public static byte[] GetThumbnail(FileInfo file, VideoThumbnailExtractor videoThumbnailExtractor)
{
if (!file.Exists)
{
return(null);
}
if (Helpers.IsImageFile(file.Name))
{
return(GetImageThumbnail(file));
}
else if (Helpers.IsVideoFile(file.Name) && videoThumbnailExtractor != null)
{
return(GetVideoThumbnail(file, videoThumbnailExtractor));
}
return(null);
}
private static byte[] GetVideoThumbnail(FileInfo file, VideoThumbnailExtractor videoThumbnailExtractor)
{
Image img = videoThumbnailExtractor.GenerateFromPath(file.FullName);
if (img == null)
{
return(null);
}
try
{
Image thumbnailRawBytes = Helpers.CreateThumbnail(img, 320, 320, Color.Black);
byte[] thumbnail = Helpers.ImageToJpegByteArray(thumbnailRawBytes);
return(thumbnail);
}
catch (ArgumentException)
{
return(null);
}
}
