ref: ecd34e6494599fb44ccc1f68a7c4ee988bc0307c
dir: /third_party/libwebm/README.libvpx/
URL: https://chromium.googlesource.com/webm/libwebm Version: 2dec09426ab62b794464cc9971bd135b4d313e65 License: BSD License File: LICENSE.txt Description: libwebm is used to handle WebM container I/O.