Пример #1
0
        void IAMMove(VideoCaptureDevice d, CameraControlProperty p, int i)
        {
            int v, minv, maxv, stepSize, defVal;
            CameraControlFlags f, cf;
            d.GetCameraProperty(p, out v, out f);
            d.GetCameraPropertyRange(p, out minv, out maxv, out stepSize, out defVal, out cf);

            int newv = v + i*stepSize;
            if (newv<minv)
                newv = minv;
            if (newv>maxv)
                newv = maxv;

            if (i == 0)
                newv = defVal;

            if (cf== CameraControlFlags.Manual)
            {
                d.SetCameraProperty(p, newv, CameraControlFlags.Manual);
            }
            else
            {
                MainForm.LogMessageToFile("Camera control flags are not manual");
            }
        }
Пример #2
-1
        public bool Start(int DeviceNo)
        {
            try {
                FilterInfoCollection videoDevices = new FilterInfoCollection(FilterCategory.VideoInputDevice);
                MonikerString = videoDevices[DeviceNo].MonikerString;
                _videoSource = new VideoCaptureDevice(MonikerString);
                VideoSource = new MyAsyncVideoSource(_videoSource, true);
                //SetMaxResolution();
                VideoSource.NewFrame += NewFrame;
                VideoSource.Start();
                FrameNumber = 0;

                // measure range
                int min,max,step,def;
                CameraControlFlags ccflags;
                VideoProcAmpFlags  vpflags;
                _videoSource.GetCameraPropertyRange(CameraControlProperty.Exposure, out min, out max, out step, out def, out ccflags);
                ExposureRange = String.Format("{0} to {1})", min, max, step);
                _videoSource.GetVideoPropertyRange(VideoProcAmpProperty.Brightness, out min, out max, out step, out def, out vpflags);
                BrightnessRange = String.Format("{0} to {1})", min, max, step);

                timer.Elapsed += delegate {
                    FPSReceived = VideoSource.FramesReceived;
                    FPSProcessed = VideoSource.FramesProcessed;
                };
                timer.Start();

                return VideoSource.IsRunning;
            } catch {
                return false;
            }
        }