[libcamera-devel] softISP for libcamera

[Laurent Pinchart]

On Tue, Dec 05, 2023 at 11:59:12AM +0000, Kieran Bingham via libcamera-devel wrote:
> Quoting Pavel Machek (2023-12-05 11:48:36)
> > Hi!
> > 
> > > > It may be that I failed to enable simple/linaro pipeline in the
> > > > meson. It certainly does not list it. If I try with parent commit, it
> > > > builds okay, but I guess that means code is not enabled.
> > > 
> > > Could you provide this feedback on Andrey's patches that have been
> > > posted [0] please? That way it will be in the right context.
> > > 
> > > I'm sure any other review comments you have on the series may be useful
> > > too as you have also explored this area.
> > > 
> > > [0] https://lists.libcamera.org/pipermail/libcamera-devel/2023-December/039700.html
> > 
> > Unfortunately, mail list archives do not seem to allow "download raw"
> > option which would allow me to do the right thing here.
> 
> I know this pain :-(
> 
> Laurent - do you have a solution for people to reply to mails they have
> not received for the libcamera list? (That doesn't involve requiring
> everyone to get every mail on the list?) I think the only solution there
> is for us to set up public inbox ... but I don't have any time to look
> at such topics lately.

Public inbox is on my radar, yes. I haven't had time to give it a try
yet, but I think that's what we should use.

> > I went through the patches, and they look good to me. (Step in the
> > right direction, certainly. Will need bayer8 support to be directly
> > usable for me, and perhaps the pipeline should not be called "linaro"
> > but something more generic).
> 
> I agree there ;-)
> 
> > I'm now trying to get them to run on PinePhone.
> 
> Excellent! I think the caching issues will still be prevalent. I wonder
> if we can handle that in the simple pipeline handlers by using the
> dma-heap allocator for the frame buffers instead of getting buffers from
> V4L2, particularly as this series helps provide access to the dma-heap
> allocators.

-- 
Regards,

Laurent Pinchart