libX11 xserver fontconfig mesa pixman xkbcomp xkeyboard-config git update

23 Mar 2012

1 files changed, 1218 insertions, 1273 deletions

diff --git a/xorg-server/hw/kdrive/ephyr/ephyrvideo.c b/xorg-server/hw/kdrive/ephyr/ephyrvideo.c
index 0fd1a63d4..67eadd121 100644
--- a/xorg-server/hw/kdrive/ephyr/ephyrvideo.c
+++ b/xorg-server/hw/kdrive/ephyr/ephyrvideo.c
@@ -1,1273 +1,1218 @@
-/*

- * 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

-#include <string.h>

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

-#include "ephyrlog.h"

-#include "kdrive.h"

-#include "kxv.h"

-#include "ephyr.h"

-#include "hostx.h"

-#include "ephyrhostvideo.h"

-

-struct _EphyrXVPriv {

-    EphyrHostXVAdaptorArray *host_adaptors ;

-    KdVideoAdaptorPtr adaptors ;

-    int num_adaptors ;

-};

-typedef struct _EphyrXVPriv EphyrXVPriv ;

-

-struct _EphyrPortPriv {

-    int port_number ;

-    KdVideoAdaptorPtr current_adaptor ;

-    EphyrXVPriv *xv_priv;

-    unsigned char *image_buf ;

-    int image_buf_size ;

-    int image_id ;

-    int drw_x, drw_y, drw_w, drw_h ;

-    int src_x, src_y, src_w, src_h ;

-    int image_width, image_height ;

-};

-typedef struct _EphyrPortPriv EphyrPortPriv ;

-

-static Bool DoSimpleClip (BoxPtr a_dst_drw,

-                          BoxPtr a_clipper,

-                          BoxPtr a_result) ;

-

-static Bool ephyrLocalAtomToHost (int a_local_atom, int *a_host_atom) ;

-

-/*

-static Bool ephyrHostAtomToLocal (int a_host_atom, int *a_local_atom) ;

-*/

-

-static EphyrXVPriv* ephyrXVPrivNew (void) ;

-static void ephyrXVPrivDelete (EphyrXVPriv *a_this) ;

-static Bool ephyrXVPrivQueryHostAdaptors (EphyrXVPriv *a_this) ;

-static Bool ephyrXVPrivSetAdaptorsHooks (EphyrXVPriv *a_this) ;

-static Bool ephyrXVPrivRegisterAdaptors (EphyrXVPriv *a_this,

-                                         ScreenPtr a_screen) ;

-

-static Bool ephyrXVPrivIsAttrValueValid (KdAttributePtr a_attrs,

-                                         int a_attrs_len,

-                                         const char *a_attr_name,

-                                         int a_attr_value,

-                                         Bool *a_is_valid) ;

-

-static Bool ephyrXVPrivGetImageBufSize (int a_port_id,

-                                        int a_image_id,

-                                        unsigned short a_width,

-                                        unsigned short a_height,

-                                        int *a_size) ;

-

-static Bool ephyrXVPrivSaveImageToPortPriv (EphyrPortPriv *a_port_priv,

-                                            const unsigned char *a_image,

-                                            int a_image_len) ;

-

-static void ephyrStopVideo (KdScreenInfo *a_info,

-                            pointer a_xv_priv,

-                            Bool a_exit);

-

-static int ephyrSetPortAttribute (KdScreenInfo *a_info,

-                                  Atom a_attr_name,

-                                  int a_attr_value,

-                                  pointer a_port_priv);

-

-static int ephyrGetPortAttribute (KdScreenInfo *a_screen_info,

-                                  Atom a_attr_name,

-                                  int *a_attr_value,

-                                  pointer a_port_priv);

-

-static void ephyrQueryBestSize (KdScreenInfo *a_info,

-                                Bool a_motion,

-                                short a_src_w,

-                                short a_src_h,

-                                short a_drw_w,

-                                short a_drw_h,

-                                unsigned int *a_prefered_w,

-                                unsigned int *a_prefered_h,

-                                pointer a_port_priv);

-

-static int ephyrPutImage (KdScreenInfo *a_info,

-                          DrawablePtr a_drawable,

-                          short a_src_x,

-                          short a_src_y,

-                          short a_drw_x,

-                          short a_drw_y,

-                          short a_src_w,

-                          short a_src_h,

-                          short a_drw_w,

-                          short a_drw_h,

-                          int a_id,

-                          unsigned char *a_buf,

-                          short a_width,

-                          short a_height,

-                          Bool a_sync,

-                          RegionPtr a_clipping_region,

-                          pointer a_port_priv);

-

-static int ephyrReputImage (KdScreenInfo *a_info,

-                            DrawablePtr a_drawable,

-                            short a_drw_x,

-                            short a_drw_y,

-                            RegionPtr a_clipping_region,

-                            pointer a_port_priv) ;

-

-static int ephyrPutVideo (KdScreenInfo *a_info,

-                          DrawablePtr a_drawable,

-                          short a_vid_x, short a_vid_y,

-                          short a_drw_x, short a_drw_y,

-                          short a_vid_w, short a_vid_h,

-                          short a_drw_w, short a_drw_h,

-                          RegionPtr a_clip_region,

-                          pointer a_port_priv) ;

-

-static int ephyrGetVideo (KdScreenInfo *a_info,

-                          DrawablePtr a_drawable,

-                          short a_vid_x, short a_vid_y,

-                          short a_drw_x, short a_drw_y,

-                          short a_vid_w, short a_vid_h,

-                          short a_drw_w, short a_drw_h,

-                          RegionPtr a_clip_region,

-                          pointer a_port_priv) ;

-

-static int ephyrPutStill (KdScreenInfo *a_info,

-                          DrawablePtr a_drawable,

-                          short a_vid_x, short a_vid_y,

-                          short a_drw_x, short a_drw_y,

-                          short a_vid_w, short a_vid_h,

-                          short a_drw_w, short a_drw_h,

-                          RegionPtr a_clip_region,

-                          pointer a_port_priv) ;

-

-static int ephyrGetStill (KdScreenInfo *a_info,

-                          DrawablePtr a_drawable,

-                          short a_vid_x, short a_vid_y,

-                          short a_drw_x, short a_drw_y,

-                          short a_vid_w, short a_vid_h,

-                          short a_drw_w, short a_drw_h,

-                          RegionPtr a_clip_region,

-                          pointer a_port_priv) ;

-

-static int ephyrQueryImageAttributes (KdScreenInfo *a_info,

-                                      int a_id,

-                                      unsigned short *a_w,

-                                      unsigned short *a_h,

-                                      int *a_pitches,

-                                      int *a_offsets);

-static int s_base_port_id ;

-

-/**************

- * <helpers>

- * ************/

-

-static Bool

-DoSimpleClip (BoxPtr a_dst_box,

-              BoxPtr a_clipper,

-              BoxPtr a_result)

-{

-    BoxRec dstClippedBox ;

-

-    EPHYR_RETURN_VAL_IF_FAIL (a_dst_box && a_clipper && a_result, FALSE) ;

-

-    /*

-     * setup the clipbox inside the destination.

-     */

-    dstClippedBox.x1 = a_dst_box->x1 ;

-    dstClippedBox.x2 = a_dst_box->x2 ;

-    dstClippedBox.y1 = a_dst_box->y1 ;

-    dstClippedBox.y2 = a_dst_box->y2 ;

-

-    /*

-     * if the cliper leftmost edge is inside

-     * the destination area then the leftmost edge of the resulting

-     * clipped box is the leftmost edge of the cliper.

-     */

-    if (a_clipper->x1 > dstClippedBox.x1)

-        dstClippedBox.x1 = a_clipper->x1 ;

-

-    /*

-     * if the cliper top edge is inside the destination area

-     * then the bottom horizontal edge of the resulting clipped box

-     * is the bottom edge of the cliper

-     */

-    if (a_clipper->y1 > dstClippedBox.y1)

-        dstClippedBox.y1 = a_clipper->y1 ;

-

-    /*ditto for right edge*/

-    if (a_clipper->x2 < dstClippedBox.x2)

-        dstClippedBox.x2 = a_clipper->x2 ;

-

-    /*ditto for bottom edge*/

-    if (a_clipper->y2 < dstClippedBox.y2)

-        dstClippedBox.y2 = a_clipper->y2 ;

-

-    memcpy (a_result, &dstClippedBox, sizeof (dstClippedBox)) ;

-    return TRUE ;

-}

-

-static Bool

-ephyrLocalAtomToHost (int a_local_atom, int *a_host_atom)

-{

-    const char *atom_name=NULL;

-    int host_atom=None ;

-

-    EPHYR_RETURN_VAL_IF_FAIL (a_host_atom, FALSE) ;

-

-    if (!ValidAtom (a_local_atom))

-        return FALSE ;

-

-    atom_name = NameForAtom (a_local_atom) ;

-

-    if (!atom_name)

-        return FALSE ;

-

-    if (!ephyrHostGetAtom (atom_name, FALSE, &host_atom) || host_atom == None) {

-        EPHYR_LOG_ERROR ("no atom for string %s defined in host X\n",

-                         atom_name) ;

-        return FALSE ;

-    }

-    *a_host_atom = host_atom ;

-    return TRUE ;

-}

-

-/*

- Not used yed.

-static Bool

-ephyrHostAtomToLocal (int a_host_atom, int *a_local_atom)

-{

-    Bool is_ok=FALSE ;

-    char *atom_name=NULL ;

-    int atom=None ;

-

-    EPHYR_RETURN_VAL_IF_FAIL (a_local_atom, FALSE) ;

-

-    atom_name = ephyrHostGetAtomName (a_host_atom) ;

-    if (!atom_name)

-        goto out ;

-

-    atom = MakeAtom (atom_name, strlen (atom_name), TRUE) ;

-    if (atom == None)

-        goto out ;

-

-    *a_local_atom = atom ;

-    is_ok = TRUE ;

-

-out:

-    if (atom_name) {

-        ephyrHostFree (atom_name) ;

-    }

-    return is_ok ;

-}

-*/

-

-/**************

- *</helpers>

- * ************/

-

-Bool

-ephyrInitVideo (ScreenPtr pScreen)

-{

-    Bool is_ok = FALSE ;

-    KdScreenPriv(pScreen);

-    KdScreenInfo *screen = pScreenPriv->screen;

-    static EphyrXVPriv *xv_priv;

-

-    EPHYR_LOG ("enter\n") ;

-

-    if (screen->fb.bitsPerPixel == 8) {

-        EPHYR_LOG_ERROR ("8 bits depth not supported\n") ;

-        return FALSE ;

-    }

-

-    if (!xv_priv) {

-        xv_priv = ephyrXVPrivNew () ;

-    }

-    if (!xv_priv) {

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

-        goto out ;

-    }

-

-    if (!ephyrXVPrivRegisterAdaptors (xv_priv, pScreen)) {

-        EPHYR_LOG_ERROR ("failed to register adaptors\n") ;

-        goto out ;

-    }

-    is_ok = TRUE ;

-

-out:

-    return is_ok ;

-}

-

-static EphyrXVPriv*

-ephyrXVPrivNew (void)

-{

-    EphyrXVPriv *xv_priv=NULL ;

-

-    EPHYR_LOG ("enter\n") ;

-

-    xv_priv = calloc(1, sizeof (EphyrXVPriv)) ;

-    if (!xv_priv) {

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

-        goto error ;

-    }

-

-    ephyrHostXVInit () ;

-

-    if (!ephyrXVPrivQueryHostAdaptors (xv_priv)) {

-        EPHYR_LOG_ERROR ("failed to query the host x for xv properties\n") ;

-        goto error ;

-    }

-    if (!ephyrXVPrivSetAdaptorsHooks (xv_priv)) {

-        EPHYR_LOG_ERROR ("failed to set xv_priv hooks\n") ;

-        goto error ;

-    }

-

-    EPHYR_LOG ("leave\n") ;

-    return xv_priv ;

-

-error:

-    if (xv_priv) {

-        ephyrXVPrivDelete (xv_priv) ;

-        xv_priv = NULL ;

-    }

-    return NULL ;

-}

-

-static void

-ephyrXVPrivDelete (EphyrXVPriv *a_this)

-{

-    EPHYR_LOG ("enter\n") ;

-

-    if (!a_this)

-        return ;

-    if (a_this->host_adaptors) {

-        ephyrHostXVAdaptorArrayDelete (a_this->host_adaptors) ;

-        a_this->host_adaptors = NULL ;

-    }

-    free(a_this->adaptors) ;

-    a_this->adaptors = NULL ;

-    free(a_this) ;

-    EPHYR_LOG ("leave\n") ;

-}

-

-static KdVideoEncodingPtr

-videoEncodingDup (EphyrHostEncoding *a_encodings,

-                   int a_num_encodings)

-{

-    KdVideoEncodingPtr result = NULL ;

-    int i=0 ;

-

-    EPHYR_RETURN_VAL_IF_FAIL (a_encodings && a_num_encodings, NULL) ;

-

-    result = calloc(a_num_encodings, sizeof (KdVideoEncodingRec)) ;

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

-        result[i].id = a_encodings[i].id ;

-        result[i].name = strdup (a_encodings[i].name) ;

-        result[i].width = a_encodings[i].width ;

-        result[i].height = a_encodings[i].height ;

-        result[i].rate.numerator = a_encodings[i].rate.numerator ;

-        result[i].rate.denominator = a_encodings[i].rate.denominator ;

-    }

-    return result ;

-}

-

-static KdAttributePtr

-portAttributesDup (EphyrHostAttribute *a_encodings,

-                   int a_num_encodings)

-{

-    int i=0 ;

-    KdAttributePtr result=NULL ;

-

-    EPHYR_RETURN_VAL_IF_FAIL (a_encodings && a_num_encodings, NULL) ;

-

-    result = calloc(a_num_encodings, sizeof (KdAttributeRec)) ;

-    if (!result) {

-        EPHYR_LOG_ERROR ("failed to allocate attributes\n") ;

-        return NULL ;

-    }

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

-        result[i].flags = a_encodings[i].flags ;

-        result[i].min_value = a_encodings[i].min_value ;

-        result[i].max_value = a_encodings[i].max_value ;

-        result[i].name = strdup (a_encodings[i].name) ;

-    }

-    return result ;

-}

-

-static Bool

-ephyrXVPrivQueryHostAdaptors (EphyrXVPriv *a_this)

-{

-    EphyrHostXVAdaptor *cur_host_adaptor=NULL ;

-    EphyrHostVideoFormat *video_formats=NULL ;

-    EphyrHostEncoding *encodings=NULL ;

-    EphyrHostAttribute *attributes=NULL ;

-    EphyrHostImageFormat *image_formats=NULL ;

-    int num_video_formats=0, base_port_id=0,

-        num_attributes=0, num_formats=0, i=0,

-        port_priv_offset=0;

-    unsigned num_encodings=0 ;

-    Bool is_ok = FALSE ;

-

-    EPHYR_RETURN_VAL_IF_FAIL (a_this, FALSE) ;

-

-    EPHYR_LOG ("enter\n") ;

-

-    if (!ephyrHostXVQueryAdaptors (&a_this->host_adaptors)) {

-        EPHYR_LOG_ERROR ("failed to query host adaptors\n") ;

-        goto out ;

-    }

-    if (a_this->host_adaptors)

-        a_this->num_adaptors =

-                    ephyrHostXVAdaptorArrayGetSize (a_this->host_adaptors) ;

-    if (a_this->num_adaptors < 0) {

-        EPHYR_LOG_ERROR ("failed to get number of host adaptors\n") ;

-        goto out ;

-    }

-    EPHYR_LOG ("host has %d adaptors\n", a_this->num_adaptors) ;

-    /*

-     * copy what we can from adaptors into a_this->adaptors

-     */

-    if (a_this->num_adaptors) {

-        a_this->adaptors = calloc(a_this->num_adaptors,

-                                    sizeof (KdVideoAdaptorRec)) ;

-        if (!a_this->adaptors) {

-            EPHYR_LOG_ERROR ("failed to create internal adaptors\n") ;

-            goto out ;

-        }

-    }

-    for (i=0; i < a_this->num_adaptors; i++) {

-        int j=0 ;

-        cur_host_adaptor =

-                   ephyrHostXVAdaptorArrayAt (a_this->host_adaptors, i) ;

-        if (!cur_host_adaptor)

-            continue ;

-        a_this->adaptors[i].nPorts =

-                            ephyrHostXVAdaptorGetNbPorts (cur_host_adaptor) ;

-        if (a_this->adaptors[i].nPorts <=0) {

-            EPHYR_LOG_ERROR ("Could not find any port of adaptor %d\n", i) ;

-            continue ;

-        }

-        a_this->adaptors[i].type =

-                        ephyrHostXVAdaptorGetType (cur_host_adaptor) ;

-        a_this->adaptors[i].type |= XvWindowMask ;

-        a_this->adaptors[i].flags =

-                        VIDEO_OVERLAID_IMAGES | VIDEO_CLIP_TO_VIEWPORT;

-        if (ephyrHostXVAdaptorGetName (cur_host_adaptor))

-            a_this->adaptors[i].name =

-                    strdup (ephyrHostXVAdaptorGetName (cur_host_adaptor)) ;

-        else

-            a_this->adaptors[i].name = strdup ("Xephyr Video Overlay");

-        base_port_id = ephyrHostXVAdaptorGetFirstPortID (cur_host_adaptor) ;

-        if (base_port_id < 0) {

-            EPHYR_LOG_ERROR ("failed to get port id for adaptor %d\n", i) ;

-            continue ;

-        }

-        if (!s_base_port_id)

-            s_base_port_id = base_port_id ;

-

-        if (!ephyrHostXVQueryEncodings (base_port_id,

-                                        &encodings,

-                                        &num_encodings)) {

-            EPHYR_LOG_ERROR ("failed to get encodings for port port id %d,"

-                             " adaptors %d\n",

-                             base_port_id, i) ;

-            continue ;

-        }

-        a_this->adaptors[i].nEncodings = num_encodings ;

-        a_this->adaptors[i].pEncodings =

-                            videoEncodingDup (encodings, num_encodings) ;

-        video_formats = (EphyrHostVideoFormat*)

-            ephyrHostXVAdaptorGetVideoFormats (cur_host_adaptor,

-                                               &num_video_formats);

-        a_this->adaptors[i].pFormats = (KdVideoFormatPtr) video_formats ;

-        a_this->adaptors[i].nFormats = num_video_formats ;

-        /* got a_this->adaptors[i].nPorts already

-        a_this->adaptors[i].nPorts =

-                            ephyrHostXVAdaptorGetNbPorts (cur_host_adaptor) ;

-        */

-        a_this->adaptors[i].pPortPrivates =

-                calloc(a_this->adaptors[i].nPorts,

-                         sizeof (DevUnion) + sizeof (EphyrPortPriv)) ;

-        port_priv_offset = a_this->adaptors[i].nPorts;

-        for (j=0; j < a_this->adaptors[i].nPorts; j++) {

-            EphyrPortPriv *port_privs_base =

-                    (EphyrPortPriv*)&a_this->adaptors[i].pPortPrivates[port_priv_offset];

-            EphyrPortPriv *port_priv = &port_privs_base[j] ;

-            port_priv->port_number = base_port_id + j;

-            port_priv->current_adaptor = &a_this->adaptors[i] ;

-            port_priv->xv_priv = a_this ;

-            a_this->adaptors[i].pPortPrivates[j].ptr = port_priv;

-        }

-        if (!ephyrHostXVQueryPortAttributes (base_port_id,

-                                             &attributes,

-                                             &num_attributes)) {

-            EPHYR_LOG_ERROR ("failed to get port attribute "

-                             "for adaptor %d\n", i) ;

-            continue ;

-        }

-        a_this->adaptors[i].pAttributes =

-                    portAttributesDup (attributes, num_attributes);

-        a_this->adaptors[i].nAttributes = num_attributes ;

-        /*make sure atoms of attrs names are created in xephyr*/

-        for (j=0; j < a_this->adaptors[i].nAttributes; j++) {

-            if (a_this->adaptors[i].pAttributes[j].name)

-                MakeAtom (a_this->adaptors[i].pAttributes[j].name,

-                          strlen (a_this->adaptors[i].pAttributes[j].name),

-                          TRUE) ;

-        }

-        if (!ephyrHostXVQueryImageFormats (base_port_id,

-                                           &image_formats,

-                                           &num_formats)) {

-            EPHYR_LOG_ERROR ("failed to get image formats "

-                             "for adaptor %d\n", i) ;

-            continue ;

-        }

-        a_this->adaptors[i].pImages = (KdImagePtr) image_formats ;

-        a_this->adaptors[i].nImages = num_formats ;

-    }

-    is_ok = TRUE ;

-

-out:

-    if (encodings) {

-        ephyrHostEncodingsDelete (encodings, num_encodings) ;

-        encodings = NULL ;

-    }

-    if (attributes) {

-        ephyrHostAttributesDelete (attributes) ;

-        attributes = NULL ;

-    }

-    EPHYR_LOG ("leave\n") ;

-    return is_ok ;

-}

-

-static Bool

-ephyrXVPrivSetAdaptorsHooks (EphyrXVPriv *a_this)

-{

-    int i=0 ;

-    Bool has_it=FALSE ;

-    EphyrHostXVAdaptor *cur_host_adaptor=NULL ;

-

-    EPHYR_RETURN_VAL_IF_FAIL (a_this, FALSE) ;

-

-    EPHYR_LOG ("enter\n") ;

-

-    for (i=0; i < a_this->num_adaptors; i++) {

-        a_this->adaptors[i].ReputImage = ephyrReputImage ;

-        a_this->adaptors[i].StopVideo = ephyrStopVideo ;

-        a_this->adaptors[i].SetPortAttribute = ephyrSetPortAttribute ;

-        a_this->adaptors[i].GetPortAttribute = ephyrGetPortAttribute ;

-        a_this->adaptors[i].QueryBestSize = ephyrQueryBestSize ;

-        a_this->adaptors[i].QueryImageAttributes = ephyrQueryImageAttributes ;

-

-        cur_host_adaptor =

-                   ephyrHostXVAdaptorArrayAt (a_this->host_adaptors, i) ;

-        if (!cur_host_adaptor) {

-            EPHYR_LOG_ERROR ("failed to get host adaptor at index %d\n", i) ;

-            continue ;

-        }

-        has_it = FALSE ;

-        if (!ephyrHostXVAdaptorHasPutImage (cur_host_adaptor, &has_it)) {

-            EPHYR_LOG_ERROR ("error\n") ;

-        }

-        if (has_it) {

-            a_this->adaptors[i].PutImage = ephyrPutImage;

-        }

-

-        has_it = FALSE ;

-        if (!ephyrHostXVAdaptorHasPutVideo (cur_host_adaptor, &has_it)) {

-            EPHYR_LOG_ERROR ("error\n") ;

-        }

-        if (has_it) {

-            a_this->adaptors[i].PutVideo = ephyrPutVideo;

-        }

-

-        has_it = FALSE ;

-        if (!ephyrHostXVAdaptorHasGetVideo (cur_host_adaptor, &has_it)) {

-            EPHYR_LOG_ERROR ("error\n") ;

-        }

-        if (has_it) {

-            a_this->adaptors[i].GetVideo = ephyrGetVideo;

-        }

-

-        has_it = FALSE ;

-        if (!ephyrHostXVAdaptorHasPutStill (cur_host_adaptor, &has_it)) {

-            EPHYR_LOG_ERROR ("error\n") ;

-        }

-        if (has_it) {

-            a_this->adaptors[i].PutStill = ephyrPutStill;

-        }

-

-        has_it = FALSE ;

-        if (!ephyrHostXVAdaptorHasGetStill (cur_host_adaptor, &has_it)) {

-            EPHYR_LOG_ERROR ("error\n") ;

-        }

-        if (has_it) {

-            a_this->adaptors[i].GetStill = ephyrGetStill;

-        }

-    }

-    EPHYR_LOG ("leave\n") ;

-    return TRUE ;

-}

-

-static Bool

-ephyrXVPrivRegisterAdaptors (EphyrXVPriv *a_this,

-                             ScreenPtr a_screen)

-{

-    KdScreenPriv(a_screen);

-    KdScreenInfo *screen = pScreenPriv->screen;

-    Bool is_ok = FALSE ;

-    KdVideoAdaptorPtr *adaptors=NULL, *registered_adaptors=NULL ;

-    int num_registered_adaptors=0, i=0, num_adaptors=0 ;

-

-    EPHYR_RETURN_VAL_IF_FAIL (a_this && a_screen, FALSE) ;

-

-    EPHYR_LOG ("enter\n") ;

-

-    if (!a_this->num_adaptors)

-        goto out ;

-    num_registered_adaptors =

-                KdXVListGenericAdaptors (screen, &registered_adaptors);

-

-    num_adaptors = num_registered_adaptors + a_this->num_adaptors ;

-    adaptors = calloc(num_adaptors, sizeof (KdVideoAdaptorPtr)) ;

-    if (!adaptors) {

-        EPHYR_LOG_ERROR ("failed to allocate adaptors tab\n") ;

-        goto out ;

-    }

-    memmove (adaptors, registered_adaptors, num_registered_adaptors) ;

-    for (i=0 ; i < a_this->num_adaptors; i++) {

-        *(adaptors + num_registered_adaptors + i) = &a_this->adaptors[i] ;

-    }

-    if (!KdXVScreenInit (a_screen, adaptors, num_adaptors)) {

-        EPHYR_LOG_ERROR ("failed to register adaptors\n");

-        goto out ;

-    }

-    EPHYR_LOG ("there are  %d registered adaptors\n", num_adaptors) ;

-    is_ok = TRUE ;

-

-out:

-    free(registered_adaptors) ;

-    registered_adaptors = NULL ;

-    free(adaptors) ;

-    adaptors = NULL ;

-

-    EPHYR_LOG ("leave\n") ;

-    return is_ok ;

-}

-

-static Bool

-ephyrXVPrivIsAttrValueValid (KdAttributePtr a_attrs,

-                             int a_attrs_len,

-                             const char *a_attr_name,

-                             int a_attr_value,

-                             Bool *a_is_valid)

-{

-    int i=0 ;

-

-    EPHYR_RETURN_VAL_IF_FAIL (a_attrs && a_attr_name && a_is_valid,

-                              FALSE) ;

-

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

-        if (a_attrs[i].name && strcmp (a_attrs[i].name, a_attr_name))

-            continue ;

-        if (a_attrs[i].min_value > a_attr_value ||

-            a_attrs[i].max_value < a_attr_value) {

-            *a_is_valid = FALSE ;

-            EPHYR_LOG_ERROR ("attribute was not valid\n"

-                             "value:%d. min:%d. max:%d\n",

-                             a_attr_value,

-                             a_attrs[i].min_value,

-                             a_attrs[i].max_value) ;

-        } else {

-            *a_is_valid = TRUE ;

-        }

-        return TRUE ;

-    }

-    return FALSE ;

-}

-

-static Bool

-ephyrXVPrivGetImageBufSize (int a_port_id,

-                            int a_image_id,

-                            unsigned short a_width,

-                            unsigned short a_height,

-                            int *a_size)

-{

-    Bool is_ok=FALSE ;

-    unsigned short width=a_width, height=a_height ;

-

-    EPHYR_RETURN_VAL_IF_FAIL (a_size, FALSE) ;

-

-    EPHYR_LOG ("enter\n") ;

-

-    if (!ephyrHostXVQueryImageAttributes (a_port_id, a_image_id,

-                                          &width, &height, a_size, NULL, NULL)) {

-        EPHYR_LOG_ERROR ("failed to get image attributes\n") ;

-        goto out ;

-    }

-    is_ok = TRUE ;

-

-out:

-    EPHYR_LOG ("leave\n") ;

-    return is_ok ;

-}

-

-static Bool

-ephyrXVPrivSaveImageToPortPriv (EphyrPortPriv *a_port_priv,

-                                const unsigned char *a_image_buf,

-                                int a_image_len)

-{

-    Bool is_ok=FALSE ;

-

-    EPHYR_LOG ("enter\n") ;

-

-    if (a_port_priv->image_buf_size < a_image_len) {

-        unsigned char *buf=NULL ;

-        buf = realloc (a_port_priv->image_buf, a_image_len) ;

-        if (!buf) {

-            EPHYR_LOG_ERROR ("failed to realloc image buffer\n") ;

-            goto out ;

-        }

-        a_port_priv->image_buf = buf ;

-        a_port_priv->image_buf_size = a_image_len;

-    }

-    memmove (a_port_priv->image_buf, a_image_buf, a_image_len) ;

-    is_ok = TRUE ;

-

-out:

-    return is_ok ;

-    EPHYR_LOG ("leave\n") ;

-}

-

-static void

-ephyrStopVideo (KdScreenInfo *a_info, pointer a_port_priv, Bool a_exit)

-{

-    EphyrPortPriv *port_priv = a_port_priv ;

-

-    EPHYR_RETURN_IF_FAIL (a_info && a_info->pScreen) ;

-    EPHYR_RETURN_IF_FAIL (port_priv) ;

-

-    EPHYR_LOG ("enter\n") ;

-    if (!ephyrHostXVStopVideo (a_info->pScreen->myNum,

-                               port_priv->port_number)) {

-        EPHYR_LOG_ERROR ("XvStopVideo() failed\n") ;

-    }

-    EPHYR_LOG ("leave\n") ;

-}

-

-static int

-ephyrSetPortAttribute (KdScreenInfo *a_info,

-                       Atom a_attr_name,

-                       int a_attr_value,

-                       pointer a_port_priv)

-{

-    int res=Success, host_atom=0 ;

-    EphyrPortPriv *port_priv = a_port_priv ;

-    Bool is_attr_valid=FALSE ;

-

-    EPHYR_RETURN_VAL_IF_FAIL (port_priv, BadMatch) ;

-    EPHYR_RETURN_VAL_IF_FAIL (port_priv->current_adaptor, BadMatch) ;

-    EPHYR_RETURN_VAL_IF_FAIL (port_priv->current_adaptor->pAttributes,

-                              BadMatch) ;

-    EPHYR_RETURN_VAL_IF_FAIL (port_priv->current_adaptor->nAttributes,

-                              BadMatch) ;

-    EPHYR_RETURN_VAL_IF_FAIL (ValidAtom (a_attr_name), BadMatch) ;

-

-    EPHYR_LOG ("enter, portnum:%d, atomid:%d, attr_name:%s, attr_val:%d\n",

-               port_priv->port_number,

-               (int)a_attr_name,

-               NameForAtom (a_attr_name),

-               a_attr_value) ;

-

-    if (!ephyrLocalAtomToHost (a_attr_name, &host_atom)) {

-        EPHYR_LOG_ERROR ("failed to convert local atom to host atom\n") ;

-        res = BadMatch ;

-        goto out ;

-    }

-

-    if (!ephyrXVPrivIsAttrValueValid (port_priv->current_adaptor->pAttributes,

-                                      port_priv->current_adaptor->nAttributes,

-                                      NameForAtom (a_attr_name),

-                                      a_attr_value,

-                                      &is_attr_valid)) {

-        EPHYR_LOG_ERROR ("failed to validate attribute %s\n",

-                         NameForAtom (a_attr_name)) ;

-        /*

-         res = BadMatch ;

-         goto out ;

-         */

-    }

-    if (!is_attr_valid) {

-        EPHYR_LOG_ERROR ("attribute %s is not valid\n",

-                         NameForAtom (a_attr_name)) ;

-        /*

-        res = BadMatch ;

-        goto out ;

-        */

-    }

-

-    if (!ephyrHostXVSetPortAttribute (port_priv->port_number,

-                                      host_atom,

-                                      a_attr_value)) {

-        EPHYR_LOG_ERROR ("failed to set port attribute\n") ;

-        res = BadMatch ;

-        goto out ;

-    }

-

-    res = Success ;

-out:

-    EPHYR_LOG ("leave\n") ;

-    return res ;

-}

-

-static int

-ephyrGetPortAttribute (KdScreenInfo *a_screen_info,

-                       Atom a_attr_name,

-                       int *a_attr_value,

-                       pointer a_port_priv)

-{

-    int res=Success, host_atom=0 ;

-    EphyrPortPriv *port_priv = a_port_priv ;

-

-    EPHYR_RETURN_VAL_IF_FAIL (port_priv, BadMatch) ;

-    EPHYR_RETURN_VAL_IF_FAIL (ValidAtom (a_attr_name), BadMatch) ;

-

-    EPHYR_LOG ("enter, portnum:%d, atomid:%d, attr_name:%s\n",

-               port_priv->port_number,

-               (int)a_attr_name,

-               NameForAtom (a_attr_name)) ;

-

-    if (!ephyrLocalAtomToHost (a_attr_name, &host_atom)) {

-        EPHYR_LOG_ERROR ("failed to convert local atom to host atom\n") ;

-        res = BadMatch ;

-        goto out ;

-    }

-

-    if (!ephyrHostXVGetPortAttribute (port_priv->port_number,

-                                      host_atom,

-                                      a_attr_value)) {

-        EPHYR_LOG_ERROR ("failed to get port attribute\n") ;

-        res = BadMatch ;

-        goto out ;

-    }

-

-    res = Success ;

-out:

-    EPHYR_LOG ("leave\n") ;

-    return res ;

-}

-

-static void

-ephyrQueryBestSize (KdScreenInfo *a_info,

-                    Bool a_motion,

-                    short a_src_w,

-                    short a_src_h,

-                    short a_drw_w,

-                    short a_drw_h,

-                    unsigned int *a_prefered_w,

-                    unsigned int *a_prefered_h,

-                    pointer a_port_priv)

-{

-    int res=0 ;

-    EphyrPortPriv *port_priv = a_port_priv ;

-

-    EPHYR_RETURN_IF_FAIL (port_priv) ;

-

-    EPHYR_LOG ("enter\n") ;

-    res = ephyrHostXVQueryBestSize (port_priv->port_number,

-                                    a_motion,

-                                    a_src_w, a_src_h,

-                                    a_drw_w, a_drw_h,

-                                    a_prefered_w, a_prefered_h) ;

-    if (!res) {

-        EPHYR_LOG_ERROR ("Failed to query best size\n") ;

-    }

-    EPHYR_LOG ("leave\n") ;

-}

-

-static int

-ephyrPutImage (KdScreenInfo *a_info,

-               DrawablePtr a_drawable,

-               short a_src_x,

-               short a_src_y,

-               short a_drw_x,

-               short a_drw_y,

-               short a_src_w,

-               short a_src_h,

-               short a_drw_w,

-               short a_drw_h,

-               int a_id,

-               unsigned char *a_buf,

-               short a_width,

-               short a_height,

-               Bool a_sync,

-               RegionPtr a_clipping_region,

-               pointer a_port_priv)

-{

-    EphyrPortPriv *port_priv = a_port_priv ;

-    Bool is_ok=FALSE ;

-    int result=BadImplementation, image_size=0 ;

-

-    EPHYR_RETURN_VAL_IF_FAIL (a_info && a_info->pScreen, BadValue) ;

-    EPHYR_RETURN_VAL_IF_FAIL (a_drawable, BadValue) ;

-

-    EPHYR_LOG ("enter\n") ;

-

-    if (!ephyrHostXVPutImage (a_info->pScreen->myNum,

-                              port_priv->port_number,

-                              a_id,

-                              a_drw_x, a_drw_y, a_drw_w, a_drw_h,

-                              a_src_x, a_src_y, a_src_w, a_src_h,

-                              a_width, a_height, a_buf,

-                              (EphyrHostBox*)RegionRects (a_clipping_region),

-                              RegionNumRects (a_clipping_region))) {

-        EPHYR_LOG_ERROR ("EphyrHostXVPutImage() failed\n") ;

-        goto out ;

-    }

-

-    /*

-     * Now save the image so that we can resend it to host it

-     * later, in ReputImage.

-     */

-    if (!ephyrXVPrivGetImageBufSize (port_priv->port_number,

-                                     a_id, a_width, a_height, &image_size)) {

-        EPHYR_LOG_ERROR ("failed to get image size\n") ;

-        /*this is a minor error so we won't get bail out abruptly*/

-        is_ok = FALSE ;

-    } else {

-        is_ok = TRUE ;

-    }

-    if (is_ok) {

-        if (!ephyrXVPrivSaveImageToPortPriv (port_priv, a_buf, image_size)) {

-            is_ok=FALSE ;

-        } else {

-            port_priv->image_id = a_id;

-            port_priv->drw_x = a_drw_x;

-            port_priv->drw_y = a_drw_y;

-            port_priv->drw_w = a_drw_w ;

-            port_priv->drw_h = a_drw_h ;

-            port_priv->src_x = a_src_x;

-            port_priv->src_y = a_src_y ;

-            port_priv->src_w = a_src_w ;

-            port_priv->src_h = a_src_h ;

-            port_priv->image_width = a_width ;

-            port_priv->image_height = a_height ;

-        }

-    }

-    if (!is_ok) {

-        if (port_priv->image_buf) {

-            free (port_priv->image_buf) ;

-            port_priv->image_buf = NULL ;

-            port_priv->image_buf_size = 0 ;

-        }

-    }

-

-    result = Success ;

-

-out:

-    EPHYR_LOG ("leave\n") ;

-    return result ;

-}

-

-static int

-ephyrReputImage (KdScreenInfo *a_info,

-                 DrawablePtr a_drawable,

-                 short a_drw_x,

-                 short a_drw_y,

-                 RegionPtr a_clipping_region,

-                 pointer a_port_priv)

-{

-    EphyrPortPriv *port_priv = a_port_priv ;

-    int result=BadImplementation ;

-

-    EPHYR_RETURN_VAL_IF_FAIL (a_info->pScreen, FALSE) ;

-    EPHYR_RETURN_VAL_IF_FAIL (a_drawable && port_priv, BadValue) ;

-

-    EPHYR_LOG ("enter\n") ;

-

-    if (!port_priv->image_buf_size || !port_priv->image_buf) {

-        EPHYR_LOG_ERROR ("has null image buf in cache\n") ;

-        goto out ;

-    }

-    if (!ephyrHostXVPutImage (a_info->pScreen->myNum,

-                              port_priv->port_number,

-                              port_priv->image_id,

-                              a_drw_x, a_drw_y,

-                              port_priv->drw_w, port_priv->drw_h,

-                              port_priv->src_x, port_priv->src_y,

-                              port_priv->src_w, port_priv->src_h,

-                              port_priv->image_width, port_priv->image_height,

-                              port_priv->image_buf,

-                              (EphyrHostBox*)RegionRects (a_clipping_region),

-                              RegionNumRects (a_clipping_region))) {

-        EPHYR_LOG_ERROR ("ephyrHostXVPutImage() failed\n") ;

-        goto out ;

-    }

-

-    result = Success ;

-

-out:

-    EPHYR_LOG ("leave\n") ;

-    return result ;

-}

-

-static int

-ephyrPutVideo (KdScreenInfo *a_info,

-               DrawablePtr a_drawable,

-               short a_vid_x, short a_vid_y,

-               short a_drw_x, short a_drw_y,

-               short a_vid_w, short a_vid_h,

-               short a_drw_w, short a_drw_h,

-               RegionPtr a_clipping_region,

-               pointer a_port_priv)

-{

-    EphyrPortPriv *port_priv = a_port_priv ;

-    BoxRec clipped_area, dst_box ;

-    int result=BadImplementation ;

-    int drw_x=0, drw_y=0, drw_w=0, drw_h=0 ;

-

-    EPHYR_RETURN_VAL_IF_FAIL (a_info->pScreen, BadValue) ;

-    EPHYR_RETURN_VAL_IF_FAIL (a_drawable && port_priv, BadValue) ;

-

-    EPHYR_LOG ("enter\n") ;

-

-    dst_box.x1 = a_drw_x ;

-    dst_box.x2 = a_drw_x + a_drw_w;

-    dst_box.y1 = a_drw_y ;

-    dst_box.y2 = a_drw_y + a_drw_h;

-

-    if (!DoSimpleClip (&dst_box,

-                       RegionExtents(a_clipping_region),

-                       &clipped_area)) {

-        EPHYR_LOG_ERROR ("failed to simple clip\n") ;

-        goto out ;

-    }

-

-    drw_x = clipped_area.x1 ;

-    drw_y = clipped_area.y1 ;

-    drw_w = clipped_area.x2 - clipped_area.x1 ;

-    drw_h = clipped_area.y2 - clipped_area.y1 ;

-

-    if (!ephyrHostXVPutVideo (a_info->pScreen->myNum,

-                              port_priv->port_number,

-                              a_vid_x, a_vid_y, a_vid_w, a_vid_h,

-                              a_drw_x, a_drw_y, a_drw_w, a_drw_h)) {

-        EPHYR_LOG_ERROR ("ephyrHostXVPutVideo() failed\n") ;

-        goto out ;

-    }

-    result = Success ;

-

-out:

-    EPHYR_LOG ("leave\n") ;

-    return result ;

-}

-

-static int

-ephyrGetVideo (KdScreenInfo *a_info,

-               DrawablePtr a_drawable,

-               short a_vid_x, short a_vid_y,

-               short a_drw_x, short a_drw_y,

-               short a_vid_w, short a_vid_h,

-               short a_drw_w, short a_drw_h,

-               RegionPtr a_clipping_region,

-               pointer a_port_priv)

-{

-    EphyrPortPriv *port_priv = a_port_priv ;

-    BoxRec clipped_area, dst_box ;

-    int result=BadImplementation ;

-    int drw_x=0, drw_y=0, drw_w=0, drw_h=0 ;

-

-    EPHYR_RETURN_VAL_IF_FAIL (a_info && a_info->pScreen, BadValue) ;

-    EPHYR_RETURN_VAL_IF_FAIL (a_drawable && port_priv, BadValue) ;

-

-    EPHYR_LOG ("enter\n") ;

-

-    dst_box.x1 = a_drw_x ;

-    dst_box.x2 = a_drw_x + a_drw_w;

-    dst_box.y1 = a_drw_y ;

-    dst_box.y2 = a_drw_y + a_drw_h;

-

-    if (!DoSimpleClip (&dst_box,

-                       RegionExtents(a_clipping_region),

-                       &clipped_area)) {

-        EPHYR_LOG_ERROR ("failed to simple clip\n") ;

-        goto out ;

-    }

-

-    drw_x = clipped_area.x1 ;

-    drw_y = clipped_area.y1 ;

-    drw_w = clipped_area.x2 - clipped_area.x1 ;

-    drw_h = clipped_area.y2 - clipped_area.y1 ;

-

-    if (!ephyrHostXVGetVideo (a_info->pScreen->myNum,

-                              port_priv->port_number,

-                              a_vid_x, a_vid_y, a_vid_w, a_vid_h,

-                              a_drw_x, a_drw_y, a_drw_w, a_drw_h)) {

-        EPHYR_LOG_ERROR ("ephyrHostXVGetVideo() failed\n") ;

-        goto out ;

-    }

-    result = Success ;

-

-out:

-    EPHYR_LOG ("leave\n") ;

-    return result ;

-}

-

-static int

-ephyrPutStill (KdScreenInfo *a_info,

-               DrawablePtr a_drawable,

-               short a_vid_x, short a_vid_y,

-               short a_drw_x, short a_drw_y,

-               short a_vid_w, short a_vid_h,

-               short a_drw_w, short a_drw_h,

-               RegionPtr a_clipping_region,

-               pointer a_port_priv)

-{

-    EphyrPortPriv *port_priv = a_port_priv ;

-    BoxRec clipped_area, dst_box ;

-    int result=BadImplementation ;

-    int drw_x=0, drw_y=0, drw_w=0, drw_h=0 ;

-

-    EPHYR_RETURN_VAL_IF_FAIL (a_info && a_info->pScreen, BadValue) ;

-    EPHYR_RETURN_VAL_IF_FAIL (a_drawable && port_priv, BadValue) ;

-

-    EPHYR_LOG ("enter\n") ;

-

-    dst_box.x1 = a_drw_x ;

-    dst_box.x2 = a_drw_x + a_drw_w;

-    dst_box.y1 = a_drw_y ;

-    dst_box.y2 = a_drw_y + a_drw_h;

-

-    if (!DoSimpleClip (&dst_box,

-                       RegionExtents(a_clipping_region),

-                       &clipped_area)) {

-        EPHYR_LOG_ERROR ("failed to simple clip\n") ;

-        goto out ;

-    }

-

-    drw_x = clipped_area.x1 ;

-    drw_y = clipped_area.y1 ;

-    drw_w = clipped_area.x2 - clipped_area.x1 ;

-    drw_h = clipped_area.y2 - clipped_area.y1 ;

-

-    if (!ephyrHostXVPutStill (a_info->pScreen->myNum,

-                              port_priv->port_number,

-                              a_vid_x, a_vid_y, a_vid_w, a_vid_h,

-                              a_drw_x, a_drw_y, a_drw_w, a_drw_h)) {

-        EPHYR_LOG_ERROR ("ephyrHostXVPutStill() failed\n") ;

-        goto out ;

-    }

-    result = Success ;

-

-out:

-    EPHYR_LOG ("leave\n") ;

-    return result ;

-}

-

-static int

-ephyrGetStill (KdScreenInfo *a_info,

-               DrawablePtr a_drawable,

-               short a_vid_x, short a_vid_y,

-               short a_drw_x, short a_drw_y,

-               short a_vid_w, short a_vid_h,

-               short a_drw_w, short a_drw_h,

-               RegionPtr a_clipping_region,

-               pointer a_port_priv)

-{

-    EphyrPortPriv *port_priv = a_port_priv ;

-    BoxRec clipped_area, dst_box ;

-    int result=BadImplementation ;

-    int drw_x=0, drw_y=0, drw_w=0, drw_h=0 ;

-

-    EPHYR_RETURN_VAL_IF_FAIL (a_info && a_info->pScreen, BadValue) ;

-    EPHYR_RETURN_VAL_IF_FAIL (a_drawable && port_priv, BadValue) ;

-

-    EPHYR_LOG ("enter\n") ;

-

-    dst_box.x1 = a_drw_x ;

-    dst_box.x2 = a_drw_x + a_drw_w;

-    dst_box.y1 = a_drw_y ;

-    dst_box.y2 = a_drw_y + a_drw_h;

-

-    if (!DoSimpleClip (&dst_box,

-                       RegionExtents(a_clipping_region),

-                       &clipped_area)) {

-        EPHYR_LOG_ERROR ("failed to simple clip\n") ;

-        goto out ;

-    }

-

-    drw_x = clipped_area.x1 ;

-    drw_y = clipped_area.y1 ;

-    drw_w = clipped_area.x2 - clipped_area.x1 ;

-    drw_h = clipped_area.y2 - clipped_area.y1 ;

-

-    if (!ephyrHostXVGetStill (a_info->pScreen->myNum,

-                              port_priv->port_number,

-                              a_vid_x, a_vid_y, a_vid_w, a_vid_h,

-                              a_drw_x, a_drw_y, a_drw_w, a_drw_h)) {

-        EPHYR_LOG_ERROR ("ephyrHostXVGetStill() failed\n") ;

-        goto out ;

-    }

-    result = Success ;

-

-out:

-    EPHYR_LOG ("leave\n") ;

-    return result ;

-}

-

-static int

-ephyrQueryImageAttributes (KdScreenInfo *a_info,

-                           int a_id,

-                           unsigned short *a_w,

-                           unsigned short *a_h,

-                           int *a_pitches,

-                           int *a_offsets)

-{

-    int image_size=0 ;

-

-    EPHYR_RETURN_VAL_IF_FAIL (a_w && a_h, FALSE) ;

-

-    EPHYR_LOG ("enter: dim (%dx%d), pitches: %p, offsets: %p\n",

-               *a_w, *a_h, a_pitches, a_offsets) ;

-

-   if (!ephyrHostXVQueryImageAttributes (s_base_port_id,

-                                         a_id,

-                                         a_w, a_h,

-                                         &image_size,

-                                         a_pitches, a_offsets)) {

-       EPHYR_LOG_ERROR ("EphyrHostXVQueryImageAttributes() failed\n") ;

-       goto out ;

-   }

-   EPHYR_LOG ("image size: %d, dim (%dx%d)\n", image_size, *a_w, *a_h) ;

-

-out:

-    EPHYR_LOG ("leave\n") ;

-    return image_size ;

-}

+/*
+ * 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
+#include <string.h>
+#include <X11/extensions/Xv.h>
+#include "ephyrlog.h"
+#include "kdrive.h"
+#include "kxv.h"
+#include "ephyr.h"
+#include "hostx.h"
+#include "ephyrhostvideo.h"
+
+struct _EphyrXVPriv {
+    EphyrHostXVAdaptorArray *host_adaptors;
+    KdVideoAdaptorPtr adaptors;
+    int num_adaptors;
+};
+typedef struct _EphyrXVPriv EphyrXVPriv;
+
+struct _EphyrPortPriv {
+    int port_number;
+    KdVideoAdaptorPtr current_adaptor;
+    EphyrXVPriv *xv_priv;
+    unsigned char *image_buf;
+    int image_buf_size;
+    int image_id;
+    int drw_x, drw_y, drw_w, drw_h;
+    int src_x, src_y, src_w, src_h;
+    int image_width, image_height;
+};
+typedef struct _EphyrPortPriv EphyrPortPriv;
+
+static Bool DoSimpleClip(BoxPtr a_dst_drw, BoxPtr a_clipper, BoxPtr a_result);
+
+static Bool ephyrLocalAtomToHost(int a_local_atom, int *a_host_atom);
+
+/*
+static Bool ephyrHostAtomToLocal (int a_host_atom, int *a_local_atom) ;
+*/
+
+static EphyrXVPriv *ephyrXVPrivNew(void);
+static void ephyrXVPrivDelete(EphyrXVPriv * a_this);
+static Bool ephyrXVPrivQueryHostAdaptors(EphyrXVPriv * a_this);
+static Bool ephyrXVPrivSetAdaptorsHooks(EphyrXVPriv * a_this);
+static Bool ephyrXVPrivRegisterAdaptors(EphyrXVPriv * a_this,
+                                        ScreenPtr a_screen);
+
+static Bool ephyrXVPrivIsAttrValueValid(KdAttributePtr a_attrs,
+                                        int a_attrs_len,
+                                        const char *a_attr_name,
+                                        int a_attr_value, Bool *a_is_valid);
+
+static Bool ephyrXVPrivGetImageBufSize(int a_port_id,
+                                       int a_image_id,
+                                       unsigned short a_width,
+                                       unsigned short a_height, int *a_size);
+
+static Bool ephyrXVPrivSaveImageToPortPriv(EphyrPortPriv * a_port_priv,
+                                           const unsigned char *a_image,
+                                           int a_image_len);
+
+static void ephyrStopVideo(KdScreenInfo * a_info,
+                           pointer a_xv_priv, Bool a_exit);
+
+static int ephyrSetPortAttribute(KdScreenInfo * a_info,
+                                 Atom a_attr_name,
+                                 int a_attr_value, pointer a_port_priv);
+
+static int ephyrGetPortAttribute(KdScreenInfo * a_screen_info,
+                                 Atom a_attr_name,
+                                 int *a_attr_value, pointer a_port_priv);
+
+static void ephyrQueryBestSize(KdScreenInfo * a_info,
+                               Bool a_motion,
+                               short a_src_w,
+                               short a_src_h,
+                               short a_drw_w,
+                               short a_drw_h,
+                               unsigned int *a_prefered_w,
+                               unsigned int *a_prefered_h, pointer a_port_priv);
+
+static int ephyrPutImage(KdScreenInfo * a_info,
+                         DrawablePtr a_drawable,
+                         short a_src_x,
+                         short a_src_y,
+                         short a_drw_x,
+                         short a_drw_y,
+                         short a_src_w,
+                         short a_src_h,
+                         short a_drw_w,
+                         short a_drw_h,
+                         int a_id,
+                         unsigned char *a_buf,
+                         short a_width,
+                         short a_height,
+                         Bool a_sync,
+                         RegionPtr a_clipping_region, pointer a_port_priv);
+
+static int ephyrReputImage(KdScreenInfo * a_info,
+                           DrawablePtr a_drawable,
+                           short a_drw_x,
+                           short a_drw_y,
+                           RegionPtr a_clipping_region, pointer a_port_priv);
+
+static int ephyrPutVideo(KdScreenInfo * a_info,
+                         DrawablePtr a_drawable,
+                         short a_vid_x, short a_vid_y,
+                         short a_drw_x, short a_drw_y,
+                         short a_vid_w, short a_vid_h,
+                         short a_drw_w, short a_drw_h,
+                         RegionPtr a_clip_region, pointer a_port_priv);
+
+static int ephyrGetVideo(KdScreenInfo * a_info,
+                         DrawablePtr a_drawable,
+                         short a_vid_x, short a_vid_y,
+                         short a_drw_x, short a_drw_y,
+                         short a_vid_w, short a_vid_h,
+                         short a_drw_w, short a_drw_h,
+                         RegionPtr a_clip_region, pointer a_port_priv);
+
+static int ephyrPutStill(KdScreenInfo * a_info,
+                         DrawablePtr a_drawable,
+                         short a_vid_x, short a_vid_y,
+                         short a_drw_x, short a_drw_y,
+                         short a_vid_w, short a_vid_h,
+                         short a_drw_w, short a_drw_h,
+                         RegionPtr a_clip_region, pointer a_port_priv);
+
+static int ephyrGetStill(KdScreenInfo * a_info,
+                         DrawablePtr a_drawable,
+                         short a_vid_x, short a_vid_y,
+                         short a_drw_x, short a_drw_y,
+                         short a_vid_w, short a_vid_h,
+                         short a_drw_w, short a_drw_h,
+                         RegionPtr a_clip_region, pointer a_port_priv);
+
+static int ephyrQueryImageAttributes(KdScreenInfo * a_info,
+                                     int a_id,
+                                     unsigned short *a_w,
+                                     unsigned short *a_h,
+                                     int *a_pitches, int *a_offsets);
+static int s_base_port_id;
+
+/**************
+ * <helpers>
+ * ************/
+
+static Bool
+DoSimpleClip(BoxPtr a_dst_box, BoxPtr a_clipper, BoxPtr a_result)
+{
+    BoxRec dstClippedBox;
+
+    EPHYR_RETURN_VAL_IF_FAIL(a_dst_box && a_clipper && a_result, FALSE);
+
+    /*
+     * setup the clipbox inside the destination.
+     */
+    dstClippedBox.x1 = a_dst_box->x1;
+    dstClippedBox.x2 = a_dst_box->x2;
+    dstClippedBox.y1 = a_dst_box->y1;
+    dstClippedBox.y2 = a_dst_box->y2;
+
+    /*
+     * if the cliper leftmost edge is inside
+     * the destination area then the leftmost edge of the resulting
+     * clipped box is the leftmost edge of the cliper.
+     */
+    if (a_clipper->x1 > dstClippedBox.x1)
+        dstClippedBox.x1 = a_clipper->x1;
+
+    /*
+     * if the cliper top edge is inside the destination area
+     * then the bottom horizontal edge of the resulting clipped box
+     * is the bottom edge of the cliper
+     */
+    if (a_clipper->y1 > dstClippedBox.y1)
+        dstClippedBox.y1 = a_clipper->y1;
+
+    /*ditto for right edge */
+    if (a_clipper->x2 < dstClippedBox.x2)
+        dstClippedBox.x2 = a_clipper->x2;
+
+    /*ditto for bottom edge */
+    if (a_clipper->y2 < dstClippedBox.y2)
+        dstClippedBox.y2 = a_clipper->y2;
+
+    memcpy(a_result, &dstClippedBox, sizeof(dstClippedBox));
+    return TRUE;
+}
+
+static Bool
+ephyrLocalAtomToHost(int a_local_atom, int *a_host_atom)
+{
+    const char *atom_name = NULL;
+    int host_atom = None;
+
+    EPHYR_RETURN_VAL_IF_FAIL(a_host_atom, FALSE);
+
+    if (!ValidAtom(a_local_atom))
+        return FALSE;
+
+    atom_name = NameForAtom(a_local_atom);
+
+    if (!atom_name)
+        return FALSE;
+
+    if (!ephyrHostGetAtom(atom_name, FALSE, &host_atom) || host_atom == None) {
+        EPHYR_LOG_ERROR("no atom for string %s defined in host X\n", atom_name);
+        return FALSE;
+    }
+    *a_host_atom = host_atom;
+    return TRUE;
+}
+
+/*
+ Not used yed.
+static Bool
+ephyrHostAtomToLocal (int a_host_atom, int *a_local_atom)
+{
+    Bool is_ok=FALSE ;
+    char *atom_name=NULL ;
+    int atom=None ;
+
+    EPHYR_RETURN_VAL_IF_FAIL (a_local_atom, FALSE) ;
+
+    atom_name = ephyrHostGetAtomName (a_host_atom) ;
+    if (!atom_name)
+        goto out ;
+
+    atom = MakeAtom (atom_name, strlen (atom_name), TRUE) ;
+    if (atom == None)
+        goto out ;
+
+    *a_local_atom = atom ;
+    is_ok = TRUE ;
+
+out:
+    if (atom_name) {
+        ephyrHostFree (atom_name) ;
+    }
+    return is_ok ;
+}
+*/
+
+/**************
+ *</helpers>
+ * ************/
+
+Bool
+ephyrInitVideo(ScreenPtr pScreen)
+{
+    Bool is_ok = FALSE;
+
+    KdScreenPriv(pScreen);
+    KdScreenInfo *screen = pScreenPriv->screen;
+    static EphyrXVPriv *xv_priv;
+
+    EPHYR_LOG("enter\n");
+
+    if (screen->fb.bitsPerPixel == 8) {
+        EPHYR_LOG_ERROR("8 bits depth not supported\n");
+        return FALSE;
+    }
+
+    if (!xv_priv) {
+        xv_priv = ephyrXVPrivNew();
+    }
+    if (!xv_priv) {
+        EPHYR_LOG_ERROR("failed to create xv_priv\n");
+        goto out;
+    }
+
+    if (!ephyrXVPrivRegisterAdaptors(xv_priv, pScreen)) {
+        EPHYR_LOG_ERROR("failed to register adaptors\n");
+        goto out;
+    }
+    is_ok = TRUE;
+
+ out:
+    return is_ok;
+}
+
+static EphyrXVPriv *
+ephyrXVPrivNew(void)
+{
+    EphyrXVPriv *xv_priv = NULL;
+
+    EPHYR_LOG("enter\n");
+
+    xv_priv = calloc(1, sizeof(EphyrXVPriv));
+    if (!xv_priv) {
+        EPHYR_LOG_ERROR("failed to create EphyrXVPriv\n");
+        goto error;
+    }
+
+    ephyrHostXVInit();
+
+    if (!ephyrXVPrivQueryHostAdaptors(xv_priv)) {
+        EPHYR_LOG_ERROR("failed to query the host x for xv properties\n");
+        goto error;
+    }
+    if (!ephyrXVPrivSetAdaptorsHooks(xv_priv)) {
+        EPHYR_LOG_ERROR("failed to set xv_priv hooks\n");
+        goto error;
+    }
+
+    EPHYR_LOG("leave\n");
+    return xv_priv;
+
+ error:
+    if (xv_priv) {
+        ephyrXVPrivDelete(xv_priv);
+        xv_priv = NULL;
+    }
+    return NULL;
+}
+
+static void
+ephyrXVPrivDelete(EphyrXVPriv * a_this)
+{
+    EPHYR_LOG("enter\n");
+
+    if (!a_this)
+        return;
+    if (a_this->host_adaptors) {
+        ephyrHostXVAdaptorArrayDelete(a_this->host_adaptors);
+        a_this->host_adaptors = NULL;
+    }
+    free(a_this->adaptors);
+    a_this->adaptors = NULL;
+    free(a_this);
+    EPHYR_LOG("leave\n");
+}
+
+static KdVideoEncodingPtr
+videoEncodingDup(EphyrHostEncoding * a_encodings, int a_num_encodings)
+{
+    KdVideoEncodingPtr result = NULL;
+    int i = 0;
+
+    EPHYR_RETURN_VAL_IF_FAIL(a_encodings && a_num_encodings, NULL);
+
+    result = calloc(a_num_encodings, sizeof(KdVideoEncodingRec));
+    for (i = 0; i < a_num_encodings; i++) {
+        result[i].id = a_encodings[i].id;
+        result[i].name = strdup(a_encodings[i].name);
+        result[i].width = a_encodings[i].width;
+        result[i].height = a_encodings[i].height;
+        result[i].rate.numerator = a_encodings[i].rate.numerator;
+        result[i].rate.denominator = a_encodings[i].rate.denominator;
+    }
+    return result;
+}
+
+static KdAttributePtr
+portAttributesDup(EphyrHostAttribute * a_encodings, int a_num_encodings)
+{
+    int i = 0;
+    KdAttributePtr result = NULL;
+
+    EPHYR_RETURN_VAL_IF_FAIL(a_encodings && a_num_encodings, NULL);
+
+    result = calloc(a_num_encodings, sizeof(KdAttributeRec));
+    if (!result) {
+        EPHYR_LOG_ERROR("failed to allocate attributes\n");
+        return NULL;
+    }
+    for (i = 0; i < a_num_encodings; i++) {
+        result[i].flags = a_encodings[i].flags;
+        result[i].min_value = a_encodings[i].min_value;
+        result[i].max_value = a_encodings[i].max_value;
+        result[i].name = strdup(a_encodings[i].name);
+    }
+    return result;
+}
+
+static Bool
+ephyrXVPrivQueryHostAdaptors(EphyrXVPriv * a_this)
+{
+    EphyrHostXVAdaptor *cur_host_adaptor = NULL;
+    EphyrHostVideoFormat *video_formats = NULL;
+    EphyrHostEncoding *encodings = NULL;
+    EphyrHostAttribute *attributes = NULL;
+    EphyrHostImageFormat *image_formats = NULL;
+    int num_video_formats = 0, base_port_id = 0,
+        num_attributes = 0, num_formats = 0, i = 0, port_priv_offset = 0;
+    unsigned num_encodings = 0;
+    Bool is_ok = FALSE;
+
+    EPHYR_RETURN_VAL_IF_FAIL(a_this, FALSE);
+
+    EPHYR_LOG("enter\n");
+
+    if (!ephyrHostXVQueryAdaptors(&a_this->host_adaptors)) {
+        EPHYR_LOG_ERROR("failed to query host adaptors\n");
+        goto out;
+    }
+    if (a_this->host_adaptors)
+        a_this->num_adaptors =
+            ephyrHostXVAdaptorArrayGetSize(a_this->host_adaptors);
+    if (a_this->num_adaptors < 0) {
+        EPHYR_LOG_ERROR("failed to get number of host adaptors\n");
+        goto out;
+    }
+    EPHYR_LOG("host has %d adaptors\n", a_this->num_adaptors);
+    /*
+     * copy what we can from adaptors into a_this->adaptors
+     */
+    if (a_this->num_adaptors) {
+        a_this->adaptors = calloc(a_this->num_adaptors,
+                                  sizeof(KdVideoAdaptorRec));
+        if (!a_this->adaptors) {
+            EPHYR_LOG_ERROR("failed to create internal adaptors\n");
+            goto out;
+        }
+    }
+    for (i = 0; i < a_this->num_adaptors; i++) {
+        int j = 0;
+
+        cur_host_adaptor = ephyrHostXVAdaptorArrayAt(a_this->host_adaptors, i);
+        if (!cur_host_adaptor)
+            continue;
+        a_this->adaptors[i].nPorts =
+            ephyrHostXVAdaptorGetNbPorts(cur_host_adaptor);
+        if (a_this->adaptors[i].nPorts <= 0) {
+            EPHYR_LOG_ERROR("Could not find any port of adaptor %d\n", i);
+            continue;
+        }
+        a_this->adaptors[i].type = ephyrHostXVAdaptorGetType(cur_host_adaptor);
+        a_this->adaptors[i].type |= XvWindowMask;
+        a_this->adaptors[i].flags =
+            VIDEO_OVERLAID_IMAGES | VIDEO_CLIP_TO_VIEWPORT;
+        if (ephyrHostXVAdaptorGetName(cur_host_adaptor))
+            a_this->adaptors[i].name =
+                strdup(ephyrHostXVAdaptorGetName(cur_host_adaptor));
+        else
+            a_this->adaptors[i].name = strdup("Xephyr Video Overlay");
+        base_port_id = ephyrHostXVAdaptorGetFirstPortID(cur_host_adaptor);
+        if (base_port_id < 0) {
+            EPHYR_LOG_ERROR("failed to get port id for adaptor %d\n", i);
+            continue;
+        }
+        if (!s_base_port_id)
+            s_base_port_id = base_port_id;
+
+        if (!ephyrHostXVQueryEncodings(base_port_id,
+                                       &encodings, &num_encodings)) {
+            EPHYR_LOG_ERROR("failed to get encodings for port port id %d,"
+                            " adaptors %d\n", base_port_id, i);
+            continue;
+        }
+        a_this->adaptors[i].nEncodings = num_encodings;
+        a_this->adaptors[i].pEncodings =
+            videoEncodingDup(encodings, num_encodings);
+        video_formats = (EphyrHostVideoFormat *)
+            ephyrHostXVAdaptorGetVideoFormats(cur_host_adaptor,
+                                              &num_video_formats);
+        a_this->adaptors[i].pFormats = (KdVideoFormatPtr) video_formats;
+        a_this->adaptors[i].nFormats = num_video_formats;
+        /* got a_this->adaptors[i].nPorts already
+           a_this->adaptors[i].nPorts =
+           ephyrHostXVAdaptorGetNbPorts (cur_host_adaptor) ;
+         */
+        a_this->adaptors[i].pPortPrivates =
+            calloc(a_this->adaptors[i].nPorts,
+                   sizeof(DevUnion) + sizeof(EphyrPortPriv));
+        port_priv_offset = a_this->adaptors[i].nPorts;
+        for (j = 0; j < a_this->adaptors[i].nPorts; j++) {
+            EphyrPortPriv *port_privs_base =
+                (EphyrPortPriv *) & a_this->adaptors[i].
+                pPortPrivates[port_priv_offset];
+            EphyrPortPriv *port_priv = &port_privs_base[j];
+
+            port_priv->port_number = base_port_id + j;
+            port_priv->current_adaptor = &a_this->adaptors[i];
+            port_priv->xv_priv = a_this;
+            a_this->adaptors[i].pPortPrivates[j].ptr = port_priv;
+        }
+        if (!ephyrHostXVQueryPortAttributes(base_port_id,
+                                            &attributes, &num_attributes)) {
+            EPHYR_LOG_ERROR("failed to get port attribute "
+                            "for adaptor %d\n", i);
+            continue;
+        }
+        a_this->adaptors[i].pAttributes =
+            portAttributesDup(attributes, num_attributes);
+        a_this->adaptors[i].nAttributes = num_attributes;
+        /*make sure atoms of attrs names are created in xephyr */
+        for (j = 0; j < a_this->adaptors[i].nAttributes; j++) {
+            if (a_this->adaptors[i].pAttributes[j].name)
+                MakeAtom(a_this->adaptors[i].pAttributes[j].name,
+                         strlen(a_this->adaptors[i].pAttributes[j].name), TRUE);
+        }
+        if (!ephyrHostXVQueryImageFormats(base_port_id,
+                                          &image_formats, &num_formats)) {
+            EPHYR_LOG_ERROR("failed to get image formats "
+                            "for adaptor %d\n", i);
+            continue;
+        }
+        a_this->adaptors[i].pImages = (KdImagePtr) image_formats;
+        a_this->adaptors[i].nImages = num_formats;
+    }
+    is_ok = TRUE;
+
+ out:
+    if (encodings) {
+        ephyrHostEncodingsDelete(encodings, num_encodings);
+        encodings = NULL;
+    }
+    if (attributes) {
+        ephyrHostAttributesDelete(attributes);
+        attributes = NULL;
+    }
+    EPHYR_LOG("leave\n");
+    return is_ok;
+}
+
+static Bool
+ephyrXVPrivSetAdaptorsHooks(EphyrXVPriv * a_this)
+{
+    int i = 0;
+    Bool has_it = FALSE;
+    EphyrHostXVAdaptor *cur_host_adaptor = NULL;
+
+    EPHYR_RETURN_VAL_IF_FAIL(a_this, FALSE);
+
+    EPHYR_LOG("enter\n");
+
+    for (i = 0; i < a_this->num_adaptors; i++) {
+        a_this->adaptors[i].ReputImage = ephyrReputImage;
+        a_this->adaptors[i].StopVideo = ephyrStopVideo;
+        a_this->adaptors[i].SetPortAttribute = ephyrSetPortAttribute;
+        a_this->adaptors[i].GetPortAttribute = ephyrGetPortAttribute;
+        a_this->adaptors[i].QueryBestSize = ephyrQueryBestSize;
+        a_this->adaptors[i].QueryImageAttributes = ephyrQueryImageAttributes;
+
+        cur_host_adaptor = ephyrHostXVAdaptorArrayAt(a_this->host_adaptors, i);
+        if (!cur_host_adaptor) {
+            EPHYR_LOG_ERROR("failed to get host adaptor at index %d\n", i);
+            continue;
+        }
+        has_it = FALSE;
+        if (!ephyrHostXVAdaptorHasPutImage(cur_host_adaptor, &has_it)) {
+            EPHYR_LOG_ERROR("error\n");
+        }
+        if (has_it) {
+            a_this->adaptors[i].PutImage = ephyrPutImage;
+        }
+
+        has_it = FALSE;
+        if (!ephyrHostXVAdaptorHasPutVideo(cur_host_adaptor, &has_it)) {
+            EPHYR_LOG_ERROR("error\n");
+        }
+        if (has_it) {
+            a_this->adaptors[i].PutVideo = ephyrPutVideo;
+        }
+
+        has_it = FALSE;
+        if (!ephyrHostXVAdaptorHasGetVideo(cur_host_adaptor, &has_it)) {
+            EPHYR_LOG_ERROR("error\n");
+        }
+        if (has_it) {
+            a_this->adaptors[i].GetVideo = ephyrGetVideo;
+        }
+
+        has_it = FALSE;
+        if (!ephyrHostXVAdaptorHasPutStill(cur_host_adaptor, &has_it)) {
+            EPHYR_LOG_ERROR("error\n");
+        }
+        if (has_it) {
+            a_this->adaptors[i].PutStill = ephyrPutStill;
+        }
+
+        has_it = FALSE;
+        if (!ephyrHostXVAdaptorHasGetStill(cur_host_adaptor, &has_it)) {
+            EPHYR_LOG_ERROR("error\n");
+        }
+        if (has_it) {
+            a_this->adaptors[i].GetStill = ephyrGetStill;
+        }
+    }
+    EPHYR_LOG("leave\n");
+    return TRUE;
+}
+
+static Bool
+ephyrXVPrivRegisterAdaptors(EphyrXVPriv * a_this, ScreenPtr a_screen)
+{
+    KdScreenPriv(a_screen);
+    KdScreenInfo *screen = pScreenPriv->screen;
+    Bool is_ok = FALSE;
+    KdVideoAdaptorPtr *adaptors = NULL, *registered_adaptors = NULL;
+    int num_registered_adaptors = 0, i = 0, num_adaptors = 0;
+
+    EPHYR_RETURN_VAL_IF_FAIL(a_this && a_screen, FALSE);
+
+    EPHYR_LOG("enter\n");
+
+    if (!a_this->num_adaptors)
+        goto out;
+    num_registered_adaptors =
+        KdXVListGenericAdaptors(screen, &registered_adaptors);
+
+    num_adaptors = num_registered_adaptors + a_this->num_adaptors;
+    adaptors = calloc(num_adaptors, sizeof(KdVideoAdaptorPtr));
+    if (!adaptors) {
+        EPHYR_LOG_ERROR("failed to allocate adaptors tab\n");
+        goto out;
+    }
+    memmove(adaptors, registered_adaptors, num_registered_adaptors);
+    for (i = 0; i < a_this->num_adaptors; i++) {
+        *(adaptors + num_registered_adaptors + i) = &a_this->adaptors[i];
+    }
+    if (!KdXVScreenInit(a_screen, adaptors, num_adaptors)) {
+        EPHYR_LOG_ERROR("failed to register adaptors\n");
+        goto out;
+    }
+    EPHYR_LOG("there are  %d registered adaptors\n", num_adaptors);
+    is_ok = TRUE;
+
+ out:
+    free(registered_adaptors);
+    registered_adaptors = NULL;
+    free(adaptors);
+    adaptors = NULL;
+
+    EPHYR_LOG("leave\n");
+    return is_ok;
+}
+
+static Bool
+ephyrXVPrivIsAttrValueValid(KdAttributePtr a_attrs,
+                            int a_attrs_len,
+                            const char *a_attr_name,
+                            int a_attr_value, Bool *a_is_valid)
+{
+    int i = 0;
+
+    EPHYR_RETURN_VAL_IF_FAIL(a_attrs && a_attr_name && a_is_valid, FALSE);
+
+    for (i = 0; i < a_attrs_len; i++) {
+        if (a_attrs[i].name && strcmp(a_attrs[i].name, a_attr_name))
+            continue;
+        if (a_attrs[i].min_value > a_attr_value ||
+            a_attrs[i].max_value < a_attr_value) {
+            *a_is_valid = FALSE;
+            EPHYR_LOG_ERROR("attribute was not valid\n"
+                            "value:%d. min:%d. max:%d\n",
+                            a_attr_value,
+                            a_attrs[i].min_value, a_attrs[i].max_value);
+        }
+        else {
+            *a_is_valid = TRUE;
+        }
+        return TRUE;
+    }
+    return FALSE;
+}
+
+static Bool
+ephyrXVPrivGetImageBufSize(int a_port_id,
+                           int a_image_id,
+                           unsigned short a_width,
+                           unsigned short a_height, int *a_size)
+{
+    Bool is_ok = FALSE;
+    unsigned short width = a_width, height = a_height;
+
+    EPHYR_RETURN_VAL_IF_FAIL(a_size, FALSE);
+
+    EPHYR_LOG("enter\n");
+
+    if (!ephyrHostXVQueryImageAttributes(a_port_id, a_image_id,
+                                         &width, &height, a_size, NULL, NULL)) {
+        EPHYR_LOG_ERROR("failed to get image attributes\n");
+        goto out;
+    }
+    is_ok = TRUE;
+
+ out:
+    EPHYR_LOG("leave\n");
+    return is_ok;
+}
+
+static Bool
+ephyrXVPrivSaveImageToPortPriv(EphyrPortPriv * a_port_priv,
+                               const unsigned char *a_image_buf,
+                               int a_image_len)
+{
+    Bool is_ok = FALSE;
+
+    EPHYR_LOG("enter\n");
+
+    if (a_port_priv->image_buf_size < a_image_len) {
+        unsigned char *buf = NULL;
+
+        buf = realloc(a_port_priv->image_buf, a_image_len);
+        if (!buf) {
+            EPHYR_LOG_ERROR("failed to realloc image buffer\n");
+            goto out;
+        }
+        a_port_priv->image_buf = buf;
+        a_port_priv->image_buf_size = a_image_len;
+    }
+    memmove(a_port_priv->image_buf, a_image_buf, a_image_len);
+    is_ok = TRUE;
+
+ out:
+    return is_ok;
+    EPHYR_LOG("leave\n");
+}
+
+static void
+ephyrStopVideo(KdScreenInfo * a_info, pointer a_port_priv, Bool a_exit)
+{
+    EphyrPortPriv *port_priv = a_port_priv;
+
+    EPHYR_RETURN_IF_FAIL(a_info && a_info->pScreen);
+    EPHYR_RETURN_IF_FAIL(port_priv);
+
+    EPHYR_LOG("enter\n");
+    if (!ephyrHostXVStopVideo(a_info->pScreen->myNum, port_priv->port_number)) {
+        EPHYR_LOG_ERROR("XvStopVideo() failed\n");
+    }
+    EPHYR_LOG("leave\n");
+}
+
+static int
+ephyrSetPortAttribute(KdScreenInfo * a_info,
+                      Atom a_attr_name, int a_attr_value, pointer a_port_priv)
+{
+    int res = Success, host_atom = 0;
+    EphyrPortPriv *port_priv = a_port_priv;
+    Bool is_attr_valid = FALSE;
+
+    EPHYR_RETURN_VAL_IF_FAIL(port_priv, BadMatch);
+    EPHYR_RETURN_VAL_IF_FAIL(port_priv->current_adaptor, BadMatch);
+    EPHYR_RETURN_VAL_IF_FAIL(port_priv->current_adaptor->pAttributes, BadMatch);
+    EPHYR_RETURN_VAL_IF_FAIL(port_priv->current_adaptor->nAttributes, BadMatch);
+    EPHYR_RETURN_VAL_IF_FAIL(ValidAtom(a_attr_name), BadMatch);
+
+    EPHYR_LOG("enter, portnum:%d, atomid:%d, attr_name:%s, attr_val:%d\n",
+              port_priv->port_number,
+              (int) a_attr_name, NameForAtom(a_attr_name), a_attr_value);
+
+    if (!ephyrLocalAtomToHost(a_attr_name, &host_atom)) {
+        EPHYR_LOG_ERROR("failed to convert local atom to host atom\n");
+        res = BadMatch;
+        goto out;
+    }
+
+    if (!ephyrXVPrivIsAttrValueValid(port_priv->current_adaptor->pAttributes,
+                                     port_priv->current_adaptor->nAttributes,
+                                     NameForAtom(a_attr_name),
+                                     a_attr_value, &is_attr_valid)) {
+        EPHYR_LOG_ERROR("failed to validate attribute %s\n",
+                        NameForAtom(a_attr_name));
+        /*
+           res = BadMatch ;
+           goto out ;
+         */
+    }
+    if (!is_attr_valid) {
+        EPHYR_LOG_ERROR("attribute %s is not valid\n",
+                        NameForAtom(a_attr_name));
+        /*
+           res = BadMatch ;
+           goto out ;
+         */
+    }
+
+    if (!ephyrHostXVSetPortAttribute(port_priv->port_number,
+                                     host_atom, a_attr_value)) {
+        EPHYR_LOG_ERROR("failed to set port attribute\n");
+        res = BadMatch;
+        goto out;
+    }
+
+    res = Success;
+ out:
+    EPHYR_LOG("leave\n");
+    return res;
+}
+
+static int
+ephyrGetPortAttribute(KdScreenInfo * a_screen_info,
+                      Atom a_attr_name, int *a_attr_value, pointer a_port_priv)
+{
+    int res = Success, host_atom = 0;
+    EphyrPortPriv *port_priv = a_port_priv;
+
+    EPHYR_RETURN_VAL_IF_FAIL(port_priv, BadMatch);
+    EPHYR_RETURN_VAL_IF_FAIL(ValidAtom(a_attr_name), BadMatch);
+
+    EPHYR_LOG("enter, portnum:%d, atomid:%d, attr_name:%s\n",
+              port_priv->port_number,
+              (int) a_attr_name, NameForAtom(a_attr_name));
+
+    if (!ephyrLocalAtomToHost(a_attr_name, &host_atom)) {
+        EPHYR_LOG_ERROR("failed to convert local atom to host atom\n");
+        res = BadMatch;
+        goto out;
+    }
+
+    if (!ephyrHostXVGetPortAttribute(port_priv->port_number,
+                                     host_atom, a_attr_value)) {
+        EPHYR_LOG_ERROR("failed to get port attribute\n");
+        res = BadMatch;
+        goto out;
+    }
+
+    res = Success;
+ out:
+    EPHYR_LOG("leave\n");
+    return res;
+}
+
+static void
+ephyrQueryBestSize(KdScreenInfo * a_info,
+                   Bool a_motion,
+                   short a_src_w,
+                   short a_src_h,
+                   short a_drw_w,
+                   short a_drw_h,
+                   unsigned int *a_prefered_w,
+                   unsigned int *a_prefered_h, pointer a_port_priv)
+{
+    int res = 0;
+    EphyrPortPriv *port_priv = a_port_priv;
+
+    EPHYR_RETURN_IF_FAIL(port_priv);
+
+    EPHYR_LOG("enter\n");
+    res = ephyrHostXVQueryBestSize(port_priv->port_number,
+                                   a_motion,
+                                   a_src_w, a_src_h,
+                                   a_drw_w, a_drw_h,
+                                   a_prefered_w, a_prefered_h);
+    if (!res) {
+        EPHYR_LOG_ERROR("Failed to query best size\n");
+    }
+    EPHYR_LOG("leave\n");
+}
+
+static int
+ephyrPutImage(KdScreenInfo * a_info,
+              DrawablePtr a_drawable,
+              short a_src_x,
+              short a_src_y,
+              short a_drw_x,
+              short a_drw_y,
+              short a_src_w,
+              short a_src_h,
+              short a_drw_w,
+              short a_drw_h,
+              int a_id,
+              unsigned char *a_buf,
+              short a_width,
+              short a_height,
+              Bool a_sync, RegionPtr a_clipping_region, pointer a_port_priv)
+{
+    EphyrPortPriv *port_priv = a_port_priv;
+    Bool is_ok = FALSE;
+    int result = BadImplementation, image_size = 0;
+
+    EPHYR_RETURN_VAL_IF_FAIL(a_info && a_info->pScreen, BadValue);
+    EPHYR_RETURN_VAL_IF_FAIL(a_drawable, BadValue);
+
+    EPHYR_LOG("enter\n");
+
+    if (!ephyrHostXVPutImage(a_info->pScreen->myNum,
+                             port_priv->port_number,
+                             a_id,
+                             a_drw_x, a_drw_y, a_drw_w, a_drw_h,
+                             a_src_x, a_src_y, a_src_w, a_src_h,
+                             a_width, a_height, a_buf,
+                             (EphyrHostBox *) RegionRects(a_clipping_region),
+                             RegionNumRects(a_clipping_region))) {
+        EPHYR_LOG_ERROR("EphyrHostXVPutImage() failed\n");
+        goto out;
+    }
+
+    /*
+     * Now save the image so that we can resend it to host it
+     * later, in ReputImage.
+     */
+    if (!ephyrXVPrivGetImageBufSize(port_priv->port_number,
+                                    a_id, a_width, a_height, &image_size)) {
+        EPHYR_LOG_ERROR("failed to get image size\n");
+        /*this is a minor error so we won't get bail out abruptly */
+        is_ok = FALSE;
+    }
+    else {
+        is_ok = TRUE;
+    }
+    if (is_ok) {
+        if (!ephyrXVPrivSaveImageToPortPriv(port_priv, a_buf, image_size)) {
+            is_ok = FALSE;
+        }
+        else {
+            port_priv->image_id = a_id;
+            port_priv->drw_x = a_drw_x;
+            port_priv->drw_y = a_drw_y;
+            port_priv->drw_w = a_drw_w;
+            port_priv->drw_h = a_drw_h;
+            port_priv->src_x = a_src_x;
+            port_priv->src_y = a_src_y;
+            port_priv->src_w = a_src_w;
+            port_priv->src_h = a_src_h;
+            port_priv->image_width = a_width;
+            port_priv->image_height = a_height;
+        }
+    }
+    if (!is_ok) {
+        if (port_priv->image_buf) {
+            free(port_priv->image_buf);
+            port_priv->image_buf = NULL;
+            port_priv->image_buf_size = 0;
+        }
+    }
+
+    result = Success;
+
+ out:
+    EPHYR_LOG("leave\n");
+    return result;
+}
+
+static int
+ephyrReputImage(KdScreenInfo * a_info,
+                DrawablePtr a_drawable,
+                short a_drw_x,
+                short a_drw_y, RegionPtr a_clipping_region, pointer a_port_priv)
+{
+    EphyrPortPriv *port_priv = a_port_priv;
+    int result = BadImplementation;
+
+    EPHYR_RETURN_VAL_IF_FAIL(a_info->pScreen, FALSE);
+    EPHYR_RETURN_VAL_IF_FAIL(a_drawable && port_priv, BadValue);
+
+    EPHYR_LOG("enter\n");
+
+    if (!port_priv->image_buf_size || !port_priv->image_buf) {
+        EPHYR_LOG_ERROR("has null image buf in cache\n");
+        goto out;
+    }
+    if (!ephyrHostXVPutImage(a_info->pScreen->myNum,
+                             port_priv->port_number,
+                             port_priv->image_id,
+                             a_drw_x, a_drw_y,
+                             port_priv->drw_w, port_priv->drw_h,
+                             port_priv->src_x, port_priv->src_y,
+                             port_priv->src_w, port_priv->src_h,
+                             port_priv->image_width, port_priv->image_height,
+                             port_priv->image_buf,
+                             (EphyrHostBox *) RegionRects(a_clipping_region),
+                             RegionNumRects(a_clipping_region))) {
+        EPHYR_LOG_ERROR("ephyrHostXVPutImage() failed\n");
+        goto out;
+    }
+
+    result = Success;
+
+ out:
+    EPHYR_LOG("leave\n");
+    return result;
+}
+
+static int
+ephyrPutVideo(KdScreenInfo * a_info,
+              DrawablePtr a_drawable,
+              short a_vid_x, short a_vid_y,
+              short a_drw_x, short a_drw_y,
+              short a_vid_w, short a_vid_h,
+              short a_drw_w, short a_drw_h,
+              RegionPtr a_clipping_region, pointer a_port_priv)
+{
+    EphyrPortPriv *port_priv = a_port_priv;
+    BoxRec clipped_area, dst_box;
+    int result = BadImplementation;
+    int drw_x = 0, drw_y = 0, drw_w = 0, drw_h = 0;
+
+    EPHYR_RETURN_VAL_IF_FAIL(a_info->pScreen, BadValue);
+    EPHYR_RETURN_VAL_IF_FAIL(a_drawable && port_priv, BadValue);
+
+    EPHYR_LOG("enter\n");
+
+    dst_box.x1 = a_drw_x;
+    dst_box.x2 = a_drw_x + a_drw_w;
+    dst_box.y1 = a_drw_y;
+    dst_box.y2 = a_drw_y + a_drw_h;
+
+    if (!DoSimpleClip(&dst_box,
+                      RegionExtents(a_clipping_region), &clipped_area)) {
+        EPHYR_LOG_ERROR("failed to simple clip\n");
+        goto out;
+    }
+
+    drw_x = clipped_area.x1;
+    drw_y = clipped_area.y1;
+    drw_w = clipped_area.x2 - clipped_area.x1;
+    drw_h = clipped_area.y2 - clipped_area.y1;
+
+    if (!ephyrHostXVPutVideo(a_info->pScreen->myNum,
+                             port_priv->port_number,
+                             a_vid_x, a_vid_y, a_vid_w, a_vid_h,
+                             a_drw_x, a_drw_y, a_drw_w, a_drw_h)) {
+        EPHYR_LOG_ERROR("ephyrHostXVPutVideo() failed\n");
+        goto out;
+    }
+    result = Success;
+
+ out:
+    EPHYR_LOG("leave\n");
+    return result;
+}
+
+static int
+ephyrGetVideo(KdScreenInfo * a_info,
+              DrawablePtr a_drawable,
+              short a_vid_x, short a_vid_y,
+              short a_drw_x, short a_drw_y,
+              short a_vid_w, short a_vid_h,
+              short a_drw_w, short a_drw_h,
+              RegionPtr a_clipping_region, pointer a_port_priv)
+{
+    EphyrPortPriv *port_priv = a_port_priv;
+    BoxRec clipped_area, dst_box;
+    int result = BadImplementation;
+    int drw_x = 0, drw_y = 0, drw_w = 0, drw_h = 0;
+
+    EPHYR_RETURN_VAL_IF_FAIL(a_info && a_info->pScreen, BadValue);
+    EPHYR_RETURN_VAL_IF_FAIL(a_drawable && port_priv, BadValue);
+
+    EPHYR_LOG("enter\n");
+
+    dst_box.x1 = a_drw_x;
+    dst_box.x2 = a_drw_x + a_drw_w;
+    dst_box.y1 = a_drw_y;
+    dst_box.y2 = a_drw_y + a_drw_h;
+
+    if (!DoSimpleClip(&dst_box,
+                      RegionExtents(a_clipping_region), &clipped_area)) {
+        EPHYR_LOG_ERROR("failed to simple clip\n");
+        goto out;
+    }
+
+    drw_x = clipped_area.x1;
+    drw_y = clipped_area.y1;
+    drw_w = clipped_area.x2 - clipped_area.x1;
+    drw_h = clipped_area.y2 - clipped_area.y1;
+
+    if (!ephyrHostXVGetVideo(a_info->pScreen->myNum,
+                             port_priv->port_number,
+                             a_vid_x, a_vid_y, a_vid_w, a_vid_h,
+                             a_drw_x, a_drw_y, a_drw_w, a_drw_h)) {
+        EPHYR_LOG_ERROR("ephyrHostXVGetVideo() failed\n");
+        goto out;
+    }
+    result = Success;
+
+ out:
+    EPHYR_LOG("leave\n");
+    return result;
+}
+
+static int
+ephyrPutStill(KdScreenInfo * a_info,
+              DrawablePtr a_drawable,
+              short a_vid_x, short a_vid_y,
+              short a_drw_x, short a_drw_y,
+              short a_vid_w, short a_vid_h,
+              short a_drw_w, short a_drw_h,
+              RegionPtr a_clipping_region, pointer a_port_priv)
+{
+    EphyrPortPriv *port_priv = a_port_priv;
+    BoxRec clipped_area, dst_box;
+    int result = BadImplementation;
+    int drw_x = 0, drw_y = 0, drw_w = 0, drw_h = 0;
+
+    EPHYR_RETURN_VAL_IF_FAIL(a_info && a_info->pScreen, BadValue);
+    EPHYR_RETURN_VAL_IF_FAIL(a_drawable && port_priv, BadValue);
+
+    EPHYR_LOG("enter\n");
+
+    dst_box.x1 = a_drw_x;
+    dst_box.x2 = a_drw_x + a_drw_w;
+    dst_box.y1 = a_drw_y;
+    dst_box.y2 = a_drw_y + a_drw_h;
+
+    if (!DoSimpleClip(&dst_box,
+                      RegionExtents(a_clipping_region), &clipped_area)) {
+        EPHYR_LOG_ERROR("failed to simple clip\n");
+        goto out;
+    }
+
+    drw_x = clipped_area.x1;
+    drw_y = clipped_area.y1;
+    drw_w = clipped_area.x2 - clipped_area.x1;
+    drw_h = clipped_area.y2 - clipped_area.y1;
+
+    if (!ephyrHostXVPutStill(a_info->pScreen->myNum,
+                             port_priv->port_number,
+                             a_vid_x, a_vid_y, a_vid_w, a_vid_h,
+                             a_drw_x, a_drw_y, a_drw_w, a_drw_h)) {
+        EPHYR_LOG_ERROR("ephyrHostXVPutStill() failed\n");
+        goto out;
+    }
+    result = Success;
+
+ out:
+    EPHYR_LOG("leave\n");
+    return result;
+}
+
+static int
+ephyrGetStill(KdScreenInfo * a_info,
+              DrawablePtr a_drawable,
+              short a_vid_x, short a_vid_y,
+              short a_drw_x, short a_drw_y,
+              short a_vid_w, short a_vid_h,
+              short a_drw_w, short a_drw_h,
+              RegionPtr a_clipping_region, pointer a_port_priv)
+{
+    EphyrPortPriv *port_priv = a_port_priv;
+    BoxRec clipped_area, dst_box;
+    int result = BadImplementation;
+    int drw_x = 0, drw_y = 0, drw_w = 0, drw_h = 0;
+
+    EPHYR_RETURN_VAL_IF_FAIL(a_info && a_info->pScreen, BadValue);
+    EPHYR_RETURN_VAL_IF_FAIL(a_drawable && port_priv, BadValue);
+
+    EPHYR_LOG("enter\n");
+
+    dst_box.x1 = a_drw_x;
+    dst_box.x2 = a_drw_x + a_drw_w;
+    dst_box.y1 = a_drw_y;
+    dst_box.y2 = a_drw_y + a_drw_h;
+
+    if (!DoSimpleClip(&dst_box,
+                      RegionExtents(a_clipping_region), &clipped_area)) {
+        EPHYR_LOG_ERROR("failed to simple clip\n");
+        goto out;
+    }
+
+    drw_x = clipped_area.x1;
+    drw_y = clipped_area.y1;
+    drw_w = clipped_area.x2 - clipped_area.x1;
+    drw_h = clipped_area.y2 - clipped_area.y1;
+
+    if (!ephyrHostXVGetStill(a_info->pScreen->myNum,
+                             port_priv->port_number,
+                             a_vid_x, a_vid_y, a_vid_w, a_vid_h,
+                             a_drw_x, a_drw_y, a_drw_w, a_drw_h)) {
+        EPHYR_LOG_ERROR("ephyrHostXVGetStill() failed\n");
+        goto out;
+    }
+    result = Success;
+
+ out:
+    EPHYR_LOG("leave\n");
+    return result;
+}
+
+static int
+ephyrQueryImageAttributes(KdScreenInfo * a_info,
+                          int a_id,
+                          unsigned short *a_w,
+                          unsigned short *a_h, int *a_pitches, int *a_offsets)
+{
+    int image_size = 0;
+
+    EPHYR_RETURN_VAL_IF_FAIL(a_w && a_h, FALSE);
+
+    EPHYR_LOG("enter: dim (%dx%d), pitches: %p, offsets: %p\n",
+              *a_w, *a_h, a_pitches, a_offsets);
+
+    if (!ephyrHostXVQueryImageAttributes(s_base_port_id,
+                                         a_id,
+                                         a_w, a_h,
+                                         &image_size, a_pitches, a_offsets)) {
+        EPHYR_LOG_ERROR("EphyrHostXVQueryImageAttributes() failed\n");
+        goto out;
+    }
+    EPHYR_LOG("image size: %d, dim (%dx%d)\n", image_size, *a_w, *a_h);
+
+ out:
+    EPHYR_LOG("leave\n");
+    return image_size;
+}