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);
}
}
/// <summary>
/// 输出所有设备信息
/// </summary>
public static void OutputCaptureDeviceInfo()
{
foreach (FilterInfo info in new FilterInfoCollection(FilterCategory.VideoInputDevice))
{
String format = $"CaptureDevice Name:[{info.Name}] MonikerString:[{info.MonikerString}]";
VideoCaptureDevice device = new VideoCaptureDevice(info.MonikerString);
format += $"\nVideoCapabilities FrameSize: ";
foreach (VideoCapabilities cap in device.VideoCapabilities)
{
format += $"{cap.FrameSize} ";
}
format += $"\nSnapshotCapabilities FrameSize: ";
foreach (VideoCapabilities cap in device.SnapshotCapabilities)
{
format += $"{cap.FrameSize} ";
}
format += $"\nCamera Control Properties:";
for (CameraControlProperty pro = CameraControlProperty.Pan; pro <= CameraControlProperty.Focus; pro++)
{
if (device.GetCameraProperty(pro, out int value, out CameraControlFlags flags))
{
if (device.GetCameraPropertyRange(pro, out int minValue, out int maxValue, out int stepSize, out int defaultValue, out CameraControlFlags rFlags))
{
format += $"(CameraControlFlags.{pro}({(int)pro}) value:{value} minValue:{minValue} maxValue:{maxValue} stepSize:{stepSize} defaultValue:{defaultValue} flags:[{flags}] cFlags:[{rFlags}]) ";
}
public static void get_CameraInfomations(int index_select)
{
Global.CaptureDeviceFrame = new VideoCaptureDevice(Global.cameraDeviec[index_select].MonikerString);
int VideoCapabilitie_length = Global.CaptureDeviceFrame.VideoCapabilities.Length;
Resolution_List.Clear();
for (int index = 0; index < VideoCapabilitie_length; index++)
{
//string resolution = "Resolution Number " + Convert.ToString(index);
//string resolution_size = CaptureDeviceFrame.VideoCapabilities[index].FrameSize.ToString();
//string fps_Device = CaptureDeviceFrame.VideoCapabilities[index].MaximumFrameRate.ToString();
string Width_resolution = CaptureDeviceFrame.VideoCapabilities[index].FrameSize.Width.ToString();
string Height_resolution = CaptureDeviceFrame.VideoCapabilities[index].FrameSize.Height.ToString();
string fps_Device = CaptureDeviceFrame.VideoCapabilities[index].MaximumFrameRate.ToString();
//Console.WriteLine("resolution , resolution_size>> " + resolution + " " + resolution_size + " " + fps_Device);
string str_concat = Width_resolution + " X " + Height_resolution + " fps(" + fps_Device + ")";
Resolution_List.Add(str_concat);
//Console.WriteLine(str_concat);
}
CaptureDeviceFrame.GetCameraPropertyRange(CameraControlProperty.Focus, out focus_minValue, out focus_maxValue, out focus_stepSize, out focus_defaultValue, out focus_CameraControlFlags);
CaptureDeviceFrame.GetCameraPropertyRange(CameraControlProperty.Pan, out pan_minValue, out pan_maxValue, out pan_stepSize, out pan_defaultValue, out pan_CameraControlFlags);
CaptureDeviceFrame.GetCameraPropertyRange(CameraControlProperty.Tilt, out tilt_minValue, out tilt_maxValue, out tilt_stepSize, out tilt_defaultValue, out tilt_CameraControlFlags);
CaptureDeviceFrame.GetCameraPropertyRange(CameraControlProperty.Roll, out roll_minValue, out roll_maxValue, out roll_stepSize, out roll_defaultValue, out roll_CameraControlFlags);
CaptureDeviceFrame.GetCameraPropertyRange(CameraControlProperty.Zoom, out zoom_minValue, out zoom_maxValue, out zoom_stepSize, out zoom_defaultValue, out zoom_CameraControlFlags);
CaptureDeviceFrame.GetCameraPropertyRange(CameraControlProperty.Exposure, out exposure_minValue, out exposure_maxValue, out exposure_stepSize, out exposure_defaultValue, out exposure_CameraControlFlags);
CaptureDeviceFrame.GetCameraPropertyRange(CameraControlProperty.Iris, out iris_minValue, out iris_maxValue, out iris_stepSize, out iris_defaultValue, out iris_CameraControlFlags);
Console.WriteLine("GetCameraPropertyRange");
}
private static CameraProperty ReadProperty(VideoCaptureDevice device, CameraControlProperty property)
{
CameraProperty p = new CameraProperty();
p.Identifier = property.ToString();
p.Specific = "CameraControl";
p.ReadOnly = false;
p.Type = CameraPropertyType.Integer;
p.Representation = CameraPropertyRepresentation.LinearSlider;
p.CanBeAutomatic = true;
try
{
int min;
int max;
int step;
int defaultValue;
CameraControlFlags flags;
bool success = device.GetCameraPropertyRange(property, out min, out max, out step, out defaultValue, out flags);
if (!success)
{
p.Supported = false;
}
else
{
p.Supported = true;
p.Minimum = min.ToString(CultureInfo.InvariantCulture);
p.Maximum = max.ToString(CultureInfo.InvariantCulture);
int currentValue;
success = device.GetCameraProperty(property, out currentValue, out flags);
if (!success)
{
p.Supported = false;
}
else
{
p.CurrentValue = currentValue.ToString(CultureInfo.InvariantCulture);
p.Automatic = flags == CameraControlFlags.Auto;
}
}
}
catch
{
p.Supported = false;
}
return(p);
}
} // ctor
public bool TryGetPropertyRange(VideoCaptureDevice device, out CameraPropertyRange range)
{
if (!device.GetCameraPropertyRange(property, out var minValue, out var maxValue, out var stepSize, out var defaultValue, out var flags))
{
range = default(CameraPropertyRange);
return(false); // failed to get range
}
if (minValue == maxValue)
{
range = default(CameraPropertyRange);
return(false); // if MinValue==MaxValue the Property is not changeable by the user - thus will not be shown
}
range = new CameraPropertyRange(minValue, maxValue, stepSize, defaultValue, (flags & CameraControlFlags.Auto) == CameraControlFlags.Auto);
return(true);
} // func TryGetPropertyRange
public CameraProperty(VideoCaptureDevice camera, CameraControlProperty prop)
{
theDevice = camera;
camProp = prop;
int defval, steps, cur;
bool fail = false;
try
{
fail = !theDevice.GetCameraPropertyRange(prop, out minLimit, out maxLimit, out steps, out defval, out camFlags);
theDevice.GetCameraProperty(camProp, out cur, out camFlags);
}
catch (Exception e)
{
controllable = false;
}
if (fail)
{
controllable = false;
}
}
public Form1()
{
InitializeComponent();
FilterInfoCollection col = new FilterInfoCollection(FilterCategory.VideoInputDevice);
dev = new VideoCaptureDevice(col[1].MonikerString);
dev.NewFrame += Dev_NewFrame1;
if (dev.CheckIfCrossbarAvailable())
{
dev.DisplayCrossbarPropertyPage(Handle);
}
int minVal;
int maxVal;
int defVal;
int step;
CameraControlFlags flag;
dev.GetCameraPropertyRange(CameraControlProperty.Exposure, out minVal, out maxVal,
out step, out defVal, out flag);
trackBar1.Minimum = minVal;
trackBar1.Maximum = maxVal;
trackBar1.SmallChange = step;
trackBar1.Value = defVal;
dev.Start();
//uint handle = 10;
//uint val2 = 11;
//uint[] array_names = new uint[100];
//ArduCamCfg cfg = new ArduCamCfg();
//val2 = LibHelp.ArduCam_scan( array_names, 21195);
//MessageBox.Show(val2.ToString());
//cfg.u32Width = 3664;
//cfg.u32Height = 2748;
//cfg.u16Vid = 0x52CB;
//cfg.u32I2cAddr = 0x20;
//cfg.emI2cMode = i2c_mode.I2C_MODE_16_16;
//cfg.emImageFmtMode = format_mode.FORMAT_MODE_RAW;
//cfg.u8PixelBytes = 1;
//cfg.u8PixelBits = 8;
//cfg.u32TransLvl = 0;
//cfg.u32CameraType = 0;
//val2 = 11;
//val2 = LibHelp.ArduCam_open(ref handle, ref cfg, 0);
//MessageBox.Show(val2 + "\n" + handle);
//UInt32 conf_handle = 11;
//String tmpStr = "MT9J001_10MP_8bit.cfg";
//val2 = LibHelp.ArduCamCfg_LoadCameraConfig(ref conf_handle, ref tmpStr);
//MessageBox.Show(val2 + "/n" + conf_handle);
//UInt32 register_val = 11;
//val2 = LibHelp.ArduCam_readSensorReg(ref handle, 0x0204, ref register_val);
//MessageBox.Show(val2 + "\n" + register_val);
//ArduCamOutData dt = new ArduCamOutData();
////dt.stImagePara = cfg;
////dt.pu8ImageData = new byte[cfg.u32Width * cfg.u32Height];
//unsafe
//{
// byte[] arr = new byte[(int)(cfg.u32Height * cfg.u32Width * 10)];
// fixed (byte* point = arr)
// {
// dt.pu8ImageData = point;
// ArduCamCfg[] cfg_arr = new ArduCamCfg[] { cfg };
// fixed (ArduCamCfg* cfg_point = cfg_arr)
// {
// dt.stImagePara = cfg_point;
// val2 = LibHelp.ArduCam_readImage(ref handle, ref dt);
// }
// }
//}
//val2 = 11;
//MessageBox.Show(val2 + "");
}
