public async Task <Stream> GetThumbnailAsync(CancellationToken ct, ThumbnailMode mode)
{
var stream = await UIThread.Current.Run(async ict =>
{
try
{
var fileUrl = NSUrl.FromFilename(this.Path);
var movie = new MPMoviePlayerController(fileUrl);
movie.ShouldAutoplay = false;
movie.Stop();
var image = movie.ThumbnailImageAt(1.0, MPMovieTimeOption.Exact);
movie.SafeDispose();
return(image.AsPNG().AsStream());
}
catch (Exception e)
{
this.Log().Error("The thumbnail could not retrieved.", e);
return(null);
}
}, ct);
return(stream);
}
