AVContentKeySesison
Asked on 2025-08-13
1 search
It seems like you're interested in AVContentKeySession, which is related to handling content keys for media playback. While the specific term "AVContentKeySession" wasn't directly mentioned in the provided context, there is relevant information about content keys and media playback in the session titled "Discover media performance metrics in AVFoundation" from WWDC 2024.
In this session, they discuss how AVFoundation handles media segments and content keys during playback. For example, they mention that the AV player fetches media segments along with any required content keys, and that waiting for content key requests can impact startup time. Improving key server performance or preloading keys ahead of playback can help reduce this startup time.
For more detailed insights, you might want to check out the session Discover media performance metrics in AVFoundation (00:01:10) where they discuss these aspects in the context of AVFoundation.

Discover media performance metrics in AVFoundation
Discover how you can monitor, analyze, and improve user experience with the new media performance APIs. Explore how to monitor AVPlayer performance for HLS assets using different AVMetricEvents, and learn how to use these metrics to understand and triage player performance issues.

Learn about the Apple Projected Media Profile
Dive into the Apple Projected Media Profile (APMP) and see how APMP enables 180º/360º and Wide FoV projections in QuickTime and MP4 files using Video Extended Usage signaling. We’ll provide guidance on using OS-provided frameworks and tools to convert, read/write, edit, and encode media containing APMP. And we’ll review Apple Positional Audio Codec’s (APAC) capabilities for creating and delivering spatial audio content for the most immersive experiences.

Support immersive video playback in visionOS apps
Discover how to play immersive videos in visionOS apps. We’ll cover various immersive rendering modes, review the frameworks that support them, and walk through how to render immersive video in your app. To get the most out of this video, we recommend first watching “Explore video experiences for visionOS” from WWDC25.