Quickblox Flutter SDK-正在进行通话，但视频没有流

编程问答 2022-06-12

问题描述

我是新手，它已经过去了几天，我正在努力使用alpha sdk进行视频通话。我可以拨打电话，可以听见音频，但不能播放视频（没有本地视频，也没有远程视频流）

所有权限都从设置中授予应用。

Android手机转android模拟器-音频正常工作，但没有视频 Android手机到Android手机-音频正常工作，但没有视频 Android手机转IOS模拟器-音频正常工作，但无视频。

  • SDK初始化很好

  • 聊天已连接

  • WebRTC初始化在调用之前可以正常工作。

  • 我进行视频通话，

      startCall(opponentIds) async{

  bool connected = await QB.chat.isConnected();
  print('starting call'+connected.toString());
  int sessionType = QBRTCSessionTypes.VIDEO;

  try {
    QBRTCSession session = await QB.webrtc.call(opponentIds,sessionType);
    print('starting call'+session.toString());
    sessionId = session.id;
    play(myQBUserId,opponentIds[0],session.id);
  } on PlatformException catch (e) {
    print('error while initializing call'+e.toString());
  }
}

  • ListenforCall 

      _listenForCall() async {
  print('listening for call');
  String eventName = QBRTCEventTypes.CALL;
  try {
    await QB.webrtc.subscribeRTCEvent(eventName,(data) async {
      Map<String,Object> payloadMap = new Map<String,Object>.from(data["payload"]);
      Map<String,Object> sessionMap = new Map<String,Object>.from(payloadMap["session"]);
      String sessionId = sessionMap["id"];
      int initiatorId = sessionMap["initiatorId"];
      int callType = sessionMap["type"];

      setState(() {
        this.sessionId = sessionId;
        _incomingCall = true;
      });
      play(myQBUserId,initiatorId,sessionId);
    });

    await QB.webrtc.subscribeRTCEvent(QBRTCEventTypes.RECEIVED_VIDEO_TRACK,Object>.from(payloadMap["session"]);
      String sessionId = sessionMap["id"];
      int initiatorId = sessionMap["initiatorId"];
      int callType = sessionMap["type"];

      print('receiving video even from initiator:'+initiatorId.toString());

      this.sessionId = sessionId;
      setState(() {
        _callStarted = true;
      });

      await QB.webrtc.enableAudio(sessionId,enable: true);

      await QB.webrtc.enableVideo(sessionId,enable: true);

    });

  } on PlatformException catch (e) {
    print('error while listening for calls'+e.toString());
  }
}

  • 接听电话

      _acceptCall() async{
  try {

    QBRTCSession session = await QB.webrtc.accept(sessionId);
    print('listening call'+session.id+',initiatorid:'+session.initiatorId.toString());
    sessionId = session.id;
    play(myQBUserId,session.initiatorId,sessionId);
    setState(() {
      _callStarted = true;
    });

  } on PlatformException catch (e) {
    // Some error occured,look at the exception message for more details
  }
}

  • 结束通话

      _endCall() async{
  try {
    QBRTCSession session = await QB.webrtc.hangUp(sessionId);
    setState(() {
      _callStarted = false;
      _incomingCall = false;
    });
  } on PlatformException catch (e) {
    // Some error occured,look at the exception message for more details
  }
}

  • 来自-https://docs.quickblox.com/docs/flutter-video-calling#setup-video-chat-layouts

    的视频通话布局 
    RTCVideoViewController _localVideoViewController;
RTCVideoViewController _remoteVideoViewController;
...
child: new Container(
  margin: new EdgeInsets.fromLTRB(10.0,10.0,10.0),width: 160.0,height: 160.0,child: RTCVideoView(
    onVideoViewCreated: _onLocalVideoViewCreated,),decoration: new Boxdecoration(color: Colors.black54),)
 
...

child: new Container(
  margin: new EdgeInsets.fromLTRB(10.0,child: RTCVideoView(
    onVideoViewCreated: _onRemoteVideoViewCreated,)
  
...

void _onLocalVideoViewCreated(RTCVideoViewController controller) {
  _localVideoViewController = controller;
}

void _onRemoteVideoViewCreated(RTCVideoViewController controller) {
  _remoteVideoViewController = controller;
}

解决方法

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