[FFmpeg-user] scaling and overlaying a png watermark to video

[Stefano Sabatini]

On date Thursday 2011-09-01 22:15:05 +0100, G encoded:
> Hi, so I'm trying to resize a png watermark image, and then overlay
> it to an video like so:
> 
> ffmpeg -i input.mpg -vf "movie=wm.png [watermark];[in][watermark]
> scale=120:120,overlay=10:10 [out]" output/test.mpg

[in][watermark]scale=120:120

you're specifying two inputs for the scale filter, which only accepts
a single input.

I suppose you mean:

movie=wm.png, scale=120:120 [watermark]; [in][watermark] overlay=10:10 [out]
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