Content Steering #5191
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Content Steering #5191
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Optimize MANIFEST_PARSED level filtering Optimize Media Playlist check
… (unless building without Content Steering support) Store and return seperate LevelAttributes per Fallback Stream URL Align Level audio and text group ids with Fallback Stream URLs (Level._urlId)
…ch when attributes do not change
…title tracks update as well
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This PR will...
Add support for HLS Content Steering. This includes Steering Manifest loading and refresh, as well as Pathway grouping, selection and Pathway Cloning.
Support for legacy redundant streams is maintained and covered by new tests. The HLS.js light build options remove the Content Steering Controller from the light build. The light build treats the multiple Pathways as redundant levels so long as they have variants with matching quality attributes (same as previous releases without Content Steering/PATHWAY-ID support).
The advantage of using a Steering Manifest is that it allows for more dynamic redundancy and URL/host switching, controlled remotely.
With these changes the player will always switch to the Steering Manifest's highest priority Pathway regardless of errors encounters. A followup PR will address Pathway error penalties and switching Pathways on error.
Resolves issues:
Addresses a majority of #5074
Pathway penalty will be addressed in a follow up PR (#5241):
Checklist