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 Posted by Brendan R. Wehrung on 07/31/06 03:55 
Voinin (vboing@boing.biz) writes: 
> On 7/30/2006 2:30 PM, Sune Mlgaard went clickity-clack on the keyboard  
> and produced this interesting bit of text: 
>> Hi all. 
>>  
>> I read the FAQ section on copy protection, but I didn't seem to find the  
>> scheme that is responsible for the following: 
>>  
>> On my linux box, when I insert a labeled copy-protected DVD, I can mount  
>> the volume fine. Trying to read any files on it, however, results in I/O  
>> errors at the kernel level: 
>>  
>> Jul 30 19:39:53 jekaterina kernel: [24270.306257] hdc: command error:  
>> status=0x51 { DriveReady SeekComplete Error } 
>> Jul 30 19:39:53 jekaterina kernel: [24270.306263] hdc: command error:  
>> error=0x54 { AbortedCommand LastFailedSense=0x05 } 
>> Jul 30 19:39:53 jekaterina kernel: [24270.306267] ide: failed opcode  
>> was: unknown 
>> Jul 30 19:39:53 jekaterina kernel: [24270.306270] end_request: I/O  
>> error, dev hdc, sector 1536 
>>  
>> I know from the label that the disc is protected, however, it is unclear  
>> to me, if the scheme is part of the DVD Video specification. The disc is  
>> clearly marked with the DVD Video logo, so in effect, I am trying to  
>> ascertain if the disc is mislabeled. 
>  
> My understanding of it is that copy protection has nothing to do with  
> it.  A license has to be bought to decode video DVDs.  Generally  
> speaking, you pay for such a license when you buy a DVD player or  
> software that will play a DVD.  For example, if you don't install a DVD  
> player on a Windows box Windows Media Player won't play back a video  
> DVD.  This is because neither Windows nor WMP comes with a license to  
> play the DVD video.  You'll need to purchase software that will play the  
> DVDs. 
>  
> --  
> "The smallest feline is a masterpiece." - Leonardo da Vinci 
 
 
But anything that bills itself as "Media Center" by definition plays all 
common media, so you'd get the ability with the computer, wouldn't you? 
 
Brendan
 
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