2012/4/17 Tom Evans <tevans.uk at googlemail.com>: >> $ grep _ff_af audio_frame_queue.c > tom at ethan '17:14:15' '~/projects/ffmpeg/ffmpeg/libavcodec' >> $ > > > Check your sources. You missed the point that leading underscore is not in sources. It 'appears' at linkage. -- Andrey Utkin