From owner-freebsd-multimedia@FreeBSD.ORG Sun Apr 10 13:39:42 2005 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 31C0116A4CE; Sun, 10 Apr 2005 13:39:42 +0000 (GMT) Received: from markdnet.demon.co.uk (cpc1-oxfd2-6-0-cust136.oxfd.cable.ntl.com [81.103.191.136]) by mx1.FreeBSD.org (Postfix) with ESMTP id 7BAC543D54; Sun, 10 Apr 2005 13:39:41 +0000 (GMT) (envelope-from mark@markdnet.demon.co.uk) Received: from localhost ([::1]) by markdnet.demon.co.uk with esmtp (Exim 4.50 (FreeBSD)) id 1DKceZ-0000Or-Qn; Sun, 10 Apr 2005 14:39:07 +0100 From: Mark Dixon To: stable@freebsd.org, multimedia@freebsd.org Date: Sun, 10 Apr 2005 14:39:00 +0100 User-Agent: KMail/1.8 MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart1874841.X6Vb5ee2W3"; protocol="application/pgp-signature"; micalg=pgp-sha1 Content-Transfer-Encoding: 7bit Message-Id: <200504101439.06815.mark@markdnet.demon.co.uk> Subject: bktr and Interlacing 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: Sun, 10 Apr 2005 13:39:42 -0000 --nextPart1874841.X6Vb5ee2W3 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline Hi, As I'm without a TV at the moment, I decided to plug my XBox into my TV car= d=20 (via bktr driver) and attempt to play the brilliant Burnout 3 via my monito= r=20 and mplayer. Unfortunately, as soon as things get busy (as they inevitably = do=20 in this game), the screen started to show signs of interlacing all over the= =20 place, and as you can imagine, when driving into oncoming traffic at 200mph= ,=20 interlacing is not very helpful.=20 I had a quick look at the source and can't see any obvious interlace contro= ls=20 =2D although there is one slightly worrying comment: /* * XXX NOTE (Luigi): * currently we only support 3 capture modes: odd only, even only, * odd+evgen interlaced (odd field first). A fourth mode (non interlaced, * either even OR odd) could provide 60 (50 for PAL) pictures per * second, but it would require this routine to toggle the desired frame * each time, and one more different DMA program for the Bt848. * As a consequence, this fourth mode is currently unsupported. */ Does anyone know if there is a simple switch that needs setting somewhere t= o=20 make the card not do this, or if its simply a performance problem with=20 something (my computer, mplayer, bktr driver) not being able to keep up wit= h=20 the amount of activity the XBox is throwing at the screen. Mark --nextPart1874841.X6Vb5ee2W3 Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (FreeBSD) iD8DBQBCWSx6LqgJ90OcaiARAjwkAKCc4qWcG+bkCfBlzQXHBJcNL3PfbwCePXJ+ SH5MmDqj1ggeDS0luJD/OFA= =stPX -----END PGP SIGNATURE----- --nextPart1874841.X6Vb5ee2W3--