[FFmpeg-soc] Overlaying an animation over a video

[Vitor Sessak]

Andy Reece wrote:
> I'm trying to get 1 movie to sit over another
> I have libavfilter installed but if i run the method described in  
> vsrc_movie.c

You are welcome to test, but note that libavfilter is still kind of 
experimental...

> ffmpeg -i in.avi -s 240x320 -vfilters "[in]setpts=PTS-STARTPTS, 
> [T1 
> ]overlay=16:16[out];movie=3200000:avi:in.avi,scale=180:144,setpts=PTS- 
> STARTPTS[T1]" -y out.avi
> 
> I get:
> no such filter: 'movie'
> Error opening filters!

I think you missed to pass --enable-avfilter-lavf to ./configure...

> Also I am presuming that this will not allow transparency say in the  
> form of a transparent flv

No, it'll need to write a new filter for overlaying with alpha.

-Vitor