void changePrimaryStream(int nIndex)
{
if (nIndex == 0)
{
g_pPrimary = NULL;
return;
}
XnProductionNodeType Type;
xnProductionNodeTypeFromString(g_PrimaryStream.pValues[nIndex], &Type);
switch (Type)
{
case XN_NODE_TYPE_DEPTH:
g_pPrimary = getDepthGenerator();
break;
case XN_NODE_TYPE_IMAGE:
g_pPrimary = getImageGenerator();
break;
case XN_NODE_TYPE_IR:
g_pPrimary = getIRGenerator();
break;
case XN_NODE_TYPE_AUDIO:
g_pPrimary = getAudioGenerator();
break;
}
}
bool captureOpenWriteDevice()
{
XnStatus nRetVal = XN_STATUS_OK;
NodeInfoList recordersList;
nRetVal = g_Context.EnumerateProductionTrees(XN_NODE_TYPE_RECORDER, NULL, recordersList);
START_CAPTURE_CHECK_RC(nRetVal, "Enumerate recorders");
// take first
NodeInfo chosen = *recordersList.Begin();
nRetVal = g_Context.CreateProductionTree(chosen);
START_CAPTURE_CHECK_RC(nRetVal, "Create recorder");
g_Capture.pRecorder = new Recorder;
nRetVal = chosen.GetInstance(*g_Capture.pRecorder);
START_CAPTURE_CHECK_RC(nRetVal, "Get recorder instance");
nRetVal = g_Capture.pRecorder->SetDestination(XN_RECORD_MEDIUM_FILE, g_Capture.csFileName);
START_CAPTURE_CHECK_RC(nRetVal, "Set output file");
if (getDevice() != NULL)
{
nRetVal = g_Capture.pRecorder->AddNodeToRecording(*getDevice(), XN_CODEC_UNCOMPRESSED);
START_CAPTURE_CHECK_RC(nRetVal, "add device node");
}
if (isDepthOn() && (g_Capture.DepthFormat != CODEC_DONT_CAPTURE))
{
nRetVal = g_Capture.pRecorder->AddNodeToRecording(*getDepthGenerator(), g_Capture.DepthFormat);
START_CAPTURE_CHECK_RC(nRetVal, "add depth node");
}
if (isImageOn() && (g_Capture.ImageFormat != CODEC_DONT_CAPTURE))
{
nRetVal = g_Capture.pRecorder->AddNodeToRecording(*getImageGenerator(), g_Capture.ImageFormat);
START_CAPTURE_CHECK_RC(nRetVal, "add image node");
}
if (isIROn() && (g_Capture.IRFormat != CODEC_DONT_CAPTURE))
{
nRetVal = g_Capture.pRecorder->AddNodeToRecording(*getIRGenerator(), g_Capture.IRFormat);
START_CAPTURE_CHECK_RC(nRetVal, "add IR stream");
}
if (isAudioOn() && (g_Capture.AudioFormat != CODEC_DONT_CAPTURE))
{
nRetVal = g_Capture.pRecorder->AddNodeToRecording(*getAudioGenerator(), g_Capture.AudioFormat);
START_CAPTURE_CHECK_RC(nRetVal, "add Audio stream");
}
return true;
}
void drawPointerMode(IntPair* pPointer)
{
char buf[512] = "";
int nCharWidth = glutBitmapWidth(GLUT_BITMAP_HELVETICA_18, '0');
int nPointerValue = 0;
XnDouble dTimestampDivider = 1E6;
const DepthMetaData* pDepthMD = getDepthMetaData();
if (pDepthMD != NULL)
{
// Print the scale black background
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glBegin(GL_QUADS);
glColor4f(0, 0, 0, 0.7);
glVertex2i(0, WIN_SIZE_Y); // lower left
glVertex2i(WIN_SIZE_X, WIN_SIZE_Y);
glVertex2i(WIN_SIZE_X, WIN_SIZE_Y - 135);
glVertex2i(0, WIN_SIZE_Y - 135);
glEnd();
glDisable(GL_BLEND);
// set a large point size (for the scale)
glPointSize(15);
// Print the scale data
glBegin(GL_POINTS);
for (int i = 0; i < pDepthMD->ZRes(); i+=1)
{
float fNewColor = g_pDepthHist[i];
if ((fNewColor > 0.004) && (fNewColor < 0.996))
{
glColor3f(fNewColor, fNewColor, 0);
glVertex3f(((i/10)*2), WIN_SIZE_Y - 23, 1);
}
}
glEnd();
// Print the pointer scale data
if (pPointer != NULL)
{
// make sure pointer in on a depth pixel (take in mind cropping might be in place)
IntPair pointerInDepth = *pPointer;
pointerInDepth.X -= pDepthMD->XOffset();
pointerInDepth.Y -= pDepthMD->YOffset();
if (pointerInDepth.X < (int)pDepthMD->XRes() && pointerInDepth.Y < (int)pDepthMD->YRes())
{
nPointerValue = (*pDepthMD)(pointerInDepth.X, pointerInDepth.Y);
glBegin(GL_POINTS);
glColor3f(1,0,0);
glVertex3f(10 + ((nPointerValue/10)*2), WIN_SIZE_Y - 70, 1);
glEnd();
}
}
// Print the scale texts
for (int i = 0; i < pDepthMD->ZRes()/10; i+=25)
{
int xPos = i*2 + 10;
// draw a small line in this position
glBegin(GL_LINES);
glColor3f(0, 1, 0);
glVertex2i(xPos, WIN_SIZE_Y - 54);
glVertex2i(xPos, WIN_SIZE_Y - 62);
glEnd();
// place a label under, and in the middle of, that line.
int chars = sprintf(buf, "%d", i);
glColor3f(1,0,0);
glRasterPos2i(xPos - chars*nCharWidth/2, WIN_SIZE_Y - 40);
glPrintString(GLUT_BITMAP_HELVETICA_18,buf);
}
sprintf(buf, "%s - Frame %4u, Timestamp %.3f", getDepthGenerator()->GetInfo().GetInstanceName(), pDepthMD->FrameID(), (double)pDepthMD->Timestamp()/dTimestampDivider);
}
const ImageMetaData* pImageMD = getImageMetaData();
if (pImageMD != NULL)
{
if (buf[0] != '\0')
sprintf(buf + strlen(buf), " | ");
sprintf(buf + strlen(buf), "%s - Frame %4u, Timestamp %.3f", getImageGenerator()->GetInfo().GetInstanceName(), pImageMD->FrameID(), (double)pImageMD->Timestamp()/dTimestampDivider);
}
const IRMetaData* pIRMD = getIRMetaData();
if (pIRMD != NULL)
{
if (buf[0] != '\0')
sprintf(buf + strlen(buf), " | ");
sprintf(buf + strlen(buf), "%s - Frame %4u, Timestamp %.3f", getIRGenerator()->GetInfo().GetInstanceName(), pIRMD->FrameID(), (double)pIRMD->Timestamp()/dTimestampDivider);
}
const AudioMetaData* pAudioMD = getAudioMetaData();
if (pAudioMD != NULL)
{
if (buf[0] != '\0')
sprintf(buf + strlen(buf), " | ");
sprintf(buf + strlen(buf), "%s - Timestamp %.3f", getAudioGenerator()->GetInfo().GetInstanceName(), (double)pAudioMD->Timestamp()/dTimestampDivider);
}
int nYLocation = WIN_SIZE_Y - 88;
glColor3f(1,0,0);
glRasterPos2i(10,nYLocation);
glPrintString(GLUT_BITMAP_HELVETICA_18, buf);
nYLocation -= 26;
if (pPointer != NULL && isStatisticsActive())
{
XnPixelStatistics* pStatistics = &g_PixelStatistics[pPointer->Y * pDepthMD->XRes() + pPointer->X];
sprintf(buf, "Collected: %3u, Min: %4u Max: %4u Avg: %6.2f StdDev: %6.2f",
pStatistics->nCount, pStatistics->nMin, pStatistics->nMax, pStatistics->dAverage, pStatistics->dStdDev);
glRasterPos2i(10,nYLocation);
glPrintString(GLUT_BITMAP_HELVETICA_18, buf);
nYLocation -= 26;
}
if (pPointer != NULL)
{
// Print the pointer text
XnUInt64 nCutOffMin = 0;
XnUInt64 nCutOffMax = (pDepthMD != NULL) ? g_nMaxDepth : 0;
XnChar sPointerValue[100];
if (nPointerValue != g_nMaxDepth)
{
sprintf(sPointerValue, "%.1f", (float)nPointerValue/10);
}
else
{
sprintf(sPointerValue, "-");
}
sprintf(buf, "Pointer Value: %s (X:%d Y:%d) Cutoff: %llu-%llu.",
sPointerValue, pPointer->X, pPointer->Y, nCutOffMin, nCutOffMax);
glRasterPos2i(10,nYLocation);
glPrintString(GLUT_BITMAP_HELVETICA_18, buf);
nYLocation -= 26;
}
}
void captureSetAudioFormat(int format)
{
captureSetFormat(&g_Capture.AudioFormat, format, *getAudioGenerator());
}
