There are hundreds of audio and video codecs available and in use, today, most available free, while some cost. Most of the Media Players we install will also install the required Codecs; and yet ...
Fortunately, Compressor can access QuickTime plug-ins such as the x264Encoder plug-in that you can download at MyCometG3. Note that the developer of the site, Takashi Mochizuki, discontinued ...
Mozilla, Opera (and Google) aren't the only ones supporting the open-sourced VP8 video codec in their browsers. Microsoft is going to do the same, as well, according to my tipsters. Update: It seems ...