From owner-freebsd-multimedia Thu Apr 26 3:40:21 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 90DDA37B423; Thu, 26 Apr 2001 03:40:15 -0700 (PDT) (envelope-from sos@freebsd.dk) Received: (from sos@localhost) by freebsd.dk (8.11.3/8.11.3) id f3QAeC046264; Thu, 26 Apr 2001 12:40:12 +0200 (CEST) (envelope-from sos) From: Søren Schmidt Message-Id: <200104261040.f3QAeC046264@freebsd.dk> Subject: Re: dma-trouble In-Reply-To: <20010426112328.5adbf42f.bjarne@mekanix.dk> "from Bjarne Wichmann Petersen at Apr 26, 2001 11:23:28 am" To: Bjarne Wichmann Petersen Date: Thu, 26 Apr 2001 12:40:12 +0200 (CEST) Cc: mekanix@vip.cybercity.dk, 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 10:52:25 +0200 (CEST) > Søren Schmidt wrote: > > > 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) > > $ sysctl hw.atamodes > hw.atamodes: dma,dma,dma,dma, > > Should be enabled. > > Copying off the drive and it reads with ~13 MB/s but playing a VOB-file > it's down to ~2 MB/s. And if I try to copy at the same time with playback > it's still down to ~2 MB/s and the playback halts. Wierd, there is no way xine can change the speed of the drive, the ATA driver has no hooks for that :) However, a fast drive could also be a problem in that it is forced to reseek often because it gets ahead of what you want to read, that will have a big impact on streaming speed... -Søren To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-multimedia" in the body of the message