[mythtv] Re: Re: Re: pvr-350 performance patch - simplified

Isaac Richards ijr at case.edu
Fri Feb 4 06:19:56 UTC 2005


On Friday 04 February 2005 12:45 am, David Engel wrote:
> On Thu, Feb 03, 2005 at 11:27:06PM -0500, Isaac Richards wrote:
> > On Thursday 03 February 2005 08:48 pm, David Engel wrote:
> > > Well, I don't have ivtv installed on the system where I build Myth so
> > > I made the change for my own benefit.  The option to use an external
> > > ivtv header is still there, though.
> >
> > Does this mean we now require an unreleased version of ivtv?
>
> No.  Myth will query fpr the running driver version at device open
> time.  If the version is 0.2.0 (or newer), Myth will use the BLT_FILL
> ioctl, othereise it will use the PREP_FRAME ioctl.  IOW, it will use
> the appropriate ioctl for the driver actually being used.

I thought there were a few other ioctl differences between versions - and 
there was an ifdef for freebsd in there (which I don't know if anyone is 
using or it's even valid anymore).

Isaac


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