defaults->get("R_V4L2_IN_DEVICE", v4l2_in_device);
defaults->get("R_V4L2JPEG_IN_DEVICE", v4l2jpeg_in_device);
v4l2jpeg_in_fields = defaults->get("R_V4L2JPEG_IN_FIELDS", v4l2jpeg_in_fields);
defaults->get("R_V4L2MPEG_IN_DEVICE", v4l2mpeg_in_device);
defaults->get("R_V4L2_IN_DEVICE", v4l2_in_device);
defaults->get("R_V4L2JPEG_IN_DEVICE", v4l2jpeg_in_device);
v4l2jpeg_in_fields = defaults->get("R_V4L2JPEG_IN_FIELDS", v4l2jpeg_in_fields);
defaults->get("R_V4L2MPEG_IN_DEVICE", v4l2mpeg_in_device);