function videoMeetingCallBack(data, status, oper)
{
	var thisRoom = data.obj;
	switch (status){
		case "connect success":
		//connect success
		break;
		case "connect failed":
		case "connect closed":
		//connect failed
		break;
		case "onChatRoomMessage":
			//Receive chat room  message
			break;
		case "onWebrtcMessage":
			//Video interface message
			switch(data.type)
			{
				case "streamCreated":
					//Create the local video stream，and the data.status == "success" means success
					break;
				case "srcApplyUpload":
					//Apply for upload，and the data.status == "success" means success
					break;
				case "addUploader":
					//Someone has joined the meeting
					break;
				case "removeUploader":
					//Someone has left the meeting
					break;
				case "delChannel":
					//delete the meeting room，and the data.status == "success" means success
					break;
				case "createChannel":
					//create a meeting room，and the data.status == "success" means success
					break;
				case "streamData":
					//Receive real-time data
					break;
				case "streamConfig":
					//Set the callback of the video size 
					break;
				case "serverErr":
					//server error
					break;
			}
			break;
	}
}

/**
 * Create a video meeting room
 * @param _oper							Operation type: new: create, open: join
 * @param _userCallback					callback
 * @param _userData						Store information about the video meeting room（id，name，creator），and the structure is{"roomInfo":{"id":"", "name":"", "creator":""}}
 */
StarRtc.StarSDK.getVideoMeetingRoomSDK = function (_oper, _userCallback, _userData) 

Sample：
var starSDK = new StarRtc.StarSDK();
currRoom = starSDK.getVideoMeetingRoomSDK("open", videoMeetingCallBack, {"roomInfo":{"id":"", "name":"", "creator":""}});

/**
 * Connect to  the room
 */	
StarRtc.StarRoomSDK.sigConnect = function () 


/**
 * Disconnect to  the room
 * @param flag	The flag of Whether to disconnect actively, which is used to determine reconnection
 */
StarRtc.StarRoomSDK.sigDisconnect = function (_flag)

/**
 * Create a room
 */
StarRtc.StarRoomSDK.createNew = function () 

/**
 * Delete a room
 */
StarRtc.StarRoomSDK.deleteCurrRoom = function () 

/**
 * Create a local video stream
 * @param streamOption 	Stream configuration（Resolution, etc.），such as{ "video": true, "audio": { deviceId: { ideal: ["default"] } } }， or{ "video": { width: { ideal: 640 }, height: { ideal: 480 }, frameRate: { ideal: 25 }, facingMode: { ideal: ["user"] } }, "audio": { deviceId: { ideal: ["default"] } }
			}
 */
StarRtc.StarRoomSDK.createStream = function (streamOption) 

/**
 * Create a shared screen video stream
 */
StarRtc.StarRoomSDK.createScreenCaptureStream = function () 

/**
 *  Set the visibility of the stream （It will affect both local and far peer streams）
 * 	@param config Stream visibility configuration{"video":true, "audio":true}
 */
StarRtc.StarRoomSDK.publishStream = function (config)

/**
 * join the room
 */
StarRtc.StarRoomSDK.joinRoom = function () 

/**
 * leave the room
 * @param _flag		Whether to leave the roomactively（optional）
 */
StarRtc.StarRoomSDK.leaveRoom = function (_flag) 

/**
 * Switch the size of the view
 * @param streamConfig	Switch the configuration of the size map, 1 for small, 2 for large[1,2,1,2...]
 */
StarRtc.StarRoomSDK.streamConfigApply = function (streamConfig) 

/**
 * Send a chat room message
 * @param msg	message
 */
StarRtc.StarRoomSDK.sendChatMsg = function (msg)

/**
 * Send voip message（IM one-to-one chat message）
 * @param msg	message
 */
StarRtc.StarRoomSDK.sendVoipMsg = function (msg) 

/**
 * Send chat room private message
 * @param toUserId	the user ID the meaasge will be sent to
 * @param msg		message
 */
StarRtc.StarRoomSDK.sendChatPrivateMsg = function (userId, msg) 

/**
 * Kick out the user
 * @param kickOutUserId	the user ID who will be kicked out
 */
StarRtc.StarRoomSDK.kickOutUser = function (kickOutUserId)

/**
 * Speaking not allowed in the room
 * @param banUserId    the user ID of who is speaking not allowed 
 * @param banTime    the time duration of speaking not allowed
 */
StarRtc.StarRoomSDK.banToSendMsg = function (banUserId, banTime)

/**
 * Get the number of online users in the chat room 
 */
StarRtc.StarRoomSDK.getRoomOnlineNum = function () 

/**
 * Send real-time data
 * @param data	real-time data
 */	
StarRtc.StarRoomSDK.sendStreamData = function (data) 

/**
 * Get the disconnect satus:active or passive?
 */