Overlaying an image on a live stream

kususe kususe at interfree.it
Fri Mar 16 05:00:54 PDT 2012

Ok, thanks. 
But it still doesn't work. I tried to change the video format too. 
I made:

gst-launch filesrc location=video.webm ! \ matroskademux ! queue
name=queuev ! vp8dec ! video/x-matroska, \ framerate=\(fraction\)10/1,
width=200, height=100 ! videomixer \ name=mix !  ffmpegcolorspace !
autovideosink filesrc \ location=geo.png ! pngdec ! image/png, width=50,
\ height=50 ! imagefreeze !  mix.
ATTENZIONE: pipeline errata: impossibile collegare vp8dec0 a mix.
(impossible to link vp8dec0 to mix.)


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