installed 1.22.2 gst-inspect-1.0 can not find va on Ubuntu

[cfd new]

 This is Ubuntu 22.04.

    On Thursday, May 4, 2023, 02:28:25 p.m. EDT, cfd new via gstreamer-devel <gstreamer-devel at lists.freedesktop.org> wrote:  
 
 Hi, Guys,
    I installed gstreamer 1.22.2 under /opt/gstreamer and set env variablesexport LD_LIBRARY_PATH=/opt/gstreamer/lib:$LD_LIBRARY_PATH 
export PATH=/opt/gstreamer/bin:$PATH
the output of /opt/gstreamer/bin/gst-inspect-1.0 va returns 0 featuresIt can not find plugins.I tried to set 
export GST_PLUGIN_PATH=/opt/gstreamer/lib/gsteamer-1.0No help. What is wrong?
   Joe
   
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