public static Duration GetDuration(string fileName)
{
Duration naturalDuration = Duration.Automatic;
Window w = new Window
{
Content = _videoElement = new MediaElement() { IsMuted = true },
IsHitTestVisible = false,
Width = 0,
Height = 0,
WindowStyle = WindowStyle.None,
ShowInTaskbar = false,
ShowActivated = false
};
_videoElement.MediaOpened += (sender, args) =>
{
naturalDuration = _videoElement.NaturalDuration;
_videoElement.Close();
w.Close();
};
_videoElement.LoadedBehavior = MediaState.Manual;
_videoElement.UnloadedBehavior = MediaState.Manual;
_videoElement.Source = new Uri(fileName);
_videoElement.Play();
w.ShowDialog();
return naturalDuration;
}
private void SetVideo(MediaElement player, AudioVisual audioVisual)
{
player.Close();
if (audioVisual.Video != null)
{
player.Source = audioVisual.Video;
player.Play();
}
}