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Solution: do not send HTTP requests from Chrome to the same site HLS via HTTPS is playing from
9. The second and following subscribers may play LL HLS ABR stream may be played with a big delay in iOS Safari 16.
Symptoms: first all the subscribers using iOS Safari subscriber plays a 16, play LL HLS ABR stream normally but all the following subscribers play it with a big delay (more than 20 seconds) from published stream
Solution: do not use LL HLS ABR update WCS to build 5.2.1677 to use m4s container by default for LL HLS and wait for a posssible fix in iOS Safari 17
10. HLS ABR may not be played if m4s container is used
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02:18:01,957 ERROR HlsAbrStreamProvider - HLS-HTTPS-pool-5-thread-1 Failed to check stream null java.lang.NullPointerException |
Solution: use ts container: update WCS to build 5.2.1677 where the issue is resolved
11. VLC requires LL HLS manifest to include at least 4-6 segments for the first subscriber
Symptoms: audio and video are out of sync when VLC plays LL HLS in m4s container, or playback is freezing while switching a quality in LL HLS ABR
Solution: update WCS to build 5.2.1677 and increase a minimal manifest size
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llhls_hlsmin_fragmentedlist_mp4size=false6 |