Please help with this color space problem <

[Nicolas Dufresne]

Can you explain how is those two pipelines linked together ? In what I
read, you have /dev/video2 use as sink and src at the same time, are
you using some loopback driver ? If so, are you sure this isn't a
problem with format reporting from this driver ?

Nicolas

p.s. out of tree v4l2loopback driver is racy

Le mercredi 13 janvier 2016 à 12:58 -0800, chmario a écrit :
> I have the following pipe built in C++
> 
> gst-launch-1.0 v4l2src device=/dev/video2 ! video/x-raw ! queue ! 
> videoconvert ! identity ! video/x-raw,format=RGB !  videoconvert !
> autovideosink
> 
> I am processing the image on the handoff signal of  the identity
> element , I
> need it to be in RGB format that is why I have <<video/x-
> raw,format=RGB ! 
> videoconvert >>
> 
> If a use a normal web cam everything works fine but if I  use the
> feed from
> this pipe 
> gst-launch-1.0 -v filesrc location=test.avi ! decodebin
> !  videoconvert !
> videorate !  video/x-raw,format=YUY2,framerate=25/2 !   v4l2sink
> device=/dev/video2 
> 
> The image displayed in the autovideosink in is the wrong color. 
> 
> I dont want to change the second pipe just the the first.
> 
> Can some one point me in the write direction ? 
> 
> 
> 
> 
> 
> -----
> MChC
> --
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