public void Open(string filename)
{
Release();
capture.ptr = IntPtr.Zero;
asImage = null;
string ext = System.IO.Path.GetExtension(filename);
// if the extension of the filename is not AVI, try opening as an image.
if (ext.ToUpper().CompareTo(".AVI") != 0)
{
asImage = new CVImage(filename);
}
else
{
capture = PInvoke.cvCreateFileCapture(filename);
CVUtils.CheckLastError();
if (capture.ptr == IntPtr.Zero)
{
throw new CVException(
string.Format("Unable to open file '{0}' for capture.", filename));
}
}
this.filename = filename;
}
public CVCapture(int cameraId)
{
asImage = null;
capture = PInvoke.cvCreateCameraCapture(cameraId);
CVUtils.CheckLastError();
}
public CVCapture()
{
asImage = null;
capture = PInvoke.cvCreateCameraCapture((int)CV_CAP.CV_CAP_ANY);
CVUtils.CheckLastError();
}
public void Open(string filename)
{
Release();
capture.ptr = IntPtr.Zero;
asImage = null;
string ext = System.IO.Path.GetExtension(filename);
// if the extension of the filename is not AVI, try opening as an image.
if (ext.ToUpper().CompareTo(".AVI") != 0)
{
asImage = new CVImage(filename);
}
else
{
capture = PInvoke.cvCreateFileCapture(filename);
CVUtils.CheckLastError();
if (capture.ptr == IntPtr.Zero)
{
throw new CVException(
string.Format("Unable to open file '{0}' for capture.", filename));
}
}
this.filename = filename;
}
public static extern __IplImagePtr cvQueryFrame(__CvCapturePtr capture);
public static extern double cvGetCaptureProperty(__CvCapturePtr capture, int property_id);
public static extern int cvSetCaptureProperty(__CvCapturePtr capture, int property_id, double value);
public static extern void cvReleaseCapture(ref __CvCapturePtr capture);
public CVCapture(int cameraId)
{
asImage = null;
capture = PInvoke.cvCreateCameraCapture(cameraId);
CVUtils.CheckLastError();
}
public CVCapture()
{
asImage = null;
capture = PInvoke.cvCreateCameraCapture((int)CV_CAP.CV_CAP_ANY);
CVUtils.CheckLastError();
}
