Unable to compile under Visual C++ 2022 for Unreal 5.4

[Cloudhopper3]

I am attempting to use this plugin in UE 5.4, as I have migrated my project from 4.27. Do you have any guidance on how to correct the build errors, like

FFMPEGMediaTracks.h(47): warning C4471: 'AVMediaType': a forward declaration of an unscoped enumeration must have an underlying type

or

FFMPEGMediaTracks.h(398): error C2061: syntax error: identifier 'AVStream'

It's been a while since I've programmed in C++, and it seems to continuously evolve, were code that worked a year ago no longer can be compiled.

I'm using Visual C++ 2022 to build the code. I have removed all references to Win32 which is no longer supported.