<div dir="ltr"><div class="gmail_extra"><div class="gmail_extra">Graeme, all browsers (except opera mini) support h.264 now:</div><div class="gmail_extra"><br></div><div class="gmail_extra"><a href="http://caniuse.com/#feat=mpeg4">http://caniuse.com/#feat=mpeg4</a><br></div><div class="gmail_extra"><br></div><div class="gmail_extra">See also OpenH264 <a href="https://en.wikipedia.org/wiki/OpenH264">https://en.wikipedia.org/wiki/OpenH264</a></div><div class="gmail_extra"><br></div><div class="gmail_extra">Regarding other video formats, Vorbis, WebM, VP8 have much less support:</div><div class="gmail_extra"><br></div><div class="gmail_extra"><a href="http://caniuse.com/#feat=webm">http://caniuse.com/#feat=webm</a><br></div><div class="gmail_extra"><a href="http://caniuse.com/#feat=ogv">http://caniuse.com/#feat=ogv</a><br></div><div class="gmail_extra"><a href="http://caniuse.com/#search=vp8">http://caniuse.com/#search=vp8</a><br></div></div></div>