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//! \example tutorial-grabber-1394.cpp
#include <visp3/core/vpConfig.h>
#include <visp3/core/vpImage.h>
#include <visp3/gui/vpDisplayFactory.h>
#include <visp3/io/vpImageStorageWorker.h>
#include <visp3/sensor/vp1394TwoGrabber.h>
void usage(const char *argv[], int error);
void usage(const char *argv[], int error)
{
std::cout << "SYNOPSIS" << std::endl
<< " " << argv[0] << " [--change-settings]"
<< " [--seqname <sequence name>]"
<< " [--record <mode>]"
<< " [--no-display]"
<< " [--help] [-h]" << std::endl
<< std::endl;
std::cout << "DESCRIPTION" << std::endl
<< " --change-settings" << std::endl
<< " Force camera settings to acquire 640x480 images in M0NO8 at 60 fps." << std::endl
<< std::endl
<< " --seqname <sequence name>" << std::endl
<< " Name of the sequence of image to create (ie: /tmp/image%04d.jpg)." << std::endl
<< " Default: empty." << std::endl
<< std::endl
<< " --record <mode>" << std::endl
<< " Allowed values for mode are:" << std::endl
<< " 0: record all the captures images (continuous mode)," << std::endl
<< " 1: record only images selected by a user click (single shot mode)." << std::endl
<< " Default mode: 0" << std::endl
<< std::endl
<< " --no-display" << std::endl
<< " Disable displaying captured images." << std::endl
<< " When used and sequence name specified, record mode is internally set to 1 (continuous mode)."
<< std::endl
<< std::endl
<< " --help, -h" << std::endl
<< " Print this helper message." << std::endl
<< std::endl;
std::cout << "USAGE" << std::endl
<< " Example to visualize images:" << std::endl
<< " " << argv[0] << std::endl
<< std::endl
<< " Examples to record a sequence:" << std::endl
<< " " << argv[0] << " --seqname I%04d.png" << std::endl
<< " " << argv[0] << " --seqname folder/I%04d.png --record 0" << std::endl
<< std::endl
<< " Examples to record single shot images:\n"
<< " " << argv[0] << " --seqname I%04d.png --record 1\n"
<< " " << argv[0] << " --seqname folder/I%04d.png --record 1" << std::endl
<< std::endl;
if (error) {
std::cout << "Error" << std::endl
<< " "
<< "Unsupported parameter " << argv[error] << std::endl;
}
}
int main(int argc, const char *argv[])
{
#if defined(VISP_HAVE_DC1394) && defined(VISP_HAVE_THREADS)
#ifdef ENABLE_VISP_NAMESPACE
using namespace VISP_NAMESPACE_NAME;
#endif
#if (VISP_CXX_STANDARD >= VISP_CXX_STANDARD_11)
std::shared_ptr<vpDisplay> display;
#else
vpDisplay *display = nullptr;
#endif
try {
std::string opt_seqname;
int opt_record_mode = 0;
bool opt_change_settings = false;
bool opt_display = true;
for (int i = 1; i < argc; i++) {
if (std::string(argv[i]) == "--change-settings") {
opt_change_settings = true;
}
else if (std::string(argv[i]) == "--seqname" && i + 1 < argc) {
opt_seqname = std::string(argv[++i]);
i++;
}
else if (std::string(argv[i]) == "--record" && i + 1 < argc) {
opt_record_mode = std::atoi(argv[++i]);
i++;
}
else if (std::string(argv[i]) == "--no-display") {
opt_display = false;
}
else if (std::string(argv[i]) == "--help" || std::string(argv[i]) == "-h") {
usage(argv, 0);
return EXIT_SUCCESS;
}
else {
usage(argv, i);
return EXIT_FAILURE;
}
}
if ((!opt_display) && (!opt_seqname.empty())) {
opt_record_mode = 0;
}
std::cout << "Settings : " << (opt_change_settings ? "modified" : "current") << std::endl;
std::cout << "Recording : " << (opt_seqname.empty() ? "disabled" : "enabled") << std::endl;
std::cout << "Display : " << (opt_display ? "enabled" : "disabled") << std::endl;
std::string text_record_mode =
std::string("Record mode: ") + (opt_record_mode ? std::string("single") : std::string("continuous"));
if (!opt_seqname.empty()) {
std::cout << text_record_mode << std::endl;
std::cout << "Record name: " << opt_seqname << std::endl;
}
vpImage<vpRGBa> I; // Create a color image container
bool reset = false; // Disable bus reset during construction (default)
//! [vp1394TwoGrabber construction]
vp1394TwoGrabber g(reset); // Create a grabber based on libdc1394-2.x third party lib
//! [vp1394TwoGrabber construction]
//! [vp1394TwoGrabber settings]
if (opt_change_settings) {
try {
g.setVideoMode(vp1394TwoGrabber::vpVIDEO_MODE_640x480_MONO8);
g.setFramerate(vp1394TwoGrabber::vpFRAMERATE_60);
}
catch (...) { // If settings are not available just catch exception to continue with default settings
std::cout << "Warning: cannot modify camera settings" << std::endl;
}
}
//! [vp1394TwoGrabber settings]
//! [vp1394TwoGrabber open]
g.open(I);
//! [vp1394TwoGrabber open]
std::cout << "Image size : " << I.getWidth() << " " << I.getHeight() << std::endl;
if (opt_display) {
#if !(defined(VISP_HAVE_DISPLAY))
std::cout << "No image viewer is available..." << std::endl;
opt_display = false;
#endif
}
if (opt_display) {
#if (VISP_CXX_STANDARD >= VISP_CXX_STANDARD_11)
display = vpDisplayFactory::createDisplay(I);
#else
display = vpDisplayFactory::allocateDisplay(I);
#endif
}
vpImageQueue<vpRGBa> image_queue(opt_seqname, opt_record_mode);
vpImageStorageWorker<vpRGBa> image_storage_worker(std::ref(image_queue));
std::thread image_storage_thread(&vpImageStorageWorker<vpRGBa>::run, &image_storage_worker);
bool quit = false;
while (!quit) {
double t = vpTime::measureTimeMs();
//! [vp1394TwoGrabber acquire]
g.acquire(I);
//! [vp1394TwoGrabber acquire]
vpDisplay::display(I);
//! [vp1394TwoGrabber click to exit]
quit = image_queue.record(I);
//! [vp1394TwoGrabber click to exit]
std::stringstream ss;
ss << "Acquisition time: " << std::setprecision(3) << vpTime::measureTimeMs() - t << " ms";
vpDisplay::displayText(I, I.getHeight() - 20, 10, ss.str(), vpColor::red);
vpDisplay::flush(I);
}
image_queue.cancel();
image_storage_thread.join();
}
catch (const vpException &e) {
std::cout << "Catch an exception: " << e << std::endl;
}
#if (VISP_CXX_STANDARD < VISP_CXX_STANDARD_11)
if (display != nullptr) {
delete display;
}
#endif
#else
(void)argc;
(void)argv;
#ifndef VISP_HAVE_DC1394
std::cout << "Install libdc1394, configure and build ViSP again to use this example" << std::endl;
#endif
#if (VISP_CXX_STANDARD < VISP_CXX_STANDARD_11)
std::cout << "This tutorial should be built with c++11 support" << std::endl;
#endif
#endif
}
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