OpenCV/opencv/modules/video/perf/perf_main.cpp

#include "perf_precomp.hpp"

#if defined(HAVE_HPX)
    #include <hpx/hpx_main.hpp>
#endif

static
void initTests()
{
    const char* extraTestDataPath =
#ifdef WINRT
        NULL;
#else
        getenv("OPENCV_DNN_TEST_DATA_PATH");
#endif
    if (extraTestDataPath)
        cvtest::addDataSearchPath(extraTestDataPath);

    cvtest::addDataSearchSubDirectory("");  // override "cv" prefix below to access without "../dnn" hacks
}

CV_PERF_TEST_MAIN(video, initTests())