Add prerequisites.
See
@@ -6,6 +6,16 @@ See:
https://coaxion.net/blog/2018/01/how-to-write-gstreamer-elements-in-rust-part-1-a-video-filter-for-converting-rgb-to-grayscale/
https://coaxion.net/blog/2018/02/how-to-write-gstreamer-elements-in-rust-part-2-a-raw-audio-sine-wave-source/
+Before cargo build install:
+
+```
+$ apt-get install libgstreamer1.0-dev libgstreamer-plugins-base1.0-dev \
+ gstreamer1.0-plugins-base gstreamer1.0-plugins-good \
+ gstreamer1.0-plugins-bad gstreamer1.0-plugins-ugly \
+ gstreamer1.0-libav libgstrtspserver-1.0-dev
+```
+
+
Test
-------
