title: What the best way or lib for creating thumbnail from memory stream (video) in C#?
body: <p>I have to create multiple thumbnails and save on amazon s3 in c#. I don't find library which can create thumbnail from memory stream only from source file. But can't have file source, I have only the stream from the upload and I don't want save localy the file. </p>
  
  <p>Thx for ur help! </p>