Button to mute microphone and cut video

[Etienne JACQUOT]

Hello everyone

I'm using the demo "group call" to make a proof of concept of videoconference through browsers.
I'm look for a way to add two buttons on the conference room page to mute the user microphone and webcam. I don't know how to make that, espacially what I can change to have this effect. I think that I have to change the constraints on the media stream, but I don't know where ...

Anyone can help me ?

Thanks a lot ! Have a nice day ;)
Etienne

P.S : Sorry for my english. I hope that it is understandable.

[Ivan Gracia]

I guess you could do something like this in the client, wherever you have access to your RTCPeerConnection object

var audioTracks = pc.getLocalStreams()[0].getAudioTracks();

// if MediaStream has reference to microphone
if (audioTracks[0]) {
    audioTracks[0].enabled = false;
}

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[Etienne JACQUOT]

Actually, I don't know where and how the access to the user camera and microphone is given ... because nowhere in the javascript or in the java I found a place with something like "getLocalStream" ...
In the javascript, I just have the constraints on the received video streams.

[Etienne JACQUOT]

Ok, I looked that's it may set up by the kurentoUtils library ... but I still don't how to modify the webrtcpeer by cliking on a button ...
Moving on and I come back to you ;)

[Etienne JACQUOT]

I tried to do something like that in the confrenceRoom.js file :

function muteMicrophone(name) {
    participants[name].rtcPeer.userMediaConstraints = {audio : false};
}

But no effect of course ... But I think that's is the good spirit wright ?
Thks for any help :)

[Ivan Gracia]

You are on the right track ;-) Your rtcPeer object wraps the RTCPeerConnection object, and osme convenience methods have been included. I don't know which version of the kurento-utils-js you are using, but check if you have available the audioEnabled and videoEnabled properties there. If that's the case, this is how your method would look

function muteMicrophone(name) {
    participants[name].rtcPeer.audioEnabled = false;
}

If not, try this one.

function muteMicrophone(name) {
    participants[name].rtcPeer.peerConnection.getLocalStreams()[0].getAudioTracks()[0].enabled = false;
}

Hope that helps,

Ivan Gracia

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[Etienne JACQUOT]

Whaou !!! You give me the way ! Thanks so so much, I won several days of work thanks to you !
I give you the solution, in case of somebody need to make the same thing :

function muteMicrophone(name) {
   
    var audioTracks = participants[name].rtcPeer.pc.getLocalStreams()[0].getAudioTracks();

    // if MediaStream has reference to microphone
    if (audioTracks[0]) {
        audioTracks[0].enabled = false;
    }
}

I imagine that's it almost the same thing to cut the video, I will search this.
Thansk so much again !
Cheers

Etienne

[Etienne JACQUOT]

To know for everyone, to cut the video : it is exactly the same way. You just have to change "audio" by "video" and that's it !

[Ivan Gracia]

You are most welcome :-) It would work the same way with the videos. In the v6 of the library kurento-utils-js, it will be available in the webrtcPeer wrapper object through the audioEnabled property. 

Cheers,

Ivan Gracia

--

[Randall Bennett]

So this was working until recently. I'm not sure when, but it doesn't work anymore in Chrome for sure. We were using it just fine until recently.

I found the previously mentioned audioEnabled and videoEnabled properties, and they don't do anything either. Am I crazy? Is this a chrome change?

rb

[Randall Bennett]

On further testing... I think it's a chrome bug. It seems to work fine in firefox. Kurento 6.2 (utils too)

ff43.04 worked, chrome Version 48.0.2564.103 (64-bit) did not. I'll check against beta channel.

[Randall Bennett]

Testing against beta channel, nothing even records so.... guessing I need to either update my kurento tools or something. Will get it going.

[Ivan Gracia]

Thanks for the feedback!

Ivan Gracia

[nadh...@gmail.com]

Hi Ivan,

Unable to mute the audio using both these methods

function muteMicrophone(name) {
    participants[name].rtcPeer.audioEnabled = false;
}

If not, try this one.

function muteMicrophone(name) {
    participants[name].rtcPeer.peerConnection.getLocalStreams()[0].getAudioTracks()[0].enabled = false;
}

Can you please provide some details on how to mute the audio using kurento 6.5.

[devn...@gmail.com]

Hi Everyone ,

I am Unable to mute the Microphone , Basically I am changing the Mic during the conversion or group call , after that i m try to mute the mic but it doesn't . Before change the mic it mute but after change it not,

Kindly suggest me what should i do?

[Navneet Sharma]

Hi all,

Thanks for the methods specified here. I am posting here what i did for muting/unmuting of audio/video. 

1. Go to your conferenceroom.js 

2. Make function for muting and unmuting of audio/video.

//For muting of audio

function muteAudio(message)

{

participants[username].rtcPeer.audioEnabled = false;

}

//for unmuting of audio

function unmuteAudio(message)

{

participants[username].rtcPeer.audioEnabled = true;

}

//For muting of video

function muteVideo(message) 

{

    participants[username].rtcPeer.videoEnabled = false;

}

// For unmuting of video

function unmuteVideo(message)

{

participants[username].rtcPeer.videoEnabled = true;

}

 

3. Call these function from client side on button click.

Note- Here username is name of the participant for whom you need to play/pause video and audio.

Cheers !! 

Navneet

[ankit...@gmail.com]

Hi Ivan,

I read that changing enabled property will send the empty frames. Is there no reliable way to completely remove and add tracks? Will the addTrack/removeTrack with negotiationneeded event and sending the offer will work for unmuting/muting?

 I am talking about the case in which first people start with mic and wants to turn on camera because I cannot ask for camera before otherwise user may get suspicious when he only wants to use mic and camera later.