Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.
The ImageDecoder interface of the WebCodecs API provides a way to unpack and decode encoded image data.
ImageDecoder
Constructor
-
ImageDecoder() -
Creates a new
ImageDecoderobject.
Properties
-
ImageDecoder.completeRead only -
Returns a
booleanindicating whether the data is completely buffered. -
ImageDecoder.completedRead only -
Returns a
Promisethat resolves oncecompleteis true. -
ImageDecoder.tracksRead only -
Returns an
ImageTrackListobject listing the available tracks and providing a method for selecting a track to decode.
Methods
-
ImageDecoder.close() -
Ends all pending work and releases system resources.
-
ImageDecoder.decode() -
Enqueues a control message to decode the frame of an image.
-
ImageDecoder.reset() -
Resets all states including configuration, control messages in the control message queue, and all pending callbacks.
Specifications
| Specification |
|---|
| WebCodecs # imagedecoder-interface |
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 | |
ImageDecoder |
94
|
94
|
No
|
No
|
80
|
No
|
94
|
94
|
No
|
66
|
No
|
17.0
|
ImageDecoder |
94
|
94
|
No
|
No
|
80
|
No
|
94
|
94
|
No
|
66
|
No
|
17.0
|
close |
94
|
94
|
No
|
No
|
80
|
No
|
94
|
94
|
No
|
66
|
No
|
17.0
|
complete |
94
|
94
|
No
|
No
|
80
|
No
|
94
|
94
|
No
|
66
|
No
|
17.0
|
completed |
94
|
94
|
No
|
No
|
80
|
No
|
94
|
94
|
No
|
66
|
No
|
17.0
|
decode |
94
|
94
|
No
|
No
|
80
|
No
|
94
|
94
|
No
|
66
|
No
|
17.0
|
isTypeSupported |
94
|
94
|
No
|
No
|
80
|
No
|
94
|
94
|
No
|
66
|
No
|
17.0
|
reset |
94
|
94
|
No
|
No
|
80
|
No
|
94
|
94
|
No
|
66
|
No
|
17.0
|
tracks |
94
|
94
|
No
|
No
|
80
|
No
|
94
|
94
|
No
|
66
|
No
|
17.0
|
type |
94
|
94
|
No
|
No
|
80
|
No
|
94
|
94
|
No
|
66
|
No
|
17.0
|
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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/ImageDecoder
