&#62; <i>H.264 is not proprietary</i><p>Yes it is. It is owned by a consortium, and that consortium wants money off me if I write and distribute software (my own software, that I have written, for fucks sake, not their software that they have written) that implements it.<p>&#62; <i>The terms are not onerous</i><p>The license terms are incompatible with free software. That makes them onerous.