Determine canSkip based on age of last playlist request #6300
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robwalch
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* patch/v1.5.x: Bugfix: Patch for light player exception with audio groups (#6342) Do not use "levelCodec" to instantiate SourceBuffer when multiple audio codec strings are present in the Multivariant Playlist variant CODECS attribute with muxed content (#6341) Bugfix: preferManagedMediaSource:false when MSE is not present (#6338) Determine canSkip based on age of last playlist request (#6300) API.md update removeLevel
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This PR will...
Determine whether the
_HLS_skipparam should be added based on the age of the last Level request. This check is also completed immediately before the next Level request.Why is this Pull Request needed?
The previous
getSkipValuelogic was calculating the_HLS_skipparam by comparing CAN-SKIP-UNTIL seconds, tosnChangeGoalin segments.This update proposes new logic to determine if we should skip segments based on the age of the last playlist request. The HLS Spec mentions the following in 6.3.7 - Requesting Playlist Delta Updates:
The
getSkipValuemethod was previously getting called in the BasePlaylistController'splaylistLoadedmethod, where the playlist age would be a fraction of a second. It has been moved into theloadPlaylistmethod to ensure that we are checking the age of the previous playlist call immediately before the new playlist request is made.Are there any points in the code the reviewer needs to double check?
Delta Playlist stream I've been testing with from the THEO Player test page:
https://cdn-vos-ppp-01.vos360.video/Content/HLS_HLSCLEAR/Live/channel(PPP-LL-2HLS)/index.m3u8
I haven't tested with a stream that only has the
CAN-SKIP-UNTILdirective and noCAN-BLOCK-RELOAD, so I'd like to test that case to make sure there are no regressions to: #3670Resolves issues:
Checklist