Explore low-latency video encoding with VideoToolbox

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: wwdc2021-10158: $eventId
ID of event: wwdc2021: $eventContentId
ID of session without event part: 10158: $eventShortId
Shortened ID of event: wwdc21: $year
Year of session: 2021: $extension
Extension of original filename: mp4: $filenameAlmostEvery
Filename from "(Almost) Every..." gist: [2021] [Session 10158] Explore l...

WWDC21 • Session 10158

Audio & Video • iOS, macOS • 19:56

Supporting low latency encoders has become an important aspect of video application development process. Discover how VideoToolbox supports low-delay H.264 hardware encoding to minimize end-to-end latency and achieve new levels of performance for optimal real-time communication and high-quality video playback.

Speaker: Peikang Song

Open in Apple Developer site

Downloads from Apple

HD Video (107 MB)
SD Video (40.4 MB)