[lug] DVD Burner Recommendations

[John Hernandez]

Two questions inline...

David Morris wrote:
> 
> Two possibilities here for what is going on here:
> 
> First, the DVD drive might not be acting as a bus-master for
> the transfer, which means data is transfered through the CPU
> instead of directly to RAM/Disk.  That can easily suck up
> all your resources, and is why I personally use *only* SCSI
> CD/DVD writers.  Most IDE CD/DVD writers have this
> capability now, but not all.
>

Can you explain the method used under Linux to determine if a specific 
drive has the bus-master capability?  And if the capability is there but 
turned off, how to enable it?

> The second possibility is simply poorly written software
> that doesn't let bus-mastering do what it does best (reduce
> the resource cost of data transfer).  Not many people (and
> even fewer companies) care about writing software the
> "right" way... they just want to get a finished product
> regardless of the quality.  
> 

Are you aware of any such limitations with common OSS DVD-Video player 
applications like Xine, mplayer, Ogle?

-- 

  |  John Hernandez - NOAA Boulder NOC - 303-497-6392
  |  Mailstop R/OM62. 325 Broadway, Boulder, CO 80305
  |  PGP Public Key ID: 586A7E23