Insertable streams for MediaStreamTrackLimited availability
The MediaStreamTrackProcessor and MediaStreamTrackGenerator APIs modify the contents of a media track for merging streams, applying real-time effects like funny hats, and content overlays.
Not yet supported in all major browsers — check the table and provide a fallback.
Browser support
DesktopChrome
✕Not supportedup to 155
Current: 155Edge
✕Not supportedup to 154
Current: 154Firefox
✕Not supportedup to 157
Current: 157Safari
1–17.6Not supported
18+Supportedsince Sep 16, 2024
Current: 27MobileChrome Android
✕Not supportedup to 155
Current: 155Firefox Android
✕Not supportedup to 157
Current: 157Safari iOS
1–17.6Not supported
18+Supportedsince Sep 16, 2024
Current: 27How to use
Not supported in Chrome, Edge, Firefox, Chrome Android, Firefox Android. Use feature detection below and provide a fallback (or a polyfill) for those browsers.
Example
Full syntax and examples are on MDN: MediaStreamTrackProcessor.
Feature detection
JS · check before using
if ("MediaStreamTrackProcessor" in globalThis) {
// MediaStreamTrackProcessor is available
} else {
// load a polyfill or use a fallback
}Sub-features
Support for each part of the feature (8). The overall table above shows when the whole feature works.
| Sub-feature | Chrome | Edge | Firefox | Safari | Chrome Android | Firefox Android | Safari iOS |
|---|---|---|---|---|---|---|---|
| MediaStreamTrackProcessor | ✕ | ✕ | ✕ | 18 | ✕ | ✕ | 18 |
| MediaStreamTrackProcessor.MediaStreamTrackProcessor | ✕ | ✕ | ✕ | 18 | ✕ | ✕ | 18 |
| MediaStreamTrackProcessor.readable | ✕ | ✕ | ✕ | 18 | ✕ | ✕ | 18 |
| VideoTrackGenerator | ✕ | ✕ | ✕ | 18 | ✕ | ✕ | 18 |
| VideoTrackGenerator.VideoTrackGenerator | ✕ | ✕ | ✕ | 18 | ✕ | ✕ | 18 |
| VideoTrackGenerator.muted | ✕ | ✕ | ✕ | 18 | ✕ | ✕ | 18 |
| VideoTrackGenerator.track | ✕ | ✕ | ✕ | 18 | ✕ | ✕ | 18 |
| VideoTrackGenerator.writable | ✕ | ✕ | ✕ | 18 | ✕ | ✕ | 18 |