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From: Jonathan Corbet <corbet@lwn.net>
To: "Németh Márton" <nm127@freemail.hu>
Cc: video4linux-list@redhat.com, LKML <linux-kernel@vger.kernel.org>
Subject: Re: cafe_ccic: possible reason why gqcam is not working
Date: Thu, 23 Oct 2008 08:55:33 -0600	[thread overview]
Message-ID: <20081023085533.6828ee0b@bike.lwn.net> (raw)
In-Reply-To: <49004133.7090805@freemail.hu>

On Thu, 23 Oct 2008 11:17:39 +0200
Németh Márton <nm127@freemail.hu> wrote:

>  - gqcam currently only supports video4linux 1, and it uses the
> following ioctls: VIDIOCSPICT, VIDIOCSWIN, VIDIOCGCAP, VIDIOCGWIN and
> VIDIOCGPICT.

...and that, of course, is the problem.  The V4L1 emulation in the
kernel cannot do a perfect job of things.  This application really
needs to be dragged forward to V4L2 if it is to work well with
contemporary video drivers.

Thanks,

jon

      reply	other threads:[~2008-10-23 14:55 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-10-23  9:17 Németh Márton
2008-10-23 14:55 ` Jonathan Corbet [this message]

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