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EncodedVideoChunk: type property

Limited availability

This feature is not Baseline because it does not work in some of the most widely-used browsers.

Note: This feature is available in Dedicated Web Workers.

The type read-only property of the EncodedVideoChunk interface returns a value indicating whether the video chunk is a key chunk, which does not rely on other frames for decoding.

Value

A string, one of:

"key"

The data is a key chunk.

"delta"

The data is not a key chunk.

Examples

In the following example the type is printed to the console.

const init = {
  type: "key",
  data: videoBuffer,
  timestamp: 23000000,
  duration: 2000000,
};
const chunk = new EncodedVideoChunk(init);

console.log(chunk.type); // "key"

Specifications

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
type 94 94 130 80 16.4 94 No 66 16.4 17.0 94 16.4

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https://developer.mozilla.org/en-US/docs/Web/API/EncodedVideoChunk/type