如何从node.js中的连续图像流创建MediaStream轨道？ （用于WebRTC）

Question

I want to stream a robot cam from a web media element. I have access to the camera in node.js, which is providing a live stream of images (continually producing a new frame at ~20fps).

In this same situation in the browser, one could write the image to a canvas and capture the stream.

Is there some way to construct a MediaStreamTrack object that can be directly added to the RTCPeerConnection, without having to use browser-only captureStream or getUserMedia APIs?

I've tried the npm module canvas , which is supposed to port canvas to node -- then maybe I could captureStream the canvas after writing the image to it. But that didn't work.

I'm using the wrtc node WebRTC module with the simple-peer wrapper.

Answer 1

Check out the video-compositing example here.

https://github.com/node-webrtc/node-webrtc-examples