From owner-freebsd-multimedia Thu Apr 26 1:52:33 2001 Delivered-To: freebsd-multimedia@freebsd.org Received: from freebsd.dk (fw-rl0.freebsd.dk [212.242.86.114]) by hub.freebsd.org (Postfix) with ESMTP id 86EFD37B422; Thu, 26 Apr 2001 01:52:27 -0700 (PDT) (envelope-from sos@freebsd.dk) Received: (from sos@localhost) by freebsd.dk (8.11.3/8.11.3) id f3Q8qQa19950; Thu, 26 Apr 2001 10:52:26 +0200 (CEST) (envelope-from sos) From: Søren Schmidt Message-Id: <200104260852.f3Q8qQa19950@freebsd.dk> Subject: Re: dma-trouble In-Reply-To: <200104260831.KAB41824@usr01.cybercity.dk> "from Bjarne Wichmann Petersen at Apr 26, 2001 10:33:49 am" To: Bjarne Wichmann Petersen Date: Thu, 26 Apr 2001 10:52:25 +0200 (CEST) Cc: freebsd-questions@FreeBSD.ORG, freebsd-multimedia@FreeBSD.ORG X-Mailer: ELM [version 2.4ME+ PL88 (25)] MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=ISO-8859-1 Sender: owner-freebsd-multimedia@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org It seems Bjarne Wichmann Petersen wrote: > On Thu, 26 Apr 2001 09:46:07 +0200 > Bjarne Wichmann Petersen wrote: > > > Xine skips a lot of frames though but it's not due a slow CPU, it only > > eats up 50%-60%. Rest is idling. > > I think I've spotted the bottleneck. But I don't know how to fix it. > > Playing off the dvd-drive and I get a thoroughput at ~2MB/s. Copying off > the dvd-drive it's up to about ~20-25 MB/s (UDMA33). And playing off the > harddrive CPU becomes the bottleneck (as it should) and thus only skips a > "few" frames. > > Copying and playing of the dvd-drive simultaniously gives a thoroughput at > ~2MB/s and makes movies unplayable. It's as if xine fix the drive at a to > slow speed (1x?). Can I fix this somehow? Are you using DMA on the DVD drive ? if not try to enable it but its not garantied to work unfortunately (depends on hardware support for ATAPI DMA working) -Søren To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-multimedia" in the body of the message