Adding an Image Frame or Watermark for Video in Android programmatically -

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i working on android camera application have capability of image , video capturing. later users can annotate on image , add watermark video. went fine when drawing annotation on image failed no solution. in iphone there avcomposition library draw watermark on videos. don't know whether such library exists android or not know if has come across such requirement , got solution.

can 1 guide how started composing image on video. atleast adding text video somewhere


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