dechroma
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Chroma key compositing (e.g., green screen) for HTML canvas-manipulated video, using ImageData.
$ npm i dechroma
# or
$ yarn add dechroma
# or
$ pnpm add dechroma
import { dechroma } from 'dechroma';
...
const video = document.querySelector('video');
const c = document.querySelector('canvas');
const ctx = c.getContext('2d');
...
video.addEventListener('play', drawVideo);
function drawVideo() {
ctx.drawImage(video, 0, 0, width, height);
const frame = ctx.getImageData(0, 0, width, height);
// Remove green screen
dechroma(frame, [0, 100], [170, 255], [0, 110]);
ctx.putImageData(frame, 0, 0);
requestAnimationFrame(drawVideo);
}
Licensed under the MIT License.
FAQs
Chroma keying for canvas-manipulated video
The npm package dechroma receives a total of 2 weekly downloads. As such, dechroma popularity was classified as not popular.
We found that dechroma demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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