[Cin] The best strategy to render yuv (mpeg, limited range) from yuvj (jpeg, full range)?
Tarantas
tarantas at cock.li
Wed Aug 28 18:46:47 CEST 2024
On Wed, 28 Aug 2024 10:33:41 +0300
Andrew Randrianasulu via Cin <cin at lists.cinelerra-gg.org> wrote:
> I tried to find how limited/full range works with youtube, and may be
> it was changed recently (post 2015)? Also might depend on browser ...
Youtube re-encodes everything it gots. If case of video in yuvj
(full/jpeg/pc range) youtube re-encodes it into yuv (limited/mpeg/tv
range) by compressing 8 bits into 7.77 bits, which doesn't mess with
the image contrast, but leads to extra color banding. What I am trying
to do is to find a way to skip this extra step by doing the compression
into 7.77 bits of dynamic range by myself from the cinelerra's 32-bit
float RGB.
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