https://github.com/webmproject/libvpx/releases/tag/v1.7.0
https://github.com/swh/ladspa/releases/tag/v0.4.17, plugin.org.uk
https://archive.mozilla.org/pub/opus/opus-1.3.tar.gz
+https://github.com/webmproject/libwebp = libwebp-1.0.2
+https://github.com/mozilla/aom = libaom-v1.0.0