If you are trying to turn a game recording (demo) into a video:
: Import your .gltf or .glb file into Blender. Set your render engine, then under Output Properties , select "FFmpeg Video" and set the container to MPEG-4 . GL-TF2.mp4
: Tools like VirtualDub can combine these frames into a high-quality AVI, which you can then compress to MP4 using software like Sony Vegas or Handbrake . If you are trying to turn a game
To "produce" the file generally refers to one of two things: exporting a Team Fortress 2 (TF2) demo as a video file or converting a glTF 2.0 3D model into an MP4 animation. 1. Converting TF2 Demos to MP4 then under Output Properties