[libav-tools] insert a logo with transparency

Anton Khirnov anton at khirnov.net
Tue Jun 26 17:37:45 CEST 2012

On Mon, 25 Jun 2012 21:46:44 -0300, Rossana Guerra <guerra.rossana at gmail.com> wrote:
> Hello, this is the command I am using
> avconv -loglevel error -i video1.avi -vf "movie=logo.png [logo]; [in][logo]
> overlay=W-w-10:10:1[out]" -vcodec libx264 -acodec libmp3lame -b 1400k -b:a
> 192k outlogov1.avi
> For a transparent png, it works, but it doesn't for a bmp.
> Is there a way to do that? (as GIMP for instance)

What exactly do you mean by "doesn't work"? You should provide full
avconv output whenever you're asking for help with avconv.

Also note that if your avconv is new enough to contain the
-filter_complex option, then you should use that instead of the movie

Anton Khirnov

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