VideoDecoder
Limited availability
This feature is not Baseline because it does not work in some of the most widely-used browsers.
Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.
Note: This feature is available in Dedicated Web Workers.
The VideoDecoder interface of the WebCodecs API decodes chunks of video.
Constructor
VideoDecoder()-
Creates a new
VideoDecoderobject.
Instance properties
Inherits properties from its parent, EventTarget.
VideoDecoder.decodeQueueSizeRead only-
An integer representing the number of queued decode requests.
VideoDecoder.stateRead only-
Indicates the current state of decoder. Possible values are:
"unconfigured""configured""closed"
Events
dequeue-
Fires to signal a decrease in
VideoDecoder.decodeQueueSize.
Static methods
VideoDecoder.isConfigSupported()-
Returns a promise indicating whether the provided
VideoDecoderConfigis supported.
Instance methods
Inherits methods from its parent, EventTarget.
VideoDecoder.configure()-
Enqueues a control message to configure the video decoder for decoding chunks.
VideoDecoder.decode()-
Enqueues a control message to decode a given chunk of video.
VideoDecoder.flush()-
Returns a promise that resolves once all pending messages in the queue have been completed.
VideoDecoder.reset()-
Resets all states including configuration, control messages in the control message queue, and all pending callbacks.
VideoDecoder.close()-
Ends all pending work and releases system resources.
Specifications
| Specification |
|---|
| WebCodecs # videodecoder-interface |
Browser compatibility
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