From: Jean-Francois Moine <moinejf@free.fr>
To: "Hans Verkuil" <hverkuil@xs4all.nl>
Cc: "Hans de Goede" <hdegoede@redhat.com>,
"Trent Piepho" <xyzzy@speakeasy.org>,
"Mauro Carvalho Chehab" <mchehab@infradead.org>,
kilgota@banach.math.auburn.edu,
"Adam Baker" <linux@baker-net.org.uk>,
linux-media@vger.kernel.org,
"Olivier Lorin" <o.lorin@laposte.net>
Subject: Re: Adding a control for Sensor Orientation
Date: Mon, 16 Feb 2009 12:12:58 +0100 [thread overview]
Message-ID: <20090216121258.3645bf4f@free.fr> (raw)
In-Reply-To: <44220.62.70.2.252.1234782074.squirrel@webmail.xs4all.nl>
On Mon, 16 Feb 2009 12:01:14 +0100 (CET)
"Hans Verkuil" <hverkuil@xs4all.nl> wrote:
> Anyone can add an API in 5 seconds. It's modifying or removing a bad
> API that worries me as that can take years. If you want to add two
> bits with mount information, feel free. But don't abuse them for
> pivot information. If you want that, then add another two bits for
> the rotation:
>
> #define V4L2_BUF_FLAG_VFLIP 0x0400
> #define V4L2_BUF_FLAG_HFLIP 0x0800
>
> #define V4L2_BUF_FLAG_PIVOT_0 0x0000
> #define V4L2_BUF_FLAG_PIVOT_90 0x1000
> #define V4L2_BUF_FLAG_PIVOT_180 0x2000
> #define V4L2_BUF_FLAG_PIVOT_270 0x3000
> #define V4L2_BUF_FLAG_PIVOT_MSK 0x3000
Hi,
HFLIP + VFLIP = PIVOT_180
then
#define V4L2_BUF_FLAG_PIVOT_180 0x0c00
Cheers.
--
Ken ar c'hentan | ** Breizh ha Linux atav! **
Jef | http://moinejf.free.fr/
next prev parent reply other threads:[~2009-02-16 11:32 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-16 11:01 Adding a control for Sensor Orientation Hans Verkuil
2009-02-16 11:12 ` Jean-Francois Moine [this message]
2009-02-16 12:07 ` Hans de Goede
-- strict thread matches above, loose matches on Subject: below --
2009-02-16 14:00 Hans Verkuil
2009-02-16 14:25 ` Hans de Goede
2009-02-16 16:09 ` Trent Piepho
2009-02-16 12:02 Hans Verkuil
2009-02-16 9:07 Hans Verkuil
2009-02-16 9:44 ` Hans de Goede
2009-02-16 11:11 ` Mauro Carvalho Chehab
2009-02-16 12:19 ` Hans de Goede
2009-02-16 14:20 ` Mauro Carvalho Chehab
2009-02-16 15:00 ` Mauro Carvalho Chehab
2009-02-16 15:24 ` Hans de Goede
2009-02-16 8:57 Hans Verkuil
2009-02-16 8:33 Hans Verkuil
2009-02-16 22:36 ` Adam Baker
2009-02-17 2:00 ` kilgota
2009-02-17 7:27 ` Hans Verkuil
2009-02-17 22:29 ` Adam Baker
2009-02-14 20:48 Adam Baker
2009-02-14 21:04 ` Hans Verkuil
2009-02-14 21:55 ` Hans de Goede
2009-02-14 21:59 ` Hans Verkuil
2009-02-14 22:44 ` kilgota
2009-02-15 9:08 ` Hans de Goede
2009-02-15 9:19 ` Hans Verkuil
2009-02-15 9:29 ` Hans de Goede
2009-02-15 13:03 ` Trent Piepho
2009-02-15 13:46 ` Hans de Goede
2009-02-15 23:09 ` Trent Piepho
2009-02-16 1:46 ` kilgota
2009-02-16 3:47 ` hermann pitton
2009-02-16 3:55 ` Trent Piepho
2009-02-16 8:30 ` Hans de Goede
2009-02-16 2:26 ` Mauro Carvalho Chehab
2009-02-16 4:04 ` Trent Piepho
2009-02-16 7:44 ` Hans Verkuil
2009-02-16 8:37 ` Hans de Goede
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