From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from perceval.ideasonboard.com ([95.142.166.194]:56633 "EHLO perceval.ideasonboard.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934561Ab1ETQEW convert rfc822-to-8bit (ORCPT ); Fri, 20 May 2011 12:04:22 -0400 From: Laurent Pinchart To: "=?iso-8859-1?q?R=E9mi?= Denis-Courmont" Subject: Re: [GIT PATCH FOR 2.6.40] uvcvideo patches Date: Fri, 20 May 2011 18:04:25 +0200 Cc: linux-media@vger.kernel.org, Mauro Carvalho Chehab References: <201105150948.24956.laurent.pinchart@ideasonboard.com> <4DD6899D.5020004@redhat.com> <201105201855.53240.remi@remlab.net> In-Reply-To: <201105201855.53240.remi@remlab.net> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 8BIT Message-Id: <201105201804.26348.laurent.pinchart@ideasonboard.com> List-ID: Sender: Hi Rémi, On Friday 20 May 2011 17:55:52 Rémi Denis-Courmont wrote: > Le vendredi 20 mai 2011 18:32:45 Mauro Carvalho Chehab, vous avez écrit : > > However, I have serious concerns about media_controller API usage on > > generic drivers, as it is required that all drivers should be fully > > configurable via V4L2 API alone, otherwise we'll have regressions, as no > > generic applications use the media_controller. > > If VLC counts as a generic application, I'd be more than API to use the > media_controller (or whatever else) if only to find which ALSA (sub)device, > if any, corresponds to the V4L2 node of a given USB webcam or such. That feature is not available yet, but it's definitely something I want to fix. It might be a bit tricky for USB devices (as uvcvideo and usbaudio don't know about eachother), but we need to find a proper solution. > I don't know any solution at the moment, and this is a major inconvenience > on Linux desktop compared to DirectShow. -- Regards, Laurent Pinchart