Android Video Recording FFmpeg Delete Video Segments

This project will consist of existing code which will be giving. I just need to be able to delete video recordings like how instagram does it. Please view picture to see what i mean. All you have to do is add code so when i record a video then record another i want to delete it will delete the second video recorder and still keep the first exactly how instagram does it. The Existing project code contains the video recorder and the recorder does work which you can do like instagram just need the delete feature. Easy project for experienced programmer. Happy Bidding :)