From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from umlaeute.mur.at ([89.106.215.196]:43284 "EHLO umlaeute.mur.at" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753354Ab3AXQgm (ORCPT ); Thu, 24 Jan 2013 11:36:42 -0500 Received: from inf190.kug.ac.at ([193.170.191.190] helo=[192.168.171.180]) by umlaeute.mur.at with esmtpsa (TLS1.0:DHE_RSA_CAMELLIA_256_CBC_SHA1:256) (Exim 4.80) (envelope-from ) id 1TyPjF-0004fu-1E for linux-media@vger.kernel.org; Thu, 24 Jan 2013 17:32:41 +0100 Message-ID: <51016311.6030202@umlaeute.mur.at> Date: Thu, 24 Jan 2013 17:36:33 +0100 From: =?ISO-8859-15?Q?forum=3A=3Af=FCr=3A=3Auml=E4ute?= MIME-Version: 1.0 To: linux-media@vger.kernel.org Subject: Re: v4l2loopback and kernel-3.7 References: <51015A68.50808@umlaeute.mur.at> In-Reply-To: <51015A68.50808@umlaeute.mur.at> Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 8bit Sender: linux-media-owner@vger.kernel.org List-ID: On 2013-01-24 16:59, forum::für::umläute wrote: > hi all, just in case: please CC me, as i'm not subscribed to this list (yet). gfadmsr IOhannes > > i'm currently maintainer of the "v4l2loopback" device [1], a virtual > video device that allows applications to share video-streams via the > v4l2 API (each device being V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_VIDEO_OUTPUT). > > now (unfortunately for someone maintaining a driver) i have not been > following development of the linux-kernel very closely (mainly using > debian unstable kernels myself), but some of my users do. > it seems that with newer kernel-versions the functionality for > video-output modules have been somehow removed from the kernel (3.7.1 > has been confirmed to make troubles, whereas 3.6.10 still works). > > i'd like to inquire, what happened in/to the mainstream kernel, and > what's the supposed way to proceed for a virtual video device like mine. > (i naively ask the question here, as i'm a bit afraid of kernel-dev > mailing list :-)) > > what's more, if the v4l2-taskforce would be interested to take over a > kernel-module that - to my knowledge - is currently the only feasible > way on linux to exchange live video streams between applications, we > might talk about that :-) > > fgasdmr > IOhannes > > > > > [1] https://github.com/umlaeute/v4l2loopback/