It's a pretty simple patch. Media player -> projector
Instead of palindrome it runs the same as loop.
WIN 10 Pro 21H2
Isadora 3.2.6
Intel(R) Xeon(R) W-2245 CPU @ 3.90GHz 3.91 GHz
Video Codec: HAP
H264 seems to do as wanted, but stuttering while reverse (probably because of compressed codec?)