Deprecated
This feature is no longer recommended. Though some browsers might still support it, it may have already been removed from the relevant web standards, may be in the process of being dropped, or may only be kept for compatibility purposes. Avoid using it, and update existing code if possible; see the compatibility table at the bottom of this page to guide your decision. Be aware that this feature may cease to work at any time.
The trackDefaults
property of the
SourceBuffer
interface specifies the default values to use if kind,
label, and/or language information is not available in the initialization segment of
the media to be appended to the SourceBuffer
.
Syntax
var myTrackDefaults = sourceBuffer.trackDefaults;
sourceBuffer.trackDefaults = myTrackDefaultList;
Value
A TrackDefaultList
object.
Exceptions
The following exceptions may be thrown when setting a new value for this property.
Exception | Explanation |
---|---|
InvalidStateError |
One or more of the SourceBuffer objects in
MediaSource.sourceBuffers are being updated (i.e. their
SourceBuffer.updating property is currently true ), or
this SourceBuffer has been removed from the
MediaSource . |
Example
TBD
Browser compatibility
BCD tables only load in the browser