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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/

  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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