VideoEncoder
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 VideoEncoder
interface of the WebCodecs API encodes VideoFrame
objects into EncodedVideoChunk
s.
Constructor
VideoEncoder()
-
Creates a new
VideoEncoder
object.
Instance properties
Inherits properties from its parent, EventTarget
.
VideoEncoder.encodeQueueSize
Read only-
An integer representing the number of encode queue requests.
VideoEncoder.state
Read only-
Represents the state of the underlying codec and whether it is configured for encoding.
Events
dequeue
-
Fires to signal a decrease in
VideoEncoder.encodeQueueSize
.
Static methods
VideoEncoder.isConfigSupported()
-
Returns a promise indicating whether the provided
VideoEncoderConfig
is supported.
Instance methods
Inherits methods from its parent, EventTarget
.
VideoEncoder.configure()
-
Asynchronously prepares the encoder to accept video frames for encoding with the specified parameters.
VideoEncoder.encode()
-
Asynchronously encodes a
VideoFrame
. VideoEncoder.flush()
-
Returns a promise that resolves once all pending encodes have been completed.
VideoEncoder.reset()
-
Cancels all pending encodes and callbacks.
VideoEncoder.close()
-
Ends all pending work and releases system resources.
Specifications
Specification |
---|
WebCodecs # videoencoder-interface |
Browser compatibility
BCD tables only load in the browser