[HLS Announce 4] LL-HLS PRELOAD-HINT implementation now available
[HLS Announce 4] LL-HLS PRELOAD-HINT implementation now available
- Subject: [HLS Announce 4] LL-HLS PRELOAD-HINT implementation now available
- From: Roger Pantos via HLS-Announce <email@hidden>
- Date: Tue, 11 Feb 2020 16:06:19 -0800
As announced last month, we are replacing the use of HTTP/2 Push in Low-Latency
HLS with a new tag, EXT-X-PRELOAD-HINT.
Support for the new PRELOAD-HINT behavior is present in AVPlayer in the current
beta seeds of iOS 13.4, iPadOS 13.4, tvOS 13.4, and macOS Catalina 10.15.4. As
a reminder, LL-HLS remains in Beta; accessing low-latency mode requires the use
of an application with an entitlement.
We have released an update to the HLS Low-Latency Beta Tools that supports
generating the EXT-X-PRELOAD-HINT tag and the new blocking behavior for Partial
Segment downloads. It includes a new non-PHP implementation of the HLS Origin
API. See the tools ReadMe files for more detail. View downloads
<https://developer.apple.com/download/more/?=HLS>
There is a live example stream available here:
https://ll-hls-test.apple.com/master.m3u8
<https://ll-hls-test.apple.com/master.m3u8>
Finally, we have updated our public documentation for LL-HLS to reflect the new
rules:
https://developer.apple.com/documentation/http_live_streaming/protocol_extension_for_low-latency_hls_preliminary_specification
<https://developer.apple.com/documentation/http_live_streaming/protocol_extension_for_low-latency_hls_preliminary_specification>
Roger Pantos
Apple Inc.
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