[FFmpeg-user] Could ffmpeg mask a transparent background video to a common video?

Carl Eugen Hoyos cehoyos at ag.or.at
Mon Jun 1 10:20:23 CEST 2015

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Nemo <377307289 <at> qq.com> writes:

> Transparent background video means video with alpha channel.
> I wish to do this with command line.

Are you searching for the overlay filter?

Carl Eugen

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