Re: [Q] Interleaved formats on the media bus

[Laurent Pinchart <laurent.pinchart@ideasonboard.com>]

Hi Guennadi,

On Thursday 02 February 2012 12:00:57 Guennadi Liakhovetski wrote:
> On Thu, 2 Feb 2012, Laurent Pinchart wrote:
> > Do all those sensors interleave the data in the same way ? This sounds
> > quite hackish and vendor-specific to me, I'm not sure if we should try to
> > generalize that. Maybe vendor-specific media bus format codes would be
> > the way to go. I don't expect ISPs to understand the format, they will
> > likely be configured in pass-through mode. Instead of adding explicit
> > support for all those weird formats to all ISP drivers, it might make
> > sense to add a "binary blob" media bus code to be used by the ISP.
> 
> Yes, I agree, that those formats will be just forwarded as is by ISPs, but
> the user-space wants to know the contents, so, it might be more useful to
> provide information about specific components, even if their packing
> layout cannot be defined in a generic way with offsets and sizes. Even
> saying "you're getting formats YUYV and JPEG in vendor-specific packing
> #N" might be more useful, than just "vendor-specific format #N".

That's right. A single media bus code might not be the best option indeed. 
Vendor-specific blob codes (and 4CCs) then ?

-- 
Regards,

Laurent Pinchart