public VideoInterpreter(string pathToVideoSource, string pathToXmlFile, Dispatcher dispatcher)
{
//sets variables that are not passed
this.showWindow = false;
numCarsInLot = 0;
steady = 0;
oldNumCarsInLot = 0;
fps = 60;
frameWidth = 1920;
frameHeight = 1080;
didStart = false;
didStop = false;
didEnter = false;
frCt = 0;
CarDidEnter = null;
CarDidLeave = null;
this.pathToVideoSource = pathToVideoSource;
this.dispatcher = dispatcher;
//sets up video stream pull
vCapture = new Emgu.CV.VideoCapture(pathToVideoSource);
if (fps > 0)
{
vCapture.SetCaptureProperty(Emgu.CV.CvEnum.CapProp.Fps, fps);
}
vCapture.SetCaptureProperty(Emgu.CV.CvEnum.CapProp.FrameWidth, frameWidth);
vCapture.SetCaptureProperty(Emgu.CV.CvEnum.CapProp.FrameHeight, frameHeight);
casc = new Emgu.CV.CascadeClassifier(pathToXmlFile);
}
public void EmguCvCaptureVideoStream(string url, Action <Emgu.CV.Mat> action)
{
using Emgu.CV.VideoCapture capture = new Emgu.CV.VideoCapture(url, Emgu.CV.VideoCapture.API.Any);
if (capture.IsOpened == false)
{
return;
}
using Emgu.CV.Mat frame = capture.QueryFrame();
while (_stopPlay == false)
{
if (capture.Read(frame)) //capture.Retrieve(frame)// 无法继续读取
{
if (!frame.IsEmpty)
{
action?.Invoke(frame);
}
}
}
frame.Dispose();
capture.Dispose();
}
