Display *dpy;
XvPortID port;
Bool motion;
unsigned int vw, vh;
unsigned int dw, dh; unsigned int *p_dw, *p_dh;
Arguments
dpy
Specifies the connection to the X server.
port
Defines the port associated with the display and adaptor for which
the optimum size is to be calculated.
motion
Specifies True if the destination size needs to support
full motion, and False if the destination size need only
support still images.
vw,vh
Specifies the size of the source video region desired.
dw,dh
Specifies the size of the destination drawable region desired.
p_dw,p_dh
Pointers to where the closest destination sizes supported by the server are
returned.
Description
Some ports may be able to scale incoming or outgoing video.
XvQueryBestSize(3) returns the size of the closest destination
region that is supported by the adaptor. The returned size is
guaranteed to be smaller than the requested size if a smaller
size is supported.
