Jetson NX GStreamer problem, about textoverlay

gst-launch-1.0 videotestsrc ! textoverlay text=“123” ! nvvidconv ! nvv4l2h264enc ! h264parse ! qtmux ! filesink location=1.mp4 -e
I am using such a GSteamer command, but the steamer is not running, I don’t know why, can anyone explain

It may be an issue with textoverlay trying to output into NVMM memory. You may try to force its output caps to system memory:

gst-launch-1.0 videotestsrc ! textoverlay text="123" ! video/x-raw ! nvvidconv ! nvv4l2h264enc ! h264parse ! qtmux ! queue ! filesink location=test.mp4 sync=1 -e
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I tried your method, but it didn’t work. The pipe still didn’t flow, and the recorded file was empty.

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