New answers tagged quicktime
You will have to re-encode or use a tool to change your h264 level, f.e. this one http://coolsoft.altervista.org/en/h264leveleditor but its windows only, there might also be a Mac tool that does the same. Your video is encoded with High Profile Level 4.1. iOS only support Level 3.1 and probably the same with QuickTime on Yosemite.
Top 50 recent answers are included