GStreamer 必須環境 Debian/Jessie 以上 準備 sudo apt-get install gstreamer \ gstreamer1.0-tools \ gstreamer1.0-alsa \ gstreamer1.0-clutter \ gstreamer1.0-libav \ gstreamer1.0-libav-dbg \ gstreamer1.0-nice \ gstreamer1.0-plugins-bad \ gstrea…