I am using the Friction 1.0.0-rc.2 .appimage for the first time. I created a simple animation of a .png at 100% brightness in raster effects, changing in opacity. When I try to render, I get this critical error, and nothing is exported:
2) 160 : videoencoder.cpp : openVideo()
Generic error in an external library
1) 160 : videoencoder.cpp : openVideo()
Could not open codec
0) 581 : videoencoder.cpp : startEncodingNow()
Error opening video stream
I made a pretty simple animation, and haven't modified the appimage outside of downloading it to my desktop folder, so I do not know why I get this error.