我正在尝试使用 Gstreamer 在 Raspberry Pi 3 上接收视频流。我已经安装了大部分与 Gstreamer-1.0 相关的库。我知道我对 vainfo 有疑问，因为它本身也会返回错误。我收到此错误：
pi@gunpi:~/gunshow/New $ gst-launch-1.0 udpsrc port=5001 ! application/x-rtp, payload=96 ! rtpjitterbuffer ! rtph264depay ! avdec_h264 ! fpsdisplaysink sync=false text-overlay=false
Setting pipeline to PAUSED ...
libva info: VA-API version 0.36.0
libva info: va_getDriverName() returns -1
libva error: va_getDriverName() failed with unknown libva error,driver_name=(null)
libva info: VA-API version 0.36.0
libva info: va_getDriverName() returns -1
libva error: va_getDriverName() failed with unknown libva error,driver_name=(null)
libva info: VA-API version 0.36.0
libva info: va_getDriverName() returns -1
libva error: va_getDriverName() failed with unknown libva error,driver_name=(null)
libva info: VA-API version 0.36.0
libva info: va_getDriverName() returns -1
libva error: va_getDriverName() failed with unknown libva error,driver_name=(null)
libva info: VA-API version 0.36.0
libva info: va_getDriverName() returns -1
libva error: va_getDriverName() failed with unknown libva error,driver_name=(null)
libva info: VA-API version 0.36.0
libva info: va_getDriverName() returns -1
libva error: va_getDriverName() failed with unknown libva error,driver_name=(null)
Pipeline is live and does not need PREROLL ...
Got context from element 'fps-display-video_sink-actual-sink-glimage': gst.gl.GLDisplay=context, gst.gl.GLDisplay=(GstGLDisplay)"\(GstGLDisplayEGL\)\ gldisplayegl0";
Setting pipeline to PLAYING ...
New clock: GstSystemClock
^Chandling interrupt.
Interrupt: Stopping pipeline ...
Execution ended after 0:00:12.802582180
Setting pipeline to PAUSED ...
Setting pipeline to READY ...
Setting pipeline to NULL ...
Freeing pipeline ...
我真的不知道是什么导致了问题，也许我没有正确设置显示？
在运行最终将实现视频流的项目时，我也收到此错误：
Cant find EGLConfig, returning null config
Unable to find an X11 visual which matches EGL config 0
Could not initialize OpenGL for RasterGLSurface, reverting to RasterSurface.
它可能并不真正相关，但也可以解决这个问题。我已经用 apt-get 安装了 QtCreator，所以它可能没有正确配置。我可以在不必自己构建 Qt 的情况下解决这个问题吗？因为我无法为 RPi 3 正确配置它。
提前致谢