v4l2_close        182 libavdevice/v4l2.c     v4l2_close(fd);
v4l2_close        973 libavdevice/v4l2.c     v4l2_close(s->fd);
v4l2_close       1006 libavdevice/v4l2.c     v4l2_close(s->fd);
v4l2_close       1066 libavdevice/v4l2.c         v4l2_close(s->fd);
v4l2_close       1077 libavdevice/v4l2.c             v4l2_close(s->fd);