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Guides and information for WebRTC developers

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Chad Hart

Guide breakout box, createImageBitmap, ImageCapture, insertable streams, MediaStreamTrackProcessor, OffscreenCanvas, ReadableStreams, takePhoto

Ways to save an image from your webcam in 2022

Exploration and examples of the 5 different ways you can save an image from your webcam in JavaScript in 2022. Includes canvas.toBlob, OffscreenCanvas, createImageBitmap, ImageCapture, and ReadableStreams / MediaStreamTrackProcessor

Chad Hart · January 18, 2022

Guide breakout box, green screen, immersive view, insertable streams, MediaPipe, together mode, transparency, virtual background

How to add virtual background transparency in WebRTC

There is a cool new feature everyone has been trying to implement – background transparency. Virtual backgrounds have been around for a while. Rather than inserting a new background behind user(s), transparency removes the background altogether, allowing the app to place users over a screen share or together in a shared environment. There doesn’t seem […]

Chad Hart · November 2, 2021

Standards av1, Bernard Aboba, ietf, insertable streams, ORTC, Q&A, quic, sframe, simulcast, w3c, webcodecs, webtransport

WebRTC Today & Tomorrow: Interview with W3C WebRTC Chair Bernard Aboba

Interview with WebRTC standards co-chair and author, Bernard Aboba. We cover the current status of WebRTC and where it is headed including WebRTC-NV, Simulcast, SVC, AV1, WebTransport, WebCodecs, ML and more.

Chad Hart · December 22, 2020
local Jitsi recording hack with getDisplayMedia audio capture and mediaRecorder

Guide getDisplayMedia, jitsi, mediaRecorder, Walkthrough

Using getDisplayMedia for local recording with audio on Jitsi

I wanted to add local recording to my own Jitsi Meet instance. The feature wasn’t built in the way I wanted, so I set out on a hack to build something simple. That lead me down the road to  discovering that: getDisplayMedia for screen capture has many quirks, mediaRecorder for media recording has some of its […]

Chad Hart · June 30, 2020

Guide computer vision, Intel, Walkthrough

Accelerated Computer Vision inside a WebRTC Media Server with Intel OWT

WebRTC has made getting and sending real time video streams (mostly) easy. The next step is doing something with them, and machine learning lets us have some fun with those streams. Last month I showed how to run Computer Vision (CV) locally in the browser. As I mentioned there, local is nice, but sometimes more performance […]

Chad Hart · April 3, 2020

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