[ale] DVD ripping

[James P. Kinney III]

On Wed, 2007-10-31 at 22:20 -0400, James Sumners wrote:
> He is not burning the images to new discs. He is reading them directly
> from the hard drive.
> 
> You might have a DMA issue. That is, your hard drive may not be
> reading as fast as it can. Do some searching for hdparm tutorials.

Ah, I remember something about the images and a loopback mounting from a
day or so back. 

Try hdparm -I /dev/<yourdrive - sda?> to see what it currently is
running as.

<mumbles something about needing to start _wearing_ those %*%^ glasses
doing email!>
> 
> Personally, I would rather transcode the main content. It reduces the
> file size, and makes viewing easier (don't have to deal with menus,
> etc.). You're willing to store 4.7GB and 8GB image files. So you don't
> have to go crazy with the compression to get the file sizes down to
> 700MB.  Therefore, you can have a further compressed file (it's
> already compressed on the DVD) but still have a decent picture.
> 
> On 10/31/07, James P. Kinney III <jkinney at localnetsolutions.com> wrote:
> > On Wed, 2007-10-31 at 21:40 -0400, Scott Castaline wrote:
> >
> > > Actually the 3rd and 4th DVDs I didn't do until this morning after 1st
> > > booting and the box was off for several hours. When I remove the media
> > > it does not feel hot, and I am able to do several back2back copies of
> > > DVDs with k3b without any problems. In fact that's how I copied the 3rd
> > > and 4th DVDs and then 3 double sided disks of the 1st season of House.
> > > Each disk/side was done one right after the other with no stopping. Now
> > > playback is a different story as there seems to some dropping and
> > > freezing happening. I'm not sure if it's the harddrive or the CPU. The
> > > harddrive is a 500GB SATAII on an Adaptec dual port SATAI HA and the CPU
> > > is an AMD Athlon 1800+ with 1GB RAM.
> > > Any ideas or maybe I should encode the images? (or is it transcode?)
> >
> > You have to _boot_ your system :) It doesn't "Just Run" ?!
> >
> > I would first try slowing down the record rate. I have half a bazillion
> > DVD's here that _claim_ to be burnable at speed x18 or x32 or xbazillion
> > but they really only work well at x2 or x4. All of the dual layer disks
> > I have to burn very slowly or else I get a new coaster.
> >
> > I miss the AOL CDs. They made such good coasters.
> >
> > I digress....
> >
> > Dropping and freezing on playback is a decompression problem with your
> > CPU/IO having a problem. Either the bandwidth is too slow or the CPU is
> > bogging down and the result is a freeze or dropped section to keep up.
> >
> > That said, I have had no problem playing DVD's (commercial pressed
> > movies) on IBM Thinkpads running 700 MHz P3's with 512 MB RAM (Fedora 4
> > with Ogle as the player) even in full screen mode. So I suspect there is
> > a failure elsewhere.
> >
> > Test the player with commercial disk. Then make a test copy of the disk
> > and try the player with the copy. If the copy plays poorly, make another
> > copy and slow down the burn speed to x1 or x2. If it still is crappy,
> > you may be looking at artifacts from copy-protection stuff.
> > --
> > James P. Kinney III
> > CEO & Director of Engineering
> > Local Net Solutions,LLC
> > 770-493-8244
> > http://www.localnetsolutions.com
> >
> > GPG ID: 829C6CA7 James P. Kinney III (M.S. Physics)
> > <jkinney at localnetsolutions.com>
> > Fingerprint = 3C9E 6366 54FC A3FE BA4D 0659 6190 ADC3 829C 6CA7
> >
> > _______________________________________________
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> > http://www.ale.org/mailman/listinfo/ale
> >
> >
> 
> 
> -- 
> James Sumners
> http://james.roomfullofmirrors.com/
> 
> "All governments suffer a recurring problem: Power attracts
> pathological personalities. It is not that power corrupts but that it
> is magnetic to the corruptible. Such people have a tendency to become
> drunk on violence, a condition to which they are quickly addicted."
> 
> Missionaria Protectiva, Text QIV (decto)
> CH:D 59
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> 
-- 
James P. Kinney III          
CEO & Director of Engineering 
Local Net Solutions,LLC        
770-493-8244                    
http://www.localnetsolutions.com

GPG ID: 829C6CA7 James P. Kinney III (M.S. Physics)
<jkinney at localnetsolutions.com>
Fingerprint = 3C9E 6366 54FC A3FE BA4D 0659 6190 ADC3 829C 6CA7
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