how to make mp4

[superggh]

how to make record of show

[Vottivott]

Hi! You can record an MP4 with play --video True. For example, from the repository directory:

uv sync --locked

uv run play Mjlab-SwingPump-MicroDuck \
  --checkpoint-file experiments/swing/checkpoints/alpha050.pt \
  --num-envs 1 \
  --viewer native \
  --video True \
  --video-length 1500 \
  --video-width 720 \
  --video-height 720

This opens the desktop viewer and records the simulation. 1500 steps corresponds to 30 seconds of simulated time; rendering may take longer.

The MP4 is saved under:

experiments/swing/checkpoints/videos/play/

This uses the .pt training checkpoint, not the ONNX file.

Which policy are you trying to record? I can help with the exact command for that one.