Re: videobuf2-dma-sg and multiple planes semantics

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Hans Verkuil <hverkuil@xxxxxxxxx> writes:

> Hi Robert,
>
> In the case of PIX_FMT_YUV422P there is only *one* buffer and the planes are laid out in
> that single buffer. So from the point of view of v4l2/vb2 this is a single planar
> format and you have a single sglist.h
That's the piece of information I was missing, thanks.

> You'll have to use sg_split() to split up that single large sglist into three, one for
> each channel.
Yeah, being the author of it, I should be able to use it again :)

Cheers.

--
Robert
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