Frei0r perspective filter usage

[josvanr]

Hello!

I'm trying to de-perspective the images from my webcam with the frei0r
perspective filter. I'm 
trying this:

gst-launch -v v4l2src device=/dev/webcam1 !
video/x-raw-yuv,width=1600,height=1200 !  ffmpegcolorspace ! 
frei0r-filter-perspective, top-left-X=0, top-left-Y=0, top-right-X=0.1,
top-right-Y=0.1, bottom-left-X=0.2, bottom-left-Y=1, bottom-right-X=0.8,
bottom-right-Y=1 ! ffmpegcolorspace ! xvimagesink

There are no error massages, but there doesn't seem to be any perspectiving
going on. I'm not 
sure this is the way to invoke the filter. How do I find out how to do that?
I can remember 
looking at the sources a couple of years ago and thats how i came up with
these parameters. 
But not sure if this is correct.....

Jos





--
View this message in context: http://gstreamer-devel.966125.n4.nabble.com/Frei0r-perspective-filter-usage-tp4681681.html
Sent from the GStreamer-devel mailing list archive at Nabble.com.