实例介绍
【实例简介】图像移动检测motion_src
【实例截图】
【核心代码】
// Motion Detector
//
// Copyright ?Andrew Kirillov, 2005
// andrew.kirillov@gmail.com
//
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using VideoSource;
using Tiger.Video.VFW;
namespace motion
{
/// <summary>
/// Summary description for MainForm
/// </summary>
public class MainForm : System.Windows.Forms.Form
{
// statistics
private const int statLength = 15;
private int statIndex = 0, statReady = 0;
private int[] statCount = new int[statLength];
private IMotionDetector detector = new MotionDetector3Optimized( );
private int detectorType = 4;
private int intervalsToSave = 0;
private AVIWriter writer = null;
private bool saveOnMotion = false;
private System.Windows.Forms.MenuItem fileItem;
private System.Windows.Forms.MenuItem openFileItem;
private System.Windows.Forms.MenuItem menuItem1;
private System.Windows.Forms.MenuItem exitFileItem;
private System.Windows.Forms.OpenFileDialog ofd;
private System.Windows.Forms.MainMenu mainMenu;
private System.Timers.Timer timer;
private System.Windows.Forms.StatusBar statusBar;
private System.Windows.Forms.StatusBarPanel fpsPanel;
private System.Windows.Forms.Panel panel;
private motion.CameraWindow cameraWindow;
private System.Windows.Forms.MenuItem motionItem;
private System.Windows.Forms.MenuItem noneMotionItem;
private System.Windows.Forms.MenuItem menuItem2;
private System.Windows.Forms.MenuItem detector1MotionItem;
private System.Windows.Forms.MenuItem detector2MotionItem;
private System.Windows.Forms.MenuItem detector3MotionItem;
private System.Windows.Forms.MenuItem detector3OptimizedMotionItem;
private System.Windows.Forms.MenuItem openURLFileItem;
private System.Windows.Forms.MenuItem openLocalFileItem;
private System.Windows.Forms.MenuItem openMJEPGFileItem;
private System.Windows.Forms.MenuItem detector4MotionItem;
private System.Windows.Forms.MenuItem helpItem;
private System.Windows.Forms.MenuItem aboutHelpItem;
private System.Windows.Forms.MenuItem menuItem3;
private System.Windows.Forms.MenuItem detectorSaveItem;
private System.Windows.Forms.MenuItem motionAlarmItem;
private IContainer components;
public MainForm( )
{
//
// Required for Windows Form Designer support
//
InitializeComponent( );
//
// TODO: Add any constructor code after InitializeComponent call
//
}
/// <summary>
/// Clean up any resources being used.
/// </summary>
protected override void Dispose( bool disposing )
{
if ( disposing )
{
if ( components != null )
{
components.Dispose( );
}
}
base.Dispose( disposing );
}
#region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent( )
{
this.components = new System.ComponentModel.Container( );
System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager( typeof( MainForm ) );
this.mainMenu = new System.Windows.Forms.MainMenu( this.components );
this.fileItem = new System.Windows.Forms.MenuItem( );
this.openFileItem = new System.Windows.Forms.MenuItem( );
this.openURLFileItem = new System.Windows.Forms.MenuItem( );
this.openMJEPGFileItem = new System.Windows.Forms.MenuItem( );
this.openLocalFileItem = new System.Windows.Forms.MenuItem( );
this.menuItem1 = new System.Windows.Forms.MenuItem( );
this.exitFileItem = new System.Windows.Forms.MenuItem( );
this.motionItem = new System.Windows.Forms.MenuItem( );
this.noneMotionItem = new System.Windows.Forms.MenuItem( );
this.menuItem2 = new System.Windows.Forms.MenuItem( );
this.detector1MotionItem = new System.Windows.Forms.MenuItem( );
this.detector2MotionItem = new System.Windows.Forms.MenuItem( );
this.detector3MotionItem = new System.Windows.Forms.MenuItem( );
this.detector3OptimizedMotionItem = new System.Windows.Forms.MenuItem( );
this.detector4MotionItem = new System.Windows.Forms.MenuItem( );
this.menuItem3 = new System.Windows.Forms.MenuItem( );
this.detectorSaveItem = new System.Windows.Forms.MenuItem( );
this.motionAlarmItem = new System.Windows.Forms.MenuItem( );
this.helpItem = new System.Windows.Forms.MenuItem( );
this.aboutHelpItem = new System.Windows.Forms.MenuItem( );
this.ofd = new System.Windows.Forms.OpenFileDialog( );
this.timer = new System.Timers.Timer( );
this.statusBar = new System.Windows.Forms.StatusBar( );
this.fpsPanel = new System.Windows.Forms.StatusBarPanel( );
this.panel = new System.Windows.Forms.Panel( );
this.cameraWindow = new motion.CameraWindow( );
( (System.ComponentModel.ISupportInitialize) ( this.timer ) ).BeginInit( );
( (System.ComponentModel.ISupportInitialize) ( this.fpsPanel ) ).BeginInit( );
this.panel.SuspendLayout( );
this.SuspendLayout( );
//
// mainMenu
//
this.mainMenu.MenuItems.AddRange( new System.Windows.Forms.MenuItem[] {
this.fileItem,
this.motionItem,
this.helpItem} );
//
// fileItem
//
this.fileItem.Index = 0;
this.fileItem.MenuItems.AddRange( new System.Windows.Forms.MenuItem[] {
this.openFileItem,
this.openURLFileItem,
this.openMJEPGFileItem,
this.openLocalFileItem,
this.menuItem1,
this.exitFileItem} );
this.fileItem.Text = "&File";
//
// openFileItem
//
this.openFileItem.Index = 0;
this.openFileItem.Shortcut = System.Windows.Forms.Shortcut.CtrlO;
this.openFileItem.Text = "&Open";
this.openFileItem.Click = new System.EventHandler( this.openFileItem_Click );
//
// openURLFileItem
//
this.openURLFileItem.Index = 1;
this.openURLFileItem.Text = "Open JPEG &URL";
this.openURLFileItem.Click = new System.EventHandler( this.openURLFileItem_Click );
//
// openMJEPGFileItem
//
this.openMJEPGFileItem.Index = 2;
this.openMJEPGFileItem.Text = "Open M&JPEG URL";
this.openMJEPGFileItem.Click = new System.EventHandler( this.openMJEPGFileItem_Click );
//
// openLocalFileItem
//
this.openLocalFileItem.Index = 3;
this.openLocalFileItem.Text = "Open &Local Device";
this.openLocalFileItem.Click = new System.EventHandler( this.openLocalFileItem_Click );
//
// menuItem1
//
this.menuItem1.Index = 4;
this.menuItem1.Text = "-";
//
// exitFileItem
//
this.exitFileItem.Index = 5;
this.exitFileItem.Text = "E&xit";
this.exitFileItem.Click = new System.EventHandler( this.exitFileItem_Click );
//
// motionItem
//
this.motionItem.Index = 1;
this.motionItem.MenuItems.AddRange( new System.Windows.Forms.MenuItem[] {
this.noneMotionItem,
this.menuItem2,
this.detector1MotionItem,
this.detector2MotionItem,
this.detector3MotionItem,
this.detector3OptimizedMotionItem,
this.detector4MotionItem,
this.menuItem3,
this.detectorSaveItem,
this.motionAlarmItem} );
this.motionItem.Text = "&Motion";
this.motionItem.Popup = new System.EventHandler( this.motionItem_Popup );
//
// noneMotionItem
//
this.noneMotionItem.Index = 0;
this.noneMotionItem.Text = "&None";
this.noneMotionItem.Click = new System.EventHandler( this.noneMotionItem_Click );
//
// menuItem2
//
this.menuItem2.Index = 1;
this.menuItem2.Text = "-";
//
// detector1MotionItem
//
this.detector1MotionItem.Index = 2;
this.detector1MotionItem.Text = "Detector &1";
this.detector1MotionItem.Click = new System.EventHandler( this.detector1MotionItem_Click );
//
// detector2MotionItem
//
this.detector2MotionItem.Index = 3;
this.detector2MotionItem.Text = "Detector &2";
this.detector2MotionItem.Click = new System.EventHandler( this.detector2MotionItem_Click );
//
// detector3MotionItem
//
this.detector3MotionItem.Index = 4;
this.detector3MotionItem.Text = "Detector &3";
this.detector3MotionItem.Click = new System.EventHandler( this.detector3MotionItem_Click );
//
// detector3OptimizedMotionItem
//
this.detector3OptimizedMotionItem.Index = 5;
this.detector3OptimizedMotionItem.Text = "Detector 3 - Optimized";
this.detector3OptimizedMotionItem.Click = new System.EventHandler( this.detector3OptimizedMotionItem_Click );
//
// detector4MotionItem
//
this.detector4MotionItem.Index = 6;
this.detector4MotionItem.Text = "Detector &4";
this.detector4MotionItem.Click = new System.EventHandler( this.detector4MotionItem_Click );
//
// menuItem3
//
this.menuItem3.Index = 7;
this.menuItem3.Text = "-";
//
// detectorSaveItem
//
this.detectorSaveItem.Index = 8;
this.detectorSaveItem.Text = "&Save on motion";
this.detectorSaveItem.Click = new System.EventHandler( this.detectorSaveItem_Click );
//
// motionAlarmItem
//
this.motionAlarmItem.Checked = true;
this.motionAlarmItem.Index = 9;
this.motionAlarmItem.Text = "&Enable motion alarm";
this.motionAlarmItem.Click = new System.EventHandler( this.motionAlarmItem_Click );
//
// helpItem
//
this.helpItem.Index = 2;
this.helpItem.MenuItems.AddRange( new System.Windows.Forms.MenuItem[] {
this.aboutHelpItem} );
this.helpItem.Text = "&Help";
//
// aboutHelpItem
//
this.aboutHelpItem.Index = 0;
this.aboutHelpItem.Text = "&About";
this.aboutHelpItem.Click = new System.EventHandler( this.aboutHelpItem_Click );
//
// ofd
//
this.ofd.Filter = "AVI files (*.avi)|*.avi";
this.ofd.Title = "Open movie";
//
// timer
//
this.timer.Interval = 1000;
this.timer.SynchronizingObject = this;
this.timer.Elapsed = new System.Timers.ElapsedEventHandler( this.timer_Elapsed );
//
// statusBar
//
this.statusBar.Location = new System.Drawing.Point( 0, 323 );
this.statusBar.Name = "statusBar";
this.statusBar.Panels.AddRange( new System.Windows.Forms.StatusBarPanel[] {
this.fpsPanel} );
this.statusBar.ShowPanels = true;
this.statusBar.Size = new System.Drawing.Size( 408, 22 );
this.statusBar.TabIndex = 1;
//
// fpsPanel
//
this.fpsPanel.AutoSize = System.Windows.Forms.StatusBarPanelAutoSize.Spring;
this.fpsPanel.Name = "fpsPanel";
this.fpsPanel.Width = 391;
//
// panel
//
this.panel.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D;
this.panel.Controls.Add( this.cameraWindow );
this.panel.Dock = System.Windows.Forms.DockStyle.Fill;
this.panel.Location = new System.Drawing.Point( 0, 0 );
this.panel.Name = "panel";
this.panel.Size = new System.Drawing.Size( 408, 323 );
this.panel.TabIndex = 2;
//
// cameraWindow
//
this.cameraWindow.BackColor = System.Drawing.SystemColors.AppWorkspace;
this.cameraWindow.Camera = null;
this.cameraWindow.Location = new System.Drawing.Point( 41, 38 );
this.cameraWindow.Name = "cameraWindow";
this.cameraWindow.Size = new System.Drawing.Size( 322, 242 );
this.cameraWindow.TabIndex = 1;
//
// MainForm
//
this.AutoScaleBaseSize = new System.Drawing.Size( 5, 13 );
this.ClientSize = new System.Drawing.Size( 408, 345 );
this.Controls.Add( this.panel );
this.Controls.Add( this.statusBar );
this.Icon = ( (System.Drawing.Icon) ( resources.GetObject( "$this.Icon" ) ) );
this.Menu = this.mainMenu;
this.Name = "MainForm";
this.Text = "Motion Detector";
this.Closing = new System.ComponentModel.CancelEventHandler( this.MainForm_Closing );
( (System.ComponentModel.ISupportInitialize) ( this.timer ) ).EndInit( );
( (System.ComponentModel.ISupportInitialize) ( this.fpsPanel ) ).EndInit( );
this.panel.ResumeLayout( false );
this.ResumeLayout( false );
}
#endregion
/// <summary>
/// The main entry point for the application.
/// </summary>
[STAThread]
static void Main( )
{
Application.Run( new MainForm( ) );
}
// On form closing
private void MainForm_Closing( object sender, System.ComponentModel.CancelEventArgs e )
{
CloseFile( );
}
// Close the main form
private void exitFileItem_Click( object sender, System.EventArgs e )
{
this.Close( );
}
// On "Help->About"
private void aboutHelpItem_Click( object sender, System.EventArgs e )
{
AboutForm form = new AboutForm( );
form.ShowDialog( );
}
// Open file
private void openFileItem_Click( object sender, System.EventArgs e )
{
if ( ofd.ShowDialog( ) == DialogResult.OK )
{
// create video source
VideoFileSource fileSource = new VideoFileSource( );
fileSource.VideoSource = ofd.FileName;
// open it
OpenVideoSource( fileSource );
}
}
// Open URL
private void openURLFileItem_Click( object sender, System.EventArgs e )
{
URLForm form = new URLForm( );
form.Description = "Enter URL of an updating JPEG from a web camera:";
form.URLs = new string[]
{
"http://61.220.38.10/axis-cgi/jpg/image.cgi?camera=1",
"http://212.98.46.120/axis-cgi/jpg/image.cgi?resolution=352x240",
"http://webcam.mmhk.cz/axis-cgi/jpg/image.cgi?resolution=320x240",
"http://195.243.185.195/axis-cgi/jpg/image.cgi?camera=1"
};
if ( form.ShowDialog( this ) == DialogResult.OK )
{
// create video source
JPEGStream jpegSource = new JPEGStream( );
jpegSource.VideoSource = form.URL;
// open it
OpenVideoSource( jpegSource );
}
}
// Open MJPEG URL
private void openMJEPGFileItem_Click( object sender, System.EventArgs e )
{
URLForm form = new URLForm( );
form.Description = "Enter URL of an MJPEG video stream:";
form.URLs = new string[]
{
"http://129.186.47.239/axis-cgi/mjpg/video.cgi?resolution=352x240",
"http://195.243.185.195/axis-cgi/mjpg/video.cgi?camera=3",
"http://195.243.185.195/axis-cgi/mjpg/video.cgi?camera=4",
"http://chipmunk.uvm.edu/cgi-bin/webcam/nph-update.cgi?dummy=garb"
};
if ( form.ShowDialog( this ) == DialogResult.OK )
{
// create video source
MJPEGStream mjpegSource = new MJPEGStream( );
mjpegSource.VideoSource = form.URL;
// open it
OpenVideoSource( mjpegSource );
}
}
// Open local capture device
private void openLocalFileItem_Click( object sender, System.EventArgs e )
{
CaptureDeviceForm form = new CaptureDeviceForm( );
if ( form.ShowDialog( this ) == DialogResult.OK )
{
// create video source
CaptureDevice localSource = new CaptureDevice( );
localSource.VideoSource = form.Device;
// open it
OpenVideoSource( localSource );
}
}
// Open video source
private void OpenVideoSource( IVideoSource source )
{
// set busy cursor
this.Cursor = Cursors.WaitCursor;
// close previous file
CloseFile( );
// enable/disable motion alarm
if ( detector != null )
{
detector.MotionLevelCalculation = motionAlarmItem.Checked;
}
// create camera
Camera camera = new Camera( source, detector );
// start camera
camera.Start( );
// attach camera to camera window
cameraWindow.Camera = camera;
// reset statistics
statIndex = statReady = 0;
// set event handlers
camera.NewFrame = new EventHandler( camera_NewFrame );
camera.Alarm = new EventHandler( camera_Alarm );
// start timer
timer.Start( );
this.Cursor = Cursors.Default;
}
// Close current file
private void CloseFile( )
{
Camera camera = cameraWindow.Camera;
if ( camera != null )
{
// detach camera from camera window
cameraWindow.Camera = null;
// signal camera to stop
camera.SignalToStop( );
// wait for the camera
camera.WaitForStop( );
camera = null;
if ( detector != null )
detector.Reset( );
}
if ( writer != null )
{
writer.Dispose( );
writer = null;
}
intervalsToSave = 0;
}
// On timer event - gather statistic
private void timer_Elapsed( object sender, System.Timers.ElapsedEventArgs e )
{
Camera camera = cameraWindow.Camera;
if ( camera != null )
{
// get number of frames for the last second
statCount[statIndex] = camera.FramesReceived;
// increment indexes
if ( statIndex >= statLength )
statIndex = 0;
if ( statReady < statLength )
statReady ;
float fps = 0;
// calculate average value
for ( int i = 0; i < statReady; i )
{
fps = statCount[i];
}
fps /= statReady;
statCount[statIndex] = 0;
fpsPanel.Text = fps.ToString( "F2" ) " fps";
}
// descrease save counter
if ( intervalsToSave > 0 )
{
if ( ( --intervalsToSave == 0 ) && ( writer != null ) )
{
writer.Dispose( );
writer = null;
}
}
}
// Remove any motion detectors
private void noneMotionItem_Click( object sender, System.EventArgs e )
{
detector = null;
detectorType = 0;
SetMotionDetector( );
}
// Select detector 1
private void detector1MotionItem_Click( object sender, System.EventArgs e )
{
detector = new MotionDetector1( );
detectorType = 1;
SetMotionDetector( );
}
// Select detector 2
private void detector2MotionItem_Click( object sender, System.EventArgs e )
{
detector = new MotionDetector2( );
detectorType = 2;
SetMotionDetector( );
}
// Select detector 3
private void detector3MotionItem_Click( object sender, System.EventArgs e )
{
detector = new MotionDetector3( );
detectorType = 3;
SetMotionDetector( );
}
// Select detector 3 - optimized
private void detector3OptimizedMotionItem_Click( object sender, System.EventArgs e )
{
detector = new MotionDetector3Optimized( );
detectorType = 4;
SetMotionDetector( );
}
// Select detector 4
private void detector4MotionItem_Click( object sender, System.EventArgs e )
{
detector = new MotionDetector4( );
detectorType = 5;
SetMotionDetector( );
}
// Update motion detector
private void SetMotionDetector( )
{
Camera camera = cameraWindow.Camera;
// enable/disable motion alarm
if ( detector != null )
{
detector.MotionLevelCalculation = motionAlarmItem.Checked;
}
// set motion detector to camera
if ( camera != null )
{
camera.Lock( );
camera.MotionDetector = detector;
// reset statistics
statIndex = statReady = 0;
camera.Unlock( );
}
}
// On "Motion" menu item popup
private void motionItem_Popup( object sender, System.EventArgs e )
{
MenuItem[] items = new MenuItem[]
{
noneMotionItem, detector1MotionItem,
detector2MotionItem, detector3MotionItem, detector3OptimizedMotionItem,
detector4MotionItem
};
for ( int i = 0; i < items.Length; i )
{
items[i].Checked = ( i == detectorType );
}
}
// On alarm
private void camera_Alarm( object sender, System.EventArgs e )
{
// save movie for 5 seconds after motion stops
intervalsToSave = (int) ( 5 * ( 1000 / timer.Interval ) );
}
// On new frame
private void camera_NewFrame( object sender, System.EventArgs e )
{
if ( ( intervalsToSave != 0 ) && ( saveOnMotion == true ) )
{
// lets save the frame
if ( writer == null )
{
// create file name
DateTime date = DateTime.Now;
String fileName = String.Format( "{0}-{1}-{2} {3}-{4}-{5}.avi",
date.Year, date.Month, date.Day, date.Hour, date.Minute, date.Second );
try
{
// create AVI writer
writer = new AVIWriter( "wmv3" );
// open AVI file
writer.Open( fileName, cameraWindow.Camera.Width, cameraWindow.Camera.Height );
}
catch ( ApplicationException ex )
{
if ( writer != null )
{
writer.Dispose( );
writer = null;
}
}
}
// save the frame
Camera camera = cameraWindow.Camera;
camera.Lock( );
writer.AddFrame( camera.LastFrame );
camera.Unlock( );
}
}
// Switch saving mode
private void detectorSaveItem_Click( object sender, System.EventArgs e )
{
// change saving mode
saveOnMotion = !saveOnMotion;
// update menu
detectorSaveItem.Checked = saveOnMotion;
}
// Enable/disable motion alaram
private void motionAlarmItem_Click( object sender, System.EventArgs e )
{
motionAlarmItem.Checked = !motionAlarmItem.Checked;
// enable/disable motion alarm
if ( detector != null )
{
detector.MotionLevelCalculation = motionAlarmItem.Checked;
}
}
}
}
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