> > Now if somebody (hint-hint) could make it so the Natoma 
> bug-fix is not 
> > applied to DC30 cards, the driver would be perfect :-)
> 
> It doesn't apply? Can you elaborate?

Sure...

http://sourceforge.net/mailarchive/message.php?msg_id=12453714 

2005-07-21 10:04 Bernhard Praschinger wrote:
"That problem was with the DC10. It might not be a problem with the DC30."

I changed the section in zoran_card.c as suggested, like this:

if (pci_pci_problems & PCIPCI_NATOMA && zr->revision <= 1) {
   /* zr->jpg_buffers.need_contiguous = 1; */
   dprintk(1,
      KERN_INFO
      "%s: ZR36057/Natoma bug ignored, max. MJPEG buffer size 128K
removed\n",
      ZR_DEVNAME(zr));
   }

And I got 512K buffer size reported from lawrec, as do Malte. 768x576
captures works. I don't know if other versions (?) of the DC30 card has the
Natoma bug, but at least Malte and me are happy campers now :-) Unless
there's a known problem with (other versions of) DC30 in regards to buffer
size, I suggest that a test for DC10 is done before the fix is applied.

The only snag I have at the moment is that 768x576 caps done with the Linux
driver are decimated to half height when played in Windows (looks fine in
lavplay and mplayer), while 768x576 caps made with the Windows driver works
both in Windows and Linux. I have to investigate some more on this, and I
have not searched the archives yet, but I don't think it's related to the
Natona-thing.

Hans



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