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4kvideo

  1. A

    4K video extremely lagging in Safari

    hi, video streaming is very laggy in Safari 17.1 /macbook pro M1) it is my personal video uploaded to my server. when I try to watch in safari is terribly laggy. same video in Chrome - smooth and no problem at all. can someone help ne to solve it? thank you
  2. O

    Why is getting 4K YCbCr444 @ even 60Hz so difficult?

    A lot of discussion exists on getting 4K @ 60 or 120Hz with 10-bit HDR and 4:4:4 chroma subsampling (YCbCr444) with an external monitor, but seemingly mostly on the M1 forums. And even then there's little discussion about how to actually get it to work beyond the discussion of the theoretical...
  3. EugW

    iOS/iPadOS 14 and VP9 support [Merged]

    Some questions about VP9 support in iOS 14 and iPadOS 14: 1. This is hardware VP9 support, right? 2. If hardware VP9, which hardware? How far back in terms of Ax chips is this VP9 support included? 3. If VP9 is not supported in hardware, is there software fallback? Do the iPad Air 2 and iPad...