The room appeared to be a narrow hallway in a basement, perhaps a storage unit or an old office complex. Boxes were stacked to the ceiling, their labels faded into illegible gray smears. The camera sat perfectly still, its logic circuit waiting for a change in pixels to trigger a "recording" that likely went nowhere.
Use PTP (Precision Time Protocol) or NTP to synchronize all cameras. Then use ffmpeg's -vsync cfr (constant frame rate) flag. inurl multicameraframe mode motion work
Keywords integrated for semantic SEO: inurl scanner, multi-camera motion detection, frame-based analytics, video motion mode, surveillance software architecture. The room appeared to be a narrow hallway