Raspberry Pi - VC4 + Cluttersink + 5" inch HDMI display

Nicolas Dufresne nicolas at ndufresne.ca
Sun Aug 27 14:24:51 UTC 2017

Le samedi 26 août 2017 à 14:03 -0700, horai a écrit :
> Hello, 
> I would like to kindly ask for a help or if you could redirect me to more
> suitable channel for a help, I just managed to run Gstreamer application
> streaming a over UDP sinking to cluttersink (Raspberry Pi Zero + Raspbian
> Stretch, VC4 OpenGL driver, X11, clutterautovideosink), video is being
> transmitted and shown on desktop but I have very weird vertical stripes with
> totally mismatched colors. I also tried this example
> https://github.com/GNOME/clutter-gst/blob/master/examples/video-sink.c just
> to verify thatI did not make any mistake, it's the same. I installed all the
> Gstreamer packages packages related clutter-gst, also tried switching off
> VC4 driver to proprietary, tried running application on bare Xinit, applied
> GST_DEBUG with no errors. Could it be related to this?
> https://bugs.launchpad.net/ubuntu/+source/clutter-gst-3.0/+bug/1712986

This is hard to say without seeing the result, and that would imply
that you are running Gnome 3.26, which is not yet released. It is more
likely the you have hit a bug in VC4 driver instead. You should
probably test with glimagesink to confirm it's GL and not something
specific to Clutter/GOGL, and then report to the RPi project.

> Thank you
> Best regards,
> Ivo
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