> Now the next problem is A-V sync. A-V sync is lost when the audio filters > are in use.... For example with: > > Building audio filter chain for 44100Hz/2ch/16bit -> 22050Hz/2ch/16bit... > > plays the video at 1/2 the speed, while This was apparently a bug in the ao_sun.c audio output driver. It didn't set ao_data.bps ...