private void M_capture_ImageGrabbed(object sender, EventArgs e)
{
// Console.WriteLine("test: " + startIndex.ToString());
// startIndex++;
destin = SaveRecordingLocation_textbox.Text;
if (fileChanged)
{
// destin = SaveRecordingLocation_textbox.Text;
totalFrames = m_capture.GetCaptureProperty(Emgu.CV.CvEnum.CapProp.FrameCount);
fps = m_capture.GetCaptureProperty(Emgu.CV.CvEnum.CapProp.Fps);
int fourcc = Convert.ToInt32(m_capture.GetCaptureProperty(Emgu.CV.CvEnum.CapProp.FourCC));
int frameHeight = Convert.ToInt32(m_capture.GetCaptureProperty(Emgu.CV.CvEnum.CapProp.FrameHeight));
int frameWidth = Convert.ToInt32(m_capture.GetCaptureProperty(Emgu.CV.CvEnum.CapProp.FrameWidth));
string destination = destin + i + ".avi";
videoWriter = new Emgu.CV.VideoWriter(destination, Emgu.CV.VideoWriter.Fourcc('I', 'Y', 'U', 'V'), fps, new System.Drawing.Size(frameWidth, frameHeight), true);
fileChanged = false;
}
Emgu.CV.Mat m = new Emgu.CV.Mat();
m_capture.Retrieve(m);
// pictureBox1.Image = m.ToImage<Bgr, byte>().Bitmap;
videoWriter.Write(m);
//throw new NotImplementedException();
}
private void Capture_ImageGrabbed(object sender, EventArgs e)
{
ActFrame = Convert.ToInt32(capture.GetCaptureProperty(CapProp.PosFrames));
capture.Retrieve(Frame);
//ProcessFrame(frame);
ProcessFrameBallSearch(Frame);
}
// OnEnable is called just after the object is enabled
void OnEnable()
{
if (useCamera)
{
capture = new Emgu.CV.VideoCapture(cameraId);
}
else if (videoPath != "")
{
capture = new Emgu.CV.VideoCapture(videoPath);
videoFrameCount = (int)capture.GetCaptureProperty(Emgu.CV.CvEnum.CapProp.FrameCount);
videoCaptureFps = (int)capture.GetCaptureProperty(Emgu.CV.CvEnum.CapProp.Fps);
}
else
{
return;
}
cc = new CascadeClassifier(CASCADE_PATH);
}
private void OpenFile(string fileName)
{
Mat imgOriginal = null;
try
{
imgOriginal = new Mat(fileName, ImreadModes.Color);
}
catch (Exception ex)
{
capture = new VideoCapture(fileName);
if (capture == null)
{
//lblTrackedColor.Text = "unable to open image, error: " + ex.Message;
return;
}
MaxFrames = Convert.ToInt32(capture.GetCaptureProperty(CapProp.FrameCount)) - 1;
ActFrame = 0;
capture.ImageGrabbed += Capture_ImageGrabbed;
capture.Start();
VideoState = VideoState.Running;
}
if (imgOriginal == null)
{
if (capture == null)
{
//lblTrackedColor.Text = "unable to open image";
return;
}
//imgOriginal = capture.QueryFrame();
}
else
{
ProcessFrame(imgOriginal);
}
UpdateUI();
}
public void showFrame()
{
if (this.InvokeRequired)
{
try
{
ShowFrameDelegate SD = new ShowFrameDelegate(showFrame);
this.BeginInvoke(SD);
}
catch { }
}
else
{
if (ext == ".jpg")
{
Emgu.CV.Mat matBefore = CvInvoke.Imread(Text_FilePath.Text);
Emgu.CV.Mat matAfter = CvInvoke.Imread(SaveFileName);
if (matBefore != null && matAfter != null)
{
// bitmap是GDI+的物件，所以使用一般釋放記憶體的方式(dispose)對於bitmap是無效的
// 要能夠成功的釋放GDI+物件所佔用的記憶體，必須要使用Windows GDI元件，才能有效的釋放掉bitmap所使用的記憶體
// 將Bitmap物件轉換為平台指標
IntPtr gdibitmapBefore = matBefore.Bitmap.GetHbitmap();
IntPtr gdibitmapAfter = matAfter.Bitmap.GetHbitmap();
// 將bitmap放入至PictureBox的Image屬性
File_Before.Image = Image.FromHbitmap(gdibitmapBefore);
File_After.Image = Image.FromHbitmap(gdibitmapAfter);
// 進行Bitmap資源的釋放
DeleteObject(gdibitmapBefore);
DeleteObject(gdibitmapAfter);
}
if (matBefore != null)
{
matBefore.Dispose();
}
if (matAfter != null)
{
matAfter.Dispose();
}
GC.Collect();
}
else if (FrameCount == 0 || State == (int)PlayState.PlayState_Play)
{
Emgu.CV.Mat matBefore = objVideoCapture_Before.QueryFrame();
Emgu.CV.Mat matAfter = objVideoCapture_After.QueryFrame();
if (matBefore != null && matAfter != null)
{
FrameCount = objVideoCapture_Before.GetCaptureProperty(Emgu.CV.CvEnum.CapProp.PosFrames);
// bitmap是GDI+的物件，所以使用一般釋放記憶體的方式(dispose)對於bitmap是無效的
// 要能夠成功的釋放GDI+物件所佔用的記憶體，必須要使用Windows GDI元件，才能有效的釋放掉bitmap所使用的記憶體
// 將Bitmap物件轉換為平台指標
IntPtr gdibitmapBefore = matBefore.Bitmap.GetHbitmap();
IntPtr gdibitmapAfter = matAfter.Bitmap.GetHbitmap();
// 將bitmap放入至PictureBox的Image屬性
File_Before.Image = Image.FromHbitmap(gdibitmapBefore);
File_After.Image = Image.FromHbitmap(gdibitmapAfter);
// 進行Bitmap資源的釋放
DeleteObject(gdibitmapBefore);
DeleteObject(gdibitmapAfter);
}
if (matBefore != null)
{
matBefore.Dispose();
}
if (matAfter != null)
{
matAfter.Dispose();
}
GC.Collect();
}
}
}
