Optimize live streams with HLS Playlist Delta Updates

WWDC Index does not host video files

If you have access to video files, you can configure a URL pattern to be used in a video player.

Use any of these variables in your URL pattern, the pattern is stored in your browsers' local storage.

$id
ID of session: wwdc2020-10230: $eventId
ID of event: wwdc2020: $eventContentId
ID of session without event part: 10230: $eventShortId
Shortened ID of event: wwdc20: $year
Year of session: 2020: $extension
Extension of original filename: mp4: $filenameAlmostEvery
Filename from "(Almost) Every..." gist: [2020] [Session 10230] Optimize ...

WWDC20 • Session 10230

Media • iOS, macOS, tvOS, watchOS • 7:33

Discover Playlist Delta Updates, an HLS feature that optimizes the delivery of live streams with large playback windows and lots of metadata. We'll show you how Playlist Delta Updates can reduce overheard when producing live streams, provide higher-quality variants for people with slower connections, and integrate advertising.

Speaker: Roger Pantos

Open in Apple Developer site

Downloads from Apple

HD Video (60.3 MB)
SD Video (20 MB)