*/
void ff_eac3_decode_transform_coeffs_aht_ch(AC3DecodeContext *s, int ch);
-void ff_ac3_downmix_c(float (*samples)[256], float (*matrix)[2],
- int out_ch, int in_ch, int len);
-
/**
* Apply spectral extension to each channel by copying lower frequency
* coefficients to higher frequency bins and applying side information to