int
XvdiGrabPort(
ClientPtr client,
XvPortPtr pPort,
Time ctime,
int *p_result
){
unsigned long id;
TimeStamp time;
UpdateCurrentTime();
time = ClientTimeToServerTime(ctime);
if (pPort->grab.client && (client != pPort->grab.client))
{
*p_result = XvAlreadyGrabbed;
return Success;
}
if ((CompareTimeStamps(time, currentTime) == LATER) ||
(CompareTimeStamps(time, pPort->time) == EARLIER))
{
*p_result = XvInvalidTime;
return Success;
}
if (client == pPort->grab.client)
{
*p_result = Success;
return Success;
}
id = FakeClientID(client->index);
if (!AddResource(id, XvRTGrab, &pPort->grab))
{
return BadAlloc;
}
/* IF THERE IS ACTIVE VIDEO THEN STOP IT */
if ((pPort->pDraw) && (client != pPort->client))
{
XvdiStopVideo(NULL, pPort, pPort->pDraw);
}
pPort->grab.client = client;
pPort->grab.id = id;
pPort->time = currentTime;
*p_result = Success;
return Success;
}
static int
ProcXvStopVideo(ClientPtr client)
{
int status, rc;
DrawablePtr pDraw;
XvPortPtr pPort;
REQUEST(xvStopVideoReq);
REQUEST_SIZE_MATCH(xvStopVideoReq);
VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess);
if ((status = _AllocatePort(stuff->port, pPort)) != Success)
{
client->errorValue = stuff->port;
return status;
}
rc = dixLookupDrawable(&pDraw, stuff->drawable, client, 0, DixWriteAccess);
if (rc != Success)
return rc;
return XvdiStopVideo(client, pPort, pDraw);
}
