SourceBuffer.appendWindowEnd - Web APIs 编辑

Experimental

This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

Draft

This page is not complete.

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. Coded media frames with timestamps wthin this range will be appended, whereas those outside the range will be filtered out.

The default value of appendWindowEnd is positive infinity.

Syntax

var myAppendWindowEnd = sourceBuffer.appendWindowEnd;

sourceBuffer.appendWindowEnd = 120.0;

Value

A double, indicating the end time of the append window, in seconds.

Exceptions

The following exceptions may be thrown when setting a new value for this property.

ExceptionExplanation
InvalidAccessErrorAn attempt was made to set the value to less than or equal to SourceBuffer.appendWindowStart, or NaN.
InvalidStateErrorThis SourceBuffer object is being updated (i.e. its SourceBuffer.updating property is currently true), or this SourceBuffer has been removed from the MediaSource.

Example

TBD

Specifications

SpecificationStatusComment
Media Source Extensions
The definition of 'appendWindowEnd' in that specification.
RecommendationInitial definition.

Browser compatibility

BCD tables only load in the browser

See also

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