custom_nodes/ComfyUI-AnimateDiff-Evolved/video_formats/av1-webm.json

{
    "main_pass":
    [
        "-n", "-c:v", "libsvtav1",
        "-pix_fmt", "yuv420p10le",
        "-crf", "23"
    ],
     "extension": "webm",
     "environment": {"SVT_LOG": "1"}
}