iphone - Timestamp as watermark on iOS video -


i want add timestamp watermark on recorded , capturing videos in ios app.

here have got posted question , answer on stackoverflow.com

how can add watermark in captured video on ios

and other examples on web.

but still watermark. trying achieve is

if user started recording video on december 20, 2011 @ 17:32:24 , video 3 minutes long, timestamp @ beginning of video read 12/20/2011 // 17:32:24. time change video progresses , timestamp on last frame of video read 12/20/2011 // 17:35:24.

i confused how can done? have tried lot not getting through.

any guidance, highly appreciated.

thanks


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