On Wed, 12 Nov 2003, Steve Thrash wrote:
> One more question - how can you tell what the chromakey value is? Do I need
> to use XGetImage or is there a better way?
Use XvGetPortAttribute to get the value of the XV_COLORKEY attribute.
You'll want to query the attributes first though. If the attribute
doesn't exist, the adaptor isn't using an overlay. And calling
XvGetPortAttribute for an attribute that doesn't exist is an error.
The application "xvinfo" is an example of how to query this sort
of stuff.
Mark.
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