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 insecure contexts (HTTPS), in some or allsupporting browsers.
Note: This feature is available inDedicated Web Workers.
TheVideoDecoder interface of theWebCodecs API decodes chunks of video.
Constructor
VideoDecoder()Creates a new
VideoDecoderobject.
Instance properties
Inherits properties from its parent,EventTarget.
VideoDecoder.decodeQueueSizeRead onlyAn integer representing the number of queued decode requests.
VideoDecoder.stateRead onlyIndicates the current state of decoder. Possible values are:
"unconfigured""configured""closed"
Events
dequeueFires 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 |