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Beginner
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createroom error

Hi,

I get the following error when I call N.API.createRoom (I use Node 6.9.5)

/opt/intelcs/webrtc/Release-v3.4/extras/basic_example/nuve.js:8 

TypeError: a.forEach is not a function
   at c (/opt/intelcs/webrtc/Release-v3.4/extras/basic_example/nuve.js:8:10901)
   at Object.e [as createRoom] (/opt/intelcs/webrtc/Release-v3.4/extras/basic_example/nuve.js:8:11273)


....

 

the api I call is:

N.API.createRoom(roomName, 
{
 mode: 'hybrid',
 publishLimit: -1,
 userLimit: 200,
 viewports: {
   "common": {
 mediaMixing: {
   video: {
     maxInput: 30,
     resolution: 'hd720p',
     multistreaming: 1,
     bitrate: 300,
     bkColor: {"r":0, "g":0, "b":0},
     layout: {
     custom: '[{"region":[{"id": "1", "left": 0,"top": 0,"relativesize": 1}]},{"region": [{"id": "1","left": 0,"top": 0.25,"relativesize": 0.49 }, {"id": "2", "left": 0.51, "top": 0.25,"relativesize": 0.49 }]}]'
     },
     avCoordinated: 0,
     crop: 1
   },
   audio: null
 },
 sipInfo:{
    sipServer:'127.0.0.1',
    username:'phone',
    password:'xxx'
 }
   }
   
}
}, 
function (roomID) {
myRoom = roomID._id;
console.log('Created room ', myRoom);
 
var type = 'socketio';
var preference = {isp: 'isp', region: 'region'};
 
N.API.createToken(myRoom, username, role, type, preference,  function (token) {
console.log(token);
res.send( JSON.stringify({token: token , roomId: myRoom}) );
return;
 
}, function() {
 
// errore createToken
res.send(getExceptionJ("Errore durante la creazione del Token di accesso.", err));
return;
 
});  // end gestione createToken
 
}, 
function() {
 
// errore createRoom
res.send(getExceptionJ("Errore durante la creazione della Room.", err));
return;
 
}
);

 

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11 Replies
Highlighted
47 Views

Hi, there are 2 issues in the createRoom data:

1. as document https://software.intel.com/sites/products/documentation/webrtc/js/class_n_1_1_a_p_i.html#a54e2842c746d3a992891635a571cf511 defined: viewport values should be an array not an object

2. common  should be the value, its key should be name, viewports should work if defined like this: 

viewports:[{name:"common", mediaMixing: {}}]

 

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Beginner
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Thanks for the reply. 

I think you have to correct the example in the documentation on the page you mentioned. My code was taken up exactly from this example:

N.API.createRoom('myRoom', {
mode: 'hybrid',
publishLimit: -1,
userLimit: 30,
viewports: {
"common": {
mediaMixing: {
video: {
maxInput: 15,
resolution: 'hd720p',
multistreaming: 1,
bitrate: 0,
bkColor: {"r":1, "g":2, "b":255},
layout: {
base: 'lecture',
},
avCoordinated: 1,
crop: 1
},
audio: null
},
},
"another": {
mediaMixing: {
video: {
maxInput: 15,
resolution: 'hd1080p',
multistreaming: 1,
bitrate: 0,
bkColor: {"r":1, "g":2, "b":255},
layout: {
base: 'lecture',
},
avCoordinated: 1,
crop: 1
},
audio: null
},
}
}
}, function (res) {
console.log ('Room', res.name, 'created with id:', res._id);
}, function (err) {
console.log ('Error:', err);
});

 

 

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Thanks for the correction, we will update doc in the future release

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Beginner
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Hi,

I'm trying to create a room with the options below. However the room is created with the default options and no viewport is created.

In the logs I do not seem to see any  error.

What am I doing wrong?

 

opts = { 
        mode: 'hybrid',
        publishLimit: -1,
        userLimit: 200,
        enableMixing : 1,
        viewports: [
        {
                   name : "common",
                   mediaMixing: {
                  video: {
                            maxInput: 30,
                            resolution: 'hd1080p',
                            multistreaming: 1,
                            bitrate: 300,
                            bkColor: {"r":0, "g":0, "b":0},
                            layout: {
                                    custom: [{"region":[{"id": "1", "left": 0,"top": 0,"relativesize": 1}]},{"region": [{"id": "1","left": 0,"top": 0.25,"relativesize": 0.49                                                     }, {"id": "2", "left": 0.51, "top": 0.25,"relativesize": 0.49 }]}]
                            },
                      avCoordinated: 0,
                      crop: 1
              },
                      audio: null
            }
        },                 
         {
              name : "regia",
                      mediaMixing: {
                                      video: {
                                                maxInput: 30,
                                                resolution: 'hd1080p',
                                                multistreaming: 1,
                                        bitrate: 300,
                                              bkColor: {"r":0, "g":0, "b":0},
                                                layout: {
                                                custom: [{"region":[{"id": "1", "left": 0,"top": 0,"relativesize": 1}]},{"region": [{"id": "1","left": 0,"top":                                                                                         0.25,"relativesize": 0.49 }, {"id": "2", "left": 0.51, "top": 0.25,"relativesize": 0.49 }]}]
                                                },
                                                avCoordinated: 0,
                                        crop: 1
                                        },
                                audio: null
                    }
               }
           ]
};
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Beginner
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Hi,

no indication on my last question?

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Hi, David, there is a bug in v3.4 for viewport, and we have fixed it in v3.4.1. Please use MCU with 3.4.1

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Beginner
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updating to version 3.4.1 has resolved the problem, but the mixed stream bitrate does not meet the maximum set limit of 300 Kbs. It is around 2 Mbps. Why?

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Hi, david, bitrate option in createRoom API is deprecated in 3.4, if you want to limit bitrate of subscribed stream, please specify qualituLevel option in subscribe API.

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one mistake in previous comment, should be qualityLevel:

Hi, david, bitrate option in createRoom API is deprecated in 3.4, if you want to limit bitrate of subscribed stream, please specify qualityLevel option in subscribe API.

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Beginner
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Ok thanks for the reply but I would like to understand in more detail the effect of these parameters on a video session of "n" participants with heterogeneous network bandwidth. 

I'm developing a web conference application that aims to have 100 participants, so I have to be sure of the network bandwidth that I have to allocate on the server.

 

many thanks for the kind reply you will give me

 

David

 

 

 

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For subscribe actions, bandwidth mainly related to resolution and qualityLevel, here is a reference table for bitrate in different resolution and qualityLevel:

bitrate.png

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