private void Grab() { Mat mat = new Mat(); capture.Grab(); capture.Retrieve(mat); if (rec != null && !mat.Size.IsEmpty) { rec.Invoke(mat); } }
public void TestFileCaptureNonAscii() { String fileName = EmguAssert.GetFile("tree.avi"); String newName = fileName.Replace("tree.avi", "树.avi"); File.Copy(fileName, newName, true); VideoCapture capture = new VideoCapture(EmguAssert.GetFile(newName)); int counter = 0; using (Mat m = new Mat()) while (capture.Grab()) { capture.Retrieve(m); counter++; } Trace.WriteLine(String.Format("{0} frames found in file {1}", counter, newName)); }
public void TestCaptureFromFile() { using (VideoCapture capture = new VideoCapture(EmguAssert.GetFile( "tree.avi"))) using (VideoWriter writer = new VideoWriter("tree_invert.avi", 10, new Size(capture.Width, capture.Height), true)) { int maxCount = 10; Mat img = new Mat(); while (capture.Grab() && maxCount > 0) { capture.Retrieve(img); CvInvoke.BitwiseNot(img, img); writer.Write(img); maxCount--; } } }