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Showing content from https://developer.cdn.mozilla.net/en-US/docs/Web/API/VideoDecoder/VideoDecoder below:

VideoDecoder: VideoDecoder() constructor - Web APIs

VideoDecoder: VideoDecoder() constructor

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Note: This feature is available in Dedicated Web Workers.

The VideoDecoder() constructor creates a new VideoDecoder object with the provided init.output callback assigned as the output callback, the provided init.error callback as the error callback, and the VideoDecoder.state set to "unconfigured".

Syntax
new VideoDecoder(options)
Parameters
options

An object containing two callbacks.

output

A callback which takes a VideoFrame object as its only argument.

error

A callback which takes an Error object as its only argument.

Examples

In the following example a VideoDecoder is created with the two required callback functions, one to deal with the decoded frame and the other to handle errors.

const videoDecoder = new VideoDecoder({
  output: processVideo,
  error: onEncoderError,
});
Specifications Browser compatibility

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