private static double getFps(CvCapture capture)
{
while (capture.QueryFrame() == null)
{
/* start camera */
}
double counter = 0;
double seconds = 0;
var watch = Stopwatch.StartNew();
while (capture.QueryFrame() != null)
{
counter++;
seconds = watch.ElapsedMilliseconds / (double)1000;
if (seconds >= 3)
{
watch.Stop();
break;
}
}
var fps = counter / seconds;
return fps;
}
void Start () {
moveVec = new Vector3(0,0,0);
cap = CvCapture.FromCamera (0);
w = new CvWindow("Original");
IplImage frame = cap.QueryFrame ();
cols = frame.Width;
rows = frame.Height;
myTexture2D = new Texture2D(cols/2, rows/2);
prvs = new IplImage(cols, rows, BitDepth.U8, 1);
frame.CvtColor (prvs, ColorConversion.BgrToGray);
}
public BgSubtractorMOG()
{
using (CvCapture capture = new CvCapture(Const.MovieHara)) // specify your movie file
using (BackgroundSubtractorMOG mog = new BackgroundSubtractorMOG())
using (CvWindow windowSrc = new CvWindow("src"))
using (CvWindow windowDst = new CvWindow("dst"))
{
IplImage imgFrame;
using (Mat imgFg = new Mat())
while ((imgFrame = capture.QueryFrame()) != null)
{
mog.Run(new Mat(imgFrame, false), imgFg, 0.01);
windowSrc.Image = imgFrame;
windowDst.Image = imgFg.ToIplImage();
Cv.WaitKey(50);
}
}
}
void Awake()
{
_cap = new CvCapture(0);
_capImage = _cap.QueryFrame();
_capRgbImage = new IplImage(_capImage.Width, _capImage.Height, BitDepth.U8, 3);
Debug.Log(string.Format("Capture info : size{0}", _capImage.Size));
_capGrayImage0 = new IplImage(_capImage.Size, BitDepth.U8, 1);
_capGrayImage1 = new IplImage(_capImage.Size, BitDepth.U8, 1);
_pyramidImage0 = new IplImage(new CvSize(_capImage.Width + 8, _capImage.Height/3), BitDepth.U8, 1);
_pyramidImage1 = new IplImage(new CvSize(_capImage.Width + 8, _capImage.Height/3), BitDepth.U8, 1);
_eigImage = new IplImage(_capImage.Size, BitDepth.F32, 1);
_tmpImage = new IplImage(_capImage.Size, BitDepth.F32, 1);
Cv.ConvertImage(_capImage, _capGrayImage0, 0);
width = _capImage.Width;
height = _capImage.Height;
_opticalFlowWinSize = new CvSize(opticalFlowWinSize, opticalFlowWinSize);
_opticalFlowCrit = new CvTermCriteria(CriteriaType.Iteration | CriteriaType.Epsilon, ofCritIterations, ofCritError);
_prevTime = _currTime = UnityEngine.Time.time;
}
private void videoAçToolStripMenuItem_Click(object sender, EventArgs e)
{
OpenFileDialog opd = new OpenFileDialog();
if (opd.ShowDialog() == DialogResult.OK && opd.FileName.Length > 3)
{
cap = CvCapture.FromFile(opd.FileName);
img = cap.QueryFrame();
uLastFrame = (UInt16)cap.FrameCount;
Size newSize = new Size(img.Width, img.Height);
ekran.Size = newSize;
ekran.Image = img.ToBitmap();
uCurrentFrameNo = 1;
frameText.Text = uCurrentFrameNo.ToString();
newVideoOpened = true;
}
}
private void FormatVideo()
{
cap = CvCapture.FromFile(fileName);
uLastFrame = (UInt16)cap.FrameCount;
img = cap.QueryFrame();
CvVideoWriter newVideo = new CvVideoWriter("videoFormated.avi", FourCC.Default ,cap.Fps, img.Size);
setProgressBarMargins(0, uLastFrame);
for (int i = 1; i < uLastFrame; i++ )
{
img = cap.QueryFrame();
if (img == null) break;
newVideo.WriteFrame(img);
setProgressBarValue(i);
}
newVideo.Dispose();
setProgressBarValue(0);
}
private void workerDoReadVideo(object sender, DoWorkEventArgs e)
{
using (var capture = new CvCapture(@"..\..\Videos\drop.avi"))
{
var interval = (int)(1000 / capture.Fps);
IplImage image;
while ((image = capture.QueryFrame()) != null &&
_worker != null && !_worker.CancellationPending)
{
_worker.ReportProgress(0, image);
Thread.Sleep(interval);
}
}
}
