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().
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.

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Detailed Description

Definition at line 28 of file acelp_filters.h.

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Field Documentation

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)

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

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().

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

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

• libavcodec/acelp_filters.h