void readFrame()
{
if (!g_Depth.IsValid() && !g_Image.IsValid() && !g_IR.IsValid() && !g_Audio.IsValid()) // @@@dded
return;
XnStatus rc = XN_STATUS_OK;
if (g_pPrimary != NULL)
{
rc = g_Context.WaitOneUpdateAll(*g_pPrimary);
}
else
{
rc = g_Context.WaitAnyUpdateAll();
}
if (rc != XN_STATUS_OK)
{
printf("Error: %s\n", xnGetStatusString(rc));
}
if (g_Depth.IsValid())
{
g_Depth.GetMetaData(g_DepthMD);
}
if (g_Image.IsValid())
{
g_Image.GetMetaData(g_ImageMD);
}
if (g_IR.IsValid())
{
g_IR.GetMetaData(g_irMD);
}
if (g_Audio.IsValid())
{
g_Audio.GetMetaData(g_AudioMD);
}
}
void seekFrame(int nDiff)
{
XnStatus nRetVal = XN_STATUS_OK;
if (isPlayerOn())
{
const XnChar* strNodeName = NULL;
if (g_pPrimary != NULL)
{
strNodeName = g_pPrimary->GetName();
}
else if (g_Depth.IsValid())
{
strNodeName = g_Depth.GetName();
}
else if (g_Image.IsValid())
{
strNodeName = g_Image.GetName();
}
else if (g_IR.IsValid())
{
strNodeName = g_IR.GetName();
}
else if (g_Audio.IsValid())
{
strNodeName = g_Audio.GetName();
}
nRetVal = g_Player.SeekToFrame(strNodeName, nDiff, XN_PLAYER_SEEK_CUR);
if (nRetVal != XN_STATUS_OK)
{
displayMessage("Failed to seek: %s", xnGetStatusString(nRetVal));
return;
}
XnUInt32 nFrame = 0;
XnUInt32 nNumFrames = 0;
nRetVal = g_Player.TellFrame(strNodeName, nFrame);
if (nRetVal != XN_STATUS_OK)
{
displayMessage("Failed to tell frame: %s", xnGetStatusString(nRetVal));
return;
}
nRetVal = g_Player.GetNumFrames(strNodeName, nNumFrames);
if (nRetVal != XN_STATUS_OK)
{
displayMessage("Failed to get number of frames: %s", xnGetStatusString(nRetVal));
return;
}
displayMessage("Seeked %s to frame %u/%u", strNodeName, nFrame, nNumFrames);
}
}
const IRMetaData* getIRMetaData()
{
return g_IR.IsValid() ? &g_irMD : NULL;
}
IRGenerator* getIRGenerator()
{
return g_IR.IsValid() ? &g_IR : NULL;
}
