Tom Finegan 9a235e0bc9 mkvmuxer: Set doctype to matroska when muxing non-WebM codecs.
Also, add some constants for WebVTT codec ID strings so they
won't cause doctype to incorrectly change to matroska.

Change-Id: I4740a3e45b28a22e462601b9ce051aa01817dace
2016-04-28 08:44:14 -07:00
..
2016-01-11 18:46:55 -08:00
2016-01-11 18:46:55 -08:00