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.

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

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

Specifications

Specification
WebCodecs
# dom-encodedvideochunk-type

Browser compatibility

BCD tables only load in the browser