R32.3.1 tx2-4g nvoverlaysink image does not show up on the HDMI only on my mipi DSI screen

Robotics & Edge Computing Jetson & Embedded Systems Jetson TX2
1

I am using nvoverlaysink to display video without borders and control

xrandr --output HDMI-0 --same-as DSI-0

I have my mipi DSI display as the primary screen and I have the HDMI mirroring the main display,

the nvoverlaysink does not show up on the mirror, looks like it is bypassing the xwindows.

I need to remotely access my device and if the video is not on the xwindows will it be in the remote access

if I use xvimagesink the video shows up on both displays, but I can’t figure out how to control it’s size, and location, and remove the borders and controls.

looks like render-rectangle is not working to place the window on the display, the width and height appears to work.

Help please
Terry

2

nvoverlaysink doesn’t go through X, it is overlaid.
So you may have to use second nvoverlaysink ajdjusting display-id property for the second display.

3

@Honey_Patouceul explain why the mirror does not see what is displayed on the primary display

Terry

4

As you know that nvoverlaysink bypasses X, you would understand that mirroring with X would not help.

X mirroring mirrors the X display, but nvoverlaysink overlays onto a local display. For mirroring with nvoverlaysink, you would use tee in gstreamer pipeline and have each nvoverlaysink setting its display-id (such as 0,1).

6

Thank Honey Patouceul’s clear explanation.

8

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