... static const gchar *scene_mode_names[] = { "MANUAL", "CLOSEUP", "PORTRAIT", "LANDSCAPE", "UNDERWATER", "SPORT", "SNOW_BEACH", "MOOD", "NIGHT_PORTRAIT", "NIGHT_INDOOR", "FIREWORKS" }; ... v4l2filter requests target format 2592x1944/V4L2_PIX_FMT_YUYV [v4l2:VIDIOC_S_FMT:V4L2_BUF_TYPE_VIDEO_CAPTURE] ...