[FFmpeg-user] lbavfilter. watermark. time interval.

Clément Bœsch ubitux at gmail.com
Sat Dec 10 00:18:17 CET 2011

On Fri, Dec 09, 2011 at 11:48:05PM +0200, demimurych wrote:
> Hello.
> I'm currently working with libavfilter and have a question relating watermarks. 
> What I already know is how to put a watermark on a whole video clip. 
> ffmpeg  -i inputfile   -vf "movie=650_360_net.png [logo]; [in][logo] overlay=W-
> w-20:H-h-20 [out]"  outpufile
> What I'm trying to achieve is to place a watermark that would only be visible 
> from some certain point and to some point - for example, only the first 10 
> seconds of the video clip. 
> If there's a workaround that can make it possible please let me know. I'm 
> stuck on this issue right now so I would be glad to receive an answer. 
> Thanks in advance.

Maybe you could generate a 10 seconds video with your source image, and
use it as overlay?

Clément B.
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