public void Initialize(int deviceNum)
{
if (firstActive)
{
return;
}
firstActive = true;
if (!DsUtils.IsCorrectDirectXVersion())
{
return;
}
if (!DsDev.GetDevicesOfCat(FilterCategory.VideoInputDevice, out capDevices))
{
return;
}
DsDevice dev = null;
if (capDevices.Count >= 1)
{
dev = capDevices[deviceNum] as DsDevice;
}
if (dev == null)
{
return;
}
StartupVideo(dev.Mon);
}
public VideoInfoHeader StartProvider(bool preview, ISampleGrabberCB samplegrabber, IntPtr owner)
{
int hr;
VideoInfoHeader rv;
try
{
if (!DsUtils.IsCorrectDirectXVersion())
{
throw new Exception("At least DirectX 8.1 is required!");
}
if (!DsDev.GetDevicesOfCat(FilterCategory.VideoInputDevice, out capDevices))
{
throw new Exception("Could not retrieve the list of capture devices!");
}
if (capDevices.Count == 0)
{
throw new Exception("Capture Sample Provider is not applicable!");
}
DsDevice device = null;
if (capDevices.Count == 1)
{
device = capDevices[0] as DsDevice;
}
else
{
DeviceSelector selector = new DeviceSelector(capDevices);
selector.ShowDialog();
device = selector.SelectedDevice;
}
if (device == null)
{
throw new Exception("No video capture device could be selected!");
}
CreateCaptureDevice(device.Mon);
GetInterfaces();
rv = SetupGraph(preview, samplegrabber);
SetupVideoWindow(owner);
hr = mediaCtrl.Run();
if (hr < 0)
{
Marshal.ThrowExceptionForHR(hr);
}
}
catch (Exception ee)
{
throw new Exception("Could not start video stream\r\n" + ee.Message);
}
return(rv);
}
/// <summary> detect first form appearance, start grabber. </summary>
//private void MainForm_Activated(object sender, System.EventArgs e)
private void mainformactive()
{
if (firstActive)
{
return;
}
firstActive = true;
if (!DsUtils.IsCorrectDirectXVersion())
{
MessageBox.Show(this, "DirectX 8.1 NOT installed!", "Error", MessageBoxButtons.OK, MessageBoxIcon.Stop);
this.Left = 2000;
timer1.Enabled = true;
//value = 2;
return;
}
if (!DsDev.GetDevicesOfCat(FilterCategory.VideoInputDevice, out capDevices))
{
MessageBox.Show(this, "No video capture devices found!", "Error", MessageBoxButtons.OK, MessageBoxIcon.Stop);
this.Left = 2000;
timer1.Enabled = true;
//value = 2;
return;
}
DsDevice dev = null;
if (capDevices.Count == 1)
{
dev = capDevices[0] as DsDevice;
}
else
{
DeviceSelector selector = new DeviceSelector(capDevices);
selector.ShowDialog(this);
dev = selector.SelectedDevice;
}
if (dev == null)
{
//this.Close();
this.Left = 2000;
timer1.Enabled = true;
//value = 2;
return;
}
if (!StartupVideo(dev.Mon))
{
//{ this.Close();
//return;
this.Left = 2000;
timer1.Enabled = true;
//value = 2;
return;
}
}
void Initialize()
{
if (firstActive)
{
throw new VideoGrabberException("已經呼叫過 BeginGrabber() 方法了！");
}
firstActive = true;
if (!DsUtils.IsCorrectDirectXVersion())
{
EndGrabber();
throw new VideoGrabberException("系統未安裝 DirectX 8.1 以後的版本！");
}
/*
* //if( ! DsDevice.GetDevicesOfCat( FilterCategory.VideoInputDevice, out capDevices ) )
* if( (capDevices = DsDevice.GetDevicesOfCat( FilterCategory.VideoInputDevice )) == null )
* {
* EndGrabber();
* throw new VideoGrabberException("未偵測到視訊裝置！");
* }
*
* DsDevice dev = null;
* if( capDevices.Length == 1 )
* dev = capDevices[0] as DsDevice;
* else
* {
* DeviceSelector selector = new DeviceSelector( capDevices );
* selector.ShowDialog( this );
* dev = selector.SelectedDevice;
* }
*/
if (capDevice == null)
{
DeviceSelector selector = new DeviceSelector( );
if (selector.Devices.Length > 1)
{
selector.ShowDialog(this);
}
capDevice = selector.SelectedDevice;
if (capDevice == null)
{
EndGrabber();
throw new VideoGrabberException("無法取得視訊裝置！");
}
}
if (!StartupVideo(capDevice.Mon))
{
EndPreview();
EndGrabber();
throw new VideoGrabberException("無法初始化設定視訊裝置！");
}
}
/// <summary> detect first form appearance, start capturing. </summary>
private void MainForm_Activated(object sender, System.EventArgs e)
{
if (firstActived)
{
return;
}
firstActived = true;
if (!DsUtils.IsCorrectDirectXVersion())
{
MessageBox.Show(this, "DirectX 8.1 or higher NOT installed!", "DirectShow.NET", MessageBoxButtons.OK, MessageBoxIcon.Stop);
this.Close(); return;
}
if (!DsDev.GetDevicesOfCat(FilterCategory.VideoInputDevice, out capDevices))
{
MessageBox.Show(this, "No video capture devices found!", "DirectShow.NET", MessageBoxButtons.OK, MessageBoxIcon.Stop);
this.Close(); return;
}
SaveFileDialog sd = new SaveFileDialog();
sd.FileName = @"MotionCapture.avi";
sd.Title = "Save Video Stream as...";
sd.Filter = "Video file (*.avi)|*.avi";
sd.FilterIndex = 1;
if (sd.ShowDialog() != DialogResult.OK)
{
this.Close(); return;
}
fileName = sd.FileName;
DsDevice dev = null;
if (capDevices.Count == 1)
{
dev = capDevices[0] as DsDevice;
}
else
{
DeviceSelector selector = new DeviceSelector(capDevices);
selector.ShowDialog(this);
dev = selector.SelectedDevice;
}
if (dev == null)
{
this.Close(); return;
}
if (!StartupVideo(dev.Mon))
{
this.Close();
}
this.Text += " - capturing -";
}
public bool StartCamera()
{
if (firstActive)
{
return(false);
}
firstActive = true;
if (!DsUtils.IsCorrectDirectXVersion())
{
System.Windows.Forms.MessageBox.Show("DirectX 8.1 NOT installed!", "DirectShow.NET", MessageBoxButtons.OK, MessageBoxIcon.Stop);
return(false);
}
if (!DsDev.GetDevicesOfCat(FilterCategory.VideoInputDevice, out capDevices))
{
System.Windows.Forms.MessageBox.Show("No video capture devices found!", "DirectShow.NET", MessageBoxButtons.OK, MessageBoxIcon.Stop);
this.Close(); return(false);
}
//SaveFileDialog sd = new SaveFileDialog();
//sd.FileName = @"CaptureNET.avi";
//sd.Title = "Save Video Stream as...";
//sd.Filter = "Video file (*.avi)|*.avi";
//sd.FilterIndex = 1;
//if (sd.ShowDialog() != DialogResult.OK)
//{ this.Close(); return false; }
fileName = "c:\\a.avi";
DsDevice dev = null;
//if (capDevices.Count == 1)
// dev = capDevices[0] as DsDevice;
//else
//{
// DeviceSelector selector = new DeviceSelector(capDevices);
// selector.ShowDialog(this);
// dev = selector.SelectedDevice;
//}
dev = capDevices[1];
if (dev == null)
{
this.Close(); return(false);
}
if (!StartupVideo(dev.Mon))
{
this.Close();
}
return(true);
}
void Initialize()
{
if (firstActive)
{
throw new VideoGrabberException("已經呼叫過 BeginGrabber() 方法了！");
}
firstActive = true;
if (!DsUtils.IsCorrectDirectXVersion())
{
EndGrabber();
throw new VideoGrabberException("系統未安裝 DirectX 8.1 以後的版本！");
}
if (capDevice == null)
{
if ((capDevices = DsDevice.GetDevicesOfCat(FilterCategory.VideoInputDevice)) == null)
{
EndGrabber();
throw new VideoGrabberException("未偵測到視訊裝置！");
}
if (capDevices.Length >= 1)
{
capDevice = capDevices[0] as DsDevice;
}
else
{
DeviceSelector selector = new DeviceSelector();
selector.ShowDialog(this);
capDevice = selector.SelectedDevice;
}
}
if (capDevice == null)
{
EndGrabber();
throw new VideoGrabberException("無法取得視訊裝置！");
}
if (!StartupVideo(capDevice.Mon))
{
EndGrabber();
throw new VideoGrabberException("無法初始化設定視訊裝置！");
}
grabberThread = new Thread(new ThreadStart(Processing));
}
/// <summary> detect first form appearance, start grabber. </summary>
private void MainForm_Activated(object sender, System.EventArgs e)
{
if (firstActive)
{
return;
}
firstActive = true;
if (!DsUtils.IsCorrectDirectXVersion())
{
MessageBox.Show(this, "DirectX 8.1 NOT installed!", "DirectShow.NET", MessageBoxButtons.OK, MessageBoxIcon.Stop);
this.Close(); return;
}
if (!DsDev.GetDevicesOfCat(FilterCategory.VideoInputDevice, out capDevices))
{
MessageBox.Show(this, "No video capture devices found!", "DirectShow.NET", MessageBoxButtons.OK, MessageBoxIcon.Stop);
this.Close(); return;
}
DsDevice dev = null;
if (capDevices.Count == 1)
{
dev = capDevices[0] as DsDevice;
}
else
{
DeviceSelector selector = new DeviceSelector(capDevices);
selector.ShowDialog(this);
dev = selector.SelectedDevice;
}
if (dev == null)
{
this.Close(); return;
}
if (!StartupVideo(dev.Mon))
{
this.Close();
}
}
public static DsDevice[] GetDevices()
{
ArrayList devices;
if (!DsUtils.IsCorrectDirectXVersion())
{
_logger.Error("DirectX 8.1 NOT installed!");
devices = new ArrayList();
// throw new Exception("DirectX 8.1 NOT installed!");
}
if (!DsDev.GetDevicesOfCat(FilterCategory.VideoInputDevice, out devices))
{
//throw new Exception("No video capture devices found!");
_logger.Error("No video capture devices found!");
devices = new ArrayList();
}
return((DsDevice[])devices.ToArray(typeof(DsDevice)));
}
public void Capture_video()
{
if (firstActive)
{
firstActive = true;
CloseInterfaces();
//this.Close();
return;
}
firstActive = true;
if (!DsUtils.IsCorrectDirectXVersion())
{
MessageBox.Show(this, "DirectX 8.1 NOT installed!", "DirectShow.NET", MessageBoxButtons.OK, MessageBoxIcon.Stop);
this.Close(); return;
}
if (!DsDev.GetDevicesOfCat(FilterCategory.VideoInputDevice, out capDevices))
{
MessageBox.Show(this, "No video capture devices found!", "DirectShow.NET", MessageBoxButtons.OK, MessageBoxIcon.Stop);
this.Close(); return;
}
SaveFileDialog sd = new SaveFileDialog();
sd.FileName = DateTime.Now.ToString("yyMMdd hh-mm-ss");
sd.Title = "Save Video Stream as...";
sd.Filter = "Video file (*.avi)|*.avi";
sd.FilterIndex = 1;
sd.InitialDirectory = "C:\\temp\\autobot7\\";
Thread.Sleep(2000);
System.Windows.Forms.SendKeys.Send("{ENTER}");
if (sd.ShowDialog() != DialogResult.OK)
{
this.Close(); return;
}
fileName = sd.FileName;
DsDevice dev = null;
if (capDevices.Count == 1)
{
dev = capDevices[0] as DsDevice;
}
else
{
DeviceSelector selector = new DeviceSelector(capDevices);
selector.ShowDialog(this);
dev = selector.SelectedDevice;
}
if (dev == null)
{
this.Close(); return;
}
if (!StartupVideo(dev.Mon))
{
this.Close();
}
this.Text = "save" + fileName + "..........";
}
public void InitVideoCapture(int videoDeviceID, FrameRate framerate, Resolution resolution,
ImageFormat format, bool grayscale)
{
if (cameraInitialized)
{
return;
}
this.resolution = resolution;
this.grayscale = grayscale;
this.frameRate = framerate;
this.videoDeviceID = videoDeviceID;
this.format = format;
switch (resolution)
{
case Resolution._160x120:
cameraWidth = 160;
cameraHeight = 120;
break;
case Resolution._320x240:
cameraWidth = 320;
cameraHeight = 240;
break;
case Resolution._640x480:
cameraWidth = 640;
cameraHeight = 480;
break;
case Resolution._800x600:
cameraWidth = 800;
cameraHeight = 600;
break;
case Resolution._1024x768:
cameraWidth = 1024;
cameraHeight = 768;
break;
case Resolution._1280x1024:
cameraWidth = 1280;
cameraHeight = 1024;
break;
case Resolution._1600x1200:
cameraWidth = 1600;
cameraHeight = 1200;
break;
}
if (!DsUtils.IsCorrectDirectXVersion())
{
throw new GoblinException("DirectX 8.1 NOT installed!");
}
if (!DsDev.GetDevicesOfCat(FilterCategory.VideoInputDevice, out capDevices))
{
throw new GoblinException("No video capture devices found!");
}
DsDevice dev = null;
if (videoDeviceID >= capDevices.Count)
{
String suggestion = "Try the following device IDs:";
for (int i = 0; i < capDevices.Count; i++)
{
suggestion += " " + i + ":" + ((DsDevice)capDevices[i]).Name + ", ";
}
throw new GoblinException("VideoDeviceID " + videoDeviceID + " is out of the range. "
+ suggestion);
}
dev = (DsDevice)capDevices[videoDeviceID];
selectedVideoDeviceName = ((DsDevice)capDevices[videoDeviceID]).Name;
if (dev == null)
{
throw new GoblinException("This video device cannot be accessed");
}
StartupVideo(dev.Mon);
cameraInitialized = true;
}
/// <summary> detect first form appearance, start grabber. </summary>
/// <fixme> There are three paths to activation:
/// One opens a media file whose name is specified in the dsshost.exe.config file,
/// another assumes that a particular video card is present,
/// and the third asks the user to select a video input source.
/// This module really only works for the first two paths.
/// </fixme>
public void Activate()
{
IMoniker moniker;
IMoniker devmoniker;
if (firstActive)
{
return;
}
firstActive = true;
if (!DsUtils.IsCorrectDirectXVersion())
{
LogInfo(LogGroups.Console, "DirectX 8.1 NOT installed!");
//this.Close();
return;
}
try
{
if (videoSource.Equals("File", StringComparison.CurrentCultureIgnoreCase))
{
LogInfo(LogGroups.Console, "File to play : " + filePath);
//capFilter = (IBaseFilter)DsDev.CreateFromCLSID(Clsid.WM_ASF_Reader);
}
else if (videoSource.Equals("Analog", StringComparison.CurrentCultureIgnoreCase))
{
atiCrossbar = (IBaseFilter)DsDev.CreateFromMoniker(ATICrossbar);
capFilter = (IBaseFilter)DsDev.CreateFromMoniker(ATICapture);
atiTVCardFound = true;
}
else // digital camera, may be a webcam
{
if (!DsDev.GetDevicesOfCat(FilterCategory.VideoInputDevice, out capDevices))
{
LogInfo(LogGroups.Console, "No video capture devices found!");
return;
}
if (capDevices.Count == 1)
{
dev = capDevices[0] as DsDevice;
}
else
{
//DeviceSelector selector = new DeviceSelector(capDevices);
//selector.ShowDialog();
//dev = selector.SelectedDevice;
dev = capDevices[0] as DsDevice;
}
if (dev == null)
{
LogInfo(LogGroups.Console, "Cannot use first capture device found.");
return;
}
CreateCaptureDevice(dev.Mon);
}
StartupVideo();
}
catch (Exception ex)
{
LogInfo(LogGroups.Console, "Filter Graph can't start : " + ex.Message);
}
}
