[AG-TECH] video capture
Gavin W. Burris aka 86
ga5in at psu.edu
Wed Oct 20 13:44:58 CDT 2004
You may need to create the device in the /dev file system.
# cd /dev
# ./MAKEDEV video
# ls -al /dev/video /dev/video0
Patrick Johnson wrote (on Wed, 20 Oct 2004 at 11:29):
>
>
> I'm attempting to install a Hauppauge WINTV RADIO pci card (BT878
> chipset) on my RedHat Enterprise Linux WS version 3. The driver for the
> card is the bttv driver. From my research about the driver it is
> suppose to be built into the Linux kernel. I'm running Kernel
> 2.4.21-20EL-i686. RedHat's hardware browser shows the card as a video
> capture card and defines the driver as bttv. However the card is not
> "mapped" to a device. I tried running
>
>
>
> % xawtv -noxv
>
> And it returned
>
> Can't open /dev/video0
>
>
>
> I don't really now how to troubleshoot this as I'm still a novice Linux
> user.
>
>
>
> I looked under /lib/modules/<Kernel version>/Kernel/drivers and I didn't
> see the bttv module. When I try to modprobe for bttv it returns an
> error saying it can't locate the module.
>
> However, when I look under
> /usr/src/linux-2.4.21-20.EL/drivers/media/video I do see the bttv module
> source.
>
>
>
> Do I need to rebuild the Kernel? I don't know how to tell if the bttv
> driver is already there and I don't know how to rebuild the kernel
> either. I apologize if this is the wrong mailing list to be asking this
> type of question but if it is could you direct me to where I can get
> help?
>
>
>
> Thanks,
>
>
>
> Patrick
>
>
>
>
>
> Patrick Johnson
>
> Integrated Media Systems
>
> 1260 N. Fee Ana
>
> Anaheim, CA 92807
>
> office: 714-579-4100
>
> cell: 714-225-0666
>
> pjohnson at imsav.com
>
>
>
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> <p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
> font-family:Arial'> </span></font></p>
>
> <p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
> font-family:Arial'>I’m attempting to install a Hauppauge WINTV RADIO pci
> card (BT878 chipset) on my RedHat Enterprise Linux WS version 3. The driver
> for the card is the bttv driver. From my research about the driver it is
> suppose to be built into the Linux kernel. I’m running Kernel
> 2.4.21-20EL-i686. RedHat’s hardware browser shows the card as a video
> capture card and defines the driver as bttv. However the card is not “mapped”
> to a device. I tried running </span></font></p>
>
> <p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
> font-family:Arial'> </span></font></p>
>
> <p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
> font-family:Arial'>% xawtv –noxv</span></font></p>
>
> <p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
> font-family:Arial'>And it returned</span></font></p>
>
> <p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
> font-family:Arial'>Can’t open /dev/video0</span></font></p>
>
> <p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
> font-family:Arial'> </span></font></p>
>
> <p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
> font-family:Arial'>I don’t really now how to troubleshoot this as I’m
> still a novice Linux user.</span></font></p>
>
> <p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
> font-family:Arial'> </span></font></p>
>
> <p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
> font-family:Arial'>I looked under /lib/modules/<Kernel
> version>/Kernel/drivers and I didn’t see the bttv module. When I try
> to modprobe for bttv it returns an error saying it can’t locate the
> module.</span></font></p>
>
> <p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
> font-family:Arial'>However, when I look under /usr/src/linux-2.4.21-20.EL/drivers/media/video
> I do see the bttv module source.</span></font></p>
>
> <p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
> font-family:Arial'> </span></font></p>
>
> <p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
> font-family:Arial'>Do I need to rebuild the Kernel? I don’t know how to
> tell if the bttv driver is already there and I don’t know how to rebuild
> the kernel either. I apologize if this is the wrong mailing list to be asking
> this type of question but if it is could you direct me to where I can get help?</span></font></p>
>
> <p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
> font-family:Arial'> </span></font></p>
>
> <p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
> font-family:Arial'>Thanks, </span></font></p>
>
> <p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
> font-family:Arial'> </span></font></p>
>
> <p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
> 10.0pt'>Patrick</span></font></p>
>
> <p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
> font-family:Arial'> </span></font></p>
>
> <p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
> font-family:Arial'> </span></font></p>
>
> <p class=MsoAutoSig><font size=2 face="Times New Roman"><span style='font-size:
> 10.0pt'>Patrick Johnson</span></font></p>
>
> <p class=MsoAutoSig><font size=2 face="Times New Roman"><span style='font-size:
> 10.0pt'>Integrated Media Systems</span></font></p>
>
> <p class=MsoAutoSig><font size=2 face="Times New Roman"><span style='font-size:
> 10.0pt'>1260 N. Fee Ana</span></font></p>
>
> <p class=MsoAutoSig><font size=2 face="Times New Roman"><span style='font-size:
> 10.0pt'>Anaheim</span></font><font size=2><span style='font-size:10.0pt'>, CA 92807</span></font></p>
>
> <p class=MsoAutoSig><font size=2 face="Times New Roman"><span style='font-size:
> 10.0pt'>office: 714-579-4100</span></font></p>
>
> <p class=MsoAutoSig><font size=2 face="Times New Roman"><span style='font-size:
> 10.0pt'>cell: 714-225-0666</span></font></p>
>
> <p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
> 10.0pt'>pjohnson at imsav.com</span></font></p>
>
> <p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
> 12.0pt'> </span></font></p>
>
> </div>
>
> </body>
>
> </html>
--
Gavin W. Burris aka 86
Senior Systems Programmer
Penn State Visualization Group
http://viz.aset.psu.edu/ga5in
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