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#include "xvaccelrenderer.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <QX11Info>
#define VERBOSE_XV
XvAccelRender::XvAccelRender(QWidget *window, uint32_t w, uint32_t h)
{
xvimage = NULL;
#ifdef VERBOSE_XV
printf("Xv start\n");
#endif
width = w;
height = h;
GUI_XvInit(window, w, h);
}
XvAccelRender::~XvAccelRender()
{
GUI_XvEnd( );
#ifdef VERBOSE_XV
printf("Xv end\n");
#endif
}
char *XvAccelRender::getDisplayData()
{
if(xvimage) return xvimage->data;
else return NULL;
}
uint8_t XvAccelRender::display(uint32_t w, uint32_t h)
{
return GUI_XvDisplay(w, h);
}
void XvAccelRender::GUI_XvEnd( void )
{
ADM_assert(xv_port);
ADM_assert(xv_display);
#ifdef VERBOSE_XV
printf("\n Releasing Xv Port\n");
#endif
XLockDisplay (xv_display);
if(XvUngrabPort(xv_display,xv_port,0)!=Success)
printf("\n Trouble releasing port...\n");
XUnlockDisplay (xv_display);
xvimage=NULL;
xv_display=NULL;
xv_port=0;
}
uint8_t XvAccelRender::GUI_XvDisplay(uint32_t w, uint32_t h)
{
if (xvimage)
{
XLockDisplay (xv_display);
#if 1
XvShmPutImage(xv_display, xv_port, xv_win, xv_gc, xvimage,
0, 0, w, h,
0, 0, width, height,
False);
#else
XvPutImage(xv_display, xv_port, xv_win, xv_gc, xvimage,
0, 0, w, h,
0, 0, w, h
);
#endif
XSync(xv_display, False);
XUnlockDisplay (xv_display);
}
return 1;
}
uint8_t XvAccelRender::GUI_XvInit(QWidget * window, uint32_t w, uint32_t h)
{
unsigned int ver, rel, req, ev, err;
unsigned int port, adaptors;
static XvAdaptorInfo *ai;
static XvAdaptorInfo *curai;
xv_display = window->x11Info().display();
xv_win = window->winId();
#define WDN xv_display
xv_port = 0;
if (Success != XvQueryExtension(WDN, &ver, &rel, &req, &ev, &err))
{
printf("\n Query Extension failed\n");
goto failed;
}
if (Success != XvQueryAdaptors(WDN,
DefaultRootWindow(WDN), &adaptors, &ai))
{
printf("\n Query Adaptor failed\n");
goto failed;
}
curai = ai;
XvFormat *formats;
port = 0;
for (uint16_t i = 0; (!port) && (i < adaptors); i++)
{
#ifdef VERBOSE_XV
printf("\n_______________________________\n");
printf("\n Adaptator : %d", i);
printf("\n Base ID : %ld", curai->base_id);
printf("\n Nb Port : %lu", curai->num_ports);
printf("\n Type : %d,", curai->type);
#define CHECK(x) if(curai->type & x) printf("|"#x);
CHECK(XvInputMask);
CHECK(XvOutputMask);
CHECK(XvVideoMask);
CHECK(XvStillMask);
CHECK(XvImageMask);
printf("\n Name : %s", curai->name);
printf("\n Num Adap : %lu", curai->num_adaptors);
printf("\n Num fmt : %lu", curai->num_formats);
#endif
formats = curai->formats;
uint16_t k;
for (k = 0; (k < curai->num_ports) && !port; k++)
{
if (GUI_XvList(WDN, k + curai->base_id, &xv_format))
port = k + curai->base_id;
}
curai++;
}
if (!port)
{
printf("\n no port found");
goto failed;
}
#ifdef COLORSPACE_YV12
#ifdef VERBOSE_XV
printf("\n Xv YV12 found at port :%d, format : %d", port, xv_format);
#endif
#else
#ifdef VERBOSE_XV
printf("\n Xv YUY2 found at port :%d, format : %d", port, xv_format);
#endif
#endif
if (Success != XvGrabPort(WDN, port, 0))
goto failed;
{
xv_port = port;
xvimage = XvShmCreateImage(WDN, xv_port,
xv_format, 0, w, h, &Shminfo);
Shminfo.shmid = shmget(IPC_PRIVATE, xvimage->data_size,
IPC_CREAT | 0777);
Shminfo.shmaddr = (char *) shmat(Shminfo.shmid, 0, 0);
Shminfo.readOnly = False;
xvimage->data = Shminfo.shmaddr;
XShmAttach(WDN, &Shminfo);
XSync(WDN, False);
shmctl(Shminfo.shmid, IPC_RMID, 0);
memset(xvimage->data, 0, xvimage->data_size);
xv_xgc.graphics_exposures = False;
xv_gc = XCreateGC(xv_display, xv_win, 0L, &xv_xgc);
}
#ifdef VERBOSE_XV
printf("\n Xv init succeedeed\n");
#endif
return 1;
failed:
printf("\n Xv init failed..\n");
return 0;
}
uint8_t XvAccelRender::GUI_XvList(Display * dis, uint32_t port, uint32_t * fmt)
{
XvImageFormatValues *formatValues;
int imgfmt;
int k, f = 0;
formatValues = XvListImageFormats(dis, port, &imgfmt);
if (formatValues)
for (k = 0; !f || (k < imgfmt); k++)
{
#ifdef VERVOSE_XV
printf("\n %lx %d --> %s", port, formatValues[k].id,
formatValues[k].guid);
#endif
#ifdef COLORSPACE_YV12
if (!strcmp(formatValues[k].guid, "YV12"))
#else
if (!strcmp(formatValues[k].guid, "YUY2"))
#endif
{
f = 1;
*fmt = formatValues[k].id;
}
} else
f = 0;
XFree(formatValues);
return f;
}
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