Image Manager/Cvb++/CppStreamConsole

This example program is located in your CVB installation under %CVB%Tutorial/Image Manager/Cvb++/CppStreamConsole.

main.cpp:

// The CppStreamConsole example shows how to stream from a GenICam device.
// ---------------------------------------------------------------------------

// ---------------------------------------------------------------------------
 
#include <iostream>
 
#include <cvb/device_factory.hpp>
#include <cvb/utilities/system_info.hpp>
#include <cvb/driver/stream.hpp>
 
int main(int argc, char* argv[])
{
 
 
  try
  {
    auto path = Cvb::InstallPath();
    path += CVB_LIT("drivers/GenICam.vin");
    // use command line argument if provided.
    if (argc > 1)
    {
      std::string inputPath(argv[1]);
      path = Cvb::String(inputPath.begin(), inputPath.end());
    }
    // expand environment variables in path
    path = Cvb::ExpandPath(path);
 
    // open a device
    auto device = Cvb::DeviceFactory::Open(path, Cvb::AcquisitionStack::Vin);
 
    // get the first stream of the device
    // to get another stream call Stream(index)
    auto stream = device->Stream();
 
    // start the stream - start the acquisition
    stream->Start();
 
    for (int i = 0; i < 10; ++i)
    {
      // wait for an image with a timeout of 10 seconds
      auto waitResult = stream->WaitFor(std::chrono::seconds(10));
      if (waitResult.Status == Cvb::WaitStatus::Timeout)
        throw std::runtime_error("acquisition timeout");
 
      // get the timestamp of the image (usually a large integer number mapped to double - so better use fixed formatting)
      std::cout << "Acquired image... " << std::fixed << waitResult.Image->RawTimestamp() << std::endl;
    }
 
    // synchronously stop the stream
    stream->Stop();
  }
  catch (const std::exception& error)
  {
    std::cout << error.what() << std::endl;
  }
}