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Sorry for replying to my own post.

AV1 encoder has a latency allowance parameter, which you can set to zero. Something like av1enc ... lag-in-frames=0

Obviously h.265 has same low latency option like h.264, in form of not using B-frames.

The question remains, which one performs the best?

Is AV1 with lag-in-frames=0 actually usable in practical applications with the available hardware? How much quality suffers from not being able to predict from future frames in comparison to other codecs?

Anyways I really like the ability to specify balance between latency and quality in AV1 and VP9.




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