Turn a video into a DEPTH MAP: a grayscale video where brightness encodes distance, used as a motion reference so a new generated subject moves exactly like your source clip. Pass video_url (a public https video URL) OR one of your own Switch video ids (from list_my_videos or list_my_assets). For an external URL also pass duration_seconds (the clip length; your own Switch videos carry it automatically) because the render is billed per second of video. Returns a task_id right away; poll get_depth_map_status until the download URL is ready (usually a few minutes). If the render fails, your tokens are returned automatically.