VideoEncoder.encode()
Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.
The encode() method of the VideoEncoder interface enqueues a control message to encode a given VideoFrame.
Syntax
VideoEncoder.encode(frame); VideoEncoder.encode(frame, options);
Parameters
frame-
A
VideoFrameobject. -
optionsOptional -
An object containing the following member:
keyFrame-
A
boolean, defaulting tofalsegiving the user agent flexibility to decide if this frame should be encoded as a key frame. Iftruethis indicates that the given frame must be encoded as a key frame.
Return Value
Exceptions
-
DOMExceptionInvalidStateError -
Thrown if the
stateis not"configured". -
DOMExceptionDataError -
Thrown if the
chunkcannot be decoded due to relying on other frames for decoding.
Examples
In the following example encode is passed a VideoFrame, and the options parameter indicating that this frame should be considered a keyframe.
encoder.encode(frame, { keyFrame: true });
Specifications
| Specification |
|---|
| WebCodecs # dom-videoencoder-encode |
Browser compatibility
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
encode |
94 |
94 |
No |
No |
80 |
No |
94 |
94 |
No |
No |
No |
No |
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https://developer.mozilla.org/en-US/docs/Web/API/VideoEncoder/encode