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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) {
snprintf(number, sizeof(number), "%d", a_err_event->request_code);
XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
}
else {
for (ext = dpy->ext_procs;
ext && (ext->codes.major_opcode != a_err_event->request_code);
ext = ext->next);
if (ext)
strcpy(buffer, ext->name);
else
buffer[0] = '\0';
}
(void) fprintf(a_fp, " (%s)\n", buffer);
if (a_err_event->request_code >= 128) {
XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
mesg, BUFSIZ);
fputs(" ", a_fp);
(void) fprintf(a_fp, mesg, a_err_event->minor_code);
if (ext) {
snprintf(mesg, sizeof(mesg), "%s.%d",
ext->name, a_err_event->minor_code);
XGetErrorDatabaseText(dpy, "XRequest", mesg, "", buffer, BUFSIZ);
(void) fprintf(a_fp, " (%s)", buffer);
}
fputs("\n", a_fp);
}
if (a_err_event->error_code >= 128) {
/* kludge, try to find the extension that caused it */
buffer[0] = '\0';
for (ext = dpy->ext_procs; ext; ext = ext->next) {
if (ext->error_string)
(*ext->error_string) (dpy, a_err_event->error_code, &ext->codes,
buffer, BUFSIZ);
if (buffer[0]) {
bext = ext;
break;
}
if (ext->codes.first_error &&
ext->codes.first_error < (int) a_err_event->error_code &&
(!bext || ext->codes.first_error > bext->codes.first_error))
bext = ext;
}
if (bext)
snprintf(buffer, sizeof(buffer), "%s.%d", bext->name,
a_err_event->error_code - bext->codes.first_error);
else
strcpy(buffer, "Value");
XGetErrorDatabaseText(dpy, mtype, buffer, "", mesg, BUFSIZ);
if (mesg[0]) {
fputs(" ", a_fp);
(void) fprintf(a_fp, mesg, a_err_event->resourceid);
fputs("\n", a_fp);
}
/* let extensions try to print the values */
for (ext = dpy->ext_procs; ext; ext = ext->next) {
if (ext->error_values)
(*ext->error_values) (dpy, a_err_event, a_fp);
}
}
else if ((a_err_event->error_code == BadWindow) ||
(a_err_event->error_code == BadPixmap) ||
(a_err_event->error_code == BadCursor) ||
(a_err_event->error_code == BadFont) ||
(a_err_event->error_code == BadDrawable) ||
(a_err_event->error_code == BadColor) ||
(a_err_event->error_code == BadGC) ||
(a_err_event->error_code == BadIDChoice) ||
(a_err_event->error_code == BadValue) ||
(a_err_event->error_code == BadAtom)) {
if (a_err_event->error_code == BadValue)
XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
mesg, BUFSIZ);
else if (a_err_event->error_code == BadAtom)
XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
mesg, BUFSIZ);
else
XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
mesg, BUFSIZ);
fputs(" ", a_fp);
(void) fprintf(a_fp, mesg, a_err_event->resourceid);
fputs("\n", a_fp);
}
XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
mesg, BUFSIZ);
fputs(" ", a_fp);
(void) fprintf(a_fp, mesg, a_err_event->serial);
XGetErrorDatabaseText(dpy, mtype, "CurrentSerial", "Current Serial #%d",
mesg, BUFSIZ);
fputs("\n ", a_fp);
(void) fprintf(a_fp, mesg, dpy->request);
fputs("\n", a_fp);
}
static int
ephyrHostXVErrorHandler(Display * a_display, XErrorEvent * a_error_event)
{
EPHYR_LOG_ERROR("got an error from the host xserver:\n");
ephyrHostXVLogXErrorEvent(a_display, a_error_event, stderr);
return Success;
}
void
ephyrHostXVInit(void)
{
static Bool s_initialized;
if (s_initialized)
return;
XSetErrorHandler(ephyrHostXVErrorHandler);
s_initialized = TRUE;
}
Bool
ephyrHostXVQueryAdaptors(EphyrHostXVAdaptorArray ** a_adaptors)
{
EphyrHostXVAdaptorArray *result = NULL;
int ret = 0;
Bool is_ok = FALSE;
EPHYR_RETURN_VAL_IF_FAIL(a_adaptors, FALSE);
EPHYR_LOG("enter\n");
result = calloc(1, sizeof(EphyrHostXVAdaptorArray));
if (!result)
goto out;
ret = XvQueryAdaptors(hostx_get_display(),
DefaultRootWindow(hostx_get_display()),
&result->nb_adaptors, &result->adaptors);
if (ret != Success) {
EPHYR_LOG_ERROR("failed to query host adaptors: %d\n", ret);
goto out;
}
*a_adaptors = result;
is_ok = TRUE;
out:
EPHYR_LOG("leave\n");
return is_ok;
}
void
ephyrHostXVAdaptorArrayDelete(EphyrHostXVAdaptorArray * a_adaptors)
{
if (!a_adaptors)
return;
if (a_adaptors->adaptors) {
XvFreeAdaptorInfo(a_adaptors->adaptors);
a_adaptors->adaptors = NULL;
a_adaptors->nb_adaptors = 0;
}
XFree(a_adaptors);
}
int
ephyrHostXVAdaptorArrayGetSize(const EphyrHostXVAdaptorArray * a_this)
{
EPHYR_RETURN_VAL_IF_FAIL(a_this, -1);
return a_this->nb_adaptors;
}
EphyrHostXVAdaptor *
ephyrHostXVAdaptorArrayAt(const EphyrHostXVAdaptorArray * a_this, int a_index)
{
EPHYR_RETURN_VAL_IF_FAIL(a_this, NULL);
if (a_index >= a_this->nb_adaptors)
return NULL;
return (EphyrHostXVAdaptor *) &a_this->adaptors[a_index];
}
char
ephyrHostXVAdaptorGetType(const EphyrHostXVAdaptor * a_this)
{
EPHYR_RETURN_VAL_IF_FAIL(a_this, -1);
return ((XvAdaptorInfo *) a_this)->type;
}
const char *
ephyrHostXVAdaptorGetName(const EphyrHostXVAdaptor * a_this)
{
EPHYR_RETURN_VAL_IF_FAIL(a_this, NULL);
return ((XvAdaptorInfo *) a_this)->name;
}
EphyrHostVideoFormat *
ephyrHostXVAdaptorGetVideoFormats(const EphyrHostXVAdaptor * a_this,
int *a_nb_formats)
{
EphyrHostVideoFormat *formats = NULL;
int nb_formats = 0, i = 0;
XVisualInfo *visual_info, visual_info_template;
int nb_visual_info;
EPHYR_RETURN_VAL_IF_FAIL(a_this, NULL);
nb_formats = ((XvAdaptorInfo *) a_this)->num_formats;
formats = calloc(nb_formats, sizeof(EphyrHostVideoFormat));
for (i = 0; i < nb_formats; i++) {
memset(&visual_info_template, 0, sizeof(visual_info_template));
visual_info_template.visualid =
((XvAdaptorInfo *) a_this)->formats[i].visual_id;
visual_info = XGetVisualInfo(hostx_get_display(),
VisualIDMask,
&visual_info_template, &nb_visual_info);
formats[i].depth = ((XvAdaptorInfo *) a_this)->formats[i].depth;
formats[i].visual_class = visual_info->class;
XFree(visual_info);
}
if (a_nb_formats)
*a_nb_formats = nb_formats;
return formats;
}
int
ephyrHostXVAdaptorGetNbPorts(const EphyrHostXVAdaptor * a_this)
{
EPHYR_RETURN_VAL_IF_FAIL(a_this, -1);
return ((XvAdaptorInfo *) a_this)->num_ports;
}
int
ephyrHostXVAdaptorGetFirstPortID(const EphyrHostXVAdaptor * a_this)
{
EPHYR_RETURN_VAL_IF_FAIL(a_this, -1);
return ((XvAdaptorInfo *) a_this)->base_id;
}
Bool
ephyrHostXVAdaptorHasPutVideo(const EphyrHostXVAdaptor * a_this, Bool *a_result)
{
EPHYR_RETURN_VAL_IF_FAIL(a_this && a_result, FALSE);
if ((((XvAdaptorInfo *) a_this)->type & (XvVideoMask | XvInputMask)) ==
(XvVideoMask | XvInputMask))
*a_result = TRUE;
else
*a_result = FALSE;
return TRUE;
}
Bool
ephyrHostXVAdaptorHasGetVideo(const EphyrHostXVAdaptor * a_this, Bool *a_result)
{
if ((((XvAdaptorInfo *) a_this)->type & (XvVideoMask | XvOutputMask)) ==
(XvVideoMask | XvOutputMask))
*a_result = TRUE;
else
*a_result = FALSE;
return TRUE;
}
Bool
ephyrHostXVAdaptorHasPutStill(const EphyrHostXVAdaptor * a_this, Bool *a_result)
{
EPHYR_RETURN_VAL_IF_FAIL(a_this && a_result, FALSE);
if ((((XvAdaptorInfo *) a_this)->type & (XvStillMask | XvInputMask)) ==
(XvStillMask | XvInputMask))
*a_result = TRUE;
else
*a_result = FALSE;
return TRUE;
}
Bool
ephyrHostXVAdaptorHasGetStill(const EphyrHostXVAdaptor * a_this, Bool *a_result)
{
EPHYR_RETURN_VAL_IF_FAIL(a_this && a_result, FALSE);
if ((((XvAdaptorInfo *) a_this)->type & (XvStillMask | XvOutputMask)) ==
(XvStillMask | XvOutputMask))
*a_result = TRUE;
else
*a_result = FALSE;
return TRUE;
}
Bool
ephyrHostXVAdaptorHasPutImage(const EphyrHostXVAdaptor * a_this, Bool *a_result)
{
EPHYR_RETURN_VAL_IF_FAIL(a_this && a_result, FALSE);
if ((((XvAdaptorInfo *) a_this)->type & (XvImageMask | XvInputMask)) ==
(XvImageMask | XvInputMask))
*a_result = TRUE;
else
*a_result = FALSE;
return TRUE;
}
Bool
ephyrHostXVQueryEncodings(int a_port_id,
EphyrHostEncoding ** a_encodings,
unsigned int *a_num_encodings)
{
EphyrHostEncoding *encodings = NULL;
XvEncodingInfo *encoding_info = NULL;
unsigned int num_encodings = 0, i;
int ret = 0;
EPHYR_RETURN_VAL_IF_FAIL(a_encodings && a_num_encodings, FALSE);
ret = XvQueryEncodings(hostx_get_display(),
a_port_id, &num_encodings, &encoding_info);
if (num_encodings && encoding_info) {
encodings = calloc(num_encodings, sizeof(EphyrHostEncoding));
for (i = 0; i < num_encodings; i++) {
encodings[i].id = encoding_info[i].encoding_id;
encodings[i].name = strdup(encoding_info[i].name);
encodings[i].width = encoding_info[i].width;
encodings[i].height = encoding_info[i].height;
encodings[i].rate.numerator = encoding_info[i].rate.numerator;
encodings[i].rate.denominator = encoding_info[i].rate.denominator;
}
}
if (encoding_info) {
XvFreeEncodingInfo(encoding_info);
encoding_info = NULL;
}
*a_encodings = encodings;
*a_num_encodings = num_encodings;
if (ret != Success)
return FALSE;
return TRUE;
}
void
ephyrHostEncodingsDelete(EphyrHostEncoding * a_encodings, int a_num_encodings)
{
int i = 0;
if (!a_encodings)
return;
for (i = 0; i < a_num_encodings; i++) {
free(a_encodings[i].name);
a_encodings[i].name = NULL;
}
free(a_encodings);
}
void
ephyrHostAttributesDelete(EphyrHostAttribute * a_attributes)
{
if (!a_attributes)
return;
XFree(a_attributes);
}
Bool
ephyrHostXVQueryPortAttributes(int a_port_id,
EphyrHostAttribute ** a_attributes,
int *a_num_attributes)
{
EPHYR_RETURN_VAL_IF_FAIL(a_attributes && a_num_attributes, FALSE);
*a_attributes =
(EphyrHostAttribute *) XvQueryPortAttributes(hostx_get_display(),
a_port_id,
a_num_attributes);
return TRUE;
}
Bool
ephyrHostXVQueryImageFormats(int a_port_id,
EphyrHostImageFormat ** a_formats,
int *a_num_format)
{
XvImageFormatValues *result = NULL;
EPHYR_RETURN_VAL_IF_FAIL(a_formats && a_num_format, FALSE);
result = XvListImageFormats(hostx_get_display(), a_port_id, a_num_format);
*a_formats = (EphyrHostImageFormat *) result;
return TRUE;
}
Bool
ephyrHostXVSetPortAttribute(int a_port_id, int a_atom, int a_attr_value)
{
int res = Success;
EPHYR_LOG("atom,name,value: (%d,%s,%d)\n",
a_atom, XGetAtomName(hostx_get_display(), a_atom), a_attr_value);
res = XvSetPortAttribute(hostx_get_display(),
a_port_id, a_atom, a_attr_value);
if (res != Success) {
EPHYR_LOG_ERROR("XvSetPortAttribute() failed: %d\n", res);
return FALSE;
}
XFlush(hostx_get_display());
EPHYR_LOG("leave\n");
return TRUE;
}
Bool
ephyrHostXVGetPortAttribute(int a_port_id, int a_atom, int *a_attr_value)
{
int res = Success;
Bool ret = FALSE;
EPHYR_RETURN_VAL_IF_FAIL(a_attr_value, FALSE);
EPHYR_LOG("enter, a_port_id: %d, a_atomid: %d, attr_name: %s\n",
a_port_id, a_atom, XGetAtomName(hostx_get_display(), a_atom));
res = XvGetPortAttribute(hostx_get_display(),
a_port_id, a_atom, a_attr_value);
if (res != Success) {
EPHYR_LOG_ERROR("XvGetPortAttribute() failed: %d \n", res);
goto out;
}
EPHYR_LOG("atom,value: (%d, %d)\n", a_atom, *a_attr_value);
ret = TRUE;
out:
EPHYR_LOG("leave\n");
return ret;
}
Bool
ephyrHostXVQueryBestSize(int a_port_id,
Bool a_motion,
unsigned int a_frame_w,
unsigned int a_frame_h,
unsigned int a_drw_w,
unsigned int a_drw_h,
unsigned int *a_actual_w, unsigned int *a_actual_h)
{
int res = 0;
Bool is_ok = FALSE;
EPHYR_RETURN_VAL_IF_FAIL(a_actual_w && a_actual_h, FALSE);
EPHYR_LOG("enter: frame (%dx%d), drw (%dx%d)\n",
a_frame_w, a_frame_h, a_drw_w, a_drw_h);
res = XvQueryBestSize(hostx_get_display(),
a_port_id,
a_motion,
a_frame_w, a_frame_h,
a_drw_w, a_drw_h, a_actual_w, a_actual_h);
if (res != Success) {
EPHYR_LOG_ERROR("XvQueryBestSize() failed: %d\n", res);
goto out;
}
XSync(hostx_get_display(), FALSE);
EPHYR_LOG("actual (%dx%d)\n", *a_actual_w, *a_actual_h);
is_ok = TRUE;
out:
EPHYR_LOG("leave\n");
return is_ok;
}
static Bool
xv_wire_to_event(Display * dpy, XEvent * host, xEvent *wire)
{
XExtDisplayInfo *info = xv_find_display(dpy);
XvEvent *re = (XvEvent *) host;
xvEvent *event = (xvEvent *) wire;
XvCheckExtension(dpy, info, False);
switch ((event->u.u.type & 0x7F) - info->codes->first_event) {
case XvVideoNotify:
re->xvvideo.type = event->u.u.type & 0x7f;
re->xvvideo.serial = _XSetLastRequestRead(dpy, (xGenericReply *) event);
re->xvvideo.send_event = ((event->u.u.type & 0x80) != 0);
re->xvvideo.display = dpy;
re->xvvideo.time = event->u.videoNotify.time;
re->xvvideo.reason = event->u.videoNotify.reason;
re->xvvideo.drawable = event->u.videoNotify.drawable;
re->xvvideo.port_id = event->u.videoNotify.port;
break;
case XvPortNotify:
re->xvport.type = event->u.u.type & 0x7f;
re->xvport.serial = _XSetLastRequestRead(dpy, (xGenericReply *) event);
re->xvport.send_event = ((event->u.u.type & 0x80) != 0);
re->xvport.display = dpy;
re->xvport.time = event->u.portNotify.time;
re->xvport.port_id = event->u.portNotify.port;
re->xvport.attribute = event->u.portNotify.attribute;
re->xvport.value = event->u.portNotify.value;
break;
default:
return False;
}
return True;
}
Bool
ephyrHostXVQueryImageAttributes(int a_port_id,
int a_image_id /*image fourcc code */ ,
unsigned short *a_width,
unsigned short *a_height,
int *a_image_size,
int *a_pitches, int *a_offsets)
{
Display *dpy = hostx_get_display();
Bool ret = FALSE;
XExtDisplayInfo *info = xv_find_display(dpy);
xvQueryImageAttributesReq *req = NULL;
xvQueryImageAttributesReply rep;
EPHYR_RETURN_VAL_IF_FAIL(a_width, FALSE);
EPHYR_RETURN_VAL_IF_FAIL(a_height, FALSE);
EPHYR_RETURN_VAL_IF_FAIL(a_image_size, FALSE);
XvCheckExtension(dpy, info, FALSE);
LockDisplay(dpy);
XvGetReq(QueryImageAttributes, req);
req->id = a_image_id;
req->port = a_port_id;
req->width = *a_width;
req->height = *a_height;
/*
* read the reply
*/
if (!_XReply(dpy, (xReply *) &rep, 0, xFalse)) {
EPHYR_LOG_ERROR("QeryImageAttribute req failed\n");
goto out;
}
if (a_pitches && a_offsets) {
_XRead(dpy, (char *) a_pitches, rep.num_planes << 2);
_XRead(dpy, (char *) a_offsets, rep.num_planes << 2);
}
else {
_XEatData(dpy, rep.length << 2);
}
*a_width = rep.width;
*a_height = rep.height;
*a_image_size = rep.data_size;
ret = TRUE;
out:
UnlockDisplay(dpy);
SyncHandle();
return ret;
}
Bool
ephyrHostGetAtom(const char *a_name, Bool a_create_if_not_exists, int *a_atom)
{
int atom = None;
EPHYR_RETURN_VAL_IF_FAIL(a_atom, FALSE);
atom = XInternAtom(hostx_get_display(), a_name, a_create_if_not_exists);
if (atom == None) {
return FALSE;
}
*a_atom = atom;
return TRUE;
}
char *
ephyrHostGetAtomName(int a_atom)
{
return XGetAtomName(hostx_get_display(), a_atom);
}
void
ephyrHostFree(void *a_pointer)
{
if (a_pointer)
XFree(a_pointer);
}
Bool
ephyrHostXVPutImage(int a_screen_num,
int a_port_id,
int a_image_id,
int a_drw_x,
int a_drw_y,
int a_drw_w,
int a_drw_h,
int a_src_x,
int a_src_y,
int a_src_w,
int a_src_h,
int a_image_width,
int a_image_height,
unsigned char *a_buf,
EphyrHostBox * a_clip_rects, int a_clip_rect_nums)
{
Bool is_ok = TRUE;
XvImage *xv_image = NULL;
GC gc = 0;
XGCValues gc_values;
Display *dpy = hostx_get_display();
XRectangle *rects = NULL;
int res = 0;
EPHYR_RETURN_VAL_IF_FAIL(a_buf, FALSE);
EPHYR_LOG("enter, num_clip_rects: %d\n", a_clip_rect_nums);
memset(&gc_values, 0, sizeof(gc_values));
gc = XCreateGC(dpy, hostx_get_window(a_screen_num), 0L, &gc_values);
if (!gc) {
EPHYR_LOG_ERROR("failed to create gc \n");
goto out;
}
xv_image = (XvImage *) XvCreateImage(hostx_get_display(),
a_port_id, a_image_id,
NULL, a_image_width, a_image_height);
if (!xv_image) {
EPHYR_LOG_ERROR("failed to create image\n");
goto out;
}
xv_image->data = (char *) a_buf;
if (a_clip_rect_nums) {
int i = 0;
rects = calloc(a_clip_rect_nums, sizeof(XRectangle));
for (i = 0; i < a_clip_rect_nums; i++) {
rects[i].x = a_clip_rects[i].x1;
rects[i].y = a_clip_rects[i].y1;
rects[i].width = a_clip_rects[i].x2 - a_clip_rects[i].x1;
rects[i].height = a_clip_rects[i].y2 - a_clip_rects[i].y1;
EPHYR_LOG("(x,y,w,h): (%d,%d,%d,%d)\n",
rects[i].x, rects[i].y, rects[i].width, rects[i].height);
}
XSetClipRectangles(dpy, gc, 0, 0, rects, a_clip_rect_nums, YXBanded);
/*this always returns 1 */
}
res = XvPutImage(dpy, a_port_id,
hostx_get_window(a_screen_num),
gc, xv_image,
a_src_x, a_src_y, a_src_w, a_src_h,
a_drw_x, a_drw_y, a_drw_w, a_drw_h);
if (res != Success) {
EPHYR_LOG_ERROR("XvPutImage() failed: %d\n", res);
goto out;
}
is_ok = TRUE;
out:
if (xv_image) {
XFree(xv_image);
xv_image = NULL;
}
if (gc) {
XFreeGC(dpy, gc);
gc = NULL;
}
free(rects);
rects = NULL;
EPHYR_LOG("leave\n");
return is_ok;
}
Bool
ephyrHostXVPutVideo(int a_screen_num, int a_port_id,
int a_vid_x, int a_vid_y, int a_vid_w, int a_vid_h,
int a_drw_x, int a_drw_y, int a_drw_w, int a_drw_h)
{
Bool is_ok = FALSE;
int res = FALSE;
GC gc = 0;
XGCValues gc_values;
Display *dpy = hostx_get_display();
EPHYR_RETURN_VAL_IF_FAIL(dpy, FALSE);
gc = XCreateGC(dpy, hostx_get_window(a_screen_num), 0L, &gc_values);
if (!gc) {
EPHYR_LOG_ERROR("failed to create gc \n");
goto out;
}
res = XvPutVideo(dpy, a_port_id, hostx_get_window(a_screen_num), gc,
a_vid_x, a_vid_y, a_vid_w, a_vid_h,
a_drw_x, a_drw_y, a_drw_w, a_drw_h);
if (res != Success) {
EPHYR_LOG_ERROR("XvPutVideo() failed: %d\n", res);
goto out;
}
is_ok = TRUE;
out:
if (gc) {
XFreeGC(dpy, gc);
gc = NULL;
}
return is_ok;
}
Bool
ephyrHostXVGetVideo(int a_screen_num, int a_port_id,
int a_vid_x, int a_vid_y, int a_vid_w, int a_vid_h,
int a_drw_x, int a_drw_y, int a_drw_w, int a_drw_h)
{
Bool is_ok = FALSE;
int res = FALSE;
GC gc = 0;
XGCValues gc_values;
Display *dpy = hostx_get_display();
EPHYR_RETURN_VAL_IF_FAIL(dpy, FALSE);
gc = XCreateGC(dpy, hostx_get_window(a_screen_num), 0L, &gc_values);
if (!gc) {
EPHYR_LOG_ERROR("failed to create gc \n");
goto out;
}
res = XvGetVideo(dpy, a_port_id, hostx_get_window(a_screen_num), gc,
a_vid_x, a_vid_y, a_vid_w, a_vid_h,
a_drw_x, a_drw_y, a_drw_w, a_drw_h);
if (res != Success) {
EPHYR_LOG_ERROR("XvGetVideo() failed: %d\n", res);
goto out;
}
is_ok = TRUE;
out:
if (gc) {
XFreeGC(dpy, gc);
gc = NULL;
}
return is_ok;
}
Bool
ephyrHostXVPutStill(int a_screen_num, int a_port_id,
int a_vid_x, int a_vid_y, int a_vid_w, int a_vid_h,
int a_drw_x, int a_drw_y, int a_drw_w, int a_drw_h)
{
Bool is_ok = FALSE;
int res = FALSE;
GC gc = 0;
XGCValues gc_values;
Display *dpy = hostx_get_display();
EPHYR_RETURN_VAL_IF_FAIL(dpy, FALSE);
gc = XCreateGC(dpy, hostx_get_window(a_screen_num), 0L, &gc_values);
if (!gc) {
EPHYR_LOG_ERROR("failed to create gc \n");
goto out;
}
res = XvPutStill(dpy, a_port_id, hostx_get_window(a_screen_num), gc,
a_vid_x, a_vid_y, a_vid_w, a_vid_h,
a_drw_x, a_drw_y, a_drw_w, a_drw_h);
if (res != Success) {
EPHYR_LOG_ERROR("XvPutStill() failed: %d\n", res);
goto out;
}
is_ok = TRUE;
out:
if (gc) {
XFreeGC(dpy, gc);
gc = NULL;
}
return is_ok;
}
Bool
ephyrHostXVGetStill(int a_screen_num, int a_port_id,
int a_vid_x, int a_vid_y, int a_vid_w, int a_vid_h,
int a_drw_x, int a_drw_y, int a_drw_w, int a_drw_h)
{
Bool is_ok = FALSE;
int res = FALSE;
GC gc = 0;
XGCValues gc_values;
Display *dpy = hostx_get_display();
EPHYR_RETURN_VAL_IF_FAIL(dpy, FALSE);
gc = XCreateGC(dpy, hostx_get_window(a_screen_num), 0L, &gc_values);
if (!gc) {
EPHYR_LOG_ERROR("failed to create gc \n");
goto out;
}
res = XvGetStill(dpy, a_port_id, hostx_get_window(a_screen_num), gc,
a_vid_x, a_vid_y, a_vid_w, a_vid_h,
a_drw_x, a_drw_y, a_drw_w, a_drw_h);
if (res != Success) {
EPHYR_LOG_ERROR("XvGetStill() failed: %d\n", res);
goto out;
}
is_ok = TRUE;
out:
if (gc) {
XFreeGC(dpy, gc);
gc = NULL;
}
return is_ok;
}
Bool
ephyrHostXVStopVideo(int a_screen_num, int a_port_id)
{
int ret = 0;
Bool is_ok = FALSE;
Display *dpy = hostx_get_display();
EPHYR_RETURN_VAL_IF_FAIL(dpy, FALSE);
EPHYR_LOG("enter\n");
ret = XvStopVideo(dpy, a_port_id, hostx_get_window(a_screen_num));
if (ret != Success) {
EPHYR_LOG_ERROR("XvStopVideo() failed: %d \n", ret);
goto out;
}
is_ok = TRUE;
out:
EPHYR_LOG("leave\n");
return is_ok;
}
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