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authorReinhard Tartler <siretart@tauware.de>2011-10-10 17:43:39 +0200
committerReinhard Tartler <siretart@tauware.de>2011-10-10 17:43:39 +0200
commitf4092abdf94af6a99aff944d6264bc1284e8bdd4 (patch)
tree2ac1c9cc16ceb93edb2c4382c088dac5aeafdf0f /nx-X11/lib/Xv/Xv.c
parenta840692edc9c6d19cd7c057f68e39c7d95eb767d (diff)
downloadnx-libs-f4092abdf94af6a99aff944d6264bc1284e8bdd4.tar.gz
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Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1
Summary: Imported nx-X11-3.1.0-1.tar.gz Keywords: Imported nx-X11-3.1.0-1.tar.gz into Git repository
Diffstat (limited to 'nx-X11/lib/Xv/Xv.c')
-rw-r--r--nx-X11/lib/Xv/Xv.c1155
1 files changed, 1155 insertions, 0 deletions
diff --git a/nx-X11/lib/Xv/Xv.c b/nx-X11/lib/Xv/Xv.c
new file mode 100644
index 000000000..0097a3fa5
--- /dev/null
+++ b/nx-X11/lib/Xv/Xv.c
@@ -0,0 +1,1155 @@
+/***********************************************************
+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.
+
+******************************************************************/
+/* $XFree86: xc/lib/Xv/Xv.c,v 1.17 2003/04/28 16:56:27 dawes Exp $ */
+/* $XdotOrg: xc/lib/Xv/Xv.c,v 1.3 2005/07/03 07:00:57 daniels Exp $ */
+/*
+** File:
+**
+** Xv.c --- Xv library extension module.
+**
+** Author:
+**
+** David Carver (Digital Workstation Engineering/Project Athena)
+**
+** Revisions:
+**
+** 26.06.91 Carver
+** - changed XvFreeAdaptors to XvFreeAdaptorInfo
+** - changed XvFreeEncodings to XvFreeEncodingInfo
+**
+** 11.06.91 Carver
+** - changed SetPortControl to SetPortAttribute
+** - changed GetPortControl to GetPortAttribute
+** - changed QueryBestSize
+**
+** 15.05.91 Carver
+** - version 2.0 upgrade
+**
+** 240.01.91 Carver
+** - version 1.4 upgrade
+**
+*/
+
+#include <stdio.h>
+#include "Xvlibint.h"
+#include <X11/extensions/Xext.h>
+#include <X11/extensions/extutil.h>
+#include <X11/extensions/XShm.h>
+
+static XExtensionInfo _xv_info_data;
+static XExtensionInfo *xv_info = &_xv_info_data;
+static char *xv_extension_name = XvName;
+
+#define XvCheckExtension(dpy, i, val) \
+ XextCheckExtension(dpy, i, xv_extension_name, val)
+
+static char *xv_error_string();
+static int xv_close_display();
+static Bool xv_wire_to_event();
+
+static XExtensionHooks xv_extension_hooks = {
+ NULL, /* create_gc */
+ NULL, /* copy_gc */
+ NULL, /* flush_gc */
+ NULL, /* free_gc */
+ NULL, /* create_font */
+ NULL, /* free_font */
+ xv_close_display, /* close_display */
+ xv_wire_to_event, /* wire_to_event */
+ NULL, /* event_to_wire */
+ NULL, /* error */
+ xv_error_string /* error_string */
+};
+
+
+static char *xv_error_list[] =
+{
+ "BadPort", /* XvBadPort */
+ "BadEncoding", /* XvBadEncoding */
+ "BadControl" /* XvBadControl */
+};
+
+static XEXT_GENERATE_CLOSE_DISPLAY (xv_close_display, xv_info)
+
+
+static XEXT_GENERATE_FIND_DISPLAY (xv_find_display, xv_info,
+ xv_extension_name,
+ &xv_extension_hooks,
+ XvNumEvents, NULL)
+
+
+static XEXT_GENERATE_ERROR_STRING (xv_error_string, xv_extension_name,
+ XvNumErrors, xv_error_list)
+
+
+int
+XvQueryExtension(
+ Display *dpy,
+ unsigned int *p_version,
+ unsigned int *p_revision,
+ unsigned int *p_requestBase,
+ unsigned int *p_eventBase,
+ unsigned int *p_errorBase
+){
+ XExtDisplayInfo *info = xv_find_display(dpy);
+ xvQueryExtensionReq *req;
+ xvQueryExtensionReply rep;
+
+ XvCheckExtension(dpy, info, XvBadExtension);
+
+ LockDisplay(dpy);
+
+ XvGetReq(QueryExtension, req);
+
+ if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return XvBadExtension;
+ }
+
+ *p_version = rep.version;
+ *p_revision = rep.revision;
+ *p_requestBase = info->codes->major_opcode;
+ *p_eventBase = info->codes->first_event;
+ *p_errorBase = info->codes->first_error;
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+ return Success;
+}
+
+int
+XvQueryAdaptors(
+ Display *dpy,
+ Window window,
+ unsigned int *p_nAdaptors,
+ XvAdaptorInfo **p_pAdaptors
+){
+ XExtDisplayInfo *info = xv_find_display(dpy);
+ xvQueryAdaptorsReq *req;
+ xvQueryAdaptorsReply rep;
+ int size,ii,jj;
+ char *name;
+ XvAdaptorInfo *pas, *pa;
+ XvFormat *pfs, *pf;
+ char *buffer;
+ union
+ {
+ char *buffer;
+ char *string;
+ xvAdaptorInfo *pa;
+ xvFormat *pf;
+ } u;
+
+ XvCheckExtension(dpy, info, XvBadExtension);
+
+ LockDisplay(dpy);
+
+ XvGetReq(QueryAdaptors, req);
+ req->window = window;
+
+ /* READ THE REPLY */
+
+ if (_XReply(dpy, (xReply *)&rep, 0, xFalse) == 0) {
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return(XvBadReply);
+ }
+
+ size = rep.length << 2;
+ if ( (buffer = (char *)Xmalloc ((unsigned) size)) == NULL) {
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return(XvBadAlloc);
+ }
+ _XRead (dpy, buffer, size);
+
+ u.buffer = buffer;
+
+ /* GET INPUT ADAPTORS */
+
+ if (rep.num_adaptors == 0) {
+ pas = NULL;
+ } else {
+ size = rep.num_adaptors*sizeof(XvAdaptorInfo);
+ if ((pas=(XvAdaptorInfo *)Xmalloc(size))==NULL) {
+ Xfree(buffer);
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return(XvBadAlloc);
+ }
+ }
+
+ /* INIT ADAPTOR FIELDS */
+
+ pa = pas;
+ for (ii=0; ii<rep.num_adaptors; ii++) {
+ pa->num_adaptors = 0;
+ pa->name = (char *)NULL;
+ pa->formats = (XvFormat *)NULL;
+ pa++;
+ }
+
+ pa = pas;
+ for (ii=0; ii<rep.num_adaptors; ii++) {
+ pa->type = u.pa->type;
+ pa->base_id = u.pa->base_id;
+ pa->num_ports = u.pa->num_ports;
+ pa->num_formats = u.pa->num_formats;
+ pa->num_adaptors = rep.num_adaptors - ii;
+
+ /* GET ADAPTOR NAME */
+
+ size = u.pa->name_size;
+ u.buffer += (sz_xvAdaptorInfo + 3) & ~3;
+
+ if ( (name = (char *)Xmalloc(size+1)) == NULL)
+ {
+ XvFreeAdaptorInfo(pas);
+ Xfree(buffer);
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return(XvBadAlloc);
+ }
+ (void)strncpy(name, u.string, size);
+ name[size] = '\0';
+ pa->name = name;
+
+ u.buffer += (size + 3) & ~3;
+
+ /* GET FORMATS */
+
+ size = pa->num_formats*sizeof(XvFormat);
+ if ((pfs=(XvFormat *)Xmalloc(size))==NULL) {
+ XvFreeAdaptorInfo(pas);
+ Xfree(buffer);
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return(XvBadAlloc);
+ }
+
+ pf = pfs;
+ for (jj=0; jj<pa->num_formats; jj++) {
+ pf->depth = u.pf->depth;
+ pf->visual_id = u.pf->visual;
+ pf++;
+
+ u.buffer += (sz_xvFormat + 3) & ~3;
+ }
+
+ pa->formats = pfs;
+
+ pa++;
+
+ }
+
+ *p_nAdaptors = rep.num_adaptors;
+ *p_pAdaptors = pas;
+
+ Xfree(buffer);
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+ return (Success);
+}
+
+
+void
+XvFreeAdaptorInfo(XvAdaptorInfo *pAdaptors)
+{
+
+ XvAdaptorInfo *pa;
+ int ii;
+
+ if (!pAdaptors) return;
+
+ pa = pAdaptors;
+
+ for (ii=0; ii<pAdaptors->num_adaptors; ii++, pa++)
+ {
+ if (pa->name)
+ {
+ Xfree(pa->name);
+ }
+ if (pa->formats)
+ {
+ Xfree(pa->formats);
+ }
+ }
+
+ Xfree(pAdaptors);
+}
+
+int
+XvQueryEncodings(
+ Display *dpy,
+ XvPortID port,
+ unsigned int *p_nEncodings,
+ XvEncodingInfo **p_pEncodings
+){
+ XExtDisplayInfo *info = xv_find_display(dpy);
+ xvQueryEncodingsReq *req;
+ xvQueryEncodingsReply rep;
+ int size, jj;
+ char *name;
+ XvEncodingInfo *pes, *pe;
+ char *buffer;
+ union
+ {
+ char *buffer;
+ char *string;
+ xvEncodingInfo *pe;
+ } u;
+
+ XvCheckExtension(dpy, info, XvBadExtension);
+
+ LockDisplay(dpy);
+
+ XvGetReq(QueryEncodings, req);
+ req->port = port;
+
+ /* READ THE REPLY */
+
+ if (_XReply(dpy, (xReply *)&rep, 0, xFalse) == 0) {
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return(XvBadReply);
+ }
+
+ size = rep.length << 2;
+ if ( (buffer = (char *)Xmalloc ((unsigned) size)) == NULL) {
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return(XvBadAlloc);
+ }
+ _XRead (dpy, buffer, size);
+
+ u.buffer = buffer;
+
+ /* GET ENCODINGS */
+
+ size = rep.num_encodings*sizeof(XvEncodingInfo);
+ if ( (pes = (XvEncodingInfo *)Xmalloc(size)) == NULL) {
+ Xfree(buffer);
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return(XvBadAlloc);
+ }
+
+ /* INITIALIZE THE ENCODING POINTER */
+
+ pe = pes;
+ for (jj=0; jj<rep.num_encodings; jj++) {
+ pe->name = (char *)NULL;
+ pe->num_encodings = 0;
+ pe++;
+ }
+
+ pe = pes;
+ for (jj=0; jj<rep.num_encodings; jj++) {
+ pe->encoding_id = u.pe->encoding;
+ pe->width = u.pe->width;
+ pe->height = u.pe->height;
+ pe->rate.numerator = u.pe->rate.numerator;
+ pe->rate.denominator = u.pe->rate.denominator;
+ pe->num_encodings = rep.num_encodings - jj;
+
+ size = u.pe->name_size;
+ u.buffer += (sz_xvEncodingInfo + 3) & ~3;
+
+ if ( (name = (char *)Xmalloc(size+1)) == NULL) {
+ Xfree(buffer);
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return(XvBadAlloc);
+ }
+ strncpy(name, u.string, size);
+ name[size] = '\0';
+ pe->name = name;
+ pe++;
+
+ u.buffer += (size + 3) & ~3;
+ }
+
+ *p_nEncodings = rep.num_encodings;
+ *p_pEncodings = pes;
+
+ Xfree(buffer);
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+ return (Success);
+}
+
+void
+XvFreeEncodingInfo(XvEncodingInfo *pEncodings)
+{
+
+ XvEncodingInfo *pe;
+ int ii;
+
+ if (!pEncodings) return;
+
+ pe = pEncodings;
+
+ for (ii=0; ii<pEncodings->num_encodings; ii++, pe++) {
+ if (pe->name) Xfree(pe->name);
+ }
+
+ Xfree(pEncodings);
+}
+
+int
+XvPutVideo(
+ Display *dpy,
+ XvPortID port,
+ Drawable d,
+ GC gc,
+ int vx, int vy,
+ unsigned int vw, unsigned int vh,
+ int dx, int dy,
+ unsigned int dw, unsigned int dh
+){
+ XExtDisplayInfo *info = xv_find_display(dpy);
+ xvPutVideoReq *req;
+
+ XvCheckExtension(dpy, info, XvBadExtension);
+
+ LockDisplay(dpy);
+
+ FlushGC(dpy, gc);
+
+ XvGetReq(PutVideo, req);
+
+ req->port = port;
+ req->drawable = d;
+ req->gc = gc->gid;
+ req->vid_x = vx;
+ req->vid_y = vy;
+ req->vid_w = vw;
+ req->vid_h = vh;
+ req->drw_x = dx;
+ req->drw_y = dy;
+ req->drw_w = dw;
+ req->drw_h = dh;
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+ return Success;
+}
+
+int
+XvPutStill(
+ Display *dpy,
+ XvPortID port,
+ Drawable d,
+ GC gc,
+ int vx, int vy,
+ unsigned int vw, unsigned int vh,
+ int dx, int dy,
+ unsigned int dw, unsigned int dh
+){
+ XExtDisplayInfo *info = xv_find_display(dpy);
+ xvPutStillReq *req;
+
+ XvCheckExtension(dpy, info, XvBadExtension);
+
+ LockDisplay(dpy);
+
+ FlushGC(dpy, gc);
+
+ XvGetReq(PutStill, req);
+ req->port = port;
+ req->drawable = d;
+ req->gc = gc->gid;
+ req->vid_x = vx;
+ req->vid_y = vy;
+ req->vid_w = vw;
+ req->vid_h = vh;
+ req->drw_x = dx;
+ req->drw_y = dy;
+ req->drw_w = dw;
+ req->drw_h = dh;
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+ return Success;
+}
+
+int
+XvGetVideo(
+ Display *dpy,
+ XvPortID port,
+ Drawable d,
+ GC gc,
+ int vx, int vy,
+ unsigned int vw, unsigned int vh,
+ int dx, int dy,
+ unsigned int dw, unsigned int dh
+){
+ XExtDisplayInfo *info = xv_find_display(dpy);
+ xvGetVideoReq *req;
+
+ XvCheckExtension(dpy, info, XvBadExtension);
+
+ LockDisplay(dpy);
+
+ FlushGC(dpy, gc);
+
+ XvGetReq(GetVideo, req);
+ req->port = port;
+ req->drawable = d;
+ req->gc = gc->gid;
+ req->vid_x = vx;
+ req->vid_y = vy;
+ req->vid_w = vw;
+ req->vid_h = vh;
+ req->drw_x = dx;
+ req->drw_y = dy;
+ req->drw_w = dw;
+ req->drw_h = dh;
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+ return Success;
+}
+
+int
+XvGetStill(
+ Display *dpy,
+ XvPortID port,
+ Drawable d,
+ GC gc,
+ int vx, int vy,
+ unsigned int vw, unsigned int vh,
+ int dx, int dy,
+ unsigned int dw, unsigned int dh
+){
+ XExtDisplayInfo *info = xv_find_display(dpy);
+ xvGetStillReq *req;
+
+ XvCheckExtension(dpy, info, XvBadExtension);
+
+ LockDisplay(dpy);
+
+ FlushGC(dpy, gc);
+
+ XvGetReq(GetStill, req);
+ req->port = port;
+ req->drawable = d;
+ req->gc = gc->gid;
+ req->vid_x = vx;
+ req->vid_y = vy;
+ req->vid_w = vw;
+ req->vid_h = vh;
+ req->drw_x = dx;
+ req->drw_y = dy;
+ req->drw_w = dw;
+ req->drw_h = dh;
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+ return Success;
+}
+
+int
+XvStopVideo(
+ Display *dpy,
+ XvPortID port,
+ Drawable draw
+){
+ XExtDisplayInfo *info = xv_find_display(dpy);
+ xvStopVideoReq *req;
+
+ XvCheckExtension(dpy, info, XvBadExtension);
+
+ LockDisplay(dpy);
+
+ XvGetReq(StopVideo, req);
+ req->port = port;
+ req->drawable = draw;
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+ return Success;
+}
+
+int
+XvGrabPort(
+ Display *dpy,
+ XvPortID port,
+ Time time
+){
+ XExtDisplayInfo *info = xv_find_display(dpy);
+ int result;
+ xvGrabPortReply rep;
+ xvGrabPortReq *req;
+
+ XvCheckExtension(dpy, info, XvBadExtension);
+
+ LockDisplay(dpy);
+
+ XvGetReq(GrabPort, req);
+ req->port = port;
+ req->time = time;
+
+ if (_XReply (dpy, (xReply *) &rep, 0, xTrue) == 0)
+ rep.result = GrabSuccess;
+
+ result = rep.result;
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+ return result;
+}
+
+int
+XvUngrabPort(
+ Display *dpy,
+ XvPortID port,
+ Time time
+){
+ XExtDisplayInfo *info = xv_find_display(dpy);
+ xvUngrabPortReq *req;
+
+ XvCheckExtension(dpy, info, XvBadExtension);
+
+ LockDisplay(dpy);
+
+ XvGetReq(UngrabPort, req);
+ req->port = port;
+ req->time = time;
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+ return Success;
+}
+
+int
+XvSelectVideoNotify(
+ Display *dpy,
+ Drawable drawable,
+ Bool onoff
+){
+ XExtDisplayInfo *info = xv_find_display(dpy);
+ xvSelectVideoNotifyReq *req;
+
+ XvCheckExtension(dpy, info, XvBadExtension);
+
+ LockDisplay(dpy);
+
+ XvGetReq(SelectVideoNotify, req);
+ req->drawable = drawable;
+ req->onoff = onoff;
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+ return Success;
+}
+
+int
+XvSelectPortNotify(
+ Display *dpy,
+ XvPortID port,
+ Bool onoff
+){
+ XExtDisplayInfo *info = xv_find_display(dpy);
+ xvSelectPortNotifyReq *req;
+
+ XvCheckExtension(dpy, info, XvBadExtension);
+
+ LockDisplay(dpy);
+
+ XvGetReq(SelectPortNotify, req);
+ req->port = port;
+ req->onoff = onoff;
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+ return Success;
+}
+
+int
+XvSetPortAttribute (
+ Display *dpy,
+ XvPortID port,
+ Atom attribute,
+ int value
+)
+{
+ XExtDisplayInfo *info = xv_find_display(dpy);
+ xvSetPortAttributeReq *req;
+
+ XvCheckExtension(dpy, info, XvBadExtension);
+
+ LockDisplay(dpy);
+
+ XvGetReq(SetPortAttribute, req);
+ req->port = port;
+ req->attribute = attribute;
+ req->value = value;
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+ return (Success);
+}
+
+int
+XvGetPortAttribute (
+ Display *dpy,
+ XvPortID port,
+ Atom attribute,
+ int *p_value
+)
+{
+ XExtDisplayInfo *info = xv_find_display(dpy);
+ xvGetPortAttributeReq *req;
+ xvGetPortAttributeReply rep;
+
+ XvCheckExtension(dpy, info, XvBadExtension);
+
+ LockDisplay(dpy);
+
+ XvGetReq(GetPortAttribute, req);
+ req->port = port;
+ req->attribute = attribute;
+
+ /* READ THE REPLY */
+
+ if (_XReply(dpy, (xReply *)&rep, 0, xFalse) == 0) {
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return(XvBadReply);
+ }
+
+ *p_value = rep.value;
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+ return (Success);
+}
+
+int
+XvQueryBestSize(
+ Display *dpy,
+ XvPortID port,
+ Bool motion,
+ unsigned int vid_w,
+ unsigned int vid_h,
+ unsigned int drw_w,
+ unsigned int drw_h,
+ unsigned int *p_actual_width,
+ unsigned int *p_actual_height
+)
+{
+ XExtDisplayInfo *info = xv_find_display(dpy);
+ xvQueryBestSizeReq *req;
+ xvQueryBestSizeReply rep;
+
+ XvCheckExtension(dpy, info, XvBadExtension);
+
+ LockDisplay(dpy);
+
+ XvGetReq(QueryBestSize, req);
+ req->port = port;
+ req->motion = motion;
+ req->vid_w = vid_w;
+ req->vid_h = vid_h;
+ req->drw_w = drw_w;
+ req->drw_h = drw_h;
+
+ /* READ THE REPLY */
+
+ if (_XReply(dpy, (xReply *)&rep, 0, xFalse) == 0) {
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return(XvBadReply);
+ }
+
+ *p_actual_width = rep.actual_width;
+ *p_actual_height = rep.actual_height;
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+ return (Success);
+}
+
+
+XvAttribute*
+XvQueryPortAttributes(Display *dpy, XvPortID port, int *num)
+{
+ XExtDisplayInfo *info = xv_find_display(dpy);
+ xvQueryPortAttributesReq *req;
+ xvQueryPortAttributesReply rep;
+ XvAttribute *ret = NULL;
+
+ *num = 0;
+
+ XvCheckExtension(dpy, info, NULL);
+
+ LockDisplay(dpy);
+
+ XvGetReq(QueryPortAttributes, req);
+ req->port = port;
+
+ /* READ THE REPLY */
+
+ if (_XReply(dpy, (xReply *)&rep, 0, xFalse) == 0) {
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return ret;
+ }
+
+ if(rep.num_attributes) {
+ int size = (rep.num_attributes * sizeof(XvAttribute)) + rep.text_size;
+
+ if((ret = Xmalloc(size))) {
+ char* marker = (char*)(&ret[rep.num_attributes]);
+ xvAttributeInfo Info;
+ int i;
+
+ for(i = 0; i < rep.num_attributes; i++) {
+ _XRead(dpy, (char*)(&Info), sz_xvAttributeInfo);
+ ret[i].flags = (int)Info.flags;
+ ret[i].min_value = Info.min;
+ ret[i].max_value = Info.max;
+ ret[i].name = marker;
+ _XRead(dpy, marker, Info.size);
+ marker += Info.size;
+ (*num)++;
+ }
+ } else
+ _XEatData(dpy, rep.length << 2);
+ }
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+ return ret;
+}
+
+XvImageFormatValues * XvListImageFormats (
+ Display *dpy,
+ XvPortID port,
+ int *num
+){
+ XExtDisplayInfo *info = xv_find_display(dpy);
+ xvListImageFormatsReq *req;
+ xvListImageFormatsReply rep;
+ XvImageFormatValues *ret = NULL;
+
+ *num = 0;
+
+ XvCheckExtension(dpy, info, NULL);
+
+ LockDisplay(dpy);
+
+ XvGetReq(ListImageFormats, req);
+ req->port = port;
+
+ /* READ THE REPLY */
+
+ if (_XReply(dpy, (xReply *)&rep, 0, xFalse) == 0) {
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return NULL;
+ }
+
+ if(rep.num_formats) {
+ int size = (rep.num_formats * sizeof(XvImageFormatValues));
+
+ if((ret = Xmalloc(size))) {
+ xvImageFormatInfo Info;
+ int i;
+
+ for(i = 0; i < rep.num_formats; i++) {
+ _XRead(dpy, (char*)(&Info), sz_xvImageFormatInfo);
+ ret[i].id = Info.id;
+ ret[i].type = Info.type;
+ ret[i].byte_order = Info.byte_order;
+ memcpy(&(ret[i].guid[0]), &(Info.guid[0]), 16);
+ ret[i].bits_per_pixel = Info.bpp;
+ ret[i].format = Info.format;
+ ret[i].num_planes = Info.num_planes;
+ ret[i].depth = Info.depth;
+ ret[i].red_mask = Info.red_mask;
+ ret[i].green_mask = Info.green_mask;
+ ret[i].blue_mask = Info.blue_mask;
+ ret[i].y_sample_bits = Info.y_sample_bits;
+ ret[i].u_sample_bits = Info.u_sample_bits;
+ ret[i].v_sample_bits = Info.v_sample_bits;
+ ret[i].horz_y_period = Info.horz_y_period;
+ ret[i].horz_u_period = Info.horz_u_period;
+ ret[i].horz_v_period = Info.horz_v_period;
+ ret[i].vert_y_period = Info.vert_y_period;
+ ret[i].vert_u_period = Info.vert_u_period;
+ ret[i].vert_v_period = Info.vert_v_period;
+ memcpy(&(ret[i].component_order[0]), &(Info.comp_order[0]), 32);
+ ret[i].scanline_order = Info.scanline_order;
+ (*num)++;
+ }
+ } else
+ _XEatData(dpy, rep.length << 2);
+ }
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+ return ret;
+}
+
+XvImage * XvCreateImage (
+ Display *dpy,
+ XvPortID port,
+ int id,
+ char *data,
+ int width,
+ int height
+) {
+ XExtDisplayInfo *info = xv_find_display(dpy);
+ xvQueryImageAttributesReq *req;
+ xvQueryImageAttributesReply rep;
+ XvImage *ret = NULL;
+
+ XvCheckExtension(dpy, info, NULL);
+
+ LockDisplay(dpy);
+
+ XvGetReq(QueryImageAttributes, req);
+ req->id = id;
+ req->port = port;
+ req->width = width;
+ req->height = height;
+
+ /* READ THE REPLY */
+
+ if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return NULL;
+ }
+
+ if((ret = (XvImage*)Xmalloc(sizeof(XvImage) + (rep.num_planes << 3)))) {
+ ret->id = id;
+ ret->width = rep.width;
+ ret->height = rep.height;
+ ret->data_size = rep.data_size;
+ ret->num_planes = rep.num_planes;
+ ret->pitches = (int*)(&ret[1]);
+ ret->offsets = ret->pitches + rep.num_planes;
+ ret->data = data;
+ ret->obdata = NULL;
+ _XRead(dpy, (char*)(ret->pitches), rep.num_planes << 2);
+ _XRead(dpy, (char*)(ret->offsets), rep.num_planes << 2);
+ } else
+ _XEatData(dpy, rep.length << 2);
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+ return ret;
+}
+
+XvImage * XvShmCreateImage (
+ Display *dpy,
+ XvPortID port,
+ int id,
+ char *data,
+ int width,
+ int height,
+ XShmSegmentInfo *shminfo
+){
+ XvImage *ret;
+
+ ret = XvCreateImage(dpy, port, id, data, width, height);
+
+ if(ret) ret->obdata = (XPointer)shminfo;
+
+ return ret;
+}
+
+int XvPutImage (
+ Display *dpy,
+ XvPortID port,
+ Drawable d,
+ GC gc,
+ XvImage *image,
+ int src_x,
+ int src_y,
+ unsigned int src_w,
+ unsigned int src_h,
+ int dest_x,
+ int dest_y,
+ unsigned int dest_w,
+ unsigned int dest_h
+){
+ XExtDisplayInfo *info = xv_find_display(dpy);
+ xvPutImageReq *req;
+ int len;
+
+ XvCheckExtension(dpy, info, XvBadExtension);
+
+ LockDisplay(dpy);
+
+ FlushGC(dpy, gc);
+
+ XvGetReq(PutImage, req);
+
+ req->port = port;
+ req->drawable = d;
+ req->gc = gc->gid;
+ req->id = image->id;
+ req->src_x = src_x;
+ req->src_y = src_y;
+ req->src_w = src_w;
+ req->src_h = src_h;
+ req->drw_x = dest_x;
+ req->drw_y = dest_y;
+ req->drw_w = dest_w;
+ req->drw_h = dest_h;
+ req->width = image->width;
+ req->height = image->height;
+
+ len = (image->data_size + 3) >> 2;
+ SetReqLen(req, len, len);
+
+ /* Yes it's kindof lame that we are sending the whole thing,
+ but for video all of it may be needed even if displaying
+ only a subsection, and I don't want to go through the
+ trouble of creating subregions to send */
+ Data(dpy, (char *)image->data, image->data_size);
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+ return Success;
+}
+
+int XvShmPutImage (
+ Display *dpy,
+ XvPortID port,
+ Drawable d,
+ GC gc,
+ XvImage *image,
+ int src_x,
+ int src_y,
+ unsigned int src_w,
+ unsigned int src_h,
+ int dest_x,
+ int dest_y,
+ unsigned int dest_w,
+ unsigned int dest_h,
+ Bool send_event
+){
+ XExtDisplayInfo *info = xv_find_display(dpy);
+ XShmSegmentInfo *shminfo = (XShmSegmentInfo *)image->obdata;
+ xvShmPutImageReq *req;
+
+ XvCheckExtension(dpy, info, XvBadExtension);
+
+ LockDisplay(dpy);
+
+ FlushGC(dpy, gc);
+
+ XvGetReq(ShmPutImage, req);
+
+ req->port = port;
+ req->drawable = d;
+ req->gc = gc->gid;
+ req->shmseg = shminfo->shmseg;
+ req->id = image->id;
+ req->src_x = src_x;
+ req->src_y = src_y;
+ req->src_w = src_w;
+ req->src_h = src_h;
+ req->drw_x = dest_x;
+ req->drw_y = dest_y;
+ req->drw_w = dest_w;
+ req->drw_h = dest_h;
+ req->offset = image->data - shminfo->shmaddr;
+ req->width = image->width;
+ req->height = image->height;
+ req->send_event = send_event;
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+ return Success;
+}
+
+
+static Bool
+xv_wire_to_event(Display *dpy, XEvent *host, xEvent *wire)
+{
+ XExtDisplayInfo *info = xv_find_display(dpy);
+ XvEvent *re = (XvEvent *)host;
+ xvEvent *event = (xvEvent *)wire;
+
+ XvCheckExtension(dpy, info, False);
+
+ switch((event->u.u.type & 0x7F) - info->codes->first_event)
+ {
+ case XvVideoNotify:
+ re->xvvideo.type = event->u.u.type & 0x7f;
+ re->xvvideo.serial =
+ _XSetLastRequestRead(dpy, (xGenericReply *)event);
+ re->xvvideo.send_event = ((event->u.u.type & 0x80) != 0);
+ re->xvvideo.display = dpy;
+ re->xvvideo.time = event->u.videoNotify.time;
+ re->xvvideo.reason = event->u.videoNotify.reason;
+ re->xvvideo.drawable = event->u.videoNotify.drawable;
+ re->xvvideo.port_id = event->u.videoNotify.port;
+ break;
+ case XvPortNotify:
+ re->xvport.type = event->u.u.type & 0x7f;
+ re->xvport.serial =
+ _XSetLastRequestRead(dpy, (xGenericReply *)event);
+ re->xvport.send_event = ((event->u.u.type & 0x80) != 0);
+ re->xvport.display = dpy;
+ re->xvport.time = event->u.portNotify.time;
+ re->xvport.port_id = event->u.portNotify.port;
+ re->xvport.attribute = event->u.portNotify.attribute;
+ re->xvport.value = event->u.portNotify.value;
+ break;
+ default:
+ return False;
+ }
+
+ return (True);
+}
+
+