REGISTER_FILTER (AMERGE, amerge, af);
REGISTER_FILTER (AMIX, amix, af);
REGISTER_FILTER (ANULL, anull, af);
+ REGISTER_FILTER (APAD, apad, af);
REGISTER_FILTER (ARESAMPLE, aresample, af);
+ REGISTER_FILTER (ASELECT, aselect, af);
REGISTER_FILTER (ASENDCMD, asendcmd, af);
REGISTER_FILTER (ASETNSAMPLES, asetnsamples, af);
REGISTER_FILTER (ASETPTS, asetpts, af);