///////////////////////////////////////////////////////////////////////////////
// Construction and Initializing methods //
///////////////////////////////////////////////////////////////////////////////
#region CONSTRUCTION
/// <summary>
/// Initializes a new instance of the DSRecordWithDMO class.
/// </summary>
/// <param name="newImageHandler">An <see cref="ImageFromVectorGraphics"/>
/// with the callback.</param>
/// <param name="newVideoExportProperties">A <see cref="VideoExportProperties"/> with
/// the video export properties.</param>
/// <param name="newPreviewWindow">A <see cref="Control"/> with
/// the preview panel.</param>
public DSRecordWithDMO(
ImageFromVectorGraphics newImageHandler,
VideoExportProperties newVideoExportProperties,
Control newPreviewWindow)
{
try
{
// set the image provider
this.imageHandler = newImageHandler;
// set the video properties
this.videoExportProperties = newVideoExportProperties;
if (this.videoExportProperties.OutputVideoProperties.VideoCompressor != string.Empty)
{
// Create the filter for the selected video compressor
this.videoCompressor = DirectShowUtils.CreateFilter(
FilterCategory.VideoCompressorCategory,
this.videoExportProperties.OutputVideoProperties.VideoCompressor);
}
if (this.videoExportProperties.OutputVideoProperties.AudioCompressor != string.Empty)
{
// Create the filter for the selected video compressor
this.audioCompressor = DirectShowUtils.CreateFilter(
FilterCategory.AudioCompressorCategory,
this.videoExportProperties.OutputVideoProperties.AudioCompressor);
}
// Set up preview window
this.previewWindow = newPreviewWindow;
// Set up the graph
if (!this.SetupGraph())
{
throw new OperationCanceledException("The DirectShow graph could not be created,"
+ " try to use another video or audio compressor.");
}
}
catch
{
this.Dispose();
throw;
}
}
/// <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();
}
}
///////////////////////////////////////////////////////////////////////////////
// Construction and Initializing methods //
///////////////////////////////////////////////////////////////////////////////
#region CONSTRUCTION
/// <summary>
/// Initializes a new instance of the DSRecordWithDMO class.
/// </summary>
/// <param name="newImageHandler">An <see cref="ImageFromVectorGraphics"/>
/// with the callback.</param>
/// <param name="newVideoExportProperties">A <see cref="VideoExportProperties"/> with
/// the video export properties.</param>
/// <param name="newPreviewWindow">A <see cref="Control"/> with
/// the preview panel.</param>
public DSRecordWithDMO(
ImageFromVectorGraphics newImageHandler,
VideoExportProperties newVideoExportProperties,
Control newPreviewWindow)
{
try
{
// set the image provider
this.imageHandler = newImageHandler;
// set the video properties
this.videoExportProperties = newVideoExportProperties;
if (this.videoExportProperties.OutputVideoProperties.VideoCompressor != string.Empty)
{
// Create the filter for the selected video compressor
this.videoCompressor = DirectShowUtils.CreateFilter(
FilterCategory.VideoCompressorCategory,
this.videoExportProperties.OutputVideoProperties.VideoCompressor);
}
if (this.videoExportProperties.OutputVideoProperties.AudioCompressor != string.Empty)
{
// Create the filter for the selected video compressor
this.audioCompressor = DirectShowUtils.CreateFilter(
FilterCategory.AudioCompressorCategory,
this.videoExportProperties.OutputVideoProperties.AudioCompressor);
}
// Set up preview window
this.previewWindow = newPreviewWindow;
// Set up the graph
if (!this.SetupGraph())
{
throw new OperationCanceledException("The DirectShow graph could not be created,"
+ " try to use another video or audio compressor.");
}
}
catch
{
this.Dispose();
throw;
}
}
