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From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Cc: Sakari Ailus <sakari.ailus@iki.fi>, linux-media@vger.kernel.org
Subject: Re: Multiple Rectangle cropping
Date: Fri, 12 Oct 2012 12:19:33 +0200
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On Friday 12 October 2012 09:18:42 Ricardo Ribalda Delgado wrote:
> Hello
> 
> In fact, is the sensor, the one that supports multiple Areas of
> Interest. Unfortunatelly the userland v4l2 api only supports one area
> of interest for doing croping (or that is what I believe).
> 
> Is there any plan to support multiple AOI? or I have to make my own ioctl?

You should use the selection API (VIDIOC_SUBDEV_G_SELECTION and 
VIDIOC_SUBDEV_S_SELECTION). As a quick hack you can create custom selection 
rectangle types, but it might be worth creating new standard types.

-- 
Regards,

Laurent Pinchart