[XviD-devel] YV12 downsampling and interlacing

peter ross xvid-devel@xvid.org
Sat, 12 Oct 2002 14:47:59 +1000



>From: trbarry@trbarry.com
>Reply-To: xvid-devel@xvid.org
>To: xvid-devel@xvid.org
>Subject: RE: [XviD-devel] YV12 downsampling and interlacing
>Date: Fri, 11 Oct 2002 23:04:06 -0400
>MIME-Version: 1.0
>Received: from edu.bnhof.de ([213.167.167.52]) by mc8-f42.law1.hotmail.com 
>with Microsoft SMTPSVC(5.0.2195.4905); Fri, 11 Oct 2002 20:05:12 -0700
>Received: from edu.bnhof.de (localhost [127.0.0.1])by edu.bnhof.de 
>(8.11.6/8.11.6/SuSE Linux 0.5) with ESMTP id g9C357r02466;Sat, 12 Oct 2002 
>05:05:07 +0200
>Received: from smtp.comcast.net (smtp.comcast.net [24.153.64.2])by 
>edu.bnhof.de (8.11.6/8.11.6/SuSE Linux 0.5) with ESMTP id g9C34cr02447for 
><xvid-devel@xvid.org>; Sat, 12 Oct 2002 05:04:38 +0200
>Received: from robot (bgp01031348bgs.sothfd01.mi.comcast.net 
>[68.41.232.65]) by mtaout03.icomcast.net (iPlanet Messaging Server 5.1 
>HotFix 1.4 (built Aug  5 2002)) with SMTP id 
><0H3U001KPLVOYD@mtaout03.icomcast.net> for xvid-devel@xvid.org; Fri, 11 Oct 
>2002 23:04:38 -0400 (EDT)
>In-reply-to: <20021011171416.17953.qmail@astroboymail.com>
>Message-id: <000801c2719c$0735d300$0400a8c0@com.robot>
>X-MIMEOLE: Produced By Microsoft MimeOLE V5.50.4133.2400
>X-Mailer: Microsoft Outlook 8.5, Build 4.71.2173.0
>Importance: Normal
>X-Priority: 3 (Normal)
>X-MSMail-priority: Normal
>Sender: xvid-devel-admin@xvid.org
>Errors-To: xvid-devel-admin@xvid.org
>X-BeenThere: xvid-devel@xvid.org
>X-Mailman-Version: 2.0.13
>Precedence: bulk
>List-Help: <mailto:xvid-devel-request@xvid.org?subject=help>
>List-Post: <mailto:xvid-devel@xvid.org>
>List-Subscribe: 
><http://list.xvid.org/mailman/listinfo/xvid-devel>,<mailto:xvid-devel-request@xvid.org?subject=subscribe>
>List-Id: <xvid-devel.xvid.org>
>List-Unsubscribe: 
><http://list.xvid.org/mailman/listinfo/xvid-devel>,<mailto:xvid-devel-request@xvid.org?subject=unsubscribe>
>List-Archive: <http://list.xvid.org/pipermail/xvid-devel/>
>Return-Path: xvid-devel-admin@xvid.org
>X-OriginalArrivalTime: 12 Oct 2002 03:05:12.0710 (UTC) 
>FILETIME=[2E667A60:01C2719C]
>
>The upsampling version of this is the main source of the MPEG-2 "chroma
>bug" that people complain about in many otherwise quality hardware DVD
>players. See:
>
>http://www.hometheaterhifi.com/volume_8_2/dvd-benchmark-special-report-c
>hroma-bug-4-2001.html
>
>(though the link may be down at the moment)
>
>If present in Xvid then it would probably show up encoding Toy Story or
>Moulin Rouge in interlaced format, with bleeding jagged red's.

hello,

i recall reading this (or a simular) document whilst looking for a
dvd player. xvid does NOT do this.

since iam working on colorspaces atm, i will try an implement the
sampling method. however, i dont have an interlace content to test it
with.

-- pete

_________________________________________________________________
MSN Photos is the easiest way to share and print your photos: 
http://photos.msn.com/support/worldwide.aspx