omxplayer is deprecated - investigate use of vlc instead
The omxplayer github site states that omxplayer is deprecated as of 2020/08/21 (or thereabouts). The code is still there but they suggest moving to vlc.
VLC only works if we can drop the use of the UI. However, it may also be much more heavy-weight than oxmplayer because it has a UI, meaning builds could be far more complex and there may be many more dependencies.
Buildroot has VLC but I don't know if it's hardware accelerated for the Raspberry Pi. Even if it is it may require having Buildroot grab the userland tools (EGL, for example) for it's build instead of grabbing them via PiBox. I'm not sure that's how I want to handle this or not.