Split get_frame into seek and get_frame
Rename grab_frame to grab_next_frame
Started a simple rewrite with FreeImage
Kind of works again, needs optimization and scaling
Rewrite done, with crude nearest-neighbour downsampling
Fake vertical compression, minor optimizations
Add FindFreeImage.cmake
Higher quality fake compression
If nordlicht_init fails, return NULL. Check this in the tool.
Proper header files, renamed "ffmpeg" to "video"