VideoDecoder.decode()
Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.
The decode() method of the VideoDecoder interface enqueues a control message to decode a given chunk of video.
Syntax
VideoDecoder.decode(chunk)
Parameters
chunk-
An
EncodedVideoChunkobject representing a chunk of encoded video.
Return Value
Exceptions
-
DOMExceptionInvalidStateError -
Thrown if the
stateis not"configured". -
DOMExceptionDataError -
Thrown if the
chunkis unable to be decoded due to relying on other frames for decoding.
Examples
The following example demonstrates how to use the decode() method to decode EncodedVideoChunk objects created from encoded video data.
let responses = await downloadVideoChunksFromServer(timestamp); for (let i = 0; i < responses.length; i++) { let chunk = new EncodedVideoChunk({ timestamp: responses[i].timestamp, data: new Uint8Array ( responses[i].body ) }); decoder.decode(chunk); }
Specifications
| Specification |
|---|
| WebCodecs # dom-videodecoder-decode |
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 | |
decode |
94 |
94 |
No |
No |
No |
No |
94 |
94 |
No |
No |
No |
No |
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https://developer.mozilla.org/en-US/docs/Web/API/VideoDecoder/decode