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webrtcpeerjs
Luis Alfonso Buelvas Betancour
Luis Alfonso Buelvas Betancour

Reputation: 350

How to stablish a WebRTC connection without cam or mic?

I'm using peerjs to implement a video conference application, the thing is that I want clients to connect even if they don't have mic or camera, when I get the user media I check if they have available devices, when they don't have any or if they block the devices I try to fallback to an empty MediaStream, but when I try to connect two peers the behavior of the connection only works as intended when the initiator has a conventional stream product of calling getUserMedia, if the initiator has an empty MediaStream things just don't work at all.

Upvotes: 0

Views: 1159

Answers (1)

Pierre Noyelle
Pierre Noyelle

Reputation: 591

the OfferToReceiveAudio and OfferToReceiveVideo options of webrtc should allow you to create a recv only peerconnection .

here a reference in peerjs code: https://github.com/peers/peerjs/blob/cfc37c7988d8ef3d2c1d7b6123562dd2af59defc/test/peer.ts#L63

For recent browser and with webrtc native api you have to add Transceiver with direction set to recvonly:

 peerConnection.addTransceiver('audio', {
          direction: 'recvonly',
        });

I don't know how to do that with peerJs

Upvotes: 5

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