Files
allwpilib/cscore/examples/usbcvstream/usbcvstream.cpp

36 lines
1.1 KiB
C++

// Copyright (c) FIRST and other WPILib contributors.
// Open Source Software; you can modify and/or share it under the terms of
// the WPILib BSD license file in the root directory of this project.
#include <fmt/core.h>
#include <opencv2/core/core.hpp>
#include "cscore.h"
#include "cscore_cv.h"
int main() {
cs::UsbCamera camera{"usbcam", 0};
camera.SetVideoMode(cs::VideoMode::kMJPEG, 320, 240, 30);
cs::MjpegServer mjpegServer{"httpserver", 8081};
mjpegServer.SetSource(camera);
cs::CvSink cvsink{"cvsink"};
cvsink.SetSource(camera);
cs::CvSource cvsource{"cvsource", cs::VideoMode::kMJPEG, 320, 240, 30};
cs::MjpegServer cvMjpegServer{"cvhttpserver", 8082};
cvMjpegServer.SetSource(cvsource);
cv::Mat test;
cv::Mat flip;
for (;;) {
uint64_t time = cvsink.GrabFrame(test);
if (time == 0) {
fmt::print("error: {}\n", cvsink.GetError());
continue;
}
fmt::print("got frame at time {} size ({}, {})\n", time, test.size().width,
test.size().height);
cv::flip(test, flip, 0);
cvsource.PutFrame(flip);
}
}