/*
* Class: com_sun_media_protocol_sunvideo_XILCapture
* Method: xilSetSkip
* Signature: (I)Z
*/
JNIEXPORT jboolean JNICALL
Java_com_sun_media_protocol_sunvideo_XILCapture_xilSetSkip(JNIEnv *env,
jobject jxil,
jint jskip)
{
InstanceState *inst = (InstanceState *) GetLongField(env, jxil, "peer");
if (inst == NULL)
return;
/* Debug Message*/
PRINT("In xilSetSkip\n");
/* TODO - may want to do a sanity check */
inst->skip = (int)jskip;
xil_set_device_attribute(inst->rtvc_image,
"IMAGE_SKIP", (void *)inst->skip);
}
void XILWindowAssistor::cell_install_cmap(
Colormap x_cmap, XilLookup cmap, XilIndexList *ilist
) {
int i, j, t;
XColor cdefs[256];
unsigned char cmap_data[3 * 256];
unsigned short cmapsize;
int cmapoffset;
XilColorList clist;
//fprintf(stderr,"XILWindowAssistor::"__FUNCTION__"\n");
cmapsize = xil_lookup_get_num_entries(cmap);
cmapoffset = xil_lookup_get_offset(cmap);
xil_lookup_get_values(cmap, cmapoffset, cmapsize, cmap_data);
for (i = 0, j = 0; i < (int) ilist->ncolors; i++, j += 3) {
t = (ilist->pixels[i] - cmapoffset) * 3;
cdefs[i].pixel = ilist->pixels[i];
cdefs[i].flags = DoRed | DoGreen | DoBlue;
cdefs[i].blue = cmap_data[t] << 8;
cdefs[i].green = cmap_data[t + 1] << 8;
cdefs[i].red = cmap_data[t + 2] << 8;
}
clist.ncolors = ilist->ncolors;
clist.colors = cdefs;
clist.cmap = x_cmap;
/* Setting XCOLORMAP accomplishes the same thing as:
* XStoreColors(display, x_cmap, cdefs, ilist->ncolors);
* XFlush( display );
* but goes through DGA (Direct Graphics Access). This is
* much faster.
*/
xil_set_device_attribute(displayimage_, "XCOLORMAP", &clist );
}
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;
}
