there are many solutions for rotation, one can use GPU or IPU to rotate the display, for GPU, one can use xrandr, for IPU, one can refer to the code as below:
https://github.com/rogeriorps/ipu-examples
one also can use gstreamer to rotate the video, just add rotation parameter in the command.
Hi,Joan
I can refer the ipu-examples,but I cannot build the examples correctly,there are many many errors.
anyone else knows?