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TUIRoomObserver

TUIRoomObserver
TUIRoomObserver
FuncList
DESC
onError:message:
Error event callback.
onKickedOffLine:
The current user was kicked offline.
onUserSigExpired
The current user signature is expired.
onRoomNameChanged:roomName:
The name of the room has changed.
onAllUserMicrophoneDisableChanged:isDisable:
The status of disabling to open microphone has changed for all users.
onAllUserCameraDisableChanged:isDisable:
The status of disabling to open camera has changed for all users.
onScreenShareForAllUserDisableChanged:isDisable:
The status of disabling to open screen sharing has changed for all users.
onSendMessageForAllUserDisableChanged:isDisable:
The status of disabling to send message has changed for all users.
onRoomDismissed:reason:
Room was dismissed.
onKickedOutOfRoom:reason:message:
The current user has been kicked off from the room.
onRoomSeatModeChanged:seatMode:
The room seat mode has changed.
onRoomUserCountChanged:userCount:
The count of user in the room has changed.
onRoomMetadataChanged:value:
The key-value of room metadata has changed.
onRemoteUserEnterRoom:userInfo:
Remote user entered room.
onRemoteUserLeaveRoom:userInfo:
Remote user left room.
onUserInfoChanged:modifyFlag:
User information has changed in the room.
onUserVideoStateChanged:streamType:hasVideo:reason:
The status of the user has video stream changed.
onUserAudioStateChanged:hasAudio:reason:
The status of the user has audio stream changed.
onUserVoiceVolumeChanged
User volume changed.
onSendMessageForUserDisableChanged:userId:isDisable:
The status of disabling to send message has changed for user.
onUserNetworkQualityChanged:
The user network status changed.
onUserScreenCapturePaused:
Screen sharing paused.
onUserScreenCaptureResumed:
Screen sharing resumed.
onUserScreenCaptureStopped:
Screen sharing stopped.
onUserVideoSizeChanged:userId:streamType:width:height:
The User video size changed.
onSeatListChanged:seated:left:
Seat list changed.
onKickedOffSeat:operateUser:
The user was kicked off the seat.
onRequestReceived:
Receive a request message.
onRequestCancelled:operateUser:
Received a cancelled request.
onRequestProcessed:operateUser:
Receive a request to be processed by other administrator/owner.
onReceiveTextMessage:
Text message received
onReceiveCustomMessage:
Custom message received
onDeviceChanged:type:state:
Local device added.
onError:message:
onError:message:
- (void)onError:
(﻿TUIError﻿)errorCode
message:
(NSString *)message
Error event callback.The function supports the ﻿TUIRoomTypeConference﻿ and ﻿TUIRoomTypeLive﻿ room types.
Callback error events when entering a room or opening a device.
Param
DESC
errorCode
Error code. More details, see: ﻿TUIError﻿.
message
Error message.
onKickedOffLine:
onKickedOffLine:
- (void)onKickedOffLine:
(NSString *)message
The current user was kicked offline.The function supports the ﻿TUIRoomTypeConference﻿ and ﻿TUIRoomTypeLive﻿ room types.
Called when a user is kicked offline.
Param
DESC
message
Description of being kicked off.
onUserSigExpired
onUserSigExpired
The current user signature is expired.The function supports the ﻿TUIRoomTypeConference﻿ and ﻿TUIRoomTypeLive﻿ room types.
Called when a user's signature expires.
onRoomNameChanged:roomName:
onRoomNameChanged:roomName:
- (void)onRoomNameChanged:
(NSString *)roomId
roomName:
(NSString *)roomName
The name of the room has changed.The function supports the ﻿TUIRoomTypeConference﻿ and ﻿TUIRoomTypeLive﻿ room types.
Called when the room name changes.
Param
DESC
roomId
Room ID.
roomName
Room name.
onAllUserMicrophoneDisableChanged:isDisable:
onAllUserMicrophoneDisableChanged:isDisable:
- (void)onAllUserMicrophoneDisableChanged:
(NSString *)roomId
isDisable:
(BOOL)isDisable
The status of disabling to open microphone has changed for all users.Param
DESC
isDisable
true: disable user to open microphone false: enable user to open microphone.
roomId
Room ID.
Note
The function only supports the ﻿TUIRoomTypeConference﻿ room type..
Called when the microphone disable status changes for all users.
onAllUserCameraDisableChanged:isDisable:
onAllUserCameraDisableChanged:isDisable:
- (void)onAllUserCameraDisableChanged:
(NSString *)roomId
isDisable:
(BOOL)isDisable
The status of disabling to open camera has changed for all users.Param
DESC
isDisable
true: disable user to open camera false: enable user to open camera.
roomId
Room ID.
Note
The function only supports the ﻿TUIRoomTypeConference﻿ room type..
Called when the camera disable status changes for all users.
onScreenShareForAllUserDisableChanged:isDisable:
onScreenShareForAllUserDisableChanged:isDisable:
- (void)onScreenShareForAllUserDisableChanged:
(NSString *)roomId
isDisable:
(BOOL)isDisable
The status of disabling to open screen sharing has changed for all users.Param
DESC
isDisable
true: disable user to open screen sharing false: enable user to open screen sharing.
roomId
Room ID.
Note
The function only supports the ﻿TUIRoomTypeConference﻿ room type..
Called when the screen sharing permissions change for all users.
onSendMessageForAllUserDisableChanged:isDisable:
onSendMessageForAllUserDisableChanged:isDisable:
- (void)onSendMessageForAllUserDisableChanged:
(NSString *)roomId
isDisable:
(BOOL)isDisable
The status of disabling to send message has changed for all users.Param
DESC
isDisable
true: disable user to send message false: enable user to send message.
roomId
Room ID.
Note
The function only supports the ﻿TUIRoomTypeConference﻿ room type..
Called when the message sending permissions change for all users.
onRoomDismissed:reason:
onRoomDismissed:reason:
- (void)onRoomDismissed:
(NSString *)roomId
reason:
(﻿TUIRoomDismissedReason﻿)reason
Room was dismissed.Param
DESC
reason
The reason why the room was dismissed. More details, see: ﻿TUIRoomDismissedReason﻿.
roomId
Room ID.
Note
The function only supports the ﻿TUIRoomTypeConference﻿ room type..
Called when the room is dismissed.
onKickedOutOfRoom:reason:message:
onKickedOutOfRoom:reason:message:
- (void)onKickedOutOfRoom:
(NSString *)roomId
reason:
(﻿TUIKickedOutOfRoomReason﻿)reason
message:
(NSString *)message
The current user has been kicked off from the room.The function supports the ﻿TUIRoomTypeConference﻿ and ﻿TUIRoomTypeLive﻿ room types.
Called when a user is kicked out of the room.
Param
DESC
message
Description of being kicked off.
reason
Reason for being kicked off.
roomId
Room ID.
onRoomSeatModeChanged:seatMode:
onRoomSeatModeChanged:seatMode:
- (void)onRoomSeatModeChanged:
(NSString *)roomId
seatMode:
(﻿TUISeatMode﻿)seatMode
The room seat mode has changed.Param
DESC
roomId
: Room ID.
seatMode
: Seat mode. More details, see ﻿TUISeatMode﻿.
#### [REMARK]
The function supports the ﻿TUIRoomTypeConference﻿ and ﻿TUIRoomTypeLive﻿ room types.
Called when the seat mode of the room changes.
onRoomUserCountChanged:userCount:
onRoomUserCountChanged:userCount:
- (void)onRoomUserCountChanged:
(NSString *)roomId
userCount:
(NSInteger)userCount
The count of user in the room has changed.Param
DESC
roomId
Room ID.
userCount
Count of user.
#### [REMARK]
The function supports the ﻿TUIRoomTypeConference﻿ and ﻿TUIRoomTypeLive﻿ room types.
Called when the user count of the room changes.
onRoomMetadataChanged:value:
onRoomMetadataChanged:value:
- (void)onRoomMetadataChanged:
(NSString *)key
value:
(NSString *)value
The key-value of room metadata has changed.Param
DESC
key
The key of room metadata.
value
The value of room metadata.
#### [REMARK]
The function supports the ﻿TUIRoomTypeConference﻿ and ﻿TUIRoomTypeLive﻿ room types.
Called when the custom information of the room changes.
onRemoteUserEnterRoom:userInfo:
onRemoteUserEnterRoom:userInfo:
- (void)onRemoteUserEnterRoom:
(NSString *)roomId
userInfo:
(﻿TUIUserInfo﻿ *)userInfo
Remote user entered room.The function supports the ﻿TUIRoomTypeConference﻿ and ﻿TUIRoomTypeLive﻿ room types.
Called when a remote user enters the room.
Param
DESC
roomId
Room ID.
userInfo
User information. More details, see ﻿TUIUserInfo﻿.
onRemoteUserLeaveRoom:userInfo:
onRemoteUserLeaveRoom:userInfo:
- (void)onRemoteUserLeaveRoom:
(NSString *)roomId
userInfo:
(﻿TUIUserInfo﻿ *)userInfo
Remote user left room.The function supports the ﻿TUIRoomTypeConference﻿ and ﻿TUIRoomTypeLive﻿ room types.
Called when a remote user leaves the room.
Param
DESC
roomId
Room ID.
userInfo
User information. More details, see ﻿TUIUserInfo﻿.
onUserInfoChanged:modifyFlag:
onUserInfoChanged:modifyFlag:
- (void)onUserInfoChanged:
(﻿TUIUserInfo﻿ *)userInfo
modifyFlag:
(TUIUserInfoModifyFlag)modifyFlag
User information has changed in the room.The function supports the ﻿TUIRoomTypeConference﻿ and ﻿TUIRoomTypeLive﻿ room types.
Called when a user's information changes.
Param
DESC
modifyFlag
Modifiable parameter. More details, see ﻿TUIUserInfoModifyFlag﻿.
userInfo
User information. More details, see ﻿TUIUserInfo﻿.
onUserVideoStateChanged:streamType:hasVideo:reason:
onUserVideoStateChanged:streamType:hasVideo:reason:
- (void)onUserVideoStateChanged:
(NSString *)userId
streamType:
(﻿TUIVideoStreamType﻿)streamType
hasVideo:
(BOOL)hasVideo
reason:
(﻿TUIChangeReason﻿)reason
The status of the user has video stream changed.The function supports the ﻿TUIRoomTypeConference﻿ and ﻿TUIRoomTypeLive﻿ room types.
Called when a user's video state changes.
Param
DESC
hasVideo
The current user whether has video stream.
reason
The reason why the video stream changed: ﻿TUIChangeReasonBySelf﻿: Changed by self ﻿TUIChangeReasonByAdmin﻿: Changed by administrator.
streamType
Video stream type. More details, see ﻿TUIVideoStreamType﻿.
userId
User ID.
onUserAudioStateChanged:hasAudio:reason:
onUserAudioStateChanged:hasAudio:reason:
- (void)onUserAudioStateChanged:
(NSString *)userId
hasAudio:
(BOOL)hasAudio
reason:
(﻿TUIChangeReason﻿)reason
The status of the user has audio stream changed.The function supports the ﻿TUIRoomTypeConference﻿ and ﻿TUIRoomTypeLive﻿ room types.
Called when a user's audio state changes.
Param
DESC
hasAudio
The current user whether has audio stream.
reason
The reason why the video stream changed: ﻿TUIChangeReasonBySelf﻿: Changed by self ﻿TUIChangeReasonByAdmin﻿: Changed by administrator.
userId
User ID.
onUserVoiceVolumeChanged
onUserVoiceVolumeChanged
User volume changed.The function supports the ﻿TUIRoomTypeConference﻿ and ﻿TUIRoomTypeLive﻿ room types.
Called when a user's voice volume changes.
Param
DESC
volumeMap
: User volume dictionary key: userId, value: the volume of all speaking users, with a value range of 0 - 100.
onSendMessageForUserDisableChanged:userId:isDisable:
onSendMessageForUserDisableChanged:userId:isDisable:
- (void)onSendMessageForUserDisableChanged:
(NSString *)roomId
userId:
(NSString *)userId
isDisable:
(BOOL)muted
The status of disabling to send message has changed for user.The function supports the ﻿TUIRoomTypeConference﻿ and ﻿TUIRoomTypeLive﻿ room types.
Called when a user's message sending permissions change.
Param
DESC
isDisable
true: disable user to send message false: enable user to send message.
userId
User ID.
onUserNetworkQualityChanged:
onUserNetworkQualityChanged:
- (void)onUserNetworkQualityChanged:
(NSArray<﻿TUINetworkInfo﻿ *> *)networkList
The user network status changed.The function supports the ﻿TUIRoomTypeConference﻿ and ﻿TUIRoomTypeLive﻿ room types.
Called when a user's network quality changes.
Param
DESC
networkList
User network status list. More details, see ﻿TUINetworkInfo﻿.
onUserScreenCapturePaused:
onUserScreenCapturePaused:
- (void)onUserScreenCapturePaused:
(NSInteger)reason
Screen sharing paused.The function supports the ﻿TUIRoomTypeConference﻿ and ﻿TUIRoomTypeLive﻿ room types.
Called when a user's screen capture pauses.
Param
DESC
reason
pause reason, 0: User manually paused; 1: The screen sharing window became invisible (Mac) or due to screen sharing parameter settings (Windows). 2: The screen sharing window was minimized (Windows only). 3: The screen sharing window was hidden (Windows only). 4: The system stopped screen recording (iOS only).
onUserScreenCaptureResumed:
onUserScreenCaptureResumed:
- (void)onUserScreenCaptureResumed:
(NSInteger)reason
Screen sharing resumed.The function supports the ﻿TUIRoomTypeConference﻿ and ﻿TUIRoomTypeLive﻿ room types.
Called when a user's screen capture resumes.
Param
DESC
reason
resume reason，0: User manually resumed. 1: The screen sharing window became visible again (Mac) or screen sharing parameters were set (Windows). 2: The screen sharing window was restored from minimization (Windows only). 3: The screen sharing window was restored from being hidden (Windows only). 4: The system resumed screen recording (iOS only).
onUserScreenCaptureStopped:
onUserScreenCaptureStopped:
- (void)onUserScreenCaptureStopped:
(NSInteger)reason
Screen sharing stopped.The function supports the ﻿TUIRoomTypeConference﻿ and ﻿TUIRoomTypeLive﻿ room types.
Called when a user's screen capture stops.
Param
DESC
reason
Stop reason, 0: user actively stops; 1: the screen or the window is closed ; 2: the status of the screen or the window has changed (such as device disconnect).
onUserVideoSizeChanged:userId:streamType:width:height:
onUserVideoSizeChanged:userId:streamType:width:height:
- (void)onUserVideoSizeChanged:
(NSString *)roomId
userId:
(NSString *)userId
streamType:
(﻿TUIVideoStreamType﻿)streamType
width:
(int)width
height:
(int)height
The User video size changed.The function supports the (﻿TUIRoomTypeConference﻿ and ﻿TUIRoomTypeLive﻿) room types.
Called when a user's video size changes.
Param
DESC
height
Video height.
roomId
Room ID.
streamType
Video stream type. More details, see ﻿TUIVideoStreamType﻿.
userId
User ID or mixed stream ID. When the local user is an audience and successfully connected to the host, this parameter represents the host's user ID; otherwise, it represents the mixed stream ID.
width
Video width.
onSeatListChanged:seated:left:
onSeatListChanged:seated:left:
- (void)onSeatListChanged:
(NSArray<﻿TUISeatInfo﻿ *> *)seatList
seated:
(NSArray<﻿TUISeatInfo﻿ *> *)seatedList
left:
(NSArray<﻿TUISeatInfo﻿ *> *)leftList
Seat list changed.The function supports the ﻿TUIRoomTypeConference﻿ and ﻿TUIRoomTypeLive﻿ room types.
Called when the seat list changes.
Param
DESC
leftList
List of newly leave-seat users.
seatList
The latest user list on seat, including new users.
seatedList
List of newly take-seat users.
onKickedOffSeat:operateUser:
onKickedOffSeat:operateUser:
- (void)onKickedOffSeat:
(NSInteger)seatIndex
operateUser:
(﻿TUIUserInfo﻿ *)operateUser
The user was kicked off the seat.The function supports the ﻿TUIRoomTypeConference﻿ and ﻿TUIRoomTypeLive﻿ room types.
Called when a user is kicked off a seat.
Param
DESC
operateUser
User information of the owner/administrator who kicked the user.
seatIndex
Seat index.
onRequestReceived:
onRequestReceived:
- (void)onRequestReceived:
(﻿TUIRequest﻿ *)request
Receive a request message.The function supports the ﻿TUIRoomTypeConference﻿ and ﻿TUIRoomTypeLive﻿ room types.
Called when a request is received.
Param
DESC
request
Request content. More details, see ﻿TUIRequest﻿.
onRequestCancelled:operateUser:
onRequestCancelled:operateUser:
- (void)onRequestCancelled:
(﻿TUIRequest﻿ *)request
operateUser:
(﻿TUIUserInfo﻿ *)operateUser
Received a cancelled request.The function supports the ﻿TUIRoomTypeConference﻿ and ﻿TUIRoomTypeLive﻿ room types.
Called when a request is cancelled.
Param
DESC
operateUser
Operator information.
request
Request content. More details, see ﻿TUIRequest﻿.
onRequestProcessed:operateUser:
onRequestProcessed:operateUser:
- (void)onRequestProcessed:
(﻿TUIRequest﻿ *)request
operateUser:
(﻿TUIUserInfo﻿ *)operateUser
Receive a request to be processed by other administrator/owner.The function supports the ﻿TUIRoomTypeConference﻿ and ﻿TUIRoomTypeLive﻿ room types.
Called when a request is processed.
Param
DESC
operateUser
Operator information.
request
Request content. More details, see ﻿TUIRequest﻿.
onReceiveTextMessage:
onReceiveTextMessage:
- (void)onReceiveTextMessage:
(﻿TUIRoomTextMessage﻿ *)textMessage
Text message receivedParam
DESC
textMessage
The message object, see the ﻿$TUIRoomTextMessage$﻿ object for details.
onReceiveCustomMessage:
onReceiveCustomMessage:
- (void)onReceiveCustomMessage:
(﻿TUIRoomCustomMessage﻿ *)customMessage
Custom message receivedParam
DESC
customMessage
The message object, see the ﻿$TUIRoomCustomMessage$﻿ object for details.
onDeviceChanged:type:state:
onDeviceChanged:type:state:
- (void)onDeviceChanged:
(NSString *)deviceId
type:
(TUIMediaDeviceType)type
state:
(TUIMediaDeviceState)state
Local device added.The function supports the ﻿TUIRoomTypeConference﻿ and ﻿TUIRoomTypeLive﻿ room types.
Called when a device changes.
@deprecated It is not recommended to use it since version v2.0. It is recommended to use ﻿onDeviceChanged﻿ in {$TUIRoomDeviceManager$} instead.
Param
DESC
deviceId
Device ID.
state
0: the device has been added; 1: the device has been removed; 2: the device has been enabled.
type
Device type. More details, see ﻿TUIMediaDeviceType﻿.
Note
When a local device (including camera, microphone, and speaker) is added, the SDK will throw this event callback.

FuncList	DESC
onError:message:	Error event callback.
onKickedOffLine:	The current user was kicked offline.
onUserSigExpired	The current user signature is expired.
onRoomNameChanged:roomName:	The name of the room has changed.
onAllUserMicrophoneDisableChanged:isDisable:	The status of disabling to open microphone has changed for all users.
onAllUserCameraDisableChanged:isDisable:	The status of disabling to open camera has changed for all users.
onScreenShareForAllUserDisableChanged:isDisable:	The status of disabling to open screen sharing has changed for all users.
onSendMessageForAllUserDisableChanged:isDisable:	The status of disabling to send message has changed for all users.
onRoomDismissed:reason:	Room was dismissed.
onKickedOutOfRoom:reason:message:	The current user has been kicked off from the room.
onRoomSeatModeChanged:seatMode:	The room seat mode has changed.
onRoomUserCountChanged:userCount:	The count of user in the room has changed.
onRoomMetadataChanged:value:	The key-value of room metadata has changed.
onRemoteUserEnterRoom:userInfo:	Remote user entered room.
onRemoteUserLeaveRoom:userInfo:	Remote user left room.
onUserInfoChanged:modifyFlag:	User information has changed in the room.
onUserVideoStateChanged:streamType:hasVideo:reason:	The status of the user has video stream changed.
onUserAudioStateChanged:hasAudio:reason:	The status of the user has audio stream changed.
onUserVoiceVolumeChanged	User volume changed.
onSendMessageForUserDisableChanged:userId:isDisable:	The status of disabling to send message has changed for user.
onUserNetworkQualityChanged:	The user network status changed.
onUserScreenCapturePaused:	Screen sharing paused.
onUserScreenCaptureResumed:	Screen sharing resumed.
onUserScreenCaptureStopped:	Screen sharing stopped.
onUserVideoSizeChanged:userId:streamType:width:height:	The User video size changed.
onSeatListChanged:seated:left:	Seat list changed.
onKickedOffSeat:operateUser:	The user was kicked off the seat.
onRequestReceived:	Receive a request message.
onRequestCancelled:operateUser:	Received a cancelled request.
onRequestProcessed:operateUser:	Receive a request to be processed by other administrator/owner.
onReceiveTextMessage:	Text message received
onReceiveCustomMessage:	Custom message received
onDeviceChanged:type:state:	Local device added.

- (void)onError:	(TUIError)errorCode
message:	(NSString *)message

Param	DESC
errorCode	Error code. More details, see: TUIError.
message	Error message.

- (void)onRoomNameChanged:	(NSString *)roomId
roomName:	(NSString *)roomName

- (void)onAllUserMicrophoneDisableChanged:	(NSString *)roomId
isDisable:	(BOOL)isDisable

Param	DESC
isDisable	true: disable user to open microphone false: enable user to open microphone.
roomId	Room ID.

- (void)onAllUserCameraDisableChanged:	(NSString *)roomId
isDisable:	(BOOL)isDisable

- (void)onScreenShareForAllUserDisableChanged:	(NSString *)roomId
isDisable:	(BOOL)isDisable

- (void)onSendMessageForAllUserDisableChanged:	(NSString *)roomId
isDisable:	(BOOL)isDisable

- (void)onRoomDismissed:	(NSString *)roomId
reason:	(TUIRoomDismissedReason)reason

Param	DESC
reason	The reason why the room was dismissed. More details, see: TUIRoomDismissedReason.
roomId	Room ID.

- (void)onKickedOutOfRoom:	(NSString *)roomId
reason:	(TUIKickedOutOfRoomReason)reason
message:	(NSString *)message

- (void)onRoomSeatModeChanged:	(NSString *)roomId
seatMode:	(TUISeatMode)seatMode

- (void)onRoomUserCountChanged:	(NSString *)roomId
userCount:	(NSInteger)userCount

- (void)onRoomMetadataChanged:	(NSString *)key
value:	(NSString *)value

Param	DESC
key	The key of room metadata.
value	The value of room metadata. #### [REMARK] The function supports the TUIRoomTypeConference and TUIRoomTypeLive room types. Called when the custom information of the room changes.

- (void)onRemoteUserEnterRoom:	(NSString *)roomId
userInfo:	(TUIUserInfo *)userInfo

- (void)onRemoteUserLeaveRoom:	(NSString *)roomId
userInfo:	(TUIUserInfo *)userInfo

- (void)onUserInfoChanged:	(TUIUserInfo *)userInfo
modifyFlag:	(TUIUserInfoModifyFlag)modifyFlag

Param	DESC
modifyFlag	Modifiable parameter. More details, see TUIUserInfoModifyFlag.
userInfo	User information. More details, see TUIUserInfo.

- (void)onUserVideoStateChanged:	(NSString *)userId
streamType:	(TUIVideoStreamType)streamType
hasVideo:	(BOOL)hasVideo
reason:	(TUIChangeReason)reason

Param	DESC
hasVideo	The current user whether has video stream.
reason	The reason why the video stream changed: TUIChangeReasonBySelf: Changed by self TUIChangeReasonByAdmin: Changed by administrator.
streamType	Video stream type. More details, see TUIVideoStreamType.
userId	User ID.

- (void)onUserAudioStateChanged:	(NSString *)userId
hasAudio:	(BOOL)hasAudio
reason:	(TUIChangeReason)reason

Param	DESC
hasAudio	The current user whether has audio stream.
reason	The reason why the video stream changed: TUIChangeReasonBySelf: Changed by self TUIChangeReasonByAdmin: Changed by administrator.
userId	User ID.

Param	DESC
volumeMap	: User volume dictionary key: userId, value: the volume of all speaking users, with a value range of 0 - 100.

- (void)onSendMessageForUserDisableChanged:	(NSString *)roomId
userId:	(NSString *)userId
isDisable:	(BOOL)muted

Param	DESC
networkList	User network status list. More details, see TUINetworkInfo.

- (void)onUserVideoSizeChanged:	(NSString *)roomId
userId:	(NSString *)userId
streamType:	(TUIVideoStreamType)streamType
width:	(int)width
height:	(int)height

Param	DESC
height	Video height.
roomId	Room ID.
streamType	Video stream type. More details, see TUIVideoStreamType.
userId	User ID or mixed stream ID. When the local user is an audience and successfully connected to the host, this parameter represents the host's user ID; otherwise, it represents the mixed stream ID.
width	Video width.

- (void)onSeatListChanged:	(NSArray<TUISeatInfo > )seatList
seated:	(NSArray<TUISeatInfo > )seatedList
left:	(NSArray<TUISeatInfo > )leftList