[GnomeMeeting-list] Re: [GnomeMeeting-devel-list] New MiniDV driver

[Damien Sandras <dsandras seconix com>]

Hi Georgi,


Is it able to do DC too?
Do you think you can fix the "does not report the pretty name of the
camera" problem?
Finally, I think it can be proposed to Craig for inclusion. It doesn't
require any extra dep, so it is perfect :)

Le lundi 04 avril 2005 à 10:54 +0900, Georgi Georgiev a écrit :
> (I hope this mail makes it)
> 
> This message is mostly targeted at people who are using the AVC plugin
> for their MiniDV camera.
> 
> A new implementation of a DV1394 plugin (cleanly installable along with
> the current plugins) is available for download from
> http://www.gg3.net/~chutz/dvplugins/
> 
> The major differences between the new DV and the current AVC plugins
> are:
> 
> - no more (silently) dropped frames (or at least *less* of them)
> - depends on a loaded dv1394 kernel module
> - does not depend on libavc1394
> - does not depend on libraw1394
> - does not report the pretty name of your camera
> - no crashes on my 2.6 kernel (AVC was freezing on me after a few
>   seconds)
> 
> Any reports/comments/suggestions from brave souls are much appreciated.
> 
>                            == Short F.A.Q. ==
> 
> - ../../make/unix.mak: No such file or directory
> 
>   It should be possible to compile the module with a simple "make". If
>   you get errors about a missing "make/unix.mak", then run this command
>   on the "make/plugins.mak" file that came with pwlib:
> 
>   sed -e 's,\(include  *\)\.\./\.\./,\1$(PWLIBDIR)/,'
> 
>   To Whom It May Concern: Could someone fix the source, so that
>   plugins.mak includes files from the proper location, like the other
>   .mak files do?
> 
> - "ptlib-config: Command not found" or missing headers
> 
>   You need the pwlib development package for your system I guess. You
>   also need the libdv devel packages, and that should be about it.
> 
> - The dv1394 kernel module:
> 
>   This module provides character devices that allow you to directly read
>   a raw DV stream.
> 
> - No devices detected
> 
>   The new DV plugin for pwlib looks for a device at all possible (known
>   to me) locations.  In addition, it will also look for a file named
>   ./symlinked.dv. The idea of this ./symlinked.dv is to allow you to
>   create a symlink to your device file on your system if it is not
>   detected.
> 
>   If your /dev lacks the required devices, you probably need to create
>   the nodes yourself.  Take a look at http://www.linux1394.org/dv1394.php
> 
>   Summarized:
> 
>         In the absence of devfs, you can make your own device by, for example,
>         mknod -m 666 /dev/dv1394 c 171 32 for NTSC
>         or
>         mknod -m 666 /dev/dv1394 c 171 34 for PAL 
> 
>   Also see below for udev and devfs support.
> 
> - udev
> 
>   Version 2.6.12-rc1 of the linux kernel has the ieee1394 family of
>   modules with enabled sysfs support. If you are running 2.6.12-rc1 or
>   later with udev, you should get a device like /dev/dv1394-0 or
>   similar.
> 
>   I also recommend adding the two lines below to your udev rules, in
>   order to make your setup a bit prettier. I guess a future version of
>   udev will include these lines.
> 
>     KERNEL="dv1394-*",       NAME="dv1394/%n",       GROUP="video"
>     KERNEL="video1394-*"     NAME="video1394/%n",    GROUP="video"
> 
> - devfs
> 
>   The dv1394 module creates devices at /dev/ieee1394/dv/host#/{NTSC,PAL}/{in,out}
>   I don't have a devfs setup, so I decided to trust the data at
>   http://www.linux1394.org/dv1394.php
> 
> 
-- 
 _      Damien Sandras
(o-     GnomeMeeting: http://www.gnomemeeting.org/
//\     FOSDEM 2005 : http://www.fosdem.org
v_/_    H.323 phone : callto:ils.seconix.com/dsandras seconix com