Date: Fri, 31 Aug 2001 13:00:04 -0700 From: Nick Sayer <nsayer@freebsd.org> To: freebsd-multimedia@freebsd.org Subject: Slow DVD? Message-ID: <200108312000.f7VK06d00646@morpheus.kfu.com>
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I have been disappointed so far with just about all the DVD playback options available, but I believe I have an explanation now. I have a relatively old DVDROM drive. The virtue of it is that it's regionless. Here's what the kernel has to say: cd1 at ahc0 bus 0 target 5 lun 0 cd1: <PIONEER DVD-ROM DVD-303 1.09> Removable CD-ROM SCSI-2 device cd1: 20.000MB/s transfers (20.000MHz, offset 8) If someone were to "rip" a movie using a particularly naughty piece of software, it turns out that xine and vlc can both play the resulting mpg file perfectly. If someone were to use naughty versions of xine or vlc, one would find that the playback skipped a lot of frames and looked basically crappy, but the CPU is 60% idle. These two circumstances tell me that perhaps the drive itself is the bottleneck. Does anyone know of any magic sysctls I might try on cam to speed things up? To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-multimedia" in the body of the message
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