[libcamera-devel] 3A Api's

naidu nama naidu.nama at gmail.com
Thu Jun 25 14:45:21 CEST 2020


Hi Kiran,

Trying to explore more on libcamera.And the idea is to make the preview on
for uvc devices along with some basic 3A algorithm implementation.

Thanks,
Naidu.

On Thu, Jun 25, 2020, 17:50 Kieran Bingham <kieran.bingham at ideasonboard.com>
wrote:

> Hi Naidu,
>
> On 25/06/2020 06:51, naidu nama wrote:
> > Hi Team,
> >
> > Is there  any api to control 3A (AWB, AE) in libcamera source code.If
> > yes can give me location of the file.
>
> The best example for 3A in libcamera is the Raspberry Pi IPA code.
>
> Please examine:
>  src/ipa/raspberrypi/
>
> The Raspberry Pi pipeline handler controls that IPA, so for direction
> there, look at :
>
>  src/libcamera/pipeline/raspberrypi/raspberrypi.cpp
>
> But perhaps you are looking for what controls are available for
> applications to 'control' the 3A. A lot of that is still under
> development, but you should also look at :
>
>  src/libcamera/control_ids.yaml
>
> Which generates docuemntation at :
>
> https://www.libcamera.org/api-html/namespacelibcamera_1_1controls.html
>
>
> I see from your threads, you have been doing quite a bit of
> investigation over the various areas of libcamera.
>
> Perhaps could you share what you are working on with libcamera?
>
> Are you planning to create an application using it? or do you have
> devices in mind which you think libcamera should be supporting?
>
> --
> Kieran
>
>
>
>
> > Thanks,
> > Naidu.
> > _______________________________________________
> > libcamera-devel mailing list
> > libcamera-devel at lists.libcamera.org
> > https://lists.libcamera.org/listinfo/libcamera-devel
> >
>
> --
> Regards
> --
> Kieran
>
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