int XILWindowAssistor::command(int argc, const char*const* argv)
{
u_int nbands;
XilDataType datatype;
// fprintf(stderr,"XILWindowAssistor::"__FUNCTION__"\n");
if (argc == 3 && strcmp(argv[1], "window") == 0) {
sentfirstheader=0;
imageYCC = NULL;
ximage_ = NULL;
window_ = VideoWindow::lookup(argv[2]);
Tk_MakeWindowExist(window_->tkwin());
// gc_ = Tk_GetGC(window_->tkwin(), 0, 0);
gc_ = XCreateGC(Tk_Display(window_->tkwin()),
Tk_WindowId(window_->tkwin()), 0, NULL);
Tk_CreateEventHandler(window_->tkwin(), ExposureMask,
handle_exposure_callback,
(ClientData)this);
//fprintf(stderr,"xil_create_from_window(%p,%p,%08lx)\n", xil_,Tk_Display(window_->tkwin()),Tk_WindowId(window_->tkwin()));
displayimage_=xil_create_from_window(xil_,Tk_Display(window_->tkwin()),Tk_WindowId(window_->tkwin()));
//fprintf(stderr,"HW_DECOMPRESS_CIS\n");
// disable (osprey) hardware decompression for Windowed Display.
// the software decoder is fast enough
xil_set_attribute(displayimage_,"HW_DECOMPRESS_CIS",(void *)-1);
/*
int arg;
xil_get_device_attribute(displayimage_,"VIDEO_OUT",(void**)&arg);
//fprintf(stderr,"VIDEO_OUT-> %d\n",arg);
xil_set_device_attribute(displayimage_,"VIDEO_OUT",(void*)FALSE);
*/
// xil_set_device_attribute(displayimage_,"H261_PIP",(void*)TRUE);
xil_get_info(displayimage_, &targetw_, &targeth_, &nbands, &datatype);
//fprintf(stderr,"w=%d,h=%d,bands=%d,dt=%d\n", targetw_,targeth_,nbands,datatype);
switch (Tk_Depth(window_->tkwin())) {
case 8:
visual = PSEUDOCOLOR;
break;
case 24:
visual = TRUECOLOR;
break;
default:
fprintf(stderr,"XILWindowAssistor:command(window), unknown depth %d!\n",Tk_Depth(window_->tkwin()));
visual = PSEUDOCOLOR;
break;
}
x_cmap = 0;
return (TCL_OK);
}
return (Renderer::command(argc, argv));
}
static int
tryPort(JNIEnv *env, jobject jxil, InstanceState *inst)
{
XilDataType datatype;
int i;
inst->signal = 0;
inst->inWidth = 0;
inst->inHeight = 0;
xil_set_device_attribute(inst->rtvc_image, "PORT_V", (void *)inst->port);
/* Debug Message */
PRINT("XILCapture xil_set_device_attribute() completed \n");
/*
* On a busy system attempts to get the signal format fail so try
* multiple times. In addition, some video sources (like VCRs)
* have a poor signal unless actively transmitting so signal format
* may report unknown (0).
*/
for (i = 0; i < 10; i++) {
if (xil_get_device_attribute(inst->rtvc_image, "FORMAT_V",
(void **) &inst->signal) == XIL_SUCCESS)
break;
}
/* Debug Message */
if (inst->signal == 0) {
/* signal format unknown, may not be a camera or video source */
PRINT("XILCapture xil_get_device_attribute() == unknown signal \n");
}
xil_get_info(inst->rtvc_image, &inst->inWidth, &inst->inHeight,
&inst->inBands, &datatype);
/* Debug Message */
PRINT("XILCapture xil_get_info() completed \n");
return 1;
}