?错误：
global /home/nvidia/host/build_opencv/nv_opencv/modules/videoio/src/cap_gstr
JETSON: cap_streamer.cpp () handleMessage OpenCV | GStreamer warning: Embedded video playback halted
?解决方法：
sudo add-apt-repository universe
sudo add-apt-repository multiverse
sudo apt-get update
sudo apt-get install gstreamer1.0-tools gstreamer1.0-alsa gstreamer1.0-plugins-base gstreamer1.0-plugins-good gstreamer1.0-plugins-bad gstreamer1.0-plugins-ugly gstreamer1.0-libav
sudo apt-get install libgstreamer1.0-dev libgstreamer-plugins-base1.0-dev libgstreamer-plugins-good1.0-dev libgstreamer-plugins-bad1.0-dev 测试：
gst-inspect-1.0 --version
?