From owner-freebsd-multimedia@FreeBSD.ORG Mon Jul 14 00:17:35 2003 Return-Path: Delivered-To: freebsd-multimedia@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 8836D37B401 for ; Mon, 14 Jul 2003 00:17:35 -0700 (PDT) Received: from mail.cyberonic.com (mail.cyberonic.com [4.17.179.4]) by mx1.FreeBSD.org (Postfix) with ESMTP id 9021F43FBD for ; Mon, 14 Jul 2003 00:17:34 -0700 (PDT) (envelope-from jmg@hydrogen.funkthat.com) Received: from hydrogen.funkthat.com (node-40244c0a.sfo.onnet.us.uu.net [64.36.76.10]) by mail.cyberonic.com (8.12.8/8.12.5) with ESMTP id h6E7hocY018878; Mon, 14 Jul 2003 03:43:59 -0400 Received: (from jmg@localhost) by hydrogen.funkthat.com (8.12.9/8.11.6) id h6E6fbNf005449; Sun, 13 Jul 2003 23:41:37 -0700 (PDT) (envelope-from jmg) Date: Sun, 13 Jul 2003 23:41:37 -0700 From: John-Mark Gurney To: Julian Elischer Message-ID: <20030714064137.GT35337@funkthat.com> Mail-Followup-To: Julian Elischer , "Cornelius, Peter" , Alexander Leidinger , Sean_Welch@alum.wofford.org, multimedia@freebsd.org, pcc@gmx.net References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.1i X-Operating-System: FreeBSD 4.2-RELEASE i386 X-PGP-Fingerprint: B7 EC EF F8 AE ED A7 31 96 7A 22 B3 D8 56 36 F4 X-Files: The truth is out there X-URL: http://resnet.uoregon.edu/~gurney_j/ X-Resume: http://resnet.uoregon.edu/~gurney_j/resume.html cc: pcc@gmx.net cc: Alexander Leidinger cc: Sean_Welch@alum.wofford.org cc: multimedia@freebsd.org Subject: Re: AW: BSD video capture emulation question X-BeenThere: freebsd-multimedia@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: John-Mark Gurney List-Id: Multimedia discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 14 Jul 2003 07:17:35 -0000 Julian Elischer wrote this message on Sun, Jul 13, 2003 at 23:29 -0700: > On Mon, 14 Jul 2003, Cornelius, Peter wrote: > > > > > sounds like netgraph .. (runs for cover) > > > > hey. I was going to say just that. > > There is no reason why video streams should not be encoded as a stream > of mbufs in which case netgraph could very well doexactly what > is required :-) If the mbuf code seperated it out, this MIGHT be a possibility, I'm pretty sure we don't want to run into some of the problem with resource contention on mbufs.. Also, the buffer space may need more fine management... The idea of a sink sending a packet that a source fills also is kinda wierd (necessary for some dma operations).. -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will do, has been done, All that I have, has not."