Repository navigation
Define Presentation Timestamp - #976
Merged
Merged
Conversation
Add a definition for Presentation Timestamp to the Definitions section, link references across the specification, and remove redundant codec copying notes from VideoFrame timestamp/duration attributes (which are covered normatively by the codec output algorithms and noted in the Presentation Timestamp definition). Fixes w3c#107
padenot
approved these changes
Oct 19, 2026
| to be presented (rendered) relative to other frames or chunks in the same | ||
| media sequence. | ||
|
|
||
| The origin (zero point) of the timestamp is defined by the media source and |
Collaborator
There was a problem hiding this comment.
maybe "by the media itself", so that the confusion with MediaSource isn't possible.
| media sequence. | ||
|
|
||
| The origin (zero point) of the timestamp is defined by the media source and | ||
| does not necessarily correspond to wall-clock time, nor is it guaranteed to |
Collaborator
There was a problem hiding this comment.
Maybe we can even flip this, saying that those times are not associated with a clock domain, and this is just a media timeline.
But this isn't wrong either.
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
Fixes #107
Preview | Diff