mesa xserver pixman git update 25 nov 2011

1 files changed, 1016 insertions, 1015 deletions

diff --git a/xorg-server/hw/kdrive/ephyr/ephyrhostvideo.c b/xorg-server/hw/kdrive/ephyr/ephyrhostvideo.c
index 94feb7826..69ad8a517 100644
--- a/xorg-server/hw/kdrive/ephyr/ephyrhostvideo.c
+++ b/xorg-server/hw/kdrive/ephyr/ephyrhostvideo.c
@@ -1,1015 +1,1016 @@
-/*

- * Xephyr - A kdrive X server thats runs in a host X window.

- *          Authored by Matthew Allum <mallum@openedhand.com>

- * 

- * Copyright © 2007 OpenedHand Ltd 

- *

- * Permission to use, copy, modify, distribute, and sell this software and its

- * documentation for any purpose is hereby granted without fee, 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 name of OpenedHand Ltd not be used in

- * advertising or publicity pertaining to distribution of the software without

- * specific, written prior permission. OpenedHand Ltd makes no

- * representations about the suitability of this software for any purpose.  It

- * is provided "as is" without express or implied warranty.

- *

- * OpenedHand Ltd DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,

- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO

- * EVENT SHALL OpenedHand Ltd 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.

- *

- * Authors:

- *    Dodji Seketeli <dodji@openedhand.com>

- */

-#ifdef HAVE_CONFIG_H

-#include <kdrive-config.h>

-#endif

-/*

- * including some server headers (like kdrive-config.h)

- * might define the macro _XSERVER64

- * on 64 bits machines. That macro must _NOT_ be defined for Xlib

- * client code, otherwise bad things happen.

- * So let's undef that macro if necessary.

- */

-#ifdef _XSERVER64

-#undef _XSERVER64

-#endif

-#include <X11/Xutil.h>

-#include <X11/Xlibint.h>

-#include <X11/extensions/Xvlib.h>

-#include <X11/extensions/Xvproto.h>

-#include <X11/extensions/Xext.h>

-#include <X11/extensions/extutil.h>

-#define _HAVE_XALLOC_DECLS

-

-#include "hostx.h"

-#include "ephyrhostvideo.h"

-#include "ephyrlog.h"

-

-#ifndef TRUE

-#define TRUE 1

-#endif /*TRUE*/

-

-#ifndef FALSE

-#define FALSE 0

-#endif /*FALSE*/

-

-static XExtensionInfo _xv_info_data;

-static XExtensionInfo *xv_info = &_xv_info_data;

-static char *xv_extension_name = XvName;

-static char *xv_error_string(Display *dpy, int code, XExtCodes *codes,

-                             char * buf, int n);

-static int xv_close_display(Display *dpy, XExtCodes *codes);

-static Bool xv_wire_to_event(Display *dpy, XEvent *host, xEvent *wire);

-

-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  */

-};

-

-

-#define XvCheckExtension(dpy, i, val) \

-  XextCheckExtension(dpy, i, xv_extension_name, val)

-#define XvGetReq(name, req) \

-        WORD64ALIGN\

-        if ((dpy->bufptr + SIZEOF(xv##name##Req)) > dpy->bufmax)\

-                _XFlush(dpy);\

-        req = (xv##name##Req *)(dpy->last_req = dpy->bufptr);\

-        req->reqType = info->codes->major_opcode;\

-        req->xvReqType = xv_##name; \

-        req->length = (SIZEOF(xv##name##Req))>>2;\

-        dpy->bufptr += SIZEOF(xv##name##Req);\

-        dpy->request++

-

-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)

-

-struct _EphyrHostXVAdaptorArray {

-    XvAdaptorInfo *adaptors ;

-    unsigned int nb_adaptors ;

-};

-

-/*heavily copied from libx11*/

-#define BUFSIZE 2048

-static void

-ephyrHostXVLogXErrorEvent (Display *a_display,

-                           XErrorEvent *a_err_event,

-                           FILE *a_fp)

-{

-    char buffer[BUFSIZ];

-    char mesg[BUFSIZ];

-    char number[32];

-    const char *mtype = "XlibMessage";

-    register _XExtension *ext = (_XExtension *)NULL;

-    _XExtension *bext = (_XExtension *)NULL;

-    Display *dpy = a_display ;

-

-    XGetErrorText(dpy, a_err_event->error_code, buffer, BUFSIZ);

-    XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);

-    (void) fprintf(a_fp, "%s:  %s\n  ", mesg, buffer);

-    XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d",

-            mesg, BUFSIZ);

-    (void) fprintf(a_fp, mesg, a_err_event->request_code);

-    if (a_err_event->request_code < 128) {

-        sprintf(number, "%d", a_err_event->request_code);

-        XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);

-    } else {

-        for (ext = dpy->ext_procs;

-                ext && (ext->codes.major_opcode != a_err_event->request_code);

-                ext = ext->next)

-            ; 

-        if (ext)

-            strcpy(buffer, ext->name);

-        else

-            buffer[0] = '\0';

-    }

-    (void) fprintf(a_fp, " (%s)\n", buffer);

-    if (a_err_event->request_code >= 128) {

-        XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",

-                mesg, BUFSIZ);

-        fputs("  ", a_fp);

-        (void) fprintf(a_fp, mesg, a_err_event->minor_code);

-        if (ext) {

-            sprintf(mesg, "%s.%d", ext->name, a_err_event->minor_code);

-            XGetErrorDatabaseText(dpy, "XRequest", mesg, "", buffer, BUFSIZ);

-            (void) fprintf(a_fp, " (%s)", buffer);

-        }

-        fputs("\n", a_fp);

-    }

-    if (a_err_event->error_code >= 128) { 

-        /* kludge, try to find the extension that caused it */

-        buffer[0] = '\0';

-        for (ext = dpy->ext_procs; ext; ext = ext->next) {

-            if (ext->error_string)

-                (*ext->error_string)(dpy, a_err_event->error_code, &ext->codes,

-                        buffer, BUFSIZ);

-            if (buffer[0]) {

-                bext = ext;

-                break;

-            }

-            if (ext->codes.first_error &&

-                    ext->codes.first_error < (int)a_err_event->error_code &&

-                    (!bext || ext->codes.first_error > bext->codes.first_error))

-                bext = ext;

-        }

-        if (bext)

-            sprintf(buffer, "%s.%d", bext->name,

-                    a_err_event->error_code - bext->codes.first_error);

-        else

-            strcpy(buffer, "Value");

-        XGetErrorDatabaseText(dpy, mtype, buffer, "", mesg, BUFSIZ);

-        if (mesg[0]) {

-            fputs("  ", a_fp);

-            (void) fprintf(a_fp, mesg, a_err_event->resourceid);

-            fputs("\n", a_fp);

-        }

-        /* let extensions try to print the values */

-        for (ext = dpy->ext_procs; ext; ext = ext->next) {

-            if (ext->error_values)

-                (*ext->error_values)(dpy, a_err_event, a_fp);

-        }

-    } else if ((a_err_event->error_code == BadWindow) ||

-            (a_err_event->error_code == BadPixmap) ||

-            (a_err_event->error_code == BadCursor) ||

-            (a_err_event->error_code == BadFont) ||

-            (a_err_event->error_code == BadDrawable) ||

-            (a_err_event->error_code == BadColor) ||

-            (a_err_event->error_code == BadGC) ||

-            (a_err_event->error_code == BadIDChoice) ||

-            (a_err_event->error_code == BadValue) ||

-            (a_err_event->error_code == BadAtom)) {

-        if (a_err_event->error_code == BadValue)

-            XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",

-                    mesg, BUFSIZ);

-        else if (a_err_event->error_code == BadAtom)

-            XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",

-                    mesg, BUFSIZ);

-        else

-            XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",

-                    mesg, BUFSIZ);

-        fputs("  ", a_fp);

-        (void) fprintf(a_fp, mesg, a_err_event->resourceid);

-        fputs("\n", a_fp);

-    }

-    XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",

-            mesg, BUFSIZ);

-    fputs("  ", a_fp);

-    (void) fprintf(a_fp, mesg, a_err_event->serial);

-    XGetErrorDatabaseText(dpy, mtype, "CurrentSerial", "Current Serial #%d",

-            mesg, BUFSIZ);

-    fputs("\n  ", a_fp);

-    (void) fprintf(a_fp, mesg, dpy->request);

-    fputs("\n", a_fp);

-}

-

-static int

-ephyrHostXVErrorHandler (Display *a_display,

-                         XErrorEvent *a_error_event)

-{

-    EPHYR_LOG_ERROR ("got an error from the host xserver:\n") ;

-    ephyrHostXVLogXErrorEvent (a_display, a_error_event, stderr) ;

-    return Success ;

-}

-

-void

-ephyrHostXVInit (void)

-{

-    static Bool s_initialized ;

-

-    if (s_initialized)

-        return ;

-    XSetErrorHandler (ephyrHostXVErrorHandler) ;

-    s_initialized = TRUE ;

-}

-

-Bool

-ephyrHostXVQueryAdaptors (EphyrHostXVAdaptorArray **a_adaptors)

-{

-    EphyrHostXVAdaptorArray *result=NULL ;

-    int ret=0 ;

-    Bool is_ok=FALSE ;

-

-    EPHYR_RETURN_VAL_IF_FAIL (a_adaptors, FALSE) ;

-

-    EPHYR_LOG ("enter\n") ;

-

-    result = calloc (1, sizeof (EphyrHostXVAdaptorArray)) ;

-    if (!result)

-        goto out ;

-

-    ret = XvQueryAdaptors (hostx_get_display (),

-                           DefaultRootWindow (hostx_get_display ()),

-                           &result->nb_adaptors,

-                           &result->adaptors) ;

-    if (ret != Success) {

-        EPHYR_LOG_ERROR ("failed to query host adaptors: %d\n", ret) ;

-        goto out ;

-    }

-    *a_adaptors = result ;

-    is_ok = TRUE ;

-

-out:

-    EPHYR_LOG ("leave\n") ;

-    return is_ok ;

-}

-

-void

-ephyrHostXVAdaptorArrayDelete (EphyrHostXVAdaptorArray *a_adaptors)

-{

-    if (!a_adaptors)

-        return ;

-    if (a_adaptors->adaptors) {

-        XvFreeAdaptorInfo (a_adaptors->adaptors) ;

-        a_adaptors->adaptors = NULL ;

-        a_adaptors->nb_adaptors = 0 ;

-    }

-    XFree (a_adaptors) ;

-}

-

-int

-ephyrHostXVAdaptorArrayGetSize (const EphyrHostXVAdaptorArray *a_this)

-{

-    EPHYR_RETURN_VAL_IF_FAIL (a_this, -1) ;

-    return a_this->nb_adaptors ;

-}

-

-EphyrHostXVAdaptor*

-ephyrHostXVAdaptorArrayAt (const EphyrHostXVAdaptorArray *a_this,

-                           int a_index)

-{

-    EPHYR_RETURN_VAL_IF_FAIL (a_this, NULL) ;

-

-    if (a_index >= a_this->nb_adaptors)

-        return NULL ;

-    return (EphyrHostXVAdaptor*)&a_this->adaptors[a_index] ;

-}

-

-char

-ephyrHostXVAdaptorGetType (const EphyrHostXVAdaptor *a_this)

-{

-    EPHYR_RETURN_VAL_IF_FAIL (a_this, -1) ;

-    return ((XvAdaptorInfo*)a_this)->type ;

-}

-

-const char*

-ephyrHostXVAdaptorGetName (const EphyrHostXVAdaptor *a_this)

-{

-    EPHYR_RETURN_VAL_IF_FAIL (a_this, NULL) ;

-

-    return ((XvAdaptorInfo*)a_this)->name ;

-}

-

-EphyrHostVideoFormat*

-ephyrHostXVAdaptorGetVideoFormats (const EphyrHostXVAdaptor *a_this,

-                                   int *a_nb_formats)

-{

-    EphyrHostVideoFormat *formats=NULL ;

-    int nb_formats=0, i=0 ;

-    XVisualInfo *visual_info, visual_info_template ;

-    int nb_visual_info ;

-

-    EPHYR_RETURN_VAL_IF_FAIL (a_this, NULL) ;

-

-    nb_formats = ((XvAdaptorInfo*)a_this)->num_formats ;

-    formats = calloc (nb_formats, sizeof (EphyrHostVideoFormat)) ;

-    for (i=0; i < nb_formats; i++) {

-        memset (&visual_info_template, 0, sizeof (visual_info_template)) ;

-        visual_info_template.visualid =

-                            ((XvAdaptorInfo*)a_this)->formats[i].visual_id;

-        visual_info = XGetVisualInfo (hostx_get_display (),

-                                      VisualIDMask,

-                                      &visual_info_template,

-                                      &nb_visual_info) ;

-        formats[i].depth = ((XvAdaptorInfo*)a_this)->formats[i].depth ;

-        formats[i].visual_class = visual_info->class ;

-        XFree (visual_info) ;

-    }

-    if (a_nb_formats)

-        *a_nb_formats = nb_formats ;

-    return formats ;

-}

-

-int

-ephyrHostXVAdaptorGetNbPorts (const EphyrHostXVAdaptor *a_this)

-{

-    EPHYR_RETURN_VAL_IF_FAIL (a_this, -1) ;

-

-    return ((XvAdaptorInfo*)a_this)->num_ports ;

-}

-

-int

-ephyrHostXVAdaptorGetFirstPortID (const EphyrHostXVAdaptor *a_this)

-{

-    EPHYR_RETURN_VAL_IF_FAIL (a_this, -1) ;

-

-    return ((XvAdaptorInfo*)a_this)->base_id ;

-}

-

-Bool

-ephyrHostXVAdaptorHasPutVideo (const EphyrHostXVAdaptor *a_this,

-                               Bool *a_result)

-{

-    EPHYR_RETURN_VAL_IF_FAIL (a_this && a_result, FALSE) ;

-

-    if ((((XvAdaptorInfo*)a_this)->type & (XvVideoMask | XvInputMask)) ==

-		    (XvVideoMask | XvInputMask))

-        *a_result = TRUE ;

-    else

-        *a_result = FALSE ;

-    return TRUE ;

-}

-

-Bool

-ephyrHostXVAdaptorHasGetVideo (const EphyrHostXVAdaptor *a_this,

-                               Bool *a_result)

-{

-    if ((((XvAdaptorInfo*)a_this)->type & (XvVideoMask | XvOutputMask)) ==

-		    (XvVideoMask | XvOutputMask))

-        *a_result = TRUE ;

-    else

-        *a_result = FALSE ;

-    return TRUE ;

-}

-

-Bool

-ephyrHostXVAdaptorHasPutStill (const EphyrHostXVAdaptor *a_this,

-                               Bool *a_result)

-{

-    EPHYR_RETURN_VAL_IF_FAIL (a_this && a_result, FALSE) ;

-

-    if ((((XvAdaptorInfo*)a_this)->type & (XvStillMask | XvInputMask)) ==

-		    (XvStillMask | XvInputMask))

-        *a_result = TRUE ;

-    else

-        *a_result = FALSE ;

-    return TRUE ;

-}

-

-Bool

-ephyrHostXVAdaptorHasGetStill (const EphyrHostXVAdaptor *a_this,

-                               Bool *a_result)

-{

-    EPHYR_RETURN_VAL_IF_FAIL (a_this && a_result, FALSE) ;

-

-    if ((((XvAdaptorInfo*)a_this)->type & (XvStillMask | XvOutputMask)) ==

-		    (XvStillMask | XvOutputMask))

-        *a_result = TRUE ;

-    else

-        *a_result = FALSE ;

-    return TRUE ;

-}

-

-Bool

-ephyrHostXVAdaptorHasPutImage (const EphyrHostXVAdaptor *a_this,

-                               Bool *a_result)

-{

-    EPHYR_RETURN_VAL_IF_FAIL (a_this && a_result, FALSE) ;

-

-    if ((((XvAdaptorInfo*)a_this)->type & (XvImageMask | XvInputMask)) ==

-		    (XvImageMask | XvInputMask))

-        *a_result = TRUE ;

-    else

-        *a_result = FALSE ;

-    return TRUE ;

-}

-

-Bool

-ephyrHostXVQueryEncodings (int a_port_id,

-                           EphyrHostEncoding **a_encodings,

-                           unsigned int *a_num_encodings)

-{

-    EphyrHostEncoding *encodings=NULL ;

-    XvEncodingInfo *encoding_info=NULL ;

-    unsigned int num_encodings=0, i;

-    int ret=0 ;

-

-    EPHYR_RETURN_VAL_IF_FAIL (a_encodings && a_num_encodings, FALSE) ;

-

-    ret = XvQueryEncodings (hostx_get_display (),

-                            a_port_id,

-                            &num_encodings,

-                            &encoding_info) ;

-    if (num_encodings && encoding_info) {

-        encodings = calloc (num_encodings, sizeof (EphyrHostEncoding)) ;

-        for (i=0; i<num_encodings; i++) {

-            encodings[i].id = encoding_info[i].encoding_id ;

-            encodings[i].name = strdup (encoding_info[i].name) ;

-            encodings[i].width = encoding_info[i].width ;

-            encodings[i].height = encoding_info[i].height ;

-            encodings[i].rate.numerator = encoding_info[i].rate.numerator ;

-            encodings[i].rate.denominator = encoding_info[i].rate.denominator ;

-        }

-    }

-    if (encoding_info) {

-        XvFreeEncodingInfo (encoding_info) ;

-        encoding_info = NULL ;

-    }

-    *a_encodings = encodings ;

-    *a_num_encodings = num_encodings ;

-

-    if (ret != Success)

-        return FALSE ;

-    return TRUE ;

-}

-

-void

-ephyrHostEncodingsDelete (EphyrHostEncoding *a_encodings,

-                          int a_num_encodings)

-{

-    int i=0 ;

-

-    if (!a_encodings)

-        return ;

-    for (i=0; i < a_num_encodings; i++) {

-        free(a_encodings[i].name) ;

-        a_encodings[i].name = NULL ;

-    }

-    free(a_encodings) ;

-}

-

-void

-ephyrHostAttributesDelete (EphyrHostAttribute *a_attributes)

-{

-    if (!a_attributes)

-        return ;

-    XFree (a_attributes) ;

-}

-

-Bool

-ephyrHostXVQueryPortAttributes (int a_port_id,

-                                EphyrHostAttribute **a_attributes,

-                                int *a_num_attributes)

-{

-    EPHYR_RETURN_VAL_IF_FAIL (a_attributes && a_num_attributes, FALSE) ;

-

-    *a_attributes =

-        (EphyrHostAttribute*)XvQueryPortAttributes (hostx_get_display (),

-                                                    a_port_id,

-                                                    a_num_attributes);

-

-    return TRUE ;

-}

-

-Bool

-ephyrHostXVQueryImageFormats (int a_port_id,

-                              EphyrHostImageFormat **a_formats,

-                              int *a_num_format)

-{

-    XvImageFormatValues *result=NULL ;

-

-    EPHYR_RETURN_VAL_IF_FAIL (a_formats && a_num_format, FALSE) ;

-

-    result = XvListImageFormats (hostx_get_display (),

-                                 a_port_id,

-                                 a_num_format) ;

-    *a_formats = (EphyrHostImageFormat*) result ;

-    return TRUE ;

-

-}

-

-Bool

-ephyrHostXVSetPortAttribute (int a_port_id,

-                             int a_atom,

-                             int a_attr_value)

-{

-    int res=Success ;

-

-    EPHYR_LOG ("atom,name,value: (%d,%s,%d)\n",

-               a_atom,

-               XGetAtomName (hostx_get_display (), a_atom),

-               a_attr_value) ;

-

-    res = XvSetPortAttribute (hostx_get_display (),

-                              a_port_id,

-                              a_atom,

-                              a_attr_value) ;

-    if (res != Success) {

-        EPHYR_LOG_ERROR ("XvSetPortAttribute() failed: %d\n", res) ;

-        return FALSE ;

-    }

-    XFlush (hostx_get_display ()) ;

-    EPHYR_LOG ("leave\n") ;

-

-    return TRUE ;

-}

-

-Bool

-ephyrHostXVGetPortAttribute (int a_port_id,

-                             int a_atom,

-                             int *a_attr_value)

-{

-    int res=Success ;

-    Bool ret=FALSE ;

-

-    EPHYR_RETURN_VAL_IF_FAIL (a_attr_value, FALSE) ;

-

-    EPHYR_LOG ("enter, a_port_id: %d, a_atomid: %d, attr_name: %s\n",

-               a_port_id, a_atom, XGetAtomName (hostx_get_display (), a_atom)) ;

-

-    res = XvGetPortAttribute (hostx_get_display (),

-                              a_port_id,

-                              a_atom,

-                              a_attr_value) ;

-    if (res != Success) {

-        EPHYR_LOG_ERROR ("XvGetPortAttribute() failed: %d \n", res) ;

-        goto out ;

-    }

-    EPHYR_LOG ("atom,value: (%d, %d)\n", a_atom, *a_attr_value) ;

-

-    ret = TRUE ;

-

-out:

-    EPHYR_LOG ("leave\n") ;

-    return ret ;

-}

-

-Bool

-ephyrHostXVQueryBestSize (int a_port_id,

-                          Bool a_motion,

-                          unsigned int a_frame_w,

-                          unsigned int a_frame_h,

-                          unsigned int a_drw_w,

-                          unsigned int a_drw_h,

-                          unsigned int *a_actual_w,

-                          unsigned int *a_actual_h)

-{

-    int res=0 ;

-    Bool is_ok=FALSE ;

-

-    EPHYR_RETURN_VAL_IF_FAIL (a_actual_w && a_actual_h, FALSE) ;

-

-    EPHYR_LOG ("enter: frame (%dx%d), drw (%dx%d)\n",

-               a_frame_w, a_frame_h,

-               a_drw_w, a_drw_h) ;

-

-    res = XvQueryBestSize (hostx_get_display (),

-                           a_port_id,

-                           a_motion,

-                           a_frame_w, a_frame_h,

-                           a_drw_w, a_drw_h,

-                           a_actual_w, a_actual_h) ;

-    if (res != Success) {

-        EPHYR_LOG_ERROR ("XvQueryBestSize() failed: %d\n", res) ;

-        goto out ;

-    }

-    XSync (hostx_get_display (), FALSE) ;

-

-    EPHYR_LOG ("actual (%dx%d)\n", *a_actual_w, *a_actual_h) ;

-    is_ok = TRUE ;

-

-out:

-    EPHYR_LOG ("leave\n") ;

-    return is_ok ;

-}

-

-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 ;

-}

-

-Bool

-ephyrHostXVQueryImageAttributes (int a_port_id,

-                                 int a_image_id /*image fourcc code*/,

-                                 unsigned short *a_width,

-                                 unsigned short *a_height,

-                                 int *a_image_size,

-                                 int *a_pitches,

-                                 int *a_offsets)

-{

-    Display *dpy = hostx_get_display () ;

-    Bool ret=FALSE ;

-    XExtDisplayInfo *info = xv_find_display (dpy);

-    xvQueryImageAttributesReq *req=NULL;

-    xvQueryImageAttributesReply rep;

-

-    EPHYR_RETURN_VAL_IF_FAIL (a_width, FALSE) ;

-    EPHYR_RETURN_VAL_IF_FAIL (a_height, FALSE) ;

-    EPHYR_RETURN_VAL_IF_FAIL (a_image_size, FALSE) ;

-

-    XvCheckExtension (dpy, info, FALSE);

-

-    LockDisplay (dpy);

-

-    XvGetReq (QueryImageAttributes, req);

-    req->id = a_image_id;

-    req->port = a_port_id;

-    req->width = *a_width;

-    req->height = *a_height;

-    /*

-     * read the reply

-     */

-    if (!_XReply (dpy, (xReply *)&rep, 0, xFalse)) {

-        EPHYR_LOG_ERROR ("QeryImageAttribute req failed\n") ;

-        goto out ;

-    }

-    if (a_pitches && a_offsets) {

-        _XRead (dpy,

-                (char*)a_pitches,

-                rep.num_planes << 2);

-        _XRead (dpy,

-                (char*)a_offsets,

-                rep.num_planes << 2);

-    } else {

-        _XEatData(dpy, rep.length << 2);

-    }

-    *a_width = rep.width ;

-    *a_height = rep.height ;

-    *a_image_size = rep.data_size ;

-

-    ret = TRUE ;

-

-out:

-    UnlockDisplay (dpy) ;

-    SyncHandle ();

-    return ret ;

-}

-

-Bool

-ephyrHostGetAtom (const char* a_name,

-                  Bool a_create_if_not_exists,

-                  int *a_atom)

-{

-    int atom=None ;

-

-    EPHYR_RETURN_VAL_IF_FAIL (a_atom, FALSE) ;

-

-    atom = XInternAtom (hostx_get_display (), a_name, a_create_if_not_exists);

-    if (atom == None) {

-        return FALSE ;

-    }

-    *a_atom = atom ;

-    return TRUE ;

-}

-

-char*

-ephyrHostGetAtomName (int a_atom)

-{

-    return XGetAtomName (hostx_get_display (), a_atom) ;

-}

-

-void

-ephyrHostFree (void *a_pointer)

-{

-    if (a_pointer)

-        XFree (a_pointer) ;

-}

-

-Bool

-ephyrHostXVPutImage (int a_screen_num,

-                     int a_port_id,

-                     int a_image_id,

-                     int a_drw_x,

-                     int a_drw_y,

-                     int a_drw_w,

-                     int a_drw_h,

-                     int a_src_x,

-                     int a_src_y,

-                     int a_src_w,

-                     int a_src_h,

-                     int a_image_width,

-                     int a_image_height,

-                     unsigned char *a_buf,

-                     EphyrHostBox *a_clip_rects,

-                     int a_clip_rect_nums )

-{

-    Bool is_ok=TRUE ;

-    XvImage *xv_image=NULL ;

-    GC gc=0 ;

-    XGCValues gc_values;

-    Display *dpy = hostx_get_display () ;

-    XRectangle *rects=NULL ;

-    int res = 0 ;

-

-    EPHYR_RETURN_VAL_IF_FAIL (a_buf, FALSE) ;

-

-    EPHYR_LOG ("enter, num_clip_rects: %d\n", a_clip_rect_nums) ;

-

-    memset (&gc_values, 0, sizeof (gc_values)) ;

-    gc = XCreateGC (dpy, hostx_get_window (a_screen_num), 0L, &gc_values);

-    if (!gc) {

-        EPHYR_LOG_ERROR ("failed to create gc \n") ;

-        goto out ;

-    }

-    xv_image = (XvImage*) XvCreateImage (hostx_get_display (),

-                                         a_port_id, a_image_id,

-                                         NULL, a_image_width, a_image_height) ;

-    if (!xv_image) {

-        EPHYR_LOG_ERROR ("failed to create image\n") ;

-        goto out ;

-    }

-    xv_image->data = (char*)a_buf ;

-    if (a_clip_rect_nums) {

-        int i=0 ;

-        rects = calloc (a_clip_rect_nums, sizeof (XRectangle)) ;

-        for (i=0; i < a_clip_rect_nums; i++) {

-            rects[i].x = a_clip_rects[i].x1 ;

-            rects[i].y = a_clip_rects[i].y1 ;

-            rects[i].width = a_clip_rects[i].x2 - a_clip_rects[i].x1;

-            rects[i].height = a_clip_rects[i].y2 - a_clip_rects[i].y1;

-            EPHYR_LOG ("(x,y,w,h): (%d,%d,%d,%d)\n",

-                       rects[i].x, rects[i].y,

-                       rects[i].width, rects[i].height) ;

-        }

-        XSetClipRectangles (dpy, gc, 0, 0, rects, a_clip_rect_nums, YXBanded) ;

-        /*this always returns 1*/

-    }

-    res = XvPutImage (dpy, a_port_id,

-                      hostx_get_window (a_screen_num),

-                      gc, xv_image,

-                      a_src_x, a_src_y, a_src_w, a_src_h,

-                      a_drw_x, a_drw_y, a_drw_w, a_drw_h) ;

-    if (res != Success) {

-        EPHYR_LOG_ERROR ("XvPutImage() failed: %d\n", res) ;

-        goto out ;

-    }

-    is_ok = TRUE ;

-

-out:

-    if (xv_image) {

-        XFree (xv_image) ;

-        xv_image = NULL ;

-    }

-    if (gc) {

-        XFreeGC (dpy, gc) ;

-        gc = NULL ;

-    }

-    free(rects);

-    rects = NULL;

-    EPHYR_LOG ("leave\n") ;

-    return is_ok ;

-}

-

-Bool

-ephyrHostXVPutVideo (int a_screen_num, int a_port_id,

-                     int a_vid_x, int a_vid_y, int a_vid_w, int a_vid_h,

-                     int a_drw_x, int a_drw_y, int a_drw_w, int a_drw_h)

-{

-    Bool is_ok=FALSE ;

-    int res=FALSE ;

-    GC gc=0 ;

-    XGCValues gc_values;

-    Display *dpy=hostx_get_display () ;

-

-    EPHYR_RETURN_VAL_IF_FAIL (dpy, FALSE) ;

-

-    gc = XCreateGC (dpy, hostx_get_window (a_screen_num), 0L, &gc_values);

-    if (!gc) {

-        EPHYR_LOG_ERROR ("failed to create gc \n") ;

-        goto out ;

-    }

-    res = XvPutVideo (dpy, a_port_id, hostx_get_window (a_screen_num), gc,

-                      a_vid_x, a_vid_y, a_vid_w, a_vid_h,

-                      a_drw_x, a_drw_y, a_drw_w, a_drw_h) ;

-

-    if (res != Success) {

-        EPHYR_LOG_ERROR ("XvPutVideo() failed: %d\n", res) ;

-        goto out ;

-    }

-

-    is_ok = TRUE ;

-

-out:

-    if (gc) {

-        XFreeGC (dpy, gc) ;

-        gc = NULL ;

-    }

-    return is_ok ;

-}

-

-Bool

-ephyrHostXVGetVideo (int a_screen_num, int a_port_id,

-                     int a_vid_x, int a_vid_y, int a_vid_w, int a_vid_h,

-                     int a_drw_x, int a_drw_y, int a_drw_w, int a_drw_h)

-{

-    Bool is_ok=FALSE ;

-    int res=FALSE ;

-    GC gc=0 ;

-    XGCValues gc_values;

-    Display *dpy=hostx_get_display () ;

-

-    EPHYR_RETURN_VAL_IF_FAIL (dpy, FALSE) ;

-

-    gc = XCreateGC (dpy, hostx_get_window (a_screen_num), 0L, &gc_values);

-    if (!gc) {

-        EPHYR_LOG_ERROR ("failed to create gc \n") ;

-        goto out ;

-    }

-    res = XvGetVideo (dpy, a_port_id, hostx_get_window (a_screen_num), gc,

-                      a_vid_x, a_vid_y, a_vid_w, a_vid_h,

-                      a_drw_x, a_drw_y, a_drw_w, a_drw_h) ;

-

-    if (res != Success) {

-        EPHYR_LOG_ERROR ("XvGetVideo() failed: %d\n", res) ;

-        goto out ;

-    }

-

-    is_ok = TRUE ;

-

-out:

-    if (gc) {

-        XFreeGC (dpy, gc) ;

-        gc = NULL ;

-    }

-    return is_ok ;

-}

-

-Bool

-ephyrHostXVPutStill (int a_screen_num, int a_port_id,

-                     int a_vid_x, int a_vid_y, int a_vid_w, int a_vid_h,

-                     int a_drw_x, int a_drw_y, int a_drw_w, int a_drw_h)

-{

-    Bool is_ok=FALSE ;

-    int res=FALSE ;

-    GC gc=0 ;

-    XGCValues gc_values;

-    Display *dpy=hostx_get_display () ;

-

-    EPHYR_RETURN_VAL_IF_FAIL (dpy, FALSE) ;

-

-    gc = XCreateGC (dpy, hostx_get_window (a_screen_num), 0L, &gc_values);

-    if (!gc) {

-        EPHYR_LOG_ERROR ("failed to create gc \n") ;

-        goto out ;

-    }

-    res = XvPutStill (dpy, a_port_id, hostx_get_window (a_screen_num), gc,

-                      a_vid_x, a_vid_y, a_vid_w, a_vid_h,

-                      a_drw_x, a_drw_y, a_drw_w, a_drw_h) ;

-

-    if (res != Success) {

-        EPHYR_LOG_ERROR ("XvPutStill() failed: %d\n", res) ;

-        goto out ;

-    }

-

-    is_ok = TRUE ;

-

-out:

-    if (gc) {

-        XFreeGC (dpy, gc) ;

-        gc = NULL ;

-    }

-    return is_ok ;

-}

-

-Bool

-ephyrHostXVGetStill (int a_screen_num, int a_port_id,

-                     int a_vid_x, int a_vid_y, int a_vid_w, int a_vid_h,

-                     int a_drw_x, int a_drw_y, int a_drw_w, int a_drw_h)

-{

-    Bool is_ok=FALSE ;

-    int res=FALSE ;

-    GC gc=0 ;

-    XGCValues gc_values;

-    Display *dpy=hostx_get_display () ;

-

-    EPHYR_RETURN_VAL_IF_FAIL (dpy, FALSE) ;

-

-    gc = XCreateGC (dpy, hostx_get_window (a_screen_num), 0L, &gc_values);

-    if (!gc) {

-        EPHYR_LOG_ERROR ("failed to create gc \n") ;

-        goto out ;

-    }

-    res = XvGetStill (dpy, a_port_id, hostx_get_window (a_screen_num), gc,

-                      a_vid_x, a_vid_y, a_vid_w, a_vid_h,

-                      a_drw_x, a_drw_y, a_drw_w, a_drw_h) ;

-

-    if (res != Success) {

-        EPHYR_LOG_ERROR ("XvGetStill() failed: %d\n", res) ;

-        goto out ;

-    }

-

-    is_ok = TRUE ;

-

-out:

-    if (gc) {

-        XFreeGC (dpy, gc) ;

-        gc = NULL ;

-    }

-    return is_ok ;

-}

-

-Bool

-ephyrHostXVStopVideo (int a_screen_num, int a_port_id)

-{

-    int ret=0 ;

-    Bool is_ok=FALSE ;

-    Display *dpy = hostx_get_display () ;

-

-    EPHYR_RETURN_VAL_IF_FAIL (dpy, FALSE) ;

-

-    EPHYR_LOG ("enter\n") ;

-

-    ret = XvStopVideo (dpy, a_port_id, hostx_get_window (a_screen_num)) ;

-    if (ret != Success) {

-        EPHYR_LOG_ERROR ("XvStopVideo() failed: %d \n", ret) ;

-        goto out ;

-    }

-    is_ok = TRUE ;

-

-out:

-    EPHYR_LOG ("leave\n") ;

-    return is_ok ;

-}

-

+/*
+ * Xephyr - A kdrive X server thats runs in a host X window.
+ *          Authored by Matthew Allum <mallum@openedhand.com>
+ * 
+ * Copyright © 2007 OpenedHand Ltd 
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, 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 name of OpenedHand Ltd not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission. OpenedHand Ltd makes no
+ * representations about the suitability of this software for any purpose.  It
+ * is provided "as is" without express or implied warranty.
+ *
+ * OpenedHand Ltd DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL OpenedHand Ltd 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.
+ *
+ * Authors:
+ *    Dodji Seketeli <dodji@openedhand.com>
+ */
+#ifdef HAVE_CONFIG_H
+#include <kdrive-config.h>
+#endif
+/*
+ * including some server headers (like kdrive-config.h)
+ * might define the macro _XSERVER64
+ * on 64 bits machines. That macro must _NOT_ be defined for Xlib
+ * client code, otherwise bad things happen.
+ * So let's undef that macro if necessary.
+ */
+#ifdef _XSERVER64
+#undef _XSERVER64
+#endif
+#include <X11/Xutil.h>
+#include <X11/Xlibint.h>
+#include <X11/extensions/Xvlib.h>
+#include <X11/extensions/Xvproto.h>
+#include <X11/extensions/Xext.h>
+#include <X11/extensions/extutil.h>
+#define _HAVE_XALLOC_DECLS
+
+#include "hostx.h"
+#include "ephyrhostvideo.h"
+#include "ephyrlog.h"
+
+#ifndef TRUE
+#define TRUE 1
+#endif /*TRUE*/
+
+#ifndef FALSE
+#define FALSE 0
+#endif /*FALSE*/
+
+static XExtensionInfo _xv_info_data;
+static XExtensionInfo *xv_info = &_xv_info_data;
+static char *xv_extension_name = XvName;
+static char *xv_error_string(Display *dpy, int code, XExtCodes *codes,
+                             char * buf, int n);
+static int xv_close_display(Display *dpy, XExtCodes *codes);
+static Bool xv_wire_to_event(Display *dpy, XEvent *host, xEvent *wire);
+
+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  */
+};
+
+
+#define XvCheckExtension(dpy, i, val) \
+  XextCheckExtension(dpy, i, xv_extension_name, val)
+#define XvGetReq(name, req) \
+        WORD64ALIGN\
+        if ((dpy->bufptr + SIZEOF(xv##name##Req)) > dpy->bufmax)\
+                _XFlush(dpy);\
+        req = (xv##name##Req *)(dpy->last_req = dpy->bufptr);\
+        req->reqType = info->codes->major_opcode;\
+        req->xvReqType = xv_##name; \
+        req->length = (SIZEOF(xv##name##Req))>>2;\
+        dpy->bufptr += SIZEOF(xv##name##Req);\
+        dpy->request++
+
+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)
+
+struct _EphyrHostXVAdaptorArray {
+    XvAdaptorInfo *adaptors ;
+    unsigned int nb_adaptors ;
+};
+
+/*heavily copied from libx11*/
+#define BUFSIZE 2048
+static void
+ephyrHostXVLogXErrorEvent (Display *a_display,
+                           XErrorEvent *a_err_event,
+                           FILE *a_fp)
+{
+    char buffer[BUFSIZ];
+    char mesg[BUFSIZ];
+    char number[32];
+    const char *mtype = "XlibMessage";
+    register _XExtension *ext = (_XExtension *)NULL;
+    _XExtension *bext = (_XExtension *)NULL;
+    Display *dpy = a_display ;
+
+    XGetErrorText(dpy, a_err_event->error_code, buffer, BUFSIZ);
+    XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
+    (void) fprintf(a_fp, "%s:  %s\n  ", mesg, buffer);
+    XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d",
+            mesg, BUFSIZ);
+    (void) fprintf(a_fp, mesg, a_err_event->request_code);
+    if (a_err_event->request_code < 128) {
+        snprintf(number, sizeof(number), "%d", a_err_event->request_code);
+        XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
+    } else {
+        for (ext = dpy->ext_procs;
+                ext && (ext->codes.major_opcode != a_err_event->request_code);
+                ext = ext->next)
+            ; 
+        if (ext)
+            strcpy(buffer, ext->name);
+        else
+            buffer[0] = '\0';
+    }
+    (void) fprintf(a_fp, " (%s)\n", buffer);
+    if (a_err_event->request_code >= 128) {
+        XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
+                mesg, BUFSIZ);
+        fputs("  ", a_fp);
+        (void) fprintf(a_fp, mesg, a_err_event->minor_code);
+        if (ext) {
+            snprintf(mesg, sizeof(mesg), "%s.%d",
+                     ext->name, a_err_event->minor_code);
+            XGetErrorDatabaseText(dpy, "XRequest", mesg, "", buffer, BUFSIZ);
+            (void) fprintf(a_fp, " (%s)", buffer);
+        }
+        fputs("\n", a_fp);
+    }
+    if (a_err_event->error_code >= 128) { 
+        /* kludge, try to find the extension that caused it */
+        buffer[0] = '\0';
+        for (ext = dpy->ext_procs; ext; ext = ext->next) {
+            if (ext->error_string)
+                (*ext->error_string)(dpy, a_err_event->error_code, &ext->codes,
+                        buffer, BUFSIZ);
+            if (buffer[0]) {
+                bext = ext;
+                break;
+            }
+            if (ext->codes.first_error &&
+                    ext->codes.first_error < (int)a_err_event->error_code &&
+                    (!bext || ext->codes.first_error > bext->codes.first_error))
+                bext = ext;
+        }
+        if (bext)
+            snprintf(buffer, sizeof(buffer), "%s.%d", bext->name,
+                     a_err_event->error_code - bext->codes.first_error);
+        else
+            strcpy(buffer, "Value");
+        XGetErrorDatabaseText(dpy, mtype, buffer, "", mesg, BUFSIZ);
+        if (mesg[0]) {
+            fputs("  ", a_fp);
+            (void) fprintf(a_fp, mesg, a_err_event->resourceid);
+            fputs("\n", a_fp);
+        }
+        /* let extensions try to print the values */
+        for (ext = dpy->ext_procs; ext; ext = ext->next) {
+            if (ext->error_values)
+                (*ext->error_values)(dpy, a_err_event, a_fp);
+        }
+    } else if ((a_err_event->error_code == BadWindow) ||
+            (a_err_event->error_code == BadPixmap) ||
+            (a_err_event->error_code == BadCursor) ||
+            (a_err_event->error_code == BadFont) ||
+            (a_err_event->error_code == BadDrawable) ||
+            (a_err_event->error_code == BadColor) ||
+            (a_err_event->error_code == BadGC) ||
+            (a_err_event->error_code == BadIDChoice) ||
+            (a_err_event->error_code == BadValue) ||
+            (a_err_event->error_code == BadAtom)) {
+        if (a_err_event->error_code == BadValue)
+            XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
+                    mesg, BUFSIZ);
+        else if (a_err_event->error_code == BadAtom)
+            XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
+                    mesg, BUFSIZ);
+        else
+            XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
+                    mesg, BUFSIZ);
+        fputs("  ", a_fp);
+        (void) fprintf(a_fp, mesg, a_err_event->resourceid);
+        fputs("\n", a_fp);
+    }
+    XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
+            mesg, BUFSIZ);
+    fputs("  ", a_fp);
+    (void) fprintf(a_fp, mesg, a_err_event->serial);
+    XGetErrorDatabaseText(dpy, mtype, "CurrentSerial", "Current Serial #%d",
+            mesg, BUFSIZ);
+    fputs("\n  ", a_fp);
+    (void) fprintf(a_fp, mesg, dpy->request);
+    fputs("\n", a_fp);
+}
+
+static int
+ephyrHostXVErrorHandler (Display *a_display,
+                         XErrorEvent *a_error_event)
+{
+    EPHYR_LOG_ERROR ("got an error from the host xserver:\n") ;
+    ephyrHostXVLogXErrorEvent (a_display, a_error_event, stderr) ;
+    return Success ;
+}
+
+void
+ephyrHostXVInit (void)
+{
+    static Bool s_initialized ;
+
+    if (s_initialized)
+        return ;
+    XSetErrorHandler (ephyrHostXVErrorHandler) ;
+    s_initialized = TRUE ;
+}
+
+Bool
+ephyrHostXVQueryAdaptors (EphyrHostXVAdaptorArray **a_adaptors)
+{
+    EphyrHostXVAdaptorArray *result=NULL ;
+    int ret=0 ;
+    Bool is_ok=FALSE ;
+
+    EPHYR_RETURN_VAL_IF_FAIL (a_adaptors, FALSE) ;
+
+    EPHYR_LOG ("enter\n") ;
+
+    result = calloc (1, sizeof (EphyrHostXVAdaptorArray)) ;
+    if (!result)
+        goto out ;
+
+    ret = XvQueryAdaptors (hostx_get_display (),
+                           DefaultRootWindow (hostx_get_display ()),
+                           &result->nb_adaptors,
+                           &result->adaptors) ;
+    if (ret != Success) {
+        EPHYR_LOG_ERROR ("failed to query host adaptors: %d\n", ret) ;
+        goto out ;
+    }
+    *a_adaptors = result ;
+    is_ok = TRUE ;
+
+out:
+    EPHYR_LOG ("leave\n") ;
+    return is_ok ;
+}
+
+void
+ephyrHostXVAdaptorArrayDelete (EphyrHostXVAdaptorArray *a_adaptors)
+{
+    if (!a_adaptors)
+        return ;
+    if (a_adaptors->adaptors) {
+        XvFreeAdaptorInfo (a_adaptors->adaptors) ;
+        a_adaptors->adaptors = NULL ;
+        a_adaptors->nb_adaptors = 0 ;
+    }
+    XFree (a_adaptors) ;
+}
+
+int
+ephyrHostXVAdaptorArrayGetSize (const EphyrHostXVAdaptorArray *a_this)
+{
+    EPHYR_RETURN_VAL_IF_FAIL (a_this, -1) ;
+    return a_this->nb_adaptors ;
+}
+
+EphyrHostXVAdaptor*
+ephyrHostXVAdaptorArrayAt (const EphyrHostXVAdaptorArray *a_this,
+                           int a_index)
+{
+    EPHYR_RETURN_VAL_IF_FAIL (a_this, NULL) ;
+
+    if (a_index >= a_this->nb_adaptors)
+        return NULL ;
+    return (EphyrHostXVAdaptor*)&a_this->adaptors[a_index] ;
+}
+
+char
+ephyrHostXVAdaptorGetType (const EphyrHostXVAdaptor *a_this)
+{
+    EPHYR_RETURN_VAL_IF_FAIL (a_this, -1) ;
+    return ((XvAdaptorInfo*)a_this)->type ;
+}
+
+const char*
+ephyrHostXVAdaptorGetName (const EphyrHostXVAdaptor *a_this)
+{
+    EPHYR_RETURN_VAL_IF_FAIL (a_this, NULL) ;
+
+    return ((XvAdaptorInfo*)a_this)->name ;
+}
+
+EphyrHostVideoFormat*
+ephyrHostXVAdaptorGetVideoFormats (const EphyrHostXVAdaptor *a_this,
+                                   int *a_nb_formats)
+{
+    EphyrHostVideoFormat *formats=NULL ;
+    int nb_formats=0, i=0 ;
+    XVisualInfo *visual_info, visual_info_template ;
+    int nb_visual_info ;
+
+    EPHYR_RETURN_VAL_IF_FAIL (a_this, NULL) ;
+
+    nb_formats = ((XvAdaptorInfo*)a_this)->num_formats ;
+    formats = calloc (nb_formats, sizeof (EphyrHostVideoFormat)) ;
+    for (i=0; i < nb_formats; i++) {
+        memset (&visual_info_template, 0, sizeof (visual_info_template)) ;
+        visual_info_template.visualid =
+                            ((XvAdaptorInfo*)a_this)->formats[i].visual_id;
+        visual_info = XGetVisualInfo (hostx_get_display (),
+                                      VisualIDMask,
+                                      &visual_info_template,
+                                      &nb_visual_info) ;
+        formats[i].depth = ((XvAdaptorInfo*)a_this)->formats[i].depth ;
+        formats[i].visual_class = visual_info->class ;
+        XFree (visual_info) ;
+    }
+    if (a_nb_formats)
+        *a_nb_formats = nb_formats ;
+    return formats ;
+}
+
+int
+ephyrHostXVAdaptorGetNbPorts (const EphyrHostXVAdaptor *a_this)
+{
+    EPHYR_RETURN_VAL_IF_FAIL (a_this, -1) ;
+
+    return ((XvAdaptorInfo*)a_this)->num_ports ;
+}
+
+int
+ephyrHostXVAdaptorGetFirstPortID (const EphyrHostXVAdaptor *a_this)
+{
+    EPHYR_RETURN_VAL_IF_FAIL (a_this, -1) ;
+
+    return ((XvAdaptorInfo*)a_this)->base_id ;
+}
+
+Bool
+ephyrHostXVAdaptorHasPutVideo (const EphyrHostXVAdaptor *a_this,
+                               Bool *a_result)
+{
+    EPHYR_RETURN_VAL_IF_FAIL (a_this && a_result, FALSE) ;
+
+    if ((((XvAdaptorInfo*)a_this)->type & (XvVideoMask | XvInputMask)) ==
+		    (XvVideoMask | XvInputMask))
+        *a_result = TRUE ;
+    else
+        *a_result = FALSE ;
+    return TRUE ;
+}
+
+Bool
+ephyrHostXVAdaptorHasGetVideo (const EphyrHostXVAdaptor *a_this,
+                               Bool *a_result)
+{
+    if ((((XvAdaptorInfo*)a_this)->type & (XvVideoMask | XvOutputMask)) ==
+		    (XvVideoMask | XvOutputMask))
+        *a_result = TRUE ;
+    else
+        *a_result = FALSE ;
+    return TRUE ;
+}
+
+Bool
+ephyrHostXVAdaptorHasPutStill (const EphyrHostXVAdaptor *a_this,
+                               Bool *a_result)
+{
+    EPHYR_RETURN_VAL_IF_FAIL (a_this && a_result, FALSE) ;
+
+    if ((((XvAdaptorInfo*)a_this)->type & (XvStillMask | XvInputMask)) ==
+		    (XvStillMask | XvInputMask))
+        *a_result = TRUE ;
+    else
+        *a_result = FALSE ;
+    return TRUE ;
+}
+
+Bool
+ephyrHostXVAdaptorHasGetStill (const EphyrHostXVAdaptor *a_this,
+                               Bool *a_result)
+{
+    EPHYR_RETURN_VAL_IF_FAIL (a_this && a_result, FALSE) ;
+
+    if ((((XvAdaptorInfo*)a_this)->type & (XvStillMask | XvOutputMask)) ==
+		    (XvStillMask | XvOutputMask))
+        *a_result = TRUE ;
+    else
+        *a_result = FALSE ;
+    return TRUE ;
+}
+
+Bool
+ephyrHostXVAdaptorHasPutImage (const EphyrHostXVAdaptor *a_this,
+                               Bool *a_result)
+{
+    EPHYR_RETURN_VAL_IF_FAIL (a_this && a_result, FALSE) ;
+
+    if ((((XvAdaptorInfo*)a_this)->type & (XvImageMask | XvInputMask)) ==
+		    (XvImageMask | XvInputMask))
+        *a_result = TRUE ;
+    else
+        *a_result = FALSE ;
+    return TRUE ;
+}
+
+Bool
+ephyrHostXVQueryEncodings (int a_port_id,
+                           EphyrHostEncoding **a_encodings,
+                           unsigned int *a_num_encodings)
+{
+    EphyrHostEncoding *encodings=NULL ;
+    XvEncodingInfo *encoding_info=NULL ;
+    unsigned int num_encodings=0, i;
+    int ret=0 ;
+
+    EPHYR_RETURN_VAL_IF_FAIL (a_encodings && a_num_encodings, FALSE) ;
+
+    ret = XvQueryEncodings (hostx_get_display (),
+                            a_port_id,
+                            &num_encodings,
+                            &encoding_info) ;
+    if (num_encodings && encoding_info) {
+        encodings = calloc (num_encodings, sizeof (EphyrHostEncoding)) ;
+        for (i=0; i<num_encodings; i++) {
+            encodings[i].id = encoding_info[i].encoding_id ;
+            encodings[i].name = strdup (encoding_info[i].name) ;
+            encodings[i].width = encoding_info[i].width ;
+            encodings[i].height = encoding_info[i].height ;
+            encodings[i].rate.numerator = encoding_info[i].rate.numerator ;
+            encodings[i].rate.denominator = encoding_info[i].rate.denominator ;
+        }
+    }
+    if (encoding_info) {
+        XvFreeEncodingInfo (encoding_info) ;
+        encoding_info = NULL ;
+    }
+    *a_encodings = encodings ;
+    *a_num_encodings = num_encodings ;
+
+    if (ret != Success)
+        return FALSE ;
+    return TRUE ;
+}
+
+void
+ephyrHostEncodingsDelete (EphyrHostEncoding *a_encodings,
+                          int a_num_encodings)
+{
+    int i=0 ;
+
+    if (!a_encodings)
+        return ;
+    for (i=0; i < a_num_encodings; i++) {
+        free(a_encodings[i].name) ;
+        a_encodings[i].name = NULL ;
+    }
+    free(a_encodings) ;
+}
+
+void
+ephyrHostAttributesDelete (EphyrHostAttribute *a_attributes)
+{
+    if (!a_attributes)
+        return ;
+    XFree (a_attributes) ;
+}
+
+Bool
+ephyrHostXVQueryPortAttributes (int a_port_id,
+                                EphyrHostAttribute **a_attributes,
+                                int *a_num_attributes)
+{
+    EPHYR_RETURN_VAL_IF_FAIL (a_attributes && a_num_attributes, FALSE) ;
+
+    *a_attributes =
+        (EphyrHostAttribute*)XvQueryPortAttributes (hostx_get_display (),
+                                                    a_port_id,
+                                                    a_num_attributes);
+
+    return TRUE ;
+}
+
+Bool
+ephyrHostXVQueryImageFormats (int a_port_id,
+                              EphyrHostImageFormat **a_formats,
+                              int *a_num_format)
+{
+    XvImageFormatValues *result=NULL ;
+
+    EPHYR_RETURN_VAL_IF_FAIL (a_formats && a_num_format, FALSE) ;
+
+    result = XvListImageFormats (hostx_get_display (),
+                                 a_port_id,
+                                 a_num_format) ;
+    *a_formats = (EphyrHostImageFormat*) result ;
+    return TRUE ;
+
+}
+
+Bool
+ephyrHostXVSetPortAttribute (int a_port_id,
+                             int a_atom,
+                             int a_attr_value)
+{
+    int res=Success ;
+
+    EPHYR_LOG ("atom,name,value: (%d,%s,%d)\n",
+               a_atom,
+               XGetAtomName (hostx_get_display (), a_atom),
+               a_attr_value) ;
+
+    res = XvSetPortAttribute (hostx_get_display (),
+                              a_port_id,
+                              a_atom,
+                              a_attr_value) ;
+    if (res != Success) {
+        EPHYR_LOG_ERROR ("XvSetPortAttribute() failed: %d\n", res) ;
+        return FALSE ;
+    }
+    XFlush (hostx_get_display ()) ;
+    EPHYR_LOG ("leave\n") ;
+
+    return TRUE ;
+}
+
+Bool
+ephyrHostXVGetPortAttribute (int a_port_id,
+                             int a_atom,
+                             int *a_attr_value)
+{
+    int res=Success ;
+    Bool ret=FALSE ;
+
+    EPHYR_RETURN_VAL_IF_FAIL (a_attr_value, FALSE) ;
+
+    EPHYR_LOG ("enter, a_port_id: %d, a_atomid: %d, attr_name: %s\n",
+               a_port_id, a_atom, XGetAtomName (hostx_get_display (), a_atom)) ;
+
+    res = XvGetPortAttribute (hostx_get_display (),
+                              a_port_id,
+                              a_atom,
+                              a_attr_value) ;
+    if (res != Success) {
+        EPHYR_LOG_ERROR ("XvGetPortAttribute() failed: %d \n", res) ;
+        goto out ;
+    }
+    EPHYR_LOG ("atom,value: (%d, %d)\n", a_atom, *a_attr_value) ;
+
+    ret = TRUE ;
+
+out:
+    EPHYR_LOG ("leave\n") ;
+    return ret ;
+}
+
+Bool
+ephyrHostXVQueryBestSize (int a_port_id,
+                          Bool a_motion,
+                          unsigned int a_frame_w,
+                          unsigned int a_frame_h,
+                          unsigned int a_drw_w,
+                          unsigned int a_drw_h,
+                          unsigned int *a_actual_w,
+                          unsigned int *a_actual_h)
+{
+    int res=0 ;
+    Bool is_ok=FALSE ;
+
+    EPHYR_RETURN_VAL_IF_FAIL (a_actual_w && a_actual_h, FALSE) ;
+
+    EPHYR_LOG ("enter: frame (%dx%d), drw (%dx%d)\n",
+               a_frame_w, a_frame_h,
+               a_drw_w, a_drw_h) ;
+
+    res = XvQueryBestSize (hostx_get_display (),
+                           a_port_id,
+                           a_motion,
+                           a_frame_w, a_frame_h,
+                           a_drw_w, a_drw_h,
+                           a_actual_w, a_actual_h) ;
+    if (res != Success) {
+        EPHYR_LOG_ERROR ("XvQueryBestSize() failed: %d\n", res) ;
+        goto out ;
+    }
+    XSync (hostx_get_display (), FALSE) ;
+
+    EPHYR_LOG ("actual (%dx%d)\n", *a_actual_w, *a_actual_h) ;
+    is_ok = TRUE ;
+
+out:
+    EPHYR_LOG ("leave\n") ;
+    return is_ok ;
+}
+
+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 ;
+}
+
+Bool
+ephyrHostXVQueryImageAttributes (int a_port_id,
+                                 int a_image_id /*image fourcc code*/,
+                                 unsigned short *a_width,
+                                 unsigned short *a_height,
+                                 int *a_image_size,
+                                 int *a_pitches,
+                                 int *a_offsets)
+{
+    Display *dpy = hostx_get_display () ;
+    Bool ret=FALSE ;
+    XExtDisplayInfo *info = xv_find_display (dpy);
+    xvQueryImageAttributesReq *req=NULL;
+    xvQueryImageAttributesReply rep;
+
+    EPHYR_RETURN_VAL_IF_FAIL (a_width, FALSE) ;
+    EPHYR_RETURN_VAL_IF_FAIL (a_height, FALSE) ;
+    EPHYR_RETURN_VAL_IF_FAIL (a_image_size, FALSE) ;
+
+    XvCheckExtension (dpy, info, FALSE);
+
+    LockDisplay (dpy);
+
+    XvGetReq (QueryImageAttributes, req);
+    req->id = a_image_id;
+    req->port = a_port_id;
+    req->width = *a_width;
+    req->height = *a_height;
+    /*
+     * read the reply
+     */
+    if (!_XReply (dpy, (xReply *)&rep, 0, xFalse)) {
+        EPHYR_LOG_ERROR ("QeryImageAttribute req failed\n") ;
+        goto out ;
+    }
+    if (a_pitches && a_offsets) {
+        _XRead (dpy,
+                (char*)a_pitches,
+                rep.num_planes << 2);
+        _XRead (dpy,
+                (char*)a_offsets,
+                rep.num_planes << 2);
+    } else {
+        _XEatData(dpy, rep.length << 2);
+    }
+    *a_width = rep.width ;
+    *a_height = rep.height ;
+    *a_image_size = rep.data_size ;
+
+    ret = TRUE ;
+
+out:
+    UnlockDisplay (dpy) ;
+    SyncHandle ();
+    return ret ;
+}
+
+Bool
+ephyrHostGetAtom (const char* a_name,
+                  Bool a_create_if_not_exists,
+                  int *a_atom)
+{
+    int atom=None ;
+
+    EPHYR_RETURN_VAL_IF_FAIL (a_atom, FALSE) ;
+
+    atom = XInternAtom (hostx_get_display (), a_name, a_create_if_not_exists);
+    if (atom == None) {
+        return FALSE ;
+    }
+    *a_atom = atom ;
+    return TRUE ;
+}
+
+char*
+ephyrHostGetAtomName (int a_atom)
+{
+    return XGetAtomName (hostx_get_display (), a_atom) ;
+}
+
+void
+ephyrHostFree (void *a_pointer)
+{
+    if (a_pointer)
+        XFree (a_pointer) ;
+}
+
+Bool
+ephyrHostXVPutImage (int a_screen_num,
+                     int a_port_id,
+                     int a_image_id,
+                     int a_drw_x,
+                     int a_drw_y,
+                     int a_drw_w,
+                     int a_drw_h,
+                     int a_src_x,
+                     int a_src_y,
+                     int a_src_w,
+                     int a_src_h,
+                     int a_image_width,
+                     int a_image_height,
+                     unsigned char *a_buf,
+                     EphyrHostBox *a_clip_rects,
+                     int a_clip_rect_nums )
+{
+    Bool is_ok=TRUE ;
+    XvImage *xv_image=NULL ;
+    GC gc=0 ;
+    XGCValues gc_values;
+    Display *dpy = hostx_get_display () ;
+    XRectangle *rects=NULL ;
+    int res = 0 ;
+
+    EPHYR_RETURN_VAL_IF_FAIL (a_buf, FALSE) ;
+
+    EPHYR_LOG ("enter, num_clip_rects: %d\n", a_clip_rect_nums) ;
+
+    memset (&gc_values, 0, sizeof (gc_values)) ;
+    gc = XCreateGC (dpy, hostx_get_window (a_screen_num), 0L, &gc_values);
+    if (!gc) {
+        EPHYR_LOG_ERROR ("failed to create gc \n") ;
+        goto out ;
+    }
+    xv_image = (XvImage*) XvCreateImage (hostx_get_display (),
+                                         a_port_id, a_image_id,
+                                         NULL, a_image_width, a_image_height) ;
+    if (!xv_image) {
+        EPHYR_LOG_ERROR ("failed to create image\n") ;
+        goto out ;
+    }
+    xv_image->data = (char*)a_buf ;
+    if (a_clip_rect_nums) {
+        int i=0 ;
+        rects = calloc (a_clip_rect_nums, sizeof (XRectangle)) ;
+        for (i=0; i < a_clip_rect_nums; i++) {
+            rects[i].x = a_clip_rects[i].x1 ;
+            rects[i].y = a_clip_rects[i].y1 ;
+            rects[i].width = a_clip_rects[i].x2 - a_clip_rects[i].x1;
+            rects[i].height = a_clip_rects[i].y2 - a_clip_rects[i].y1;
+            EPHYR_LOG ("(x,y,w,h): (%d,%d,%d,%d)\n",
+                       rects[i].x, rects[i].y,
+                       rects[i].width, rects[i].height) ;
+        }
+        XSetClipRectangles (dpy, gc, 0, 0, rects, a_clip_rect_nums, YXBanded) ;
+        /*this always returns 1*/
+    }
+    res = XvPutImage (dpy, a_port_id,
+                      hostx_get_window (a_screen_num),
+                      gc, xv_image,
+                      a_src_x, a_src_y, a_src_w, a_src_h,
+                      a_drw_x, a_drw_y, a_drw_w, a_drw_h) ;
+    if (res != Success) {
+        EPHYR_LOG_ERROR ("XvPutImage() failed: %d\n", res) ;
+        goto out ;
+    }
+    is_ok = TRUE ;
+
+out:
+    if (xv_image) {
+        XFree (xv_image) ;
+        xv_image = NULL ;
+    }
+    if (gc) {
+        XFreeGC (dpy, gc) ;
+        gc = NULL ;
+    }
+    free(rects);
+    rects = NULL;
+    EPHYR_LOG ("leave\n") ;
+    return is_ok ;
+}
+
+Bool
+ephyrHostXVPutVideo (int a_screen_num, int a_port_id,
+                     int a_vid_x, int a_vid_y, int a_vid_w, int a_vid_h,
+                     int a_drw_x, int a_drw_y, int a_drw_w, int a_drw_h)
+{
+    Bool is_ok=FALSE ;
+    int res=FALSE ;
+    GC gc=0 ;
+    XGCValues gc_values;
+    Display *dpy=hostx_get_display () ;
+
+    EPHYR_RETURN_VAL_IF_FAIL (dpy, FALSE) ;
+
+    gc = XCreateGC (dpy, hostx_get_window (a_screen_num), 0L, &gc_values);
+    if (!gc) {
+        EPHYR_LOG_ERROR ("failed to create gc \n") ;
+        goto out ;
+    }
+    res = XvPutVideo (dpy, a_port_id, hostx_get_window (a_screen_num), gc,
+                      a_vid_x, a_vid_y, a_vid_w, a_vid_h,
+                      a_drw_x, a_drw_y, a_drw_w, a_drw_h) ;
+
+    if (res != Success) {
+        EPHYR_LOG_ERROR ("XvPutVideo() failed: %d\n", res) ;
+        goto out ;
+    }
+
+    is_ok = TRUE ;
+
+out:
+    if (gc) {
+        XFreeGC (dpy, gc) ;
+        gc = NULL ;
+    }
+    return is_ok ;
+}
+
+Bool
+ephyrHostXVGetVideo (int a_screen_num, int a_port_id,
+                     int a_vid_x, int a_vid_y, int a_vid_w, int a_vid_h,
+                     int a_drw_x, int a_drw_y, int a_drw_w, int a_drw_h)
+{
+    Bool is_ok=FALSE ;
+    int res=FALSE ;
+    GC gc=0 ;
+    XGCValues gc_values;
+    Display *dpy=hostx_get_display () ;
+
+    EPHYR_RETURN_VAL_IF_FAIL (dpy, FALSE) ;
+
+    gc = XCreateGC (dpy, hostx_get_window (a_screen_num), 0L, &gc_values);
+    if (!gc) {
+        EPHYR_LOG_ERROR ("failed to create gc \n") ;
+        goto out ;
+    }
+    res = XvGetVideo (dpy, a_port_id, hostx_get_window (a_screen_num), gc,
+                      a_vid_x, a_vid_y, a_vid_w, a_vid_h,
+                      a_drw_x, a_drw_y, a_drw_w, a_drw_h) ;
+
+    if (res != Success) {
+        EPHYR_LOG_ERROR ("XvGetVideo() failed: %d\n", res) ;
+        goto out ;
+    }
+
+    is_ok = TRUE ;
+
+out:
+    if (gc) {
+        XFreeGC (dpy, gc) ;
+        gc = NULL ;
+    }
+    return is_ok ;
+}
+
+Bool
+ephyrHostXVPutStill (int a_screen_num, int a_port_id,
+                     int a_vid_x, int a_vid_y, int a_vid_w, int a_vid_h,
+                     int a_drw_x, int a_drw_y, int a_drw_w, int a_drw_h)
+{
+    Bool is_ok=FALSE ;
+    int res=FALSE ;
+    GC gc=0 ;
+    XGCValues gc_values;
+    Display *dpy=hostx_get_display () ;
+
+    EPHYR_RETURN_VAL_IF_FAIL (dpy, FALSE) ;
+
+    gc = XCreateGC (dpy, hostx_get_window (a_screen_num), 0L, &gc_values);
+    if (!gc) {
+        EPHYR_LOG_ERROR ("failed to create gc \n") ;
+        goto out ;
+    }
+    res = XvPutStill (dpy, a_port_id, hostx_get_window (a_screen_num), gc,
+                      a_vid_x, a_vid_y, a_vid_w, a_vid_h,
+                      a_drw_x, a_drw_y, a_drw_w, a_drw_h) ;
+
+    if (res != Success) {
+        EPHYR_LOG_ERROR ("XvPutStill() failed: %d\n", res) ;
+        goto out ;
+    }
+
+    is_ok = TRUE ;
+
+out:
+    if (gc) {
+        XFreeGC (dpy, gc) ;
+        gc = NULL ;
+    }
+    return is_ok ;
+}
+
+Bool
+ephyrHostXVGetStill (int a_screen_num, int a_port_id,
+                     int a_vid_x, int a_vid_y, int a_vid_w, int a_vid_h,
+                     int a_drw_x, int a_drw_y, int a_drw_w, int a_drw_h)
+{
+    Bool is_ok=FALSE ;
+    int res=FALSE ;
+    GC gc=0 ;
+    XGCValues gc_values;
+    Display *dpy=hostx_get_display () ;
+
+    EPHYR_RETURN_VAL_IF_FAIL (dpy, FALSE) ;
+
+    gc = XCreateGC (dpy, hostx_get_window (a_screen_num), 0L, &gc_values);
+    if (!gc) {
+        EPHYR_LOG_ERROR ("failed to create gc \n") ;
+        goto out ;
+    }
+    res = XvGetStill (dpy, a_port_id, hostx_get_window (a_screen_num), gc,
+                      a_vid_x, a_vid_y, a_vid_w, a_vid_h,
+                      a_drw_x, a_drw_y, a_drw_w, a_drw_h) ;
+
+    if (res != Success) {
+        EPHYR_LOG_ERROR ("XvGetStill() failed: %d\n", res) ;
+        goto out ;
+    }
+
+    is_ok = TRUE ;
+
+out:
+    if (gc) {
+        XFreeGC (dpy, gc) ;
+        gc = NULL ;
+    }
+    return is_ok ;
+}
+
+Bool
+ephyrHostXVStopVideo (int a_screen_num, int a_port_id)
+{
+    int ret=0 ;
+    Bool is_ok=FALSE ;
+    Display *dpy = hostx_get_display () ;
+
+    EPHYR_RETURN_VAL_IF_FAIL (dpy, FALSE) ;
+
+    EPHYR_LOG ("enter\n") ;
+
+    ret = XvStopVideo (dpy, a_port_id, hostx_get_window (a_screen_num)) ;
+    if (ret != Success) {
+        EPHYR_LOG_ERROR ("XvStopVideo() failed: %d \n", ret) ;
+        goto out ;
+    }
+    is_ok = TRUE ;
+
+out:
+    EPHYR_LOG ("leave\n") ;
+    return is_ok ;
+}
+