Versions Compared

Key

  • This line was added.
  • This line was removed.
  • Formatting was changed.

...

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

...

Code Block
themeRDark
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

Code Block
themeRDark
llhls_hlsmin_fragmentedlist_mp4size=false6