Type

VideoEncodingAdditionalOptions

Additional options that control audio encoding.

type VideoEncodingAdditionalOptions = {
	bitrateMode?: 'constant' | 'variable';
	latencyMode?: 'quality' | 'realtime';
	fullCodecString?: string;
	hardwareAcceleration?: 'no-preference' | 'prefer-hardware' | 'prefer-software';
	scalabilityMode?: string;
	contentHint?: string;
};

Used by

• canEncodeVideo()
• VideoEncodingConfig

Properties

bitrateMode

bitrateMode?: 'constant' | 'variable';

Configures the bitrate mode.

latencyMode

latencyMode?: 'quality' | 'realtime';

The latency mode used by the encoder; controls the performance-quality tradeoff.

fullCodecString

fullCodecString?: string;

The full codec string as specified in the WebCodecs Codec Registry. This string must match the codec specified in codec. When not set, a fitting codec string will be constructed automatically by the library.

hardwareAcceleration

hardwareAcceleration?: 'no-preference' | 'prefer-hardware' | 'prefer-software';

A hint that configures the hardware acceleration method of this codec. This is best left on 'no-preference'.

scalabilityMode

scalabilityMode?: string;

An encoding scalability mode identifier as defined by WebRTC-SVC.

contentHint

contentHint?: string;

An encoding video content hint as defined by mst-content-hint.