From owner-freebsd-hackers@FreeBSD.ORG Tue Apr 26 23:33:10 2005 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 98CE616A4CE; Tue, 26 Apr 2005 23:33:10 +0000 (GMT) Received: from april.chuckr.org (april.chuckr.org [66.92.151.30]) by mx1.FreeBSD.org (Postfix) with ESMTP id CD3E243D68; Tue, 26 Apr 2005 23:33:09 +0000 (GMT) (envelope-from chuckr@chuckr.org) Received: from [66.92.151.195] (july.chuckr.org [66.92.151.195]) by april.chuckr.org (Postfix) with ESMTP id ACA0B1152C; Tue, 26 Apr 2005 19:28:29 -0400 (EDT) Message-ID: <426ECF7C.8060003@chuckr.org> Date: Tue, 26 Apr 2005 23:32:12 +0000 From: Chuck Robey User-Agent: Mozilla Thunderbird 1.0 (X11/20050316) X-Accept-Language: en-us, en MIME-Version: 1.0 To: David Gilbert References: <426AC21B.2080205@chuckr.org> <426AE866.7050008@chuckr.org> <86wtqs9yiw.fsf@xps.des.no> <426BD1F6.7050201@freebsd.org> <86r7h08464.fsf@xps.des.no> <426BDE1F.3020004@kientzle.com> <17005.5342.260402.241779@canoe.dclg.ca> In-Reply-To: <17005.5342.260402.241779@canoe.dclg.ca> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit cc: Tim Kientzle cc: freebsd-hackers@freebsd.org cc: =?ISO-8859-1?Q?Dag-Erling_Sm=F8rgr?= =?ISO-8859-1?Q?av?= Subject: Re: region code in cdrecord X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 26 Apr 2005 23:33:10 -0000 David Gilbert wrote: >>>>>>"Tim" == Tim Kientzle writes: > > > Tim> I wouldn't "rather", but I think it might be simpler. I also > Tim> seem to recall hearing about discs whose region-coding was done > Tim> in such a way that they would not play on unlocked players. > > Well (to put that to rest), there are two types of region coding in > use on DVDs. The first is the one we're talking about here ... which > is a code in the files that tells the DVD player which region the disk > is. Early "unlocked" players were simply patched to accept any > region. > > The second type is code in the menu system that queries the region > code and then acts on it. Early players returned '0' for this > function ... and the disks were coded to not play. > > The fix for this was players that you could change the region on > ... and "unlocked" players of this type allow you to set the region an > unlimited number of times. "locked" players usually let you set the > region some small number of times. > It turns out I was wrong ... even though the k3b stuff I read said it was using cdrdao, a bit more investigation proved it was using mkisofs and growisofs instead. The both have large man pages, but nothing in them regarding the setting of region codes. I really don't want to have to replace my existing dvd players, that is dumb, then I have a nice programmable system here. > Dave. >