Media player support for large resolution video files

I’m trying to use Media Player for playback for a bunch of video files that have large custom resolutions (around 9000x6000 pixels @ 60fps), and I’m having trouble finding the right format for this.

I have checked the Media Framework technical reference, and could not find relevant information.
It says *.mov files are supported (but below it says it’s not recommended to use) but *.mov is just a container for various codecs and can’t find any information anywhere on supported codecs.

Reformatting the content to multiple h264/5 *.mp4 would work but it’s a very messy solution and I’m also trying to avoid high compression codecs.

Tried the following codecs:

HAP, but seems that Unreal’s HAP support is limited to ~1K@60fps or 2x4k@30fps.
Photo/JPEG codec doesn’t seem to work in UE5.2 (error: file too big for 32bit reader)

Is there any way to playback large resolution video files?

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I am in the me situation. Needing to map many highres files for preview purposes on a projection mapping. Let me know if you found a solution! I will update here if I am on to something!