On Wed, 14 Apr 2010 10:31:36 -0500 Rolf Ernst <rolf.ernst at silverlightning.org> wrote: > One is covered by some sort of proprietary license (faac) whereas faad > is open source (AFAIK). ffaac is not faac. ffaac is ffmpeg/libavcodec's clean reimplementation of a AAC, under LGPL. ffaac is being used to decode aac audio, which faac cannot do. -- Ha. I'm the idiot.