From owner-freebsd-multimedia@freebsd.org Thu Oct 8 10:58:27 2015 Return-Path: Delivered-To: freebsd-multimedia@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id C0A2E9D2B8C for ; Thu, 8 Oct 2015 10:58:27 +0000 (UTC) (envelope-from hps@selasky.org) Received: from mailman.ysv.freebsd.org (mailman.ysv.freebsd.org [IPv6:2001:1900:2254:206a::50:5]) by mx1.freebsd.org (Postfix) with ESMTP id A9A5B1949 for ; Thu, 8 Oct 2015 10:58:27 +0000 (UTC) (envelope-from hps@selasky.org) Received: by mailman.ysv.freebsd.org (Postfix) id A6FD19D2B8B; Thu, 8 Oct 2015 10:58:27 +0000 (UTC) Delivered-To: multimedia@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id A695A9D2B8A for ; Thu, 8 Oct 2015 10:58:27 +0000 (UTC) (envelope-from hps@selasky.org) Received: from mail.turbocat.net (mail.turbocat.net [IPv6:2a01:4f8:d16:4514::2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 700AE1948 for ; Thu, 8 Oct 2015 10:58:27 +0000 (UTC) (envelope-from hps@selasky.org) Received: from laptop015.home.selasky.org (cm-176.74.213.204.customer.telag.net [176.74.213.204]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.turbocat.net (Postfix) with ESMTPSA id AA1521FE022; Thu, 8 Oct 2015 12:58:25 +0200 (CEST) Subject: Re: V4l api - need some help getting dvb devices to work To: Da Rock , multimedia@FreeBSD.org References: <5614865E.5040800@herveybayaustralia.com.au> From: Hans Petter Selasky Message-ID: <56164CB8.9080404@selasky.org> Date: Thu, 8 Oct 2015 13:00:08 +0200 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:38.0) Gecko/20100101 Thunderbird/38.2.0 MIME-Version: 1.0 In-Reply-To: <5614865E.5040800@herveybayaustralia.com.au> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-multimedia@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Multimedia discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 08 Oct 2015 10:58:27 -0000 On 10/07/15 04:41, Da Rock wrote: > Could anyone provide some guidance on what is wrong here? Have I not got > the concept correctly? Where could I find some good tutorials on v4l? Maybe you can "ktrace" your application, to see if any IOCTLs fail. --HPS