我运行了命令。我有一个在 arm64 上运行的 ubuntu 18，外接显示器连接到 nvidia jetson xavier。
gst-launch-1.0 videotestsrc ! videoconvert ! autovideosink
然而它没有做任何事情。它也不播放任何视频。终端返回以下行
Setting pipeline to PAUSED ...
Pipeline is PREROLLING ...
Pipeline is PREROLLED ...
Setting pipeline to PLAYING ...
New clock: GstSystemClock