[CentOS] missing V4L or related dependencies

Mon Jul 23 21:48:50 UTC 2012
Boris Epstein <borepstein at gmail.com>

Hello all,

I am trying to install Epiphan's ( http://www.epiphan.com/ ) VGA2USB device
on a Centos 6 machine and when I am trying to compile and install the
driver for it I get the following errors:

WARNING: /lib/modules/2.6.32-279.2.1.el6.x86_64/extra/vga2usb.ko needs
unknown symbol videobuf_streamoff
WARNING: /lib/modules/2.6.32-279.2.1.el6.x86_64/extra/vga2usb.ko needs
unknown symbol videobuf_poll_stream
WARNING: /lib/modules/2.6.32-279.2.1.el6.x86_64/extra/vga2usb.ko needs
unknown symbol video_ioctl2
WARNING: /lib/modules/2.6.32-279.2.1.el6.x86_64/extra/vga2usb.ko needs
unknown symbol videobuf_reqbufs
WARNING: /lib/modules/2.6.32-279.2.1.el6.x86_64/extra/vga2usb.ko needs
unknown symbol videobuf_dqbuf
WARNING: /lib/modules/2.6.32-279.2.1.el6.x86_64/extra/vga2usb.ko needs
unknown symbol videobuf_to_vmalloc
WARNING: /lib/modules/2.6.32-279.2.1.el6.x86_64/extra/vga2usb.ko needs
unknown symbol videobuf_vmalloc_free
WARNING: /lib/modules/2.6.32-279.2.1.el6.x86_64/extra/vga2usb.ko needs
unknown symbol video_devdata
WARNING: /lib/modules/2.6.32-279.2.1.el6.x86_64/extra/vga2usb.ko needs
unknown symbol videobuf_stop
WARNING: /lib/modules/2.6.32-279.2.1.el6.x86_64/extra/vga2usb.ko needs
unknown symbol videobuf_read_stream
WARNING: /lib/modules/2.6.32-279.2.1.el6.x86_64/extra/vga2usb.ko needs
unknown symbol videobuf_querybuf
WARNING: /lib/modules/2.6.32-279.2.1.el6.x86_64/extra/vga2usb.ko needs
unknown symbol video_unregister_device
WARNING: /lib/modules/2.6.32-279.2.1.el6.x86_64/extra/vga2usb.ko needs
unknown symbol videobuf_qbuf
WARNING: /lib/modules/2.6.32-279.2.1.el6.x86_64/extra/vga2usb.ko needs
unknown symbol video_register_device
WARNING: /lib/modules/2.6.32-279.2.1.el6.x86_64/extra/vga2usb.ko needs
unknown symbol videobuf_iolock
WARNING: /lib/modules/2.6.32-279.2.1.el6.x86_64/extra/vga2usb.ko needs
unknown symbol videobuf_streamon
WARNING: /lib/modules/2.6.32-279.2.1.el6.x86_64/extra/vga2usb.ko needs
unknown symbol videobuf_queue_vmalloc_init
WARNING: /lib/modules/2.6.32-279.2.1.el6.x86_64/extra/vga2usb.ko needs
unknown symbol videobuf_mmap_mapper
WARNING: /lib/modules/2.6.32-279.2.1.el6.x86_64/extra/vga2usb.ko needs
unknown symbol videobuf_mmap_free

Does anybody happen to know which library I need to install to get these
functions?

Thanks.

Boris.