/// <summary>
/// This method renders the picture content into an avi file.
/// </summary>
private void RenderGazeVideo()
{
this.newSplash.Header = "Rendering gaze and mouse video";
this.newSplash.IsPreviewVisible = true;
var imageHandler =
new ImageFromVectorGraphics(
this.videoExportProperties.OutputVideoProperties,
this.videoExportProperties.GazeVideoProperties.StreamStartTime,
this.videoExportProperties.GazeVideoProperties.StreamEndTime,
this.videoFramePusher,
this.replayPicture.RenderFrame);
imageHandler.Progress += this.imageHandler_Progress;
imageHandler.Finished += this.imageHandler_Finished;
// Setup usercam video filename.
this.directShowInterface = new DSRecord(
imageHandler,
this.videoExportProperties,
this.newSplash.PreviewWindow);
this.directShowInterface.Completed += this.directShowInterface_Completed;
this.replayPicture.ResetPicture();
if (this.replayPicture.InitDrawingElements())
{
// Update pictures properties
this.replayPicture.ReplayPosition = this.currentTrialTime;
this.replayPicture.BeginUpdate();
this.Cursor = Cursors.Default;
this.directShowInterface.Start();
}
}
/// <summary>
/// Unregister custom events.
/// </summary>
protected override void CustomDispose()
{
if (this.videoFramePusher != null)
{
this.videoFramePusher.VideoFrameAvailable -= new BitmapEventHandler(this.videoFramePusher_VideoFrameAvailable);
this.videoFramePusher.Dispose();
}
// DO not dispose the usercam, because its just a copy of the context panels UserCam.
// this.usercamVideoPlayer.Dispose();
if (this.directShowInterface != null)
{
this.directShowInterface.Stop();
this.directShowInterface.Dispose();
this.directShowInterface = null;
}
base.CustomDispose();
this.cbbSpeed.ComboBox.SelectionChangeCommitted -= new EventHandler(this.cbbSpeed_SelectionChangeCommitted);
}
/// <summary>
/// The <see cref="DSRecord.Completed"/> event handler for the video
/// export.
/// </summary>
/// <param name="sender">Source of the event.</param>
/// <param name="e">An empty <see cref="EventArgs"/>.</param>
private void directShowInterface_Completed(object sender, EventArgs e)
{
try
{
if (this.directShowInterface != null)
{
this.directShowInterface.Completed -= this.directShowInterface_Completed;
this.directShowInterface.Dispose();
this.directShowInterface = null;
}
this.ShowVideoExportResult();
}
catch (Exception ex)
{
ExceptionMethods.HandleException(ex);
}
}