1777890025.735170 close(50)             = 0
1777890025.735314 close(49)             = 0
1777890025.735474 execve("/usr/lib/firefox/v4l2test", ["/usr/lib/firefox/v4l2test", "-d", "/dev/video2"], 0xffff9ab39710 /* 27 vars */) = 0
1777890025.737034 openat(AT_FDCWD, "/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 7
1777890025.737359 close(7)              = 0
1777890025.737511 openat(AT_FDCWD, "/usr/lib/libc.so.6", O_RDONLY|O_CLOEXEC) = 7
1777890025.738514 close(7)              = 0
1777890025.739670 openat(AT_FDCWD, "/dev/null", O_WRONLY) = 7
1777890025.740160 close(7)              = 0
1777890025.740261 openat(AT_FDCWD, "/dev/video2", O_RDWR|O_NONBLOCK) = 7
1777890025.740479 ioctl(7, VIDIOC_QUERYCAP, {driver="hantro-vpu", card="rockchip,rk3568-vepu-enc", bus_info="platform:fdee0000.video-codec", version=KERNEL_VERSION(6, 19, 10), capabilities=V4L2_CAP_VIDEO_M2M_MPLANE|V4L2_CAP_EXT_PIX_FORMAT|V4L2_CAP_STREAMING|V4L2_CAP_DEVICE_CAPS, device_caps=V4L2_CAP_VIDEO_M2M_MPLANE|V4L2_CAP_EXT_PIX_FORMAT|V4L2_CAP_STREAMING}) = 0
1777890025.740623 openat(AT_FDCWD, "/sys/kernel/mm/transparent_hugepage/enabled", O_RDONLY) = 8
1777890025.740916 close(8)              = 0
1777890025.741232 ioctl(7, VIDIOC_ENUM_FMT, {index=0, type=V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, flags=V4L2_FMT_FLAG_COMPRESSED, description="JFIF JPEG", pixelformat=v4l2_fourcc('J', 'P', 'E', 'G') /* V4L2_PIX_FMT_JPEG */}) = 0
1777890025.741380 ioctl(7, VIDIOC_ENUM_FMT, {index=1, type=V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE}) = -1 EINVAL (Invalid argument)
1777890025.741508 ioctl(7, VIDIOC_ENUM_FMT, {index=0, type=V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, flags=0, description="Planar YUV 4:2:0 (N-C)", pixelformat=v4l2_fourcc('Y', 'M', '1', '2') /* V4L2_PIX_FMT_YUV420M */}) = 0
1777890025.741634 ioctl(7, VIDIOC_ENUM_FMT, {index=1, type=V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, flags=0, description="Y/UV 4:2:0 (N-C)", pixelformat=v4l2_fourcc('N', 'M', '1', '2') /* V4L2_PIX_FMT_NV12M */}) = 0
1777890025.741760 ioctl(7, VIDIOC_ENUM_FMT, {index=2, type=V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, flags=0, description="YUYV 4:2:2", pixelformat=v4l2_fourcc('Y', 'U', 'Y', 'V') /* V4L2_PIX_FMT_YUYV */}) = 0
1777890025.741906 ioctl(7, VIDIOC_ENUM_FMT, {index=3, type=V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, flags=0, description="UYVY 4:2:2", pixelformat=v4l2_fourcc('U', 'Y', 'V', 'Y') /* V4L2_PIX_FMT_UYVY */}) = 0
1777890025.742033 ioctl(7, VIDIOC_ENUM_FMT, {index=4, type=V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE}) = -1 EINVAL (Invalid argument)
1777890025.742151 close(7)              = 0
1777890025.742724 +++ exited with 0 +++