Man page - xvungrabport(3)

Packages contains this manual

Package: libxv-dev
apt-get install libxv-dev

Documentations in package:

XvUngrabPort - release port grabbed for video operation

#include <X11/extensions/Xvlib.h>

int XvUngrabPort(Display * dpy , XvPortID port , Time time );

	*dpy*		Specifies the connection to the X server.
	port		Specifies the port to be released. If the port had not been previously grabbed, the request is ignored.
	time		Specifies the request timestamp.

XvUngrabPort (3)
releases a grabbed port. If time specifies a time before the last XvGrabPort (3) was executed, the request is ignored.

[Success]

Returned if XvUngrabPort (3) completed successfully.

[XvBadExtension]

Returned if the Xv extension is unavailable.

[XvBadAlloc]

Returned if XvUngrabPort (3) failed to allocate memory to process the request.

[XvBadPort]

Generated if the requested port does not exist.