The order affects the output. Even though XML does not care about the
order of subelements, it makes more sense for BaseURL element to appear
above SegmentBase.
Change-Id: Idd1e73446be84640828358ef4d7a74688428f6b5
Added functions to add MediaInfo::ContentProtectionXml to
RepresentationBaseXmlNode. This allows adding ContentProtection elements
using MediaInfo protobuf.
Change-Id: I46aa97ba8cbf1548388ebbb61ac163786dfa0be8
Work on some TODOs.
Mandatory mimeType field was missing from Representation.
All duration in the MPD is now float.
Change-Id: I85b8511bc1c43759d80f831bee371c398895cf39