Accessing 200 fps from SR300

[SPate12]

I got a code from open source for accessing raw streams from IR camera. This is the code (with some edits from my side):

# include

# include

# include "pxcsensemanager.h"

# include "util_render.h" //SDK provided utility class used for rendering (packaged in libpxcutils.lib)

// maximum number of frames to process if user did not close the rendering window

# define MAX_FRAMES 500

int wmain(int argc, WCHAR* argv[]) {

UtilRender *renderDepth = new UtilRender(L"DEPTH STREAM");

// create the PXCSenseManager

float fps = 120;

PXCSenseManager *psm=0;

psm = PXCSenseManager::CreateInstance();

if (!psm) {

wprintf_s(L"Unable to create the PXCSenseManager\n");

return 1;

}

psm->EnableStream(PXCCapture::STREAM_TYPE_IR,640,480,fps);

psm->EnableFace();

wprintf_s(L"test Init1\n");

// initialize the PXCSenseManager

if(psm->Init() != PXC_STATUS_NO_ERROR) return 2;

PXCImage *depthIm;

for (int i=0; i

// This function blocks until all streams are ready (depth and color)

// if false streams will be unaligned

if (psm->AcquireFrame(true)

// retrieve all available image samples

PXCCapture::Sample *sample = psm->QuerySample();

PXCFaceModule *face2=psm->QueryFace();

if (face2) {

wprintf_s(L"We have a face here......!!!!\n");

}

// retrieve the image or frame by type from the sample

depthIm = sample->ir;

// render the frame

if (!renderDepth->RenderFrame(depthIm)) break;

// release or unlock the current frame to fetch the next frame

psm->ReleaseFrame();

}

// close the last opened streams and release any session and processing module instances

psm->Release();

system("pause");

return 0;

}

Now, in the above code, the moment I enter

float fps = 60;

My code is running fine. But, the moment I enter

float fps = 120;

I am getting an error

"Native' has exited with code 2 (0x2)."

However, as per the pdf document "realsense-sr300-product-datasheet-rev-1-0.pdf", we find that the SR300 must be able to give us data corresponding to 200 fps and less. However, we find that any value beyond 60 fps in the above code gives us an error.

Can anyone please suggest whether you have a solution to this problem.

[idata]

Hi VPP,

Thanks for your interest in the Intel® RealSense Platform. We appreciate all the information provided. We would like to investigate a little bit more and as soon as we find useful information we'll let you know. We appreciate your patience during the meantime. Regards,-Yermi

[SPate12]

Hi Yermi,

Thank you for your response to my request for information regarding SR300. I am eagerly waiting for the information from you, so that I can proceed further in my work.

This is my gentle remainder regarding the same.

Regards,

[idata]

Hi VPP,

We're still working on it, we hope to update you as soon as possible. Thanks for your patience. Regards,-Yermi

[idata]

Hi VPP,

We apology for the delay. As the document states, the highest effective frame rate for depth at VGA resolution is 60fps. The IR camera's 200 fps is the maximum frame rate as defined by the number of patterns the IR camera can emit onto a scene. The effective frame rate is always less than the maximum IR frame rate (in this case 60 fps). The camera uses the reflections from multiple IR patterns to create depth frames. Hope this information helps. Regards,-Yermi