Inserting Indicator in Video While Recording the Video?

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http://androidforums.com – I have to do simple task of recording video. Following is the my desired screen Image: img41.imageshack.us/img41/9262/imagepssz.jpg while recording When Press Good Button Indicator In Recored video become Green and On Press on Wrog Button Indicator become RED. How can I do this task?? If have code Please share. On Playback we want to see indicator. and also need to remove some part of videos at the end. (General)