MacOS ffmpeg x265 does not have `–dhdr10-info` for HDR10+ encoding

[soeryobadja]

Hi all,

I use FastFlix in MacOS10.14, with FastFlix ver4.2.2 and FFmpeg 5.1.2 static builds for macOS. I tried to compress an existing 4k file with HDR10+, firstly by ensuring that HDR10+ metadata is available (confirmed), then extracting the metadata (confirmed) and putting the metadata in HDR10+ metadata file in the GUI. However, after finish encoding, the resulting file shows as HDR10 in MediaInfo, not with the HDR10+. Is there any setting that needs to be put inside the GUI to enable HDR10+ media file result?

Thanks.

[cdgriffith]

Does the output log have this warning at the top?

x265 [warning]: –dhdr10-info disabled. Enable HDR10_PLUS in cmake

More details https://github.com/cdgriffith/FastFlix#hdr10-1

I honestly don't know of a Mac OS FFmpeg prebuilt that has HDR10+ enabled by default, usually have to build it yourself.

[soeryobadja]

Tried again just now, and yes the output log contains the warning. Thanks for pointing this.

Any chance you can share some easily followed guide to build FFmoeg that I can start with? I am not an expert in build and compile but eager to learn and try/follow some guide.

Thanks.

On Sun, 26 Feb 2023 at 22.30 Chris Griffith @.***> wrote:

Does the output log have this warning at the top?

x265 [warning]: –dhdr10-info disabled. Enable HDR10_PLUS in cmake

More details https://github.com/cdgriffith/FastFlix#hdr10-1

I honestly don't know of a Mac OS FFmpeg prebuilt that has HDR10+ enabled by default, usually have to build it yourself.

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