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mharsch
Level 7

which HLS spec version is supported?

The SDKv48 wiki refers (and links) to draft-pantos-http-live-streaming-03 but then states:
"Roku is currently compatible with version 3 of this specification"

The Abstract for draft-pantos-http-live-streaming-03 says:
"It describes version 2 of this protocol"

Version 3 of the protocol appears to be introduced by draft-pantos-http-live-streaming-05

The current version of the draft is draft-pantos-http-live-streaming-10 (which maps to protocol version 5), and it contains some significant additions since 03(v2).

Could someone from Roku engineering clarify which firmware versions implement which HLS protocol versions? Bonus points for setting expectations for upcoming changes wrt HLS features.

Thanks,
Mike
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shumanity
Level 7

Re: which HLS spec version is supported?

I can't speak for Roku Engineering, though I'll be curious to see their answer.

I can tell you, however, that I had to look into this a bit last week. I made two copies of an M3U8 that were exactly the same apart from the #EXT-X-VERSION line, one set to 3 and the other set to 5. My Roku 2 happily played the #EXT-X-VERSION:3 and refused to play the #EXT-X-VERSION:5.
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