[libcamera-devel] Fixing debayering?

[Jacopo Mondi]

Hi Rafael,

On Wed, Jul 06, 2022 at 02:29:56PM +0300, Rafael Diniz wrote:
> Hi Jacopo,
>
> I'm using SBGGR8 in qcam just because it is the only format it works.
>
> I always get
> Stream configuration adjusted to  XXXXxYYYY-SBGGR8

No matter how you configure the streams ? I mean with --stream
pixelformat=YUYV, in example passed, to qcam. I'm actually not sure what
formats the sun6i receiver supports, you might need to check what is
the intersection between the sensor produced formats and the ones
accepted by the receiver.

Thanks
   j
>
>
> Rafael
>
> On 7/6/22 07:05, Jacopo Mondi wrote:
> > I let people with more exerience about qcam reply about the debayering
> > thing, but I wonder one thing: you've been experimenting with RAW
> > formats, are you doing so becaue you need RAW ? Because if you're
> > "just" trying to see how to provide a preview I would really switch to
> > YUV/RGB. The pinephone doesn't have any ISP, debayering is then
> > delegated to either the CPU or the GPU.
> >
> > Your sensor (the ov5640 at least) supports YUV/RGB natively, and the
> > simple pipeline handler allows you to capture those formats.
> >
> > On Wed, Jul 06, 2022 at 12:26:29PM +0300, Rafael Diniz via libcamera-devel wrote:
> > > Hi all,
> > >
> > > The last annoying bug I can find in using qcam on the Pinephone (at least on
> > > lower resolutions, as high resolutions are still borked) is the debayering
> > > from SBGGR8, which is clearly producing artifacts. Where can I find its
> > > implementation? I plan to read it and compare to the canonical one and see
> > > what could be wrong.
> > >
> > > Best regards,
> > > Rafael Diniz
> > >
> >
> >
> >



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