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libraw1394 for Debian
---------------------
Before all, you must verify if your actual linux kernel is built with
ieee1394 and raw1394 support. Generaly, if you use a debian linux kernel
package, it is the case, but you can know that with this command:
grep IEEE1394 /boot/config-`uname -r`
If theses modules are in you kernel, you may see theses lines:
CONFIG_IEEE1394=y
CONFIG_IEEE1394_RAWIO=m or CONFIG_IEEE1394_RAWIO=y
When you have CONFIG_IEEE1394_RAWIO=y, you have to do nothing.
If you have CONFIG_IEEE1394_RAWIO=m, you must load the module.
You can do that with this command (executed as the root user):
modprobe raw1394
The device file /dev/raw1394 will be created for libraw1394. This library
is used by applications to access FireWire devices.
The default access permissions allows only users in the "disk" group.
This restrictive setting was chosen since raw1394 allows almost full
access to the FireWire bus and all connected devices are accessible, which
may include hard disks.
You can add your user in the "disk" group with this command (executed as the root user):
adduser <user> disk
If you don't intend to connect sensitive devices and e.g. only want to get
video streams out of a camera, you can relax the permissions. If you
don't have malicious users on your system, you can allow access for all
users with this command (executed as the root user):
chmod 666 /dev/raw1394
-- Ludovic RESLINGER <lr@cuivres.net>, Sun, 10 Sep 2006 16:08:19 +0200
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