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xvdisp.c
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/***********************************************************
Copyright 1991 by Digital Equipment Corporation, Maynard, Massachusetts,
and the Massachusetts Institute of Technology, Cambridge, Massachusetts.
All Rights Reserved
Permission to use, copy, modify, and distribute this software and its
documentation for any purpose and without fee is hereby granted,
provided that the above copyright notice appear in all copies and that
both that copyright notice and this permission notice appear in
supporting documentation, and that the names of Digital or MIT not be
used in advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
SOFTWARE.
******************************************************************/
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif
#include <string.h>
#include <X11/X.h>
#include <X11/Xproto.h>
#include "misc.h"
#include "scrnintstr.h"
#include "windowstr.h"
#include "pixmapstr.h"
#include "gcstruct.h"
#include "dixstruct.h"
#include "resource.h"
#include "opaque.h"
#include <X11/extensions/Xv.h>
#include <X11/extensions/Xvproto.h>
#include "xvdix.h"
#ifdef MITSHM
#define _XSHM_SERVER_
#include <X11/extensions/shmstr.h>
#endif
#include "xvdisp.h"
#ifdef PANORAMIX
#include "panoramiX.h"
#include "panoramiXsrv.h"
unsigned long XvXRTPort;
#endif
static int
SWriteQueryExtensionReply(
ClientPtr client,
xvQueryExtensionReply *rep
){
char n;
swaps(&rep->sequenceNumber, n);
swapl(&rep->length, n);
swaps(&rep->version, n);
swaps(&rep->revision, n);
(void)WriteToClient(client, sz_xvQueryExtensionReply, (char *)rep);
return Success;
}
static int
SWriteQueryAdaptorsReply(
ClientPtr client,
xvQueryAdaptorsReply *rep
){
char n;
swaps(&rep->sequenceNumber, n);
swapl(&rep->length, n);
swaps(&rep->num_adaptors, n);
(void)WriteToClient(client, sz_xvQueryAdaptorsReply, (char *)rep);
return Success;
}
static int
SWriteQueryEncodingsReply(
ClientPtr client,
xvQueryEncodingsReply *rep
){
char n;
swaps(&rep->sequenceNumber, n);
swapl(&rep->length, n);
swaps(&rep->num_encodings, n);
(void)WriteToClient(client, sz_xvQueryEncodingsReply, (char *)rep);
return Success;
}
static int
SWriteAdaptorInfo(
ClientPtr client,
xvAdaptorInfo *pAdaptor
){
char n;
swapl(&pAdaptor->base_id, n);
swaps(&pAdaptor->name_size, n);
swaps(&pAdaptor->num_ports, n);
swaps(&pAdaptor->num_formats, n);
(void)WriteToClient(client, sz_xvAdaptorInfo, (char *)pAdaptor);
return Success;
}
static int
SWriteEncodingInfo(
ClientPtr client,
xvEncodingInfo *pEncoding
){
char n;
swapl(&pEncoding->encoding, n);
swaps(&pEncoding->name_size, n);
swaps(&pEncoding->width, n);
swaps(&pEncoding->height, n);
swapl(&pEncoding->rate.numerator, n);
swapl(&pEncoding->rate.denominator, n);
(void)WriteToClient(client, sz_xvEncodingInfo, (char *)pEncoding);
return Success;
}
static int
SWriteFormat(
ClientPtr client,
xvFormat *pFormat
){
char n;
swapl(&pFormat->visual, n);
(void)WriteToClient(client, sz_xvFormat, (char *)pFormat);
return Success;
}
static int
SWriteAttributeInfo(
ClientPtr client,
xvAttributeInfo *pAtt
){
char n;
swapl(&pAtt->flags, n);
swapl(&pAtt->size, n);
swapl(&pAtt->min, n);
swapl(&pAtt->max, n);
(void)WriteToClient(client, sz_xvAttributeInfo, (char *)pAtt);
return Success;
}
static int
SWriteImageFormatInfo(
ClientPtr client,
xvImageFormatInfo *pImage
){
char n;
swapl(&pImage->id, n);
swapl(&pImage->red_mask, n);
swapl(&pImage->green_mask, n);
swapl(&pImage->blue_mask, n);
swapl(&pImage->y_sample_bits, n);
swapl(&pImage->u_sample_bits, n);
swapl(&pImage->v_sample_bits, n);
swapl(&pImage->horz_y_period, n);
swapl(&pImage->horz_u_period, n);
swapl(&pImage->horz_v_period, n);
swapl(&pImage->vert_y_period, n);
swapl(&pImage->vert_u_period, n);
swapl(&pImage->vert_v_period, n);
(void)WriteToClient(client, sz_xvImageFormatInfo, (char *)pImage);
return Success;
}
static int
SWriteGrabPortReply(
ClientPtr client,
xvGrabPortReply *rep
){
char n;
swaps(&rep->sequenceNumber, n);
swapl(&rep->length, n);
(void)WriteToClient(client, sz_xvGrabPortReply, (char *)rep);
return Success;
}
static int
SWriteGetPortAttributeReply(
ClientPtr client,
xvGetPortAttributeReply *rep
){
char n;
swaps(&rep->sequenceNumber, n);
swapl(&rep->length, n);
swapl(&rep->value, n);
(void)WriteToClient(client, sz_xvGetPortAttributeReply, (char *)rep);
return Success;
}
static int
SWriteQueryBestSizeReply(
ClientPtr client,
xvQueryBestSizeReply *rep
){
char n;
swaps(&rep->sequenceNumber, n);
swapl(&rep->length, n);
swaps(&rep->actual_width, n);
swaps(&rep->actual_height, n);
(void)WriteToClient(client, sz_xvQueryBestSizeReply, (char *)rep);
return Success;
}
static int
SWriteQueryPortAttributesReply(
ClientPtr client,
xvQueryPortAttributesReply *rep
){
char n;
swaps(&rep->sequenceNumber, n);
swapl(&rep->length, n);
swapl(&rep->num_attributes, n);
swapl(&rep->text_size, n);
(void)WriteToClient(client, sz_xvQueryPortAttributesReply, (char *)rep);
return Success;
}
static int
SWriteQueryImageAttributesReply(
ClientPtr client,
xvQueryImageAttributesReply *rep
){
char n;
swaps(&rep->sequenceNumber, n);
swapl(&rep->length, n);
swapl(&rep->num_planes, n);
swapl(&rep->data_size, n);
swaps(&rep->width, n);
swaps(&rep->height, n);
(void)WriteToClient(client, sz_xvQueryImageAttributesReply, (char *)rep);
return Success;
}
static int
SWriteListImageFormatsReply(
ClientPtr client,
xvListImageFormatsReply *rep
){
char n;
swaps(&rep->sequenceNumber, n);
swapl(&rep->length, n);
swapl(&rep->num_formats, n);
(void)WriteToClient(client, sz_xvListImageFormatsReply, (char *)rep);
return Success;
}
#define _WriteQueryAdaptorsReply(_c,_d) \
if ((_c)->swapped) SWriteQueryAdaptorsReply(_c, _d); \
else WriteToClient(_c, sz_xvQueryAdaptorsReply, (char*)_d)
#define _WriteQueryExtensionReply(_c,_d) \
if ((_c)->swapped) SWriteQueryExtensionReply(_c, _d); \
else WriteToClient(_c, sz_xvQueryExtensionReply, (char*)_d)
#define _WriteQueryEncodingsReply(_c,_d) \
if ((_c)->swapped) SWriteQueryEncodingsReply(_c, _d); \
else WriteToClient(_c, sz_xvQueryEncodingsReply, (char*)_d)
#define _WriteAdaptorInfo(_c,_d) \
if ((_c)->swapped) SWriteAdaptorInfo(_c, _d); \
else WriteToClient(_c, sz_xvAdaptorInfo, (char*)_d)
#define _WriteAttributeInfo(_c,_d) \
if ((_c)->swapped) SWriteAttributeInfo(_c, _d); \
else WriteToClient(_c, sz_xvAttributeInfo, (char*)_d)
#define _WriteEncodingInfo(_c,_d) \
if ((_c)->swapped) SWriteEncodingInfo(_c, _d); \
else WriteToClient(_c, sz_xvEncodingInfo, (char*)_d)
#define _WriteFormat(_c,_d) \
if ((_c)->swapped) SWriteFormat(_c, _d); \
else WriteToClient(_c, sz_xvFormat, (char*)_d)
#define _WriteGrabPortReply(_c,_d) \
if ((_c)->swapped) SWriteGrabPortReply(_c, _d); \
else WriteToClient(_c, sz_xvGrabPortReply, (char*)_d)
#define _WriteGetPortAttributeReply(_c,_d) \
if ((_c)->swapped) SWriteGetPortAttributeReply(_c, _d); \
else WriteToClient(_c, sz_xvGetPortAttributeReply, (char*)_d)
#define _WriteQueryBestSizeReply(_c,_d) \
if ((_c)->swapped) SWriteQueryBestSizeReply(_c, _d); \
else WriteToClient(_c, sz_xvQueryBestSizeReply,(char*) _d)
#define _WriteQueryPortAttributesReply(_c,_d) \
if ((_c)->swapped) SWriteQueryPortAttributesReply(_c, _d); \
else WriteToClient(_c, sz_xvQueryPortAttributesReply,(char*) _d)
#define _WriteQueryImageAttributesReply(_c,_d) \
if ((_c)->swapped) SWriteQueryImageAttributesReply(_c, _d); \
else WriteToClient(_c, sz_xvQueryImageAttributesReply,(char*) _d)
#define _WriteListImageFormatsReply(_c,_d) \
if ((_c)->swapped) SWriteListImageFormatsReply(_c, _d); \
else WriteToClient(_c, sz_xvListImageFormatsReply,(char*) _d)
#define _WriteImageFormatInfo(_c,_d) \
if ((_c)->swapped) SWriteImageFormatInfo(_c, _d); \
else WriteToClient(_c, sz_xvImageFormatInfo, (char*)_d)
#define _AllocatePort(_i,_p) \
((_p)->id != _i) ? (* (_p)->pAdaptor->ddAllocatePort)(_i,_p,&_p) : Success
static int
ProcXvQueryExtension(ClientPtr client)
{
xvQueryExtensionReply rep;
/* REQUEST(xvQueryExtensionReq); */
REQUEST_SIZE_MATCH(xvQueryExtensionReq);
rep.type = X_Reply;
rep.sequenceNumber = client->sequence;
rep.length = 0;
rep.version = XvVersion;
rep.revision = XvRevision;
_WriteQueryExtensionReply(client, &rep);
return Success;
}
static int
ProcXvQueryAdaptors(ClientPtr client)
{
xvFormat format;
xvAdaptorInfo ainfo;
xvQueryAdaptorsReply rep;
int totalSize, na, nf, rc;
int nameSize;
XvAdaptorPtr pa;
XvFormatPtr pf;
WindowPtr pWin;
ScreenPtr pScreen;
XvScreenPtr pxvs;
REQUEST(xvQueryAdaptorsReq);
REQUEST_SIZE_MATCH(xvQueryAdaptorsReq);
rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
if (rc != Success)
return rc;
pScreen = pWin->drawable.pScreen;
pxvs = (XvScreenPtr)dixLookupPrivate(&pScreen->devPrivates,
XvGetScreenKey());
if (!pxvs)
{
rep.type = X_Reply;
rep.sequenceNumber = client->sequence;
rep.num_adaptors = 0;
rep.length = 0;
_WriteQueryAdaptorsReply(client, &rep);
return Success;
}
(* pxvs->ddQueryAdaptors)(pScreen, &pxvs->pAdaptors, &pxvs->nAdaptors);
rep.type = X_Reply;
rep.sequenceNumber = client->sequence;
rep.num_adaptors = pxvs->nAdaptors;
/* CALCULATE THE TOTAL SIZE OF THE REPLY IN BYTES */
totalSize = pxvs->nAdaptors * sz_xvAdaptorInfo;
/* FOR EACH ADPATOR ADD UP THE BYTES FOR ENCODINGS AND FORMATS */
na = pxvs->nAdaptors;
pa = pxvs->pAdaptors;
while (na--)
{
totalSize += (strlen(pa->name) + 3) & ~3;
totalSize += pa->nFormats * sz_xvFormat;
pa++;
}
rep.length = totalSize >> 2;
_WriteQueryAdaptorsReply(client, &rep);
na = pxvs->nAdaptors;
pa = pxvs->pAdaptors;
while (na--)
{
ainfo.base_id = pa->base_id;
ainfo.num_ports = pa->nPorts;
ainfo.type = pa->type;
ainfo.name_size = nameSize = strlen(pa->name);
ainfo.num_formats = pa->nFormats;
_WriteAdaptorInfo(client, &ainfo);
WriteToClient(client, nameSize, pa->name);
nf = pa->nFormats;
pf = pa->pFormats;
while (nf--)
{
format.depth = pf->depth;
format.visual = pf->visual;
_WriteFormat(client, &format);
pf++;
}
pa++;
}
return (client->noClientException);
}
static int
ProcXvQueryEncodings(ClientPtr client)
{
xvEncodingInfo einfo;
xvQueryEncodingsReply rep;
int totalSize;
int nameSize;
XvPortPtr pPort;
int ne;
XvEncodingPtr pe;
int status;
REQUEST(xvQueryEncodingsReq);
REQUEST_SIZE_MATCH(xvQueryEncodingsReq);
if(!(pPort = LOOKUP_PORT(stuff->port, client) ))
{
client->errorValue = stuff->port;
return (_XvBadPort);
}
if ((status = _AllocatePort(stuff->port, pPort)) != Success)
{
client->errorValue = stuff->port;
return (status);
}
rep.type = X_Reply;
rep.sequenceNumber = client->sequence;
rep.num_encodings = pPort->pAdaptor->nEncodings;
/* FOR EACH ENCODING ADD UP THE BYTES FOR ENCODING NAMES */
ne = pPort->pAdaptor->nEncodings;
pe = pPort->pAdaptor->pEncodings;
totalSize = ne * sz_xvEncodingInfo;
while (ne--)
{
totalSize += (strlen(pe->name) + 3) & ~3;
pe++;
}
rep.length = totalSize >> 2;
_WriteQueryEncodingsReply(client, &rep);
ne = pPort->pAdaptor->nEncodings;
pe = pPort->pAdaptor->pEncodings;
while (ne--)
{
einfo.encoding = pe->id;
einfo.name_size = nameSize = strlen(pe->name);
einfo.width = pe->width;
einfo.height = pe->height;
einfo.rate.numerator = pe->rate.numerator;
einfo.rate.denominator = pe->rate.denominator;
_WriteEncodingInfo(client, &einfo);
WriteToClient(client, nameSize, pe->name);
pe++;
}
return (client->noClientException);
}
static int
ProcXvPutVideo(ClientPtr client)
{
DrawablePtr pDraw;
XvPortPtr pPort;
GCPtr pGC;
int status;
REQUEST(xvPutVideoReq);
REQUEST_SIZE_MATCH(xvPutVideoReq);
VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess);
if(!(pPort = LOOKUP_PORT(stuff->port, client) ))
{
client->errorValue = stuff->port;
return (_XvBadPort);
}
if ((status = _AllocatePort(stuff->port, pPort)) != Success)
{
client->errorValue = stuff->port;
return (status);
}
if (!(pPort->pAdaptor->type & XvInputMask) ||
!(pPort->pAdaptor->type & XvVideoMask))
{
client->errorValue = stuff->port;
return (BadMatch);
}
status = XvdiMatchPort(pPort, pDraw);
if (status != Success)
{
return status;
}
return XvdiPutVideo(client, pDraw, pPort, pGC, stuff->vid_x, stuff->vid_y,
stuff->vid_w, stuff->vid_h, stuff->drw_x, stuff->drw_y,
stuff->drw_w, stuff->drw_h);
}
static int
ProcXvPutStill(ClientPtr client)
{
DrawablePtr pDraw;
XvPortPtr pPort;
GCPtr pGC;
int status;
REQUEST(xvPutStillReq);
REQUEST_SIZE_MATCH(xvPutStillReq);
VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess);
if(!(pPort = LOOKUP_PORT(stuff->port, client) ))
{
client->errorValue = stuff->port;
return (_XvBadPort);
}
if ((status = _AllocatePort(stuff->port, pPort)) != Success)
{
client->errorValue = stuff->port;
return (status);
}
if (!(pPort->pAdaptor->type & XvInputMask) ||
!(pPort->pAdaptor->type & XvStillMask))
{
client->errorValue = stuff->port;
return (BadMatch);
}
status = XvdiMatchPort(pPort, pDraw);
if (status != Success)
{
return status;
}
return XvdiPutStill(client, pDraw, pPort, pGC, stuff->vid_x, stuff->vid_y,
stuff->vid_w, stuff->vid_h, stuff->drw_x, stuff->drw_y,
stuff->drw_w, stuff->drw_h);
}
static int
ProcXvGetVideo(ClientPtr client)
{
DrawablePtr pDraw;
XvPortPtr pPort;
GCPtr pGC;
int status;
REQUEST(xvGetVideoReq);
REQUEST_SIZE_MATCH(xvGetVideoReq);
VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixReadAccess);
if(!(pPort = LOOKUP_PORT(stuff->port, client) ))
{
client->errorValue = stuff->port;
return (_XvBadPort);
}
if ((status = _AllocatePort(stuff->port, pPort)) != Success)
{
client->errorValue = stuff->port;
return (status);
}
if (!(pPort->pAdaptor->type & XvOutputMask) ||
!(pPort->pAdaptor->type & XvVideoMask))
{
client->errorValue = stuff->port;
return (BadMatch);
}
status = XvdiMatchPort(pPort, pDraw);
if (status != Success)
{
return status;
}
return XvdiGetVideo(client, pDraw, pPort, pGC, stuff->vid_x, stuff->vid_y,
stuff->vid_w, stuff->vid_h, stuff->drw_x, stuff->drw_y,
stuff->drw_w, stuff->drw_h);
}
static int
ProcXvGetStill(ClientPtr client)
{
DrawablePtr pDraw;
XvPortPtr pPort;
GCPtr pGC;
int status;
REQUEST(xvGetStillReq);
REQUEST_SIZE_MATCH(xvGetStillReq);
VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixReadAccess);
if(!(pPort = LOOKUP_PORT(stuff->port, client) ))
{
client->errorValue = stuff->port;
return (_XvBadPort);
}
if ((status = _AllocatePort(stuff->port, pPort)) != Success)
{
client->errorValue = stuff->port;
return (status);
}
if (!(pPort->pAdaptor->type & XvOutputMask) ||
!(pPort->pAdaptor->type & XvStillMask))
{
client->errorValue = stuff->port;
return (BadMatch);
}
status = XvdiMatchPort(pPort, pDraw);
if (status != Success)
{
return status;
}
return XvdiGetStill(client, pDraw, pPort, pGC, stuff->vid_x, stuff->vid_y,
stuff->vid_w, stuff->vid_h, stuff->drw_x, stuff->drw_y,
stuff->drw_w, stuff->drw_h);
}
static int
ProcXvSelectVideoNotify(ClientPtr client)
{
DrawablePtr pDraw;
int rc;
REQUEST(xvSelectVideoNotifyReq);
REQUEST_SIZE_MATCH(xvSelectVideoNotifyReq);
rc = dixLookupDrawable(&pDraw, stuff->drawable, client, 0, DixReceiveAccess);
if (rc != Success)
return rc;
return XvdiSelectVideoNotify(client, pDraw, stuff->onoff);
}
static int
ProcXvSelectPortNotify(ClientPtr client)
{
int status;
XvPortPtr pPort;
REQUEST(xvSelectPortNotifyReq);
REQUEST_SIZE_MATCH(xvSelectPortNotifyReq);
if(!(pPort = LOOKUP_PORT(stuff->port, client) ))
{
client->errorValue = stuff->port;
return (_XvBadPort);
}
if ((status = _AllocatePort(stuff->port, pPort)) != Success)
{
client->errorValue = stuff->port;
return (status);
}
return XvdiSelectPortNotify(client, pPort, stuff->onoff);
}
static int
ProcXvGrabPort(ClientPtr client)
{
int result, status;
XvPortPtr pPort;
xvGrabPortReply rep;
REQUEST(xvGrabPortReq);
REQUEST_SIZE_MATCH(xvGrabPortReq);
if(!(pPort = LOOKUP_PORT(stuff->port, client) ))
{
client->errorValue = stuff->port;
return (_XvBadPort);
}
if ((status = _AllocatePort(stuff->port, pPort)) != Success)
{
client->errorValue = stuff->port;
return (status);
}
status = XvdiGrabPort(client, pPort, stuff->time, &result);
if (status != Success)
{
return status;
}
rep.type = X_Reply;
rep.sequenceNumber = client->sequence;
rep.length = 0;
rep.result = result;
_WriteGrabPortReply(client, &rep);
return Success;
}
static int
ProcXvUngrabPort(ClientPtr client)
{
int status;
XvPortPtr pPort;
REQUEST(xvGrabPortReq);
REQUEST_SIZE_MATCH(xvGrabPortReq);
if(!(pPort = LOOKUP_PORT(stuff->port, client) ))
{
client->errorValue = stuff->port;
return (_XvBadPort);
}
if ((status = _AllocatePort(stuff->port, pPort)) != Success)
{
client->errorValue = stuff->port;
return (status);
}
return XvdiUngrabPort(client, pPort, stuff->time);
}
static int
ProcXvStopVideo(ClientPtr client)
{
int status, rc;
DrawablePtr pDraw;
XvPortPtr pPort;
REQUEST(xvStopVideoReq);
REQUEST_SIZE_MATCH(xvStopVideoReq);
if(!(pPort = LOOKUP_PORT(stuff->port, client) ))
{
client->errorValue = stuff->port;
return (_XvBadPort);
}
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);
}
static int
ProcXvSetPortAttribute(ClientPtr client)
{
int status;
XvPortPtr pPort;
REQUEST(xvSetPortAttributeReq);
REQUEST_SIZE_MATCH(xvSetPortAttributeReq);
if(!(pPort = LOOKUP_PORT(stuff->port, client) ))
{
client->errorValue = stuff->port;
return (_XvBadPort);
}
if ((status = _AllocatePort(stuff->port, pPort)) != Success)
{
client->errorValue = stuff->port;
return (status);
}
if (!ValidAtom(stuff->attribute))
{
client->errorValue = stuff->attribute;
return(BadAtom);
}
status = XvdiSetPortAttribute(client, pPort, stuff->attribute, stuff->value);
if (status == BadMatch)
client->errorValue = stuff->attribute;
else
client->errorValue = stuff->value;
return status;
}
static int
ProcXvGetPortAttribute(ClientPtr client)
{
INT32 value;
int status;
XvPortPtr pPort;
xvGetPortAttributeReply rep;
REQUEST(xvGetPortAttributeReq);
REQUEST_SIZE_MATCH(xvGetPortAttributeReq);
if(!(pPort = LOOKUP_PORT(stuff->port, client) ))
{
client->errorValue = stuff->port;
return (_XvBadPort);
}
if ((status = _AllocatePort(stuff->port, pPort)) != Success)
{
client->errorValue = stuff->port;
return (status);
}
if (!ValidAtom(stuff->attribute))
{
client->errorValue = stuff->attribute;
return(BadAtom);
}
status = XvdiGetPortAttribute(client, pPort, stuff->attribute, &value);
if (status != Success)
{
client->errorValue = stuff->attribute;
return status;
}
rep.type = X_Reply;
rep.sequenceNumber = client->sequence;
rep.length = 0;
rep.value = value;
_WriteGetPortAttributeReply(client, &rep);
return Success;
}
static int
ProcXvQueryBestSize(ClientPtr client)
{
int status;
unsigned int actual_width, actual_height;
XvPortPtr pPort;
xvQueryBestSizeReply rep;
REQUEST(xvQueryBestSizeReq);
REQUEST_SIZE_MATCH(xvQueryBestSizeReq);
if(!(pPort = LOOKUP_PORT(stuff->port, client) ))
{
client->errorValue = stuff->port;
return (_XvBadPort);
}
if ((status = _AllocatePort(stuff->port, pPort)) != Success)
{
client->errorValue = stuff->port;
return (status);
}
rep.type = X_Reply;
rep.sequenceNumber = client->sequence;
rep.length = 0;
(* pPort->pAdaptor->ddQueryBestSize)(client, pPort, stuff->motion,
stuff->vid_w, stuff->vid_h,
stuff->drw_w, stuff->drw_h,
&actual_width, &actual_height);
rep.actual_width = actual_width;
rep.actual_height = actual_height;
_WriteQueryBestSizeReply(client, &rep);
return Success;
}
static int
ProcXvQueryPortAttributes(ClientPtr client)
{
int status, size, i;
XvPortPtr pPort;
XvAttributePtr pAtt;
xvQueryPortAttributesReply rep;
xvAttributeInfo Info;
REQUEST(xvQueryPortAttributesReq);
REQUEST_SIZE_MATCH(xvQueryPortAttributesReq);
if(!(pPort = LOOKUP_PORT(stuff->port, client) ))
{
client->errorValue = stuff->port;
return (_XvBadPort);
}
if ((status = _AllocatePort(stuff->port, pPort)) != Success)
{
client->errorValue = stuff->port;
return (status);
}
rep.type = X_Reply;
rep.sequenceNumber = client->sequence;
rep.num_attributes = pPort->pAdaptor->nAttributes;
rep.text_size = 0;
for(i = 0, pAtt = pPort->pAdaptor->pAttributes;
i < pPort->pAdaptor->nAttributes; i++, pAtt++)
{
rep.text_size += (strlen(pAtt->name) + 1 + 3) & ~3L;
}
rep.length = (pPort->pAdaptor->nAttributes * sz_xvAttributeInfo)
+ rep.text_size;
rep.length >>= 2;
_WriteQueryPortAttributesReply(client, &rep);
for(i = 0, pAtt = pPort->pAdaptor->pAttributes;
i < pPort->pAdaptor->nAttributes; i++, pAtt++)
{
size = strlen(pAtt->name) + 1; /* pass the NULL */
Info.flags = pAtt->flags;
Info.min = pAtt->min_value;
Info.max = pAtt->max_value;
Info.size = (size + 3) & ~3L;
_WriteAttributeInfo(client, &Info);