void Wavefunction<Rank>::AllocateData()
{
blitz::TinyVector<int, Rank> shape = Repr->GetInitialShape();
int name = AllocateData(shape);
SetActiveBuffer(name);
}
/****************************************************************************
REMARKS:
Does a simple overlay buffer static video capture test. The overlay will
show what is coming in via the video capture engine.
****************************************************************************/
static int staticTest(
GA_videoFuncs *video,
GA_videoCaptureFuncs *capture,
GA_captureInputTypes input,
GA_captureStandardTypes standard,
GA_VideoCaptureInf *captureInfo)
{
int key,x,y,width = DEF_WIDTH,height = DEF_HEIGHT;
int centerX, centerY;
ibool done = false,freezeInput = false,newFreezeInput = false;
GA_captureBuf *captureBuf = NULL;
GA_buf *primaryVideo = NULL;
int outputHead = init.GetActiveHead();
char str[80];
/* Draw background for video overlay */
SetActivePage(0);
ClearPage(0);
moire(defcolor);
if (maxX >= 479)
gmoveto(80,80);
else
gmoveto(8,40);
gprintf("Video capture static test"); y += 16;
displaymodeInfo();
gprintf("Press any key to continue");
if (EVT_getch() == 0x1B)
return 0x1B;
/* Use larger overlay window for higher resolutions */
if (modeInfo.XResolution >= 1280) {
width *= 2;
height *= 2;
}
else if (modeInfo.XResolution <= DEF_WIDTH) {
width /= 2;
height /= 2;
}
/* Allocate the source video buffer */
if ((captureBuf = capture->AllocCaptureBuffer(width,height,captureInfo->VideoFormat,1)) == NULL) {
displayError("Unable to allocate video capture buffer!");
return 0x1B;
}
primaryVideo = captureBuf->VideoBuffers;
centerX = (maxX - primaryVideo->Width)/2;
centerY = (maxY - primaryVideo->Height)/2;
/* Set up for single buffer video overlay */
SetActiveBuffer(primaryVideo);
ClearVideoBuffer(primaryVideo);
/* Set the video output window */
x = centerX;
y = centerY;
if (!video->SetVideoOutput(0,outputHead,primaryVideo,
0,0,primaryVideo->Width,primaryVideo->Height,
x,y,primaryVideo->Width,primaryVideo->Height,0)) {
displayError("Unable to set video output window!");
return 0x1B;
}
/* Set up the video capture and start it */
capture->SetVideoInput(captureBuf,input,standard,0,false);
capture->StartLiveVideo(captureBuf);
/* Now loop around and display the video capture */
sprintf(str,"%d x %d %d bit %s overlay",primaryVideo->Width,primaryVideo->Height,
primaryVideo->BitsPerPixel,displayFormat(primaryVideo->Format));
if (width < DEF_WIDTH)
WriteText(8,60,displayFormat(primaryVideo->Format),defcolor);
else
WriteText(8,80,str,defcolor);
while (!done) {
if (handleKeypress(&key,&newFreezeInput))
break;
if (freezeInput != newFreezeInput) {
freezeInput = newFreezeInput;
if (freezeInput)
capture->FreezeLiveVideo(captureBuf,gaCaptureFieldAny);
else
capture->StartLiveVideo(captureBuf);
}
}
SetActivePage(0);
video->DisableVideoOutput(0);
capture->FreeCaptureBuffer(captureBuf);
return key;
}
