title: How can i add watermark to video in android studio with library
body: <p>I want to add a watermark to a video. so that when user select a video from gallery in the android studio. then watermark will be added to the video automatically like this.
  Please check the image that how i want to add watermark logo to a video with auto adjust logo size according to the video.</p>
  
  <p><a href="https://i.stack.imgur.com/mUN90.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/mUN90.png" alt="enter image description here"></a></p>
  
  <p>Or when user will download a video then a watermark will be added to the videos. i have searched a lot but not found any library for adding watermark to a video. I have found something with FFMPEG but not working in android studio. so please provide me a library or a way to add watermark to a video.</p>