Support for H.264 Lands in Firefox Nightlies
Mozilla recently had to renegue on their stance again H.264 for web video and included it in the mobile Firefox version. Now it has come to Firefox for desktops as well.
avc
HEVC Draft Released; Twice as Efficient as H.264
MPEG (Moving Picture Experts Group) has been working on a new video format that supersedes H.264 / AVC (Advanced Video Coding) and allows for twice the efficiency.