From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from ams-iport-1.cisco.com ([144.254.224.140]:2719 "EHLO ams-iport-1.cisco.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753415Ab1DEMkf (ORCPT ); Tue, 5 Apr 2011 08:40:35 -0400 From: Hans Verkuil To: Laurent Pinchart Subject: Re: [PATCH/RFC 1/4] V4L: add three new ioctl()s for multi-size videobuffer management Date: Tue, 5 Apr 2011 14:40:16 +0200 Cc: "Hans Verkuil" , "Guennadi Liakhovetski" , "Linux Media Mailing List" , "Mauro Carvalho Chehab" References: <56f5dd2ffa0a55d09a5f391f0fa2e9d0.squirrel@webmail.xs4all.nl> <201104051402.17836.laurent.pinchart@ideasonboard.com> In-Reply-To: <201104051402.17836.laurent.pinchart@ideasonboard.com> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <201104051440.16449.hansverk@cisco.com> List-ID: Sender: 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 > -- > To unsubscribe from this list: send the line "unsubscribe linux-media" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > >