SourceBuffer

The SourceBuffer interface represents a chunk of media to be passed into an HTMLMediaElement and played, via a MediaSource object.

MDN Reference

Properties

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The appendWindowEnd property of the SourceBuffer interface controls the timestamp for the end of the append window, a timestamp range that can be used to filter what media data is appended to the SourceBuffer.

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The appendWindowStart property of the SourceBuffer interface controls the timestamp for the start of the append window, a timestamp range that can be used to filter what media data is appended to the SourceBuffer.

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The buffered read-only property of the SourceBuffer interface returns the time ranges that are currently buffered in the SourceBuffer as a normalized TimeRanges object.

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The mode property of the SourceBuffer interface controls whether media segments can be appended to the SourceBuffer in any order, or in a strict sequence.

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The timestampOffset property of the SourceBuffer interface controls the offset applied to timestamps inside media segments that are appended to the SourceBuffer.

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The updating read-only property of the SourceBuffer interface indicates whether the SourceBuffer is currently being updated — i.e., whether an SourceBuffer.appendBuffer() or SourceBuffer.remove() operation is currently in progress.

Functions

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fun abort()

The abort() method of the SourceBuffer interface aborts the current segment and resets the segment parser.

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The appendBuffer() method of the SourceBuffer interface appends media segment data from an ArrayBuffer, a TypedArray or a DataView object to the SourceBuffer.

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fun changeType(type: String)

The changeType() method of the SourceBuffer interface sets the MIME type that future calls to SourceBuffer.appendBuffer should expect the new media data to conform to.

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fun remove(start: Double, end: Double)

The remove() method of the SourceBuffer interface removes media segments within a specific time range from the SourceBuffer.

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