I'm not understanding if there are any settings provided in blender that allow me to meet these criteria. I can meet and understand the other recommended settings outside of the h.264 part below, so let's assume were dealing with an .mp4 container and aac audio codec. Whenever I upload an mp4 with h.264, aac audio, high quality, and the rest of the settings default it always tells me its not in a proper streamable format. It's a case where I'm worried it might be hurting quality, I need to improve quality where possible...which in youtube terms could mean making it smaller file size or meeting the low standardization it sets out.

https://support.google.com/youtube/answer/1722171?hl=en
Video codec: H.264
(1) Progressive scan (no interlacing)
(2) High Profile
(3) 2 consecutive B frames
(4) Closed GOP. GOP of half the frame rate.
(5) CABAC
(6) Variable bitrate. No bitrate limit required, though we offer recommended bit rates below for reference
(7) Chroma subsampling: 4:2:0

Questions:
(1) Is there a setting to make sure it renders as 1080p rather than 1080i? or does it by default?
(2) I don't know what high profile refers to...? I handbreak they had a legacy setting called high profile....in blender is it referring to the crf value of 'high quality rendering in blender'?
(3) Blender has "keyframe interval = 18" by default. So do I change this to 2? or is this referring to something else?
(4) or is keyframe interval referring to this setting here? Let's say my fps was 23.93, do I do a value of 11 or 12 rounding up?
(5) Is this automatically applied in blender?
(6) Again, is there a setting to enable variable bit rate in blender? I assume its constant by default
(7) I'm guessing this is default in blender. It's referring to 8 bit colour depth in ur video right?

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