[FFmpeg-user] Create a thumbnail image every X seconds of the video

[Lou]

On Sat, Jul 5, 2014, at 02:51 AM, zahid mahmood wrote:
> hello i have following command to get every second images from video.
> 
>   ffmpeg -i input.flv -f image2 -vf fps=fps=1 out%d.png
> 
> this command extract whole image every second . i want to get images from
> specific (x,y) position. for example i want to get images from top of
> left
> side of video.

Try the crop filter:
http://ffmpeg.org/ffmpeg-filters.html#crop