aare/examples/zmq_restream_example.cpp
2024-04-10 17:18:23 +02:00

87 lines
2.7 KiB
C++

#include <chrono>
#include <thread>
#include "aare/file_io/File.hpp"
#include "aare/network_io/ZmqSocketSender.hpp"
#include <boost/program_options.hpp>
using namespace aare;
using namespace std;
namespace po = boost::program_options;
int main(int argc, char **argv) {
aare::logger::set_verbosity(aare::logger::DEBUG);
po::options_description desc("Allowed options");
desc.add_options()("help", "produce help message")("file,f", po::value<string>(), "input file")(
"port,p", po::value<uint16_t>(), "port number")("fps", po::value<uint16_t>()->default_value(1),
"frames per second (default 1)")("loop,l",
"loop over the file");
po::positional_options_description pd;
pd.add("file", -1);
po::variables_map vm;
try {
auto parsed = po::command_line_parser(argc, argv).options(desc).positional(pd).run();
po::store(parsed, vm);
po::notify(vm);
} catch (const boost::program_options::error &e) {
cout << e.what() << "\n";
cout << desc << "\n";
return 1;
}
if (vm.count("help")) {
cout << desc << "\n";
return 1;
}
if (vm.count("file") != 1) {
aare::logger::error("file is required");
cout << desc << "\n";
return 1;
}
if (vm.count("port") != 1) {
aare::logger::error("file is required");
cout << desc << "\n";
return 1;
}
std::string path = vm["file"].as<string>();
uint16_t port = vm["port"].as<uint16_t>();
bool loop = vm.count("loop") == 1 ? true : false;
uint16_t fps = vm["fps"].as<uint16_t>();
aare::logger::debug("ARGS: file:", path, "port:", port, "fps:", fps, "loop:", loop);
auto d = round<std::chrono::milliseconds>(std::chrono::duration<double>{1. / fps});
aare::logger::debug("sleeping for", d.count(), "ms");
if (!std::filesystem::exists(path)) {
aare::logger::error("file does not exist");
return 1;
}
std::filesystem::path tmp(path);
File file(tmp, "r");
string endpoint = "tcp://*:" + std::to_string(port);
ZmqSocketSender sender(endpoint);
sender.bind();
std::this_thread::sleep_for(d); // slow joiner problem should fix this
for (size_t frameidx = 0; frameidx < file.total_frames(); frameidx++) {
Frame frame = file.read();
ZmqHeader header;
header.frameNumber = frameidx;
header.data = true;
header.npixelsx = frame.rows();
header.npixelsy = frame.cols();
header.dynamicRange = frame.bitdepth();
header.size = frame.size();
sender.send({header, frame});
std::this_thread::sleep_for(d);
}
}