int ff_decode_sbr_extension(AACContext *ac, SpectralBandReplication *sbr, GetBitContext *gb_host, int crc, int cnt, int id_aac)
Decode Spectral Band Replication extension data; reference: table 4.55.
void ff_sbr_apply(AACContext *ac, SpectralBandReplication *sbr, int id_aac, float *L, float *R)
Apply one SBR element to one AAC element.
aacsbr functions pointers