ref: c8167f5ba7168d8a384eade87841be90ba3b43d2
dir: /third_party/libwebm/README.webm/
URL: https://chromium.googlesource.com/webm/libwebm Version: a7118d8ec564e9db841da1eb01f547f3229f240a License: BSD License File: LICENSE.txt Description: libwebm is used to handle WebM container I/O.