FFmpeg
Data Fields
ACELPFContext Struct Reference

#include <acelp_filters.h>

Data Fields

void(*  acelp_interpolatef )(float *out, const float *in, const float *filter_coeffs, int precision, int frac_pos, int filter_length, int length)
  Floating point version of ff_acelp_interpolate() More...
 
void(*  acelp_apply_order_2_transfer_function )(float *out, const float *in, const float zero_coeffs[2], const float pole_coeffs[2], float gain, float mem[2], int n)
  Apply an order 2 rational transfer function in-place. More...
 

Detailed Description

Definition at line 28 of file acelp_filters.h.

Field Documentation

void(* ACELPFContext::acelp_interpolatef)(float *out, const float *in, const float *filter_coeffs, int precision, int frac_pos, int filter_length, int length)

Floating point version of ff_acelp_interpolate()

Definition at line 32 of file acelp_filters.h.

Referenced by decode_pitch_vector(), ff_acelp_filter_init(), and ff_acelp_filter_init_mips().

void(* ACELPFContext::acelp_apply_order_2_transfer_function)(float *out, const float *in, const float zero_coeffs[2], const float pole_coeffs[2], float gain, float mem[2], int n)

Apply an order 2 rational transfer function in-place.

Parameters
out output buffer for filtered speech samples
in input buffer containing speech data (may be the same as out)
zero_coeffs z^-1 and z^-2 coefficients of the numerator
pole_coeffs z^-1 and z^-2 coefficients of the denominator
gain scale factor for final output
mem intermediate values used by filter (should be 0 initially)
n number of samples (should be a multiple of eight)

Definition at line 47 of file acelp_filters.h.

Referenced by amrnb_decode_frame(), amrwb_decode_frame(), ff_acelp_filter_init(), and ff_acelp_filter_init_mips().


The documentation for this struct was generated from the following file:

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