Class

WebMOutputFormat

WebM file format, based on Matroska.

Supports writing transparent video. For a video track to be marked as transparent, the first packet added must contain alpha side data.

Extends: MkvOutputFormat

Constructor

constructor(
	options?: MkvOutputFormatOptions,
): WebMOutputFormat;

Creates a new WebMOutputFormat configured with the specified options.

See MkvOutputFormatOptions.

Properties

fileExtension

get fileExtension(): string;

The file extension used by this output format, beginning with a dot.

mimeType

get mimeType(): string;

The base MIME type of the output format.

supportsVideoRotationMetadata

get supportsVideoRotationMetadata(): boolean;

Whether this output format supports video rotation metadata.

Methods

getSupportedCodecs()

getSupportedCodecs(): MediaCodec[];

Returns a list of media codecs that this output format can contain.

See MediaCodec.

getSupportedTrackCounts()

getSupportedTrackCounts(): TrackCountLimits;

Returns the number of tracks that this output format supports.

See TrackCountLimits.