Error: Unable to initialize the video properties
VideoReaderでmp4を読み込もうとしたら発生
VideoReader Error: Unable to initialize the video properties on Debian 10 - MATLAB Answers - MATLAB Central
GStreamerの使い方 - 入門編
$ sudo apt install gstreamer1.0-plugins-base gstreamer1.0-plugins-good gstreamer1.0-libav
（gstreamer1.0-libavだけでも動くが一応）
さらにエラーが出る場合
code:log
(MATLAB:121455): GStreamer-WARNING **: 19:24:38.912: Failed to load plugin '/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstlibav.so': /usr/local/MATLAB/R2023b/bin/glnxa64/../../sys/os/glnxa64/libstdc++.so.6: version `GLIBCXX_3.4.29' not found (required by /lib/x86_64-linux-gnu/librubberband.so.2)