From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752719AbZHaOov (ORCPT ); Mon, 31 Aug 2009 10:44:51 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752576AbZHaOou (ORCPT ); Mon, 31 Aug 2009 10:44:50 -0400 Received: from smtp-vbr14.xs4all.nl ([194.109.24.34]:1174 "EHLO smtp-vbr14.xs4all.nl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752184AbZHaOot (ORCPT ); Mon, 31 Aug 2009 10:44:49 -0400 Message-ID: <42d1ca6a2d2f29851cc1ea228bbc7121.squirrel@webmail.xs4all.nl> In-Reply-To: <20090831100855.677d16d6@pedra.chehab.org> References: <4A52E897.8000607@freemail.hu> <4A910C42.5000001@freemail.hu> <20090830234114.16b90c36@pedra.chehab.org> <200908310858.24763.laurent.pinchart@ideasonboard.com> <20090831100855.677d16d6@pedra.chehab.org> Date: Mon, 31 Aug 2009 16:44:20 +0200 Subject: Re: [RESEND][PATCH 1/2] v4l2: modify the webcam video standard handling From: "Hans Verkuil" To: "Mauro Carvalho Chehab" Cc: "Laurent Pinchart" , =?iso-8859-1?Q?N=E9meth_M=E1rton?= , "Jean-Francois Moine" , "Thomas Kaiser" , linux-media@vger.kernel.org, "LKML" User-Agent: SquirrelMail/1.4.18 MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > Em Mon, 31 Aug 2009 09:33:23 +0200 > "Hans Verkuil" escreveu: > >> > TV standards only apply to analog video. Let's simply not use it for >> > digital >> > video. We don't expect drivers to implement VIDIOC_[GS]_JPEGCOMP with >> fake >> > values when they don't support JPEG compression, so we should not >> expect >> > them >> > to implement VIDIOC_[GS]_STD when they don't support analog TV. >> >> Exactly. Work is underway to add an API for HDTV and similar digital >> video >> formats. But we should just freeze the v4l2_std_id API and only use it >> for >> the analog PAL/NTSC/SECAM type formats. This nicely corresponds with the >> underlying standards as those have been frozen as well. > > Could you please point the thread where this API is being discussed Sure, here is the thread: http://osdir.com/ml/linux-media/2009-08/msg00452.html It's currently just brainstorming and not an official RFC. Regards, Hans -- Hans Verkuil - video4linux developer - sponsored by TANDBERG