From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from perceval.ideasonboard.com ([95.142.166.194]:42451 "EHLO perceval.ideasonboard.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754461Ab2JOSpA (ORCPT ); Mon, 15 Oct 2012 14:45:00 -0400 From: Laurent Pinchart To: Sakari Ailus Cc: linux-media@vger.kernel.org, hverkuil@xs4all.nl, remi@remlab.net, daniel-gl@gmx.net, sylwester.nawrocki@gmail.com Subject: Re: [RFC] Timestamps and V4L2 Date: Mon, 15 Oct 2012 20:45:45 +0200 Message-ID: <2316067.OFTCziv4Z5@avalon> In-Reply-To: <20121015160549.GE21261@valkosipuli.retiisi.org.uk> References: <20120920202122.GA12025@valkosipuli.retiisi.org.uk> <20121015160549.GE21261@valkosipuli.retiisi.org.uk> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Sender: linux-media-owner@vger.kernel.org List-ID: Hi Sakari, On Monday 15 October 2012 19:05:49 Sakari Ailus wrote: > Hi all, > > As a summar from the discussion, I think we have reached the following > conclusion. Please say if you agree or disagree with what's below. :-) > > - The drivers will be moved to use monotonic timestamps for video buffers. > - The user space will learn about the type of the timestamp through buffer > flags. > - The timestamp source may be made selectable in the future, but buffer > flags won't be the means for this, primarily since they're not available on > subdevs. Possible way to do this include a new V4L2 control or a new IOCTL. That's my understanding as well. For the concept, Acked-by: Laurent Pinchart -- Regards, Laurent Pinchart