[MEncoder-users] [MPlayer-users] how to create thumbnail using mplayer?

[totob at libero.it]

The Wanderer wrote:

>This is not done with MEncoder, but with MPlayer:
>mplayer -vo jpeg -frames 1 -ss <offset which gets you to the >appropriate
>point in the video>

Thank you!
It works but even changing the value of -ss option it always takes first frame. How can i calculate the offset if, for example, Id like to take the one frame of the third second of movie? 
Do you think it is a matter of codec (im using extracting from .flv file)?

thanks again!


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