I'm still bummed that DarkShikari's blog is defunct. He's the lead x264 developer and x264 is one of the best H.264 encoders. The Internet Archive has a good copy though. <a href="https://web.archive.org/web/20141103202912/http://x264dev.multimedia.cx:80/archives/472" rel="nofollow">https://web.archive.org/web/20141103202912/http://x264dev.mu...</a>