From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from claranet-outbound-smtp03.uk.clara.net ([195.8.89.36]:57935 "EHLO claranet-outbound-smtp03.uk.clara.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751073Ab1ECO0u (ORCPT ); Tue, 3 May 2011 10:26:50 -0400 From: Simon Farnsworth To: Hans Verkuil Subject: Re: [git:v4l-dvb/for_v2.6.40] [media] cx18: mmap() support for raw YUV video capture Date: Tue, 3 May 2011 15:26:41 +0100 Cc: Devin Heitmueller , Hans Verkuil , Mauro Carvalho Chehab , linux-media@vger.kernel.org, Steven Toth , Andy Walls References: <201105031559.52492.hansverk@cisco.com> In-Reply-To: <201105031559.52492.hansverk@cisco.com> MIME-Version: 1.0 Content-Type: Text/Plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Message-Id: <201105031526.41774.simon.farnsworth@onelan.co.uk> List-ID: Sender: On Tuesday 3 May 2011, Hans Verkuil wrote: > On Tuesday, May 03, 2011 14:49:43 Devin Heitmueller wrote: > > Asking us to be the "guinea pig" for this new framework just because > > cx18 is the most recent driver to get a videobuf related patch just > > isn't appropriate. > > I don't get it. > > What better non-embedded driver to implement vb2 in than one that doesn't > yet do stream I/O? The risks of breaking anything are much smaller and it > would be a good 'gentle introduction' to vb2. Also, it prevents the > unnecessary overhead of having to replace videobuf in the future in cx18. > Just for everyone's information; I've been caught up in other issues here, so I'm unlikely to get onto changing videobuf to vb2 in this code in the next week or so. However, if someone else had just enough free time to convert the existing patch for me, I can free up enough time to test with our application and with GStreamer, to confirm that the conversion works adequately. -- Simon Farnsworth Software Engineer ONELAN Limited http://www.onelan.com/