Running gst-launch-1.0 from serial console

[Michael Gruner]

You may try to set the display. Something like 

DISPLAY=:0 gst-launch-1.0 -v v4l2src device=/dev/video0  !
> 
> 'video/x-raw,framerate=(fraction)50/1,format=RGB' ! videoconvert !
> xvimagesink

The :0 part may vary, but that’s typically the default value. Of course you can export it to make it last for the entire session.

Michael
www.ridgerun.com

> On Apr 24, 2019, at 1:38 PM, Ranran <ranshalit at gmail.com> wrote:
> 
> Hello,
> 
> We need to start gstreamer from serial console , and see the video on
> the display output (regular hdmi interface).
> 
> But trying:
> gst-launch-1.0 -v v4l2src device=/dev/video0  !
> 'video/x-raw,framerate=(fraction)50/1,format=RGB' ! videoconvert !
> xvimagesink
> 
> results in: "could not open display".
> 
> The same command works very well when we run it from the GUI by
> opening a terminal.
> 
> How should we run gstreamer to make it work ?
> 
> Thank you,
> ranran
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