docutils libass celt ladspa_sdk opencore-amr opus speex json-c pulseaudio twolame decklink-sdk OpenAL frei0r gsm lame libavc1394 jdk apache-ant graphviz libbluray libdc1394 libiec61883 libilbc libmodplug libvpx rtmpdump orc schroedinger x264 x265 xvidcore ffmpeg