xv: Drop unused XvdiPreemptVideo().

Signed-off-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Keith Packard <keithp@keithp.com>

Xext/xvdix.h

@@ -259,7 +259,6 @@ extern _X_EXPORT int XvdiSelectPortNotify(ClientPtr, XvPortPtr, BOOL);
 extern _X_EXPORT int XvdiSetPortAttribute(ClientPtr, XvPortPtr, Atom, INT32);
 extern _X_EXPORT int XvdiGetPortAttribute(ClientPtr, XvPortPtr, Atom, INT32 *);
 extern _X_EXPORT int XvdiStopVideo(ClientPtr, XvPortPtr, DrawablePtr);
-extern _X_EXPORT int XvdiPreemptVideo(ClientPtr, XvPortPtr, DrawablePtr);
 extern _X_EXPORT int XvdiMatchPort(XvPortPtr, DrawablePtr);
 extern _X_EXPORT int XvdiGrabPort(ClientPtr, XvPortPtr, Time, int *);
 extern _X_EXPORT int XvdiUngrabPort(ClientPtr, XvPortPtr, Time);

Xext/xvmain.c

@@ -991,28 +991,6 @@ XvdiStopVideo(ClientPtr client, XvPortPtr pPort, DrawablePtr pDraw)
 
 }
 
-int
-XvdiPreemptVideo(ClientPtr client, XvPortPtr pPort, DrawablePtr pDraw)
-{
-    int status;
-
-    /* IF PORT ISN'T ACTIVE THEN WE'RE DONE */
-
-    if (!pPort->pDraw || (pPort->pDraw != pDraw))
-        return Success;
-
-    XvdiSendVideoNotify(pPort, pPort->pDraw, XvPreempted);
-
-    status = (*pPort->pAdaptor->ddStopVideo) (client, pPort, pPort->pDraw);
-
-    pPort->pDraw = NULL;
-    pPort->client = (ClientPtr) client;
-    pPort->time = currentTime;
-
-    return status;
-
-}
-
 int
 XvdiMatchPort(XvPortPtr pPort, DrawablePtr pDraw)
 {