2017-10-15 84 views
2

我有類似的問題,但無法弄清楚發生了什麼。我有一個.Net頁面,其中包含用於訂閱的所有TokBox方法。我啓動一個新窗口(用於多個流的視頻監視器),初始化客戶端,將它們的clientSessions存儲在數組中,並在頁面上以網格模式顯示訂閱的流(在本例中僅使用一個客戶端)。我創建每次我與打開頁面時初始化每個客戶端會話:TokBox錯誤:OT.Session:無法連接,會話已被定義爲

lstSessions[i] = opener.initializeClientSession(apiKey, sessionId, token, $('Player'+i), 'subscribe'); 

在揭幕戰頁:

function initializeClientSession(apiKey, sessionId, token, container, myAction) { 
var clientSession = OT.initSession(apiKey, sessionId); 
console.log('initializeClientSession: ' + sessionId); 

clientSession.connect(token, function (error) { 
    if (error) { 
     console.log("ERROR: initializeClientSession: " + myAction + " " + error); 
    } 
    else { 
     console.log("clientSession connected: " + myAction + " " + clientSession.id); 

     switch(myAction) { 
      case "publish": 
       publishClientVideo(clientSession, container); 
       break; 
      case "subscribe": 
       subscribeClientVideo(clientSession, container); 
       break; 
      case "delay": 
       if (inPVM) publishClientVideo(clientSession, container); 
       break; 
     } 
    } 
}); 
return clientSession; 

}

function subscribeClientVideo(clientSession, container) { 
console.log("subscribeClientVideo: " + container.id + " " + clientSession.id); 

clientSession.on('streamCreated', function (event) { 
    console.log("streamCreated: " + event.stream.id); 
    clientSubscriber = clientSession.subscribe(event.stream, container, { 
     insertMode: 'append', 
     width: '100%', 
     height: '100%' 
    }, function (error) { 
     if (error) { 
      console.log("ERROR clientSession.subscribe: " + error); 
     } 
     else { 
      console.log("Client subscribed: inPVM = " + inPVM); 
     } 
    }); 

}); 

}

我關閉視頻監視器和取消訂閱流:

function unsubscribeClientVideo(clientSession, container) { 
    console.log("unsubscribeClientVideo: " + clientSession.id + " " + contianer.id); 
    container.style.visibility = 'hidden'; 
    try { 
     clientSession.unsubscribe(clientSubscriber); 
    } 
    catch (e) { 
     console.log("ERROR unsubscribeClientVideo: " + e); 
    } 
} 

第一次打開視頻監視器頁面時,此功能正常工作。但是,當我第二次嘗試時,出現錯誤「OT.Session:無法連接,會話已經未定義」。從控制檯日誌中我得到:

initializeClientSession: 2_MX40NTk1MjgxMn5-MTUwODA2NzU5NzcxNH55WVIzNXNtREpLREl0bHlUTGxhcWJBOFV-fg 
clientSession connected: subscribe 2_MX40NTk1MjgxMn5-MTUwODA2NzU5NzcxNH55WVIzNXNtREpLREl0bHlUTGxhcWJBOFV-fg 
subscribeClientVideo: videoPlayer0 2_MX40NTk1MjgxMn5-MTUwODA2NzU5NzcxNH55WVIzNXNtREpLREl0bHlUTGxhcWJBOFV-fg 
streamCreated: e5ad9453-aa55-41ec-b150-d8dfd5b04875 
Client subscribed: inPVM = true 

在第二次嘗試:

initializeClientSession: 2_MX40NTk1MjgxMn5-MTUwODA2NzU5NzcxNH55WVIzNXNtREpLREl0bHlUTGxhcWJBOFV-fg 
OT.Session: Cannot connect, the session is already undefined 

我在unsubscribeClientVideo檢查的ClientSession,它說,它的連接。實際的客戶端正常發佈,沒有任何錯誤或警告。那麼,「SESSION」怎麼會是未定義的呢?我沒有觸及我所知道的「會話」。顯然,這裏有一些我真的不明白的地方。任何幫助不勝感激。

回答

2

我猜的警告「OT.Session:無法連接,會話已經不明確」有點讓人誤解。在您的unsubscribeClientVideo功能中,您所做的只是取消訂閱其中一個訂閱者的視頻訂閱源,但實際上您仍然連接到該會話。簡而言之,您嘗試通過運行clientSession.connect()函數兩次連接到已連接的會話。

+0

一行修復!無法告訴你我一直試圖弄清楚這一點。我只是添加了clientSession.disconnect();在取消發佈功能,一切都很好。那個消息太可怕了!......完全向錯誤的方向發送了我。感謝您的澄清! – Velocedge

+0

非常歡迎! :) – Utkarsh

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