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+1  Q: 

To cut flv video using php

I am trying to provide a preview of 30 seconds of premium videos (users have to pay to watch it completely). So I want to create a video file of 30 seconds at the time of uploading these videos. I used ffmpeg as below, but it is not working.

ffmpeg -ss 00:00:00.0 -t 00:00:30.0 -i input.flv -acodec copy -vcodec copy -async 1 output.flv

Thanks in Advance

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