G722Context::G722Context::G722Band Struct Reference

The band[0] and band[1] correspond respectively to the lower band and higher band. More...

#include <g722.h>

Data Fields
int16_t	s_predictor
	predictor output value
int32_t	s_zero
	previous output signal from zero predictor
int8_t	part_reconst_mem [2]
	signs of previous partially reconstructed signals
int16_t	prev_qtzd_reconst
	previous quantized reconstructed signal (internal value, using low_inv_quant4)
int16_t	pole_mem [2]
	second-order pole section coefficient buffer
int32_t	diff_mem [6]
	quantizer difference signal memory
int16_t	zero_mem [6]
	Seventh-order zero section coefficient buffer.
int16_t	log_factor
	delayed 2-logarithmic quantizer factor
int16_t	scale_factor
	delayed quantizer scale factor

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Detailed Description

The band[0] and band[1] correspond respectively to the lower band and higher band.

Definition at line 43 of file g722.h.

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Field Documentation

int32_t G722Context::G722Context::G722Band::diff_mem[6]

quantizer difference signal memory

Definition at line 49 of file g722.h.

int16_t G722Context::G722Context::G722Band::log_factor

delayed 2-logarithmic quantizer factor

Definition at line 51 of file g722.h.

int8_t G722Context::G722Context::G722Band::part_reconst_mem[2]

signs of previous partially reconstructed signals

Definition at line 46 of file g722.h.

int16_t G722Context::G722Context::G722Band::pole_mem[2]

second-order pole section coefficient buffer

Definition at line 48 of file g722.h.

int16_t G722Context::G722Context::G722Band::prev_qtzd_reconst

previous quantized reconstructed signal (internal value, using low_inv_quant4)

Definition at line 47 of file g722.h.

int16_t G722Context::G722Context::G722Band::s_predictor

predictor output value

Definition at line 44 of file g722.h.

Referenced by g722_decode_frame().

int32_t G722Context::G722Context::G722Band::s_zero

previous output signal from zero predictor

Definition at line 45 of file g722.h.

int16_t G722Context::G722Context::G722Band::scale_factor

delayed quantizer scale factor

Definition at line 52 of file g722.h.

Referenced by g722_decode_frame(), g722_decode_init(), and g722_encode_init().

int16_t G722Context::G722Context::G722Band::zero_mem[6]

Seventh-order zero section coefficient buffer.

Definition at line 50 of file g722.h.

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

• libavcodec/g722.h