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Old 1st October 2020, 20:09   #15  |  Link
Stacey Spears
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Join Date: Nov 2009
Location: Sammamish, WA
Posts: 66
Originally Posted by benwaggoner View Post
Yes, x265 absolutely supports encoding Dolby Vision, but only the single-layer Profiles 5, 8.1, and 8.2. So not the dual layer profiles. Profile 5 encodes the same quality at about 20% lower bitrate than dual layer, so that's what everyone is using today for offline playback unless they NEED the SDR backwards compatibility for some reason.
Blu-ray uses Profile 7, which requires the dual layer system. Profile 5 does not offer 20% savings over profile 7 if you are using MEL. It is just one vs. two files.

Does profile 5 support 12-bit? I have mostly worked with profile 7, so not sure if it does or not. With the full enhancement layer, you do get 12-bit support.
Stacey Spears
Co-Creator, Spears & Munsil Ultra HD Benchmark
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dolby vision, x265

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