tree 39d76943dc23724b6e2ff7b6118ebede5b77534e
parent f105b28e94c50802cab61ec4cdf4986e9dd3c097
author Robert Shih <robertshih@google.com> 1429919813 -0700
committer Robert Shih <robertshih@google.com> 1430267060 -0700

MatroskaExtractor: skip track when codec id is NULL in addTracks

This is a more thorough version of commit
ea9ac8bf7f6a7ae1424c6cade64b004caa7c3681
in that it applies to both video and audio.

Bug: 17702053
Bug: 18872598
Change-Id: Idcea77bb7133ea0d02da8c484b4a0791db42740e