public void Close()
{
lock (mutex)
{
if (controllerState.Equals(CMSState.Quitting))
{
return;
}
if (CMSLogger.CanCreateLogEvent(false, false, false, "CMSLogEndEvent"))
{
CMSLogEndEvent endEvent = new CMSLogEndEvent();
endEvent.SetDateTime(DateTime.Now);
if (endEvent != null)
{
CMSLogger.SendLogEvent(endEvent);
}
}
videoSource.StopSource();
controllerState = CMSState.Quitting;
CMSTrackingSuite selectedSuite = model.SelectedSuite;
if (selectedSuite != null)
{
selectedSuite.Clean();
}
videoDisplay.Quit();
controlToggler.Stop();
CMSLogger.StopLogging();
}
}
public override void ProcessMouse(System.Drawing.Point p, bool leftMouseButton, int cameraNum)
{
if (cameraNum != 0)
{
return;
}
if (p.X < 0 || p.X >= this.imageSize.Width ||
p.Y < 0 || p.Y >= this.imageSize.Height)
{
return;
}
imagePoint.X = p.X;
imagePoint.Y = p.Y;
_current_track_points[0].x = p.X;
_current_track_points[0].y = p.Y;
_last_track_points[0].x = p.X;
_last_track_points[0].y = p.Y;
if (!validTrackPoint)
{
if (CMSLogger.CanCreateLogEvent(false, false, false, "CMSLogStandardStateEvent"))
{
CMSLogStandardStateEvent logEvent = new CMSLogStandardStateEvent();
if (logEvent != null)
{
logEvent.ValidTrackingPoint = true;
CMSLogger.SendLogEvent(logEvent);
}
}
}
validTrackPoint = true;
trackingSuiteAdapter.ToggleSetup(false);
}
/******************** Other Functions ****************/
private void SetState(CMSState state)
{
lock (mutex)
{
/*
* if (state.Equals(CMSState.Tracking))
* {
* videoDisplay.SetTrackingControlMessage(false, "");
* }
* else if (state.Equals(CMSState.ControlTracking))
* {
* videoDisplay.SetTrackingControlMessage(true, "");
* }
* else if (state.Equals(CMSState.Setup))
* {
* videoDisplay.ReceiveMessage("", Color.Black);
* //videoDisplay.SetTrackingControlMessage(false, false);
* }*/
controllerState = state;
CMSTrackingSuite curSuite = model.SelectedSuite;
if (curSuite != null)
{
curSuite.StateChange(state);
}
if (CMSLogger.CanCreateLogEvent(false, false, false, "CMSLogStateChangeEvent"))
{
CMSLogStateChangeEvent stateChangeEvent = new CMSLogStateChangeEvent();
stateChangeEvent.State = state.ToString();
CMSLogger.SendLogEvent(stateChangeEvent);
}
}
}
private void buttonSendMessage_Click(object sender, EventArgs e)
{
if (!CMSLogger.CanCreateLogEvent(false, false, false, "CMSLogMessageEvent"))
{
return;
}
SendMessageForm smf = new SendMessageForm();
if (!smf.ShowDialog().Equals(DialogResult.OK))
{
return;
}
string text = smf.MessageText;
if (text == null)
{
return;
}
text = text.Trim();
CMSLogMessageEvent logEvent = new CMSLogMessageEvent();
logEvent.Text = text;
CMSLogger.SendLogEvent(logEvent);
}
/******************** Video Source Events ***********************/
private void CameraFound()
{
lock (mutex)
{
if (CMSLogger.CanCreateLogEvent(false, false, false, "CMSLogCameraFoundEvent"))
{
CMSLogCameraFoundEvent cameraFoundEvent = new CMSLogCameraFoundEvent();
if (cameraFoundEvent != null)
{
CMSLogger.SendLogEvent(cameraFoundEvent);
}
}
if (controllerState.Equals(CMSState.CameraNotFound))
{
if (videoSource.StartSource())
{
SetState(CMSState.Setup);
model.CurrentMonikor = videoSource.GetCurrentMonikor();
}
else
{
SetState(CMSState.CameraNotFound);
}
}
else
{
throw new Exception("Received Camera Found in state " + controllerState.ToString());
}
}
}
private void SendTogglerConfigLogEvent()
{
if (CMSLogger.CanCreateLogEvent(false, false, false, "CMSLogTogglerConfigEvent"))
{
CMSLogTogglerConfigEvent togglerConfigEvent = new CMSLogTogglerConfigEvent();
togglerConfigEvent.Config = togglerConfig;
CMSLogger.SendLogEvent(togglerConfigEvent);
}
}
public override void SendSuiteLogEvent()
{
if (CMSLogger.CanCreateLogEvent(false, false, false, "CMSLogEmptySuiteEvent"))
{
CMSLogEmptySuiteEvent logEvent = new CMSLogEmptySuiteEvent();
if (logEvent != null)
{
CMSLogger.SendLogEvent(logEvent);
}
}
}
/*public override CMSTrackingSuite Clone()
* {
* CMSTrackingSuiteStandard trackingModule = new CMSTrackingSuiteStandard();
* trackingModule.TrackingModule = StandardTracking.Clone() as CMSTrackingModule;
* trackingModule.MouseControlModule = MouseControlModule.Clone() as CMSMouseControlModule;
* trackingModule.ClickControlModule = ClickControlModule.Clone() as CMSClickControlModule;
* return trackingModule;
* }*/
public override void SendSuiteLogEvent()
{
if (CMSLogger.CanCreateLogEvent(false, false, false, "CMSLogStandardSuiteEvent"))
{
CMSLogStandardSuiteEvent logEvent = new CMSLogStandardSuiteEvent();
if (logEvent != null)
{
logEvent.StandardSuite = this;
CMSLogger.SendLogEvent(logEvent);
}
}
}
private void ResizeFrame(bool maximize)
{
if (InvokeRequired)
{
Invoke(new ResizeFrameDelegate(ResizeFrame), new object[] { maximize });
}
else
{
if (maximize)
{
videoDisplay.Size = new Size(CMSConstants.VIDEO_DISPLAY_MAX_WIDTH,
CMSConstants.VIDEO_DISPLAY_MAX_HEIGHT);
this.controlPanel.Visible = true;
this.TopMost = false;
this.toolTipResize.SetToolTip(this.resizeOutputbutton, CMSConstants.MINIMIZE_FORM_TOOLTIP);
this.resizeOutputbutton.Image = Properties.Resources.FormMinimize;
Size = new Size(CMSConstants.VIDEO_DISPLAY_MAX_WIDTH + 60, CMSConstants.VIDEO_DISPLAY_MAX_HEIGHT + 250);// Set the size of the form
this.videoDisplay.Location = new Point(21, 24);
}
else
{
videoDisplay.Size = new Size(CMSConstants.VIDEO_DISPLAY_MIN_WIDTH,
CMSConstants.VIDEO_DISPLAY_MIN_HEIGHT);
this.controlPanel.Visible = false;
this.TopMost = true;
this.toolTipResize.SetToolTip(this.resizeOutputbutton, CMSConstants.MAXIMIZE_FORM_TOOLTIP);
this.resizeOutputbutton.Image = Properties.Resources.FormMaximize;
Size = new Size(CMSConstants.VIDEO_DISPLAY_MIN_WIDTH + 40,
CMSConstants.VIDEO_DISPLAY_MIN_HEIGHT + 50 + resizeOutputbutton.Size.Height);// Set the size of the form
this.videoDisplay.Location = new Point(16, 5);
}
viewAdapter.RatioVideoInputToOutput = new double[] { ((double)videoInputSize.Width) / ((double)videoDisplay.Width) };
int x = this.videoDisplay.Location.X + this.videoDisplay.Width - this.resizeOutputbutton.Size.Width;
int y = this.videoDisplay.Location.Y + this.videoDisplay.Height + 2;
this.resizeOutputbutton.Location = new Point(x, y);
Invalidate();
if (CMSLogger.CanCreateLogEvent(false, false, false, "CMSLogWindowChangedEvent"))
{
CMSLogWindowChangedEvent windowChangedEvent = new CMSLogWindowChangedEvent();
if (windowChangedEvent != null)
{
windowChangedEvent.Maximized = maximize;
CMSLogger.SendLogEvent(windowChangedEvent);
}
}
}
}
public static void Init(CMSLogConfig logConfig, CMSIdentificationConfig idConfig)
{
logger = new CMSLogger();
logger.LogConfig = logConfig;
logger.IdConfig = idConfig;
System.Collections.IDictionary environment = Environment.GetEnvironmentVariables();
if (environment.Contains("DateTimeSendPeriod"))
{
long sendPeriod = Int32.Parse(Environment.GetEnvironmentVariables()["DateTimeSendPeriod"] as string);
logger.DateTimeStampWaitPeriodMillis = sendPeriod;
}
if (environment.Contains("NeverConnect"))
{
bool neverConnect = Boolean.Parse(Environment.GetEnvironmentVariables()["NeverConnect"] as string);
logger.NeverConnect = neverConnect;
}
logger.Update();
}
private void buttonStatusUpdate_Click(object sender, EventArgs e)
{
if (isLoading)
{
return;
}
viewAdapter.LogConfig = logConfig;
viewAdapter.SaveLogConfig();
CMSLogger.UpdateLogger();
UpdateStatus();
if (CMSLogger.CanCreateLogEvent(false, false, false, "CMSLogBehaviorEvent"))
{
CMSLogBehaviorEvent logEvent = new CMSLogBehaviorEvent(logConfig);
CMSLogger.SendLogEvent(logEvent);
}
}
private void VideoInputSizesDetermined(System.Drawing.Size [] videoInputSizes)
{
lock (mutex)
{
videoDisplay.VideoInputSizeDetermined(videoInputSizes);
model.FrameDims = videoInputSizes;
if (CMSLogger.CanCreateLogEvent(false, false, false, "CMSLogVideoSizesDeterminedEvent"))
{
CMSLogVideoSizesDeterminedEvent vidSizesEvent = new CMSLogVideoSizesDeterminedEvent();
if (vidSizesEvent != null)
{
vidSizesEvent.Sizes = videoInputSizes;
CMSLogger.SendLogEvent(vidSizesEvent);
}
}
}
}
private void CameraLost(bool containsCameras)
{
lock (mutex)
{
if (CMSLogger.CanCreateLogEvent(false, false, false, "CMSLogCameraLostEvent"))
{
CMSLogCameraLostEvent cameraLostEvent = new CMSLogCameraLostEvent();
if (cameraLostEvent != null)
{
CMSLogger.SendLogEvent(cameraLostEvent);
}
}
if (!controllerState.Equals(CMSState.CameraNotFound))
{
SetState(CMSState.CameraNotFound);
if (model.SelectedSuite != null)
{
model.SelectedSuite.Clean();
}
if (containsCameras)
{
if (videoSource.StartSource())
{
model.CurrentMonikor = videoSource.GetCurrentMonikor();
SetState(CMSState.Setup);
}
else
{
MessageBox.Show("Camera Lost");
}
}
else
{
MessageBox.Show("Camera Lost");
}
}
else
{
throw new Exception("Received Camera Lost in state " + controllerState.ToString());
}
}
}
private void LeftMouseClick(int x, int y)
{
User32.mouse_event(2, x, y, 0, 0); //Right mouse down at x,y
System.Threading.Thread.Sleep(100);
User32.mouse_event(4, x, y, 0, 0); //Right mouse up at x,y
if (CMSLogger.CanCreateLogEvent(false, false, false, "CMSLogClickEvent"))
{
CMSLogClickEvent clickEvent = new CMSLogClickEvent();
if (clickEvent != null)
{
clickEvent.X = x;
clickEvent.Y = y;
clickEvent.Width = CMSConstants.SCREEN_WIDTH;
clickEvent.Height = CMSConstants.SCREEN_HEIGHT;
clickEvent.ClickType = ClickType.LClk;
CMSLogger.SendLogEvent(clickEvent);
}
}
}
public void UpdateStatus()
{
bool isConnected = CMSLogger.IsLoggerConnected();
bool isRunning = CMSLogger.IsLoggerRunning();
Exception e = CMSLogger.GetNetworkException();
if (e != null)
{
labelLogStatusDetails.Text = e.Message;
}
else
{
labelLogStatusDetails.Text = "";
}
bool neverConnect = false;
IDictionary vars = Environment.GetEnvironmentVariables();
if (vars.Contains("NeverConnect"))
{
neverConnect = Boolean.Parse(vars["NeverConnect"] as string);
}
if (!isRunning)
{
labelLogStatus.Text = "System is not Running";
}
else if (neverConnect)
{
labelLogStatus.Text = "System is Running and can never Connect";
}
else if (!isConnected)
{
labelLogStatus.Text = "System is Running, but not Connected";
}
else
{
labelLogStatus.Text = "System is Running and Connected";
}
}
public void Start(CMSVideoSource videoSource, CMSVideoDisplay videoDisplay, CMSControlToggler controlToggler)
{
mutex = new object();
try
{
ProcessKeys[] procKeysDelegates = null;
lock (mutex)
{
CMSConstants.Init();
controllerState = CMSState.Starting;
model = new CMSModel();
model.Init("./" + CMSConstants.SUITE_LIB_DIR, "./" + CMSConstants.SUITE_CONFIG_DIR,
"./" + CMSConstants.MAIN_CONFIG_FILE,
"./" + CMSConstants.MAIN_CAMERA_CONFIG_FILE,
"./" + CMSConstants.MAIN_LOG_CONFIG_FILE,
"./" + CMSConstants.MAIN_ID_CONFIG_FILE);
model.Load();
model.IncrementAndSaveSessionNum();
CMSLogger.SetUidReceivedDelegate(model.UidUpdated);
CMSLogger.Init(model.LogConfig, model.IdConfig);
//CMSLogger.CanCreateLogEvent(
if (CMSLogger.CanCreateLogEvent(false, false, false, "CMSLogStartEvent"))
{
CMSLogStartEvent startEvent = new CMSLogStartEvent();
startEvent.SetDateTime(DateTime.Now);
CMSLogger.SendLogEvent(startEvent);
}
this.videoSource = videoSource;
videoSource.CameraLost += new CameraLost(CameraLost);
videoSource.CameraFound += new CameraFound(CameraFound);
videoSource.VideoInputSizesDetermined += new VideoInputSizesDetermined(VideoInputSizesDetermined);
videoSource.ProcessFrame += new ProcessFrame(ProcessFrameFromSource);
videoSource.Init(videoDisplay.GetParentForm());
this.videoDisplay = videoDisplay;
videoDisplay.Init(new CMSViewAdapter(model, this, videoSource));
model.SelectedSuite.CMSTrackingSuiteAdapter = new CMSStandardTrackingSuiteAdapter(model, this, videoDisplay);
string currentMoniker = model.CurrentMonikor;
if (videoSource.StartSource(currentMoniker))
{
string newMoniker = videoSource.GetCurrentMonikor();
model.CurrentMonikor = newMoniker;
controllerState = CMSState.Setup;
}
else
{
controllerState = CMSState.CameraNotFound;
}
this.controlToggler = controlToggler;
controlToggler.GetState = GetState;
controlToggler.ToggleControl = ToggleControl;
controlToggler.GetCursorPos = GetCursorPos;
controlToggler.ControlTogglerConfig = model.GeneralConfig.ControlTogglerConfig;
controlToggler.Start();
procKeysDelegates = new ProcessKeys[2];
procKeysDelegates[0] = ProcessKeys;
procKeysDelegates[1] = controlToggler.ProcessKeys;
}
CMSKeyHook.initHook(procKeysDelegates);
Application.Run(videoDisplay.GetParentForm());
CMSKeyHook.removeHook();
}
catch (Exception e)
{
try
{
if (CMSLogger.CanCreateLogEvent(true, true, false, "CMSLogExceptionEvent"))
{
CMSLogExceptionEvent exceptionEvent = new CMSLogExceptionEvent();
exceptionEvent.SetException(e);
CMSLogger.SendLogEvent(exceptionEvent);
}
}
catch
{
}
MessageBox.Show("Error occurred during startup:" + e.Message);
Application.Exit();
}
}
public void Init()
{
CMSLogger.AddLoggerStatusChangeListener(LoggingStatusUpdate);
}
public void ProcessFrame(Bitmap [] frames, bool control)
{
lock (mutex)
{
PointF imagePoint = PointF.Empty;
PointF screenPoint = PointF.Empty;
CMSExtraTrackingInfo extraInfo = null;
if (trackingModule != null)
{
trackingModule.Process(frames);
imagePoint = trackingModule.ImagePoint;
extraInfo = trackingModule.ExtraTrackingInfo;
if (!trackingModule.ImagePoint.IsEmpty)
{
if (CMSLogger.CanCreateLogEvent(true, false, false, "CMSLogPointerEvent"))
{
CMSLogPointerEvent ptrEvent = new CMSLogPointerEvent();
if (ptrEvent != null)
{
ptrEvent.X = (int)trackingModule.ImagePoint.X;
ptrEvent.Y = (int)trackingModule.ImagePoint.Y;
CMSLogger.SendLogEvent(ptrEvent);
}
}
}
}
if (mouseControlModule != null)
{
mouseControlModule.ProcessMouse(imagePoint,
extraInfo,
frames);
screenPoint = mouseControlModule.MousePointer;
}
if (clickControlModule != null)
{
clickControlModule.ProcessClick(imagePoint,
screenPoint,
extraInfo,
frames);
}
if (trackingModule != null)
{
trackingModule.DrawOnFrame(frames);
}
if (mouseControlModule != null)
{
mouseControlModule.DrawOnFrame(frames);
}
if (clickControlModule != null)
{
clickControlModule.DrawOnFrame(frames);
}
if (control)
{
if (CMSLogger.CanCreateLogEvent(true, false, false, "CMSLogCursorEvent"))
{
CMSLogCursorEvent csrEvent = new CMSLogCursorEvent();
if (csrEvent != null)
{
csrEvent.X = (int)mouseControlModule.MousePointer.X;
csrEvent.Y = (int)mouseControlModule.MousePointer.Y;
CMSLogger.SendLogEvent(csrEvent);
}
}
}
}
}
void ProcessFrameFromSource(System.Drawing.Bitmap [] frames)
{
lock (mutex)
{
if (CMSLogger.CanCreateLogEvent(false, false, true, "CMSLogProcessesEvent"))
{
CMSLogProcessesEvent pEvent = new CMSLogProcessesEvent();
pEvent.CaptureProcesses();
CMSLogger.SendLogEvent(pEvent);
}
if (!controllerState.Equals(CMSState.CameraNotFound))
{
foreach (Bitmap frame in frames)
{
frame.RotateFlip(RotateFlipType.RotateNoneFlipX);
}
CMSTrackingSuite currentTracker = model.SelectedSuite;
if (currentTracker != null && frames != null && frames.Length > 0)
{
if (!currentTracker.Initialized)
{
Size[] sizes = new Size[frames.Length];
for (int i = 0; i < frames.Length; i++)
{
sizes[i] = new Size(frames[i].Width, frames[i].Height);
}
currentTracker.Init(sizes);
}
bool control = controllerState.Equals(CMSState.ControlTracking);
/*
* CMSLogExperimentFrameEvent logExpFrameEvent = null;
*
* if (ExperimentFrameSaver.IsExperimentFrameEnabled())
* {
* if (ExperimentFrameSaver.CanSaveLogEvent())
* {
* logExpFrameEvent = new CMSLogExperimentFrameEvent(frames[0], currentTracker.Name, 0, 0);
* }
* }*/
currentTracker.ProcessFrame(frames, control);
/*
* if (logExpFrameEvent != null)
* {
* if (currentTracker.TrackingModule != null)
* {
* PointF curPoint = currentTracker.TrackingModule.ImagePoint;
* logExpFrameEvent.X = (int)curPoint.X;
* logExpFrameEvent.Y = (int)curPoint.Y;
* ExperimentFrameSaver.SaveLogEvent(logExpFrameEvent);
* }
* }*/
if (CMSLogger.CanCreateLogEvent(true, true, false, "CMSLogFrameEvent"))
{
CMSLogFrameEvent frameEvent = new CMSLogFrameEvent();
if (frameEvent != null)
{
frameEvent.SetImages(frames);
CMSLogger.SendLogEvent(frameEvent);
}
}
}
videoDisplay.SetVideo(frames);
}
}
}
public override void Process(System.Drawing.Bitmap [] frames)
{
Bitmap frame = frames[0];
if (frame == null)
{
throw new Exception("Frame is null!");
}
if (frame.Width != imageSize.Width || frame.Height != imageSize.Height)
{
throw new Exception("Invalid frame sizes");
}
_curFrame.setImage(frame);
CvImageWrapper.ConvertImageColor(_curFrame, _grey, ColorConversion.BGR2GRAY);
SwapPoints(ref _current_track_points[0], ref _last_track_points[0]);
cvCalcOpticalFlowPyrLK(_prev_grey._rawPtr, _grey._rawPtr, _prev_pyramid._rawPtr,
_pyramid._rawPtr, _last_track_points, _current_track_points, 1, _pwinsz, 3,
_status, null, _criteria, _flowflags);
if (validTrackPoint && _status[0] == 0)
{
if (CMSLogger.CanCreateLogEvent(false, false, false, "CMSLogStandardStateEvent"))
{
CMSLogStandardStateEvent logEvent = new CMSLogStandardStateEvent();
if (logEvent != null)
{
logEvent.ValidTrackingPoint = false;
CMSLogger.SendLogEvent(logEvent);
}
}
eyeLocatorTickCount = Environment.TickCount;
validTrackPoint = false;
imagePoint = PointF.Empty;
trackingSuiteAdapter.ToggleSetup(true);
trackingSuiteAdapter.SendMessage(CMSConstants.PLEASE_CLICK_TF);
}
LimitTPDelta(ref _current_track_points[0], _last_track_points[0]);
//CvPoint2D32f p = _current_track_points[0];
SwapImages(ref _grey, ref _prev_grey);
SwapImages(ref _pyramid, ref _prev_pyramid);
if (validTrackPoint)
{
imagePoint.X = _current_track_points[0].x;
imagePoint.Y = _current_track_points[0].y;
DrawOnFrame(frame);
}
else
{
if (!autoStartMode.Equals(AutoStartMode.None))
{
long eyeLocatorNewTickCount = Environment.TickCount;
if (eyeLocatorNewTickCount - eyeLocatorTickCount > 10000)
{
if (!autoStartEnded)
{
trackingSuiteAdapter.SendMessage("Please Blink");
autoStartEnded = true;
}
eyeLocator.AddImage(frame);
if (eyeLocator.TrackingPointsFound)
{
CvPoint2D32f p = new CvPoint2D32f();
if (autoStartMode.Equals(AutoStartMode.LeftEye))
{
p = eyeLocator.LeftEyeTrackingPoint;
}
else if (autoStartMode.Equals(AutoStartMode.RightEye))
{
p = eyeLocator.RightEyeTrackingPoint;
}
else if (autoStartMode.Equals(AutoStartMode.NoseMouth))
{
p = eyeLocator.MouseTrackingPoint;
}
eyeLocator.Reset();
imagePoint.X = (int)p.x;
imagePoint.Y = (int)p.y;
_current_track_points[0].x = p.x;
_current_track_points[0].y = p.y;
_last_track_points[0].x = p.x;
_last_track_points[0].y = p.y;
validTrackPoint = true;
trackingSuiteAdapter.ToggleSetup(false);
trackingSuiteAdapter.ToggleControl(true);
}
}
else
{
autoStartEnded = false;
int second = (int)Math.Round(((double)(10000 - (eyeLocatorNewTickCount - eyeLocatorTickCount))) / 1000.0);
trackingSuiteAdapter.SendMessage("Auto Start in " + second + " seconds");
}
}
}
}
// Thread entry point
public void WorkerThread()
{
// grabber
Grabber grabber = new Grabber(this);
// objects
object graphObj = null;
object sourceObj = null;
object grabberObj = null;
// interfaces
IGraphBuilder graph = null;
//IBaseFilter sourceBase = null;
IBaseFilter grabberBase = null;
ISampleGrabber sg = null;
IMediaControl mc = null;
try
{
// Get type for filter graph
Type srvType = Type.GetTypeFromCLSID(Clsid.FilterGraph);
if (srvType == null)
{
throw new ApplicationException("Failed creating filter graph");
}
// create filter graph
graphObj = Activator.CreateInstance(srvType);
graph = (IGraphBuilder)graphObj;
// ----
UCOMIBindCtx bindCtx = null;
UCOMIMoniker moniker = null;
int n = 0;
// create bind context
if (Win32.CreateBindCtx(0, out bindCtx) == 0)
{
// convert moniker`s string to a moniker
if (Win32.MkParseDisplayName(bindCtx, source, ref n, out moniker) == 0)
{
// get device base filter
Guid filterId = typeof(IBaseFilter).GUID;
moniker.BindToObject(null, null, ref filterId, out sourceObj);
Marshal.ReleaseComObject(moniker);
moniker = null;
}
Marshal.ReleaseComObject(bindCtx);
bindCtx = null;
}
// ----
if (sourceObj == null)
{
throw new ApplicationException("Failed creating device object for moniker");
}
sourceBase = (IBaseFilter)sourceObj;
// Get type for sample grabber
srvType = Type.GetTypeFromCLSID(Clsid.SampleGrabber);
if (srvType == null)
{
throw new ApplicationException("Failed creating sample grabber");
}
// create sample grabber
grabberObj = Activator.CreateInstance(srvType);
sg = (ISampleGrabber)grabberObj;
grabberBase = (IBaseFilter)grabberObj;
// add source filter to graph
graph.AddFilter(sourceBase, "source");
graph.AddFilter(grabberBase, "grabber");
// set media type
AMMediaType mt = new AMMediaType();
mt.majorType = MediaType.Video;
mt.subType = MediaSubType.RGB24;
sg.SetMediaType(mt);
// connect pins
if (graph.Connect(DSTools.GetOutPin(sourceBase, 0), DSTools.GetInPin(grabberBase, 0)) < 0)
{
throw new ApplicationException("Failed connecting filters");
}
// get media type
if (sg.GetConnectedMediaType(mt) == 0)
{
// This is where the actual video input info is obtained
VideoInfoHeader vih = (VideoInfoHeader)Marshal.PtrToStructure(mt.formatPtr, typeof(VideoInfoHeader));
//System.Diagnostics.Debug.WriteLine("width = " + vih.BmiHeader.Width + ", height = " + vih.BmiHeader.Height);
grabber.Width = vih.BmiHeader.Width;
grabber.Height = vih.BmiHeader.Height;
mt.Dispose();
if (VideoInputSizeDetermined != null)
{
VideoInputSizeDetermined(this, new Size(vih.BmiHeader.Width, vih.BmiHeader.Height));
}
}
// render
graph.Render(DSTools.GetOutPin(grabberBase, 0));
//
sg.SetBufferSamples(false);
sg.SetOneShot(false);
sg.SetCallback(grabber, 1);
// window
IVideoWindow win = (IVideoWindow)graphObj;
win.put_AutoShow(false);
win = null;
// get media control
mc = (IMediaControl)graphObj;
// run
mc.Run();
while (!stopEvent.WaitOne(0, true))
{
Thread.Sleep(100);
}
mc.StopWhenReady();
//mc.Stop();
}
// catch any exceptions
catch (Exception e)
{
try
{
if (CMSLogger.CanCreateLogEvent(true, true, false, "CMSLogExceptionEvent"))
{
CMSLogExceptionEvent exceptionEvent = new CMSLogExceptionEvent();
exceptionEvent.SetException(e);
CMSLogger.SendLogEvent(exceptionEvent);
}
}
catch
{
}
}
// finalization block
finally
{
// release all objects
mc = null;
graph = null;
sourceBase = null;
grabberBase = null;
sg = null;
if (graphObj != null)
{
Marshal.ReleaseComObject(graphObj);
graphObj = null;
}
if (sourceObj != null)
{
Marshal.ReleaseComObject(sourceObj);
sourceObj = null;
}
if (grabberObj != null)
{
Marshal.ReleaseComObject(grabberObj);
grabberObj = null;
}
}
}