From owner-freebsd-multimedia@FreeBSD.ORG Mon Jul 14 05:07:35 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 4ED2737B401 for ; Mon, 14 Jul 2003 05:07:35 -0700 (PDT) Received: from mailout08.sul.t-online.com (mailout08.sul.t-online.com [194.25.134.20]) by mx1.FreeBSD.org (Postfix) with ESMTP id 1779443FCB for ; Mon, 14 Jul 2003 05:07:34 -0700 (PDT) (envelope-from Alexander@Leidinger.net) Received: from fwd03.aul.t-online.de by mailout08.sul.t-online.com with smtp id 19c26r-0004Qb-04; Mon, 14 Jul 2003 14:07:13 +0200 Received: from Andro-Beta.Leidinger.net (Vrh2A8ZVoeMMMcaA6Rxuc0ehjX2qjFmagFPHabv-KLxFwWdCqdplsL@[217.83.16.15]) by fmrl03.sul.t-online.com with esmtp id 19c26Z-1I9Cnw0; Mon, 14 Jul 2003 14:06:55 +0200 Received: from Magelan.Leidinger.net (Magelan [192.168.1.1]) h6EC6sQA038364; Mon, 14 Jul 2003 14:06:54 +0200 (CEST) (envelope-from Alexander@Leidinger.net) Received: from Magelan.Leidinger.net (netchild@localhost [127.0.0.1]) by Magelan.Leidinger.net (8.12.9/8.12.9) with SMTP id h6EC6rTb000740; Mon, 14 Jul 2003 14:06:53 +0200 (CEST) (envelope-from Alexander@Leidinger.net) Date: Mon, 14 Jul 2003 14:06:53 +0200 From: Alexander Leidinger To: "Cornelius, Peter" Message-Id: <20030714140653.142cdaba.Alexander@Leidinger.net> In-Reply-To: References: X-Mailer: Sylpheed version 0.8.10claws (GTK+ 1.2.10; i386-portbld-freebsd5.0) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Seen: false X-ID: Vrh2A8ZVoeMMMcaA6Rxuc0ehjX2qjFmagFPHabv-KLxFwWdCqdplsL@t-dialin.net cc: pcc@gmx.net cc: Sean_Welch@alum.wofford.org cc: gurney_j@efn.org cc: julian@elischer.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 List-Id: Multimedia discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 14 Jul 2003 12:07:35 -0000 On Mon, 14 Jul 2003 08:23:55 +0200 "Cornelius, Peter" wrote: > > Some of the newer Windows apps lets you do similar things with audio > > and video stream processing. I haven't used it, but there is an app > > that lets you plum things together. So say you have a VOB (mpeg-2) > > video stream, and that will export the MPEG-2 video data, and the > > subtitls and the audio. Then you can pass the audio (AC3) data to > > either your sound card (assuming digital out) or to a software AC3 > > decoder, and you can do similar things with video. > > In particular, video and audio running out of sync seems to be a royal > pita under Windoze. I have not had the time yet to 'really' fiddle > with my dv cam and do much cutting but I can recall my dad complaining > very much so about various shortcomings of xp windoze. Which I could > neither locate nor fix at that time. > > But I'll try to stop picking on systems I don't understand; all I want > to say is that not all that shines is made of gold, and so is windows. > With protocols, you may build a large pipe of 'converters' since the > protocols are designed to sort it out by themselves. I'm not sure > whether that's true for a/v data (*). I think the synchronization should be part of the application (e.g. gstreamer or NMM), but the API to the device should offer device specific synchronization primitives... if the device has some. Bye, Alexander. -- It's not a bug, it's tradition! http://www.Leidinger.net Alexander @ Leidinger.net GPG fingerprint = C518 BC70 E67F 143F BE91 3365 79E2 9C60 B006 3FE7