Mailinglist Archive: opensuse (818 mails)

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Re: [opensuse] howto get details of 1394 (firewire) device creation on camera plug-in (need BASH test)
  • From: Roger Oberholtzer <roger@xxxxxx>
  • Date: Mon, 26 Sep 2011 08:34:39 +0200
  • Message-id: <1317018879.7429.12.camel@acme.pacific>
On Sun, 2011-09-25 at 13:36 -0500, David C. Rankin wrote:

I use firewire cameras, not video. They plug in just fine. They do not
have any local storage, so access is really just grabbing a new image. I
have a udev rule that ensures proper permissions. I think this is
different for video cameras. But the general idea may be the same:

KERNEL=="raw1394*", NAME="%k", GROUP="video", MODE="666", OPTIONS="last_rule"
KERNEL=="dv1394*", NAME="%k", SYMLINK+="dv1394/%n", GROUP="video", MODE="666",
KERNEL=="video1394*", NAME="%k", SYMLINK+="video1394/%n", GROUP="video",
MODE="666", OPTIONS="last_rule"

The only thing I have found is that if the cameras are unplugged/plugged
too quickly, the 1349 drivers sometimes complain about which devices is
a master. (Or some such similar text - it never happened enough to
become an issue that I remember in detail.)

Does dvgrab list all the interesting info about the found cameras when
it starts? If so, perhaps that shows a difference.

Yours sincerely,

Roger Oberholtzer

OPQ Systems / Ramböll RST

Office: Int +46 10-615 60 20
Mobile: Int +46 70-815 1696

Ramböll Sverige AB
Krukmakargatan 21
P.O. Box 17009
SE-104 62 Stockholm, Sweden

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