Re: [PATCH/RFC 1/4] V4L: add three new ioctl()s for multi-size videobuffer management

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On Tuesday, April 05, 2011 14:02:17 Laurent Pinchart wrote:
> On Monday 04 April 2011 10:06:47 Hans Verkuil wrote:
> > > On Mon, 4 Apr 2011, Hans Verkuil wrote:
> > >> On Friday, April 01, 2011 10:13:02 Guennadi Liakhovetski wrote:
> 
> [snip]
> 
> > BTW, REQBUFS and CREATE/DESTROY_BUFS should definitely co-exist. REQBUFS
> > is compulsory, while CREATE/DESTROY are optional.
> 
> Drivers must support REQBUFS and should support CREATE/DESTROY, but I think 
> applications should not be allowed to mix calls.

Why not? The videobuf2-core.c implementation shouldn't care about that, so
I don't see why userspace should care.

Regards,

	Hans

> 
> -- 
> Regards,
> 
> Laurent Pinchart
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