void(* sum64x5)(float *z)
float(* sum_square)(float(*x)[2], int n)
void(* qmf_deint_neg)(float *v, const float *src)
void(* qmf_deint_bfly)(float *v, const float *src0, const float *src1)
void(* hf_apply_noise[4])(float(*Y)[2], const float *s_m, const float *q_filt, int noise, int kx, int m_max)
void(* neg_odd_64)(float *x)
static int noise(AVBitStreamFilterContext *bsfc, AVCodecContext *avctx, const char *args, uint8_t **poutbuf, int *poutbuf_size, const uint8_t *buf, int buf_size, int keyframe)
void(* qmf_post_shuffle)(float W[32][2], const float *z)
void(* autocorrelate)(const float x[40][2], float phi[3][2][2])
void(* qmf_pre_shuffle)(float *z)
void(* hf_gen)(float(*X_high)[2], const float(*X_low)[2], const float alpha0[2], const float alpha1[2], float bw, int start, int end)
void(* hf_g_filt)(float(*Y)[2], const float(*X_high)[40][2], const float *g_filt, int m_max, intptr_t ixh)