web api instance property
SourceBuffer: appendWindowStart property
Available in workers
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. Coded media frames with timestamps within this range will be
appended, whereas those outside the range will be filtered out.
The default value of appendWindowStart is the presentation start time,
which is the beginning time of the playable media.
Value
A double, indicating the start time of the append window, in seconds.
Exceptions
The following exceptions may be thrown when setting a new value for this property:
InvalidAccessErrorDOMException- : Thrown if an attempt was made to set the value to less than 0 or to a value greater
than or equal to
appendWindowEnd.
- : Thrown if an attempt was made to set the value to less than 0 or to a value greater
than or equal to
InvalidStateErrorDOMException- : Thrown if this
SourceBufferobject is being updated (i.e., itsupdatingproperty is currentlytrue), or thisSourceBufferhas been removed from theMediaSource.
- : Thrown if this
Examples
TBD
Specifications
SpecificationsStandards references are available on the canonical MDN page.
Browser compatibility
Browser compatibilityCompatibility data is available on the canonical MDN page.