Download PUMA2-- Short User Guide

2.3 Using the grabber library
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using namespace std;
// grab a maximum of 15 frames per second
static const float FPS = 15.0;
static const int NUM_FRAMES = 50;
int main(int argc, char **argv)
{
// get instance of GrabbingDeviceManager
GrabbingDeviceManager* myManager =GrabbingDeviceManager:: getGrabbingDeviceManager();
// check if supported devices are present
if ( ! myManager->getNumDevices())
{
cerr << "no supported devices found, sorry" << endl;
return EXIT_FAILURE;
}
// list all supported devices
myManager->printDeviceList();
unsigned int devNum = myManager->getNumDevices() +1 ;
while ( devNum >= myManager->getNumDevices() )
{
cout << "please enter device number" << endl;
cin >> devNum;
}
GrabbingDevice *myCam;
// connect to GrabbingDevice
bool camFound = myManager->connectGrabbingDevice( &myCam, devNum );
if ( !camFound ) return EXIT_FAILURE;
myCam->printFormatsList();
// choose first camera format which could be converted to rgb
myCam->setFormat2("width=* height=* in=* out=RGB");
// start capture process
myCam->startCapture();
// puma2 rgb image
ColorImageRGB8 image;
string filename;
// capture
for( int i
{
//
//
if
{
NUM_FRAMES frames
= 0; i < NUM_FRAMES; i++ )
usleep( (int) (1000000.0 / FPS) ); // should be "minus grabtime"
try to grab image and write it to disk
( myCam->grabImage( image ))
cout << "\b\b" << toString(i) << flush;
filename = "frame_" + toString( i ) + ".jpg";
// WARNING: writing png to disk is SLOW!
ImageWriter::writeImage(image, filename.c_str());
}
}
// stop capturing process
myCam->stopCapture();
delete myCam;
return EXIT_SUCCESS;