compare pointers
// to see if anything was changed in video params.
const auto data = /*existing
? existing
: */std::make_shared<ParticipantVideoParams>();
data->camera = ParseVideoParams(camera);
data->screen = ParseVideoParams(screen);
return data;
}
GroupCall::LoadPartTask::LoadPartTask(
base::weak_ptr<GroupCall> call,
int64 time,
int64 period,
Fn<void(tgcalls::BroadcastPart&&)> done)
: LoadPartTask(std::move(call), time, period, 0, {}, std::move(done)) {
}
GroupCall::LoadPartTask::LoadPartTask(
base::weak_ptr<GroupCall> call,
int64 time,
int64 period,
int32 videoChannel,
tgcalls::VideoChannelDescription::Quality videoQuality,
Fn<void(tgcalls::BroadcastPart&&)> done)
: _call(std::move(call))
, _time(time ? time : (base::unixtime::now() * int64(1000)))
, _scale([&] {
switch (period) {
case 1000: return 0;
case 500: return 1;
case 250: return 2;
case 125: return 3;
}
Unexpected("Period in LoadPartTask.");
}())
, _videoChannel(videoChannel)
, _videoQuality(videoQuality)
, _done(std::move(done)) {
}
void GroupCall::LoadPartTask::done(tgcalls::BroadcastPart &&part) {
QMutexLocker lock(&_mutex);
if (_done) {
base::take(_done)(std::move(part));
}
}
void GroupCall::LoadPartTask::cancel() {
QMutexLocker lock(&_mutex);
if (!_done) {
return;
}
_done = nullptr;
lock.unlock();
if (_call) {
const auto that = this;
crl::on_main(_call, [weak = _call, that] {
if (const auto strong = weak.get()) {
strong->broadcastPartCancel(that);
}
});
}
}
GroupCall::MediaChannelDescriptionsTask::MediaChannelDescriptionsTask(
base::weak_ptr<GroupCall> call,
const std::vector<std::uint32_t> &ssrcs,
Fn<void(std::vector<tgcalls::MediaChannelDescription>&&)> done)
: _call(std::move(call))
, _ssrcs(ssrcs.begin(), ssrcs.end())
, _done(std::move(done)) {
}
auto GroupCall::MediaChannelDescriptionsTask::ssrcs() const
-> base::flat_set<uint32> {
return _ssrcs;
}
bool GroupCall::MediaChannelDescriptionsTask::finishWithAdding(
uint32 ssrc,
std::optional<tgcalls::MediaChannelDescription> description,
bool screen) {
Expects(_ssrcs.contains(ssrc));
using Type = tgcalls::MediaChannelDescription::Type;
_ssrcs.remove(ssrc);
if (!description) {
} else if (description->type == Type::Audio
|| (!screen && _cameraAdded.emplace(description->audioSsrc).second)
|| (screen && _screenAdded.emplace(description->audioSsrc).second)) {
_result.push_back(std::move(*description));
}
if (!_ssrcs.empty()) {
return false;
}
QMutexLocker lock(&_mutex);
if (_done) {
base::take(_done)(std::move(_result));
}
return true;
}
void GroupCall::MediaChannelDescriptionsTask::cancel() {
QMutexLocker lock(&_mutex);
if (!_done) {
return;
}
_done = nullptr;
lock.unlock();
if (_call) {
const auto that = this;
crl::on_main(_call, [weak = _call, that] {
if (const auto strong = weak.get()) {
strong->mediaChannelDescriptionsCancel(that);
}
});
}
}
GroupCall::RequestCurrentTimeTask::RequestCurrentTimeTask(
base::weak_ptr<GroupCall> call,
Fn<void(int64)> done)
: _call(call)
, _done(std::move(done)) {
}
void GroupCall::RequestCurrentTimeTask::done(int64 value) {
QMutexLocker lock(&_mutex);
if (_done) {
base::take(_done)(value);
}
}
void GroupCall::RequestCurrentTimeTask::cancel() {
QMutexLocker lock(&_mutex);
_done = nullptr;
}
not_null<PeerData*> GroupCall::TrackPeer(
const std::unique_ptr<VideoTrack> &track) {
return track->peer;
}
not_null<Webrtc::VideoTrack*> GroupCall::TrackPointer(
const std::unique_ptr<VideoTrack> &track) {
return &track->track;
}
rpl::producer<QSize> GroupCall::TrackSizeValue(
const std::unique_ptr<VideoTrack> &track) {
return track->trackSize.value();
}
GroupCall::GroupCall(
not_null<Delegate*> delegate,
Group::JoinInfo info,
const MTPInputGroupCall &inputCall)
: GroupCall(delegate, info, {}, inputCall) {
}
GroupCall::GroupCall(
not_null<Delegate*> delegate,
StartConferenceInfo info)
: GroupCall(delegate, Group::JoinInfo{
.peer = info.call ? info.call->peer() : info.show->session().user(),
.joinAs = info.show ? info.show->session().user() : info.call->peer(),
}, info, info.call
? info.call->input()
: MTP_inputGroupCall(MTP_long(0), MTP_long(0))) {
}
GroupCall::GroupCall(
not_null<Delegate*> delegate,
Group::JoinInfo join,
StartConferenceInfo startInfo,
const MTPInputGroupCall &inputCall)
: _delegate(delegate)
, _sharedCall(std::move(startInfo.call))
, _peer(join.peer)
, _history(_peer->owner().history(_peer))
, _api(&_peer->session().mtp())
, _messages(std::make_unique<Group::Messages>(this, &_api))
, _joinAs(join.joinAs)
, _possibleJoinAs(std::move(join.possibleJoinAs))
, _joinHash(join.joinHash)
, _conferenceLinkSlug(startInfo.linkSlug)
, _conferenceJoinMessageId(startInfo.joinMessageId)
, _rtmpUrl(join.rtmpInfo.url)
, _rtmpKey(join.rtmpInfo.key)
, _canManage(Data::CanManageGroupCallValue(_peer))
, _scheduleDate(join.scheduleDate)
, _lastSpokeCheckTimer([=] { checkLastSpoke(); })
, _checkJoinedTimer([=] { checkJoined(); })
, _playbackDeviceId(
&Core::App().mediaDevices(),
Webrtc::DeviceType::Playback,
Webrtc::DeviceIdValueWithFallback(
Core::App().settings().callPlaybackDeviceIdValue(),
Core::App().settings().playbackDeviceIdValue()))
, _captureDeviceId(
&Core::App().mediaDevices(),
Webrtc::DeviceType::Capture,
Webrtc::DeviceIdValueWithFallback(
Core::App().settings().callCaptureDeviceIdValue(),
Core::App().settings().captureDeviceIdValue()))
, _cameraDeviceId(
&Core::App().mediaDevices(),
Webrtc::DeviceType::Camera,
Webrtc::DeviceIdOrDefault(Core::App().settings().cameraDeviceIdValue()))
, _pushToTalkCancelTimer([=] { pushToTalkCancel(); })
, _connectingSoundTimer([=] { playConnectingSoundOnce(); })
, _listenersHidden(join.rtmp)
, _rtmp(join.rtmp)
, _singleSourceVolume(Group::kDefaultVolume) {
applyInputCall(inputCall);
_muted.value(
) | rpl::combine_previous(
) | rpl::on_next([=](MuteState previous, MuteState state) {
if (_instance) {
updateInstanceMuteState();
}
if (_joinState.ssrc
&& (!_initialMuteStateSent || state == MuteState::Active)) {
_initialMuteStateSent = true;
maybeSendMutedUpdate(previous);
}
}, _lifetime);
_instanceState.value(
) | rpl::filter([=] {
return _hadJoinedState;
}) | rpl::on_next([=](InstanceState state) {
if (state == InstanceState::Disconnected) {
playConnectingSound();
} else {
stopConnectingSound();
}
}, _lifetime);
checkGlobalShortcutAvailability();
if (const auto real = lookupReal()) {
subscribeToReal(real);
if (!canManage() && real->joinMuted()) {
_muted = MuteState::ForceMuted;
}
} else if (!startInfo.migrating && !startInfo.show) {
_peer->session().changes().peerFlagsValue(
_peer,
Data::PeerUpdate::Flag::GroupCall
) | rpl::map([=] {
return lookupReal();
}) | rpl::filter([](Data::GroupCall *real) {
return real != nullptr;
}) | rpl::map([](Data::GroupCall *real) {
return not_null{ real };
}) | rpl::take(
1
) | rpl::on_next([=](not_null<Data::GroupCall*> real) {
subscribeToReal(real);
_realChanges.fire_copy(real);
}, _lifetime);
}
setupMediaDevices();
setupOutgoingVideo();
if (_sharedCall && conference()) {
setupConferenceCall();
initConferenceE2E();
} else if (!_sharedCall && (startInfo.migrating || startInfo.show)) {
initConferenceE2E();
}
if (startInfo.migrating || (startInfo.show && !_sharedCall)) {
if (!startInfo.muted) {
setMuted(MuteState::Active);
}
_startConferenceInfo = std::make_shared<StartConferenceInfo>(
std::move(startInfo));
}
if (_id || (!_sharedCall && _startConferenceInfo)) {
initialJoin();
} else {
start(join.scheduleDate, join.rtmp);
}
if (_scheduleDate) {
saveDefaultJoinAs(joinAs());
}
}
void GroupCall::processConferenceStart(StartConferenceInfo conference) {
if (!conference.videoCapture) {
return;
}
fillActiveVideoEndpoints();
const auto weak = base::make_weak(this);
if (!conference.videoCaptureScreenId.isEmpty()) {
_screenCapture = std::move(conference.videoCapture);
_screenDeviceId = conference.videoCaptureScreenId;
_screenCapture->setOnFatalError([=] {
crl::on_main(weak, [=] {
emitShareScreenError(Error::ScreenFailed);
});
});
_screenCapture->setOnPause([=](bool paused) {
crl::on_main(weak, [=] {
if (isSharingScreen()) {
_screenState = paused
? Webrtc::VideoState::Paused
: Webrtc::VideoState::Active;
}
});
});
_screenState = Webrtc::VideoState::Active;
} else {
_cameraCapture = std::move(conference.videoCapture);
_cameraCapture->setOnFatalError([=] {
crl::on_main(weak, [=] {
emitShareCameraError(Error::CameraFailed);
});
});
_cameraState = Webrtc::VideoState::Active;
}
}
GroupCall::~GroupCall() {
_e2e = nullptr;
destroyScreencast();
destroyController();
if (!_rtmp) {
Core::App().mediaDevices().setCaptureMuteTracker(this, false);
}
_messages->undoScheduledPaidOnDestroy();
}
void GroupCall::initConferenceE2E() {
if (!_e2eEncryptDecrypt) {
_e2eEncryptDecrypt = std::make_shared<TdE2E::EncryptDecrypt>();
}
for (auto &state : _subchains) {
_api.request(base::take(state.requestId)).cancel();
state = SubChainState();
}
_e2e = nullptr;
_pendingOutboundBlock = QByteArray();
const auto tde2eUserId = TdE2E::MakeUserId(_peer->session().user());
_e2e = std::make_unique<TdE2E::Call>(tde2eUserId);
_e2e->subchainRequests(
) | rpl::on_next([=](TdE2E::Call::SubchainRequest request) {
requestSubchainBlocks(request.subchain, request.height);
}, _e2e->lifetime());
_e2e->sendOutboundBlock(
) | rpl::on_next([=](QByteArray &&block) {
sendOutboundBlock(std::move(block));
}, _e2e->lifetime());
_e2e->failures() | rpl::on_next([=] {
LOG(("TdE2E: Got failure, scheduling rejoin!"));
crl::on_main(this, [=] { startRejoin(); });
}, _e2e->lifetime());
_e2e->registerEncryptDecrypt(_e2eEncryptDecrypt);
_emojiHash = _e2e->emojiHashValue();
}
void GroupCall::setupConferenceCall() {
Expects(_sharedCall != nullptr);
_sharedCall->staleParticipantIds(
) | rpl::on_next([=](const base::flat_set<UserId> &staleIds) {
removeConferenceParticipants(staleIds, true);
}, _lifetime);
}
void GroupCall::trackParticipantsWithAccess() {
if (!_sharedCall || !_e2e) {
return;
}
_e2e->participantsSetValue(
) | rpl::on_next([=](const TdE2E::ParticipantsSet &set) {
auto users = base::flat_set<UserId>();
users.reserve(set.list.size());
for (const auto &id : set.list) {
users.emplace(UserId(id.v));
}
_sharedCall->setParticipantsWithAccess(std::move(users));
}, _e2e->lifetime());
}
void GroupCall::removeConferenceParticipants(
const base::flat_set<UserId> userIds,
bool removingStale) {
Expects(_e2e != nullptr);
Expects(!userIds.empty());
auto inputs = QVector<MTPlong>();
inputs.reserve(userIds.size());
auto ids = base::flat_set<TdE2E::UserId>();
ids.reserve(userIds.size());
for (const auto &id : userIds) {
inputs.push_back(MTP_long(peerToUser(id).bare));
ids.emplace(TdE2E::MakeUserId(id));
}
const auto block = _e2e->makeRemoveBlock(ids);
if (block.data.isEmpty()) {
return;
}
using Flag = MTPphone_DeleteConferenceCallParticipants::Flag;
_api.request(MTPphone_DeleteConferenceCallParticipants(
MTP_flags(removingStale ? Flag::f_only_left : Flag::f_kick),
inputCall(),
MTP_vector<MTPlong>(std::move(inputs)),
MTP_bytes(block.data)
)).done([=](const MTPUpdates &result) {
_peer->session().api().applyUpdates(result);
}).fail([=](const MTP::Error &error) {
const auto type = error.type();
if (type == u"GROUPCALL_FORBIDDEN"_q) {
LOG(("Call Info: "
"Rejoin after error '%1' in delete confcall participants"
).arg(type));
startRejoin();
} else {
LOG(("Call Error: Could not remove confcall participants: %1"
).arg(type));
}
}).send();
}
bool GroupCall::isSharingScreen() const {
return _isSharingScreen.current();
}
rpl::producer<bool> GroupCall::isSharingScreenValue() const {
return _isSharingScreen.value();
}
bool GroupCall::isScreenPaused() const {
return (_screenState.current() == Webrtc::VideoState::Paused);
}
const std::string &GroupCall::screenSharingEndpoint() const {
return isSharingScreen() ? _screenEndpoint : EmptyString();
}
bool GroupCall::isSharingCamera() const {
return _isSharingCamera.current();
}
rpl::producer<bool> GroupCall::isSharingCameraValue() const {
return _isSharingCamera.value();
}
bool GroupCall::isCameraPaused() const {
return (_cameraState.current() == Webrtc::VideoState::Paused);
}
const std::string &GroupCall::cameraSharingEndpoint() const {
return isSharingCamera() ? _cameraEndpoint : EmptyString();
}
QString GroupCall::screenSharingDeviceId() const {
return isSharingScreen() ? _screenDeviceId : QString();
}
bool GroupCall::screenSharingWithAudio() const {
return isSharingScreen() && _screenWithAudio;
}
bool GroupCall::mutedByAdmin() const {
const auto mute = muted();
return _rtmp
|| (mute == MuteState::ForceMuted)
|| (mute == MuteState::RaisedHand);
}
bool GroupCall::canManage() const {
return _canManage.current();
}
rpl::producer<bool> GroupCall::canManageValue() const {
return _canManage.value();
}
void GroupCall::toggleVideo(bool active) {
if (!_instance || !_id) {
return;
}
_cameraState = active
? Webrtc::VideoState::Active
: Webrtc::VideoState::Inactive;
}
void GroupCall::toggleScreenSharing(
std::optional<QString> uniqueId,
bool withAudio) {
if (!_instance || !_id) {
return;
} else if (!uniqueId) {
_screenState = Webrtc::VideoState::Inactive;
return;
}
const auto changed = (_screenDeviceId != *uniqueId);
const auto wasSharing = isSharingScreen();
_screenDeviceId = *uniqueId;
_screenWithAudio = withAudio;
_screenState = Webrtc::VideoState::Active;
if (changed && wasSharing && isSharingScreen()) {
_screenCapture->switchToDevice(uniqueId->toStdString(), true);
}
if (_screenInstance) {
_screenInstance->setIsMuted(!withAudio);
}
}
bool GroupCall::hasVideoWithFrames() const {
return !_shownVideoTracks.empty();
}
rpl::producer<bool> GroupCall::hasVideoWithFramesValue() const {
return _videoStreamShownUpdates.events_starting_with(
VideoStateToggle()
) | rpl::map([=] {
return hasVideoWithFrames();
}) | rpl::distinct_until_changed();
}
void GroupCall::setScheduledDate(TimeId date) {
const auto was = _scheduleDate;
_scheduleDate = date;
if (was && !date) {
initialJoin();
}
}
void GroupCall::setMessagesEnabled(bool enabled) {
_messagesEnabled = enabled && (!_rtmp || videoStream());
}
void GroupCall::subscribeToReal(not_null<Data::GroupCall*> real) {
_listenersHidden = real->listenersHidden();
real->scheduleDateValue(
) | rpl::on_next([=](TimeId date) {
setScheduledDate(date);
}, _lifetime);
real->messagesEnabledValue(
) | rpl::on_next([=](bool enabled) {
setMessagesEnabled(enabled);
}, _lifetime);
// Postpone creating video tracks, so that we know if Panel
// supports OpenGL and we don't need ARGB32 frames at all.
Ui::PostponeCall(this, [=] {
if (const auto real = lookupReal()) {
real->participantsReloaded(
) | rpl::on_next([=] {
fillActiveVideoEndpoints();
}, _lifetime);
fillActiveVideoEndpoints();
}
});
using Update = Data::GroupCall::ParticipantUpdate;
real->participantUpdated(
) | rpl::on_next([=](const Update &data) {
const auto regularEndpoint = [&](const std::string &endpoint)
-> const std::string & {
return (endpoint.empty()
|| endpoint == _cameraEndpoint
|| endpoint == _screenEndpoint)
? EmptyString()
: endpoint;