tdesktop/Telegram/SourceFiles/calls/calls_call.h

298 lines
7.1 KiB
C++

/*
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
*/
#pragma once
#include "base/weak_ptr.h"
#include "base/timer.h"
#include "base/bytes.h"
#include "mtproto/sender.h"
#include "mtproto/mtproto_auth_key.h"
namespace Media {
namespace Audio {
class Track;
} // namespace Audio
} // namespace Media
namespace tgcalls {
class Instance;
class VideoCaptureInterface;
enum class State;
enum class VideoState;
enum class AudioState;
} // namespace tgcalls
namespace Webrtc {
enum class VideoState;
class VideoTrack;
} // namespace Webrtc
namespace Calls {
struct DhConfig {
int32 version = 0;
int32 g = 0;
bytes::vector p;
};
enum class ErrorType {
NoCamera,
NoMicrophone,
NotStartedCall,
NotVideoCall,
Unknown,
};
struct Error {
ErrorType type = ErrorType::Unknown;
QString details;
};
enum class CallType {
Incoming,
Outgoing,
};
class Call : public base::has_weak_ptr {
public:
class Delegate {
public:
virtual DhConfig getDhConfig() const = 0;
virtual void callFinished(not_null<Call*> call) = 0;
virtual void callFailed(not_null<Call*> call) = 0;
virtual void callRedial(not_null<Call*> call) = 0;
enum class CallSound {
Connecting,
Busy,
Ended,
};
virtual void callPlaySound(CallSound sound) = 0;
virtual void callRequestPermissionsOrFail(
Fn<void()> onSuccess,
bool video) = 0;
virtual auto callGetVideoCapture(
const QString &deviceId,
bool isScreenCapture)
-> std::shared_ptr<tgcalls::VideoCaptureInterface> = 0;
virtual ~Delegate() = default;
};
static constexpr auto kSoundSampleMs = 100;
using Type = CallType;
Call(
not_null<Delegate*> delegate,
not_null<UserData*> user,
Type type,
bool video);
[[nodiscard]] Type type() const {
return _type;
}
[[nodiscard]] not_null<UserData*> user() const {
return _user;
}
[[nodiscard]] bool isIncomingWaiting() const;
void start(bytes::const_span random);
bool handleUpdate(const MTPPhoneCall &call);
bool handleSignalingData(const MTPDupdatePhoneCallSignalingData &data);
enum State {
Starting,
WaitingInit,
WaitingInitAck,
Established,
FailedHangingUp,
Failed,
HangingUp,
Ended,
EndedByOtherDevice,
ExchangingKeys,
Waiting,
Requesting,
WaitingIncoming,
Ringing,
Busy,
};
[[nodiscard]] State state() const {
return _state.current();
}
[[nodiscard]] rpl::producer<State> stateValue() const {
return _state.value();
}
[[nodiscard]] rpl::producer<Error> errors() const {
return _errors.events();
}
enum class RemoteAudioState {
Muted,
Active,
};
[[nodiscard]] RemoteAudioState remoteAudioState() const {
return _remoteAudioState.current();
}
[[nodiscard]] auto remoteAudioStateValue() const
-> rpl::producer<RemoteAudioState> {
return _remoteAudioState.value();
}
[[nodiscard]] Webrtc::VideoState remoteVideoState() const {
return _remoteVideoState.current();
}
[[nodiscard]] auto remoteVideoStateValue() const
-> rpl::producer<Webrtc::VideoState> {
return _remoteVideoState.value();
}
static constexpr auto kSignalBarStarting = -1;
static constexpr auto kSignalBarFinished = -2;
static constexpr auto kSignalBarCount = 4;
[[nodiscard]] rpl::producer<int> signalBarCountValue() const {
return _signalBarCount.value();
}
void setMuted(bool mute);
[[nodiscard]] bool muted() const {
return _muted.current();
}
[[nodiscard]] rpl::producer<bool> mutedValue() const {
return _muted.value();
}
[[nodiscard]] not_null<Webrtc::VideoTrack*> videoIncoming() const;
[[nodiscard]] not_null<Webrtc::VideoTrack*> videoOutgoing() const;
crl::time getDurationMs() const;
float64 getWaitingSoundPeakValue() const;
void answer();
void hangup();
void redial();
bool isKeyShaForFingerprintReady() const;
bytes::vector getKeyShaForFingerprint() const;
QString getDebugLog() const;
void setCurrentAudioDevice(bool input, const QString &deviceId);
//void setAudioVolume(bool input, float level);
void setAudioDuckingEnabled(bool enabled);
void setCurrentCameraDevice(const QString &deviceId);
[[nodiscard]] QString videoDeviceId() const {
return _videoCaptureDeviceId;
}
[[nodiscard]] bool isSharingVideo() const;
[[nodiscard]] bool isSharingCamera() const;
[[nodiscard]] bool isSharingScreen() const;
[[nodiscard]] QString cameraSharingDeviceId() const;
[[nodiscard]] QString screenSharingDeviceId() const;
void toggleCameraSharing(bool enabled);
void toggleScreenSharing(std::optional<QString> uniqueId);
[[nodiscard]] rpl::lifetime &lifetime() {
return _lifetime;
}
~Call();
private:
enum class FinishType {
None,
Ended,
Failed,
};
void handleRequestError(const MTP::Error &error);
void handleControllerError(const QString &error);
void finish(
FinishType type,
const MTPPhoneCallDiscardReason &reason
= MTP_phoneCallDiscardReasonDisconnect());
void startOutgoing();
void startIncoming();
void startWaitingTrack();
void sendSignalingData(const QByteArray &data);
void generateModExpFirst(bytes::const_span randomSeed);
void handleControllerStateChange(tgcalls::State state);
void handleControllerBarCountChange(int count);
void createAndStartController(const MTPDphoneCall &call);
template <typename T>
bool checkCallCommonFields(const T &call);
bool checkCallFields(const MTPDphoneCall &call);
bool checkCallFields(const MTPDphoneCallAccepted &call);
void actuallyAnswer();
void confirmAcceptedCall(const MTPDphoneCallAccepted &call);
void startConfirmedCall(const MTPDphoneCall &call);
void setState(State state);
void setStateQueued(State state);
void setFailedQueued(const QString &error);
void setSignalBarCount(int count);
void destroyController();
void setupOutgoingVideo();
void updateRemoteMediaState(
tgcalls::AudioState audio,
tgcalls::VideoState video);
const not_null<Delegate*> _delegate;
const not_null<UserData*> _user;
MTP::Sender _api;
Type _type = Type::Outgoing;
rpl::variable<State> _state = State::Starting;
rpl::variable<RemoteAudioState> _remoteAudioState = RemoteAudioState::Active;
rpl::variable<Webrtc::VideoState> _remoteVideoState;
rpl::event_stream<Error> _errors;
FinishType _finishAfterRequestingCall = FinishType::None;
bool _answerAfterDhConfigReceived = false;
rpl::variable<int> _signalBarCount = kSignalBarStarting;
crl::time _startTime = 0;
base::DelayedCallTimer _finishByTimeoutTimer;
base::Timer _discardByTimeoutTimer;
rpl::variable<bool> _muted = false;
DhConfig _dhConfig;
bytes::vector _ga;
bytes::vector _gb;
bytes::vector _gaHash;
bytes::vector _randomPower;
MTP::AuthKey::Data _authKey;
MTPPhoneCallProtocol _protocol;
uint64 _id = 0;
uint64 _accessHash = 0;
uint64 _keyFingerprint = 0;
std::unique_ptr<tgcalls::Instance> _instance;
std::shared_ptr<tgcalls::VideoCaptureInterface> _videoCapture;
QString _videoCaptureDeviceId;
bool _videoCaptureIsScreencast = false;
const std::unique_ptr<Webrtc::VideoTrack> _videoIncoming;
const std::unique_ptr<Webrtc::VideoTrack> _videoOutgoing;
std::unique_ptr<Media::Audio::Track> _waitingTrack;
rpl::lifetime _lifetime;
};
void UpdateConfig(const std::string &data);
} // namespace Calls