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xserver/hw/kdrive/ephyr/ephyrhostvideo.c

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/*
* 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 = Xcalloc (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 = Xcalloc (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)
*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)
*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)
*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)
*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)
*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 = Xcalloc (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++) {
if (a_encodings[i].name) {
xfree (a_encodings[i].name) ;
a_encodings[i].name = NULL ;
}
}
xfree (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 ;
}
if (rects) {
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 ;
}
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