62 lines
1.2 KiB
C++
62 lines
1.2 KiB
C++
//C++
|
|
|
|
#include <iostream>
|
|
//include those opencv2 files in our program
|
|
#include "opencv2/opencv.hpp"
|
|
#include "opencv2/videoio.hpp"
|
|
#include "opencv2/highgui.hpp"
|
|
|
|
int FPS=30; //FPS variable. FPS is the framerate of your video, aka your recording device's
|
|
int DISCARD_DURATION=5;
|
|
bool isDiscardData=true;
|
|
int countDiscard=0;
|
|
|
|
int main(){
|
|
//Print "PPG algorithm" to terminal
|
|
//Note to self: std::endl; returns to line in terminal; use it everytime when done printing something.
|
|
std::cout << "PPG algorithm"<< std::endl;
|
|
|
|
cv::VideoCapture cap;
|
|
cap.open(0);
|
|
if (!cap.isOpened())
|
|
{
|
|
//Check if we can access the camera
|
|
std::cerr<<"[ERROR] unable to open camera!"<<std::endl;
|
|
return -2;
|
|
}
|
|
|
|
while (true)
|
|
{
|
|
if(isDiscardData)
|
|
{
|
|
countDiscard++;
|
|
if (countDiscard == DISCARD_DURATION*FPS)
|
|
{
|
|
isDiscardData=false;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
//Create a matrix to store the image from the cam
|
|
cv::Mat frame;
|
|
//Wait for a new frame from camera and store it into "frame"
|
|
cap.read(frame);
|
|
|
|
//Check if we succeeded
|
|
if (frame.empty())
|
|
{
|
|
std::cerr<<"[ERROR] Blank frame grabbed"<<std::endl;
|
|
break;
|
|
}
|
|
cv::imshow("Color", frame);
|
|
|
|
if (cv::waitKey(1000.0/FPS)>=0)
|
|
{
|
|
break;
|
|
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|