Source(-Engine) Demo Recording and Video Rendering
Demo Recording, Editing and Playing
record <name> stop
SHIFT+F2 for demo player,
loading demo files, jumping, and other playback options
from demo player:
Demo editor to skip certain areas etc., saved to an extra file.
So your demo will not be changed.
Demo Smoother for manual camera positioning, moving and smoothing.
Demo Video Creation
for parameters; your choice
set settings as in what to render (resolution, graphic details)
sv_cheats 1 host_framerate <30>
to set the framerate you want in the video/rendering.
To start the movie rendering of demo, enter the following commands into console:
startmovie <videoname> playdemo <demoname>
and when it’s done, type
This will have exported to tga files and a wav file.
For recording to avi, use
startmovie <videoname>.avi avi