Re: [PATCH v5 00/24] v4l: subdev internal routing

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Hi Tomi,

On 2021-04-16 11:47:46 +0300, Tomi Valkeinen wrote:
> Hi Niklas,
> 
> On 16/04/2021 11:38, Niklas Söderlund wrote:
> > Hi Tomi,
> > 
> > I'm very happy to see this being worked on again!
> > 
> > Is there code somewhere that demonstrates the v5 API in use? I still
> > have old branches of this series and it would be nice to see how the API
> > have evolved for drivers.
> > 
> > Likewise are there some user-space code around that can be used to test
> > the API? For v2 and v3 I had some hack patches [1], do they still work?
> > More likely they have gone stale by now :-)
> > 
> > 1. git://git.ragnatech.se/v4l-utils routing
> 
> Yes for both. I didn't share those as they're not in a presentable state =).
> 
> But, with the disclaimer that your eyes may bleed when reading the code:
> 
> git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux.git
> multistream/work
> 
> git://github.com/tomba/kmsxx.git multistream
> 
> On the kernel side, the CAL driver is in relatively good shape. UB960 driver
> is somewhat messy but not totally horrible. OV10635 is horrible, as it's
> used to fake metadata stream even if the sensor doesn't really have such a
> thing.
> 
> For testing I have used kms++ with python bindings. My test script is
> py/tests/cam.py
> 
> The uAPI has changed as there's now the 'which' field. But I think that's
> the only clear change, although the behavior could be slightly different
> wrt. setting formats.

Thanks!

> 
>  Tomi

-- 
Regards,
Niklas Söderlund



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