On 10/09/2014 05:33 PM, ProgAndy wrote: > You'll need at least gst-libav and gst-plugins-good for h.264. > > MSE and "MSE & WebM VP9" can be enabled in about:config > (media.mediasource.enabled) > http://www.ghacks.net/2014/05/10/enable-media-source-extensions-firefox/ Ok thanks.