fengcool.com » screenshot http://www.fengcool.com Just another WordPress weblog Mon, 31 May 2010 02:22:36 +0000 http://wordpress.org/?v=2.8.1 en hourly 1 ffmpeg – capture screenshot from a video file http://www.fengcool.com/2008/12/ffmpeg-capture-screenshot-from-a-video-file/ http://www.fengcool.com/2008/12/ffmpeg-capture-screenshot-from-a-video-file/#comments Sat, 13 Dec 2008 02:53:58 +0000 rick http://www.fengcool.com/?p=64 
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ffmpeg -i /my_video_file_dir/video.flv -y -f image2 -ss 8 -sameq -t 0.001 -s 320*240 /image_dir/screenshot.jpg

320*240 : image dimension is 320 pixels width and 240 pixels height
-ss 8 : screenshot will be taken at 8 second after video starts.

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