[FFmpeg-user] Stream a video with a watermark or image over it

Carl Eugen Hoyos cehoyos at ag.or.at
Wed Dec 12 21:49:16 CET 2012

dj_def <at> webmail.it <dj_def <at> webmail.it> writes:

> sudo ffmpeg -i input_video -i input_image -filter_complex "overlay=0:0"
> -f avi pipe:1 | sudo ffmpeg -i pipe:0 http://localhost:9090/feed0.ffm

I believe it was always good practice here to suggest 
users should never run ffmpeg as sudo, it should be not 
needed and is highly discouraged.
(Does avi really work via pipe?)

Carl Eugen

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