Re: [RFC 2/4] media: videobuf2: Replace bufs array by a list

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Hi Laurent,

Le lundi 20 mars 2023 à 01:33 +0200, Laurent Pinchart a écrit :
> > The typical usage is that applications allocate N buffers with the
> > VIDIOC_REQBUFS ioctl, and in most cases that's all they use.
> 
> Note that once we get DELETE_BUF (or DELETE_BUFS) support I'd like to
> encourage applications to use the new API, and deprecate REQBUFS
> (dropping it isn't on my radar, as it would take forever before no
> userspace uses it anymore).

I was wondering if you can extend on this. I'm worried the count semantic might
prevent emulating it over create_bufs() ops, but if that works, did you meant to
emulate it so driver no longer have to implement reqbufs() if they have
create_bufs() ?

Nicolas




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