From: "Rémi Denis-Courmont" <remi@remlab.net>
To: Linux Media Mailing List <linux-media@vger.kernel.org>
Subject: Re: [ANNOUNCE] experimental alsa stream support at xawtv3
Date: Sat, 28 May 2011 16:01:22 +0300 [thread overview]
Message-ID: <201105281601.23130.remi@remlab.net> (raw)
In-Reply-To: <4DE0EE44.8060000@infradead.org>
Le samedi 28 mai 2011 15:44:52 Mauro Carvalho Chehab, vous avez écrit :
> > int libv4l2_get_associated_devive(int fd, enum
> > libv4l2_associated_device_types type, ...); Where fd is the fd of an
> > open /dev/video node, and ... is a param through which the device gets
> > returned (I guess a char * to a buffer of MAX_PATH length where the
> > device name gets stored, this could
> > be an also identifier like hw:0.0 or in case of vbi a /dev/vbi# path,
> > etc.
>
> Using the fd will be more complex, as we'll loose the device node (is there
> a glibc way to get the device path from the fd?). Well, we may associate
> the fd descriptor with the device node internally at libv4l.
Not really. fstat() can tell you fd is a character device, and provide the
major and minor though.
--
Rémi Denis-Courmont
http://www.remlab.net/
http://fi.linkedin.com/in/remidenis
next prev parent reply other threads:[~2011-05-28 13:01 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-23 20:17 [ANNOUNCE] experimental alsa stream support at xawtv3 Mauro Carvalho Chehab
2011-05-23 20:19 ` Devin Heitmueller
2011-05-23 20:30 ` Mauro Carvalho Chehab
2011-05-23 20:32 ` Mauro Carvalho Chehab
2011-05-24 6:50 ` Hans Verkuil
2011-05-24 7:21 ` Hans de Goede
2011-05-24 14:09 ` Mauro Carvalho Chehab
2011-05-24 15:55 ` Hans de Goede
2011-05-28 12:44 ` Mauro Carvalho Chehab
2011-05-28 13:01 ` Rémi Denis-Courmont [this message]
2011-05-28 14:41 ` Mauro Carvalho Chehab
2011-05-28 14:10 ` Mauro Carvalho Chehab
2011-05-28 12:55 ` Rémi Denis-Courmont
2011-05-28 14:39 ` Mauro Carvalho Chehab
2011-05-24 14:15 ` Mauro Carvalho Chehab
2011-05-24 14:57 ` Devin Heitmueller
2011-05-26 6:53 ` Hans Verkuil
2011-05-28 12:17 ` Mauro Carvalho Chehab
2011-05-28 12:26 ` Hans de Goede
2011-05-28 15:24 ` Hans Verkuil
2011-05-28 16:04 ` Mauro Carvalho Chehab
2011-05-28 16:20 ` Mauro Carvalho Chehab
2011-05-29 1:01 ` [RFCv2] Add a library to retrieve associated media devices - was: " Mauro Carvalho Chehab
2011-05-29 11:19 ` Hans Verkuil
2011-05-29 11:47 ` Andy Walls
2011-05-29 12:58 ` Mauro Carvalho Chehab
2011-05-29 11:54 ` Hans de Goede
2011-05-29 13:08 ` Mauro Carvalho Chehab
2011-05-29 13:30 ` Hans de Goede
2011-05-29 14:55 ` Mauro Carvalho Chehab
2011-05-30 7:14 ` Hans Verkuil
2011-05-30 13:15 ` Mauro Carvalho Chehab
2011-05-29 12:11 ` Mauro Carvalho Chehab
2011-05-29 14:39 ` Mauro Carvalho Chehab
2011-05-30 6:34 ` Hans Verkuil
2011-05-30 11:37 ` Mauro Carvalho Chehab
2011-05-30 6:54 ` Hans Verkuil
2011-05-30 13:03 ` Mauro Carvalho Chehab
2011-05-28 12:00 ` Mauro Carvalho Chehab
-- strict thread matches above, loose matches on Subject: below --
2011-05-24 17:26 Emil Meier
2011-05-24 17:46 ` Devin Heitmueller
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