Iron Squid

I believe `AudioEncoder.cpp` requires an update to `AVCodecContext::channels` and `AVCodecContext::channel_layout`. Here is the output from the attempted compilation. I believe only the part after [28%] is of use, but I...

### Hydrus version 581 ### Qt major version Qt 6 ### Operating system Linux (specify distro and version in comments) ### Install method Extract ### Install and OS comments OS:...