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What to do if WebRTC on iOS shows a black box

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I was doing a project using WebRTC and in particular with the PeerJS library.

It worked fine on desktop but on iOS Safari, all I was seeing for the video streams was a black box.

Even for the local stream.

What I had to do was to add the playsinline attribute to the video tags for both the local and remote streams:

<video id="local" autoplay playsinline muted></video>
<video id="remote" autoplay playsinline></video>

(note: it’s playsInline in JSX)

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