VideoEncoder

Constructor

VideoEncoder(): Creates a new VideoEncoder object.

Instance properties

Inherits properties from its parent, EventTarget.

VideoEncoder.encodeQueueSize Read only: An integer representing the number of encode queue requests.
VideoEncoder.state Read only: Represents the state of the underlying codec and whether it is configured for encoding.

Events

dequeue: Fires to signal a decrease in VideoEncoder.encodeQueueSize.

Static methods

VideoEncoder.isConfigSupported(): Returns a promise indicating whether the provided VideoEncoderConfig is supported.

Instance methods

Inherits methods from its parent, EventTarget.

VideoEncoder.configure(): Asynchronously prepares the encoder to accept video frames for encoding with the specified parameters.
VideoEncoder.encode(): Asynchronously encodes a VideoFrame.
VideoEncoder.flush(): Returns a promise that resolves once all pending encodes have been completed.
VideoEncoder.reset(): Cancels all pending encodes and callbacks.
VideoEncoder.close(): Ends all pending work and releases system resources.

Specifications

Specification
WebCodecs # videoencoder-interface

Browser compatibility

	desktop					mobile
	Chrome	Edge	Firefox	Opera	Safari	Chrome Android	Firefox for Android	Opera Android	Safari on iOS	Samsung Internet	WebView Android	WebView on iOS
`VideoEncoder`	Chrome – Full support Chrome 94 (Release date: 2021-09-21) footnote Full support	Edge – Full support Edge 94 (Release date: 2021-09-24) footnote Full support	Firefox – Full support Firefox 130 (Release date: 2024-09-03) footnote Full support	Opera – Full support Opera 80 (Release date: 2021-10-05) footnote Full support	Safari – Full support Safari 16.4 (Release date: 2023-03-27) footnote Full support	Chrome Android – Full support Chrome Android 94 (Release date: 2021-09-21) footnote Full support	Firefox for Android – No support Firefox for Android footnote No support	Opera Android – Full support Opera Android 66 (Release date: 2021-12-15) footnote Full support	Safari on iOS – Full support Safari on iOS 16.4 (Release date: 2023-03-27) footnote Full support	Samsung Internet – Full support Samsung Internet 17 (Release date: 2022-05-04) footnote Full support	WebView Android – Full support WebView Android 94 (Release date: 2021-09-21) footnote Full support	WebView on iOS – Full support WebView on iOS 16.4 (Release date: 2023-03-27) footnote Full support
`VideoEncoder()` constructor	Chrome – Full support Chrome 94 (Release date: 2021-09-21) footnote Full support	Edge – Full support Edge 94 (Release date: 2021-09-24) footnote Full support	Firefox – Full support Firefox 130 (Release date: 2024-09-03) footnote Full support	Opera – Full support Opera 80 (Release date: 2021-10-05) footnote Full support	Safari – Full support Safari 16.4 (Release date: 2023-03-27) footnote Full support	Chrome Android – Full support Chrome Android 94 (Release date: 2021-09-21) footnote Full support	Firefox for Android – No support Firefox for Android footnote No support	Opera Android – Full support Opera Android 66 (Release date: 2021-12-15) footnote Full support	Safari on iOS – Full support Safari on iOS 16.4 (Release date: 2023-03-27) footnote Full support	Samsung Internet – Full support Samsung Internet 17 (Release date: 2022-05-04) footnote Full support	WebView Android – Full support WebView Android 94 (Release date: 2021-09-21) footnote Full support	WebView on iOS – Full support WebView on iOS 16.4 (Release date: 2023-03-27) footnote Full support
`close`	Chrome – Full support Chrome 94 (Release date: 2021-09-21) footnote Full support	Edge – Full support Edge 94 (Release date: 2021-09-24) footnote Full support	Firefox – Full support Firefox 130 (Release date: 2024-09-03) footnote Full support	Opera – Full support Opera 80 (Release date: 2021-10-05) footnote Full support	Safari – Full support Safari 16.4 (Release date: 2023-03-27) footnote Full support	Chrome Android – Full support Chrome Android 94 (Release date: 2021-09-21) footnote Full support	Firefox for Android – No support Firefox for Android footnote No support	Opera Android – Full support Opera Android 66 (Release date: 2021-12-15) footnote Full support	Safari on iOS – Full support Safari on iOS 16.4 (Release date: 2023-03-27) footnote Full support	Samsung Internet – Full support Samsung Internet 17 (Release date: 2022-05-04) footnote Full support	WebView Android – Full support WebView Android 94 (Release date: 2021-09-21) footnote Full support	WebView on iOS – Full support WebView on iOS 16.4 (Release date: 2023-03-27) footnote Full support
`configure`	Chrome – Full support Chrome 94 (Release date: 2021-09-21) footnote Full support	Edge – Full support Edge 94 (Release date: 2021-09-24) footnote Full support	Firefox – Full support Firefox 130 (Release date: 2024-09-03) footnote Full support	Opera – Full support Opera 80 (Release date: 2021-10-05) footnote Full support	Safari – Full support Safari 16.4 (Release date: 2023-03-27) footnote Full support	Chrome Android – Full support Chrome Android 94 (Release date: 2021-09-21) footnote Full support	Firefox for Android – No support Firefox for Android footnote No support	Opera Android – Full support Opera Android 66 (Release date: 2021-12-15) footnote Full support	Safari on iOS – Full support Safari on iOS 16.4 (Release date: 2023-03-27) footnote Full support	Samsung Internet – Full support Samsung Internet 17 (Release date: 2022-05-04) footnote Full support	WebView Android – Full support WebView Android 94 (Release date: 2021-09-21) footnote Full support	WebView on iOS – Full support WebView on iOS 16.4 (Release date: 2023-03-27) footnote Full support
`dequeue` event	Chrome – Full support Chrome 106 (Release date: 2022-09-27) footnote Full support	Edge – Full support Edge 106 (Release date: 2022-10-03) footnote Full support	Firefox – Full support Firefox 130 (Release date: 2024-09-03) footnote Full support	Opera – Full support Opera 92 (Release date: 2022-10-19) footnote Full support	Safari – Full support Safari 16.4 (Release date: 2023-03-27) footnote Full support	Chrome Android – Full support Chrome Android 106 (Release date: 2022-09-27) footnote Full support	Firefox for Android – No support Firefox for Android footnote No support	Opera Android – Full support Opera Android 72 (Release date: 2022-10-21) footnote Full support	Safari on iOS – Full support Safari on iOS 16.4 (Release date: 2023-03-27) footnote Full support	Samsung Internet – Full support Samsung Internet 20 (Release date: 2023-02-10) footnote Full support	WebView Android – Full support WebView Android 106 (Release date: 2022-09-27) footnote Full support	WebView on iOS – Full support WebView on iOS 16.4 (Release date: 2023-03-27) footnote Full support
`encode`	Chrome – Full support Chrome 94 (Release date: 2021-09-21) footnote Full support	Edge – Full support Edge 94 (Release date: 2021-09-24) footnote Full support	Firefox – Full support Firefox 130 (Release date: 2024-09-03) footnote Full support	Opera – Full support Opera 80 (Release date: 2021-10-05) footnote Full support	Safari – Full support Safari 16.4 (Release date: 2023-03-27) footnote Full support	Chrome Android – Full support Chrome Android 94 (Release date: 2021-09-21) footnote Full support	Firefox for Android – No support Firefox for Android footnote No support	Opera Android – Full support Opera Android 66 (Release date: 2021-12-15) footnote Full support	Safari on iOS – Full support Safari on iOS 16.4 (Release date: 2023-03-27) footnote Full support	Samsung Internet – Full support Samsung Internet 17 (Release date: 2022-05-04) footnote Full support	WebView Android – Full support WebView Android 94 (Release date: 2021-09-21) footnote Full support	WebView on iOS – Full support WebView on iOS 16.4 (Release date: 2023-03-27) footnote Full support
`encodeQueueSize`	Chrome – Full support Chrome 94 (Release date: 2021-09-21) footnote Full support	Edge – Full support Edge 94 (Release date: 2021-09-24) footnote Full support	Firefox – Full support Firefox 130 (Release date: 2024-09-03) footnote Full support	Opera – Full support Opera 80 (Release date: 2021-10-05) footnote Full support	Safari – Full support Safari 16.4 (Release date: 2023-03-27) footnote Full support	Chrome Android – Full support Chrome Android 94 (Release date: 2021-09-21) footnote Full support	Firefox for Android – No support Firefox for Android footnote No support	Opera Android – Full support Opera Android 66 (Release date: 2021-12-15) footnote Full support	Safari on iOS – Full support Safari on iOS 16.4 (Release date: 2023-03-27) footnote Full support	Samsung Internet – Full support Samsung Internet 17 (Release date: 2022-05-04) footnote Full support	WebView Android – Full support WebView Android 94 (Release date: 2021-09-21) footnote Full support	WebView on iOS – Full support WebView on iOS 16.4 (Release date: 2023-03-27) footnote Full support
`flush`	Chrome – Full support Chrome 94 (Release date: 2021-09-21) footnote Full support	Edge – Full support Edge 94 (Release date: 2021-09-24) footnote Full support	Firefox – Full support Firefox 130 (Release date: 2024-09-03) footnote Full support	Opera – Full support Opera 80 (Release date: 2021-10-05) footnote Full support	Safari – Full support Safari 16.4 (Release date: 2023-03-27) footnote Full support	Chrome Android – Full support Chrome Android 94 (Release date: 2021-09-21) footnote Full support	Firefox for Android – No support Firefox for Android footnote No support	Opera Android – Full support Opera Android 66 (Release date: 2021-12-15) footnote Full support	Safari on iOS – Full support Safari on iOS 16.4 (Release date: 2023-03-27) footnote Full support	Samsung Internet – Full support Samsung Internet 17 (Release date: 2022-05-04) footnote Full support	WebView Android – Full support WebView Android 94 (Release date: 2021-09-21) footnote Full support	WebView on iOS – Full support WebView on iOS 16.4 (Release date: 2023-03-27) footnote Full support
`isConfigSupported()` static method	Chrome – Full support Chrome 94 (Release date: 2021-09-21) footnote Full support	Edge – Full support Edge 94 (Release date: 2021-09-24) footnote Full support	Firefox – Full support Firefox 130 (Release date: 2024-09-03) footnote Full support	Opera – Full support Opera 80 (Release date: 2021-10-05) footnote Full support	Safari – Full support Safari 16.4 (Release date: 2023-03-27) footnote Full support	Chrome Android – Full support Chrome Android 94 (Release date: 2021-09-21) footnote Full support	Firefox for Android – No support Firefox for Android footnote No support	Opera Android – Full support Opera Android 66 (Release date: 2021-12-15) footnote Full support	Safari on iOS – Full support Safari on iOS 16.4 (Release date: 2023-03-27) footnote Full support	Samsung Internet – Full support Samsung Internet 17 (Release date: 2022-05-04) footnote Full support	WebView Android – Full support WebView Android 94 (Release date: 2021-09-21) footnote Full support	WebView on iOS – Full support WebView on iOS 16.4 (Release date: 2023-03-27) footnote Full support
`reset`	Chrome – Full support Chrome 94 (Release date: 2021-09-21) footnote Full support	Edge – Full support Edge 94 (Release date: 2021-09-24) footnote Full support	Firefox – Full support Firefox 130 (Release date: 2024-09-03) footnote Full support	Opera – Full support Opera 80 (Release date: 2021-10-05) footnote Full support	Safari – Full support Safari 16.4 (Release date: 2023-03-27) footnote Full support	Chrome Android – Full support Chrome Android 94 (Release date: 2021-09-21) footnote Full support	Firefox for Android – No support Firefox for Android footnote No support	Opera Android – Full support Opera Android 66 (Release date: 2021-12-15) footnote Full support	Safari on iOS – Full support Safari on iOS 16.4 (Release date: 2023-03-27) footnote Full support	Samsung Internet – Full support Samsung Internet 17 (Release date: 2022-05-04) footnote Full support	WebView Android – Full support WebView Android 94 (Release date: 2021-09-21) footnote Full support	WebView on iOS – Full support WebView on iOS 16.4 (Release date: 2023-03-27) footnote Full support
`state`	Chrome – Full support Chrome 94 (Release date: 2021-09-21) footnote Full support	Edge – Full support Edge 94 (Release date: 2021-09-24) footnote Full support	Firefox – Full support Firefox 130 (Release date: 2024-09-03) footnote Full support	Opera – Full support Opera 80 (Release date: 2021-10-05) footnote Full support	Safari – Full support Safari 16.4 (Release date: 2023-03-27) footnote Full support	Chrome Android – Full support Chrome Android 94 (Release date: 2021-09-21) footnote Full support	Firefox for Android – No support Firefox for Android footnote No support	Opera Android – Full support Opera Android 66 (Release date: 2021-12-15) footnote Full support	Safari on iOS – Full support Safari on iOS 16.4 (Release date: 2023-03-27) footnote Full support	Samsung Internet – Full support Samsung Internet 17 (Release date: 2022-05-04) footnote Full support	WebView Android – Full support WebView Android 94 (Release date: 2021-09-21) footnote Full support	WebView on iOS – Full support WebView on iOS 16.4 (Release date: 2023-03-27) footnote Full support

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Full support: Full support
No support: No support

Legend