[vdr] Re: hardware

["Rienecker, Fa. Evenio, ITS P, M" <C.Rienecker@deutschepost.de>]

DVD-Video uses a multiplexed MPEG-2 Stream with the max data rate of 9.8 MBit/second. That includes all: video, all audio tracks and subtitle data.
Maybe, the ones that are working are not using the full data rate.

CU,
Christian.

> -----Original Message-----
> From: Thomas Valentin [mailto:Thomas.Valentin@astrum.de]
> Sent: Thursday, April 04, 2002 11:30 AM
> To: 'vdr@linuxtv.org'
> Subject: [vdr] AW: Re: AW: Re: hardware
> 
> 
> my dvd drive is dma enabled (hdparm -d1 /dev/hdd)
> 
> some dvds work perfectly some work in the beginning and after 
> 1 minute the
> playback is bucking ...
> 
> i thought that those dvds that work are not encrypted (vdr is 
> about < 20 %)
> and the others are encrypted
> and decss library eats up all the cpu (vdr is 99%)....
> 
> i really dont know why some work  ...
> 
> cu
> 	tom
> 
> -----Ursprüngliche Nachricht-----
> Von: Andreas Schultz [mailto:aschultz@cs.uni-magdeburg.de]
> Gesendet: Donnerstag, 4. April 2002 10:56
> An: vdr@linuxtv.org
> Betreff: [vdr] Re: AW: Re: hardware
> 
> 
> Hi Thomas,
> 
> On Thursday 04 April 2002 10:39, Thomas Valentin wrote:
> > hi,
> >
> > as the offer says the mp has a Celeron 433Mhz ...
> >
> > is that enough for divx and decss?
> >
> > because i currently run my vdr on a pII 350 and i cant 
> watch divx and
> decss
> > dvds because its too slow...
> 
> Even your old box should be able to play DVD's without much 
> problems. I have
> 
> even had reports from people with slower system being able to 
> play dvd's.
> DeCSS during playback does not take much, only the key cracking needed
> before 
> the playback can start requires some time and even that can 
> be avoided by 
> using proper player keys. Read the ML archive on how to do 
> this and get the 
> dvdinstall.tar.gz archive.
> The AC3 decoding needed for most dvd's is a bit more resource 
> hungry, but 
> still a PII 350 should have no problems. It can be improved 
> by building 
> liba52 with the djbfft library, again check the ML on how to do this.
> Also, most dvd speed problems come from dma not being enabled 
> for the drive,
> 
> even my 1.1GHz AMD chockes without the dma setting (hint: man hdparm).
> 
> Hope that helps
> 
>    Andreas
> 
> 
>