[h264_v4l2m2m @ 0x555620e12290] Could not find a valid device[h264_v4l2m2m @ 0x555620e12290] can't configure encoder[ERROR:0@371.218] global cap_ffmpeg_impl.hpp:3264 open Could not open codec h264_v4l2m2m, error: Unspecified error (-22)[ERROR:0@371.218] global cap_ffmpeg_impl.hpp:3281 open VIDEOIO/FFMPEG: Failed to initialize VideoWriter

# use CV2 to compile the frames into a 60 fps video.images= [imgforimginsorted(os.listdir('/home/steven/tmp'))ifimg.endswith('.png')]frame=cv2.imread(os.path.join('/home/steven/tmp',images[0]))height,width,layers=frame.shapevideo=cv2.VideoWriter(f"/home/steven/Videos/{datetime.fromtimestamp(start).strftime('%Y-%m-%d_%H-%M-%S')} -{datetime.fromtimestamp(end).strftime('%Y-%m-%d_%H-%M-%S')}.mp4",cv2.VideoWriter_fourcc(*'avc1'),60, (width,height))forimageinimages:video.write(cv2.imread(os.path.join('/home/steven/tmp',image)))cv2.destroyAllWindows()video.release()