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Old 23rd December 2022, 12:51   #20  |  Link
Broadcast Encoder
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Join Date: Nov 2013
Location: Royal Borough of Kensington & Chelsea, UK
Posts: 2,737
Originally Posted by benwaggoner View Post
Are there really still devices that need --slices 4 for H.264 encoding?
all the players I can think of from the last 10+ years work just fine with single slices.
Probably not, but you know, the spec was there back then and it's still there now.
Could it be tossed? Probably, but you know, who would take the risk when you have something in production that has been like this for years and years and suddenly *poof* you get that 1 customer coming back to you complaining eheheheheh
You know what they say "as long as it works, don't touch it" xD

@Beelzebubu... Thank you so much for the very detailed explanation!
Looks like libaom is already doing all the things I want by default (new sequence header for each keyframe, closed gop, temporal delimiter)!
Very very nice.
Now it's just a matter of me tweaking and trying to optimize it for our trailers (yes, that's gonna be the ONLY thing we'll trial with AV1 when we publish to the web, for now).
It's gonna be a good exercise for... next year!
It's December 23rd, so I think I can safely say this now: Merry Christmas and Happy New Year guys!!
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