// 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( );
}
}
// 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;
}
}
}
private void closeAllCameras()
{
foreach (rigItem rigI in CameraRig.rig)
{
Camera camera = rigI.cam;
camera.SignalToStop();
camera.WaitForStop();
}
if (writer != null)
{
writer.Dispose();
writer = null;
}
intervalsToSave = 0;
}
