ff_sbr_apply 2788 libavcodec/aacdec.c ff_sbr_apply(ac, &che->sbr, type, che->ch[0].ret, che->ch[1].ret); ff_sbr_apply 46 libavcodec/aacsbr.h void ff_sbr_apply(AACContext *ac, SpectralBandReplication *sbr, int id_aac,