SourceBuffer.timestampOffset

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  1. Syntax
  2. Example
  3. Specifications
  4. Browser compatibility
  5. See also

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

Draft
This page is not complete.

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

The initial value of timestampOffset is 0.

Syntax

var myOffset = sourceBuffer.timestampOffset;

sourceBuffer.timestampOffset = 2.5;

Value

A double, with the offset amount expressed in seconds.

Errors

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

Error Explanation
InvalidStateError One or more of the SourceBuffer objects in MediaSource.sourceBuffers are being updated (i.e. their SourceBuffer.updating property is currently true), a media segment inside the SourceBuffer is currently being parsed, or this SourceBuffer has been removed from the MediaSource.

Example

TBD

Specifications

Specification Status Comment
Media Source Extensions
The definition of 'timestampOffset' in that specification.		 Recommendation Initial definition.

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidEdge MobileFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
Basic supportChrome Full support 31
Full support 31
No support 23 — 31
Prefixed
Prefixed Implemented with the vendor prefix: -webkit-
Edge Full support 12Firefox Full support 42
Full support 42
No support 25 — 42
Notes Disabled
Notes Limited support to a whitelist of sites, for example YouTube, Netflix, and other popular streaming sites. The whitelist was removed when Media Source Extensions was enabled by default in Firefox 42.
Disabled From version 25 until version 42 (exclusive): this feature is behind the media.mediasource.enabled preference (needs to be set to true). To change preferences in Firefox, visit about:config.
IE Full support 11
Notes
Full support 11
Notes
Notes Only works on Windows 8+.
Opera Full support 15Safari Full support 8WebView Android Full support 4.4.3Chrome Android ? Edge Mobile Full support YesFirefox Android No support NoOpera Android Full support 30Safari iOS No support NoSamsung Internet Android ?

Legend

Full support  
Full support
No support  
No support
Compatibility unknown  
Compatibility unknown
See implementation notes.
See implementation notes.
User must explicitly enable this feature.
User must explicitly enable this feature.
Requires a vendor prefix or different name for use.
Requires a vendor prefix or different name for use.

See also

Document Tags and Contributors

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Contributors to this page: fscholz, abbycar, chrisdavidmills
Last updated by: fscholz,