REGISTER_FILTER (AFORMAT, aformat, af);
REGISTER_FILTER (AMERGE, amerge, af);
REGISTER_FILTER (AMIX, amix, af);
REGISTER_FILTER (ANULL, anull, af);
REGISTER_FILTER (ARESAMPLE, aresample, af);
REGISTER_FILTER (ASETNSAMPLES, asetnsamples, af);
REGISTER_FILTER (AFORMAT, aformat, af);
REGISTER_FILTER (AMERGE, amerge, af);
REGISTER_FILTER (AMIX, amix, af);
REGISTER_FILTER (ANULL, anull, af);
REGISTER_FILTER (ARESAMPLE, aresample, af);
REGISTER_FILTER (ASETNSAMPLES, asetnsamples, af);