Re: Xv/XVideo?

[Harold L Hunt II <huntharo at msu dot edu>]

Alexander Gottwald wrote:
> Thor Johnson wrote:
>
>
> > Greetings (and mucho thanks for the -norestart option for Xhost oddities)!
> >
> > I have a new boneheaded question:
> > What is the difference between xv (as used in mplayer, ogle, etc) and
> > XVideo?
>
>
> I don't know it for sure, but it's the same. XVideo is an interface to the 
> XServer to allow a fast display of video. With XVideo you can for example 
> get access to the backend scaler of the graphicscard and let the graphicscard
> scale the video to fullscreen.
>
> But this depends on the used graphicscard and for each graphicscard you need
> a special driver, which we don't have for Cygwin/XFree86.

You know, we might be able to quite simply add such functionality... I 
believe that DirectDraw exposes the scaling support of the video card. 
Shoot, even the GDI blit function can accelerate scaling (if I recall 
correctly).  Anyone care to find a few docs on what XVideo drivers must 
provide (so I don't have to do all of the searching myself)?

Harold

> > mplayer told me to use xvinfo to see if xv was working properly; under
> > cyg/XF86 on my, I get:
> >    $ xvinfo
> >    X-Video Extension version 2.2
> >    screen #0
> >    no adaptors present
>
>
> sorry, no hardware support :( 
>
>
> > I'm trying to get my windows box in shape for some MythTV development.
> > Slow is much better than none (at least until MythTV 0.8 gels).
> >
> > Is there a config file I need or ???.
>
>
> No. XVideo is not supported by Cygwin/XFree86.
>
> NP: Blutengel - Silent Death