/// <summary>
/// Core method for finishing pending operations, closing the loaded script,
/// releasing resources and resetting the runtime context.
/// </summary>
protected virtual void CloseScriptCore()
{
NewSourceRenderSurface?.Invoke(this, new NewRenderSurfaceEventArgs(IntPtr.Zero));
NewPreviewRenderSurface?.Invoke(this, new NewRenderSurfaceEventArgs(IntPtr.Zero));
var internalContext = InternalContext;
internalContext.IsVideoPlaying = false;
internalContext.HasVideo = false;
internalContext.VideoFrameSize = Size.Empty;
internalContext.VideoFrameCount = 0;
internalContext.SeekableVideoFrameCount = 0;
internalContext.VideoDuration = TimeSpan.Zero;
internalContext.VideoFramerate = new Fraction(1, 1);
internalContext.SetFrameNumberInternal(0);
internalContext.SetVideoPositionInternal(TimeSpan.Zero);
internalContext.AspectRatio = new Ratio(1, 1, false);
internalContext.SetOutputPreviewSizeInternal(
new VideoSizeOptions()
{
ResizeMode = VideoResizeMode.None,
PixelWidth = 0,
PixelHeight = 0
}
);
}
/// <summary>
/// Raises the <see cref="NewPreviewRenderSurface"/> event
/// with arguments containing a <see cref="IntPtr">pointer</see> to the unmanaged Direct3D preview render surface.
/// </summary>
/// <param name="previewRenderSurfacePtr">A <see cref="IntPtr">pointer</see> to the unmanaged Direct3D preview render surface.</param>
protected void OnNewPreviewRenderSurface(IntPtr previewRenderSurfacePtr)
{
NewPreviewRenderSurface?.Invoke(this, new NewRenderSurfaceEventArgs(previewRenderSurfacePtr));
}